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    • 4. 发明专利
    • MANAGEMENT OF ABNORMAL OPERATION IN COKE DISCHARGE OF COKE OVEN
    • JPS63128095A
    • 1988-05-31
    • JP27633386
    • 1986-11-19
    • SUMIKIN CHEMICAL
    • KITAYAMA YOSHITERUSUGIMOTO TADAOYAMANE TETSUOKIKUCHI TSUYOSHI
    • C10B33/08C10B39/14C10B41/02
    • PURPOSE:To ensure safe operation of a coke oven, by generating pulse signals at regular intervals during the forward motion of a pushing ram of a pusher, checking the pulse signal by a mobile station on the pusher, checking the transfer distance by a mobile station on a quencher and immediately stopping the motion of the quencher in the case of abnormality. CONSTITUTION:The objective coke oven has a decentralized automatic control mechanism consisting of a mobile station on a pusher and a mobile station on a quencher in addition to a stationary station. In the above coke oven, pulse signals are generated during the forward motion of a pushing ram of a pusher 2 at regular intervals of the moving distance by a rotary limit switch 10 attached to the ram. The mobile station 8 on the pusher checks whether the pulse signals are generated at regular time intervals during the forward motion of the pushing ram and the mobile station 9 on the quencher checks the traversing distance of the quencher 3 at regular time intervals from the start of the coke receipt. When the checked value is out of prescribed range, the mobile station transmits the abnormality signal in the operation of the coke receipt and the stationary station 7 commands the emergency stop of the pushing ram through an IR cable 6-1 to stop the forward motion of the pushing ram. At the same time, the quencher 3 is also stopped by the emergency stop signal transmitted to the mobile station 9 on the quencher through an IR cable 6-2.