Abstract: The present invention concerns an isothermal reactor (1) for carrying out exothermal or endothermal heterogeneous reactions comprising: —a substantially cylindrical outer shell (2) with longitudinal axis (X), —at least one catalytic bed (6) extending in the shell (2) and comprising opposite perforated side walls (7, 8) respectively for the inlet of a gaseous flow of reactants and for the outlet of a gaseous flow comprising reaction products, and —a heat exchange unit (12) immersed in said at least one catalytic bed (6) and crossed by a heat exchange fluid, characterized in that said heat exchange unit (12) comprises at least one succession of heat exchangers (13) arranged substantially parallel to each other and substantially parallel to the direction in which said at least one catalytic bed (6) is crossed by said gaseous flow of reactants.

Abstract: A double-tube heat exchanger that is easy to produce, the entire part of which is smoothly bent so that the heat exchanger works as a part of piping, and that has high pressure resistance. In the cross-section perpendicular to the axis of an inner tube (1), there are bag-like or ballon-like bulged sections (7a) directing radially from the center, and openings of the bulged sections (7a) are closed and the head of each bulged section (7a) is in contact with the inner surface of an outer tube (2).

Abstract: A distributor for use in a vapor compression system including an enclosure configured to be positioned in a heat exchanger having a tube bundle comprising a plurality of tubes extending substantially horizontally in the heat exchanger. A plurality of distribution devices are formed in the enclosure, the plurality of distribution devices configured to apply a fluid entering the distributor onto the tube bundle. The enclosure is formed of unitary construction.

Abstract: The invention encompasses a temperature regulating system that includes a shell configured to be received over an outer circumferential portion of a container. The shell has dimensions to form a cavity between the outer circumferential portion of the container and the shell. A material is provided in sealing engagement between the shell and the outer circumferential portion of the container to seal the cavity from the environment. A heat exchanger is provide in fluid communication with the cavity.

Abstract: Method for carbamate condensation of a carbon dioxide/ammonia gaseous phase in a liquid phase in a condensation unit of the so-called submerged type comprising a heat exchange tube bundle having a predetermined number of tubes intended for carbamate condensation, wherein the gaseous phase and the liquid phase are fed contemporaneously and independently to each of the tubes intended for condensation.

Abstract: An heat exchanger for use in a vapor compression system is disclosed and includes a shell, a first tube bundle, a hood and a distributor. The first tube bundle includes a plurality of tubes extending substantially horizontally in the shell. The hood covers the first tube bundle. The distributor is configured and positioned to distribute fluid onto at least one tube of the plurality of tubes.

Abstract: A heat exchanger has a shell and tube stack disposed within a shell inner chamber. A coolant chamber extends from a shell end, accommodates a portion of the tube stack, and has a sidewall that extends outwardly from the tube stack. A divider is disposed within the coolant chamber between the sidewall and tube stack, and extends axially along the chamber to the end of the shell splitting the coolant chamber into inlet and outlet coolant passages. For example, a pair of dividers are disposed within the coolant chamber and are attached to a respective sidewall surfaces. A coolant inlet and outlet is in fluid flow communication with respective inlet and outlet coolant passages. A cooling medium within the heat exchanger flows longitudinally within the inlet coolant passage along the tube stack in a direction opposite from the coolant flow path within the outlet coolant passage.

Abstract: The present relates to a container and to a device for indirect material cooling and to a method for producing the container according to the invention. Through the present invention a much more efficient indirect heat transfer is facilitated from the exterior of the container into the interior of the container. The improvement of the heat conductivity and of the heat transfer of centrifuge containers yields a reduction of the necessary power of the refrigeration system for cooled centrifuges. Through the higher performance of the centrifuge a higher speed can be run for identical centrifuge temperatures and/or at the same centrifuge temperature and speed, the input power of the refrigeration unit can be reduced.

