CN2728245Y - Stream surface type cold electric arc bactericidal device - Google Patents
Stream surface type cold electric arc bactericidal device Download PDFInfo
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- CN2728245Y CN2728245Y CN 200420064825 CN200420064825U CN2728245Y CN 2728245 Y CN2728245 Y CN 2728245Y CN 200420064825 CN200420064825 CN 200420064825 CN 200420064825 U CN200420064825 U CN 200420064825U CN 2728245 Y CN2728245 Y CN 2728245Y
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Abstract
The utility model relates to a stream surface type cold electric arc bactericidal device which overcomes the defects in the existing bactericidal technology and provides a stream surface type cold electric arc bactericidal device with convenience, high efficiency and low energy consumption. The stream surface type cold electric arc bactericidal device comprises a liquid source device, a plasma body excitation device and an air source device of gas, wherein the liquid source device, the plasma body excitation device and the air source device are orderly connected through pipelines. The stream surface type cold electric arc bactericidal device also comprises a high-voltage power supply device. The utility model is characterized in that the plasma body excitation device is composed of insulating mediums, an electrode plate and a stream surface type device; the insulating mediums are positioned in a discharge space; the stream surface type device is positioned between the insulating mediums. The utility model has the advantages that the stream surface type cold electric arc bactericidal device can effectively kill bacteria, yeasts, viruses, etc. in liquid within short time to make the treated liquid directly utilized; the device has simple structure, convenient operation and almost no heat generation in treating process. The utility model has higher plasma body generation efficiency and bactericidal efficiency than a gas liquid hybrid type plasma body bactericidal device, and is capable of being applied to the relevant fields of environmental protection, foods, medical care, sanitation, etc.
Description
Technical field
The utility model relates to a kind of sterilizing unit, relates in particular to a kind of sterilization process device that can be applicable to mineral water, fresh milk, carbonated beverage and sink drainage.
Background technology
Existing technical sterilization method is a lot, comprises pasteurization, ultra-violet sterilization, radiosterilization, ultra-high pressure sterilization and high pressure pulse discharge sterilization etc.These sterilization technologies are the limitation and the shortcoming of various degrees all.Be easy to destroy the nutritive ingredient and the local flavor of food as pasteurization; Ultra-violet sterilization can only be done surface treatment and harmful; Radiosterilization apparatus expensive and harmful; Ultra-high pressure sterilization equipment manufacturing cost costliness and complicated operation; High pressure pulse discharge sterilization battery lead plate corrodes easily and operating process needs refrigeration plant.At present, low-temperature plasma has been successfully used to the decomposition of surface treatment and dusty gas.But do not appear in the newspapers at home about the sterilization of adopting dielectric barrier discharge generation low-temperature plasma to carry out in the liquid system, rarely have report abroad yet.Forefathers adopt dielectric barrier discharge to produce the sterilizing unit that low-temperature plasma carries out sterilization genus " gas-in-liquid " type in the liquid system, but because gas-liquid mixed causes gas volume not enough, fail to produce enough low-temperature plasmas.
Summary of the invention
The purpose of this utility model is the weak point that overcomes in the existing sterilization technology, thereby the stream interface type cold plasma sterilizing unit of a kind of easy, efficient, low temperature, less energy-consumption is provided.
The technical solution of the utility model is as follows: it comprises excitation device, high-voltage power apparatus, liquid source apparatus and the compressed air source unit of gas, connect liquid source apparatus, excitation device and compressed air source unit successively by pipeline, it is characterized in that: excitation device is made up of dielectric, battery lead plate and stream interface type device, dielectric is positioned at discharge space, stream interface type device is between dielectric, and high-voltage power apparatus (4) is connected by lead and excitation device (3).
The utility model has following advantage compared to existing technology: this sterilizing unit can effectively be killed bacterium, yeast and the virus etc. in the liquid in the short period of time, processed liquid can directly be utilized, and this apparatus structure is simple, easy to operate, produce heat hardly in the treating processes, plasma sterilization device than gas-liquid mixed type has higher plasma generation efficient and germ-killing efficiency, can be applicable to association areas such as environmental protection, food, health care.
Description of drawings
Fig. 1 is the structure schematic flow sheet of the utility model embodiment 1.
