TRANSPORT PIPELINE Russian patent published in 2015 - IPC B65G53/52 F17D1/18 F16L53/00 F24J3/08 

FIELD: transport.

SUBSTANCE: pipeline comprises sections, shutoff valves and accessories, outer insulation ply and heater connected to heat carrier source Said heater is composed of at least two hearing sections, each being made up of snake-curved pies with heat carrier fluid. Heat source for said heat carrier represents a geothermal heat pipe and heat accumulators located in depth of non-freezing soil ply. Heat pump consists of interconnected compressor, evaporator and throttle. Heat accumulator comprises housing with insulation filled with solid heat-accumulating compound and provided with feed and discharge tubular coils filled with heat carrier. Discharge coil is connected by its ends via valves with appropriate inlet and outlet of heating sections while feed coil is connected by one end with said throttle and by another end with heat pump compressor.

EFFECT: higher reliability and efficiency.

1 dwg