CN211753331U

CN211753331U - Waste gas environmental protection equipment

Info

Publication number: CN211753331U
Application number: CN202020449932.5U
Authority: CN
Inventors: 马业成; 梅江龙
Original assignee: Yichang Tonglingjia Furniture Co ltd
Current assignee: Yichang Tonglingjia Furniture Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-10-27
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a waste gas environmental protection device, which comprises a dry processing unit and a wet processing unit, wherein the dry processing unit comprises a plurality of dust chambers which are arranged in series, the dust chamber at the connection head is provided with an inlet pipe, an induced draft fan is arranged in the inlet pipe, and the dust chamber at the connection tail is communicated with the wet processing unit; the dust removal assembly is detachably connected with the dust removal chamber and comprises a plurality of intercepting nets arranged on a spacing layer, the apertures of the intercepting nets are gradually decreased along the airflow direction, and each intercepting net is in contact with the inner wall of the dust removal chamber; the utility model discloses a plurality of clean rooms homoenergetic that set up carry out multistage dust removal processing to waste gas, ensure to intercept as far as the dust in the waste gas and collect, increase the effect of recycling of saw-dust.

Description

Waste gas environmental protection equipment

Technical Field

The utility model belongs to the waste gas treatment field for the furniture production and processing trade, concretely relates to waste gas environmental protection equipment.

Background

In the production and processing process of furniture, exhaust gas pollution can be generated, and the exhaust gas mainly comprises harmful exhaust gas in the paint spraying process and dust-containing exhaust gas generated in the production process.

When handling this type of waste gas among the prior art, through the leading-in exhaust-gas treatment equipment of high-power exhaust fan with the waste gas of production interval, exhaust-gas treatment equipment utilizes the watering dust fall technique to detach the air in the waste gas through the spraying effect, and reasonable control spraying liquid composition simultaneously can also detach the harmful gas in the waste gas in the lump under the condition of dust fall, simplifies the processing procedure of waste gas.

However, above-mentioned exhaust-gas treatment equipment is when carrying out exhaust-gas treatment, and direct dust in through the spraying dust fall deaerate, and the recycle effect of dust has still been reduced outside not only being unfavorable for handling, transporting to the moisture dust, because the dust that furniture trade produced is mostly the saw-dust, and the saw-dust can also mix with mud in the daily life and the moisture in the mud, practices thrift the energy consumption of mud dry combustion method in-process, practices thrift the treatment cost of mud.

In order to avoid the problems, in the prior art, waste gas sequentially passes through a dry treatment unit and a wet treatment unit, dust in the waste gas is removed in the dry treatment unit, harmful air molecules in the waste gas are removed in the wet treatment unit, and because the dust content in the waste gas is not very good, large-scale dust removal equipment (a pulse dust removal device and the like of a cement plant) is not suitable to be adopted, the dust is intercepted and filtered through a simple cloth bag intercepting net, but the cloth bag and the intercepting net need to be cleaned and maintained frequently in the using process so as to ensure the using effect of the dust removal equipment, the work load of workers is increased, and the shutdown treatment is needed, so that the waste gas treatment efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model provides a waste gas environmental protection equipment has solved and has adopted the interception net to carry out the dust interception among the prior art, blocks up the interception net easily and then increases workman's work load and has reduced the problem of exhaust-gas treatment efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the waste gas environment-friendly equipment comprises a dry treatment unit and a wet treatment unit, wherein the dry treatment unit comprises a plurality of dust chambers which are arranged in series, the dust chamber at the head of the connection is provided with a feed pipe, an induced draft fan is arranged in the feed pipe, and the dust chamber at the tail of the connection is communicated with the wet treatment unit;

the dust removal subassembly that can dismantle the connection is equipped with in the clean room, and the dust removal subassembly includes that the wall establishes a plurality of interception net of setting, and the aperture of a plurality of interception net is steadilyd decrease along the air current direction and is set up, and every interception net all contacts the setting with the clean room inner wall, and wherein every interception net still is equipped with the cooperation and uses and prevents blockking up the brush-holder stud, prevents blockking up the brush-holder stud and takes place the motion through the drive assembly drive and be used for brushing the foreign matter of.

