CN101898077A - Combined-type biological fermentation waste gas treatment device and method - Google Patents
Combined-type biological fermentation waste gas treatment device and method Download PDFInfo
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Abstract
The invention discloses a combined-type biological fermentation waste gas treatment device and a combined-type biological fermentation waste gas treatment method. The method comprises a biological waste gas pretreatment step and a biological waste gas treatment step, wherein the biological waste gas pretreatment step comprises the following steps of: dehumidifying biological fermentation waste gas by using a front gas-liquid separator, decontaminating the biological fermentation waste gas by using a gas filter, and finally cooling the biological fermentation waste gas by using a spray tower; and the biological waste gas treatment step comprises the following step of: treating the biological fermentation waste gas subjected to the biological waste gas pretreatment step by using a biological waste gas treater and/or a plasma waste gas treater. Therefore, the device and the method can effectively treat the biological fermentation waste gas with low VOC content, strong stench and smoke bands so as to fulfill the aim of purifying air.
Description
Technical field
The invention belongs to environmental protection technical field, relate to a kind of emission-control equipment and method, particularly a kind of combined-type biological fermentation waste gas treatment device and method.
Background technology
All stimulate olfactory organ to cause that the smell of unhappy sensation of people and infringement living environment is referred to as stench, and the material with foul odour is called as odorant pollutant.Stench is a kind of form of atmosphere pollution, but because its particularity, a lot of countries treat it as single-row public hazards.Stench has become a kind of in seven kinds of typical public hazards in the world today (atmosphere pollution, water pollution, soil pollution, noise pollution, vibration, land subsidence, stench).
A current important environmental problem---odor pollution attracts much attention.In some developed countries, the ratio that people complain stench is more and more higher.As in Australia, to the complaint of stench account for that environmental pollution complains 91.3%; In the U.S., account for more than 50% of whole air pollutions complaints; In Japan is to be only second to second that noise pollution is complained.
Can produce the high gravity fermentation waste liquid in the biofermentation production process, generally handle this fermented waste fluid at present in the following ways: at first add nontoxic high polymer coagulant fox extracting thallus protein, then adopt evaporimeter under vacuum state, to carry out evaporation and concentration, adopt spray granulation drier to carry out drying-granulating at last.In the whitewashing dry run, a large amount of moisture evaporate under the elevated temperature heat wind action and forms steam, organic gas and small solid particulate matter, mixes the waste gas that formation has stench with gas in the drying machine.
Though can eliminate most solid contents by methods such as electric precipitation and venturi sprays, but still there is strong unhappy smell in waste gas, with the amino acid fermentation is example, composition in the waste gas is except that steam and air, be mainly volatile organic compound (being called for short VOCs), comprise 31 of alkane derivatives, 3 of alkenes compounds, 19 of aromatic series compounds, 9 of ester type compounds, 1 of ketone compounds, 1 of aldehyde compound, 2 of alcohol compounds, 1 of organic acid compound, according to chemical property, above component has smell mostly.
This biofermentation waste gas has following four main features: 1) VOCs content is not high, and is general most below 40ppm; 2) temperature is higher, surpasses 60 degree mostly; 3) steam and aqueous water content are very high in the waste gas; 4) there are a large amount of aerosols, visually are easy to form the cigarette band.Therefore, for biofermentation waste gas, conventional waste gas processing method can not obtain effect preferably, and for example if adopt absorption method, because the water vapour content height, adsorbent reaches capacity rapidly, and it is huge to take off suction process energy consumption; And adopt the single creature method, then the gasinlet temperature height is difficult to find suitable biological inoculum to be fit to such temperature.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, a kind of combined-type biological fermentation waste gas processing method is provided, it carries out humidity, adjustment with biological waste gas earlier, and then by gas pipeline introduce by biological exhaust processor and/emission-control equipment that the plasma exhaust processor is formed handles, to handle this VOCs low content effectively, to have the biofermentation waste gas of fetor and cigarette band, reach the purpose that air is evolved.
