WO2016201665A1

WO2016201665A1 - Rotary drying device

Info

Publication number: WO2016201665A1
Application number: PCT/CN2015/081774
Authority: WO
Inventors: 张甘霖
Original assignee: 张甘霖
Priority date: 2015-06-18
Filing date: 2015-06-18
Publication date: 2016-12-22

Abstract

A rotary drying device comprises a coal crusher (1), a hoist (2), a high-pressure fan (3), a coal bunker (4), an electric coal feeding vibrator (5), a high-temperature boiling furnace (6), a feeding device (7), a combined material lifting device and X material lifting plate (8), a discharging reamer (9), a KSC air box pulse bag-type dust collector (10), and a dustproof fan (11). The coal crusher (1) is disposed on one side of the hoist (2), and a crushed coal bucket is disposed at an outlet of the coal crusher (1). The coal bunker (4) is disposed at one end of the high-temperature boiling furnace (6). The electric coal feeding vibrator (5) is disposed at one end of the coal bunker (4). The high-temperature boiling furnace (6) is disposed on one side of the combined material lifting device and X material lifting plate (8). The feeding device (7) is disposed at one end of the high-temperature boiling furnace (6). The high-pressure fan (3) is disposed at one end of the high-temperature boiling furnace (6). The discharging reamer (9) is disposed at one end of the KSC air box pulse bag-type dust collector (10). The dustproof fan (11) is disposed on one side of the KSC air box pulse bag-type dust collector (10). In the device, the material lifting plate has a high thermal efficiency, the rotating speed of a motor is proper, a dryer has a strong heat-dissipation capability, and the device is suitable for popularization and use.

Description

Rotary drying device

Technical field

The invention relates to the technical field of cement processing, in particular to a rotary drying device.

Background technique

The rotary dryer is a material heating and drying device. The material in the rotary cylinder of the coaxial casing is dried by the spiral blade and the intermittent spiral lifting plate during the process of folding back and lifting between the inner and outer cylinders. In recent years, many There are many vertical dryers in the cement plant, and the floor space is relatively small. Considering the main equipment, heating parts, hoists, insulation materials, etc., the actual investment is also quite large, which is roughly equivalent to the rotary dryer.

Comparative Patent 1: Chinese Patent No. CN101936646A describes a rotary dryer comprising a rotary cylinder for setting a flipper plate on the inner wall of the rotary cylinder, along the axial direction of the rotary cylinder, and the flapping plate is spaced apart; To the high-pressure intake pipe in the rotary cylinder, a plurality of air outlets are opened along the axial direction of the intake pipe on the pipe wall of the intake pipe, and each air outlet is located between the flip plates adjacent to the axis of the rotary drum; the axis of each air outlet It has a certain angle with the radial direction of the rotary cylinder, but in the application, the drying effect is poor, the failure rate is high, and the actual operation rate is low. Specifically, the combustion process is backward in these aspects, the thermal efficiency of the lifting plate is poor, and the motor rotation speed is poor. The drying capacity of the dryer is poor, and the environmental pollution is serious. Many problems have seriously hindered the development of the cement industry and caused some series of energy waste problems. Therefore, a rotary drying device is proposed for the above problems.

Summary of the invention

The object of the present invention is to provide a rotary drying device with high thermal efficiency of the lifting plate, suitable motor rotation speed and strong heat dissipation capability of the dryer.

To achieve the above object, the present invention provides the following technical solutions:

A rotary drying device comprises a coal crusher, a hoist, a high pressure blower, a coal bunker, a coal feeding electromagnet, a high temperature boiling furnace, a feeding device, a combined lifting device, a X lifting plate, a discharging reamer, KSC air box a pulse bag filter and a dust blower; the coal crusher is disposed on one side of the hoist, and the coal crusher is provided with a crush hopper at an outlet; the hoist is disposed at an outlet of the coal crusher, and one end of the hoist Feeding into the coal bunker through the crushing coal hopper; the coal bunker is disposed at one end of the high temperature boiling furnace; the coal feeding electrovibrating machine is disposed at one end of the coal bunker and extends to one side of the high temperature boiling furnace; the high temperature boiling furnace is disposed in the combined type a feeding device and a side of the X-lifting plate; the combined lifting device and the X-lifting plate are disposed between the high-temperature boiling furnace and the KSC gas box pulse bag filter; the feeding device is disposed at one end of the high-temperature boiling furnace; The high-pressure blower is disposed at one end of the high-temperature boiling furnace; the discharge reamer is disposed at one end of the KSC gas box pulse bag filter; and the dust-proof fan is disposed at one side of the KSC gas box pulse bag filter.

