Class / Patent application number | Description | Number of patent applications / Date published |
422200000 | Indirect heat-exchange tube within reaction chamber with a nonreactant heat-exchange fluid passing therethrough | 34 |
20080219902 | REACTOR - A reactor including a reactor vessel and heat exchange tubes provided in the reactor vessel. The reactor vessel includes a tubesheet and is configured to receive a reaction fluid. The tubesheet has a first plate member configured to contact the reaction fluid and a second plate member configured to not contact the reaction fluid. Heat exchange tubes are provided in the reactor vessel and fixed to the first plate member. The heat exchange tubes are configured to receive a heat exchange medium. At least a portion of the first plate member configured to contact the reaction fluid is made of a metal that has a high corrosion-resistance against the reaction liquid, and the second plate member is made of a metal that has a low corrosion-resistance against the reaction liquid. The second plate member is detachably fixed to a remainder of the reactor vessel. | 09-11-2008 |
20080292517 | Isothermal Chemical Reactor - The present invention concerns an isothermal reactor ( | 11-27-2008 |
20090047193 | METHODS AND APPARATUS FOR COOLING SYNGAS WITHIN A GASIFIER SYSTEM - A method for operating a syngas cooler is provided. The method includes channeling a flow of syngas into an annular cooling chamber having a longitudinal axis, injecting a cooling fluid into a manifold such that the cooling fluid is channeled substantially circumferentially about the annular cooling chamber, and discharging the cooling fluid from the manifold such that the cooling fluid contacts a surface of the cooling chamber at a predetermined angle relative to the axis of the cooling chamber. | 02-19-2009 |
20090074635 | TUBE AND USE OF SAID TUBE - A metallic tube for heating a medium or subject outside thereof or inside it by transfer of heat energy through walls of the tube, in which heat is absorbed or emitted at least to a substantial degree by radiation on one or both of the inner and outer surfaces of the tube, is of a material forming a layer of essentially Al | 03-19-2009 |
20090081088 | Method and Device for Particulate Scrubbing and Conditioning - The invention is a device for conditioning a comminuted light alloy feedstock to heat and remove impurities from the feedstock. The conditioner device includes a reaction chamber having a substrate feed port for feeding the comminuted light alloy feedstock into the reaction chamber and a discharge port for allowing the conditioned feedstock to exit the reaction chamber. A scrubber gas baffle is positioned at one end of the reaction chamber and coupled to a scrubber gas injector which is configured to inject a scrubber gas through the scrubber gas baffle at a volume and rate of flow sufficient to fluidize the feedstock in the reaction chamber. A scrubber gas heater is also provided for heating the scrubber gas to a temperature sufficient to condition the feedstock as desired. | 03-26-2009 |
20090087359 | MICRO-REACTOR SYSTEM - A micro-reactor system assembly comprises a stack of at least n process modules ( | 04-02-2009 |
20090130001 | METHODS FOR FABRICATING SYNGAS COOLER PLATENS AND SYNGAS COOLER PLATENS - A method for fabricating a syngas cooler is provided. The method includes coupling a tube cage within the syngas cooler, and coupling a plurality of platens to the tube cage to facilitate steam production in the syngas cooler. At least a first platen has at least one of a length that is larger than a length of a second platen, a non-linear geometry, and an angular position that is oblique with respect to a wall of the syngas cooler. | 05-21-2009 |
20090162265 | Microreactor Assembly Incorporating Interconnect Backbone - A microreactor assembly comprising a fluidic interconnect backbone and plurality of fluidic microstructures is provided. The fluidic microstructures are supported by respective portions of the fluidic interconnect backbone, The microreactor assembly comprises a plurality of non-polymeric interconnect seals associated with the interconnect input and output ports. The interconnect input port of the fluidic interconnect backbone is interfaced with the microchannel output port of a first fluidic microstructure at one of the non-polymeric interconnect seals. The interconnect output port of the fluidic interconnect backbone is interfaced with the microchannel input port of a second fluidic microstructure at another of the non-polymeric interconnect seals. The interconnect microchannel is defined entirely by the fluidic interconnect backbone and is configured such that it extends from the non-polymeric interconnect seal at the microchannel output port of the first fluidic microstructure to the non-polymeric interconnect seal at the microchannel input port of the second fluidic microstructure without interruption by additional sealed interfaces. | 06-25-2009 |
