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Distillation: processes, thermolytic

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Class / Patent application numberDescriptionNumber of patent applications / Date published
201031000 FLUIDIZED BED 6
20130213791Coking Plant and Method for Controlling said Plant - The present invention provides a coking plant. The coking plant includes a series of coke ovens, each oven including a coking chamber provided with side unloading doors. The chamber communicates with a riser provided with a coking-gas discharge pipe. The discharge pipes of each oven lead into a collecting cylinder, which is in turn connected to a coking gas treatment circuit. At least one discharge pipe of one of the ovens further includes a device for spraying pressurized liquid onto the wall of the discharge pipe. The liquid flows counter-current with respect to the direction of the flow of the gases exiting the chamber. The present invention also provides a method for controlling such a plant.08-22-2013
20100236914FLAT 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 enclosed quenching car so that substantially all of the coke from the coking oven is pushed as a unitary slab onto the receiving surface of the quenching car. The slab of incandescent coke is quenched in an enclosed environment within the quenching car with a plurality of water quench nozzles while submerging at least a portion of the slab of incandescent coke by raising a water level in the quenching car. Subsequent to quenching the coke, the planar receiving surface is tilted to an angle sufficient to slide the quenched coke off of the planar receiving surface and onto a product collection conveyer and sufficient to drain water from the quenched coke.09-23-2010
20120055775 PYROLYTIC PROCESS AND APPARATUS FOR PRODUCING BIOMASS CHAR AND ENERGY - A pyrolytic conversion assembly for processing biomass including: a rotary kiln including a tube for heating the biomass at pressure having a sealable inlet at a first, higher end for ingress of the biomass, and a sealable outlet at a lower end for egress of charcoal formed from the biomass; and heating elements disposed around the kiln to provide a localised source of heating at a predetermined distance from the sealable inlet for reflux condensation of gas from the biomass.03-08-2012
20120168297Biochar Process and Apparatus - A pyrolysis apparatus for processing carbon rich precursor feedstock into carbon rich biochar and associated carbon rich by-products includes a combustion chamber for high temperature low oxidative combustion of the feedstock having an inlet for the feedstock at a first end and outlet for the biochar at a second end; a heater to heat the combustion chamber; at least one gaseous outlet positioned between the first and second ends and communicating with an interior of the chamber, each of the gaseous outlets provided with an air venturi to control extraction of pyrolysis gas generated within the combustion chamber.07-05-2012
20120247939METHOD FOR GENERATING A NEGATIVE PRESSURE IN A COKE OVEN CHAMBER DURING THE DISCHARGING AND CHARGING PROCESSES - A method for extracting flue gases from a coke oven chamber, wherein the flue gases that develop briefly during the process of discharging and charging the coke cake from and to the coke oven chamber are extracted by a vacuum generated in the headspace above the coke cake. The vacuum in the headspace above the coke oven chamber is generated via channels through the lateral walls of the coke oven chamber or in the coke cake. The vacuum is generated in the secondary heating chamber and, by way of example, can be extracted again from a vacuum supply tank which, for the time that the coke oven chamber doors are open, is connected to the secondary heating chamber by opening shut-off devices in the connecting line. The method avoids the undesirable emission of flue gases into the atmosphere. A device whereby the method can be carried out is also disclosed.10-04-2012
201032000 IN A MOVING BED 5
20100175981RETORT HEATING APPARATUS AND METHODS - A retort heating apparatus for processing a feed material includes a heating chamber bounded at least in part by a side wall. A plurality of baffles are at least partially disposed within the heating chamber. Each baffle includes an elongated body having a top surface, at least a portion of the top surface being arched. The plurality of baffles are vertically and horizontally spaced apart so that substantially all of the feed material that vertically passes through the heating chamber is horizontally displaced as the feed material passes by the baffles. Systems are also provided for heating the feed material within the heating chamber.07-15-2010
