Water tank and emptying devices of household solar hot -water heating system

The utility model relates to a water tank and emptying devices of household solar hot -water heating system, including the evacuation pipe of dress in the water tank, the last port of evacuation pipe is stretched out water tank, is linked to each other with water tank business turn over water pipe, at the intraductal screw rod that is equipped with motor drive of evacuation, is equipped with the impeller that absorbs water on the screw rod, be equipped with evacuation mechanism on the evacuation pipe. The utility model discloses a water is passed in and out on making the water tank to evacuation pipe, and the design is perfect, and is rational in infrastructure, on the intraductal screw rod of evacuation and absorb water the impeller as power, can overcome in the pipeline all U type problem of bending, goes out hot water rapidly, and evacuation mechanism utilizes the gravity principle can make the automatic evacuation rapidly of water in the pipeline, not frost crack in winter, and one division of device has hot water, also improves the use of solar energy greatly simultaneously and rates, has the power saving, and the installation is simple, and convenient to use is not fragile, advantage such as with low costs.