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.

Abstract: A plurality of heat exchange units (12) are placed in a frame (38). Respective heat exchange units (12) are positioned by pin holes (30) formed in fixing plates (21) installed on the heat exchange units (12) and knock pins (29) formed on a pair of bars (22) of the frame (38). The one side tank water inlet/outlet ports (19) and the other side tank water inlet/outlet ports (20) of the heat exchange units (12) are connected to the one side water receiving ports (35) of an upper tank (17) and the other side water receiving ports (36) of a lower tank (18), respectively. The upper tank (17), the heat exchange units (12), and the lower tank (18) are fixed to the frame (38) to form the heat exchanger (11). Thus, the heat exchanger having a specified heat exchange capacity and firmly supportable on a base can be provided.

Abstract: The present invention relates to the thermal conductive fluids in temperature difference reversely transported by the first fluid piping and second fluid piping in parallel or quasi-parallel arrangement on the same end side to produce heat absorbing or dissipating function onto the passively heat dissipation or absorption receiving article or space thereby forming a more uniform temperature distribution status on the heat absorbing or dissipating body (100) or the passively heat dissipation or absorption receiving article or space (200).

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.

Abstract: A heat exchanger structure of an automatic transmission stabilizing a temperature of oil is provided. A heat exchanger structure of an automatic transmission includes an automatic transmission, a first heat exchanger provided on an upstream side and a second heat exchanger provided on a downstream side, each capable of cooling oil ejected from the automatic transmission, and a thermo valve capable of supplying oil subject to heat exchange by at least one of first and second heat exchangers to the automatic transmission. When a temperature of the oil is relatively low, the thermo valve supplies oil passed through the first heat exchanger to the automatic transmission and shuts off a flow of oil from the second heat exchanger to the automatic transmission. When a temperature of the oil is relatively high, the thermo valve supplies oil passed through first and second heat exchangers to the automatic transmission.

Abstract: The invention relates to a plate package for a heat exchanger device including a tank with an inner space and an inner wall surface. A sectional plane (p) extends vertically through the inner space. The tank has an inlet for the supply of a liquid medium and an outlet for discharging the medium in a gaseous state. The inner space defines a lower part space and an upper part space. The plate package (10) with heat exchanger plates (11) is provided in the inner space. Each heat exchanger plate has an extension plane perpendicular to the sectional plane. The heat exchanger plates form first plate interspaces that are open towards the inner space for recirculation of the medium, and second plate interspaces, which are closed towards the inner space for the recirculation of a fluid for evaporating the medium. Each heat exchanger plate includes a first porthole (14) and a second porthole (15).

Abstract: This invention relates to a coil comprising a first helical tube segment (511) and a second helical tube segment (512, 513) extending, parallel to the first helical segment (511), between a distributor (53) and a manifold (54), said first and second helical segments (511, 512, 513) being centred on a common geometrical axis (X5), with substantially the same bending radius (R1) and nested, such that they form together a globally cylindrical bundle (51). The method comprises a step which consists in interleaving the helical tube segments (511-513) so as to form a globally cylindrical bundle. The invention also concerns a reactor equipped with such a coil which can be used for treating a viscous medium or for carrying out chemical reactions, such as 6-6 polyamide polymerization.

Abstract: A spirally wound tube heat exchanger 10 article that receives a heat exchange fluid and its method of manufacture. In one embodiment, the exchanger 10 has one or more spirally-wound layers 12 of a tube 14. In some embodiments, the layers are circular, oval or rectangular with radiused corners. An elongate spacer member 24 has forwardly 26 and rearwardly 28 facing edges. Defined within those edges are engagement surfaces 30 that detachably retain the tube 14.

Abstract: A heat exchanger includes: a casing; an external cylinder which is arranged inside the casing with a clearance formed between the external cylinder and an inner surface of the casing and is supported in a cantilevered manner, has a closed end portion, and forms a first fluid passage between the external cylinder and the casing; and an internal cylinder which is arranged inside the external cylinder with a clearance formed between the internal cylinder and an inner surface of the external cylinder and is supported in a cantilevered manner, is open at both ends, and forms a second fluid passage, which is turned around at the closed end portion of the external cylinder, between the internal cylinder and the external cylinder.

