CN119022099A

CN119022099A - A backflow prevention flow water distribution device for intelligently detecting and controlling fluid flow direction

Info

Publication number: CN119022099A
Application number: CN202411512033.4A
Authority: CN
Inventors: 唐胜甫; 张浩为; 张万锦; 陈健; 王涨炎; 张维思
Original assignee: Zhejiang Yushun Meter Co ltd
Current assignee: Zhejiang Yushun Meter Co ltd
Priority date: 2024-10-28
Filing date: 2024-10-28
Publication date: 2024-11-26

Abstract

The present application discloses a water distribution device technical field, specifically a backflow prevention flow water distribution device for intelligently detecting and controlling the flow direction of a fluid, comprising a flow regulating valve body, a backflow prevention mechanism and a filtering mechanism, wherein the flow regulating valve body is provided with an electrically connected PLC controller, one end of the flow regulating valve body is connected to a second mounting tube, and the other end is connected to a first connecting pipe, and a group of first valve seats are provided in the flow regulating valve body; the backflow prevention mechanism is arranged in the flow regulating valve body; the filtering mechanism is arranged on the second mounting tube, and the present application has the beneficial effects of: helping to prevent backflow of the water distribution device, when the pressure downhole is too high during water injection at the wellhead of an oil field, being able to close the flow regulating valve body in time, so as to prevent backflow of the water distribution device, and at the same time effectively preventing mud and stones in sewage from being stuck between the first valve seat and the one-way valve plate at the outlet end, and avoiding blockage of the pipeline.

Description

Backflow-preventing flow water distribution device capable of intelligently detecting and controlling flow direction of fluid

Technical Field

The application relates to the technical field of water distribution devices, in particular to an anti-backflow flow water distribution device capable of intelligently detecting and controlling the flow direction of fluid.

Background

The flow water distribution device is an electromechanical integrated high-tech product, a flow collecting meter, an intelligent control system, an actuating mechanism, a flow regulating valve and a pressure monitoring system are integrated, a desired flow value is set at will in the range of the device, the control system and the actuating mechanism automatically complete the adjustment of the flow by comparing the detected deviation of the signal and a set value, the flow in the pipeline is always kept at the set value, the accuracy of the flow is ensured, the water distribution device for water injection at the oilfield wellhead can realize the effective distribution and management of water so as to facilitate water injection at the oilfield wellhead, the oilfield wellhead water distribution device can be used for accurately distributing the water injection to each wellhead, and the efficient and stable water injection operation is ensured, thereby improving the recovery ratio of the oilfield;

The oil field well head water injection is probably because the pressure is too high in the pit, has the water injection backward flow phenomenon, and can carry mud and stone in the sewage of backward flow, and current water distribution device is usually through setting up the check valve and avoid sewage backward flow, however mud and stone in the sewage can cause the jam of pipeline, and mud and little stone can clamp on the sealed pair of check valve, appear sewage leakage backward flow phenomenon.

Therefore, we propose a backflow-preventing flow water distribution device for intelligently detecting and controlling the flow direction of fluid.

Disclosure of Invention

The present application has been made in view of the above and/or problems associated with an existing anti-reflux flow water distribution device for intelligently detecting and controlling the flow direction of a fluid.

Therefore, the application aims to provide the backflow-preventing flow water distribution device for intelligently detecting and controlling the flow direction of the fluid, and the problems that the mud and the stones in the sewage can cause the blockage of a pipeline and the mud and the stones possibly clamp on a sealing pair of a one-way valve to cause the backflow phenomenon of the sewage can be solved by improving the existing water distribution device.

In order to solve the technical problems, according to one aspect of the present application, the following technical solutions are provided:

The utility model provides an intelligent detection, control fluid flow direction's anti-return flow water distribution device, includes flow control valve main part, anti-return mechanism and filtering mechanism, be equipped with the PLC controller that is connected mutually on the flow control valve main part, flow control valve main part one end is equipped with the water inlet, and the other end is equipped with the delivery port, flow control valve main part one end intercommunication has a second installation section of thick bamboo, and the other end intercommunication has first connecting pipe, be equipped with a set of first disk seat in the flow control valve main part;

the backflow prevention mechanism is arranged in the flow regulating valve body and comprises a group of one-way valve plates for preventing mud or small stones from being attached to the first valve seat so as to generate sewage leakage backflow phenomenon;

The filter mechanism is arranged on the second mounting cylinder, and the filter mechanism comprises a filter screen for filtering stones in sewage and preventing the stones from being blocked.

