CN104841556A - Low-low-temperature electric dust remover - Google Patents
Low-low-temperature electric dust remover Download PDFInfo
- Publication number
- CN104841556A CN104841556A CN201510128573.7A CN201510128573A CN104841556A CN 104841556 A CN104841556 A CN 104841556A CN 201510128573 A CN201510128573 A CN 201510128573A CN 104841556 A CN104841556 A CN 104841556A
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- CN
- China
- Prior art keywords
- low
- electric
- ash
- deduster
- air
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/025—Combinations of electrostatic separators, e.g. in parallel or in series, stacked separators, dry-wet separator combinations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/08—Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces parallel to the gas stream
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/36—Controlling flow of gases or vapour
- B03C3/361—Controlling flow of gases or vapour by static mechanical means, e.g. deflector
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/40—Electrode constructions
- B03C3/45—Collecting-electrodes
- B03C3/47—Collecting-electrodes flat, e.g. plates, discs, gratings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/74—Cleaning the electrodes
- B03C3/76—Cleaning the electrodes by using a mechanical vibrator, e.g. rapping gear ; by using impact
Abstract
The invention discloses a low-low-temperature electric dust remover, and the low-low-temperature electric dust remover comprises an air inlet smoke box and a deduster body which are communicated, and an ash bucket positioned at lower part of the deduster body, internal part of the deduster body is divided into at least two chambers by a separator plate, an inlet of each chamber is communicated to the air inlet smoke box, an outlet of each chamber is communicated to an air outlet main pipe through an air outlet branch pipe, an electric baffle plate door capable of opening or closing the air outlet branch pipe is arranged on each air outlet branch pipe, at least two electric fields are distributed on each chamber following with a flow direction of dust-containing flue gas in order, the plate electrodes are respectively arranged in each electric field, and a shaking ash removal apparatus is respectively arranged on each plate electrode. The low-low-temperature electric dust remover has the advantage that generation of secondary dust flowing phenomenon during shaking and ash removing can be effectively avoided.
Description
Technical field
The present invention relates to dust arrester, be specifically related to low low temp. electric deduster.
Background technology
Low low temp. electric deduster is a kind of more novel electric cleaner, because of its have efficiency of dust collection high, take up an area less, power consumption low, heat-recoverable recycling, effectively can remove most of SO3 in flue gas, the advantage such as stable, maintenance workload is low, in power industry, there is wide application market.The structure of the low low temp. electric deduster used at present is: comprise smoke heat replacing device, air intake smoke box, deduster body, air outlet pipeline, the below of deduster body is provided with the ash bucket communicated with it, deduster body is connected with smoke heat replacing device by air intake smoke box, deduster body is connected with air outlet pipeline, the electric field being provided with collecting plate and being formed by corona wire in deduster body, is also provided with the ash removal equipment for flapping that can carry out vibration dust-cleaning to collecting plate in deduster body.In actual use, the air outlet pipeline of low low temp. electric deduster generally with being connected of air-introduced machine, air-introduced machine introduces low low temp. electric deduster by by the ash-laden gas after smoke heat replacing device temperature adjustment.The operation principle of low low temp. electric deduster is: the ash-laden gas after smoke heat replacing device temperature adjustment enters deduster body by air intake smoke box under the effect of air-introduced machine, in deduster body, corona wire connects the negative pole of high-voltage DC power supply, collecting plate ground connection is positive pole, one can be formed after corona wire leads to high voltage direct current be enough to make gas that the electric field of ionization occur, under the effect of ash-laden gas highfield around corona wire occur ionization and electronegative, flue dust in electronegative ash-laden gas moves to collecting plate and is deposited on collecting plate under the effect of electric field force, when after control of dust to certain thickness, by ash removal equipment for flapping, rapping is carried out to collecting plate, the flue dust become trapped in the ash-laden gas on collecting plate is made to depart from from collecting plate and fall into ash bucket, and purified gas is discharged from air outlet pipeline, thus reach the object removing flue dust in ash-laden gas.The shortcoming of above-mentioned low low temp. electric deduster is: reentrainment of dust can play conclusive effect to the soot emissions of low low temp. electric deduster, the reentrainment of dust of low low temp. electric deduster to disperse dust composition primarily of collecting plate rapping again, and the primary particle of failing to trap only accounts for a very little part, owing to reducing with temperature, dust specific resistance is reduced to less than 1011, the reduction of dust specific resistance can weaken the electrostatic adhesive force of the flue dust become trapped on collecting plate, thus cause the reentrainment of dust phenomenon of low low temp. electric deduster more serious than conventional electric cleaner, affect dust removal performance.