For realizing above technical purpose, the present invention will take following technical scheme:
A kind of combined-type biological fermentation waste gas processing method, may further comprise the steps: the pre-treatment of (1) biological waste gas: gas-liquid separator carries out the dehumidification treatments of biofermentation waste gas before adopting, the removal of impurities of then adopting pneumatic filter to carry out biofermentation waste gas is handled, adopt spray column to handle at last with the cooling of carrying out this biofermentation waste gas, the temperature of spray liquid is 32～35 ℃ in the described spray column, and the initial COD content of spray liquid is less than 5mg/L in the spray column, and the final COD content of spray liquid is no more than 5000mg/L in the spray column simultaneously; (2) biological exhaust-gas treatment: adopt biological exhaust processor and/or plasma exhaust processor to handling through the biofermentation waste gas of step (1) pre-treatment operation, the described time of staying of biofermentation waste gas in biological exhaust processor is 5～20 seconds, relative humidity in the biological exhaust processor of while is greater than 80%, and the pH value of biological exhaust processor is 6～8; The time of staying of biofermentation waste gas in the plasma exhaust processor then is 9～11 seconds, and the operating voltage of plasma exhaust processor is 80～120kV simultaneously.
Described biofermentation waste gas enters the plasma exhaust processor carry out exhaust-gas treatment before, earlier carry out dehumidification treatments by the back gas-liquid separator.
Another goal of the invention of the present invention provides a kind of combined-type biological fermentation waste gas treatment device that is used to realize combinations thereof formula biofermentation waste gas processing method, comprise blower fan, be used for waste gas pretreating device and emission-control equipment that biological EGT humidity removal of impurities is handled, the air outlet of described blower fan successively with the waste gas pretreating device, emission-control equipment is connected in series by gas pipeline, and described emission-control equipment by biological exhaust processor and/the plasma exhaust processor combines, simultaneously, described waste gas pretreating device and emission-control equipment all are respectively arranged with waste liquid outlet.
Described waste gas pretreating device comprises preceding gas-liquid separator, pneumatic filter and the spray column that connects by gas pipeline successively, described spray column is provided with spray liquid import and spray liquid outlet, and be connected with the spray liquid cooling-cycle device between the outlet of spray liquid import and spray liquid, and gas-liquid separator and spray column are respectively arranged with waste liquid outlet before described.
Described spray liquid cooling-cycle device comprises recuperator and cooling tower, described cooling tower import, the cold side passage of recuperator and cooling tower outlet are communicated with by connecting pipe, and on the connecting pipe between described cooling tower outlet and the recuperator cold side passage cooling water circulating pump is installed, described spray liquid import, the hot-side channel of recuperator and spray liquid outlet are communicated with by connecting pipe, and on the connecting pipe between described recuperator hot-side channel and the spray liquid import spray pump is installed, and on the connecting pipe between described recuperator hot-side channel and the spray liquid outlet spray liquid filter is installed.
Described recuperator is tubular heat exchanger and plate type heat exchanger.
Described emission-control equipment comprises the biological exhaust processor that is linked in sequence, back gas-liquid separator and plasma exhaust processor, and described back gas-liquid separator and plasma exhaust processor are respectively arranged with waste liquid outlet.
Described emission-control equipment is biological exhaust processor.
Described biological exhaust processor is connected with the nutrition liquid bath with water supply tank by pipeline respectively.
Described emission-control equipment comprises plasma exhaust processor and the secondary plasma exhaust processor that is linked in sequence, and the back gas-liquid separator is installed on the gas pipeline between plasma exhaust processor and the EGT humidity control apparatus, and back gas-liquid separator, plasma exhaust processor and secondary plasma exhaust processor are respectively arranged with waste liquid outlet.
According to above technical scheme, can realize following beneficial effect:
1, utilize spray column that biofermentation waste gas is sprayed cooling, because gas-liquid directly contacts, heat exchange efficiency is very high, biofermentation waste gas can effectively be lowered the temperature by spray liquid, biofermentation waste gas after the cooling can not cause biological inoculum death owing to high temperature in the biological exhaust processor, the treatment effeciency of biofermentation waste gas in the plasma exhaust processor after the cooling also can increase simultaneously, can effectively destroy the aerosol in the waste gas, the visual pollution that the cigarette band that minimizing produces owing to aerosol causes;
2, the low-temperature cooling water heat exchange of adopting dividing wall type heat exchanger and cooling tower to produce of the spray liquid after heating up is lowered the temperature, thus spray liquid can recycle for a long time, thereby saved the load of water resources consumption and subsequent wastewater treatment device, the economical operation type is good;
3, can be according to the height of content of material difference, preorder technology difference and VOCs in the biofermentation waste gas, group technology is adjusted accordingly, biological exhaust processor or plasma exhaust processor for example only are set, or two-stage plasma exhaust processor is set, thereby improve the scope of application of the present invention and flexibility.