As a preferable scheme of the backflow-preventing flow water distribution device for intelligently detecting and controlling the flow direction of fluid, the application comprises the following steps: the backflow prevention mechanism further includes:

The device comprises a group of mounting seats, a group of first springs, a first communication pipe, a communication cylinder, a second communication pipe, a second sewage discharge pipe, a second valve seat, a second spring and a valve plug; the mounting seats are respectively and fixedly arranged on the inner wall of the flow regulating valve main body, one end of the first spring is fixedly connected with the mounting seat, the other end of the first spring is fixedly connected with the one-way valve plate, the one-way valve plate is disc-shaped, the mounting seat is annular, and the diameter of the one-way valve plate is larger than the diameter of the inner ring of the mounting seat;

The utility model discloses a flow control valve, including a set of one-way valve plate, a first valve seat, a second spring, a valve plug, a second valve seat, a valve plug, a sealing washer, a second communicating pipe, a first valve seat, a second spring, a valve plug, a second valve seat, a valve plug and a valve plug.

As a preferable scheme of the backflow-preventing flow water distribution device for intelligently detecting and controlling the flow direction of fluid, the application comprises the following steps: the automatic flow control device is characterized in that a buzzer alarm is arranged on the flow control valve main body, the buzzer alarm is electrically connected with the PLC, a water inlet and a water outlet at two ends of the flow control valve main body are respectively provided with a fixed ring, one side, close to the flow control valve main body, of the second mounting cylinder is provided with a second connecting ring, and the flow control valve main body is connected with the second mounting cylinder through the fixed rings and the second connecting rings.

As a preferable scheme of the backflow-preventing flow water distribution device for intelligently detecting and controlling the flow direction of fluid, the application comprises the following steps: the filter mechanism further comprises:

The first blow-down pipe, first automatically controlled valve and second automatically controlled valve, first blow-down pipe sets up the below at the second installation section of thick bamboo perpendicularly, first blow-down pipe is linked together with the second installation section of thick bamboo, first automatically controlled valve and second automatically controlled valve set gradually on first blow-down pipe, just the PLC controller is connected with first automatically controlled valve and second automatically controlled valve electricity respectively.

As a preferable scheme of the backflow-preventing flow water distribution device for intelligently detecting and controlling the flow direction of fluid, the application comprises the following steps: install first arc on the second installation section of thick bamboo, first arc is close to flow control valve main part one end and is equipped with the second water gauge, the second water gauge runs through upper surface and the lower surface of corresponding position on the first arc, be connected between PLC controller and the second water gauge, the water inlet intercommunication of flow control valve main part has a first installation section of thick bamboo, be equipped with the connecting block on the first installation section of thick bamboo, the mid-mounting of connecting block one end has the flowmeter, the flowmeter runs through upper surface and the lower surface of corresponding position on the connecting block, be connected between PLC controller and the flowmeter, the mid-mounting that the connecting block kept away from flowmeter one end has first water gauge, upper surface and the lower surface of corresponding position on the connecting block are run through to first water gauge, be connected electrically between PLC controller and the first water gauge.

As a preferable scheme of the backflow-preventing flow water distribution device for intelligently detecting and controlling the flow direction of fluid, the application comprises the following steps: the outside of first arc is equipped with the second and seals up the pad, the assorted opening has been seted up to the second on the second installation section of thick bamboo that corresponds to seal up, fixedly connected with connecting cylinder on the first arc, the filter screen sets up the one end that is close to the second water pressure gauge at the connecting cylinder, first arc top is equipped with the second arc, be equipped with spacing pad between first arc and the second arc.

As a preferable scheme of the backflow-preventing flow water distribution device for intelligently detecting and controlling the flow direction of fluid, the application comprises the following steps: the one end that second go up the second installation section of thick bamboo and keep away from the second go up fixedly connected with a set of fixed plate of second installation section of thick bamboo, a set of the last fixedly connected with mounting panel of second arc, a set of the mounting panel corresponds the setting with a set of fixed plate respectively, just a plurality of bolt mounting holes have all been seted up on mounting panel and the fixed plate, a plurality of all be equipped with the second bolt in the bolt mounting hole.

