CN103994499A - Plasma synergy bismuth molybdate thin film catalyzing air purification device - Google Patents
Plasma synergy bismuth molybdate thin film catalyzing air purification device Download PDFInfo
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- CN103994499A CN103994499A CN201410189413.9A CN201410189413A CN103994499A CN 103994499 A CN103994499 A CN 103994499A CN 201410189413 A CN201410189413 A CN 201410189413A CN 103994499 A CN103994499 A CN 103994499A
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- China
- Prior art keywords
- electrode groove
- positive electrode
- negative electrode
- bismuth molybdate
- framework
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- DKUYEPUUXLQPPX-UHFFFAOYSA-N dibismuth;molybdenum;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Mo].[Mo].[Bi+3].[Bi+3] DKUYEPUUXLQPPX-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000004887 air purification Methods 0.000 title abstract 3
- 239000010409 thin film Substances 0.000 title abstract 3
- 239000003054 catalyst Substances 0.000 claims abstract description 20
- 239000011521 glass Substances 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims description 11
- 238000009738 saturating Methods 0.000 claims description 11
- 230000003197 catalytic effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 3
- 238000011109 contamination Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 18
- 239000000463 material Substances 0.000 description 8
- 230000001954 sterilising effect Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000001699 photocatalysis Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 230000009931 harmful effect Effects 0.000 description 3
- 238000007146 photocatalysis Methods 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
The invention relates to a plasma synergy bismuth molybdate thin film catalyzing air purification device which comprises a frame, glass transmitting plates, a positive electrode groove and a negative electrode groove. The positive electrode groove and the negative electrode groove are formed in the frame and respectively formed by a plurality of serialization U-type discharging stabbing plates in series, the U-type discharging stabbing plates of the positive electrode groove and the U-type discharging stabbing plates of the negative electrode groove are arranged in the frame in an opposite and intersected mode and sealed through the upper glass transmitting plate and the lower glass transmitting plate to form an airflow channel, an air inlet and an air outlet of the airflow channel are respectively formed in the frame, a bismuth molybdate catalyst coating is arranged on the inner side of the positive electrode groove, the two ends of the positive electrode groove are connected with positive electrodes of a high-voltage pulse variable-frequency power source, and the two ends of the negative electrode groove are connected with negative electrodes of the high-voltage pulse variable-frequency power source. When working, the whole plasma synergy bismuth molybdate thin film catalyzing air purification device has the advantages of being stable and reliable in performance, simple in structure, high in practicality, high in processing efficiency, high in energy using ratio, large in processing amount and the like, and can be widely applied to various gas contamination purification fields.
Description
Technical field
The present invention relates to method and device that a kind of air pollution purifies, specially refer to a kind of plasma body cooperative bismuth molybdate film catalytic air purifier.
Background technology
Along with expanding economy, the continuous acceleration of industrialization, urbanization process, poisonous and harmful substance is more and more drained in atmosphere by illegal, as volatile organic matter, halogenated organic matters and trace organic substance etc., therefore ecological balance and the mankind's health have been arrived in these material serious threats, propose a kind of method that cost-effective method processes contaminated gas and seem more urgent.
The air purifier of selling in the market mainly contains two classes.One class is physical filtering and absorbent-type air purifier, it mainly filter with absorbed air in floating dust, there is no the function of sterilizing and resolving harmful gas.Another kind of is high-level oxidation technology type air purifier, and it can sterilization and decomposing organic matter, but mostly still has some defects and deficiency, as low in treatment effeciency, reaction time is long, cost of investment is high and capacity usage ratio is low etc.Therefore need to make up and improve the efficiency purifying air by improvement.
Three ten years in the past, utilize in the technology of plasma body cooperative catalyst treatment pollutant, titanium dioxide having obtained general concern aspect environmental improvement and energy development, about the research and development of catalysis material, becomes at present the focus of research both at home and abroad as catalyst.But the most efficiency of photocatalysis of one's own views reports is low, and greater band gap, can only urge chemism at ultra-violet (UV) band display light, at solar spectrum medium ultraviolet light (below 400nm), less than 5%, and the visible ray that wavelength is 400～750nm accounts for 43%.Therefore, in order to effectively utilize sunshine, it is very meaningful that research has the catalysis material of high efficiency photocatalysis activity under visible ray, and seeking cheapness, environmental friendliness and have high performance visible light catalytic material will be that practical inexorable trend is further moved towards in photocatalysis development.Bismuth molybdate (Bi
2moO
6) there is many physics and chemistry character such as ionic conduction, dielectric properties, gas sensing and catalytic activity, research shows, bismuth molybdate not only can respond UV-irradiation, and also have stronger absorption and photocatalytic activity at visible region, be the bismuth-system compound oxide catalysis material of the novel photoresponse of a class.