20120024687INDUCTION HEATED SCREW - A method of separating a high boiling component from a mixture containing organic and/or inorganic boiling components which method involves providing an induction heated screw conveyor having an auger and passing the mixture through the induction heated screw conveyor while inductively heating the auger so as to heat the mixture in the induction heated screw conveyor. The mixture is heated to a temperature that is sufficient to cause the boiling component(s) to separate from the mixture as a vapor and the boiling component is removed from the induction heated screw conveyor.02-02-2012
20110011722PROCESS FOR TREATING COAL BY REMOVING VOLATILE COMPONENTS - A process for treating coal includes introducing coal into a chamber and passing an oxygen deficient sweep gas into contact with the coal, the sweep gas being at a higher temperature than the temperature of the coal so that heat is supplied to the coal. The process further includes providing additional heat to the coal indirectly by heating the chamber, wherein the heating of the coal by the sweep gas and by the indirect heating from the chamber causes condensable volatile components to be released into the sweep gas. The proportion of heat supplied to the coal by the sweep gas is less than 40% of the total heat supplied to the coal. The sweep gas is then removed from the chamber and treated to remove condensable components of the coal.01-20-2011
20120285814RECIPROCATING REACTOR AND METHODS FOR THERMAL DECOMPOSITION OF CARBONACEOUS FEEDSTOCK - The present technology discloses apparatus, systems, and methods for the thermal decomposition of carbonaceous feedstocks through continuous pyrolysis. A reciprocating reactor is disclosed that includes an inner reactor pipe and an outer reactor pipe. The outer reactor pipe has a first portion that surrounds the inner reactor pipe forming an annulus space, and a second portion that extends beyond the inner reactor pipe and forms a turnaround zone. The inner reactor pipe defines an inner reactor zone that produces partially reacted carbonaceous feedstock, and the annulus space defines an outer reactor zone that produces product gases and solids.11-15-2012
20110067991THERMAL TREATMENT OF BIOMASS - A biomass pyrolysis process is provided in which biomass feedstock is mixed with a heat carrier. The heat carrier at least partly comprises char. The ratio by weight of biomass to char is in the range 1:1 to 1:20. The process may be carried out by in a screw/auger pyrolysis reactor in which the solid feedstock components are conveyed along the reactor by a first screw. A second screw conveys at least a portion of the solid products of the biomass pyrolysis back to a heat transfer medium input port. Thus, the heat transfer medium includes char from the biomass pyrolysis.03-24-2011
20130075244METHOD AND SYSTEM FOR THE TORREFACTION OF LIGNOCELLULOSIC MATERIAL - A method for torrefaction of biomass using a torrefaction reactor vessel having stacked trays including: feeding the biomass to an upper inlet of the vessel; cascading the biomass down through the trays by passing the biomass through an opening in each of the trays to deposit the biomass on a lower tray; heating the biomass material with an oxygen deprived gas; extracting moisture from below each of the upper trays; as the biomass undergoes torrefaction in the lower trays retaining the gas with the biomass until the biomass falls from the stacked trays to a pile of biomass in the reactor vessel; exhausting gases containing organic compounds through a gas outlet at an elevation between the stacked trays and the pile of biomass, and discharging torrefied biomass from the torrefaction reactor vessel.03-28-2013
20130068605SYSTEM FOR USING FLUE GAS HEAT - A system including a pyrolysis unit for pyrolyzing organic material to produce at least pyrolysis oil and coke, a regenerator unit to combust the coke and produce a regenerator flue gas, and a mixer connected to the regenerator unit to mix the regenerator flue gas with air to produce a cooled flue gas. The system may further include at least one heat exchanger connected to the mixer to extract heat from the cooled flue gas, and a conveyer belt in thermal communication with the at least one heat exchanger and operably connected to the pyrolysis unit. The conveyer belt conveys a organic material in need of drying past the at least one exchanger to produce organic material suitable for use as a feed to the pyrolysis unit.03-21-2013
