CN217527019U

CN217527019U - Microbial degradation device for VOCs organic waste gas treatment

Info

Publication number: CN217527019U
Application number: CN202121833685.XU
Authority: CN
Inventors: 何建军; 楚孟桥
Original assignee: GUANGZHOU LIHUI ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Current assignee: GUANGZHOU LIHUI ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-10-04
Anticipated expiration: 2031-08-06

Abstract

The utility model relates to a VOCs organic waste gas handles and uses microbial degradation device. The microbial degradation device comprises a shell, a spraying structure, two groups of slag removing structures arranged in the shell, three groups of air equalizing plates and a back washing structure fixedly arranged in the shell. The shell comprises a shell, a partition plate, a liquid storage chamber, a degradation chamber, an air inlet duct and an air outlet duct. The spraying structure comprises a first spraying pipe and a second spraying pipe. The second spray pipe is positioned inside the air inlet duct. The three groups of air equalizing plates are arranged in a direct proportion. The back washing structure comprises a water pipe and a plurality of groups of spray heads which are arranged in the air outlet duct. The utility model has the advantages that the material exchange and the airflow purification are more thorough, and the efficiency and the cleanliness of the organic waste gas degradation and purification are high; the airflow can be equally divided to ensure the degradation and purification strength of the VOCs organic waste gas; the adhered residue can be washed off to avoid accumulation of the residue, thereby stabilizing the purification efficiency.

Description

Microbial degradation device for VOCs organic waste gas treatment

Technical Field

The utility model relates to a waste gas treatment technical field especially relates to a VOCs organic waste gas handles and uses microbial degradation device.

Background

The microbial degradation method of the organic waste gas of VOCs is various, and the common methods comprise a filtration method, a trickling filtration method, a washing method and the like. When VOCs organic waste gas is treated, the VOCs organic waste gas is purified by a microbial degradation method, and the microbial degradation device absorbs and adsorbs VOCs organic substances in the degraded waste gas by utilizing the physiological function of microbes to generate harmless substances such as cells or carbon dioxide, water and the like, so that the purification effect of the VOCs organic waste gas is realized.

However, when the microbial degradation device is arranged, the humidity of the air flow is low, so that a dry area is easily generated when the waste gas passes through the deslagging area due to uneven water flow distribution, the thoroughness of material exchange and air flow purification is reduced, and the degradation and purification strength of the organic waste gas containing VOCs is poor. Meanwhile, the residues are inconvenient to treat, and the residues are accumulated in the packing layer to form a microbial film, so that the purification efficiency of the degradation device is influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a microbial degradation device for treating the organic waste gas of the VOCs, which aims at the problems of low material exchange and airflow purification thoroughness of the microbial degradation device, poor degradation and purification strength of the organic waste gas of the VOCs, inconvenient residue treatment and low purification efficiency.

A little biodegradable device is used in VOCs organic waste gas treatment, includes:

the shell comprises a shell, a partition board fixedly arranged in the shell, a liquid storage chamber, a degradation chamber, an air inlet duct and an air outlet duct, wherein the liquid storage chamber, the degradation chamber, the air inlet duct and the air outlet duct are arranged in the shell;

the microbial degradation apparatus further comprises:

the spraying structure is fixedly arranged in the shell and comprises a first spraying pipe fixedly arranged in the degradation chamber and a second spraying pipe fixedly connected to one end of the first spraying pipe;

the second spraying pipe is positioned inside the air inlet duct;

two groups of deslagging structures arranged in the shell;

the three groups of air-equalizing plates are arranged in the air inlet duct and are fixedly arranged at the positions, facing the partition plate, of the corresponding deslagging structures; the heights of the three groups of air equalizing plates are arranged in a direct proportion; and

the back washing structure is fixedly arranged in the shell and comprises a water pipe arranged in the air outlet duct and a plurality of groups of spray heads fixedly arranged on the water pipe facing the deslagging structure.

The microbial degradation device has the advantages that material exchange and airflow purification are thorough, and the degradation and purification efficiency and cleanliness of the organic waste gas are high; the airflow can be equally divided to ensure the degradation and purification strength of the VOCs organic waste gas; the adhered residue can be washed off to avoid accumulation of the residue, thereby stabilizing the purification efficiency.

In one embodiment, one end of the first spraying pipe, which faces away from the second spraying pipe, is vertically and fixedly installed at a position, which is far away from the air inlet duct, of a side wall of the housing in a penetrating manner, and one end of the first spraying pipe, which faces away from the second spraying pipe, is located in the liquid storage chamber.

Furthermore, the second spray pipe is vertically fixed to the outer shell in a penetrating mode.

