CN204352742U - Chemical washing and low temperature plasma coupling processing exhaust gas apparatus - Google Patents
Chemical washing and low temperature plasma coupling processing exhaust gas apparatus Download PDFInfo
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- CN204352742U CN204352742U CN201420748667.5U CN201420748667U CN204352742U CN 204352742 U CN204352742 U CN 204352742U CN 201420748667 U CN201420748667 U CN 201420748667U CN 204352742 U CN204352742 U CN 204352742U
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Abstract
The utility model discloses a kind of chemical washing and low temperature plasma coupling processing exhaust gas apparatus, relate to emission-control equipment field.The alkali liquor circulating box that the utility model comprises one-level caustic wash tower and arranges below it, secondary pickling tower arranges the acid cycle case below it, tertiary oxidation scrubbing tower and the circulation fluid case arranged below it, the gas outlet of described tertiary oxidation scrubbing tower is connected with the air inlet of corona low temperature plasma casing, is disposed with screen pack, charged discharge channel, DBD discharge channel in described corona low temperature plasma casing.Fully utilize chemical method and plasma method process waste gas in the utility model, met adaptability and the reliability of stricter requirement and raising cleaning system, improve the possibility that exhaust-gas treatment rate reduces secondary pollution simultaneously.
Description
Technical field
The utility model relates to emission-control equipment field, specifically chemical washing and low temperature plasma coupling processing exhaust gas apparatus.
Background technology
Along with the development of modern industrial technology, the progress of society, industry is in the exploitation to resource, transport, processing and use procedure, poisonous and hazardous waste gas can be produced, to these gases are directly discharged in atmospheric environment, can atmospheric environment be destroyed, affect the normal life of people and the health of production and human body.Therefore, the laws and regulations that country is relevant and professional standard have very strict discharge standard to toxic emission to air, and therefore key reduces the concentration of waste gas.
At present, for the Treatment process of waste gas, plasma technique mainly adopts high voltage source, sets up the rational streamer-discahrge argon-arc plasma field of distribution, make larger molecular organics be cracked into simple micromolecular compound in argon-arc plasma field in reactor.Plasma reactor is not limited to process certain several organic substance and inorganic substances, and can effectively process nearly all harmful organic compound and inorganic substances in waste gas simultaneously, the harmful substance in waste gas can be directly acted on, but throughput is large, when pollutant levels are higher, clearance is not high.And the chemical Treatment of routine easily has secondary pollution, there is potential safety hazard.Therefore high chemical washing and the low temperature plasma coupling processing exhaust gas apparatus simultaneously reducing secondary pollution possibility of a kind of clearance is needed.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of clearance high chemical washing and the low temperature plasma coupling processing exhaust gas apparatus simultaneously reducing secondary pollution possibility.
In order to achieve the above object, the technical scheme that the utility model adopts is:
Chemical washing and low temperature plasma coupling processing exhaust gas apparatus, comprise three grades of chemical washing systems and corona low temperature plasma casing, three grades of described chemical washing systems comprise the alkali liquor circulating box below one-level caustic wash tower and corresponding device, acid cycle case below secondary pickling tower and equipment, the circulation fluid case of tertiary oxidation scrubbing tower and below thereof, the air inlet of described secondary pickling tower is connected with the gas outlet of one-level caustic wash tower, the air inlet of described tertiary oxidation scrubbing tower is connected with the gas outlet of secondary pickling tower, the gas outlet of described tertiary oxidation scrubbing tower is connected with the air inlet of corona low temperature plasma casing, described one-level caustic wash tower, the gas outlet place of secondary pickling tower and tertiary oxidation scrubbing tower is provided with demister, screen pack is disposed with in described corona low temperature plasma casing, charged discharge channel, DBD discharge channel.
More specifically, from top to bottom be provided with successively in described one-level caustic wash tower except fog-zone, spray section, packing section, alkali lye circulating water pool, from top to bottom be provided with successively in described secondary pickling tower except fog-zone, spray section, packing section, acid cycle pond, be from top to bottom provided with successively except fog-zone, spray section, packing section, circulation fluid pond in described tertiary oxidation scrubbing tower.
