WO1996010158A1 - Echangeur thermique - Google Patents

Echangeur thermique Download PDF

Info

Publication number
WO1996010158A1
WO1996010158A1 PCT/SE1994/000890 SE9400890W WO9610158A1 WO 1996010158 A1 WO1996010158 A1 WO 1996010158A1 SE 9400890 W SE9400890 W SE 9400890W WO 9610158 A1 WO9610158 A1 WO 9610158A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
heat exchanger
fluid
heat exchanging
exchanging means
Prior art date
Application number
PCT/SE1994/000890
Other languages
English (en)
Inventor
Stellan Grunditz
Original Assignee
Stellan Grunditz
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Stellan Grunditz filed Critical Stellan Grunditz
Priority to AU10363/95A priority Critical patent/AU1036395A/en
Priority to PCT/SE1994/000890 priority patent/WO1996010158A1/fr
Publication of WO1996010158A1 publication Critical patent/WO1996010158A1/fr

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
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0006—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the plate-like or laminated conduits being enclosed within a pressure vessel
    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2230/00—Sealing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2240/00—Spacing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/10—Particular pattern of flow of the heat exchange media
    • F28F2250/102—Particular pattern of flow of the heat exchange media with change of flow direction

Definitions

  • the present invention relates to a heat exchanger for fluids, such as liquids, steam, etc. comprizing a closed container provided with an inlet and an outlet for one fluid and heat exchanging means for the other fluid provided in the container, with the means in connection with closed inlet and outlet sections separated from the interior of the container.
  • fluids such as liquids, steam, etc.
  • heat exchanging means are provided in the container in such a way as to being sealingly in ⁇ serted at their ends into the container ends, these being equipped with an inlet and an outlet respectively for the fluid passing through the heat exchanging means.
  • the heat exchanging means are complicated and expensive in production and in installation as the fastening of the heat exchanging means has to be made in accordance with their expansion and contraction in relation to the container.
  • special at ⁇ taching devices and seals are required for the heat exchanging means.
  • the main object of the present invention is to provide a heat exchanger of the type mentioned in the beginning with the heat exchanging means having such a design as to simplify their production as well as to guarantee an effective fluid passage through the heat exchanging means.
  • Another object is to provide such a heat exchanger with a simple and effective connection of the heat exchanging means with the inlet and outlet sections.
  • the heat exchanger shown in the embodiments according to figures 1 and 2 comprises an e.g. cylindrical container 10 with its ends provided with curved end sections 12 and 14.
  • An inlet 16 is provided at the container enve ⁇ lope surface for a first fluid to be heat exchanged, an outlet 18 for said fluid being provided at the end section 12 at the lower container portion.
  • At the upper portion of the container 10 there is at the joint between the container 10 and the end section 14 provided a partition wall 20 extending all over the container surface and separating the inside of the end section 14 from the in ⁇ side of the container 10.
  • heat exchanging means 22 are fixed protruding down into the container along generally the whole container length.
  • the means 22 are preferably plane with a width running generally between the wall sides of the container 10. For an adaptation to the cylindri ⁇ cal container the width is different for the various heat exchanging means.
  • the number of means 22 is three, the number possibly also variating in relation to the container size and the desired heat exchanger surface.
  • the heat exchanging means 22 consist in the shown embodiment of two outer plates 24 provided on each side of and with distance to an interme ⁇ diate plate 26.
  • the outer plate is provided with indentations or protrusions 28 resting on the intermediate plate 26 and preferably fixed to it according to the following detailed description.
  • the outer plates 24 are provided with a sealing lock 30 at one end, on which the intermediate plate 26 is ending shortly before the lock 30 to achieve a connection or a transition between two two spaces or channels existing between the outer plate 24 and the intermediate plate 26 respectively.
  • the other heat exchanger fluid can be sup ⁇ plied to the heat exchanging means on that side of the partition wall, where a supply 36 is connected to the end section 14 and is disposed on the other side of the partition wall 32, where an outlet 38 is provided in the end section as indicated in the figures by means of arrows.
  • a modified embodiment of the heat exchanger is shown with an inlet 16a and an outlet 8a provided on the same level in the container 10a, but on diametrically opposite sides of the container.
  • guiding plates 40 are provided emanating from the container bottom between the heat ex ⁇ changing means 22a.
  • the design is the same as for the embo ⁇ diments according to figures 1 to 4.
  • FIG 6 illustrates in a side view an outside plate 24 with spacer projections 28.
  • Figure 8 shows, how the outside plates 24 are welded to the intermediate plate 26 at points, where the outer plate projections 28 are res ⁇ ting on the intermediate plate 26.
  • FIG 9 a modified embodiment of the heat exchanging means 22b is shown with the intermediate plate replaced by two plates 42 provided with intermediate space from each other and are at the heat exchanging means lower end connected, e.g. by means of welding, at 44 at some distance from the means end.