Description of drawings
Fig. 1 is cooling, biology and single-stage plasma treatment combined treatment device schematic diagram;
Fig. 2 is cooling and biological treatment composite set schematic diagram;
Fig. 3 is cooling, two-stage plasma treatment composite set schematic diagram;
Wherein, 1 is blower fan; 2 is preceding gas-liquid separator; 3 is pneumatic filter; 4 is spray pump; 5 is spray column; 6 is the spray liquid filter; 7 is recuperator; 8 is cooling tower; 9 is cooling water circulating pump; 10 is biological exhaust processor; 11 is the back gas-liquid separator; 12 is the plasma exhaust processor; 13 is water supply tank; 14 are the nutrition liquid bath; 15 is second level plasma exhaust processor.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is done and to describe in further detail.
Combined-type biological fermentation waste gas processing method of the present invention, may further comprise the steps: the pre-treatment of (1) biological waste gas: gas-liquid separator 2 carries out the dehumidification treatments of biofermentation waste gas before adopting, the removal of impurities of then adopting pneumatic filter 3 to carry out biofermentation waste gas is handled, adopt spray column 5 to handle at last with the cooling of carrying out this biofermentation waste gas, the temperature of spray liquid is 32～35 ℃ in the described spray column 5, and the initial COD content of spray liquid is less than 5mg/L in the spray column 5, and the final COD content of spray liquid is no more than 5000mg/L in the spray column 5 simultaneously; (2) biological exhaust-gas treatment: adopt 12 pairs of biofermentation waste gas of biological exhaust processor 10 and/or plasma exhaust processor to handle through step (1) pre-treatment operation, the time of staying of described biofermentation waste gas in biological exhaust processor 10 is 5～20 seconds, relative humidity in the simultaneously biological exhaust processor 10 is greater than 80%, and the pH value of biological exhaust processor 10 is 6～8; The time of staying of biofermentation waste gas in plasma exhaust processor 12 then is 9～11 seconds, and the operating voltage of plasma exhaust processor 12 is 80～120kV simultaneously; In addition, described biofermentation waste gas enters plasma exhaust processor 12 carry out exhaust-gas treatment before, earlier carry out dehumidification treatments by back gas-liquid separator 11.
A kind of combined-type biological fermentation waste gas treatment device that is used to realize combinations thereof formula biofermentation waste gas processing method provided by the present invention, as shown in Figures 1 to 3, comprise blower fan 1, be used for waste gas pretreating device and emission-control equipment that biological EGT humidity removal of impurities is handled, the air outlet of described blower fan 1 successively with the waste gas pretreating device, emission-control equipment is connected in series by gas pipeline, and described emission-control equipment by biological exhaust processor 10 and/plasma exhaust processor 12 combines, simultaneously, described waste gas pretreating device and emission-control equipment all are respectively arranged with waste liquid outlet.Described waste gas pretreating device comprises preceding gas-liquid separator 2, pneumatic filter 3 and the spray column 5 that connects by gas pipeline successively, described spray column 5 is provided with spray liquid import and spray liquid outlet, and be connected with the spray liquid cooling-cycle device between the outlet of spray liquid import and spray liquid, and gas-liquid separator 2 and spray column 5 are respectively arranged with waste liquid outlet before described.Described spray liquid cooling-cycle device comprises recuperator 7 and cooling tower 8, described recuperator 7 is tubular heat exchanger and plate type heat exchanger, described cooling tower 8 imports, the cold side passage of recuperator 7 and cooling tower 8 outlets are communicated with by connecting pipe, and on the connecting pipe between described cooling tower 8 outlets and the recuperator 7 cold side passages cooling water circulating pump 9 is installed, described spray liquid import, the hot-side channel of recuperator 7 and spray liquid outlet are communicated with by connecting pipe, and spray pump 4 is installed on the connecting pipe between described recuperator 7 hot-side channels and the spray liquid import, and on the connecting pipe between described recuperator 7 hot-side channels and the spray liquid outlet spray liquid filter 6 is installed.