Further, the vertical setting of clean room, the clean room upper end is equipped with the apron of dismantling the connection, and the clean room lower extreme is equipped with the passageway of unloading of taking the valve, and a plurality of interception net from the top down of dust removal subassembly set up, and the air current flow direction in every clean room is all by lower supreme diffusion flow.

Furthermore, a plurality of intercepting nets of the dust removal assembly are all connected through a vertically arranged connecting shaft in a penetrating mode, the connecting shaft is connected with each intercepting net in a rotating mode, the intercepting net located at the lowest mounting position is supported through a supporting ring fixed on the inner wall of the dust removal chamber, and an anti-blocking brush rod matched with each intercepting net is arranged below the intercepting net and connected with the connecting shaft.

Furthermore, the drive assembly comprises a connecting seat arranged at the lower end of the connecting shaft and a plurality of wind power impellers annularly arranged on the periphery of the connecting seat, the air flow acts on the plurality of wind power impellers to drive the connecting seat to rotate, the connecting seat rotates to drive the connecting shaft to rotate, the connecting shaft rotates to drive the anti-blocking brush rod to rotate, and the anti-blocking brush rod rotates to be used for brushing off foreign matters adhered to the intercepting net.

Further, the wet processing unit comprises an absorption tank and a drying tank connected with the top of the absorption tank and used for drying gas, the drying tank is communicated with the outside, an aeration disc is arranged on the middle lower portion of the absorption tank and communicated with a dust removal chamber located at a connection tail position, an overflow port is arranged on the upper portion of the absorption tank, a filter tank connected with the overflow port is arranged outside the absorption tank, a filter screen is arranged in the filter tank, the filter tank is connected with a water replenishing tank through a connecting pipe located below the filter screen, and the water replenishing tank is connected with the absorption tank through a water inlet pipe.

Furthermore, the bottom of the absorption tank is provided with a sludge collection groove with a necking, the bottom of the sludge collection groove is connected with a discharge pipe, and the discharge pipe is provided with a discharge valve.

Furthermore, a water pump is connected to the water inlet pipe, and the discharge end of the water inlet pipe is positioned below the overflow port; the connecting pipe is provided with a connecting valve; the water replenishing pool is connected with a water replenishing pipe.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a plurality of clean rooms homoenergetic that set up carry out multistage dust removal processing to waste gas, ensure to intercept as far as the dust in the waste gas and collect, increase the effect of recycling of saw-dust.

2. The utility model discloses the dust removal subassembly that sets up in every clean room can effectively intercept not the saw-dust of equidimension, and every interception net cooperation is used prevents blockking up the brush-holder stud and can move under drive assembly's effect for the foreign matter that the card was established in the mesh hole of the interception net of brushing, further ensures the result of use of interception net, reduces and shuts down the processing number of times, reduces workman working strength, ensures the exhaust-gas treatment effect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of a first dust chamber structure of the present invention;

FIG. 3 is a schematic view of the wet treatment unit of the present invention;

fig. 4 is a sectional view taken along line a-a of fig. 3.

In the figure, a first dust chamber 1, a discharge channel 11, a feed pipe 12, a support ring 13, a first connecting branch pipe 14, a cover plate 15, a second connecting branch pipe 16, a second dust chamber 10, a wind power impeller 21, a connecting seat 22, a connecting shaft 23, an anti-blocking brush rod 24, an intercepting net 25, an absorption tank 3, a water inlet pipe 31, an aeration disc 32, a sludge collecting tank 33, a discharge pipe 34, a gas guide pipe 35, a drying tank 36, an emptying pipe 37, a filter tank 38, a filter screen 381, a guide chute 382, a connecting pipe 39, a water replenishing pipe 310, a water replenishing tank 301, an overflow port 302 and a water pump 311.

