| 摘要 |
FIELD: water heating and hot-water supply systems, heating of internal spaced of buildings. SUBSTANCE: water-heating multipurpose boiler installation has hot-water heating boiler including gas-burning unit, gas conduit, branch pipes of heating and return water, upper drum that carries hot-water supply system constructed in the form of high-speed water-to-water heater composed of bunches of brass pipes distributed along ends of chamber and arranged in sequence from bottom to top. EFFECT: total usage of heat power of gas-burning unit, reduced cost of generated heat, decreased pressure loss. 2 dwg
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