Technological characters of coal charging car The coal charging car adopts the technology of one spotting and 5-2 serial sequence. VVVF speed regulating technology is used for the traveling device. Coal is fed through round disk or screw mechanical feeder and coal bucket weighing device is used. The dust collecting system on the car is connected with ground station through connector. The technology of automatic lid opening and rubbing is used. Oven top cleaning device is equipped. Mechanical cleaning device for ascension pipe is provided. Each unit can be operated manually and can also be controlled by unit program. Dry type dust separator is equipped on the car. Except the traveling, coal feeding and oven top cleaning devices, the other devices are driven by hydraulic cylinder, stable and reliable motions can be realized. Power off emergency device is provided. The electric devices can be controlled through man-machine interface. Oven number identification and automatic spotting technology is used. Automatic control trouble diagnosis system is provided. Technological characters of coke pushing machine The coke pushing machine adopts the technology of one spotting and 5-2 serial sequence. VVVF speed regulating technology is used for the traveling device of coke pushing machine. Automatic door opening device with memory is provided. It is equipped with automatic mechanical oven door, jamb, leveling door and wharf cleaning devices and spillage removal device. Each unit can be operated manually and can also be controlled by unit program. Except the traveling, coke pushing, leveling and spillage removal devices, other devices are driven by hydraulic cylinders, stable and reliable motions can be realized. Power off emergency devices are provided for coke pushing and leveling motions. The electric devices can operated through man-machine interface. The technology of oven number identification and automatic spotting is adopted. Automatic control trouble diagnosis system is provided. Technological characters of coke guide machine The coke guide machine adopts the technology of one spotting, VVVF speed regulating technology is used for the traveling device of coke guide machine. Automatic door opening device with memory is provided. It is equipped with automatic mechanical oven door, jamb and wharf cleaning devices and spillage removal device. Each unit can be operated manually and can also be controlled by unit program. Expect the traveling and spillage removal device, other devices are driven by hydraulic cylinders, stable and reliable motions can be realized. According to the different coke quenching methods, big or small dust guard can be used. Mitshibushi or belt carriage dedusting joint can be selected according to the different joint types of ground dust collecting main pipes. Oven number identification and automatic spotting technology is used. Automatic controlled trouble diagnostic system is provided. Technical characteristics of coke quenching car Two kinds: wet coke quenching car, low water content coke quenching car. Method of coke discharging: discharge coke from movable bottom plate or from side door. Technical characteristics of electric locomotive Two kinds: electric locomotive for wet coke quenching car and electric locomotive for dry coke quenching car. VVVF speed regulating technology is used for dry coke quenching car. The motor brakes, the brake shoe brakes, then the car holds on the rail by electromagnetic force, thus braking is realized. (or with disk brake). The traveling speed regulating range is big (1:40) and is controlled by PLC. The electric device is controlled through man-machine interface. The technology of oven number identification and automatic spotting is adopted. Technological charaters of gas reversing machine Gas reversing machine is driven by hydraulic cylinder. The gas, air and waste gas valves are opened and closed automatically by link lever which is moved and driven by hydraulic cylinder.