CN106540805A - A kind of electric dust removing system improved structure - Google Patents

A kind of electric dust removing system improved structure Download PDF

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Publication number
CN106540805A
CN106540805A CN201611246949.5A CN201611246949A CN106540805A CN 106540805 A CN106540805 A CN 106540805A CN 201611246949 A CN201611246949 A CN 201611246949A CN 106540805 A CN106540805 A CN 106540805A
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CN
China
Prior art keywords
electric
electric field
dust collector
pole
field
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
CN201611246949.5A
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Chinese (zh)
Inventor
朱鸿林
于丹
马建军
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.)
Tianjin Iron and Steel Group Co Ltd
Original Assignee
Tianjin Iron and Steel Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Iron and Steel Group Co Ltd filed Critical Tianjin Iron and Steel Group Co Ltd
Priority to CN201611246949.5A priority Critical patent/CN106540805A/en
Publication of CN106540805A publication Critical patent/CN106540805A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/01Pretreatment of the gases prior to electrostatic precipitation
    • B03C3/016Pretreatment of the gases prior to electrostatic precipitation by acoustic or electromagnetic energy, e.g. ultra-violet light
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/40Electrode constructions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/40Electrode constructions
    • B03C3/45Collecting-electrodes

Abstract

The present invention relates to a kind of electric dust removing system improved structure, including electric cleaner entrance, electric precipitation electric field, electric precipitation outlet loudspeaker and dust hopper, two-layer flow distribution plate is provided with electric cleaner entrance, access path sets up the poly- electric field of pre electrified in electric precipitation entrance;It is provided with electric cleaner entrance between two-layer flow distribution plate and is provided with the horizontal dust collector pole of two-layer;Electric-field charge pole is set up in each electric field;In access path, uprush direction is provided with permeability dust collector pole;The end of electric precipitation electric field is provided with last electric field-assisted electrode;Horizontal dust collector pole is set up before electric cleaner outlet loudspeaker;The poly- electric field of above-mentioned pre electrified, horizontal dust collector pole, electric-field charge pole, permeability dust collector pole, it is fitted with rapping apparatus on last electric field-assisted electrode.Improvement expenses of the present invention is low, good dedusting effect, does not remove original part;Dress cycle is short;Dust remover resistance is constant, is not required to change dust pelletizing system blower fan and motor;The low advantage of operation expense.

Description

A kind of electric dust removing system improved structure
Technical field
The invention belongs to electric cleaner technical field, more particularly to a kind of electric dust removing system improved structure.
Background technology
Electric cleaner is with extensive already the features such as its efficiency of dust collection height, low equipment running resistance, high temperature resistant, resistance to erosion Apply in metallurgy industry, particularly sinter the dust pelletizing system in region.As the granular material discharged concentration of electric cleaner is difficult control, but Still meet the granular material discharged limit value 100mg/m in sintering region when designing at that time3Requirement.As the environmental protection of on January 1st, 2015 is arranged The raising of standard is put, it is difficult to meet《Steel sintering pelletizing industrial air pollution thing discharge standard》(GB28662-2012) Grain thing is less than 30mg/m3The requirement for newly issuing standard, more can not meet Jing-jin-ji region particulate matter in above-mentioned standard and perform and especially arrange Put limit value 20mg/m3Standard require.
Smelter is to ensure original electric cleaner qualified discharge, basic using in original outer case of dust remover that reuses at present On the basis of, by cleaner unit internals, the positive plate of more than ten rows, cathode line and big frame, anode and cathode rapping, hanging such as in electric field Device, inside panel, high voltage power supply, high-voltage rectifying switch board etc. are all removed, and inside is designed to Bag filter, that is, makes full cloth into Bag dust collector, increases card, cloth bag, bag cage, air-purifying chamber etc., improves efficiency of dust collection.Its advantage is:Cleaner unit being capable of row up to standard Put.Which has the disadvantage:1. improvement expenses is high;2. installation period length (need 45 days or so);3. because dust remover resistance increase is very big, need more Change the blower fan and motor of dust pelletizing system;4. operation expense high (on the one hand, power of motor increase, power consumption increase.The opposing party Face, operation a year and a half or so just need all to change cloth bag, and about 80-100 million, mainly sintering circuit particulate matter destructive are very Greatly, flue-gas temperature is higher, and selected filtrate material price is costly).
The content of the invention
Low, good dedusting effect that the present invention provides a kind of improvement expenses to solve technical problem present in known technology, Original part is not removed;Dress cycle is short;Dust remover resistance is constant, is not required to change dust pelletizing system blower fan and motor;Operation maintenance into This low electric dust removing system improved structure.
The present invention is adopted the technical scheme that by solving technical problem present in known technology:
A kind of electric dust removing system improved structure, including electric cleaner entrance, electric precipitation electric field, electric precipitation outlet loudspeaker And dust hopper, two-layer flow distribution plate is provided with electric cleaner entrance, electric precipitation electric field includes plural order Dividing for laying be provided with access path between electric field, adjacent point electric field, it is characterised in that:Set up pre- in electric precipitation entrance Charged poly- electric field;It is provided with electric cleaner entrance between two-layer flow distribution plate and is provided with the horizontal dust collector pole of two-layer;In each electricity Electric-field charge pole is set up in;In the access path, uprush direction is provided with permeability dust collector pole;The electric precipitation electric field End be provided with last electric field-assisted electrode;Horizontal dust collector pole is set up before electric cleaner outlet loudspeaker;The poly- electricity of above-mentioned pre electrified Field, horizontal dust collector pole, electric-field charge pole, permeability dust collector pole, it is fitted with rapping apparatus on last electric field-assisted electrode.
The present invention can also adopt following technical measures:
The electric-field charge pole includes that the preposition negative electrode installed in electric field takes preposition laterally charged net and installation on framework Rearmounted laterally charged net on the rearmounted negative electrode big frame of electric field.
The permeability dust collector pole includes the spaced horizontal dust collector pole in access path, adjacent horizontal receipts Between dirt pole, vent is crisscross arranged, and the gap of adjacent horizontal dust collector pole is 350~500mm.
The present invention has the advantages and positive effects that:Original positive plate inside technical solution of the present invention retaining device, The part such as cathode line and framework, suspension apparatus, high voltage power supply, rectification switch board.Increase pre electrified in cleaner unit import horn mouth Electrode and pole plate, electric-field charge pole is set up between each electric field, horizontal dust collector pole, electric cleaner are set up between each electric field Horizontal dust collector pole is set up before setting up last electric field-assisted electrode, electric cleaner outlet loudspeaker.By above-mentioned technical improvements, into Work(is applied in sintering machine tail electric cleaner, and the data of the particulate matter online auto monitoring facility installed from dust pelletizing system floss hole show Show, granular material discharged concentration is typically in 10mg/m3Left and right, fully meets special emission limit 20mg/m3Requirement, successfully realize Improve the target of the efficiency of dust collection of electric cleaner.Also have the advantage that in addition:1. improvement expenses is low, does not remove original portion Part;2. installation period short (only needing 15 days);3. dust remover resistance is constant, is not required to change dust pelletizing system blower fan and motor;4. run Maintenance cost is low.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
In figure:1st, electric cleaner entrance;2nd, electric precipitation electric field;3rd, electric precipitation outlet loudspeaker;4th, dust hopper;5、 Flow distribution plate;6th, access path;7th, the poly- electric field of pre electrified;8th, electric-field charge pole;8-1, preposition laterally charged net;8-2, it is rearmounted laterally Charged net;9th, permeability dust collector pole;10th, last electric field-assisted electrode;11st, horizontal dust collector pole.
Specific embodiment
For the content of the invention, feature and effect of the present invention can be further appreciated that, following examples are hereby enumerated, and coordinates accompanying drawing Describe in detail as follows:
Refer to Fig. 1, a kind of electric dust removing system improved structure, including electric cleaner entrance 1, electric precipitation electric field 2, electricity Dedusting outlet loudspeaker 3 and dust hopper 4, are provided with two-layer flow distribution plate 5 in electric cleaner entrance, electric precipitation electric field includes What plural order was laid divides electric field, adjacent to divide be provided with access path 6 between electric field,
The poly- electric field 7 of pre electrified is set up in electric precipitation entrance, on the poly- electric field of pre electrified, rapping apparatus is fitted with;Make gas Stream is uniformly in advance charged with dust synchronously to be carried out.Meanwhile, the horizontal dust collector pole of two-layer import is respectively set up on two-layer airflow-distribution board, Import loudspeaker are made to play a part of pre- dedusting, equivalent to increased a preposition electric field;Its dust charge electrocoagulation effect is higher than mesh The charged cohesion level of front electric cleaner conventional electric field.
Set up electric-field charge pole 8 in each electric field, electric-field charge extremely on be fitted with rapping apparatus;The electric-field charge pole The preposition laterally charged net 8-1 on framework is taken including the preposition negative electrode installed in electric field and the rearmounted negative electrode big frame of electric field is arranged on On rearmounted laterally charged net 8-2.Three electric fields or four electric fields are generally inside electric cleaner, flue gas is flowed in conventional electric field Dynamic direction is advanced with positive plate and negative electrode row's parallel lines, and it is vertical that the drive after dust is charged enters direction with airflow direction , and then reduce soot dust granule carrying capacity and migration velocity, it is the main cause for causing the current efficiency of dust collection of electric cleaner low. Therefore, laterally charged net is arranged together before electric field using negative electrode big frame, direction and gas are entered in the drive after making dust charged in advance Stream direction is relatively uniform.Charged particle kinetic energy is considerably increased, is made ion effectively overcome the constraint of electric field, and then is improve ion Rate is transported, improves can current flue dust migration velocity.It is same on the negative electrode big frame of electric field rear end that laterally charged net is set together, Mainly there are two effects:One is to trap the reentrainment of dust caused because of rapping;Two make escape dust it is secondary it is charged, condense again.
In the access path, uprush direction is provided with permeability dust collector pole 9, is fitted with rapping on permeability dust collector pole Device;The permeability dust collector pole includes spaced several horizontal dust collector poles in access path, and adjacent is horizontal Between dust collector pole, vent is crisscross arranged, and the gap of adjacent horizontal dust collector pole is 350~500mm.Air-flow is not affected so Size, the access path for having about 800~1200 ㎜ of width between conventional Electric Field in ESP make full use of this space, use Little c-type plate is set up the open type dust collector pole perpendicular to airflow direction and is put, and collects its front electric field and escapes ultra-fine powered dust, another Effect is the airflow distribution state that can improve electric field, improves each electric field efficiency of dust collection.
The end of the electric precipitation electric field is provided with last electric field-assisted electrode 10, and rapping dress is fitted with last electric field-assisted electrode Put;As electric cleaner end electric field is mainly dispersed with ultra tiny dust and high resistivity dust, especially high resistivity dust, this Class dust is the type that conventional electric cleaner is difficult to trap, and is electric cleaner outlet dust emission major reason not up to standard.It is auxiliary Help electrode itself not produce corona, uniform highfield is produced between auxiliary electrode and anode only;So is produced from this region Production electric current can only be Charged in auxiliary electrode and the discharge current of anode, be very little, this just effectively can prevent The back corona phenomenon that high resistivity dust is produced in anode;According to electric field theory, the uniform electric field under the conditions of voltage identical Field intensity is more much bigger than the field intensity of non-uniform electric field, and this can just effectively improve the migration velocity of Charged, while uniform electric field The probability for catching Charged is also far longer than non-uniform electric field.The electric field electric discharge dust collection effect for being provided with auxiliary electrode is shown Write more than the conventional electric cleaner being presently using, have qualitative leap to dust collection efficiency.
Horizontal dust collector pole 11 is set up before electric cleaner outlet loudspeaker, rapping apparatus is fitted with horizontal dust collector pole, because of original Electric cleaner specific collection area is less than normal, makes full use of the inner space before outlet loudspeaker, arranges horizontal electrode systems of gathering dust.
Original positive plate, cathode line and framework, suspension apparatus, high-tension electricity inside technical solution of the present invention retaining device The parts such as source, rectification switch board.Increase pre electrified electrode and pole plate, set up between each electric field in cleaner unit import horn mouth Electric-field charge pole, set up horizontal dust collector pole, electric cleaner between each electric field and set up last electric field-assisted electrode, electric cleaner Horizontal dust collector pole is set up before mouth loudspeaker.By above-mentioned technical improvements, sintering machine tail electric cleaner is successfully applied in, from removing The data display of the particulate matter online auto monitoring facility that dirt system floss hole is installed, granular material discharged concentration is typically in 10mg/ m3Left and right, fully meets special emission limit 20mg/m3Requirement, be successfully realized the efficiency of dust collection that improves electric cleaner Target.Also have the advantage that in addition:1. improvement expenses is low, does not remove original part;2. installation period short (only needing 15 days);3. remove Dirt device resistance is constant, is not required to change dust pelletizing system blower fan and motor;4. operation expense is low.
The above is only, to presently preferred embodiments of the present invention, not to make any pro forma restriction to the present invention, Every technical spirit according to the present invention is belonged to any simple modification made for any of the above embodiments, equivalent variations and modification In the range of technical solution of the present invention.

Claims (3)

1. a kind of electric dust removing system improved structure, including electric cleaner entrance, electric precipitation electric field, electric precipitation outlet loudspeaker with And dust hopper, two-layer flow distribution plate is provided with electric cleaner entrance, electric precipitation electric field includes plural order cloth If point electric field, be provided with access path between adjacent point electric field, it is characterised in that:Pre- lotus is set up in electric precipitation entrance Voltolisation electric field;It is provided with electric cleaner entrance between two-layer flow distribution plate and is provided with the horizontal dust collector pole of two-layer;In each electric field Electric-field charge pole is set up inside;In the access path, uprush direction is provided with permeability dust collector pole;The electric precipitation electric field End is provided with last electric field-assisted electrode;Horizontal dust collector pole is set up before electric cleaner outlet loudspeaker;The poly- electric field of above-mentioned pre electrified, Horizontal dust collector pole, electric-field charge pole, permeability dust collector pole, it is fitted with rapping apparatus on last electric field-assisted electrode.
2. electric dust removing system improved structure according to claim 1, it is characterised in that:The electric-field charge pole includes installing Preposition laterally charged net and the rearmounted horizontal stroke on the rearmounted negative electrode big frame of electric field on framework are taken in the preposition negative electrode of electric field To charged net.
3. electric dust removing system improved structure according to claim 1, it is characterised in that:The permeability dust collector pole includes peace Spaced horizontal dust collector pole in access path is mounted in, vent is crisscross arranged between adjacent horizontal dust collector pole, adjacent The gap of horizontal dust collector pole is 350~500mm.
CN201611246949.5A 2016-12-29 2016-12-29 A kind of electric dust removing system improved structure Pending CN106540805A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611246949.5A CN106540805A (en) 2016-12-29 2016-12-29 A kind of electric dust removing system improved structure

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Application Number Priority Date Filing Date Title
CN201611246949.5A CN106540805A (en) 2016-12-29 2016-12-29 A kind of electric dust removing system improved structure

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108787169A (en) * 2018-07-25 2018-11-13 安徽卓煌机械设备有限公司 A kind of sieve-board type finished ground cement electric dust collecting means
CN108940587A (en) * 2018-07-17 2018-12-07 中国科学院过程工程研究所 A kind of electric precipitator
CN113286659A (en) * 2018-10-22 2021-08-20 上海必修福企业管理有限公司 Air dust removal system and method

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2155948Y (en) * 1993-01-15 1994-02-16 黄春官 Improved electric dust remover for dust reflying
CN2170802Y (en) * 1993-02-10 1994-07-06 武汉工业大学 Hole type electric field of electric dust remover
US6152988A (en) * 1997-10-22 2000-11-28 The United States Of America As Represented By The Administrator Of The Environmental Protection Agency Enhancement of electrostatic precipitation with precharged particles and electrostatic field augmented fabric filtration
CN201316673Y (en) * 2008-09-29 2009-09-30 兰州电力修造厂 Pre-charging device of electric duster
CN202070400U (en) * 2011-03-17 2011-12-14 国电宣威发电有限责任公司 Electric dust collector inlet loudspeaker embedded electric field
CN202070399U (en) * 2011-03-17 2011-12-14 国电宣威发电有限责任公司 Electric dust collector outlet loudspeaker built-in secondary raise dust collecting device
CN103657855A (en) * 2013-11-13 2014-03-26 李文 Energy-efficient electrostatic dust collector
CN103909013A (en) * 2014-04-01 2014-07-09 安徽博隆机械制造有限公司 Kiln tail electric dust collection method
CN203899756U (en) * 2014-06-10 2014-10-29 浙江菲达环保科技股份有限公司 PM 2.5 capture synergistic device arranged in inlet seal head of electric precipitator
CN105195318A (en) * 2015-11-12 2015-12-30 解标 Two-dimensional anode dust collection electric precipitator

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2155948Y (en) * 1993-01-15 1994-02-16 黄春官 Improved electric dust remover for dust reflying
CN2170802Y (en) * 1993-02-10 1994-07-06 武汉工业大学 Hole type electric field of electric dust remover
US6152988A (en) * 1997-10-22 2000-11-28 The United States Of America As Represented By The Administrator Of The Environmental Protection Agency Enhancement of electrostatic precipitation with precharged particles and electrostatic field augmented fabric filtration
CN201316673Y (en) * 2008-09-29 2009-09-30 兰州电力修造厂 Pre-charging device of electric duster
CN202070400U (en) * 2011-03-17 2011-12-14 国电宣威发电有限责任公司 Electric dust collector inlet loudspeaker embedded electric field
CN202070399U (en) * 2011-03-17 2011-12-14 国电宣威发电有限责任公司 Electric dust collector outlet loudspeaker built-in secondary raise dust collecting device
CN103657855A (en) * 2013-11-13 2014-03-26 李文 Energy-efficient electrostatic dust collector
CN103909013A (en) * 2014-04-01 2014-07-09 安徽博隆机械制造有限公司 Kiln tail electric dust collection method
CN203899756U (en) * 2014-06-10 2014-10-29 浙江菲达环保科技股份有限公司 PM 2.5 capture synergistic device arranged in inlet seal head of electric precipitator
CN105195318A (en) * 2015-11-12 2015-12-30 解标 Two-dimensional anode dust collection electric precipitator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108940587A (en) * 2018-07-17 2018-12-07 中国科学院过程工程研究所 A kind of electric precipitator
CN108787169A (en) * 2018-07-25 2018-11-13 安徽卓煌机械设备有限公司 A kind of sieve-board type finished ground cement electric dust collecting means
CN113286659A (en) * 2018-10-22 2021-08-20 上海必修福企业管理有限公司 Air dust removal system and method

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Application publication date: 20170329

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