Reversing mechanism for coke oven battery

Claim 2

In a system whereby reversing the fuel gas valves and the air and waste heat valves of a coke oven battery effects the reversal of the heating of the battery, the improvement comprising: a. an actuator rod connected to said fuel gas valves; b. an actuator rod connected to said air and waste heat valves; c. a source of fluid under pressure; d. a timer actuating in sequence both a first fluid flow control device and a second fluid flow control device; e. conduit means connecting said source of fluid under pressure with both said first and said second fluid control devices; f. first fluid operated means connected to said fuel gas valve actuator rod for opening and closing said fuel gas valves; g. second fluid operated means connected to said air and waste heat valve actuator rod for opening and closing said air and waste heat valves; h. a first fluid flow control valve; i. a second fluid flow control valve; j. conduit means carrying fluid under pressure to said first fluid flow control valve; k. conduit means carrying fluid under pressure to said second fluid flow control valve; l. conduit means carrying fluid from said first flow control valve to said first fluid operated means; m. conduit means carrying fluid from said second fluid flow control valve to said second fluid operated means with said timer actuating in sequence, said first and second fluid flow control deVices so that fluid flows from said source through said first and second fluid control devices, through said fluid flow control valves and into said first and second fluid operated devices, and said actuator rods open said fuel gas valves and said air and waste heat valves in accordance with a preselected schedule that accomplishes reversal of the heating of flues in said coke oven battery; n. means interlocking the movement of the fuel gas actuator rods and the air and waste heat actuator rod so that each moves only in accordance with a predetermined sequence; and o. normally open valve means in each one of said conduit means that closes upon receipt of a signal indicating an emergency condition warranting such closing.

Claim 3

The invention of claim 1 including: a. cam means movable with said actuator rods actuates the first and second fluid control valves in accordance with a predetermined sequence.

Claim 4

In a system whereby the fuel gas valves and the air and waste heat valves of a coke oven battery effects the reversal of the heating of the battery, the improvement comprising: a. a pair of actuator rods connected to the fuel gas valves; b. a first arm pivotally mounted and connected to said rods; c. a second pair of actuator rods connected to the air and waste heat valves; d. a second arm pivotally mounted and connected to said second rods; e. a source of fluid under pressure; f. a timing device actuating in sequence both a first and a second fluid flow control device; g. conduit means connecting said source of fluid and said first and second fluid flow control devices; h. a first fluid actuated means connected to said first arm for pivoting said first arm thereby actuating said fuel gas valves; i. a second fluid actuated means connected to said second arm for pivoting said second arm and actuating said air and waste heat valves; j. a first flow control valve; k. a second flow control valve; l. conduit means connecting said first fluid flow control device to said first fluid actuated means; m. conduit means connecting said second fluid flow ontrol device to said second fluid actuated means; n. conduit means connecting said first control valve and said second control valve; o. first can means actuated by said first arm for actuating said second flow control valve; p. second cam means actuated by said second arm for actuating said first flow control valve, whereby in sequence said timer actuates said first fluid control device and fluid flows through said first flow control device into said first fluid actuated means and said fuel gas valve actuator rods move to reverse the position of said valves, and in sequence said fluid flows into said second fluid actuated means and said air and waste heat valve actuator rods move to reverse the position of said valves; q. normally open valve means in said conduit means connecting said first and second flow control devices with said first and second fluid actuated means, said valve means being closable automatically in response to a signal indicating an emergency situation in said system; r. said first and said second fluid actuated means each include a cylinder wherein there are two pistons with a wall between the pistons subdividing the cylinder into two chambers, and wherein; s. one piston is secured to a piston rod that is fixed, whereby only the other piston and the cylinder are movable.

Claim 5

In a system whereby the fuel gas valves and the air and waste heat valves of a coke oven battery effects the reversal of the heating of the battery, the improvement comprising: a. a pair of actuator rods connected to the fuel gas valves; b. a first arm pivotally mounted and connected to said rods; c. a second pair of actuator rods connected to the air and waste heat valves; d. a second arm pivotally mounted and connected to said second rods; e. a source of fluid under pressure; f. a timing device actuating in sequence both a first and a second fluid flow control device; g. conduit means connecting said source of fluid and said first and second fluid flow control devices; h. a first fluid actuated means connected to said first arm for pivoting said first arm thereby actuating said fuel gas valves; i. a second fluid actuated means connected to said second arm for pivoting said second arm and actuating said air and waste heat valves; j. a first flow control valve; k. a second flow control valve; l. conduit means connecting said first fluid flow control device to said first fluid actuated means; m. conduit means connecting said second fluid flow ontrol device to said second fluid actuated means; n. conduit means connecting said first control valve and said second control valve; o. first can means actuated by said first arm for actuating said second flow control valve; p. second cam means actuated by said second arm for actuating said first flow control valve, whereby in sequence said timer actuates said first fluid control device and fluid flows through said first flow control device into said first fluid actuated means and said fuel gas valve actuator rods move to reverse the position of said valves, and in sequence said fluid flows into said second fluid actuated means and said air and waste heat valve actuator rods move to reverse the position of said valves; q. normally open valve means in said conduit means connecting said first and second flow control devices with said first and second fluid actuated means, said valve means being closable automatically in response to a signal indicating an emergency situation in said system; r. said first and said second fluid actuated means each include a cylinder wherein there are two pistons with a wall between the pistons subdividing the cylinder into two chambers, and wherein; s. one piston is secured to a piston rod that is fixed, whereby only the other piston and the cylinder are movable.

Claim 6

The invention of claim 3 including: a. interlocking means for preventing the inadvertent actuation of said fuel gas valves until said air and waste heat valve are in a preselected proper position.

Claim 7

The invention of claim 4 wherein: a. said interlocking means is actuated by movement of said air and waste heat valve actuating rods.

Claim 8

The invention of claim 3 including: a. interlocking means for preventing the inadvertent actuation of said air and waste heat valves until said fuel gas valves are in a preselected proper position.

Claim 9

The invention of claim 6 wherein: a. said interlocking means is actuated by movement of said fuel gas valve actuating rods.