CN211800021U - Biological trickling filter device for treating industrial waste gas - Google Patents
Biological trickling filter device for treating industrial waste gas Download PDFInfo
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- CN211800021U CN211800021U CN202020242099.7U CN202020242099U CN211800021U CN 211800021 U CN211800021 U CN 211800021U CN 202020242099 U CN202020242099 U CN 202020242099U CN 211800021 U CN211800021 U CN 211800021U
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Abstract
The utility model discloses a biological trickling filter device for treating industrial waste gas, which belongs to the technical field of waste gas treatment and comprises a biological trickling filter body, wherein an air inlet and an air outlet are arranged on the biological trickling filter body, a microorganism layer is arranged in the biological trickling filter body, a first washing chamber is arranged above the microorganism layer, and a first spraying system is arranged in the first washing chamber; a second washing chamber is arranged below the microbial layer, and a second spraying system is arranged in the second washing chamber; the air outlet is communicated with a purification circulating mechanism. The utility model discloses a specially form for the exhaust-gas treatment design, this scheme can make waste gas and water fully contact, and purifying effect is good, and has add the waste gas mechanism of purifying again, and when the combustion gas still contains a large amount of harmful components, can be with waste gas repeated purification, until safe nontoxic just the atmosphere of discharging, better environmental protection.
Description
Technical Field
The utility model relates to a waste gas treatment technical field, concretely relates to a bio-trickling filter device for handling industrial waste gas.
Background
In recent years, with the acceleration of industrialization, exhaust gas generated in industry is continuously discharged into the atmosphere, city dust haze, photochemical smog and the like are caused, and generated malodorous gas is emitted into the air, so that the environment is polluted, and the health of human beings is seriously threatened.
At present, the industrial waste gas is treated mainly by a physical method, a chemical method and a biological treatment technology, secondary pollution can be avoided or reduced by biological deodorization, the investment is low, the operation cost is low, the equipment is simple, the energy consumption is low, odor components are taken as energy sources in organisms, and various odor components such as carbon systems, sulfur systems, nitrogen systems and the like, and toxic components such as phenol, cyanogen and the like can be oxidized and decomposed into substances such as CO2, H2O, H2SO4 and the like.
The biological trickling filter is a common waste gas biological treatment technology, and has the advantages of low operation cost, lower sludge yield, simple structure, stable operation, high load bearing capacity, high toxicity and the like.
However, the existing biological trickling filter device still has some defects, one can not ensure that the waste gas is fully contacted with water, the purification effect is poor, and the other is lack of a waste gas re-purification and circulation mechanism, which can not ensure that all purified gas discharged by the biological trickling filter device is safe and nontoxic, and is very not beneficial to environmental protection.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a biological trickling filter device for treating industrial waste gas; this a biological trickling filter device for handling industrial waste gas is specially designed for exhaust-gas treatment and forms, and this scheme can make waste gas and water fully contact, and purifying effect is good, and has add the waste gas mechanism of purifying again, when the combustion gas still contains a large amount of harmful components, can be with waste gas repeated purification, just discharge atmosphere, better environmental protection until safe nontoxic.
In order to solve the technical problem, the utility model provides a biological trickling filter device for treating industrial waste gas, including the biological trickling filter cell body, be provided with air inlet and gas outlet on the biological trickling filter cell body, be provided with the microorganism layer in the biological trickling filter cell body, the top on microorganism layer is provided with first washing room, is provided with first sprinkler system in the first washing room; a second washing chamber is arranged below the microbial layer, and a second spraying system is arranged in the second washing chamber; the air outlet is communicated with a purification circulating mechanism.
The utility model discloses in the further improvement, above-mentioned first spraying system includes the medical kit, and the medical kit intercommunication has first circulating pump, and first circulating pump intercommunication has the flow valve, and the flow valve intercommunication has first shower, is provided with first atomizer on the first shower.
Through above-mentioned design, this scheme can be better carry out the first order and spray, during the use, liquid in the medical kit is sprayed first washing indoor and is contacted with waste gas through first circulating pump, flow valve, first shower and first atomizing shower in proper order to purify waste gas.
In the further improvement of the utility model, NaOH lye is placed in the medicine chest.
