CN103406202A - Electrostatic precipitator for exhaust gas through wet process - Google Patents

Electrostatic precipitator for exhaust gas through wet process Download PDF

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Publication number
CN103406202A
CN103406202A CN2013103344745A CN201310334474A CN103406202A CN 103406202 A CN103406202 A CN 103406202A CN 2013103344745 A CN2013103344745 A CN 2013103344745A CN 201310334474 A CN201310334474 A CN 201310334474A CN 103406202 A CN103406202 A CN 103406202A
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CN
China
Prior art keywords
atomizing spray
gas
waste gas
electrostatic cleaner
waste
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.)
Pending
Application number
CN2013103344745A
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Chinese (zh)
Inventor
戚福祥
刘祎
王云龙
周敏
吴应虎
胡何培
戚福金
宋慧娟
孙海木
郭灿芳
翟莹莹
章跃
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.)
ZHEJIANG HAILIANG ENERGY CO Ltd
Original Assignee
ZHEJIANG HAILIANG ENERGY CO Ltd
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Priority to CN2013103344745A priority Critical patent/CN103406202A/en
Publication of CN103406202A publication Critical patent/CN103406202A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an electrostatic precipitator for exhaust gas through a wet process. The electrostatic precipitator comprises a precipitator body and further comprises an atomizing spray mechanism, a uniform direct-current high-voltage electric field mechanism and an electric control device, wherein the precipitator body comprises a precipitator housing; the atomizing spray mechanism and the uniform direct-current high-voltage electric field mechanism are arranged inside the precipitator housing; the electric control device is used for controlling the movement of the atomizing spray mechanism and the uniform direct-current high-voltage electric field mechanism; a whirlwind inlet is formed in one side of the bottom of the housing; a waste liquor outlet is formed in the other side of the bottom of the housing; an air outlet is formed in the top of the housing; a gas condenser used for cooling and condensing high-temperature gas is arranged at the position of the whirlwind inlet and used for liquefying oil in the gas; the atomizing spray mechanism is arranged above the whirlwind inlet; the uniform direct-current high-voltage electric field mechanism is arranged above the atomizing spray mechanism; the atomizing spray mechanism is composed of a water curtain wall composed of a plurality of atomizing nozzles. According to the electrostatic precipitator, because the atomizing spray mechanism and the high-voltage electric field mechanism are adopted, dust collection efficiency is improved, the production cost is reduced, and the electrostatic precipitator can be widely applied to waste gas treatment of printing, dyeing and shaping machines.