Detailed Description

As shown in fig. 1-4, the present invention relates to an environmental protection device for waste gas, which comprises a dry treatment unit and a wet treatment unit, wherein the dry treatment unit comprises a plurality of dust chambers arranged in series, the dust chamber at the connection head is provided with a feed pipe 12, an induced draft fan (not shown in the figure) is arranged in the feed pipe 12, and the dust chamber at the connection tail is communicated with the wet treatment unit; be equipped with the dust removal subassembly of dismantling the connection in the clean room, the dust removal subassembly includes a plurality of interception net 25 that the wall established, and the aperture of a plurality of interception net 25 is steadilyd decrease along the air current direction and is set up, and every interception net 25 all contacts the setting with the clean room inner wall, and wherein every interception net 25 still is equipped with the cooperation and uses prevents blockking up brush-holder stud 24, prevents blockking up brush-holder stud 24 and takes place the motion through the drive assembly drive and be used for brushing the foreign matter of adhesion on the interception net 25. The utility model discloses the clean room that sets up is interconnect two, divide into first clean room 1 and second clean room 10 according to hookup location, and first clean room 1 is connected with inlet pipe 12, is connected through first connecting branch pipe 14 between first clean room 1 and the second clean room 10, and second clean room 10 communicates with each other with wet processing unit through second connecting branch pipe 16. The induced draft fan can be an exhaust fan in the prior art, and the installation mode of the exhaust fan can be installed by referring to the installation mode of the exhaust fan in the pipeline in the prior art, and the induced draft fan mainly plays a role in induced draft.

The utility model discloses a plurality of clean rooms homoenergetic that set up carry out multistage dust removal processing to waste gas, ensure to intercept as far as the dust in the waste gas and collect, increase the effect of recycling of saw-dust. The utility model discloses the dust removal subassembly that sets up in every clean room can effectively intercept not the saw-dust of equidimension, and every interception net 25 cooperation is used prevents blockking up brush-holder stud 24 and can move under drive assembly's effect for the foreign matter that 25 mesh inside callipers of interception net were established is removed in the brush, further ensures interception net 25's result of use, reduces and shuts down the processing number of times, reduces workman working strength, ensures the exhaust-gas treatment effect.

For the installation of the convenient dust removal subassembly, the utility model discloses the equal vertical setting of two clean rooms that set up is equipped with apron 15 that can dismantle the connection in the clean room upper end, for the collection of unloading of the saw-dust of making things convenient for the interior interception of clean room, the utility model discloses be equipped with the discharge passage 11 of taking the valve at the clean room lower extreme. The utility model discloses the interception net 25 that sets up can be the level arrange also can be vertical distribution, and a plurality of interception nets 25 from the top down of dust removal subassembly set up in this embodiment, because discharge passage 11 sets up at the clean room lower extreme, so the utility model discloses the air current flow in every clean room all flows by lower supreme diffusion. Correspondingly, the air inlet ends of the first dust chamber 1 and the second dust chamber 10 are respectively arranged at the lower parts of the first dust chamber 1 and the second dust chamber 10, and the air outlet ends of the first dust chamber 1 and the second dust chamber 10 are respectively arranged at the upper parts of the first dust chamber 1 and the second dust chamber 10.

As shown in fig. 2, take the dust removal subassembly in first clean room 1 and the first clean room 1 as an example, for the convenience is to the dismantlement installation of interception net 25, the utility model discloses a plurality of interception nets 25 of the dust removal subassembly that sets up all rotate with every interception net 25 and be connected through the connecting axle 23 through connection of vertical setting, connecting axle 23, wherein are located the interception net 25 of the below mounted position and support through the support ring 13 of fixing at first clean room 1 inner wall, and every interception net 25 cooperation is used prevents blockking up brush-holder stud 24 and all sets up in interception net 25 below and is connected with connecting axle 23. In order to prevent the dust removal component from moving upwards under the action of the airflow, the weight of the dust removal component is larger than the air resistance brought by the airflow.