Summary of the invention
The object of this invention is to provide a kind of low low temp. electric deduster effectively avoiding occurring during vibration dust-cleaning reentrainment of dust phenomenon.
For achieving the above object, present invention employs following technical scheme: described low low temp. electric deduster, comprise smoke heat replacing device, air intake smoke box, deduster body, and the ash bucket be positioned at below deduster body, the inside of deduster body is become at least two bins by baffle for separating, the import of each bin is connected with air intake smoke box, the outlet of each bin is connected with air-out house steward respectively by air-out arm, each air-out arm is provided with the electric guard board door that can open or close air-out arm, each bin is distributed with two electric fields at least successively along the flow direction of ash-laden gas, collecting plate is respectively arranged with in each electric field, each collecting plate is respectively arranged with ash removal equipment for flapping.
Further, aforesaid low low temp. electric deduster, wherein: the guiding device being provided with the uniform ash-laden gas of energy in air intake smoke box.
Further, aforesaid low low temp. electric deduster, wherein: the trend that the caliber of described air intake smoke box increases gradually in the flow direction along ash-laden gas is arranged.
By the enforcement of technique scheme, the present invention have efficiency of dust collection high and effectively can avoid vibration dust-cleaning time there is the advantage of reentrainment of dust phenomenon.
Accompanying drawing explanation
Fig. 1 is the operation principle schematic diagram of low low temp. electric deduster of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, described low low temp. electric deduster, comprise the smoke heat replacing device 11, air intake smoke box 1 and the deduster body 2 that are connected, and the ash bucket be positioned at below deduster body 2, the inside of deduster body 2 is separated at least two bins by dividing plate 3, in the present embodiment, deduster body 2 is separated into four bins by dividing plate 3; The import of each bin is connected with air intake smoke box 1, the outlet of each bin is connected with air-out house steward 5 respectively by air-out arm 4, each air-out arm 4 is provided with the electric guard board door 6 that can open or close air-out arm 4, each bin is distributed with two electric fields 7 at least successively along the flow direction of ash-laden gas, in the present embodiment, each bin is distributed with four electric fields 7 successively along ash-laden gas flow direction; Be respectively arranged with collecting plate 8 in each electric field 7, each collecting plate 8 is respectively arranged with ash removal equipment for flapping 9; In the present embodiment, the guiding device 10 of the uniform ash-laden gas of energy is provided with in air intake smoke box 1, guiding device 10 can make to enter the dust constaining tolerance relative equilibrium of each bin in running order in deduster body 2, effectively avoid the dust constaining tolerance entered in single bin to exceed the live load of bin, ensure that the operation stability of low low temp. electric deduster; In the present embodiment, the trend that the caliber of described air intake smoke box 1 increases gradually in the flow direction along ash-laden gas is arranged, effectively can reduce the flow velocity of the ash-laden gas entering each bin of deduster body 2 like this, extend the time of staying of ash-laden gas in deduster body 2, and then substantially increase efficiency of dust collection;
Operation principle of the present invention is as follows:
