EP3830510A1 - Abstützung von rohren gewickelter wärmeübertrager - Google Patents
Abstützung von rohren gewickelter wärmeübertragerInfo
- Publication number
- EP3830510A1 EP3830510A1 EP19745563.7A EP19745563A EP3830510A1 EP 3830510 A1 EP3830510 A1 EP 3830510A1 EP 19745563 A EP19745563 A EP 19745563A EP 3830510 A1 EP3830510 A1 EP 3830510A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bracket element
- section
- tube
- web
- bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/027—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers by helically or spirally winding elongated elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
- F28F9/0132—Auxiliary supports for elements for tubes or tube-assemblies formed by slats, tie-rods, articulated or expandable rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/06—Fastening; Joining by welding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/08—Fastening; Joining by clamping or clipping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
Definitions
- the invention relates to a wound heat exchanger according to claim 1.
- Such heat exchangers have a tube bundle which has at least one or more tubes for receiving at least one fluid first medium, the at least one tube or the tubes at least in sections
- the tube bundle can have several tube layers, one tube layer being supported by webs on a tube layer arranged below it or on the core tube. A plurality of adjacent pipe sections therefore lie on or on each web.
- the pipe sections can belong to a pipe (in the event that the pipe layer is wound from only one pipe), or to different pipes which are wound next to one another in the relevant pipe layer on the pipe layer below.
- Bracket elements 41, 42 are placed over the individual pipe sections 30 lying against the webs 10 and at different points by means of
- first bracket elements 41 are connected to the webs 10 via welded connections S
- second bracket elements 42 arranged between adjacent first bracket elements 41 can be connected to the first bracket elements 41 via welded connections S.
- the pipe sections 30 are thus fixed to the webs 10.
- Pipe sections 30 set in the same way.
- the welded connections S of the type shown in FIG. 1 there is a risk of the pipes to be fastened melting and, in the case of materials with a low oxide layer, also the connection of the respective bracket element to the pipe in question.
- the welding process has to introduce so much energy locally that the metal melts. This high amount of energy is then transferred to the surrounding parts by heat conduction, so that the direct contact point at the hottest point reaches the melting temperature with favorable heat transfer coefficients.
- the tube wall thickness is still very thin, this area becomes larger because there is not enough material to pass through
- the object of the present invention is to provide a heat exchanger of the type mentioned at the outset, which is improved with regard to the aforementioned problems.
- FIG. 1 Further aspects of the invention relate to a fastening system and a method for fixing a pipe section to a web of a heat exchanger.
- a heat exchanger is provided, with:
- a tube bundle comprising at least one tube for receiving a fluid medium, the at least one tube in particular at least
- the at least one first bracket element for fixing the first tube section to the at least one web, the bracket element abutting the first tube section with an underside facing the first tube section, and according to the invention the at least one first bracket element has at least one first fastening area, which forms an elevation on an upper side of the at least one first bracket element facing away from the underside, and one on the underside of the at least one first bracket element
- Depression forms, so that in particular the at least one first bracket element together with the first tube section encloses the depression, which is used in particular for thermal insulation when producing a welded connection between the at least one first fastening area and a further bracket element or a web.
- Heat exchanger has a jacket that defines a jacket space in which the tube bundle and the core tube are arranged.
- the jacket space is designed to accommodate another fluid medium, so that the fluid medium guided in the tube bundle and the other fluid medium accommodated in the jacket space can enter into an indirect heat exchange.
- Such heat exchangers with tube bundles made of wound tubes are also referred to as wound heat exchangers.
- the bracket elements can also be made from a metal, in particular from a metal strip, the fastening areas (for example in the form of bumps) being stamped in such a way that the bracket element forms a depression or a cavity on the inside.
- the elevation formed by the first fastening area is convexly curved and / or that the depression formed by the first fastening area is concavely curved.
- Heat exchanger provided that the at least one first fastening area (or the elevation / depression) by reshaping the at least one first
- Bow element (in particular deep-drawing) is stamped into the at least one first bow element.
- the at least one first fastening area is therefore in particular bulge-shaped and bulges on the top of the at least one first fastening area
- the at least one first fastening area on the underside forms a corresponding depression or dent.
- Heat exchanger provided that the at least one first fastening area of the at least one first bracket element is welded to a further bracket element or to a further web via a welded connection.
