CN102961771A - Plasma air disinfection device - Google Patents
Plasma air disinfection device Download PDFInfo
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- CN102961771A CN102961771A CN2012104988478A CN201210498847A CN102961771A CN 102961771 A CN102961771 A CN 102961771A CN 2012104988478 A CN2012104988478 A CN 2012104988478A CN 201210498847 A CN201210498847 A CN 201210498847A CN 102961771 A CN102961771 A CN 102961771A
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The invention discloses a plasma air disinfection device which sequentially comprises a tail gas treatment device, a plasma generation device and an air distribution device from top to bottom, wherein the tail gas treatment device consists of a gas mixer, a tail gas treatment device and an ozone discharge pipe; the tail gas treatment device is positioned above the gas mixer; the gas mixer is connected with the plasma generation device through a gas pipeline; the air distribution device consists of a high-pressure fan, an air supply pipeline and flow regulation valves; the high-pressure fan is connected with the air supply pipeline; the air supply pipeline has two branches, one branch enters the plasma generation device through a first flow regulation valve and the other branch enters the gas mixer through a second flow regulation valve. The plasma air disinfection device is simple in structure, low in energy consumption, high in efficiency and particularly suitable for effectively killing bacteria in the air in hospitals, food packaging and dosing workshops, cosmetics packaging and dosing workshops and bacterial culture workshops, and the function of disinfecting ozone generated by air discharge can be fully utilized.
Description
Technical field
The present invention relates to a kind of air sterilization device, be specifically related to a kind of plasma air sterilization device.
Background technology
Lower temperature plasma technology is obtaining increasingly extensive application aspect the environmental project such as synthetic of exhaust-gas treatment, vehicle exhaust processing, wastewater treatment, ozone.The characteristics such as plasma sterilization device tool efficient is high, energy consumption is low, the scope of application is wide, existing multiple relevant apparatus is applied.The ultimate principle of plasma air sterilization machine all is to produce various active particles by atmospherical discharges, thus kill bacteria.Utilize atmospherical discharges just to keep away the generation of unavoidable ozone.Ozone is very strong oxidant, has sterilization, sterilization, deodorization, decolouring, the fresh-keeping and function such as cure the disease.U.S. food in 1997 and Drug Administration's regulation, ozone can be used for food service industry as additive by without stint, makes ozone become one of cold sterilization technology of standard.In recent years, more domestic export-oriented food service industrys are brought into use ozone, some emerging preserving fruit and vegetable utilizing storehouses begin using ozone, so that the cold sterilization technology of ozone has had the very large market space, such as workshop air disinfection and surface disinfection, industrial water purification, refrigerating room disinfecting, fruit and vegerable keeping-freshness storage, production apparatus and working clothing sterilization etc.Most plasma sterilization machine ozone utilization rate are not high.
Summary of the invention
Shortcoming and deficiency that the present invention exists in order to overcome prior art provide a kind of plasma air sterilization machine.
The present invention adopts following technical scheme:
A kind of plasma air sterilization device comprises exhaust gas processing device, plasma producing apparatus and air dispenser from top to bottom successively;
Described exhaust gas processing device is made of gas mixer, exhaust gas treating device and ozone delivery pipe, and described exhaust gas treating device is positioned at the top of gas mixer, and described gas mixer is connected with plasma producing apparatus by gas piping;
Described air dispenser is made of high pressure positive blower, air-supply pipeline and flow control valve, and described high pressure positive blower is connected with the pipeline of blowing, and described air-supply pipeline comprises that leading up to the first flow control valve enters plasma producing apparatus.
Described air-supply pipeline comprises that also another road enters gas mixer by the second adjustable valve.
The base plate of described exhaust gas treating device is sieve plate.
The ozone delivery pipe is installed at the base plate center of described exhaust gas treating device.
Described plasma producing apparatus is the dielectric barrier discharge plasma generating means.
Described plasma producing apparatus is 1:0 ~ 3 with the air mass flow ratio that enters gas mixer by high pressure positive blower.
In the described exhaust gas treating device ozone decomposition catalyst is housed, the carrier of described ozone decomposition catalyst is active carbon, activated alumina, porous ceramics or molecular sieve.
