CN103817004A - High gas speed and high efficiency wet-type electrofiltration device for deep treatment of PM2.5 - Google Patents
High gas speed and high efficiency wet-type electrofiltration device for deep treatment of PM2.5 Download PDFInfo
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- CN103817004A CN103817004A CN201410073232.XA CN201410073232A CN103817004A CN 103817004 A CN103817004 A CN 103817004A CN 201410073232 A CN201410073232 A CN 201410073232A CN 103817004 A CN103817004 A CN 103817004A
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Abstract
The invention relates to a high gas speed and high efficiency wet-type electrofiltration device for deep treatment of PM2.5, which mainly comprises a main shell and an electrode separation device arranged in the main shell, wherein a lower air chamber is arranged at the lower part of the main shell and an upper air chamber is arranged at the upper part of the main shell; an exhaust inlet and a pollution discharge port are formed in the lower air chamber; a gas distribution device is arranged at the connecting part of the lower air chamber and the main shell; an exhaust port is arranged at the top of the upper air chamber; the electrode separation device comprises a cathode device, an anode device and a power supply device; the anode device is honeycomb-shaped conductive composites tube bundle; the cathode device comprises a cathode connecting board positioned in the upper gas chamber and a plurality of cathode wires hung on the cathode connecting board; cathode wires penetrate the honeycomb-shaped conductive composites tube bundle in one-to-one correspondence; a heavy hammer is connected with the lower end of each wire. The high gas speed and high efficiency wet-type electrofiltration device has good collection effects to tiny/viscous/high resistance ratio PM2.5 particulates, aerosol, tiny metal particles, dioxin and the like.
Description
Technical field
The present invention relates to electric dust-removing equipment technical field, the high high cycle speed effect of especially a kind of PM2.5 deep treatment wet type electrofiltration equipment.
Background technology
" China is that world PM2.5 pollutes one of the most serious area at present ", the PM2.5 index in the most serious London of air pollution is about 10 to 20 microgram/cubic meters in history, and Beijing has reached 90 micrograms/cubic meter left and right in peak period, the cities such as Guangzhou have also reached 50 micrograms/cubic meter left and right.PM2.5 fine grained, is the portable object of virus, bacterium, harmful substance, and human physiological structure has determined PM2.5 without any filtration, obstruction ability.After the industry desulphurization denitrations such as oil, chemical industry, electric power, metallurgy, cement, weaving, biology, medicine, in wet flue gas, contain the fine grained pollutants (PM2.5) such as a large amount of fine solid particles, aerosol, acid mist, heavy metal, for control haze, need a kind of green technology equipment of good dedusting effect.
The cleaner of domestic current seizure Combustion Source particle mainly contains: mechanical dust collector, sack cleaner, electric cleaner, electric-bag complex dust collector etc.But the minimum grain size that these equipment can only be removed is the pollutant of 40-50 μ m, particle diameter is less than the drop of 40 μ m and fine dust, particulate etc. and cannot removes.Namely the fine particle of PM2.5 is not had to effect or poor effect.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the technical problem that is difficult to remove fine grained pollutant in prior art, the high high cycle speed effect of a kind of PM2.5 deep treatment wet type electrofiltration equipment is provided, effectively, efficiently remove fine grained pollutant.
The technical solution adopted for the present invention to solve the technical problems is: the high high cycle speed effect of a kind of PM2.5 deep treatment wet type electrofiltration equipment, comprise main casing and be arranged at the electrode separation device in main casing, the bottom of described main casing is provided with lower chamber, top is provided with upper chamber, on described lower chamber, offer exhaust gas inlet and sewage draining exit, the junction of lower chamber and main casing is provided with distribution device in gas-fluid, and the top of described upper chamber has exhaust outlet; Described electrode separation device comprises cathode assembly, anode assembly and electric supply installation; Described anode assembly is the tube bank of honeycomb fashion conducing composite material; Described cathode assembly comprises and is positioned at the negative electrode connecting plate of upper chamber and hangs on the some cathode wires on negative electrode connecting plate, described cathode wire one by one correspondence is arranged in the tube bank of honeycomb fashion conducing composite material, and the lower end of each cathode wire connects a weight; Described electric supply installation comprises the insulated case that is positioned at upper chamber top, is provided with electric energy introducing device in described insulated case, and described electric energy introducing device is connected by wire with negative electrode connecting plate.
Further, in described upper chamber, be also provided with the sprayer unit for improving electric conductivity in main casing.Be conducive to increase the moisture in smoke gas flow and strengthen electric conductivity, accelerating the migration velocity of corona zone dust granules anode.
Further, for making gas more uniformly through electrode separation device, described distribution device in gas-fluid comprises gas guide board and gas distribution grid, and described gas distribution grid is positioned at the top of gas guide board.
