EP1434022A2 - Wärmetauscher - Google Patents

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Publication number
EP1434022A2
EP1434022A2 EP03079146A EP03079146A EP1434022A2 EP 1434022 A2 EP1434022 A2 EP 1434022A2 EP 03079146 A EP03079146 A EP 03079146A EP 03079146 A EP03079146 A EP 03079146A EP 1434022 A2 EP1434022 A2 EP 1434022A2
Authority
EP
European Patent Office
Prior art keywords
housing
heat exchanger
cooling
exchanger according
plates
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.)
Withdrawn
Application number
EP03079146A
Other languages
English (en)
French (fr)
Other versions
EP1434022A3 (de
Inventor
Walter Bloksma
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kelvion Machine Cooling BV
Original Assignee
Bloksma BV
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
Priority claimed from GB0302660A external-priority patent/GB2395999A/en
Application filed by Bloksma BV filed Critical Bloksma BV
Publication of EP1434022A2 publication Critical patent/EP1434022A2/de
Publication of EP1434022A3 publication Critical patent/EP1434022A3/de
Withdrawn legal-status Critical Current

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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
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular 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
    • F28D7/16—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
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0082—Charged air coolers

Definitions

  • the invention relates to a heat exchanger, in particular a heat exchanger for cooling air, in particular combustion air for an engine.
  • the invention further relates to a heat exchanger for combustion engines in installations, such as power stations, or larger vessels or vehicles, such as for instance seaworthy ferryboats.
  • the heat exchanger according to the invention can be designed as charge air cooler.
  • the housings for the heat exchangers are designed having a (circular) round cross-section.
  • purely rectangular cooling plates or rectangular cooling plates having rounded off corners that have a radius corresponding with the radius of the inner side of the housing have been arranged.
  • the latter cooling plates are in a relatively extensive contact with the housing, as a result of which vibrations may result in increased wear.
  • the rectangular cooling plates result in a limited pipe occupation of the cross-section of the housing.
  • a heat exchanger comprising a housing, a group of parallel pipes placed in the housing for passing a cooling medium therethrough, on which pipes a series of cooling plates has been arranged for cooling a medium to be cooled in the housing, wherein the housing has a cross-section comprising round or curved portions and the cooling plates have a circumferential edge that has one or more steps or which is stepped for locally recessing the circumferential edge of the cooling plates.
  • a heat exchanger comprising a housing, a group of parallel pipes placed in the housing for passing a cooling medium therethrough, on which pipes a series of cooling plates has been arranged for cooling a medium to be cooled in the housing, wherein the housing has a cross-section comprising round or curved portions and the cooling plates have a circumferential edge that is provided with angles which at the radial inward side of the circumferential edge include an obtuse angle of over 180 degrees.
  • the invention provides a heat exchanger comprising an elongated housing, a group of parallel pipes placed in the housing for passing a cooling medium therethrough, on which pipes a series of cooling plates has been arranged for cooling a medium to be cooled in the housing, wherein the housing in cross-section has an inner surface having round or curved portions, wherein the cooling plates in their plane have a geometry composed of several plate portions, particularly plate portions having a separately distinguishable geometry and having a different length, considered in the same direction in cross-section.
  • said plate portions are polygonal, particularly quadrangular, such as rectangular or trapezium-shaped, so that in a simple manner an optimal surface occupation can be formed or composed.
  • the plate portions are at least partly of a different size, for optimal adjustment to the cross-sectional form of the housing.
  • the cooling plates have a geometry composed of at least three quadrangular, particularly rectangular, plate portions of a different size.
  • the cooling plates can then comprise a relatively large rectangular plate portion that is situated centrally and smaller rectangular plate portions connecting to its long sides, in which way in a simple manner a useful surface enlarged in two diametrical directions can be obtained.
  • the cooling plate portions can be formed integrally with each other.
  • the cooling plates can be composed by joining said, in particular rectangular plate portions. Making the heat exchanger, particularly the joining of the pipes and cooling plates is particularly facilitated, however, when the plate portions are loosely joined, i.e. placed adjacent to each other without immediate mutual connection. The plate portions then can be kept at their places by the pipes extending through them.
  • the smaller plate portions are equal in dimensions.
  • the central plate portion itself is formed by two rectangular plate portions, placed adjacent to each other, and which in dimension is (are) equal to the smaller plate portion(s). All plate portions can be taken from the same web of material, which not only offers advantages as to production, but also makes an easy adjustment to the cross-section to be occupied possible.