The utility model discloses mainly used removes dust, and all there is the air flow in a plurality of dust chambers, and the air flow has certain air kinetic energy, for effectively utilizing this air kinetic energy, the utility model discloses the drive assembly who sets up is including setting up a plurality of wind-force impeller 21 that establish at connecting seat 22, the peripheral ring of connecting seat 22 of connecting axle 23 lower extreme, and the air current action is used in a plurality of wind-force impeller 21, drives connecting seat 22 and rotates, and connecting seat 22 rotates and drives connecting axle 23 and rotate, and connecting axle 23 rotates and drives and prevent blockking up brush-holder stud 24 and rotate, prevents blockking up the foreign matter that brush-holder stud 24 rotates and is used for brushing the adhesion on. In order to ensure that the wind impeller 21 is driven to rotate by the air flow, a suction fan may be provided in the second connecting branch 16.

The utility model discloses the peculiar smell gas such as poisonous, harmful in the wet processing unit mainly used processing waste gas that sets up, it is concrete, wet processing unit includes the absorption tank 3, the drying tank 36 that is used for dry gas who is connected with the 3 top of absorption tank, drying tank 36 communicates with each other with the external world and sets up, wherein lower part is equipped with aeration dish 32 in the absorption tank 3, aeration dish 32 communicates with each other with second connecting

branch

16, 3 upper portions of absorption tank are equipped with overflow mouth 302, absorption tank 3 is equipped with the filter tank 38 that meets the setting with overflow mouth 302 outward, be equipped with filter screen 381 in the filter tank 38, filter tank 38 is connected with moisturizing pond 301 through the below connecting pipe 39 that is located filter screen 381, moisturizing pond 301 is connected with absorption tank 3 through inlet tube 31. The filter screen 381 is obliquely arranged in the filter tank 38, the side wall of the filter tank 38 is provided with a material guide groove 382, and the material guide groove 382 is positioned at the oblique lower end of the filter screen 381. The water inlet pipe 31 is connected with a water pump 311, and the discharge end of the water inlet pipe 31 is positioned below the overflow port 302; the connecting pipe 39 is provided with a connecting valve; the water replenishing tank 301 is connected with a water replenishing pipe 310. The bottom of the absorption tank 3 is provided with a sludge collection groove 33 with a necking, the bottom of the sludge collection groove 33 is connected with a discharge pipe 34, and the discharge pipe 34 is provided with a discharge valve. The absorption tank 3 is used for containing absorption liquid, and the absorption liquid is arranged according to harmful gases in the air, such as: if the harmful gas is acid gas, the absorption liquid is alkaline absorption liquid; if the harmful gas is organic waste gas, the absorption liquid can be organic solvent absorption liquid.

When the wet processing unit works, the connecting valve on the connecting pipe 39 is in a closed state, the water quantity lower than the overflow port 302 is filled in the absorption tank 3 through the water inlet pipe 31 (a water level detector can be arranged in the absorption tank 3 to judge the water level of the absorption tank 3), the waste gas led out through the aeration disc 32 enters the absorption tank 3, the absorption liquid in the absorption tank 3 is processed, the processed air enters the drying tank 36 through the air duct 35, the drying tank 36 can be internally provided with the solid drying agent and can dry the air entering the drying tank 36 in an electric heating mode, and the dried air is discharged outside through the emptying pipe 37 of the drying tank 36.

Since a small amount of dust is also carried in the air introduced from the aeration tray 32, and the absorption liquid in the absorption tank 3 after a certain period of use contains a certain amount of dust, a part of the absorption liquid in the absorption tank 3 needs to be replaced periodically, and the dust with large surface area entering the absorption tank 3 floats on the liquid surface of the absorption liquid; the dust with small surface area can sink to the bottom of the absorption tank 3 after absorbing the absorption liquid.

When absorbent is cleaned, for dust floating on the liquid level of the absorbent, the connection valve is opened, the induced draft fan is closed, the water pump 311 is controlled to work (flow control) to enable the water inlet pipe 31 to enter new absorbent, the new absorbent is guided into the water level in the absorption tank 3 to rise, meanwhile, the dust on the water level of the absorbent is driven to rise, the dust is waited to rise to the overflow port 302, the dust enters the filter tank 38 from the overflow port 302 and is intercepted by the filter screen 381 in the filter tank 38, and the clean absorbent enters the water supplementing tank 301 through the connection pipe 39 and can be recycled.