Ash-laden gas after smoke heat replacing device 11 temperature adjustment enters each bin of deduster body 2 by air intake smoke box 1 in the effect of air-introduced machine, ash-laden gas in each bin around corona wire highfield effect under occur ionization and electronegative, electronegative flue dust moves to collecting plate 8 and is deposited on collecting plate 8 under the effect of electric field force, thus the dedusting operation completed flue dust in ash-laden gas, by by ash-laden gas through multiple electric field, substantially increase the dust removing effects to ash-laden gas, flue gas after electric field dedustings all in each bin is neat stress, neat stress can enter air-out house steward 5 by corresponding air-out arm 4, when needing to carry out vibration dust-cleaning after the collecting plate 8 in a certain bin works certain hour, only first need close the electric guard board door 6 that this needs on air-out arm 4 that rapping collecting plate 8 place bin is corresponding, the corona wire forming electric field in this bin is stopped power supply simultaneously, then the ash removal equipment for flapping 9 needing rapping collecting plate 8 correspondence is restarted, ash removal equipment for flapping 9 is made to need the collecting plate of rapping to carry out rapping to this, due to this need the outlet of rapping collecting plate 8 place bin close by electric guard board door 6, the suction of air-introduced machine can not act on the bin that this needs rapping collecting plate 8 place, make this need the ash-laden gas in the bin of rapping collecting plate 8 place to be in and temporarily stop flow regime, the ash bucket of below directly can be fallen into like this by the dust that ash removal equipment for flapping 9 rapping is got off, and can not be taken out of deduster body 2 by air-introduced machine, thus effectively prevent the generation of reentrainment of dust phenomenon, greatly reduce outlet dust concentration, pass through aforesaid operations, namely complete and the vibration dust-cleaning of this bin is operated, and each bin carries out vibration dust-cleaning of staggering the time, namely first vibration dust-cleaning operation is carried out to one of them bin, other bins then proceed dedusting work, so namely, the normal dedusting operation of low low temp. electric deduster can not be affected, complete again and the vibration dust-cleaning of bin is operated, thoroughly avoid reentrainment of dust, improve efficiency of dust collection, in use, also can be regulated the flow of the flue gas of each bin by the electric guard board door that each bin is corresponding, balanced each bin useful load, ensure that the reliable stable of low low temp. electric deduster.
Claims (3)
1. low low temp. electric deduster, comprise smoke heat replacing device, air intake smoke box, deduster body, and the ash bucket be positioned at below deduster body, it is characterized in that: the inside of deduster body is become at least two bins by baffle for separating, the import of each bin is connected with air intake smoke box, the outlet of each bin is connected with air-out house steward respectively by air-out arm, each air-out arm is provided with the electric guard board door that can open or close air-out arm, each bin is distributed with two electric fields at least successively along the flow direction of ash-laden gas, collecting plate is respectively arranged with in each electric field, each collecting plate is respectively arranged with ash removal equipment for flapping.
2. low low temp. electric deduster according to claim 1, is characterized in that: the guiding device being provided with the uniform ash-laden gas of energy in air intake smoke box.
3. low low temp. electric deduster according to claim 1, is characterized in that: the trend that the caliber of described air intake smoke box increases gradually in the flow direction along ash-laden gas is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510128573.7A CN104841556A (en) | 2015-03-24 | 2015-03-24 | Low-low-temperature electric dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510128573.7A CN104841556A (en) | 2015-03-24 | 2015-03-24 | Low-low-temperature electric dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104841556A true CN104841556A (en) | 2015-08-19 |
Family
ID=53841764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510128573.7A Pending CN104841556A (en) | 2015-03-24 | 2015-03-24 | Low-low-temperature electric dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104841556A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126999A (en) * | 2015-08-31 | 2015-12-09 | 浙江菲达环保科技股份有限公司 | Low-low temperature electric dust remover |
| CN105478237A (en) * | 2015-12-23 | 2016-04-13 | 浙江菲达环保科技股份有限公司 | Small subarea power supplied low-low-temperature electric precipitator and transformation method |
