Abstract: Disclosed is an error recovery circuit facing a CPU assembly line, comprising: on-chip monitoring circuits (1), an error signal statistics module (2), a voltage frequency control module (3), an error recovery control module (4), an in-situ error recovery module (5) and an upper-layer error recovery module (6), wherein each of the on-chip monitoring circuits (1) is integrated at the end of each stage of assembly lines of the previous N?1 stages of assembly lines of a CPU kernel with an N-stage assembly line structure, so as to monitor the time sequence information about each clock period of an operating circuit, wherein N is a positive integer which is greater than or equal to 3 and less than 20.

Abstract: The invention relates to a device for the injection of recirculated exhaust gases from a vehicle engine, in particular a diesel engine, the injection device comprising a plurality of injection ports (26.1, 26.2, 26.3, 26.4), provided in a portion of the material of the injection device, each injection port (26.1, 26.2, 26.3, 26.4) having a cross section and a height extending through the thickness of the material. According to the invention, the cross sections and/or the heights of at least two of the injection ports (26.1, 26.2, 26.3, 26.4) are different.

Abstract: Techniques for generating elemental sulfur are provided herein. The disclosed methods may include a gas processing system including a processed feed gas. The methods may include a distillation column configured to receive the processed feed gas and to generate a high-pressure acid gas stream. The methods may include a reactor configured to partially combust the high-pressure acid gas stream to generate a limiting reactant. The methods may include a plurality of reactors configured with a shell side and a plurality of reaction tubes, where a reaction between the high-pressure acid gas stream and the limiting reactant produces a partially-reacted high-pressure acid gas containing elemental sulfur. The methods may include a plurality of condensers configured to condense the elemental sulfur. The methods may include a plurality of separators configured to separate out the partially-reacted high-pressure acid gas stream to recover elemental sulfur.

Abstract: The invention describes a plate heat exchanger 1 comprising two modules 1a and 1b. The two modules 1a and 1b are cuboidal and in each case are closed off to the outside by cover sheets 5. The two modules 1a and 1b are arranged such that cover sheets 9a and 9b of the same size are directly adjacent. The two cover sheets 9a and 9b form the contact surface between the two modules 1a and 1b of the plate heat exchanger 1. The two contact surfaces 9a and 9b are joined to one another via a suitable adhesive.

Abstract: In an outdoor unit, an electric component unit includes an inlet part which communicates with an outlet side of an air blower and through which air on the outlet side flows into the electric component unit, and an outlet part which communicates with an inlet side of the air blower and through which air flows out from the electric component unit.

Abstract: Solar connector receiver tubes with getter systems having a substantially toroidal shape are described.

Abstract: The present invention relates to a conversion set for a pipe bundle heat exchanger having a cylindrical housing. Using said conversion set, existing tube bundle heat exchangers can be changed over such that the efficiency and thus the heat transfer thereof is improved, large exchange surface areas are provided, and energy costs are reduced. The conversion set can also be used in high-pressure applications for pressures above 300 bar.

Abstract: The heat exchanger with a radial heat source has a first header, a second header, first tubes and second tubes. The first header is configured to allow liquid to enter and exit the heat exchanger. The second header is spaced from the first header and has at least one lower baffle provided therein. The first tubes extend from the first header to the second header, with the first tubes being spaced proximate to the radial heat source. The second tubes extend from the first header to the second header, with the second tubes being spaced from the radial heat source a greater distance than the first tubes. An enhancement device may be positioned in respective tubes of the first tubes to create a water vortex in the first tubes wherein boiling of the water in the first tubes is prevented.

Abstract: A steam generator includes a heat exchanger, a liquid header and a steam header. The heat exchanger is assembled by several heat exchanging subassemblies with the same structure. The heat exchanging subassembly includes a spiral heat transmission pipe bundle, a central cylinder and a sleeve. The spiral heat transmission pipes with different radii are concentrically and spirally arranged in an annular space between the central cylinder and the sleeve, to form one or more concentric heat exchanging pillar surfaces. One end of the liquid header is connected with a main water feeding pipe, and the other end of the liquid header is connected with the spiral heat transmission pipe bundle. One end of the steam header is connected with a main steam pipe, and the other end of the steam header is connected with the spiral heat transmission pipe bundle.