Further, for preventing that weight from rocking, between described weight, be provided with fixture.Avoid cathode wire to occur rocking the reduction that causes efficiency of dust collection because of the flushing of high gas speed air-flow.
Further, described insulated case is provided with the positive-pressure protecting device that blasts hot blast to insulated case inside.Stop hot flue gas and fine solid particle, droplet to enter, guarantee that casing insulating properties is more reliable, effectively avoid the generation of " pollution flashover " phenomenon.
The invention has the beneficial effects as follows, the high high cycle speed effect of PM2.5 deep treatment of the present invention wet type electrofiltration equipment, has ideal trapping effect to fine/viscosity/high resistance than PM2.5 dust, aerosol, tiny metallic particles and dioxin etc.; There is the advantages such as high temperature resistant, electric conductivity is strong, demist efficiency is high, fire resistance good, processing and manufacturing installation period is short, compact conformation, stable performance, long service life.
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Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 be the high high cycle speed of PM2.5 deep treatment of the present invention effect wet type electrofiltration equipment preferred embodiment partly cut open figure;
Fig. 2 is the structure chart of the tube bank of honeycomb fashion conducing composite material and cathode wire.
In figure: 1. main casing, 2. lower chamber, 21. exhaust gas inlet, 22. sewage draining exits, 3. upper chamber, 31. exhaust outlets, 4. distribution device in gas-fluid, 41. gas guide boards, 42. gas distribution grids, 5. electrode separation device, 51. honeycomb fashion conducing composite material tube banks, 52. negative electrode connecting plates, 53. cathode wires, 54. weights, 6. insulated case.
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The specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present invention is only described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As depicted in figs. 1 and 2, the high high cycle speed effect of a kind of PM2.5 deep treatment of the present invention wet type electrofiltration equipment, comprise main casing 1 and be arranged at the electrode separation device 5 in main casing 1, the bottom of described main casing 1 is provided with lower chamber 2, top is provided with upper chamber 3, on described lower chamber 2, offer exhaust gas inlet 21 and sewage draining exit 22, lower chamber 2 is provided with distribution device in gas-fluid 4 with the junction of main casing 1, and the top of described upper chamber 3 has exhaust outlet 31; Described electrode separation device 5 comprises cathode assembly, anode assembly and electric supply installation; Described anode assembly is honeycomb fashion conducing composite material tube bank 51; Described cathode assembly comprises and is positioned at the negative electrode connecting plate 52 of upper chamber and hangs on the some cathode wires 53 on negative electrode connecting plate 52, described cathode wire 53 one by one correspondence is arranged in honeycomb fashion conducing composite material tube bank 51, and the lower end of each cathode wire 53 connects a weight 54; Described electric supply installation comprises the insulated case 6 that is positioned at upper chamber 3 tops, in described insulated case 6, is provided with electric energy introducing device, and described electric energy introducing device is connected by wire with negative electrode connecting plate 52.
Further, in described upper chamber 3, be also provided with the sprayer unit 7 for improving main casing 1 interior electric conductivity.Be conducive to increase the moisture in smoke gas flow and strengthen electric conductivity, accelerating the migration velocity of corona zone dust granules anode.
Further, for making gas more uniformly through electrode separation device 5, described distribution device in gas-fluid 4 comprises gas guide board 41 and gas distribution grid 42, and described gas distribution grid 42 is positioned at the top of gas guide board 41.
Further, for preventing that weight 54 from driving cathode wire 53 to rock, and is provided with fixture between described weight 54.Avoid cathode wire 53 to occur rocking the reduction that causes efficiency of dust collection because of the flushing of high gas speed air-flow.
Further, described insulated case 6 is provided with the positive-pressure protecting device that blasts hot blast to insulated case inside.Stop hot flue gas and fine solid particle, droplet to enter, guarantee that casing insulating properties is more reliable, effectively avoid the generation of " pollution flashover " phenomenon.
Introduce the present invention below in conjunction with concrete use, waste gas is introduced to lower chamber 2 from exhaust gas inlet 21, then, waste gas upwards flows in honeycomb fashion conducing composite material tube bank 51, then, the high voltage direct current of 55-72 kilovolt is guided on negative line wire 53 by electric energy introducer, make it produce corona discharge, maintain an electric field that is enough to make gas ionization, gas ionization between cathode wire 53 and honeycomb fashion conducing composite material tube bank 51 is become to anion and free electron, dirt, the particles such as acid mist are encountered electronics and are produced charged, according to two like magnetic poles repel each other, the principle that there is a natural attraction between the sexes, charged dust kicked up by somebody walking in front, acid mist droplet should move to the contrary electrode of electric polarity, cation moves to corona discharge electrode, anion and electronics are shifted on the inwall of honeycomb fashion conducing composite material tube bank 51, under by conducting oneself with dignity along wall, fall in the lower chamber 2 of electrofiltration equipment and discharge from sewage draining exit 22, waste gas is purified, waste gas after final purification enters upper chamber, flows out from exhaust outlet.
