CN217391990U - Biological method combined treatment device for waste gas of sewage station - Google Patents
Biological method combined treatment device for waste gas of sewage station Download PDFInfo
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- CN217391990U CN217391990U CN202220103320.XU CN202220103320U CN217391990U CN 217391990 U CN217391990 U CN 217391990U CN 202220103320 U CN202220103320 U CN 202220103320U CN 217391990 U CN217391990 U CN 217391990U
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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 relates to an exhaust-gas treatment technical field discloses sewage station waste gas biological method combined treatment device, including biological trickling filter and sewage station, from the top down has connected gradually in the biological trickling filter and has sprayed layer, first packing layer and liquid storage layer, is equipped with first air intake and drain on the tank wall of biological trickling filter, and biological trickling filter top is equipped with the water inlet, is equipped with the system of making a round trip in the sewage station, and the system of making a round trip is connected with the water inlet through the pipeline, and the drain passes through the entry linkage at pipeline and sewage station. The utility model discloses unite biological trickling filter and sewage treatment station, carry out effectual biological treatment to organic waste gas, according to the different conditions, switch the circulating water source, shorten trickling filter microorganism culture time, guarantee that biological trickling filter microbial system is stable, the waste water that the device produced gets into sewage station effective treatment once more, effectively reduces waste gas treatment and sets up cost and takes up an area of.
Description
Technical Field
The utility model relates to an exhaust-gas treatment technical field has especially related to sewage station waste gas biological method and has united processing apparatus.
Background
The waste gas of the sewage station belongs to low-concentration, large-air-volume and stink waste gas, and the waste gas component is mainly H 2 S and NH 3 The existing treatment process mainly comprises an absorption method and a biological method, wherein the biological method is used for purifying waste gas and mainly degrading pollutants into CO through the metabolism process of microorganisms attached to and growing on the filler 2 、H 2 O and SO 2 And the like, and simultaneously generate new microbial cells, thereby being particularly suitable for treating large-flow low-concentration waste gas; compared with the traditional physical and chemical methods, the biological method purifies the H 2 The S waste gas has the advantages of simple equipment, low energy consumption, high efficiency, basically no secondary pollution and the like, but the following defects are found in the practical application process:
1. the absorption method is independently adopted, so that the water-insoluble medium in the waste gas is difficult to remove, and the exhaust exceeding is easily caused;
2. the conventional treatment process of the bio-trickling filter has the advantages of long commissioning and debugging time, poor strain stability and large equipment floor area;
3. the traditional biological trickling filtration process has high requirements on temperature and humidity, and the northern area needs electric heating in winter, so that the energy consumption is high;
at present, the biotrickling filtration is an effective technical method for treating the odor of the sewage station. However, the biological trickling filter box adopts organisms to digest organic matters, the requirement on the retention time of waste gas is high, the equipment occupies a large area, microorganisms need certain culture time and are sensitive to the change of humidity and temperature, and therefore, most sewage station users have low acceptance to biological methods. This application is united biological trickling filter and sewage treatment station, carries out effectual biological treatment to organic waste gas, and the circulating liquid chooses for use the water of different sources according to the operational aspect, shortens trickling filter microbial cultivation time, reduces exhaust apparatus and takes up an area of, combines biological trickling filter and sewage station organic together, and the effectual drawback of solving biological trickling filter technique and using on sewage station exhaust-gas treatment. Application number CN 202021474873.3's patent discloses a device that VOC waste gas was handled in absorption method and biological method combined action, and it includes the preliminary treatment case, the outside of preliminary treatment case is provided with the waste gas intake pipe, the waste gas intake pipe passes the inside that the preliminary treatment case extended to the preliminary treatment case, the inside fixed mounting of preliminary treatment case has the filtration sack, one side fixed mounting that the waste gas intake pipe was kept away from to the filtration sack has activated carbon fiber, the one end fixed mounting that the waste gas intake pipe was kept away from to the preliminary treatment case has the gas-supply pipe, just the gas-supply pipe passes the preliminary treatment case and extends to inside. The above patent can carry out effective processing to harmful abandonment, and is higher for traditional abandonment treatment effeciency to there is the secondary pollution's problem after having reduced investment working costs and handling. However, the method belongs to a conventional bio-trickling filter treatment process, and has the defects of long commissioning and debugging time, poor strain stability, large equipment floor area and limitation.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sewage station waste gas biological method combined treatment device to the shortcoming among the prior art.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
sewage station waste gas biological process combined treatment device, including biological trickling filter and sewage station, from the top down has connected gradually in the biological trickling filter and has sprayed layer, first packing layer and liquid storage layer, is equipped with first air intake and drain on the tank wall of biological trickling filter, and biological trickling filter top is equipped with the water inlet, is equipped with the system of making a round trip in the sewage station, and the system of making a round trip is connected with the water inlet through the pipeline, and the drain passes through the entry linkage of pipeline and sewage station. When biological system just started, the circulation liquid of biological trickling filtration case comes from the good oxygen pond waste water of sewage station, carry the waste water of sewage station to the biological trickling filtration incasement through the pipeline, evenly spray water to first packing layer through spraying the layer on, treat the stable back of biological trickling filtration case bacterial, switch through the pipeline valve and introduce the sewage station and go out water as the moisturizing of biological trickling filtration case, shorten biological trickling filtration case microorganism culture time, send the entry of sewage station back to through the drain with the circulating water on bottom liquid storage layer again.
