CN104906948A - Controllable plasma cooperating catalyst air purifying device and using method - Google Patents
Controllable plasma cooperating catalyst air purifying device and using method Download PDFInfo
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- CN104906948A CN104906948A CN201510307792.1A CN201510307792A CN104906948A CN 104906948 A CN104906948 A CN 104906948A CN 201510307792 A CN201510307792 A CN 201510307792A CN 104906948 A CN104906948 A CN 104906948A
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Abstract
The invention discloses a controllable plasma cooperating catalyst air purifying device and a using method. The controllable plasma cooperating catalyst air purifying device comprises a fan, a filter, a plasma cooperating catalyst reactor, a detection controller and a plasma power supply, wherein the fan is connected to the bottom end of the filter via a pipeline; the bottom end of the filter is provided with a liquid outlet; the plasma cooperating catalyst reactor is installed at the top end of the filter; the top end of the filter is also respectively provided with a liquid inlet and a safety valve which are positioned at two sides of the plasma cooperating catalyst reactor; the plasma cooperating catalyst reactor consists of a high-voltage electrode, an insulation medium and ground electrodes, wherein the high-voltage electrode is arranged between the parallel ground electrodes; the detection controller is connected between the plasma power supply and the ground electrodes of the plasma cooperating catalyst reactor. The device can generate stable and even plasma, can effectively purify air so as to achieve the aim of purifying air by the plasma combined with the catalyst, and has the characteristics of high treatment efficiency, economy, practicability and the like.
Description
Technical field
The present invention relates to air purification field, specifically a kind of utilize low temperature plasma united catalyst to purify air controllable type plasma body cooperative catalyst air cleaning system and using method.
Background technology
Along with the development of World Economics, the environment that the mankind depend on for existence but more and more worsens, room air pollution is also progressively being aggravated, and the self-purification capacity of indoor environment is very weak, and the half the time that has at least in life of people is spent in indoor, thus the quality of room air will directly affect the health of the mankind.Indoor pollutant is the organic matter of difficult degradation and some harmful microorganisms mainly, and these harmful substances of Long contact time and harmful microorganism easily make human body sick.Create a clean indoor environment and become a problem demanding prompt solution.
The mankind have developed various types of air purifier, with dealing with indoor environment problem.Current indoor air cleaner is mainly divided into three types, cleaning type air purifier, except volatile organic matter compound and degerming formula air purifier, cleaning type air purifier mainly filters out the impurity particle in air by glass fibre, synthetic fibers etc., or adopt electrostatic method to realize, but can not remove pernicious gas; Degerming formula air purifier mainly adopts ultraviolet sterilization method, but cannot remove pollutants such as dust; Except volatile organic matter air purifier mainly utilizes carbon dioxide photocatalysis to come organic degraded, but still cannot remove dust granules; Plasma discharge methods process air is considered to a kind of novel high-level oxidation technology, owing to having had concurrently, free radical and high energy electron oxidation, ozone oxidation, ultraviolet degradation, pyrolysis etc. are multiple acts on one for it, thus the various pollutants in air can be removed fast and effectively, especially commonsense method is difficult to the pollutant of degrading, and has that process range is wide, the processing time is short, treatment effeciency is high and the process thoroughly advantages such as non-secondary pollution.The discharge type that dielectric barrier discharge process waste gas is conventional places dielectric material in-between the electrodes, two electrodes are separated by dielectric material, under action of high voltage, the discharge channel that the breakdown rear formation of interelectrode gas is uneven, the high energy electron that ionization produces accelerates anode motion under electric field action, with the process of gas molecule collision, discharge gas is ionized further, forms stronger electron stream, directly send a telegraph subflow and be full of whole discharge channel, in the process of electric discharge, produce OH
●, O
3, H
●, H
2o
2, O
●, HO
2 ●isoreactivity particle, with occur in pending air effect process to decompose and redox reaction etc., heat simultaneously in discharge process can also impel organic pollution that certain pyrolytic reaction occurs, some bond energys in pollutant large keys is as C-C key and phenyl ring, can rupture under multiple action, towards H
2o and CO
2produce in small-molecule substance direction.In a word, dielectric barrier discharge air-treatment technology has important industrial application value and prospect.