The present invention is applied to the wet desulphurization denitrating technique of large exhaust gas volumn, high gas speed 1.6-3.2m/s, and for the comprehensive regulation of the pollutants (PM2.5) such as fine solid particle, aerosol, acid mist, heavy metal, efficiency of dust collection is greater than 95%, exhanst gas outlet concentration is less than 20mg/Nm
3.
Take above-mentioned foundation desirable embodiment of the present invention as enlightenment, by above-mentioned description, relevant staff can, not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on description, must determine its technical scope according to claim scope.
Claims (5)
1. the high high cycle speed effect of a PM2.5 deep treatment wet type electrofiltration equipment, it is characterized in that: comprise main casing and be arranged at the electrode separation device in main casing, the bottom of described main casing is provided with lower chamber, top is provided with upper chamber, on described lower chamber, offer exhaust gas inlet and sewage draining exit, the junction of lower chamber and main casing is provided with distribution device in gas-fluid, and the top of described upper chamber has exhaust outlet;
Described electrode separation device comprises cathode assembly, anode assembly and electric supply installation;
Described anode assembly is the tube bank of honeycomb fashion conducing composite material;
Described cathode assembly comprises and is positioned at the negative electrode connecting plate of upper chamber and hangs on the some cathode wires on negative electrode connecting plate, described cathode wire one by one correspondence is arranged in the tube bank of honeycomb fashion conducing composite material, and the lower end of each cathode wire connects a weight;
Described electric supply installation comprises the insulated case that is positioned at upper chamber top, is provided with electric energy introducing device in described insulated case, and described electric energy introducing device is connected by wire with negative electrode connecting plate.
2. the high high cycle speed effect of PM2.5 deep treatment as claimed in claim 1 wet type electrofiltration equipment, is characterized in that: in described upper chamber, be also provided with the sprayer unit for improving electric conductivity in main casing.
3. the high high cycle speed effect of PM2.5 deep treatment as claimed in claim 1 wet type electrofiltration equipment, is characterized in that: described distribution device in gas-fluid comprises gas guide board and gas distribution grid, and described gas distribution grid is positioned at the top of gas guide board.
4. the high high cycle speed effect of PM2.5 deep treatment as claimed in claim 1 wet type electrofiltration equipment, is characterized in that: between described weight, be provided with fixture.
5. the high high cycle speed effect of PM2.5 deep treatment as claimed in claim 1 wet type electrofiltration equipment, is characterized in that: described insulated case is provided with the positive-pressure protecting device that blasts hot blast to insulated case inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410073232.XA CN103817004A (en) | 2014-03-03 | 2014-03-03 | High gas speed and high efficiency wet-type electrofiltration device for deep treatment of PM2.5 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410073232.XA CN103817004A (en) | 2014-03-03 | 2014-03-03 | High gas speed and high efficiency wet-type electrofiltration device for deep treatment of PM2.5 |
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| CN103817004A true CN103817004A (en) | 2014-05-28 |
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| CN201410073232.XA Pending CN103817004A (en) | 2014-03-03 | 2014-03-03 | High gas speed and high efficiency wet-type electrofiltration device for deep treatment of PM2.5 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425062A (en) * | 2015-11-05 | 2016-03-23 | 常州大学 | System for detecting performances of electrofiltration equipment |
| CN107297113A (en) * | 2017-07-06 | 2017-10-27 | 常州大学 | A kind of waste gas residual heat is reclaimed and pollutant integrated conduct method and system |
| WO2020083161A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Engine exhaust gas ozone purification system and method |
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| JPS52125776U (en) * | 1976-03-22 | 1977-09-24 | ||
| CN2389723Y (en) * | 1999-08-10 | 2000-08-02 | 黄石市建材节能设备总厂 | Vertical high-efficiency electric dust collector |
| CN1272406A (en) * | 2000-01-31 | 2000-11-08 | 烟台万华聚氨酯股份有限公司 | Wet electric dust-removing process and its special-purpose equipment |
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| CN202570380U (en) * | 2012-04-13 | 2012-12-05 | 宜兴市化工成套设备有限公司 | Improved conductive glass reinforced plastic electric demister |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105425062A (en) * | 2015-11-05 | 2016-03-23 | 常州大学 | System for detecting performances of electrofiltration equipment |
| CN107297113A (en) * | 2017-07-06 | 2017-10-27 | 常州大学 | A kind of waste gas residual heat is reclaimed and pollutant integrated conduct method and system |
| WO2020083161A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | Engine exhaust gas ozone purification system and method |
| WO2020083162A1 (en) * | 2018-10-22 | 2020-04-30 | 上海必修福企业管理有限公司 | System and method for purifying engine exhaust by using ozone |
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Application publication date: 20140528 |
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