CN204583481U - A kind of wet scrubber that can clean collecting electrode - Google Patents
A kind of wet scrubber that can clean collecting electrode Download PDFInfo
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- CN204583481U CN204583481U CN201520278590.4U CN201520278590U CN204583481U CN 204583481 U CN204583481 U CN 204583481U CN 201520278590 U CN201520278590 U CN 201520278590U CN 204583481 U CN204583481 U CN 204583481U
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- collecting electrode
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- dust
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Abstract
The wet electrical dust precipitator of clean collecting electrode, comprises dust-filtering system, housing, spray system, and in housing, accumulation area collecting electrode is being parallel to the many rows of flue gas approach axis staggered parallel arrangement successively; Described collecting electrode by the forming of multiple metal, rod-shaped anode of spaced set on the same line, the upper end of many tier poles shape metal anode is arranged on housing; Be provided be enclosed within multiple metal, rod-shaped anode and slidable orifice plate as the device of clean collecting electrode.The utility model provide one can high-effective dust-removing, PM2.5 clearance high, make electrode collect wet, viscosity, medium that is inflammable and explosive or that have a high resistivity more easily peels off, windage is low.
Description
Technical field
The utility model relates to a kind of wet scrubber and collecting electrode thereof., especially can clean the wet scrubber of collecting electrode.
Background technology
Wet electrical dust precipitator has many advantages, grow up on the basis overcoming Water spray dust remover and electrostatic precipitator drawback, its operation principle and common deduster similar, relate generally to that suspended particles are charged, charged particle moves and traps in electric field, and thing will be trapped removed these three basic processes from dust arrester surface.This process is roughly: be transported in deduster electric field by the gentle flow point distribution system of air inlet by dust-laden coal gas, and water then sprays in vaporific under the effect of nozzle, and wherein nozzle is configured in the top of air inlet and electric field simultaneously.At the intake section of deduster, the dust in dust-laden coal gas can collide with water smoke, and drops in the form of granules in ash bucket.Wet-electric duster run three phases identical with dry type ESP-charged, collection and deashing.What wet electrical dust precipitator WESP adopted is that liquid wash dust collecting electrode surface is to carry out deashing.Wet electrical dust precipitator feature is: take up an area little, small investment, easy and simple to handle, running cost is low; Efficiency of dust collection is high, crushing is low, can adapt to any coal, without reentrainment of dust; Wet electric dust-removing technology is applicable to the situation that dry method electric precipitation does not use, and it is specially adapted to collect wet, viscosity, inflammable and explosive or have the medium of high resistivity.Substantially solve the problem that wet desulphurization brings, effectively can remove acid mist, remove the heavy metals such as SO3 aerosol, NH3 aerosol (ammonia process of desulfurization), fine drop, mercury, slow down chimney corrosion; Save anticorrosion cost, it is stable and reliable for performance, efficiency is high.
From treatment effect relatively, Wet-electric duster is compared with dry electric precipitation, bag-type dusting, and electric cleaner effect is more efficient and comprehensive in a wet process.Wet-electric duster technology is applicable to the inapplicable situation of dry method electric precipitation, and it is specially adapted to collect wet, viscosity, inflammable and explosive or have the medium of high resistivity.PM2.5 clearance 75-93%, and other dedusting method clearance is unstable.But the electrode of existing wet electrical dust precipitator and key thereof still needs to improve, make electrode collect wet, viscosity, medium that is inflammable and explosive or that have a high resistivity more easily peels off, and do not affect liquid wash.But the clean of collecting electrode there is no particularly preferred method and apparatus, the main water that adopts rushes or vibratory drilling method at present, water jetting is not easy totally, and (a lot of unit uses the high-pressure spray of high-pressure pump generation, this device operates very complicated, also be not easy to clean angle, electrode flanging corner), vibratory drilling method is large on the impact on parts, easily makes equipment produce fault.
Utility model content
The utility model object is, proposes a kind of wet scrubber that can clean collecting electrode, makes electrode collect wet, viscosity, medium that is inflammable and explosive or that have a high resistivity more easily peels off, keep the high efficiency of wet scrubber work.
The technical solution of the utility model is, can clean the wet electrical dust precipitator of collecting electrode, comprise dust-filtering system, housing, spray system, and in housing, accumulation area collecting electrode is being parallel to the many rows of flue gas approach axis staggered parallel arrangement successively; Described collecting electrode by the forming of multiple metal, rod-shaped anode of spaced set on the same line, the upper end of many tier poles shape metal anode is arranged on housing; Be provided be enclosed within multiple metal, rod-shaped anode and slidable orifice plate as the device of clean collecting electrode.
Further, the cross section of metal, rod-shaped anode is oval, and oval major axis is parallel with flue gas approach axis.
