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Ⅰ. Integrative non-pressure solar system:
Working principle: Integrative non-pressure solar system is composed of three components --- heat storage water tank, vacuum tube and support, heat absorption of the vacuum tube ---microcirculation---insulating tank---test for control system---users. Take use of the heat absorption of the vacuum tube, maximum realization for the photo-thermal conversation, through microcirculation send the hot water to the insulating tank, and through a dedicated pipeline arrive to the users. The control system sends the tap water to the solar energy through control valve and controller to achieving the automatic control. Auxiliary electric heating is placed in the tank with the function of using in overcast, rain and snow day, saving electricity 90%. Also it has the automatic operation.
