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8152970 Method and apparatus for producing coke  
A method and apparatus for quenching metallurgical coke made in a coking oven. The method includes pushing a unitary slab of hot coke onto a substantially planar receiving surface of a hot car. The...
8057641 Method and apparatus for pyrolysis of a biomass  
A method and apparatus for effective pyrolysis of a biomass utilizing rapid heat transfer from a solid heat carrier or catalyst. Particularly, various embodiments of the present invention provide...
7998316 Flat push coke wet quenching apparatus and process  
A method and apparatus for quenching metallurgical coke made in a coking oven. The method includes pushing a unitary slab of incandescent coke onto a substantially planar receiving surface of an...
7785447 Clean production of coke  
Closed apparatus and processes by which carbon feedstock is composed of a mixture of non-coking coal fines and another carbonaceous material, such as waste coke fines, are described. The coal and...
6264797 Method for improving longevity of equipment for opening large, high temperature containers  
A method is provided for cooling coke drum deheading devices, thereby extending the life of same. The method calls for spraying water or other coolant on the devices when they are in operation.
6193837 Preparation of brightness stabilization agent for lignin containing pulp from biomass pyrolysis oils  
A process for producing a brightness stabilization mixture of water-soluble organic compounds from biomass pyrolysis oils comprising: a) size-reducing biomass material and pyrolyzing the...
6143137 Cooling pocket for a rotary drum cooler having a flexible vent pipe assembly  
A rotary drum cooler for cooling particulate material (e.g. coke particles) having at least one cooling pocket which, in turn, includes a flexible vent pipe assembly which can slide in relation to...
6077399 Method for producing uniform quality coke  
The present invention deals with a method to produce uniform quality coke for a blast furnace by quenching coke at a pre-determined rate to produce coke with essentially uniform moisture; further,...
5968320 Non-recovery coke oven gas combustion system  
A system for transporting and burning under negative pressure in a boiler a raw coke oven gas to produce steam energy. The system has the usual battery of coke ovens and corresponding ascension...
5932089 Petroleum coker cooling method with minimum coke drum stress  
A method is provided for cooling prior to decoking a petroleum coke drum having a substantially solidified mass of petroleum coke by initiating the injection of water into the coke drum while the...
5827403 Method of designing and manufacturing a delayed coker drum  
A method of manufacturing a delayed coker drum as used in a refining process to receive coke feedstock as a hot liquid and in which the coke feedstock is cooled and quenched to produce solid coke,...
5804038 Reduction of metal stresses in delayed coking drums  
The metal stresses in a delayed coke drum are reduced by externally cooling the coke drum near the junction of the drum shell and the supporting skirt thereof during the quench step. This reduces...
5795445 Method of controlling the quench of coke in a coke drum  
A method of controlling the rate of quench of coke in a coke drum to reduce deterioration of the coke drum sidewall in which water is admitted into the coke drum filled with hot coke to cool the...
5711769 Process for passivation of reactive coal char  
A continuous process for treating coal to form stable coal char by passivating the coal and then rehydrating and cooling the product thereof to prevent spontaneous ignition. The process includes...
5628878 Method of reducing airburning in petroleum coke  
A method of reducing the airburning tendency of petroleum coke and carbon anodes made therefrom includes calcining the coke and spray quenching the calcined coke with an additive-containing water....
5622604 Coke cooling apparatus  
A rotary coke cooling drum is formed of plural opposed folded plates welded together and having spaced apart openings for receiving an array of tubular cooling pockets which are separately formed...
5609730 Method of operating dry quenching apparatus for hot coke  
A dry quenching apparatus for hot coke is operated by collecting data on preceding operations. The heat balance is calculated based on the collected data to determine the heat content of the...
5601692 Process for treating noncaking coal to form passivated char  
A continuous process for treating a noncaking coal to form stable char. The process includes the sequential steps of drying the coal to remove moisture therefrom and form a dry coal; pyrolyzing the...
5584970 Process of producing wood charcoal in a moving bed  
The biomass, particularly lump wood, is supplied to a shaft reactor at its top and is initially preheated to temperatures of about 150° to 280° C. and dried by a counterflowing hot gas. This is f...
5547548 Pyrolysis process water utilization  
A method for reducing the undesirable contaminants in process water produced in pyrolysis of low rank coal. The method uses the process water to quench and rehydrate a char produced by pyrolysis...
5376262 Concentration and/disposal of non-volatile inorganic contaminants from refinery waste water streams  
Selenium and other non-volatile inorganic contaminants in refinery waste water are removed from said waste water and disposed of by a process comprising subjecting the contaminated waste water...
5194069 Method and apparatus for refinement of organic material  
A method and an apparatus for the refinement of organic material is disclosed. Converting and processing organic material is achieved with or without organic and inorganic additions. The base...
5039379 Dry cooling of coke  
A preferred method of dry cooling coke includes the steps of removing the coke from the coke oven, crushing the coke with a crushing device to increase a surface area thereof, transporting the coke...
4997527 Coke handling and dry quenching method  
An improved coke handling and quenching method utilizes a coke box for receiving, cooling and carrying a coke charge from a coke oven in a pollution-free manner and employs a highly maneuverable...
4935099 Process for making wood charcoal  
Lump wood is carbonized in a shaft retort, which is flown through by hot rinse gas. The wood is charged to the retort at its top. Wood charcoal is withdrawn from the lower portion of the retort. An...
