CN105056640A - Cyclone-type low-temperature plasma gas purification dust removal device and application method thereof - Google Patents
Cyclone-type low-temperature plasma gas purification dust removal device and application method thereof Download PDFInfo
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- CN105056640A CN105056640A CN201510470789.1A CN201510470789A CN105056640A CN 105056640 A CN105056640 A CN 105056640A CN 201510470789 A CN201510470789 A CN 201510470789A CN 105056640 A CN105056640 A CN 105056640A
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Abstract
The present invention discloses a cyclone-type low-temperature plasma gas purification dust removal device and an application method thereof. The cyclone-type low temperature plasma gas purification dust removal device includes a cylindrical outer cylinder, a cone outer cylinder, a steel funnel, a waste collection box, an inside cylinder, an electrode in a first plasma region, an electrode in a second plasma region, a first-stage plasma region power, a second-stage plasma region power, an air inlet and an air outlet. The cone outer cylinder is installed below the cylindrical outer cylinder; the waste collection box is installed below the cone outer cylinder; the air inlet is located above the cylindrical outer cylinder on the left side; and the inner cylinder is mounted inside the cylindrical outer cylinder. The device produces cyclonic airflow, greatly improves the contact time of the exhaust gas with the plasma, increases the efficiency of a low-temperature plasma reactor, while takes advantage of the centrifugal force of the cyclonic airflow to effectively deal with solid and liquid contaminants, so as to reach the comprehensive purification effect of gas, liquid and solid contaminants.
Description
Technical field
The present invention relates to environmental protection technical field, specifically a kind of cyclone type low temperature plasma gas purifying and dedusting device and using method thereof.
Background technology
Industrial organic exhaust gas is mainly derived from the production processes such as petrochemical industry, sewage disposal, garbage disposal, chemical pharmacy, space flight, electronics industry, leather processing, not only pollute workshop condition, harm post staff is healthy, and be the main producers pollutant bringing out photochemical fog, serious threat is constituted to urban air-quality.Because industrial organic exhaust gas has, air quantity is large, concentration is low, multicomponent combined pollution, and gas air quantity and organic exhaust gas fluctuation of concentration are comparatively large, and its difficulty of governance is relatively large, in these gases except organic exhaust gas, also has a small amount of dust.
At present, plasma technique is considered to realize one of effective way that combined pollutant removes simultaneously.The experimental study in past 20 years has made the energy efficiency in Treatment of Gaseous Pollutants with Cold Plasma process improve 10-11 doubly.Although lower temperature plasma technology has unique advantage when purifying Wind Volume, low concentration gas, but the VOCs treatment for relative complex is difficult to be competent at, need to increase the equipment such as preposition dedusting tentatively to remove the solid-liquid composition in waste gas, thus add expense and equipment placement space.
Summary of the invention
The object of the present invention is to provide and a kind ofly reduce the high cyclone type low temperature plasma gas purifying and dedusting device of energy consumption, depuration quality and using method thereof, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of cyclone type low temperature plasma gas purifying and dedusting device, comprise cylinder outer cylinder body, taper outer cylinder body, steel disc funnel, scrap collecting tank, inner barrel, electrode in first plasma slab, electrode in second plasma slab, first order plasma slab power supply, second level plasma slab power supply, air inlet and gas outlet, described cylinder outer cylinder body, taper outer cylinder body, electrode composition first order low-temperature plasma body mechanism in inner barrel and the first plasma slab, electrode composition second level low-temperature plasma body mechanism in described inner barrel and the second plasma slab, described taper outer cylinder body is arranged on the below of cylinder outer cylinder body, scrap collecting tank is arranged on the below of taper outer cylinder body by steel disc funnel, described air inlet is positioned at the top on the left of cylinder outer cylinder body, described inner barrel is arranged on the inside of cylinder outer cylinder body, the bottom of inner barrel is provided with taper collection air port, described gas outlet is positioned at the top of inner barrel, in described first plasma slab, electrode is between cylinder outer cylinder body and inner barrel, in described second plasma slab, electrode is positioned at the inside of inner barrel, described first order plasma slab power supply distinguishes electrode in connecting cylinder outer cylinder body and the first plasma slab, second level plasma slab power supply connects electrode in inner barrel and the second plasma slab respectively, in described first plasma slab between electrode and cylinder outer cylinder body, insulation assembly is equipped with between electrode and inner barrel in second plasma slab.