20130020189Method and Apparatus for Liquefaction and Distillation of Volatile Matter within Solid Carbonaceous Material - A method for liquefaction of coal or other solid carbonaceous material includes passing the material through a reformer having a temperature gradient therein, the temperature gradient generally increasing as the material flows down through the reformer. The more valuable volatile components of the material exit the material at their respective vaporization temperatures, and pass out of the reformer for processing in condensers. Some of each fraction of the volatile material flow is re-heated and recycled through the reformer to supply heat to maintain the temperature gradient, the recycling injection occurring at a level below that where the fraction exited the reformer so that the recycled fraction will again pass out of the reformer to be condensed. At the bottom of the reformer, the non-volatile portion of the carbonaceous material is removed from the reformer for further processing or sale.01-24-2013
20100072053METHOD FOR PROCESSING AND ALSO RECYCLING SLUDGE - The method according to an example of the invention relates to a method for processing and also recycling sludge which has precipitated from waste in a sediment tank within the scope of the high temperature treatment. This is dried and mixed with preportioned solid plastic materials so that solid conglomerates are formed and returned then to the high temperature treatment of the waste.03-25-2010
20110132737METHOD AND SYSTEM FOR CAPTURING CARBON DIOXIDE FROM BIOMASS PYROLYSIS PROCESS - A system and method for biomass pyrolysis utilizing chemical looping combustion of a produced char to capture carbon dioxide is disclosed. The system includes a biomass pyrolysis reactor, a char combustor, and oxidation reactor and a separator for separating carbon dioxide from flue gas produced by the char combustion. The pyrolysis reactor pyrolyzes biomass in the presence of reduced metal oxide sorbents producing char and pyrolysis oil vapor. The char is separated and combusted in the char combustor, in the presence of oxidized metal oxide sorbents, into a gaseous stream of carbon dioxide and water vapor. The carbon dioxide and water are separated so that a stream of carbon dioxide may be captured. The oxidation reactor oxidizes, in the presence of air, a portion of reduced metal oxide sorbents into oxidized metal oxide sorbents that are looped back to the char combustor to provide oxygen for combustion. A second portion of the reduced metal oxide sorbents is recycled from the char combustor to the pyrolysis reactor to provide heat to drive the pyrolysis. Pyrolysis oil upgrading catalyst particles may be used in addition to the metal oxide sorbents as heat energy carrier particles to improve the quality of the pyrolysis oil vapors produced in the pyrolysis reactor. Also, the metal oxide sorbents may have metals incorporated therein which serve to upgrade the pyrolysis vapors produced during pyrolysis. Non-limiting examples of such metals include Ni, Mo, Co, Cr, W, Rh, Ir, Re, and Ru.06-09-2011
20090139851RAPID THERMAL CONVERSION OF BIOMASS - The present invent provides improved rapid thermal conversion processes for efficiently converting wood, other biomass materials, and other carbonaceous feedstock (including hydrocarbons) into high yields of valuable liquid product, e.g., bio-oil, on a large scale production. In an embodiment, biomass material, e.g., wood, is feed to a conversion system where the biomass material is mixed with an upward stream of hot heat carriers, e.g., sand, that thermally convert the biomass into a hot vapor stream. The hot vapor stream is rapidly quenched with quench media in one or more condensing chambers located downstream of the conversion system. The rapid quenching condenses the vapor stream into liquid product, which is collected from the condensing chambers as a valuable liquid product. In one embodiment, the liquid product itself is used as the quench media.06-04-2009
20120325641PYROLYSIS OF SOLID BIOMASS IN THE PRODUCTION OF BIOFUELS - The invention relates to the production of a biofuel from a feedstock that includes a solid biomass material such as lemna. A hydrocarbon feedstock is fed into the coking process and reaction products generated from the thermal process are collected. The invention further relates to the production of a coke product having an isotropic structure.12-27-2012
20110233042BIOMASS CONVERSION PROCESS - Biomass is used as a co-feed for a heavy petroleum oil coking process to improve the operation of the coking process and to utilize biomaterial for the production of transportation fuels. The coking process may be a delayed coking process or a fluidized bed coking process and in each case, the presence of the biomass will decrease the coke drying time so reducing coke handling problems in the unit besides forming a superior coke product. In the case of a fluidized bed coking process using a gasifier for the coke, the addition of an alkali metal salt improves the operation of the gasifier.09-29-2011