The dielectric of described plasma producing apparatus is insulating ceramics.
Described ozone delivery pipe is equipped with the 3rd flow control valve.
Operation principle of the present invention:
High pressure positive blower will contain the air of bacterium and send into respectively plasma producing apparatus and gas mixer by the air-supply pipeline, the air mass flow that enters in plasma producing apparatus and the gas mixer is regulated by the air flow rate adjustment valve that is installed on the respective line respectively, plasma producing apparatus and by the air flow control in the direct air inlet body of the high pressure positive blower blender between 1:0 ~ 3.Air in the plasma producing apparatus is subjected to highfield to excite discharge in plasma producing apparatus, produce dielectric barrier discharge plasma, airborne antibacterial is killed in plasma producing apparatus, oxygen discharge also produces a large amount of ozone simultaneously, and the ozone that produces also has stronger sterilizing ability.Enter air in the plasma producing apparatus contains higher concentration after the kill bacteria in plasma producing apparatus ozone, containing ozone gas enters in the gas mixer, and gas mixer, mix from the high pressure positive blower bacterium air that contains out with another road, in gas mixer, utilize the sterilizing function of ozone to carry out sterilization processing without the bacterium air that contains that plasma is freeed device.Air in the gas mixer is after sterilization processing, ozone concentration is diluted, mist after the dilution enters exhaust gas processing device, and ozone decomposition catalyst promotes ozone decomposed in exhaust gas treating device, makes the ozone in the mist be reduced to the concentration that can discharge.Mist can also directly be discharged ozone from the ozone delivery pipe, and peripheral space is carried out ozone sterilization.
Beneficial effect of the present invention:
1, from high pressure positive blower out after, contain the bacterium air and be divided into two-way, can reduce on the one hand the processing load of plasma device, can utilize again on the other hand the sterilizing function of the ozone that atmospherical discharges produces.
2, establish the ozone delivery pipe on the exhaust gas treating device, make the plasma air sterilization device have the function of ozone generating-device concurrently.
3, the present invention is simple in structure, cost of manufacture is low, can take full advantage of the sterilizing function of the ozone of atmospherical discharges generation, energy consumption is lower, efficient is higher, be particularly suitable for effectively killing of antibacterial in the air in hospital, packaging for foodstuff batch plant, cosmetic ingredients packing shop and spawn culture workshop, can realize continuing the dynamic air sterilization in the situation of man-machine coenecium, have broad application prospects.
Description of drawings
Fig. 1 is structural representation of the present invention.
Shown in the figure: 1-the 3rd flow control valve, 2-exhaust gas treating device, 3-gas mixer, 4-gas piping, 5-plasma producing apparatus, 6-high pressure positive blower, 7-first flow control valve, 8-second adjustable valve, the 9-pipeline of blowing, 10-ozone delivery pipe.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
The structure of present embodiment ionic medium generating means such as patent No. 200520053401.X(dielectric barrier discharge plasma gas cleaning plant) described in.
As shown in Figure 1, a kind of plasma air sterilization device comprises exhaust gas processing device, plasma producing apparatus 5 and air dispenser from top to bottom successively; Described plasma producing apparatus 5 is the dielectric barrier discharge plasma generating means, described plasma producing apparatus 5, the input voltage of supporting high-voltage pulse alternating current power supply are 220V, and incoming frequency is 50/60Hz, output voltage is 3kV, and output frequency is 20kHz; The supporting dielectric of described plasma producing apparatus is insulating ceramics.
Described air dispenser is by high pressure positive blower 6, air-supply pipeline 9 and flow control valve consist of, described flow control valve comprises first flow control valve 7 and second adjustable valve 8, described high pressure positive blower 6 is connected with air-supply pipeline 9, described air-supply pipeline 9 comprises that leading up to first flow control valve 7 enters plasma producing apparatus 5, another road enters gas mixer 3 by second adjustable valve 8, enters the air mass flow of plasma producing apparatus 5 and enters the air mass flow of gas mixer 3 respectively by first flow control valve 7 by air-supply pipeline 9, second adjustable valve 8 is regulated.