As the further scheme of the present invention: described first order plasma slab power supply and second level plasma slab power supply are high-voltage pulse power source, and frequency is 20kHz, and peak power is 2kW.
As the further scheme of the present invention: the height of described cylinder outer cylinder body is 630-650mm, the diameter of cylinder outer cylinder body is 250-270mm; The height of described inner barrel is 550-570m, and the diameter of inner barrel is 90-110mm.
As the further scheme of the present invention: described taper integrates the height in air port as 40mm, the coning angle in this taper collection air port is 90 °.
As the present invention's further scheme: the material of described cylinder outer cylinder body, taper outer cylinder body, taper collection air port, inner barrel, air inlet and gas outlet is stainless steel, the material of described insulation assembly is polytetrafluoroethylene (PTFE), and in described first plasma slab, in electrode and the second plasma slab, the material of electrode is stainless steel or Titanium.
The using method of described cyclone type low temperature plasma gas purifying and dedusting device, concrete steps are as follows:
1) organic exhaust gas enters into this device by air inlet, this organic exhaust gas collides with the interior contact of cylinder outer cylinder body at first, form cyclonic air flow, this cyclonic air flow is from top to bottom through first order low-temperature plasma body mechanism, the low temperature plasma homogeneous reaction that organic exhaust gas produces with the form of cyclonic air flow and first order low-temperature plasma body mechanism, in first order low-temperature plasma body mechanism, the height of cylinder outer cylinder body is 630-650mm, and diameter is 250-270mm;
2) at cylinder outer cylinder body and the degree of depth be 550-570mm inner barrel between cyclonic air flow, from top to bottom move bottom taper outer cylinder body in the shape of a spiral, form the outer rotational gas flow declined, solid granulates and drop pollutant get rid of to wall by the centrifugal force produced in rotary course, solid granulates loses inertia force after contacting with wall with drop pollutant, fall into scrap collecting tank along wall under gravity, the diameter of inner barrel is 90mm;
3) rotate that the air-flow declined is highly 40mm on arrival taper outer cylinder body, after coning angle is the conical plate of 90 °, axis part along taper outer cylinder body is transferred upwards, form the interior rotational gas flow risen, this interior rotational gas flow carries out double purification by secondary low-temperature plasma body mechanism, and gets rid of reactor.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention produces cyclonic air flow, substantially increases the time of contact of waste gas and plasma, adds the efficiency of reaction of low temperature plasma device, reduces energy consumption, and this circulating fluid application makes the effect of gas peculiar smell removal more obvious; Adopt two section reactor, organic exhaust gas after first order low-temperature plasma body mechanism, before gas outlet, these waste gas enter second level low-temperature plasma body mechanism, carry out double purification, fully ensure that the depuration quality of organic exhaust gas, effectively reduce the secondary pollution that back-mixing brings; Be provided with scrap collecting tank, utilize the centrifugal force of cyclonic air flow, under making solid granulates and the centrifugal action of drop pollutant in whirlwind, contact with barrel, finally fall into scrap collecting tank, effectively processed solid-state and fluid contaminants, reached the effect of gas-liquid-solid pollutant comprehensive decontamination.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Be described in more detail below in conjunction with the technical scheme of detailed description of the invention to this patent.