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: A multi-tube spraying device is provided. The multi-tube spraying device includes a body having a closed vessel, wherein a plurality of spraying tubes are disposed in the upper part of the closed vessel and a plurality of heat exchanging tubes are disposed in the lower part of the closed vessel. The device further includes an outlet pipe for discharging refrigerant vapor contained therein and a connecting pipe for introducing the refrigerant vapor from a source to the vessel. In addition, a liquid-vapor separator connected to the refrigerant source separates the refrigerant into vapor and liquid for introducing the liquid refrigerant to the spraying tubes in the vessel while introducing the refrigerant vapor into the vessel. Therefore, a heat exchange is performed between the refrigerant and the heat exchanging tubes.

Abstract: The present invention provides a heat exchange reactor comprising a reaction tube for obtaining a product (B) by exothermic reaction while passing a starting compound (A) therethrough and a reactor shell covering the surrounding of the reaction tube and having its interior divided into a plurality of regions along the passing direction of the starting compound (A), each of which regions is filled with a heat medium for carrying out heat exchange between the inside of the reaction tube and the heat medium independently for the respective separate regions; wherein the reactor is provided with a heater for heating the heat medium charged in the most upstream region among the separate regions independently from the heat media charged in other regions.

Abstract: An objective of the present invention is to store heat into a thermal storing material using a plurality of thermal transport mediums, in a thermal storage device utilizing natural convection of a thermal storage material resulting from temperature difference of the thermal storage material. The thermal storage device of the invention has a plurality of thermal transport mediums 6a and 6b having different temperatures, a thermal storage material 2 which stores heat of the thermal transport mediums 6a and 6b or whose heat is drawn by the thermal transport mediums 6a and 6b, a thermal storage portion 1 accommodating the thermal storage material 2, and a first and a second thermal storage tanks 3 and 4 formed by dividing an inner space of the thermal storage portion 1, and a thermal exchange between the thermal transport medium 6a or 6b and the thermal storage material 2 takes place in the individual thermal storage tanks.

Abstract: An assembly (1) of baffles and seals for mounting in a heat exchanger shell (4), which assembly (1) comprises a plurality of longitudinal baffles (6,7); at least one longitudinal seal (14,16,17), wherein the assembly (1) further comprises a wall member (21, 22) that is arranged to extend between spaced apart longitudinal baffles (6,7) so as to form a double wall with the heat exchanger shell (4) after mounting, and wherein the at least one longitudinal seal (14,16,17) is arranged on the wall member (21, 22) and away from the longitudinal baffles (6,7) so as to sealingly engage the wall member (21, 22) against the heat exchanger shell (4) after mounting.

Abstract: A coolant-conducting element with an enclosed, linearly extending hollow profiled body, having an exterior wall with a multitude of access openings spaced apart from each other in a longitudinal direction and open or closed but can be opened, toward a conduit arrangement located in the interior. The conduit arrangement has an inflow conduit and an outflow conduit to each of which a number of access openings are assigned. A coolant-conducting arrangement with such a coolant-conducting element is also disclosed.

Abstract: A syngas reforming reactor has a shell-and-tube configuration wherein the shell-side fluid flow path through the tube bundle has a longitudinal configuration. The reactor can include a shell-side inlet fluid distributor plate below the lower end of the tube bundle, and a flow sleeve in an enlarged-diameter discharge annulus at an upper end adjacent the tube sheet to prevent short-circuiting of the shell-side fluid into the shell-side fluid outlet. The tube bundle can include a plurality of ring baffles and lattice baffles. The longitudinal flow configuration can provide a lower shell-side pressure drop and lower cost compared to a conventional cross-flow reforming exchanger.

