CN103551014A - Pinboard electrode low-temperature plasma purifier - Google Patents
Pinboard electrode low-temperature plasma purifier Download PDFInfo
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- CN103551014A CN103551014A CN201310583596.8A CN201310583596A CN103551014A CN 103551014 A CN103551014 A CN 103551014A CN 201310583596 A CN201310583596 A CN 201310583596A CN 103551014 A CN103551014 A CN 103551014A
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Abstract
The invention discloses a pinboard electrode low-temperature plasma purifier comprising a housing and a pinboard electrode box, wherein the pinboard electrode box comprises a box body and a pinboard electrode core arranged in the box body; the pinboard electrode core is a grid-shaped electrode core composed of a plurality of floorboards, pinboards, locating sleeves and locating rods; the pinboards are provided with double-end molybdenum pin electrodes uniformly distributed according to a geometric array. The pinboard electrode low-temperature plasma purifier has the advantages of precise electrode location, high discharging efficiency, high temperature resistance, electrolytic corrosion resistance and long service life; the standardized production and modularized assembly of the whole purifier can be realized, and the whole purifier is broad in spectrum and high in efficiency and degree of automation and can be used for the environment-friendly engineering for purifying thousands to several tens of thousands of organic waste gases.
Description
Technical field
The present invention relates to industrial organic exhaust gas controlling device, specially refer to nail-plate electrode plasma purification device.
Background technology
Plasma is mutually different from the known solid, liquid, gas of people, belongs to the 4th kind of form of material.
Last century the eighties, both at home and abroad the electric physical and chemical performance of plasma has carried out research more widely.In this complicated physical form of plasma, just, negative electrical charge sum is equating, therefore be referred to as " plasma ".Can be up to degree up to ten thousand although be created in the temperature of electronics in plasma by gas discharge, and the temperature of ion and neutral ion can be low to moderate room temperature, therefore be referred to as again " low temperature plasma ".Ion in this " low temperature plasma " and free radical etc. have extremely strong activity.These characteristics are applied to many organic molecules in electric physical chemistry gas-phase reaction and are activated and part dissociation, generate various fragment free radicals, and with a series of redox reactions of free-radical generating of the oxygen being simultaneously activated, and immediately generate the more stable material of water and carbon dioxide and so on, thus seek more efficiently new method for the purification of organic exhaust gas---plasma purification method.
This plasma purification method has wide spectrum, efficient characteristic, has become in VOCs treatment engineering very one of effective method.This method success or not, its core technology is structure, structure and the selected factors such as material of electrode, and derives therefrom numerous plasma purification method and apparatus.Chinese patent CN102824827A discloses a kind of low temperature plasma organic waste gases purifying device, its key is: on anode carrier, be provided with a plurality of discharge tip, on minus plate, be provided with a plurality of electric discharge cylinders corresponding with discharge tip, discharge tip is arranged in electric discharge cylinder.Discharge tip on anode carrier connects electric high-voltage, and the electric discharge cylinder on minus plate connects electric low pressure.This device discharge tip in manufacturing process is welded on anode carrier, can there is not the phenomenon of perpendicularity deviation unavoidably, axis between the most advanced and sophisticated electric discharge cylinder with on minus plate of guiding discharge does not overlap mutually, be that between discharge tip and the barrel of electric discharge cylinder, discharging distance location is inaccurate, thereby cause electric discharge uneven, purification efficiency declines.Secondly, tend to carry secretly the dope of middle and high molecular weight in organic exhaust gas, these entrainments stick on purifier, not only make purification efficiency decline, and are difficult to clean.In addition, the unsuitable excessive and limited amount of diameter of electric discharge cylinder, only can process the organic exhaust gas of some; Be difficult to the defect that modularization is produced, make applying of such device be subject to larger restriction.
Summary of the invention
The technical problem to be solved in the present invention is to overcome deficiency of the prior art, and nail-plate electrode plasma purification device is provided.Guarantee discharging gap accurately, improve purification efficiency and electrode life; Execution standardization, modularization are produced, and adapt to the demand of different waste gas purification engineerings.