Description

The waste gas Wetting electrostatic cleaner
Technical field
The present invention relates to a kind of waste gas Wetting electrostatic cleaner, belong to dying setting machine and concentrate the exhaust treating purifier field.
Background technology
Along with people are more and more to the cognition of environmental protection, the continuous increase of environmental consciousness, numerous production enterprises have mostly consciously increased corresponding pollution abatement equipment, greatly reduce the discontent and indignation of living near the resident of factory, the complaint event is also fewer and feweri, Environmental Protection Agency is " as crowded as a market " also no longer, is terribly busy all day.
Yet, expansion due to enterprises' production capacity, discharge amount of exhaust gas is corresponding increasing also, it is awkward that original tail gas treatment device just seems, add the very different of environmental protection company, just there are some problems in the equipment itself of producing, causes enterprise's toxic emission not reach discharging standards, and even the waste gas treatment equipment of numerous enterprises has become ornaments.Thereby cause factory's surrounding resident again to be harassed, even some resident has suffered from serious breathing problem owing to being in for a long time in this air.
Dying setting machine waste gas treatment equipment early application be water spray processing mode, but little because of its clean-up effect, do not reach discharging standards and ordered stopping production again to be rectified and improved.What the dying setting machine of present stage was used is mostly the electrostatic precipitation treatment facility, thereby its principle is utilized high pressure to produce static flying dust to be adsorbed on anode reach clean-up effect exactly.But accumulation can make negative and positive the two poles of the earth pitch smaller for a long time, thereby produce electric spark, and in pipeline, exist a lot of chemical fibres, wet goods combustibles, easily initiation fire, explosion accident.
Summary of the invention
In order to overcome the long-term rear easy breaking out of fire existed and the shortcoming of explosion accident, the waste gas Wetting electrostatic cleaner that the invention provides a kind of good purification and be difficult for having an accident of using of electrostatic precipitation treatment facility in existing dying setting machine tail gas treatment device.
The technical solution used in the present invention is:
The waste gas Wetting electrostatic cleaner, comprise the deduster body, described deduster body comprises outer case of dust remover, it is characterized in that: also comprise atomizing spray mechanism, the uniform DC high voltage electric field mechanism be arranged in outer case of dust remover and the controller for electric consumption of controlling above-mentioned two kinds of mechanism actions;
Bottom one side of described shell is provided with the whirlwind air inlet, and opposite side is provided with waste liquid outlet, and its top is provided with air outlet; The import department of described whirlwind air inlet is provided with the lower the temperature gas condenser of condensation of high-temperature gas, for the oil of liquid gas, hot-gas temperature is dropped to 130 ℃ of left and right from 220 ℃, make the condensation of lowering the temperature of oil in gas, by oil liquify, collect, prevent secondary pollution.
Described atomizing spray mechanism is arranged on the top of described whirlwind air inlet, and described uniform electric field mechanism is arranged on described atomizing spray mechanism top; Described atomizing spray mechanism is comprised of several atomizers, and several described atomizers form Water curtain walls, usings and guarantees to produce enough static pressures as the up resistance of air-flow, mitigation of gases movement rate.
Further, several described atomizers adopt the multilayer arrangement, described atomizer is installed on described outer casing inner wall by a connecting rod, the middle part of described connecting rod is installed on outer casing inner wall by fixture, and the two ends of connecting rod are provided with atomizer, nozzle between levels shifts to install, and the connecting line of the nozzle of connecting rod one side between from the upper strata to the lower floor becomes an inclined ramp.
Further, described atomizer is tangential nozzle, axial nozzle or spiral nozzle.
Further, the exit of described whirlwind air inlet is that the below of atomizing spray mechanism is provided with for the deflector to the high-temperature gas reducing temperature twice.
Further, the homogenizing plate of described atomizing spray mechanism uniform distribution gas effect together with being provided with between described uniform electric field mechanism.
Further, the top outlet inlet place of described shell is provided with demister.
Further, described air inlet adopts side spirally inlet air mode, and air-flow is tangentially flown along cylinder inner wall, and the gas pressure that guarantees to enter the electrostatic precipitator body is more even.。
Further, the top of described waste liquid outlet is provided with waste liquid pool, for crude fibre and the impurity of removing gas.
In the present invention, after the oil-containing high-temp waste gas enters the deduster body by the whirlwind air inlet, according to the fluid simulation optimum results, air-flow directly go out downwards with the bottom waste liquid pool in current collide, carry out violent exchange heat, dusty gas after exchange is upwards by comprehensive super-fine atomization zone, in inside, one's respective area, high temperature gas flow is at first by the super-fine atomization district, after intensive water smoke absorbed more latent heat, vaporization was up, form more hydrone, the Water curtain wall formed by spiral nozzle subsequently, produce enough static pressures as the up resistance of air-flow, the mitigation of gases movement rate.Through the gas slowed down, again pass through the preparation ionized region, allow molecule produce polarization, the oil-containing waste gas after polarization is discharged in above the moisture film that sticks to dust collector pole under the effect of electric field force to the dust collector pole motion, under Action of Gravity Field, flowing to electrostatic precipitator bottom waste water after entering high voltage electric field.Gas after high voltage electric field is up to standard to be discharged from air outlet.
