Furfural refining vacuum pump deodorizing device

The utility model discloses a deodorizing device of a furfural refining vacuum pump. The device comprises a refining vacuum pump and a vacuum pump deodorizing device, the vacuum pump deodorizing device consists of a blow-down pipe, a heat exchanger and a cooling deodorizing device; one end of the blow-down pipe is connected with the refining vacuum pump; the other end is connected with an inlet ofthe heat exchanger; the cooling device consists of an exhaust pipe, a cooling pipe and a condensing agent; the exhaust pipe is connected with an outlet of the heat exchanger; the cooling pipe sleevesthe surface of the exhaust pipe; the exhaust pipe wall, the cooling pipe wall and the outer wall of the heat exchanger jointly form a storage gap for storing a condensing agent; the utility model hasa reasonable structure, convenient use, harmful gas generated by the vacuum pump in the furfural production process can be effectively absorbed, the problems that gas released by vacuum of a refiningvacuum pump is large in sme