| 摘要 |
heating of personal houses. SUBSTANCE: device has round-shaped boiler furnace, which upper part has rectangular shape, two water-heating sections with hollow walls, which are shaped as squares. Inside double walls of sections and furnace device has wall with holes, through which furnace water loop connect to water channel of both water-heating sections. Front side of furnace has two rectangular holes, which are designed for mounting solid fuel or gas combustion equipment. Low front of furnace has hole, which is connected to heating system. Second hole is located on top, which has pipe, for connection to smoke duct. EFFECT: improved heat exchange. 2 cl, 5 dwg
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