CN219580144U

CN219580144U - Wet dust collector

Info

Publication number: CN219580144U
Application number: CN202320781338.XU
Authority: CN
Inventors: 姜相勇; 袁素素
Original assignee: Jingmen Jiguang Environmental Protection Technology Co ltd
Current assignee: Jingmen Jiguang Environmental Protection Technology Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-08-25
Anticipated expiration: 2033-04-11

Abstract

The wet dust collector comprises a dust collection cylinder (1), wherein one side, close to the lower part, of the dust collection cylinder (1) is provided with an air inlet pipe (2), a spray nozzle (3) is arranged in the air inlet pipe (2), the top of the dust collection cylinder (1) is provided with an exhaust port, the bottom of the dust collection cylinder (1) is provided with a drain pipe (4), one end, close to the top, of the dust collection cylinder (1) is provided with a conical guide cylinder (5) with the top diameter smaller than the bottom diameter, and a water storage cavity (6) with the bottom being an opening is formed between the outer side wall of the conical guide cylinder (5) and the inner side wall of the dust collection cylinder (1); the utility model has the advantages that: the dust-containing gas is mixed with the water mist in the air inlet pipe, so that dust particles become large, the dust particles enter the dust removing cylinder in a tangential direction to rotate, meanwhile, a water curtain is formed on the inner wall of the dust removing cylinder, and the dust-containing air flow can be quickly attached to the water curtain when rotating and enters the settling tank along with the water curtain, so that the dust removing effect is stable.

Description

Wet dust collector

Technical Field

The utility model relates to the technical field of wet dust removal, in particular to a wet dust remover.

Background

The wet dust collector is also called a water dust collector, the principle is that dust-containing gas is in close contact with water, particles are trapped by utilizing the inertial collision of water drops and particles or the full mixing effect of the water and the dust, the existing wet dust collector is mostly used for achieving the purpose of dust collection by closely contacting with the dust through multi-layer spraying, and once a single spray head is blocked, the coverage of spraying is insufficient, the phenomenon of dust overflow occurs, and the dust collection effect is affected.

Disclosure of Invention

The present utility model aims to overcome the above disadvantages and provide a wet dust collector.

The utility model comprises a dust removing cylinder, wherein one side of the dust removing cylinder, which is close to the lower part, is provided with an air inlet pipe, a spray nozzle is arranged in the air inlet pipe, the top of the dust removing cylinder is provided with an air outlet, the bottom of the dust removing cylinder is provided with a drain pipe, one end, which is close to the top, of the dust removing cylinder is provided with a conical guide cylinder, the top diameter of the conical guide cylinder is smaller than the bottom diameter, and a water storage cavity with an opening is formed between the outer side wall of the conical guide cylinder and the inner side wall of the dust removing cylinder;

the sedimentation tank and the water supplementing tank which are communicated are respectively arranged below the dust removing cylinder, one end of the drain pipe extends into the sedimentation tank, and the water supplementing tank is respectively communicated with the spray nozzle and the water storage cavity through a pump.

The air inlet pipe is composed of an air inlet straight pipe, a conical dispersing pipe and a duckbill nozzle, the spray nozzle is positioned in the air inlet straight pipe, the duckbill nozzle is positioned in the dust removing cylinder, and an air outlet of the duckbill nozzle is positioned in the tangential direction of the cylinder wall of the dust removing cylinder.

The spray nozzles are a plurality of and are annularly arranged on the air inlet pipe.

The conical guide cylinder and the dust removing cylinder are coaxially arranged, and the width of the bottom opening of the water storage cavity is 2-4mm.

The upper part of the water storage cavity is provided with an annular water supplementing pipe, a plurality of water supplementing spray heads are arranged on the annular water supplementing pipe in an annular array, and the annular water supplementing pipe is communicated with the water supplementing tank through a pump.

A filter screen is arranged in the sedimentation tank, one end of the drain pipe extends into the lower part of the filter screen, one side of the sedimentation tank above the filter screen is communicated with the water supplementing tank through a pipeline, and a drain pipe is arranged on the sedimentation tank below the filter screen.

An annular wire mesh demister is arranged between the water storage cavity and the exhaust port of the dust removal cylinder.

The inner ring of the annular wire mesh demister is a conical body with the diameter of the top part smaller than that of the bottom part.

