Laboratory ultrapure water equipment

The utility model belongs to the technical field of ultrapure water equipment. The invention relates to equipment, in particular to laboratory ultrapure water equipment. The device comprises a treatment box and a water pump, a filter box is reserved in the treatment box; a liquid inlet is formed in the upper part of the filter box; a first filter plate is mounted in the filter box; the water pumpis mounted in the middle of the treatment box; the outer side of the water pump is connected with one end of a liquid conveying pipe; a filtering pipe is arranged at the other end of the liquid conveying pipe; a fixed block is embedded in the outer side of the filter pipe; and a fixing plate is fixed to the end of the fixing block, a second filter plate penetrates through the interior of the filter pipe, a limiting groove is formed in the outer side of the second filter plate, a first sealing gasket is attached to the inner wall of the second filter plate, a sealing valve is installed in the liquid discharging pipe, a