EP2757340B1 - Refroidisseur - Google Patents

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Publication number
EP2757340B1
EP2757340B1 EP14151073.5A EP14151073A EP2757340B1 EP 2757340 B1 EP2757340 B1 EP 2757340B1 EP 14151073 A EP14151073 A EP 14151073A EP 2757340 B1 EP2757340 B1 EP 2757340B1
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EP
European Patent Office
Prior art keywords
flow
heat exchanger
cooled
medium
equalisation element
Prior art date
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Active
Application number
EP14151073.5A
Other languages
German (de)
English (en)
Other versions
EP2757340A3 (fr
EP2757340A2 (fr
Inventor
Irhad Buljina
Thomas Greven
Stephan Faulhaber
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.)
Everllence SE
Original Assignee
MAN Diesel and Turbo SE
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Publication date
Application filed by MAN Diesel and Turbo SE filed Critical MAN Diesel and Turbo SE
Publication of EP2757340A2 publication Critical patent/EP2757340A2/fr
Publication of EP2757340A3 publication Critical patent/EP2757340A3/fr
Application granted granted Critical
Publication of EP2757340B1 publication Critical patent/EP2757340B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D31/00—Other cooling or freezing apparatus
    • 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
    • F28F9/005—Other auxiliary members within casings, e.g. internal filling means or sealing means
    • 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
    • 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
    • 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
    • F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates
    • F28F2009/222—Particular guide plates, baffles or deflectors, e.g. having particular orientation relative to an elongated casing or conduit

