EP2954275A1 - Wärmetauscher - Google Patents
WärmetauscherInfo
- Publication number
- EP2954275A1 EP2954275A1 EP14702634.8A EP14702634A EP2954275A1 EP 2954275 A1 EP2954275 A1 EP 2954275A1 EP 14702634 A EP14702634 A EP 14702634A EP 2954275 A1 EP2954275 A1 EP 2954275A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- tubes
- fluid
- housing
- exchanger according
- 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
- 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
- F28D7/16—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 arranged in parallel spaced relation
- F28D7/163—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 arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
- F28D7/1653—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 arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing the conduit assemblies having a square or rectangular shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/36—Adaptations of ventilation, e.g. schnorkels, cooling, heating, or air-conditioning
-
- 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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/0206—Heat exchangers immersed in a large body of liquid
- F28D1/022—Heat exchangers immersed in a large body of liquid for immersion in a natural body of water, e.g. marine radiators
-
- 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
- F28D7/0041—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 for only one medium being tubes having parts touching each other or tubes assembled in panel form
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/04—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular
- F28F1/045—Tubular elements of cross-section which is non-circular polygonal, e.g. rectangular with assemblies of stacked elements
-
- 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
- F28F9/02—Header boxes; End plates
- F28F9/0229—Double end plates; Single end plates with hollow spaces
-
- 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
- F28F2275/14—Fastening; Joining by using form fitting connection, e.g. with tongue and groove
Definitions
- the invention relates to a heat exchanger having the features specified in the preamble of claim 1.
- seawater is usually used, which is passed from outside the submarine through the Druckêtdung to a heat exchanger, flows through this for heat exchange with the medium to be cooled and then led out of the submarine again.
- the present invention seeks to provide a heat exchanger for heat exchange of a fluid with seawater for a submarine, which is compact and in the invention allows for easy maintenance and cleaning light.
- the heat exchanger according to the invention for heat exchange of a fluid with seawater for a submarine has a housing in which a plurality of tubes is arranged. These tubes are intended to flow through with a liquid cooling medium and, for this purpose, are fluid-conductively connected at one end to a liquid inlet and at the other end to a liquid outlet.
- the seawater surrounding the submarine is used as the cooling medium.
- the liquid inlet for connection of the heat exchanger may be provided to a submarine-side sea water pipe, which opens at the outside of the pressure hull of the submarine.
- the liquid outlet is in this case usefully connected to a second submarine-side seawater pipe, through which the seawater is discharged again from the submarine.
- the heat exchanger is typically constructed so as to be resistant to the effects of a pressure to quench, that is to say the components of the heat exchanger according to the invention which are pressurized by the seawater are dimensioned and configured such that they withstand the external pressure acting on the submarine during dive travel. Moreover, when seawater is used as the cooling medium, these components are typically formed of a seawater resistant material.
- the basic idea of the invention is to arrange the pipes provided for the flow through with the cooling medium and expediently straight in such a way that adjacent pipes form closed flow-through channels for the fluid to be cooled.
- At least three directly juxtaposed tubes are arranged so that each of these tubes contacted its two adjacent tubes over its entire length, so that between these at least three tubes a flow channel is formed, in a plane transverse to the longitudinal formation of the tubes completely from the pipe walls of these tubes, which form the heat exchange surfaces of the heat exchanger according to the invention, is jacketed.
- the flow channels formed between the tubes are fluid-conductively connected at one end to a fluid inlet and at the other end to a fluid outlet of the heat exchanger.
- the fluid inlet and the fluid outlet in such a way that the throughflow in the flow-through channels coincides with the flow-through direction in the tubes, or the fluid inlet and the fluid outlet can be arranged in such a way that the flow-through channels are flowed through in countercurrent to the tubes, So the flow direction in the flow channels opposite to the flow direction in the tubes.
- the heat exchanger according to the invention Due to the high arrangement density of the tubes in the plane transverse to their longitudinal extent, the heat exchanger according to the invention has a slender, compact construction, which is particularly advantageous when using the heat exchanger in a submarine.
- results from the arrangement of the tubes a very large heat exchange surface based on the guided through the flow channels to be cooled fluid flow and, accordingly, a relatively high efficiency of the heat exchanger according to the invention.
- the tubes have a polygonal outer cross section. D. h.,
- the outer contour of the tubes is formed angular.
- the inner cross section of the tubes expediently corresponds with the outer cross section.
- the inner cross section of the tubes is preferably formed polygonal according to its outer cross section. The nature of the polygonal outer cross section of the tubes is arbitrary within wide limits, as long as the shape of the outer cross section ensures a honeycomb-like arrangement of the tubes with circumferentially closed flow channels formed therebetween.
- the tubes are designed as square tubes with a preferably square external cross-section.
