FIELD: drying solid materials.
SUBSTANCE: method comprises cooling the exhaust drying agent, with heating the main heat-transfer agent with the use of the contact heat exchanging, heating the inflowing air from the additional heat-transfer agent in a contact heat exchanger, and heating additional heat-transfer agent from the main heat-transfer agent with the use of the surface heat exchanging. Water is used as the main heat-transfer agent, and oil is used as an additional heat-transfer agent. When cooling the exhaust drying agent, the dust in the heat-transfer agent is removed.
EFFECT: reduced sizes and material consumption.
1 dwg
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