Fig. 2 is the excitation device right section structural map of the utility model most preferred embodiment.
Fig. 3 is the excitation device side sectional structural map of the utility model most preferred embodiment.
Label declaration: 1 liquid source apparatus, 2 constant flow pumps, 3 excitation device, 31 outlet passageways, 32 battery lead plates, 33 feed pathway, 331 fluid holes, 34 stream interface type devices, 341 fixed flat planars, 342 liquid-flow films, 343 fluid inlets, 344 liquid outlets, 35 induction trunks, 36 liquid outlet channels, 37 dielectrics 38 go out sap cavity 39 outlet chambers 4 high-voltage power apparatus 5 treatment solution collectors 6 compressed air source units.
Embodiment
Sterilizing unit described in the utility model comprises excitation device 3, high-voltage power apparatus 4, liquid source apparatus 1 and the compressed air source unit 6 of gas.
Excitation device 3 is a kind of generating units that utilize dielectric barrier discharge to produce plasma body.Excitation device 3 is made up of dielectric 37, battery lead plate 32 and stream interface type device 34.Dielectric 37 is between two plate electrode plates 32, be that dielectric 37 can cover on the battery lead plate 32 or is suspended in the discharge space, like this, when on discharge electrode plate 32, applying sufficiently high voltage of alternating current, the gas that battery lead plate is 32 is even also can be breakdown under high atmospheric pressure very and form so-called dielectric barrier discharge.That this discharge shows as is very even, disperse and stablize, seem to be subatmospheric glow discharge down, but in fact it is to be made of trickle fast pulse discharge channels in a large number.This can prevent not only that discharge plasma from directly contacting with metal electrode board and the battery lead plate corrosion phenomenon that occurs, thereby and can prevent that forming local spark or arc discharge at discharge space forms stable geseous discharge under the common atmospheric pressure.
Dielectric 37 can adopt materials such as glass, toughened glass, Resins, epoxy, pottery, corundum, quartz.
Stream interface type device 34 is to place in the discharge space, between dielectric 37.The main effect of stream interface type device 34 is to make that treatment solution forms in the process of electrical discharge zone of flowing through evenly, the moisture film of steady flow, thereby realizes " liquid-in-gas ", has improved the generation efficient of plasma body significantly.The material that stream interface type device 34 is selected for use can be all materials that can make current formation moisture film, for example: the combination of screen window, gauze, screen window and gauze etc.Stream interface type device 34 should be avoided contacting with dielectric 37 in the process of placing as far as possible, and stretching as far as possible, in order to avoid influence germ-killing efficiency.
The selected of discharging gap between the battery lead plate 32 is considerable, must the effective discharging gap of design.This mainly is to be the maximum clearance can excite the critical electric field that produces plasma body under certain voltage.Because under identical voltage, along with the increase of discharging gap, strength of electric field diminishes.In actual application, should take into full account energy consumption when reaching sterilization effect, the critical electric field that produces plasma body and the relation between the discharging gap three, thus rational balance in addition.
High-voltage power apparatus 4 mainly is made up of general lighting circuit, transformer and high-pressure measurement mechanism.The frequency of transformer can be 50Hz～1MHz.
Liquid source apparatus 1 mainly is made up of constant flow pump 2 and processed liquid.
The selection of the gaseous species in the compressed air source unit 6 is multiple, for example air, oxygen and nitrogen etc.
Below in conjunction with accompanying drawing the utility model is described in more detail.
Embodiment 1:
As Figure 1-3:
I. the utility model comprises excitation device 3, high-voltage power apparatus 4, liquid source apparatus 1, compressed air source unit 6 and the treatment solution collector 5 of gas, connect liquid source apparatus 1, excitation device 3, compressed air source unit successively by pipeline, also be connected by pipeline excitation device 3 with treatment solution collector 5, excitation device 3 is made up of dielectric 37, battery lead plate 32 and stream interface type device 34, dielectric 37 is positioned at discharge space, and stream interface type device 34 is between dielectric.
