CN204206595U - Normal pressure and temperature High-frequency water body hypothermia plasma generator - Google Patents

Normal pressure and temperature High-frequency water body hypothermia plasma generator Download PDF

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Publication number
CN204206595U
CN204206595U CN201420573285.3U CN201420573285U CN204206595U CN 204206595 U CN204206595 U CN 204206595U CN 201420573285 U CN201420573285 U CN 201420573285U CN 204206595 U CN204206595 U CN 204206595U
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CN
China
Prior art keywords
water body
electrode
outer tube
plasma generator
normal pressure
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Expired - Fee Related
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CN201420573285.3U
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Chinese (zh)
Inventor
赵岳虎
施国强
胡韵
赵凯
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SHANGHAI KAILI TRADE CO Ltd
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SHANGHAI KAILI TRADE CO Ltd
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Abstract

The utility model relates to a kind of normal pressure and temperature High-frequency water body hypothermia plasma generator, comprise one or two with top electrode, described electrode has the insulating inner tube of conductive film by an interior finishing, inserting another thoroughly does away with in edge outer tube, the outer wall spacing of outer tube wall and interior pipe is not more than 5mm, even air chamber is arranged at outer tube top, even air chamber can be placed under water or surface, the pole earth terminal that AC power exports inserts in liquid, pipe conductive layer in the access of another pole, two interpolar potential differences are not less than 1KV, and frequency is between 1KHz ~ 50KHz.The utility model can produce the low temperature plasma meeting industrial requirement sustainedly and stably, and the poisonous and harmful substances such as the organic substance in Direct Resolution water body also process make it up to standard, do not need to add any chemicals, can not produce poisonous and hazardous accessory substance after process.Electrode can directly be placed in processed water body, does not take up an area, energy consumption is low, up-front investment cost and operating cost low, there is advantage that is efficient, energy-saving and environmental protection.

