Water-feeding control cabinet for coke oven with touch screen
The utility model relates to a control cabinet structure for controlling the water feeding of a coke oven. The control cabinet structure comprises a PLC (Programmable Logic Controller) host machine, an expanding unit and a touch screen, wherein the PLC host machine is respectively communicated with...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to a control cabinet structure for controlling the water feeding of a coke oven. The control cabinet structure comprises a PLC (Programmable Logic Controller) host machine, an expanding unit and a touch screen, wherein the PLC host machine is respectively communicated with the touch screen and the expanding unit; a position signal of an on-site quick cut-off valve, a fault alarm signal of a coal leveling plate and a resistance alarm signal of a filter are inputted into the PLC host machine and are identified and treated by the PLC host machine; an output signal of the PLC host machine is isolated by an intermediate relay and then is transmitted to the quick cut-off valve for a nozzle; an on-site coal moisture detecting signal, a water-feeding flow detecting signal, a coal weight signal and a position signal of a water-feeding adjusting valve are inputted into the expanding unit and are connected with the PLC for operating through the expanding unit; and PLC analog quantity is outputt |
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