Abstract: In a method for producing a heat exchanger tube bundle for a heat exchanger of an electrochemical energy accumulators, heat exchanger channels and an intended profile are incorporated into material strips by deep drawing. A forward-flow distribution aperture is incorporated into a first such material strip from step b) (first heat exchanger plate), and return collecting apertures are incorporated into a second such material strip, forming first and the second heat exchanger plates. The latter are aligned in such a manner that webs of the two heat exchanger plates border each other, and the heat exchanger channels form heat exchanger tubes. The heat exchanger plates arranged in this manner are joined together to form a heat exchanger tube bundle. A corresponding pressure welding apparatus, a heat exchanger tube bundle, a heat exchanger module, a heat exchanger with two or more heat exchanger modules, and an electrochemical energy accumulator with a heat exchanger of this type are also disclosed.

Abstract: An assembly of baffles and seals for mounting in a heat exchanger shell, comprising a plurality of longitudinal baffles; a plurality of longitudinal seals for sealingly engaging longitudinal rims of the longitudinal baffles against the heat exchanger shell after mounting, and further a wall member that is arranged to extend between longitudinal seals of adjacent longitudinal baffles so as to form a double wall with the heat exchanger shell after mounting. A method of assembling a heat exchanger, comprising providing a heat exchanger shell and an assembly of baffles and seals according to the invention; assembling the assembly of baffles and seals outside the heat exchanger shell and introducing the assembled arrangement into the heat exchanger shell so that each wall member forms a double wall with the heat exchanger shell.

Abstract: In a temperature control device, a plurality of screening cylinders each having a different diameter are concentrically arranged within a liquid tank to concentrically form a plurality of layered channels which are communicated to define a circulation passage through which constant-temperature fluid flows. A heat transfer tube through which liquid chemical flows is disposed in any one of the channels such that heat exchange between the liquid chemical and the constant-temperature fluid is performed via the heat transfer tube for controlling temperatures of the liquid chemical.

Abstract: An EGR cooler including tubes and a shell enclosing the tubes. Cooling water is supplied into and discharged from the shell. Exhaust gas is guided from a diesel engine into the tubes for thermal exchange of the exhaust gas with the cooling water. A bypass flow path for guiding the cooling water is constituted within the shell so as to prevent stagnation of the cooling water in the shell.

Abstract: The invention relates to a heat exchanger, especially a heat exchanger for motor vehicles, comprising a bank of tubes through which a gaseous medium flows and around which a liquid coolant flows. The ends of said tubes are received in tube plates and are connected to the same in a material fit. The inventive heat exchanger also comprises a housing jacket which surrounds the bank of tubes and is connected, at the end thereof, to the tube plates. A coolant flows through said housing jacket. The tubes, tube plates and housing jacket are produced from a heat-resistant and corrosion-resistant metallic alloy. According to the invention, the housing jacket comprises at least one surrounding expansion flange.

Abstract: An air cooler for power plants comprising a pressure vessel, in which is accommodated a coaxial arrangement containing a cylindrical central tube, a helical tube bundle surrounding the central tube and a cylindrical casing surrounding the tube bundle. The central tube extends, at one end of the coaxial arrangement, into a first space adjacent to the tube bundle and closed off outwardly by the casing. The central tube can be acted upon by air from outside the pressure vessel, via an air inlet connection piece, at the other end of the coaxial arrangement through a space adjacent to the tube bundle. Water can be fed into the tube bundle from an end of the coaxial arrangement and steam can be extracted from the tube bundle.

Abstract: A baffle assembly for an etching apparatus is disclosed. The baffle assembly comprises a ring and a lower baffle portion having a curved wall extending between a flange portion and a lower frame portion. A heating assembly may be present within the lower frame portion to control the temperature of the baffle. The baffle assembly may help confine the plasma within the processing space in the chamber. The ring may comprise silicon carbide and the lower baffle portion may comprise aluminum.

