WO2013164083A1 - Heat exchanger comprising a supply channel - Google Patents
Heat exchanger comprising a supply channel Download PDFInfo
- Publication number
- WO2013164083A1 WO2013164083A1 PCT/EP2013/001280 EP2013001280W WO2013164083A1 WO 2013164083 A1 WO2013164083 A1 WO 2013164083A1 EP 2013001280 W EP2013001280 W EP 2013001280W WO 2013164083 A1 WO2013164083 A1 WO 2013164083A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat exchanger
- channel
- medium
- shell
- sheath
- Prior art date
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
- F28F9/02—Header boxes; End plates
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/0265—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box
-
- 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
-
- 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
-
- 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
- F28F9/0202—Header boxes having their inner space divided by partitions
-
- 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
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/028—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using inserts for modifying the pattern of flow inside the header box, e.g. by using flow restrictors or permeable bodies or blocks with channels
-
- 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
- F28F2009/0285—Other particular headers or end plates
Definitions
- the present invention relates to a heat exchanger for a motor vehicle according to the features in the preamble of claim 1.
- a shell-and-tube heat exchanger in which a medium is introduced at one end, strikes a tube sheet and collects on the tube sheet and then through the tube sheet
- CONFIRMATION COPY Heat exchanger tubes is performed.
- a second medium is then introduced on the outside of a shell of the heat exchanger, which flows through the heat exchanger and leaves the heat exchanger again at an exit side opposite the inlet of the second medium.
- the disadvantage here is that, in particular, the tube plate is exposed at least locally the high temperatures of the flowing exhaust gas in the case of using such a tube bundle heat exchanger as exhaust gas heat exchanger.
- Object of the present invention is therefore to provide a heat exchanger for a motor vehicle, which has at least constant cooling performance better resistance of the inner component components against high temperatures of zuêtden by media.
- the heat exchanger according to the invention for a motor vehicle wherein the heat exchanger has an outer shell and in the outer shell heat exchanger tubes are arranged and in the shell end face a first medium is discharged and a second medium via the side surface of the shell can be fed, characterized in that the shell on the outside at least partially circumferential a channel is formed, wherein the second medium can be guided by a supply line in the circumferential channel and passes through openings in the shell of the channel in the interior of the shell.
- an end plate or perforated plate also known as tube sheet, which is penetrated by heat exchanger tubes, is better cooled.
- a first medium in the heat exchanger is fed to the front side and discharged on the opposite end side again. It will the first medium passed through the heat exchanger tubes.
- a second medium is introduced into the heat exchanger from one side of the shell according to the countercurrent principle or else a crossflow principle or a direct current principle.
- the second medium is directed not only from one side at a point or from one side through the shell of the heat exchanger laterally on the located in the shell of the heat exchange heat exchanger tubes, but first via a supply line in the direction of the shell, especially is preferably guided in the direction of one end of the shell.
- radially at least partially encircling, in particular completely encircling a channel is formed, in which the second medium initially flows and thereby distributed around the shell.
- the second medium which has been distributed in the channel, can pass through the openings in the interior of the envelope.
- the second medium not only hits the heat exchanger tubes on one side or at a point, but ideally penetrates into the shell of the heat exchanger on all sides from the outside of the shell, in particular simultaneously and / or at approximately the same temperature, in particular flow temperature.
- the tube bottom is thus initially flowed around at the same time in a arranged in the region of the end of the shell channel of the second medium, wherein the second medium is in particular a cooling medium, most preferably a cooling water, is.
- the first medium which is introduced into the front side of the heat exchanger and thus also hits the tubesheet, ensures a strong heating of the tubesheet.
- an exhaust gas is passed through the heat exchanger, which may have exhaust gas temperatures of more than 600 ° C, at times even more than 800 ° C. Due to the approximately homogeneous cooling of the tube plate with the second medium excessive heating of the tube bottom is avoided and at the same time, since such a heat exchanger often thermally joined, in particular soldered, avoided a one-sided delay due to different thermal expansions. This increases the longevity and tightness of the heat exchanger, which are not resorted to by the better cooled tube bottom on costly and temperature-resistant materials got to. Thus, it is possible to produce the heat exchanger with improved cooling performance significantly cheaper.
- the shell of the heat exchanger is an outer cassette or an outer circumferential surface.