Abstract: A debris passage for a cooling box of a work vehicle. Airflow is provided into the cooling box from the exterior environment. A plurality of heat exchangers transfer heat into the airflow. The debris passage is defined between opposing heat exchangers to permit debris to pass from the airflow to the exterior of the cooling box. In one embodiment, the debris passage is underneath an air mover and is substantially vertical.

Abstract: A baffle for engine fluid cooling includes a fluid guide having a pair of side walls, a bottom wall, and a coolant fluid inlet. A channel receives a pair of heat exchangers such that one may be positioned proximate to or above a part of the bottom wall and the other may be positioned proximate to or above another part of the bottom wall. Some coolant entering the guide flows into the first heat exchanger and some coolant is passed under the first heat exchanger and subsequently into the second heat exchanger.

Abstract: A method of assembling a syngas cooler is provided. The method includes coupling a supply line within a cooler shell, coupling a heat transfer panel within the cooler shell, and coupling a heat transfer enclosure within the cooler shell such that the heat transfer enclosure substantially isolates the heat transfer panel from the cooler shell. A manifold is coupled in flow communication with the supply line, the heat transfer enclosure, and the heat transfer panel.

Abstract: A heat exchanger including a plurality of tubes disposed horizontally, a pair of vertical headers connecting the tubes, and at least one flow distribution baffle mounted to a header at one group of the plurality of tubes such that the flow distribution baffle is positioned between tubes of the one group. Each of the at least one flow distribution baffle is provided with at least one distribution hole allowing a refrigerant to pass therethrough. The heat exchanger prevents unbalanced distribution of the refrigerant when it operates as an evaporator of an outdoor unit.

Abstract: A first element and a second element are disposed in postures such that the length directions of the elements are parallel to each other. The first element is disposed in a posture such that a pair of opposing surfaces where a longitudinal flow passage is open is parallel to one main plate. The second element is disposed in a posture such that a pair of opposing surfaces where a longitudinal flow passage is open is parallel to the one main plate. A mixing flow passage formed as a result of the first element and the second element being disposed with a gap therebetween in a facing direction of side plates is provided between a transverse flow passage of the first element and a transverse flow passage of the second element.

Abstract: A heat exchanger having a cylindrical body comprising an upper section, a lower section, a side water jacket surrounding the upper and lower sections, a top water jacket disposed atop the upper section and a gas exhaust disposed below the lower section. A water cavity is disposed substantially in the lower section while a gas cavity having a burner is disposed substantially centrally within the gas cavity. A plurality of water tubes disposed in a ring formation, connect the water cavity through the gas cavity to the top water jacket and a plurality of gas tubes also disposed in ring formations, connect the gas cavity through the water cavity to the gas exhaust. At least one of the gas tubes ring has a diameter that is greater than that of the water tubes ring.

Abstract: A heat exchanger (10) is provided and in a highly preferred form is an EGR cooler (52) having first and second passes (56A,56B) that are connected to an inlet/outlet manifold (70) by a pair of corresponding thermal expansion joints (87,93) to allow differential thermal expansion between the various structural components of the heat exchanger (10).

Abstract: A heat exchanger comprises a stack of mutually spaced apart plates. The plates are separated by respective spacings therebetween. Alternate spacings respectively provide a flow path for a first fluid and a second fluid. The heat exchanger further comprises a first header for inflow of the first fluid and a second header for outflow of the first fluid. The first and second headers are connected to the plate stack by flexible tubular ducting means.

Abstract: The invention relates to a heat exchanger, particularly for a motor vehicle, comprising a plurality of exchanger tubes (3) attached to at least one floor for conveying a first fluid, wherein the exchanger tubes (3) are disposed in a housing through which a second fluid flows, wherein a holding member (5) is disposed inside the housing, wherein at least two of the exchanger tubes (3) are supported relative to one another by means of the holding member (5).

