Abstract: A method of assembling a syngas cooler is provided. The method includes coupling at least one cooling tube within the syngas cooler, wherein the at least one cooling tube includes an inner surface that defines a flow passage therethrough, an opposite outer surface, and at least one cooling fin extending outward from the outer surface, and orienting the at least one cooling tube such that the at least one cooling fin is in flow communication within a syngas flow passage defined in the syngas cooler, wherein the cooling fin facilitates enhancing heat transfer between fluid flowing in the at least one cooling tube and a syngas flow.

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 device for cooling exhaust gas from an internal combustion engine comprises a plurality of flow ducts which are connected to an exhaust gas recirculation system of the internal combustion engine, a heat exchanger for a coolant to flow around the flow ducts in order to dissipate the exhaust gas heat, and an insert 7, 7? which is arranged within at least one of the flow ducts. The insert 7, 7? is in thermal contact with the flow duct such that the exhaust gas flows at least partially around the insert. The insert 7, 7? has profiled fins 8, 8?, with profiles 9, 9? which are successive in the flow direction of the exhaust gas being arranged so as to be laterally offset relative to one another.

Abstract: In a heat exchanger including a plurality of tubes 1 through which a first fluid passes, a housing 2 in which the tubes 1 are installed, and sealing members for sealing a second fluid that flows over surfaces of the tubes 1, the housing 2 includes an inlet 4 for introducing the second fluid therein and a first outlet 5 and second outlets 6 for discharging the second fluid, and the sealing members include a first sealing member 3a positioned on one of end sides of the tubes 1, a second sealing member 3b positioned on the other end side of the tubes 1, and a third sealing member 3c positioned between the first and second sealing members 3a and 3b. The third sealing member 3c is provided so that a gap 7 is provided between the first sealing member 3a and the third sealing member 3c while another gap 7 is provided between the second sealing member 3b and the third sealing member 3c, and that a flow path for the second fluid is formed therein. The second outlets 6 are provided so as to be connected to the gaps 7.

Abstract: A secondary heat exchanger B for recovering latent heat from combustion gas includes water tubes 5 each of which is so inclined that a first end 50a is positioned lower than a second end 50b. Therefore, in draining water from each of the water tubes 5, water can be caused to flow smoothly into a water-inflow and hot-water-outflow header 6A connected to the first ends 50a. The secondary heat exchanger B includes a casing 7 which includes an upper wall 70a and a bottom wall 70b which are so inclined that the inner surfaces thereof extend generally in parallel with the water tubes 5, and the upper and the lower gaps 79a and 79b have constant widths s2 and s3. Therefore, the amount of heat recovery from the combustion gas passing through the gaps 79a and 79b can be increased.

Abstract: A heat exchanger apparatus enables the temperature of a liquid located external to the apparatus in a recirculation loop to be controlled by heat transfer within the apparatus. A manifold fitting is also provided for distributing fluid from multiple conduits to a single conduit.

Abstract: Disclosed is a heat exchanger, especially an exhaust gas heat exchanger, comprising a housing (101, 201, 301, 401, 501, 601, 702, 801, 901, 1101, 1401, 1501, 1901, 2001, 2101, 2201) which can be penetrated by at least one first medium (M1) and at least one second medium (M2), and at least one sealing element (213, 607, 707, 906, 1006, 1011, 1411, 1506, 2205). At least one flow means (217, 1507, 1507a, 1508, 1904, 2005, 2105, 2206, 2206a, 2206b), around which the second medium flows, is provided inside the housing, said flow means improving heat transfer from the first medium to the second medium.

Abstract: A heat exchanger includes a vertical pressure vessel having a air-tight structure, one and another sets of fluid inlet/outlet ports provided to upper and lower portion of the vertical pressure vessel, respectively, and a heat exchanging module disposed in the pressure vessel to a portion between both sets of the fluid inlet/outlet ports, the heat exchanging module being formed by stacking a number of heat exchanging elements. At least one set of the fluid inlet/outlet ports are configured to provide a header composed of a pipe structural member having a bottom portion closed and a heat insulating material attached to an inner surface of the pipe structural member, and end portions of fluid flowing pipes communicating with the heat exchanging module are opened at the closed fluid inlet/outlet ports in the header.