Abstract: A vertical multitubular heat exchanger that can prevent clogging of a polymerized material and is continuously operable for an extended period of time is provided. The vertical multitubular heat exchanger (1) of the present invention introduces a process fluid containing an easily-polymerizable substance into heat exchanger tubes (28) to perform heat exchange. The vertical multitubular heat exchanger (1) includes a shell (2) extending in a vertical direction, an upper tube sheet (8) and a lower tube sheet (10) respectively disposed at the upper portion (4) and the lower portion (6) of the shell (2), and a plurality of heat exchanger tubes (28) whose outer circumferences (26) of both ends are respectively fixed to the upper tube sheet (8) and the lower tube sheet (10). An upper surface (34) of the upper tube sheet (8) is formed to be sloped and at least one of the heat exchanger tubes (28) is disposed in the vicinity of the lowest position of the upper surface (34) of the upper tube sheet (8).

Abstract: An improved heat exchanger which resists fouling of the heat exchange surface by minimizing the temperature difference between the heat exchanger surface and the fluid stream in contact with the heat exchange surface. In one embodiment, a heat exchanger comprises an outer shell, the outer shell comprising a first inlet operable to pass a first fluid stream, an inner shell at least partially disposed within the outer shell, the inner shell comprising a second inlet and an outlet operable to pass the first fluid stream, and a heat exchange surface comprising a plurality of tubes operable to pass a second fluid stream.

Abstract: A heat exchanger for exchanging heat with gas made to flow in a flow direction is disclosed. The heat exchanger is provided with: a plurality of plates each having a first side and a second side; a plurality of tubes configured to conduct a thermal medium, the tubes penetrating the plates and being arranged in parallel with each other and on a plurality of planes perpendicular to the flow direction, wherein the tubes on each plane are disposed adjacent to gaps between the tubes on any of adjacent planes so as to form a plurality of serpentine flow lines among the tubes; and a plurality of bridges projecting on the first sides of the plates, the bridges being respectively arranged to be perpendicular to the serpentine flow lines.

Abstract: To create a heat exchanger which provides for a high temperature compensation between the media, can at the same time be produced at low cost and satisfies the thermal stresses, it is proposed that the heat exchanger has a first distribution chamber (5) which is connected with a second distribution chamber (7) by means of tubes (22, 6) for the passage of hot medium (2), the tubes (6) extending through the inlet region (11) of the cooling medium (3) and an outer chamber (12), that lateral ports (9) introduce the cooling medium (3) into an inlet region (10) which is adjoined by an inner chamber (11) defined by a sealing plate (16) for flow deflection of the cooling medium (3), that the sealing plate (16) guides the cooling medium (3) from the inner chamber (11) into the outer chamber (12), the outer chamber (12) enclosing the inner chamber (11), and this outer chamber (11) is provided with ports (18) for discharging the cooling medium (3).

Abstract: An intercooler has a case through which supercharging air passes, and a heat exchanger 4 mounted inside the case which allows heat exchange between the supercharging air and a cooling fluid. A frame body 15 is provided at the circumferential edges of air passage portions of the heat exchanger 4 on a supercharging air intake side and a supercharging air outlet side to reduce the gap between the heat exchanger and the inner wall of the case. The heat exchanger 4 has a pair of tanks 43 and 44, tubes communicating between the tanks, and a plurality of fins 46 set along the tubes, and assumes a structure that allows the supercharging air to pass through the heat exchanger a plurality of times by sequentially passing through blocks formed by dividing a heat exchanging unit 4A into a plurality of blocks with partitioning plates 15d.

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 end bonnets for a dry expansion heat exchanger of the shell and tube type having a plurality of bundles of tubes. A pair of end bonnets on opposite ends of the shell. Vertical flat impingement plates between the horizontal baffle ribs within the bonnets subdivide the bonnets into subchambers corresponding to the tube count in respective tube bundles. The cross-sectional areas of successive bundles of tubes increase to allow for expansion of the coolant as it flows through the heat exchanger and absorbs heat from the fluid to be cooled. The vertical plates in the end bonnets define restricted flow areas for the coolant which increases in flow area corresponding to the respective tube bundles.