- the tubes are connected in this case at their longitudinal edges, so that in plan view of the plane transverse to the longitudinal extent of the tubes results in an arrangement in which the tubes and the interposed fürströmkanäle, which then also have a square cross-section, checkerboard, so in the manner of a checkerboard pattern, alternate.
- the tubes are preferably arranged in a housing with a square cross-section.
- the tubes are advantageously detachably connected to one another.
- a connection of adjacent pipes is advantageously provided by means of plug connections.
- the tubes can advantageously have recesses in which a projection formed on another tube engages in order to form a positive cohesion of these two tubes.
- the tubes are designed as square tubes, wherein the square tubes each have a recess at two opposite longitudinal edges and at the other two longitudinal edges each have a projection corresponding to the recesses.
- a groove preferably extending over the entire length of the edge is formed on two longitudinal edges of the square tubes and on the other two longitudinal edges of the square tubes a preferably over the entire length of the edge extending, outwardly projecting projection is formed.
- a square tube is arranged so that one of the projections formed on it engages in a recess of another square tube.
- the tubes each have at their two ends a receptacle for a pipe extension.
- the tube extensions are advantageous solvable, z. B. connected by means of connectors with the pipes.
- the receptacles may expediently be formed by extensions of the flow channel running through the tube at the two ends of the tube, into each of which a tube piece can be inserted as a raw extension.
- the pipe extensions serve to connect the pipes to the liquid inlet and to the liquid outlet of the heat exchanger.
- the tube extensions are designed such that adjacent tube extensions in the housing parts adjoining the housing of the heat exchanger do not form closed flow channels for the fluid to be cooled, so that the tube extensions in the housing parts are freely flooded by the fluid to be cooled.
- an outlet for the fluid is preferably formed on one of the housing parts in a region between the housing and the tube bottom formed thereon.
- the heat exchanger according to the invention is particularly suitable for use in a submarine and in particular for use in a central cooling circuit for cooling heat-generating devices in a submarine.
- the invention also relates to a submarine, which has a central fresh water flowing through as a cooling medium cooling circuit, wherein the cooling circuit has at least one heat exchanger having the features described above.
- a heat exchanger is arranged, in which the fresh water circulating through the cooling circuit is passed through the formed between the pipes flow channels of the heat exchanger, where it flows from the tubes of the heat exchanger flowing through the cooling medium, which is preferably seawater is traded, cooled.
- FIG. 2 shows the heat exchanger of FIG. 1 in a reduced perspective exploded view
- FIG. 3 shows a tube of the heat exchanger according to Fig. 1 in an enlarged side view
- FIG. 4 shows the tube of FIG. 3 in a front view
- Fig. 5 shows the tube of FIG. 3 in a longitudinal section
- Fig. 6 is a schematic diagram of the arrangement of several tubes in the
- the heat exchanger shown in Figures 1 and 2 has a housing 2.
- This housing 2 is essentially rectangular, with its front sides spaced apart from one another in the longitudinal direction of the housing 2 being open.
- a respective flange 4 and 6 is formed on these, which extends, starting from the lateral surface of the housing 2 transversely to its longitudinal extent to the outside.
- a housing part 8 is fixed in each case.
- the internal cross-section of the housing parts 8 corresponds to the rectangular outer cross-section of the housing 2 in an area outside the flanges 4 and 6.
- An open end of the housing parts 8 facing away from the flange 10 is in each case closed by a plate 12 which is screwed to a flange 14 formed on the housing part 8.
- a plate 12 which is screwed to a flange 14 formed on the housing part 8.
- a respective central opening is formed, wherein the opening on the plate 12, which is arranged on the right in Figures 1 and 2 housing part 8, a liquid inlet 16 and the opening on the plate 12, to the in the Figures 1 and 2 left housing part 8 is arranged, forms a liquid outlet 18 of the heat exchanger.
- Seawater which is used in the heat exchanger as a cooling medium, is introduced into the heat exchanger via the liquid inlet 16 and discharged back out of the heat exchanger via the liquid outlet 18.
- a pipe stub is arranged in each case on two mutually opposite lateral surfaces of the two housing parts 8, which leads into the interior of the housing part 8.
- the pipe sockets arranged on the housing part 8 arranged on the left in FIGS. 1 and 2 form fluid inlets 20 for a fluid to be cooled in the heat exchanger, while the pipe sockets arranged on the housing part 8 arranged on the right in FIGS. 1 and 2 comprise fluid outlet outlets 22 form for this fluid.
- a plurality of tubes 24 is arranged, which extend in the longitudinal direction of the housing 2 and whose length corresponds substantially to the length of the housing 2.
- the tubes 24 are formed as square tubes and have a substantially square outer cross-section.
- a flow channel 26 formed in the tubes 24 also has a square cross-section.
- the longitudinal edges of the tubes 24 are formed chamfered, wherein two mutually directly opposite chamfers are provided with two extending in the longitudinal direction of the chamfer punctures 28, whereby between the recesses 28, a projection 30 is formed.
