Abstract: The invention relates to a wound heat exchanger having a core tube extending along a longitudinal axis in an axial direction and having a tube bundle, which has a plurality of tubes for conducting a first fluid, wherein the tubes are wound about the core tube in a plurality of windings, the tubes being arranged in a radial direction perpendicular to the axial direction in a plurality of tube layers, adjacent windings of at least one tube layer having different axial distances in the axial direction and/or tube layers adjacent in the radial direction having different radial distances from each other in a cross-sectional plane perpendicular to the longitudinal axis. The invention further relates to a method for producing a wound heat exchanger and to a method for transferring heat between a first fluid and a second fluid by means of the heat exchanger.

Abstract: The invention relates to a heat exchanger (1) for the indirect transfer of heat between a first and at least one second medium (M, M?), having a jacket space (I) for receiving the first medium (M), a core pipe (20) arranged in the jacket space (I), a pipe bundle (15) arranged in the jacket space (I), which bundle comprises a plurality of pipes (10) which are each wound around the core pipe (20) such that the pipe bundle (15) has a plurality of pipe layers arranged on top of each other (100, 101, 102, 103) which each comprise at least one pipe (10), a pipe bundle gap (200, 201, 202, 203) being present between all the adjacent pipe layers (100, 101; 101, 102; . . . ) and a plurality of spacers (30) being arranged in each pipe bundle gap (200, 201, 202, 203) to support the pipe layers (100, 101, 102, 103).

Abstract: The invention relates to a wound heat exchanger having a core tube extending along a longitudinal axis in an axial direction and having a tube bundle, which has a plurality of tubes for conducting a first fluid, wherein the tubes are wound about the core tube in a plurality of windings, the tubes being arranged in a radial direction perpendicular to the axial direction in a plurality of tube layers, adjacent windings of at least one tube layer having different axial distances in the axial direction and/or tube layers adjacent in the radial direction having different radial distances from each other in a cross-sectional plane perpendicular to the longitudinal axis. The invention further relates to a method for producing a wound heat exchanger and to a method for transferring heat between a first fluid and a second fluid by means of the heat exchanger.

Abstract: A heat exchanger includes a core tube extending in a shell space, several tubes wound around the core tube, and a liquid distributor. The liquid distributor is arranged above the tubes in the shell space and applies a liquid phase of a first medium to the tubes. The liquid distributor has distributor arms projecting in the radial direction from the core tube, an annular channel extending above the distributor arms in a circumferential direction of the shell and a collector tank formed by the core tube. The annular channel and the collector tank are each designed to collect the first medium. The distributor arms form at least one first container and at least one second container separated from the first container.

Abstract: The invention relates to a method for calculating the strength and the service life of a process apparatus through which fluid flows, wherein: temperatures existing at a plurality of different points of the apparatus are measured at a first time point in order to obtain temperature measurement values (201); the temperature measurement values are used as constraints in a finite element method (203) in order to determine mechanical stresses existing at a plurality of different points in the material of the apparatus as stress values (204); the remaining service life of the material of the apparatus is determined from the obtained stress values (205); the remaining service life of the material of the apparatus is determined also in dependence on data regarding the apparatus that were determined at a second time point (207), which second time point is earlier than the first time point.

Abstract: The invention concerns a temperature compensating element (40) for a pipe (30), wherein the temperature compensating element (40) has at least one phase-change element (20) and can be inserted into the pipe (30) in such a way that the temperature compensating element (40) lies flat against an inside surface (32a) of a pipe casing (32) of the pipe (30) and that the phase-change element (40) is in thermal contact with the pipe (30), and wherein the temperature compensating element (40) forms a through-channel (22) along a running direction (100) of the pipe (30).

Abstract: The invention relates to a plate heat exchanger (1) for a process engineering system (2), having a plurality of lamellae (3, 4) and a plurality of separating plates (5-7), which are arranged alternately, wherein at least one separating plate (6) has an optical waveguide (35) that is embedded in the at least one separating plate (6) in such a way that the optical waveguide (35) is covered on both sides by material of the at least one separating plate (6) in a first direction (R1) and in a second direction (R2), which are each oriented perpendicular to a plane (E) defined by the at least one separating plate (6) and in opposite senses with respect to one another.

Abstract: The invention relates to a method for determining the state of a heat exchanger device (10) that comprises means for transferring heat with the aid of at least one process stream. A thermohydraulic simulation of the at least one process stream through at least one passage (14) in the heat exchanger device (10) is carried out in order to determine temperature and/or heat transfer coefficient profiles of the means for transferring heat.

Abstract: Helically coiled heat exchanger for the indirect exchange of heat between a two-phase first medium and a second medium has a shell surrounding a shell space, which extends along a longitudinal axis, an inlet for the admission of the two-phase first medium into the shell space, a tube bundle arranged in the shell space and having multiple helically coiled tubes for accommodating the second medium and a separating device for separating a gaseous phase from a liquid phase. The separating device has a tray arranged above the tube bundle which serves for collecting the liquid phase. The tray has a plurality of chimneys for separating the two phases. Each chimney projects from the tray from a side of the tray facing away from the tube bundle and is covered by a roof. An opening in the tray between the roof and an upper end of the respective chimney, there is provided an inlet opening via which the gaseous phase can flow into the respective chimney.

Abstract: A heat exchanger, providing indirect heat transfer between a first fluid and at least one second fluid, comprises a jacket enclosing a jacket space for accommodating the first fluid and a tube bundle arranged in the jacket space and having a plurality of tubes for accommodating the at least one second fluid. The tubes form multiple tube layers. A shroud arranged in the jacket space encloses an outermost tube layer of the tube bundle. Spacers extending along the longitudinal axis are arranged between the shroud and the outermost tube layer. An interspace is present between any two spacers adjacent in the circumferential direction of the shroud, and between the shroud and the uppermost tube layer. A flow obstruction is arranged in the respective interspace and is designed to prevent or suppress a flow of the first fluid in the respective interspace, at least over a part section thereof.

Abstract: A heat exchanger for indirect heat exchange between a first and a second medium is provided with a shell space for receiving the first medium, and a tube bundle arranged in the shell space and for receiving the second medium. The tubes are helically wound in a number of tube layers onto a core tube. The tube bundle includes a first tube layer which is positioned further outward in the radial direction of the tube bundle from an adjacent second tube layer. The heat exchanger includes at least one spacer and the first tube bundle is supported against the second tube bundle via the at least one spacer. The at least one spacer has a flow-directing region designed to deflect part of the first medium flowing along a tube of the first tube layer in the direction of the second tube layer situated further inwards in the radical direction.

Abstract: The invention relates to a heat exchanger (1), comprising: a shell (2) surrounding a shell space (3) of the heat exchanger (1), wherein the shell space (3) is designed to receive a fluid first medium (M); a core tube (4) extending in the shell space (3); a tube bundle (5) having several tubes (50) wound around the core tube (4), wherein the tube bundle (5) is designed to receive at least one fluid second medium (M?) so that heat can be transferred indirectly between the first medium (M) and the at least one second medium (M?); and a liquid distributor (6), arranged above the tube bundle (5) in the shell space (3), for applying a liquid phase (F) of the first medium (M) to the tube bundle (5), wherein the liquid distributor (6) has distributor arms (60) projecting in the radial direction (R) from the core tube (3); an annular channel (61) extending above the distributor arms (60) in a circumferential direction (U) of the shell (2), and a collector tank (62) formed by the core tube (4), wherein the annular chan

Abstract: The invention relates to a fluid-conducting device (10) having a conduit block (12), within which there are formed multiple primary conduits (14) which extend in a primary conduit direction (100) and which are designed to conduct a primary fluid. The fluid-conducting device furthermore has at least one secondary conduit (16), which extends at least partially in a secondary conduit direction (102) extending at least partially perpendicular to the primary conduit direction (100) and which is designed to conduct or to receive a secondary fluid.

Abstract: A heat exchanger provides indirect heat transfer between a first fluid and at least one second fluid. The heat exchanger comprises a jacket which encloses a jacket space for accommodating the first fluid and a tube bundle arranged in the jacket space and having a plurality of tubes for accommodating the at least one second fluid, the tubes forming multiple tube layers, and a shroud arranged in the jacket space and encloses an outermost, tube layer of the tube bundle. Spacers extending along the longitudinal axis are arranged between the shroud and the outermost tube layer, an interspace is present between any two spacers adjacent in the circumferential direction of the shroud, and between the shroud and the uppermost tube layer. A flow obstruction is arranged in the respective interspace and is designed to prevent or suppress a flow of the first fluid in the respective interspace, at least over a part section thereof.

Abstract: The invention relates to a heat exchanger for indirect heat exchange between a first and a second medium, with a shell space for receiving the first medium, and a tube bundle arranged in the shell space and for receiving the second medium. The tubes are helically wound in a number of tube layers onto a core tube. At least one spacer is provided by means of which a first tube layer that is situated further outwards in the radical direction is supported on a neighbouring, second tube layer that is situated further inwards. The at least one spacer has a flow-directing region designed to deflect part of the first medium flowing along a tube of the first tube layer in the direction of the second tube layer situated further inwards in the radical direction.

Abstract: Helically coiled heat exchanger for the indirect exchange of heat between a two-phase first medium and a second medium comprises a shell surrounding a shell space, which extends along a longitudinal axis, an inlet for the admission of the two-phase first medium into the shell space, a tube bundle arranged in the shell space and having multiple helically coiled tubes for accommodating the second medium and a separating device for separating a gaseous phase from a liquid phase. The separating device has a tray arranged above the tube bundle which serves for collecting the liquid phase. The tray has a plurality of chimneys for separating the two phases. Each chimney projects from the tray from a side of the tray facing away from the tube bundle and is covered by a roof. An opening in the tray between the roof and an upper end of the respective chimney, there is provided an inlet opening via which the gaseous phase can flow into the respective chimney.

Abstract: The invention relates to a heat exchanger for indirect heat exchange between a first and second medium having: a shell, extending along a longitudinal axis and surrounding a shell space for receiving the first medium, and a plurality of tubes coiled helically onto a core tube which extends along the longitudinal axis in the shell space forming a tube bundle. The tube bundle comprises a number of tube layers lying one on top of the other in the radial direction. The second medium is conducted within the tubes to exchange heat indirectly with the first medium. The at least one distributor arm distributes a liquid phase of the first medium to an upper side of the tube bundle. The at least one distributor arm has, opposite from the upper side, a bottom with through-openings, so that the liquid phase can be passed to the upper side of the tube bundle.

Abstract: The invention relates to a heat exchanger for indirect heat exchange between a first medium and a second medium, comprising a shell surrounding a shell space which extends along a longitudinal axis. The shell space serves for accommodating the first medium. A tube bundle is arranged in the shell space having multiple tubes for accommodating the second medium. The tubes are helically coiled in multiple tube layers onto a core tube. The tube bundle has a multiplicity of inner tube layers, surrounding the core tube, and a multiplicity of outer tube layers, surrounding the inner tube layers. The heat exchanger discharges a part of a gaseous phase out of the shell space from the region of the inner tube layers via a gas discharge device, and/or supplies a gaseous phase into the shell space in the region of the outer tube layers via a gas supply device.

Abstract: The invention relates to a fluid conduit component, designed to be flowed through by a fluid in a direction of flow. The fluid conduit component has a conduit wall, which extends along the direction of flow and at least partially forms a conduit channel. Furthermore, the fluid conduit component has at least one capillary, which at least partially runs along the direction of flow and within the conduit wall and is enclosed by said conduit wall and/or is arranged within a capillary module arranged on an inner side of the conduit wall facing the conduit channel and is enclosed by said capillary module. The conduit wall is in this case formed with the capillary running at least partially therein and/or with the capillary module at least partially by an additive manufacturing process. Furthermore, the invention relates to a method for producing a fluid conduit component.

Abstract: The invention relates to a heat exchanger system comprising a jacket extending along a longitudinal axis and surrounding a jacket space. A pipe bundle is arranged in the jacket space wherein pipes are wound helically around a central pipe. At least one pre-distributor container is arranged in the jacket space for accommodating and degassing a liquid-gas mixture and designed to coat a distributing means with liquid degassed in the at least one pre-distributor container. The distributing means is designed to deliver the liquid to the pipe bundle. At the top the jacket has an inlet which is aligned with the longitudinal axis and in fluid connection with the central pipe. The central pipe has at least one lateral opening so that the liquid-gas mixture can be fed via the inlet, the central pipe, and the at least one lateral opening into the at least one pre-distributor container.