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Flue gas waste heat conduction heat exchange device

A heat exchange device and flue gas waste heat technology, which is applied in the fields of environmental protection and power saving, can solve problems such as difficult dust removal, achieve the effects of protecting equipment and the surrounding environment, improving efficiency, and eliminating low-temperature corrosion

Active Publication Date: 2018-07-10
江苏海德节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Limited by the working mechanism of the electrostatic precipitator, it is difficult for the electrostatic precipitator to remove all the dust in the flue gas

Method used

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  • Flue gas waste heat conduction heat exchange device
  • Flue gas waste heat conduction heat exchange device

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Experimental program
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Embodiment Construction

[0014] The present invention will be further described below in conjunction with accompanying drawing:

[0015] Such as figure 1 , figure 2 , a flue gas waste heat conduction heat exchange device, comprising a boiler air preheater flue inlet end rectangular non-metallic compensator (1), a square channel (2), flue gas inlet 90° rectangular sharp bend (3), Rectangular non-metallic compensator at the inlet end of the heat exchange section (4), rectangular pipe at the heat exchange section (5), low-temperature economizer (6), rectangular pipe at the exhaust section (7), rectangular non-metallic compensator at the tail end of the heat exchange section (8), housing (9), rectangular non-metallic compensator (10) at the inlet end of the dust collector, and the rectangular pipe (11) and deflector (12) connected to the dust collector, and the square channel (2) passes through the flue gas The inlet 90° rectangular sharp bend (3) is connected with the rectangular pipe (5) in the heat ...

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Abstract

A smoke waste heat guiding and heat exchange device is characterized by comprising a boiler air pre-heater flue inlet end rectangular non-metallic compensator (1), a square channel (2), a smoke inlet 90-degree rectangular sharp turn head (3), a heat exchange segment inlet end rectangular non-metallic compensator (4), a heat exchange segment rectangular pipeline (5), low-temperature coal economizers (6), a smoke discharge segment rectangular pipeline (7), a heat exchange segment tail end rectangular non-metallic compensator (8), a shell (9), a dust remover connecting-in end rectangular non-metallic compensator (10), a dust remover connecting rectangular pipeline (11) and guiding plates (12). According to the device, smoke is fully divided through the guiding plates to uniformly flow into the low-temperature coal economizers, the functions of division, guiding and diffusion are achieved, and the effect of recycling waste heat is improved.

Description

technical field [0001] The invention belongs to the fields of electric power energy saving and environmental protection, and in particular relates to a flue gas waste heat conduction heat exchange device. Background technique [0002] At present, the wet desulfurization system basically adopts the "wet flue gas discharge" scheme, and the net flue gas flowing through the desulfurization absorption tower is directly discharged to the atmosphere through the chimney. Since the net flue gas discharged from the desulfurization absorption tower is saturated wet flue gas, when it passes through the downstream flue and chimney, it will condense water and dissolve various acidic substances, causing low-temperature corrosion to the downstream flue and chimney. In addition, due to the sudden drop in temperature of the wet flue gas at the chimney exit, it will quickly condense a large number of liquid droplets near the chimney exit and settle around the chimney. Since the liquid droplets...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23J13/00F23J15/08
CPCF23J13/00F23J15/08F23J2900/13001
Inventor 舒少辛
Owner 江苏海德节能科技有限公司