Refer to Fig. 1, a kind of cyclone type low temperature plasma gas purifying and dedusting device, comprise cylinder outer cylinder body 1, taper outer cylinder body 2, steel disc funnel 3, scrap collecting tank 4, inner barrel 6, electrode 8 in first plasma slab, electrode 9 in second plasma slab, first order plasma slab power supply 10, second level plasma slab power supply 11, air inlet 12 and gas outlet 13, described cylinder outer cylinder body 1, taper outer cylinder body 2, in inner barrel 6 and the first plasma slab, electrode 8 forms first order low-temperature plasma body mechanism, in described inner barrel 6 and the second plasma slab, electrode 9 forms second level low-temperature plasma body mechanism, described taper outer cylinder body 2 is arranged on the below of cylinder outer cylinder body 1, scrap collecting tank 4 is arranged on the below of taper outer cylinder body 2 by steel disc funnel 3, described air inlet 12 is positioned at the top on the left of cylinder outer cylinder body 1, described inner barrel 6 is arranged on the inside of cylinder outer cylinder body 1, the bottom of inner barrel 6 is provided with taper collection air port 5, described gas outlet 13 is positioned at the top of inner barrel 6, in described first plasma slab, electrode 8 is between cylinder outer cylinder body 1 and inner barrel 6, in described second plasma slab, electrode 9 is positioned at the inside of inner barrel 6, described first order plasma slab power supply 10 distinguishes electrode 8 in connecting cylinder outer cylinder body 1 and the first plasma slab, second level plasma slab power supply 11 connects electrode 9 in inner barrel 6 and the second plasma slab respectively, in described first plasma slab between electrode 8 and cylinder outer cylinder body 1, insulation assembly 7 is equipped with between electrode 9 and inner barrel 6 in second plasma slab.
Described first order plasma slab power supply 10 and second level plasma slab power supply 11 are high-voltage pulse power source, and frequency is 20kHz, and peak power is 2kW, and the height of described cylinder outer cylinder body 1 is 630-650mm, and the diameter of cylinder outer cylinder body 1 is 250-270mm; The height of described taper outer cylinder body 2 is 80-100mm, the coning angle of taper outer cylinder body 2 is 20-30 °, and the height of described inner barrel 6 is 550-570m, and the diameter of inner barrel 6 is 90-110mm, described taper integrates the height in air port 5 as 40mm, and the coning angle in this taper collection air port 5 is 90 °.This conical baffled waste gas facilitating the process of first order low-temperature plasma body mechanism enters second level low-temperature plasma body mechanism, avoid the secondary pollution that waste gas back-mixing causes simultaneously, the material of described cylinder outer cylinder body 1, taper outer cylinder body 2, taper collection air port 5, inner barrel 6, air inlet 12 and gas outlet 13 is stainless steel, the material of described insulation assembly 7 is polytetrafluoroethylene (PTFE), and in described first plasma slab, in electrode 8 and the second plasma slab, the material of electrode 9 is stainless steel or Titanium.
Cyclone dust collection technology combines with lower temperature plasma technology by described cyclone type low temperature plasma gas purifying and dedusting device, obtain a kind of method of more potent purifying exhaust air, in the process that cyclone dust collection technology combines with lower temperature plasma technology, the special gas circuit of cyclone dust removal further increases the reaction efficiency of low temperature plasma, the contamination gas entered by air inlet 12 is known from experience at inner barrel 6 and cylinder outer cylinder body 1, cyclonic airflow is formed between taper outer cylinder body 2, this cyclonic airflow, from top to bottom from cylinder outer cylinder body 1 to taper outer cylinder body 2, by first order low-temperature plasma body mechanism, dusty gas is processed, the contamination particle that centrifugal force meanwhile in dusty gas makes some larger falls into the scrap collecting tank 4 of bottom of device, eventually pass the dusty gas of preliminary purification, touched the bottom and bounce back up by taper outer cylinder body 2, via inner barrel 6 from bottom to top, purified by second level low-temperature plasma body mechanism, finally discharged by gas outlet, avoid the secondary pollution that dusty gas back-mixing causes, substantially increase dusty gas and low-temperature plasma device action time, the present invention can be applicable to the waste gas purification simultaneously containing dust and peculiar smell, or contain the waste gas purification of drop and peculiar smell simultaneously, can extensively should in chemical industry factory, dining room, hotel and the enterprise containing solid granulates dirt.
