Automatic water feed evacuating and pressurizing device and using method thereof
A technology of emptying, pressurizing, and automatic water supply, applied in heating devices, solar thermal devices, solar thermal power generation, etc., can solve the problems of solar water heaters that cannot be shared between automatic water supply and emptying, unstable water pressure, and user inconvenience. , to achieve the effect of facilitating promotion and sales, avoiding damage and cracking, and having a simple structure
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[0020] The present invention will be further described below in conjunction with the drawings.
[0021] Specific embodiments, such as figure 1 , figure 2 As shown, an automatic water filling, emptying and pressurizing device includes a water tank 1 and a water pipe 2. The bottom of the water tank 1 is fixedly connected to the water pipe 2, and the upper surface of the water tank 1 is provided with an exhaust through hole, which is arranged on the roof 11 The solar water heater is supported by a bracket 10. The key is: it also includes a control instrument 3, a booster pump 4, a water temperature and level sensor 5, a first solenoid valve 6, a second solenoid valve 7 and an emptying control switch 8. The control The meter 3 is an automatic emptying and pressurization controller. The water tank 1 is provided with a lower-mounted water temperature and water level sensor 5, and the bottom of the water tank 1 and the water pipe 2 are connected with a booster pump 4. The rated voltag...
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