Carbon black plant emergency shutdown system

Claim 1

IN A SYSTEM FOR BURNING A COMBUSTIBLE MIXTURE INCLUDING A FIRST CONDUIT FOR SUPPLYING A REACTOR WITH A HYDROCARBON CHARGING STOCK, A SECOND CONDUIT FOR CONDUCTING GASEOUS EFFLUENT FROM SAID REACTOR TO SEPARATION MEANS FOR SEPARATING SOLID SUSPENDED MATERIAL FROM SAID EFFLUENT, SAID SEPARATION MEANS COMPRISING IN SERIES CYCLONE SEPARATOR MEANS AND BAG FILTERING MEANS, A NORMALLY CLOSED VENT MEANS IN COMMUNICATION WITH SAID SECOND CONDUIT AT A POINT THEREIN BETWEEN SAID CYCLONE SEPARATOR MEANS AND SAID BAG FILTERING MEANS, FIRST AND SECOND VALVES IN SAID FIRST CONDUIT AND SAID VENT MEANS RESPECTIVELY, SAID CYCLONE SEPARATOR MEANS AND SAID BAG FILTERING MEANS EACH HAVING AN OUTLET CONDUIT FOR SAID SOLID MATERIAL, AND FEEDER MEANS CONTROLLING THE FLOW OF SAID SOLID MATERIAL THROUGH SAID OUTLET CONDUIT INTO CONVEYOR MEANS, THE IMPROVEMENT COMPRISING, IN COMBINATION, SENSING MEANS OPERATIVELY CONNECTED TO SAID SECOND CONDUIT BETWEEN SAID CYCLONE SEPARATOR MEANS AND SAID BAG FILTERING MEANS AND RESPONSIVE TO AN EMERGENCY CONDITION THEREIN, AND MEANS OPERATIVELY CONNECTED AND RESPONSIVE TO SAID SENSING MEANS WHEREBY SAID FIRST VALVE IS CLOSED, SAID SECOND VALVE IS OPENED, SAID FEEDER MEANS IS DEACTIVATED WHEN SAID EMERGENCY CONDITION ARISES, SAID EMERGENCY CONDITION BEING CAUSED BY AT LEAST ONE OF THE FOLLOWING: A PREDETERMINED EXCESSIVE TEMPERATURE AND A PREDETERMINED EXCESSIVE PRESSURE.