Wherein, the high temperature boiling furnace is used as a combustion chamber structure.

Wherein, the combined lifting device and the X-lifting plate adopt a new type X lifting plate.

Wherein, the hoist is a tapered structure.

Wherein, the high temperature boiling furnace is provided with an automatic screening structure inside.

Wherein, the lower end of the coal bunker is closely connected with the coal feeding electro-vibrator, and the coal bunker is an inverted conical structure.

Wherein, one end of the high pressure fan is closely connected with the bottom of the high temperature boiling furnace.

Wherein, the discharge reamer is horizontally disposed at the bottom of the KSC gas box pulse bag filter, and the discharge reamer is a spiral structure.

Compared with the prior art, the utility model has the beneficial effects that the combined lifting device and the X-lifting plate adopt a new type X lifting plate, and the material is thrown away from the upper X-shaped lifting plate to the material when the material is thrown. The lower layer X-shaped lifting plate forms a layer of falling material, and the material is continuously thrown in the X-shaped lifting plate, which prolongs the residence time of the material in the X-shaped lifting plate and increases the exchange of materials and hot air. Opportunity, thus improving the heat exchange efficiency in the dryer; the material is repeatedly thrown in the X-lifting plate, which plays a certain crushing effect, and the drying effect is greatly improved; the KSC gas box pulse bag filter is suitable for treating high-concentration gas. Specially made The membrane filter material has good water resistance, and the high temperature resistance is an ideal dust collecting device for the dryer, and the lifting plate of the device has high thermal efficiency, the motor speed is suitable, and the drying machine has strong heat dissipation capability, and is suitable for popularization and use.

DRAWINGS

Figure 1 is a schematic view of the overall structure of the present invention;

Figure 2 is a schematic view of the interior of the high temperature boiling furnace of the present invention;

Figure 3 is a side view of the fan structure of the present invention;

In the picture: 1, coal crusher, 2, hoist, 3, high pressure fan, 4, coal bunker, 5, coal-feeding electro-vibration machine, 6, high-temperature boiling furnace, 7, feeding equipment, 8, combined lifting device And X lifting board, 9, discharge reamer, 10, KSC air box pulse bag filter, 11, dust blower.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

1 to 3, the present invention provides a technical solution: a rotary drying device, including a coal crusher 1, a hoist 2, a high pressure blower 3, a coal bunker 4, a coal feeding electromagnet 5, a high temperature boiling furnace 6 , feeding device 7, combined lifting device and X lifting plate 8, discharging reamer 9, KSC air box pulse bag filter 10 and dust blower 11; the coal crusher 1 is set in the hoist 2 Side, and the outlet of the coal crusher 1 is provided with a coal hopper; the hoist 2 is disposed at the outlet of the coal crusher 1, and one end of the hoist 2 is fed into the coal bunker 4 through the coal hopper; At the upper end of the high temperature boiling furnace 6; the coal feeding electromagnet 5 is disposed at the lower end of the coal bunker 4 and extends to the side of the high temperature boiling furnace 6; the high temperature boiling furnace 6 is disposed at the combined lifting device and the X lifting plate 8 One side; the combined lifting device and the X-lifting plate 8 are disposed between the high temperature boiling furnace 6 and the KSC gas box pulse bag filter 10; the feeding device 7 is set at a high The upper end of the warm boiling furnace 6; the high pressure blower 3 is disposed at the lower end of the high temperature boiling furnace 6; the discharge reamer 9 is disposed at the lower end of the KSC gas box pulse bag filter 10; the dust blower 11 is disposed at the KSC gas box The right side of the pulse bag filter 10.

