CN104888963A - Fog condensing and membrane forming liquid membrane electric precipitator - Google Patents

Fog condensing and membrane forming liquid membrane electric precipitator Download PDF

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Publication number
CN104888963A
CN104888963A CN201510279789.3A CN201510279789A CN104888963A CN 104888963 A CN104888963 A CN 104888963A CN 201510279789 A CN201510279789 A CN 201510279789A CN 104888963 A CN104888963 A CN 104888963A
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housing
forming liquid
collecting tank
water tank
bellows
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CN201510279789.3A
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CN104888963B (en
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李文
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Abstract

The invention discloses a fog condensing and membrane forming liquid membrane electric precipitator, and relates to the technical field of electric precipitation. The fog condensing and membrane forming liquid membrane electric precipitator comprises a shell, a high-voltage direct-current power source, insulation heat preservation boxes, a sealed fan device, a liquid collection pool, a water draining water tank and a water circulating water tank and is further provided with electric fields, dust collection plates and membranization nozzles. Through high-voltage static electricity, dust-containing liquid drops, acid mist liquid drops and the like in the shell are charged and are concentrated on the dust collection plates under the effect of electric field force to form a liquid membrane, and meanwhile through the membranization nozzles, a water membrane is directly generated; adherent gypsum liquid drops, PM2.5 dust, acid mist and other fogdrop liquid drops condensed on the dust collection plates are washed away, and the effect of fog condensing and membrane forming efficient dust removal is achieved; and through collection and recycling, the zero-emission aim is achieved, and the electric precipitator is efficient, saves energy and solves the problem that a traditional electric precipitator cannot thoroughly remove gypsum rain, acid rain and the PM2.5 dust in a coal-fired generating unit.