Described exhaust gas processing device is made of gas mixer 3, exhaust gas treating device 2 and ozone delivery pipe 10, and described exhaust gas treating device 2 is positioned at the top of gas mixer 3, and described gas mixer 3 is connected with plasma producing apparatus 5 by gas piping 4; The base plate of described exhaust gas processing device 2 is sieve plates, gas in the gas mixer 3 can enter exhaust gas treating device 2 by sieve plate, described exhaust gas processing device 2 is filled with ozone decomposition catalyst, and the ozone decomposition catalyst carrier is active carbon, activated alumina, porous ceramics or molecular sieve; Described ozone delivery pipe 10 places the center of exhaust gas treating device base plate, and the 3rd flow control valve 1 is installed on the ozone delivery pipe 10.
The air that will contain bacterium by high pressure positive blower 6 is sent into the plasma air sterilization device, contain the bacterium air and out enter respectively plasma producing apparatus 5 and gas mixer 3 by air-supply pipeline 9 afterwards from high pressure positive blower 6, the air mass flow that enters in plasma producing apparatus 5 and the gas mixer 3 is regulated by the first flow control valve 7, the second adjustable valve 8 that are installed on the respective line respectively, enters air flow control in plasma producing apparatus 5 and the gas mixer 3 at 1:3.The air that enters in the plasma producing apparatus 5 is subjected to highfield to excite discharge in plasma producing apparatus 5, produce dielectric barrier discharge plasma, airborne antibacterial is killed in plasma, oxygen discharge also produces a large amount of ozone simultaneously, and the ozone that produces also has stronger sterilizing ability.Enter air in the plasma producing apparatus 5 contains higher concentration after the kill bacteria in plasma producing apparatus 5 ozone, contain ozone gas and enter in the gas mixer 3 the bacterium air that contains of sending into air-supply pipeline 9 by gas piping 4 and mix, in gas mixer 3, utilize the sterilizing function of ozone to carry out sterilization processing without the bacterium air that contains of plasma producing apparatus 5.Air in the gas mixer 3 is after sterilization processing, ozone concentration is diluted, mist after the dilution enters exhaust gas treating device 2, and ozone decomposition catalyst promotes ozone decomposed in exhaust gas treating device 2, makes the ozone in the mist be reduced to the concentration that can discharge.Mist can also be opened the 3rd flow control valve 1 and directly discharge ozone from ozone delivery pipe 10, and peripheral space is carried out ozone sterilization.
Be that with the difference of embodiment 1 input voltage of described plasma producing apparatus 5 supporting high-voltage pulse alternating current power supplys is 220V, incoming frequency is 50/60Hz, and output voltage is 3.8kV, and output frequency is 6kHz;
Enter air flow control in plasma producing apparatus 5 and the gas mixer 3 at 1:1 by air-supply pipeline 9.
The difference of present embodiment and embodiment 1 is, air-supply pipeline 9 comprises that leading up to first flow control valve 7 enters plasma producing apparatus 5, or closes the second adjustable valve 8 of air-supply pipeline 9.
Contain the bacterium air and all enter plasma producing apparatus 5 by gas piping 4 from high pressure positive blower 6 after out, entering air in the plasma producing apparatus 5 frees at plasma and is subjected to highfield to excite discharge in the device, produce dielectric barrier discharge plasma, airborne antibacterial is killed in plasma, oxygen discharge also produces a large amount of ozone simultaneously, contain ozone gas and enter gas mixer 3 by gas piping 4, open the 3rd flow control valve 1 high dense ozone and directly discharge ozone from ozone delivery pipe 10, peripheral space is carried out ozone sterilization.
Above-described embodiment is the better embodiment of the present invention; but embodiments of the present invention are not limited by the examples; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (9)
1. a plasma air sterilization device is characterized in that, comprises successively from top to bottom exhaust gas processing device, plasma producing apparatus and air dispenser;
Described exhaust gas processing device is made of gas mixer, exhaust gas treating device and ozone delivery pipe, and described exhaust gas treating device is positioned at the top of gas mixer, and described gas mixer is connected with plasma producing apparatus by gas piping;
Described air dispenser is made of high pressure positive blower, air-supply pipeline and flow control valve, and described high pressure positive blower is connected with the pipeline of blowing, and described air-supply pipeline comprises that leading up to the first flow control valve enters plasma producing apparatus.