The present invention produces cyclonic air flow, substantially increases the time of contact of waste gas and plasma, adds the efficiency of reaction of low temperature plasma device, reduces energy consumption, and this circulating fluid application makes the effect of gas peculiar smell removal more obvious; Adopt two section reactor, organic exhaust gas after first order low-temperature plasma body mechanism, before gas outlet, these waste gas enter second level low-temperature plasma body mechanism, carry out double purification, fully ensure that the depuration quality of organic exhaust gas, effectively reduce the secondary pollution that back-mixing brings; Be provided with scrap collecting tank 4, utilize the centrifugal force of cyclonic air flow, under making solid granulates and the centrifugal action of drop pollutant in whirlwind, contact with barrel, finally fall into scrap collecting tank 4, effectively processed solid-state and fluid contaminants, reached the effect of gas-liquid-solid pollutant comprehensive decontamination.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (6)
1. a cyclone type low temperature plasma gas purifying and dedusting device, comprise cylinder outer cylinder body (1), taper outer cylinder body (2), steel disc funnel (3), scrap collecting tank (4), inner barrel (6), electrode (8) in first plasma slab, electrode (9) in second plasma slab, first order plasma slab power supply (10), second level plasma slab power supply (11), air inlet (12) and gas outlet (13), it is characterized in that, described cylinder outer cylinder body (1), taper outer cylinder body (2), electrode (8) composition first order low-temperature plasma body mechanism in inner barrel (6) and the first plasma slab, electrode (9) composition second level low-temperature plasma body mechanism in described inner barrel (6) and the second plasma slab, described taper outer cylinder body (2) is arranged on the below of cylinder outer cylinder body (1), scrap collecting tank (4) is arranged on the below of taper outer cylinder body (2) by steel disc funnel (3), described air inlet (12) is positioned at the top in cylinder outer cylinder body (1) left side, described inner barrel (6) is arranged on the inside of cylinder outer cylinder body (1), the bottom of inner barrel (6) is provided with taper collection air port (5), described gas outlet (13) is positioned at the top of inner barrel (6), in described first plasma slab, electrode (8) is positioned between cylinder outer cylinder body (1) and inner barrel (6), in described second plasma slab, electrode (9) is positioned at the inside of inner barrel (6), described first order plasma slab power supply (10) distinguishes electrode (8) in connecting cylinder outer cylinder body (1) and the first plasma slab, second level plasma slab power supply (11) connects electrode (9) in inner barrel (6) and the second plasma slab respectively, in described first plasma slab between electrode (8) and cylinder outer cylinder body (1), insulation assembly (7) is equipped with between electrode (9) and inner barrel (6) in second plasma slab.
2. cyclone type low temperature plasma gas purifying and dedusting device according to claim 1, it is characterized in that, described first order plasma slab power supply (10) and second level plasma slab power supply (11) are high-voltage pulse power source, and frequency is 20kHz, and peak power is 2kW.
3. cyclone type low temperature plasma gas purifying and dedusting device according to claim 1, is characterized in that, the height of described cylinder outer cylinder body (1) is 630-650mm, and the diameter of cylinder outer cylinder body (1) is 250-270mm; The height of described inner barrel (6) is 550-570m, and the diameter of inner barrel (6) is 90-110mm.
4. cyclone type low temperature plasma gas purifying and dedusting device according to claim 1, is characterized in that, taper integrates the height in air port (5) as 40mm, and the coning angle in taper collection air port (5) is 90 °.
5. cyclone type low temperature plasma gas purifying and dedusting device according to claim 1, it is characterized in that, the material of described cylinder outer cylinder body (1), taper outer cylinder body (2), taper collection air port (5), inner barrel (6), air inlet (12) and gas outlet (13) is stainless steel, the material of described insulation assembly (7) is polytetrafluoroethylene (PTFE), and in described first plasma slab, in electrode (8) and the second plasma slab, the material of electrode (9) is stainless steel or Titanium.
