Method of recovering heat from hot process gases

Details Method of recovering heat from hot process gases Method of recovering heat from hot process gases

1989-02-24

1991-07-09

Yuen, Henry C.

Liquid heaters and vaporizers

Industrial

Waste heat

110234, 110233, F22D 100

Patent

active

050295560

ABSTRACT:
The invention relates to a method of improving the heat recovery in a waste head boiler, in which gas, produced in high-temperature processes and containing molten and/or solid particles and/or evaporated components, is cooled. In a waste heat boiler, a slowly cooling zone, i.e. a hot "tongue" is generally formed in the gas flow. To improve the cooling of the hot "tongue", gas and/or solid particles and/or vaporizing liquid, such as circulating gas or circulating particles separated from the process and cooled, are introduced into the hot zone or "tongue".

REFERENCES:
patent: 4091748 (1978-05-01), Mansfield
patent: 4242972 (1981-01-01), Sicard

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