In one embodiment, the spraying structure is positioned between two groups of the deslagging structures; each group of deslagging structures comprises two groups of grid plates welded in the shell and a filler layer filled between the two groups of grid plates;

the two groups of packing layers are arranged in parallel in the degradation chamber, and the packing layers are distributed above the clapboard in parallel.

Furthermore, the three groups of air-equalizing plates are distributed horizontally and are vertically arranged on the corresponding grid plates.

In one embodiment, one end of the water pipe, which is back to the air inlet duct, is vertically and fixedly connected with one side wall of the shell in a penetrating manner.

In one embodiment, the reservoir is located below the partition; the degradation chamber is positioned above the liquid storage chamber and is positioned on one side of the air inlet duct; the air outlet duct is positioned above the degradation chamber.

Furthermore, a through cavity is formed in the partition plate in a penetrating mode, and the partition plate is transversely installed.

In one embodiment, the shell further comprises two groups of air ports which penetrate through the shell; the two groups of air ports respectively correspond to the air inlet duct and the air outlet duct.

In one embodiment, the microbial degradation device further comprises an air pump and a water pump fixedly installed in the liquid storage chamber.

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

1. VOCs organic waste gas is in the in-process that flows along inlet air duct, carry out preliminary treatment to VOCs organic waste gas through the second shower, VOCs organic waste gas that the second shower spun carries out prewetting and washing to flowing through inlet air duct, through improving the air current humidity in order to reduce and avoid follow-up air current through lower floor's deslagging structure when the dry zone that produces because of rivers distribute inhomogeneously, improve the thoroughness of material exchange and air current purification, and can carry out the slagging-off dust removal to VOCs organic waste gas to a certain extent, improve organic waste gas degradation purification's efficiency and cleanliness factor, combine to adopt the air-equalizing plate to shunt the air current, VOCs organic waste gas air current that is sent into by inlet air duct is for the air current straight rushing in three groups of air-equalizing plate that are arranged in proportion, separate for the air current that the thigh is more even in order to avoid inlet air duct, prevent because of the inhomogeneous rear portion area that arouses of air current rivers distribute and load the undersize the condition in front portion area, guarantee to the degradation purification dynamics of VOCs organic waste gas.

2. The back flush structure that adopts water pipe and shower nozzle to constitute washes the slagging-off structure, washes the residue through the residue that falls with the adhesion and in order to avoid the residue to gather to stabilize purification efficiency. After the purification is finished, the air pump is closed, the water supply driving part corresponding to the water pipe is started, at the moment, the water pipe conveys a clean water source to the back washing area, and water flow is uniformly sprayed out through the spray head to act on a slag removing structure below the water pipe, so that adhered residues are washed off.

In conclusion, the microbial degradation device of the utility model has the advantages that the material exchange and the airflow purification are more thorough, and the efficiency and the cleanliness of the degradation and purification of the organic waste gas are high; the airflow can be equally divided to ensure the degradation and purification strength of the VOCs organic waste gas; the adhered residue can be washed off to avoid accumulation of the residue, thereby stabilizing the purification efficiency.

Drawings

FIG. 1 is the utility model discloses a VOCs organic waste gas handles with microbial degradation device's schematic structure.

Fig. 2 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1 according to the present invention.

Fig. 3 is a partial plan view of fig. 1 according to the present invention.

Description of the main elements

1. A housing; 11. a housing; 12. a partition plate; 13. a liquid storage chamber; 14. a degradation chamber; 15. an air inlet duct; 16. an air outlet duct; 2. a spraying structure; 21. a first shower pipe; 22. a second shower pipe; 3. a deslagging structure; 31. a grid plate; 32. a filler layer; 4. a wind equalizing plate; 5. a backwashing structure; 51. a water pipe; 52. and (4) a spray head.

The present invention is described in further detail with reference to the drawings and the detailed description.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present embodiment provides a microbial degradation apparatus for treating organic waste gases containing VOCs, which is used for purifying organic waste gases containing VOCs. The microbial degradation device pair comprises a shell 1, a spraying structure 2 fixedly installed in the shell 1, two groups of slag removing structures 3 arranged in the shell 1, three groups of air equalizing plates 4, a back washing structure 5 fixedly installed in the shell 1, an air pump and a water pump.

The casing 1 comprises a casing 11, a partition plate 12 fixedly installed in the casing 11, a liquid storage chamber 13, a degradation chamber 14, an air inlet duct 15, an air outlet duct 16 and two air ports penetrating the casing 11. The reservoir 13 is located below the partition 12. The partition board 12 is provided with a through cavity in a penetrating manner, and the partition board 12 is transversely installed. The degradation chamber 14 is located above the liquid storage chamber 13, and the degradation chamber 14 is located at one side of the air inlet duct 15. The air outlet duct 16 is located above the degradation chamber 14. The two groups of air ports respectively correspond to the air inlet duct 15 and the air outlet duct 16. The water pump is fixedly arranged in the liquid storage chamber 13.

