CN102198426A - Multiple combined apparatus for air flow distribution board of electrostatic precipitator - Google Patents
Multiple combined apparatus for air flow distribution board of electrostatic precipitator Download PDFInfo
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- CN102198426A CN102198426A CN2011100814487A CN201110081448A CN102198426A CN 102198426 A CN102198426 A CN 102198426A CN 2011100814487 A CN2011100814487 A CN 2011100814487A CN 201110081448 A CN201110081448 A CN 201110081448A CN 102198426 A CN102198426 A CN 102198426A
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Abstract
The invention discloses a multiple combined apparatus for an air flow distribution board of an electrostatic precipitator. The multiple combined apparatus comprises a housing body, wherein an inlet funnel is provided on one side of the housing body. A first electric field area, a second electric field area, and ash hoppers corresponding to the first electric field area and the second electric field area, are provided in the housing body. A first air flow distribution board is suspended on the intermediate position of the inlet funnel in the housing body; a second air flow distribution board is suspended on a connecting position of the inlet funnel and the housing body; a third air flow distribution board is suspended on a position between the first electric field area and the second electric field area. The apparatus provided by the present invention has advantages of simple structure, reliable operation, low cost, and long service life.
Description
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Technical field:
The present invention relates generally to a kind of electric cleaner airflow-distribution board device, relates in particular to a kind of electric cleaner airflow-distribution board Multiple Combination device.
Background technology:
Electric cleaner flue gas stream need be asked flow speed stability, distributes rationally, the direction of motion all is tending towards vertical with the electric field main cross section, so just helps improving the online probability of charged grit, assurance electric cleaner high-effective dust-removing.And its motion state is disorderly before advancing electric cleaner, therefore must set up a device in electric cleaner import department and give the air-flow distribution, to realize above-mentioned purpose.Current electric cleaner flue gas distributions device also exists a lot of deficiencies, mainly is air-flow distributivity problem.Along with the raising day by day of national standard limit of smog release, increasing along with electric cleaner scale and range of application, the influence of this respect problem also begins to become more and more to have protruded.Electric cleaner airflow-distribution board device is all in the air inlet loudspeaker at present, all arrange maximum two-layer airflow-distribution boards, and in electric field, do not arrange, can't feed back the variation of flue gas stream in the electric field, the distribution grid percent opening seldom changes again, be difficult to satisfy the requirement of reasonableness of its distribution, it is undesirable therefore to cause distributing.Because every electric cleaner all exists the difference of flue gas stream physics and chemical characteristic, as the import and export dust content, flue dust grit diffusance, flue dust humidity, temperature, chemical composition etc.; Flue gas stream is subjected to the influence of the air inlet loudspeaker inwall resistance and the big or small abrupt change of cross-section of inlet; Electric field net sectional area, field gas velocity that the electric cleaner design is selected for use, and cathode and anode type selecting and configuration or the like.These factors all can directly be disturbed the distributivity of flue gas stream, thereby cause " eddy current ", " jet " in the electric field, " dead angle " and generation such as " reentrainment of dust " phenomenon, as effectively not adjusting, will make distributivity become very poor, the result is that dust collection efficiency descends.
Summary of the invention:
The object of the invention is exactly in order to remedy the defective of prior art, a kind of electric cleaner airflow-distribution board Multiple Combination device to be provided, it have simple in structure, reliable, cost is low and the advantage of long service life.
The present invention is achieved by the following technical solutions:
A kind of electric cleaner airflow-distribution board Multiple Combination device, include housing, housing one side is provided with the air inlet loudspeaker, be provided with in the housing electric field region, two electric field regions and with an electric field region and the corresponding ash bucket of two electric field regions, it is characterized in that: be positioned at the middle position of air inlet loudspeaker in the housing and be hung with airflow-distribution board one, be positioned at the position that the air inlet loudspeaker are connected with housing in the housing and be hung with airflow-distribution board two, the position in the housing between an electric field region and two electric field regions is hung with airflow-distribution board three.
Described a kind of electric cleaner airflow-distribution board Multiple Combination device, it is characterized in that: described airflow-distribution board one, airflow-distribution board two and airflow-distribution board three are arranged in proper order according to combination percent opening separately respectively, and satisfy the relative root-mean-square value that distributes of air-flow in the electric field and all be less than or equal to the requirement of GB.
Described a kind of electric cleaner airflow-distribution board Multiple Combination device, it is characterized in that: be fixed with the electromagnetic pulse rapping apparatus in the described housing, the output of electromagnetic pulse rapping apparatus is connected with force transmission mechanism, and force transmission mechanism is connected respectively on airflow-distribution board one and the airflow-distribution board two.
Described a kind of electric cleaner airflow-distribution board Multiple Combination device, it is characterized in that: be provided with the anode rapping apparatus in the described electric field region, the transmission rod of anode rapping apparatus is connected on the airflow-distribution board three.
Described a kind of electric cleaner airflow-distribution board Multiple Combination device, it is characterized in that: described air inlet loudspeaker are horizontal air inlet loudspeaker or enterprising air horn.
Described airflow-distribution board one is hung on air inlet loudspeaker middle part; Airflow-distribution board two is hung on air inlet loudspeaker and housing connecting portion; Airflow-distribution board three is hung between an electric field region and two electric field regions, and certain interval is all left with air inlet loudspeaker or electric field bottom in each airflow-distribution board bottom.The electromagnetic pulse rapping apparatus is positioned between airflow-distribution board one and the airflow-distribution board two, and fixing on housing.
The present invention adopts multiple combination type airflow-distribution board technology exclusive in the electric cleaner gas channel, promptly in electric cleaner on the flue gas flow path direction, comprise between air inlet loudspeaker and, two electric fields, satisfying under the pressure reduction condition, arrange the most nearly three layers of airflow-distribution boards; Every layer of percent opening according to certain rules arranged in proper order, and has the some different minimum unit distribution grids of percent opening to combine, and percent opening is by the distribution grid percent opening decision of forming minimum unit.
Electric cleaner airflow-distribution board Multiple Combination device function mode of the present invention is as follows:
Flue gas stream at first enters in the electric cleaner by last air inlet (or horizontal air inlet) air inlet loudspeaker inlet, before not reaching this device, is subjected to the influence of various disturbing factors, and it is disorderly unusually that its motion state seems.Diffusion in the air inlet loudspeaker is with mobile, and distribute the first time that this air communication has been crossed airflow-distribution board one, and its distributivity is realized first, the distribution grid decision that effect is made up of the combination percent opening; Again through the diffusion of a period of time with flow, having passed through percent opening again suitably distributes the second time of the airflow-distribution board two of variation, its distributivity is got back and is realized once more, originally the large tracts of land turbulent flow is distributed plate and is divided into the very little turbulent flow of countless areas, this moment, flow velocity tended towards stability, distribution is tending towards evenly rationally, and the direction of motion all is tending towards vertical with the electric field main cross section.Along with flue gas stream continue in an electric field region diffusion with flow, be subjected to the effect of electric field corona, charged, electric field force and gravity, dust is wherein constantly separated with gas, disturbing factors such as dust concentration and diffusance, also correspondingly minimizing gradually.Tackle its distributivity thus and make suitable adjustment again; So that further improve the online probability of charged grit and a large amount of influence that reduces " reentrainment of dust " to dust collection efficiency.By the airflow-distribution board three that special drilling is arranged, realize the distribution for the third time of flue gas stream, finally achieve the above object thereby make it distributivity.
In order to prevent that the distribution grid pore from being stopped up by dust and influence distribution, every layer of airflow-distribution board all has ash removal equipment for flapping, and the ash removal equipment for flapping that acts on airflow-distribution board one and the airflow-distribution board two is the electromagnetic pulse rapping apparatus.On force transmission mechanism, force transmission mechanism is passed to airflow-distribution board one and airflow-distribution board two with the rapping power of electromagnetic pulse rapping apparatus output to the electromagnetic pulse rapping apparatus, thereby reaches the purpose of airflow-distribution board deashing by certain amplitude and cycle rapping; In like manner, the rapping power of airflow-distribution board three is a part of anode rapping power that transmits from transmission rod, realizes the purpose of distribution grid deashing by the anode rapping apparatus.
Useful effect of the present invention:
1. flue gas stream adjustment region is deep and broad.
2. the distribution grid of various percent openings can obtain by the various combinations of elementary cell, is easy to change, and is suitable for using under the various conditions.
3. the flue gas distributions is more stable and reasonable, can avoid a large amount of " eddy current ", " jet " and " dead angle " etc. to influence the phenomenon that air-flow distributes takes place, especially to large-scale electric cleaner, can significantly adjust in the electric field flue gas distributions everywhere, make it to be more conducive to the probability that the electric-field charge grit is caught by the two poles of the earth utmost point electric fishing.
4. because of the flue gas distributions more becomes rationally, the phenomenons such as " reentrainment of dusts " that influences dust collection efficiency will significantly reduce, thereby help improving dust collection efficiency.
5. simple in structure, movement parts is few, and the life-span is long.
6. airflow-distribution board three vibration dust-cleanings can carry out deashing by the anode rapping apparatus, and design is unique, the saving energy.
Description of drawings:
Fig. 1 is the structural representation of embodiment one.
Fig. 2 is the structural representation of embodiment two.
Fig. 3 is the structural representation of airflow-distribution board two.
Fig. 4 is the structural representation of airflow-distribution board three.
The specific embodiment:
Referring to accompanying drawing.
Embodiment one
A kind of electric cleaner airflow-distribution board Multiple Combination device, include housing 1, housing 1 one sides are provided with horizontal air inlet loudspeaker 2, be provided with in the housing 1 electric field region 3, two electric field regions 4 and with an electric field region 3 and the corresponding ash bucket 5 of two electric field regions 4, be positioned at horizontal air inlet loudspeaker 2 middle positions in the housing 1 and be hung with airflow-distribution board 1, be positioned at the position that horizontal air inlet loudspeaker 2 are connected with housing 1 in the housing 1 and be hung with airflow-distribution board 27, the position in the housing 1 between an electric field region 3 and two electric field regions 4 is hung with airflow-distribution board 38.Described airflow-distribution board 1, airflow-distribution board 27 and airflow-distribution board 38 are arranged in proper order according to combination percent opening separately respectively, and satisfy the relative root-mean-square value that distributes of air-flow in the electric field and all be less than or equal to the requirement of GB.Be fixed with electromagnetic pulse rapping apparatus 9 in the housing 1, the output of electromagnetic pulse rapping apparatus 9 is connected with force transmission mechanism 10, and force transmission mechanism 10 is connected respectively on airflow-distribution board 1 and the airflow-distribution board 27.Be provided with anode rapping apparatus 11 in the described electric field region 3, the transmission rod 12 of anode rapping apparatus 11 is connected on the airflow-distribution board 38.
Embodiment two:
A kind of electric cleaner airflow-distribution board Multiple Combination device, include housing 1, housing 1 one sides are provided with enterprising air horn 2, be provided with in the housing 1 electric field region 3, two electric field regions 4 and with an electric field region 3 and the corresponding ash bucket 5 of two electric field regions 4, be positioned at enterprising air horn 2 middle positions in the housing 1 and be hung with airflow-distribution board 1, be positioned at the position that enterprising air horn 2 is connected with housing 1 in the housing 1 and be hung with airflow-distribution board 27, the position in the housing 1 between an electric field region 3 and two electric field regions 4 is hung with airflow-distribution board 38.Described airflow-distribution board 1, airflow-distribution board 27 and airflow-distribution board 38 are arranged in proper order according to combination percent opening separately respectively, and satisfy the relative root-mean-square value that distributes of air-flow in the electric field and all be less than or equal to the requirement of GB.Be fixed with electromagnetic pulse rapping apparatus 9 in the housing 1, the output of electromagnetic pulse rapping apparatus 9 is connected with force transmission mechanism 10, and force transmission mechanism 10 is connected respectively on airflow-distribution board 1 and the airflow-distribution board 27.Be provided with anode rapping apparatus 11 in the described electric field region 3, the transmission rod 12 of anode rapping apparatus 11 is connected on the airflow-distribution board 38.
Claims (5)
1. electric cleaner airflow-distribution board Multiple Combination device, include housing, housing one side is provided with the air inlet loudspeaker, be provided with in the housing electric field region, two electric field regions and with an electric field region and the corresponding ash bucket of two electric field regions, it is characterized in that: be positioned at the middle position of air inlet loudspeaker in the housing and be hung with airflow-distribution board one, be positioned at the position that the air inlet loudspeaker are connected with housing in the housing and be hung with airflow-distribution board two, the position in the housing between an electric field region and two electric field regions is hung with airflow-distribution board three.
2. a kind of electric cleaner airflow-distribution board Multiple Combination device according to claim 1, it is characterized in that: described airflow-distribution board one, airflow-distribution board two and airflow-distribution board three are arranged in proper order according to combination percent opening separately respectively, and satisfy the relative root-mean-square value that distributes of air-flow in the electric field and all be less than or equal to the requirement of GB.
3. a kind of electric cleaner airflow-distribution board Multiple Combination device according to claim 1, it is characterized in that: be fixed with the electromagnetic pulse rapping apparatus in the described housing, the output of electromagnetic pulse rapping apparatus is connected with force transmission mechanism, and force transmission mechanism is connected respectively on airflow-distribution board one and the airflow-distribution board two.
4. a kind of electric cleaner airflow-distribution board Multiple Combination device according to claim 1, it is characterized in that: be provided with the anode rapping apparatus in the described electric field region, the transmission rod of anode rapping apparatus is connected on the airflow-distribution board three.
5. a kind of electric cleaner airflow-distribution board Multiple Combination device according to claim 1, it is characterized in that: described air inlet loudspeaker are horizontal air inlet loudspeaker or enterprising air horn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110081448 CN102198426B (en) | 2011-03-31 | 2011-03-31 | Multiple combined apparatus for air flow distribution board of electrostatic precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110081448 CN102198426B (en) | 2011-03-31 | 2011-03-31 | Multiple combined apparatus for air flow distribution board of electrostatic precipitator |
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| Publication Number | Publication Date |
|---|---|
| CN102198426A true CN102198426A (en) | 2011-09-28 |
| CN102198426B CN102198426B (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110081448 Expired - Fee Related CN102198426B (en) | 2011-03-31 | 2011-03-31 | Multiple combined apparatus for air flow distribution board of electrostatic precipitator |
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| CN (1) | CN102198426B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416362A (en) * | 2011-12-16 | 2012-04-18 | 江苏科行环境工程技术有限公司 | Air flow uniform distribution device for electric dust remover |
| CN104984826A (en) * | 2015-07-13 | 2015-10-21 | 广西博世科环保科技股份有限公司 | High-temperature electric dust-removing system for flue gas of industrial kilns |
| CN110548596A (en) * | 2019-09-30 | 2019-12-10 | 艾尼科环保技术(安徽)有限公司 | Electrostatic precipitator export dust collection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2795517Y (en) * | 2005-05-31 | 2006-07-12 | 宝山钢铁股份有限公司 | Air flow distributor in large air flow pipeline system |
| CN2827538Y (en) * | 2005-09-29 | 2006-10-18 | 宝山钢铁股份有限公司 | Air damper |
| CN1872385A (en) * | 2005-05-31 | 2006-12-06 | 国电环境保护研究所 | Method for changing electrostatic precipitator in coal-fired power plant to bag type dust catcher |
| CN201572678U (en) * | 2009-09-28 | 2010-09-08 | 江苏中科节能环保技术有限公司 | Air flow distribution device of electric dust remover |
| CN202061710U (en) * | 2011-03-31 | 2011-12-07 | 合肥水泥研究设计院 | Multiple-combination device for airflow distribution plates of electrostatic precipitator |
-
2011
- 2011-03-31 CN CN 201110081448 patent/CN102198426B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2795517Y (en) * | 2005-05-31 | 2006-07-12 | 宝山钢铁股份有限公司 | Air flow distributor in large air flow pipeline system |
| CN1872385A (en) * | 2005-05-31 | 2006-12-06 | 国电环境保护研究所 | Method for changing electrostatic precipitator in coal-fired power plant to bag type dust catcher |
| CN2827538Y (en) * | 2005-09-29 | 2006-10-18 | 宝山钢铁股份有限公司 | Air damper |
| CN201572678U (en) * | 2009-09-28 | 2010-09-08 | 江苏中科节能环保技术有限公司 | Air flow distribution device of electric dust remover |
| CN202061710U (en) * | 2011-03-31 | 2011-12-07 | 合肥水泥研究设计院 | Multiple-combination device for airflow distribution plates of electrostatic precipitator |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416362A (en) * | 2011-12-16 | 2012-04-18 | 江苏科行环境工程技术有限公司 | Air flow uniform distribution device for electric dust remover |
| CN104984826A (en) * | 2015-07-13 | 2015-10-21 | 广西博世科环保科技股份有限公司 | High-temperature electric dust-removing system for flue gas of industrial kilns |
| CN110548596A (en) * | 2019-09-30 | 2019-12-10 | 艾尼科环保技术(安徽)有限公司 | Electrostatic precipitator export dust collection device |
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| CN102198426B (en) | 2013-05-08 |
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Granted publication date: 20130508 Termination date: 20180331 |