Description

Normal pressure and temperature High-frequency water body hypothermia plasma generator
Technical field
The utility model relates to a kind of normal pressure and temperature High-frequency water body hypothermia plasma generator.
Background technology
The low temperature plasma production method relevant to liquid has three kinds: one to be provide liquid point in the space of gas phase discharges; Two is discharge at gas-liquid interface; Three is discharge in a liquid.
Low temperature plasma at present for suitability for industrialized production does not all produce in water body, and the low-temperature plasma generator in existing water body for a long time, continuously cannot produce a large amount of, stable low temperature plasma, the manufacture difficulty of the special EHT supply required for generation water body low temperature plasma and cost also counteracts that the merchandized handling of water body low temperature plasma.
The patent No.: 200880007335.9 provide a kind of low-temperature plasma generator.To improve for the purpose of efficiency of ozone generation and productivity ratio, develop and a kind ofly easily can form discharge electrode and more practical low-temperature plasma generator, this low-temperature plasma generator is such as used as the ozone of the ozone-sterilizing device source that produces.The low-temperature plasma generator of this invention is the low-temperature plasma generator making paired electrode member opposed, electrode member is, conductive paste is sealed with in the space of inside being arranged at insulator (12), the at least inner surface in this conductive paste and above-mentioned space is touched, using the continuous print part of above-mentioned conductive paste as discharge electrode.
Application number: 201410276919.3 disclose a kind of low-temperature plasma generator works in coordination with particles sampling device and sampling method, relate to automobile harmful gas emission purification treatment technology field, this device comprises total inlet pipe, support A, plasma generator, air inlet pipe, particles sampling device A, particles sampling device B, blast pipe, support B, total air escape pipe, base.The present invention, in conjunction with particles sampling device, can obtain aerosol sample before Low Temperature Plasma Treating by Open valve A, obtains aerosol sample after Low Temperature Plasma Treating by Open valve B.The aerosol sample that can be used for before and after to low temperature plasma effect carries out test analysis, to draw the action rule of low temperature plasma to particle.This device is that the Study on mechanism disclosing Low Temperature Plasma Treating particle is provided convenience condition.
Due to existing water body low-temperature plasma electrical source Material selec-tion and manufacture on have difficulties, water body low temperature plasma application only rests on laboratory stage, can not large-scale industrialization practical application.Therefore according to the shortcoming of the existing experiment law of impulse electric corona method and the pulse power, have bibliographical information to claim: to devise a kind of high-frequency and high-voltage alternating current-direct current superposition plasma electrical source.This power acquisition solid-state switch replaces original arrester switch and adopts high frequency alternating current-direct current superimposing technique, makes impulse electric corona plasma technology be expected to be generalized to the commercial practice application stage.The mode that power acquisition superposes with power of alterating and direct current, alternating current-direct current superposition can produce stable, wide ranges and effective streamer.Alternating voltage makes electric discharge strengthen, and pulse Implantation Energy increases, and produce free radical and increase, thus oxidative degradation amount increases.DC base voltage orders about cation and electronics leaves streamer passage, in the larger context recombination reaction occurs, and free radical distribution is wider, contacts increase with pollutant etc., and thus treatment effect strengthens.Capable AC part adopts the working method of series load series resonance, and power supply direct current component adopts the working method of shunt load series resonance.The zero-current switching of inverter circuit switching tube can be realized while resonance step-up, reduce the volume of switching loss and radiator.Under the application of series inductance simultaneously makes power supply can be operated in the condition of load frequent electric discharge reliably.Shown by the experiment on medium-sized test platform, this power work is stablized, effectively stable streamer can be produced, there is very strong oxidation effectiveness, particularly under the condition adding catalyst, play significant wastewater purifying efficiency.
Summary of the invention
Technical problem to be solved in the utility model is: provide a kind of normal pressure and temperature High-frequency water body hypothermia plasma generator.By changing plasma generator structure and to compatible considering between different materials, not only achieving the suitability for industrialized production of low temperature plasma, and reduce cost.
The utility model technical problem is solved by following technical proposals: a kind of normal pressure and temperature High-frequency water body hypothermia plasma generator, under normal pressure and temperature condition, plasma generator is located in water body, comprise one or two with top electrode, wherein, the interior pipe that every root electrode has the insulating material of more than 0.01mm conductive layer (or electric conductor) to make by an interior finishing, insert in the outer tube of the upper lower open mouth that another root insulating material is made, the outer wall spacing of outer tube wall and interior pipe is not more than 5mm and is formed to generate electricity and manage, gas outlet is formed between the bottom of outer tube and interior pipe, the even air chamber of inlet is arranged at outer tube top, even air chamber surfaces or is placed under water, one pole of interior pipe conductive layer incoming transport high-voltage power supply, in another pole earth terminal access water body of ac high voltage, two interstage voltages are not less than 1KV, frequency is between 1KHz ~ 50KHz.The utility model is directly placed in water body, directly and indirectly can produce continuously and stably and include hydroxyl radical free radical, active particle and anakinetomer at interior low temperature plasma, and directly carry out materializing strategy to the water body of contact.
