Automatic stink adding device for gas

The utility model relates to an automatic stink adding device for gas. The utility model is characterized in that a gas source device and a pump pressurizing device are connected in series, and then the gas source device and the pump pressurizing device are connected with a gas supply duct in parallel; full hermitic and full automatic operation can be realized by the adoption of an electromagnetic driven diaphragm pump for pressurized gas injection; the mixing between the gas and the liquid can be carried out under normal temperature and pressure due to the adoption of the technology of a spread flow type jet. The utility model has the advantages of safe and reliable movement, no environmental pollution, simple structure, convenient operation, and the utility model can be used in the stink adding work of various gases.