Definitions

  • the invention relates to a cooler according to the preamble of claims 1 and 8. From practice it is well known to cool with the aid of a cooler, a gaseous medium which has been compressed in a compressor. Such a cooler may be an intercooler between two compressor stages or an aftercooler after the last or single compressor stage.
  • coolers for cooling a compressed in a compressor, gaseous medium have a housing, wherein in the housing a heat exchanger for cooling the compressed, gaseous medium is arranged.
  • a heat exchanger for cooling the compressed, gaseous medium is arranged in the housing.
  • Such a cooler has several pipes through which coolant flows and around which the gaseous medium to be cooled flows.
  • the coolant is typically water and the gaseous medium to be cooled is typically air.
  • the housing of the cooler has at least one inlet, via which the gaseous medium to be cooled can be introduced into the housing of the cooler and fed to a section of the heat exchanger on the inlet side of the flow. Furthermore, the housing has at least one outlet, via which cooled, gaseous medium can be discharged from the housing of the cooler, starting from a section of the heat exchanger that is on the outlet side of the flow.
  • Such a cooler is in JP 2010 133678 A disclosed.
  • a cooler may have large dimensions.
  • coolers are known whose housing has a length of over 10 meters and a diameter of over 3 meters.
  • Such a non-uniform flow for the gaseous medium to be cooled is disadvantageous because then the cooler can not be operated optimally.
  • An uneven flow of the compressed, gaseous and to be cooled medium through the radiator limits the cooling capacity of the radiator.
  • the present invention seeks to provide a novel cooler.
  • At least two perforated, plate-like flow equalization elements are arranged in the housing in the direction of flow of the medium to be cooled upstream of the flow inlet side of the heat exchanger, which are arranged at an angle to each other such that a first, upper flow equalization element extends through the heat exchanger in the flow direction of the medium to be cooled, and that a second, lower flow equalization element extends obliquely to the flow direction of the medium to be cooled through the heat exchanger, so that a part of the flow to be conducted via the heat exchanger flows successively over the at least two flow equalization elements and another part passes by the same.
  • a uniform flow for the gaseous medium to be cooled can be realized by the heat exchanger of the cooler.
  • the cooler can then be operated at an optimum operating point, whereby its cooling performance can be improved.
  • a condensate separation can be improved on an optional condensate separator of the cooler.
  • Reduces the pressure loss in a cooler and the vibration stress of components of the cooler can be reduced.
  • At least one perforated, plate-like flow equalization element which is positioned upstream of the flow inlet-side section of the heat exchanger in the flow direction of the medium to be cooled, is subdivided into a plurality of segments of different porosity. Through the segments with different porosities, an optimal flow through the radiator or the heat exchanger of the radiator with the gaseous medium to be cooled can be set. This object is also achieved by a cooler according to claim 8.
  • At least three perforated, plate-like flow equalization elements are positioned in the housing in the flow direction of the medium to be cooled upstream of the upstream section of the heat exchanger, namely a first, upper flow equalization element and a second lower flow equalization element extending through the heat exchanger in the flow direction of the medium to be cooled , and a third, middle flow equalization element extending through the heat exchanger between the upper and lower flow equalization elements perpendicular to the flow direction of the medium to be cooled such that a portion of the flow to be flowed via the heat exchanger flows sequentially across the upper flow equalization element and one of the further flow equalization elements another part passes by.
  • the present invention relates to a cooler which serves to cool a compressed in a compressor, gaseous medium.
  • the compressor may be an axial compressor and the radiator according to the invention may be an intercooler or aftercooler.
  • the invention relates to such coolers that are used in large compressor systems from a capacity of about 300,000 Nm 3 / h.
  • Fig. 1 and 2 show different views of a radiator 10, namely a housing 11 of the radiator 10, wherein within the housing 10, a heat exchanger 12 is arranged.
  • the heat exchanger 12 has a plurality of tubes, not shown in detail, through which a coolant, in particular water, flows and is to be cooled by the gaseous medium to be cooled, in particular air to be cooled.
  • a coolant in particular water
  • the housing 11 of the radiator 10 On the housing 11 of the radiator 10 at least one inlet 13 is formed, via which the to be cooled, compressed gaseous medium in the housing 11 of the radiator 10 can be inserted and a flow inlet side portion 14 of the heat exchanger 12 can be fed. Furthermore, the housing 11 has at least one outlet 15, via which cooled medium, starting from a flow outlet-side section 16 of the heat exchanger 12 from the housing 11 of the radiator 10 can be discharged. The flow of the still to be cooled gaseous medium and the flow of the already cooled gaseous medium are separated by at least one partition plate 25 from each other.
