Abstract: A one-spot hopper, provided with means for developing layers of coke therein, of even depth, is pivotally mounted to a frame that is movable alongside the coke side of a coke oven battery. Extendible and retractable covers close, and seal the hopper from the ambient atmosphere. A cylinder-piston means is used to pivot the hopper and dump coke therein through pivoted side plates of the hopper. Means are provided to also close off and seal the coke pushing operation of the coke oven battery from the ambient atmosphere. At least one perforated conduit extends transversely through the hopper, and a perforated shield is disposed in spaced-apart relation above the conduit. Means is provided for flowing a cooling fluid in the conduit. A duct is fitted to the hopper to provide a means for extracting gases and entrained particulate matter emanating from hot coke deposited in the hopper.

Abstract: A coke oven machinery positioning and spotting system comprises system characteristics mapped in a process memory and system dynamics controlled by a central processing unit and a sensing mode. The system results in the automatic control of machine travel, positioning and spotting, and interlock against further travel until a command signal is given to start a new sequence.

Abstract: A pipe coupling device to relieve stresses within coupled pipe derived as a result of generally transverse motion of the coupled pipes relative to one another. The device sealably couples piping while compensating for generally transverse motion of piping relative to each other without adversely affecting the integrity of the seal.

Abstract: A process is disclosed for the treatment of the residual gases which are produced when hydrogen sulfide is reduced, by combustion, to elementary sulfur by the Claus process. The residual gases are fed through a heated conduit and gas scrubber, wherein the temperature of those residual gases are maintained above the melting point of sulfur. A portion of the raw coke oven gas condensate is admitted to the gas scrubber to be returned to the coke oven battery main from the flushing liquid separator as flushing liquor. The residual gases are then conducted through the coke oven gas purification process equipment along with the raw coke oven gas where the residual gases are intermixed with the raw coke oven gas prior to tar separation.

Abstract: A coke oven door seal and corresponding door jamb are disclosed which provide apparatus coaction which is self-aligning and self-cleaning. The seal is pressurized, with a relatively inert atmosphere, above the range of pressures incurred within the coke oven, thus preventing escape of pollutants. A plurality of pressure maintaining devices maintain sealed contact between the door seal and the door jamb.

Abstract: In a blast furnace tuyere, operating at subsonic velocity, an inner cylindrical air conduit is reduced to a frusto-conical conduit near the tuyere nose. A water cooled, pear-shaped, hollow body within the tuyere is held suspended by a bracket, in a centered position, where it exerts minimum interference with the pressurized fluid flowing partly through it and partly around it, having a cylindrical smaller conduit in such body and an annulus between the outer perimeter of such body and the inner wall of the cylindrical or conical conduit of the tuyere.The bracket slides parallel to the tuyere axis in guides, which are integral parts of the tuyere proper, thereby securing a centered position whenever the bracket is approaching to or retreating from the tuyere nose.

Abstract: A two-stage process for the separation of tar, from the condensates which result from the cooling of coke oven or generator gas, is disclosed along with the apparatus for carrying out the process. The condensates are first separated in a preliminary stage into a water phase, a tar phase and a thick tar phase. The tar phase is then further dehydrated in a pressure separator.

Abstract: A cylindrical drum having a lining spaced apart from the shell of the drum is rotatably mounted on a frame movable on rails along the coke side of a coke oven battery. A fume shield is fixed to the frame and covers openings in the shell and lining through which hot coke passes, when pushed from a coke oven chamber. A hood is fixed to the structure supporting a coke guide and has a movable portion that coacts with the rotatable shell when coke gravitates into the shell. The drum is rotatable to several operative positions.

Abstract: An interphase level regulator and method for using it are provided for continuously monitoring and controlling the level of tar in a settling or decanter tank where the tar is separated from an aqueous fluid. The interphase level regulator has an interphase tube vertically positioned inside or outside the settler or decanter tank after an initial separation of tar and aqueous fluid from the emulsion of tar and aqueous fluid. The interphase tube contains one or two pneumatic dip tubes that are supplied with air and yield a different pressure when a change occurs in the level of decanted tar in the interphase tube. The difference in pressure at the dip tube is measured and transmitted to a valve that controls the flow of decanted tar from the settler or decanter tank.

Abstract: A generally cylindrical drum of heat stress and corrosion resistant construction, and having an opening therein, is rotatably mounted on a frame movable on rails along the coke side of the coke oven battery. A movable cover is fixed to the shell and covers the opening in the shell through which hot coke passes, when pushed from a coke oven chamber. A hood is fixed to the structure supporting a coke guide and has a movable portion that coacts with the rotatable shell when coke gravitates into the shell. The drum is rotatable to several positions. Means are included to quench the hot coke and to extract the particulate laden steam which is generated by the quenching operation. Additional means are included to remove noxious gases and particulate matter which emanates from the hot coke.