Abstract: A heat exchanger and method that includes the use of at least one manifold having a plurality of vanes for circulating a fluid requiring cooling. The vanes define a pair of adjacent flow channels that each has a changing cross sectional shape that varies the aspect ratio of the adjacent flow channels defined by each vane. Each vane also has a twisting or spiral shape that serves to change the orientation of each of its adjacent flow channels to even more effectively enable transfer of heat from a first fluid flowing within one of the flow channels to a second fluid flowing in the other adjacent flow channel. In various embodiments both counter-direction flow and same-direction flows are employed in the manifold.

Abstract: A reactor for autothermal reforming of hydrocarbons that allows a reduction of excess-air factor ? during the reforming without resulting in a reduced conversion of the hydrocarbons in an end region of the reaction zone. The reactor includes at least one reaction zone in which is arranged at least one catalyst structure for the reformation so that the educts involved in the reformation are converted while flowing through the reaction zone. A heating device is included for heating the end region of the reaction zone to accelerate the conversion of the hydrocarbons.

Abstract: The invention relates to a cooling system for an internal combustion engine (12) on a vehicle, preferably for an agricultural or industrial commercial vehicle, in particular, for a tractor. The cooling system (10) comprises a high temperature circuit (14) and a low-temperature circuit (20). The high temperature circuit (14) is provided for cooling the internal combustion engine (12) and comprises at least one cooler (18). The low temperature circuit (20) is provided for cooling a charge air cooler (22) and, optionally, an oil cooler (24) and comprises at least one cooler (26). The charge air cooler (22) is embodied with at least two parts or in two stages.

Abstract: In a heat exchanger, a core has a first core portion including first tubes and a second core portion including second tubes. The first tubes defines first passages through which an internal fluid flows and the second tubes defines second passages through which the internal fluid passed through the first passages flows. A flow direction of the internal fluid passed through a first section of the first core portion and a flow direction of the refrigerant passed through a second section of the first core portion are changed with respect to a direction that the tubes are layered, before flowing in the second core portion. Thus, the internal fluid passed through the first section of the first core portion flows into a second section of the second core portion and the internal fluid passed through the second section of the first core portion flows into a first section of the second core portion.

Abstract: A heat exchanger of the single circuit type, to be coupled to a fluid circulation circuit and comprising: an upper tubular head element and a lower tubular head element horizontally arranged and which are each provided with a nozzle and through slots provided in an inner longitudinal wall portion; and a plurality of vertically disposed fluid conduction tubes, each internally defining a plurality of longitudinal microchannels. The opposite ends of the fluid conduction tubes are affixed to the inner longitudinal wall portion of the upper tubular head element and lower tubular head element, respectively, so as to communicate the ends of the microchannels of each tube with a through slot of the respective tubular head element and, thus, the fluid conduction tubes with the interior of the upper tubular head element and lower tubular head element.

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: 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 evaporator including a lower drum, an upper drum, and at least one tube extending between the lower drum and the upper drum. The plurality of tubes have fluid passageways therein extending from the lower drum to the upper drum. A duct is provided having a heating gas passageway provided therein. The at least one tube extends through the heating gas passageway. The fluid passageways define an overall flow path from the lower drum to the upper drum extending in a direction substantially counter-current to an overall flow path defined by the heating gas passageway extending from a gas inlet of the heating gas passageway to a gas outlet thereof.

Abstract: A heat exchange unit for isothermal radial or axial-radial chemical reactors (1), with an overall configuration which is substantially annular and cylindrical having a passage (11) with a predetermined diameter running through it axially, is distinguished in that it comprises a plurality of substantially rectangular, flattened box-shaped heat exchangers (13), distributed in many coaxial and concentric arrays, defining in the unit (12) a plurality of radial alignments with a substantially radial arrangement, and wherein the exchangers (13) have long sides (13a) parallel to the axis of the unit (12) and short sides (13b) extending radially, each of the exchangers (13) comprising an inner chamber (17), intended to be passed through by an operating heat exchange fluid, at least one distributor pipe (19) and at least one collector pipe (20) of the operating fluid, associated with two respective opposing sides (13a) of the exchanger (13) and extending along them, the pipes (19, 20) being in fluid communication, on

Abstract: A heat exchange system is provided in which low temperature water from a supply pump (15) is split and supplied to an auxiliary evaporator (17) provided so as to cover an exhaust port (16) extending from a combustion chamber of an internal combustion chamber (E) and to a main evaporator (11) provided downstream of the exhaust port (16). The direction of water flowing through the auxiliary evaporator (17) is parallel to the direction of flow of exhaust gas, and as a result an upstream section of the exhaust port (16), which has a high temperature, can be cooled effectively with low temperature water, and the escape of heat from the upstream section of the exhaust port (16) can be suppressed.

