CN113293775B - Fertilizer groove backfill water conservancy diversion is with removing dust frock of preventing - Google Patents
Fertilizer groove backfill water conservancy diversion is with removing dust frock of preventing Download PDFInfo
- Publication number
- CN113293775B CN113293775B CN202110672448.8A CN202110672448A CN113293775B CN 113293775 B CN113293775 B CN 113293775B CN 202110672448 A CN202110672448 A CN 202110672448A CN 113293775 B CN113293775 B CN 113293775B
- Authority
- CN
- China
- Prior art keywords
- baffle
- top surface
- box body
- movable box
- backfill
- Prior art date
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 29
- 239000000428 dust Substances 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 22
- 239000004744 fabric Substances 0.000 claims abstract description 14
- 238000005507 spraying Methods 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 12
- 239000002689 soil Substances 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 20
- 230000006378 damage Effects 0.000 description 7
- 239000011241 protective layer Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/18—Making embankments, e.g. dikes, dams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/06—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against corrosion by soil or water
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention relates to the technical field of earth backfilling; the movable dust-proof tool is used for backfilling the fertilizer groove of the outer wall of the basement; the movable box is characterized by comprising a movable box body with an inclined surface, a top baffle, a bottom baffle, a spraying device, shielding cloth and a supporting device, wherein one side of the top baffle is hinged with the top of the top surface; the shielding cloth, the top baffle plate and the top surface form a guide groove. According to the invention, the guide groove is used for effectively avoiding the situation that backfill is prevented from splashing around in the process of backfilling earthwork; the spraying device is arranged to further treat dust caused by the use process, so that the pollution to the environment is reduced; the bottom baffle is arranged, so that the backfill soil is effectively prevented from damaging the waterproof protection layer and the waterproof layer of the basement outer wall.
Description
Technical Field
The invention relates to the technical field of earthwork backfilling engineering, in particular to a movable dust-proof tool for a fertilizer groove backfilling guide flow.
Background
In the earthwork backfilling operation of the fertilizer slot, because the fertilizer slot is narrower, the common backfilling mode is to firstly dump backfilling soil to a certain position nearby by using a dregs car, and then to use the excavator and the bulldozer to carry out the cooperation backfilling. Therefore, the secondary transportation efficiency is low, and dust pollution can be caused. The other backfilling mode is to directly tilt the waste soil truck into the fertilizer tank, so that the efficiency is improved, but because the fertilizer tank is very narrow, the waste soil is easy to scatter on the top plate of the basement, and more serious dust pollution can be caused. And the backfill is directly poured, so that the backfill has strong kinetic energy and can pull and crack the waterproof protection layer and the waterproof layer of the basement outer wall.
Disclosure of Invention
The invention aims to solve the technical problem of providing a movable dust-proof tool for backfilling and guiding a fertilizer tank, which can effectively avoid the damage of a waterproof protection layer and a waterproof layer; reducing pollution to the environment.
The invention solves the technical problems by adopting the following solution:
The utility model provides a fertilizer groove backfill water conservancy diversion is with removing dust frock that prevents for backfill to the fertilizer groove of basement outer wall; the movable box comprises a movable box body with an inclined surface, a top baffle, a bottom baffle, a spraying device, shielding cloth and a supporting device, wherein one side of the top baffle is hinged with the top of the top surface; the shielding cloth, the top baffle plate and the top surface form a guide groove.
When the device is used, the top baffle is supported by the supporting device, an included angle is formed between the top baffle and the top surface, the shielding cloth, the top baffle and the top surface form a guide groove, and then the bottom baffle is placed in the fertilizer groove; when backfilling is carried out, the transported backfill is poured into the guide groove, and the top surface of the movable box body is an inclined surface, so that the backfill poured into the guide groove slides into the fertilizer groove along the inclined surface, thereby effectively avoiding that part of the backfill directly impacts the waterproof protection layer of the basement outer wall when directly poured into the fertilizer groove, further avoiding the damage of the waterproof protection layer and avoiding the waterproof damage after the waterproof protection layer is damaged;
When the device is used, the included angle between the bottom baffle and the horizontal plane can be adjusted according to the width of the fertilizer groove, so that backfill which slides out of the guide groove is further guided, the lift of the backfill is increased, and the phenomenon that the backfill touches the waterproof protective layer of the basement outer wall in the falling process is avoided; avoiding damaging the outer wall of the basement.