Through above-mentioned design, this scheme can more effectual improvement spray the effect, NaOH alkali lye can react with acid material in the waste gas on the one hand, but the acid product that on the other hand consumption bacterial metabolism produced, and then improve aerobic fermentation's efficiency, because have corrosivity, so the user when selecting equipment such as flow valve and circulating pump, pay attention to the life that will use corrosion resistance (adopt alkali lye flowmeter, corrosion resisting pump best, the extension part that can be better, reduction use cost.
The utility model discloses in the further improvement, above-mentioned second spraying system is including setting up the waste liquid circulation pond in biological trickling filter cell body bottom, and waste liquid circulation pond intercommunication has the water tank, and the water tank intercommunication has the second circulating pump, and second circulating pump intercommunication has first valve, and first valve intercommunication has the second shower, is provided with second atomizer on the second shower.
Through above-mentioned design, this scheme can be better carry out the second level and spray, during the use, liquid in the waste liquid circulating pool passes through second circulating pump, first valve, second shower and second atomizer in proper order and is contacted with the waste gas after finishing by microorganism layer filtration to purify waste gas once more.
The utility model discloses in the further improvement, the play water end intercommunication of above-mentioned second circulating pump has the circulating pump tee bend, and the three-way one end of circulating pump and first valve intercommunication, the three-way other end intercommunication of circulating pump have the second valve, and second valve intercommunication has waste water recovery case.
Through above-mentioned design, this scheme can more do benefit to the cyclic utilization of waste liquid circulation pond internal water, and water in the waste water circulation pond has acidity after utilizing a period, can not directly discharge the environment in, and waste water recovery case can be collected the water in the waste water circulation pond, carries out treatments such as harm purification again.
The utility model discloses in the further improvement, above-mentioned waste liquid circulation pond intercommunication has the third circulating pump, and third circulating pump intercommunication has outside water source.
Through the above design, this scheme can be more convenient for change the water in the waste liquid circulation pond, and water in the waste water circulation pond can be acid after having absorbed sulphide and nitrogen oxide, and acid can strengthen along with the number of times of circulation increases, can not be fit for the microorganism to survive, so after using a period, need change the water in the waste water circulation pond, open the second valve and arrange the water in the waste water circulation pond, recycle the clean water of third circulating pump with outside and come in.
The utility model discloses in the further improvement, above-mentioned purification cycle mechanism includes the H2S detector with the gas outlet intercommunication, and H2S detector intercommunication has the gas outlet tee bend, and the three-way one end intercommunication of gas outlet has the fourth valve, fourth valve and a washing room intercommunication.
Through above-mentioned design, this scheme can be more convenient for detect and handle the exhaust gas that purifies, during the use, and the H2S detector can detect the gas after purifying, and when the gaseous H2S content after the purification exceeds standard, exhaust gas can get into first washing room again and purify, and when H2S content reached standard, the gas after the purification could be discharged to the atmosphere.
The utility model discloses in the further improvement, above-mentioned three-way other end intercommunication of gas outlet has the third valve, third valve and atmosphere intercommunication.
Through the design, the scheme can be more convenient for discharging the purified waste gas into the atmosphere.
The utility model discloses in the further improvement, be provided with the activated carbon layer between above-mentioned gas outlet and the H2S detector.
Through above-mentioned design, this scheme can further the harmful gas in the absorption waste gas, improves purifying effect.
The utility model discloses in the further improvement, above-mentioned air inlet intercommunication has air compressor.
Through above-mentioned design, the waste gas of this scheme can be more smooth and easy is leading-in to the biological trickling filter in.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a specially form for the exhaust-gas treatment design, this scheme can make waste gas and water fully contact, and purifying effect is good, and has add the waste gas mechanism of purifying again, and when the combustion gas still contains a large amount of harmful components, can be with waste gas repeated purification, until safe nontoxic just the atmosphere of discharging, better environmental protection.
This scheme adopts first spraying system and second spraying system two-stage to spray, makes water and waste gas contact, and purifying effect is good, and has add purification cycle mechanism, and when the combustion gas still contained a large amount of harmful components, can be with waste gas repeated purification, just discharge atmosphere, better environmental protection until safe nontoxic.