Abstract: A zone-control unit for use in a heating, ventilation, and air conditioning (HVAC) system, the zone-control unit includes a heat exchanger, an inlet piping assembly coupled with the heat exchanger for supplying fluid to the heat exchanger, an outlet piping assembly coupled with the heat exchanger for receiving fluid from the heat exchanger, a bracket that maintains the inlet piping assembly and the outlet piping assembly in positional relationship, and an ancillary component coupled with the heat exchanger.

Abstract: The invention relates to a heat exchanger in modular construction, in particular for facilities operated using large load and/or temperature changes, having an external shell and a number of heat exchanger modules, wherein each heat exchanger module, which is either a preheater, evaporator, or superheater module, has an entry manifold, and exit manifold, and meandering pipes, through which the heat-absorbing medium, in particular water, flows from the entry manifold to the exit manifold, and the heat exchanger modules are also situated in a shared external shell, so that they have the same heat-dissipating medium flowing around them, the evaporator modules being connected in parallel via a steam-collecting drum situated outside the external shell.

Abstract: A radiant synthesis gas (syngas) cooler used to contain and cool the synthesis gas produced by a coal gasification process used in an IGCC power plant employs a compact radial platen arrangement which is less prone to fouling and/or plugging issues.

Abstract: A power-generating tower comprises: at least one of the lower heat-exchange assemblies, at least one of the upper heat-exchange assemblies, a tower structure arranged to support each upper heat-exchange assembly, at least one ascending circulating-fluid column within the tower structure, at least one descending circulating-fluid column within the tower structure, and at least one turbine. Each ascending column is arranged and connected to receive the circulating fluid from at least one of the lower heat-exchange assemblies and to convey the circulating fluid thus received upward and into at least one of the upper heat-exchange assemblies. Each descending column is arranged and connected to receive the circulating fluid from at least one of the upper heat-exchange assemblies and to convey the circulating fluid thus received downward and into at least one of the lower heat-exchange assemblies. The turbine is arranged to be driven by flow of circulating fluid.

Abstract: A heat exchanger has an upper region, a lower region disposed vertically lower than the upper region, and a passive charge management device. The passive charge management device has an internal volume, an upper tube connecting the internal volume to at least one of the upper region and the lower region at a first vertical height, and a lower tube connecting the internal volume to at least one of the upper region and the lower region at a second vertical height that is vertically lower than the first vertical height.

Abstract: A heat exchanger includes: a housing; a working fluid inlet and a working fluid outlet in the housing through which a working fluid enters and exits the housing, respectively, wherein a working fluid flow path connects the working fluid inlet and the working fluid outlet; and a heat transfer medium inlet and a heat transfer medium outlet in the housing through which a heat transfer medium enters and exits the housing, respectively; wherein a heat transfer medium flow path connects the heat transfer medium inlet and the heat transfer medium outlet; further wherein the heat transfer medium flow path includes at least two distinct zones of operation including a radiation dominant zone and a conduction dominant zone.

Abstract: The present invention provides a single shell-pass shell-and-tube heat exchanger with helical baffles, where within a single pitch, the helical baffles are separated into inner and outer parts along the radial direction of the shell. In the central portion of the inner space of the shell, an inner non-continuous helical form is employed; in other portion outside the central portion, doughnut shaped helical baffles with continuous curved surfaces are arranged to form an outer continuous helical baffle, and the outer helical baffles are arranged to surround the inner helical baffles. Furthermore, the present invention relates to a multiple shell-pass shell-and-tube heat exchanger with helical baffles, in which complete continuous helical baffles are provided in shell-sides other than the inner shell-pass, while non-continuous helical baffles or other flow guide means are employed in the inner shell-pass.

Abstract: The present invention relates to a system of creating and applying a heated cleaning fluid to a surface. The system includes a housing with a first, a second and a third exhaust gas opening. A first, second, and third heat exchanger are enclosed within the housing. The first and second exchangers are serially arranged, while the third is at an angle relative to the first and second and directly adjacent to the first opening. Super heated exhaust gas flows through first opening and third exchanger. Heated gas flows through the second opening and passes below the third exchanger. Super heated exhaust gas exiting the third exchanger mixes with the heated gas in a mixing chamber of the housing, which is then supplied to the first and second exchangers. Fluid passes through the three exchangers and exits the third exchanger heated. That heated fluid passes to a cleaning wand for application.