- the at least one first bracket element has a first end section and an opposite second end section, the two end sections being connected to one another via a curved middle section of the at least one first bracket element.
- the middle section bears against the first pipe section, the first end section in particular being connected via a welded connection to the at least one web, and the second end section in particular being connected to the at least one web via a welded connection.
- Heat exchanger provided that the middle section in a circumferential direction of the first pipe section is curved, so that the inside of the at least one first bracket element in the area of the middle section lies flat, in particular in a form-fitting manner, on an upper side of the first pipe section facing away from the web.
- the middle section of the at least one first bracket element forms, for example, a semi-cylindrical shell for contacting the top of the first tube section.
- the two end sections of the at least one bracket element protrude from the central section in the direction of the at least one web (in particular in each case tangential to the surface of the pipe section), so that the two end sections run parallel to one another (on sides of the pipe section facing away from one another) ,
- the at least one first bracket element thus encloses the first pipe section together with the at least one web on which the first pipe section rests.
- Heat exchanger provided that the at least one first fastening region of the at least one first bracket element is formed on the central section of the at least one first bracket element and with a first
- End portion of a second bracket element is connected via a welded connection.
- the at least one first bracket element has a second fastening area, which forms an elevation on the top of the at least one first bracket element, and which forms a recess on the underside of the at least one first bracket element, so that the first bracket element together with the first Pipe section includes this recess. Furthermore, the second fastening area is formed in particular on the central section of the at least one first bracket element and lies on the first
- the second fastening area in particular in a circumferential direction of the pipe section. Furthermore, the second fastening area is in particular connected to a first end section of a third bracket element via a welded connection. Furthermore, according to one embodiment of the heat exchanger according to the invention, it is provided that the middle section of the at least one first bracket element is wider in an axial direction of the first tube section than the two end sections of the at least one first bracket element, and / or that the middle section of the at least one first bracket element has a greater length in the axial direction than in a circumferential direction of the first tube section, and / or that the central section of the at least one first bracket element is wider in the axial direction than the at least one web.
- Heat exchanger provided that a third fastening area is provided on the central portion of the at least one first bracket element, the one
- Elevation forms on the top of the at least one first bracket element, and which forms a depression on the underside of the at least one first bracket element, so that the first bracket element together with the first tube section encloses this depression, the third fastening region having a further web of the tube bundle of the Heat exchanger is connected via a welded connection.
- a fourth fastening area is provided on the central portion of the at least one first bracket element, which forms an elevation on the upper side of the at least one first bracket element and which forms a depression on the underside of the at least one first bracket element, so that the first bracket element together with the first tube section includes this recess, the fourth fastening area the third
- the fourth fastening area is connected to the further web of the tube bundle of the heat exchanger via a welded connection.
- the said further web runs in particular parallel to the at least one web and bears against the middle section of the at least one first bracket element (and, if appropriate, against the further bracket elements).
- the first pipe section and adjacent pipe sections of the same pipe layer are accordingly arranged between the at least one web and the further web.
- Heat exchanger provided that the first and the second fastening area are arranged in an axial direction between the third and the fourth fastening area on the central portion of the at least one first bracket element.
- Heat exchanger provided that the middle section of the at least one first bracket element has a first and a second through opening, so that the middle section abutting the first pipe section leaves a first and a second surface area of the first pipe section free, the further web having a first foot the first surface area and with a second foot on the second surface area of the pipe section.
- Heat exchanger provided that the two through openings of the central section of the at least one first bracket element are opposite to each other in the axial direction of the first pipe section, the two
- Bracket element are arranged, and wherein the first and the second
- a second bracket element is provided, which is used to fix a second tube section of a tube of the tube bundle, which runs adjacent to the first tube section and on which at least one web rests. It is provided according to one embodiment of the invention that the second
- Bracket element with an underside facing the second pipe section bears against the second pipe section. Furthermore, according to one embodiment
- the second bracket element has a first end section and an opposite second end section, the two end sections of the second bracket element being connected to one another in particular via a central section of the second bracket element, and in particular the central section of the second bracket element abutting the second pipe section. Furthermore, it is provided according to one embodiment that the first end section of the second bracket element is connected to the first fastening region of the at least one first bracket element via a welded connection, and / or that the second end section of the second bracket element is connected to the web via a welded connection.
- the middle section of the second bracket element is curved in a circumferential direction of the second tube section, so that the inside of the second bracket element in the area of the middle section of the second bracket element lies flat, in particular form-fitting, on an upper side of the second tube section facing away from the web.