  • the housing cross-section is circular.
  • the vertices of the cooling plates preferably are situated at least near the inner circumference of the housing.
  • the efficiency of the heat exchanger is increased when the cooling plates abut over at least two opposite portions of their circumference against side plates extending in longitudinal direction of the housing.
  • the central plate portion When the aforementioned central plate portion is present it is preferred that the central plate portion abuts the side plates with its short sides. The side plates ensure passing through and thus concentration of the medium to be cooled to the area of the pipes.
  • the heat exchanger is adapted for cooling a gas, in particular air
  • the side plates are positioned for bounding the space between the cooling plates substantially in a direction transverse to the flow direction.
  • the gas flow direction is downwards.
  • the assembly of the heat exchanger is further simplified when the side plates each are provided with an accommodation space for a mounting rod, which rod extends in longitudinal direction of the housing and has been provided with first holes for attachment means, the side plates being provided with second holes in the side plates coinciding with the first holes, which second holes coincide with third holes in the housing, the attachment means extending through the first, second and third holes for attachment of the said mounting rod and thus the side plate to the housing.
  • the mounting of the package of cooling plates in the housing is further facilitated by a number of partitions spaced apart in longitudinal direction, having a contour comparable to the one of the cooling plates, that may or may not be assembled, and being provided with holes for passage of the pipes, the partitions being provided with means for attachment to the side plates.
  • the invention provides a heat exchanger having an elongated housing, a group of parallel pipes placed in the housing for passing a cooling medium therethrough, on which pipes a series of cooling plates have been arranged for cooling a medium to be cooled in the housing, the housing having a round cross-section and the cooling plates abutting over at least two opposite portions of their circumference against side plates extending in longitudinal direction of the housing.
  • the cooling plates have a geometry with opposite straight sides, the side plates abutting those sides.
  • the side plates can be advantageously positioned for bounding the space between the cooling plates in substantially sideward horizontal direction.
  • the side plates can each be provided with an accommodation space for a mounting rod, which rod extends in longitudinal direction of the housing and has been provided with first holes for an attachment means, the side plates being provided with second holes in the side plates coinciding with the first holes, which second holes coincide with third holes in the housing, the attachment means extending through the first, second and third holes for attachment of the said mounting rod and thus the side plate to the housing.
  • the heat exchanger comprises a number of partitions spaced apart in longitudinal direction, having a contour comparable to the one of the cooling plates and being provided with holes for passage of the pipes, the partitions being provided with means for attachment to the side plates.
  • the invention further provides a heat exchanger according to the invention, adapted as (charge) air cooler for a combustion engine.
  • the invention furthermore provides an installation, such as a power station, provided with one or more engines having a heat exchanger according to the invention.
  • the invention further provides a vessel provided with a combustion engine, in particular a diesel engine, a heat exchanger according to the invention being placed between an air inlet and the combustion spaces.
  • a combustion engine in particular a diesel engine
  • a heat exchanger according to the invention being placed between an air inlet and the combustion spaces.
  • the invention further provides a vehicle provided with a combustion engine, in particular a diesel engine, a heat exchanger according to the invention being placed between an air inlet and the combustion spaces.
  • a combustion engine in particular a diesel engine
  • a heat exchanger according to the invention being placed between an air inlet and the combustion spaces.
  • the heat exchanger 1 in this example is a charge air cooler for use with for instance a diesel engine of a ferry boat, by which means air is cooled prior to it entering the combustion spaces.
  • the heat exchanger 1 comprises a cylindrical housing 2 having a straight circle-cylindrical housing portion 2a having a circular inner surface 6 and a housing portion 2b situated on the housing portion 2a.
  • the housing portion 2b forms an inlet/distribution space for air to be cooled, with a distribution partition 5 provided with holes situated at the entrance.
  • a distribution partition 5 provided with holes situated at the entrance.
  • housing portion 2b changes into housing portion 2a.
  • housing portion 2a has an outlet 3 for the cooled air.
  • the housing 2 is attached to a cylinder block of an engine that is not shown, in order to discharge the cooled air to the engine.
  • the cooling plates 7 In the geometry of the cooling plates 7, three plate portions having a separately distinguishable geometry can be seen, namely two small rectangles 7b and a large rectangle.