Aiming at the dust deposited at the bottom of the absorption tank 3, the dust can be directly discharged through the discharge pipe 34, so that the absorption liquid in the absorption tank 3 has better absorption capacity, and the air purification effect is ensured.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides an exhaust gas environmental protection equipment, includes dry processing unit and wet processing unit, its characterized in that: the dry treatment unit comprises a plurality of dust chambers which are arranged in series, the dust chamber at the head of the connection is provided with a feed pipe, an induced draft fan is arranged in the feed pipe, and the dust chamber at the tail of the connection is communicated with the wet treatment unit;

the dust removal subassembly that can dismantle the connection is equipped with in the clean room, and the dust removal subassembly includes a plurality of interception nets that the wall established, and the aperture of a plurality of interception nets is steadilyd decrease the setting along the air current direction, and every interception net all contacts the setting with the clean room inner wall, and wherein every interception net still is equipped with the cooperation and uses and prevents blockking up the brush-holder stud, prevents blockking up the brush-holder stud and takes place the motion through the drive assembly drive and be used for brushing the foreign matter of the online adhesion.

2. An exhaust gas environmental protection apparatus according to claim 1, characterized in that: the vertical setting of clean room, the clean room upper end is equipped with the apron of dismantling the connection, and the clean room lower extreme is equipped with the passageway of unloading of taking the valve, and a plurality of interception net from the top down of dust removal subassembly set up, and the air current flow direction in every clean room is all by lower supreme diffusion flow.

3. An exhaust gas environmental protection apparatus according to claim 1, characterized in that: a plurality of intercepting nets of the dust removal assembly are all connected through a vertically arranged connecting shaft in a penetrating mode, the connecting shaft is connected with each intercepting net in a rotating mode, the intercepting net located at the lowest mounting position is supported through a supporting ring fixed on the inner wall of the dust removal chamber, and an anti-blocking brush rod matched with each intercepting net is arranged below the intercepting net and connected with the connecting shaft.

4. An exhaust gas environmental protection apparatus according to claim 3, characterized in that: the driving assembly comprises a connecting seat arranged at the lower end of the connecting shaft and a plurality of wind power impellers annularly arranged on the periphery of the connecting seat, the air flow acts on the plurality of wind power impellers to drive the connecting seat to rotate, the connecting seat rotates to drive the connecting shaft to rotate, the connecting shaft rotates to drive the anti-blocking brush rod to rotate, and the anti-blocking brush rod rotates to brush out foreign matters adhered to the intercepting net.

5. An exhaust gas environmental protection apparatus according to any one of claims 1 to 4, wherein: the wet processing unit comprises an absorption tank and a drying tank connected with the top of the absorption tank and used for drying gas, the drying tank is communicated with the outside, an aeration disc is arranged at the middle lower part of the absorption tank and communicated with a dust removal chamber positioned at a connection tail position, an overflow port is arranged at the upper part of the absorption tank, a filter tank connected with the overflow port is arranged outside the absorption tank, a filter screen is arranged in the filter tank, the filter tank is connected with a water replenishing tank through a connecting pipe below the filter screen, and the water replenishing tank is connected with the absorption tank through a water inlet pipe.

6. An exhaust gas environmental protection apparatus according to claim 5, wherein: the bottom of the absorption tank is provided with a sludge collection groove with a necking, the bottom of the sludge collection groove is connected with a discharge pipe, and the discharge pipe is provided with a discharge valve.

7. An exhaust gas environmental protection apparatus according to claim 6, characterized in that: the water inlet pipe is connected with a water pump, and the discharge end of the water inlet pipe is positioned below the overflow port; the connecting pipe is provided with a connecting valve; the water replenishing pool is connected with a water replenishing pipe.