Heat treatment system and method using superheated steam as heat transfer carrier

Abstract

The invention provides a heat treatment system and method using superheated steam as a heat transfer carrier. The system comprises a steam boiler, a superheated steam generator and a heat treatment boiler, wherein the steam boiler generates saturated steam having the corresponding relationship of the temperature of 100 DEG C-200 DEG C and the pressure, the superheated steam generator heats the superheated steam with the temperature ranging from 100 DEG C to 200 DEG C to 200 DEG C-1,000 DEG C, the heat treatment boiler is inflated with the superheated steam with the temperature ranging from 200 DEG C to 1,000 DEG C, the inflated superheated steam serves as a heat transfer medium, the steam boiler and the superheated steam generator are both connected with the heat treatment boiler, and the steam boiler is connected with the superheated steam generator. According to the heat treatment system and method using superheated steam as the heat transfer carrier, the application range is enlarged. The saturated steam, the superheated steam and the heat treatment boiler are organically connected into a whole, the low-temperature superheated steam, the medium-temperature superheated steam and the high-temperature superheated steam can be produced, the application range is wide, the temperature rise is fast, and the temperature in the boiler is uniform; and through design of a cyclic recycling system, energy can be saved, and the emission load is reduced to the great extent.

Description

technical field [0001] The invention relates to a heat treatment system and a heat treatment method, in particular to a heat treatment system and a heat treatment method using superheated steam as a heat transfer carrier. Background technique [0002] The so-called superheated steam is obtained by further heating 100°C saturated steam under normal pressure. Traditional superheated steam is produced by a steam boiler. The higher the pressure, the higher the temperature of the superheated steam. The superheated steam at 100°C requires 1 atmosphere, and the superheated steam at 450°C requires 38 atmospheres. Since there is a corresponding relationship between pressure and superheated steam temperature, if high temperature is required in industry, high pressure is required, which brings difficulties to industrial manufacturing and is very unsafe. The application of superheated steam is limited. At present, superheated steam is only used in a small amount in the food industry a...

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Therefore, the application limitations of this prior art solution are very large

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