CN111298591A - Biological carbon photocatalysis waste gas treatment technical device - Google Patents
Biological carbon photocatalysis waste gas treatment technical device Download PDFInfo
- Publication number
- CN111298591A CN111298591A CN202010265902.3A CN202010265902A CN111298591A CN 111298591 A CN111298591 A CN 111298591A CN 202010265902 A CN202010265902 A CN 202010265902A CN 111298591 A CN111298591 A CN 111298591A
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- CN
- China
- Prior art keywords
- biochar
- waste gas
- unit
- gas treatment
- treatment technical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/91—Bacteria; Microorganisms
Abstract
The invention relates to the technical field of waste gas treatment technical devices, in particular to a biochar photocatalysis waste gas treatment technical device; the device comprises a device main body, wherein the front end of the device main body is provided with an air inlet, the tail end of the device main body is connected with an air outlet, the air outlet is connected with a fan, the middle part of the device main body is sequentially and adjacently provided with a spraying unit, a biochar unit and a photocatalytic unit, and the biochar unit is filled with biochar; the invention treats the waste gas by spraying, biological adsorption and photocatalysis, can degrade the adsorbed pollutants by the oxidation-reduction capability of the biochar while adsorbing the pollutants in the waste gas, has good waste gas treatment effect, can be used for a long time and has low maintenance cost.
Description
Technical Field
The invention relates to the technical field of waste gas treatment technical devices, in particular to a biochar photocatalysis waste gas treatment technical device.
Background
At present, the industrial development is rapid, the air pollution condition is more serious, and the development and the application of the waste gas purification device are also difficult. Common active carbon purifier in market is because possessing good adsorption effect, can adsorb and get rid of a large amount of organic pollutants, nevertheless can not effectively degrade to some pollutants on adsorbing the active carbon, leads to the easy saturation of active carbon adsorbent, needs frequent change or regeneration, wastes time and energy, and the cost is higher.
Therefore, in view of the above-mentioned drawbacks of the prior art exhaust gas treatment devices, there is a need for an improvement of the prior art exhaust gas treatment devices.
Disclosure of Invention
The invention aims to provide a biochar photocatalytic waste gas treatment technical device aiming at the defects of the prior art, and the biochar photocatalytic waste gas treatment technical device solves the problems that the existing waste gas treatment technical device is as follows: poor waste gas treatment effect, high cost and the like.
In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a charcoal photocatalysis exhaust-gas treatment technical device, includes equipment principal, and equipment principal's front end has the air intake, and equipment principal's end-to-end connection has the air exit, and the fan is connected to the air exit, and equipment principal's middle part is adjacent in proper order to be provided with and sprays unit, charcoal unit, photocatalysis unit, packs the charcoal in the charcoal unit.
The air inlet is in a horn shape with a small front and a large back, and the rear end of the air inlet is connected with the spraying unit.
And a plurality of ultraviolet lamp tubes are arranged in the photocatalytic unit.
Furthermore, the top of the ultraviolet lamp tube is fixed and vertically arranged in the photocatalysis unit, and the ultraviolet lamp tubes are provided with a plurality of rows.
And a photocatalyst carrier is also vertically arranged in the photocatalytic unit.
The ultraviolet lamp tube is an electrodeless lamp tube.
The invention has the beneficial effects that: through spraying, biological absorption, photocatalysis are handled waste gas, when adsorbing the waste gas pollutant, can degrade adsorbed pollutant through the redox ability of biological charcoal self, and exhaust-gas treatment is effectual, can use for a long time, and the maintenance cost is low.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
The invention has the following label names: the device comprises a device body 1, an air inlet 11, an air outlet 12, a fan 13, a spraying unit 2, a spray head 21, a biochar unit 3, a photocatalytic unit 4, an ultraviolet lamp 41 and a photocatalyst carrier 42.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, the technical device for treating biochar photocatalytic waste gas comprises an equipment main body 1, wherein an air inlet 11 is formed in the front end of the equipment main body 1, an air outlet 12 is connected to the tail end of the equipment main body 1, the air outlet 12 is connected with a fan 13, and a spraying unit 2, a biochar unit 3 and a photocatalytic unit 4 are arranged in the middle of the equipment main body 1.
The spraying unit 2, the biochar unit 3 and the photocatalytic unit 4 are sequentially and adjacently arranged.
The air inlet 11 of the invention is in a horn shape with a small front and a big back, the back end of the air inlet 11 is connected with the spraying unit 2, and the top of the spraying unit 2 is provided with a plurality of spray heads 21.
According to the invention, the biochar unit 3 is filled with biochar, raw materials for preparing the biochar by filling the biochar unit 3 are straw, rice hulls, charcoal and bamboo poles, preferably, the raw materials for preparing the biochar are the rice hulls, the preparation temperature of the raw materials for preparing the biochar is 500-650 ℃ in an anoxic atmosphere, and the preparation time is 1-6 hours, so that the biochar used by the invention is prepared. Besides the adsorption performance, the biochar can degrade adsorbed organic matters due to a large number of functional groups on the surface of the biochar. The biochar of the invention contains 33 percent of ash, H/C is about 0.3, (N + O)/C is about 0.13, pH is about 8.8, and oxygen-containing functional groups on the surface of the biochar reach 1.78 mmol/g.
