Opening-closing type microwave catalytic reaction apparatus

An opening-closing type microwave catalytic reaction apparatus for catalytic cracking of petroleum comprising a microwave system, a microwave cavity, a protective cover, a cooling system, and a vertical furnace tube, wherein the furnace tube passes through the microwave cavity, two ends of the furnace tube are respectively stretched out of the microwave cavity, the microwave system comprises a plurality of microwave transmitting units that are layered up and down and transmit a microwave to the microwave cavity, and the microwave transmitting unit comprises a microwave transmitter;

• the furnace tube is provided with a gas inlet on a top and a gas outlet on a bottom;
• a compression hinge and a cavity cover capable of being opened or closed are arranged on the microwave cavity, a convex edge plate is disposed at an edge of the cavity cover, the compression hinge compresses the cavity cover such that the convex edge plate is tightly attached to a concave edge plate on the microwave cavity, the microwave system is disposed in an upper box body, the upper box body is fixedly disposed on a lower box body, the microwave cavity is partially located in the upper box body, the cavity cover is located out of the upper box body, and the protective cover covers the entire cavity cover;
• the furnace tube is a quartz glass tube, a silicon carbide bead is disposed in the furnace tube, and a porous plate for supporting the silicon carbide bead is disposed on the bottom of the furnace tube;
• and the cooling system comprises a water cooler, two first cooling sleeves that are respectively sleeved to the top and the bottom of the furnace tube, and a second cooling sleeve sleeved to the microwave transmitter, a water inlet of the first cooling sleeve and a water inlet of the second cooling sleeve respectively communicate with a water outlet of the water cooler, and a water outlet of the first cooling sleeve and a water outlet of the second cooling sleeve respectively communicate with a water inlet of the water cooler;
• and
• the top and the bottom of the furnace tube are respectively connected to a furnace cover through a flange, the furnace cover is connected to the corresponding flange through a bolt, a nut of the bolt is away from the furnace tube, a compression spring is sleeved on the bolt, and the compression spring comprises one end abutted against the nut and the other end abutted against the furnace cover;
• and the gas inlet and the gas outlet are respectively communicate with the inside of the furnace tube through a ferrule tube fitting, the ferrule tube fitting passes through the corresponding furnace cover, and a pressure ring is disposed between the furnace cover and the ferrule tube fitting.