CN202983511U - Waste gas treatment device - Google Patents
Waste gas treatment device Download PDFInfo
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- CN202983511U CN202983511U CN2012207305897U CN201220730589U CN202983511U CN 202983511 U CN202983511 U CN 202983511U CN 2012207305897 U CN2012207305897 U CN 2012207305897U CN 201220730589 U CN201220730589 U CN 201220730589U CN 202983511 U CN202983511 U CN 202983511U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses a waste gas treatment device. The waste gas treatment device comprises an active sludge tank, a liquid pump, a liquid-phase anaerobic biological membrane tank, a liquid-phase aerobic biological membrane tank, a gas-phase biological membrane tank, a material conveying tube and a discharging tube, wherein through the liquid pump, the active sludge of the active sludge tank is pumped to the liquid-phase anaerobic biological membrane tank, the liquid-phase aerobic biological membrane tank and the gas-phase biological membrane tank, respectively; the active sludge is returned to the active sludge tank from the discharging tube; an air inlet is formed on the liquid-phase anaerobic biological membrane tank, the liquid-phase aerobic biological membrane tank and the gas-phase biological membrane tank, respectively; and filler is contained in the air inlets; a gas pump is communicated with a lower outlet of the liquid-phase anaerobic biological membrane tank; an upper outlet of the liquid-phase anaerobic biological membrane tank is communicated with a lower outlet of the liquid-phase aerobic biological membrane tank by a pipeline with a first flow rate meter; an upper outlet of the liquid-phase aerobic biological membrane tank is communicated with a lower outlet of the gas-phase biological membrane tank by a pipeline with a second flow meter. The liquid-gas anaerobic-aerobic waste gas treatment device is adopted, so that the degradation treatment capacity of the waste gas is improved.
Description
Technical field
The utility model relates to the air cleaning facility technical field, particularly relates to a kind of device of exhaust-gas treatment.
Background technology
In refuse landfill, waste water treatment plant and chemical plant, to produce and all can produce when processing discarded object and contain odorous waste gas, these gases affect environment are detrimental to health, so these waste gas must be processed.The biomembrane purification technology that adopt are processed industrial waste gas more in recent years, and the biomembrane purification technology is a kind of technology that natural organic-biological degraded is processed industrial waste gas of using.
Existing emission-control equipment, adopt biofilm reactor that waste gas is processed, activated sludge is from the upper inlet spray of biofilm reactor, waste gas enters from the lower inlet of biofilm reactor, waste gas contacts with activated sludge in biofilm reactor, organic molecule in waste gas is decomposed by the microorganism in activated sludge, reaches the purpose of exhaust-gas treatment.But in the prior art, be only that organic molecule is had degradation capability preferably, and limited to the exhaust gas decomposition disposal ability of high concentration, difficult degradation.
The utility model content
The purpose of this utility model is to provide a kind of device of exhaust-gas treatment, in order to improve the degradation treatment ability to high concentration, difficult degradation waste gas.
The device of the utility model exhaust-gas treatment comprises:
Activated sludge tank, liquid pump, liquid phase anaerobic organism film tank, the gentle phase biomembrane of liquid phase aerobic biologic membrane tank tank, and conveying pipeline and discharge nozzle, by described liquid pump, the activated sludge of activated sludge tank is pumped into respectively liquid phase anaerobic organism film tank, the gentle phase biomembrane of liquid phase aerobic biologic membrane tank tank through conveying pipeline, activated sludge is got back to activated sludge tank from discharge nozzle, and described liquid phase anaerobic organism film tank, the gentle phase biomembrane of liquid phase aerobic biologic membrane tank tank are respectively arranged with into air scoop and inside filler is housed;
Air pump, be communicated with the lower outlet of described liquid phase anaerobic organism film tank, the upper outlet of described liquid phase anaerobic organism film tank is communicated with the lower outlet of described liquid phase aerobic biologic membrane tank by the pipeline that is provided with the first flow meter, and the upper outlet of described liquid phase aerobic biologic membrane tank is communicated with the lower outlet of described gas phase biomembrane tank by the pipeline that is provided with the second flowmeter.
Preferably, described filler is high-molecular porous filler.
Better, described high-molecular porous filler is doughnut section, polyethylene foams or block micro-filtration core.