- the middle section of the second bracket element forms a shell for contacting the top of the second pipe section.
- the second end section of the second bracket element protrudes from the middle section of the second bracket element, in particular tangentially to the surface of the second tube section, whereas the first end section of the second bracket element in particular in a direction away from the second tube section from the middle section of the second bracket element protrudes and extends in the direction of the first fastening area of the at least one first bracket element with which the first
- the second bracket element thus encloses the second tube section together with the web and the first end section of the at least one first bracket element
- the second bracket element has in its central portion a fastening area which is an elevation on one of the
- the fastening area of the second bracket element is connected to a further third bracket element via a welded connection (see below).
- a third bracket element is provided, which is provided for fixing a third tube section of a tube of the tube bundle, which runs adjacent to the second tube section (the second tube section extends between the first and the third tube section) and on which at least one web rests.
- the third bracket element lies against the third tube section with an underside of the third bracket element facing the third tube section.
- the third bracket element has a first end section and a
- Bracket element is connected via a welded connection.
- the middle section of the third bracket element is curved in a circumferential direction of the third tube section, so that the inside of the third bracket element in the area of the middle section of the third bracket element lies flat, in particular in a form-fitting manner, on an upper side of the third tube section facing away from the web.
- the middle section of the third bracket element in turn forms a shell for contact with the
- the first end section of the third bracket element is in accordance with a
- Embodiment in a direction pointing away from the third pipe section from the central section of the third bracket element and extends in the direction of the fastening region of the second bracket element to which the first end section of the third bracket element is connected via a welded connection.
- Stirrup element protrudes from the middle section of the third stirrup element in a direction pointing away from the third tube section and thereby protrudes
- Fastening system has at least one first bracket element, which is designed to be placed on the first tube section with an underside facing the first pipe section, the first bracket element having a first fastening area, which has an elevation on an upper side of the at least facing away from the underside forms a first bracket element, and which forms a depression on the underside of the at least one first bracket element, so that the first bracket element when in contact with the top of the first
- the first fastening region is designed to be connected to a further bracket element or a further web via a welded connection.
- Bracket element are connected to each other, wherein the inside of the first bracket element is formed in the region of the middle section for abutting the first pipe section.
- Bracket element is curved so that the inside of the first bracket element in the area of the middle section can rest flat, in particular in a form-fitting manner, on an upper side of the first tube section facing away from the web, the two end sections in particular running parallel to one another.
- the bracket element protrudes from the central section of the first bracket element in such a way that it is arranged on the web, in particular abuts it when the first
- Bracket element rests with its underside or middle section on the first pipe section and the first pipe section bears on the web. This is the first end section of the second bracket element can be connected to the web via a (in particular punctiform) welded connection.
- the bracket element protrudes from the central section of the first bracket element in such a way that it is arranged on the web, in particular abuts it when the first
- Bracket element rests with its underside or middle section on the first pipe section and when the first pipe section rests on the web.
- the second end section of the second bracket element can also be connected to the web via a (in particular punctiform) welded connection.
- Fastening system provided that the first fastening region of the first bracket element is formed on the central portion of the first bracket element.
- first fastening region is designed to be connected to a first end section of a second bracket element via a welded connection.
- first bracket element has a second fastening area which has an elevation on the top of the first
- bracket element Forms bracket element, and which forms a depression on the underside of the first bracket element, so that the first bracket element encloses this depression together with the first tube section when in contact with the top of the first tube section.
- the second fastening region of the first bracket element is designed to be connected to a second end section of a third bracket element via a welded connection.
- the second fastening region is also formed on the middle section of the first bracket element and is in particular opposite the first fastening region, in particular in a circumferential direction of the first tube section, when the first bracket element with its underside or its middle section on the first pipe section is present.
- the bracket element is wider in a first direction than the two end sections of the first bracket element connected to it.
- the middle section of the first bracket element has a greater length in the first direction than in a second direction perpendicular thereto, with the inside or middle section of the first bracket section on the first pipe section is applied, the first direction corresponds to the axial direction of the first pipe section and the second direction corresponds to the circumferential direction of the first pipe section.
- a third fastening area is provided, which forms an elevation on the upper side of the first bracket element, and which forms a depression on the underside of the first bracket element, so that the first bracket element, when resting on the upper side of the first tube section, this depression together with the first tube section includes.