Preferably, the water inlet is arranged on the upper side of the spraying layer, a first sprayer is arranged in the spraying layer, the water inlet is connected with the first sprayer, a first air outlet is further formed in the top of the bio-trickling filter, a demister is arranged on the first air outlet, and the demister is connected with an air outlet pipeline. The water of the sewage station is connected with the water inlet through a pipeline, and then is uniformly sprayed onto the first packing layer through the first sprayer, and the harmful substances in the waste gas are decomposed by the organisms on the first packing layer.
Preferably, the absorption tower further comprises an absorption tower and an exhaust funnel, wherein 2 second packing layers are arranged in the absorption tower, a second sprayer is arranged on each second packing layer, a circulating groove is formed in the bottom of the absorption tower, and an air outlet pipeline is connected with the exhaust funnel. And removing water-soluble substances from the waste gas collected by the sewage station through the absorption tower, adding humidity to the waste gas, sending the waste gas into the biological trickling filter box, and absorbing soluble components by the second packing layer.
Preferably, a circulating pump interface, a liquid level meter, a water replenishing port and a water outlet are arranged in the circulating tank, the circulating pump interface is connected with a circulating pump, the circulating pump is connected with the second sprayer, and the water outlet is connected with an inlet of the sewage station through a pipeline. And water replenishing and draining are automatically realized according to the liquid level condition.
Preferably, the absorption tower is provided with a second air inlet on the outer wall of the circulating groove, the second air inlet is connected with a fan, the top of the absorption tower is provided with a second air outlet, and the second air outlet is connected with the first air inlet through a pipeline. The absorption tower and the biological trickling filter box are adopted for combined treatment, so that the load and pressure of the biological section treatment are effectively reduced.
Preferably, valves are arranged on the sewage draining outlet, the water inlet, the water replenishing opening and the water draining opening. The on-off of the sewage draining outlet, the water inlet, the water replenishing outlet and the water draining outlet is controlled by the valve.
Preferably, the back and forth water system comprises an aerobic tank and reclaimed water, and the aerobic tank and the reclaimed water are connected with the water inlet through pipelines. The filler in the first filler layer comprises volcanic rock, bamboo charcoal and plastics, and the filler in the second filler layer is plastics.
Preferably, the outer walls of the absorption tower and the bio-trickling filter box are provided with access doors.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect: waste gas that the sewage station was collected passes through the fan, sends into the absorption tower and gets rid of water-soluble material and give waste gas increase humidity, and the waste gas that comes out from the absorption tower gets into the biological trickling filter case, and most organic matter is here cleared up by the biology, finally discharges through the aiutage standard.
The utility model switches the source of the circulating water according to different conditions through the combined process flow of the biological trickling filter and the sewage station, thereby ensuring the stability of the biological trickling filter microbial system; the combined treatment process of the filler absorption tower and the biological trickling filter is particularly suitable for the working conditions of large air volume and low concentration waste gas treatment of a sewage station; the absorption tower and the biological trickling filter box are adopted for combined treatment, so that the load and pressure of biological section treatment are effectively reduced; wastewater generated by the device enters the sewage station again for effective treatment, so that a waste gas treatment system is prevented from being provided with a water treatment facility, and the waste gas treatment setting cost and the occupied area are effectively reduced; the circulating water of the biological trickling filter tank adopts an aerobic tank level, so that nutrient solution does not need to be added at ordinary times, and electric heating is not needed in winter.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure of the bio-trickling filter box and the vent tube.
FIG. 3 is a schematic view of the structure of an absorption column.
The names of the parts indicated by the numerical references in the above figures are as follows: the system comprises a fan 1, a fan 2, an absorption tower, a second packing layer 201, a second sprayer 202, a second sprayer 203, a circulation tank 2031, a circulation pump connector 2031, a liquid level meter 2032, a water replenishing port 2033, a water discharging port 2034, a second air inlet 205, a second air outlet 206, a second air outlet 3, an exhaust funnel 4, a bio-trickling filter box 401, a spray layer 4011, a first sprayer 402, a first packing layer 402, a liquid storage layer 403, a first air inlet 404, a drain outlet 405, a first air outlet 406, a first water outlet 407, a water inlet 5, a sewage station 6, a back and forth water system 601, an aerobic pool 602, reclaimed water 602, a circulation pump 7, a demister 8, an air outlet pipeline 9, a valve 10 and an access door 11.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
A sewage station waste gas biological method combined treatment device is shown in figures 1-3 and comprises a biological trickling filter box 4 and a sewage station 5, wherein a spraying layer 401, a first packing layer 402 and a liquid storage layer 403 are sequentially connected in the biological trickling filter box 4 from top to bottom, a first air inlet 404 and a sewage outlet 405 are arranged on the box wall of the biological trickling filter box 4, a water inlet 407 is arranged at the top of the biological trickling filter box 4, a back and forth water system 6 is arranged in the sewage station 5, the back and forth water system 6 is connected with the water inlet 407 through a pipeline, and the sewage outlet 405 is connected with an inlet of the sewage station 5 through a pipeline. When biological system just started, the circulation liquid of biological trickling filtration case 4 comes from the good oxygen pond waste water of sewage station 5, carry the waste water of sewage station 5 to the biological trickling filtration case 4 in through the pipeline, evenly spray water to first packing layer 402 through spraying layer 401, treat 4 bacterial stable backs of biological trickling filtration case, introduce 5 play waters of sewage station as the moisturizing of biological trickling filtration case 4 through the switching of pipeline valve, shorten 4 microbial cultivation times of biological trickling filtration case, send the circulating water of bottom liquid storage layer 403 back to the entry of sewage station 5 through drain 405 again.
Water inlet 407 is established in the upside that sprays layer 401, sprays and is equipped with first sprayer 4011 in the layer 401, and water inlet 407 is connected with first sprayer 4011, and biological trickling filter 4 top still is equipped with first air outlet 406, is equipped with defroster 8 on the first air outlet 406, and defroster 8 is connected with air-out pipeline 9. The water in the sewage station 5 is connected to the water inlet 407 through a pipeline, and then is uniformly sprayed onto the first packing layer 402 by the first sprayer 4011, and the harmful substances in the exhaust gas are decomposed by the organisms on the first packing layer 402.
Still include absorption tower 2 and aiutage 3, be equipped with 2 second packing layers 201 in the absorption tower 2, all be equipped with second spray thrower 202 on every second packing layer 201, 2 bottoms on the absorption tower are equipped with circulation tank 203, and air-out pipeline 9 is connected with aiutage 3. The waste gas collected in the sewage station 5 is removed of water-soluble substances and added with humidity by the absorption tower 2, and is sent into the bio-trickling filter tank 4, and the second packing layer 201 absorbs soluble components.
A circulating pump interface 2031, a liquid level meter 2032, a water replenishing port 2033 and a water draining port 2034 are arranged in the circulating tank 203, the circulating pump interface 2031 is connected with a circulating pump 7, the circulating pump 7 is connected with the second sprayer 202, and the water draining port 2034 is connected with an inlet of the sewage station 5 through a pipeline. And water replenishing and draining are automatically realized according to the liquid level condition.
The absorption tower 2 is provided with a second air inlet 205 on the outer wall of the circulation tank 203, the second air inlet 205 is connected with the fan 1, the top of the absorption tower 2 is provided with a second air outlet 206, and the second air outlet 206 is connected with the first air inlet 404 through a pipeline. The absorption tower 2 and the biological trickling filter 4 are adopted for combined treatment, so that the load and pressure of biological section treatment are effectively reduced.
The drain outlet 405, the water inlet 407, the water replenishing port 2033 and the water outlet 2034 are all provided with valves 10. The valve 10 controls the on-off of the sewage draining outlet 405, the water inlet 407, the water replenishing port 2033 and the water draining outlet 2034.
The water returning and returning system 6 comprises an aerobic tank 601 and reclaimed water 602, and the aerobic tank 601 and the reclaimed water 602 are connected with a water inlet 407 through pipelines. The filler in the first filler layer 402 comprises volcanic rock, bamboo charcoal and plastics, and the filler in the second filler layer 201 is plastics.
And the outer walls of the absorption tower 2 and the biological trickling filter box 4 are provided with access doors 11.
The working principle is as follows: waste gas collected by the sewage station 5 is sent into the absorption tower 2 through the fan 1 to remove water-soluble substances and increase the humidity of the waste gas, the waste gas coming out of the absorption tower 2 enters the biological trickling filtration box 4, most organic matters are digested by organisms, and finally the waste gas is discharged through the exhaust funnel 3 after reaching the standard.
The utility model switches the source of the circulating water according to different conditions through the combined process flow of the biological trickling filter and the sewage station, thereby ensuring the stability of the biological trickling filter microbial system; the combined treatment process of the filler absorption tower and the biological trickling filter box is particularly suitable for the working conditions of large air volume and low concentration waste gas treatment of a sewage station; the absorption tower and the biological trickling filter box are adopted for combined treatment, so that the load and pressure of biological section treatment are effectively reduced; wastewater generated by the device enters the sewage station again for effective treatment, so that a waste gas treatment system is prevented from being provided with a water treatment facility, and the waste gas treatment setting cost and the occupied area are effectively reduced; the circulating water of the biological trickling filter tank adopts an aerobic tank level, so that nutrient solution does not need to be added at ordinary times, and electric heating is not needed in winter.
Example 2
A sewage station waste gas biological method combined treatment device is shown in figure 1-2 and comprises a biological trickling filter box 4 and a sewage station 5, wherein a spraying layer 401, a first packing layer 402 and a liquid storage layer 403 are sequentially connected in the biological trickling filter box 4 from top to bottom, a first air inlet 404 and a sewage outlet 405 are arranged on the box wall of the biological trickling filter box 4, a water inlet 407 is arranged at the top of the biological trickling filter box 4, a back and forth water system 6 is arranged in the sewage station 5, the back and forth water system 6 is connected with the water inlet 407 through a pipeline, and the sewage outlet 405 is connected with an inlet of the sewage station 5 through a pipeline. When biological system just started, biological trickling filter 4's circulation liquid comes from the good oxygen pond waste water of sewage station 5, carry sewage station 5's waste water to biological trickling filter 4 in through the pipeline, evenly spray water to first packing layer 402 through spraying layer 401, treat that biological trickling filter 4 bacterial is stable after, switch through the pipeline valve and introduce 5 play water in sewage station as the moisturizing of biological trickling filter 4, shorten biological trickling filter 4 microbial cultivation time, send the circulating water of bottom liquid storage layer 403 back to the entry of sewage station 5 through drain 405 again.
Example 3
A sewage station waste gas biological method combined treatment device is shown in figures 1-3 and comprises a biological trickling filter box 4 and a sewage station 5, wherein a spraying layer 401, a first packing layer 402 and a liquid storage layer 403 are sequentially connected in the biological trickling filter box 4 from top to bottom, a first air inlet 404 and a sewage outlet 405 are arranged on the box wall of the biological trickling filter box 4, a water inlet 407 is arranged at the top of the biological trickling filter box 4, a back and forth water system 6 is arranged in the sewage station 5, the back and forth water system 6 is connected with the water inlet 407 through a pipeline, and the sewage outlet 405 is connected with an inlet of the sewage station 5 through a pipeline. When biological system just started, biological trickling filter 4's circulation liquid comes from the good oxygen pond waste water of sewage station 5, carry sewage station 5's waste water to biological trickling filter 4 in through the pipeline, evenly spray water to first packing layer 402 through spraying layer 401, treat that biological trickling filter 4 bacterial is stable after, switch through the pipeline valve and introduce 5 play water in sewage station as the moisturizing of biological trickling filter 4, shorten biological trickling filter 4 microbial cultivation time, send the circulating water of bottom liquid storage layer 403 back to the entry of sewage station 5 through drain 405 again.
Water inlet 407 is established in the upside that sprays layer 401, sprays and is equipped with first sprayer 4011 in the layer 401, and water inlet 407 is connected with first sprayer 4011, and biological trickling filter 4 top still is equipped with first air outlet 406, is equipped with defroster 8 on the first air outlet 406, and defroster 8 is connected with air-out pipeline 9. The water in the sewage station 5 is connected to the water inlet 407 through a pipeline, and then is uniformly sprayed onto the first packing layer 402 by the first sprayer 4011, and the organisms on the first packing layer 402 decompose the harmful substances in the exhaust gas.
