Control apparatus for flue gas range

The utility model relates to a control device used for gas furnaces, in particular to a control device for medium-high-pressure gas furnace which has stronger heat and is applicable to the catering industry. The control device of the utility model comprises a valve body, a gas inlet, and a gas outlet. A valve-core positioning sealing press cover is connected with and arranged at the other end of the valve body, which is opposite to the end of the gas outlet. A valve core is connected with in spiral way and arranged in the valve body. One end of the valve core is a cone-shaped convex body, and the other end of the valve core is extended out of the valve body and connected with a revolving wheel which can drive the valve core to revolve in and out. The valve body is positioned at the place of the gas outlet and connected with a valve mouth which is provided with a gas jet. Further, at the side of the gas outlet of the valve body, the valve mouth of the utility model is provided with a cone-shape concave hole, t