Description

Solidifying mist film forming liquid film electric cleaner
Technical field:
The present invention relates to electrostatic precipitation technology field, particularly relate to a kind of solidifying mist film forming liquid film electric cleaner.
Background technology:
The wet method of electric cleaner used in some chemical industries in a large number from the thirties in 20th century, last century this equipment be mainly used in the acid mist process of chemical industry, and this major function can refer to after the wet desulphurization of Thermal generation unit, for removing the accessory substance-gypsum drop etc. produced by desulfurizing tower, and conventional dry electric cleaner process PM2.5 ultrafine dust not, other drop that desulfurizing tower produces in course of reaction, current environmental protection new-standard is implemented, require that ultra-clean discharges even zero-emission, so make to need to break through in the electric cleaner technology in this field, form new technical research direction, make every effort to the zero-emission accomplishing Thermal generation unit.
Summary of the invention:
Technical problem to be solved by this invention is, a kind of solidifying mist film forming liquid film electric cleaner is provided, this electric cleaner also arranges electric field, dust collection plate and membranization nozzle, the dust-laden drop of enclosure interior and acid mist drop etc. is made to bring electric charge by high-pressure electrostatic, under the effect of electric field force, on dust collection plate, carry out assembly form liquid film, directly produce moisture film by membranization nozzle simultaneously, to the gypsum drop of the attachment condensed on dust collection plate, PM2.5 dust, acid mist and other droplet drop, rinse, reach the effect of solidifying mist film forming high-effective dust-removing, recycle through collection again, realize zero-emission target, energy-efficient, solve the gypsum rain of traditional electrical deduster to Thermal generation unit, acid rain, PM2.5 dust cannot thoroughly discharge clean problem.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of solidifying mist film forming liquid film electric cleaner, comprises housing, high-voltage DC power supply, thermal insulating case, seal fan device, collecting tank, draining water tank and recirculated water water tank, it is characterized in that:
Described housing is interior empty tetragonal body hermetically-sealed construction, level ground is fixed on by steel structure support, described thermal insulating case is arranged on housing tip both sides, described seal fan device is fixedly mounted on the top of thermal insulating case, described high-voltage DC power supply is arranged on the top of thermal insulating case, described collecting tank is arranged on the inside bottom of housing, and described draining water tank and recirculated water water tank to be separately positioned on immediately below collecting tank and to be communicated with collecting tank respectively by liquid-transport pipe-line.
The both sides of described housing arrange air inlet bellows and bellows of giving vent to anger respectively, and described air inlet bellows are arranged on the front end of housing, described in bellows of giving vent to anger be arranged on the end of housing, by the air inlet of air inlet bellows, by bellows exhaust of giving vent to anger.
Arrange porous air-flow homogenizing plate inside described air inlet bellows, porous air-flow homogenizing plate is mounted by means of bolts on inside air inlet bellows top board, and lower end is hung vertically in air inlet inner bellows, makes the air flow method entering enclosure interior even.
Described porous air-flow homogenizing plate is uniformly distributed multiple through hole, by through hole, the gas uniform of housing is shunted, avoid gas to escape.
Described enclosure interior arranges electric field, and inner tip arranges dust collection plate and membranization nozzle.
Described electric field inside arranges many row's brace summers and cannulate drill needle-discharging device, described brace summer is fixedly mounted on housing tip case beam, described cannulate drill needle-discharging device, upper end is by porcelain insulator free suspension in housing tip case beam, lower end is suspended at enclosure interior, discharge high-pressure electrostatic by high-voltage DC power supply, make the dust-laden drop of enclosure interior and acid mist drop etc. bring electric charge, under the effect of electric field force, on dust collection plate, carry out assembly form liquid film.
Described dust collection plate upper end is bolted on brace summer, lower end is suspended on enclosure interior, described membranization nozzle is fixedly mounted on directly over enclosure interior dust collection plate by pipeline, by membranization nozzle spray, producing moisture film covers on dust collection plate, rinses from top to bottom to the condensation attachment be attached on dust collection plate, both ensure that the clean of dust collection plate, ensure moisture film integrality from top to bottom again, increase dust removing effects.
Described enclosure interior can arrange multiple electric field, and at least arranges an electric field.
Described brace summer arranges many rows.
Described cannulate drill needle-discharging device arranges multiple.
The corresponding brace summer of described dust collection plate arranges multiple.
Described pipeline epimere is fixedly mounted on the inwall on enclosure interior top, and hypomere is communicated with along housing exterior walls with below recirculated water water tank, goes out water pump to membranization nozzle supplies water by recirculated water water tank, reaches the effect that the utilization of water secondary collected by recirculated water water tank, energy-conserving and environment-protective.
Described seal fan device also comprises seal fan and air draft pipe, described seal fan is fixedly mounted on the top of thermal insulating case, described air draft pipe one end is communicated with thermal insulating case, the other end directly accesses through filtered air, add to thermal insulating case inner, carry out air heat by the electric heater in thermal insulating case, reach the effect of sealing.
Described air draft pipe arranges filter screen with the inside, one end of access air, the foreign material in air are fallen by strainer filtering, ensure that the air quality blasting thermal insulating case, air heat is carried out by the electric heater in thermal insulating case, porcelain insulator is kept dry always, and it is creepage not condensed by low temperature, safe and reliable.
Described collecting tank is taper or inverted pyramid structure, be divided into proparea collecting tank and back zone collecting tank, by dust-laden drop and the acid mist drop of moisture film flushing from top to bottom on the inner dust collection plate of collecting tank assembling supporting member, draining water tank below collecting tank and recirculated water water tank is delivered to respectively by liquid-transport pipe-line, thus the dust granules of the dusty gas inside of enclosure interior is discharged by draining water tank, reach the effect of high-effective dust-removing, by the modified or supplementary Posterior circle utilization by recirculated water water tank of the liquid of reusable edible, emissions reduction, reduce production cost, energy-conserving and environment-protective.