In some possible embodiments, in order to effectively realize the adjustment of the angle between the bottom baffle and the horizontal direction according to the width and the depth of the fertilizer slot; the device also comprises an angle adjusting mechanism which is arranged on the movable box body and used for adjusting the included angle between the bottom baffle and the horizontal direction.
In some possible embodiments, the adjustment of the bottom baffle to the horizontal plane angle is to be achieved effectively; the angle adjusting mechanism comprises a steel wire rope connected with one side, far away from the top surface, of the bottom baffle, a guide wheel arranged on the side surface of the movable box body, and a winch; the steel wire rope, the guide wheel and the winch are in transmission connection.
In some possible embodiments, in order to effectively treat the raise dust in the backfilling process, the pollution to the environment is avoided; the spraying device comprises a water tank arranged in the movable box body, a spray head arranged on one side of the top baffle, far away from the top surface, and a water pump, wherein one end of the water pump is communicated with the water tank, and the other end of the water pump is communicated with the spray head through a hose.
In some possible embodiments, to make the support for the top baffle more stable; the supporting devices are arranged in two groups and are arranged in parallel; in some possible embodiments, for efficient support and later stowing of the top baffle; the supporting device comprises a first supporting rod, one end of which is hinged with the top surface, a second supporting rod, one end of which is clamped with the first supporting rod, and the other end of which is hinged with the top baffle;
The shielding cloth is unfolded through clamping connection of the first support rod and the second support rod, and the top surface and the top baffle are combined; thus forming a semi-closed guide groove, and effectively avoiding flying dust;
when supporting the top baffle, the one end that top surface was kept away from to branch one end and branch two kept away from the mutual joint of top baffle, and perpendicular with the horizontal direction.
In some possible embodiments, to avoid hard contact of the bottom baffle with the basement exterior wall during use, the waterproof protective layer and the waterproof layer are broken; and a rubber pad is arranged on one side of the bottom baffle close to the basement outer wall.
In some possible embodiments, to make the angular adjustment to the bottom baffle more stable; the angle adjusting mechanisms are two groups and are symmetrically arranged on two sides of the movable box body.
In some possible embodiments, the top baffle conforms to the dimensions of the top surface.
In some possible embodiments, the bottom of the mobile case is provided with universal wheels.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the top baffle, the inclined top surface and the shielding cloth are mutually matched to form the guide groove for guiding backfill soil and avoiding flying dust, and the guide groove can effectively avoid the limit of the backfill soil from splashing around in the process of backfilling earthwork;
according to the invention, the spraying device is arranged, so that dust caused by the use process is further treated, and the pollution to the environment is reduced;
The invention effectively avoids the destruction of backfill to the waterproof protection layer and the waterproof layer of the basement outer wall by arranging the bottom baffle;
The invention has simple structure, strong practicability and convenient storage.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a schematic side view of the invention after deployment;
FIG. 3 is a schematic view of the structure of the present invention;
FIG. 4 is a schematic elevational view of the present invention;
FIG. 5 is a practical status diagram of the present invention;
Wherein: 1. moving the box body; 2. a top baffle; 3. a bottom baffle; 31. a rubber pad; 4. a support device; 411. a first supporting rod; 421. a second supporting rod; 42. a shielding cloth; 5. a guide groove; 6. an angle adjusting mechanism; 61. a wire rope; 62. a guide wheel; 63. a winch; 7. a spraying device; 71. a water tank; 72. a hose; 73. a spray head.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, are intended to fall within the scope of the present invention. Accordingly, the detailed description of the embodiments of the invention provided below is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention.
In the description of the present invention, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.
