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Compound heat pipe type GGH (Gas-Gas Heater) heat exchanger

A composite heat pipe and heat exchanger technology, applied in the direction of heat exchanger shell, indirect heat exchanger, heat exchange equipment, etc., can solve the problems of air leakage, ash blocking, short life, etc., to eliminate visual pollution, improve lifting force, The effect of improving temperature

Pending Publication Date: 2017-09-15
王剑
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solve the problems of air leakage, dust blockage, leakage, carrying, large flow resistance and short life of the traditional GGH flue gas heat exchanger

Method used

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  • Compound heat pipe type GGH (Gas-Gas Heater) heat exchanger
  • Compound heat pipe type GGH (Gas-Gas Heater) heat exchanger

Examples

Experimental program
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Effect test

Embodiment Construction

[0016] Reference attached figure 1 , attached figure 2 A composite heat pipe type GGH heat exchanger shown includes a box body 1, a heat pipe support tube plate 2, a composite heat pipe 3, a sandwich partition 4, a pure copper core tube 5, an enameled vertical fin structure carbon steel outer tube 6, The pipe sleeve 7 at the joint of the outer pipe, the shock-absorbing rubber sleeve 8 between the pipe sleeve and the support plate. During assembly and construction, according to the design process, the sandwich partition 4 and the corresponding support tube plate 2 are combined to form a box body 1, the heat pipe core tubes 5, 6 and 7 are combined to form a composite heat pipe 3, and finally the composite heat pipe 2 is assembled into the box body 1 Among them, when assembling the composite heat pipe type, shock-absorbing rubber sleeves 8 are installed in each support tube plate hole, and finally the interlayer partition 4 is filled with sealing material, thus a composite heat...

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PUM

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Abstract

The invention relates to a composite heat pipe type GGH heat exchanger, comprising a composite heat pipe, an interlayer partition between raw flue gas and clean flue gas, a heat pipe supporting tube plate, a tube sleeve, and a shock-absorbing rubber sleeve between the tube sleeve and the supporting tube plate and heat exchanger case. The invention has the beneficial effects of fundamentally solving the problems of air leakage, ash blockage, leakage, carrying, large flow resistance and short service life of the traditional GGH flue gas heat exchanger. Realize energy saving and consumption reduction, effectively improve the net flue gas temperature, increase the lifting force of the chimney, and eliminate the "visual pollution" caused by the "gypsum rain" phenomenon at the chimney outlet.

Description

1. Technical field [0001] The invention relates to the field of waste heat and energy saving by using raw flue gas before desulfurization to heat net flue gas after desulfurization, in particular a compound heat pipe type GGH heat exchanger. 2. Background technology [0002] At present, my country's coal-fired power plants and waste incineration power plants have adopted a desulfurization process in order to reduce air pollution and flue gas emissions. Due to the adoption of this process, first, the original tube-and-tube and rotary GGH heat exchangers have appeared Severe corrosion leaks and bond plugging problems. For the rotary flue gas regeneration GGH heat exchanger commonly used in China, after the flue gas self-desulfurization process, on the one hand, the wind resistance increases due to the clogging of adhering dust, and the energy consumption of auxiliary equipment increases; on the other hand, the rotary GGH heat exchanger Due to its own structural characteristics...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D15/04F28F1/30F28F19/02F28F21/08F28F9/02
CPCF28D15/04F28F1/30F28F9/0229F28F19/02F28F21/08F28F2265/30
Inventor 王建
Owner 王剑
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