Abstract: A heat exchanger comprising a pressure vessel (1). A plurality of serpentines (8) convey a fluid to be heated through the pressure vessel (1) in one direction. A duct (9) surrounding the serpentines (8) conveys a second fluid in the opposite direction to give up its heat to the first fluid. The duct (9) is spaced from the pressure vessel (1) and is surrounded with thermal insulation (23). An opening in the duct (9) equalizes the pressure between the inside and the outside of the duct (9) which is also supported against expansion caused by the pressure inside the duct (9) exceeding the pressure outside the duct (9).

Abstract: The present invention comprises a novel heat exchanger configuration which preferably uses the axial flow direction for the shell-side fluid and in which dead zones and areas of stagnation are significantly minimized or eliminated and in which inlet region tube erosion is addressed by providing a sacrificial portion of tube length so as to make repair and replacement of the eroded portion of tubes significantly cheaper, easier and with minimal process interruption. Because axial flow is employed with respect to the shell-side fluid according to a preferred embodiment of the present invention, tube vibration problems are generally eliminated.

Abstract: Baffles (20, 22) arranged alongside a plurality of conduits (12).

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 container for homogenizing and heating or cooling a liquid working medium is disclosed. The container includes a tubular heat exchanger disposed in the interior space of the container, with the liquid working medium flowing through flow-through tubes of the heat exchanger that are in contact with a heat-exchange medium, A cup-shaped baffle which Is formed of a partition wall and a cover secured to an end of the partition wall proximate to the medium outlet of the flow-through tubes surrounds the heat exchanger and subdivides the interior space of the container between the tubular heat exchanger and the container wall in at least two concentric annular spaces, with each of the concentric annular spaces containing the working medium. The container is suitable for homogenization and heating of polyol components in a polyurethane injection molding apparatus.

Abstract: A heat exchanger has a body with an inside surface and an outside surface forming a hole along a predetermined length of the body, wherein the inside surface is of a predetermined size. Additionally, the heat exchanger has an inlet at one end of the predetermined length and an outlet at another end of the predetermined length. The inlet and outlet disposed on the body facilitate flow of material in and out of the body. In one embodiment, included in the body is a rod, having a number of grooves, being substantially similar in size to the inside surface, inserted into the hole along the predetermined length to provide a long travel path of the material through the body. The predetermined length is of a length sufficiently long to cause the material to exit with a stable temperature that is insensitive to a small variant of the length.

Abstract: A heat exchanger system for a device for autothermal reforming of a hydrocarbon having a reaction zone fed with at least two fluids which react with one another, the reaction zone being at a higher temperature level than an environment of the device and at least one of the fluids being heated by the reaction products effluent from the reaction zone. The heat exchanger system includes tubes for transporting the effluent reaction products, at least one section of the tubes being arranged essentially parallel to a center axis of the reaction zone and led through the flow path of the fluid to be heated. At least sections of the flow path are curved helically or spirally around the center axis so that the fluid to be heated impinges on and passes around the tubes containing the effluent reaction products essentially perpendicularly.

Abstract: In order to suppress any backfire with a high degree of reliability and reduce the required mounting space and the weight of an intercooler by achieving a flame arrester function in the intercooler mounted to cool supercharging air without having to provide a separate arrester device, the intercooler having a case through which the supercharging air passes through and a heat exchanger 4 that is mounted inside the case and engages in heat exchange between the supercharging air and a cooling fluid includes a frame body 15 provided at the circumferential edges of air passage portions of the heat exchanger 4 on a supercharging air intake side and a supercharging air outlet side to reduce the gap between the heat exchanger and the inner wall of the case.