- the tubes 24 are arranged in the housing 2 such that they contact each other at their longitudinal edges, wherein a projection 30 of a first tube 24 in a recess 32 of a second tube 24 engages to form a plug connection ,
- four tubes 24 in this way completely grasp a free space with a square cross-section formed therebetween. These spaces form closed flow channels 34 for the fluid to be cooled.
- the tubes 24 have a substantially square inner cross section, wherein at each of the two ends of the tubes 24, a cylindrical tube extension is formed. These tube expansions form receptacles 36 for cylindrically shaped tube extensions 38, which engage in the receptacles 36 (FIGS. 5 and 6).
- a tube plate 40 is formed which divides the interior of the housing parts 8 into two chambers 42 and 44.
- the tubesheets 40 each have a plurality of openings 46. In these openings 46 which remote from the tubes 24 ends of the tube extensions 38 engage.
- a closed flow path for the seawater which is used as a cooling medium, is formed in the heat exchanger, which differs from the liquid inlet 16 formed on the housing part 8 shown on the right in FIG. 1 via the chamber 42, the tube extensions. gene 38, the tubes 24 extends to the housing part 8 shown on the left in Fig. 1, where it opens at the adjoining the chamber 42 fluid outlet 18.
- a closed flow path through the heat exchanger is formed for the fluid to be cooled.
- the fluid inlets 20, which open into the chamber 44 of the housing part 8 from the housing part 8 shown on the left in FIGS Tubes 24 formed flow channels 34 extends to the chamber 44 of the other housing part 8 and opens at the fluid outlets 22 arranged there.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Ocean & Marine Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201310201925 DE102013201925A1 (de) | 2013-02-06 | 2013-02-06 | Wärmetauscher |
| PCT/EP2014/052251 WO2014122174A1 (de) | 2013-02-06 | 2014-02-05 | Wärmetauscher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2954275A1 true EP2954275A1 (de) | 2015-12-16 |
| EP2954275B1 EP2954275B1 (de) | 2018-10-10 |
Family
ID=50033588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14702634.8A Active EP2954275B1 (de) | 2013-02-06 | 2014-02-05 | Wärmetauscher |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2954275B1 (de) |
| DE (1) | DE102013201925A1 (de) |
| ES (1) | ES2702324T3 (de) |
| WO (1) | WO2014122174A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256494B (zh) * | 2018-11-30 | 2022-07-15 | 比亚迪股份有限公司 | 换热器、车辆的热管理系统和车辆 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2577120A (en) * | 1946-04-06 | 1951-12-04 | Western Electric Co | Honeycomb structure |
| DE835612C (de) * | 1950-11-21 | 1952-04-03 | Metallgesellschaft Ag | Waermeaustauscher mit Laengsrippenrohren |
| FR1506321A (fr) * | 1966-05-06 | 1967-12-22 | Fives Penhoet | Structure d'extrémité d'échangeur de chaleur tubulaire, échangeur de chaleur en comportant application et procédé de fabrication de ladite structure |
| US4338993A (en) * | 1980-02-22 | 1982-07-13 | R. W. Fernstrum & Co. | Underwater outboard marine heat exchanger |
| DE3830800C1 (en) * | 1988-09-09 | 1990-04-19 | Proizvodstvennoe Ob"Edinenie "Nevskij Zavod" Imeni V.I. Lenina, Leningrad, Su | Heat exchanger |
| DE3908573A1 (de) * | 1989-03-16 | 1990-09-20 | Laukien Guenther | Verfahren zum betreiben getauchter unterseeboote und unterseeboot |
| DE19635552C1 (de) | 1996-09-02 | 1998-03-12 | Slg Pruef Und Zertifizierungs | Wärmetauscher |
| NO321805B1 (no) | 2001-10-19 | 2006-07-03 | Norsk Hydro As | Fremgangsmate og anordning for a lede to gasser inn og ut av kanalene i en flerkanals monolittenhet. |
| EP2015017A1 (de) * | 2007-07-12 | 2009-01-14 | Hexion Specialty Chemicals Research Belgium S.A. | Wärmetauscher |
-
2013
- 2013-02-06 DE DE201310201925 patent/DE102013201925A1/de not_active Ceased
-
2014
- 2014-02-05 ES ES14702634T patent/ES2702324T3/es active Active
- 2014-02-05 WO PCT/EP2014/052251 patent/WO2014122174A1/de not_active Ceased
- 2014-02-05 EP EP14702634.8A patent/EP2954275B1/de active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2014122174A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014122174A1 (de) | 2014-08-14 |
| EP2954275B1 (de) | 2018-10-10 |
| DE102013201925A1 (de) | 2014-08-21 |
| ES2702324T3 (es) | 2019-02-28 |
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