In the drawings of the present invention, it should be understood that different technical features which are not mutually substituted are shown in the same drawings only for the convenience of simplifying the description of the drawings and reducing the number of the drawings, and not to indicate or imply that the embodiments described with reference to the drawings contain all the technical features in the drawings, and thus should not be construed as limiting the invention.
In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. Reference to "first," "second," and similar terms herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present application, "and/or" describes the association relationship of the association object, which means that there may be three relationships, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" means two or more. For example, a plurality of positioning posts refers to two or more positioning posts. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
The present invention will be described in detail below.
As shown in fig. 1-5;
the utility model provides a fertilizer groove backfill water conservancy diversion is with removing dust frock that prevents for backfill to the fertilizer groove of basement outer wall; the movable box body 1 with the inclined surface on the top surface, a top baffle plate 2 with one side hinged with the top of the top surface, a bottom baffle plate 3 with one side hinged with the top surface far away from the top baffle plate 2, a spraying device 7 arranged on the movable box body 1, shielding cloths 42 symmetrically arranged and respectively connected with two sides of the top baffle plate 2 and the top surface, and a supporting device 4 arranged on the top surface and used for supporting the top baffle plate 2; the shielding cloth 42, the top baffle plate 2 and the top surface form a guide groove 5.
Preferably, the movable box body 1 is in a triangular prism structure, and universal wheels are arranged at the bottom of the movable box body and are used for realizing movement.
When the device is used, the top baffle plate 2 is supported by the supporting device 4, the shielding cloth 42 is unfolded to form the guide groove 5, and then the bottom baffle plate 3 is placed in the fertilizer groove; when backfilling is carried out, the transported backfill is poured into the guide groove 5, and the top surface of the movable box body 1 is an inclined surface, so that the backfill poured into the guide groove 5 slides into the fertilizer groove along the inclined surface, thereby effectively avoiding that part of the backfill directly impacts the waterproof protection layer of the basement outer wall when directly poured into the fertilizer groove, further avoiding the damage of the waterproof protection layer and avoiding the waterproof damage after the waterproof protection layer is damaged;
When the device is used, the included angle between the bottom baffle plate 3 and the horizontal plane can be adjusted according to the width of the fertilizer groove, so that backfill which slides out of the guide groove 5 is further guided, the lift of the backfill is increased, and the phenomenon that the backfill touches the waterproof protective layer of the basement outer wall in the falling process is avoided; avoiding damaging the outer wall of the basement.
In some possible embodiments, in order to effectively realize the adjustment of the angle between the bottom baffle plate 3 and the horizontal direction according to the width and the depth of the fertilizer slot; the device also comprises an angle adjusting mechanism 6 which is arranged on the movable box body 1 and is used for adjusting the included angle between the bottom baffle 3 and the horizontal direction.
In some possible embodiments, the adjustment of the bottom baffle 3 to the horizontal plane angle is made in order to be effective; the angle adjusting mechanism 6 comprises a steel wire rope 61 connected with one side of the bottom baffle 3 far away from the top surface, a guide wheel 62 arranged on the side surface of the movable box body 1, and a winch 63; the steel wire rope 61, the guide wheel 62 and the winch 63 are in transmission connection.
Preferably, as shown in fig. 2, the number of the guide wheels 62 is two, the steel wire rope 61 is stretched by rotating the winch 63, the included angle between the bottom baffle 3 and the top surface is adjusted, in the angle adjustment process, a pin can be inserted into the inner disc of the winch 63, so that the steel wire rope 61 is fixed, and the angle between the bottom baffle 3 and the top surface is fixed;
preferably, the top baffle 2 is sized to conform to the top surface; when in use, the top baffle plate 2 is perpendicular to the top surface; this allows the bottom baffle 3 to be adjustable at an angle of 225 deg.;
In the use process, when the fertilizer groove is deeper and wider, the angle of the bottom baffle plate 3 is adjusted to be 10-30 degrees with the basement outer wall, so that the lift of backfill can be increased, and the condition that the backfill is contacted with the basement outer wall waterproof protection layer in the falling process is avoided.