Abstract: The invention relates to a heat exchanger (1) with plate structure, comprising a stack (6) of plates composed of circular heat transfer plates (10) by welding and fitted inside a housing unit (2) used as a pressure vessel, whose periphery is provided with flow guides (21, 22), by means of which the second heat transfer medium is guided to desired ducts in the stack (6) of plates. By means of spacing plates (32) fixed inside the flow guides (21, 22), it is possible to arranged several draughts for the stream of the heat transfer medium.

Abstract: The present invention relates to the structure of a pipe plate unit for heat exchangers which may be employed in condensers, etc. that is used in thermoelectric and nuclear power plants. The object of this invention is to provide a structure for heat exchanger pipe plate units which reduces the number of construction steps and the labor costs for replacement of the pipe plate units, and which results in a pipe plate unit for heat exchangers after the replacement process that maintains a good seal for the fluids and which is adequately strong.

Abstract: The present invention provides a heat exchange reactor, which includes at least one tube bundle containing a plurality of tubes arranged substantially parallel to a common longitudinal axis and within an external pressure housing, the bundle having first and second ends in respective first fluid communication with at least one first fluid inlet and at least one first fluid outlet, and the external pressure housing having at least one second fluid inlet and at least one second fluid outlet; at least one baffle oriented substantially perpendicular to the longitudinal axis and disposed about the bundle and configured as a manifold to control a flow of the second fluid; at least one layer of interior thermal insulation disposed between the bundle and the housing and in fluid communication with the second fluid. Other embodiments of the present invention include methods of using and methods of making the heat exchange reactor.

Abstract: A heat exchanger, including a core having a variable size or length and a support structure connected to the core, the support structure accommodating variations in the size of the core.

Abstract: An apparatus and method for producing liquefied natural gas. A liquefaction plant may be coupled to a source of unpurified natural gas, such as a natural gas pipeline at a pressure letdown station. A portion of the gas is drawn off and split into a process stream and a cooling stream. The cooling stream passes through a turbo expander creating work output. A compressor is driven by the work output and compresses the process stream. The compressed process stream is cooled, such as by the expanded cooling stream. The cooled, compressed process stream is divided into first and second portions with the first portion being expanded to liquefy the natural gas. A gas-liquid separator separates the vapor from the liquid natural gas. The second portion of the cooled, compressed process stream is also expanded and used to cool the compressed process stream. Additional features and techniques may be integrated with the liquefaction process including a water clean-up cycle and a carbon dioxide (CO2) clean-up cycle.

Abstract: A heat exchanger comprises a housing jacket and tube segments disposed concentrically inside the housing jacket. Between two receiving plates, closing the housing jacket on its face ends, the tube segments embody heating chambers and product chambers. While the product to be heated flows in a meandering course through the heat exchanger, the heating medium flows through the heat exchanger over short paths from a medium inlet stub, in the direction of a medium outlet stub. The heat exchanger of the invention is distinguished by a relatively simple construction and is especially suitable for compositions in the candy industry, using steam as the heating medium.

Abstract: In such an exchanger, in which the blocks have fluid inlet openings in communication with the interior space of a supply box which runs alongside the block and communicates with at least one analogous box of an adjacent block to form a fluid supply line, in order to even out the distribution of fluid between the openings of the blocks, the supply line contains at least one grating (30) leaving perforations (301) and solid parts (302) which are distributed in such a way as to create pressure drops which are such that the flow velocities of the fluid in the inlet openings downstream of the grating have similar values.

Abstract: A binary-fluid heat and mass exchanger has a support structure with a plurality of horizontal vertically spaced groups of coolant tubes mounted thereon. Each group of coolant tubes comprises a pair of horizontal spaced hollow headers. A plurality of small diameter hollow coolant tubes extend between the headers in fluid communication therewith. Fluid conduits connect a header of one group of coolant tubes with a header of an adjacent group of coolant tubes so that all of the groups of coolant tubes will be fluidly connected. An inlet port for coolant fluid is located on a lower group of coolant tubes, and an exit port for coolant fluid is connected to a higher coolant group to permit coolant fluid to flow through the coolant tubes in all of the groups. A second inlet port for introducing a dilute solution of fluid downwardly over the coolant tubes is located above the support structure. A third inlet port for introducing a vapor to move upwardly through the groups is located below the lowermost group.