20130008772GASIFICATION PROCESS - A method for converting biomass into syngas by converting the biomass into a viscous, pumpable pyrolysis liquid and feeding this liquid into a gasifier. The biomass is first fed to a pyrolysis unit which will convert the biomass in part to the viscous, pumpable pyrolysis liquid. This pyrolysis liquid is then fed into a gasifier either by itself or with a solid carbon-containing component where it will react to form syngas.01-10-2013
20090152092Feeding of Combustion Air for Coking Ovens - Device for burning coking gas in a coking chamber of a coke oven of the “non-recovery type” or “heat-recovery type”, a multiplicity of inlet openings for primary air being arranged in the roof of each oven chamber in such a way that the coking gas produced during the coking is brought into uniform contact with the desired quantity of primary air for the partial combustion of the coking gas, these inlet openings for primary air being combined above the oven for each chamber separately by an air feed system, the air feed systems of the individual oven chambers being connected to an air feed system common to many oven chambers, and a respective control member for varying the primary air quantity over the carbonizing time being provided between the common air feed system and the air feeds of the individual oven chambers. A slight, constant positive pressure can be applied to the common air feed system.06-18-2009
20120292175SYSTEM FOR DRYING AND TORREFACTION - A method for torrefaction of water containing cellulosic materials is performed in an inert atmosphere. The cellulosic material is cascaded through the apparatus between a plurality of rotatable trays vertically stacked within multiple processing zones. Steam being generated from heating of the cellulosic material is recycled back to the apparatus to provide an inert atmosphere. The steam may be superheated in a heat exchanger. Exhaust from the torrefaction zone of the apparatus has some moisture and other volatiles removed prior to being reheated in a burner. The heated exhaust is used in the heat exchanger to superheat the recycled steam.11-22-2012
20120152720METHOD AND DEVICE FOR KEEPING COKE FURNACE CHAMBERS HOT WHEN A WASTE HEAT BOILER IS STOPPED - The invention relates to a process for keeping coke oven chambers hot during the stoppage of a waste heat boiler, wherein the coke oven chambers are kept hot during the stoppage after emptying using externally heated burners, as a result of which a flue gas low in pollutants is obtained from said burners, such that the waste heat boilers which, during normal operation, cool the flue gases from the coke oven benches and use said gases to produce steam can be shut off and overhauled, and a flue gas low in pollutants which can be dissipated directly into the atmosphere is obtained by the burner operation. The invention also relates to an apparatus for keeping coke oven chambers hot, said apparatus comprising in particular a coke oven chamber bench, a flue gas collection line, a flue gas chimney, a waste heat boiler, a waste gas collection line and a waste gas purification system, wherein the flue gas chimney and the waste heat boiler can be shut off on the flue gas side and on the waste gas side.06-21-2012
20110048917CONTROLLABLE AIR DUCTS FOR FEEDING OF ADDITIONAL COMBUSTION AIR INTO THE AREA OF FLUE GAS CHANNELS OF COKE OVEN CHAMBERS - A device for feeding and controlling secondary air from secondary air ducts into flue gas channels of horizontal coke oven chambers is shown. The flue gas channels are located underneath the coke oven chamber floor on which coal carbonization is realized. The flue gas channels serve for combustion of partly burnt coking gases from the coke oven chamber. The partly burnt gases are burnt with secondary air, thus heating the coke cake also from below to ensure even coal carbonization. Secondary air comes from the secondary air ducts connected to atmospheric air and to the flue gas channels. Controlling elements are mounted in the connecting channels between the flue gas channels and secondary air ducts which can precisely control the air flow into the flue gas channels. Thereby, it is possible to achieve a much more regular heating and heat distribution in coke oven chambers. The actual controlling devices in the connecting channels can be formed by turnable pipe sections, wall bricks, or metal flaps. It is particularly advantageous to utilize a hump-like facility (tabouret) which sits in the secondary air ducts and which is comprised of a tabouret plate with a central opening that is slid under the corresponding embranchment to regulate the gas stream. The controlling mechanism can be actuated manually, electrically, or pneumatically. Thereby, the controlling device can also be automated.03-03-2011
