CN213668661U - Municipal administration mud aerobic composting foul smell processing apparatus - Google Patents
Municipal administration mud aerobic composting foul smell processing apparatus Download PDFInfo
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- CN213668661U CN213668661U CN202021764705.8U CN202021764705U CN213668661U CN 213668661 U CN213668661 U CN 213668661U CN 202021764705 U CN202021764705 U CN 202021764705U CN 213668661 U CN213668661 U CN 213668661U
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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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Abstract
The utility model discloses a municipal administration mud good oxygen compost odor treatment device, loop through the pipeline including municipal administration mud good oxygen compost collection device, one-level acid circulation spray column, second grade water washing tower, first relay fan, volcanic rock dehydrating unit, second relay fan and emission chimney and be linked together. The invention treats the components of the municipal sludge odor through different functional sections, improves the treatment efficiency of each section and strengthens the treatment effect of the single functional section. The absorption of ammonia can realize the acquisition of liquid ammonium fertilizer, and the liquid ammonium fertilizer can be used for plant landscaping after being collected regularly; the active coke can prolong the replacement period of the active coke by adsorbing VOCs except ammonia, the odor generated by the regeneration of the active coke can be treated by incineration and the like, and the secondary pollution after the treatment of nitrogen gas is avoided.
Description
Technical Field
The utility model relates to an odor treatment device technical field, in particular to municipal administration mud aerobic composting odor treatment device.
Background
The product of municipal sludge domestic sewage in the treatment process is taken as an effective sludge recycling process by aerobic composting, and the aerobic composting is widely applied all over the country. In the application case, municipal sludge and local corresponding auxiliary materials, such as corncobs, rice husks, wheat straws, cornstalks and the like, are mixed in proportion and fermented according to different aerobic composting processes.
The sludge generates odor in the high-temperature aerobic fermentation process after being mixed with auxiliary materials, the components of the odor are complex, and the odor mainly comprises harmful gases of VOCs such as ammonia gas, hydrogen sulfide, methyl mercaptan, methyl sulfide and the like. Because the odor generated by the compost can bring great harmful influence to production and life of producers and surrounding residents, the odor generated by aerobic compost is reasonably collected and effectively treated by a facility, the emission of the treated odor reaching the standard is realized, and the odor treatment method becomes one of the major problems concerned by people in the social and economic development process.
The methods for treating odor generated by aerobic fermentation of municipal sludge compost mainly comprise three types: physical methods (adsorption, absorption, concentration, etc.), chemical methods (chemical washing, thermal oxidation, catalytic oxidation, ozone oxidation, etc.), biological methods (biological filters, soil filters, etc.).
The prior art has the following defects:
1. municipal sludge compost odor gas components are complex, physical adsorption and other modes are adopted, the regeneration requirement of the adsorbent is high, and secondary pollution is easy to form.
2. Municipal administration sludge compost foul gas temperature is high, and gas humidity is big, adopts the active coke to adsorb processing apparatus alone, influences active coke life, and the high organic gas that can lead to active coke to adsorb of temperature moreover is replaced and the desorption condition appears, forms secondary pollution.
3. Municipal sludge compost odor gas temperature is high, and the biological method adopted alone can influence microbial activity, influences treatment effeciency.
4. Municipal sludge compost odor gas has large dust content, and an activated coke adsorption treatment device is independently adopted, so that adsorption holes of activated coke particles can be blocked, and the impact resistance is poor;
5. municipal sludge compost odor gas volume is big, and concentration is low, and the operation maintenance cost that single technology accomplished up to standard emission is on the high side.
6. The requirement of the current novel aerobic composting odor emission standard is higher, and the emission standard reaching the standard is difficult to realize by a single process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a municipal administration mud aerobic composting foul smell processing apparatus to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a municipal administration mud aerobic composting foul smell processing apparatus, includes first relay fan, second grade water washing tower, volcanic dehumidification device, active burnt adsorption equipment, discharges chimney, municipal administration mud aerobic composting collection device and one-level acid circulation spray column, municipal administration mud aerobic composting collection device, one-level acid circulation spray column, second grade water washing tower, first relay fan, volcanic dehumidification device, second relay fan and discharge chimney loop through the pipeline and are linked together.
Furthermore, the municipal sludge aerobic composting odor collecting device comprises an odor collecting pipeline and an aeration fan.
Furthermore, the acid solution of the first-stage acid circulating spray tower is stored at the bottom of the tower and a circulating acid solution tank communicated with the tower, a spray main pipe is connected to a corresponding packing layer spray pipeline of the first-stage acid circulating spray tower, and spray pumps corresponding to the spray layers are arranged from the circulating acid solution to the spray port pipelines of each layer respectively.
Furthermore, the secondary water washing tower is communicated with a water storage tank through a tower body, and a spray pump is arranged on an outlet pipeline from the water storage tank to the water washing spray pipe.
Further, the first relay fan and the second relay fan are medium-pressure centrifugal fans of corrosion-resistant glass fiber reinforced plastic impellers with the same specification.
