CN213853746U - Pollution control facility exhaust gas purification device - Google Patents

Pollution control facility exhaust gas purification device Download PDF

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Publication number
CN213853746U
CN213853746U CN202022512827.4U CN202022512827U CN213853746U CN 213853746 U CN213853746 U CN 213853746U CN 202022512827 U CN202022512827 U CN 202022512827U CN 213853746 U CN213853746 U CN 213853746U
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China
Prior art keywords
biological treatment
shell
exhaust gas
gas purification
photocatalytic oxidation
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CN202022512827.4U
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Chinese (zh)
Inventor
李虎
安子英
贾欢
王云
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Zhengzhou Senlan Environmental Purification Technology Service Co ltd
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Zhengzhou Senlan Environmental Purification Technology Service Co ltd
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Abstract

The utility model relates to a pollution control facility exhaust gas purification device, which comprises a housin, the inside division board by horizontal setting of casing is separated for the biological treatment district that is located the lower part and the photocatalytic oxidation district that is located upper portion, be provided with modified nanometer polyurethane porous packing layer in the biological treatment district, be provided with the air inlet on the lateral wall of the casing that biological treatment district lower part corresponds, be provided with the air inlet on the lateral wall of the casing that biological treatment district upper portion correspondsThe water inlet is connected with a water distribution pipe positioned in the biological treatment area, a plurality of water distribution nozzles are arranged on the water distribution pipe, and a sewage discharge outlet is arranged at the lower part of the shell; the photocatalytic oxidation area is provided with an active carbon filter screen and aluminum-based honeycomb TiO2The side wall of the shell corresponding to the photocatalytic oxidation area is provided with an air outlet; the partition plate is provided with a through hole, and a demister is arranged in the through hole; the utility model has the advantages of high purification efficiency and good purification effect.