The air pump circular telegram is with the inlet air channel 15 in the VOCs organic waste gas suction device that contains partial dust sediment, and the air current is along inlet air channel 15 back of sending into in the shell 11, along supreme degradation chamber 14 that gets into down and carry out purification treatment, and at this moment, the water pump is opened and is contained the microbial inoculum's of storage in the stock solution room 13 purification suction jet structure 2 in, spout downwards backward, utilize the biological function absorption of microorganism to degrade the VOCs organic substance in the waste gas, and the air current continues to rise to air outlet channel 16 after degrading and purifying, and clean gas is along air outlet channel 16 eduction gear. The partition plate 12 separates the degradation chamber 14 from the liquid storage chamber 13, and the spraying liquid is guided back to the liquid storage chamber 13 through a through cavity on the partition plate 12 for recycling.

The spraying structure 2 comprises a first spraying pipe 21 fixedly arranged in the degradation chamber 14 and a second spraying pipe 22 fixedly connected at one end of the first spraying pipe 21. The second shower 22 is located inside the intake air duct 15. One end of the first spraying pipe 21, which is back to the second spraying pipe 22, is vertically and fixedly arranged at a side wall position of the shell 11, which is far away from the air inlet duct 15, in a penetrating manner, and one end of the first spraying pipe 21, which is back to the second spraying pipe 22, is positioned in the liquid storage chamber 13. The second spray pipe 22 is vertically fixed to the housing 11.

This embodiment, VOCs organic waste gas is at the in-process that flows along inlet air channel 15, carry out preliminary treatment to VOCs organic waste gas through second shower 22, second shower 22 spun liquid carries out prewetting and washing to the VOCs organic waste gas that flows through inlet air channel 15, dry zone because of water flow distribution is inhomogeneous when lower floor's slagging-off structure 3 is in order to avoid follow-up air current through improving air current humidity, improve material exchange and air current purification's thoroughness, and can carry out the slagging-off dust removal to VOCs organic waste gas to a certain extent, the efficiency and the cleanliness factor of organic waste gas degradation purification are improved.

The spraying structure 2 is positioned between the two slag removing structures 3. Each set of deslagging structure 3 includes two sets of mesh plates 31 welded within outer shell 11 and a filler layer 32 filled between the two sets of mesh plates 31. The two groups of filler layers 32 are arranged in parallel in the degradation chamber 14, and the filler layers 32 are distributed in parallel above the partition plate 12. Since the packing layer 32 has a plurality of microporous channels, when the rising air flow passes through the packing layer 32 located at the lower layer and fixed by the mesh plate 31, the contact area of the exhaust gas and the purification liquid is large and the rate of the air flow flowing through the plurality of microporous channels in the packing layer 32 is slowed down, so that the exhaust gas and the purification liquid can be uniformly and sufficiently contacted. After the dust, particulate matters and floccules in the waste gas are intercepted, the airflow continuously moves upwards to pass through a filler layer 32 which is positioned at the upper layer and fixed by a grid plate 31, so that the dehydration and deslagging treatment is realized.

The first spray pipe 21 sends the purifying liquid into the degradation chamber 14, the purifying liquid sprayed out by the first spray pipe 21 falls into the packing layer 32 positioned at the lower layer, and wets the packing along the micropore channel, when the spray liquid contacts with the ascending air flow, the purifying liquid added with the microbial inoculum exchanges materials with VOCs organic matters and the like in the air flow, so that the air flow is purified.

The three groups of air equalizing plates 4 are arranged in the air inlet duct 15 and are fixedly arranged at the positions corresponding to the positions of the slag removing structures 3 facing the partition plate 12. The three groups of air-equalizing plates 4 are horizontally distributed, and the air-equalizing plates 4 are vertically arranged on the corresponding grid plates 31. The three groups of air-equalizing plates 4 are arranged in a direct proportion. In other embodiments, more than three sets of air-equalizing plates 4 may be used to divide the air flow. This embodiment adopts the aerofoil 4 to reposition of redundant personnel the air current, and the VOCs organic waste gas air current that is sent into by air inlet duct 15 is for the air current direct impact in order to avoid air inlet duct 15 interior for the more even air current of thigh under three groups are the aerofoil 4 effects of arranging than arranging, prevents the too big and anterior regional underslung condition of load of rear portion because of the inhomogeneous arouses of air current rivers distribution, and the guarantee is to the degradation purification dynamics of VOCs organic waste gas.

The back washing structure 5 comprises a water pipe 51 arranged in the air outlet duct 16 and a plurality of groups of nozzles 52 fixedly arranged on the water pipe 51 facing the deslagging structure 3. One end of the water pipe 51, which faces away from the air inlet duct 15, is vertically fixed to one side wall of the housing 11 in a penetrating manner.