The utility model is different from three kinds of low temperature plasma production methods of the prior art, but all relevant to three kinds of methods.Electrode is placed in water body, has a large amount of drops be atomized participate in being ionized in the space of gas phase discharges.There is the violent disturbance of gas at the high-temperature area of the gas outlet of electrode, a large amount of bubbles of generation, form countless some gas-liquid interfaces, under action of high voltage, form low temperature plasma.In liquid, electric discharge damages with the insulating barrier of high voltage to liquid to cause electric discharge.Therefore, utility model can produce low temperature plasma sustainedly and stably.
The utility model be a kind of in water body to produce low temperature plasma in gas, liquid relevant, be particularly useful for the water body low-temperature plasma generator of the disinfecting of water, waste water treatment or toxic and harmful and the purified treatment to air.
On such scheme basis, described even air chamber is connected to the upper end of outer tube, for centre is expanding, the shape of cydariform chamber that upper and lower side shrinks or other Two-port netwerk broad in the middle, has more than one air inlet in upper end.
On such scheme basis, described electrode forms one group of electrode by one and many hollow edged electrodes.
On such scheme basis, described electrode is that the earth terminal of power supply is connected with liquid by several or group electrode common source.
Superiority of the present utility model is: can produce the low temperature plasma required for suitability for industrialized production at normal temperatures and pressures simply and easily sustainedly and stably.Achieve continual and steady generation in water body and meet the advanced oxidation agent of industrialization production requirements, the poisonous and harmful substances such as the organic substance in Direct Resolution water body also process make it up to standard, the auxiliary materials such as any chemicals can not be added than air, do not produce poisonous and harmful accessory substance, electrode is directly placed in processed water body, do not take up an area, observable index be better than ozone generator, cost of investment and operating cost low, there is the advantage of energy-conserving and environment-protective.
Accompanying drawing explanation
Fig. 1 the utility model structural representation;
The plasma generator schematic diagram that Fig. 2 is assembled by electrode group;
Wherein:
1---outer tube;
2---interior pipe; 21---conductive layer;
3---even air chamber;
41,42---inlet, outlet;
5---gas outlet;
6,6 '---power supply;
61,61 '---earth terminal; 62,62 '---positive pole (or live wire end);
7---liquid;
8,8 '---container;
9---group electrode;
91,92,93,94,95---the first, second, third, fourth, the 5th group of electrode;
10---wire.
Embodiment
Embodiment 1
As shown in Fig. 1 the utility model structural representation, the present embodiment provides a kind of normal pressure and temperature High-frequency water body hypothermia plasma generator, under normal pressure and temperature condition, plasma generator is located in liquid 7, liquid 7 is contained in container 8, can produce and include hydroxyl radical free radical activity, active particle and anakinetomer are at interior plasma and the direct liquid 7 to contacting carries out oxidation processes, the present embodiment comprises an electrode, this root electrode has more than 0.01mm conductive layer 21(or electric conductor by an interior finishing) the interior pipe 2 made of insulating material, insert in the outer tube 1 of the upper lower open mouth that another root insulating material is made, the outer wall spacing of outer tube wall and interior pipe is not more than 5mm and is formed independently to generate electricity and manage, gas outlet 5 is formed between the bottom of outer tube 1 and interior pipe 2, the even air chamber 3 of inlet is arranged at outer tube 1 top, even air chamber 3 surfaces or is placed under water, the positive pole 62 of the conductive layer 21 incoming transport high-voltage power supply 6 of interior pipe 2, another pole earth terminal 61 of ac high voltage power supply 6 accesses in liquid 7, two interstage voltages are not less than 1KV, frequency is between 1KHz ~ 50KHz.The utility model is directly placed in liquid, directly and indirectly can produce continuously and stably and include hydroxyl radical free radical, active particle and anakinetomer at interior low temperature plasma, and directly carry out materializing strategy to the liquid of contact.
On such scheme basis, described even air chamber 3 is connected to the upper end of outer tube 1, is the cydariform chamber that centre is expanding, upper and lower side shrinks, or is greater than the shape of Two-port netwerk in the middle of other, have the air inlet 41,42 of two in upper end.
In pipe, the conductive layer 21 of application is the material with excellent conductive performance.The electrode of conductive layer 21 is equipped with the material with good cooling performance.
Conductive layer 21 and liquid 7 add high-frequency ac voltage, gas between outer tube 1 and interior pipe 2 and the liquid of gasification are ionized, and gas-liquid interface electric discharge is formed at gas outlet 5 place, under the materialization effect of low temperature plasma, the proterties of the liquid of insulated tube periphery changes.
Embodiment 2
As shown in the plasma generator schematic diagram that Fig. 2 is assembled by electrode group, every root hollow edged electrode is a generating pipe, and its structure is identical with the structure of the generating pipe of embodiment 1;
Described electrode forms many groups group electrode by many hollow edged electrodes, and is connected by wire 10; First, second, third, fourth, the positive pole 62 ' of the 5th group of electrode 91,92,93,94,95 rear access power supply 6 ' in parallel, the negative pole of power supply 6 or earth terminal 61 ' access the liquid 7 in container 8 '.
The utility model is under normal temperature and pressure conditions, and the electrode part of low temperature plasma generating means is directly placed in liquid, more than voltage across poles KV level.
Electrode of the present utility model is one can form one group of electrode and many groups with multiple hollow edged electrodes.
Described electrode is by common electrode in parallel that is several or group electrode.
The type of cooling of the utility model to liquid comprises self flowing cooling and additional cooling recirculation system cools.
The utility model is applicable to Water warfare, waste water, exhaust-gas treatment, air cleaning, the material modification relevant to liquid, synthesis treatment technology.

