| 摘要 |
FIELD: machine building. ^ SUBSTANCE: heating is performed under conditions, when boiler-house operates under mode of hot water supply and there are made two additional mains for supply of heating water to these objects. The boiler and circulation pump are stopped. Water is drained from section of the additional main to improve metal heating during weld. Fabricated sections of the main are welded before the gate of the direct main and after the gate on the return main. There is opened the gate on the additional main, after the gate on the return main there is opened the gate on the additional main before the gate on the direct main. ^ EFFECT: reduced consumption of gaseous fuel and electric power, improved operation of swimming pools, baths, saunas, drying rooms, dry cleaners at termination of central heating. ^ 1 dwg |