A plurality of ultraviolet lamp tubes 41 are arranged in the photocatalytic unit 4, the tops of the ultraviolet lamp tubes 41 are fixed and vertically arranged in the photocatalytic unit 4, and the ultraviolet lamp tubes 41 are arranged in a plurality of rows.
The photocatalyst carrier 42 is vertically installed in the photocatalytic unit 4 of the present invention, and the photocatalyst carrier 42 is a metal mesh, and the photocatalyst is sprayed on the surface of the metal mesh.
The photocatalyst carriers 42 of the present invention are positioned between the rows of ultraviolet lamps 41, and the edges of the photocatalyst carriers 42 are fixed to the inner wall of the photocatalytic unit 4.
The photocatalyst sprayed on the photocatalyst carrier 42 is P25 photocatalytic material.
The ultraviolet lamp 41 is an electrodeless lamp.
Waste gas is powered by the fan 13 to enter the equipment from the air inlet 11, and solid particles and water-soluble substances in the waste gas are removed by spraying liquid from the spray head 21.
The waste gas that sprays passes through biological carbon unit 3, through the adsorption degradation effect of biological charcoal, gets rid of pollutants such as VOCs in the waste gas, gets rid of the moisture in the waste gas after spraying simultaneously.
The exhaust gas purified by the biochar unit 3 passes through the photocatalytic unit 4, and pollutants and bacteria which are not removed by the biochar unit 3 in the exhaust gas are removed by the ultraviolet light emitted by the ultraviolet lamp 41 and the action of the P25 photocatalyst on the catalytic photocatalyst carrier 42.
According to the invention, solid particles in the waste gas can be washed away by spraying, and meanwhile, part of components dissolved in water can be removed, the biochar unit can adsorb and degrade pollutants and can also remove water and solid particles which are not removed by spraying, the photocatalysis unit not only ensures the removal effect of the pollutants, but also can effectively kill bacteria in the waste gas, ensures that the gas emission reaches the standard stably, has a good waste gas treatment effect, can degrade adsorbed organic matters, and does not need to be replaced frequently.
It is to be understood that the above-described embodiments are merely preferred examples of the present invention and are not intended to limit the scope of the invention, so that equivalent changes or modifications in the structure, features and principles of the invention as described in the claims should be included in the claims.
Claims (6)
1. A charcoal photocatalysis exhaust-gas treatment technical device which is characterized in that: the device comprises a device main body, wherein an air inlet is formed in the front end of the device main body, the tail end of the device main body is connected with an air outlet, the air outlet is connected with a fan, a spraying unit, a biochar unit and a photocatalytic unit are sequentially and adjacently arranged in the middle of the device main body, and biochar is filled in the biochar unit.
2. The biochar photocatalytic waste gas treatment technical device according to claim 1, characterized in that: the air inlet is in a horn shape with a small front and a large back, and the rear end of the air inlet is connected with the spraying unit.
3. The biochar photocatalytic waste gas treatment technical device according to claim 1, characterized in that: and a plurality of ultraviolet lamp tubes are arranged in the photocatalytic unit.
4. The biochar photocatalytic waste gas treatment technical device according to claim 3, characterized in that: the top of the ultraviolet lamp tube is fixed and vertically arranged in the photocatalysis unit, and the ultraviolet lamp tube is provided with a plurality of rows.
5. The biochar photocatalytic waste gas treatment technical device according to claim 1, characterized in that: and a photocatalyst carrier is also vertically arranged in the photocatalytic unit.
6. The biochar photocatalytic waste gas treatment technical device according to claim 3, characterized in that: the ultraviolet lamp tube is an electrodeless lamp tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010265902.3A CN111298591A (en) | 2020-04-03 | 2020-04-03 | Biological carbon photocatalysis waste gas treatment technical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010265902.3A CN111298591A (en) | 2020-04-03 | 2020-04-03 | Biological carbon photocatalysis waste gas treatment technical device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111298591A true CN111298591A (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010265902.3A Withdrawn CN111298591A (en) | 2020-04-03 | 2020-04-03 | Biological carbon photocatalysis waste gas treatment technical device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111298591A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112755955A (en) * | 2020-12-24 | 2021-05-07 | 赣南师范大学 | Preparation method of light honeycomb molecular sieve purification module |
| CN113429104A (en) * | 2021-07-30 | 2021-09-24 | 深圳市绿水青山环境有限公司 | Urban public toilet excrement up-to-standard micro-discharge treatment system and use method thereof |
-
2020
- 2020-04-03 CN CN202010265902.3A patent/CN111298591A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112755955A (en) * | 2020-12-24 | 2021-05-07 | 赣南师范大学 | Preparation method of light honeycomb molecular sieve purification module |
| CN113429104A (en) * | 2021-07-30 | 2021-09-24 | 深圳市绿水青山环境有限公司 | Urban public toilet excrement up-to-standard micro-discharge treatment system and use method thereof |
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Application publication date: 20200619 |