Liquid waste collection device for liquid chromatograph

The utility model relates to an instrument is used in the laboratory, especially relates to a liquid waste collection device for liquid chromatograph. Liquid waste collection device for liquid chromatograph includes liquid waste collection device bottle, bottle plug, bottle lid, bottleneck, discharge gate, catheter and bag part structure at least, the quantity of liquid waste collection device bottle is at least one, the bottleneck is located the top of liquid waste collection device bottle, the bottle plug is for sealing bottle opening's inboard, the central authorities of bottle plug still are provided with the drain tube hole, the bottle lid is for sealing bottle opening's the outside, the lower lateral wall of liquid waste collection device bottle still is provided with the discharge gate, the bottom of liquid waste collection device bottle still is provided with the buffer layer, still be provided with a plurality of protruding structures on the buffer layer, the bag part structure sets up the last later