The present invention is achieved by the following technical measures.A kind of nail-plate electrode plasma purification device, comprise casing and nail-plate electrode case, described nail-plate electrode case comprises casing and is arranged on the nail-plate electrode cores in casing, described nail-plate electrode cores is by a plurality of floors, nail-plate and locating sleeve, according to floor,------the backstay order alternative arrangement on nail-plate---locating sleeve---floor, that also use the locating sleeve center of running through described is concatenated into and is parallel to each other locating sleeve, the grid shape electrode cores that spacing is equal; Plug-in mounting double end molybdenum nail in hole is set by the uniform hole of geometric array on described nail-plate; The upper following connection insulation edge strip of described nail-plate, both sides arrange stiffened edge in addition; Four limits on described floor all arrange stiffened edge; Described nail-plate is connected with electric high-frequency and high-voltage incoming end with conducting rod by high-tension cable; Described floor is connected with Earth Phase by casing.
Described double end molybdenum nail is made with metal molybdenum materials, nails on bar vertical with the head of a nail at double end molybdenum, and two tips are to be less than the cone of 180 °, or hemisphere.
The most advanced and sophisticated surperficial distance apart from adjacent floor of described double end molybdenum nail equates, is 5～50mm.
Distance on described same nail-plate between adjacent double end molybdenum nail equates, is 5～50mm.
The diameter of described double end molybdenum nail is 0.3～5mm, and length is 10～80mm.
Described floor, nail-plate and edge strip are made with stainless steel material; Described backstay, insulation edge strip are made with Teflom Insulation Material; Described locating sleeve is made with glass tube or polytetrafluoroethylene (PTFE) class tubing.
The outer surface of described nail-plate, except the most advanced and sophisticated position of double end molybdenum nail, equal coated polytetrafluoroethylene (PTFE) type coating.
In described casing, a nail-plate electrode case is at least installed.
The present invention adopts after abovementioned technology, and the plate gate-shaped electrode in nail-plate electrode cores has electrode registration, and discharging distance equates, equalization discharge, and discharging efficiency is high; Double end molybdenum nail has high temperature resistant, resistance to galvanic corrosion, and the life-span is long, and cost is low; Nail-plate electrode case can execution standardization be produced, modularization assembling; The nail-plate electrode plasma purification utensil consisting of nail-plate electrode case has wide spectrum, efficient, strong adaptability, and the advantages such as easy maintenance, can be for purifying thousands of environment-friendly engineerings to tens thousand of cubic metres of organic exhaust gas.
Accompanying drawing explanation
The structural representation that accompanying drawing 1 is the embodiment of the present invention.
Accompanying drawing 2 is the nail-plate electrode box structure schematic diagram in embodiment.
Accompanying drawing 3 is floor and the nail-plate annexation schematic diagram in embodiment.
In figure: 1 casing, 2 nail-plate electrode casees, 3 nail-plate electrode cores, 4 high-frequency and high-voltage electric boxs, 5,6 cabinets, 7 high-tension cables, 8 insulators, 9 high-frequency and high-voltage incoming ends, 10 conducting rods, 11 floors, 12 nail-plates, 13 double end molybdenum nails, 14 backstays, 15 locating sleeves, 16 sealing strips, 17 holes, 18 stiffened edges, 19 insulation edge strips, 20 ground connection, the gas feed of 21 plasma purification devices, 22 nail bars, 23 heads of a nail.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment is as Fig. 1, shown in Fig. 2 and Fig. 3, a kind of nail-plate electrode plasma purification device, comprise casing 1 and nail-plate electrode case 2, described nail-plate electrode case 2 comprises casing 6 and is arranged on the nail-plate electrode cores 3 in casing 6, described nail-plate electrode cores 3 is by a plurality of floors 11, nail-plate 12 and locating sleeve 15, according to floor 11,---locating sleeve 15 be---the order alternative arrangement on nail-plate 12---locating sleeve 15---floor 11, and be concatenated into and be parallel to each other with the backstay 14 that runs through described locating sleeve 15 centers, the grid shape electrode cores that spacing is equal, this kind of grid shape electrode cores structure can guarantee that electrode spacing is accurate, discharging efficiency is high.On described nail-plate 12, arrange by plug-in mounting double end molybdenum nail 13 in the uniform 17， hole, hole 17 of geometric array.On floor, 11 four limits arrange stiffened edge 18; Both sides, front and back at nail-plate 12 also arrange stiffened edge 18, and described floor and nail-plate and edge strip are made with stainless steel material, and connect on the both sides up and down of nail-plate 12 the insulation edge strip 19 made from Teflom Insulation Material.14 of backstays are made with Teflom Insulation Material; Locating sleeve 15 use glass tubings are made.The outer surface of described nail-plate 12, except the most advanced and sophisticated position of double end molybdenum nail 13, equal coated polytetrafluoroethylene (PTFE) type coating.