Abstract: An improved heat exchange apparatus for insertion in a housing comprises heat exchange tubes extending substantially parallel to a direction of fluid flow through the housing and a plurality of spaced and circumferential fins formed along the heat exchange tubes and extending substantially perpendicular to the direction of fluid flow through the housing. Preferably the housing is fit with a fluid mover for driving the fluid over the tubes. The improved heat exchanger can be applied in a method for extermination of pests comprising providing a minimal envelope, heating ambient air within the envelope using the improved heat exchanger and discharging the heated air into the envelope so that the temperature of air in the envelope is sufficiently high to kill pests. Moving air across steam filled tubes enables use of the system in explosion classified areas and without damage to goods or equipment.

Abstract: A vertical polygonal heat exchange chamber includes an upper opening, a lower opening, and an enclosure formed between the upper and lower openings. The enclosure includes at least one tapered portion that narrows in a direction toward one of the openings. The tapered portion is lined with N first water tube panels arranged adjacent to and alternately with N second water tube panels, where N is an integer greater than two. Each of the first and second water tube panels is angled inwardly from the widest part of the tapered portion toward the interior of the enclosure, with each of the first water tube panels being angled inwardly to a greater degree than each of the second water tube panels.

Abstract: The present invention is directed to a thermosyphon heat exchanger. The thermosyphon system eliminates the need for costly and inefficient moving parts in the cooling system. The system also minimizes failures rendering the system inoperable by eliminating mechanical components subject to breakdowns that would render the system inoperable. The design of the heat exchanger coils provides for increased efficiency, reduced cost, and simplified construction and maintenance. The system further reduces the energy consumption required for cooling operation while still providing excellent cooling performance.

Abstract: The invention relates to a bath condenser with a condenser block (1) that has evaporation passages (8) for a liquid and liquefaction passages (2) for a heating medium. The condenser block (1) has at least two circulation sections (7) that are located on top of one another, the evaporation passages (8) each having on the lower end of a circulation section (7) at least one entry opening (9) for the liquid and on the upper end of the circulation section (7) at least one exit opening (10). Only exit openings (10) and entry openings (9) that are located on the same side (12) of the condenser block (1) are connected via means (17, 30) for routing the liquid.

Abstract: A heat exchanger in which dead zones and areas of stagnation are significantly minimized or eliminated. The heat exchanger includes at least one floating tubesheet which is movable in a longitudinal direction in response to tube expansion and contraction relative to the heat exchanger shell. The shell is joined to the ends by conical members which preferably join onto the shell at a distance along its length to provide shell extensions which promote better flow patterns in the regions of the tube ends. Tube erosion may be addressed by providing a sacrificial portion of tube length extending beyond the tube sheets so as to make repair and replacement of the eroded portion of tubes significantly cheaper, easier and with minimal process interruption. Because axial or longitudinal flow is employed with respect to the shell-side fluid, tube vibration problems are generally eliminated and fouling is minimized through the use of high fluid velocities.

Abstract: A heat exchanger (10) comprises a housing jacket (11) and tube segments (14-20) disposed concentrically inside the housing jacket (11). Between two receiving plates (12, 13), closing the housing jacket (11) on its face ends, the tube segments (14-20) embody heating chambers (21-24) and product chambers (42-45). While the product to be heated flows in a meandering course through the heat exchanger (10), the heating medium flows through the heat exchanger (10) over short paths from a medium inlet stub (51), in the direction of a medium outlet stub (52). The heat exchanger (10) of the invention is distinguished by a relatively simple construction and is especially suitable for compositions in the candy industry, using steam as the heating medium.

Abstract: A rapid cooling apparatus passing hot exhaust gas in a short time along a flow path formed in a cooling setting with piled up arrangement and having a reduced cross-sectional area of the flow path to reduce the volume thereof so as to cool rapidly to a temperature below a dioxin synthesizing temperature so that dioxins are prevented from generating, characterized in that multistage tube bodies for heat exchange to pass coolant therethrough are arranged in a rapid cooling cylindrical body for passing hot gas such as exhaust gas from an inlet opening to an outlet opening, and the cross-sectional area of the rapid cooling cylindrical body is being reduced gradually in a passing direction of the hot gas.