Abstract: A stacked plate heat exchanger includes a core having an outer periphery and a longitudinal axis, a shell having an inner periphery and at least partially surrounding the core to define a fluid gap therebetween. A seal between the shell and the core at least partially divides the fluid gap into an inlet chamber and an outlet chamber, and includes at least one core fin projecting generally radially outwardly and having at least one core fixed end proximate the outer periphery of the core and at least one core free end distal the outer periphery of the core, and also includes at least one shell fin projecting generally radially inwardly and having at least one shell fixed end proximate the inner periphery of the shell and at least one shell free end distal the inner periphery of the shell, and being interleaved with the at least one core fin.

Abstract: A condenser-type heat exchanger having a set of welded plates that together define fluid systems that interpenetrate each other, comprises at least two modules of welded plates. Each module presenting an independent cooling system (CF1, CF2), fluid (CF2) being preferably colder than fluid (CF1), and a connecting chamber that connects the two modules in series in the system of fluid to be condensed such that the direction in which the fluid to be condensed flows is reversed when it changes from one module to the next module.

Abstract: A pressurized-gas cooler has a housing having a cylindrical side wall centered on an axis, an axially open outer end, and an axially closed inner end. A cover fitted to and closing the open outer end carries a bundle of tubes inside the housing between the housing ends. The tubes all extending parallel to one another at an angle of between 2° and 10° to a diametral plane including the housing axis such that the bundle is closer in a direction perpendicular to the plane to the side wall of the housing at one end of the housing than at the opposite end of the housing. Pressurized-gas inlet and outlet fittings open into the housing, with at least the gas inlet fitting opening into the housing to a side of the plane where the tube bundle at the respective end of the housing is more widely spaced.

Abstract: A reactor for the recovery of carbon and hydrocarbons from organic input material through pyrolysis includes a vessel with a chamber that is limited outwardly by an outer jacket and by an upper and a lower end-wall section, and in which chamber input material in fragmented form is to be placed; an inlet which for the introduction of heated inert gas into the chamber for passage through the input material comprises several inlet units arranged in areas in the chamber; and an outlet which for the passage out from the chamber of gas that has passed through the input material that has been placed in the chamber comprises number of outlet units arranged in areas in the chamber.

Abstract: Reformer and method for producing hydrogen and steam where steam is used for steam-assisted extraction of heavy hydrocarbons. Steam is injected into a hydrocarbon-containing reservoir. Hydrocarbons are extracted from the reservoir along with produced water. Hydrogen is produced in a catalytic steam hydrocarbon reformer. Combustion product gas from the reformer is used to generate wet steam in a once-through steam generator from produced water recycled from the reservoir. The wet steam is used for the steam-assisted extraction of heavy hydrocarbons. The reformer has a heat exchanger section including a first heat exchanger and a second heat exchanger downstream of the first heat exchanger. The second heat exchanger is suitable for processing the produced water by once-through steam generation and is suitable for mechanical cleaning. The reformer also has a first exhaust downstream of the second heat exchanger and a closeable second exhaust downstream of the first heat exchanger.

Abstract: A combustor for oxidizing a combustion fuel and pre-heating one or more reactants for fuel reforming. The combustor includes an elongated housing having an inlet for receiving a combustion fuel and an outlet for exhausting combustion products. The elongated housing further includes a cylindrical side wall, a bottom wall, and a top wall. Inert particles are disposed within the housing adjacent the inlet. A combustion catalyst bed is disposed within the housing above the inert particles that is a mixture of inert particles and combustion catalyst. The inert particles and the combustion catalyst preferably have a volumetric ratio of inert particles to catalyst between about 2:1 and about 4:1. The combustor has at least one heat exchanger within the combustion catalyst bed for heating a reformer reactant and generating steam. Preferably, the combustor includes at least two heat exchangers within the combustion catalyst bed, the heat exchanging elements have different surface areas.