More specifically, the delivery port of described alkali liquor circulating box is connected with the spray section shower nozzle of one-level caustic wash tower, and the water inlet of alkali liquor circulating box is connected with the discharge outlet of one-level caustic wash tower; The delivery port of described acid cycle case is connected with the spray section shower nozzle of secondary pickling tower, and the water inlet of acid cycle case is connected with the discharge outlet of secondary pickling tower; The delivery port of described circulation fluid case is connected with the spray section shower nozzle of tertiary oxidation scrubbing tower, and the water inlet of circulation fluid case is connected with the discharge outlet of tertiary oxidation scrubbing tower.
More specifically, the air inlet place of described corona low temperature plasma casing is provided with burning-point valve, and gas outlet goes out to be provided with gas concentration automatic tester.
More specifically, described alkali liquor circulating box, acid cycle case, circulation fluid case are connected with intermediate water pipeline respectively, are all provided with pH analyzer, liquid level gauge and thermometer in described alkali liquor circulating box, acid cycle case, circulation fluid case.
The beneficial effects of the utility model are:
In the utility model, waste gas removes sour gas, alkaline gas, reducibility gas and some gas soluble in water in gas successively by one-level caustic wash tower, secondary pickling tower, these three grades of chemical washing systems of tertiary oxidation scrubbing tower, by corona low temperature plasma, degradation treatment is carried out to waste gas again, comprehensive make use of chemical method and plasma method process waste gas, meet adaptability and the reliability of stricter requirement and raising cleaning system, improve the possibility that exhaust-gas treatment rate reduces secondary pollution simultaneously.
Accompanying drawing explanation
Fig. 1 is the utility model chemical washing and low temperature plasma coupling processing exhaust gas apparatus structural representation
One-level caustic wash tower 1, alkali liquor circulating box 2, secondary pickling tower 3, acid cycle case 4, tertiary oxidation scrubbing tower 5, circulation fluid case 6, corona low temperature plasma casing 7, screen pack 8, charged discharge channel 9, DBD discharge channel 10, intermediate water pipeline 11.
Detailed description of the invention
The utility model chemical washing and low temperature plasma coupling processing exhaust gas apparatus is set forth further below in conjunction with accompanying drawing.
As shown in Figure 1, chemical washing and low temperature plasma coupling processing exhaust gas apparatus, comprise three grades of chemical washing systems and corona low temperature plasma casing, three grades of described chemical washing systems comprise one-level caustic wash tower 1 and the corresponding alkali liquor circulating box 2 arranged thereunder, secondary pickling tower 3 and the acid cycle case 4 arranged below it, tertiary oxidation scrubbing tower 5 and the circulation fluid case 6 arranged below it, the air inlet of described secondary pickling tower 3 is connected with the gas outlet of one-level caustic wash tower 1, the air inlet of described tertiary oxidation scrubbing tower 5 is connected with the gas outlet of secondary pickling tower 3, the gas outlet of described tertiary oxidation scrubbing tower 5 is connected with the air inlet of corona low temperature plasma casing 7, described one-level caustic wash tower 1, the gas outlet place of secondary pickling tower 3 and tertiary oxidation scrubbing tower 5 is provided with demister, discharge outlet is provided with bottom corona low-temperature plasma casing 8, casing upper left side is provided with air inlet, air inlet is provided with burning-point valve, casing upper right side is provided with gas outlet, gas outlet place is provided with gas concentration automatic tester.Air channel is communicated with between air inlet with gas outlet, screen pack 8, charged discharge channel 9, DBD discharge channel 10 successively in air channel, wherein be parallel to each other between several charged discharge channels 9 placement, be fixed on the inside of casing, also be parallel to each other between several DBD discharge channels 10 placement, is fixed on box house support.Power supply and transformer is also provided with above casing.The stainless steel casing of corona low-temperature plasma casing 8 arranges earthing rod and high-pressure column, and charged discharge tube and DBD discharge tube are drawn lead-in wire and are connected with high-pressure column, and high-pressure column is connected with transformer, and transformer is connected with power supply.High-pressure column and stainless steel casing pottery separate.Earth connection is directly connected with the earth.