Abstract: The present invention offers an improved axial heat exchanger for exchanging heat between a gas medium and a fluid or liquid medium. The axial heat exchanger comprises a longitudinal and substantially axially extended outer channel that is adapted to enclose a flow of a first gas medium. The heat exchanger also comprises a plurality of substantially parallel inner channels that are adapted to enclose a flow of a second liquid medium. The inner channels are arranged inside the outer channel so as to extend substantially axially along the inside of said outer channel for enabling a transfer of heat between said first gas medium and said second liquid medium. The heat transfer is improved to some extent as the number of inner channels increases and it is further improved in that at least one of the inner channels is joined with at least one elongated sheet.

Abstract: This exchanger comprises a pair of primary tubular bundles (5a, 5b) surrounding a fuel or gas burner (4a, 4b), and a secondary tubular bundle (6) on which condensation of the steam contained in the burned gases discharged from the primary bundles occurs, wherein the three bundles (5a, 5b, 6) are mounted parallel, side-by-side inside a gas-tight casing (10), and communicate with one another, with means being provided in order to circulate the water to be heated, between the tubes forming the secondary bundle (6) and the tubes forming the primary bundles (5a, 5b); the casing (10) is subdivided at the level of the secondary bundle (6) by a partition (7-70) that extends both inside and outside said bundle (6), with the arrangement being such that a only a circumferential section of the latter is capable of being contacted and traversed by the hot gases coming from one of the two primary bundles (5a), and its remaining section being capable of being contacted and traversed only by the hot gases coming from the oth

Abstract: In the arrangement in a heat exchanger in accordance with the invention, the heat exchanger comprises a shell and tubes. The tubes are placed inside the shell. The first medium entering the heat exchanger can be conducted into the tubes and the second medium between the inner shell surface and outer tube surface, and the first medium from the heat exchanger can be conducted out from the tubes and the second medium out from between the inner shell surface and outer tube surface. The heat exchanger comprises at least two tube rows placed in succession in the direction of the second medium's flow. The first tube row comprises at least two tubes, the first distance being between the two parallel tubes, the second distance being between the first parallel tube in the first row and a tube in the second row, and the third distance is between the second parallel tube in the first row and the tube in the second row.

Abstract: A heat exchange furnace includes a combustion furnace module, a passageway module disposed around and connected removably to the combustion furnace module, and a gas-guiding unit including upper and lower guiding modules connected respectively to upper and lower ends of the passageway module. During assembly, the lower guiding module is first connected removably to the passageway module. Subsequently, the passageway module is sleeved removably on the combustion furnace module. Finally, the upper guiding module is connected removably to the passageway module.

Abstract: The present invention provides a heat exchanger including a flow duct for a coolant and a flow duct for a medium to be cooled, a cover on one side of the heat exchanger, and a thermostat valve operable to regulate temperature-dependent throughflow in one of the flow ducts, arranged on an inflow or outflow duct, and covered by the cover. A temperature sensor of the valve is arranged in a housing, which is fastened in proximity to the inflow or outflow duct so that one of the medium to be cooled and the coolant can flow around an outer side of the housing, with the temperature sensor on an inner side of the housing reacting to a local temperature and correspondingly regulating throughput of an other of the medium to be cooled and the coolant through the heat exchanger.

Abstract: The invention relates to a heat exchanger (1) with flow channels (3), which can be flowed through from a common first inlet to a common first outlet by a first fluid, comprising a housing (2), which accommodates the flow channels (3) and which can be flowed through by a second fluid from a second inlet area to a second outlet area. The flow channels (3) have a flat cross-section as well as longitudinal sides (3a) and are flow-connected to one another. The invention provides that the longitudinal sides (3a) of the flow channels (3) are integrally connected to the housing (2), particularly by soldering.

Abstract: A heat sink including one or more vented pipes for directing air through a plurality of enclosed chambers formed by a plurality of fins in an enclosed structure having at least a first side and a second side. An air inlet in the first side of the enclosed structure allows pressurized air to enter the plurality of enclosed chambers through the one or more vented pipes. An air outlet in the first side of the enclosed structure allows pressurized air to exit the plurality of enclosed chambers through the one or more vented pipes.

Abstract: A heat exchanger for a gas boiler for producing hot water is provided with a casing extending along a first axis and through which combustion fumes flow; a tube forming a plurality of turns along which water flows arranged inside the casing so as to form gaps between adjacent turns; a disk for guiding said fumes trough the gaps; and teeth integrally made with the tube for spacing adjacent turns apart and forming said gaps.