Fig. 1 to Fig. 3 discloses the emission-control equipment of three kinds of various combination forms, at length narrates this three kinds of embodiments below with reference to accompanying drawing:
Embodiment 1
As shown in Figure 1, it discloses the described combined-type biological fermentation waste gas treatment device of present embodiment is " spraying cooling+biological treatment+plasma treatment " assembled scheme, i.e. blower fan 1 outlet is connected in series with preceding gas-liquid separator 2, pneumatic filter 3, spray column 5, biological exhaust processor 10, back gas-liquid separator 11 and plasma exhaust processor 12 successively by gas pipeline; Gas-liquid separator 2, spray column 5, back gas-liquid separator 11 and plasma exhaust processor 12 bottoms all are provided with wastewater outlet simultaneously, and by pipe influx together; Spray column 5 tops are provided with the spray liquid import, and spray column 5 bottoms are provided with the spray liquid outlet, and are connected with spray liquid filter 6, recuperator 7 hot-side channels and spray pump 4 in turn by water pipe between spray liquid import and spray liquid outlet; Cooling tower 8 bottom coolant outlets are to being connected with cooling water circulating pump 9 and recuperator 7 cold side passages in turn by water pipe between its cooling water inlet, top, therefore, the described emission-control equipment of present embodiment comprises biological exhaust processor 10, back gas-liquid separator 11 and the plasma exhaust processor 12 that is linked in sequence.
The operation principle of present embodiment is as follows:
After the waste gas that blower fan 1 produces amino acid fermentation was introduced, EGT was 55 degree, and exhaust gas flow is 8000m
3/ h (operating mode), waste gas VOCs is 30ppm, at first pass through preceding gas-liquid separator 2 with the liquid moisture removal in the waste gas, by pneumatic filter 3 solid impurity in the waste gas is removed the back then and feed spray column 5 lower gas inlet, thereby with the reverse temperature that reduces waste gas that contacts of the cold water spray liquid of top-down 35 degree in the spray column 5, the spray liquid flow is 680m
3/ h, EGT after the cooling is 37 degree, and draw from spray column 5 tops, then enter biological exhaust processor 10 by gas pipeline, waste gas stops after 6 seconds in biological exhaust processor 10, and after carrying out biochemical reaction, enter back gas-liquid separator 11 and remove aqueous water, enter plasma exhaust processor 12 from the back waste gas that leaves of gas-liquid separator 11, plasma exhaust processor 12 operating voltages were 90kV greater than 12 seconds the time of staying in plasma exhaust processor 12; Hot spray liquid temperature after spray heats up in the spray column 5 is 40 degree, and draw from spray column 5 bottoms, flow into spray liquid filter 6, flow into recuperator 7 hot-side channels after removing solid impurity, with the cooling water heat exchange of flowing through recuperator 7 cold side passages be cooled to 37 the degree after, after spray pump 4 pressurizations, enter spray column 5 tops once more, be used for cooling exhaust; The cooling water temperature that flows out recuperator 7 cold side passages is 37 degree, after entering cooling tower 8, directly contact with outside air, the heat absorption of part cooling water evaporation, make the cooling water temperature that leaves cooling tower 8 bottoms be reduced to 32 degree, under the effect of cooling water circulating pump 9, flow into recuperator 7 cold side passages once more then, be used for the hot spray liquid cooling to recuperator 7 hot-side channels of flowing through, cooling water flow also is 680m
3/ h; The aqueous water that produces in preceding gas-liquid separator 2, back gas-liquid separator 11 and the plasma exhaust processor 12 enters follow-up wastewater treatment equipment after all collecting by pipeline; After the COD of the hot spray liquid in spray column 5 bottoms was 10000mg/L, then all spray liquids were all discharged by wastewater outlet in the spray column 5, and changed the spray liquid of COD content less than 5mg/L.