The course of work of the present utility model is as following, and the spray head of spray system is placed in housing top, and often the adjacent collecting electrode of row row all arranges spray head.The surrounding post surface of the even sprinkling collecting electrode of spray head.
The beneficial effects of the utility model: provide one can high-effective dust-removing, PM2.5 clearance high, dedusting method clearance is stablized.Make electrode collect wet, viscosity, medium that is inflammable and explosive or that have a high resistivity more easily peels off, and do not affect liquid wash, when the utility model sprays, can pure wet dust removal be carried out simultaneously.Working stability, low-cost production.The utility model wet electrical dust precipitator in use medium that is inflammable and explosive or that have a high resistivity more easily peels off, and windage is low.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is the apparatus structure schematic diagram that the utility model cleans collecting electrode.
Detailed description of the invention
As shown in the figure, in Fig. 1 the cross-sectional structure of spray head position mainly spray head and collecting electrode in the distribution of cross section.In housing, accumulation area collecting electrode is being parallel to the many rows of flue gas approach axis staggered parallel arrangement successively; Namely the 1st, 3,5,7 rows are complete arrangements parallel to each other, and the 2nd, 4,6,8 rows are complete arrangements parallel to each other; And the 2nd come the 1st, 3 row between be staggered.Be provided be enclosed within multiple metal, rod-shaped anode and slidable orifice plate 6 as the device of clean collecting electrode.The outlet of mud and water is active structure, and a sealant 8 is arranged at the outlet top of mud and water, is provided with a keyhole below orifice plate; Can orifice plate be enclosed within electrode after removing the outlet of mud and water, be inserted in the keyhole 7 on orifice plate by the head knee of a straight-bar, then move up and down orifice plate and take out stains.
Orifice plate can be some pieces, covers all electrode stems, and orifice plate can be macromolecular material plate (with the material compared with heatproof, as materials such as poly-phenolic aldehyde or polyphenylene sulfides).
The utility model wet electrical dust precipitator, flue gas enters in housing 2, housing through dust-filtering system again and installs vertical collecting electrode 1, the spray head 3 of spray system, spray head 3 spray liquid is ejected to minimum four collecting electrodes 1, the outlet 5 of transmission of electricity and spray liquid transfer pipeline 4, mud and water.In housing, accumulation area collecting electrode is being parallel to the many rows of flue gas approach axis staggered parallel arrangement successively; The cross section of metal, rod-shaped anode is circular or oval, and oval major axis is parallel with flue gas approach axis.The cross section of metal anode is 9-25cm
2better, front face area is little.The utility model windage is little, not easily produces difficult fouling of rinsing.
Described collecting electrode by the forming of multiple metal, rod-shaped anode of spaced set on the same line, DC voltage inputs many tier poles shape metal anode from upper end, many tier poles shape metal anode is arranged on housing upper end, or by plastic tray, the lower end of many tier poles shape metal anode is held up, there is a space with the base plate of housing, be convenient to make electrode to collect wet, viscosity, medium that is inflammable and explosive or that have a high resistivity more easily shells outflow.Many tier poles shape metal anode all adopts metallic copper or copper alloy preparation.
Claims (2)
1. the wet electrical dust precipitator of clean collecting electrode, is characterized in that comprising dust-filtering system, housing, spray system, and in housing, accumulation area collecting electrode is being parallel to the many rows of flue gas approach axis staggered parallel arrangement successively; Described collecting electrode by the forming of multiple metal, rod-shaped anode of spaced set on the same line, the upper end of many tier poles shape metal anode is arranged on housing; Be provided be enclosed within multiple metal, rod-shaped anode and slidable orifice plate as the device of clean collecting electrode.
2. wet electrical dust precipitator according to claim 1, it is characterized in that the outlet of mud and water is active structure, a sealant is arranged at the outlet top of mud and water, is provided with a keyhole below orifice plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520278590.4U CN204583481U (en) | 2015-04-30 | 2015-04-30 | A kind of wet scrubber that can clean collecting electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520278590.4U CN204583481U (en) | 2015-04-30 | 2015-04-30 | A kind of wet scrubber that can clean collecting electrode |
Publications (1)
| Publication Number | Publication Date |
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| CN204583481U true CN204583481U (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520278590.4U Active CN204583481U (en) | 2015-04-30 | 2015-04-30 | A kind of wet scrubber that can clean collecting electrode |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111655378A (en) * | 2018-01-15 | 2020-09-11 | 三菱日立电力系统环保株式会社 | Electric dust collector |
-
2015
- 2015-04-30 CN CN201520278590.4U patent/CN204583481U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111655378A (en) * | 2018-01-15 | 2020-09-11 | 三菱日立电力系统环保株式会社 | Electric dust collector |
| US11484890B2 (en) | 2018-01-15 | 2022-11-01 | Mitsubishi Heavy Industries Power Environmental Solutions, Ltd. | Electrostatic precipitator |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |