Operating method of heat pump type steam generating apparatus and heat pump type steam generating apparatus

摘要

PROBLEM TO BE SOLVED: To provide a heat pump type steam generation device capable of controlling a normal operation of a heat pump cycle while maintaining an empty or near empty state in a flow channel of water to be heated.SOLUTION: There is provided a heat pump type steam generation device 1 generating steam by recovering heat of hot water capable of improving temperature rise efficiency of an entire device and of reducing the time for transition to a normal operation by discharging water to be heated through a drain path L60.SELECTED DRAWING: Figure 1