CN112337650A - Cathode limiting and anti-swing adjusting device of wet-type electric precipitator - Google Patents
Cathode limiting and anti-swing adjusting device of wet-type electric precipitator Download PDFInfo
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- CN112337650A CN112337650A CN202011255296.3A CN202011255296A CN112337650A CN 112337650 A CN112337650 A CN 112337650A CN 202011255296 A CN202011255296 A CN 202011255296A CN 112337650 A CN112337650 A CN 112337650A
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- cathode
- hot air
- limiting
- hot
- adjusting rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/86—Electrode-carrying means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/16—Plant or installations having external electricity supply wet type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses a cathode limiting and anti-swing adjusting device of a wet electric precipitator, which comprises a hot air box, an insulating header, a precipitator body connecting piece, a cathode frame limiting adjusting rod and a cathode frame suspension assembly, wherein the hot air box is arranged on the bottom of the precipitator body connecting piece; the opening part of hot-blast air tank one end is provided with overhauls the end cover board, the opening of the hot-blast air tank other end is linked together with the one end of insulating header, be provided with hot-blast air inlet hole board between hot-blast air tank and the insulating header, be provided with hot-blast import on the hot-blast air tank, the other end of insulating header is connected with dust remover body connecting piece, the one end and the negative pole frame of negative pole frame limit regulation pole suspend the subassembly in midair and be connected, dust remover body connecting piece is passed to the other end of negative pole frame limit regulation pole, insulating header and hot-blast inlet hole board insert in the hot-blast air tank, the device can effectively guarantee wet-type electrostatic precipitator.
Description
Technical Field
The invention relates to an anti-swing adjusting device, in particular to a cathode limiting anti-swing adjusting device of a wet electric precipitator.
Background
The proportion of fine particles is higher in present coal fired boiler flue gas, and wet flue gas desulfurization system is unstable to fine particles's dust collection efficiency, and the large granule liquid drop can only be got rid of to mechanical type defroster, and the desulfurization system of not installing GGH carries the gypsum thick liquid again easily, produces the gypsum rain problem, all can cause the smoke and dust to discharge and exceed standard.
The wet-type electric dust removal technology is widely applied to ultra-low emission reconstruction of coal-fired power plants. The wet electric dust collector is arranged after wet desulphurization, and can effectively remove smoke dust, fog drops and SO carried in the flue gas after wet desulphurization3Acid mist, heavy metals, gypsum slurry, and the like. The working environment of the wet electric dust remover is different from that of electric dust removal. Firstly, the existence of water drops in the working flue gas of the wet electric dust collector influences the electrode discharge, and the surface potential barrier is reduced. After the water covers the metal surface, the electrode discharge effect can be effectively changed, so that corona discharge can be generated at low voltage. Secondly, the specific resistance of the dust can be effectively reduced by combining water drops in the wet flue gas with the dust, so that the working state of the wet electric dust collector is more stable; in addition, the wet electric dust collector adopts waterCleaning, no rapping device, and no secondary dust. The wet type electric dust collector is generally disposed behind the wet desulfurization device for collecting the fine particulate matter PM2.5Acid mist (size of 0.1-0.5 μm), etc., the smoke emission concentration can be less than 5mg/m3And effectively solves the problem of gypsum rain in a wet desulphurization system.
However, wet-type electric dust collectors also have some technical problems to be solved. The cathode system of the vertical tubular wet-type electric dust collector is arranged in a suspension manner. A suspension system at the top of the dust remover provides a load supporting point for the cathode system, and the lower end of the cathode line is pulled by a heavy hammer to keep the cathode line vertical; the lower cathode frame restrains the displacement of each cathode line and the weight in the horizontal direction. But the cathode system can not satisfy the operation requirement only by top suspension, and the cathode system can rock in inside along with operating condition's change, and the cathode system rocks slightly and causes electric field operation parameter to reduce with the volume, and the equipment operation parameter is reduced in the flashover that discharges, still can cause electric field short circuit and puncture when serious and strike sparks. Therefore, the lower end of the cathode system also needs to be fixed in the horizontal direction, and the electrode distance adjustment needs to be carried out in multiple directions during installation, so that the sufficient discharge distance of the cathode fixing device is ensured. Avoid the cathode system to rock during operation, still need simultaneously with equipment body high-pressure insulation, acid-resistant corrosion possesses these several functions simultaneously. Most of the applied wet-type electric dust collectors cannot thoroughly solve the problems, and the technical problems of large fluctuation of operation parameters, low dust collection efficiency, high failure rate and the like exist.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a cathode limiting anti-swing adjusting device of a wet electric dust collector, which can effectively ensure the equipment safety and the operation safety and stability of the wet electric dust collector.
