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Composite heat storage body

A regenerative body and composite technology, which is applied in the direction of gas fuel burners, lighting and heating equipment, combustion methods, etc., can solve the problems of increased operating costs, high prices, and high cost of regenerative bodies, so as to improve heating uniformity , Increase heat content, shorten heat storage time

Inactive Publication Date: 2016-01-06
刘芳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the high cost of the heat storage body made of ceramics makes the price high, and it is still a consumable, which will increase the operating cost

Method used

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  • Composite heat storage body
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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0020] The compound heat accumulator of the present invention will be further described in detail through specific examples below.

[0021] The composite regenerator includes a regenerator body 1, the cross section of which is a double-layer structure, the inner layer is steel alloy 2, and the outer layer is high alumina 3 (ceramic). Such as figure 1 As shown, the heat storage body body 1 is spherical. The thickness of the outer layer of the regenerator body 1 is greater than 1 mm, and the thickness of the outer layer is between 5% and 30% of the radius of the sphere. Such as figure 2 As shown, the heat storage body body 1 is in the shape of a grid. The thickness of the outer layer of the heat storage body 1 is greater than 1 mm, and the thickness of the outer layer is not higher than 150% of the thickness of the inner layer.

[0022] When the heat storage body is spherical:

[0023] When the regenerative burner adopts a spherical composite regenerator, the appropriate d...

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Abstract

The invention relates to a combined heat accumulator. The combined heat accumulator comprises a heat accumulator body, wherein the cross section of the heat accumulator body is of a double-layer structure, the inner layer is made of steel alloy, and the outer layer is made of high alumina. The heat accumulator is arranged in a heat accumulating type combustor used in industrial combustion equipment. Compared with an existing heat accumulator, the combined heat accumulator has the advantages that heat accumulation and heat release speeds can be improved, heat accumulation capacity can be increased, heat accumulation time can be shortened, the compaction rate of the heat accumulator can be reduced, the overall size of a heat accumulation part can be reduced, damage rate can be reduced, and initial cost and replacement cost can be substantially reduced.

Description

technical field [0001] The invention relates to a heat storage body in a heat storage burner used in industrial combustion equipment. Background technique [0002] The regenerative burner efficiently recovers the sensible heat in the combustion tail gas and preheats the combustion air. Existing regenerative burners are usually filled with regenerative bodies inside, and most of the regenerative bodies are made of high alumina (A1 2 0 3 ) as the main component of ceramic materials. However, compared with iron-based copper alloys, high alumina has a small heat capacity and low thermal conductivity, so its performance as a heat storage body is relatively low. Therefore, as a heat storage body for a regenerative burner, if When ceramic balls (spherical heat storage body) or honeycomb body (lattice heat storage body) are used, the capacity of the heat storage part must be designed to be large in order to ensure heat storage. The capacity of the heat storage part is designed t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23D14/66
CPCY02E20/34
Inventor 刘芳
Owner 刘芳
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