CN210229624U - Compost fermentation waste gas deodorizing device - Google Patents
Compost fermentation waste gas deodorizing device Download PDFInfo
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- CN210229624U CN210229624U CN201920834327.7U CN201920834327U CN210229624U CN 210229624 U CN210229624 U CN 210229624U CN 201920834327 U CN201920834327 U CN 201920834327U CN 210229624 U CN210229624 U CN 210229624U
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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
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- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The utility model discloses a compost fermentation waste gas deodorizing device, include: the chemical washing tower is used for removing water-soluble malodorous substances, acidic malodorous substances and alkaline malodorous substances in the compost fermentation waste gas; the biological soil filter tank is used for biologically deodorizing compost fermentation waste gas after chemical washing. The waste gas enters a chemical washing tower through an air inlet pipe for chemical washing to remove most of water-soluble malodorous substances, acidic malodorous substances and alkaline malodorous substances in the waste gas; and introducing the waste gas after chemical washing into a biological soil filter, and removing residual malodorous substances in the waste gas by using microorganisms in soil. This compost fermentation waste gas deodorizing device combines together chemical washing deodorization and biological deodorization, has effectively improved the deodorant effect to compost fermentation waste gas.
Description
Technical Field
The utility model relates to a waste gas treatment device technical field particularly, relates to a compost fermentation waste gas deodorizing device.
Background
In the composting fermentation process, some malodorous gases are generated, and the malodorous gases mainly contain harmful and toxic gases such as ammonia gas, hydrogen sulfide, methane, methyl mercaptan and the like. If these gases are not treated, they can be harmful to human bodies, the environment and equipment. Because the malodorous gas components generated in the composting fermentation process are relatively complex, the deodorization effect of the prior common deodorization device is not ideal. Therefore, it is necessary to develop a deodorizing device for treating malodorous gases generated during the fermentation of compost, which has a better deodorizing effect.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a compost fermentation waste gas deodorizing device to solve the problem that deodorizing device among the prior art is not good to the deodorizing effect of the foul gas that the compost fermentation process produced.
In order to achieve the above object, the utility model provides a compost fermentation waste gas deodorizing device, this compost fermentation waste gas deodorizing device includes: the chemical washing tower is used for removing water-soluble malodorous substances, acidic malodorous substances and alkaline malodorous substances in the compost fermentation waste gas; the biological soil filter tank is used for biologically deodorizing compost fermentation waste gas after chemical washing.
Further, the biological soil filter comprises: a filter body; the active soil layer is buried in the filter tank body and contains microorganisms for deodorizing compost fermentation waste gas; and the gas distribution device is communicated with the exhaust pipe and is embedded in the active soil layer.
Further, the gas distribution device comprises a gas distribution main pipe and a plurality of gas distribution branch pipes, the gas distribution main pipe is communicated with the exhaust pipe, the plurality of gas distribution branch pipes are respectively communicated with the gas distribution main pipe, and a plurality of gas distribution holes are formed in the gas distribution main pipe.
Furthermore, green lawns are planted on the upper layer of the active soil layer.
Furthermore, a lawn spraying system used for spraying water and humidifying the greening lawn is arranged in the greening lawn.
Further, the chemical scrubber comprises: the gas inlet pipe is communicated with the lower part of the pickling tower, and a pickling solution spray head is arranged in the pickling tower; the lower part of the alkaline tower is communicated with the top of the acid washing tower through a connecting pipeline, the exhaust pipe is communicated with the top of the alkaline tower, a centrifugal fan is installed on the exhaust pipe, and an alkaline washing liquid spray head is installed in the alkaline tower.
Furthermore, a pickling solution circulating pipe is arranged on the pickling tower, one end of the pickling solution circulating pipe is communicated with the lower part of the pickling tower, the other end of the pickling solution circulating pipe is communicated with a pickling solution nozzle, and a pickling solution circulating pump is arranged on the pickling solution circulating pipe.
Furthermore, an alkaline washing liquid circulating pipe is arranged on the alkaline washing tower, one end of the alkaline washing liquid circulating pipe is communicated with the lower part of the alkaline washing tower, the other end of the alkaline washing liquid circulating pipe is communicated with an alkaline washing liquid spray head, and an alkaline washing liquid circulating pump is arranged on the alkaline washing liquid circulating pipe.
By applying the technical scheme of the utility model, the chemical washing tower is connected with the biological soil filter tank, the waste gas of the composting fermentation workshop collected in the waste gas collecting system enters the chemical washing tower through the gas inlet pipe for chemical washing treatment, and most of water-soluble malodorous substances, acidic malodorous substances and alkaline malodorous substances in the composting fermentation waste gas are removed; and (3) introducing the compost fermentation waste gas after chemical washing into a biological soil filter, removing residual malodorous substances in the compost fermentation waste gas by using microorganisms in the soil, and converting the malodorous substances into odorless and harmless substances. This compost fermentation waste gas deodorizing device combines together chemical washing deodorization and biological deodorization, has effectively improved the deodorant effect to compost fermentation waste gas.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a compost fermentation waste gas deodorizing device according to an embodiment of the present invention.