Further, volcanic dehumidification device and active burnt adsorption equipment can make the glass steel box structure of integration in, cut apart corresponding function section device size through intermediate bottom, and volcanic dehumidification device and the gaseous intercommunication of active burnt adsorption equipment are connected through the glass steel elbow and the tuber pipe at device top, and volcanic dehumidification device and the corresponding comdenstion water drain pipe of active burnt adsorption equipment should set up the independent valve.
Further, the discharge chimney is a glass fiber reinforced plastic discharge chimney of a glass fiber reinforced plastic protection frame.
Compared with the prior art, the beneficial effects of the utility model are that: the invention treats the components of the municipal sludge odor through different functional sections, improves the treatment efficiency of each section and strengthens the treatment effect of the single functional section.
The absorption of ammonia can realize the acquisition of liquid ammonium fertilizer, and the liquid ammonium fertilizer can be used for plant landscaping after being collected regularly; the active coke can prolong the replacement period of the active coke by adsorbing VOCs except ammonia, the odor generated by the regeneration of the active coke can be treated by incineration and the like, and the secondary pollution after the treatment of nitrogen gas is avoided.
Drawings
FIG. 1 is a flow chart of the device of the municipal sludge aerobic composting odor treatment device of the utility model.
The reference numerals are explained below:
in the figure: 1. a first relay fan; 2. a second relay fan; 3. a secondary water washing tower; 5. a volcanic rock dehumidification device; 6. an active coke adsorption unit; 8. discharging a chimney; 9. a municipal sludge aerobic compost collection device; 10. a first-stage acid circulating spray tower; 11. a pipeline.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below 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, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
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 "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a municipal administration mud aerobic composting foul smell processing apparatus, includes first relay fan 1, second relay fan 2, second grade water washing tower 3, volcanic dehumidification device 5, active burnt adsorption equipment 6, discharges chimney 8, municipal administration mud aerobic composting collection device 9 and one-level acid circulation spray column 10, its characterized in that: the municipal sludge aerobic compost collecting device 9, the primary acid circulating spray tower 10, the secondary water washing tower 3, the first relay fan 1, the volcanic rock dehumidifying device 5, the second relay fan 2 and the discharge chimney 8 are sequentially communicated through a pipeline 11.
In order to further improve the use function of the municipal sludge aerobic compost odor treatment device, the municipal sludge aerobic compost odor collection device is an odor collection pipeline and an aeration fan.
In order to further improve the service function of a municipal sludge aerobic composting odor treatment device, the acid solution of the first-stage acid circulating spray tower 10 is jointly stored at the bottom of the tower and a circulating acid solution tank communicated with the tower, a spraying main pipe is connected to a packing layer spraying pipeline corresponding to the first-stage acid circulating spray tower 10, and the circulating acid solution is respectively provided with a spraying pump corresponding to the spraying layer to each layer of spraying port pipeline 11.
In order to further improve the use function of the municipal sludge aerobic composting odor treatment device, the secondary water washing tower 3 is communicated with a water storage tank for a tower body, and a spray pump is arranged on an outlet pipeline 11 from the water storage tank to a water washing spray pipe.
In order to further improve the use function of the municipal sludge aerobic composting odor treatment device, the first relay fan 1 and the second relay fan 2 are medium-pressure centrifugal fans with corrosion-resistant glass fiber reinforced plastic impellers of the same specification.
In order to further improve a municipal administration mud aerobic composting odor treatment device's service function, volcanic dehumidification device 5 and active burnt adsorption equipment 6 can make the glass steel box structure of integration in, cut apart corresponding functional section device size through intermediate bottom, and volcanic dehumidification device 5 and the 6 gaseous intercommunication of active burnt adsorption equipment are glass steel elbow and the tuber pipe connection through the device top, and volcanic dehumidification device 5 and the corresponding comdenstion water drain pipe of active burnt adsorption equipment 6 should set up the independent valve.
In order to further improve the use function of the municipal sludge aerobic composting odor treatment device, the discharge chimney 8 is a glass fiber reinforced plastic discharge chimney 8 of a glass fiber reinforced plastic protection frame.
The operation process comprises the following steps:
(1) high-temperature and high-humidity odor generated by the municipal sludge aerobic composting enters a municipal sludge aerobic composting odor collection device;
(2) a first-stage acid circulating spray tower is connected to the rear part of the municipal sludge aerobic composting odor collecting device; the odor gas is in countercurrent contact with the sprayed acid solution in the first-stage acid circulation spray tower, so that the absorption efficiency of the ammonia gas in the odor gas is improved. The ammonia gas in the odor is absorbed by the sulfuric acid solution and changed into ammonium sulfate, and the ammonium sulfate is dissolved in the solution.
(3) The back of the first-stage acid circulation spray tower is connected with a second-stage water washing tower, and odor in a second-stage water washing tower device is sprayed by normal-temperature normal water, so that the odor temperature is reduced, part of water content in the odor is reduced, and acidic substances in the gas are reduced to enter the next functional section.