The device of described exhaust-gas treatment also comprises vacuum plant, and the upper outlet of described gas phase biomembrane tank is communicated with described vacuum plant by the pipeline that is provided with the 3rd flowmeter.
The device of the utility model exhaust-gas treatment has good treatment effect to the waste gas that waste residue residual in the tobacco production process produces especially after fermentation.
In the device of the utility model exhaust-gas treatment, be organic molecule with the large molecular breakdown of the organic matter in waste gas in liquid phase anaerobic organism film tank, in liquid phase aerobic biologic membrane tank, organic molecule is decomposed into carbon dioxide and water, in gas phase biomembrane tank, the inorganic waste gases such as remaining organic molecule and ammonia nitrogen are decomposed, the gas of discharging has reached discharging standards, therefore, emission-control equipment of the present utility model can carry out degradation treatment to the waste gas of high concentration, difficult degradation, has reduced the pollution of waste gas to environment.
Description of drawings
Fig. 1 is the apparatus structure schematic diagram of the utility model exhaust-gas treatment.
Reference numeral:
The 1-activated sludge tank; The 2-liquid pump; 3-liquid phase anaerobic organism film tank; 4-liquid phase aerobic biologic membrane tank;
5-gas phase biomembrane tank; 6-first flow meter; 7-the second flowmeter; 8-the 3rd flowmeter;
The 9-air pump; The 10-vacuum plant; 31 ~ 37-valve; 41 ~ 47-valve; 51 ~ 57-valve
The specific embodiment
In order to improve the degradation treatment ability to high concentration, difficult degradation waste gas, the utility model provides a kind of device of exhaust-gas treatment.in this technical scheme, at first respectively to liquid phase anaerobic organism film tank, the filler of the gentle phase biomembrane tank of liquid phase aerobic biologic membrane tank inside carries out biofilm, then pass into waste gas, be little molecule with the large molecular breakdown of the organic matter in waste gas in liquid phase anaerobic organism film tank, be carbon dioxide and water with little molecular breakdown in liquid phase aerobic biologic membrane tank, in gas phase biomembrane tank, the inorganic waste gases such as ammonia nitrogen are decomposed, the gas of discharging has reached discharging standards, therefore, the device of exhaust-gas treatment of the present utility model can be to high concentration, the waste gas of difficult degradation is processed, reduced the pollution of waste gas to environment.For making the purpose of this utility model, technical scheme and advantage clearer, below lift specific embodiment the utility model is described in further detail.
As shown in Figure 1, the device of the exhaust-gas treatment of the utility model embodiment comprises:
Activated sludge tank 1, liquid pump 2, liquid phase anaerobic organism film tank 3, the gentle phase biomembrane tank 5 of liquid phase aerobic biologic membrane tank 4, and conveying pipeline and discharge nozzle, by liquid pump 2, the activated sludge of activated sludge tank 1 is pumped into respectively liquid phase anaerobic organism film tank 3, the gentle phase biomembrane tank 5 of liquid phase aerobic biologic membrane tank 4 through conveying pipeline, activated sludge is got back to activated sludge tank 1 from discharge nozzle, and described liquid phase anaerobic organism film tank 3, the gentle phase biomembrane tank 5 of liquid phase aerobic biologic membrane tank 4 are respectively arranged with into air scoop and inside filler is housed;
Air pump 9, be communicated with the lower outlet of liquid phase anaerobic organism film tank 3, the upper outlet of liquid phase anaerobic organism film tank 3 is communicated with the lower outlet of liquid phase aerobic biologic membrane tank 4 by the pipeline that is provided with first flow meter 6, and the upper outlet of liquid phase aerobic biologic membrane tank 4 is communicated with the lower outlet of gas phase biomembrane tank 5 by the pipeline that is provided with the second flowmeter 7.