Description

Pollution control facility exhaust gas purification device
Technical Field
The utility model belongs to the technical field of the exhaust purification that sewage treatment produced, concretely relates to pollution control facility exhaust purification device.
Background
The sewage treatment station is a place for centralized treatment of urban domestic sewage and industrial sewage, a large amount of odorous waste gas can be produced in the process of treating sewage by using sewage treatment facilities in the sewage treatment station, and the main components of the waste gas comprise VOCs (volatile organic chemicals), CH (CH)4、NH3、H2S、H2And the like, if the exhaust gas is directly discharged into the atmosphere, serious pollution is caused to the air.
In order to purify the waste gas and then discharge the purified waste gas into the atmosphere, the waste gas is purified by adopting a photocatalysis mode in the prior art; chinese utility model patent with publication No. CN203694915U discloses an industrial photo-oxidation catalytic deodorization and purification device, which is provided with a UV tube between an air inlet and an air outlet and a buffer plate coated with titanium dioxide on the surface, and removes organic matters in waste gas by photo-oxidation catalysis from the waste gas treated by a gas-liquid separator; however, the equipment directly treats waste gas generated by sewage treatment, and CHCl in the waste gas is treated3、CCl4And polychlorinated biphenyl and other refractory substances, and VOCs in the exhaust gas cannot be effectively removed, so that the exhaust gas discharged into the atmosphere still contains harmful substances.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art and providing a pollution abatement facility exhaust gas purification device that purification efficiency is high, purifying effect is good.
The technical scheme of the utility model as follows:
pollution control facility waste gas purification device and bagThe device comprises a shell, wherein the interior of the shell is divided into a biological treatment area at the lower part and a photocatalytic oxidation area at the upper part by a transverse division plate, a modified nano polyurethane porous packing layer is arranged in the biological treatment area, an air inlet is arranged on the side wall of the shell corresponding to the lower part of the biological treatment area, a water inlet is arranged on the side wall of the shell corresponding to the upper part of the biological treatment area, the water inlet is connected with a water distribution pipe arranged in the biological treatment area, a plurality of water distribution nozzles are arranged on the water distribution pipe, and a sewage discharge outlet is arranged at the lower part of the shell; the photocatalytic oxidation area is provided with an active carbon filter screen and aluminum-based honeycomb TiO2The side wall of the shell corresponding to the photocatalytic oxidation area is provided with an air outlet; the partition plate is provided with a through hole, and a demister is arranged in the through hole.
Further, the through hole is formed in one end, far away from the air outlet, of the partition plate.
Furthermore, the number of the activated carbon filter screens is at least one, and one of the activated carbon filter screens is arranged at one end, close to the demister, of the partition plate.
Further, the aluminum-based honeycomb TiO is2The number of the photocatalyst plates is a plurality of aluminum-based honeycomb TiO2The photocatalyst plates are sequentially arranged from the activated carbon filter screen to the shell at the air outlet, and two adjacent aluminum-based honeycomb TiO are arranged2An ultraviolet lamp tube is arranged between the photocatalyst plates.
Furthermore, the shell walls corresponding to the biological treatment area and the photocatalytic oxidation area are provided with access holes.
Furthermore, the water inlet is arranged on the corresponding side wall of the shell at the upper part of the biological treatment area, and the water outlet direction of the water distribution spray head faces downwards.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a division board is cut apart into the photocatalytic oxidation district and the biological treatment district of arranging from top to bottom with the casing, and modified nanometer polyurethane porous packing layer through in the biological treatment district adheres to the microorganism, through in the waste gas that nitrogen, phosphorus and the sewage treatment facility production in the adnexed microorganism consumption sewageVOCs and fraction H of2S, further treating the waste gas through a photocatalytic oxidation area and then discharging the waste gas to the atmosphere so as to improve the cleanliness of the tail gas;
2. the utility model fully purifies the harmful gas in the waste gas generated by the sewage treatment facility by combining the biological treatment area and the photocatalytic oxidation area, and effectively deodorizes the waste gas; active carbon filter screen, aluminum-based honeycomb TiO, especially photocatalytic oxidation zone2The photocatalyst plate and the ultraviolet lamp tube can thoroughly remove harmful gases in the waste gas, and one-time purification is carried out by depending on the flow characteristics of the gases, so that the purification efficiency of the waste gas is effectively improved;
in a word, the utility model has the advantages of purification efficiency is high, purifying effect is good.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, A, a biological treatment area, B, a photocatalytic oxidation area, 1, an air inlet, 2, a modified nano polyurethane porous packing layer, 3, a water inlet, 4, a water distribution nozzle, 5, a sewage outlet, 7, a demister, 8, an access hole, 9, an activated carbon filter screen, 10 and an aluminum-based honeycomb TiO 102Photocatalyst board, 11, ultraviolet lamp tube, 12, gas outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.
As shown in figure 1, the waste gas purification device for the pollution treatment facility comprises a shell, the interior of the shell is divided into a biological treatment area A at the lower part and a photocatalytic oxidation area B at the upper part by a transverse division plate, a modified nano polyurethane porous filler layer 2 is arranged in the biological treatment area A, and the side wall of the shell corresponding to the lower part of the biological treatment area is provided with a modified nano polyurethane porous filler layerThe biological treatment device is provided with an air inlet 1, a water inlet 3 is arranged on the side wall of the shell corresponding to the upper part of the biological treatment area A, the water inlet 3 is connected with a water distribution pipe positioned in the biological treatment area, a plurality of water distribution nozzles 4 are arranged on the water distribution pipe, and a sewage outlet 5 is arranged at the lower part of the shell; the photocatalytic oxidation area B is provided with an active carbon filter screen 9 and an aluminum-based honeycomb TiO2The photocatalytic oxidation device comprises a photocatalytic plate 10 and an ultraviolet lamp tube 11, wherein an air outlet 12 is formed in the side wall of a shell corresponding to a photocatalytic oxidation area B; the partition plate is provided with a through hole, and a demister 7 is arranged in the through hole.