In order to achieve the aim, the cathode limiting and anti-swing adjusting device of the wet electric dust collector comprises a hot air box, an insulating header, a dust collector body connecting piece, a cathode frame limiting adjusting rod and a cathode frame suspension assembly;
the opening part of hot-blast case one end is provided with overhauls the end cover board, the opening of the hot-blast case other end is linked together with the one end of insulating header, be provided with hot-blast air inlet hole board between hot-blast case and the insulating header, be provided with hot-blast import on the hot-blast case, the other end of insulating header is connected with dust remover body connecting piece, the one end and the negative pole frame of negative pole frame limit control pole suspend the subassembly in midair and be connected, the other end that negative pole frame limit control pole passed dust remover body connecting piece, insulating header and hot-blast air inlet hole board insert in the hot-blast case.
The hot air box is connected with the insulation header through a connecting flange.
Still include adjusting bolt, adjusting bolt cup joints on the spacing regulation pole of cathode frame, and adjusting bolt is located the hot-blast gas incasement, through adjusting bolt adjustment cathode frame spacing regulation pole length and angle.
The cathode frame limiting adjusting rod is divided into three sections, wherein the front section and the rear section are metal stainless steel adjustable pull rods, and the middle section is a high-voltage-resistant insulating rod.
The middle section of the cathode frame limit adjusting rod is positioned in the insulating header.
The front section and the rear section of the cathode frame limiting adjusting rod are made of metal acid corrosion resistant materials.
The invention has the following beneficial effects:
when the cathode limiting and anti-swing adjusting device of the wet electric precipitator works, positive-pressure hot air is injected into the hot air box through the hot air inlet, the hot air is guided into the wet electric precipitator in a swirling manner through the hot air box and the hot air inlet hole plate, the surface of the cathode frame limiting adjusting rod is kept at high temperature and dry all the time through the positive-pressure hot air, and water vapor is prevented from being condensed on the cathode frame limiting adjusting rod, so that the insulating property and the corrosion resistance of the cathode frame limiting adjusting rod are effectively improved, meanwhile, the air flow in the hot air box and the insulating header is ensured to flow into the inside of the precipitator all the time, the smoke sealing of the precipitator is realized, and the equipment safety and the operating efficiency of the wet electric.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the overall design layout of the present invention.
Wherein, 1 is an inspection end cover plate, 2 is a hot air box, 3 is a hot air inlet plate, 4 is a cathode frame limit adjusting rod, 5 is an insulation header, 6 is a dust remover body connecting piece, 7 is a hot air inlet, and 8 is a cathode frame suspension assembly.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1 and 2, the cathode limiting and anti-swing adjusting device of the wet electric precipitator of the present invention includes a hot air tank 2, an insulating header 5, a precipitator body connecting member 6, a cathode frame limiting adjusting rod 4, and a cathode frame suspension assembly 8; an overhauling end cover plate 1 is arranged at an opening at one end of the hot air box 2, an opening at the other end of the hot air box 2 is communicated with one end of the insulating header 5, a hot air inlet hole plate 3 is arranged between the hot air box 2 and the insulating header 5, a hot air inlet 7 is arranged on the hot air box 2, the other end of the insulating header 5 is connected with a dust remover body connecting piece 6, one end of a cathode frame limit adjusting rod 4 is connected with a cathode frame suspension component 8, the other end of the cathode frame limit adjusting rod 4 penetrates through the dust remover body connecting piece 6, and the insulating header 5 and the hot air inlet hole plate 3 are inserted into the hot air box 2.
The hot air box 2 is connected with the insulation header 5 through a connecting flange.
The invention also comprises an adjusting bolt which is sleeved on the cathode frame limit adjusting rod 4 and is positioned in the hot air box 2, and the length and the angle of the cathode frame limit adjusting rod 4 are adjusted through the adjusting bolt.
The cathode frame limit adjusting rod 4 is divided into three sections, wherein the front section and the rear section are metal stainless steel adjustable pull rods, and the middle section is a high-voltage-resistant insulating rod; the middle section of the cathode frame limit adjusting rod 4 is positioned in the insulating header 5; the front section and the rear section of the cathode frame limit adjusting rod 4 are made of metal acid corrosion resistant materials.