Abstract: A charge air cooler comprises at least one tubular element with an internal flow duct for guiding compressed air, and a tank for receiving the compressed air before it is led through the flow duct. The compressed air is cooled by a first cooling medium of ambient air as it passes through the flow duct. A cooling element at least partly situated inside the tank provides the compressed air in the tank with a first step of cooling before the air is led to the flow duct wherein the air undergoes a second step of cooling.

Abstract: A heat exchanger system includes a duct having a duct wall with a duct wall outer surface and a duct wall inner surface; and a heat exchanger partial shell hermetically joined to the duct wall inner surface. The heat exchanger partial shell and a shell portion of the duct wall inner surface constitute a heat exchanger. A heat exchanger inlet manifold is defined by a nonplanar inlet sheet of material hermetically joined to the duct wall outer surface. A heat exchanger outlet manifold is defined by a nonplanar outlet sheet of material hermetically joined to the duct wall outer surface. A heat exchanger inlet opening extends through the duct wall between the inlet manifold and the heat exchanger, and a heat exchanger outlet opening extends through the duct wall between the outlet manifold and the heat exchanger.

Abstract: A heat exchange furnace includes a surrounding wall disposed around a combustion furnace unit so as to define an annular heat exchange space therebetween. Upright buffer plates divide the heat exchange space into a plurality of air chambers communicated with each other. Upper and lower gas-guiding members are connected respectively and fixedly to upper and lower ends of the surrounding wall. Conduit sets are disposed within the heat exchange space, and cooperate with the upper and lower gas-guiding members so as to constitute cooperatively at least one serpentine gas flow path disposed within the heat exchange space.

Abstract: The invention relates to a heat exchanger (1) having a plurality of tubes (4) and at least one box (3) that is closed by a bottom (2) provided with openings (6), at least one end (5) of the tubes (4) leading to said box.

Abstract: A fuel supply system for an internal combustion engine operable using hydrogen and/or for a fuel cell includes a hydrogen tank, which is provided for storing deep-cooled, liquid hydrogen, and a heat exchanger, which is provided for preheating the deep-cooled hydrogen. The heat exchanger is enclosed by a fluid-tight mantle. An intermediate space is provided between the heat exchanger and the mantle, which has a fluid flowing through it, which delivers heat to the heat exchanger and insulates the heat exchanger in relation to the surroundings.

Abstract: A heat exchange unit for axial and radial pseudo-isothermal reactors which comprise a substantially cylindrical shell (2) closed at the opposite ends by base plates (3, 4), a reaction zone (6) containing a catalytic bed and at least one heat exchanger (11) of the type with a plate having a variable section along the direction of the flow of operating heat exchange fluid.

Abstract: A vertical heat exchanger is described, which allows efficient elimination of the gas generated therein and efficient removal of the sludge accumulated therein. The vertical heat exchanger has at least part of one end of a vent pipe formed of an upper tube sheet part (an upper cover part in the case of a spiral heat exchanger) and the other end thereof connected outside the heat exchanger to an immediately adjacent fluid passing port passing the same fluid as the vent and/or at least part of one end of a drain pipe formed of a lower tube sheet part (a lower cover part in the case of a spiral heat exchanger) and the other end thereof connected outside the heat exchanger to an immediately adjacent fluid passing port passing the same fluid as the drain.

Abstract: A fuel cooler with lamellar inner structures for connecting to an air-conditioning system of a vehicle includes an outer housing having outer connections connected to an outer supply pipe and an outer discharge pipe for a first fluid with the outer connections being integrated into walls of the outer housing in a diagonally mismatched arrangement. An inner conduit cell, surrounded by the outer housing, has an inner supply pipe and an inner discharge pipe for a second fluid passing through the inner conduit cell, which includes lamellas oriented parallel to a direction of flow of the second fluid, with the first fluid coming into contact with an outer contact surface of the inner conduit cell prior to exiting the outer housing for creating a heat exchange between, and without a mixing of, the two fluids, which are fuel and a coolant.

