Treatment method and treatment apparatus for non-condensing gas in heavy oil fire flooding produced gas

The invention relates to the technical field of oilfield produced gas ground engineering, particularly to a treatment method and a treatment apparatus for non-condensing gas in heavy oil fire floodingproduced gas. According to the treatment method, treatment is performed sequentially with a pretreatment unit, a thermal oxidation unit, a waste heat recovery unit and a desulfurization unit to obtain heavy oil fire flooding produced gas meeting discharge standard. According to the present invention, the apparatus has advantages of simple process, convenient operation, strong applicability and low energy consumption; especially with the application of the thermal oxidation unit in heavy oil fire flooding produced gas, the obtained produced gas meeting discharge standard has a non-methane total hydrocarbon gas content of less than 50 mg/m , a hydrogen sulfide or sulfur dioxide content of less than 15 mg/m , and a nitride content of less than 50 mg/m ; and with the method and the apparatus, the development and prod