CN104668093A - Device for pressurization and insulator drying in girder of wet electric precipitator - Google Patents
Device for pressurization and insulator drying in girder of wet electric precipitator Download PDFInfo
- Publication number
- CN104668093A CN104668093A CN201510104187.4A CN201510104187A CN104668093A CN 104668093 A CN104668093 A CN 104668093A CN 201510104187 A CN201510104187 A CN 201510104187A CN 104668093 A CN104668093 A CN 104668093A
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- China
- Prior art keywords
- crossbeam
- insulator
- girder
- heater
- ventilation duct
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Abstract
The invention discloses a device for pressurization and insulator drying in a girder of a wet electric precipitator. The device comprises at least one pressurization fan, a differential pressure transmitter, a heater, an air regulator, the girder, an insulator, a mounting seat and a ventilating pipe, wherein the insulator is arranged in the girder, the mounting seat is arranged on the girder, the at least one pressurization fan and the heater are arranged on the mounting seat, an output end of the heater is connected with an input end of the at least one pressurization fan, an output end of the at least one pressurization fan is connected with the girder through the ventilating pipe, the differential pressure transmitter and the air regulator are arranged on the ventilating pipe, and the air regulator of the ventilating pipe is arranged in the girder. Compared with the prior art, the device has the advantages that low-temperature and high-humidity flue gas cannot enter the girder, the girder is prevented from being corroded by acidic gas, the performance of the insulator is improved, and the service life of the insulator is prolonged.
Description
[technical field]
The present invention relates to the technical field of wet electrical dust precipitator, particularly a kind of technical field for the device of supercharging and insulator drying in wet electrical dust precipitator crossbeam.
[background technology]
Coal-burning power plant major part wet electrical dust precipitator higher than local atmospheric pressure, flue-gas temperature lower than 50 DEG C of conditions under run.Crossbeam communicates with wet electrical dust precipitator inside, and the seal welding that simultaneously there is crossbeam may exist leak source, because crossbeam pressure is lower than wet-esp inside smoke environmental pressure, impels inner cryogenic degree, high-humidity flue gas enters crossbeam, and corrode crossbeam.Insulator is positioned at crossbeam, and the position blow-by be connected with suspension rod, cause insulator to work under low temperature, high humidity, affect insulator performance and service life.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, a kind of device for supercharging and insulator drying in wet electrical dust precipitator crossbeam is proposed, low temperature, high-humidity flue gas can be made cannot to enter in crossbeam, prevent crossbeam by sour gas corrosion, and improve insulator performance and service life.
For achieving the above object, the present invention proposes a kind of device for supercharging and insulator drying in wet electrical dust precipitator crossbeam, comprise at least one booster fan, differential pressure transmitter, heater, blast regulator, crossbeam, insulator, mount pad and ventilation duct, insulator is provided with in described crossbeam, described crossbeam is provided with mount pad, described mount pad is provided with booster fan and heater, the output of described heater is connected with the input of booster fan, the output of described booster fan is connected with crossbeam by ventilation duct, described ventilation duct is provided with differential pressure transmitter and blast regulator, described ventilation duct is provided with blast regulator in crossbeam.
As preferably, described ventilation duct is provided with temperature sensor in crossbeam, and described temperature sensor is connected with heater.
As preferably, described ventilation duct is provided with heat-insulation layer.
As preferably, described mount pad is provided with two booster fans.
Beneficial effect of the present invention: the present invention is worked by booster fan, and wind is sent in crossbeam by ventilation duct, the pressure in crossbeam is adjusted by blast regulator and differential pressure transmitter, ensure that the gas pressure of crossbeam inside is higher than wet electrical dust precipitator flue gas environmental pressure, make low temperature, high-humidity flue gas cannot enter in crossbeam, prevent crossbeam by sour gas corrosion, the air of booster fan is entered with heater heating, heater is regulated by temperature sensor, the hot-air of injection can be ensured, and temperature in crossbeam is higher than 80 DEG C, prevent insulator from ftractureing, ensure insulator dry tack free simultaneously, improve insulator performance and service life.
Feature of the present invention and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is a kind of structural representation for the device of supercharging and insulator drying in wet electrical dust precipitator crossbeam of the present invention;
Fig. 2 is a kind of side view for the device of supercharging and insulator drying in wet electrical dust precipitator crossbeam of the present invention.
In figure: 1-booster fan, 2-differential pressure transmitter, 3-heater, 4-blast regulator, 5-crossbeam, 6-insulator, 7-temperature sensor, 8-mount pad, 9-ventilation duct.