In the utility model embodiment, air pump 9 is used for driving waste gas, and its form can be for multiple, as plunger displacement pump etc.; Liquid pump 2 is used for driving activated sludge, also can be various ways; First flow meter 6 and the second flowmeter 7 can be regulated the flow of waste gas, avoid the pressure of liquid phase anaerobic organism film tank 3, the gentle phase biomembrane tank 5 of liquid phase aerobic biologic membrane tank 4 too large or too little; Activated sludge tank 1 is used for cultivating the microorganism of foul smell in degradable waste gas, has the nutriment of growth of microorganism in activated sludge, and can regulate the pH value of activated sludge according to the kind of waste gas.at first by liquid pump, activated sludge is pumped into liquid phase anaerobic organism film tank, in the gentle phase biomembrane of liquid phase aerobic biologic membrane tank tank, activated sludge returns in activated sludge tank by discharge nozzle, circulation is repeatedly carried out biofilm to filler, then adopt air pump to pass through successively liquid phase anaerobic organism film tank by waste gas, the gentle phase biomembrane of liquid phase aerobic biologic membrane tank tank, in liquid phase anaerobic organism film tank, main to the organic macromolecule in waste gas such as macromolecular alcohol, aldehyde and ketone etc. are degraded, it is degraded to organic molecule, organic molecule enters into liquid phase aerobic biologic membrane tank, major part is decomposed into carbon dioxide and water by activated sludge, enter gas phase biomembrane tank from liquid phase aerobic biologic membrane tank upper outlet waste gas out, mainly the inorganic waste gases such as remaining small part organic molecule and ammonia nitrogen are decomposed, reach discharging standards from gas phase biomembrane tank upper outlet waste gas out, directly can enter in atmosphere, with respect to prior art, improved high concentration, the degradation treatment ability of difficult degradation waste gas, reduced the pollution of waste gas to environment.
Preferably, described filler is high-molecular porous filler.
Filler can be for multiple, because high-molecular porous filler has very large specific area, therefore the activated sludge biofilm is very large to the surface area of filler, when waste gas contacts with activated sludge, increase the time of contact of gas and activated sludge, improved the decomposition efficiency of activated sludge to waste gas middle and high concentration, hard-degraded substance.
Better, described high-molecular porous filler is doughnut section, polyethylene foams or block micro-filtration core.
For the doughnut section, itself has surfaces externally and internally, larger specific area is arranged, especially adopt hydrophilic radical to carry out modification to the surfaces externally and internally of doughnut section, improved the affinity of doughnut section and Microbial Communities in Activated Sludge, make microorganism be easy to grow at doughnut section surfaces externally and internally, increased the degradation capability to waste gas, for polyethylene foams and block micro-filtration core, this bi-material also has very large specific area, increase the biofilm area, improved the degradation capability of activated sludge to waste gas.
The device of the utility model exhaust-gas treatment also comprises vacuum plant 10, and the upper outlet of gas phase biomembrane tank 5 is communicated with vacuum plant 10 by the pipeline that is provided with the 3rd flowmeter 8.
Waste gas passes through liquid phase anaerobic organism film tank, the gentle phase biomembrane of liquid phase aerobic biologic membrane tank tank successively by the driving of air pump, upper outlet at gas phase biomembrane tank increases a vacuum plant, vacuum plant and air pump acting in conjunction, increase the motive force of waste gas when the biomembrane tank flows, improved the efficient of exhaust-gas treatment.
in the technical solution of the utility model, owing at first filler being carried out biofilm, namely activated sludge is attached to filling surface and forms one deck biomembrane, for evacuation of liquid activated sludge after gas phase biomembrane tank biofilm, make waste gas by the time directly contact with the microorganism that is attached to filling surface, the waste gas that needs to process passes through liquid phase anaerobic organism film tank successively by the driving effect of air pump, the gentle phase biomembrane of liquid phase aerobic biologic membrane tank tank, liquid phase anaerobic bacteria in liquid phase anaerobic organism film tank has good degradation capability to the organic macromolecule in waste gas, it is degraded to organic molecule, organic molecule enters liquid phase aerobic biologic membrane tank major part and is degraded to carbon dioxide and water by the liquid phase aerobic bacteria, waste gas enters in gas phase biomembrane tank, the gas phase aerobic bacteria is further degraded to remaining organic molecule and ammonia nitrogen in waste gas, by these three grades of biomembrane tanks, toxic emission is up to state standards, can directly be disposed in atmosphere, reduced the pollution of waste gas to atmosphere.