After waste gas is lowered the temperature by spray column 5, in biological exhaust processor 10, biochemical reaction is normally carried out, the bacterial classification of being cultivated can produce aerobic reaction, organic matter in the waste gas is converted into carbon dioxide and water, thereby the VOCs in the reduction waste gas, enter in the plasma exhaust processor 12 after, under the high voltage electric field effect, part unconverted organic matter in biological exhaust processor 10 further is decomposed, and aerosol is destroyed by electric field simultaneously.The waste gas VOCs that leaves behind the plasma exhaust processor 12 is reduced to 10ppm.
Embodiment 2
As shown in Figure 2, it discloses the integrated mode of the another kind of emission-control equipment of the present invention, be " spraying cooling+biological treatment " assembled scheme, wherein, disclosed consistent among biofermentation waste gas pretreating device and the embodiment 1, described emission-control equipment then is biological exhaust processor 10, and described biological exhaust processor 10 is connected with nutrition liquid bath 14 with water supply tank 13 by pipeline respectively.
Therefore, the operation principle of present embodiment is as follows:
Temperature is that 60 degree, flow are 10000m
3/ h (operating mode), VOCs are that the alcoholic fermentation waste gas of 40ppm is introduced by blower fan 11, at first pass through preceding gas-liquid separator 2 with the liquid moisture removal in the waste gas, by pneumatic filter 3 solid impurity in the waste gas is removed the back then and feed spray column 5 lower gas inlet, thereby with the reverse temperature that reduces waste gas that contacts of the cold water spray liquid of top-down 37 degree in the spray column 5, the spray liquid flow is 100m
3/ h, EGT after the cooling is 40 degree, and draw from spray column 5 tops, directly enter biological exhaust processor 10, waste gas stops after 10 seconds in biological exhaust processor 10, and carry out discharger behind the biochemical reaction, in the biochemical reaction, pH in the biological exhaust processor 10 is 7.5, its value is by the nutrient solution adjustment in the nutrition liquid bath 14, relative humidity in the biological exhaust processor 10 was 120% (containing a small amount of aqueous water), and it realizes that by the water in the water supply tank 13 being sprayed into biological exhaust processor 10 flow of water supply tank 13 water sprays is 1m
3/ h; Hot spray liquid temperature after spray heats up in the spray column 5 is 38 degree, and draw from spray column 5 bottoms, flow into spray liquid filter 6, flow into recuperator 7 hot-side channels after removing solid impurity, with the cooling water heat exchange of flowing through recuperator 7 cold side passages be cooled to 37 the degree after, after spray pump 4 pressurizations, enter spray column 5 tops once more, be used for cooling exhaust; The cooling water temperature that flows out recuperator 7 cold side passages is 37 degree, after entering cooling tower 8, directly contact with outside air, the heat absorption of part cooling water evaporation, make the cooling water temperature that leaves cooling tower 8 bottoms be reduced to 32 degree, under the effect of cooling water circulating pump 9, flow into recuperator 7 cold side passages once more then, be used for the hot spray liquid cooling to recuperator 7 hot-side channels of flowing through, cooling water flow is 80m
3/ h; After the COD of the hot spray liquid in spray column 5 bottoms was 5000mg/L, then all spray liquids were all discharged by wastewater outlet in the spray column 5, and changed the spray liquid of COD content less than 5mg/L.The waste gas VOCs that leaves behind the biological exhaust processor 10 is reduced to 15ppm.
Embodiment 3
As shown in Figure 3, it discloses the integrated mode of another emission-control equipment of the present invention, be " spraying cooling+two-stage plasma treatment " assembled scheme, wherein, disclosed consistent among biofermentation waste gas pretreating device and the embodiment 1, and described emission-control equipment comprises plasma exhaust processor 12 and the secondary plasma exhaust processor 15 that is linked in sequence, and back gas-liquid separator 11 is installed on the gas pipeline between plasma exhaust processor 12 and the EGT humidity control apparatus, and back gas-liquid separator 11, plasma exhaust processor 12 and secondary plasma exhaust processor 15 are respectively arranged with waste liquid outlet.