20090274594 | METHODS AND SYSTEMS FOR FEED INJECTOR MULTI-COOLING CHANNEL - Methods and systems for a feed injector are provided. The feed injector includes a conduit including a flow passage extending along a longitudinal axis of the conduit to a distal end opening and a cooling passage integral to the conduit circumscribing the distal end opening. The cooling passage is configured to channel a flow of coolant circumferentially about the distal end opening wherein the cooling passage comprising a plurality of axially-spaced flow chambers. | 11-05-2009 |
20090311151 | System for On-Line Spalling of a Coker - Coker heater operation is improved by on-line spalling of coker heater pipes. In one embodiment an off-line pipe is added to the on-line coker heater pipes. When an on-line pipe is to be spalled, flow is diverted to the offline pipe allowing for full operation of the coker heater. In another embodiment, a thermal transfer resistant zone plate is movably mounted in the radiant section of the coker heater. By moving the zone plate from an operating position to a spalling position and adjusting the temperature of the plurality of burners, the temperature of the pipes in the zone of the heater radiant section to be spalled can be lowered, while the temperature in the remaining zones of the heater radiant section are fully operational. | 12-17-2009 |
20100008834 | MICROFLUIDIC SYSTEM - There is described a microfluid system with a microchannel structure for the passage of fluids and a further channel structure separated from the microstructure by means of at least one separating wall for the passage of a heat transfer fluid. The risk of internal leakage in the microfluid system can be recognized in time, by separation of the microchannel structure from a cavity of at least one point by a further separating wall, said separating wall being at least locally weaker than the separating wall between the microchannel structure and the further channel structure and said cavity is connected to a detector device for detection of ingressing fluid. | 01-14-2010 |
20100260650 | Apparatus for Carbon Nanotube Synthesis - A production amount and a yield in a carbon nanotube producing device are improved. Inside a reaction pipe ( | 10-14-2010 |
20100303684 | REACTOR COMPRISING COOLING MODULES - The invention relates to a reactor for carrying out an exothermic process comprising a reactor shell, inlets for introducing reactants and coolant into the reactor shell, outlets for removing product and coolant from the reactor shell, and a plurality of cooling modules, the reactor comprising for at least some of the modules a skirt for guiding gas underneath the modules. | 12-02-2010 |
20110027145 | GASKET, REACTOR USING THE SAME FOR SPIRAL SEALING AND MANUFACTURING METHOD THEREOF - Provided are a gasket, a reactor using the same for sealing a spiral, and a manufacturing method thereof. The present invention improves a spiral sealing mechanism of a reactor wherein, spirals are continuously installed in the longitudinal direction between an inner pipe and an outer pipe coaxially arranged to form a flow path for a heat medium, so the seal between the spiral and the outer pipe is stably maintained and fabrication of the reactor is facilitated. The gasket ( | 02-03-2011 |
20110104018 | DEVICE FOR COOLING AND DISTRIBUTING MIXED CHARGES ON FIXED CATALYST BEDS - This invention relates to a device for cooling and distributing mixed charges on fixed catalyst beds for use in the cooling zone of descending flow reactors which comprises a flat tray fitted with collector and distributor tubes for liquid superimposed upon and connected to another flat tray of similar design to the upper tray. The device, which is of smaller size in comparison with other commercially available devices, is extremely simple to install industrially and compact, and has as its main characteristic the efficiency with which it promotes reduction of the temperature of the reaction medium when it receives the cooling fluid within the catalytic reactor. | 05-05-2011 |
20110305604 | REACTOR FOR PRODUCING POLYCRYSTALLINE SILICON USING THE MONOSILANE PROCESS - A reactor that produces polycrystalline silicon using a monosilane process includes a reactor base plate having a multiplicity of nozzles formed therein through which a silicon-containing gas flows, a plurality of filament rods mounted on the reactor base plate, and a gas outlet opening located at a selected distance from the nozzles to feed used monosilane to an enrichment and/or treatment stage, wherein the gas outlet opening is formed at a free end of an inner tube, the inner tube is conducted through the reactor base plate, and the inner tube has an outer wall and an inner wall and thus forms an intermediate space in which at least one cooling water circuit is conducted. | 12-15-2011 |