20110259726APPARATUS AND METHOD FOR CONDUCTING THERMOLYSIS OF PLASTIC WASTE IN CONTINUOUS MANNER - The subject of the invention is apparatus and method for thermolysis of waste plastics especially polyolefins where reaction feedstock, reaction residuals and reaction products are removed continuously. Apparatus for thermolysis of waste plastics especially polyolefins includes plastic feeding system, pyrolysis reactor, discharge system according to the invention characterized in that after the plastic feeding system (10-27-2011
20110048918PROCESSING ORGANIC MATERIALS - A method and an apparatus for pyrolysing a solid organic feed material are disclosed. Solid organic material is moved through a reaction chamber and exposed to a temperature profile within the chamber that dries and pyrolyses the organic material and releases water vapour and a volatile products gas phase. The water vapour phase and the volatile products gas phase are moved counter-current to the solid organic material so that the water vapour phase and condensable components of the volatile products gas phase condense in cooler upstream sections of the chamber and form a liquid water product and a separate liquid oil product. The liquid water product is discharged via an outlet along the length of the chamber and a dried and pyrolysed solid product is discharged from a downstream outlet in the chamber.03-03-2011
20090173615PROCESS FOR SEPARATING DIISOPROPYLBENZENE (DIPB) AND TRIISOPROPLYBENZENE (TIPB) FROM A FEED COMPRISING DIPB, TIBP, AND POLYALKYLATE HEAVIES - Processes and apparatuses for separating diisopropylbenzene (DIPB) and triisopropylbenzene (TIPB) from a feed comprising DIPB, TIBP, and polyalkylate heavies are disclosed. The disclosed processes include introducing the feed into a distillation column having a column top pressure of less than 5 psia, a column bottoms pressure of less than 3 psi, and preferably 2 psi or less above the column top pressure with a bottoms temperature ranging from about 435° F. to about 465° F. The processes also include taking off a side draw comprising at least 99.8 wt % of the DIPB and at least 50 wt % of the IIPB present in the feed and a bottoms stream comprising at least 95 wt % of the heavies contained in the distillation feed. The low temperature bottoms temperature enables high pressure steam to be used as the bottoms reboiler heat source.07-09-2009
20110120853Porous Pyrolysis Reactor Materials And Methods - In one aspect, the invention includes a reactor apparatus for pyrolyzing a hydrocarbon feedstock, said apparatus including: a reactor component comprising a refractory material in oxide form, the refractory material having a melting point of no less than 2060° C. and which remains in oxide form when exposed to a gas having carbon partial pressure of 1005-26-2011
20120138445SYSTEMS AND METHODS FOR EXTRACTION OF HYDROCARBONS FROM COMMINUTED HYDROCARBONACEOUS MATERIAL - A method of collecting hydrocarbons from comminuted hydrocarbonaceous material within a vertical retort infrastructure having an outer boundary substantially comprised of igneous cementations materials, an inlet, a substantially horizontal suspended grate, an outlet, and an auger disposed proximate the outlet. In the method comminuted hydrocarbonaceous material in introduced proximate an upper end of the vertical retort. The comminuted hydrocarbonaceous material is passed through the substantially horizontal suspended grate and heated while passing through the grate. The heat causes organic material within the comminuted hydrocarbonaceous material to pyrolize. The comminuted hydrocarbonaceous material is then discharged through the outlet with the assistance of the auger disposed proximate the outlet.06-07-2012
20100288617Pyrolysis Reactor Materials and Methods - In one aspect, the invention includes a reactor apparatus for pyrolyzing a hydrocarbon feedstock, the apparatus including: a reactor component comprising a refractory material in oxide form, the refractory material having a melting point of at least 2060° C. and which remains in oxide form when exposed to a gas having carbon partial pressure of 1011-18-2010
