Negative pressure type heating and deodorizing device

A negative pressure type heating and deodorizing device comprises a stirring pot, the wall of the stirring pot is provided with a feeding inlet, a discharging outlet and an extraction opening, a vacuum chamber is arranged at the extraction opening and connected with a vacuum pump through an air pipe, a vacuum feeding hopper is arranged at the feeding inlet and connected with the vacuum pump through an air pipe, and the vacuum feeding hopper is connected with the vacuum pump through an air pipe. The vacuum feeding hopper is further communicated with a feeding mechanism through a vacuum feeding conveying pipe, a baffle is further arranged between the bottom of the vacuum feeding hopper and the stirring pot, the horizontal stirring pot with the oil heating function is used as a stock bin, and then a rough vacuum state is formed in the stock bin through a vacuum pump. After being heated, the small molecules generating odor are easy to volatilize due to being in a vacuumized state, and then are discharged along wi