High-voltage power apparatus 4 is by lead and excitation device 3 polyphones.Excitation device 3 is devices of a kind of dielectric barrier discharge, and its structure is shown in Fig. 2,3, and battery lead plate 32 covers on the dielectric 37, and battery lead plate 32 links to each other with high-voltage power apparatus 4 by lead.
Form a cavity by dielectric 37 encirclements, stream interface type device 34 is fixed in the cavity, stream interface type device 34 is by liquid-flow film 342, fixed flat planar 341 and fluid inlet 343, liquid outlet 344 constitutes, liquid-flow film 342 is a plane formula, liquid-flow film 342 is between two fixed flat planars 341, it around be fixed on tightly fixed flat planar 341 around, play tension, the effect of exceptionally straight liquid-flow film 342, slightly gapped between fixed flat planar 341 intermediary liquid-flow films 342 and fixed flat planar 341, to guarantee that liquid can be along liquid-flow film 342 top-down flowing in fixed flat planar 341, the inner-wall surface wringing fit of the two ends up and down of fixed flat planar 341 and dielectric 37 cavitys, stream interface type device 34 is suspended in the dielectric 37, liquid-flow film 342 is made by the material that all can make current form moisture film, for example: screen window, gauze, the combination of screen window and gauze etc., it can be one or more layers constituting; Upper and lower end parts at fixed flat planar 341 is respectively equipped with one or more fluid inlet 343 and liquid outlet 344, is provided with feed pathway 33 in the upper end of fixed flat planar 341, and the corresponding position with fluid inlet 343 on feed pathway 33 has fluid hole 331; Above stream interface type device 34, be provided with outlet chamber 39, in dielectric 37, be positioned at stream interface type device 34 below be provided with out sap cavity 38, on dielectric 37, be provided with and make outlet chamber 39 with the extraneous outlet passageway that communicates 31 with use sap cavity 38 and extraneous induction trunk 35 and the liquid outlet channel 36 that communicates: startup high-voltage power apparatus 4, form high-voltage at excitation device 3 two ends, gas in the excitation device 3 produces plasma body by discharge at electrical discharge zone, and the intravital fluxion in chamber is produced germicidal action.
II. with constant flow pump 2 the pending liquid in the liquid source apparatus 1 is sent in the excitation device 3 of having switched on by the feed pathway 33 of excitation device 3.Pending liquid is flowed through behind the stream interface type device 34 in excitation device 3 electrical discharge zone, flows out excitation device 3 from liquid outlet channel 36, and then obtains treatment solution.Treatment solution finally flows in the treatment solution collector 5.
Embodiment 2 is with reference to Fig. 1, Fig. 2 and Fig. 3:
I. consistent with the I among the embodiment 1.
II. with constant flow pump 2 the pending liquid in the liquid source apparatus 1 is sent into by the feed pathway 33 of excitation device 3 in the excitation device 3 of having switched on, in excitation device 3, fed gas by compressed air source unit 6 through induction trunk 35 simultaneously.Gas flows out through outlet passageway 31, and pending liquid is flowed through behind the stream interface type device 34 in excitation device 3 electrical discharge zone, flows out excitation device 3 from liquid outlet channel 36, and then obtains treatment solution.Treatment solution finally flows in the treatment solution collector 5.
Described liquid system method for disinfection is to make the water film flow of continuous flow through the dielectric barrier discharge zone, utilizes the geseous discharge in this zone, the very high and very low nonequilibrium plasma of ion temperature of electron gain temperature.Make the processed liquid in this zone of flowing through cause existing ozonization, ultraviolet irradiation is arranged again, the bombardment effect of discharge plasma high speed electronics is arranged again, the comprehensive treating process environment of living radical effect in the discharge plasma is arranged again.Under this environment, when processed liquid at electrical discharge zone through after the sufficiently long distance, the treatment solution that is given off can reach deodorizing and sterilization effects.Therefore the total length of electrical discharge zone is answered sufficiently long, then can utilize a plurality of sterilizing unit series connection described in the utility model to use if fall short of, with needs that satisfy the electrical discharge zone total length and the problems such as space and manufacturing process that are provided with that solve sterilizing unit described in the utility model.In the exit of sterilizing unit described in the utility model, also can be provided with the device of filtration because of foreign material in the water after Cement Composite Treated by Plasma.In whole germ-resistant process, need not heating condition, also produce heat hardly.