Abstract: A coke quenching car is disclosed wherein the hopper is pivotally mounted to a superstructure continuation of the car frame, at points on both ends of the hopper adjacent to its top side which faces the coke side of a coke oven. A means for pivoting the top of the hopper upwards and towards the coke side of the coke oven is included. A discharge gate is attached to the bottom side of the hopper running the length of the hopper and hinged to the lower edge of the hopper side which faces the coke side of the coke oven. As the car is spotted at the coke wharf, the means for lifting pivots the hopper upward, aligning the discharge gate with the coke wharf; the gate is then swung downward to form a chute to the coke wharf. The contents of the hopper descend the inclined plane thus emptying the coke quench car.

Abstract: In a strand sintering machine, an arrangement and position of drive lifting sprockets, operable in conjunction with two pairs of pallet alignment gears, is disclosed. The drive lifting sprockets are positioned at the feed end of the strand tracks. Two pairs of gears, operable by a common chain drive, are positioned near the discharge end of the strand sintering machine adjacent to the pallet return tracks. The gears coact with the tooth pockets in the pallets to align those pallets with the return tracks and to separate the pallets thus relieving the pressure of pallet accumulation upon the drive lifting sprockets.

Abstract: In a system wherein coke is ejected from a horizontal coke oven into a one-spot coke quenching car, a reciprocating coke guide extension which serves to spread the ejected coke more evenly throughout the one-spot quenching car, thus allowing more coke to be accumulated in the one-spot quenching car before it is required to be moved. The apparatus presents a means by which the falling coke column is directed initially to the remote side of the car, away from the coke oven, and at varying oblique angles from the central axis of the horizontal coke oven, concluding the loading operation by directing the coke to a point immediately below the exit from the coke oven.

Abstract: Slidable gates controlling the flow of coal from a coal bunker into hoppers on a larry car are opened, and simultaneously electric power to the travel circuit of the larry car is interrupted through control circuitry. Also, simultaneously a signal from a transmitter is received by a receiver and an interlock system is activated that prevents power from being restored to the travel circuit larry car until the gates are closed. When the gates are closed, the signal does not reach the receiver and all circuits return to normal and electric power to the travel circuit of the larry car is restored.

Abstract: A coke oven regenerator checker brick which incorporates, with the principle of maximization of heat transfer, the ability to minimize pressure differential within such a regenerator, while providing facility of inexpensive manufacturing techniques. A coke oven checker of standard overall dimension incorporates wave-like corrugations, for maximum surface area exposure, and sufficient web thickness to enable manufacture by the conventional re-press method which is the most economical commercially available method for manufacturing refractory coke oven checker brick.

Abstract: A device for moving coke away from the coke guide and leveling coke in a one-spot quench car is disclosed. A plow is mounted on a coke guide car just below the exit end of the coke guide. The plow is connected to extension apparatus to project it outward from the coke guide, across the hopper of a one-spot quench car. As the one-spot quench car is being filled with coke, the plow is extended to push the coke away from the coke guide to provide additional space for more coke. When the one-spot quench car is filled, the plow is again extended to level the coke to enhance quenching operations. The plow is then retracted and the one-spot quench car is relocated.

Abstract: A machine for reversing the heating cycle of a coke oven battery includes mechanism to lock out either one of two reversing rods in proper time sequence so that only three of the normal four reversing rods are operable for the selected mode of underfiring of the battery. Shifting or change over can only be accomplished at the neutral position which occurs when all fuel gas to the battery is shut off. The shifting or change over initiates the change over of rich or lean underfiring gas and also is interlocked so that the main drive cannot operate until all change over functions are completed.

Abstract: A coke quencher car has a movable bed within a hopper that receives hot coke when pushed from a coke oven chamber. The movable bed is first elevated and then lowered to a horizontal position as coke falls into the hopper to more evenly distribute the coke therein. The bed may in some instances be fixed at an angle to the horizontal and in some instances the bed may be articulated and comprise a plurality of sections.

Abstract: A flow line valve containing an articulated disc, operated by means of a lever actuating mechanism and articulated by the combination of a guide with a rack and pinion gearing system, is disclosed. A valve disc is mounted in a valve body and is operated by rotary motion applied to a crankshaft, through a crank lever and a linking means, which in turn exerts a linear force on the valve disc. The valve disc is initially moved in relation to the seat in a longitudinal direction, directed by a guide means, which is then translated into a pivotation of the disc controlled by a rack and pinion system, such that the valve disc is first longitudinally retracted from the valve seat and then pivoted, clear of the valve seat, 90.degree. to an open position, concurrent with further retraction of the valve seat. Closure is effected by reversing the sequence of articulation.

Abstract: An electrical pulsing unit in the pusher ram drive emits a pulse for every preselected incremental distance traveled by the ram from the face of the oven at the start of the push to the completion of the push. The pulses are received in the quench car locomotive and are converted to signals that show the position of the ram during its travel. The quench car has a similar pulsing unit, and pulses from this unit are converted to signals that show the position of the quench car. The quench car locomotive operator can then coordinate the signals to achieve proper coke distribution in the quenching car.