As an optimization technical solution of the present invention, the high temperature boiling furnace is used as a combustion chamber structure; the combined lifting device and the X lifting plate 8 adopt a new type X lifting plate; the lifting machine 2 has a tapered structure; The high temperature boiling furnace 6 is internally provided with an automatic screening structure; the lower end of the coal bunker 4 is closely connected with the coal feeding electromagnet 5, and the coal bunker 4 is an inverted conical structure; the end of the high pressure blower 3 is close to the bottom of the high temperature boiling furnace 6 connection. The discharge reamer 9 is horizontally disposed at the bottom of the KSC air box pulse bag filter 10, and the discharge reamer 9 has a spiral structure.

The working principle of the invention: the rotary drying device fuel is discharged from the coal bunker 4, transported to the coal feeding electromagnet 5 through the hoisting machine 2, and then the fuel enters the high temperature boiling furnace 6, and the high pressure blower 3 is heated by the blowing when the fuel is burned; It is sent from the feeding device 7 to the feeding end forging, and enters the high temperature boiling furnace 6 through the cutting slip. The inclination of the rotary dryer cylinder is 3% to 6%, and the material is turned from the high end to the low end when the material is rotated. Movement, from the low end into the discharge reamer 9 is discharged through the flap valve, and then transported away by the belt conveyor, and the hot gas enters the dryer cylinder from the high temperature boiling furnace 6, and exchanges heat with the material to make the material strongly dehydrated. The gas temperature drops, the exhaust gas passes through the discharge hood, and the KSC gas box pulse bag filter 10 is discharged to the atmosphere by the dust-proof fan 11.

It is apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and the present invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the invention is defined by the appended claims instead All changes in the meaning and scope of equivalent elements are included in the present invention. Any reference signs in the claims should not be construed as limiting the claim.

In addition, it should be understood that although the description is described in terms of embodiments, not every embodiment includes only one independent technical solution. The description of the specification is merely for the sake of clarity, and those skilled in the art should regard the specification as a whole. The technical solutions in the respective embodiments may also be combined as appropriate to form other embodiments that can be understood by those skilled in the art.

Claims

A rotary drying device, which comprises a coal crusher, a hoist, a high pressure blower, a coal bunker, a coal feeding electromagnet, a high temperature boiling furnace, a feeding device, a combined lifting device, a X lifting plate, and a discharging hinge a knife, a KSC gas box pulse bag filter and a dust-proof fan, the coal crusher is arranged on one side of the hoist, and the coal crusher is provided with a crushing coal hopper; the hoist is arranged at the outlet of the coal crusher, And one end of the hoist is fed into the coal bunker through the coal hopper; the bunker is disposed at one end of the high temperature boiling furnace; the coal feeding electrovibrator is disposed at one end of the coal bunker and extends to one side of the high temperature boiling furnace; The boiling furnace is disposed on a side of the combined lifting device and the X-lifting plate; the combined lifting device and the X-lifting plate are disposed between the high temperature boiling furnace and the KSC gas box pulse bag filter; the feeding device is disposed at One end of the high temperature boiling furnace; the high pressure fan is disposed at one end of the high temperature boiling furnace; the discharging reaming knife is disposed at one end of the KSC gas box pulse bag filter; the dust fan is disposed at one of the KSC gas box pulse bag filter side.
The rotary drying apparatus according to claim 1, wherein said high temperature boiling furnace is used as a combustion chamber structure.
The rotary drying apparatus according to claim 1, wherein the combined lifting device and the X-lifting plate employ a novel X-shaped lifting plate.
The rotary drying apparatus according to claim 1, wherein the hoisting machine has a tapered structure.
The rotary drying apparatus according to claim 1, wherein the high temperature boiling furnace is provided with an automatic screening structure inside.
The rotary drying apparatus according to claim 1, wherein the lower end of the coal bunk is tightly coupled to the coal feeding vibrator, and the bunker is an inverted conical structure.
The rotary drying apparatus according to claim 1, wherein one end of said high pressure blower is tightly coupled to the bottom of the high temperature boiling furnace.
The rotary drying apparatus according to claim 1, wherein said discharge reamer is horizontally disposed at The bottom of the KSC air box is pulsed bag filter, and the discharge reamer is a spiral structure.
The rotary drying apparatus according to claim 2, wherein the combined lifting device and the X-lifting plate adopt a novel X-shaped lifting plate.