20120039761 | APPARATUS FOR REMOVING HEAT FROM INJECTION DEVICES AND METHOD OF ASSEMBLING SAME - A method of assembling an injection device for use in a reactor injector feed assembly includes extending the injection device at least partially into a cavity. The injection device includes a plurality of substantially concentric conduits coupled to a modular tip that includes a plurality of cooling channels and a plurality of substantially annular nozzles defined therein. The method also includes coupling at least one coolant distribution device in flow communication with the plurality of cooling channels to facilitate removing heat from an outer surface of the injection device. | 02-16-2012 |
20120039762 | Isothermal Tube Reactor - A tube isothermal chemical reactor ( | 02-16-2012 |
20120219467 | APPARATUS FOR VENTING A CATALYST COOLER - The apparatus herein provide a catalyst cooler with a vent that communicates fluidizing gas to a lower chamber of a regenerator. Air that is used as fluidizing gas can then be consumed in the regenerator without promoting after burn in the upper chamber. | 08-30-2012 |
20130084223 | THREE PHASE REACTOR - A reactor for carrying out a chemical reaction in a three phase slurry system providing a horizontal reaction vessel with a cross sectional area which is dependent on the vessel length, vessel diameter, and axial position. The vessel has a gas inlet at or near the bottom of the reaction vessel and a gas distributor. The gas product exits the vessel by conduit means at or near the top of the reaction vessel. The vessel includes a plurality of horizontal cooling coils to provide a cooling medium to the slurry. In the reaction vessel, the synthesis gas has an average linear velocity which is a function of the vessel cross sectional area. | 04-04-2013 |
20150336064 | EFFICIENT FIXED BED PLATFORM FOR PRODUCTION OF ETHYLENE OXIDE BY PARTIAL OXIDATION OF ETHYLENE USING CATALYST OF WIDE SELECTIVITY - At least one method to efficiently produce alkylene oxide from partial oxidation of hydrocarbons using a high efficiency heterogeneous catalyst in a fixed bed enclosed within a reaction vessel, and a reaction vessel constructed to facilitate the same. | 11-26-2015 |
422201000 | Tube and shell type | 13 |
20090041642 | Radiant coolers and methods for assembling same - A method of assembling a radiant cooler is provided. The method includes providing a vessel shell that includes a gas flow passage defined therein that extends generally axially through the vessel shell, coupling a plurality of cooling tubes and a plurality of downcomers together to form a tube cage wherein at least one of the plurality of cooling tubes is positioned circumferentially between a pair of circumferentially-adjacent spaced-apart downcomers, and orienting the tube cage within the vessel shell such that the tube cage is in flow communication with the flow passage. | 02-12-2009 |
20090074636 | Method for Processing Hydrocarbon Pyrolysis Effluent - A method is disclosed for treating the effluent from a hydrocarbon pyrolysis process unit to recover heat and remove tar therefrom. The method comprises passing the gaseous effluent to at least one primary heat exchanger, thereby cooling the gaseous effluent and generating high pressure steam. Thereafter, the gaseous effluent is passed through at least one secondary heat exchanger having a heat exchange surface maintained at a temperature such that part of the gaseous effluent condenses to form in situ a liquid coating on said surface, thereby further cooling the remainder of the gaseous effluent to a temperature at which tar, formed by the pyrolysis process, condenses. The condensed tar is then removed from the gaseous effluent in at least one knock-out drum. | 03-19-2009 |
20090220396 | Plant for Urea Production - Plant for urea production from ammonia and carbon dioxide having a so-called high-pressure section which comprises a synthesis reactor and a condensation unit ( | 09-03-2009 |
20100135871 | Isothermal Reactor - The present invention concerns an isothermal reactor ( | 06-03-2010 |
20100260651 | Cooling System and Shell-Type Reactor with Such Cooling System - A cooling system for use in a shell-type reactor includes vertically extending double tubes with an inner tube and an outer tube closed at its lower end. The system also includes a distributor for supplying a fluid cooling medium into the upper end of the inner tubes and a horizontally extending plate, which on its upper surface includes at least two upwardly open, parallel grooves. Two adjacent grooves are separated by a common inner wall. At least one outer tube, having an upper end, is disposed in each groove, through the plate. Each outer tube is tightly welded to the plate on the groove base. The upper, open side of each groove is closed with a lid, so that each groove forms a collector for discharging the cooling medium from the outer tubes. Each inner tube opens through the lid into a distributor and is tightly attached to the lid. | 10-14-2010 |
