NIGHT-WATCH BOILER FOR REDUCING HEATING COSTS BY USING FIREWOOD, BRIQUETTE AND OIL AND PREVENTING BOILER FROM BEING FROZEN TO BURST

摘要

Purpose: a boiler on night duty is arranged to reduce heat cost and boiler is prevented to be frozen to explosion to use cheap fuel, such as firewood and briquette. Construction: a boiler on night duty includes a boiler body (1), a heating power controller (2), a water level control (3), its level for being used to control heating water, one hot-water supply unit (4), it is used for supply hot water, an oil burner (5), a drawer type firewood power unit (6), a drawer type briquette power unit (7), a circulation motor, it is used for circulating heating water (8), one exhaust apparatus (9) and an air inlet (10). Heating power controller is operated by excessively thermogenetic steam, mixed vapour and extend into the oxygen of air inlet to postpone combustion of wood and briquette.