Use specific embodiment of the utility model emission-control equipment, as shown in Figure 1, adopt air pump and vacuum plant acting in conjunction as gas push power, adopt the doughnut section as filler, its technical process is as follows:
After filler is carried out biofilm, stop blasting air, open the valve 52 of gas phase biomembrane tank 5, the liquid activated sludge in air-discharging phase biomembrane 5;
valve-off 31, valve 32, valve 33, valve 34, valve 35, valve 41, valve 42, valve 43, valve 44, valve 46, valve 51, valve 52, valve 53, valve 54 and valve 56 are opened valve 36, valve 37, valve 45, valve 47, valve 55 and valve 57 are opened air pump 9 and vacuum plant 10, and waste gas passes through liquid phase anaerobic organism film tank 3 successively through air pump 9, the gentle phase biomembrane tank 5 of liquid phase aerobic biologic membrane tank 4, then by vacuum plant 10, reach discharging standards, directly be discharged in atmosphere, in liquid phase anaerobic organism film tank 3, the biomembrane of filling surface is mainly to the organic macromolecule in waste gas such as macromolecular alcohol, aldehyde and ketone etc. are degraded, it is degraded to organic molecule, organic molecule enters into liquid phase aerobic biologic membrane tank 4, major part is decomposed into carbon dioxide and water by activated sludge, enter gas phase biomembrane tank 5 from liquid phase aerobic biologic membrane tank 4 upper outlets waste gas out, mainly remaining small part organic molecule and ammonia nitrogen are decomposed, by the processing of these three grades of biomembrane tanks to waste gas, reach discharging standards through the waste gas after vacuum plant, can directly be discharged in atmosphere.
As seen, in the technical solution of the utility model, adopt the technique that liquid phase combines with gas phase, anaerobism combines with multi-stage aerobic, and adopt air pump and vacuum plant acting in conjunction to promote γ-ray emission is powerful, improved the degradation treatment ability to high concentration, difficult degradation waste gas, be specially adapted to process waste residue residual in the tobacco production process at the waste gas that produces after fermentation.
Obviously, those skilled in the art can carry out various changes and modification and not break away from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model also is intended to comprise these changes and modification interior.
Claims (4)
1. the device of an exhaust-gas treatment, is characterized in that, comprising:
activated sludge tank (1), liquid pump (2), liquid phase anaerobic organism film tank (3), liquid phase aerobic biologic membrane tank (4) gentle phase biomembrane tank (5), and conveying pipeline and discharge nozzle, by described liquid pump (2), the activated sludge of activated sludge tank (1) is pumped into respectively liquid phase anaerobic organism film tank (3) through conveying pipeline, liquid phase aerobic biologic membrane tank (4) gentle phase biomembrane tank (5), activated sludge is got back to activated sludge tank (1) from discharge nozzle, described liquid phase anaerobic organism film tank (3), liquid phase aerobic biologic membrane tank (4) gentle phase biomembrane tank (5) is respectively arranged with into air scoop and inside filler is housed,
Air pump (9), be communicated with the lower outlet of described liquid phase anaerobic organism film tank (3), the upper outlet of described liquid phase anaerobic organism film tank (3) is communicated with the lower outlet of described liquid phase aerobic biologic membrane tank (4) by the pipeline that is provided with first flow meter (6), and the upper outlet of described liquid phase aerobic biologic membrane tank (4) is communicated with the lower outlet of described gas phase biomembrane tank (5) by the pipeline that is provided with the second flowmeter (7).
2. emission-control equipment as claimed in claim 1, is characterized in that, described filler is high-molecular porous filler.
3. emission-control equipment as claimed in claim 2, is characterized in that, described high-molecular porous filler is doughnut section, polyethylene foams or block micro-filtration core.
4. emission-control equipment as claimed in claim 1, is characterized in that, also comprises vacuum plant (10), and the upper outlet of described gas phase biomembrane tank (5) is communicated with described vacuum plant (10) by the pipeline that is provided with the 3rd flowmeter (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207305897U CN202983511U (en) | 2012-12-26 | 2012-12-26 | Waste gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207305897U CN202983511U (en) | 2012-12-26 | 2012-12-26 | Waste gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202983511U true CN202983511U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207305897U Withdrawn - After Issue CN202983511U (en) | 2012-12-26 | 2012-12-26 | Waste gas treatment device |
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| Country | Link |
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| CN (1) | CN202983511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007740A (en) * | 2012-12-26 | 2013-04-03 | 中国电子工程设计院 | Waste gas treatment method and device |
-
2012
- 2012-12-26 CN CN2012207305897U patent/CN202983511U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007740A (en) * | 2012-12-26 | 2013-04-03 | 中国电子工程设计院 | Waste gas treatment method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130612 Effective date of abandoning: 20140827 |