In the regions of the Far North, the surface method of pipeline laying is becoming increasingly widespread, having a number of advantages compared with laying pipes in perennially frozen ground. To protect pipelines from freezing, cold water pipelines are laid in common insulation with one or more pipelines transporting hot water. Solving the problem of temperature distribution along the length of pipelines placed in common insulation, taking into account their heat exchange with each other and with the environment through the insulation, is of significant interest both for the mining enterprise as a whole and for heat supply organizations.

The calculation and adjustment of regulators, as well as the choice of optimal modes of operation of thermotechnical facilities (mine air-heating units, boiler houses, heat and water supply systems of mines, settlements, and cities) are determined by the atmospheric air temperature. ...