  • the direction of flow of the gaseous medium to be cooled through the cooler 10 is shown by arrows 17, in particular Fig. 2 . 3 and 5 can be taken that the gaseous medium to be cooled flows from above via the inlet 13 into the radiator 10, then distributed vertically and horizontally along the flow inlet side portion 14 of the heat exchanger 12, then the heat exchanger 12 in the horizontal direction from the flow inlet side section 14 Flow outlet-side section 16 flows through, and then flows vertically and horizontally along the flow outlet side portion 16 of the heat exchanger 12 to the outlet 15.
  • At least two perforated, plate-like flow equalization elements are positioned in the housing 11 of the radiator 10 in the flow direction of the gaseous medium to be cooled, upstream of the inflow-side section 14 of the heat exchanger 12.
  • two perforated, plate-like flow equalization elements 18, 19 are positioned in front of the flow inlet-side section 14 of the heat exchanger 12
  • Fig. 3 are arranged angle profile to each other and include an angle ⁇ between 30 ° and 60 °.
  • the two perforated, plate-like flow equalization elements 18 and 19 enclose an angle ⁇ between 40 ° and 50 °.
  • a first perforated, plate-like flow equalization element 18 extends in or parallel to the flow direction 17 of the medium to be cooled through the heat exchanger 12.
  • a second flow equalization element 19, which is arranged below the first flow equalization element 18, extends obliquely to the flow direction 17 of the medium to be cooled through the heat exchanger 12.
  • each of the first, upper plate-like flow equalization element 18 and the second, lower plate-type flow equalization element 19 is subdivided into a plurality of segments of different porosity.
  • the segments of different porosity of the upper flow equalization element 18, which runs in or parallel to the flow direction 17 of the medium to be cooled through the heat exchanger 12, are preferably positioned in a horizontal direction perpendicular to the flow direction 17 of the medium to be cooled by the heat exchanger adjacent to each other that adjacent the inlet 13 for the medium to be cooled a relatively low porosity and with increasing distance from the inlet 13 a relatively high porosity is formed.
  • the upper flow equalization element 18 may be provided to subdivide the upper flow equalization element 18 into, for example, five or seven segments, the segment positioned adjacent to the inlet 13 having a relatively high porosity of, for example, 40%, whereas As the distance of the segments from the inlet 13 increases, the porosity increases successively, for example by 10% per segment.
  • the lower flow equalization element 19 which is inclined to the flow direction 17 of the medium to be cooled by the heat exchanger 12, divided into several segments of different porosity, which may be provided in a concrete embodiment, this flow equalization element 19 into two segments, wherein then a relatively large porosity is set in an upper segment of the lower flow equalization element 19 which extends adjacent to the upper flow equalization element 18, whereas in the lower segment of the lower flow equalization element 19, which is spaced from the upper flow equalization element 18, a relatively large porosity is formed.
  • the segments of different porosity of the lower flow equalization element 19 are accordingly not positioned next to one another in the horizontal direction but one above the other in the vertical direction.
  • the upper, first flow equalization element 18 which extends parallel to the flow direction 17 of the medium to be cooled through the heat exchanger 12, with a distance ⁇ d1 below an upper edge 20 of the heat exchanger 17 is arranged. Furthermore, can Fig. 3 it can be seen that both flow equalization elements 18 and 19 are arranged at a distance ⁇ d2 in front of the flow inlet-side section 14 of the heat exchanger 12, so that part of the flow to be conducted via the heat exchanger 12 is guided past the flow equalization elements 18 and 19 and another part ,
  • Fig. 4 shows a section of the flow equalization element 18 and from the flow equalization element 19 in the region of a segment the same, being in Fig. 4 a plurality of holes or recesses 21 are shown whose size and spacing determine the porosity of the respective segment of the respective flow equalization element 18 or 19.
  • the recesses 21 are arranged like a matrix in the form of several rows and columns, wherein in the middle between two recesses 21 of a first row, a recess of an adjacent second row is arranged.
  • Each three recesses 21 positioned in two rows are arranged with their centers at the vertices of an isosceles triangle. This arrangement of the recesses 21 is purely exemplary nature.
  • Fig. 5 shows an alternative embodiment of a cooler 10 according to the invention, wherein in the housing 11, three perforated, plate-like flow equalization elements 22, 23 and 24 are positioned.
  • a first, upper flow equalization element 22 and a second, lower flow equalization element 24 each extend in or parallel to the flow direction 17 of the gaseous medium to be cooled through the heat exchanger 12.
  • a third, middle flow equalization element 24 extends perpendicular to the flow direction of the gaseous to be cooled Medium through the heat exchanger 12 between the upper flow equalization element 22 and the lower flow equalization element 23. At least one of these flow equalization elements 22, 23, 24 may again be subdivided into a plurality of segments of different porosity.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Compressor (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)

Claims (10)

  1. Refroidisseur (10) pour refroidir un milieu gazeux, compressé dans un compresseur, comportant un logement (11), comportant un échangeur thermique (12) positionné dans le logement (11), qui présente plusieurs tuyaux traversés par un milieu de refroidissement et baignant dans le milieu gazeux à refroidir, comportant au moins une conduite d'amenée (13), par l'intermédiaire de laquelle le milieu à refroidir peut être introduit dans le logement (11) du refroidisseur et peut être alimenté dans une section du côté d'entrée d'écoulement (14) de l'échangeur thermique (12), et comportant au moins une conduite d'évacuation (15), par l'intermédiaire de laquelle le milieu refroidi peut être évacué à partir d'une section du côté de sortie d'écoulement (16) de l'échangeur thermique (12) hors du logement (11) du refroidisseur, caractérisé en ce que dans le logement (11), vu dans la direction d'écoulement du milieu à refroidir en amont de la section du côté d'entrée d'écoulement (14) de l'échangeur thermique (12), au moins deux éléments de répartition homogène d'écoulement (18,19) perforés, en forme de plaque sont positionnés, qui sont disposés à la manière d'un profilé angulaire l'un par rapport à l'autre, de sorte que un premier élément d répartition homogène d'écoulement (18) supérieur s'étende dans la direction d'écoulement du milieu à refroidir à travers l'échangeur thermique (12), et en ce que un deuxième élément de répartition homogène d'écoulement (19) inférieur s'étende en oblique par rapport à la direction d'écoulement du milieu à refroidir à travers l'échangeur thermique (12), de telle sorte qu'une partie de l'écoulement à guider par l'intermédiaire de l'échangeur thermique (12) s'écoule au-dessus des au moins deux éléments de répartition homogène d'écoulement (18,19) l'un après l'autre et une autre partie soit avancée sur ces derniers.
  2. Refroidisseur selon la revendication 1, caractérisé en ce que au moins un élément de répartition homogène d'écoulement (18,19) perforé, en forme de plaque, qui est positionné dans la direction d'écoulement du milieu à refroidir, vu en amont de la section du côté d'entrée d'écoulement (14) de l'échangeur thermique (12), soit divisé en plusieurs segments de porosité différente.
  3. Refroidisseur selon la revendication 1 ou 2, caractérisé en ce que le premier élément de répartition homogène d'écoulement supérieur (18) et le deuxième élément de répartition homogène d'écoulement inférieur (19) définissent un angle compris entre 30° et 60°.
  4. Refroidisseur selon une des revendications précédentes, caractérisé en ce que le premier élément de répartition homogène d'écoulement supérieur (18) et le deuxième élément de répartition homogène d'écoulement inférieur (19) définissent un angle compris entre 40° et 50°.
  5. Refroidisseur selon une des revendications précédentes, caractérisé en ce que le premier élément de répartition homogène d'écoulement supérieur (18) est disposé avec un premier espacement au-dessous d'une arête supérieure (20) de l'échangeur thermique (12), et en ce que le premier élément de répartition homogène d'écoulement supérieur (18) et le deuxième élément de répartition homogène d'écoulement inférieur (19) sont disposés respectivement avec un deuxième espacement par rapport à la section du côté d'entrée d'écoulement (14) de l'échangeur thermique (12).
  6. Refroidisseur selon une des revendications précédentes, caractérisé en ce que le premier élément de répartition homogène d'écoulement supérieur (18) est divisé en plusieurs segments de porosité différente, dans lequel les segments de porosité différente du premier élément de répartition homogène d'écoulement supérieur (18) sont positionnés les uns à côté des autres de telle sorte que dans le voisinage de ou de chaque conduite d'amenée (13) du milieu à refroidir, une porosité relativement moindre et avec un espacement par rapport au ou à chaque conduite d'amenée (13) une porosité relativement haute soit réalisée.
  7. Refroidisseur selon une des revendications précédentes, caractérisé en ce que le deuxième élément de répartition homogène d'écoulement inférieur (19) est divisé en plusieurs segments de porosité différente, dans lequel les segments de porosité différente du deuxième élément de répartition homogène d'écoulement inférieur (19) sont positionnés les uns au-dessus des autres de telle sorte que dans le voisinage du premier élément de répartition homogène d'écoulement supérieur (18) une porosité relativement grande et avec un espacement par rapport au premier élément de répartition homogène d'écoulement supérieur (18) une porosité relativement moindre est réalisée.
  8. Refroidisseur (10) pour refroidir un milieu gazeux, compressé dans un compresseur, compressé dans un compresseur, comportant un logement (11), comportant un échangeur thermique (12) positionné dans le logement (11), qui présente plusieurs tuyaux traversés par un milieu de refroidissement et baignant dans le milieu gazeux à refroidir, comportant au moins une conduite d'amenée (13), par l'intermédiaire de laquelle le milieu à refroidir peut être introduit dans le logement (11) du refroidisseur et peut être alimenté dans une section du côté d'entrée d'écoulement (14) de l'échangeur thermique (12), et comportant au moins une conduite d'évacuation (15), par l'intermédiaire de laquelle le milieu refroidi peut être évacué à partir d'une section du côté de sortie d'écoulement (16) de l'échangeur thermique (12) hors du logement (11) du refroidisseur, caractérisé en ce que dans le logement (11), vu dans la direction d'écoulement du milieu à refroidir en amont de la section du côté d'entrée d'écoulement (14) de l'échangeur thermique (12), au moins trois éléments de répartition homogène d'écoulement (22,23,24) perforés, en forme de plaque sont positionnés, à savoir un premier élément de répartition homogène d'écoulement supérieur (22) et un deuxième élément de répartition homogène d'écoulement inférieur (23), qui s'étendent dans la direction d'écoulement du milieu à refroidir à travers l'échangeur thermique (12), ainsi qu'un troisième élément de répartition homogène d'écoulement central (24), qui s'étend entre l'élément de répartition homogène d'écoulement supérieur et inférieur perpendiculairement à la direction d'écoulement du milieu à refroidir à travers l'échangeur thermique (12), de telle sorte qu'une partie de l'écoulement à guider par l'intermédiaire de l'échangeur thermique (12) s'écoule au-dessus de l'élément de répartition homogène d'écoulement supérieur (22) et un des autres éléments de répartition homogène d'écoulement (23,24) l'un après l'autre et une autre partie est avancée sur ces derniers.
  9. Refroidisseur selon la revendication 8, caractérisé en ce que le premier élément d répartition homogène d'écoulement supérieur (22) est disposé avec un premier espacement au-dessous d'une arête supérieure (20) de l'échangeur thermique (12) et le premier élément de répartition homogène d'écoulement supérieur (22), le deuxième élément de répartition homogène d'écoulement inférieur (23) et le troisième élément de répartition homogène d'écoulement central (24) sont disposés respectivement avec un deuxième espacement par rapport à la section du côté d'entrée d'écoulement (14) de l'échangeur thermique (12).
  10. Refroidisseur selon la revendication 8 ou 9, caractérisé en ce que les éléments de répartition homogène d'écoulement (22,23,24) sont disposés respectivement en plusieurs segments de porosité différente.
EP14151073.5A 2013-01-18 2014-01-14 Refroidisseur Active EP2757340B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013000766.6A DE102013000766A1 (de) 2013-01-18 2013-01-18 Kühler

