CN112717637A - Waste gas treatment system in fertilizer production process - Google Patents
Waste gas treatment system in fertilizer production process Download PDFInfo
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- CN112717637A CN112717637A CN202011380339.0A CN202011380339A CN112717637A CN 112717637 A CN112717637 A CN 112717637A CN 202011380339 A CN202011380339 A CN 202011380339A CN 112717637 A CN112717637 A CN 112717637A
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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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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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
- B01D53/007—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 irradiation
-
- 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
- B01D53/14—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 absorption
-
- 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
- B01D53/14—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 absorption
- B01D53/1456—Removing acid components
- B01D53/1468—Removing hydrogen sulfide
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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
- B01D53/14—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 absorption
- B01D53/1487—Removing organic compounds
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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
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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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
- B01D53/84—Biological processes
- B01D53/85—Biological processes with gas-solid contact
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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
- B01D2257/30—Sulfur compounds
- B01D2257/304—Hydrogen sulfide
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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
- B01D2257/40—Nitrogen compounds
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a waste gas treatment system in the production process of organic fertilizer, which relates to the technical field of waste gas treatment and comprises a fermentation chamber, wherein the top of the fermentation chamber is provided with a plurality of gas guide hoods communicated with the fermentation chamber, the gas guide hoods are connected with a water washing tower through gas inlet pipes, the water washing tower is connected with a gas collecting box at the bottom of the side wall of a biological filter bed through gas guide pipes, the inner wall of the bottom of the biological filter bed is uniformly provided with a plurality of partition plates, the upper ends of the partition plates are connected with a filter plate, the partition plates and the inner wall of the biological filter bed form a gas inlet chamber, the side wall of the biological filter bed is respectively provided with a vent hole communicated with the gas collecting box corresponding to each gas inlet chamber, the filter plate is respectively provided with a filter hole penetrating through the filter plate; the invention has the advantages of convenient use, obvious decomposition effect on waste gas, capability of effectively reducing pollutants in the waste gas and meeting the requirements of national standards and the like.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to a waste gas treatment system in an organic fertilizer production process.
Background
Storage at the fertilizer, the fermentation, there is foul gas to escape in the compost process, the foul gas principal ingredients is NH3, H2S etc., can contain a small amount of other volatile organic waste gas in the waste water of production simultaneously, these foul gas molecules all have easily volatilizing, the boiling point is low, characteristics such as smell value of expression is big, the constantly outwards release of foul gas molecule that the inorganization discharged, serious polluted environment, influence staff operational environment and peripheral resident quality of life, consequently, need handle the waste gas that the fertilizer produced, current treatment methods are mainly through pickling, treatment methods such as washing, this kind of waste gas treatment mode is comparatively simple, and the treatment effect is unsatisfactory, consequently, this application has set up the exhaust treatment system in the fertilizer production process.
Disclosure of Invention
The invention aims to provide a waste gas treatment system in an organic fertilizer production process, which is used for solving the problem of poor waste gas treatment effect in the organic fertilizer production process in the prior art described in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a waste gas treatment system in the production process of organic fertilizer comprises a fermentation chamber, wherein the top of the fermentation chamber is provided with a plurality of air guide covers communicated with the fermentation chamber, the air guide covers are connected with a water washing tower through air inlet pipes, the air inlet pipes are provided with first fans, the water washing tower is connected with a gas collecting box at the bottom of the side wall of a biological filter bed through air guide pipes, the air guide pipes are provided with second fans, the inner wall of the bottom of the biological filter bed is uniformly provided with a plurality of partition plates, the upper ends of the partition plates are connected with filter plates, the partition plates and the inner wall of the biological filter bed form an air inlet chamber, the positions of the side wall of the biological filter bed corresponding to each air inlet chamber are respectively provided with air vents communicated with the gas collecting box, the positions of the filter plates corresponding to each air inlet chamber are respectively provided with filter holes penetrating through the filter plates, the upper surfaces of the filter plates are provided with filter layers, the upper, and a third fan is arranged on the vent pipe.
Preferably: the filter layer is formed by laying wet rice straws.
Preferably: the filter layer is filled with active microbial strains.
The active microbial strains comprise at least two microbial strains of pseudomonas fluorescens, bacillus phenylalis and thiobacillus.
Preferably: the air inlet pipe, the air guide pipe and the air vent pipe are all made of organic glass steel.
Preferably: the air inlet pipe is also communicated with the organic fertilizer storage chamber.