Beneficial effect of the present invention is embodied in:
1, adopt atomizing spray mechanism and high voltage electric field mechanism, improved dust-collecting efficiency, reduce production costs, can be widely used in the dying setting machine exhaust-gas treatment;
2, by condenser, improve the collection rate of waste oil, can collect 100 kilograms of left and right waste oil in one day, printing and dyeing waste oil printing and dyeing producer can sell, and reduces production costs;
3, air-flow by the bottom air inlet mouth out, extends waste gas in the time of electric field inter-process, improves purification efficiency;
4, the high density atomization flow increases waste gas relative humidity, improves the operating efficiency of electric field;
5, unique high voltage pulse generating mechanism, regulation voltage size automatically, the minimum 600W maximum of electrical power consumed 2000W; The electrical power consumed index is reached advanced world standards;
6, utilize the electric field electric discharge water-fast chemical substance can be carried out to oxidation processes, reach discharge standard.
The accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the enlarged diagram at I place in Fig. 1.
The specific embodiment
See figures.1.and.2, the waste gas Wetting electrostatic cleaner, comprise the deduster body, described deduster body comprises outer case of dust remover, also comprises atomizing spray mechanism 6, the uniform DC high voltage electric field mechanism 7 be arranged in outer case of dust remover and the controller for electric consumption of controlling above-mentioned two kinds of mechanism actions;
Bottom one side of described shell is provided with whirlwind air inlet 2, and opposite side is provided with waste liquid outlet 10, and its top is provided with air outlet 9; The import department of described whirlwind air inlet 2 is provided with the lower the temperature gas condenser 1 of condensation of high-temperature gas, for the oil of liquid gas, hot-gas temperature is dropped to 130 ℃ of left and right from 220 ℃, make the condensation of lowering the temperature of oil in gas, by oil liquify, collect, prevent secondary pollution.
Described atomizing spray mechanism 6 is arranged on the top of described whirlwind air inlet 2, and described uniform electric field mechanism 7 is arranged on described atomizing spray mechanism 6 tops; Described atomizing spray mechanism 6 is comprised of several atomizers 4, and several described atomizers 4 form Water curtain walls, using and guarantee to produce enough static pressures as the up resistance of air-flow, mitigation of gases movement rate.
Further, several described atomizers 4 adopt the multilayer arrangement, described atomizer 4 is installed on described outer casing inner wall by a connecting rod 11, the middle part of described connecting rod 11 is installed on outer casing inner wall by fixture 12, and the two ends of connecting rod 11 are provided with atomizer 4, nozzle between levels shifts to install, and the connecting line of the nozzle of connecting rod 11 1 sides between from the upper strata to the lower floor becomes an inclined ramp.
Further, described atomizer 4 is tangential nozzle, axial nozzle or spiral nozzle.
Further, the exit of described whirlwind air inlet 2 is that the below of atomizing spray mechanism is provided with for the deflector 3 to the high-temperature gas reducing temperature twice.
Further, the homogenizing plate 5 of described atomizing spray mechanism 6 uniform distribution gas effect together with being provided with between described uniform electric field mechanism 7.
Further, the top outlet inlet place of described shell is provided with demister 8.
Further, described air inlet adopts side spirally inlet air mode, and air-flow is tangentially flown along cylinder inner wall, and the gas pressure that guarantees to enter the electrostatic precipitator body is more even.。
Further, the top of described waste liquid outlet 10 is provided with waste liquid pool, for crude fibre and the impurity of removing gas.
In the present invention, after the oil-containing high-temp waste gas enters the deduster body by the whirlwind air inlet, according to the fluid simulation optimum results, air-flow directly go out downwards with the bottom waste liquid pool in current collide, carry out violent exchange heat, dusty gas after exchange is upwards by comprehensive super-fine atomization zone, in inside, one's respective area, high temperature gas flow is at first by the super-fine atomization district, after intensive water smoke absorbed more latent heat, vaporization was up, form more hydrone, the Water curtain wall formed by spiral nozzle subsequently, produce enough static pressures as the up resistance of air-flow, the mitigation of gases movement rate.Through the gas slowed down, again pass through the preparation ionized region, allow molecule produce polarization, the oil-containing waste gas after polarization is discharged in above the moisture film that sticks to dust collector pole under the effect of electric field force to the dust collector pole motion, under Action of Gravity Field, flowing to electrostatic precipitator bottom waste water after entering high voltage electric field.Gas after high voltage electric field is up to standard to be discharged from air outlet.
The described content of this specification embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as only limiting to the concrete form that embodiment states, protection scope of the present invention also reaches conceives the equivalent technologies means that can expect according to the present invention in those skilled in the art.