FIG. 2 is a schematic view of the top view of the gas distributor of the deodorizing device for waste gas from compost fermentation according to the embodiment of the present invention.
Wherein the figures include the following reference numerals:
10. a chemical scrubber; 11. an air inlet pipe; 12. an exhaust pipe; 13. an acid washing tower; 14. an alkaline washing tower; 15. connecting a pipeline; 16. a centrifugal fan; 20. a biological soil filter; 21. a filter body; 22. an active soil layer; 23. a gas distribution device; 24. greening the lawn; 25. a lawn spraying system; 131. a pickling solution spray head; 132. a pickling solution circulating pipe; 133. a pickling solution circulating pump; 141. an alkaline washing liquid spray head; 142. an alkaline washing liquid circulating pipe; 143. an alkaline washing liquid circulating pump; 231. a gas distribution main pipe; 232. a gas distribution branch pipe; 2311. and (5) air distribution holes.
Detailed Description
To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The use of the words "a" or "an" and the like in the description and claims of the present application does not denote a limitation of quantity, but rather denotes the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
Referring to fig. 1 and 2, a compost fermentation waste gas deodorization device according to an embodiment of the present invention mainly includes a chemical scrubber 10 and a biological soil filter 20. Wherein, an air inlet pipe 11 of the chemical washing tower 10 is communicated with an exhaust gas collecting system (not shown in the figure) of the compost fermentation workshop, and the chemical washing tower 10 is used for removing most of water-soluble malodorous substances, acidic malodorous substances and alkaline malodorous substances in compost fermentation exhaust gas; an exhaust pipe 12 of the chemical washing tower 10 extends into the biological soil filter 20, and compost fermentation waste gas after chemical washing is guided into the biological soil filter 20, and the biological soil filter 20 is used for biologically deodorizing the compost fermentation waste gas after chemical washing.
In the compost fermentation waste gas deodorization device, the chemical washing tower 10 is connected with the biological soil filter 20, waste gas of a compost fermentation workshop collected in the waste gas collection system enters the chemical washing tower 10 through the gas inlet pipe 11 for chemical washing treatment, and most of water-soluble malodorous substances, acidic malodorous substances and alkaline malodorous substances in the compost fermentation waste gas are removed; the compost fermentation waste gas after chemical washing is introduced into a biological soil filter 20, and the residual malodorous substances in the compost fermentation waste gas are removed by using microorganisms in the soil, so that the malodorous substances are converted into odorless and harmless substances. This compost fermentation waste gas deodorizing device combines together chemical washing deodorization and biological deodorization, has effectively improved the deodorant effect to compost fermentation waste gas.
Specifically, referring to fig. 1, in the present embodiment, the biological soil filter 20 includes a filter body 21, an active soil layer 22, and an air distribution device 23. Wherein, the active soil layer 22 is buried in the filter body 21, and the active soil layer 22 contains microorganisms for deodorizing compost fermentation waste gas; the gas distribution device 23 communicates with the exhaust pipe 12, and the gas distribution device 23 is buried in the active soil layer 22. The waste gas after being chemically washed and deodorized is led into the gas distribution device 23 through the exhaust pipe 12, the waste gas enters the active soil layer 22 through the gas distribution device 23, and residual malodorous substances in the waste gas are removed by utilizing microorganisms in the active soil layer 22 and are converted into odorless and harmless substances. The microorganisms used may be of the existing microbial species used for biological deodorization. Active soil layer 22 uses mineral-rich soil as a base material. In order to effectively form a film in the soil base material for a long time and prevent hardening of microorganisms, a small amount of granular high-temperature sintered mineral materials can be doped into the soil base material.
Further, referring to fig. 2, in the present embodiment, the gas distribution device 23 includes a gas distribution main pipe 231 and a plurality of gas distribution branch pipes 232. The gas distribution main pipe 231 is communicated with the exhaust pipe 12, the plurality of gas distribution branch pipes 232 are respectively communicated with the gas distribution main pipe 231, and each gas distribution main pipe 231 is provided with a plurality of gas distribution holes 2311. The exhaust gas after chemical washing is introduced into the gas distribution main pipe 231 through the exhaust pipe 12, then enters the plurality of gas distribution branch pipes 232 through the gas distribution main pipe 231, and is discharged into the active soil layer 22 through the gas distribution holes 2311. So configured, the uniformity of the distribution of the exhaust gas in active soil layer 22 may be improved.
