CN2894850Y - Coal-fired power generation boiler electrostatic precipitation apparatus - Google Patents
Coal-fired power generation boiler electrostatic precipitation apparatus Download PDFInfo
- Publication number
- CN2894850Y CN2894850Y CN 200620023658 CN200620023658U CN2894850Y CN 2894850 Y CN2894850 Y CN 2894850Y CN 200620023658 CN200620023658 CN 200620023658 CN 200620023658 U CN200620023658 U CN 200620023658U CN 2894850 Y CN2894850 Y CN 2894850Y
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- Prior art keywords
- dust
- collecting
- dust collecting
- collecting electrode
- pole
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- 238000005367 electrostatic precipitation Methods 0.000 title description 2
- 238000010248 power generation Methods 0.000 title 1
- 239000000428 dust Substances 0.000 claims abstract description 90
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 239000012717 electrostatic precipitator Substances 0.000 claims description 13
- 238000009834 vaporization Methods 0.000 claims description 7
- 230000008016 vaporization Effects 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 12
- 239000003546 flue gas Substances 0.000 abstract description 12
- 239000011859 microparticle Substances 0.000 abstract description 4
- 238000000746 purification Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 229920000742 Cotton Polymers 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 abstract 1
- 239000003245 coal Substances 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 238000002309 gasification Methods 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000005684 electric field Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Abstract
A coal fired electricity generating boiler possessing static dust-collecting device is provided, which comprises a shell arranged with an air inlet, an air outlet, and a dust-collecting hopper. The interior of the shell is in turn arranged with a humidifying and cooling chamber, a horizontal dust-collecting pole dust-collecting chamber, and a longitudinal dust-collecting pole dust-collecting chamber, wherein, the humidifying and cooling chamber is internally arranged with a water sprayer, gasification barriers, and a guide flow plate, the horizontal dust-collecting pole dust-collecting chamber and longitudinal dust-collecting pole dust-collecting chamber are respectively arranged with a horizontal dust-collecting pole consisting of a pole plate with the plate surface vertical to the air current orientation and a longitudinal dust-collecting pole consisting of the pole plate with the plate surface parallel to the air current orientation and a corona pole; raping devices are respectively matched and arranged on the horizontal dust-collecting pole, the longitudinal dust-collecting pole, and the corona pole, and the longitudinal dust-collecting pole is arranged with an electrode moving type dust-collecting device consisting of a circular cotton tape, a driving axle, and a dust scraper at the back. The utility model adopts the dust-collecting manner combining a plurality of dust-collecting poles and is provided with the humidifying and cooling chamber which can decrease the content of high resistance dust and coarse the micro-particle dust effectively, thereby the dust-collecting efficiency of dust-collecting device can be enhanced greatly and the high requirement for the purification of the discharged flue gas can be satisfied.
Description
Technical field
The utility model relates to industrial flue gas cleaning equipment, is specifically related to a kind of coal-fired electric generation furnace electrostatic precipitator that utilizes corona discharge to capture the discharging exhaust gas dust.
Background technology
Electrostatic precipitator is to utilize corona discharge to make dust charged, lotus electric dust under the effect of electrostatic attraction, captured by collecting electrode, thereby reach the purpose of gas cleaning.Because it is reliable that electrostatic precipitator has, the characteristics of easy to maintenance and good dedusting effect are widely used in coal-fired electric generation furnace.But the electrostatic precipitator that is used for coal-fired electric generation furnace at present, generally adopt the plate face to be parallel to the pole plate of flue gas flow direction as collecting electrode, during the equipment operation, require the flue gas advection to pass through pole plate equably, when the air velocity of the pad-face each point of flowing through and dust concentration are unequal, the arresting efficiency of dust can reduce, and becomes a subject matter that influences the dedusting of electrostatic precipitator high efficiency thus.In addition, the flue-gas temperature that enters deduster is in 130～180 ℃ usually, contains a large amount of high specific resistances that is difficult to capture and microparticle dust in the flue gas, directly captures by pole plate, and also being influences the major reason that the dust arrester efficiency of dust collection improves.Secondly, owing to, when being used for the maximum discharge standard, be difficult to meet the demands by carrying some rapping floating dusts in the waste gas of terminal pole plate.
Summary of the invention
The purpose of this utility model is at the problems referred to above, provide a kind of and can effectively avoid the even harmful effect that dust removing effects is produced of flue gas flow rate, density unevenness, and effectively realize coal-fired electric generation furnace electrostatic precipitator that high specific resistance and microparticle dust are captured.
The purpose of this utility model also is to solve the problem that the rapping floating dust reduces the gas cleaning degree, thereby satisfies the requirement of high standard toxic emission.
The technical scheme that realizes above-mentioned purpose is: a kind of coal-fired electric generation furnace electrostatic precipitator, it includes front upper the housing that air inlet, back set out air port, lower end config set ash bucket is set, and is disposed with humidifying cooling chamber, laterally dust collecting electrode dirt pocket and vertical dust collecting electrode dirt pocket in housing from front to back; In top waterfog head is installed in that humidifying cooling is indoor, is provided with horizontal vaporization grid in the bottom, be provided with the inclination deflector that the humidifying cooling chamber is separated into cup and chamber, back by the rear side of vaporization grid to the top panel of housing corresponding to waterfog head; Laterally be provided with the horizontal dust collecting electrode of forming perpendicular to the pole plate of airflow direction by the plate face in the dust collecting electrode dirt pocket, in vertical dust collecting electrode dirt pocket, be provided with by the plate face and be parallel to vertical dust collecting electrode that the pole plate of airflow direction is formed, be provided with the corona discharge electrode of forming by corona wire with horizontal dust collecting electrode, vertical dust collecting electrode phase configuration respectively at interpolar, be respectively arranged with dust collecting electrode and corona discharge electrode rapping apparatus with horizontal dust collecting electrode, vertical dust collecting electrode and corona discharge electrode phase configuration.
The technical solution of the utility model also comprises: the pole plate of the horizontal dust collecting electrode of described composition is that notch is met the trough plate that air-flow is provided with; In vertical dust collecting electrode dirt pocket, be provided with by annular strap and drive the driving shaft of annular cloth Tape movement and be assemblied in the electrode mobile type dust collector that the deashing scraper plate of annular strap side-lower is formed in the back of vertical dust collecting electrode.
The utlity model has following advantage:
1, adopts horizontal dust collecting electrode and vertically dust collecting electrode combination, utilize preposition transverse collecting plate to overcome the even high wind speed that reaches of flow velocity, density unevenness of flue gas to catching the harmful effect that the dirt effect produces, wind-force by electric field is evenly distributed, and improve vertical dust collecting electrode catch the dirt effect, thereby realized that low electric field energy consumption high efficiency captures the purpose of dust.
2, by front the humidifying cooling chamber is set, makes the ratio resistance and the alligatoring microparticle dust of high-temperature flue gas dust granules in humidifying cooling reduction waste gas, further improved the dust removing effects of dust arrester in the electrostatic precipitation chamber.
3, by disposing annular cloth-belt type electrode mobile type dust collector endways, solve the problem that reduces the gas cleaning degree by the rapping floating dust, can satisfy maximum discharge standard gas cleaning requirement.
Description of drawings
Fig. 1 is this coal-fired electric generation furnace electrostatic precipitator structural representation;
Fig. 2 is the structural representation of horizontal dust collecting electrode;
The specific embodiment
In conjunction with the accompanying drawings the specific embodiment of the present utility model is described.
Provide as accompanying drawing 1, this dust arrester includes box-shaped shell 2, is provided with air inlet 1 in the front of housing in upper position, is provided with air outlet 14 in the back of housing, disposes flue-dust retainer 7 in the lower end of housing.In housing 2, set gradually humidifying cooling chamber 3, horizontal dust collecting electrode dirt pocket 6 and vertical dust collecting electrode dirt pocket 8 from front to back.In humidifying cooling chamber 3, waterfog head 20 is installed in upper position, be provided with in the bottom corresponding to waterfog head and laterally evenly distribute, vertically to set up separately that multilayer and adjacent layer steel bar are staggeredly arranged and the vaporization grid 21 formed by some convex surface steel bars, be provided with the inclination deflector 19 that the humidifying cooling chamber is separated into cup and chamber, back by the rear side of vaporization grid to the top panel of housing.In horizontal dust collecting electrode dirt pocket, be provided with by the plate face perpendicular to airflow direction and the horizontal horizontal dust collecting electrode formed of evenly distributed pole plate 4, in vertical dust collecting electrode dirt pocket, be provided with by the plate face and be parallel to airflow direction and vertical vertical dust collecting electrode of forming of evenly distributed pole plate 9, with horizontal dust collecting electrode and vertically the dust collecting electrode phase configuration be provided with corona wire 18 respectively at interpolar by uniform arrangement, 15 corona discharge electrodes of forming, horizontal dust collecting electrode and vertically the upper end of the lower end of dust collecting electrode and each corona discharge electrode be respectively arranged with dust collecting electrode rapping apparatus 5 and 10 and corona discharge electrode rapping apparatus 17 and 16.In vertical dust collecting electrode dirt pocket, be provided with by annular strap 13 and drive the driving shaft 12 of annular cloth Tape movement and be assemblied in the electrode mobile type dust collector that the deashing scraper plate 11 of annular strap side-lower is formed in the back of vertical dust collecting electrode.
When the utility model was specifically implemented, preferred pole plate 4 was met the trough plate that air-flow is provided with for notch.Every group of horizontal dust collecting electrode can adopt an evenly distributed emissions groove shape pole plate to constitute, also can be as shown in Figure 2, adopt the two row's pole plates that stagger mutually to constitute.
The dust collecting electrode of this dust arrester connects the positive pole of high voltage source, and corona discharge electrode connects the negative pole of high voltage source.Adopting high-frequency oscillating circuits to produce high-frequency and high-voltage becomes the power supply of software feature quasi-steady direct current as dust arrester through voltage multiplying rectifier, and it is operated in below the spark originating point, so that reduce the electric field energy consumption to greatest extent.During the dust arrester operation, the flue gas of dust-laden enters the cup of humidifying cooling chamber 3 from air inlet 1, after the water smoke of shower nozzle 20 ejection falls into steam that vaporization grid 21 form and mixes, enter horizontal dust collecting electrode dirt pocket 6 from chamber behind the humidifying cooling chamber, bottom of deflector 19, entering air-flow in the horizontal dust collecting electrode dirt pocket meets flute profile pole plate 4 backs and forms revolution air-flow songs to by horizontal dust collecting electrode and carry out capture to dust, air-flow enters vertical dust collecting electrode dirt pocket 8 afterwards, through vertical dust collecting electrode the dust in the air-flow is further captured, reach purpose gas cleaning.Dust by the rapping of dust collecting electrode rapping apparatus 5 and 10, falls into flue-dust retainer and is discharged by ash exhauster after being captured by dust collecting electrode.Corona discharge electrode rapping apparatus 17 and 16 is used to keep the clean of corona wire, makes it be in good discharge condition.Pass through the electrode mobile type dust collector at last through horizontal dust collecting electrode and vertical dust collecting electrode flue gas after being purified, particularly finally capture purifying the remaining dust in back, to reach the purpose of high standard discharging flue gas by the rapping floating dust of vertical dust collecting electrode final stage pole plate.Waste gas after being cleaned enters atmosphere by air outlet 14.
This coal-fired electric generation furnace electrostatic precipitator is equally applicable to the purification of other ash-laden gas.
Claims (3)
1, a kind of coal-fired electric generation furnace electrostatic precipitator, include front upper the housing (2) that air inlet (1), back set out air port (14), lower end config set ash bucket (7) is set, it is characterized in that: in housing (2), set gradually humidifying cooling chamber (3), laterally dust collecting electrode dirt pocket (6) and vertical dust collecting electrode dirt pocket (8) from front to back; At the indoor waterfog head (20) that is equipped with in top of humidifying cooling; Be provided with horizontal vaporization grid (21) in the bottom corresponding to waterfog head, be provided with the inclination deflector (19) that the humidifying cooling chamber is separated into cup and chamber, back by rear side to the top panel of housing of vaporization grid; Laterally be provided with the horizontal dust collecting electrode of forming perpendicular to the pole plate (4) of airflow direction by the plate face in the dust collecting electrode dirt pocket, in vertical dust collecting electrode dirt pocket, be provided with by the plate face and be parallel to vertical dust collecting electrode that the pole plate (9) of airflow direction is formed, with horizontal dust collecting electrode and vertically the dust collecting electrode phase configuration be provided with the corona discharge electrode of forming by corona wire (18), (15) respectively at interpolar, be respectively arranged with dust collecting electrode and corona discharge electrode rapping apparatus (5), (10) and (17), (16) with horizontal dust collecting electrode, vertical dust collecting electrode and corona discharge electrode phase configuration.
2, coal-fired electric generation furnace electrostatic precipitator according to claim 1 is characterized in that: described pole plate (4) is met the trough plate that air-flow is provided with for notch.
3, coal-fired electric generation furnace electrostatic precipitator according to claim 1 and 2 is characterized in that: be provided with by the driving shaft (12) of annular strap (13) and the annular cloth Tape movement of drive in vertical dust collecting electrode dirt pocket (8) in the back of vertical dust collecting electrode and be assemblied in the electrode mobile type dust collector that the deashing scraper plate (11) of annular strap side-lower is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620023658 CN2894850Y (en) | 2006-03-03 | 2006-03-03 | Coal-fired power generation boiler electrostatic precipitation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620023658 CN2894850Y (en) | 2006-03-03 | 2006-03-03 | Coal-fired power generation boiler electrostatic precipitation apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN2894850Y true CN2894850Y (en) | 2007-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200620023658 Expired - Fee Related CN2894850Y (en) | 2006-03-03 | 2006-03-03 | Coal-fired power generation boiler electrostatic precipitation apparatus |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979126A (en) * | 2010-11-12 | 2011-02-23 | 大连华锐股份有限公司 | Dust removal system of annular feeder of submerged arc electric furnace |
| CN102658240A (en) * | 2012-05-09 | 2012-09-12 | 孟金来 | Radial flow electro-precipitator and power station boiler dust collector using same |
| CN102909131A (en) * | 2012-11-12 | 2013-02-06 | 北京市中环博业环境工程技术有限公司 | High-voltage electrostatic dust remover end equipment for capturing mote |
| CN103240181A (en) * | 2013-05-08 | 2013-08-14 | 武汉景弘环保科技股份有限公司 | Net mobile electrostatic precipitator of dust collecting electrode, and dust collecting method |
| CN103464285A (en) * | 2013-09-30 | 2013-12-25 | 福建龙净环保股份有限公司 | Electric dust collector |
| CN106238210A (en) * | 2016-09-26 | 2016-12-21 | 武汉科技大学 | A kind of wet type porous roller shutter electrostatic precipitator |
| CN108246505A (en) * | 2018-03-12 | 2018-07-06 | 中国华电科工集团有限公司 | A kind of small-sized efficient tube-type esp |
| CN108362145A (en) * | 2018-03-01 | 2018-08-03 | 山东大学 | A kind of flue gas waste heat recovery heat pipe and flue gas multiple pollutant processing system and method |
| CN108387124A (en) * | 2018-03-01 | 2018-08-10 | 山东大学 | A kind of water fog charge coupling particle modified synergistic electrostatic precipitation system of heat pipe and coordinated desulfurization wastewater treatment |
| CN108722668A (en) * | 2017-04-14 | 2018-11-02 | 浙江菲达环保科技股份有限公司 | A kind of regulating temperature and humidity screening electric precipitator |
| CN114522803A (en) * | 2022-04-24 | 2022-05-24 | 浙江百能科技有限公司 | Reverse multistage vortex dust removal system |
-
2006
- 2006-03-03 CN CN 200620023658 patent/CN2894850Y/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101979126B (en) * | 2010-11-12 | 2012-08-22 | 大连华锐重工集团股份有限公司 | Dust removal system of annular feeder of submerged arc electric furnace |
| CN101979126A (en) * | 2010-11-12 | 2011-02-23 | 大连华锐股份有限公司 | Dust removal system of annular feeder of submerged arc electric furnace |
| CN102658240A (en) * | 2012-05-09 | 2012-09-12 | 孟金来 | Radial flow electro-precipitator and power station boiler dust collector using same |
| CN102658240B (en) * | 2012-05-09 | 2015-07-22 | 孟金来 | Radial flow electro-precipitator and power station boiler dust collector using same |
| CN102909131A (en) * | 2012-11-12 | 2013-02-06 | 北京市中环博业环境工程技术有限公司 | High-voltage electrostatic dust remover end equipment for capturing mote |
| CN103240181A (en) * | 2013-05-08 | 2013-08-14 | 武汉景弘环保科技股份有限公司 | Net mobile electrostatic precipitator of dust collecting electrode, and dust collecting method |
| CN103240181B (en) * | 2013-05-08 | 2016-01-20 | 武汉景弘环保科技股份有限公司 | A kind of netted mobile dust collector pole electric cleaner and dust collection method |
| CN103464285B (en) * | 2013-09-30 | 2017-02-15 | 福建龙净环保股份有限公司 | Electric dust collector |
| CN103464285A (en) * | 2013-09-30 | 2013-12-25 | 福建龙净环保股份有限公司 | Electric dust collector |
| CN106238210A (en) * | 2016-09-26 | 2016-12-21 | 武汉科技大学 | A kind of wet type porous roller shutter electrostatic precipitator |
| CN106238210B (en) * | 2016-09-26 | 2017-08-25 | 武汉科技大学 | A kind of porous roller shutter electrostatic precipitator of wet type |
| CN108722668A (en) * | 2017-04-14 | 2018-11-02 | 浙江菲达环保科技股份有限公司 | A kind of regulating temperature and humidity screening electric precipitator |
| CN108362145A (en) * | 2018-03-01 | 2018-08-03 | 山东大学 | A kind of flue gas waste heat recovery heat pipe and flue gas multiple pollutant processing system and method |
| CN108387124A (en) * | 2018-03-01 | 2018-08-10 | 山东大学 | A kind of water fog charge coupling particle modified synergistic electrostatic precipitation system of heat pipe and coordinated desulfurization wastewater treatment |
| CN108362145B (en) * | 2018-03-01 | 2019-03-29 | 山东大学 | A kind of flue gas waste heat recovery heat pipe and flue gas multiple pollutant processing system and method |
| CN108246505A (en) * | 2018-03-12 | 2018-07-06 | 中国华电科工集团有限公司 | A kind of small-sized efficient tube-type esp |
| CN114522803A (en) * | 2022-04-24 | 2022-05-24 | 浙江百能科技有限公司 | Reverse multistage vortex dust removal system |
| CN114522803B (en) * | 2022-04-24 | 2022-09-16 | 浙江百能科技有限公司 | Reverse multistage vortex dust removal system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING ZHONGHUAN BOYE ENVIRONMENTAL ENGINEERING T Free format text: FORMER OWNER: ZHANG JIEXUAN Effective date: 20121108 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 066000 QINHUANGDAO, HEBEI PROVINCE TO: 066300 QINHUANGDAO, HEBEI PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20121108 Address after: 310, room 123, Heping building, Heping Avenue, Qinhuangdao District, Hebei, 066300 Patentee after: Beijing Zhonghuan Boye Environmental Engineering Technology Co.,Ltd. Address before: 066000, No. 3, No. 5, Donghua residential quarter, Qinhuangdao, Hebei Patentee before: Zhang Jiexuan |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070502 Termination date: 20150303 |
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| EXPY | Termination of patent right or utility model |