20110253521METHOD FOR A CYCLICAL OPERATION OF COKE OVEN BANKS COMPRISED OF" HEAT RECOVERY" COKE OVEN CHAMBERS - A method for cyclical operation of a coke oven facility which includes an even number of coke oven banks which in turn include an even number of coke oven chambers is shown. Located downstream of the coke oven banks are boiler facilities which drive turbines with the hot waste gases from the coke oven banks. Energy is recovered in this manner. The coke oven chambers are pushed and charged in an exactly determined cycle so that the production of hot waste gas over the temporal mean can be homogenized.10-20-2011
20120043195Process for Regenerating Coked Particles - A process for regenerating coked particles, which process comprises contacting a hydrocarbon feedstock with solid particles in a reaction zone to produce coked particles, which coked particles are transferred to a regeneration zone in which they are contacted with steam to produce hydrogen and at least one or more oxides of carbon, wherein the solid particles comprise one or more of the following components: (i) an aluminosilicate zeolite comprising one or more of Mn, Ti and Zn; (ii) a Ce-containing aluminosilicate zeolite with a Ce loading of at least 0.05 wt % and/or a molar ratio of total other rare earth elements:Ce in the range of from 0:1 to 5:1; (iii) a magnesium and aluminium-containing anionic clay; (iv) a material with the Perovskite structure.02-23-2012
20120160659METHODOLOGY FOR THE REMOVAL OF INORGANIC COMPONENTS FROM URBAN WASTES, INDUSTRIAL WASTES AND SLUDGES FROM SEWAGE TREATMENT PLANTS - A methodology for the removal of the harmful components of ash from urban/industrial wastes and sludges from the sewage treatment plants is invented. The harmful components are alkaline metals, chlorine, sulphur, zinc, lead, and chromium. They are removed before the thermochemical conversion and therefore the corrosion problems, scaling/deposition, ash agglomeration, dioxin and furan emissions, alkaline metal, chlorine, sulphur emissions are minimized if not diminished. The emissions of heavy metals such as zinc, lead, copper, and chromium are reduced. The removal is achieved with prepyrolysis/pregasification at 250-320° C. for 5 min to 2 h of urban/industrial wastes and sludges from the sewage treatment plants. Then the prepyrolysed/pregasified sample is washed with a 0.5%-5% weight basis aqueous calcium acetate and/or magnesium acetate and/or aluminum acetate solution. These acetate salts can be mixed in a proportion of 0% to 100% to form an active salt which is used for the preparation of the aqueous solution. Otherwise, they can be used separately to prepare separate solutions for successive extractions with the same results. The proportions used and the use or not of successive extractions depend on the kind and on the composition of the initial material as well as on the desired properties of the material after treatment. Any kind tap water from a public water supply system, spring, etc. can be used for the preparation of aqueous solution. The solid-toliquid ratio is 33 g/L to 600 g/L, the temperature varies from 13° C. to 95° C., and treatment time is between 5 min to 2.06-28-2012
20130032464MICROWAVE ASSISTED FLASH PYROLYSIS SYSTEM AND METHOD USING THE SAME - The present invention provides a microwave assisted flash pyrolysis system to carry out microwave assisted flash pyrolysis in an industrial scale. The microwave assisted flash pyrolysis system comprises at least one microwave generator; a chamber comprises: at least one feedstock inlet, at least one baffle plate, a microwave-transparent rotating window, and at least one microwave inlet, at least one wet gas outlet, and at least one dry end product outlet. The present invention also provides a method using the same system to carry out microwave assisted flash pyrolysis.02-07-2013
20110315537SELECTIVE TEMPERATURE QUENCH AND ELECTROSTATIC RECOVERY OF BIO-OIL FRACTIONS - A process for quenching, separating and collecting targeted components of a hot pyrolysis product stream from the pyrolysis of biomass is provided. The process utilizes rapid quenching and electrostatic precipitation at a predetermined temperature in order to selectively collect one or more fractions of the hot mixture.12-29-2011
20130062186PROCESS FOR TREATING COAL USING MULTIPLE DUAL ZONE STEPS - A process for treating agglomerating coal includes drying coal in a drying step, and treating the dried coal in an oxidizing step to form oxides sufficient to convert the coal into a substantially non-agglomerating coal. The oxidized coal is pyrolyzed in a pyrolysis step to form coal char, and the coal char is cooled. At least one of the drying, oxidizing, and pyrolyzing steps is a dual zone step, with the dual zone step having a first zone and a second zone, with the temperature of the second zone being higher than that of the first zone.03-14-2013