Abstract: A heat exchanger comprising a large number of flexible individual elements, has supply and discharge devices for the heat exchanger media and also has, for these elements, tension devices which expand during heating. The tensioning of the individual elements, which are adhesively bonded at each of their two ends into slots of end plates, takes place by the application of the required forces to the end plates. A heat exchanger of this type is illustrated in FIG. 1.

Abstract: A heat exchanger apparatus is provided wherein a multifluid or at least three-fluid heat exchanger is mounted externally to but in combination with a two-fluid heat exchanger. The multifluid heat exchanger includes three fluid passages or conduits wherein heat energy can be transferred efficiently between at least one of the fluid conduits and each of the other fluid conduits. The multifluid heat exchanger and two fluid heat exchanger are arranged so that the two heat exchangers share a common fluid, the multifluid heat exchanger, therefore, allowing heat transfer to or from the common fluid to the two other fluids in the multifluid heat exchanger thereby improving the overall heat transfer amongst the fluids.

Abstract: The intake air cooler of the invention comprises a first cooling stage (24) and a second cooling stage (26) grouped in a single heat exchanger housing (30) and sharing a common heat exchanger bundle (28) accommodated in the housing and traversed by a cooling liquid. Application to turbocharged internal combustion engines for motor vehicles.

Abstract: The arrangement of a charge air cooler in an intake system of an internal combustion engine has a charge air cooler that on the one hand is supplied with combustion air and on the other hand with a liquid coolant. A coolant/air cooler is provided in which the liquid coolant is cooled by an air stream. The charge air cooler is slantedly arranged in a pipe conduit for the charge air with regard to the end face of a heat exchanger block exposed to the charge air. The end face of the charge air cooler is arranged relative to the cross-section of the pipe conduit at an angle of >45°.

Abstract: A gas cooling device capable of efficiently cooling a gas such as an EGR gas, etc. is provided. A multiplicity of cooling pipes perpendicularly intersecting a gas flow direction in a gas pipe for a gas such as an EGR gas, etc. are provided to extend through an outer peripheral wall of the gas pipe, a cooling jacket is provided on an outer surface of the gas pipe on both sides of a group of the cooling medium pipes in an axial direction, or on the entire outer surface of the gas pipe, and the gas in the gas pipe is cooled by a cooling medium flowing through the cooling pipes.

Abstract: A chemical reactor for catalytic reactions, comprises a substantially cylindrical shell (2) closed at the opposite ends by respective covers (3 and 4), at least one reaction zone (7, 8) in which a respective catalytic bed (9, 10) and a plurality of heat exchangers (25) placed in said at least one reaction zone (7, 8) are supported.

Abstract: A heat exchange unit, adapted to performing heat exchange between first and second fluids at different temperatures, comprises a heat exchange apparatus provided with a tube bundle, crossed internally by said first fluid, and containing means of the second fluid, adapted to receiving the exchange apparatus so that at least one portion of the tube bundle is externally surrounded by the second fluid. The exchange apparatus further comprises connection means which are structurally separate from said retainer means and to which one end of the tube bundle is operatively connected.

Abstract: An improved reactor for an HF alkylation unit of the shell-and-tube heat exchanger type has an axial tube bundle to provide cooling for the reactor and a centrally-located axial sparger system for injecting and dispersing the hydrocarbon reactants into the flow path in the reactor. The sparger comprises an axially-extensive tube with outlet nozzles for the hydrocarbon reactants arranged around the tube, preferably with differing radial angles, at different locations along the length of the sparger.

Abstract: A cooler device comprising a cooling portion with at least one tubular element which has an internal flow duct for guiding a first medium between a first and a second tank. A second cooling medium in contact with an outside surface of the tubular element cools the first medium as it is led through the flow duct. A first tank receives the first medium before it is led into the cooling portion. The first tank has an outside surface provided with protruding material portions which produce an enlarged contact surface with the cooling second medium so that the first medium is subjected to a first step of cooling within the first tank.