Wherein from top to bottom be provided with successively in one-level caustic wash tower 1 except fog-zone, spray section, packing section, alkali lye circulating water pool, one-level caustic wash tower 1 lower left corner facility has air inlet, top is provided with gas outlet, bottom is provided with discharge outlet, wherein the delivery port of alkali liquor circulating box 2 is connected with 1 spray section shower nozzle of one-level caustic wash tower, driven by water pump, the water inlet of alkali liquor circulating box 2 is connected with the discharge outlet of one-level caustic wash tower 1.From top to bottom be provided with successively in secondary pickling tower 3 except fog-zone, spray section, packing section, acid cycle pond, secondary pickling tower 3 lower left corner is provided with air inlet, top is provided with gas outlet, bottom is provided with discharge outlet, wherein the delivery port of acid cycle case 4 is connected with the spray section shower nozzle of secondary pickling demister 3, also driven by water pump, the water inlet of acid cycle case 4 is connected with the discharge outlet of secondary pickling tower 3.From top to bottom be provided with successively except fog-zone, spray section, packing section, circulation fluid pond in tertiary oxidation scrubbing tower 5.Tertiary oxidation scrubbing tower 5 lower left corner is provided with air inlet, air inlet place is provided with gas concentration automatic tester, top is provided with gas outlet, bottom is provided with discharge outlet, wherein the delivery port of circulation fluid case 6 is connected with the spray section shower nozzle that tertiary oxidation washs demister 5, driven by water pump, the water inlet of circulation fluid case 6 is connected with the discharge outlet of tertiary oxidation scrubbing tower 5.The air inlet place of corona low temperature plasma casing 7 be provided with burning-point valve and, gas outlet goes out to be provided with gas concentration automatic tester.Alkali liquor circulating box 2, acid cycle case 4, circulation fluid case 6 are connected with intermediate water pipeline 11 respectively, to guarantee to supplement or replace the water in water tank timely.All pH meter is provided with, liquid level gauge and thermometer, to ensure acid-base value in timely on-line analysis recirculated water and water temperature in described alkali liquor circulating box 2, acid cycle case 4, circulation fluid case 6.
During use, waste gas is from the air inlet access arrangement of equipment, under rearmounted blower fan drives, successively through one-level caustic wash tower 1 by the sour gas in the alkali lye removing gas that wherein circulates and gas soluble in water, through secondary pickling tower 3 by the alkaline gas in the acid solution removing gas of circulation wherein and gas soluble in water, remove some reducibility gas by tertiary oxidation scrubbing tower 5 by wherein circulation fluid.Reduce the moisture in gas through demister afterwards, finally pass in corona low-temperature plasma casing 8, carry out last degradation treatment, then by chimney qualified discharge.
In the utility model, waste gas removes sour gas, alkaline gas, reducibility gas and some gas soluble in water in gas successively by one-level caustic wash tower 1, secondary pickling tower 3, these three grades of chemical washing systems of tertiary oxidation scrubbing tower 5, degradation treatment is carried out again by corona low temperature plasma casing 7 pairs of waste gas, comprehensive make use of chemical method and plasma method process waste gas, meet adaptability and the reliability of stricter requirement and raising cleaning system, improve the possibility that exhaust-gas treatment rate reduces secondary pollution simultaneously.Protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme belonging to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, the some improvement carried out under the prerequisite not departing from principle of the present utility model, these improvement also should be considered as protection domain of the present utility model.
Claims (5)
1. chemical washing and low temperature plasma coupling processing exhaust gas apparatus, it is characterized in that: comprise three grades of chemical washing systems and corona low temperature plasma casing, the alkali liquor circulating box that three grades of described chemical washing systems comprise one-level caustic wash tower and arrange thereunder, secondary pickling tower and the acid cycle case arranged thereunder, tertiary oxidation scrubbing tower and the circulation fluid case arranged thereunder, the air inlet of described secondary pickling tower is connected with the gas outlet of one-level caustic wash tower, the air inlet of described tertiary oxidation scrubbing tower is connected with the gas outlet of secondary pickling tower, the gas outlet of described tertiary oxidation scrubbing tower is connected with the air inlet of corona low temperature plasma casing, described one-level caustic wash tower, the gas outlet place of secondary pickling tower and tertiary oxidation scrubbing tower is provided with demister, screen pack is disposed with in described corona low temperature plasma casing, charged discharge channel, DBD discharge channel.