Abstract: A cold plate for a beverage chilling apparatus comprising a plurality of beverage conducting tubes sinuously arranged within a cast aluminum jacket. Interleaved between the beer conducting tubes are coolant conducting lines arranged in heat exchanging relation. The coolant lines are derived from a main coolant line pumping coolant to the cold plate, where a coolant inlet is divided into two separate smaller intermediate coolant segments at a first stage. Each intermediate glycol segment is then subdivided at a second stage into four heat exchanging coolant lines. At each subdivision of the coolant fluid conducting system, a pair of smaller lines equal distance from a feed line and having a smaller diameter than the feed line are incorporated using a two-for-one splitter so that each stage doubles the number of lines from the previous stage.

Abstract: An adsorption module has heat medium pipes through which a fluid flows, a porous heat transferring member, and adsorbent. The porous heat transferring member is a sintered body formed by sintering a metallic material that is in a form of one of powders, particles and fibers, and has pores for allowing an adsorbed medium to pass through. The porous heat transferring member is disposed on peripheries of the heat medium pipes and bonded to outer surfaces of the heat medium pipes by sintering. The adsorbent is disposed in the pores. The porous heat transferring member further has an adsorbed medium passage for allowing the adsorbed medium to pass through. The adsorbed medium passage is located between the heat medium pipes, and extends straight and parallel to axes of the heat medium pipes.

Abstract: The invention comprises a heat exchanger with plate structure and a flow guide plate (32). The flow guide plate (32) comprises at least one recess (42) for turning the stream of a heat transfer medium substantially from the direction of the thickness of the plate to be parallel with the plane of the plate.

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 plurality of first joint tubes 40 connected to a plurality of heat transfer tubes 3 and a plurality of second joint tubes 50 provided at a header 5B are connected to each other at joints J. The joints J include at least one slide joint Ja at which respective ends of the first and the second joint tubes 40 and 50 are fitted to each other slidably in a predetermined direction. The joints J further include at least one butt joint Jb at which an end of either one of the first and the second joint tubes butts against a sealing surface provided at the other one of the first and the second joint tubes. The butt position of the sealing surface and the end is variable in a direction crossing the predetermined direction. With this arrangement, the influence of an error in the arrangement of the first and the second joint tubes 40 and 50 is reduced, so that the header 5B is properly connected to the heat transfer tubes 3 detachably, and the maintenance of the heat exchanger HE is facilitated.

Abstract: In an exhaust system structure for a vehicle, an exhaust system heat exchanger that is provided at an exhaust system path of a vehicle and comprises a heat exchange portion which carries out heat exchange between exhaust gas and a cooling medium is supported at a vehicle body via a support rod. The support rod is fixed at an exhaust gas exhaust portion, which is an outer contour portion constituting a portion other than the heat exchange portion in a partition wall pipe of the exhaust system heat exchanger, and is supported at the vehicle body by a support rubber disposed to the side of the heat exchange portion. A support structure of an exhaust system heat exchanger that can support the exhaust system heat exchanger at a vehicle body in an excellent manner is obtained.

Abstract: An exhaust gas heat exchanger has a tube which is made of a stainless steel and in which exhaust gas flows, and an inner fin which is made of a stainless steel and arranged in the tube to improve a heat exchange between the exhaust gas and cooling water. The cooling water flows at an outer side of the tube. The fin pitch fp of the inner fin is substantially in the range of 2 mm<fp?12 mm, and the fin height fh of the inner fin is substantially in the range of 3.5 mm<fh?12 mm.

Abstract: A water tube WT of a heat exchanger B includes a helical tube body 5 which includes a plurality of loops 50 arranged in the axial direction. At least one of the loops 50 includes an inclined tube portion which is inclined with respect to the axial direction and a non-inclined tube portion extending perpendicularly to the axial direction. The inclined tube portion is provided at each of opposite end regions s2a and s2b in a width direction crossing the axial direction, whereas the non-inclined tube portion is provided at an intermediate region S1 in the width direction. With this structure, the pitch p2 of the loops 50 is reduced. Therefore, by increasing the number of loops 50, high heat exchange efficiency is achieved without considerably increasing the size of the helical tube body 5.

