摘要 |
PURPOSE:To eliminate the necessity of rise time of a boiler in an early stage by providing an auxiliary heating device heated by an auxiliary heat source such as midnight power, waste gas and steam, in a steam accumulator. CONSTITUTION:An auxiliary heating device 3 supplied with energy from a heat source 2 such as midnight power, waste gas in a factory and a steam is provided in a steam accumulator 1. When using waste gas and a steam, etc., as a heat source, they are circulated in a pipe 5 laid in a coil shape from a heat source intake part 4 into the steam accumulator 1, and when using midnight power they are similarly heated by an electric heater provided in the steam accumulator. In midnight, etc., when a small quantity of the steam is used, said heating device is heated by making use of midnight power cheap in its fare, or waste gas from a factory, and waste heat, etc., and when a further smaller quantity of the steam is used in midnight after the peak of power consumption, no boiler man is required, enabling an automatic operation to be performed. |