As a preferable scheme of the backflow-preventing flow water distribution device for intelligently detecting and controlling the flow direction of fluid, the application comprises the following steps: the one end fixedly connected with first fixed disk that first installation section of thick bamboo is close to the flow control valve main part, the one end fixedly connected with first connecting pipe that first fixed disk is close to the flow control valve main part, the one end fixedly connected with first go-between that first connecting pipe is close to the flow control valve main part, first connecting pipe passes through first go-between and solid fixed ring bolt installation, a set of gu fixed ring all is equipped with the sealing ring between with first go-between and the second go-between respectively.

As a preferable scheme of the backflow-preventing flow water distribution device for intelligently detecting and controlling the flow direction of fluid, the application comprises the following steps: an opening matched with the connecting block is formed in the first mounting cylinder, a first sealing gasket is attached to the inner wall of the opening in the first mounting cylinder, a group of fixing blocks are arranged on the first mounting cylinder, a group of mounting blocks are arranged on the connecting block, threaded jacks are formed in positions, corresponding to the fixing blocks, of the mounting blocks, be equipped with first bolt in the screw jack, the one side coaxial fixedly connected with second fixed disk of first fixed disk is kept away from to first mounting cylinder, the one end intercommunication that first mounting cylinder was kept away from to the second fixed disk has the second connecting pipe, the one end coaxial fixedly connected with first collar of second fixed disk is kept away from to the second connecting pipe.

Compared with the prior art, the application has the following beneficial effects:

1. In the application, when the wellhead of the oil field is filled with water and the underground pressure is too high, the flowmeter transmits the detected data information to the PLC when the flow data information detected by the flowmeter is negative, the PLC controls the filtering mechanism to make corresponding instructions, so that the pipeline blockage caused by mud and stones in the sewage is avoided, and the flow regulating valve body has a backflow preventing effect through a unidirectional passing structure of a group of unidirectional valve plates.

2. According to the application, stone particles in sewage are filtered and blocked through the filter screen, so that the particles are prevented from entering the main body of the flow regulating valve, large-particle-size stones filtered and reserved by the filter screen fall into the first sewage discharge pipe under the action of gravity, when the pressure information transmitted to the PLC by the second water pressure gauge is lower than a preset value, the PLC controls the buzzer alarm to work, reminds a worker to replace the filter screen, simultaneously, the PLC closes the first electric control valve, simultaneously opens the second electric control valve, discharges the large-particle-size stones entering the first sewage discharge pipe, and is automatically reset after the discharge is completed, so that the operation is simple and convenient.

3. When the water is injected into an oil well, the water pressure extrusion valve plug plugs the second communicating pipe, after the second communicating pipe is completely sealed, a group of one-way valve plates in the flow regulating valve body are sequentially opened, water flows to the water outlet, when the pressure in the pit is too high, reverse sewage backflushing is performed, impurities are clamped between the first valve seat at the water outlet end and the one-way valve plates, as the backflushing pressure is greater than the pressure at the water inlet end, the valve plug is separated from the second communicating pipe, the second blow-off pipe is communicated with the second communicating pipe, blow-off is started, the one-way valve plates close to the water inlet end automatically close, when the water pressure at the water inlet end is greater than the reverse backflushing pressure, the blow-off outlet is slowly closed to stop blow-off, the one-way valve plates are opened, the injected clean water continues to flow to the water outlet end, the water pressure reduces the water pressure of the one-way valve plates close to the water inlet end, the one-way valve plates close to the water in the middle of the blow-off valve is automatically opened, and the one-way valve plates close to the rear end automatically prevent the sewage at the rear end from flowing backwards.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an anti-backflow flow water distribution device for intelligently detecting and controlling the flow direction of fluid according to an embodiment of the present application;

FIG. 2 is a front view of an anti-backflow flow water distribution device for intelligently detecting and controlling the flow direction of fluid according to an embodiment of the present application;

FIG. 3 is a schematic view of the internal structure of FIG. 2;

FIG. 4 is an enlarged schematic view of portion A in FIG. 3;

FIG. 5 is an enlarged schematic view of portion B in FIG. 3;

FIG. 6 is a schematic view of a filter screen and second mounting cylinder mounting structure of the present application;

FIG. 7 is a schematic view of a second mounting cylinder according to the present application;

FIG. 8 is a schematic view of a first mounting cylinder of the present application;

FIG. 9 is a schematic diagram of the installation structure of the pressure gauge and the connecting block of the present application.

