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Heat exchange tube and burner with spiral flat tube self-preheating device

A technology of heat exchange tubes and burners, applied in the direction of burners, gas fuel burners, combustion methods, etc., can solve the problems of high exhaust gas temperature, low heat exchange efficiency between flue gas and preheated gas, and increase heat exchange area effect

Inactive Publication Date: 2011-09-14
MCC CAPITAL ENGINEERING & RESEARCH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The invention provides a heat exchange tube and a burner with a self-preheating device for the spiral flat tube to solve the existing problems of low heat exchange efficiency between flue gas and preheated gas and high exhaust gas temperature

Method used

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  • Heat exchange tube and burner with spiral flat tube self-preheating device
  • Heat exchange tube and burner with spiral flat tube self-preheating device
  • Heat exchange tube and burner with spiral flat tube self-preheating device

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Embodiment Construction

[0028] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings.

[0029] Such as figure 1 with image 3 As shown, the heat exchange tube according to the embodiment of the present invention is a twisted spiral flat tube 5 , and the spiral flat tube 5 includes a spiral flat tube main body 51 with a flat tube-shaped cross section. The heat exchange tube of the present invention can be applied to the field of fluid heat exchange, including gas heat exchange, liquid heat exchange and heat exchange between gas and liquid. For example, the present invention can be used in a burner, and can also be used in a heat exchanger in a boiler.

[0030] Such as image 3 As shown, the spiral flat tube 5 also includes a spiral flat tube end 53 connected to the spiral flat tube main body 51 , and the spiral fl...

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PUM

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Abstract

The invention provides a heat exchange tube and a burner with a spiral flat tube self-preheating device. The heat exchange tube is a twisted spiral flat tube; the spiral flat tube comprises a spiral flat tube main body with a flatly tubular section and a spiral flat tube end connected with the spiral flat tube main body; and the section of the spiral flat tube end is round. The burner at least comprises a smoke chamber, and a heat exchange tube which is used for accommodating a gas to be preheated and arranged in the smoke chamber; and the heat exchange tube is the heat exchange tube provided by the invention. The invention is simple in operation, reliable and stable in running, and higher in heat exchange efficiency.

Description

technical field [0001] The invention relates to the field of industrial heating, in particular to a heat exchange tube and a burner with a self-preheating device for the spiral flat tube. Background technique [0002] Self-preheating burners can be used for direct or indirect heating of industrial furnaces, especially heat treatment furnaces. This type of burner uses the flue gas discharged by itself to preheat the combustion air through a compact heat exchange device, which can ensure the control and uniformity of the temperature in the furnace, and is conducive to improving the heating quality of the product. [0003] At present, the self-preheating burner basically adopts a finned heat exchange device, and its material is heat-resistant cast steel or ceramics. The heat exchange device is usually composed of straight heat exchange tubes and fins arranged on the straight tubes. It has a relatively simple structure and a wide range of applications. The effect is better, bu...

Claims

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Application Information

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IPC IPC(8): F28F1/02F28F1/08F23D14/00F23D14/46F23D14/66
CPCY02E20/34
Inventor 孟凡民杨三堂胡文超刘长春江华
Owner MCC CAPITAL ENGINEERING & RESEARCH
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