Abstract: Heat exchanger provided with a housing having an inner wall, an inlet and an outlet for passing a first heat exchange medium through the housing. The housing furthermore has a core comprising a series of plate-shaped fins placed at least almost parallel to each other. Each fin is provided with pipe openings. A bundle of pipes is present for passing a second heat exchange medium, as well as a number of baffle plates, each baffle plate being provided with pipe openings. Each of the pipes extend through respective pipe openings of respective fins and respective baffle plates. Filling blocks are further provided, each having a bent base portion which has an outer surface. The bend of the base portion is such that the filling block closely abuts the inner wall of the housing. The filling block further has a rib projecting from the base portion to the centre of the housing when placed in the housing, which rib has a central slot. In said slot a respective baffle plate is accommodated.

Abstract: Efficient two-phase refrigerant mixture distribution is accomplished in a falling film evaporator by use of a refrigerant distributor disposed internal of the evaporator shell which overlies the evaporator tube bundle and which internally causes said two-phase refrigerant mixture to be made available along essentially the entire length and across essentially the entire width of the tube bundle prior to the delivery of the refrigerant out of the distributor.

Abstract: A radial flow regenerative counter flow heat exchanger includes a) a shell; b) a plurality of large circular baffle plates aligned coaxially within the shell and extending to an inner wall of the shell, defining at least one circular hole therein; c) a plurality of small circular baffle plates aligned coaxially within the shell, and alternately spaced from and coaxially positioned relative to each of the large circular baffle plates; d) a plurality of symmetrically-arranged tubes positioned perpendicular to the small baffle plates and the large baffle plates forming at least one coaxial tube bundle extending through the small baffle plates and large baffle plates, wherein an inner radius of the innermost tube row of the tube bundle is larger than a radius of the circular hole in the large baffle plate and the outer radius of the outermost tube row is smaller than a radius of the small baffle plates, and wherein the small baffle plate defines at least one space outside the tube bundle, and e) a heat transfer c

Abstract: A tube-in-tube heat exchanger for exchanging heat between two fluids is provided. The heat exchanger has at least one tube pair; spaced apart first and second tube sheets; first and second annular flow chambers; and first and second inner tube flow chambers. A gasket surrounds each inner tube of each tube pair at each end, forming a seal between each annular flow chamber, each inner tube flow chamber, and each inner tube. Such configuration allows for modular construction and easy cleaning and replacement of fouled or damaged tubes.

Abstract: A method for manufacturing a ceramic shell-and-tube type heat exchanger having a plurality of heat transfer tubes and tubular plates joined to both the end portions of these heat transfer tubes which has the steps of inserting the heat transfer tubes of sintered tubular ceramics into through-holes of the tubular plates of unsintered plate-like ceramics having a plurality of the through-holes, standing the heat transfer tubes vertically to a floor surface, and then firing them in a condition where the tubular plates are positioned at both the upper and lower end portions of the heat transfer tubes, thereby integrally joining the tubular plates to both the end portions of the plurality of heat transfer tubes by the utilization of a difference between firing shrinkage ratios of both the members, the method having the steps of interposing at least one tubular plate between the tubular plate positioned at the upper end portions and the tubular plate positioned at the lower end portions of the heat transfer tubes,

Abstract: Heat exchange apparatus and process, particularly heat exchange primary reforming with the primary reformed gas being subjected to partial combustion (and optionally secondary reforming) and the resultant partially combusted gas being used as the heat exchange medium to supply heat required for the primary reforming. The apparatus includes process fluid inlet and outlet zones separated from the heat exchange zone by boundary means such as tube sheets or header pipes. A plurality of heat exchange tubes for a process fluid extending through a heat exchange zone from one of the boundary means and slideably engage at the other boundary means with seal tubes fastened to said other boundary means.