Abstract: A hot exhaust heat recovery system comprising, in combination a chamber having inlet and outlet porting for flow through of hot exhaust gas, in the chamber interior, separate heat exchanger structures in separate sequential segments said chamber interior, to receive heat transferred from said exhaust gas, said structures receiving pressurized liquid for flow in different paths there-through, to develop vapor streams at different pressures and temperatures without use of boiler drums, the structures having outlets to communicate with a vapor driven turbine or turbines having inlet ports at different inlet fluid pressure zones.

Abstract: A multiple tube bundle heat exchanger includes axially opposite tube plates, a housing, and a plurality of tube bundles disposed between the tube plates. Each of the tube bundles is an independent tube bundle subassembly forming an integral unit having at least one heat exchanger tube with two axial tube ends. The subassembly is made from the exchanger tube and respective tube plates fastened to the two axial tube ends. The housing has a casing part defining a interior and having two axial housing ends with flanges, removable head pieces respectively disposed at the two axial housing ends to be fastened to the flanges, and partitions subdividing the interior into chambers. The number of chambers corresponds to a number of tube bundles. Each of the chambers receives one of the tube bundles. The tube plates and head pieces respectively form seals, and the tube plates delimit distributor, collecting, and/or transfer chambers formed in the head pieces.

Abstract: A heat exchanger, including a core having a variable size or length and a support structure connected to the core, the support structure accommodating variations in the size of the core. This abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 C.F.R. 1.72(b).

Abstract: A cooker designed for sugar products in the form of a tube heat exchanger, in which within a jacket housing a bundle of narrowly spaced pipes flow through by a heat medium extend, which pipes are flowed over by material which are supplied and withdrawn by pipe fittings along the side, wherein deflection plates are provided within the jacket housing which define flow chambers and openings for the transition of the materials to be treated from one flow chamber to the next, thereby characterized, that the deflection plates (5) along a narrow edge area are provided with segment like openings (6) and these openings are situated on diametrically opposing sides of the inner wall of the jacket housing (1), wherein the opening in the first deflection plate in the flow direction lies opposite the introduction pipe fitting (11) for the material and the opening of the last deflection plate lies opposite the withdrawal pipe fitting (12).

Abstract: A heat exchanger assembly designed for use as a fluid cooler formed of a first metal that includes a dissimilar metal connection allowing the exchanger to be utilized and reliably secured to another structure formed of a second metal. The assembly provides an easy way to cool engine exhausts, oil or another fluid flowing through the exchanger by transferring its heat to a cooling fluid flowing around the exchanger, or vice versa. The exchanger of the assembly is formed from a number of heat exchanger modules. In an embodiment intended particularly to cool diesel engine exhaust for a turbocharger, a steel or stainless steel exhaust inlet/outlet cap which is exposed to the high temperature exhaust is demountably attached to an all-aluminum heat exchange unit connected to the engine cooling system. The high temperature exhaust and the engine coolant follow generally parallel vertical paths through the heat exchanger in a generally U-shaped path that permits a short compact construction.

Abstract: A heat exchanger has a core provided with passages for a liquid to keep cool and passages for a cooling medium, a first collection tank for supplying the liquid, a second collection tank for withdrawing the liquid, at least one third collection tank, the core being divided into at least two sections through which the liquid successively flows and which are interconnected by the at least one third collection tank, one of the sections being connected with the first collection tank, while the other of the sections being connected with the second collection tank, a bypass line connected with the third collection tank and in parallel with the other sections, and structure for activating and deactivating the bypass lines.

Abstract: A heat exchanger for a multi-stage air compressor. The heat exchanger includes several cooling chambers. Each cooling chamber is configured to receive compressed air from one of the compressor stages. A cooling tube is positioned to carry cooling fluid through each of the cooling chamber sequentially. The cooling chambers are also positioned in series so that heated fluid leaving the outlet of a first cooling chamber enters the inlet of a second cooling chamber after passing through an additional compressor stage.