The utility model has the advantages that: the dust-containing gas is mixed with the water mist in the air inlet pipe, so that dust particles become large, the dust particles enter the dust removing cylinder in a tangential direction to rotate, meanwhile, a water curtain is formed on the inner wall of the dust removing cylinder, and the dust-containing air flow can be quickly attached to the water curtain when rotating and enters the settling tank along with the water curtain, so that the dust removing effect is stable.

Drawings

Fig. 1 is a schematic diagram of the structure of the present utility model.

Fig. 2 is a schematic view of an intake pipe connection structure.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "upper," "lower," "inner," "outer," and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or the azimuth or the positional relationship in which the inventive product is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like in the description of the present utility model, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in the drawings, the utility model comprises a dust removing cylinder 1, wherein one side of the dust removing cylinder 1, which is close to the lower part, is provided with an air inlet pipe 2, a spray nozzle 3 is arranged in the air inlet pipe 2, the top of the dust removing cylinder 1 is provided with an air outlet, the bottom of the dust removing cylinder 1 is provided with a drain pipe 4, one end, which is close to the top, of the dust removing cylinder 1 is provided with a conical guide cylinder 5, the top diameter of which is smaller than the bottom diameter, and a water storage cavity 6 with an opening bottom is formed between the outer side wall of the conical guide cylinder 5 and the inner side wall of the dust removing cylinder 1;

the lower part of the dust removal cylinder 1 is respectively provided with a sedimentation tank 7 and a water supplementing tank 8 which are communicated with each other, one end of the water draining pipe 4 extends into the sedimentation tank 7, and the water supplementing tank 8 is respectively communicated with the spray nozzle 3 and the water storage cavity 6 through a pump.

The gas containing dust is conveyed fast through the fan, the gas enters the dust removing cylinder 1 together with the water mist sprayed by the spray nozzle 3 when passing through the air inlet pipe 2, the volume and the weight of the dust are increased after the dust is adhered with the water mist, water in the water storage cavity 6 flows downwards along the inner wall of the dust removing cylinder 1 to form an annular water curtain, the dust-containing water mist blown into the dust removing cylinder 1 can be effectively adhered to the water curtain and flow downwards into the sedimentation tank 7 to be sedimented along with the water curtain, the sedimented water enters the water supplementing tank 8, and the water is conveyed to the spray nozzle 3 and the water storage cavity 6 through the pump respectively, so that the water level in the water storage cavity 6 is controlled to be stable, and the water curtain can be continuously formed. External water can be automatically supplemented in the water supplementing tank 8 through the ball float valve, and partial water mist can be taken away by discharged air flow during dust removal, so that water is supplemented when the water quantity in the sedimentation tank 7 is insufficient to flow into the water supplementing tank 8.

Further, the air inlet pipe 2 is composed of an air inlet straight pipe 10, a conical dispersing pipe 11 and a duckbill nozzle 12, the spray nozzle 3 is positioned in the air inlet straight pipe 10, the duckbill nozzle 12 is positioned in the dust removing cylinder 1, and an air outlet of the duckbill nozzle 12 is positioned in the tangential direction of the cylinder wall of the dust removing cylinder 1.

The conical dispersing pipe 11 is used for dispersing air flow in a horn shape, the duckbill nozzle 12 is flat, the dispersed air flow is sprayed out from the duckbill nozzle 12, the air flow is blown out along the tangential direction of the dust removing cylinder 1, a rotary air flow is formed in the dust removing cylinder 1, dust and gas are separated through centrifugal force, and dust in the case can be effectively prevented from being carried out by being adsorbed on a water curtain during separation.

Further, a plurality of spray nozzles 3 are arranged on the air inlet pipe 2 in an annular array. So that the water mist uniformly covers the whole air inlet pipe 2 and can be fully mixed with dust.

Further, the conical guide cylinder 5 and the dust removal cylinder 1 are coaxially arranged, and the width of the bottom opening of the water storage cavity 6 is 2-4mm. The upper part of the formed water curtain can not be blown off by the rotating air flow, so that the continuity of the water curtain is ensured.

Further, an annular water supplementing pipe 15 is arranged at the upper part of the water storage cavity 6, a plurality of water supplementing spray heads are annularly arranged on the annular water supplementing pipe 15, and the annular water supplementing pipe 15 is communicated with the water supplementing tank 8 through a pump. The annular water supplementing pipe 15 can uniformly supplement water in the water storage cavity 6, so that the balance of water pressure in all directions in the water storage cavity 6 is maintained, and the stability of the water curtain is improved.

