CN203425911U - Device for capturing particulate matters (PM2.5) through water mist charged coagulation for electric precipitation - Google Patents

Device for capturing particulate matters (PM2.5) through water mist charged coagulation for electric precipitation Download PDF

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Publication number
CN203425911U
CN203425911U CN201320516908.9U CN201320516908U CN203425911U CN 203425911 U CN203425911 U CN 203425911U CN 201320516908 U CN201320516908 U CN 201320516908U CN 203425911 U CN203425911 U CN 203425911U
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CN
China
Prior art keywords
electric
electrostatic precipitator
fluid jet
atomization
penultimate
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.)
Expired - Fee Related
Application number
CN201320516908.9U
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Chinese (zh)
Inventor
李宝才
李洋
李健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHIJIAZHUANG HULIN ENVIRONMENTAL PROTECTION EQUIPMENT CO Ltd
Original Assignee
SHIJIAZHUANG HULIN ENVIRONMENTAL PROTECTION EQUIPMENT CO Ltd
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Application filed by SHIJIAZHUANG HULIN ENVIRONMENTAL PROTECTION EQUIPMENT CO Ltd filed Critical SHIJIAZHUANG HULIN ENVIRONMENTAL PROTECTION EQUIPMENT CO Ltd
Priority to CN201320516908.9U priority Critical patent/CN203425911U/en
Application granted granted Critical
Publication of CN203425911U publication Critical patent/CN203425911U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a device for capturing particulate matters (PM2.5) through water mist charged coagulation for electric precipitation. The device comprises an electrostatic precipitator and a double-fluid jet atomizing device, wherein the electrostatic precipitator is arranged between a flue and an induced draft fan; the double-fluid jet atomizing device is arranged between an air inlet air flow distribution plate and a first-stage electric field of the electrostatic precipitator, or between a final-stage electric field and a penultimate electric field of the electrostatic precipitator, or between the penultimate electric field and an antepenultimate electric field of the electrostatic precipitator; a double-fluid jet atomizing part comprises an air supply pipeline, a water supply pipeline and a plurality of nozzles. The device is small in occupied area, simple in structure and steady to operate; the removal efficiency of the particulate matters is greater than 95 percent.

Description

A kind of device of electric precipitation water fog charge coalescence trapping PM2.5 minuteness particle
Technical field
The utility model belongs to gas pollution control field, particularly relates to a kind of device of electric precipitation water fog charge coalescence trapping PM2.5 minuteness particle.
Background technology
China is the maximum country of equipment manufacturing industry kiln in the world, according to incompletely statistics, the equal 10 million ton of smoke discharge amount that China is annual, wherein PM2.5 minuteness particle is approximately 4,000,000 tons, a large amount of soot emissions have caused serious atmosphere pollution, for controlling smoke discharge amount, Industrial Stoves are all provided with cleaner, at present, what the flue gas purifying equipment of China's Industrial Stoves had 90% left and right employing is the electrostatic precipitator that cost performance is higher, electrostatic precipitator efficiency of dust collection is higher, to particulate matter removing efficiency more than particle diameter 10um up to more than 99.6%, but the minuteness particle for 10um following (particularly PM2.5 is following) is difficult to trapping, the escape of a large amount of minuteness particles causes flue gas particles concentration discharge excessive, be difficult to meet existing Atmospheric particulates emission request.Moreover harmful major pollutants are gathered on the dust granules below 10um mostly, in atmosphere, a large amount of minuteness particles has had a strong impact on the healthy of people.
The conventional method that improves electrostatic precipitator efficiency is to increase electric field number and change purge mode.But confirm through a large amount of practices, simple increase electric field number and change purge mode are still difficult to meet the emission request of Atmospheric particulates, trace it to its cause, the minuteness particle of 10um following (particularly PM2.5 is following) is difficult to charged, known according to electrostatic precipitator principle, fail charged minuteness particle, electrostatic precipitation is inoperative.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned the deficiencies in the prior art, by promoting minuteness particle coalescence, reunite, and improve the charged character of minuteness particle, effectively improve the efficiency that electrostatic precipitator removes minuteness particle, provide that a kind of floor space is little, the device of simple structure, investment cost is low, minuteness particle removal efficiency is high water fog charge coalescence trapping PM2.5 minuteness particle.
For achieving the above object, the present invention adopts following technical proposals:
1, the utility model, comprise electrostatic precipitator and two-fluid jet atomization device, electrostatic precipitator is arranged between flue and air-introduced machine, two-fluid jet atomization device be arranged between electrostatic precipitator air inlet airflow-distribution board and primary electric field or electrostatic precipitator final stage electric field and penultimate electric field between or between electrostatic precipitator penultimate electric field and third from the bottom electric field, described two-fluid jet atomization device comprises steam line, water supply line and some nozzles, supply channel is arranged from top to bottom, supply air line is arranged from bottom to top, the injection direction of nozzle is parallel with flue gas circulating direction, the formed atomization face of nozzle ejection sprays formed atomization face coincident with adjacent nozzle.
2, the two-fluid jet atomization device installation site of above-mentioned indication, should guarantee that two-fluid jet atomization device and electric field dust collector pole keep equivalent distance more than 200mm.
Beneficial effect
The utility model floor space is little, and simple structure operates steadily, and minuteness particle removal efficiency is up to more than 95%.
Accompanying drawing explanation
The process chart of Fig. 1 the technical program embodiment 1
The process chart of Fig. 2 the technical program embodiment 2
1, electric cleaner 2, air inlet airflow-distribution board 3, two-fluid spray nozzle 4, two-fluid spray nozzle supply channel 5, two-fluid spray nozzle supply air line 6, primary electric field 7, final stage electric field 8, high voltage source 9, two-fluid jet atomization device 10, water tank 11, feeder
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is further described
Embodiment 1 as shown in Figure 1, electrostatic precipitator 1 is arranged between flue and air-introduced machine, two-fluid jet atomization device 9 is arranged between electrostatic precipitator 1 air inlet airflow-distribution board 2 and primary electric field 6, described two-fluid jet atomization device 9 comprises steam line 5, water supply line 4 and some nozzles 3, supply channel 4 is arranged from top to bottom, supply air line 5 is arranged from bottom to top, the injection direction of nozzle 3 is parallel with flue gas circulating direction, and nozzle 3 sprays formed atomization face and sprays formed atomization face coincident with adjacent nozzle 3.From the liquid that contains electrolyte and surfactant of two-fluid spray nozzle supply channel 4 and from the air of two-fluid spray nozzle supply air line 5 under the effect of two-fluid spray nozzle 3, forming water smoke drop spurts in primary electric field 6, corona charging in primary electric field 6, charged drop contacts with the particle collision of carrying secretly in flue gas, on the one hand, water smoke carries out modified to flue gas, improve the working condition of electrostatic precipitator, on the other hand, the charged liquid that contains electrolyte and surfactant contacts and forms containing wet granular with the collision of the particle in flue gas, effectively increase the viscous force between particle, Coulomb force, promote minuteness particle coalescence to reunite, contain wet granular when dry, electric charge is transferred on particle by force, make minuteness particle charged, improved the charged situation that is difficult to of minuteness particle, effectively improved the efficiency of electrostatic precipitator.
Embodiment 2 is arranged on atomising device 9 between penultimate electric field and third from the bottom electric field as different from Example 1, and other is identical, repeats no more.
Embodiment 3 is arranged on atomising device 9 between final stage electric field 7 and third from the bottom electric field as different from Example 1, and other is identical, repeats no more.