20100200387INTERMEDIATE VAPOR COLLECTION WITHIN ENCAPSULATED CONTROL INFRASTRUCTURES - A method of recovering hydrocarbons from hydrocarbonaceous materials can include forming a constructed permeability control infrastructure. This constructed infrastructure defines a substantially encapsulated volume. A mined hydrocarbonaceous material can be introduced into the control infrastructure to form a permeable body of hydrocarbonaceous material. The permeable body can be heated sufficient to remove hydrocarbons therefrom. Hydrocarbon products can be collected from intermediate locations within the permeable body. Advantageously, an intermediate fluid collection system can be used to draw a hydrocarbon product from the permeable body at preselected locations. Such intermediate collection can provide hydrocarbon product fractions which can reduce or eliminate the need for full-scale distillation of a hydrocarbon product having a full range of products such as that typically found in crude oil. In addition, product quality can be tailored by monitoring such intermediate draws and adjusting operating parameters accordingly.08-12-2010
20130062187METHOD FOR COLLECTING RESIDUAL COKE FROM NON-RECOVERY AND HEAT-RECOVERY COKE OVENS - A method is disclosed for collecting so-called residual coke from a coke oven chamber while the door of the coke oven chamber is being opened. A collecting device is moved up against a guide plate arranged under the door of the coke oven chamber before the door of the coke oven chamber is opened, and the coke that falls out of the coke oven chamber falls across the guide plate into a collecting device. The collecting device is moved to a horizontal position after the coke has been collected so that the upper edge of the collecting device is at the height of the bottom of the coke oven chamber. The push-out device of the coke oven operating machine moves over the collecting device between the suspensions so that the coke is pushed out of the collecting device back into the coke oven chamber.03-14-2013
20120103782REFRACTORY OVEN DOORS AND REFRACTORY OVEN DOOR FRAMING WALLS OF A COKE OVEN BATTERY - A heat-resistant door device for closing a horizontal coke oven chamber is made of a refractory material, using a material containing silica or a material containing silica and aluminum oxides, in particular. The material has a low temperature expansion coefficient and it is thermally well insulating so that the door is not deformed and/or distorted during the coal carbonization process. The door device is built of a coke oven wall mainly located above the door and embracing the door as well as of a mobile door located underneath. Thereby less cold ambient air enters into the coke oven chamber and radiation losses are minimized. The door may be comprised of an ellipsoidal bulge by, which the coke can be better pushed into the coking chamber. The oven wall embracing the oven door can also be made of a refractory material containing silica or of a material containing silica and aluminum oxides.05-03-2012
20090283395Floor Construction for Horizontal Coke Ovens - The invention relates to a coke oven of a non-recovery horizontal type of construction, known as a non-recovery or heat-recovery coke oven, in which the coke oven floor is made up of at least two layers and each layer is formed of the same or different silica materials, wherein the first layer, seen from the oven space, is formed from a solid refractory material and the second layer comprises a multiplicity of openings, gaps, apertures or the like, the gas spaces of these openings, gaps, apertures or the like being in communication with the gas space of the flue gas duct running under them.11-19-2009
20120024688FLAT 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 enclosed quenching car so that substantially all of the coke from the coking oven is pushed as a unitary slab onto the receiving surface of the quenching car. The slab of incandescent coke is quenched in an enclosed environment within the quenching car with a plurality of water quench nozzles while submerging at least a portion of the slab of incandescent coke by raising a water level in the quenching car. Subsequent to quenching the coke, the planar receiving surface is tilted to an angle sufficient to slide the quenched coke off of the planar receiving surface and onto a product collection conveyer and sufficient to drain water from the quenched coke.02-02-2012

Patent applications in class Distillation: processes, thermolytic

Patent applications in all subclasses Distillation: processes, thermolytic