CN210385178U

CN210385178U - Workshop dust exhaust gas purification device

Info

Publication number: CN210385178U
Application number: CN201921218300.1U
Authority: CN
Inventors: 刘颖成; 何健民; 李明同
Original assignee: Dongguan Kanglai Environmental Protection Technology Co Ltd
Current assignee: Dongguan Kanglai Environmental Protection Technology Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-04-24
Anticipated expiration: 2029-07-30

Abstract

The utility model relates to a workshop dust waste gas purification device, which comprises a dust removal device, an exhaust fan and a gas purification device which are sequentially communicated through a pipeline from left to right, wherein the dust removal device comprises a shell, a horizontal clapboard is arranged inside the shell, and the clapboard divides the interior of the shell into an upper gas purification chamber and a lower filtering chamber; the air purification device is characterized in that the filter chamber is provided with an air inlet, the side surface of the filter chamber is provided with a dust outlet, the partition plate is provided with a vent hole, a filter device matched with the vent hole is arranged in the filter chamber, the air purification chamber is provided with an air outlet, and the air outlet is communicated with the input end of the exhaust fan; the air purifying device comprises an alkaline liquid pool, wherein a spraying assembly and a filter screen are sequentially arranged in the alkaline liquid pool from bottom to top, and the output end of the exhaust fan is communicated with the lower side of one side of the alkaline liquid pool. The utility model discloses dust waste gas's effect has.

Description

Workshop dust exhaust gas purification device

Technical Field

The utility model belongs to the technical field of exhaust-gas purification's technique and specifically relates to a workshop dust exhaust purification device is related to.

Background

With the continuous development of society and the continuous progress of science and technology, the living standard of people is greatly improved, and simultaneously, higher requirements are put forward for living environment. However, in the process of social development, the environment of people's life is also damaged to a great extent, especially the air pollution, and the normal travel and the life quality of people are seriously influenced.

In the existing industry, a lot of dust and acidic waste gas exist, particularly, the phenomenon is particularly obvious in a workshop, on one hand, workers can inhale the dust and the acidic waste gas for a long time, and serious harm can be caused to the bodies; on the other hand, if dust and acid exhaust gas are directly discharged, the dust and the acid exhaust gas are the main causes of acid rain.

The above prior art solutions have the following drawbacks: the direct discharge of dust and exhaust gas has a great influence on the environment, and therefore, the dust and exhaust gas need to be treated and purified before being discharged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a workshop dust exhaust purification device has the effect of purifying dust exhaust gas.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a workshop dust and waste gas purification device comprises a dust removal device, an exhaust fan and a gas purification device which are sequentially communicated through a pipeline from left to right, wherein the dust removal device comprises a shell, a horizontal partition plate is arranged in the shell, and the partition plate divides the interior of the shell into an upper gas purification chamber and a lower filter chamber; the air purification device is characterized in that the filter chamber is provided with an air inlet, the side surface of the filter chamber is provided with a dust outlet, the partition plate is provided with a vent hole, a filter device matched with the vent hole is arranged in the filter chamber, the air purification chamber is provided with an air outlet, and the air outlet is communicated with the input end of the exhaust fan; the air purifying device comprises an alkaline liquid pool, wherein a spraying assembly and a filter screen are sequentially arranged in the alkaline liquid pool from bottom to top, and the output end of the exhaust fan is communicated with the lower side of one side of the alkaline liquid pool.

By adopting the technical scheme, dust and waste gas enter the filtering chamber from the air inlet, the waste gas is pumped into the gas purifying chamber under the filtering action of the filtering device in the filtering chamber, and the dust is blocked outside the filtering device and falls to the dust outlet, so that the separation of the waste gas and the dust is realized; the waste gas passing through the air purifying chamber is discharged to the alkali liquor pool under the action of the exhaust fan, and acidic substances in the waste gas are treated under the reaction action of the alkali liquor pool, so that the waste gas is purified.

The utility model discloses further set up to: the filter device comprises a plurality of filter bags arranged in the filter chamber, the filter bags correspond to the vent holes one by one, the open ends of the filter bags are fixedly connected with the partition plates in a sealing mode, and the interior of each filter bag is communicated with the vent holes.

Through adopting above-mentioned technical scheme, the setting of filter bag makes waste gas can pass through the filtration pore on the filter bag, and the dust can be blockked at the surface of filter bag, has realized the dust removal to waste gas.