  • the heat exchanging means both channels are formed by an outside plate 24b and a plate 42, respectively.
  • the space provided bet ⁇ ween the plates 42 in the heat exchanging means centre the fluid prevailing in the container (not shown) is running in heat exchanging contact via the walls 42 with the fluid in the heat exchanging means 22b.
  • the heat exchanger illustrated in the figures is operating as follows:
  • the first fluid to be heat exchanged is fed via inlet 16 into the container inte ⁇ rior and passes along the heat exchanging means 22 outside to the outlet 18, where it leaves the container.
  • the other fluid to be heat exchanged is fed via inlet 35 to the interior of the end section 14 on one side of the partition wall 32 dodwn into the open orifices on said side of the heat exchanging means channels and is spread over the interior surface of the heat exchanging means 22 down into their lower end, where the fluid is reversed and flows upwards through the other channel in the means 22 and out into the half of the end section 14 provided on the other side of the partition wall 32 towards the outlet 38.
  • the heat exchanging means being provided by two outside plates 24 and an intermediate plate 26 in the embodiment shown i figures 1 to 4 a separation of the means 22 into channels is achieved in a simple way and will spread the fluid across the interior surface of the heat exchanging means 22.
  • the intermediate plate can be manufactured of a thin material and the complete design thereby becomes more simple and less expensive in production.
  • a guiding plate 46 is provided in the half of the means 22c, where the fluid is entering between the outside wall 24c of the heat exchanging means and the intermediate wall 26c with the object to guide the fluid below 34c in such a way, that the fluid is spread equally across the surface of the heat ex ⁇ changing means 22c, as shown in the figures by means of arrows.
  • FIG 11 illustrates schematically a modified embodiment of the heat exchanger with heat exchanging means 22d provided with protrusions or in ⁇ dentations 28d being spot welded at the points of contact with the intermedi ⁇ ate wall 26d.
  • the heat exchanger shown in figure 12 is however provided with out ⁇ side walls 24e of the heat exchanging means 22e having longitudinal ridges or indentations 28e welded at the contact with the intermediate wall 26e with longitudinal welds 48 as illustrated in figures 12 and 14.
  • FIG. 15 to 19 a further modified embodiment is shown of the heat exchanger according to the invention with the heat exchanging means 22f having the same design as the heat exchanging means 22 in the embodiment of figure 1 and are exchangeably fixed to the intermediate wall 20f. Parts being common with the embodiment of figures 1 to 4 are provided with the same reference numbers with an index .
  • the heat exchanging means 22f are at their upper end next to the intermediate wall 20f provided with flanges 50 (figure 19) resting against the intermediate wall 20f via a packing or a seal provided between the flanges 50 and the intermediate wall 20f.
  • the flanges 50 are sealingly pressed against the packing 52 and the intermediate wall 20f by means of CTOSS bars 54 resting against the flange upper side, the cross bars comprising end plates 56 provided with a tranversing bolt 58 passing through an edge flange 62 in the wall of the container 10a and pulled down towards the edge flange 62 by means of a nut 60.
  • the desired load of the flanges 50 onto the heat exchanging means 22f is achieved by providing the bars with a height so that a space is achieved between the end plates 56 and the edge flange 62 when the flanges are sealingly pressed against the packing 52.
  • a suitable number of bars 54 six in number in the present case, are arranged to achieve a sufficient load on the heat exchanging means 22f for fixing and sealing them to the intermediate wall 20f.
  • FIG. 20 to 22 a further embodiment is shown with the heat exchanging means 22g inserted alternatively from the intermediate wall 20g and from a further intermediate wall 64 a ⁇ anged at the opposite end 12g of the container lOg.
  • the arrangement with the fluid supply and disposal to the heat exchanging means 22g is the same as previously described in connection with figures 1 to 4, i.e. with the end space separated by partition walls 32g and 66 in the inlet section and with an outlet section affiliated to the heat ex ⁇ changing means parts opening to the end section.
  • These can be pemanently inserted into the intermediate walls 20g and 64 in accordance with figures 1 and 2 or are detachably inserted in accordance with figures 15 to 19.

Abstract

L'invention concerne un échangeur thermique pour des fluides, tels que les liquides, la vapeur, les gaz, etc. L'échangeur thermique comporte une enceinte fermée (10) pourvue d'une entrée et d'une sortie pour un premier fluide et un moyen d'échange thermique (22) pour un second fluide, disposé dans l'enceinte. Le moyen d'échange thermique (22) est relié avec des sections fermées d'entrée et de sortie séparées de l'intérieur de l'enceinte. Le moyen d'échange thermique (22) comprend un élément avec deux canaux séparés allongés par rapport à l'intérieur de l'enceinte, les canaux à une extrémité étant reliés aux sections d'entrée et de sortie étanches (36, 38). Le moyen d'échange thermique (22) a, à l'autre extrémité, un compartiment d'inversion pour transférer le second fluide d'un canal à l'autre.
PCT/SE1994/000890 1994-09-26 1994-09-26 Echangeur thermique WO1996010158A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU10363/95A AU1036395A (en) 1994-09-26 1994-09-26 Heat exchanger
PCT/SE1994/000890 WO1996010158A1 (fr) 1994-09-26 1994-09-26 Echangeur thermique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE1994/000890 WO1996010158A1 (fr) 1994-09-26 1994-09-26 Echangeur thermique