- This can in turn itself in cross section, for example, round, oval or even angular, in particular square, most preferably rectangular or square, be formed.
- the casing itself is preferably overlapped on the outside by a flange, wherein the flange can be designed as a pipe component or else as a fitting or an angle piece, and the flange in particular has a feed line or discharge line for the first medium.
- the radially encircling channel according to the invention is formed by a radially outwardly oriented form of the flange, the outwardly oriented shape being in particular designed as a bulge oriented radially outward.
- a cavity is formed between an inner side of the curvature and an outer lateral surface of the casing itself.
- the feed line for the second medium is in turn connected to the channel on the flange.
- connection piece is formed in the region of the curvature and / or a recess is formed, which forms the supply line for the channel according to the invention.
- the second medium in particular a cooling medium, very particularly preferably cooling water, is then conducted into the channel and distributed radially on the outside around the envelope. The medium then enters through openings in the shell in the interior of the heat exchanger or in the interior of the shell.
- the openings themselves are formed by spaced-apart holes, wherein the holes are formed in the shell circumferentially in the region of the channel. It is possible within the scope of the invention, for example, to place the holes at equal distances from one another radially to one another in the casing. In this case, it is conceivable, for example, for the holes initially to have larger distances from one another in the region of the feed line, the distances of the holes from each other then being reduced with increasing distance in the flow direction of the channel from the feed line.
- the holes have mutually different opening cross-sections, wherein the opening cross-sections are increasingly formed in the flow direction of the channel in particular from spaced apart openings coming from the supply line ago. Consequently, the openings in the region of the feed line have a smaller opening cross-section than the openings in the flow direction away from the feed line. The size of the opening cross-section of each opening thus increases in the flow direction of the channel.
- the second medium to have a higher pressure and / or a higher flow velocity in the region of the feed line, the pressure and / or the flow velocity decreasing in the flow direction of the channel, so that sufficient medium is introduced from the channel into the interior of the channel To carry hull, so that radially surrounding a homogeneous inflow into the shell results.
- the cross-sectional area of the channel is variable, in particular the cross-sectional area of the supply line decreases in the flow direction of the channel.
- the decreasing cross-sectional area in turn counteracts the pressure of the second medium which decreases in the flow direction of the channel and / or the decreasing flow velocity of the second medium.
- the baffle in the invention in the flow direction of the first fluid to the openings in the shell following a baffle disposed in the shell, wherein the baffle is penetrated by the heat exchanger tubes and preferably has a central recess for passing the second medium in the longitudinal direction of the shell.
- the baffle itself is first ensured that the second medium, hence the cooling liquid, does not flow directly into the interior of the shell after entry into the shell directly both in the radial and in the axial direction and thus the face plate or the pipe collar only insufficient cooling.
- the second medium in particular also cools the front plate and the heat exchanger tubes at their inflow region of the first medium.
- the second medium also flows in the axial direction, in particular through a centrally arranged in the baffle opening or recess in the interior of the shell.
- a front plate is arranged upstream of the openings in the shell in the direction of flow of the first fluid, wherein the end plate is penetrated by the heat exchanger tubes for the passage of the first medium.
- the face plate is, in particular, a pipe collar or tube sheet.
- the heat exchanger in particular between the flange and the shell, very particularly preferably between the outside of the shell and the inside of the flange, at least one cohesive connection, in particular a solder connection, most preferably one Braze joint, made.
- a cohesive connection in particular a solder connection, most preferably one Braze joint
- the shell, but also the flange of a metallic material for example of a steel material, but preferably also of a light metal material, can be produced.
- the soldering process itself gives high degrees of freedom in the joining, since even substantially non-weldable, but solderable materials can be joined together in a material-locking and thus fluid-tight manner.
- the channel is formed by two mutually spaced, circumferential contact surfaces between the flange and the outer side of the shell, wherein the contact surfaces are in particular fluid-tightly thermally joined together.
- FIG. 1a and b show a heat exchanger according to the invention in a perspective view and a partial sectional view
- FIG. 2 shows the functional principle of the production of the circumferential channel in a detailed sectional view
- FIG. 3 shows a heat exchanger according to the invention in a sectional view
- Figure 4 shows an inventive end plate
- Figure 5 shows the end of a casing according to the invention.