On the frame of the airflow outlet end both sides of casing 6, by insulator 8, connect conducting rod 10 and high-frequency and high-voltage incoming ends 9; Sealing strip 16 sealings for gap location between casing 6 and nail-plate electrode cores 3, guarantee that air-flow can only pass through in nail-plate electrode cores 3.
Described double end molybdenum nail 13 use metal molybdenum materials are made, and follow closely bar 22 vertical with the head of a nail 23 on double end molybdenum nail 13, and two tips are to be less than the cone of 180 °, or hemisphere; The fusing point of molybdenum is up to 2600 ° of C, and this double end molybdenum nail 13 has high temperature resistant, and resistance to Characteristics of Spark Erosion, can improve electrode durability, extends electrode life.The diameter of double end molybdenum nail (13) is 3mm, and length is 40mm.The tip of double end molybdenum nail 13 is 20mm apart from the surface distance on adjacent floor 11.Distance between adjacent double end molybdenum nail 13 on same nail-plate 12 is 30mm.Facts have proved, if the distance between adjacent needle point is less, the electric field of the side of pin is understood mutual partial offset, and electric-field intensity obviously weakens, and has restricted on the contrary the formation of side direction electron avalanche, and discharge power and purification efficiency are reduced; Too small spacing also can make gas-flow resistance increase, and dirt is stagnant long-pending; On the contrary, excessive apart from also making discharge power and purification efficiency reduce.
At the outer surface of described nail-plate 12, except the most advanced and sophisticated position of double end molybdenum nail 13, equal coated polytetrafluoroethylene (PTFE) type coating, both can prevent that dirt was stagnant long-pending, extend maintenance cycle, the electric field that more can reduce between adjacent electrode disturbs, very favourable to improving discharge power and purification efficiency.
As depicted in figs. 1 and 2, to the production of nail-plate electrode plasma purification device execution standardization, modularization assembling, both can reduce costs by Optimization Technology, again can be for different waste gas tolerance and other operating modes, at nail-plate electrode case of the interior installation of casing 1, or several nail-plate electrode box-shapeds are installed become assembly, for purifying thousands of environment-friendly engineerings to tens thousand of cubic metres of organic exhaust gas, use.On the door 5 of casing 1, high-frequency and high-voltage electric box 4 is installed, opening and closing door 5 is convenient to installation or the maintenance of nail-plate electrode case 2.In the rear and front end of nail-plate electrode plasma purification device, be respectively equipped with gas feed 21 and outlet.
When the high-frequency and high-voltage electric box 4 on door 5 is connected on extraneous power supply, nail-plate electrode plasma purification device can put into operation.High-frequency high-voltage current is by high-frequency and high-voltage incoming end 9, and conducting rod 10 and high-tension cable 7 enter nail-plate 12; Floor 11 is connected with the ground connection 20 on casing 6.So, at the tip of double end molybdenum nail 13 and the gap between the surface on floor 11, form powerful electric field, generation is very complicated by cation, anion, electronics and neutral ion etc., active extremely strong low temperature plasma, the gas phase organic matter that makes to flow through in the waste gas of nail-plate electrode plasma purification device is punctured by strong electric field, organic molecule is activated, and decomposes; And with a series of redox reaction of free-radical generating of the oxygen being simultaneously activated, immediately generate the more stable material of water and carbon dioxide and so on, waste gas is cleaned, and discharges from the port of export of clarifier.
Adopt embodiment provided by the present invention, the plate gate-shaped electrode in nail-plate electrode cores has electrode registration, and discharging distance equates, equalization discharge, and discharging efficiency is high; Double end molybdenum nail has high temperature resistant, resistance to galvanic corrosion, and the life-span is long, and cost is low; Nail-plate electrode case can execution standardization be produced, modularization assembling; Complete machine has broad-spectrum high efficacy, strong adaptability, and the advantage such as automaticity is high, easy maintenance, can be for purifying thousands of environment-friendly engineerings to tens thousand of cubic metres of organic exhaust gas.