Claims (1)

1. the device of electric precipitation water fog charge coalescence trapping PM2.5 minuteness particle, it is characterized in that: comprise electrostatic precipitator and two-fluid jet atomization device, electrostatic precipitator is arranged between flue and air-introduced machine, two-fluid jet atomization device be arranged between electrostatic precipitator air inlet airflow-distribution board and primary electric field or electrostatic precipitator final stage electric field and penultimate electric field between or between electrostatic precipitator penultimate electric field and third from the bottom electric field, two-fluid jet atomization device comprises steam line, water supply line and some nozzles, supply channel is arranged from top to bottom, supply air line is arranged from bottom to top, the injection direction of nozzle is parallel with flue gas circulating direction, the formed atomization face of nozzle ejection sprays formed atomization face coincident with adjacent nozzle, two-fluid jet atomization device and electric field dust collector pole keep space length more than 200mm.
CN201320516908.9U 2013-08-20 2013-08-20 Device for capturing particulate matters (PM2.5) through water mist charged coagulation for electric precipitation Expired - Fee Related CN203425911U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320516908.9U CN203425911U (en) 2013-08-20 2013-08-20 Device for capturing particulate matters (PM2.5) through water mist charged coagulation for electric precipitation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320516908.9U CN203425911U (en) 2013-08-20 2013-08-20 Device for capturing particulate matters (PM2.5) through water mist charged coagulation for electric precipitation

Publications (1)

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CN203425911U true CN203425911U (en) 2014-02-12

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104258994A (en) * 2014-05-29 2015-01-07 山东国舜建设集团有限公司 Coagulation method and device of desulfurized wet flue gas tiny dust
CN104759347A (en) * 2015-02-27 2015-07-08 广东电网有限责任公司电力科学研究院 Method and device for spray of agglomerator solution by electric dust collector to promote PM2.5 removal
CN107175169A (en) * 2017-05-12 2017-09-19 浙江大学 Humidification stream pre electrified particulate matter reinforcing removing system
CN107198925A (en) * 2017-06-29 2017-09-26 苏州艾特斯环保设备有限公司 A kind of electrostatic charged spray device
CN109731685A (en) * 2018-12-25 2019-05-10 袁野 A kind of moisture condensation formula purification system applied to electric precipitator end
CN109746121A (en) * 2018-12-25 2019-05-14 袁野 A kind of dust cleaning apparatus system applied to electric precipitator end

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104258994A (en) * 2014-05-29 2015-01-07 山东国舜建设集团有限公司 Coagulation method and device of desulfurized wet flue gas tiny dust
CN104258994B (en) * 2014-05-29 2016-08-24 山东国舜建设集团有限公司 The method and device of wet flue gas micronic dust coalescence after desulfurization
CN104759347A (en) * 2015-02-27 2015-07-08 广东电网有限责任公司电力科学研究院 Method and device for spray of agglomerator solution by electric dust collector to promote PM2.5 removal
CN107175169A (en) * 2017-05-12 2017-09-19 浙江大学 Humidification stream pre electrified particulate matter reinforcing removing system
CN107198925A (en) * 2017-06-29 2017-09-26 苏州艾特斯环保设备有限公司 A kind of electrostatic charged spray device
CN109731685A (en) * 2018-12-25 2019-05-10 袁野 A kind of moisture condensation formula purification system applied to electric precipitator end
CN109746121A (en) * 2018-12-25 2019-05-14 袁野 A kind of dust cleaning apparatus system applied to electric precipitator end

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140212

Termination date: 20170820