The utility model discloses a cold sediment machine advances sediment box quick -open type lid, including the lid and with the sealed complex seat of lid, the boss is worn including lapping and establish at the seat connecting plate of covering to the lid under lapping, the circumference equipartition is drawn together to the stationary ladle has the bedplate of ear seat, establish present inboardside be used for the seat section of thick bamboo of welding on advancing sediment box end plate, with have the recess above the lid connecting plate that the bedplate is connected, bedplate, pack temperature resistant carbon packing ring in the recess, the seat connecting plate passes through the axiform with the lid connecting plate and becomes the hinge, the boss is sealed with recess formation tongue and groove, the outside of lid is equipped with foraminiferous clamp plate, the clamp plate by the fastening of connecting screw and nut in the outside of lid and compress tightly lid be present on, connecting screw passes clamp plate and ear seat threaded connection. The utility model discloses cold sediment machine advances sediment box quick -open type lid, in the time of can advancingsediment casing cap stopper in the box, quick open - end lid is so that disclose the sediment.