When the fertilizer groove is shallower and narrower, the angle of the bottom baffle plate 3 is adjusted to be 0-10 degrees with the basement outer wall, and the basement outer wall waterproof protection layer is protected in a short distance. After the use is completed, the winch 63 is rotated, the angle between the bottom baffle 3 and the upper steel plate of the triangular prism is adjusted to be 0 degrees, and the storage is completed.
In some possible embodiments, in order to effectively treat the raise dust in the backfilling process, the pollution to the environment is avoided; the spraying device 7 comprises a water tank 71 arranged in the movable box body 1, a spray head 73 arranged on one side of the top baffle plate 2 far away from the top surface, and a water pump, one end of which is communicated with the water tank 71, and the other end of which is communicated with the spray head 73 through a hose 72.
In use, water in the water tank 71 is supplied to the spray head 73 by the water pump, thereby realizing the control of dust.
Preferably, the spray head 73 is an atomizer spray head.
In some possible embodiments, in order to make the support for the top baffle 2 more stable; the supporting devices 4 are arranged in two groups and are arranged in parallel;
In some possible embodiments, for efficient support and later stowing of the top baffle 2; the supporting device 4 comprises a first supporting rod 411, a second supporting rod 421, one end of which is hinged with the top surface, one end of which is clamped with the first supporting rod 411, and the other end of which is hinged with the top baffle 2;
preferably, a clamping groove is formed at one end, close to each other, of the first support rod 411 and the second support rod 421, and connection of the first support rod and the second support rod is achieved through clamping;
When the top baffle 2 is supported, one end of the first strut 411 away from the top surface is clamped with one end of the second strut 421 away from the top baffle 2, and is perpendicular to the horizontal direction.
A shielding cloth 42 is arranged between the top baffle 2 and the movable box body 1, and after the top baffle 2 is pulled up, the shielding cloth 42 is unfolded to form a semi-closed space with the top surface and the top baffle 2, so that dust emission is prevented from leaking to the greatest extent.
The top baffle 2 is provided with an atomizing nozzle, and when the atomizing nozzle is opened during working, the dust emission is further reduced. Preferably, an angle control device is arranged between the top baffle plate 2 and the top surface; when in use, the angle control device is used for fixing the included angle A formed between the top baffle plate 2 and the top surface, and the angle can be adjusted to be 0-90 degrees.
Preferably, in use, the top baffle 2 forms an angle a with the top surface, a=90°.
Preferably, the top baffle 2 is provided with a second storage groove of a second supporting rod 421; a first storage groove 411 is formed in the top surface;
As shown in fig. 3, when the bottom baffle 3 is stored after the use, the bottom baffle 3 is positioned above the top surface by the angle adjusting mechanism 6; then the first support rod 411 and the second support rod 421 are separated, the first support rod 411 is placed in the first storage groove, the second support rod 421 is placed in the second storage groove, and the top baffle 2 is controlled to move to one side close to the top surface so as to be abutted with the bottom baffle 3 on the top surface, so that storage is completed;
In some possible embodiments, in order to avoid hard contact of the bottom baffle 3 with the basement outer wall during use, damaging the waterproof protection layer and the waterproof layer; and a rubber pad 31 is arranged on one side of the bottom baffle 3 close to the basement outer wall.
The rubber pad 31 is arranged on one side of the bottom baffle 3, which is close to the basement outer wall, so that the bottom baffle 3 can not directly collide with the basement outer wall waterproof protection layer under the action of external force, and the damage of the waterproof protection layer and the waterproof layer caused by collision is effectively avoided;
In some possible embodiments, in order to make the angular adjustment to the bottom shutter 3 more stable; the angle adjusting mechanisms 6 are two groups and are symmetrically arranged on two sides of the movable box body 1.
In some possible embodiments, the top baffle 2 conforms to the dimensions of the top surface.