The utility model discloses further set up to: the utility model discloses a gas-insulated air bag, including casing, gas outlet, pulse pipe, air vent one-to-one, the casing is provided with the electromagnetic pulse valve with one side that the gas outlet is relative, one side of electromagnetic pulse valve is provided with the pulse tube, just the pulse tube runs through the casing outer wall and extends to inside the casing, be provided with the jet-propelled pipe with the air vent one-to-one on the pulse tube, the electromagnetic pulse valve bottom is provided with an air.

Through adopting above-mentioned technical scheme, under dust collector's continuous work, along with the increase of time and the dust of deposit on the filter bag more and more, the resistance that the filter bag received is also bigger and bigger, causes the interior processing amount of wind of filter chamber to reduce gradually, influences the separation of dust and waste gas, in order to guarantee normal work, needs carry out the deashing to the filter bag. When the dust is cleaned, the pulse controller triggers the electromagnetic pulse valves in sequence, the compressed air in the air bag cylinder is sprayed into each corresponding filter bag through the pulse pipe, and the filter bag rapidly expands instantly to make the dust deposited on the surface of the filter bag fall off.

The utility model discloses further set up to: the spray assembly comprises a spray arm arranged in the alkali liquor pool, an atomizing spray head and a water pump arranged outside the alkali liquor pool, wherein the input end of the water pump is communicated and connected with the lower part of one side of the alkali liquor pool through a pipeline, the output end of the water pump is communicated and connected with the spray arm through a pipeline, and the spray arm is communicated and connected with the atomizing spray head.

Through adopting above-mentioned technical scheme, the in-process that lets in to alkali lye at waste gas has partial waste gas not to react completely with alkali lye and directly to drain away, leads to exhaust-gas treatment's not thorough, carries out the secondary reaction through using water pump and spray arm to the waste gas in the alkali lye pond, and the treatment effect is better.

The utility model discloses further set up to: the atomizer is provided with a plurality ofly, and a plurality of atomizers are along spraying one side linear arrangement that the arm is close to the lye pond bottom, the atomizer sets up towards the bottom vertical downwards in lye pond.

Through adopting above-mentioned technical scheme, setting up of atomizer makes the alkali lye that the blowout comes finer and smoother, more comprehensive fully contact with waste gas, to exhaust-gas treatment's more thoroughly.

The utility model discloses further set up to: the two opposite sides of the inner wall of the alkali liquor pool are respectively provided with a supporting plate, and the spray arms are arranged on the inner wall of the alkali liquor pool through the supporting plate frames.

Through adopting above-mentioned technical scheme, the setting of backup pad has given a fine supporting role of spray arm for the more stable the setting up of spray arm is on the inner wall in lye pond.

The utility model discloses further set up to: and an exhaust port baffle is arranged at the top of the alkali liquor pool.

Through adopting above-mentioned technical scheme, thereby the subassembly normal operating in the lye tank can effectively be reduced external debris and drop to the lye tank in the setting of gas vent baffle.

The utility model discloses further set up to: the filter screen is the HEPA filter screen.

By adopting the technical scheme, the HEPA filter screen can absorb 99.7 percent of suspended particles with the size of 0.3 micron, and the 0.3 micron is the most difficult size to filter.

To sum up, the utility model discloses a beneficial technological effect does:

1. dust and waste gas enter the filtering chamber from the air inlet, the waste gas and the dust are separated under the filtering action of the filtering device, and the dust falls to the dust outlet; the waste gas passes through the air purifying chamber under the action of the exhaust fan and then enters the alkaline liquid pool, and acidic substances in the waste gas are treated under the reaction action of the alkaline liquid pool, so that the waste gas is purified;

2. the dust accumulated on the filter bag is more and more along with the increase of time, the resistance of the filter bag is increased, the air quantity for processing is gradually reduced, and the filter bag needs to be cleaned in order to work normally. When in ash removal, the pulse control instrument sequentially triggers the electromagnetic pulse valves, compressed air in the air bag cylinder is sprayed into each corresponding filter bag through the pulse pipe, and the filter bag rapidly expands instantly to enable dust accumulated on the surface of the filter bag to fall off;

3. the waste gas that has the part in-process that lets in alkali lye to handle does not have completely to react with alkali lye and directly discharges away at waste gas, leads to exhaust-gas treatment's not thorough, carries out the secondary reaction through using water pump and spray arm to the waste gas in the alkali lye pond, and the treatment effect is better.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional structure view of fig. 1.