The beneficial effect of adopting above technical scheme is:
the fertilizer storage and the gaseous washing tower that produces of fermentation pass through, the acid wash tower, the washing of alkaline wash tower can be got rid of the part and remove hydrogen sulfide, low grade fatty acid, foul smell material such as ammonia nitrogen, then the absorption of active microbial species on the filtering layer in the biological filter bed of rethread to foul smell material, absorption and degradation function, through air inlet chamber and the filtration pore that sets up, can make even and the filtering layer contact of foul smell material, improve and filter the degradation effect, UV photolysis equipment through setting up can carry out processing once more to the waste gas after the filtering layer is handled, thereby the quality of effectual improvement exhaust air.
Drawings
FIG. 1 is a schematic structural diagram of one side of a waste gas treatment system in the organic fertilizer production process.
FIG. 2 is a top view of the biofilter bed of the present invention.
Wherein: the device comprises a fermentation chamber 10, an air guide hood 11, an air inlet pipe 12, a first fan 13, a water washing tower 20, an air guide pipe 30, a second fan 40, a biological filter bed 50, an air collection box 51, a partition plate 52, an air vent 53, a filter plate 54, a filter hole 55, a filter layer 56, a UV photolysis device 60, an air vent pipe 61 and a third fan 62.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the embodiment, as shown in fig. 1-2, in the embodiment, a waste gas treatment system in an organic fertilizer production process includes a fermentation chamber 10, a plurality of air guide hoods 11 communicated with the fermentation chamber 10 are disposed at the top of the fermentation chamber 10, the air guide hoods 11 are connected with a water washing tower 20 through air inlet pipes 12, a first fan 13 is disposed on the air inlet pipes 12, the water washing tower 20 is connected with a gas collection box 51 at the bottom of a side wall of a biological filter bed 50 through air guide pipes 30, a second fan 40 is disposed on the air guide pipes 30, a plurality of partition plates 52 are uniformly disposed on an inner wall of the bottom of the biological filter bed 50, the upper ends of the partition plates 52 are connected with a filter plate 54, the partition plates 52 and an inner wall of the biological filter bed 50 form an air inlet chamber, vent holes 53 communicated with the gas collection box 51 are respectively disposed at positions of the side wall of the biological filter bed 50 corresponding to each air inlet chamber, filter holes 55 penetrating through the filter plate 54 are respectively disposed, the upper surface of the filter plate 54 is provided with a filter layer 56, the upper end cover body of the biological filter bed 50 is further connected with a UV photolysis device 60 through a vent pipe 61, and the vent pipe 61 is provided with a third fan 62.
Preferably: the filter layer 56 is laid by wet rice straw.
Preferably: the filter layer 56 is filled with active microbial species.
Preferably: the active microbial strains comprise at least two microbial strains of pseudomonas fluorescens, bacillus phenylalis and thiobacillus.
Preferably: the air inlet pipe 12, the air guide pipe 21 and the air vent pipe 61 are all made of organic glass steel.
Preferably: the air inlet pipe 12 is also communicated with an organic fertilizer storage chamber.
The specific implementation manner of this embodiment:
when the device is used, waste gas in the organic fertilizer fermentation chamber 10 and the storage chamber is introduced into the water washing tower 20 through the first fan 13, then the waste gas is introduced into the air inlet chamber through the second fan 40, the gas entering the air inlet chamber passes through the filter holes 55 to enter the filter layer 56, the waste gas is absorbed and decomposed into simple inorganic substances such as CO2, H2O, H2SO4 and HNO3 through active microbial strains on rice straws in the filter layer 56, a small part of the waste gas is not completely decomposed, then the waste gas in the biological filter bed 50 is decomposed and purified again through the UV photolysis 60 through the third fan 62, and then the waste gas is discharged, and the waste gas at the moment can reach the standard-meeting discharged waste gas. (Table 1 concentration value of pollutants in exhaust gas discharged)
Table 1 concentration values of pollutants in exhaust gas discharged
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (6)
1. The utility model provides a waste gas treatment system in fertilizer production process, includes the fermentation chamber, its characterized in that: the top of the fermentation chamber is provided with a plurality of air guide hoods communicated with the fermentation chamber, the air guide hoods are connected with the water scrubbing tower through air inlet pipes, and the air inlet pipe is provided with a first fan, the water washing tower is connected with a gas collecting box at the bottom of the side wall of the biological filter bed through an air duct, and the air duct is provided with a second fan, the inner wall of the bottom of the biological filter bed is uniformly provided with a plurality of partition plates, the upper ends of the partition plates are connected with the filter plate, and the filter plate, the clapboard and the inner wall of the biological filter bed form an air inlet chamber, the side wall of the biological filter bed is respectively provided with a vent hole communicated with the air collecting box corresponding to the position of each air inlet chamber, the positions of the filter plate corresponding to the air inlet chambers are respectively provided with a filter hole penetrating through the filter plate, the upper surface of the filter plate is provided with a filter layer, the upper end cover body of biological filter bed still is connected with UV photodissociation equipment through the breather pipe, and is provided with the third fan on the breather pipe.