4867848 Process and apparatus for producing moulded coke in a vertical furnace which is at least partly electrically heated  
An apparatus and process for producing coke in a vertical furnace having an upper part for preheating and devolitalizing raw ovoids of coal, an electrically heated median part for carbonizing and...
4842695 Arrangement of a dry cooler for coke  
A dry cooling installation for coke includes an upright cooling shaft having an upper inlet for coke to be cooled and a lower inlet for a recirculating counterstream of cooling gas. Two gas...
4832795 Coke dry cooling chamber  
The invention relates to a coke dry cooling chamber with vertical outer walls constructed as cooling walls and parallel vertical cooling walls positioned in the cooling chamber, with supporting...
4802573 Process for wet quenching of coke  
Wet quenching of coke with low vapor emissions is provided when the quenching vapors are bunkered before delivery to the atmosphere and subsequently or immediately a condensate is drawn off and...
4792382 Process for removing dust from dry cooled coke  
The invention concerns a process for removing dust from coke cooled by a dry method after the coke has left the cooling zone of a cooling chamber, and a device for carrying out the process. A...
4718984 Apparatus for calcining coke  
An internally-fired vertical shaft kiln for calcining coke wherein a downwardly moving coke bed has a co-current preheat gas stream in the upper portion of the kiln and a counter-current combustion...
4708196 Shaft cooler for the dry quenching of coke  
A shaft cooler for dry quenching of coke includes an inner masonry ring that is an independent structure suspended on the top edge of the outer masonry of the shaft cooler. The weight of the inner...
4701243 Method for cooling and dedusting dry cooled coke  
A method of cooling and dedusting coke after leaving the coke dry cooling system comprises directing the coke at a temperature of approximately 150° to 200° C. into an immersion tank which has a l...
4668344 Method for cooling coke and generating superheated high pressure steam  
A waste heat boiler system includes a vertically elongated waste heat boiler having an upper portion with a waste gas inlet and a lower portion with an exhaust line connection which in addition to...
4668343 Method for dry cooling red-hot coke  
A method of dry cooling red-hot coke in a vessel having an antechamber with a small discharge leading to a vertically elongated cooling chamber which is of larger dimension than the discharge and...
4664750 Method for coke quenching control  
Hot coke 3 expelled from a coking chamber is conveyed in a quenching car 2 to a quenching tower 4 past an infra-red detector 6 which provides a signal to initiate supply of the quenching water. It...
4662895 Method of cooling and gasifying retort coal  
A method and apparatus of cooling retort coke is disclosed which provides for cooling hot coke from a coking chamber by direct heat exchange with fine-grained material, preferably coal, and the...
4647341 Dry coke cooling plant  
A dry coke cooling apparatus comprises an antechamber with a bottom hole for charging coke into a cooling chamber which accommodates vertical outer cooling walls and inner cooling walls which...
4634500 Method of quenching heated coke to limit coke drum stress  
The present invention provides a method of quenching heated coke in a coke drum. Quench water is fed into the coke drum to cool the coke, and the stress in the coke drum wall is monitored during...
4627174 Process and system for the dry quenching of coke  
Glowing coke descending through a cooling duct in a coking plant is quenched by two gas flows respectively traversing an upper compartment and a lower compartment of the duct, the two compartments...
4614567 Method and apparatus for selective after-quenching of coke on a coke bench  
Method and apparatus for detection and selective after-quenching of red hot pockets in previously quenched hot coke lying on a coke bench, in which the temperature of the coke is sensed and...
4606793 Method for the operation of a carbonization plant  
A method is disclosed for operating a carbonization plant in which coking furnaces are periodically charged with preheated coal and the obtained coke is subjected to a dry cooling by a gaseous...
4559107 Method for dry cooling coke  
A method of dry cooling coke using a coke transporting bucket which has a removable cover with an exhaust pipe extending from the interior of the bucket to an exterior exhaust connection and a...
4556455 Method of charging dry coke cooling pit using sluice  
A method for the dry cooling of coke comprises transferring the coke from the coke oven to a special bucket which is moved over a charging hole of a cooling pit. The space between the bucket and...
4529483 Process for utilizing waste heat and producing water gas during the cooling of coke  
A process for utilizing waste heat and producing water gas during cooling of red-hot coke, in two stages, is indicated. In a first, dry cooling stage, a mixture of water gas and steam passes the...
4519874 Process for recovering carbonaceous and sulfur-containing particles from a retort  
A sealing system primarily for use with a superatmospheric upflow oil shale retort is comprised of a first and second vertical vessel, with a first sealing screw being employed to transport the...
4512850 Process for wet quenching of coal-coke  
Process and apparatus for wet-quenching of hot-coke unloaded from a coke producing oven use water quenching from exclusive overhead tanks in two distinct consecutive phases so as to minimize the...
4505809 Process and apparatus for extracting hydrocarbons from oil shale  
A process for extracting hydrocarbons from oil shale comprising the steps of subjecting oil shale under superatmospheric pressure in the presence of hydrogen and steam, to low temperature...
4492042 Method for drying coking coals to be charged in a coke oven  
Disclosed are methods for drying coking coals to be charged in coke ovens utilizing a heating medium which recovers the sensible heat contained in the gas generated in the coke ovens as a heating...
4486269 Method of dry cooling coke  
Cooling of a gas-permeable loose material having highly temperature-dependent coefficient of thermal conductivity is performed in a shaft-shaped chamber with use of a gaseous cooling medium so that...
Matches 1 - 50 out of 168 1 2 3 4 >