Abstract: The invention relates to an all-welded plate heat exchanger comprised of a plurality of plates welded together to form cassettes that are stacked one upon the other so as to provide primary and secondary alternating channels through which fluids are adapted to flow for exchanging heat. The primary channels provided within the cassettes connect at opposite ends with inlet and outlet openings The cassettes are welded along two opposing sides via resistance seam welding. Baffle clips are fastened between the cassettes to partially close off the sides of the secondary channels provided between the cassettes. Two inlet headers, two outlet headers, a top cover member and a bottom cover member enclose the stacked cassettes.

Abstract: A combined self-cleaning grease and particulate filter and heat exchanger used to collect thermal energy normally vented through flue hoods or other ventilation systems in commercial or institutional kitchens. The system utilizes a piping configuration which circulates fluid in parallel to a plurality of heat exchangers is disclosed. Fluid circulated within the heat exchanger/filter may then be utilized for heating other mediums, such as water or air and to promote drainage of the particulate matter and grease from the filter into a removable storage container.

Abstract: Parallel flat tubes are juxtaposed in a direction perpendicular to their greater axis, spaced from one another, the internal space of the tubes being divided by intercalary strips of a thermally conducting material into parallel first flowing channels as first flowing paths for a first fluid, a second fluid flowing through spaces between adjacent flat tubes.

Abstract: A double-row heat exchanger coil includes intertwined inner and outer loops. The loops are situated to allow one continuous coil to be wound in an uninterrupted coiling operation, and later cut at several locations to create several individual circuits that are readily connected to each other in a parallel flow relationship.

Abstract: An assembly (oil cooler unit), under the state where first and second plates (130, 140) prevent a heat exchange core (110) from falling from a casing (120), is provisionally assembled, and this oil cooler unit is dipped in a flux to apply the flux. A seal surface plate (150) is then assembled to the second plate (140) and is brazed by heat-brazing in an inert gas atmosphere. Since a flux residue on the seal surface plate (150) can be drastically reduced in this manner after brazing is complete, the seal surface plate (150) can secure predetermined surface texture even after brazing is complete while the number of process steps necessary for applying the flux is reduced.

Abstract: A plurality of parallel flat tubes are juxtaposed in a direction perpendicular to their greater axis at predetermined distance the one from the other, the internal space of which being divided by means of intercalary means of a thermally conducting material into a plurality of first flowing channels that are parallel and constitute first flowing paths for a first fluid, a second fluid flowing through spaces between adjacent flat tubes.

Abstract: A combination or steam power plant is provided with an apparatus (20) with integrated steam condensation and water/water cooling. The apparatus (20) according to the invention is provided with a steam jacket (30) that encloses a steam space (31) with cooling pipes (33) for the steam condensation. The steam jacket (30) is provided at one outerside with one or more heat exchange chambers (41) for the water/water cooling, said heat exchange chambers being enclosed by a part (43) of the steam jacket (30) and in each case by a second, preferably semicircular cylindrical, second mantle part (41). For the steam condensation and water/water cooling, the apparatus (20) is provided with common water inlet and water outlet chambers (21, 24) for the coolant.

Abstract: The present invention provides a heat-exchange coil assembly making it possible to enlarge a heat conduction area within a limited volume by lowering the pitch between heat-exchange coils to a minimum level without providing a welding space. The heat-exchange coil assembly comprises an inlet header 2 at an end section thereof, an inlet tube 3 for inletting a heat exchange medium provided in a drum, an outlet header 4 located with a space from the inlet header at an end section thereof, and a plurality of heat-exchange coils with the outlet tube 5 for outletting a heat-exchange medium from the drum, inlet header 2, and outlet header 4 communicated to each other and also having a common center line, in which the heat-exchange coils are alternately linked to both sides of the inlet header 2 and outlet header 4.

Abstract: A multiple tube bundle heat exchanger includes axially opposite tube plates, a housing, and a plurality of tube bundles disposed between the tube plates. Each of the tube bundles is an independent tube bundle subassembly forming an integral unit having at least one heat exchanger tube with two axial tube ends. The subassembly is made from the exchanger tube and respective tube plates fastened to the two axial tube ends. The housing has a casing part defining a interior and having two axial housing ends with flanges, removable head pieces respectively disposed at the two axial housing ends to be fastened to the flanges, and partitions subdividing the interior into chambers. The number of chambers corresponds to a number of tube bundles. Each of the chambers receives one of the tube bundles. The tube plates and head pieces respectively form seals, and the tube plates delimit distributor, collecting, and/or transfer chambers formed in the head pieces.