- Figure 1 a shows the heat exchanger 1 according to the invention in a perspective view, comprising a shell 2 and a flange 3, which is pushed onto the cover 2 at the end.
- the flange 3 has an exhaust pipe 4 for supplying a flowing exhaust gas A and a supply line 5 for supplying a second medium 6.
- the second medium 6 passes through the feed line 5 itself in an externally circumscribed channel 7, which is formed by an outwardly directed curvature 8 on the flange 3 itself.
- FIG. 1b shows the heat exchanger 1 in a perspective partial sectional view.
- Figure 2 shows the outer circumferential channel 7 according to the invention in a detail sectional view.
- the outwardly oriented curvature 8 on the flange 3 forms between the shell 2 and flange 3, the outside circumferential channel 7.
- the second medium 6 flows outside the shell 2 and then enters via openings 9 in the shell 2 itself in the interior I of the shell 2 a.
- the medium is then sealed off from the inflow side 10 of the exhaust gas A by a front plate 11.
- FIG. 3 shows the further course through the heat exchanger 1 according to the invention both of the flowing exhaust gas A and the second medium 6.
- the second medium 6 collects on the outside circumferential channel 7 initially outside the shell 2 and then flows into the interior of the I Case 2 first in a collection chamber 12 a.
- the collection chamber 12 is bordered by the front plate 11, wherein the end plate 11 of heat exchanger tubes
- the collection chamber 12 is also still sealed off in the flow direction of a baffle 14, wherein the heat exchanger tubes 13 pass through the baffle 14.
- the baffle 14 itself has in particular a central recess 15, through which the second medium 6 from the collection chamber 12 can then flow into the interior I of the shell 2.
- FIG. 4 shows the guide plate 14 in an end view, with the individual heat exchanger tubes 13 or openings for the heat exchanger tubes 13 being clearly visible, as well as the central recess 15.
- FIG. 5 shows a perspective view of a casing 2 according to the invention, wherein no flange 3 is pushed onto the casing 2. At the end of the shell 2 are clearly visible, radially encircling, at a distance a to each other, the individual openings 9 for the inflow of the second fluid into the collection chamber shown.
- the baffle 14 is further arranged in the shell 2.
- a medium can thus flow through the openings 9 in the collection chamber 12 and from there through the recess 15 into the interior I.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13721908.5A EP2844943A1 (en) | 2012-05-01 | 2013-04-30 | Heat exchanger comprising a supply channel |
KR1020147033500A KR20150006031A (en) | 2012-05-01 | 2013-04-30 | Heat exchanger comprising a supply channel |
JP2015509329A JP6010217B2 (en) | 2012-05-01 | 2013-04-30 | Heat exchanger with supply channel |
BR112014027282A BR112014027282A2 (en) | 2012-05-01 | 2013-04-30 | heat exchanger with feed channel |
CA2871787A CA2871787A1 (en) | 2012-05-01 | 2013-04-30 | Heat exchanger comprising a supply channel |
US14/398,322 US20150129182A1 (en) | 2012-05-01 | 2013-04-30 | Heat exchanger comprising a supply channel |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261641125P | 2012-05-01 | 2012-05-01 | |
US61/641,125 | 2012-05-01 | ||
DE102013100885.2A DE102013100885B4 (en) | 2013-01-29 | 2013-01-29 | Heat exchangers for a motor vehicle |
DE102013100885.2 | 2013-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013164083A1 true WO2013164083A1 (en) | 2013-11-07 |
Family
ID=49514210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2013/001280 WO2013164083A1 (en) | 2012-05-01 | 2013-04-30 | Heat exchanger comprising a supply channel |
Country Status (8)
Country | Link |
---|---|
US (1) | US20150129182A1 (en) |
EP (1) | EP2844943A1 (en) |
JP (1) | JP6010217B2 (en) |
KR (1) | KR20150006031A (en) |
BR (1) | BR112014027282A2 (en) |
