Plug-in kiln video camera and image processing system

A plug-in furnace & and kiln-oriented video camera, comprising:

• a body of a video camera, a video recorder (23) and a digital thermometer (25);
• wherein the body of a video camera comprises a video camera (19), a pick-up gun (16), a pipe-typed cooler (9), a sealing device (15), a sight hole (21), a blow-down ring (22), and a temperature measurement element (20);
• wherein the video camera (19) is installed at a front end of pick-up gun (16), inserted into the furnace through the pipe-typed cooler (9) installed at the flange short pipe (4) of a furnace shell;
• wherein the temperature measurement element is located near the top of video camera (19) in pick-up (16);
• a ring gap 28 of video camera (19) is formed between blow-down ring (22) and video camera (19);
• a double sealing structure of valve (13) and sealing sheath (15);
• wherein video camera (19) comprises a lens of wide angle, with an angle of view in the range of 90-120°;
• a double gas protection for blow-down wind through the ring gap via an inner wind from sight hole (21) and an outside blow-down from sight hole (21);
• emnployed;
• a video recorder (23), monitor (24) and digital thermometer (25) are placed outside the furnace shell, connected through a cable line to the video camera (19) and the temperature measurement element (20).