Publications (1)

Publication Number Publication Date
WO1996010158A1 true WO1996010158A1 (fr) 1996-04-04

Family

ID=20393303

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1994/000890 WO1996010158A1 (fr) 1994-09-26 1994-09-26 Echangeur thermique

Country Status (2)

Country Link
AU (1) AU1036395A (fr)
WO (1) WO1996010158A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2781562A1 (fr) * 1998-07-24 2000-01-28 Sarl Thermi Consult Echangeur de chaleur a plaques assurant la fonction de condenseur
NL2002356C2 (nl) * 2008-12-19 2010-06-22 Magic Boiler Holding B V Warmtewisselaar en lamel geschikt voor gebruik in een warmtewisselaar.
EP2363676A1 (fr) * 2010-03-03 2011-09-07 Ayma AB Échangeur thermique

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE106648C1 (fr) *
GB190428197A (en) * 1904-12-23 1905-12-07 James William Claridge An Improved Apparatus for Heating, Cooling and similar purposes.
FR532248A (fr) * 1921-03-17 1922-01-30 Radiateur à lames plissées
FR553466A (fr) * 1921-07-08 1923-05-24 Griscom Russell Co Refroidisseur d'air
FR672293A (fr) * 1928-03-29 1929-12-26 Buttner Werke Ag Réchauffeur d'air et de gaz
US2511084A (en) * 1947-11-07 1950-06-13 Young Radiator Co Heat-exchanger core
US2941787A (en) * 1956-04-13 1960-06-21 Pedar Ltd Apparatus for heat exchange
FR1281849A (fr) * 1961-03-03 1962-01-12 Brown Fintube Co échangeur de chaleur
GB1001095A (en) * 1964-01-30 1965-08-11 Ramens Patenter Ab Heat exchanger
US3757856A (en) * 1971-10-15 1973-09-11 Union Carbide Corp Primary surface heat exchanger and manufacture thereof
SE367701B (fr) * 1972-10-09 1974-06-04 Parca Norrahammar Ab
US4354551A (en) * 1979-05-25 1982-10-19 Alfa-Laval Ab Heat exchanger
US4431049A (en) * 1979-11-27 1984-02-14 Toyo Engineering Corporation Bayonet tube heat exchanger

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE106648C1 (fr) *
GB190428197A (en) * 1904-12-23 1905-12-07 James William Claridge An Improved Apparatus for Heating, Cooling and similar purposes.
FR532248A (fr) * 1921-03-17 1922-01-30 Radiateur à lames plissées
FR553466A (fr) * 1921-07-08 1923-05-24 Griscom Russell Co Refroidisseur d'air
FR672293A (fr) * 1928-03-29 1929-12-26 Buttner Werke Ag Réchauffeur d'air et de gaz
US2511084A (en) * 1947-11-07 1950-06-13 Young Radiator Co Heat-exchanger core
US2941787A (en) * 1956-04-13 1960-06-21 Pedar Ltd Apparatus for heat exchange
FR1281849A (fr) * 1961-03-03 1962-01-12 Brown Fintube Co échangeur de chaleur
GB1001095A (en) * 1964-01-30 1965-08-11 Ramens Patenter Ab Heat exchanger
US3757856A (en) * 1971-10-15 1973-09-11 Union Carbide Corp Primary surface heat exchanger and manufacture thereof
SE367701B (fr) * 1972-10-09 1974-06-04 Parca Norrahammar Ab
US4354551A (en) * 1979-05-25 1982-10-19 Alfa-Laval Ab Heat exchanger
US4431049A (en) * 1979-11-27 1984-02-14 Toyo Engineering Corporation Bayonet tube heat exchanger

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2781562A1 (fr) * 1998-07-24 2000-01-28 Sarl Thermi Consult Echangeur de chaleur a plaques assurant la fonction de condenseur
NL2002356C2 (nl) * 2008-12-19 2010-06-22 Magic Boiler Holding B V Warmtewisselaar en lamel geschikt voor gebruik in een warmtewisselaar.
WO2010071434A1 (fr) * 2008-12-19 2010-06-24 Magic Boiler Ip B.V. Échangeur de chaleur et ailette appropriée à une utilisation dans un échangeur de chaleur
EP2363676A1 (fr) * 2010-03-03 2011-09-07 Ayma AB Échangeur thermique

Also Published As

Publication number Publication date
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