In the figure, 1, a dust removing device; 11. an air inlet; 12. an air outlet; 13. a housing; 14. a filtering chamber; 141. a filtration device; 142. a filter bag; 15. a gas purifying chamber; 151. a gas ejector tube; 152. a pulse tube; 153. an electromagnetic pulse valve; 154. an air bag cylinder; 16. a dust outlet; 17. a partition plate; 171. a vent hole; 2. an exhaust fan; 3. a gas purification device; 31. an alkaline solution pool; 32. a spray assembly; 321. a spray arm; 322. an atomizing spray head; 323. a water pump; 33. a filter screen; 34. a support plate; 35. an exhaust port baffle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, for the utility model discloses a workshop dust exhaust gas purification device, including dust collector 1, exhaust fan 2 and air purification device 3. The exhaust fan 2 is located between the dust removal device 1 and the air purification device 3, an air inlet 11 and an air outlet 12 are respectively arranged on two opposite sides of the dust removal device 1, the air inlet 11 is located below the air outlet 12, the air outlet 12 is connected with the input end of the exhaust fan 2 through a pipeline, and the output end of the exhaust fan 2 is communicated and connected with the lower portion of one side of the air purification device 3 through a pipeline.

As shown in fig. 1 and 2, the dust removing device 1 comprises a housing 13, the housing 13 is defined as a filtering chamber 14 and an air purifying chamber 15 at intervals, the air purifying chamber 15 is located above the filtering chamber 14, a dust outlet 16 is arranged on the side surface of the filtering chamber 14, the filtering chamber 14 is communicated and connected with an air inlet 11, and the air purifying chamber 15 is communicated and connected with an air outlet 12; a partition plate 17 is arranged between the filtering chamber 14 and the air purifying chamber 15, and a plurality of vent holes 171 are arranged on the partition plate 17.

As shown in fig. 1 and 2, the air injection pipes 151 are arranged right above the vent hole 171 and correspond to the vent hole, one end of each air injection pipe 151, which is far away from the vent hole 171, is provided with a pulse pipe 152, a part of the same pulse pipe 152, which is located in the air purification chamber 15, is communicated with a plurality of air injection pipes 151, a part of the pulse pipe 152, which is located outside the air purification chamber 15, is provided with an electromagnetic pulse valve 153, and the bottom of the electromagnetic pulse valve 153 is provided with an air bag barrel 154. A filtering device 141 is arranged right below the vent hole 171, the filtering device 141 is positioned in the filtering chamber 14, the filtering device 141 comprises a plurality of filtering bags 142, the open ends of the filtering bags 142 are fixedly connected with the partition 17 in a sealing manner, and the insides of the filtering bags 142 are communicated with the vent hole 171.

As shown in fig. 2, the gas purifying device 3 comprises an alkaline liquid tank 31, and a spraying assembly 32 and a filter screen 33 are sequentially arranged in the alkaline liquid tank 31 from bottom to top; the filter screen 33 is a HEPA filter screen, support plates 34 are respectively arranged on two opposite sides of the inner wall of the alkali liquor pool 31, and an exhaust port baffle 35 is arranged at the top of the alkali liquor pool 31. The spray assembly 32 comprises a spray arm 321, an atomizing spray head 322 and a water pump 323, the spray arm 321 is erected on the inner wall of the alkali liquor pool 31 through a support plate 34, one side of the spray arm 321 close to the bottom of the alkali liquor pool 31 is communicated with a plurality of linearly arranged atomizing spray heads 322, and the atomizing spray heads 322 face the bottom of the alkali liquor pool 31 vertically downwards; the water pump 323 is positioned at one side of the lye tank 31 far away from the exhaust fan 2, the input end of the water pump 323 is communicated and connected with the lower part of one side of the lye tank 31 through a pipeline, and the output end of the water pump 323 is communicated and connected with the spray arm 321 through a pipeline.

