Adjustable stainless steel automatic water supply tank

The utility model discloses an adjustable stainless steel automatic water supply tank which comprises a shell and an inner container, a vacuum heat preservation layer is arranged between the shell and the inner container, an access hole is formed in the top of the shell, a fixing pipe is connected to the bottom of the shell, a water inlet pipe is connected to the top of the side face of the shell, a sealing cover is arranged above the access hole, and a water outlet pipe is connected to one side of the fixing pipe. The side, away from the water inlet pipe, of the side face of the shell is connected with a fixing box, a fan is installed in the fixing box, the bottom of the fixing box is connected with an air inlet pipe, the output end of the fan is connected with an air guide pipe, a filter screen is installed in the air inlet pipe, and a cylinder and an electronic pressure release valve are arranged at the positions, on the two sides of the access hole, of the top of the shell correspondingly. A mounting bloc