Still include absorption tower 2 and aiutage 3, be equipped with 2 second packing layers 201 in the absorption tower 2, all be equipped with second spray thrower 202 on every second packing layer 201, 2 bottoms on the absorption tower are equipped with circulation tank 203, and air-out pipeline 9 is connected with aiutage 3. The waste gas collected in the sewage station 5 is removed of water-soluble substances and added with humidity by the absorption tower 2, and is sent into the bio-trickling filter tank 4, and the second packing layer 201 absorbs soluble components.
A circulating pump interface 2031, a liquid level meter 2032, a water replenishing port 2033 and a water draining port 2034 are arranged in the circulating tank 203, the circulating pump interface 2031 is connected with a circulating pump 7, the circulating pump 7 is connected with the second sprayer 202, and the water draining port 2034 is connected with an inlet of the sewage station 5 through a pipeline. And water replenishing and draining are automatically realized according to the liquid level condition.
The absorption tower 2 is provided with a second air inlet 205 on the outer wall of the circulation tank 203, the second air inlet 205 is connected with the fan 1, the top of the absorption tower 2 is provided with a second air outlet 206, and the second air outlet 206 is connected with the first air inlet 404 through a pipeline. The absorption tower 2 and the biological trickling filter 4 are adopted for combined treatment, so that the load and pressure of biological section treatment are effectively reduced.
Claims (8)
1. Sewage station waste gas biological method combined treatment device, including biological trickling filter case (4) and sewage station (5), its characterized in that: the utility model discloses a sewage station, including biological trickling filter (4), from the top down has connected gradually and has sprayed layer (401), first packing layer (402) and liquid storage layer (403) in biological trickling filter (4), be equipped with first air intake (404) and drain (405) on the tank wall of biological trickling filter (4), biological trickling filter (4) top is equipped with water inlet (407), be equipped with water return system (6) in sewage station (5), water return system (6) are connected with water inlet (407) through the pipeline, drain (405) are through the access connection of pipeline with sewage station (5).
2. The biological method combined treatment device for waste gas of a sewage station as claimed in claim 1, wherein: establish in the upside that sprays layer (401) water inlet (407), spray and be equipped with first spray thrower (4011) in layer (401), water inlet (407) are connected with first spray thrower (4011), and biological trickling filter (4) top still is equipped with first air outlet (406), is equipped with defroster (8) on first air outlet (406), and defroster (8) are connected with air-out pipeline (9).
3. The combined biological treatment device for waste gas of a sewage station of claim 2, wherein: still include absorption tower (2) and aiutage (3), be equipped with 2 second packing layers (201) in absorption tower (2), all be equipped with second spray thrower (202) on every second packing layer (201), absorption tower (2) bottom is equipped with circulation groove (203), and air-out pipeline (9) is connected with aiutage (3).
4. The biological method combined treatment device for waste gas of a sewage station as claimed in claim 3, wherein: be equipped with circulating pump interface (2031), level gauge (2032), fill water mouth (2033) and outlet (2034) in circulation groove (203), circulating pump interface (2031) is connected with circulating pump (7), and circulating pump (7) are connected with second spray thrower (202), and outlet (2034) passes through the access connection of pipeline with sewage station (5).
5. The biological method combined treatment device for waste gas of a sewage station as claimed in claim 3, wherein: the outer wall of the absorption tower (2) positioned on the circulating groove (203) is provided with a second air inlet (205), the second air inlet (205) is connected with a fan (1), the top of the absorption tower (2) is provided with a second air outlet (206), and the second air outlet (206) is connected with the first air inlet (404) through a pipeline.
6. The combined biological treatment device for waste gas of a sewage station of claim 4, wherein: valves (10) are arranged on the sewage draining outlet (405), the water inlet (407), the water replenishing port (2033) and the water draining port (2034).
7. The combined biological treatment device for waste gas of a sewage station of claim 3, wherein: the water returning and recycling system (6) comprises an aerobic tank (601) and reclaimed water (602), wherein the aerobic tank (601) and the reclaimed water (602) are connected with a water inlet (407) through pipelines.
8. The combined biological treatment device for waste gas of a sewage station of claim 3, wherein: and the outer walls of the absorption tower (2) and the biological trickling filter box (4) are provided with access doors (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220103320.XU CN217391990U (en) | 2022-01-14 | 2022-01-14 | Biological method combined treatment device for waste gas of sewage station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220103320.XU CN217391990U (en) | 2022-01-14 | 2022-01-14 | Biological method combined treatment device for waste gas of sewage station |
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| CN217391990U true CN217391990U (en) | 2022-09-09 |
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| CN202220103320.XU Active CN217391990U (en) | 2022-01-14 | 2022-01-14 | Biological method combined treatment device for waste gas of sewage station |
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