| CN106269250A (en) * | 2016-08-08 | 2017-01-04 | 浙江浙能技术研究院有限公司 | A kind of low low temp. electric dedusting safe and highly efficient operation method based on coal property |
| CN108568347A (en) * | 2018-05-21 | 2018-09-25 | 中信重工机械股份有限公司 | A kind of high-efficient purification electrostatic precipitator |
| CN108758909A (en) * | 2018-06-20 | 2018-11-06 | 苏州百创达环保科技有限公司 | A kind of automation dust purification device suitable for open urban public place |
| CN110909469A (en) * | 2019-11-19 | 2020-03-24 | 福建龙净环保股份有限公司 | Low-low temperature electric dust collector model selection design device and model selection design method |
| CN111672627A (en) * | 2020-04-29 | 2020-09-18 | 河南城建学院 | Electromagnetism stack dust removal dehumidification pipe and honeycomb tubular electromagnetism stack dust removal dehumidification device |
| CN113751200A (en) * | 2021-09-11 | 2021-12-07 | 山东首丰智能环保装备有限公司 | Wet electrostatic dust collector |
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| CN201454688U (en) * | 2009-08-27 | 2010-05-12 | 李爱军 | Highly-effective electric dust catcher capable of achieving off-line deashing |
| US20120111188A1 (en) * | 2009-07-17 | 2012-05-10 | Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natural Resources | Hot sieving electrostatic precipitator |
| CN202410839U (en) * | 2012-01-30 | 2012-09-05 | 中国电力投资集团公司 | Electrostatic dust collector |
| CN103551250A (en) * | 2013-11-05 | 2014-02-05 | 福建龙净环保股份有限公司 | Electric dust collector and vibrating method thereof |
| CN203809713U (en) * | 2014-04-29 | 2014-09-03 | 江苏新中环保股份有限公司 | Integrated external off-line valve |
| CN204672431U (en) * | 2015-03-24 | 2015-09-30 | 江苏新中环保股份有限公司 | Low low temp. electric deduster |
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2015
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Patent Citations (6)
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| US20120111188A1 (en) * | 2009-07-17 | 2012-05-10 | Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Natural Resources | Hot sieving electrostatic precipitator |
| CN201454688U (en) * | 2009-08-27 | 2010-05-12 | 李爱军 | Highly-effective electric dust catcher capable of achieving off-line deashing |
| CN202410839U (en) * | 2012-01-30 | 2012-09-05 | 中国电力投资集团公司 | Electrostatic dust collector |
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| CN203809713U (en) * | 2014-04-29 | 2014-09-03 | 江苏新中环保股份有限公司 | Integrated external off-line valve |
| CN204672431U (en) * | 2015-03-24 | 2015-09-30 | 江苏新中环保股份有限公司 | Low low temp. electric deduster |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126999A (en) * | 2015-08-31 | 2015-12-09 | 浙江菲达环保科技股份有限公司 | Low-low temperature electric dust remover |
| CN105478237A (en) * | 2015-12-23 | 2016-04-13 | 浙江菲达环保科技股份有限公司 | Small subarea power supplied low-low-temperature electric precipitator and transformation method |
| CN106269250A (en) * | 2016-08-08 | 2017-01-04 | 浙江浙能技术研究院有限公司 | A kind of low low temp. electric dedusting safe and highly efficient operation method based on coal property |
| CN106269250B (en) * | 2016-08-08 | 2018-04-06 | 浙江浙能技术研究院有限公司 | A kind of low temperature electric precipitation safe and highly efficient operation method based on coal property |
| CN108568347A (en) * | 2018-05-21 | 2018-09-25 | 中信重工机械股份有限公司 | A kind of high-efficient purification electrostatic precipitator |
| CN108758909A (en) * | 2018-06-20 | 2018-11-06 | 苏州百创达环保科技有限公司 | A kind of automation dust purification device suitable for open urban public place |
| CN110909469A (en) * | 2019-11-19 | 2020-03-24 | 福建龙净环保股份有限公司 | Low-low temperature electric dust collector model selection design device and model selection design method |
| CN110909469B (en) * | 2019-11-19 | 2023-03-31 | 福建龙净环保股份有限公司 | Low-low temperature electric dust collector model selection design device and model selection design method |
| CN111672627A (en) * | 2020-04-29 | 2020-09-18 | 河南城建学院 | Electromagnetism stack dust removal dehumidification pipe and honeycomb tubular electromagnetism stack dust removal dehumidification device |
| CN113751200A (en) * | 2021-09-11 | 2021-12-07 | 山东首丰智能环保装备有限公司 | Wet electrostatic dust collector |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
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Application publication date: 20150819 |