Underpressure distillation vacuum apparatus is used in laboratory

Underpressure distillation vacuum apparatus is used in laboratory, including first fixed station, second fixed station, safety bottle, digital pressure measurement appearance, dewar bottle, cold -trap and oil pump, first fixed station top is equipped with the first recess of looks adaptation bottom safety bottle, and safety bottle places in first recess, and second fixed station top is equipped with the second recess of looks adaptation bottom the dewar bottle, and the dewar bottle is placed in the second recess, the safety bottle left side is equipped with the external tapping, and the safety bottle top is equipped with the interface of bleeding, and the safety bottle right side is equipped with the pressure release pipe, is equipped with the plug valve on the pressure release pipe, the cold -trap is placed in the dewar bottle and the dewar bottle is upwards stretched out on its upper portion, and the cold -trap top is equipped with first interface, and the cold -trap lateral part is equipped with the second