FIELD: non positive displacement pumps.
SUBSTANCE: heat exchanger is made two-circuit. The inlet of the first circuit is in communication with the pipeline for hot oil, and its outlet is in communication with the pipeline for cooled oil. The inlet of the second circuit is connected with the pipeline for cold fuel gas, and its outlet is connected to the pipeline for heated fuel gas. The first and second circuits are interconnected through a pipeline for a buffer liquid. The pipeline for the buffer liquid is provided with a circulation pump and tank. The boiling temperature of the buffer liquid should be less than 100°C. The freezing temperature of the buffer liquid should be less than -55oC, depending on operation conditions.
EFFECT: enhanced efficiency and reliability.
1 dwg
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