2. a kind of plasma air sterilization device according to claim 1 is characterized in that, described air-supply pipeline comprises that also another road enters gas mixer by the second adjustable valve.
3. a kind of plasma air sterilization device according to claim 1 is characterized in that the base plate of described exhaust gas treating device is sieve plate.
4. a kind of plasma air sterilization device according to claim 3 is characterized in that, the ozone delivery pipe is installed at the base plate center of described exhaust gas treating device.
5. a kind of plasma air sterilization device according to claim 1 is characterized in that, described plasma producing apparatus is the dielectric barrier discharge plasma generating means.
6. a kind of plasma air sterilization device according to claim 1 is characterized in that, described plasma producing apparatus is 1:0 ~ 3 with the air mass flow ratio that enters gas mixer by high pressure positive blower.
7. a kind of plasma air sterilization device according to claim 1 is characterized in that, in the described exhaust gas treating device ozone decomposition catalyst is housed, and the carrier of described ozone decomposition catalyst is active carbon, activated alumina, porous ceramics or molecular sieve.
8. a kind of plasma air sterilization device according to claim 1 is characterized in that, the dielectric of described plasma producing apparatus is insulating ceramics.
9. a kind of plasma air sterilization device according to claim 4 is characterized in that, described ozone delivery pipe is equipped with the 3rd flow control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104988478A CN102961771A (en) | 2012-11-28 | 2012-11-28 | Plasma air disinfection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104988478A CN102961771A (en) | 2012-11-28 | 2012-11-28 | Plasma air disinfection device |
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| CN102961771A true CN102961771A (en) | 2013-03-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109803690A (en) * | 2016-10-06 | 2019-05-24 | 卓水(北京)科技有限公司 | Discharge processor and its discharge treatment unit |
| CN112057658A (en) * | 2020-08-08 | 2020-12-11 | 浙江创力电子股份有限公司 | Separated shared ozone disinfection pile and using method thereof |
| CN112642225A (en) * | 2019-10-12 | 2021-04-13 | 苏州淳雨净化科技有限公司 | File cabinet sterilization equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1893984A (en) * | 2003-12-12 | 2007-01-10 | Lk空气质量公开股份有限公司 | Arrangement for influencing and treating the air of at least one room |
| CN101784327A (en) * | 2007-06-22 | 2010-07-21 | 开利公司 | Use the method and system of ozone generating device for air purification |
| WO2010109160A1 (en) * | 2009-03-24 | 2010-09-30 | Tri-Air Developments Limited | Improved air decontamination device and method |
| CN202982718U (en) * | 2012-11-28 | 2013-06-12 | 华南理工大学 | Plasma air disinfection device |
-
2012
- 2012-11-28 CN CN2012104988478A patent/CN102961771A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1893984A (en) * | 2003-12-12 | 2007-01-10 | Lk空气质量公开股份有限公司 | Arrangement for influencing and treating the air of at least one room |
| CN101784327A (en) * | 2007-06-22 | 2010-07-21 | 开利公司 | Use the method and system of ozone generating device for air purification |
| WO2010109160A1 (en) * | 2009-03-24 | 2010-09-30 | Tri-Air Developments Limited | Improved air decontamination device and method |
| CN202982718U (en) * | 2012-11-28 | 2013-06-12 | 华南理工大学 | Plasma air disinfection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109803690A (en) * | 2016-10-06 | 2019-05-24 | 卓水(北京)科技有限公司 | Discharge processor and its discharge treatment unit |
| CN112642225A (en) * | 2019-10-12 | 2021-04-13 | 苏州淳雨净化科技有限公司 | File cabinet sterilization equipment |
| CN112057658A (en) * | 2020-08-08 | 2020-12-11 | 浙江创力电子股份有限公司 | Separated shared ozone disinfection pile and using method thereof |
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Application publication date: 20130313 |