Described proparea collecting tank is arranged on housing bottom one end near air inlet bellows, by liquid-transport pipe-line with immediately below draining water tank be communicated with, the dust-laden liquid that proparea collecting tank is collected enters draining water tank outer row after modified.
Described back zone collecting tank is arranged on housing bottom near giving vent to anger one end of bellows, by liquid-transport pipe-line with immediately below recirculated water water tank be communicated with, the dust-laden liquid of back zone collecting tank collection enters recirculated water water tank and again recycles through modified or supplementary new water.
In actual production process, dusty gas enters air inlet bellows, housing is entered after carrying out uniform divided flows by porous air-flow homogenizing plate, dusty gas discharges high-pressure electrostatic by the cannulate drill needle-discharging device of electric field and membranization nozzle acts on dust collection plate membranization water spray simultaneously, by dust constaining airsetting mist film forming, moisture film is produced in dust collection plate condensation attachment, water spray is continued to dust collection plate from top to bottom by membranization nozzle, the dust-laden drop be attached on dust collection plate and acid mist drop etc. washed away clean and fall into the collecting tank of housing bottom, draining water tank or recirculated water water tank is delivered to by liquid-transport pipe-line, thus complete solidifying mist film forming high-effective dust-removing.
The invention has the beneficial effects as follows, a kind of solidifying mist film forming liquid film electric cleaner is provided, this electric cleaner also arranges electric field, dust collection plate and membranization nozzle, the dust-laden drop of enclosure interior and acid mist drop etc. is made to bring electric charge by high-pressure electrostatic, under the effect of electric field force, on dust collection plate, carry out assembly form liquid film, directly produce moisture film by membranization nozzle simultaneously, to the gypsum drop of the attachment condensed on dust collection plate, PM2.5 dust, acid mist and other droplet drop, rinse, reach the effect of solidifying mist film forming high-effective dust-removing, recycle through collection again, realize zero-emission target, energy-efficient.
Accompanying drawing illustrates:
Fig. 1 is internal structure schematic diagram of the present invention.
Fig. 2 is shell structure schematic diagram of the present invention.
Fig. 3 is porous air-flow homogenizing plate schematic diagram of the present invention.
Detailed description of the invention:
The technological means realized to make invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth invention further.
As shown in Figure 1, 2, 3, a kind of solidifying mist film forming liquid film electric cleaner, comprises housing 1, high-voltage DC power supply 2, thermal insulating case 3, seal fan device 4, collecting tank 5, draining water tank 6 and recirculated water water tank 7, it is characterized in that:
Described housing 1 is interior empty tetragonal body hermetically-sealed construction, level ground is fixed on by steel structure support 11, described thermal insulating case 3 is arranged on both sides, housing 1 top, described seal fan device 4 is fixedly mounted on the top of thermal insulating case 3, described high-voltage DC power supply 2 is arranged on the top of thermal insulating case 3, described collecting tank 5 is arranged on the inside bottom of housing 1, and described draining water tank 6 and recirculated water water tank 7 to be separately positioned on immediately below collecting tank 5 and to be communicated with collecting tank 5 respectively by liquid-transport pipe-line 8;
The both sides of described housing 1 arrange air inlet bellows 12 and bellows 13 of giving vent to anger respectively, and described air inlet bellows 13 are arranged on the front end of housing 1, described in bellows 12 of giving vent to anger be arranged on the end of housing 1.
Arrange porous air-flow homogenizing plate 121 inside described air inlet bellows 12, porous air-flow homogenizing plate 121 is mounted by means of bolts on inside air inlet bellows 12 top board.
Described porous air-flow homogenizing plate 121 is uniformly distributed multiple through hole 1211.
Described housing 1 inside arranges electric field 14, and inner tip arranges dust collection plate 15 and membranization nozzle 16.
Described electric field 14 inside arranges many row's brace summers 141 and cannulate drill needle-discharging device 142, described brace summer 141 is fixedly mounted on housing 1 top case beam 17, described cannulate drill needle-discharging device 141 upper end is by porcelain insulator 171 free suspension of housing 1 top case beam 17, and it is inner that lower end is suspended at housing 1.
Described dust collection plate 15 upper end is fixed on brace summer 141 by bolt 151, and it is inner that lower end is suspended on housing 1;
Described membranization nozzle 16 is fixedly mounted on directly over the inner dust collection plate 15 of housing 1 by pipeline 18.
Described housing 1 inside can arrange multiple electric field 14, and at least arranges an electric field 14.
Described brace summer 141 arranges many rows.
Described cannulate drill needle-discharging device 142 arranges multiple.
The corresponding brace summer of described dust collection plate 15 141 arranges multiple.
Described pipeline 18 epimere is fixedly mounted on the inwall of housing 1 inner tip, and hypomere is communicated with along housing 1 outer wall with below recirculated water water tank 7.
Described seal fan device 4 also comprises seal fan 41 and air draft pipe 42, and described seal fan 41 is fixedly mounted on the top of thermal insulating case 3, and described air draft pipe 42 one end is communicated with thermal insulating case 3, and the other end directly accesses the air through filter screen 421.
Described air draft pipe 42 arranges filter screen 421 with the inside, one end of access air.
Described collecting tank 5 is taper or inverted pyramid structure, is divided into proparea collecting tank 51 and back zone collecting tank 52.
Described proparea collecting tank 51 is arranged near one end of air inlet bellows 12 bottom housing 1, by liquid-transport pipe-line 8 with immediately below draining water tank 6 be communicated with.
Described back zone collecting tank 52 is arranged near giving vent to anger one end of bellows 13 bottom housing 1, by liquid-transport pipe-line 8 with immediately below recirculated water water tank 7 be communicated with.
More than show and describe the general principle of invention and the advantage of principal character and invention.The technical staff of the industry should understand; invention is not restricted to the described embodiments; the principle that invention is just described described in above-described embodiment and description; under the prerequisite not departing from invention spirit and scope; invention also has various changes and modifications, and these changes and improvements all fall within the scope of claimed invention.Invent claimed scope to be defined by appending claims and equivalent thereof.