Therefore, the operation principle of present embodiment is as follows:
Temperature is 75 degree, and flow is 10000m
3/ h (operating mode), VOCs is 35ppm, relative humidity is that 150% glutamic acid fermentation waste gas is introduced by blower fan 1, at first pass through preceding gas-liquid separator 2 with the liquid moisture removal in the waste gas, by pneumatic filter 3 solid impurity in the waste gas is removed the back then and feed spray column 5 lower gas inlet, thereby with the reverse temperature that reduces waste gas that contacts of the cold water spray liquid of top-down 33 degree in the spray column 5, the spray liquid flow is 280m
3/ h, EGT after the cooling is 35 degree, and draw from spray column 5 tops and to enter plasma exhaust processor 12, stop and enter second level plasma exhaust processor 15 after 20 seconds, stop after 15 seconds and discharge, plasma exhaust processor 12 operating voltages are 110kV, and second level plasma exhaust processor 15 operating voltages are 85kV.The waste gas VOCs that leaves behind the second level plasma exhaust processor 15 is reduced to 11.5ppm, and does not have obvious visual cigarette band.
The preferred specific embodiment of described in conjunction with the accompanying drawings above the present invention only is used to illustrate embodiments of the present invention; rather than as restriction to aforementioned goal of the invention and appended claims content and scope; every foundation technical spirit of the present invention all still belongs to the technology of the present invention and rights protection category to any simple modification, equivalent variations and modification that above embodiment did.
Claims (10)
1. a combined-type biological fermentation waste gas processing method is characterized in that, may further comprise the steps:
(1) pre-treatment of biological waste gas: gas-liquid separator carries out the dehumidification treatments of biofermentation waste gas before adopting, the removal of impurities of then adopting pneumatic filter to carry out biofermentation waste gas is handled, adopt spray column to handle at last with the cooling of carrying out this biofermentation waste gas, the temperature of spray liquid is 32～35 ℃ in the described spray column, and the initial COD content of spray liquid is less than 5mg/L in the spray column, and the final COD content of spray liquid is no more than 5000mg/L in the spray column simultaneously;
(2) biological exhaust-gas treatment: adopt biological exhaust processor and/or plasma exhaust processor to handling through the biofermentation waste gas of step (1) pre-treatment operation, the described time of staying of biofermentation waste gas in biological exhaust processor is 5～20 seconds, relative humidity in the biological exhaust processor of while is greater than 80%, and the pH value of biological exhaust processor is 6～8; The time of staying of biofermentation waste gas in the plasma exhaust processor then is 9～11 seconds, and the operating voltage of plasma exhaust processor is 80～120kV simultaneously.
2. combined-type biological fermentation waste gas processing method according to claim 1 is characterized in that, described biofermentation waste gas enters the plasma exhaust processor carry out exhaust-gas treatment before, earlier carry out aqueous water and remove processing by the back gas-liquid separator.
3. combined-type biological fermentation waste gas treatment device that is used to realize the described combined-type biological fermentation waste gas processing method of claim 1, it is characterized in that, comprise blower fan, be used for waste gas pretreating device and emission-control equipment that biological EGT humidity removal of impurities is handled, the air outlet of described blower fan successively with the waste gas pretreating device, emission-control equipment is connected in series by gas pipeline, and described emission-control equipment by biological exhaust processor and/the plasma exhaust processor combines, simultaneously, described waste gas pretreating device and emission-control equipment all are respectively arranged with waste liquid outlet.
4. according to the described combined-type biological fermentation waste gas treatment device of claim 3, it is characterized in that, described waste gas pretreating device comprises preceding gas-liquid separator, pneumatic filter and the spray column that connects by gas pipeline successively, described spray column is provided with spray liquid import and spray liquid outlet, and be connected with the spray liquid cooling-cycle device between the outlet of spray liquid import and spray liquid, and gas-liquid separator and spray column are respectively arranged with waste liquid outlet before described.
5. according to the described combined-type biological fermentation waste gas treatment device of claim 4, it is characterized in that, described spray liquid cooling-cycle device comprises recuperator and cooling tower, described cooling tower import, the cold side passage of recuperator and cooling tower outlet are communicated with by connecting pipe, and on the connecting pipe between described cooling tower outlet and the recuperator cold side passage cooling water circulating pump is installed, described spray liquid import, the hot-side channel of recuperator and spray liquid outlet are communicated with by connecting pipe, and on the connecting pipe between described recuperator hot-side channel and the spray liquid import spray pump is installed, and on the connecting pipe between described recuperator hot-side channel and the spray liquid outlet spray liquid filter is installed.