The hot air inlet plate 3 can fix the stress of the cathode frame limit adjusting rod 4 on the hot air inlet plate 3, and can guide the positive-pressure hot air annular rotational flow into the insulating header 5 along the cathode frame limit adjusting rod 4, so that the cathode frame limit adjusting rod 4 is ensured to be clean and dry, and the accumulated water creepage of the cathode frame limit adjusting rod 4 is avoided being adjusted.
During operation, positive-pressure hot air is injected into the hot air box 2 through the hot air inlet 7, the hot air is guided into the wet electric dust collector in a rotational flow mode through the hot air box 2 and the hot air inlet plate 3, the surface of the cathode frame limiting adjusting rod 4 is kept high-temperature and dry all the time through the positive-pressure hot air, water vapor is prevented from being condensed on the cathode frame limiting adjusting rod 4, the insulating property and the corrosion resistance of the cathode frame limiting adjusting rod 4 are effectively improved, meanwhile, air flows in the hot air box 2 and the insulating header 5 are guaranteed to flow into the dust collector all the time, smoke sealing of the dust collector is achieved, and equipment safety and operation efficiency of the wet electric dust collector are effectively guaranteed.
Claims (8)
1. A cathode limiting and anti-swing adjusting device of a wet electric precipitator is characterized by comprising a hot air box (2), an insulating header (5), a precipitator body connecting piece (6), a cathode frame limiting adjusting rod (4) and a cathode frame suspension assembly (8);
an overhauling end cover plate (1) is arranged at an opening at one end of the hot air box (2), an opening at the other end of the hot air box (2) is communicated with one end of the insulating header (5), a hot air inlet hole plate (3) is arranged between the hot air box (2) and the insulating header (5), a hot air inlet (7) is formed in the hot air box (2), the other end of the insulating header (5) is connected with a dust remover body connecting piece (6), one end of a cathode frame limiting adjusting rod (4) is connected with a cathode frame suspension assembly (8), the other end of the cathode frame limiting adjusting rod (4) penetrates through the dust remover body connecting piece (6), the insulating header (5) and the hot air inlet hole plate (3) and is inserted into the hot air box (2).
2. The cathode limiting and anti-swing adjusting device of the wet electric precipitator according to claim 1, wherein the hot air tank (2) is connected with the insulation header (5) through a connecting flange.
3. The cathode limiting anti-swing adjusting device of the wet electric precipitator according to claim 1, further comprising an adjusting bolt, wherein the adjusting bolt is sleeved on the cathode frame limiting adjusting rod (4), the adjusting bolt is located in the hot air box (2), and the length and the angle of the cathode frame limiting adjusting rod (4) are adjusted through the adjusting bolt.
4. The cathode limit anti-swing adjusting device of the wet electric dust collector as claimed in claim 1, wherein the cathode frame limit adjusting rod (4) is divided into three sections.
5. The cathode limiting and anti-swing adjusting device of the wet electric precipitator according to claim 4, wherein the front and rear sections of the cathode frame limiting adjusting rod (4) are metal stainless steel adjustable pull rods.
6. The cathode limiting and anti-swing adjusting device of the wet electric dust collector as claimed in claim 4, wherein the middle section of the cathode frame limiting adjusting rod (4) is a high-voltage-resistant insulating rod.
7. The cathode limiting and anti-swing adjusting device of the wet electric dust collector as claimed in claim 4, wherein the middle section of the cathode frame limiting adjusting rod (4) is positioned in the insulating header (5).
8. The cathode limit anti-swing adjusting device of the wet electric dust collector as claimed in claim 4, wherein the front and rear sections of the cathode frame limit adjusting rod (4) are made of metal acid corrosion resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255296.3A CN112337650A (en) | 2020-11-11 | 2020-11-11 | Cathode limiting and anti-swing adjusting device of wet-type electric precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255296.3A CN112337650A (en) | 2020-11-11 | 2020-11-11 | Cathode limiting and anti-swing adjusting device of wet-type electric precipitator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112337650A true CN112337650A (en) | 2021-02-09 |
Family
ID=74363401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011255296.3A Pending CN112337650A (en) | 2020-11-11 | 2020-11-11 | Cathode limiting and anti-swing adjusting device of wet-type electric precipitator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112337650A (en) |
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2020
- 2020-11-11 CN CN202011255296.3A patent/CN112337650A/en active Pending
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