  • the cooling plates 7 have been built up from four separate plate portions, namely two long rectangular plates 7a and two shorter plate portions 7b placed on either side of them. The arrangement is symmetrical, and as can be seen four -recessed- steps 9 have been formed in the circumferential edge of the cooling plates 7. It can be seen that in the cooling plates 7 the angles situated on the transition between the plate portions 7a and 7b are larger than 180 degrees, here 270 degrees.
  • the plate portions 7b because of their shorter length are able to extend rather far in width direction. As a result a large surface area for the cooling plates 7 can be realised. As a result the cooling path B can be longer.
  • the width of the plate portions 7a and 7b is equal, as a result of which they can be cut from the same web of plate material that has been provided with holes 8.
  • cooling plates are placed in the direction perpendicular to the passage direction B against side partitions or side plates 10 extending in longitudinal direction of the housing portion 2a, which partitions or plates 10 for instance have been manufactured of weldable material such as steel and which at the lower side form a step 11, which with respect to the longitudinal edges of the plate portions 7a leaves an axial space 13 free.
  • partitions or plates 10 for instance have been manufactured of weldable material such as steel and which at the lower side form a step 11, which with respect to the longitudinal edges of the plate portions 7a leaves an axial space 13 free.
  • the side plates or side partitions 10 have been continued beyond the upper edge of the plate portions 7b, as more clearly shown in figure 1 A.
  • the side partitions 10 here are turned to the inside at an angle of approximately 45° into edge strips 15, in which at its inner side Z- or L-shaped steel brackets 17 have been attached (for instance by welding), which can extend continuously in axial direction of the housing portion 2a and form an accommodation space 16 for continuous mounting rods 18. Below the brackets 17 axial spaces 12 have been left free. At regular distances along their length the mounting rods 18 are provided with holes 19 that are broadened at their entrance.
  • the holes 19 come to lie in line with larger holes 20 that have been provided in the edge strip 15 of the side plates 10, as can also be seen in figure 1A.
  • the housing 2a at that location has also been provided with holes 21, which come to lie in line with the holes 19 and 20.
  • bolts 22 can be inserted.
  • FIG. 2 and 3 it is shown how the assembly of pipes 50 and cooling pipes 7 has been attached to the side plates 10.
  • mounting or support plates 30, which just like the cooling plates 7 have been provided with holes 31 for clamping passage of the pipes 50, and have a comparable circumferential shape having a (notional) central plate portion 30a forming a large rectangle and two smaller plate portions 30b, in this case formed as a unity with it.
  • the support plates 30 in fact form relatively thick ribs of for instance copper, which have been placed at intermediate distances of 30 cm from each other.
  • the support plates 30 have been provided with protruding lips 32, which have been provided with cut-ins 33 extending from their upper and lower side.
  • the side plates 10 have been provided with vertical slits 24 in which the lips 30 can be inserted.
  • the attachment of the support plate 30 to the side plate 10 then takes place by bending to different sides of the lip portions 34, as schematically shown in figure 2.
  • the slits 24 are further sealed by means of a suitable putty.
  • the housing 2a may have a substantially rectangular cross-section, having broadly rounded off corner areas, in which cooling plates built up from three rectangles, as discussed above, can be placed.
  • FIGS 4A-E schematically show some alternative cross-sections of housings and cooling plates of heat exchangers according to the invention, in which in figure 4A a housing portion 22a is shown having an inner surface 26 having a substantially rectangular cross-section having curved corner areas, in which cooling plates are placed that are composed of a central, rectangular plate portion 27a and two plate portions 27b which are substantially rectangular but which are provided with two correspondingly curved corner areas -having a radius that is much smaller than the radius of the inner surface 26 of the housing at that location-.
  • the inner surface 36 of the housing portion 32a is circular and the cooling plate is built up from a central, rectangular plate portion 37a and two plate portions 37b which are substantially rectangular but which are provided with two curved corner areas -having a radius that is much smaller than the radius of the inner surface 36 of the housing at that location-.
  • Figure 4C shows an oval inner surface 46 of the housing portion 42a, within which cooling plates having rectangular plate portions 47a, 47b and 47a have been placed.
  • housing portions 52a and 62a correspond with housing portions 22a and 32a, in which the cooling plate portions 57b and 67b are now trapezium-shaped.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
EP03079146A 2002-12-24 2003-12-22 Wärmetauscher Withdrawn EP1434022A3 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
NL1022264 2002-12-24
NL1022264 2002-12-24
GB0302660A GB2395999A (en) 2002-12-24 2003-02-05 Heat exchanger with circular housing and rectangular cooling plates
GB0302660 2003-02-05

Publications (2)

Publication Number Publication Date
EP1434022A2 true EP1434022A2 (de) 2004-06-30
EP1434022A3 EP1434022A3 (de) 2005-08-17

Family

ID=32472161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03079146A Withdrawn EP1434022A3 (de) 2002-12-24 2003-12-22 Wärmetauscher

Country Status (1)

Country Link
EP (1) EP1434022A3 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1017737A3 (nl) * 2007-08-24 2009-05-05 Atlas Copco Airpower Nv Warmtewisselaar en afdekplaat daarbij toegepast.
BE1018539A3 (nl) * 2009-04-24 2011-03-01 Atlas Copco Airpower Nv Warmtewisselaar.
EP2887001A1 (de) * 2013-12-18 2015-06-24 Casale Sa Rohrwärmetauschereinheit für Einbauten von Wärmetauschern oder Reaktoren

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB763647A (en) * 1953-05-25 1956-12-12 Giovanni Rossi Heat exchanger particularly suitable for high pressures and corrosive liquids
GB955546A (en) * 1960-05-16 1964-04-15 Foster Wheeler Ltd Improved heat exchanger
US4249596A (en) * 1979-11-13 1981-02-10 Don Burk Condenser and method of construction
US4311187A (en) * 1979-11-29 1982-01-19 Phillips Petroleum Company Vortex generators
US4689969A (en) * 1986-05-06 1987-09-01 Wilkerson Corporation Refrigerated gas separation apparatus
US5915472A (en) * 1996-05-22 1999-06-29 Usui Kokusai Sangyo Kaisha Limited Apparatus for cooling EGR gas
US20020038702A1 (en) * 1997-07-08 2002-04-04 Bp Exploration Operating Company Limited. Heat exchange apparatus and method of use

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB763647A (en) * 1953-05-25 1956-12-12 Giovanni Rossi Heat exchanger particularly suitable for high pressures and corrosive liquids
GB955546A (en) * 1960-05-16 1964-04-15 Foster Wheeler Ltd Improved heat exchanger
US4249596A (en) * 1979-11-13 1981-02-10 Don Burk Condenser and method of construction
US4311187A (en) * 1979-11-29 1982-01-19 Phillips Petroleum Company Vortex generators
US4689969A (en) * 1986-05-06 1987-09-01 Wilkerson Corporation Refrigerated gas separation apparatus
US5915472A (en) * 1996-05-22 1999-06-29 Usui Kokusai Sangyo Kaisha Limited Apparatus for cooling EGR gas
US20020038702A1 (en) * 1997-07-08 2002-04-04 Bp Exploration Operating Company Limited. Heat exchange apparatus and method of use

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1017737A3 (nl) * 2007-08-24 2009-05-05 Atlas Copco Airpower Nv Warmtewisselaar en afdekplaat daarbij toegepast.
BE1018539A3 (nl) * 2009-04-24 2011-03-01 Atlas Copco Airpower Nv Warmtewisselaar.
EP2887001A1 (de) * 2013-12-18 2015-06-24 Casale Sa Rohrwärmetauschereinheit für Einbauten von Wärmetauschern oder Reaktoren
US10655921B2 (en) 2013-12-18 2020-05-19 Casale Sa Tube heat exchange unit for internals of heat exchangers reactors

Also Published As

Publication number Publication date
EP1434022A3 (de) 2005-08-17

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