FIELD: energy saving technology of gas transportation; automatic control system of transportation of gas by gas mains. SUBSTANCE: compressed gas flow is cooled at compressor station outlet by means of thermal pumps; automatic control of capacity of thermal pumps by means of control device in function of difference of present magnitudes of temperatures of gas line pipe and ground at depth of laying its section minimizes temperature deformation of gas line, thus enhancing its operation reliability. Heat taken by thermal pumps is transferred to heat receiver whose energy is consumed for heating services of compressor stations and nearest objects of infrastructure. EFFECT: enhanced reliability. 1 dwg
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