Drawings
To more clearly illustrate the background art or the technical solution of the present invention, the drawings used in conjunction with the prior art or the detailed description are briefly described below; obviously, the structure, proportion, size, etc. shown in the drawings are only used for matching with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structure, change of the proportion relation or adjustment of the size should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Shown in the figure: 1-a bio-trickling filter body; 2-microbial layer; 3-a first washing chamber; 4-a medicine chest; 5-a first circulation pump; 6-flow valve; 7-a first shower; 71-a first atomizer; 8-a second washing chamber; 9-a waste liquid circulating tank; 10-a water tank; 11-a second circulation pump; 111-third circulation pump; 12-a first valve; 13-a second valve; 14-a second shower; 141-a second atomizer; 15-air outlet; a 16-H2S detector; 17-a fourth valve; 18-a third valve; 19-an activated carbon layer; 20-an air inlet; 21-air compressor.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention will be described in detail below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention shall fall within the protection scope of the present invention, and meanwhile, the terms such as "upper", "lower", "front", "rear", "middle", etc. cited in the present specification shall be understood only for convenience of description, and are not intended to limit the scope of the present invention which can be implemented, and the relative relationship changes or adjustments thereof, without substantial changes in technical content, the scope of the present invention should also be considered as the following implementable claims.
As shown in fig. 1, a biotrickling filter device for treating industrial waste gas comprises a biotrickling filter body 1, wherein an air inlet 20 and an air outlet 15 are arranged on the biotrickling filter body 1, a microorganism layer 2 is arranged in the biotrickling filter body 1, a first washing chamber 3 is arranged above the microorganism layer 2, and a first spraying system is arranged in the first washing chamber 3; a second washing chamber 8 is arranged below the microbial layer 2, and a second spraying system is arranged in the second washing chamber 8; the air outlet 15 is communicated with a purification circulating mechanism.
The first spraying system comprises a medicine box 4, the medicine box 4 is communicated with a first circulating pump 5, the first circulating pump 5 is communicated with a flow valve 6, the flow valve 6 is communicated with a first spraying pipe 7, and a first atomizing nozzle 71 is arranged on the first spraying pipe 7; NaOH lye is placed in the medicine chest 4.
The second spraying system comprises a waste liquid circulating tank 9 arranged at the bottom of the biological trickling filter tank body 1, the waste liquid circulating tank 9 is communicated with a water tank 10, the water tank 10 is communicated with a second circulating pump 11, the second circulating pump 11 is communicated with a first valve 12, the first valve 12 is communicated with a second spraying pipe 14, and a second atomizing spray head 141 is arranged on the second spraying pipe 14; the water outlet end of the second circulating pump 11 is communicated with a circulating pump tee joint, one end of the circulating pump tee joint is communicated with the first valve 12, the other end of the circulating pump tee joint is communicated with a second valve 13, and the second valve 13 is communicated with a wastewater recovery tank; the waste liquid circulating tank 9 is communicated with a third circulating pump 111, and the third circulating pump 111 is communicated with an external water source.
The purification circulating mechanism comprises an H2S detector 16 communicated with the air outlet 15, the H2S detector 16 is communicated with an air outlet tee joint, one end of the air outlet tee joint is communicated with a fourth valve 17, and the fourth valve 17 is communicated with the first washing chamber 3; the other end of the air outlet tee joint is communicated with a third valve 18, and the third valve 18 is communicated with the atmosphere.
An activated carbon layer 19 is arranged between the air outlet 15 and the H2S detector 16; the air inlet 20 is communicated with an air compressor 21.
At present biological trickling filter can not guarantee waste gas and water fully to contact, and purifying effect is poor, and can not guarantee that its exhaust whole purified gas is harmless, therefore the design of this scheme thinks about spray system design for the two-stage sprays, makes water and waste gas fully contact, adds purification circulation mechanism again, guarantees to purify waste gas and just arranges to the atmosphere after up to standard.
Industrial waste gas enters the first washing chamber through the air compressor, and the waste gas enters from the top of the tank body and flows in the opposite direction to the ascending direction of the gas, so that the retention time of the waste gas in a microorganism layer is prolonged, the sufficient contact time of the waste gas and a circulating liquid is prolonged, and the waste gas treatment efficiency is improved.
NaOH alkali liquor is added into the medicine tank and is pumped into the first washing chamber by the first circulating pump, the adding amount of the medicine is controlled by the flow valve, liquid is vaporized into a mist shape in a spraying state to be fully contacted with waste gas, and the NaOH alkali liquor can react with the waste gas and acidic substances generated by metabolism of strains, so that the aerobic fermentation efficiency is improved.