Abstract: An air-cooled multi-stage compression system using centrifugal compressors is disclosed. It is packaged in a comparable volume to a water-cooled unit having the same driver horsepower. The performance is comparable and opportunities for use of the waste heat are available. Existing water-cooled units can be retrofit to run in an air-cooled mode. Special applications such as combined air compression and nitrogen compression useful in air separation applications are presented. The circulating cooling air can make the unit into an air filter of its surrounding space. Cooling air is drawn through the enclosure before being forced through the coolers above. This air movement can cool compressor housings, the control panel and the drive motors mounted in the enclosure.

Abstract: Provided is a method including routing a compressed gas from a centrifugal gas compressor through at least one of a plurality of air coolers, and directing air flow through the plurality of air coolers, wherein the plurality of air coolers are arranged adjacent to one another in a single plane that is transverse to the air flow. Further provided is a method including removing tube cores from a cooler chamber of a liquid cooler of a centrifugal gas compressor, coupling a chamber port of the cooler chamber to a first port of an air cooler, and coupling a second port of the air cooler to a compressor port of a stage of the centrifugal gas compressor.

Abstract: The invention relates to a cooling system for an internal combustion engine on a vehicle, preferably for an agricultural or industrial commercial vehicle. The cooling system includes a high temperature circuit and a low-temperature circuit. The high temperature circuit cools the internal combustion engine and includes at least a first cooler. The low temperature circuit cools a charge air cooler and, optionally, an oil cooler and includes at least one second cooler. The charge air cooler has at least two parts or stages. In the direction of flow of coolant in the low temperature circuit, the second cooler is connected downstream of a first part of the charge air cooler, the oil cooler and a second part of the charge air cooler. Alternatively or additionally, a further cooling circuit cools the charge air cooler and includes at least one cooler.

Abstract: A heat exchanger for cooling reaction gas, wherein the respective ends of heat exchanger tubes, through which the reaction gas flows, are inserted in a respective tube plate and are surrounded by a jacket, at the two ends of which are provided a respective end chamber that is partially delimited by one of the tube plates and serves for the supply and withdrawal of the reaction gas; water, as cooling agent, flows through the inner chamber of the heat exchanger that is surrounded by the jacket and that is divided by a partition, extending perpendicular to the heat exchanger tubes, which extend through it, into two partial chambers disposed one after the other in the direction of flow of the reaction gas, each partial chamber being provided with its own supply connectors and outlet connectors for the cooling agent; boiling water flows through the partial chamber that is disposed on the inlet side for reaction gas and that is connected via a supply line and withdrawal lines with a water/steam drum; feed water flo

Abstract: This present invention describes a novel type of internal exchanger intended to carry out Fischer-Tropsch synthesis. This exchanger has a modular design and comprises a central tube with partitions allowing at the same time the supply of coolant to the hairpins of the module and the recovery of the partially vaporized fluid from these same hairpins.

Abstract: 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.

Abstract: A reformer includes a burner that generates thermal energy, and a reforming reaction unit that is supplied with thermal energy from the burner to generate a hydrogen-rich gas from a fuel, wherein the burner includes a burner main body having first and second portions that are constructed by bending the burner main body to form bended portions and coupling the bended portions together, wherein the burner main body is disposed in an inner portion of the reforming reaction unit, and wherein a first catalyst is filled in an inner portion of the burner main body.

Abstract: The present invention describes a novel type of internal exchanger for a gas-liquid-solid fluidized bed reactor employing a strongly thermal reaction. Said exchanger is modular in concept and comprises a central tube with separations allowing both supply of cooling fluid to the pins of the module and collection of partially vaporized fluid from said same pins.

Abstract: A method of cooling syngas in a gasifier is provided. The method includes channeling cooling fluid through at least one tube-bundle that includes at least three tubes coupled together within a radiant syngas cooler and extends through a reaction zone of the gasifier, and circulating reactant fluid around the at least one tube-bundle to facilitate transferring heat from the reactant fluid to the cooling fluid.