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Anti-corrosion induced draft fan heating device

A technology of heating device and induced draft fan, applied in lighting and heating equipment, etc., can solve the problems of reducing running time, shortening running life, easy to be corroded, etc., and achieve the effect of safe and stable operation, prolonging service life and reducing dust accumulation.

Inactive Publication Date: 2015-04-29
SHANGHAI DAZHONG XIANGYUAN POWER SUPPLY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] During the operation of the boiler, the high-temperature flue gas discharged from the boiler will be processed into clean high-temperature gas through the flue into the smoke eliminator and dust collector, and then enter the induced draft fan through the flue, but the induced draft fan will be sucked into the smoke eliminator and dust collector The unremoved water vapor makes the water vapor adhere to the impeller of the induced draft fan, which causes the impeller of the induced draft fan to accumulate dust and is easy to be corroded, shortens the operating life, reduces the operating time, and causes the induced fan to vibrate, affecting the safe operation of the boiler

Method used

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  • Anti-corrosion induced draft fan heating device

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Embodiment

[0014] Such as figure 1 As shown, a corrosion-resistant induced draft fan heating device includes an economizer 1, a first flue 2, a smoke and dust collector 6, a second flue 5, an induced draft fan auxiliary cylinder 7 and an induced draft fan 8 connected in sequence. The smoke exhaust device also includes a hot air pipe 3 and a hot air pipe damper regulating valve 4 arranged on the hot air pipe 3. One end of the hot air pipe 3 communicates with the first flue 2, and the other end communicates with the second flue 5. connected.

[0015] A hot air pipe 3 is connected to the flue behind the boiler economizer 1, bypassing the smoke and dust collector 6 and directly connected to the second flue 5. Use the waste heat of the flue gas at the tail of the boiler to directly wash the impeller of the induced draft fan 8, so that the water vapor sucked by the induced draft fan 8 evaporates quickly, and reduce the dust accumulation and corrosion of the impeller. The smoke and dust colle...

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Abstract

The invention relates to an anti-corrosion induced draft fan heating device, which is connected with an induced draft fan (8). The heating device comprises a coal economizer (1), a first flue (2), a smoke abatement and dust removal device (6), a second flue (5) and an auxiliary barrel (7) of the induced draft fan, wherein the coal economizer (1), the first flue (2), the smoke abatement and dust removal device (6), the second flue (5) and the auxiliary barrel (7) of the induced draft fan are successively connected; the auxiliary barrel (7) of the induced draft fan is connected with the induced draft fan (8). The heating device also comprises a hot air duct (3), wherein one end of the hot air duct (3) is communicated with the first flue (2), and the other end of the hot air duct (3) is communicated with the second flue (5). Compared with the prior art, the anti-corrosion induced draft fan heating device has the advantages of safety, reliability and the like, and the service life of the induced draft fan is prolonged.

Description

technical field [0001] The invention relates to a heating device for an induced draft fan, in particular to a heating device for a corrosion-resistant induced draft fan. Background technique [0002] During the operation of the boiler, the high-temperature flue gas discharged from the boiler will be processed into clean high-temperature gas through the flue into the smoke eliminator and dust collector, and then enter the induced draft fan through the flue, but the induced draft fan will be sucked into the smoke eliminator and dust collector The unremoved water vapor makes the water vapor adhere to the impeller of the induced draft fan, which causes the impeller of the induced draft fan to accumulate dust and is easy to be corroded, shortens the operating life, reduces the operating time, and causes the induced fan to vibrate, affecting the safe operation of the boiler . Contents of the invention [0003] The object of the present invention is to provide a safe and reliabl...

Claims

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Application Information

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IPC IPC(8): F23J15/00
Inventor 迮产明孙斌谭军
Owner SHANGHAI DAZHONG XIANGYUAN POWER SUPPLY
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