Abstract: A lightweight apparatus designed to cool the EGR gas of an engine efficiently by replacing baffle plates with one or more support plates having a plurality of through holes, which is further made up of a barrel, end caps, a tube sheet, and a plurality of heat transmission tubes. An inlet and an outlet of the EGR gas are provided on the end caps covering both ends of the barrel and the sheet metal-made tube sheet attached to both ends of an inner wall of the barrel holds the properly arranged heat transmission tubes inserted into the through holes. Each metal sheet-made support plate affixed to a number of spots on the inner wall of the barrel has a diameter a little larger than the inside diameter of the barrel so that its edge is bent inward to fit inside the barrel tight but slidably in the form of tongue-like pieces. In a similar way, a peripheral edge of each through hole is curled up to create another set of tongue-like pieces to fit tight but slidably outside the heat transmission tubes.

Abstract: A heat exchanger has a container with an outer mantle and pipes positioned in the container for conveying a heat-receiving medium through the container. The heat-transferring medium flows exterior to the pipes in counter flow to the heat-receiving medium in the pipes. A common inlet tube is connected to the container and communicates with the pipes for introducing the heat-receiving medium. A common outlet tube is connected to the container and communicates with the pipes for removing the heat-receiving medium from the pipes. The pipes extend meander-shaped within the container. The common inlet tube penetrates the outer mantle on opposite sides and has an inflow end and a remote end. The inflow end is pressure-tightly connected to the outer mantle. The common outlet tube penetrates the outer mantle on opposite sides and has an outflow end and a remote end. The outflow end is pressure-tightly connected to the outer mantle.

Abstract: Carbon black is produced by burning a mixture of air and oil to produce hot gases and then conducting the hot gases through tubes extending through a chamber of a heat exchanger. Heat exchange air is conducted through the chamber in a direction opposite the direction of gas flow, in heat-exchange relationship with the tubes, to pre-heat the air. The pre-heated air is then mixed with the oil to be burned. Prior to entering the chamber, the air is conducted within a hollow section of the wall structure of the heat exchanger to transfer heat from a hot end of the wall structure toward a cooler end thereof.

Abstract: A refrigerant distributor for use in a shell and tube evaporator has a decreasing cross-sectional area which uniformly distributes refrigerant to the tube bundle within the evaporator shell and operates with a small distributor to evaporator pressure drop.

Abstract: A tube and shell heat exchanger having inlet and outlet manifolds, a plurality of tubes extending between the manifolds and a shell extending between the manifolds and enveloping the tubes. The tube and shell heat exchanger has at least one baffle through which the tubes pass to locate and maintain the tubes in a spaced apart relationship. The baffle is comprised substantially in the shape of a helix of polymeric material that extends from the axis of the helix to the periphery of the helix. The tubes pass through the material in a spaced apart relationship with respect to each other and are spaced apart from the axis of the helix. The tube and shell heat exchanger is particularly intended for marine applications.

Abstract: A convective countercurrent heat exchanger comprises a nest of pipes (36) which is arranged in a cylindrical shell (35) and is equipped with ribbed pipes (37). The pipes through which a liquid flows are connected to a collector (33, 34). The shell is provided with a gas-inlet connection piece (31) and a gas-outlet connection piece (32). The nest of pipes (36), which is composed of a plurality of layered pipes, is mounted in a rectangular case (40). The pipes are provided in their straight parts (37) with welded-on ribs and are connected to one another by unribbed pipe bends (38). The pipe bends are accommodated in compartments (45) through which flow does not take place. The case (40) through which flow takes place opens on the outlet side (50) in a dome (51) which is delimited by the shell (35). The gas-outlet connection piece (32) is situated in the shell at that end of the annular chamber (44), enclosed by the shell and case, which is remote from the dome (51).

Abstract: A heat exchanger is provided, including a tubular shell having an opening in one end thereof, an open-topped, side-slotted shroud mounted inside the shell, a bundle of tubes extending through the opening into the shroud, means for circulating a hot fluid through the bundle of tubes,means for charging a heat-exchange fluid to the space between the shell and the shroud for flow through slots into the shroud and into indirect heat exchange contact with the bundle of tubes for cooling the hot fluid, andmeans for removing heated exchange fluid from the top of said shell.