Further, a filter screen 16 is arranged in the sedimentation tank 7, the filter screen 16 can be provided with an upper layer and a lower layer, and a metal filter screen with 150-200 meshes is adopted. One end of the drain pipe 4 stretches into the lower part of the filter screen 16, so that the bottom of the dust removing cylinder 1 is in a sealed state, the wind pressure in the dust removing cylinder 1 is not influenced, meanwhile, dust-containing sewage directly flows into the lower part of the filter screen 16, filtered water is positioned above the filter screen 16, one side of the sedimentation tank 7 positioned above the filter screen 16 is communicated with the water supplementing tank 8 through a pipeline, and a drain pipe is arranged on the sedimentation tank 7 positioned below the filter screen 16. And the dirt in the sedimentation tank 7 is cleaned by periodic pollution discharge, so that the filtering effect is improved.

Further, an annular wire mesh demister 20 is arranged between the water storage cavity 6 and the exhaust port of the dust removal cylinder 1. The wire mesh mist eliminator 20 is used for separating water mist in the exhaust gas, and the separated water can flow back into the water storage cavity 6, so that water discharge is reduced.

Further, the inner ring of the annular wire mesh mist eliminator 20 is a cone with a top diameter smaller than a bottom diameter. The diameter of the top of the inner ring of the annular wire mesh mist eliminator 20 is the same as the diameter of the exhaust port of the dust removing cylinder 1, the diameter of the bottom of the inner ring of the annular wire mesh mist eliminator 20 is the same as the diameter of the top of the conical guide cylinder 5, and water mist can be fully contacted with the inner wall of the annular wire mesh mist eliminator 20 when rising and discharging along with the rotating air flow.

Claims

1. The wet dust collector is characterized by comprising a dust collection cylinder (1), wherein one side, close to the lower part, of the dust collection cylinder (1) is provided with an air inlet pipe (2), a spray nozzle (3) is arranged in the air inlet pipe (2), the top of the dust collection cylinder (1) is provided with an air outlet, the bottom of the dust collection cylinder (1) is provided with a drain pipe (4), one end, close to the top, of the dust collection cylinder (1) is provided with a conical guide cylinder (5) with the top diameter smaller than the bottom diameter, and a water storage cavity (6) with the bottom being an opening is formed between the outer side wall of the conical guide cylinder (5) and the inner side wall of the dust collection cylinder (1);

the lower part of the dust removal cylinder (1) is respectively provided with a sedimentation tank (7) and a water supplementing tank (8) which are communicated with each other, one end of the water draining pipe (4) stretches into the sedimentation tank (7), and the water supplementing tank (8) is respectively communicated with the spray nozzle (3) and the water storage cavity (6) through pumps.

2. A wet dust collector according to claim 1, characterized in that the air inlet pipe (2) consists of an air inlet straight pipe (10), a conical dispersion pipe (11) and a duckbill nozzle (12), the spray nozzle (3) is positioned in the air inlet straight pipe (10), the duckbill nozzle (12) is positioned in the dust collection barrel (1), and the air outlet of the duckbill nozzle (12) is positioned in the tangential direction of the barrel wall of the dust collection barrel (1).

3. A wet dust collector according to any one of claims 1 or 2, characterized in that the spray nozzles (3) are plural and are arranged in an annular array on the inlet pipe (2).

4. A wet dust collector according to claim 1, characterized in that the conical guide cylinder (5) is arranged coaxially with the dust collector cylinder (1), and the width of the bottom opening of the water storage chamber (6) is 2-4mm.

5. A wet dust collector as set forth in claim 1, characterized in that the upper part of the water storage chamber (6) is provided with an annular water supplementing pipe (15), a plurality of water supplementing spray heads are arranged on the annular water supplementing pipe (15) in an annular array, and the annular water supplementing pipe (15) is communicated with the water supplementing tank (8) through a pump.

6. A wet dust collector as set forth in claim 1, characterized in that a filter screen (16) is provided in the sedimentation tank (7), one end of the drain pipe (4) extends into the lower part of the filter screen (16), one side of the sedimentation tank (7) above the filter screen (16) is communicated with the inside of the water supplementing tank (8) through a pipeline, and a drain pipe is provided on the sedimentation tank (7) below the filter screen (16).

7. A wet dust collector according to claim 1, characterized in that an annular wire mesh mist eliminator (20) is arranged between the water storage chamber (6) and the exhaust opening of the dust collection drum (1).

8. A wet dust collector according to claim 7 wherein the inner ring of the annular wire mesh mist eliminator (20) is a cone with a top diameter smaller than a bottom diameter.