Publications (3)

Publication Number Publication Date
EP2757340A2 EP2757340A2 (fr) 2014-07-23
EP2757340A3 EP2757340A3 (fr) 2015-09-09
EP2757340B1 true EP2757340B1 (fr) 2017-06-14

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EP14151073.5A Active EP2757340B1 (fr) 2013-01-18 2014-01-14 Refroidisseur

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US (1) US9279612B2 (fr)
EP (1) EP2757340B1 (fr)
JP (1) JP6324732B2 (fr)
CN (1) CN103983127B (fr)
DE (1) DE102013000766A1 (fr)

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JP7414577B2 (ja) 2020-02-21 2024-01-16 三菱重工コンプレッサ株式会社 冷却装置
JP7657093B2 (ja) * 2021-04-21 2025-04-04 株式会社ノエビア 美容方法
JP2024060876A (ja) * 2022-10-20 2024-05-07 三菱重工コンプレッサ株式会社 ガスクーラの設計方法
JP2025103510A (ja) * 2023-12-27 2025-07-09 三菱重工コンプレッサ株式会社 冷却装置
CN120619512B (zh) * 2025-08-14 2025-10-28 诚联恺达(河北)科技股份有限公司 一种冷却单元及冷却系统的控制方法

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Also Published As

Publication number Publication date
JP2014137219A (ja) 2014-07-28
US9279612B2 (en) 2016-03-08
EP2757340A3 (fr) 2015-09-09
CN103983127B (zh) 2017-04-12
US20140202198A1 (en) 2014-07-24
EP2757340A2 (fr) 2014-07-23
CN103983127A (zh) 2014-08-13
DE102013000766A1 (de) 2014-07-24
JP6324732B2 (ja) 2018-05-16

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