2. chemical washing according to claim 1 and low temperature plasma coupling processing exhaust gas apparatus, it is characterized in that: be provided with except fog-zone, spray section, packing section, alkali lye circulating water pool in described one-level caustic wash tower from top to bottom successively, from top to bottom be provided with successively in described secondary pickling tower except fog-zone, spray section, packing section, acid cycle pond, be from top to bottom provided with successively except fog-zone, spray section, packing section, circulation fluid pond in described tertiary oxidation washing demister.
3. chemical washing according to claim 1 and low temperature plasma coupling processing exhaust gas apparatus, it is characterized in that: the delivery port of described alkali liquor circulating box is connected with the spray section shower nozzle of one-level caustic wash tower, the water inlet of alkali liquor circulating box is connected with the discharge outlet of one-level caustic wash tower; The delivery port of described acid cycle case is connected with the spray section shower nozzle of secondary pickling tower, and the water inlet of acid cycle case is connected with the discharge outlet of secondary pickling tower; The delivery port of described circulation fluid case is connected with the spray section shower nozzle of tertiary oxidation scrubbing tower, and the water inlet of circulation fluid case is connected with the discharge outlet of tertiary oxidation scrubbing tower.
4. chemical washing according to claim 1 and low temperature plasma coupling processing exhaust gas apparatus, is characterized in that: the air inlet place of described corona low temperature plasma casing is provided with burning-point valve, and gas outlet goes out to be provided with gas concentration automatic tester.
5. chemical washing according to claim 1 and low temperature plasma coupling processing exhaust gas apparatus, it is characterized in that: described alkali liquor circulating box, acid cycle case, circulation fluid case are connected with intermediate water pipeline respectively, in described alkali liquor circulating box, acid cycle case, circulation fluid case, be all provided with pH analyzer, liquid level gauge and thermometer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420748667.5U CN204352742U (en) | 2014-12-02 | 2014-12-02 | Chemical washing and low temperature plasma coupling processing exhaust gas apparatus |
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| CN201420748667.5U CN204352742U (en) | 2014-12-02 | 2014-12-02 | Chemical washing and low temperature plasma coupling processing exhaust gas apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104941424A (en) * | 2015-06-02 | 2015-09-30 | 成都虹华环保科技股份有限公司 | Acid-alkali exhaust-gas treatment system |
| CN108404656A (en) * | 2018-05-10 | 2018-08-17 | 山东派力迪环保工程有限公司 | Feed fish meal processes air purifying device of automatic control transfusion and its technique |
| WO2021203708A1 (en) * | 2020-04-08 | 2021-10-14 | 浙江大维高新技术股份有限公司 | Landfill leachate stench purification device and process thereof |
| CN114011167A (en) * | 2020-07-28 | 2022-02-08 | 苏州恩易思节能环保科技有限公司 | Waste gas treatment device |
-
2014
- 2014-12-02 CN CN201420748667.5U patent/CN204352742U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104941424A (en) * | 2015-06-02 | 2015-09-30 | 成都虹华环保科技股份有限公司 | Acid-alkali exhaust-gas treatment system |
| CN108404656A (en) * | 2018-05-10 | 2018-08-17 | 山东派力迪环保工程有限公司 | Feed fish meal processes air purifying device of automatic control transfusion and its technique |
| WO2021203708A1 (en) * | 2020-04-08 | 2021-10-14 | 浙江大维高新技术股份有限公司 | Landfill leachate stench purification device and process thereof |
| CN114011167A (en) * | 2020-07-28 | 2022-02-08 | 苏州恩易思节能环保科技有限公司 | Waste gas treatment device |
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Address after: 310015 Room 601, Building 5, 108 Xiangyuan Road, Gongshu District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Chuhuan Science and Technology Co., Ltd. Address before: 310015 No. 28 Xiangyuan Road, Gongshu District, Hangzhou City, Zhejiang Province, 12 1003 Rooms, Hangzhou Chutian Technology Co., Ltd. Patentee before: Hangzhou Chutian Technology Co.,Ltd. |