Abstract: A heat exchanger transfers heat between primary and secondary fluid coolants. A housing has a longitudinal central axis lying within a transverse housing plane. A bottom wall with a concave inner surface faces upward and extends along the central axis. A plurality of arcuately helical lower sector fins are spaced apart along the central axis on the bottom wall inner surface. A cover has a longitudinal central axis lying within a transverse cover plane. A top wall with a concave inner surface faces downward and extends along the central axis. A plurality of arcuately helical upper sector fins are spaced apart along the central axis on the top wall inner surface. A copper tube is assembled into the housing in a direction transverse to the housing axis with the tube closely adjacent the lower sector fins. First and second sealing means seal the tube ends to the housing. The cover is assembled into the housing in a direction transverse to the housing axis with the upper sector fins closely adjacent the tube.

Abstract: Element for heat exchanging between fluids, where the flowing canals for the fluids are formed of slits on either side of a thin, folded sheet material (1), and that the ratio between the slit width (24) of the canals and depths (25) in the slits is less than 0.15 times the thickness of the sheet material.

Abstract: LNG facility employing one or more vertical core-in-kettle heat exchangers to cool natural gas via indirect heat exchange with a refrigerant. The vertical core-in-kettle heat exchangers save plot space and can be use to reduce the size of cold boxes employed in the LNG facility. In addition, vertical core-in-kettle heat exchangers can exhibit enhanced heat transfer efficiency due to improved refrigerant access to the core, improved refrigerant circulation around the core, and/or improved vapor/liquid disengagement above the core.

Abstract: There is provided a gas heat exchanger 101 comprising a coolant conduit 102 having a coolant inlet 103 and a coolant outlet 104, a gas cooling conduit 201, and a gas bypass conduit 203. At least a portion of the gas cooling conduit 201 is disposed between at least a portion of the coolant conduit 102 and a portion of the bypass conduit 203. During a first mode of operation, the gas cooling conduit 201 is configured to carry gas. During a second mode of operation, the bypass conduit 203 is configured to carry gas and the gas cooling conduit 201 is configured to reduce a heat exchange between the coolant conduit 102 and the bypass conduit 203.

Abstract: This invention relates to an apparatus for conditioning the temperature of a fluid by utilizing a thermoplastic heat exchanger (50) comprised of a plurality of hollow tubes. The apparatus controls the temperature of a process fluid inside the heat exchanger (50) via a controller (46) by adjustment of a control valve (64) that regulates the flow of an exchange fluid. The apparatus can be used to maintain the temperature of a chemical bath (12) and also to prepare discreet dispensed volumes of temperature controlled liquid.

Abstract: The invention relates to an installation for exchanging heat between fluids, the installation being of the type comprising a leaktight enclosure, means for exchanging heat between the fluids, and fluid admission and discharge means. The heat exchanger means comprise bundles of plates formed by stacks of horizontal plates and distributed in a star configuration around a tubular central collector concentric with the enclosure. Each bundle of plates has a front vertical wall secured to the collector and a rear vertical wall that is free, and each is slidably supported on a support member secured to the enclosure.

Abstract: The subject invention provides a heat exchanger assembly including a tank having a wall defining an aperture with a fitting secured thereto and a method of securing the fitting thereto. The fitting has a first end with an outer perimeter disposed exteriorly thereof and smaller than the aperture for inserting the first end of the fitting into the aperture. The fitting also has an internal tunnel extending along an axis thereto from the first end. A step of material is disposed in the tunnel at the first end, which is at least in part, radially and longitudinally displaced relative to the axis into contact with the wall to prevent rotational movement of the fitting in the aperture.

Abstract: Heat exchange unit of the so-called multiservice type comprising a substantially cylindrical shell closed at the opposite ends by respective base plates, a plurality of heat exchangers supported inside this shell and in fluid communication with the outside thereof.

Abstract: The invention relates to a heat exchanger (1) with plate structure, comprising a stack (6) of plates fitted inside a housing unit (2) assembled by welding circular heat transfer plates (10) and used as a pressure vessel. All the passages (7, 8, 26, 27) of the heat exchanger (1) are arranged to extend through an end plate (4). A flow guide (24) with the shape of the letter Z, or the like, is placed between the end plate (14) of the housing unit (2) and the end plate (14) of the stack (6) of plates.

Abstract: A headerless heat exchanger has a core comprised of a stack of flat tubes of rectangular cross section through which a first heat exchange fluid passes. The tubes are expanded in height at their end portions to provide spaces between adjacent plate pairs for passage of a second heat exchange fluid between the tubes. The sides of the tubes are coplanar, at least in the end portions of the tubes, to provide flat surfaces along which the core is sealed to side plates of the heat exchanger, for example by brazing or welding. The side plates may be separately formed or may comprise part of a continuous housing. The tubes are preferably formed from plate pairs having nesting side walls.