Claims (7)
1. stream interface type cold plasma sterilizing unit, comprise excitation device (3), high-voltage power apparatus (4), liquid source apparatus (1) and compressed air source unit (6), connect liquid source apparatus (1), excitation device (3) and compressed air source unit (6) successively by pipeline, it is characterized in that: excitation device (3) is made up of dielectric (37), battery lead plate (32) and stream interface type device (34), dielectric (37) is between battery lead plate (32), and stream interface type device (34) is between dielectric (37); High-voltage power apparatus (4) is connected by lead and excitation device (3).
2. stream interface type cold plasma sterilizing unit according to claim 1 is characterized in that: excitation device (3) also is connected with treatment solution collector (5) by pipeline, and battery lead plate (32) links to each other with high-voltage power apparatus (4) by lead.
3. stream interface type cold plasma sterilizing unit according to claim 1 is characterized in that: dielectric (37) covers battery lead plate (32) and goes up or be suspended in the discharge space.
4. stream interface type cold plasma sterilizing unit according to claim 1 is characterized in that: surrounded by dielectric (37) and form a cavity, stream interface type device (34) is fixed in the cavity.
5. stream interface type cold plasma sterilizing unit according to claim 1, it is characterized in that: stream interface type device (34) is by liquid-flow film (342), fixed flat planar (341) and fluid inlet (343), liquid outlet (344) constitutes, liquid-flow film (342) is a plane formula, liquid-flow film (342) is positioned between two fixed flat planars (341), it around be fixed on tightly fixed flat planar (341) around, slightly gapped between fixed flat planar (341) intermediary liquid-flow film (342) and fixed flat planar (341), the inner-wall surface wringing fit of the two ends up and down of fixed flat planar (341) and dielectric (37) cavity.
6. stream interface type cold plasma sterilizing unit according to claim 5, it is characterized in that: the upper and lower end parts at fixed flat planar (341) is respectively equipped with one or more fluid inlet (343) and liquid outlet (344), be provided with feed pathway (33) in the upper end of fixed flat planar (341), corresponding position last in feed pathway (33) and fluid inlet (343) has fluid hole (331).
7. stream interface type cold plasma sterilizing unit according to claim 6, it is characterized in that: be provided with outlet chamber (39) in the top of stream interface type device (34), in dielectric (37), the below that is positioned at stream interface type device (34) is provided with out sap cavity (38), on dielectric (37), be provided with to make outlet chamber (39) and the extraneous outlet passageway (31) that communicates and use sap cavity (38) and induction trunk (35) and liquid outlet channel (36) that the external world communicates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420064825 CN2728245Y (en) | 2004-05-27 | 2004-05-27 | Stream surface type cold electric arc bactericidal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420064825 CN2728245Y (en) | 2004-05-27 | 2004-05-27 | Stream surface type cold electric arc bactericidal device |
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| Publication Number | Publication Date |
|---|---|
| CN2728245Y true CN2728245Y (en) | 2005-09-28 |
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| CN 200420064825 Expired - Fee Related CN2728245Y (en) | 2004-05-27 | 2004-05-27 | Stream surface type cold electric arc bactericidal device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103517879A (en) * | 2011-03-29 | 2014-01-15 | 普拉泽玛-普罗有限责任公司 | Device for removing organic and chemical microbic pollutants from water |
| CN114126179A (en) * | 2021-11-09 | 2022-03-01 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Device and method for generating large-area uniform glow discharge plasma |
-
2004
- 2004-05-27 CN CN 200420064825 patent/CN2728245Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103517879A (en) * | 2011-03-29 | 2014-01-15 | 普拉泽玛-普罗有限责任公司 | Device for removing organic and chemical microbic pollutants from water |
| CN103517879B (en) * | 2011-03-29 | 2015-09-16 | 普拉泽玛-普罗有限责任公司 | For removing the equipment of microorganism in water, organic and chemical pollutant |
| CN114126179A (en) * | 2021-11-09 | 2022-03-01 | 中国人民解放军军事科学院国防工程研究院工程防护研究所 | Device and method for generating large-area uniform glow discharge plasma |
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| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |