CN105195324A - Efficient wet type electric precipitator - Google Patents
Efficient wet type electric precipitator Download PDFInfo
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- CN105195324A CN105195324A CN201510674030.5A CN201510674030A CN105195324A CN 105195324 A CN105195324 A CN 105195324A CN 201510674030 A CN201510674030 A CN 201510674030A CN 105195324 A CN105195324 A CN 105195324A
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- anode tube
- type electric
- dirt pocket
- efficient wet
- negative electrode
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Abstract
The invention discloses an efficient wet type electric precipitator, belongs to the technical field of environmental protection equipment and solves the technical problems that the continuous water consumption of a precipitator is high, a water quality regulating facility is required to be added, the corrosion resistance of an anode tube material is poor and the like in the prior art. The efficient wet type electric precipitator comprises a dust chamber, wherein an exhaust gas outlet is formed in the top of the dust chamber; an exhaust gas inlet and a drain pipe are arranged on the lower side wall of the dust chamber; an anode tube bundle and cathode wires are arranged in the dust chamber; the anode tube bundle is formed by hollow anode tubes side by side, an axis of each anode tube extends in the vertical direction, and the cathode wires penetrate through the anode tubes and coincide with the axes of the anode tubes; a washing system is arranged above the anode tube bundle.
Description
Technical field
The invention belongs to technical field of environment protection equipment, specifically relate to a kind of high-efficient wet-type electric cleaner.
Background technology
At present, board-like wet electrical dust precipitator exist continuous water consumption large, need to install additional the technical problems such as water quality adjustment facility, positive plate material corrosion-resistant, equal flue gas runoff area efficiency of dust collection are low, simultaneously domestic tubular type wet electrical dust precipitator also exist continuous water consumption large, need to install the technical problem such as water quality adjustment facility, anode tube material corrosion-resistant additional, how to reduce water consumption, improve anode tube material corrosion resistance, reduce energy consumption, realize near-zero release and become the technical task being badly in need of solving.
Summary of the invention
Technical problem to be solved by this invention is just to provide a kind of high-efficient wet-type electric cleaner, effectively can reduce water consumption, reduces energy consumption, realizes near-zero release.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: high-efficient wet-type electric cleaner, comprise dirt pocket, described dirt pocket top is provided with exhanst gas outlet, described dirt pocket lower sides is provided with gas approach and drainpipe, anode tube bank and cathode line is provided with in described dirt pocket, described anode tube bank is formed side by side by the anode tube of hollow, the axis of described anode tube vertically extends, described cathode line is inner through anode tube, and the dead in line of described cathode line and anode tube, described anode tube bank top is provided with rinse-system.
Deduster of the present invention, the saturated wet flue gas of desulphurization system enters from gas approach, upwards restrained by anode and discharge via exhanst gas outlet, this deduster utilizes the water in flue gas to be formed at anode tube inwall to conduct electricity moisture film uniformly, when cathode line is discharged, aerosol in flue gas, drop, there is corona charging in dust etc., move with different speed anode pipes and be adsorbed on anode tube inwall, when adsorbing more and more, rely on himself gravity along anode tube inwall slide downward, and discharge via the drainpipe of dirt pocket bottom, so, the flue gas of discharging from exhanst gas outlet is exactly removed aerosol, drop, clean flue gas after the impurity such as dust.Wherein, aerosol mostly is ionic species, and the particle diameter of dust can be < 1 μm.This deduster does not need continuous flushing, and water consumption is low; The flushing water of rinse-system does not need water quality adjustment, and auxiliary device is few, and energy consumption is low; Efficiency of dust collection is high, can realize near-zero release.
Preferably, be provided with negative electrode positioning framework and the spacing framework of negative electrode in described dirt pocket from top to bottom, described cathode line upper end is arranged on negative electrode positioning framework, and described cathode line lower end is connected with the spacing framework of negative electrode.Positioned by negative electrode positioning framework and negative electrode spacing framework target line, ensure the dead in line of cathode line and anode tube.
Preferably, the spacing framework of described negative electrode is provided with spacing ring, described cathode line lower end is hung with ceramic weight, and described ceramic weight is connected with spacing ring.By arranging ceramic weight in cathode line lower end, being connected with spacing ring, ensure that the accurate location of cathode line, ensure that the even of power plant's intensity.
Preferably, described negative electrode positioning framework with between dirt pocket inwall, the spacing framework of described negative electrode is all connected by insulation support device with between dirt pocket inwall, described dirt pocket is connected with plant-grid connection system, and described insulation support device and plant-grid connection system are all connected with hot air apparatus.Hot air apparatus can make insulation support device inside and plant-grid connection system pipeline keep malleation, and all the time higher than dew-point temperature, effectively ensure that insulation, safety.
Preferably, described anode tube bank both sides are connected with dirt pocket inwall by earthing or grounding means.Enrichment electronics is derived by earthing or grounding means and through the earth connection safety pulling device of outer case of dust remover by anode tube bank, effectively ensure that insulation, safety.
Preferably, described anode tube bank below is provided with deflector, and the level height of described deflector is higher than drainpipe.
Preferably, described dirt pocket lower sides is also provided with inspection manhole.When facilitating equipment to stop transport, maintainer is undertaken patrolling, overhauling by inspection manhole access arrangement inside.
Preferably, the external diameter of described anode tube is 250 ~ 400mm, and length is 4 ~ 8m, and its inner wall surface is through roughening treatment.Inner wall surface, after roughening treatment, can make inwall moisture film even, power plant's even intensity.
Preferably, the material of described anode tube is polypropylene flame redardant.Anode tube material corrosion resistance is strong, and maintenance rate is low, long service life.
Preferably, the material of described cathode line is Hastelloy.Hastelloy corrosion resistance is strong, mechanical performance strong, avoids the problem that cathode line comes off, ruptures, corrodes, significantly extends the service life of deduster.
High-efficient wet-type electric cleaner of the present invention, long service life, maintenance rate is low; Being interrupted flushing water does not need modified, and energy consumption is low; Equal specific collection area is few, quick for installation compared with board-like wet-esp floor space; Do not need continuous punching wash water to form moisture film, by control system monitoring voltage, electric current, discontinuity subregion rinses.And modularized production, installation rate is fast, and installation accuracy is high, and efficiency of dust collection is high, Inlet dust concentration 20 ~ 200 ㎎/nm
3, during benchmark oxygen content 6%, efficiency of dust collection can reach 80 ~ 99%, is the key equipment realizing flue gas near-zero release.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Fig. 1 is the structural representation of high-efficient wet-type electric cleaner embodiment 1 of the present invention;
Fig. 2 is the annexation schematic diagram of cathode line and the spacing framework of negative electrode in the present invention.
Detailed description of the invention
As Fig. 1, shown in 2, for the preferred embodiment 1 of high-efficient wet-type electric cleaner of the present invention, comprise dirt pocket, described dirt pocket top is provided with exhanst gas outlet 1, described dirt pocket lower sides is provided with gas approach 6 and drainpipe 7, anode tube bank 4 and cathode line 3 is provided with in described dirt pocket, described anode tube bank 4 is formed side by side by the anode tube 41 of hollow, the axis of described anode tube 41 vertically extends, described cathode line 3 is inner through anode tube 41, and the dead in line of described cathode line 3 and anode tube 41, cathode line 3 upper end is connected with high pressure and seal 2, rinse-system 8 is provided with above described anode tube bank 4.Be provided with deflector 5 below described anode tube bank 4, the level height of described deflector 5 is higher than drainpipe 7.Described dirt pocket lower sides is also provided with inspection manhole 12.When facilitating equipment to stop transport, maintainer is undertaken patrolling, overhauling by inspection manhole 12 access arrangement inside.
Be provided with negative electrode positioning framework 9 and the spacing framework 10 of negative electrode in described dirt pocket from top to bottom, described cathode line 3 upper end is arranged on negative electrode positioning framework 9, and described cathode line 3 lower end is connected with the spacing framework 10 of negative electrode.Positioned by negative electrode positioning framework 9 and negative electrode spacing framework 10 target line 3, ensure the dead in line of cathode line 3 and anode tube 41.
The spacing framework 10 of described negative electrode is provided with spacing ring 101, and described cathode line 3 lower end is hung with ceramic weight 31, and described ceramic weight 31 is connected with spacing ring 101.Pottery weight 31 is cylindrical, by arranging ceramic weight 31 in cathode line 3 lower end, spacing ring 101 on the spacing framework of negative electrode 10 is enclosed within outside ceramic weight 31, particularly, cathode line 3 is connected with negative electrode positioning framework 9 bolt on top, cathode line 3 hangs and passes from each root anode tube 41 central vertical anode tube bank 4, negative electrode positioning framework 9 is arranged in dirt pocket by insulation support device 11, cathode line 3 lower end is hung with ceramic weight 31, spacing ring 101 on the spacing framework of negative electrode 10 is for fixing ceramic weight 31, to ensure the precise positioning of cathode line 3, make anode tube 41 and cathode line 3 from top to bottom all the time true center aim at, the spacing framework 10 of negative electrode is also be arranged in dirt pocket by insulation support device 11.
Described negative electrode positioning framework 9 with between dirt pocket inwall, the spacing framework 10 of described negative electrode is all connected by insulation support device 11 with between dirt pocket inwall, described dirt pocket is connected with plant-grid connection system, described insulation support device 11 is all connected with hot air apparatus with plant-grid connection system, and described anode is restrained 4 both sides and is connected with dirt pocket inwall by earthing or grounding means 2.Hot air apparatus can make insulation support device 11 inside and plant-grid connection system pipeline keep malleation, and enrichment electronics is derived by earthing or grounding means 2 and through the earth connection safety pulling device of outer case of dust remover by anode tube bank 4, and all the time higher than dew-point temperature, all effectively ensure that insulation, safety.
The external diameter of described anode tube 41 is 250 ~ 400mm, and length is 4 ~ 8m, and its inner wall surface is through roughening treatment.The inner wall surface of anode tube 41, after roughening treatment, can make inwall moisture film even, power plant's even intensity.The material of described anode tube 41 is polypropylene flame redardant.Anode tube material corrosion resistance is strong, and maintenance rate is low, long service life.The material of described cathode line 3 is Hastelloy.Hastelloy corrosion resistance is strong, mechanical performance strong, avoids the problem that cathode line comes off, ruptures, corrodes, significantly extends the service life of deduster.
During work, enter dirt pocket by the saturated wet flue gas of desulphurization system through smoke inlet 6, after deflector 5, enter anode tube bank 4, restrain 4 inside pipe walls at anode and form homogeneous conductive moisture film.Flue gas is when anode tube bank 4 is inner, high pressure and seal 2 control cathode line 3 discharge, make the flue gas pollutant main component corona chargings such as the aerosol in flue gas, drop, dust, anode pipe 41 conducts electricity moisture film and moves, and be adsorbed in water film surface, last resort gravity slide downward, enter bottom dirt pocket, and to be expelled in desulfuration absorbing tower (when tower top is arranged) along drainpipe 7 or to enter desulfuration absorbing tower slurry pool (when tower side is arranged), final ultra-clean flue gas enters chimney by exhanst gas outlet 1 and drains into air.Control according to voltage, current monitoring system that rinse-system 8 is interrupted, subregion rinses.In addition, flue gas also can adopt the mode of upper entering and lower leaving to carry out dust removal process.
Through overtesting, the high-efficient wet-type electric cleaner of the present embodiment, its Applicable temperature is between 50 ~ 80 DEG C, and body resistance is between 250 ~ 300Pa, and flue gas flow rate can up to 3 ~ 4.5m/s, operating voltage 40kV ~ 80kV, on average within every 48 ~ 72 hours, rinses once.
The foregoing is only specific embodiments of the invention, but technical characteristic of the present invention is not limited thereto, any those skilled in the art is in the field of the invention, and the change done or modification are all encompassed among the scope of the claims of the present invention.
Claims (10)
1. high-efficient wet-type electric cleaner, comprise dirt pocket, described dirt pocket top is provided with exhanst gas outlet (1), described dirt pocket lower sides is provided with gas approach (6) and drainpipe (7), it is characterized in that: in described dirt pocket, be provided with anode tube bank (4) and cathode line (3), described anode tube bank (4) is formed side by side by the anode tube (41) of hollow, the axis of described anode tube (41) vertically extends, described cathode line (3) is inner through anode tube (41), and the dead in line of described cathode line (3) and anode tube (41), described anode tube bank (4) top is provided with rinse-system (8).
2. high-efficient wet-type electric cleaner according to claim 1, it is characterized in that: negative electrode positioning framework (9) and the spacing framework of negative electrode (10) are from top to bottom installed in described dirt pocket, described cathode line (3) upper end is arranged on negative electrode positioning framework (9), and described cathode line (3) lower end is connected with the spacing framework of negative electrode (10).
3. high-efficient wet-type electric cleaner according to claim 2, it is characterized in that: the spacing framework of described negative electrode (10) is provided with spacing ring (101), described cathode line (3) lower end is hung with ceramic weight (31), and described ceramic weight (31) is connected with spacing ring (101).
4. high-efficient wet-type electric cleaner according to claim 2, it is characterized in that: described negative electrode positioning framework (9) with between dirt pocket inwall, the spacing framework of described negative electrode (10) is all connected by insulation support device (11) with between dirt pocket inwall, described dirt pocket is connected with plant-grid connection system, and described insulation support device (11) and plant-grid connection system are all connected with hot air apparatus.
5. high-efficient wet-type electric cleaner according to claim 1, is characterized in that: described anode tube bank (4) both sides are connected with dirt pocket inwall by earthing or grounding means.
6. high-efficient wet-type electric cleaner according to claim 1, is characterized in that: described anode tube bank (4) below is provided with deflector (5), and the level height of described deflector (5) is higher than drainpipe (7).
7. high-efficient wet-type electric cleaner according to claim 1, is characterized in that: described dirt pocket lower sides is also provided with inspection manhole (12).
8. the high-efficient wet-type electric cleaner according to claim 1 to 7 any one, is characterized in that: the external diameter of described anode tube (41) is 250 ~ 400mm, and length is 4 ~ 8m, and its inner wall surface is through roughening treatment.
9. the high-efficient wet-type electric cleaner according to claim 1 to 7 any one, is characterized in that: the material of described anode tube (41) is polypropylene flame redardant.
10. the high-efficient wet-type electric cleaner according to claim 1 to 7 any one, is characterized in that: the material of described cathode line (3) is Hastelloy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510674030.5A CN105195324A (en) | 2015-10-17 | 2015-10-17 | Efficient wet type electric precipitator |
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| CN201510674030.5A CN105195324A (en) | 2015-10-17 | 2015-10-17 | Efficient wet type electric precipitator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180006021A (en) * | 2016-07-08 | 2018-01-17 | 크린에어테크(주) | Electrical dust precipitator |
| CN106552714B (en) * | 2016-11-07 | 2018-08-17 | 嘉兴市华能环保设备有限公司 | The method for making wet electrical dust precipitator anode tube using nonmetallic materials |
| CN110876984A (en) * | 2019-11-25 | 2020-03-13 | 山东海林环保设备工程有限公司 | Wet-type electric dust remover, anode tube for wet-type electric dust remover and manufacturing method of anode tube |
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| JPS5486879A (en) * | 1977-12-23 | 1979-07-10 | Sanki Eng Co Ltd | Wet type electric dust collector with harmful gas remover |
| JPS61164660A (en) * | 1985-01-18 | 1986-07-25 | Mitsubishi Heavy Ind Ltd | Wet type electric precipitator |
| CN2263751Y (en) * | 1996-12-16 | 1997-10-01 | 张元庆 | Double-efficient electric defroster |
| CN101816975A (en) * | 2010-05-17 | 2010-09-01 | 山东电力研究院 | Wet-dry mixing electric dust remover |
| CN202173989U (en) * | 2011-08-02 | 2012-03-28 | 江苏中兴化工设备有限公司 | Glass reinforced plastic washing-type wet electrostatic precipitator |
| CN204544445U (en) * | 2015-04-22 | 2015-08-12 | 武汉都市环保工程技术股份有限公司 | For the electric dust collector of wet desulfurization flue gas deep purifying |
| CN205020238U (en) * | 2015-10-17 | 2016-02-10 | 嘉兴市华能环保设备有限公司 | High -efficient wet -type electrostatic precipitator |
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2015
- 2015-10-17 CN CN201510674030.5A patent/CN105195324A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5486879A (en) * | 1977-12-23 | 1979-07-10 | Sanki Eng Co Ltd | Wet type electric dust collector with harmful gas remover |
| JPS61164660A (en) * | 1985-01-18 | 1986-07-25 | Mitsubishi Heavy Ind Ltd | Wet type electric precipitator |
| CN2263751Y (en) * | 1996-12-16 | 1997-10-01 | 张元庆 | Double-efficient electric defroster |
| CN101816975A (en) * | 2010-05-17 | 2010-09-01 | 山东电力研究院 | Wet-dry mixing electric dust remover |
| CN202173989U (en) * | 2011-08-02 | 2012-03-28 | 江苏中兴化工设备有限公司 | Glass reinforced plastic washing-type wet electrostatic precipitator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180006021A (en) * | 2016-07-08 | 2018-01-17 | 크린에어테크(주) | Electrical dust precipitator |
| KR101863676B1 (en) | 2016-07-08 | 2018-06-01 | 크린에어테크(주) | Electrical dust precipitator |
| CN106552714B (en) * | 2016-11-07 | 2018-08-17 | 嘉兴市华能环保设备有限公司 | The method for making wet electrical dust precipitator anode tube using nonmetallic materials |
| CN110876984A (en) * | 2019-11-25 | 2020-03-13 | 山东海林环保设备工程有限公司 | Wet-type electric dust remover, anode tube for wet-type electric dust remover and manufacturing method of anode tube |
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