Simple plasma method neither ideal very for organic matter degradation, especially to dust granules, still other means collaborative are needed to carry out purification of air, plasma body cooperative catalyst method, in current method, a lot of using plasma and catalyst are separated, and well cannot play the effect of catalyst.Therefore a kind of novel uniform and stable, that removal efficiency is high and cost is low plasma discharge air processor is developed significant.
In order to solve the above-mentioned technical problem existed in background technology, the invention provides a kind of controllable type plasma body cooperative catalyst air processor and processing method.
Summary of the invention
The object of the present invention is to provide a kind of structure simply, not to affect by electrode spacing, can obtain evenly, the controllable type plasma body cooperative catalyst air cleaning system of stable, high concentration active particle 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 controllable type plasma body cooperative catalyst air cleaning system, comprise blower fan, filter, plasma body cooperative hydrogen-catalyst reactor, detection control device and plasma electrical source, described blower and pipeline is connected to filter bottom end, the bottom of described filter is also provided with leakage fluid dram, filtered fluid is placed with in filter, described plasma body cooperative hydrogen-catalyst reactor is arranged on the top of filter, and the top of described filter is also respectively equipped with the inlet and safety valve that are positioned at plasma body cooperative hydrogen-catalyst reactor both sides; Described plasma body cooperative hydrogen-catalyst reactor is made up of high-field electrode, dielectric and ground electrode, described ground electrode is parallel to be arranged every sky relatively, and ground electrode is provided with dividing plate corresponding to multilayer, dielectric is arranged on the madial wall of ground electrode, described high-field electrode is arranged between parallel ground electrode, and the surface attachment of described dielectric has catalyst layer; Described detection control device is connected between the ground electrode of plasma electrical source and plasma body cooperative hydrogen-catalyst reactor.
As the further scheme of the present invention: the high-field electrode of described plasma body cooperative hydrogen-catalyst reactor adopts the CNT of conduction or graphite rod to make.
As the further scheme of the present invention: described dielectric adopts dielectric constant to be greater than the insulating materials of air, described ground electrode adopts pure copper material to make.
As the further scheme of the present invention: described catalyst layer adopts titanium dioxide as catalyst, and catalyst layer is attached on the mesh of dielectric.
As the further scheme of the present invention: described plasma electrical source adopts high-voltage ac power or bipolar high-voltage pulse power source.
As the present invention's further scheme: the filtered fluid in described filter is pure water or the aqueous solution being mixed with thimerosal.
As a process air method for controllable type plasma body cooperative catalyst air cleaning system, it is characterized in that, comprise the following steps:
A, the filtered fluid added in filter by inlet;
B, unlatching blower fan, by ambient air suction by blower fan suction filter;
C, detection control device are started working, and detect air pollution degree, and control the work of plasma body cooperative hydrogen-catalyst reactor;
After D, controller to be detected detect that air quality is up to state standards, plasma body cooperative hydrogen-catalyst reactor quits work.
Compared with prior art, the invention has the beneficial effects as follows:
1, plasma operation medium of the present invention is the atomizing air of mix moisture, the pollutant contributed in air directly contacts with plasma, and the time time of staying of process is long, and the organic pollutant in air is fully degraded under discharge plasma effect; The air not reaching processing requirements again enters reactor by blower fan and processes further, until reach processing requirements; Adopt dielectric barrier discharge plasma, improve degradation efficiency, and easy to operate, succinct, and equipment is also very simple.
2, whole system device of the present invention completes under the condition of closed communication, takes full advantage of the factors such as free radical, high energy electron and the ultraviolet radiation produced in discharge process to the effect of air-treatment.