20110008218 | METHOD OF PRODUCING UNSATURATED ACID FROM OLEFIN - Disclosed is a shell-and-tube heat exchanger type reactor that can be used for a process of producing unsaturated acids from olefins via fixed-bed catalytic partial oxidation, which comprises at least one reaction tube, each including at least one first-step catalyst layer, in which olefins are oxidized by a first-step catalyst to mainly produce unsaturated aldehydes, and at least two second-step catalyst layers, in which the unsaturated aldehydes are oxidized by a second-step catalyst to produce unsaturated acids, wherein a first catalyst layer of the second-step catalyst layers, disposed right adjacent to the first-step catalyst layer, has an activity corresponding to 5˜30% of the activity of the catalyst layer having a highest activity among the second-step catalyst layers. A method of producing unsaturated acids from olefins by using the reactor is also disclosed. | 01-13-2011 |
20110104019 | Polyester Production System Employing an Unagitated Esterification Reactor - A polyester production system employing a vertically elongated esterification reactor. The esterification reactor of the present invention is an improvement over conventional CSTR esterification reactors because, for example, in one embodiment, the reactor requires little or no mechanical agitation. Further, in one embodiment, the positioning of the inlets and outlets of the reactor provides improved operational performance and flexibility over CSTRs of the prior art. | 05-05-2011 |
20130216448 | COMPACT FISCHER TROPSCH SYSTEM WITH INTEGRATED PRIMARY AND SECONDARY BED TEMPERATURE CONTROL - A Fischer Tropsch (“FT”) reactor includes at least one FT tube. The FT tube may include a catalyst that is designed to catalyze an FT reaction, thereby creating a hydrocarbon from syngas. The FT reactor also includes a primary cooling fluid flow path that extends in a direction that is substantially parallel to the longitudinal length of the FT tube. A secondary cooling fluid flow path extends in a direction that is different than the direction of the primary cooling fluid flow path. | 08-22-2013 |
20140004017 | METHOD TO REDUCE CONDENSATION IN COOLING ZONE COOLER OF CONTINUOUS CATALYST REGENERATION SYSTEM | 01-02-2014 |
20140065029 | SYMMETRICAL REACTOR INCLUDING A PLURALITY OF PACKED TUBES - A reactor having a top to bottom design configuration capable of being operated in an up flow or down flow configuration with equal ease, where the reactor includes a plurality of tubes optionally housed within a shell and includes top and bottom screen assemblies capable of retaining a catalyst within the tubes, while permitting reactants and products to flow through them. | 03-06-2014 |
20140199214 | Ethylene Cracking Furnace - The present disclosure provides an ethylene cracking furnace, comprising at least one radiant section provided with a bottom burner and/or a side burner, and at least one set of radiant coil arranged along a longitudinal direction of the radiant section. The radiant coil is an at least two-pass coil having an N−1 structure, wherein N is preferably a natural number from 2 to 8. A manifold is arranged at an inlet end of a downstream tube of said at least two-pass coil, and an outlet end of each upstream tube of said at least two-pass coil is connected to the manifold through a curved connector. The arrangement according to the present disclosure can effectively reduce the expansion differences between the upstream tubes and the downstream tubes, and therefore reduce the stress caused thereby. Consequently, bending of the radiant coil can be avoided, thereby extending the service life of the radiant coil. | 07-17-2014 |
20150086440 | METHOD FOR MANUFACTURING A TUBE SHEET AND HEAT EXCHANGER ASSEMBLY FOR A POOL REACTOR OR POOL CONDENSER; CORRESPONDING TUBE SHEET AND HEAT EXCHANGER ASSEMBLY - The present application relates to a method of manufacturing a tube sheet ( | 03-26-2015 |
20160045889 | Ethylene Cracking Furnace - The present disclosure provides an ethylene cracking furnace, comprising at least one radiant section provided with a bottom burner and/or a side burner, and at least one set of radiant coil arranged along a longitudinal direction of the radiant section. The radiant coil is an at least two-pass coil having an N−1 structure, wherein N is preferably a natural number from 2 to 8. A manifold is arranged at an inlet end of a downstream tube of said at least two-pass coil, and an outlet end of each upstream tube of said at least two-pass coil is connected to the manifold through a curved connector. The arrangement according to the present disclosure can effectively reduce the expansion differences between the upstream tubes and the downstream tubes, and therefore reduce the stress caused thereby. Consequently, bending of the radiant coil can be avoided, thereby extending the service life of the radiant coil. | 02-18-2016 |