The implementation principle of the embodiment is as follows: dust exhaust gas enters a filter chamber 14 of the dust removal device 1 from an air inlet 11, when the dust exhaust gas passes through a filter bag 142 with a metal framework arranged inside, dust is trapped on the outer surface of the filter bag 142, and the dust-removed exhaust gas enters a gas purification chamber 15 from the inside of the filter bag 142 and is collected to an air outlet 12 under the action of an exhaust fan 2; as the time increases, more and more dust is accumulated on the filter bag 142, and the resistance of the filter bag 142 is increased, so that the air volume for treatment is gradually reduced, and the filter bag 142 needs to be cleaned. When in ash cleaning, the pulse controller sequentially triggers the electromagnetic pulse valves 153, compressed air in the air bag cylinder 154 is sprayed into each corresponding filter bag 142 through the pulse pipe 152, and the filter bags 142 are suddenly expanded instantly, so that dust accumulated on the surfaces of the filter bags 142 falls off. The waste gas passing through the air purifying chamber 15 is sent to the alkali liquor tank 31 under the action of the exhaust fan 2, acidic substances in the waste gas are treated under the reaction action of the alkali liquor tank 31, and meanwhile, the waste gas which does not completely react with the alkali liquor in the alkali liquor tank 31 is subjected to a second reaction by using the water pump 323 and the spray arm 321, so that the waste gas is purified and finally is discharged to the outside through an HEPA filter screen.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a workshop dust exhaust gas purification device which characterized in that: the device comprises a dust removal device (1), an exhaust fan (2) and a gas purification device (3) which are sequentially communicated through a pipeline from left to right, wherein the dust removal device (1) comprises a shell (13), a horizontal partition plate (17) is arranged in the shell (13), and the partition plate (17) divides the interior of the shell (13) into an upper gas purification chamber (15) and a lower filter chamber (14); the air purification device is characterized in that the filter chamber (14) is provided with an air inlet (11), the side surface of the filter chamber (14) is provided with a dust outlet (16), the partition plate (17) is provided with a vent hole (171), a filter device (141) matched with the vent hole (171) is arranged in the filter chamber (14), the air purification chamber (15) is provided with an air outlet (12), and the air outlet (12) is communicated with the input end of the exhaust fan (2); the gas purification device (3) is including alkali lye pond (31), spray assembly (32) and filter screen (33) have set gradually by going up in alkali lye pond (31), the output of exhaust fan (2) is linked together with one side below of alkali lye pond (31).

2. The plant dust exhaust gas purification device according to claim 1, wherein: the filter device (141) comprises a plurality of filter bags (142) arranged inside the filter chamber (14), the filter bags (142) correspond to the vent holes (171) one by one, the open ends of the filter bags (142) are fixedly connected with the partition plates (17) in a sealing mode, and the inside of each filter bag (142) is communicated with the vent holes (171).

3. The plant dust exhaust gas purification device according to claim 2, wherein: casing (13) and the relative one side of gas outlet (12) are provided with electromagnetic pulse valve (153), one side of electromagnetic pulse valve (153) is provided with pulse tube (152), just inside pulse tube (152) run through casing (13) outer wall and extend to casing (13), be provided with jet-propelled pipe (151) with air vent (171) one-to-one on pulse tube (152), electromagnetic pulse valve (153) bottom is provided with an air bag section of thick bamboo (154).

4. The plant dust exhaust gas purification device according to claim 1, wherein: the spray assembly (32) comprises a spray arm (321) arranged in the alkaline liquor pool (31), an atomizing spray head (322) and a water pump (323) arranged outside the alkaline liquor pool (31), wherein the input end of the water pump (323) is communicated and connected with the lower part of one side of the alkaline liquor pool (31) through a pipeline, the output end of the water pump (323) is communicated and connected with the spray arm (321) through a pipeline, and the spray arm (321) is communicated and connected with the atomizing spray head (322).

5. The plant dust exhaust gas purification device according to claim 4, wherein: the atomizing spray heads (322) are arranged in a plurality of modes, the atomizing spray heads (322) are linearly arranged along one side, close to the bottom of the alkali liquor pool (31), of the spray arm (321), and the atomizing spray heads (322) are arranged downwards towards the bottom of the alkali liquor pool (31) vertically.

6. The plant dust exhaust gas purification device according to claim 5, wherein: the two opposite sides of the inner wall of the lye tank (31) are respectively provided with a supporting plate (34), and the spraying arm (321) is erected on the inner wall of the lye tank (31) through the supporting plates (34).

7. The plant dust exhaust gas purification device according to claim 4, wherein: and an exhaust port baffle (35) is arranged at the top of the alkali liquor pool (31).

8. The plant dust exhaust gas purification device according to claim 1, wherein: the filter screen (33) is a HEPA filter screen.