3, the dielectric barrier discharge plasma that in the present invention, discharge process produces very evenly, stable and disperse, be conducive to ensureing director's Time Continuous process air, and circulation reprocessing, simultaneously owing to being have steam to enter region of discharge, so more OH can be produced relative to gas discharge in discharge process
●free radical isoreactivity group, the active group simultaneously produced can directly contact with organic matter in air timely, improves treatment effeciency.
4, detection control device of the present invention can detect air quality at any time, and controls the duty of plasma, energy-conservation as far as possible under the prerequisite realizing purification of air.
5, filter of the present invention can carry out pretreatment to air, and the harmful substance in air is entered in the process of reactor again can be degraded more effectively.
6, high-field electrode of the present invention is arranged on ground electrode center, thus ensures the safety in plasma discharge processes.
7, the present invention just can carry out under normal temperature, normal pressure, and reaction condition is gentle, and controllability is strong, and the Pollutant emission concentration of air can be good at reaching discharging standards simultaneously, and manufacture and processing cost cheap, be applicable to large-scale operation.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present invention.
Fig. 2 is the enlarged drawing of plasma synergistic catalyst reactor in the present invention.
In figure: 1-blower fan; 2-leakage fluid dram; 3-filtered fluid; 4-filter; 5-safety valve; 6-plasma body cooperative hydrogen-catalyst reactor; 7-inlet; 8-ground electrode; 9-dielectric; 10-dividing plate; 11-catalyst layer; 12-high-field electrode.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 ~ 2, in the embodiment of the present invention, a kind of controllable type plasma body cooperative catalyst air cleaning system, comprise blower fan 1, filter 4, plasma body cooperative hydrogen-catalyst reactor 6, detection control device and plasma electrical source, blower fan 1 is connected to filter 4 bottom by pipeline, the bottom of filter 4 is also provided with leakage fluid dram 2, filtered fluid 3 is placed with in filter 4, filtered fluid 3 in filter 4 is pure water, plasma body cooperative hydrogen-catalyst reactor 6 is arranged on the top of filter 4, the top of filter 4 is also respectively equipped with the inlet 7 and safety valve 5 that are positioned at plasma body cooperative hydrogen-catalyst reactor 6 both sides, plasma body cooperative hydrogen-catalyst reactor 6 is made up of high-field electrode 12, dielectric 9 and ground electrode 8, ground electrode 8 is parallel to be arranged every sky relatively, and ground electrode 8 is provided with dividing plate corresponding to multilayer 10, dielectric 9 is arranged on the madial wall of ground electrode 8, high-field electrode 12 is arranged between parallel ground electrode 8, and the surface attachment of dielectric 9 has catalyst layer 11.
Detection control device is connected between the ground electrode 8 of plasma electrical source and plasma body cooperative hydrogen-catalyst reactor 6, plasma electrical source adopts high-voltage ac power or bipolar high-voltage pulse power source, detection control device works, and controls the working condition of the upper, middle, and lower part of high-field electrode 12 and ground electrode 8.
As preferably, plasma body cooperative catalyst reaction, the high-field electrode 12 of 6 adopts the CNT of conduction or graphite rod to make.
As preferably, dielectric 9 adopts dielectric constant to be greater than the insulating materials of air, and ground electrode 8 adopts pure copper material to make.
As preferably, catalyst layer 11 adopts titanium dioxide as catalyst, and catalyst layer 11 is attached on the mesh of dielectric 9.