In the present embodiment, the backwashing structure 5 composed of the water pipe 51 and the spray head 52 is used to wash the slag removing structure 3, and the adhered residues are washed off to avoid the accumulation of the residues, thereby stabilizing the purification efficiency. After the purification is finished, the air pump is closed, the water supply driving part corresponding to the water pipe 51 is started, at the moment, the water pipe 51 transports a clean water source to the back washing area, water flow is uniformly sprayed out through the spray head 52 to act on the slag removing structure 3 below the water pipe, and therefore adhered residues are washed off

In summary, the microbial degradation apparatus of the present embodiment has the following advantages over the current microbial degradation apparatus: the material exchange and the airflow purification are thorough, and the organic waste gas degradation and purification efficiency and cleanliness are high; the airflow can be equally divided to ensure the degradation and purification strength of the VOCs organic waste gas; the adhered residue can be washed off to avoid the accumulation of the residue, thereby stabilizing the purification efficiency.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The embodiments described above are described in some detail and detail, but should not be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A little biodegradable device is used in VOCs organic waste gas treatment, includes:

the device comprises a shell (1) and a water tank, wherein the shell comprises a shell (11), a partition plate (12) fixedly arranged in the shell (11), a liquid storage chamber (13) arranged in the shell (11), a degradation chamber (14), an air inlet duct (15) and an air outlet duct (16);

characterized in that the microbial degradation device further comprises:

the spraying structure (2) is fixedly arranged in the shell (1) and comprises a first spraying pipe (21) fixedly arranged in the degradation chamber (14) and a second spraying pipe (22) fixedly connected to one end of the first spraying pipe (21);

the second spraying pipe (22) is positioned inside the air inlet duct (15);

two groups of deslagging structures (3) arranged in the shell (1);

three groups of air-equalizing plates (4) which are arranged in the air inlet duct (15) and are fixedly arranged at the positions corresponding to the positions of the slag removing structures (3) facing the partition plate (12); the three groups of air equalizing plates (4) are arranged in a positive proportion; and

the back washing structure (5) is fixedly arranged in the shell (1) and comprises a water pipe (51) arranged in the air outlet duct (16) and a plurality of groups of spray heads (52) which are fixedly arranged on the water pipe (51) and face the deslagging structure (3).

2. The microbial degradation device for treating VOCs organic waste gas according to claim 1, wherein one end of the first spray pipe (21) facing away from the second spray pipe (22) is vertically and fixedly installed through the casing (11) at a position of a side wall far away from the air inlet duct (15), and one end of the first spray pipe (21) facing away from the second spray pipe (22) is located in the liquid storage chamber (13).

3. The microbial degradation device for treating VOCs organic waste gas of claim 2, wherein the second spray pipe (22) is vertically fixed and penetratingly connected with the housing (11).

4. A microbial degradation device for treating organic waste gases containing VOCs according to claim 1, wherein the spraying structure (2) is located between two sets of the deslagging structures (3); each group of deslagging structures (3) comprises two groups of grid plates (31) welded in the shell (11) and a filler layer (32) filled between the two groups of grid plates (31);

the two groups of the filler layers (32) are arranged in parallel in the degradation chamber (14), and the filler layers (32) are distributed above the partition plate (12) in parallel.

5. The microbial degradation device for treating VOCs organic waste gas according to claim 1 or 4, wherein the three groups of air-equalizing plates (4) are distributed horizontally, and the air-equalizing plates (4) are vertically arranged on the corresponding grid plates (31).

6. The microbial degradation device for treating VOCs organic waste gas according to claim 1, wherein one end of the water pipe (51) facing away from the air inlet duct (15) is vertically and fixedly connected with one side wall of the housing (11) in a penetrating manner.

7. A microbial degradation device for the treatment of organic waste gases containing VOCs according to claim 1, wherein the reservoir (13) is located below the partition (12); the degradation chamber (14) is positioned above the liquid storage chamber (13), and the degradation chamber (14) is positioned on one side of the air inlet duct (15); the air outlet duct (16) is positioned above the degradation chamber (14).

8. The microbial degradation device for treating VOCs organic waste gas of claim 7, wherein the partition plate (12) is provided with a through cavity in a penetrating manner, and the partition plate (12) is transversely installed.

9. A microbial degradation device for treating organic waste gases containing VOCs according to claim 1, wherein the casing (1) further comprises two sets of tuyeres penetrating the casing (11); the two groups of air ports respectively correspond to the air inlet duct (15) and the air outlet duct (16).

10. The microbial degradation device for treating VOCs organic waste gas according to claim 1, further comprising an air pump and a water pump fixedly installed in the liquid storage chamber (13).