- a further web in particular a further web of the tube bundle of the heat exchanger
- a further web is designed to be connected to a further web (in particular a further web of the tube bundle of the heat exchanger) via a welded connection if the further web is parallel to the one web on the first
- Bracket element is arranged.
- a fourth fastening area is provided, which forms an elevation on the upper side of the first bracket element, and which forms a depression on the underside of the first bracket element, so that the first bracket element, when resting on the upper side of the first tube section, this depression together with the first tube section includes.
- the fourth fastening area is designed to be connected to the further web of the tube bundle of the heat exchanger via a welded connection if the further web is arranged parallel to the one web on the first bracket element.
- Fastening system provided that the first and the second fastening area of the first bracket element are arranged in the first direction between the third and the fourth fastening area on the middle section of the first bracket element.
- Bracket element has a first and a second through opening, so that a first and a second surface area of the first in a middle section of the first bracket element abutting the first tube section
- Pipe section are left free and in particular the further web can be positioned with a first foot on the first surface area and with a second foot on the second surface area of the pipe section.
- the fastening system provided that the two through holes are opposite each other in the first direction, wherein the two through holes are arranged in the first direction between the third and fourth fastening area, and wherein the first and second fastening area in the first direction between the two through holes the middle section of the first bracket element are arranged. Furthermore, according to one embodiment of the fastening system according to the invention, the fastening system is a second
- Has bracket element which is designed to fix a second tube section of a tube of the tube bundle, which runs adjacent to the first tube section and against which at least one web, with one of the second
- the second bracket element has a first end section and an opposite second end section, the two end sections of the second bracket element being connected to one another via a curved middle section of the second bracket element, wherein
- the inside of the second bracket element in the region of the middle section is designed to bear against the second pipe section.
- the second bracket element is designed such that the first end section of the second bracket element comes to lie adjacent to the first fastening region of the first bracket element when the first bracket element with its underside or its central section on the first
- Pipe section abuts and when the second bracket element rests with its underside or its central section on the second pipe section.
- the first fastening area of the first bracket element is in particular via a
- Welded connection can be connected to the first end section of the second bracket element.
- the bracket element protrudes from the central section of the second bracket element in such a way that it is arranged on the web, in particular abuts it when the second
- Bracket element rests with its underside or middle section on the second pipe section, and when the second pipe section bears on the web.
- the second end section of the second bracket element can be connected to the web in particular via a welded connection.
- the first end section of the second bracket element protrudes from the central section of the second bracket element in a direction pointing away from the second tube section and extends in the direction of the first
- the second bracket element has in its central portion a fastening area which is an elevation on one of the
- the bracket element is designed via a welded connection to a
- fastening system provided that the fastening system is a third
- Has bracket element which is designed to fix a third tube section of a tube of the tube bundle, which runs adjacent to the second tube section and abuts the web, with one facing the third tube section
- the second pipe section is thus arranged between the first and the third pipe section.
- the third bracket element has a first end section and an opposite second end section, the two end sections of the third bracket element being connected to one another via a curved central section of the third bracket element, in particular the Underside in the area of the middle section of the third bracket element is designed to lie against the third pipe section.
- Fastening area of the second bracket element comes to rest when the second bracket element rests with its underside or its middle section on the second tube section and when the third bracket element rests with its underside or its middle section on the third tube section.
- the fastening area of the second bracket element can be connected to the first end section of the third bracket element via a welded connection.
- the third bracket element is designed such that the second end section of the third bracket element comes to lie adjacent to a second fastening region of a further first bracket element when the further first bracket element rests with its underside or its central section on a further first tube section , which runs adjacent to the third pipe section and when the third bracket element rests with its underside or its central section on the third pipe section.
- the second fastening area of the further first bracket element is over a
- Welded connection can be connected to the second end section of the third bracket element.
- Stirrup element protrudes from the middle section of the third stirrup element in a direction pointing away from the third pipe section and thereby extends in the direction of the fastening area of the second stirrup element when the second stirrup element rests with its underside or its middle section on the second pipe section, and when the bottom or middle section of the third bracket element rests on the third pipe section.
- the third bracket element in particular has no raised fastening areas in its central section.
- the fastening system has a plurality of first, second and third bracket elements, which are designed to fix a corresponding plurality of adjacent pipe sections, which abut a web of a tube bundle of the heat exchanger, to the web, between two adjacent first ones Bracket elements a second and a third bracket element are arranged, wherein the bracket elements are connected in particular in the manner described above with each other and with the web.
- Another aspect of the present invention relates to a method for fixing at least a first tube section of a tube bundle of a heat exchanger to a web of the tube bundle using an inventive
- a second pipe section is placed adjacent to the first pipe section on the web, and in particular that a third pipe section is placed adjacent to the second pipe section on the web.
- the second bracket element is applied with its underside or its central section to the second pipe section, which runs adjacent to the first pipe section, so that the first end section of the second
- Bracket element is arranged on the first fastening region of the first bracket element, and so that the second end portion of the second bracket element is arranged on the web.
- the bottom or middle section of the third bracket element is placed against a third pipe section which runs adjacent to the second pipe section, so that the first end section of the third bracket element is attached to the fastening area of the second bracket element is arranged, and so that in particular the second end section of the third bracket element is arranged on a second fastening region of a further first bracket element.
- the first fastening area of the first bracket element is connected to the first end section of the second bracket element via a welded connection.
- the fastening area of the second fastening bracket is connected to the first end section of the third fastening bracket via a welded connection.
- the second end section of the second fastening bracket is connected to the web via a welded connection.
- the second end section of the third fastening bracket is connected to the second fastening region of the further first fastening bracket via a welded connection. Furthermore, according to one embodiment of the method according to the invention, there is a further web on the first, second and third
- Fastening bracket is arranged so that the further web rests with a first foot on the first surface area of the first pipe section, and so that the further web rests with the second foot on the second surface area of the first pipe section.
- the third fastening area of the first fastening bracket is connected to the further web via a welded connection.
- the fourth fastening area of the first fastening bracket is connected to the further web via a welded connection.
- a plurality of pipe sections adjacent to one another on a web can be fixed on the web by means of the first, second and third fastening brackets, in particular a second and a third fastening bracket on the respective (second or third) pipe section between two adjacent first fastening brackets are arranged.
- FIG. 1 shows a fastening of pipe sections of a pipe bundle to webs of the pipe bundle by means of fastening brackets in accordance with a configuration which has been customary in the applicant's manufacturing operation up to now.
- Fig. 2 is a fragmentary sectional view of an example of a
- FIG. 3 shows a perspective illustration of a first fastening bracket of a fastening system according to the invention
- Fig. 4 is a perspective view of a plurality of pipe sections
- Pipe bundle of a wound heat exchanger (e.g. according to the type of FIG. 2), the pipe sections being fixed to the webs of the pipe bundle by means of first, second and third fastening brackets according to the invention;
- FIG. 5 shows a partially sectioned side view of a plurality of first bracket elements arranged one above the other in the radial direction of the tube bundle, in the manner of FIG. 3;
- Fig. 6 is a sectional view of the tube bundle of an inventive
- FIG. 2 shows an embodiment of a wound heat exchanger 1 according to the invention.
- the heat exchanger 1 has a tube bundle 3, which is shown by way of example in FIG. 2 in a perspective and partially sectioned view.
- the tube bundle 3 has a plurality of tubes 30 for receiving at least a first fluid medium M, the tubes 30 according to FIG. 2 in each case being wound in a helical manner on a core tube 300 of the heat exchanger 1, which extends along a longitudinal axis z, so that the tube bundle 3 has a plurality of tube layers 4, which in a radial direction R of the tube bundle 3
- the tube bundle 3 is in particular cylindrical
- a second medium M ' can be introduced into the jacket space 6 via a connector 52 and can be withdrawn from the jacket room 6 via a further connector 53, so that the at least one first medium M and the second medium M' can indirectly exchange heat with one another.
- Subdivide tube groups (for example, three tube groups are shown in FIG. 2), which can also be loaded with different first media M, for example.
- the heat exchanger 1 has at least one connection piece 50.
- the at least one first medium M can be withdrawn again from the tube bundle 3 via at least one further connection piece 51.
- the tube bundle 3 can be surrounded by a cylindrical shirt 7, which serves for one
- the circumferential direction of the tube layers 4 in each case in particular a constant plurality of webs 10 is provided (ie the same number of webs 10 is provided between every two adjacent tube layers 4), the webs 10 each extending along the longitudinal axis z and being arranged one above the other in the radial direction R. ,
- the respective web 10 according to FIG. 3 has an upper side 10a, which points away from the core tube 300, and an underside 10b facing away from the upper side, which faces the core tube 300.
- a plurality of concave recesses 15 are provided on the upper side 10a of the respective web 10 (FIG. 3 shows only one recess 15), which are arranged equidistantly from one another in particular along the respective web 10.
- These recesses 15 are formed in a second leg 12 of the respective web 10 which extends along the longitudinal axis z and which projects in the radial direction R of the tube bundle 3 from a first leg 11 which extends along the longitudinal axis z.
- a pipe section of a wound pipe which is referred to in FIG.
- FIG. 4 shows several neighboring ones Pipe sections 31, 32, 33 which are arranged alongside one another along the longitudinal axis z.
- the individual adjacent tube sections 31, 32, 33 can belong to a wound tube 30 or to different tubes 30 which are wound in a tube layer 4 on the core tube 300.
- the respective tube sections 31, 32, 33 protrude from the respective recess 15 in the radial direction R of the tube bundle 3.
- the webs 10 extend over the entire length of the tube bundle 3 in the direction of the longitudinal axis z.
- two webs 10 adjacent in the radial direction R are particularly regular over their entire length along the longitudinal axis z
- these first fastening brackets 41 which are shown in FIGS. 3 to 6, are used to fix a first tube section 31 of the tube bundle 3 to an associated web 10 of the tube bundle 3, whereby the at least one first bracket element 41 with an underside 41 a facing the first tube section 31 bears against the first tube section 31, and the at least one first bracket element 41 has at least one first fastening region 41 1, which according to detail D of FIGS Elevation 400 forms on an upper side 41 b facing away from the lower side 41 a of the at least one first bracket element 41 and forms a recess 401 on the lower side 41 a of the at least one first bracket element 41.
- first fastening area 41 1 Due to the design of the first fastening area 41 1, between the first fastening area 41 1 and e.g. another bracket element a
- the heat exchanger 1 according to the invention or the fastening system according to the invention also has at least one second bracket element 42 according to one embodiment and at least one third bracket element 43 according to another embodiment.
- the first, second and third bracket elements 41, 42, 43 are, as shown in FIGS. 4 to 6, alternating along the longitudinal axis z of the heat exchanger or the tube bundle 3, preferably over the entire length of the tube bundle 3
- bracket elements 41, 42, 43 and between bracket elements 41, 42 and the webs 10 are shown in particular in FIGS. 5 and 6.
- bracket elements 41, 42, 43 The connections of the bracket elements 41, 42, 43 to one another and to two webs 10 adjacent in the radial direction R will be described below for a tube layer 4 of the tube bundle 3 and applies in particular to all tube layers 4 and webs 10 of the tube bundle 3.
- the individual tubes 30 are wound around the core tube 300, the tube or tubes 30 of a tube layer 3 being wound on webs 10 which are arranged on the core tube 300 or arranged and fastened on the tube layer 4 last wound become.
- tube sections 31, 32, 33 of adjacent windings come to rest on a web, which then adjoin the web 10 along the longitudinal axis z and thereby into the recesses 15 of the one under consideration Intervene web 10.
- first, second and third pipe sections 31, 32, 33 are referred to as first, second and third pipe sections 31, 32, 33.
- the arrangement of the bracket elements 41, 42, 43 is repeated along the longitudinal axis z, so that the next three adjacent pipe sections 31, 32, 33 are again referred to as the first, second and third pipe sections 31, 32, 33.
- the at least one first bracket element 41 has a first end section 41 c and an opposite second end section 41 e, the two end sections 41 c, 41 e via a curved middle section 41 d of the first bracket element 41 are connected to one another, the underside 41 a of the first bracket element 41 abutting the first pipe section 31 in the region of the middle section 41 d.
- the middle section 41 d engages the first pipe section 31 section by section in the
- End sections 41 c, 41 e are each connected to the web 10 via a welded connection S.
- Fastening area 41 1 of the first bracket element 41 is connected to a first end section 42 c of a second bracket element 42 via a welded connection S. Since the underside 41 a of the first bracket element 41 lies in the area of the middle section 41 d of the first bracket element 41 on the first pipe section 31, the first bracket element 41 or the first fastening area 41 1 together with the first pipe section 31 closes the associated depression 401 as a cavity a (cf. detail D of FIGS. 3 and 4). This cavity 401 protects the first pipe section 31 from excessive heat when the said weld connection S is established between the first fastening area 41 1 of the first bracket element and the first end section 42 c of the second bracket element 42.
- the second bracket element 42 in turn lies on the web 10 with an underside 42a facing the second pipe section 32 on the second to fix the second pipe section 32 adjacent to the first pipe section 31
- End section 42c has an opposite second end section 42e, the two end sections 42c, 42e of the second bracket element 42 in turn being connected to one another via a central section 42d of the second bracket element 42.
- the underside 42a of the second bracket element 42 lies in the region of the central section 42d of the second bracket element 42 on the second pipe section 32 and encompasses the second pipe section 32 in a circumferential direction U of the second pipe section 32 in sections on an upper side of the second pipe section 32 facing away from the web 10.
- Bracket element 41 is arranged and connected to them via a welded connection S
- the second end section 42e of the second bracket element 42 is, however, connected to the web 10 via a welded connection S.
- the second bracket element 42 is connected on the one hand to the first bracket element 41 and on the other hand to the web 10 in order to fix the second tube section 32 to the web 10.
- the second bracket element 42 also has in its central section 42d (see detail D of FIGS. 3 and 4) a fastening area 421, which forms an elevation 400 on an upper side 42a of the second bracket element 42 facing away from the underside 42a, and on the underside 42a of the second bracket element 42 forms a depression 401, the fastening region 421 of the second bracket element 42 being connected via a welded connection S to the first end section 43c of a third bracket element 43.
- the second bracket element 42 or the fastening area 421 together with the second pipe section 32 also closes the associated depression 401 as a cavity a, which the second pipe section 32 from excessive heat when
- the third bracket element 43 serves to fix a third pipe section 33, which runs adjacent to the second pipe section 32 and bears against the web 10.
- the third bracket element 43 abuts the third tube section 33 with an underside 43a facing the third tube section 33, the third bracket element 43 having an opposite second end section 43e in addition to the first end section 43c, the two end sections 43c, 43e of the third bracket element 43 again via a central section 43d of the third bracket element 43 are interconnected.
- the underside 43a of the third bracket element 43 lies in the region of the middle section 43d of the third bracket element 43 on an upper side of the third tube section 33 facing away from the web 10, the second
- End section 43e of the third bracket element 43 is connected to a second fastening region 412 of a further first bracket element 41 (cf. in particular FIG. 4).
- This second fastening area 412 lies opposite the first fastening area 41 1 of the further first bracket element 41 in a circumferential direction U of the first tube section 31 encompassed by the further first bracket element 41.
- the second fastening area 413 of the further first bracket element 41 is designed analogously to the first fastening area 41 1, that is to say it in turn includes a depression 401 with the relevant first pipe section 31, which protects this pipe section 31 from excessive heat when a weld connection is established between the second fastening area 412 of the further first bracket element 41 and the second end section 43e of the third bracket element 43.
- the arrangement of the first, second and third bracket elements 41, 42, 43 described above then begins again with the further first bracket element 41 (cf. in particular FIG. 4).
- Bracket element 43 does not have a raised fastening area, but extends from the fastening area 421 of the adjacent second bracket element 42 to the second fastening area 412 of the adjacent further first bracket element 41. in particular that the third bracket element 43 is not connected to the web 10 directly via welded connections.
- the next web 10 located further outside in the radial direction R of the tube bundle 3 is fastened to the web 10 below it via the first bracket elements 41 arranged along the longitudinal axis z. Then, the tube or tubes 30 or
- Pipe sections 31, 32, 33 of the next pipe layer 4 fixed, in particular in the manner described above.
- the middle section 41 d of a first bracket element 41 is first described in more detail by way of example (cf. in particular FIGS. 3 and 5).
- the central section 41 d of the first bracket element 41 considered here by way of example is preferably wider in an axial direction A of the first tube section 31 than the web 10 on which the two end sections 41 c, 41 e of the first bracket element 41 are welded S (see also FIG. 6).
- Fastening area 413, 414 are provided, which are opposite each other in the axial direction A and are at a distance from each other that the radially further outward web 10 between these two fastening areas 413, 414 on the central portion 41 d of the first fastening bracket 41 (as well as on The middle sections of the further first mounting brackets 41) arranged along the longitudinal axis z can be arranged so that it runs parallel to the web 10 underneath.
- the radially further outward web 10 rests with two feet 13, 14 on the first tube section 31, which is encompassed by the first bracket element 41.
- the first bracket element 41 has at its central section 41 d two through openings 44, 45, which lie opposite one another in the axial direction A, and which each leave one surface area 34, 35 of the first pipe section 31 (see FIG. 3), the feet 13, 14 each engage in an assigned through opening 44, 45 and thereby on one each
- the third fastening area 413 of the first bracket element 41 is connected to an adjacent edge of the web 10 located further out in the radial direction R via a welded connection S, as is shown in particular in FIG. 5. Furthermore, the fourth fastening area 414 with an opposite edge of the web 10 located further outward in the radial direction R is over a
- Bracket elements 41 are connected.
- the first bracket elements 41 are included welded on the one hand via their end sections 41 c, 41 e to the web 10 lying further inward in the radial direction R and on the other hand via the third and fourth
- the third and fourth fastening areas 413, 414 are also formed in accordance with detail D of FIGS. 3 and 4. That is, the third or fourth fastening area 413, 414 closes a recess 401 or a cavity 401 on the inside 41 a, 41 b of the middle section 41 d together with the respective first
- the welded connections S between the bracket elements 41, 42, 43 and the webs 10 can be made successively when the tubes 30 are wound onto the core tube 300.
- the pipe sections 31, 32, 33 of a pipe layer 4 come to rest on the respective web 10 and are gradually connected to the respective web 10 in the manner described above via the bracket elements 41, 42, 43. If the current tube layer 4 is completed, webs 10 are placed over the bracket elements 41,
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018006007 | 2018-07-28 | ||
| PCT/EP2019/025243 WO2020025167A1 (de) | 2018-07-28 | 2019-07-23 | Abstützung von rohren gewickelter wärmeübertrager |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3830510A1 true EP3830510A1 (de) | 2021-06-09 |
| EP3830510B1 EP3830510B1 (de) | 2023-05-24 |
Family
ID=67470379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19745563.7A Active EP3830510B1 (de) | 2018-07-28 | 2019-07-23 | Abstützung von rohren gewickelter wärmeübertrager |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US11536519B2 (de) |
| EP (1) | EP3830510B1 (de) |
| WO (1) | WO2020025167A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20250108429A1 (en) * | 2023-09-29 | 2025-04-03 | Air Products And Chemicals, Inc. | Coil Wound Heat Exchanger Deformable Support System And Method |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3083447A (en) | 1957-11-07 | 1963-04-02 | Union Carbide Corp | Method of assembling a bundle of coils in a heat exchange device |
| US3700030A (en) | 1969-11-13 | 1972-10-24 | Air Liquide | Heat exchanger support structure |
| DE2613745A1 (de) * | 1976-03-31 | 1977-10-06 | Linde Ag | Waermetauscher |
| CH613138A5 (de) * | 1976-09-06 | 1979-09-14 | Sulzer Ag | |
| US4447942A (en) * | 1980-10-01 | 1984-05-15 | The Babcock & Wilcox Company | Helical steam generator tube support |
| US7028765B2 (en) * | 2003-11-25 | 2006-04-18 | Trico Non-Ferrous Metal Products, Inc. | Heat exchanger tube support |
| GB2463482B (en) * | 2008-09-12 | 2012-05-02 | Tanjung Citech Uk Ltd | A heat exchange unit |
| US20100096115A1 (en) * | 2008-10-07 | 2010-04-22 | Donald Charles Erickson | Multiple concentric cylindrical co-coiled heat exchanger |
| GB201319284D0 (en) * | 2013-10-31 | 2013-12-18 | Heat Recovery Solutions Ltd | Heat exchange array |
| CN107504840A (zh) * | 2017-09-18 | 2017-12-22 | 湖北迪峰船舶技术有限公司 | 一种船用lng高压绕管式换热器 |
-
2019
- 2019-07-23 WO PCT/EP2019/025243 patent/WO2020025167A1/de not_active Ceased
- 2019-07-23 EP EP19745563.7A patent/EP3830510B1/de active Active
- 2019-07-23 US US17/263,004 patent/US11536519B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20210310753A1 (en) | 2021-10-07 |
| US11536519B2 (en) | 2022-12-27 |
| WO2020025167A1 (de) | 2020-02-06 |
| EP3830510B1 (de) | 2023-05-24 |
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