Double-hemisphere ring softening material layer filler

A hemispherical and loosening technology, applied in heat exchangers, heat exchange equipment, direct contact heat exchangers, etc., can solve the problem that the air supply system cannot provide circulating air volume, the waste heat recovery shaft furnace cannot operate normally, and the high gas flow resistance and other problems, to achieve the effect of easy mass production and maintenance, reduced energy consumption, and reduced gas flow resistance

Pending Publication Date: 2019-03-22
ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC
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Problems solved by technology

Therefore, when using the principle of waste heat recovery shaft furnace to recover the heat of high-temperature granular materials with small porosity and average particle size, high gas flow resistance will be

Method used

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  • Double-hemisphere ring softening material layer filler
  • Double-hemisphere ring softening material layer filler
  • Double-hemisphere ring softening material layer filler

Examples

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[0015] The specific embodiments of the present invention will be further described below in conjunction with the drawings:

[0016] Such as Figure 1-4 As shown, a double hemispherical ring loose material layer packing includes a ring slab beam 3 and a vertical arc slab beam 4; a number of ring slab beams 3 with gradually reduced diameters are arranged longitudinally to form a hemispherical shape. The space is connected and fixed by the vertical arc plate beam 4, and the two hemispheres are connected and fixed back; when in use, the filler is evenly distributed in the high-temperature material solid particles recovered from the gas-solid contact waste heat.

[0017] The material of the ring slab beam 3 and the vertical arc slab beam 4 is steel, iron or iron alloy. Therefore, the double hemispherical ring loose material layer filler 1 composed of the ring plate beam 3 and the vertical arc plate beam 4 has high thermal conductivity and good mechanical properties.

[0018] A method fo...

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Abstract

The invention discloses double-hemisphere ring softening material layer filler which comprises a plurality of annular plate beams and vertical arc plate beams, wherein the annular plate beams with gradually decreased diameters are longitudinally arrayed to form a hemisphere and are connected and fixed through the vertical arc plate beams; and the two hemispheres are connected and fixed back to back. When being used, the filler is uniformly distributed in gas-solid contacted high temperature material solid particles for waste heat recycling. The double-hemisphere ring softening material layer filler is uniformly mixed with the high temperature particles to increase the porosity of the particle material layer, improve the uniformity degree of the porosity of the material layer and reduce thegas circulation resistance of between unit material layers; the double-hemisphere ring softening material layer filler has high thermal conductivity and thermal stability and larger specific surfacearea, so that the heat exchanging efficiency of gas and solid is effectively improved, and the cooling height of the material layer is effectively reduced; and the double-hemisphere ring softening material layer filler is firm in structure, wearproof, simple and practical and can be recycled.

Description

technical field [0001] The invention relates to the field of solid material waste heat recovery, in particular to a double hemispherical ring loosening material layer filler used for gas-solid contact waste heat recovery. Background technique [0002] At present, waste heat recovery shaft furnace is a common gas-solid contact heat transfer equipment, which is widely used because of its high heat transfer efficiency and environmental protection, such as CDQ furnace and sintering shaft furnace. In the waste heat shaft furnace, high-temperature (500-1100°C) solid particles and circulating cooling gas flow in reverse to complete the convective heat exchange process. After heat exchange, the high-temperature gas enters the subsequent section through the exhaust port for waste heat recovery, and the cooled low-temperature (50-200°C) solid particles are discharged from the bottom of the shaft furnace. [0003] The energy consumption of the waste heat recovery shaft furnace mainly ...

Claims

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Application Information

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IPC IPC(8): F28C3/00F28D21/00F28F7/00F28F13/00F28F21/08
CPCF28C3/005F28D21/0001F28F7/00F28F13/00F28F21/082
Inventor 李旭东王满
Owner ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC
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