The vaporous waste gas enters a microbial layer, volatile organic compounds and malodorous gas in the waste gas are consumed by strains, and the preliminarily purified waste gas enters a second washing chamber; the water in the waste water circulating pool can be acidic after absorbing sulfides and nitrogen oxides, the acidity is enhanced along with the increase of the circulating times, and the water is not suitable for the survival of microorganisms.
Purified gas circulating device has installed activated carbon layer and H2S detector, harmful gas in the active carbon can the adsorbed waste gas, further improve purifying effect, H2S detector can detect the gas after the purification, when the gaseous H2S content after the purification exceeds standard, close the third valve, open the fourth valve, waste gas reenters first washing room and purifies, when H2S content reached standard, close the fourth valve, open the third valve, gas after will purifying is discharged can.
The device is provided with two-stage spraying, the first-stage spraying device adds NaOH alkali liquor into the medicine chest, so that on one hand, the NaOH alkali liquor can react with acidic substances in waste gas, on the other hand, acidic products generated by metabolism of strains can be consumed, and the aerobic fermentation efficiency is further improved; the second level sprays and sets up the hydrologic cycle mechanism, and first can the water economy resource avoid extravagant, and the second can further purify waste gas, improves exhaust-gas treatment efficiency.
The biological trickling filter has the advantages of low operating cost, simple structure, convenient operation and stable operation, and can treat mixed gas and high-toxic substances with different properties.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a biological trickling filter device for handling industrial waste gas, includes biological trickling filter cell body, be provided with air inlet and gas outlet on the biological trickling filter cell body, its characterized in that: a microbial layer is arranged in the biological trickling filter body, a first washing chamber is arranged above the microbial layer, and a first spraying system is arranged in the first washing chamber; a second washing chamber is arranged below the microbial layer, and a second spraying system is arranged in the second washing chamber; the air outlet is communicated with a purification circulating mechanism.
2. The biotrickling filter device for treating industrial waste gas according to claim 1, characterized in that: first spraying system includes the medical kit, and the medical kit intercommunication has first circulating pump, and first circulating pump intercommunication has the flow valve, and the flow valve intercommunication has first shower, is provided with first atomizer on the first shower.
3. The biotrickling filter device for treating industrial waste gas according to claim 2, characterized in that: NaOH alkali liquor is placed in the medicine chest.
4. The biotrickling filter device for treating industrial waste gas according to claim 1, characterized in that: the second spraying system comprises a waste liquid circulating tank arranged at the bottom of the biological trickling filter tank body, the waste liquid circulating tank is communicated with a water tank, the water tank is communicated with a second circulating pump, the second circulating pump is communicated with a first valve, the first valve is communicated with a second spraying pipe, and a second atomizing spray head is arranged on the second spraying pipe.
5. The biotrickling filter device for treating industrial waste gas according to claim 4, characterized in that: the water outlet end of the second circulating pump is communicated with a circulating pump tee joint, one end of the circulating pump tee joint is communicated with the first valve, the other end of the circulating pump tee joint is communicated with a second valve, and the second valve is communicated with a wastewater recovery tank.
6. The biotrickling filter device for treating industrial waste gas according to claim 4, characterized in that: the waste liquid circulating tank is communicated with a third circulating pump, and the third circulating pump is communicated with an external water source.
7. The biotrickling filter device for treating industrial waste gas according to claim 1, characterized in that: the purification circulating mechanism comprises an H communicated with the air outlet2S detector, H2The S detector is communicated with a gas outlet tee joint, one end of the gas outlet tee joint is communicated with a fourth valve, and the fourth valve is communicated with the first washing chamber.
8. The biotrickling filter device for treating industrial waste gas according to claim 7, characterized in that: and the other end of the air outlet tee joint is communicated with a third valve, and the third valve is communicated with the atmosphere.
9. The biotrickling filter device for treating industrial waste gas according to claim 7, characterized in that: the gas outlet and H2An activated carbon layer is arranged between the S detectors.
10. The biotrickling filter device for treating industrial waste gas according to claim 1, characterized in that: the air inlet is communicated with an air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020242099.7U CN211800021U (en) | 2020-03-02 | 2020-03-02 | Biological trickling filter device for treating industrial waste gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020242099.7U CN211800021U (en) | 2020-03-02 | 2020-03-02 | Biological trickling filter device for treating industrial waste gas |
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| CN211800021U true CN211800021U (en) | 2020-10-30 |
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| CN202020242099.7U Active CN211800021U (en) | 2020-03-02 | 2020-03-02 | Biological trickling filter device for treating industrial waste gas |
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