A using method for controllable type plasma body cooperative catalyst air cleaning system, comprises the following steps:
A, the filtered fluid added in filter by inlet;
B, unlatching blower fan, by ambient air suction by blower fan suction filter;
C, detection control device are started working, and detect air pollution degree, and the working condition of the upper, middle, and lower part of the high-field electrode 12 controlled in plasma body cooperative hydrogen-catalyst reactor and ground electrode 8;
After D, controller to be detected detect that air quality is up to state standards, plasma body cooperative hydrogen-catalyst reactor quits work.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
Claims (7)
1. a controllable type plasma body cooperative catalyst air cleaning system, comprise blower fan, filter, plasma body cooperative hydrogen-catalyst reactor, detection control device and plasma electrical source, it is characterized in that, described blower and pipeline is connected to filter bottom end, the bottom of described filter is also provided with leakage fluid dram, filtered fluid is placed with in filter, described plasma body cooperative hydrogen-catalyst reactor is arranged on the top of filter, and the top of described filter is also respectively equipped with the inlet and safety valve that are positioned at plasma body cooperative hydrogen-catalyst reactor both sides; Described plasma body cooperative hydrogen-catalyst reactor is made up of high-field electrode, dielectric and ground electrode, described ground electrode is parallel to be arranged every sky relatively, and ground electrode is provided with dividing plate corresponding to multilayer, dielectric is arranged on the madial wall of ground electrode, described high-field electrode is arranged between parallel ground electrode, and the surface attachment of described dielectric has catalyst layer; Described detection control device is connected between the ground electrode of plasma electrical source and plasma body cooperative hydrogen-catalyst reactor.
2. controllable type plasma body cooperative catalyst air cleaning system according to claim 1, is characterized in that, the high-field electrode of described plasma body cooperative hydrogen-catalyst reactor adopts the CNT of conduction or graphite rod to make.
3. controllable type plasma body cooperative catalyst air cleaning system according to claim 1, is characterized in that, described dielectric adopts dielectric constant to be greater than the insulating materials of air, and described ground electrode adopts pure copper material to make.
4. controllable type plasma body cooperative catalyst air cleaning system according to claim 1, is characterized in that, described catalyst layer adopts titanium dioxide as catalyst, and catalyst layer is attached on the mesh of dielectric.
5. controllable type plasma body cooperative catalyst air cleaning system according to claim 1, is characterized in that, described plasma electrical source adopts high-voltage ac power or bipolar high-voltage pulse power source.
6. controllable type plasma body cooperative catalyst air cleaning system according to claim 1, is characterized in that, the filtered fluid in described filter is pure water or the aqueous solution being mixed with thimerosal.
7. a using method for the controllable type plasma body cooperative catalyst air cleaning system as described in arbitrary claim 1 ~ 6, is characterized in that, comprise the following steps:
A, the filtered fluid added in filter by inlet;
B, unlatching blower fan, by ambient air suction by blower fan suction filter;
C, detection control device are started working, and detect air pollution degree, and control the work of plasma body cooperative hydrogen-catalyst reactor;
After D, controller to be detected detect that air quality is up to state standards, plasma body cooperative hydrogen-catalyst reactor quits work.
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Cited By (5)
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| CN105854596A (en) * | 2016-06-13 | 2016-08-17 | 江苏乐居乐家网络科技有限公司 | Organism high-voltage-electric-field-assisted catalytic degradation device for air purifier |
| CN109603450A (en) * | 2019-02-20 | 2019-04-12 | 北京卓昱科技有限公司 | A kind of smart electronics flue gas purification system |
| CN109724360A (en) * | 2017-10-30 | 2019-05-07 | 合肥华凌股份有限公司 | Purification device and refrigerator |
| CN111038226A (en) * | 2019-12-31 | 2020-04-21 | 河海大学常州校区 | Discharging and catalyzing combined vehicle-mounted air purifier |
| CN113440989A (en) * | 2021-08-11 | 2021-09-28 | 河南三棵树新材料科技有限公司 | Dielectric barrier discharge reactor for in-situ purification of pollutants by carbon nano tube and application |
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Effective date of registration: 20180301 Address after: Room 815, 816, A3 building, Hefei Innovation Industrial Park, No. 800, Hefei West Road, Wangjiang Road, Anhui high tech Zone Patentee after: ANHUI CHUNNUANHUAKAI ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: Bozhou City, Anhui province 233500 Tang Miao Cun, Mengcheng County, Xinji Xiang Zhang Zhuang 21 Patentee before: Zhang Heling |
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