Claims (4)

1. normal pressure and temperature High-frequency water body hypothermia plasma generator, under normal pressure and temperature condition, plasma generator is located in water body, comprise one or two with top electrode, it is characterized in that: described every root electrode by an interior finishing have the insulating material of more than 0.01mm conductive layer make in pipe, insert in the outer tube of the upper lower open mouth that another root insulating material is made, the outer wall spacing of outer tube wall and interior pipe is not more than 5mm and is formed to generate electricity and manage, gas outlet is formed between the bottom of outer tube and interior pipe, the even air chamber of inlet is arranged at outer tube top, even air chamber surfaces or is placed under water, one pole of interior pipe conductive layer incoming transport high-voltage power supply, in another pole earth terminal access water body of ac high voltage, two interstage voltages are not less than 1KV, frequency is between 1KHz ~ 50KHz.
2. normal pressure and temperature High-frequency water body hypothermia plasma generator according to claim 1, it is characterized in that: described even air chamber is connected to the upper end of outer tube, for centre is expanding, the cydariform chamber that shrinks of upper and lower side or or the shape of other Two-port netwerk broad in the middle, have more than one air inlet in upper end.
3. normal pressure and temperature High-frequency water body hypothermia plasma generator according to claim 1, is characterized in that: described electrode forms one group of electrode by one and many hollow edged electrodes.
4. the normal pressure and temperature High-frequency water body hypothermia plasma generator according to claim 1 or 3, is characterized in that: described electrode is that the earth terminal of power supply is connected with liquid by several or group electrode common source.
CN201420573285.3U 2014-09-30 2014-09-30 Normal pressure and temperature High-frequency water body hypothermia plasma generator Expired - Fee Related CN204206595U (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104270882A (en) * 2014-09-30 2015-01-07 赵岳虎 Normal-pressure normal-temperature high-frequency water low-temperature plasma generator
CN106455280A (en) * 2016-11-17 2017-02-22 安徽春暖花开环境科技有限公司 Manufacturing method of electrodes with medium impeding discharging of plasma
CN108235554A (en) * 2018-01-18 2018-06-29 大连民族大学 A kind of underwater dielectric barrier discharge device
CN109600902A (en) * 2018-12-10 2019-04-09 杨春俊 Low-temperature plasma activation liquid excitation apparatus and its application method
CN113907687A (en) * 2021-11-12 2022-01-11 珠海格力电器股份有限公司 Dish washing machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104270882A (en) * 2014-09-30 2015-01-07 赵岳虎 Normal-pressure normal-temperature high-frequency water low-temperature plasma generator
CN106455280A (en) * 2016-11-17 2017-02-22 安徽春暖花开环境科技有限公司 Manufacturing method of electrodes with medium impeding discharging of plasma
CN108235554A (en) * 2018-01-18 2018-06-29 大连民族大学 A kind of underwater dielectric barrier discharge device
CN109600902A (en) * 2018-12-10 2019-04-09 杨春俊 Low-temperature plasma activation liquid excitation apparatus and its application method
CN113907687A (en) * 2021-11-12 2022-01-11 珠海格力电器股份有限公司 Dish washing machine
CN113907687B (en) * 2021-11-12 2024-05-24 珠海格力电器股份有限公司 Dish-washing machine

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Granted publication date: 20150311