CA (1) | CA2871787A1 (en) |
DE (1) | DE102013100885B4 (en) |
WO (1) | WO2013164083A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015121148A1 (en) * | 2014-02-11 | 2015-08-20 | MAHLE Behr GmbH & Co. KG | Exhaust gas heat exchanger |
EP3037767A1 (en) * | 2014-12-22 | 2016-06-29 | MAHLE International GmbH | Heat exchanger |
DE102015103269A1 (en) * | 2015-03-06 | 2016-09-08 | Bomat Heiztechnik Gmbh | End cap for a heat exchanger |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6505976B2 (en) * | 2014-03-28 | 2019-04-24 | 日野自動車株式会社 | EGR cooler |
JP7043484B2 (en) * | 2016-07-19 | 2022-03-29 | ルマス テクノロジー インコーポレイテッド | Feed Efluent Heat Exchanger |
ES2883260T3 (en) * | 2016-12-20 | 2021-12-07 | Tokyo Roki Kk | Heat exchange device |
GB2565145B (en) * | 2017-08-04 | 2021-06-30 | Hieta Tech Limited | Heat exchanger |
US11365942B2 (en) * | 2018-03-16 | 2022-06-21 | Hamilton Sundstrand Corporation | Integral heat exchanger mounts |
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DE1601162A1 (en) * | 1967-09-06 | 1970-10-29 | Basf Ag | Tube bundle heat exchanger for the execution of endothermic and exothermic reactions with forced circulation |
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WO2004052524A1 (en) * | 2002-12-12 | 2004-06-24 | Man Dwe Gmbh | Shell-and-tube type reactor for catalytic gas phase reactions |
EP1681091A2 (en) * | 2005-01-14 | 2006-07-19 | MAN DWE GmbH | Reactor with tube bundle for carrying out exothermal or endothermal reactions |
US20110198063A1 (en) * | 2010-02-15 | 2011-08-18 | Polytetra Gmbh | Tubular heat exchanger, and method of producing a tubular heat exchanger |
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2013
- 2013-01-29 DE DE102013100885.2A patent/DE102013100885B4/en not_active Expired - Fee Related
- 2013-04-30 US US14/398,322 patent/US20150129182A1/en not_active Abandoned
- 2013-04-30 KR KR1020147033500A patent/KR20150006031A/en not_active Application Discontinuation
- 2013-04-30 EP EP13721908.5A patent/EP2844943A1/en not_active Withdrawn
- 2013-04-30 WO PCT/EP2013/001280 patent/WO2013164083A1/en active Application Filing
- 2013-04-30 BR BR112014027282A patent/BR112014027282A2/en not_active IP Right Cessation
- 2013-04-30 CA CA2871787A patent/CA2871787A1/en not_active Abandoned
- 2013-04-30 JP JP2015509329A patent/JP6010217B2/en not_active Expired - Fee Related
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Publication number | Priority date | Publication date | Assignee | Title |
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DE1601162A1 (en) * | 1967-09-06 | 1970-10-29 | Basf Ag | Tube bundle heat exchanger for the execution of endothermic and exothermic reactions with forced circulation |
US3630274A (en) * | 1968-05-30 | 1971-12-28 | Tno | Heat exchanger provided with a thermal barrier |
DE4343405A1 (en) | 1993-12-18 | 1995-06-22 | Friedrich Ambs Gmbh & Co Kg Ap | Heat exchange tube for tube cluster heat exchanger |
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WO2004052524A1 (en) * | 2002-12-12 | 2004-06-24 | Man Dwe Gmbh | Shell-and-tube type reactor for catalytic gas phase reactions |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015121148A1 (en) * | 2014-02-11 | 2015-08-20 | MAHLE Behr GmbH & Co. KG | Exhaust gas heat exchanger |
EP3037767A1 (en) * | 2014-12-22 | 2016-06-29 | MAHLE International GmbH | Heat exchanger |
DE102015103269A1 (en) * | 2015-03-06 | 2016-09-08 | Bomat Heiztechnik Gmbh | End cap for a heat exchanger |
Also Published As
Publication number | Publication date |
---|---|
KR20150006031A (en) | 2015-01-15 |
EP2844943A1 (en) | 2015-03-11 |
BR112014027282A2 (en) | 2017-06-27 |
JP6010217B2 (en) | 2016-10-19 |
DE102013100885B4 (en) | 2020-02-27 |
JP2015518559A (en) | 2015-07-02 |
CA2871787A1 (en) | 2013-11-07 |
DE102013100885A1 (en) | 2014-07-31 |
US20150129182A1 (en) | 2015-05-14 |
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