Above-described is only the preferred embodiment of the present invention.It should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, can also make some modification and improvement, these also should be considered as belonging to protection scope of the present invention.。
Claims (8)
1. a nail-plate electrode plasma purification device, comprise casing (1) and nail-plate electrode case (2), it is characterized in that: described nail-plate electrode case (2) comprises casing (6) and is arranged on the nail-plate electrode cores (3) in casing (6), described nail-plate electrode cores (3) is by a plurality of floors (11), nail-plate (12) and locating sleeve (15), according to floor (11),---locating sleeve (15) be---the order alternative arrangement of nail-plate (12)---locating sleeve (15)---floor (11), and be concatenated into and be parallel to each other with the backstay (14) that runs through described locating sleeve (15) center, the grid shape electrode cores that spacing is equal, upper setting of described nail-plate (12), press the uniform hole (17) of geometric array, plug-in mounting double end molybdenum nail (13) in hole (17), the upper following connection insulation edge strip (19) of described nail-plate (12), both sides arrange stiffened edge (18) in addition, four limits on described floor (11) all arrange stiffened edge (18), described nail-plate (12) is connected with electric high-frequency and high-voltage incoming end (9) with conducting rod (10) by high-tension cable (7), described floor (11) is connected with ground connection (20) by casing (6).
2. a kind of nail-plate electrode plasma purification device according to claim 1, it is characterized in that: described double end molybdenum nail (13) is made with metal molybdenum materials, on double end molybdenum nail 13, follow closely bar (22) vertical with the head of a nail (23), two tips are to be less than the cone of 180 °, or hemisphere.
3. a kind of nail-plate electrode plasma purification device according to claim 1, is characterized in that: the tip of described double end molybdenum nail (13) equates apart from the surperficial distance of adjacent floor (11), is 5～50mm.
4. a kind of nail-plate electrode plasma purification device according to claim 1, is characterized in that: the distance between the described upper adjacent double end molybdenum nail of same nail-plate (12) (13) equates, is 5～50mm.
5. a kind of nail-plate electrode plasma purification device according to claim 1, is characterized in that: the diameter of described double end molybdenum nail (13) is 0.3～5mm, and length is 10～80mm.
6. a kind of nail-plate electrode plasma purification device according to claim 1, is characterized in that: described floor (11), nail-plate (12) and edge strip (18) are made with stainless steel material; Described backstay (14), insulation edge strip (19) are made with Teflom Insulation Material; Described locating sleeve (15) is made with glass tube or polytetrafluoroethylene (PTFE) class tubing.
7. a kind of nail-plate electrode plasma purification device according to claim 1, is characterized in that: the outer surface of described nail-plate (12), except the most advanced and sophisticated position of double end molybdenum nail (13), all coated gathers tetrem alkene type coating.
8. a kind of nail-plate electrode plasma purification device according to claim 1, is characterized in that: in described casing (1), a nail-plate electrode case is at least installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310583596.8A CN103551014A (en) | 2013-11-20 | 2013-11-20 | Pinboard electrode low-temperature plasma purifier |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310583596.8A CN103551014A (en) | 2013-11-20 | 2013-11-20 | Pinboard electrode low-temperature plasma purifier |
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Cited By (4)
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| CN103845995A (en) * | 2014-03-24 | 2014-06-11 | 德清天皓环保科技有限公司 | Organic waste gas plasma purifier |
| CN105208761A (en) * | 2015-09-11 | 2015-12-30 | 大连民族大学 | Uniform barometric pressure micro-plasma discharge device with flow equalizing system |
| CN105797547A (en) * | 2016-04-05 | 2016-07-27 | 张增增 | Low-temperature plasma purifier provided with screen plate electrodes |
| CN107008117A (en) * | 2017-06-09 | 2017-08-04 | 重庆市耕爵环保科技有限公司 | The waterfall type electric field of gas purifying equipment |
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| US20020174938A1 (en) * | 2001-04-25 | 2002-11-28 | Bob Xiaobin Li | Laminated co-fired sandwiched element for non-thermal plasma reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103845995A (en) * | 2014-03-24 | 2014-06-11 | 德清天皓环保科技有限公司 | Organic waste gas plasma purifier |
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| CN105208761B (en) * | 2015-09-11 | 2018-04-10 | 大连民族大学 | A kind of homogeneous atmosphere for carrying current-equalizing system presses micro- plasma discharge apparatus |
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| CN107008117A (en) * | 2017-06-09 | 2017-08-04 | 重庆市耕爵环保科技有限公司 | The waterfall type electric field of gas purifying equipment |
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Application publication date: 20140205 |