Simple water vapor distillation device with suck-back prevention function

The utility model discloses a simple water vapor distillation device with an anti-suck-back function, which comprises a water vapor generator, the water vapor generator is connected with an anti-suck-back device through a vapor conduit, the anti-suck-back device is communicated with a distillation flask, the anti-suck-back device comprises a suction flask and a glass long tube, a double-hole rubber plug is arranged at the mouth of the suction flask, and the glass long tube is communicated with the suction flask. The long glass tube is inserted into one round hole and is directly communicated with the outside atmosphere, and the steam guide tube is inserted into the other round hole and is communicated with the suction flask. And the glass long tube is directly connected with the outside atmosphere to balance the air pressure, so that the phenomenon of suck-back of the reaction liquid can be effectively prevented. According to the utility model, the suck-back of the reaction liquid is effectively prevented, an