Claims (8)

1. waste gas Wetting electrostatic cleaner, comprise the deduster body, described deduster body comprises outer case of dust remover, it is characterized in that: also comprise atomizing spray mechanism, the uniform DC high voltage electric field mechanism be arranged in outer case of dust remover and the controller for electric consumption of controlling above-mentioned two kinds of mechanism actions;
Bottom one side of described shell is provided with the whirlwind air inlet, and opposite side is provided with waste liquid outlet, and its top is provided with air outlet; The import department of described whirlwind air inlet is provided with to the lower the temperature gas condenser of condensation of high-temperature gas, for the oil of liquid gas;
Described atomizing spray mechanism is arranged on the top of described whirlwind air inlet, and described uniform electric field mechanism is arranged on described atomizing spray mechanism top; Described atomizing spray mechanism is comprised of several atomizers, and several described atomizers form Water curtain walls.
2. waste gas Wetting electrostatic cleaner as claimed in claim 1, it is characterized in that: several described atomizers adopt the multilayer arrangement, described atomizer is installed on described outer casing inner wall by a connecting rod, the middle part of described connecting rod is installed on outer casing inner wall by fixture, and the two ends of connecting rod are provided with atomizer, nozzle between levels shifts to install, and the connecting line of the nozzle of connecting rod one side between from the upper strata to the lower floor becomes an inclined ramp.
3. waste gas Wetting electrostatic cleaner as claimed in claim 2 is characterized in that: described atomizer is tangential nozzle, axially nozzle or spiral nozzle.
4. waste gas Wetting electrostatic cleaner as claimed in claim 2 or claim 3, it is characterized in that: the exit of described whirlwind air inlet is that the below of atomizing spray mechanism is provided with for the deflector to the high-temperature gas reducing temperature twice.
5. waste gas Wetting electrostatic cleaner as claimed in claim 4 is characterized in that: the homogenizing plate of described atomizing spray mechanism uniform distribution gas effect together with being provided with between described uniform electric field mechanism.
6. waste gas Wetting electrostatic cleaner as claimed in claim 5, it is characterized in that: the top outlet inlet place of described shell is provided with demister.
7. waste gas Wetting electrostatic cleaner as claimed in claim 6, is characterized in that: described air inlet employing side spirally inlet air mode.
8. waste gas Wetting electrostatic cleaner as claimed in claim 7, it is characterized in that: the top of described waste liquid outlet is provided with waste liquid pool, for crude fibre and the impurity of removing gas.
CN2013103344745A 2013-08-02 2013-08-02 Electrostatic precipitator for exhaust gas through wet process Pending CN103406202A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104028380A (en) * 2014-06-04 2014-09-10 浙江海亮能源管理有限公司 Double-static waste gas wet method electrostatic dust collector
CN104707436A (en) * 2015-03-26 2015-06-17 长沙中瞿新材料科技有限公司 Coke oven gas dust removal device
CN105536421A (en) * 2016-03-09 2016-05-04 山东蓝博环保设备有限公司 Wet type electrostatic dust collector
CN106622668A (en) * 2017-01-18 2017-05-10 山东艾派仕环保科技有限公司 Low temperature plasma waste gas dedusting device
CN109405276A (en) * 2018-09-30 2019-03-01 农业部规划设计研究院 A kind of straw bundle burning boiler cleaning heating system

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CN102145316A (en) * 2010-02-04 2011-08-10 山东大学 Synergistic spray charging and electrostatic dust collecting method and device
CN202621287U (en) * 2012-04-20 2012-12-26 浙江南源环境工程技术有限公司 High-speed wet-type electric deduster
CN203425913U (en) * 2013-08-02 2014-02-12 浙江海亮能源管理有限公司 Waste gas wet-process electrostatic dust collector

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104028380A (en) * 2014-06-04 2014-09-10 浙江海亮能源管理有限公司 Double-static waste gas wet method electrostatic dust collector
CN104707436A (en) * 2015-03-26 2015-06-17 长沙中瞿新材料科技有限公司 Coke oven gas dust removal device
CN105536421A (en) * 2016-03-09 2016-05-04 山东蓝博环保设备有限公司 Wet type electrostatic dust collector
CN105536421B (en) * 2016-03-09 2017-06-30 山东蓝博环保设备有限公司 Wet cottrell
CN106622668A (en) * 2017-01-18 2017-05-10 山东艾派仕环保科技有限公司 Low temperature plasma waste gas dedusting device
CN109405276A (en) * 2018-09-30 2019-03-01 农业部规划设计研究院 A kind of straw bundle burning boiler cleaning heating system

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Application publication date: 20131127