Claims (9)

1. a solidifying mist film forming liquid film electric cleaner, comprises housing, high-voltage DC power supply, thermal insulating case, seal fan device, collecting tank, draining water tank and recirculated water water tank, it is characterized in that:
Described housing is interior empty tetragonal body hermetically-sealed construction, level ground is fixed on by steel structure support, described thermal insulating case is arranged on housing tip both sides, described seal fan device is fixedly mounted on the top of thermal insulating case, described high-voltage DC power supply is arranged on the top of thermal insulating case, described collecting tank is arranged on the bottom of housing, and described draining water tank and recirculated water water tank to be separately positioned on immediately below collecting tank and to be communicated with collecting tank respectively by liquid-transport pipe-line;
The both sides of described housing arrange air inlet bellows and bellows of giving vent to anger respectively, and described air inlet bellows are arranged on the front end of housing, described in bellows of giving vent to anger be arranged on the end of housing;
Arrange porous air-flow homogenizing plate inside described air inlet bellows, porous air-flow homogenizing plate is mounted by means of bolts on inside air inlet bellows top board, and lower end is hung vertically in air inlet inner bellows;
Described enclosure interior arranges electric field, and inner tip arranges dust collection plate and membranization nozzle;
Described electric field inside arranges many row's brace summers and cannulate drill needle-discharging device, described brace summer is fixedly mounted on housing tip case beam, described cannulate drill needle-discharging device, upper end is by porcelain insulator free suspension in housing tip case beam, and lower end is suspended at enclosure interior;
Described dust collection plate upper end is bolted on brace summer, and lower end is suspended on enclosure interior;
Described membranization nozzle is fixedly mounted on directly over enclosure interior dust collection plate by pipeline;
Described pipeline epimere is fixedly mounted on the inwall on enclosure interior top, and hypomere is communicated with along housing exterior walls with below recirculated water water tank;
Described seal fan device also comprises seal fan and air draft pipe, and described seal fan is fixedly mounted on the top of thermal insulating case, and described air draft pipe one end is communicated with thermal insulating case, and the other end directly accesses air;
Described collecting tank is taper or inverted pyramid structure, is divided into proparea collecting tank and back zone collecting tank.
2. one according to claim 1 coagulates mist film forming liquid film electric cleaner, it is characterized in that, described porous air-flow homogenizing plate is uniformly distributed multiple through hole.
3. one according to claim 1 coagulates mist film forming liquid film electric cleaner, it is characterized in that, described brace summer arranges many rows.
4. one according to claim 1 coagulates mist film forming liquid film electric cleaner, it is characterized in that, described cannulate drill needle-discharging device arranges multiple.
5. one according to claim 1 coagulates mist film forming liquid film electric cleaner, it is characterized in that, the corresponding brace summer of described dust collection plate arranges multiple.
6. one according to claim 1 coagulates mist film forming liquid film electric cleaner, and it is characterized in that, described enclosure interior can arrange multiple electric field, and at least arranges an electric field.
7. one according to claim 1 coagulates mist film forming liquid film electric cleaner, it is characterized in that, described air draft pipe arranges filter screen with the inside, one end of access air.
8. one according to claim 1 coagulates mist film forming liquid film electric cleaner, it is characterized in that, described proparea collecting tank is arranged on housing bottom one end near air inlet bellows, by liquid-transport pipe-line with immediately below draining water tank be communicated with.
9. one according to claim 1 coagulates mist film forming liquid film electric cleaner, it is characterized in that, described back zone collecting tank is arranged on housing bottom near giving vent to anger one end of bellows, by liquid-transport pipe-line with immediately below recirculated water water tank be communicated with.
CN201510279789.3A 2015-05-27 2015-05-27 Solidifying mist film forming liquid film electric cleaner Active CN104888963B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105478236A (en) * 2016-01-21 2016-04-13 江苏鑫复特环保科技有限公司 Wet-type electric dust remover capable of preventing anode pipes from scaling

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86103864A (en) * 1986-05-29 1987-12-09 东北师范大学 Electrostatic dust remover for boiling furnace
CN2140785Y (en) * 1992-05-28 1993-08-25 南京化学工业(集团)公司研究院 Wet-type electrofilter
US6365112B1 (en) * 2000-08-17 2002-04-02 Sergei Babko-Malyi Distribution of corona discharge activated reagent fluid injected into electrostatic precipitators
US6582500B1 (en) * 2000-08-15 2003-06-24 University Of Maryland Electrohydrodynamic liquid-vapor separator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86103864A (en) * 1986-05-29 1987-12-09 东北师范大学 Electrostatic dust remover for boiling furnace
CN2140785Y (en) * 1992-05-28 1993-08-25 南京化学工业(集团)公司研究院 Wet-type electrofilter
US6582500B1 (en) * 2000-08-15 2003-06-24 University Of Maryland Electrohydrodynamic liquid-vapor separator
US6365112B1 (en) * 2000-08-17 2002-04-02 Sergei Babko-Malyi Distribution of corona discharge activated reagent fluid injected into electrostatic precipitators

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105478236A (en) * 2016-01-21 2016-04-13 江苏鑫复特环保科技有限公司 Wet-type electric dust remover capable of preventing anode pipes from scaling

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