6. a using method for the cyclone type low temperature plasma gas purifying and dedusting device as described in as arbitrary in claim 1-5, it is characterized in that, concrete steps are as follows:
1) organic exhaust gas enters into this device by air inlet (12), this organic exhaust gas collides with the interior contact of cylinder outer cylinder body (1) at first, form cyclonic air flow, this cyclonic air flow is from top to bottom through first order low-temperature plasma body mechanism, the low temperature plasma homogeneous reaction that organic exhaust gas produces with the form of cyclonic air flow and first order low-temperature plasma body mechanism, in first order low-temperature plasma body mechanism, the height of cylinder outer cylinder body (1) is 630-650mm, and diameter is 250-270mm;
2) at cylinder outer cylinder body (1) and the degree of depth be 550-570mm inner barrel (6) between cyclonic air flow, in the shape of a spiral from top to bottom to the motion of taper outer cylinder body (2) bottom, form the outer rotational gas flow declined, solid granulates and drop pollutant get rid of to wall by the centrifugal force produced in rotary course, solid granulates loses inertia force after contacting with wall with drop pollutant, fall into scrap collecting tank (4) along wall under gravity, the diameter of inner barrel (6) is 90mm;
3) rotate the air-flow declined upper in arrival taper outer cylinder body (2) be highly 40mm, after coning angle is the conical plate of 90 °, axis part along taper outer cylinder body (2) is transferred upwards, form the interior rotational gas flow risen, this interior rotational gas flow carries out double purification by secondary low-temperature plasma body mechanism, and discharges reactor.
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| CN201510470789.1A CN105056640A (en) | 2015-08-05 | 2015-08-05 | Cyclone-type low-temperature plasma gas purification dust removal device and application method thereof |
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| CN201510470789.1A CN105056640A (en) | 2015-08-05 | 2015-08-05 | Cyclone-type low-temperature plasma gas purification dust removal device and application method thereof |
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Cited By (6)
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| CN105944523A (en) * | 2016-06-08 | 2016-09-21 | 上海盛剑环境系统科技有限公司 | Plasma gas waste gas treatment device |
| WO2018148941A1 (en) * | 2017-02-17 | 2018-08-23 | 美的集团股份有限公司 | Air duct and air treatment device |
| CN108613201A (en) * | 2016-12-09 | 2018-10-02 | 韩国三重核心株式会社 | Plasma wash mill with barrier rib |
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| CN115307148A (en) * | 2022-07-29 | 2022-11-08 | 昆明理工大学 | Pyrolysis gasification combustion is in coordination with electric filtering coupling electrocatalysis tail gas purification pyrolysis device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105944523A (en) * | 2016-06-08 | 2016-09-21 | 上海盛剑环境系统科技有限公司 | Plasma gas waste gas treatment device |
| CN105944523B (en) * | 2016-06-08 | 2022-06-21 | 上海盛剑环境系统科技股份有限公司 | Plasma gas waste gas treatment device |
| CN108613201A (en) * | 2016-12-09 | 2018-10-02 | 韩国三重核心株式会社 | Plasma wash mill with barrier rib |
| CN108613201B (en) * | 2016-12-09 | 2020-06-12 | 韩国三重核心株式会社 | Plasma washing device with barrier wall |
| WO2018148941A1 (en) * | 2017-02-17 | 2018-08-23 | 美的集团股份有限公司 | Air duct and air treatment device |
| CN112864845A (en) * | 2021-01-13 | 2021-05-28 | 中科瑞能电气股份有限公司 | Multifunctional switch cabinet convenient to support and adjust |
| CN112864858A (en) * | 2021-01-13 | 2021-05-28 | 中科瑞能电气股份有限公司 | Looped netowrk cabinet that strong adaptability |
| CN112864845B (en) * | 2021-01-13 | 2023-01-31 | 中科瑞能电气股份有限公司 | Multifunctional switch cabinet convenient to support and adjust |
| CN115307148A (en) * | 2022-07-29 | 2022-11-08 | 昆明理工大学 | Pyrolysis gasification combustion is in coordination with electric filtering coupling electrocatalysis tail gas purification pyrolysis device |
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Application publication date: 20151118 |