In the figure: 1. a flow rate regulating valve body; 2. a PLC controller; 3. a buzzer alarm; 4. a fixing ring; 5. a seal ring; 6. a first connection ring; 7. a second connecting ring; 8. a first connection pipe; 9. a second connection pipe; 10. a first fixed plate; 11. a second fixed disk; 12. a first mounting cylinder; 13. a second mounting cylinder; 14. a first mounting ring; 15. a second mounting ring; 16. a first gasket; 17. a second gasket; 18. a fixed block; 19. a mounting block; 20. a fixing plate; 21. a mounting plate; 22. a first bolt; 23. a second bolt; 24. a connecting block; 25. a first arcuate plate; 26. a second arcuate plate; 27. a flow meter; 28. a first water pressure gauge; 29. a second water pressure gauge; 30. a limit pad; 31. a connecting cylinder; 32. a filter screen; 33. a first drain pipe; 34. a first electrically controlled valve; 35. a second electrically controlled valve; 36. a first valve seat; 37. a mounting base; 38. a first spring; 39. a one-way valve plate; 40. a first communication pipe; 41. a communicating tube; 42. a second communicating pipe; 43. a second drain pipe; 44. a second valve seat; 45. a second spring; 46. and (5) plugging a valve.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

The application provides an intelligent detection and control backflow-preventing flow water distribution device, which is beneficial to backflow prevention, when the pressure in the pit is too high during water injection at the wellhead of an oil field, a flow regulating valve main body can be closed timely, and a filter screen can filter and block stone particles in water passing through a connecting cylinder so as to prevent the particles from entering the flow regulating valve main body;

Referring to fig. 1 to 9, a backflow-preventing flow water distribution device for intelligently detecting and controlling fluid flow direction includes: the flow control valve comprises a flow control valve body 1, a backflow prevention mechanism and a filtering mechanism, wherein a PLC (programmable logic controller) 2 which is electrically connected is arranged on the flow control valve body 1, a water inlet is arranged at one end of the flow control valve body 1, a water outlet is arranged at the other end of the flow control valve body, a second mounting cylinder 13 is communicated with one end of the flow control valve body 1, a first connecting pipe 8 is communicated with the other end of the flow control valve body, and a group of first valve seats 36 are arranged in the flow control valve body 1; the backflow prevention mechanism is arranged in the flow regulating valve body 1 and comprises a group of one-way valve plates 39 for preventing mud or small stones from adhering to the first valve seat 36, so that sewage leakage backflow phenomenon occurs; the filtering mechanism is arranged on the second mounting cylinder 13 and comprises a filter screen 32 for filtering stone in the sewage to prevent blockage;

The first arc-shaped plate 25 is arranged on the second mounting cylinder 13, a second water pressure gauge 29 is arranged at one end, close to the flow regulating valve main body 1, of the first arc-shaped plate 25, the second water pressure gauge 29 penetrates through the upper surface and the lower surface of the corresponding position on the first arc-shaped plate 25, the PLC controller 2 is electrically connected with the second water pressure gauge 29, the water inlet of the flow regulating valve main body 1 is communicated with the first mounting cylinder 12, a connecting block 24 is arranged on the first mounting cylinder 12, a flowmeter 27 is arranged at the middle part of one end of the connecting block 24, the PLC controller 2 is electrically connected with the flowmeter 27, a first water pressure gauge 28 is arranged at the middle part, far away from one end of the flowmeter 27, of the connecting block 24, and the PLC controller 2 is electrically connected with the first water pressure gauge 28;

The water inlet and the water outlet of the flow regulating valve main body 1 are respectively communicated with the pipeline, when the flow data information detected by the flow meter 27 is negative, the flow meter 27 transmits the detected data information to the PLC controller 2, the PLC controller 2 receives the data information and then controls the filtering mechanism to give out corresponding instructions, so that the pipeline blockage caused by mud and stones in sewage is avoided, the flow regulating valve main body 1 is internally provided with a one-way passing structure through the one-way valve plate 39, the backflow preventing function is realized, and further, an electric push rod (without self-locking property) is arranged between the mounting seat 37 and the one-way valve plate 39, and the flow regulating valve is connected with the electric push rod through the PLC controller 2 in a circuit manner to control the opening and closing of the one-way valve plate 39.