In this embodiment, the through hole is formed at one end of the partition plate far from the air outlet 12, specifically, the air outlet 12 is a square opening formed at the end of the partition plate, and the demister 7 is installed in the square opening; at least one activated carbon filter screen 9 is provided, preferably two activated carbon filter screens 9 are provided, wherein one activated carbon filter screen 9 is arranged at one end of the partition plate close to the demister 7, and the other activated carbon filter screen 9 is arranged at one end of the partition plate close to the air outlet 12; the aluminum-based honeycomb TiO2The photocatalyst plates 10 are in a plurality of numbers, and a plurality of the aluminum-based honeycomb TiO are arranged2The photocatalyst plates 10 are sequentially arranged from the activated carbon filter screen 9 to the position of the shell with the air outlet 12, and two adjacent aluminum-based honeycombs Ti02An ultraviolet lamp tube 11 is arranged between the photocatalyst plates 10; preferably, the aluminum-based honeycomb TiO is24 photocatalyst plates 10, 11 ultraviolet lamp tubes and aluminum-based honeycomb TiO2The photocatalyst plate 10 and the ultraviolet lamp tube 11 are arranged between the two activated carbon filter screens 9, thereby passing through the activated carbon filter screens 9 and the aluminum-based honeycomb TiO2The photocatalyst plate 10 and the ultraviolet lamp tube 11 remove VOCs, pathogenic bacteria and CH in the waste gas4、NH3、H2Iso-oxidation to CO2And H2And O and the like.
In the embodiment, the shell walls corresponding to the biological treatment area A and the photocatalytic oxidation area B are respectively provided with an access opening 8, and the biological treatment area A and the photocatalytic oxidation area B inside the shell are overhauled through the access openings 8; in specific implementation, a sealing plate is installed on the access hole 8 through a bolt.
In this embodiment, water inlet 3 sets up on the corresponding casing lateral wall in biological treatment district A upper portion, the play water direction of water distribution shower nozzle 4 is down, water inlet 3 passes through the good oxygen pond of tube coupling sewage treatment station, in order to guarantee water supply speed, can install the water pump on the pipeline, provides water supply pressure through the water pump.
The utility model discloses when using, air inlet 1 feeds the waste gas that each facility of sewage treatment station produced through the pipeline, and the principal ingredients of waste gas has VOCs, CH4、NH3、H2S、H2The mixed liquid in the aerobic tank of the sewage treatment station is delivered to the water inlet 3 through a pipeline provided with a water pump, the mixed liquid is discharged through the water distribution nozzle 4, and the water outlet direction of the water distribution nozzle 4 is arranged downwards, so that the mixed liquid can flow downwards from the modified nano polyurethane porous packing layer 2; the modified nano polyurethane porous filler layer 2 is of a porous structure, has the characteristics of large specific surface area, high porosity, light weight and long service life, and is very suitable for the attachment growth of microorganisms, so that a layer of biomembrane is formed on the surface of each hole of the modified nano polyurethane porous filler layer 2, and the introduced waste gas is deodorized and purified by the biomembrane; under the synergistic effect of various microbes in the biomembrane, the biological membrane can carry out anabolism on VOCs and nitrogen, phosphorus and the like in sewage as nutrient substances, and can remove a certain amount of H2S; the waste gas after the primary treatment of the biological treatment area A passes through the demister 7 to remove most of moisture and enters the photocatalytic oxidation area B, then the waste gas passes through the activated carbon filter screen 9 to further remove the contained moisture, simultaneously adsorbs VOCs which cannot be removed in the biological treatment area A, and then is subjected to aluminum-based honeycomb TiO2The photocatalytic oxidation reaction is carried out under the action of the photocatalyst plate 10 and the ultraviolet lamp tube 11 to remove the pathogenic bacteria and CH in the exhaust gas4、NH3、H2Iso-oxidation to CO2And H2Inorganic substances such as O and the like are finally filtered by the activated carbon filter screen 9 at the air outlet 12 and then enter the atmosphere through the air outlet 12; in the process of continuously supplementing the mixed liquid, the redundant sewage and the washed biological membrane are discharged through the sewage outlet 5.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a pollution control facility exhaust gas purification device, includes the casing, its characterized in that: the interior of the shell is divided into a biological treatment area at the lower part and a photocatalytic oxidation area at the upper part by a transverse division plate, a modified nano polyurethane porous packing layer is arranged in the biological treatment area, an air inlet is arranged on the side wall of the shell corresponding to the lower part of the biological treatment area, a water inlet is arranged on the side wall of the shell corresponding to the upper part of the biological treatment area, the water inlet is connected with a water distribution pipe arranged in the biological treatment area, a plurality of water distribution nozzles are arranged on the water distribution pipe, and a sewage discharge outlet is arranged at the lower part of the shell; the photocatalytic oxidation area is provided with an active carbon filter screen and aluminum-based honeycomb TiO2The side wall of the shell corresponding to the photocatalytic oxidation area is provided with an air outlet; the partition plate is provided with a through hole, and a demister is arranged in the through hole.
2. The pollution abatement facility exhaust gas purification apparatus of claim 1, wherein: the through hole is formed in one end, far away from the air outlet, of the partition plate.
3. The pollution abatement facility exhaust gas purification apparatus of claim 2, wherein: the number of the activated carbon filter screens is at least one, and one of the activated carbon filter screens is arranged at one end, close to the demister, of the partition plate.
4. The pollution abatement facility exhaust gas purification apparatus of claim 3, wherein: the aluminum-based honeycomb TiO2The number of the photocatalyst plates is a plurality of aluminum-based honeycomb TiO2The photocatalyst plate is arranged from the active carbon filter screen toThe shell is provided with air outlets which are arranged in sequence, and two adjacent aluminum-based honeycomb TiO are arranged2An ultraviolet lamp tube is arranged between the photocatalyst plates.
5. The pollution abatement facility exhaust gas purification apparatus of claim 1, wherein: and the shell walls corresponding to the biological treatment area and the photocatalytic oxidation area are provided with access holes.
6. The pollution abatement facility exhaust gas purification apparatus of claim 1, wherein: the water inlet is arranged on the corresponding side wall of the shell at the upper part of the biological treatment area, and the water outlet direction of the water distribution spray head faces downwards.
CN202022512827.4U 2020-11-02 2020-11-02 Pollution control facility exhaust gas purification device Active CN213853746U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022512827.4U CN213853746U (en) 2020-11-02 2020-11-02 Pollution control facility exhaust gas purification device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022512827.4U CN213853746U (en) 2020-11-02 2020-11-02 Pollution control facility exhaust gas purification device

Publications (1)

Publication Number Publication Date
CN213853746U true CN213853746U (en) 2021-08-03

Family

ID=77052975

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022512827.4U Active CN213853746U (en) 2020-11-02 2020-11-02 Pollution control facility exhaust gas purification device

Country Status (1)

Country Link
CN (1) CN213853746U (en)

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