2. The waste gas treatment system in the organic fertilizer production process as claimed in claim 1, wherein the filter layer is laid by wet rice straws.
3. The waste gas treatment system in the organic fertilizer production process as claimed in claim 2, wherein the filter layer is filled with active microbial strains.
4. The waste gas treatment system in the organic fertilizer production process of claim 3, wherein the active microbial strains comprise at least two microbial strains of pseudomonas fluorescens, bacillus phenylalis and bacillus thioparus.
5. The waste gas treatment system in the organic fertilizer production process of any one of claims 1 to 4, wherein the air inlet pipe, the air guide pipe and the air vent pipe are all made of organic glass steel.
6. The waste gas treatment system in the organic fertilizer production process is characterized in that the air inlet pipe is also communicated with an organic fertilizer storage chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011380339.0A CN112717637A (en) | 2021-03-30 | 2021-03-30 | Waste gas treatment system in fertilizer production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011380339.0A CN112717637A (en) | 2021-03-30 | 2021-03-30 | Waste gas treatment system in fertilizer production process |
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| Publication Number | Publication Date |
|---|---|
| CN112717637A true CN112717637A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011380339.0A Pending CN112717637A (en) | 2021-03-30 | 2021-03-30 | Waste gas treatment system in fertilizer production process |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2591122A1 (en) * | 1985-12-11 | 1987-06-12 | Saps Anticorrosion | Process for gas purification and deodorisation and plant for implementing this process |
| DE3727269A1 (en) * | 1987-08-15 | 1989-02-23 | Gethke Hans Gerd Dr Ing | Gas feed and distribution device for a gas purification plant or digestion plant |
| CN201470310U (en) * | 2009-05-04 | 2010-05-19 | 福建高科环保研究院有限公司 | Combined filtering and deodorizing device for washing biotrickling filter |
| CN205019955U (en) * | 2015-09-23 | 2016-02-10 | 广州市新之地环保产业有限公司 | Biological deodorization support of packing |
| CN106984155A (en) * | 2017-05-22 | 2017-07-28 | 东莞市莞碧环保工程有限公司 | A kind of feed manufacturing peculiar odor treatment technique and its equipment |
| CN207221690U (en) * | 2017-08-02 | 2018-04-13 | 江苏连邦环境工程有限公司 | A kind of lifting adjustment type deodorization device of biological filter |
| CN212068338U (en) * | 2020-04-26 | 2020-12-04 | 上海双昊环保科技有限公司 | Integrated bio-trickling filtration waste gas treatment equipment |
| CN112426862A (en) * | 2020-11-20 | 2021-03-02 | 广州市凯卫莎环保科技有限公司 | Process technology for waste gas treatment and process system thereof |
-
2021
- 2021-03-30 CN CN202011380339.0A patent/CN112717637A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2591122A1 (en) * | 1985-12-11 | 1987-06-12 | Saps Anticorrosion | Process for gas purification and deodorisation and plant for implementing this process |
| DE3727269A1 (en) * | 1987-08-15 | 1989-02-23 | Gethke Hans Gerd Dr Ing | Gas feed and distribution device for a gas purification plant or digestion plant |
| CN201470310U (en) * | 2009-05-04 | 2010-05-19 | 福建高科环保研究院有限公司 | Combined filtering and deodorizing device for washing biotrickling filter |
| CN205019955U (en) * | 2015-09-23 | 2016-02-10 | 广州市新之地环保产业有限公司 | Biological deodorization support of packing |
| CN106984155A (en) * | 2017-05-22 | 2017-07-28 | 东莞市莞碧环保工程有限公司 | A kind of feed manufacturing peculiar odor treatment technique and its equipment |
| CN207221690U (en) * | 2017-08-02 | 2018-04-13 | 江苏连邦环境工程有限公司 | A kind of lifting adjustment type deodorization device of biological filter |
| CN212068338U (en) * | 2020-04-26 | 2020-12-04 | 上海双昊环保科技有限公司 | Integrated bio-trickling filtration waste gas treatment equipment |
| CN112426862A (en) * | 2020-11-20 | 2021-03-02 | 广州市凯卫莎环保科技有限公司 | Process technology for waste gas treatment and process system thereof |
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