Water mixing tank

The utility model relates to the field of water tanks, in particular to a mixed water tank, which is characterized in that a reinforcing plate is arranged in a tank body, a plurality of filter screens are arranged on the reinforcing plate, a first lifter is fixedly arranged at the upper end of a top cover, the output end of the first lifter penetrates through the top cover, a positioning seat is fixedly arranged at the output end of the first lifter, and a plurality of filter screens are arranged on the positioning seat. A positioning groove is formed in the positioning seat, a positioning block inserted into the positioning groove is arranged in the middle of the reinforcing plate, water can be added into the tank body through the liquid inlet pipe, water in the tank body can be discharged to a designated position through the liquid discharging pipe, and a filtering effect can be provided for liquid in the tank body through the arranged filter screen; impurities are prevented from blocking in the liquid disc