Referring to fig. 3 and 4, the backflow prevention mechanism further includes: a set of mounting seats 37, a set of first springs 38, a first communication pipe 40, a communication cylinder 41, a second communication pipe 42, a second sewage drain pipe 43, a second valve seat 44, a second spring 45 and a valve plug 46; a group of mounting seats 37 are respectively and fixedly arranged on the inner wall of the flow regulating valve main body 1, one end of a first spring 38 is fixedly connected with the mounting seats 37, the other end is fixedly connected with a one-way valve plate 39, the one-way valve plate 39 is disc-shaped, the mounting seat 37 is annular, and the diameter of the one-way valve plate 39 is larger than the diameter of the inner ring of the mounting seat 37;

One end of the communication cylinder 41 is communicated with the water inlet of the flow regulating valve main body 1 through the first communication pipe 40, the other end of the communication cylinder is communicated with the flow regulating valve main body 1 through the second communication pipe 42, the second communication pipe 42 is positioned between a group of one-way valve plates 39, a second valve seat 44 is fixedly arranged in the communication cylinder 41, one end of a second spring 45 is fixedly connected with the second valve seat 44, the other end of the second spring is fixedly connected with a valve plug 46, the valve plug 46 is slidably connected with the second valve seat 44, a sealing ring is arranged at one end, close to the second communication pipe 42, of the valve plug 46, the second communication pipe 42 is vertically arranged at the bottom of the communication cylinder 41, and the second communication pipe 42 is communicated with the communication cylinder 41;

When the oil well is filled with water, the water entering through the water inlet flows into the first communicating pipe 40, the water pressure extrusion valve plug 46 plugs the second communicating pipe 42, after the second communicating pipe 42 is completely sealed, a group of one-way valve plates 39 in the flow regulating valve main body 1 are sequentially opened, the water flows to the water outlet, when the pressure in the well is too high, reverse sewage backflushes, and impurities are clamped between the first valve seat 36 and the one-way valve plates 39 at the water outlet end, and because the backflushing pressure is larger than the pressure at the water inlet end, the valve plug 46 is separated from the second communicating pipe 42, the second sewage draining pipe 43 is communicated with the second communicating pipe 42, sewage is drained, and the one-way valve plates 39 close to the water inlet end are automatically closed;

When the water pressure at the water inlet end is greater than the reverse recoil water pressure, the sewage outlet is slowly closed to stop sewage discharge, the one-way valve plate 39 is opened, the injected clean water continues to circulate to the water outlet end, the water pressure flushes sundries between the first valve seat 36 at the water outlet end and the one-way valve plate 39 into the second mounting cylinder 13, when the water inlet end stops water, the water pressure is reduced, the one-way valve plate 39 close to the water inlet is automatically closed, the sewage outlet is automatically opened to discharge water in the middle of the valve, the one-way valve plate 39 at the rear end is also automatically closed, and the sewage at the rear end is prevented from flowing backwards.

Referring to fig. 2 and 7, the filtering mechanism further includes: the first blow-down pipe 33, the first electric control valve 34 and the second electric control valve 35, the first blow-down pipe 33 is vertically arranged below the second mounting cylinder 13, the first blow-down pipe 33 is communicated with the second mounting cylinder 13, the first electric control valve 34 and the second electric control valve 35 are sequentially arranged on the first blow-down pipe 33, and the PLC 2 is respectively and electrically connected with the first electric control valve 34 and the second electric control valve 35; the flow control valve comprises a flow control valve main body 1, a buzzer alarm 3, a fixed ring 4, a second connecting ring 7, a first connecting ring 7, a second connecting ring 7 and a first connecting ring 13, wherein the buzzer alarm 3 is electrically connected with a PLC (programmable logic controller) 2;

The setting like this filters the stone granule thing in to sewage through filter screen 32 to prevent that the granule from getting into in the flow control valve main part 1, the big particle diameter stone that filter screen 32 strained stays falls in first blow off pipe 33 under the effect of gravity, when the pressure information of second water pressure gauge 29 transport to PLC controller department 2 is less than the default, PLC controller 2 control buzzer siren 3 work reminds the staff to change filter screen 32, closes first electrically controlled valve 34 through PLC controller 2 simultaneously, opens second electrically controlled valve 35 simultaneously, discharges the big particle diameter stone that will get into in the first blow off pipe 33, automatic re-setting after the discharge is accomplished, easy operation is convenient.

