Stainless steel storage tank for extracting solution

The utility model discloses an extracting solution stainless steel storage tank which comprises a storage tank body, a hot air recycling box and a heating device, the storage tank body is fixedly arranged on the upper portion of a base, and the heating device is arranged in the storage tank body. The heating device comprises an electric heating pipe, a sealing cover, a gas guide bracket, a first gas inlet pipe, a second gas inlet pipe and a steam heating box; the air guide bracket is arranged in the cavity of the storage tank body, and the upper part of the air guide bracket is connected with the sealing cover; one end of the air guide bracket is connected with the steam heating box through a first air inlet pipe and a second air inlet pipe; and the other end of the air guide bracket is connected with a hot air recovery box through a first air outlet pipe and a second air outlet pipe. According to the utility model, the internal central area and the extension area of the storage tank can be simultaneously hea