[detailed description of the invention]
Consult Fig. 1, 2, a kind of device for supercharging and insulator drying in wet electrical dust precipitator crossbeam of the present invention, comprise at least one booster fan 1, differential pressure transmitter 2, heater 3, blast regulator 4, crossbeam 5, insulator 6, mount pad 8 and ventilation duct 9, insulator 6 is provided with in described crossbeam 5, described crossbeam 5 is provided with mount pad 8, described mount pad 8 is provided with booster fan 1 and heater 3, the output of described heater 3 is connected with the input of booster fan 1, the output of described booster fan 1 is connected with crossbeam 5 by ventilation duct 9, described ventilation duct 9 is provided with differential pressure transmitter 2 and blast regulator 4, described ventilation duct 9 is provided with blast regulator 4 in crossbeam 5, described ventilation duct 9 is provided with temperature sensor 7 in crossbeam 5, described temperature sensor 7 is connected with heater 3, described ventilation duct 9 is provided with heat-insulation layer, described mount pad 8 is provided with two booster fans 1.
The course of work of the present invention:
The present invention is a kind of in the device busy process of supercharging and insulator drying in wet electrical dust precipitator crossbeam, open booster fan 1 and heater 3, heater 3 heating enters the air of booster fan 1, and booster fan 1 injects hot-air in crossbeam 5 by ventilation duct 9; Adjusted the pressure in crossbeam 5 by blast regulator 4 and differential pressure transmitter 2, make crossbeam 5 internal pressure higher than other areal pressure in wet electrical dust precipitator; Heater 3 is regulated by temperature sensor 7, the hot-air of injection can be ensured, and temperature in crossbeam 5 is higher than 80 DEG C, ensure insulator 6 dry tack free, compared with prior art, low temperature, high-humidity flue gas can be made cannot to enter in crossbeam, prevent crossbeam by sour gas corrosion, and improve insulator performance and service life.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, anyly all belongs to protection scope of the present invention to the scheme after simple transformation of the present invention.
Claims (4)
1. the device for supercharging and insulator drying in wet electrical dust precipitator crossbeam, it is characterized in that: comprise at least one booster fan (1), differential pressure transmitter (2), heater (3), blast regulator (4), crossbeam (5), insulator (6), mount pad (8) and ventilation duct (9), insulator (6) is provided with in described crossbeam (5), described crossbeam (5) is provided with mount pad (8), described mount pad (8) is provided with booster fan (1) and heater (3), the output of described heater (3) is connected with the input of booster fan (1), the output of described booster fan (1) is connected with crossbeam (5) by ventilation duct (9), described ventilation duct (9) is provided with differential pressure transmitter (2) and blast regulator (4), described ventilation duct (9) is provided with blast regulator (4) in crossbeam (5).
2. a kind of device for supercharging and insulator drying in wet electrical dust precipitator crossbeam as claimed in claim 1, it is characterized in that: described ventilation duct (9) is provided with temperature sensor (7) in crossbeam (5), described temperature sensor (7) is connected with heater (3).
3. a kind of device for supercharging and insulator drying in wet electrical dust precipitator crossbeam as claimed in claim 1, is characterized in that: described ventilation duct (9) is provided with heat-insulation layer.
4. a kind of device for supercharging and insulator drying in wet electrical dust precipitator crossbeam as claimed any one in claims 1 to 3, is characterized in that: described mount pad (8) is provided with two booster fans (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510104187.4A CN104668093A (en) | 2015-03-10 | 2015-03-10 | Device for pressurization and insulator drying in girder of wet electric precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510104187.4A CN104668093A (en) | 2015-03-10 | 2015-03-10 | Device for pressurization and insulator drying in girder of wet electric precipitator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104668093A true CN104668093A (en) | 2015-06-03 |
Family
ID=53303983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510104187.4A Pending CN104668093A (en) | 2015-03-10 | 2015-03-10 | Device for pressurization and insulator drying in girder of wet electric precipitator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104668093A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106827206A (en) * | 2017-03-22 | 2017-06-13 | 河南鑫海电力设备有限公司 | A kind of insulator mud section dries end liner |
| CN107179787A (en) * | 2016-03-10 | 2017-09-19 | (株)普拉兹马太 | The purging heater control device of electrostatic (electric dust) precipitator |
-
2015
- 2015-03-10 CN CN201510104187.4A patent/CN104668093A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179787A (en) * | 2016-03-10 | 2017-09-19 | (株)普拉兹马太 | The purging heater control device of electrostatic (electric dust) precipitator |
| CN107179787B (en) * | 2016-03-10 | 2019-06-07 | (株)普拉兹马太 | The purging heater control device of electrostatic (electric dust) precipitator |
| CN106827206A (en) * | 2017-03-22 | 2017-06-13 | 河南鑫海电力设备有限公司 | A kind of insulator mud section dries end liner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150603 |