Referring to fig. 1, in this embodiment, an upper layer of active soil layer 22 is planted with green lawn 24. The planting of the greening lawn 24 on the surface of the biological soil filter 20 is combined with the greening of the plant area, so that the biological soil filter 20 can be shielded, and the effect of beautifying the environment of the plant area can be achieved. Further, a lawn sprinkling system 25 for sprinkling water and humidifying the green lawn 24 is provided in the green lawn 24. The lawn sprinkler system 25 may employ existing lawn sprinkler irrigation equipment.
Specifically, referring to fig. 1, in the present embodiment, the chemical scrubber 10 includes an acid scrubber 13 and a caustic scrubber 14. The air inlet pipe 11 is communicated with the lower part of the pickling tower 13, and a pickling solution spray head 131 is arranged in the pickling tower 13; the lower part of the alkaline tower 14 is communicated with the top of the acid washing tower 13 through a connecting pipeline 15, the exhaust pipe 12 is communicated with the top of the alkaline tower 14, the centrifugal fan 16 is installed on the exhaust pipe 12, and an alkaline washing liquid spray head 141 is installed in the alkaline tower 14. Thus, by arranging the acid washing tower 13 and the alkali washing tower 14, the acid washing tower 13 and the alkali washing tower 14 are connected in series through the connecting pipeline 15; compost fermentation waste gas enters an acid washing tower 13 through an air inlet pipe 11, and is subjected to acid washing deodorization through an acid washing liquid nozzle 131, so that most of water-soluble malodorous substances and alkaline malodorous substances (such as ammonia and amines) in the waste gas are removed; then the waste gas enters the alkaline washing tower 14 through the connecting pipeline 15, and the waste gas is subjected to alkaline washing deodorization through the alkaline washing liquid spray head 141, so that water-soluble malodorous substances and most acidic malodorous substances (such as hydrogen sulfide and lower fatty acid) in the waste gas are removed. The water-soluble malodorous substances, acidic malodorous substances and alkaline malodorous substances in the waste gas are effectively removed by acid washing and alkalinity.
Further, referring to fig. 1, in the present embodiment, a pickling solution circulating pipe 132 is further provided on the pickling tower 13, one end of the pickling solution circulating pipe 132 is communicated with the lower portion of the pickling tower 13, the other end of the pickling solution circulating pipe 132 is communicated with a pickling solution nozzle 131, and a pickling solution circulating pump 133 is further installed on the pickling solution circulating pipe 132. The pickling solution circulation system is constituted by a pickling solution circulation pipe 132 and a pickling solution circulation pump 133. The pickling solution sprayed from the pickling solution spray nozzle 131 falls and collects at the bottom of the pickling tower 13, and the pickling solution circulating pump 133 conveys the pickling solution at the bottom of the pickling tower 13 to the pickling solution spray nozzle 131 through the pickling solution circulating pipe 132 to perform pickling on the waste gas, so that the recycling of the pickling solution is realized.
Referring to fig. 1, in the embodiment, a caustic wash circulating pipe 142 is further disposed on the caustic wash tower 14, one end of the caustic wash circulating pipe 142 is communicated with the lower portion of the caustic wash tower 14, the other end of the caustic wash circulating pipe 142 is communicated with a caustic wash sprayer 141, and a caustic wash circulating pump 143 is further disposed on the caustic wash circulating pipe 142. The alkaline washing liquid circulating system is composed of an alkaline washing liquid circulating pipe 142 and an alkaline washing liquid circulating pump 143. The alkaline washing liquid sprayed from the alkaline washing liquid spray nozzle 141 falls and converges to the bottom of the alkaline washing tower 14, the alkaline washing liquid circulating pump 143 conveys the alkaline washing liquid at the bottom of the alkaline washing tower 14 to the alkaline washing liquid spray nozzle 141 through the alkaline washing liquid circulating pipe 142, and then the alkaline washing is carried out on the waste gas, so that the cyclic use of the alkaline washing liquid is realized.
The working environment of the acid cleaning tower 13 and the alkaline cleaning tower 14 in the compost fermentation waste gas deodorization device is severe, the main equipment can adopt organic glass steel, and a resin layer with excellent chemical corrosion resistance can be arranged on the inner side of the organic glass steel, so that the acid cleaning tower 13 and the alkaline cleaning tower 14 can resist the corrosion of most of acid, alkali and salt solution.
Tests show that the compost fermentation waste gas deodorization device of the utility model is used for deodorization, and the atmosphere in the 5m distance and the 1.5m height of the leeward of the biological soil filter 20 reaches the second-level unorganized emission index in the pollutant emission standard of urban sewage treatment plants (GB 18918-2002).
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A compost fermentation waste gas deodorizing device, comprising:
the chemical washing tower (10), wherein an air inlet pipe (11) of the chemical washing tower (10) is communicated with an exhaust gas collecting system of a composting fermentation workshop, and the chemical washing tower (10) is used for removing water-soluble malodorous substances, acidic malodorous substances and alkaline malodorous substances in composting fermentation exhaust gas;
the biological soil filter (20), blast pipe (12) of chemical scrubber (10) stretch into in the biological soil filter (20), biological soil filter (20) are used for to after the chemical scrubbing compost fermentation waste gas carries out the biological deodorization.
2. A compost fermentation exhaust gas deodorizing device according to claim 1, characterized in that said biological soil filter (20) comprises:
a filter body (21);
an active soil layer (22) buried in the filter body (21), wherein the active soil layer (22) contains microorganisms for deodorizing the compost fermentation waste gas;
the gas distribution device (23) is communicated with the exhaust pipe (12), and the gas distribution device (23) is buried in the active soil layer (22).
3. A compost fermentation waste gas deodorization device as claimed in claim 2, wherein said gas distribution device (23) comprises a gas distribution main pipe (231) and a plurality of gas distribution branch pipes (232), said gas distribution main pipe (231) is communicated with said exhaust pipe (12), said plurality of gas distribution branch pipes (232) are respectively communicated with said gas distribution main pipe (231), and said gas distribution main pipe (231) is opened with a plurality of gas distribution holes (2311).
4. A compost fermentation waste gas deodorizing device as claimed in claim 2, characterized in that a green lawn (24) is planted on the upper layer of said active soil layer (22).
5. A compost fermentation waste gas deodorizing device according to claim 4, characterized in that a lawn sprinkling system (25) for sprinkling water and humidifying said greening lawn (24) is provided in said greening lawn (24).
6. A compost fermentation exhaust gas deodorization arrangement as claimed in claim 1, characterized in that said chemical scrubber (10) comprises:
the gas inlet pipe (11) is communicated with the lower part of the pickling tower (13), and a pickling solution spray head (131) is installed in the pickling tower (13);
the lower portion of the alkaline washing tower (14) is communicated with the top of the acid washing tower (13) through a connecting pipeline (15), the exhaust pipe (12) is communicated with the top of the alkaline washing tower (14), a centrifugal fan (16) is installed on the exhaust pipe (12), and an alkaline washing liquid spray head (141) is installed in the alkaline washing tower (14).
7. A compost fermentation waste gas deodorization apparatus as claimed in claim 6, wherein said acid tower (13) is provided with a circulation pipe (132) for pickling solution, one end of said circulation pipe (132) for pickling solution is connected to the lower portion of said acid tower (13), the other end of said circulation pipe (132) for pickling solution is connected to said nozzle (131) for pickling solution, said circulation pipe (132) for pickling solution is provided with a circulation pump (133) for pickling solution.
8. A compost fermentation waste gas deodorization device as claimed in claim 6, wherein a caustic wash circulating pipe (142) is arranged on said caustic wash tower (14), one end of said caustic wash circulating pipe (142) is communicated with the lower portion of said caustic wash tower (14), the other end of said caustic wash circulating pipe (142) is communicated with said caustic wash sprayer (141), and a caustic wash circulating pump (143) is installed on said caustic wash circulating pipe (142).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920834327.7U CN210229624U (en) | 2019-06-04 | 2019-06-04 | Compost fermentation waste gas deodorizing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920834327.7U CN210229624U (en) | 2019-06-04 | 2019-06-04 | Compost fermentation waste gas deodorizing device |
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| CN210229624U true CN210229624U (en) | 2020-04-03 |
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| CN201920834327.7U Active CN210229624U (en) | 2019-06-04 | 2019-06-04 | Compost fermentation waste gas deodorizing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659250A (en) * | 2020-06-16 | 2020-09-15 | 合肥扬基环保科技有限公司 | Biological soil deodorization system and deodorization method |
| CN113134297A (en) * | 2021-06-07 | 2021-07-20 | 恩宜瑞(江苏)环境发展有限公司 | Biological deodorization device with internal gas distribution pipeline |
| CN113209794A (en) * | 2021-05-07 | 2021-08-06 | 南京飞锦环保科技有限公司 | Biological soil deodorization system and deodorization method |
-
2019
- 2019-06-04 CN CN201920834327.7U patent/CN210229624U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659250A (en) * | 2020-06-16 | 2020-09-15 | 合肥扬基环保科技有限公司 | Biological soil deodorization system and deodorization method |
| CN113209794A (en) * | 2021-05-07 | 2021-08-06 | 南京飞锦环保科技有限公司 | Biological soil deodorization system and deodorization method |
| CN113209794B (en) * | 2021-05-07 | 2022-05-17 | 南京飞锦环保科技有限公司 | Biological soil deodorization system and deodorization method |
| CN113134297A (en) * | 2021-06-07 | 2021-07-20 | 恩宜瑞(江苏)环境发展有限公司 | Biological deodorization device with internal gas distribution pipeline |
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