(4) The secondary water washing tower is connected with a first relay fan, and the first relay fan is added mainly in consideration of large resistance loss and increased system power after passing through the primary acid circulating spray tower and the secondary water washing tower.
(5) The first relay fan conveys odor to the volcanic rock dehumidifying device, and in the volcanic rock dehumidifying device, the gas passes through a cavity at the bottom to form a pressure stabilizing box, so that the air speed of the odor passing through the volcanic rock can be adjusted and balanced, the retention time is prolonged, and the dehumidifying efficiency of the volcanic rock dehumidifying device is improved.
(6) The active coke adsorption device is connected behind the volcanic dehumidification device, the odor subjected to cooling and dehumidification forms a pressure stabilizing box at the bottom of the active coke adsorption device (6), the air speed is adjusted through the air distribution plate, and the reasonable residence time is kept, so that VOCs components in the odor are adsorbed into the pores of the active coke more thoroughly.
(7) And the second relay fan is connected behind the active coke adsorption device, and in order to increase the aerodynamic force, the second relay fan keeps a certain air speed when sending the treated odor into a discharge chimney, so that the odor reaching the standard is discharged to the designed diffusion condition.
The invention treats the components of the municipal sludge odor through different functional sections, improves the treatment efficiency of each section and strengthens the treatment effect of the single functional section.
The absorption of ammonia can realize the acquisition of liquid ammonium fertilizer, and the liquid ammonium fertilizer can be used for plant landscaping after being collected regularly; the active coke can prolong the replacement period of the active coke by adsorbing VOCs except ammonia, the odor generated by the regeneration of the active coke can be treated by incineration and the like, and the secondary pollution after the treatment of nitrogen gas is avoided.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a municipal administration mud aerobic composting foul smell processing apparatus which characterized in that: including first relay fan (1), second relay fan (2), second grade water washing tower (3), volcanic rock dehydrating unit (5), active coke adsorption equipment (6), emission chimney (8), municipal sludge aerobic compost collection device (9) and one-level acid circulation spray column (10), its characterized in that: the municipal sludge aerobic compost collecting device (9), the primary acid circulating spray tower (10), the secondary water washing tower (3), the first relay fan (1), the volcanic rock dehumidifying device (5), the second relay fan (2) and the discharge chimney (8) are communicated with one another sequentially through a pipeline (11).
2. The municipal sludge aerobic composting odor treatment device according to claim 1, which is characterized in that: the municipal sludge aerobic composting odor collecting device comprises an odor collecting pipeline and an aeration fan.
3. The municipal sludge aerobic composting odor treatment device according to claim 1, which is characterized in that: acid solution of the first-stage acid circulating spray tower (10) is stored at the bottom of the tower and a circulating acid solution tank communicated with the tower, a spray main pipe is connected to a corresponding packing layer spray pipeline of the first-stage acid circulating spray tower (10), and spray pumps corresponding to the spray layers are arranged from the circulating acid solution to each layer of spray port pipeline (11) respectively.
4. The municipal sludge aerobic composting odor treatment device according to claim 1, which is characterized in that: the secondary water washing tower (3) is communicated with a water storage tank for a tower body, and a spray pump is arranged on a pipeline (11) from the water storage tank to a water washing spray pipe outlet.
5. The municipal sludge aerobic composting odor treatment device according to claim 1, which is characterized in that: the first relay fan (1) and the second relay fan (2) are medium-pressure centrifugal fans of corrosion-resistant glass fiber reinforced plastic impellers with the same specification.
6. The municipal sludge aerobic composting odor treatment device according to claim 1, which is characterized in that: volcanic dehumidification device (5) and active burnt adsorption equipment (6) can make the glass steel box structure of integration in, cut apart corresponding function section device size through intermediate bottom, and volcanic dehumidification device (5) and active burnt adsorption equipment (6) gas intercommunication are connected through the glass steel elbow and the tuber pipe at device top, and volcanic dehumidification device (5) and the corresponding comdenstion water drain pipe of active burnt adsorption equipment (6) should set up the independent valve.
7. The municipal sludge aerobic composting odor treatment device according to claim 1, which is characterized in that: the discharge chimney (8) is a glass fiber reinforced plastic discharge chimney (8) of the glass fiber reinforced plastic protection frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021764705.8U CN213668661U (en) | 2020-08-21 | 2020-08-21 | Municipal administration mud aerobic composting foul smell processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021764705.8U CN213668661U (en) | 2020-08-21 | 2020-08-21 | Municipal administration mud aerobic composting foul smell processing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN213668661U true CN213668661U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021764705.8U Active CN213668661U (en) | 2020-08-21 | 2020-08-21 | Municipal administration mud aerobic composting foul smell processing apparatus |
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|---|---|
| CN (1) | CN213668661U (en) |
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2020
- 2020-08-21 CN CN202021764705.8U patent/CN213668661U/en active Active
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