Low temperature plasma is as a kind of effective molecule activation technological means, more and more closer with the cross discipline research of catalyst.Plasma is by the molecular complex system of multiple grain, catalyst great majority are for having adsorbed the porous media of metal active constituent, when catalyst contacts with plasma, the physical and chemical performance of catalyst etc. changes, thereby improves activity and the stability of catalyst.Meanwhile, the particle types of catalyst and concentration change and also can promote plasma chemical reaction.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, and a kind of plasma body cooperative bismuth molybdate film catalytic air purifier is provided, and realizes method quick, easy, high-efficient purification air.Experiment showed, its harmful substance sterilization in can rapidly and efficiently purifying air.
Object of the present invention is achieved through the following technical solutions:
A kind of plasma body cooperative bismuth molybdate film catalytic air purifier, this device comprises: framework, the saturating plate of glass and be arranged on positive electrode groove and the negative electrode groove in framework, to publish in instalments U-shaped electric discharge thorn plate in series by a plurality of respectively for described positive electrode groove and negative electrode groove, the U-shaped electric discharge thorn plate of the U-shaped electric discharge thorn plate of described positive electrode groove and negative electrode groove is arranged in a crossed manner in opposite directions in framework and by forming gas channel after the saturating plate sealing of upper and lower two glass, the air inlet of described gas channel and gas outlet are separately positioned in framework, the inner side of described positive electrode groove is provided with bismuth molybdate catalysts coating, described positive electrode groove is connected with negative pole with the positive pole of high-voltage pulse variable-frequency power sources respectively with negative electrode groove two ends.
The thickness of described bismuth molybdate catalysts coating is 1～10mm.Described bismuth molybdate catalysts coating makes by Rong Jiao – gel method: the positive electrode groove of take carries out several and at the uniform velocity upwards lifts as carrier is placed in colloidal sol, then is baked and banked up with earth and made by high temperature.
Spacing between the U-shaped electric discharge thorn plate of described positive electrode groove and negative electrode groove can regulate as required.
Described framework, the saturating plate of glass, positive electrode groove and negative electrode groove be detachable, mobile and replacing all.
The material of described framework is insulator.
Beneficial effect of the present invention:
Device of the present invention be a kind ofly have that treatment effect is good, operating cost is low, device that non-secondary pollution, plasma body cooperative catalyst stable and that be easy to promote purify air, can solve that the treatment effeciency existing in current treatment technology is low, energy consumption is high and adapt to the deficiencies such as limitation, can be widely used in different air-polluting purified treatment field.
Accompanying drawing explanation
Fig. 1 is the structural representation of apparatus of the present invention.
Fig. 2 is the sectional view of A – A direction in Fig. 1.
Wherein, 1-framework, the saturating plate of 2-glass, 3-gas channel, 4-bismuth molybdate catalysts coating, 5-negative electrode groove, 6-positive electrode groove, 7-air inlet, 8-gas outlet.
The specific embodiment
As shown in Figure 1, a kind of plasma body cooperative bismuth molybdate film catalytic air purifier, this device comprises: framework 1, the saturating plate 2 of glass and be arranged on positive electrode groove 6 and the negative electrode groove 5 in framework 1, to publish in instalments U-shaped electric discharge thorn plate in series by a plurality of respectively for described positive electrode groove 6 and negative electrode groove 5, the U-shaped electric discharge thorn plate of the U-shaped electric discharge thorn plate of described positive electrode groove 6 and negative electrode groove 5 is arranged in a crossed manner in opposite directions in framework 1 and by forming gas channel 3 after saturating plate 2 sealings of upper and lower two glass, the air inlet 7 of described gas channel 3 and gas outlet 8 are separately positioned in framework 1, the inner side of described positive electrode groove 6 is provided with bismuth molybdate catalysts coating 4, described positive electrode groove 6 is connected with negative pole with the positive pole of high-voltage pulse variable-frequency power sources respectively with negative electrode groove 5 two ends.
The thickness of described bismuth molybdate catalysts coating 4 is 1～10mm.Described bismuth molybdate catalysts coating 4 makes by Rong Jiao – gel method: the positive electrode groove 6 of take carries out several and at the uniform velocity upwards lifts as carrier is placed in colloidal sol, then is baked and banked up with earth and made by high temperature.
Described positive electrode groove 6 and negative electrode groove 5 are arranged in framework 1, form plasma electric field, and the spacing between the U-shaped electric discharge thorn plate of described positive electrode groove 6 and negative electrode groove 5 can regulate as required by the saturating plate perspective of glass situation.
The saturating plate 2 of described framework 1, glass, positive electrode groove 6 and negative electrode groove 5 be detachable, mobile and replacing all.
The material of described framework 1 is insulator.
The embodiment of plasma body cooperative bismuth molybdate film catalytic air purifier of the present invention is as follows: dusty gas imports in the gas channel 3 of reactor by air inlet 7, under the alive effect outside of positive electrode groove 6 and negative electrode groove 5, form plasma electric field, the different kinds of molecules such as airborne oxygen G&W are stimulated and can produce a large amount of OH, e
eq -, O, HO
2, O
3isoreactivity material and strong shock wave, stronger ultraviolet light and visible ray etc., there is strong oxidation reaction with the contaminant molecule mixing in these active materials, thereby can be degraded into CO
2, H
2o or other organic substance, the active material of generation can carry out sterilizing and sterilization to air simultaneously, and the air after purification is discharged by gas outlet 8.Meanwhile, positive and negative electrode groove applies after voltage, can make bismuth molybdate pole plate produce corona discharge, form nano-catalytic, collection absorption, degraded, electronics, physics, chemistry etc. are reacted into one, pernicious gas by plasma electric field is effectively degraded and is converted into innocuous gas, thereby purify air to greatest extent.The multi-stage U-shaped structure of the slot electrode in the present invention can make to pass into gas and carry out effectively flowing and sufficient hybrid reaction, the Portable assembled structure the present invention relates to can effectively be adjusted factors such as electrode spacing, input voltage and gas input quantities at any time according to reactiveness and process, make whole experiment in good, controlled state, closely reach effective removal object.
That this processing method and device have is simple to operate, easy for installation, low energy, windage is little, removal efficiency is high, the advantage such as applied widely, especially can effectively decompose pollutant complicated, difficult degradation, there is considerable potential application foreground, be expected to promoted widely and use in treatment process is polluted in air pollution from now on.
Claims (5)
1. a plasma body cooperative bismuth molybdate film catalytic air purifier, it is characterized in that this device comprises: framework (1), the saturating plate of glass (2) and be arranged on positive electrode groove (6) and the negative electrode groove (5) in framework (1), to publish in instalments U-shaped electric discharge thorn plate in series by a plurality of respectively for described positive electrode groove (6) and negative electrode groove (5), the U-shaped electric discharge thorn plate of the U-shaped electric discharge thorn plate of described positive electrode groove (6) and negative electrode groove (5) is arranged in a crossed manner in opposite directions in framework (1) and by forming gas channel (3) after upper and lower two saturating plates of glass (2) sealing, the air inlet (7) of described gas channel (3) and gas outlet (8) are separately positioned in framework (1), the inner side of described positive electrode groove (6) is provided with bismuth molybdate catalysts coating (4), described positive electrode groove (6) is connected with negative pole with the positive pole of high-voltage pulse variable-frequency power sources respectively with negative electrode groove (5) two ends.
2. device according to claim 1, the thickness that it is characterized in that described bismuth molybdate catalysts coating (4) is 1～10mm.
3. device according to claim 1 and 2, it is characterized in that described bismuth molybdate catalysts coating (4) makes by Rong Jiao – gel method: the positive electrode groove (6) of take carries out several and at the uniform velocity upwards lifts as carrier is placed in colloidal sol, then is baked and banked up with earth and made by high temperature.