The size of the top baffle 2 is consistent with the size of the top surface, when the included angle A formed by the top baffle 2 and the top surface is 90 degrees, the first supporting rod 411 and the second supporting rod 421 are perpendicular to the horizontal plane, and support one side of the top baffle 2 away from the hinge point of the top baffle 2 and the top surface.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
Claims (3)
1. The utility model provides a fertilizer groove backfill water conservancy diversion is with removing dust frock that prevents for backfill to the fertilizer groove of basement outer wall; the device is characterized by comprising a movable box body with an inclined surface, a top baffle with one side hinged with the top of the top surface, a bottom baffle with one side hinged with one side of the top surface far away from the top baffle, a spraying device arranged on the movable box body, shielding cloth symmetrically arranged and respectively connected with two sides of the top baffle and the top surface, a supporting device arranged on the top surface and used for supporting the top baffle, and an angle adjusting mechanism arranged on the movable box body and used for adjusting an included angle between the bottom baffle and the horizontal direction; the shielding cloth, the top baffle plate and the top surface form a guide groove;
The angle adjusting mechanism comprises a steel wire rope connected with one side, far away from the top surface, of the bottom baffle, a guide wheel arranged on the side surface of the movable box body, and a winch; the steel wire rope, the guide wheel and the winch are in transmission connection; the spraying device comprises a water tank arranged in the movable box body, a spray head arranged on one side of the top baffle plate far away from the top surface, and a water pump, wherein one end of the water pump is communicated with the water tank, and the other end of the water pump is communicated with the spray head through a hose; the supporting devices are arranged in two groups and are arranged in parallel; the supporting device comprises a first supporting rod, one end of which is hinged with the top surface, a second supporting rod, one end of which is clamped with the first supporting rod, and the other end of which is hinged with the top baffle;
When the top baffle is supported, one end of the first supporting rod far away from the top surface is clamped with one end of the second supporting rod far away from the top baffle, and is vertical to the horizontal direction; a rubber pad is arranged on one side of the bottom baffle close to the basement outer wall; the angle adjusting mechanisms are two groups and are symmetrically arranged on two sides of the movable box body.
2. The mobile dust-proof tooling for a fertilizer tank backfill guide of claim 1, wherein the top baffle is of the same size as the top surface.
3. The movable dust-proof tool for backfilling and guiding of a fertilizer tank according to claim 2, wherein universal wheels are arranged at the bottom of the movable box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110672448.8A CN113293775B (en) | 2021-06-17 | 2021-06-17 | Fertilizer groove backfill water conservancy diversion is with removing dust frock of preventing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110672448.8A CN113293775B (en) | 2021-06-17 | 2021-06-17 | Fertilizer groove backfill water conservancy diversion is with removing dust frock of preventing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113293775A CN113293775A (en) | 2021-08-24 |
| CN113293775B true CN113293775B (en) | 2024-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110672448.8A Active CN113293775B (en) | 2021-06-17 | 2021-06-17 | Fertilizer groove backfill water conservancy diversion is with removing dust frock of preventing |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217231873U (en) * | 2021-06-17 | 2022-08-19 | 中国五冶集团有限公司 | Fertile groove is backfilled and is led stream and prevent raise dust frock with removing |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1703023B1 (en) * | 2005-03-18 | 2011-06-22 | BAUER Maschinen GmbH | Slit wall digging device with direction control system |
| KR20130005556A (en) * | 2011-07-06 | 2013-01-16 | 김영호 | Buckling restrained earth anchor bracket for angle control |
| CN108771937A (en) * | 2018-08-31 | 2018-11-09 | 江苏金贸科技发展有限公司 | A kind of device for reducing dust of civil construction |
| CN211559957U (en) * | 2019-12-12 | 2020-09-25 | 苏州安捷信环境技术工程有限公司 | Automatic dust removal building structure |
| KR102264422B1 (en) * | 2021-03-09 | 2021-06-14 | 주식회사 케이씨티이엔씨 | Double-spraying dust reduction apparatus of scattered dust location tracking type and reducing method for scattered dust using the same |
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- 2021-06-17 CN CN202110672448.8A patent/CN113293775B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217231873U (en) * | 2021-06-17 | 2022-08-19 | 中国五冶集团有限公司 | Fertile groove is backfilled and is led stream and prevent raise dust frock with removing |
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