6. according to the described combined-type biological fermentation waste gas treatment device of claim 5, it is characterized in that described recuperator is tubular heat exchanger and plate type heat exchanger.
7. according to claim 3 or 5 described combined-type biological fermentation waste gas treatment devices, it is characterized in that, described emission-control equipment comprises the biological exhaust processor that is linked in sequence, back gas-liquid separator and plasma exhaust processor, and described back gas-liquid separator and plasma exhaust processor are respectively arranged with waste liquid outlet.
8. according to claim 3 or 5 described combined-type biological fermentation waste gas treatment devices, it is characterized in that described emission-control equipment is biological exhaust processor.
9. described according to Claim 8 combined-type biological fermentation waste gas treatment device is characterized in that, described biological exhaust processor is connected with the nutrition liquid bath with water supply tank by pipeline respectively.
10. according to claim 3 or 5 described combined-type biological fermentation waste gas treatment devices, it is characterized in that, described emission-control equipment comprises plasma exhaust processor and the secondary plasma exhaust processor that is linked in sequence, and the back gas-liquid separator is installed on the gas pipeline between plasma exhaust processor and the EGT humidity control apparatus, and back gas-liquid separator, plasma exhaust processor and secondary plasma exhaust processor are respectively arranged with waste liquid outlet.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102908858A (en) * | 2012-10-17 | 2013-02-06 | 舟山市岱山县天益海洋鱼品有限公司 | Treatment method for biological decayed off-gas |
| CN107376638A (en) * | 2017-09-19 | 2017-11-24 | 重庆净空居环保科技有限公司 | Fermentation waste gas processing equipment and processing method |
| CN109078480A (en) * | 2018-09-06 | 2018-12-25 | 荣成市华通海洋生物科技有限公司 | Bacillus coagulans apply in fish meal production exhaust air deodorization as deodorization bacterium solution, deodorization bacterium solution preparation method and exhaust air deodorization device |
| CN110550974A (en) * | 2019-08-30 | 2019-12-10 | 山东艾派仕环境科技有限公司 | Harmless treatment equipment and method for treating livestock and poultry manure by using same |
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| CN101579598A (en) * | 2009-03-30 | 2009-11-18 | 宝鸡阜丰生物科技有限公司 | Novel process for treating fermentation waste gas of amino acid by utilizing plasma reactor |
| CN101579599A (en) * | 2009-03-30 | 2009-11-18 | 宝鸡阜丰生物科技有限公司 | Novel process for treating fermentation waste gas of amino acid by utilizing biofilter |
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| CN101579598A (en) * | 2009-03-30 | 2009-11-18 | 宝鸡阜丰生物科技有限公司 | Novel process for treating fermentation waste gas of amino acid by utilizing plasma reactor |
| CN101579599A (en) * | 2009-03-30 | 2009-11-18 | 宝鸡阜丰生物科技有限公司 | Novel process for treating fermentation waste gas of amino acid by utilizing biofilter |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102908858A (en) * | 2012-10-17 | 2013-02-06 | 舟山市岱山县天益海洋鱼品有限公司 | Treatment method for biological decayed off-gas |
| CN102908858B (en) * | 2012-10-17 | 2014-12-10 | 舟山市岱山县天益海洋鱼品有限公司 | Treatment method for biological decayed off-gas |
| CN107376638A (en) * | 2017-09-19 | 2017-11-24 | 重庆净空居环保科技有限公司 | Fermentation waste gas processing equipment and processing method |
| CN109078480A (en) * | 2018-09-06 | 2018-12-25 | 荣成市华通海洋生物科技有限公司 | Bacillus coagulans apply in fish meal production exhaust air deodorization as deodorization bacterium solution, deodorization bacterium solution preparation method and exhaust air deodorization device |
| CN110550974A (en) * | 2019-08-30 | 2019-12-10 | 山东艾派仕环境科技有限公司 | Harmless treatment equipment and method for treating livestock and poultry manure by using same |
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