4. according to claim 1 and device claimed in claim 4, it is characterized in that the spacing between the U-shaped electric discharge thorn plate of described positive electrode groove (6) and negative electrode groove (5) can regulate as required.
5. device according to claim 1, is characterized in that all detachable, the mobile and replacings of described framework (1), the saturating plate of glass (2), positive electrode groove (6) and negative electrode groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410189413.9A CN103994499B (en) | 2014-05-06 | 2014-05-06 | A kind of plasma body cooperative bismuth molybdate film catalyst air cleaning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410189413.9A CN103994499B (en) | 2014-05-06 | 2014-05-06 | A kind of plasma body cooperative bismuth molybdate film catalyst air cleaning unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103994499A true CN103994499A (en) | 2014-08-20 |
| CN103994499B CN103994499B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410189413.9A Expired - Fee Related CN103994499B (en) | 2014-05-06 | 2014-05-06 | A kind of plasma body cooperative bismuth molybdate film catalyst air cleaning unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359149A (en) * | 2014-09-19 | 2015-02-18 | 苏州博菡环保科技有限公司 | Wall-mounted air conditioner with plasma purifier |
| CN105380068A (en) * | 2015-10-22 | 2016-03-09 | 珠海市横琴新区金康友科技股份有限公司 | Detoxification machine, detoxification method and electrode installation method of detoxification machine |
| CN105689142A (en) * | 2016-02-05 | 2016-06-22 | 中国石油大学(北京) | Wet electric dust remover, anode thereof and system |
| CN107377220A (en) * | 2017-07-31 | 2017-11-24 | 华中科技大学 | One kind removes haze device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003343887A (en) * | 2002-05-28 | 2003-12-03 | Sharp Corp | Portable air purifying device |
| CN101269230A (en) * | 2008-05-08 | 2008-09-24 | 姚华英 | Target-striking off low-temperature plasma air purification method and device thereof |
| CN101385866A (en) * | 2008-10-09 | 2009-03-18 | 浙江佩洁尔医疗科技有限公司 | Central air-conditioning type plasma air sterilization purifier |
| CN101648761A (en) * | 2009-09-11 | 2010-02-17 | 陈明功 | Device for purifying and emulsifying oily wastewater by low temperature plasma synergetic flocculating agent |
| CN102218153A (en) * | 2010-04-13 | 2011-10-19 | 杭州盛大高科技机电有限公司 | Plasma and static dedusting compounded air purification disinfector |
-
2014
- 2014-05-06 CN CN201410189413.9A patent/CN103994499B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003343887A (en) * | 2002-05-28 | 2003-12-03 | Sharp Corp | Portable air purifying device |
| CN101269230A (en) * | 2008-05-08 | 2008-09-24 | 姚华英 | Target-striking off low-temperature plasma air purification method and device thereof |
| CN101385866A (en) * | 2008-10-09 | 2009-03-18 | 浙江佩洁尔医疗科技有限公司 | Central air-conditioning type plasma air sterilization purifier |
| CN101648761A (en) * | 2009-09-11 | 2010-02-17 | 陈明功 | Device for purifying and emulsifying oily wastewater by low temperature plasma synergetic flocculating agent |
| CN102218153A (en) * | 2010-04-13 | 2011-10-19 | 杭州盛大高科技机电有限公司 | Plasma and static dedusting compounded air purification disinfector |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359149A (en) * | 2014-09-19 | 2015-02-18 | 苏州博菡环保科技有限公司 | Wall-mounted air conditioner with plasma purifier |
| CN105380068A (en) * | 2015-10-22 | 2016-03-09 | 珠海市横琴新区金康友科技股份有限公司 | Detoxification machine, detoxification method and electrode installation method of detoxification machine |
| CN105689142A (en) * | 2016-02-05 | 2016-06-22 | 中国石油大学(北京) | Wet electric dust remover, anode thereof and system |
| CN105689142B (en) * | 2016-02-05 | 2017-11-10 | 中国石油大学(北京) | A kind of wet electrical dust precipitator and its anode and system |
| CN107377220A (en) * | 2017-07-31 | 2017-11-24 | 华中科技大学 | One kind removes haze device |
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| Publication number | Publication date |
|---|---|
| CN103994499B (en) | 2016-08-24 |
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Granted publication date: 20160824 |