Abstract: A heat exchanger including a passageway having an internal passage adapted to form a first flow path, and an array of conduits having internal passages that collectively form a second flow path. The conduits extend through the internal passage of the passageway, and a first conduit of the array is provided with a lower total heat exchange surface area per unit volume therein than a second conduit of the array. A method of performing chemical processes is provided that includes providing a catalyst bed within the second flow path, and minimizing a temperature differential between a maximum temperature of a fluid in the second flow path and a minimum temperature of the fluid in the second flow path.

Abstract: An internal combustion engine with a 2-stage charge loading includes a connection conduit with a supercharger intercooler provided between the compressors of the low pressure stage and high pressure stage. The supercharger intercooler is configured via a cooling unit in the charge air guiding connection conduit between the compressor of the ATL-low pressure stage and the compressor of the ATL-high pressure stage having a cooling medium flowing therethrough as well as by a specially configured section of the connection conduit. The connection conduit in this section forms with its wall the outer wall of the supercharger intercooler and delimits an air through-put volume sufficient to effect, via a cooling medium flowing through the cooling unit, an acceptable cooling of charge air flowing through the cooling unit that is built into the connection conduit.

Abstract: Method for carrying out in continuous, under so-called pseudo-isothermal conditions and in a predetermined reaction environment, such as a catalytic bed, a selected chemical reaction, comprising the steps of providing in the reaction environment at least one tubular heat exchanger fed with a first flow of a heat exchange operating fluid at a respective predetermined inlet temperature, the fluid passing through the at least one tubular heat exchanger according to a respective inlet/outlet path, which method also provides the step of feeding into the at least one tubular heat exchanger and at one or more intermediate positions of said path, a second flow of operating fluid having a respective predetermined inlet temperature.

Abstract: A charge air cooler with an integral precooler is disclosed which cools charge air by using both liquid coolant and air coolant. The charge air path is not affected by the use of the liquid coolant. The charge air cooler disclosed can cool particularly hot charge air without a significant drop in pressure.

Abstract: A tube 101 is constituted by a pair of plates 111a, 111b which are fitted with each other in such a manner as to put an inner fin 101b between the plate 111a and the plate 111b. Differences in level 111c are formed on the second plate 111b, which fits inside, which differences in level each protrude inwardly by a distance equal to the thickness of the first plate 111a, whereby the outer wall surface of the tube 101 is made substantially level thereover. A gap which is formed between the outer wall surface of the tube 101 and a core plate, when the tube is passed through the core plate, can be as small as possible whereby the brazing properties can be improved.

Abstract: A shell-and-tube type heat exchanger of the smallest possible length necessary for heat exchange is disclosed which is capable of obtaining uniform distribution of flow of a shell side fluid and substantially eliminating the structural restriction imposed on the shell side. This shell-and-tube type heat exchanger is provided with one annular conduit furnished with not less than two partitions concurrently serving as an expansion joint for introducing and discharging a shell side fluid and allowing the flow path for said shell side fluid to be separated into an introducing part and a discharging part and which comprises a place having no array of heat-transfer tubes in the flow path for said shell side fluid. It prevents the equipment from necessitating an unnecessary enlargement due to the structural restriction on the shell side and enables the shell side fluid to produce a uniform flow.

Abstract: A cooler for one or a plurality of metal tubes with a cooler housing having intake vents, a powered turbine, at least one exhaust holes and metal tube supports. The one or a plurality of metal tubes received by metal tube supports and positioned to receive coolant flow from the turbine.

Abstract: Method for carrying out in continuous, under so-called pseudo-isothermal conditions and in a predetermined reaction environment, such as a catalytic bed, a selected chemical reaction, comprising the steps of providing in the reaction environment at least one heat exchanger fed with a first flow of a heat exchange operating fluid at a respective predetermined inlet temperature, the fluid passing through at least one heat exchanger according to a respective inlet/outlet path, which method also provides feeding into at least one heat exchanger and at one or more intermediate positions of said path, a second flow of operating fluid having a respective predetermined inlet temperature.