FIELD: heating.
SUBSTANCE: invention relates to heat engineering and can be used in gas transport industry, specifically in heating systems of fuel gas. Fuel gas heating system includes fuel gas heater, in which tube bundle for fuel gas is immersed into solution of intermediate heat carrier contained in tank, which is installed inside fuel gas heater. Inserted into tank, there are connected to house-tube heat exchanger inlet and outlet pipelines of intermediate heat carrier, so that all said pipes of intermediate heat carrier, house-tube heat exchanger, and tank form a single circulation circuit of intermediate heat carrier. To house-tube heat exchanger feed and discharge pipelines are connected for heat-extraction water. Feed or discharge pipeline of intermediate heat carrier is equipped with electric pump connected to frequency converter, automatically changing pump RPM depending on signals coming from temperature sensors.
EFFECT: technical result is reduction of power consumption due to usage of secondary low-potential energy sourse as heat-extraction water.
4 cl, 1 dwg, 1 tbl
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