Referring to fig. 6 to 9, the flowmeter 27 penetrates through the upper surface and the lower surface of the corresponding position on the connection block 24, and the first water pressure gauge 28 penetrates through the upper surface and the lower surface of the corresponding position on the connection block 24;

When the flowmeter 27 and the first water pressure gauge 28 are required to be maintained or replaced, the first bolt 22 is rotated and removed, so that the first bolt 22 cancels the limitation of the mounting block 19 and the fixed block 18, the connecting block 24 is further moved upwards along the inner side of the first sealing gasket 16, so that the flowmeter 27 and the first water pressure gauge 28 are conveniently removed through the connecting block 24, the flowmeter 27 and the first water pressure gauge 28 are conveniently maintained or replaced, after the flowmeter 27 and the first water pressure gauge 28 are maintained or replaced, the connecting block 24 is reset to the inner side of the first sealing gasket 16, and further, the mounting block 19 and the fixed block 18 are mounted and limited through the first bolt 22;

Referring to fig. 6 to 9, a second sealing pad 17 is disposed on the outer side of the first arc plate 25, a matched opening is formed on the second mounting cylinder 13 corresponding to the second sealing pad 17, a connecting cylinder 31 is fixedly connected to the first arc plate 25, a filter screen 32 is disposed at one end of the connecting cylinder 31 close to the second water pressure gauge 29, a second arc plate 26 is disposed above the first arc plate 25, a limit pad 30 is disposed between the first arc plate 25 and the second arc plate 26, a second mounting ring 15 is disposed at one end of the second mounting cylinder 13 far away from the second connecting ring 7, a set of fixing plates 20 are fixedly connected to the second mounting cylinder 13, a set of mounting plates 21 are fixedly connected to the second arc plate 26, the set of mounting plates 21 are respectively disposed corresponding to the set of fixing plates 20, a plurality of bolt mounting holes are formed in the mounting plates 21 and the fixing plates 20, and a second bolt 23 is disposed in the plurality of bolt mounting holes;

The effect of setting like this is, when need maintain change or need clear up the particulate matter that filter screen 32 blockked to second water gauge 29, through rotating the removal to second bolt 23, make second bolt 23 cancel the spacing between mounting panel 21 and the fixed plate 20, further remove mounting panel 21 and second arc 26 upwards, can drive second water gauge 29 when mounting panel 21 and second arc 26 upwards remove, connecting cylinder 31 and filter screen 32 upwards, so that take off second water gauge 29, connecting cylinder 31 and filter screen 32, help maintaining change or clear up the particulate matter that filter screen 32 blockked to second water gauge 29, repair change is accomplished or clear up the particulate matter that filter screen 32 blockked to second water gauge 29, install and spacing between mounting panel 21 and fixed plate 20 through first arc 25 and second arc 26 with second water gauge 29, connecting cylinder 31 and filter screen 32 reset to second installation cylinder 13, further through second bolt 23.

Referring to fig. 6 to 9, a first fixing disc 10 is fixedly connected to one end of a first mounting cylinder 12, which is close to a flow regulating valve main body 1, a first connecting tube 8 is fixedly connected to one end of the first fixing disc 10, which is close to the flow regulating valve main body 1, a first connecting ring 6 is fixedly connected to one end of the first connecting tube 8, which is close to the flow regulating valve main body 1, the first connecting tube 8 is mounted through the first connecting ring 6 and a fixing ring 4 through bolts, a sealing ring 5 is respectively arranged between a group of fixing rings 4 and the first connecting ring 6 and the second connecting ring 7, an opening matched with a connecting block 24 is formed in the first mounting cylinder 12, a first sealing gasket 16 is attached to the inner wall of the opening in the first mounting cylinder 12, a group of fixing blocks 18 is arranged on the first mounting cylinder 12, a group of mounting blocks 19 is arranged on the connecting block 24, threaded jacks are respectively formed in positions corresponding to the fixing blocks 19, one side, which is far from the first fixing disc 10, of the first mounting cylinder 12 is coaxially and fixedly connected with a second fixing disc 11, a second fixing disc 11 is coaxially connected to one side, which is far from the first connecting tube 9 of the first fixing disc 12, and the second fixing disc 11 is far from the first connecting tube 9.

The working principle of the application is as follows: in the use process, the water inlet and the water outlet of the flow regulating valve main body 1 are respectively communicated with the pipeline, when the flow data information detected by the flow meter 27 is negative, the flow meter 27 transmits the detected data information to the PLC controller 2, the second water pressure meter 29 detects the water pressure of the water in the second mounting cylinder 13, the first water pressure meter 28 can detect the water pressure in the first mounting cylinder 12, the first water pressure meter 28 and the second water pressure meter 29 can transmit the detected water pressure data information to the PLC controller 2, and the PLC controller 2 controls the backflow prevention mechanism to give corresponding instructions after receiving the data information;

When the pressure in the well is too high, reverse sewage backflushes, and impurities are blocked between the first valve seat 36 at the water outlet end and the one-way valve plate 39, the backflushing pressure is greater than the pressure at the water inlet end, the valve plug 46 is separated from the second communicating pipe 42, the second sewage discharging pipe 43 is communicated with the second communicating pipe 42, sewage discharging is started, and the one-way valve plate 39 close to the water inlet end is automatically closed;

Although the application has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the application. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the application not be limited to the particular embodiment disclosed, but that the application will include all embodiments falling within the scope of the appended claims.

Claims

1. An anti-backflow flow water distribution device for intelligently detecting and controlling fluid flow direction, which is characterized by comprising: the flow control valve comprises a flow control valve body (1), a backflow prevention mechanism and a filtering mechanism, wherein a PLC (programmable logic controller) (2) which is electrically connected is arranged on the flow control valve body (1), a water inlet is arranged at one end of the flow control valve body (1), a water outlet is arranged at the other end of the flow control valve body, a second mounting cylinder (13) is communicated with one end of the flow control valve body (1), a first connecting pipe (8) is communicated with the other end of the flow control valve body, and a group of first valve seats (36) are arranged in the flow control valve body (1);

the backflow prevention mechanism is arranged in the flow control valve main body (1) and comprises a group of one-way valve plates (39) for preventing mud or small stones from being attached to the first valve seat (36) so as to generate a sewage leakage backflow phenomenon;

The filtering mechanism is arranged on the second mounting cylinder (13), and comprises a filter screen (32) for filtering stones in sewage and preventing blockage.

2. The backflow prevention water distribution device for intelligently detecting and controlling fluid flow according to claim 1, wherein the backflow prevention mechanism further comprises:

A group of mounting seats (37), a group of first springs (38), a first communication pipe (40), a communication cylinder (41), a second communication pipe (42), a second sewage draining pipe (43), a second valve seat (44), a second spring (45) and a valve plug (46); the one-way valve comprises a flow regulating valve body (1), a set of mounting seats (37), a first spring (38), a one-way valve plate (39), a second spring (38) and a valve plate (39), wherein the mounting seats (37) are respectively fixedly arranged on the inner wall of the flow regulating valve body (1), one end of the first spring (38) is fixedly connected with the mounting seats (37), the other end of the first spring is fixedly connected with the one-way valve plate (39), the one-way valve plate (39) is arranged to be disc-shaped, the mounting seats (37) are annular, and the diameter of the one-way valve plate (39) is larger than the diameter of an inner ring of the mounting seats (37);

The utility model discloses a flow control valve, including a flow control valve main part (1) and a valve seat, a flow control valve main part (1) is linked together through first communicating pipe (40) to intercommunication section of thick bamboo (41) one end, and the other end is linked together with flow control valve main part (1) through second communicating pipe (42), and second communicating pipe (42) are located between a set of check valve plate (39), second disk seat (44) are fixed to be set up in intercommunication section of thick bamboo (41), second spring (45) one end and second disk seat (44) fixed connection, and the other end and valve plug (46) fixed connection, valve plug (46) and second disk seat (44) sliding connection, just the one end that valve plug (46) is close to second communicating pipe (42) is equipped with the sealing washer, second communicating pipe (42) are vertical to be set up in intercommunication section of thick bamboo (41) bottom, second communicating pipe (42) are linked together with intercommunication section of thick bamboo (41).

3. The backflow-preventing flow water distribution device for intelligently detecting and controlling the flow direction of fluid according to claim 1, wherein a buzzer alarm (3) is installed on the flow control valve main body (1), the buzzer alarm (3) is electrically connected with the PLC (2), a water inlet and a water outlet at two ends of the flow control valve main body (1) are both provided with a fixed ring (4), one surface of the second installation cylinder (13) close to the flow control valve main body (1) is provided with a second connecting ring (7), and the flow control valve main body (1) is connected with the second installation cylinder (13) through the fixed ring (4) and the second connecting ring (7).

4. The backflow prevention water distribution device for intelligently detecting and controlling fluid flow according to claim 1, wherein said filtering mechanism further comprises:

The novel sewage treatment device comprises a first sewage treatment pipe (33), a first electric control valve (34) and a second electric control valve (35), wherein the first sewage treatment pipe (33) is vertically arranged below a second installation cylinder (13), the first sewage treatment pipe (33) is communicated with the second installation cylinder (13), the first electric control valve (34) and the second electric control valve (35) are sequentially arranged on the first sewage treatment pipe (33), and the PLC controller (2) is respectively electrically connected with the first electric control valve (34) and the second electric control valve (35).

5. The backflow-preventing flow water distribution device for intelligently detecting and controlling the flow direction of fluid according to claim 3 is characterized in that a first arc-shaped plate (25) is installed on the second installation cylinder (13), one end of the first arc-shaped plate (25) close to the flow regulating valve main body (1) is provided with a second water pressure meter (29), the second water pressure meter (29) penetrates through the upper surface and the lower surface of the corresponding position on the first arc-shaped plate (25), the PLC controller (2) is electrically connected with the second water pressure meter (29), a first installation cylinder (12) communicated with a water inlet of the flow regulating valve main body (1), a connecting block (24) is arranged on the first installation cylinder (12), a flowmeter (27) is installed in the middle of one end of the connecting block (24), the flowmeter (27) penetrates through the upper surface and the lower surface of the corresponding position on the connecting block (24), the PLC controller (2) is electrically connected with the flowmeter (27), a first water pressure meter (28) is installed in the middle of one end of the connecting block (24), and the upper surface of the first water pressure meter (28) is electrically connected with the lower surface of the PLC controller (28).

6. The backflow-preventing flow water distribution device for intelligent detection and fluid flow direction control according to claim 5, wherein a second sealing gasket (17) is arranged on the outer side of the first arc-shaped plate (25), a matched opening is formed in the second mounting cylinder (13) corresponding to the second sealing gasket (17), a connecting cylinder (31) is fixedly connected to the first arc-shaped plate (25), a filter screen (32) is arranged at one end, close to the second water pressure gauge (29), of the connecting cylinder (31), a second arc-shaped plate (26) is arranged above the first arc-shaped plate (25), and a limiting pad (30) is arranged between the first arc-shaped plate (25) and the second arc-shaped plate (26).

7. The backflow-preventing water distribution device for intelligently detecting and controlling the flow direction of fluid according to claim 6, wherein a second mounting ring (15) is arranged at one end, far away from the second connecting ring (7), of the second mounting cylinder (13), a group of fixing plates (20) are fixedly connected to the second mounting cylinder (13), a group of mounting plates (21) are fixedly connected to the second arc plates (26), the group of mounting plates (21) are respectively arranged corresponding to the group of fixing plates (20), a plurality of bolt mounting holes are formed in the mounting plates (21) and the fixing plates (20), and a second bolt (23) is arranged in each bolt mounting hole.

8. The backflow-preventing flow water distribution device for intelligently detecting and controlling the flow direction of fluid according to claim 7, wherein one end of the first mounting cylinder (12) close to the flow regulating valve main body (1) is fixedly connected with a first fixing disc (10), one end of the first fixing disc (10) close to the flow regulating valve main body (1) is fixedly connected with a first connecting pipe (8), one end of the first connecting pipe (8) close to the flow regulating valve main body (1) is fixedly connected with a first connecting ring (6), the first connecting pipe (8) is mounted through bolts of the first connecting ring (6) and the fixing ring (4), and sealing rings (5) are respectively arranged between the fixing ring (4) and the first connecting ring (6) and the second connecting ring (7).

9. The backflow-preventing flow water distribution device for intelligent detection and fluid flow direction control according to claim 7, wherein an opening matched with a connecting block (24) is formed in the first mounting cylinder (12), a first sealing gasket (16) is attached to the inner wall of the opening in the first mounting cylinder (12), a set of fixing blocks (18) are arranged on the first mounting cylinder (12), a set of mounting blocks (19) are arranged on the connecting block (24), threaded insertion holes are formed in positions, corresponding to the fixing blocks (18), of the mounting blocks (19), first bolts (22) are arranged in the threaded insertion holes, a second fixing disc (11) is fixedly connected to one side, away from the first fixing disc (10), of the first mounting cylinder (12), one end, away from the first mounting cylinder (12), of the second fixing disc (11) is communicated with a second connecting pipe (9), and one end, away from the second fixing disc (11), of the second connecting pipe (9) is fixedly connected with a first mounting ring (14) in a coaxial mode.