EP2710312A1 - Procédé de réparation ou de vérification d'une installation, en particulier frigorifique, logée dans un contenant fermé de manière étanche à la pression et contenant permettant de mettre en oeuvre le procédé - Google Patents

Procédé de réparation ou de vérification d'une installation, en particulier frigorifique, logée dans un contenant fermé de manière étanche à la pression et contenant permettant de mettre en oeuvre le procédé

Info

Publication number
EP2710312A1
EP2710312A1 EP12714021.8A EP12714021A EP2710312A1 EP 2710312 A1 EP2710312 A1 EP 2710312A1 EP 12714021 A EP12714021 A EP 12714021A EP 2710312 A1 EP2710312 A1 EP 2710312A1
Authority
EP
European Patent Office
Prior art keywords
container
flange
tube
pressure
pipe
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
Application number
EP12714021.8A
Other languages
German (de)
English (en)
Other versions
EP2710312B1 (fr
Inventor
Remo Meister
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2710312A1 publication Critical patent/EP2710312A1/fr
Application granted granted Critical
Publication of EP2710312B1 publication Critical patent/EP2710312B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F25D31/006—Other cooling or freezing apparatus specially adapted for cooling receptacles, e.g. tanks
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B31/00—Compressor arrangements
    • F25B31/02—Compressor arrangements of motor-compressor units
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/005—Compression machines, plants or systems with non-reversible cycle of the single unit type
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/071—Compressor mounted in a housing in which a condenser is integrated
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/06—Damage
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
    • F25B2500/221—Preventing leaks from developing
    • 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
    • F25D23/00—General constructional features
    • F25D23/006—General constructional features for mounting refrigerating machinery components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49352—Repairing, converting, servicing or salvaging

Definitions

  • the present invention relates to the field of plant engineering. It relates to a method for repairing or checking a in a pressure-tight closed container housed, in particular refrigeration system. It further relates to a container for carrying out the method.
  • the refrigeration systems are to be assembled from individual, generally similar refrigeration modules, which are each covered with a protective jacket in the manner that creates a protection between the refrigeration cycle of the individual module and the environment. This protection absorbs any refrigerant escaping from the refrigeration cycle and prevents the harmful contact between the refrigerant and the environment.
  • the local refrigeration system 40 is composed of a plurality of parallel operating cooling modules ⁇ .,. ⁇ , each having a local refrigeration cycle with a compressor 38 and a heat exchanger 16. From the heat exchanger 16 of each refrigeration module ⁇ .,. ⁇ connecting lines are led to manifolds SLL, SL2, which connect, for example, the individual modules with a cold consumer.
  • the individual refrigeration modules KM 1... KMn are to be brought into contact with each other in a pressure-tight container 10, which has an internal pressure deviating from the outside world (eg a vacuum).
  • a pressure-tight sealed container per refrigeration module has the following effects:
  • the case or container can absorb and dampen vibrations and noise.
  • the interior of the shell or container can be cooled (if the heat output of the compressors becomes a problem, the interior can be kept at a desired temperature by means of coiled coils or the like, for example, the cold medium return or flow temperature or appropriate measures).
  • the shell or the container is filled with a protective gas (same alerting as above).
  • the shell or the container may have different designs (round, square, cylindrical, etc.) and consist of different materials (stainless steel, steel, carbon, plastic, etc.), which meet the mentioned characteristics.
  • the container with the module can be built in a standing or lying version.
  • the modules can be replaced and repaired in sheltered workshops with appropriate specialist personnel in the appropriate environment.
  • the problem is the permanent tightness of the container with the modules therein. If the container is provided with openable and re-closable openings that can be opened during a repair or inspection, seals are required to seal the openings. However, for example, to keep a vacuum in the container for a long time (> 10 years), conventional rubber or plastic gaskets (O-rings etc.) are not sufficient because of the associated diffusion problems. On the other hand, the use of metal seals is usually expensive.
  • the aim is to build such a security container, which is to be gas-tight for vacuum and pressure (or pressure only), cheap and in the event of a repair to perform this cheap.
  • the container is cut open at at least one predetermined separation point, the system located in the container is repaired or checked, and then the container is placed at the separation point again closed by a cohesive connection.
  • An embodiment of the method according to the invention is characterized in that the container is separated by the cutting in at least two separate container parts, and that the at least two separate container parts are connected to each other again after the repair of the system cohesively.
  • the at least two separate container parts are welded together.
  • Another embodiment of the method according to the invention is characterized in that at least one pipe is guided outwardly through the container wall from the system located in the container, so that the container has at least one tube pipe projecting outwardly from the container wall through which the pipe socket projects at least one pipe out and connected pressure-tight on the outside of the pipe with the outer end of the pipe socket that is cut to repair or review the system of the pipe socket with the pipe therein at a first predetermined separation point, and that after repair or Checking the pipe stub by a cohesive connection with the tube again pressure-sealed.
  • the at least one tube on the outside of the tube with the outer end of the pipe socket by a pressure-tight welded joint which is again sealed pressure-tight after repair or inspection of the pipe socket by welding with the performed pipe.
  • Another embodiment of the invention is characterized in that the at least one tube is cut at a lying outside the first separation point second separation point to form a gap in the pipe, that after repair or inspection first coming out of the container, cut pipe for Closing of the gap through the pipe socket is pushed so far out that it connects to the second separation point to the outer part of the tube, that then the two ends of the tube are connected together, and that the pipe socket by a material connection with the performed pipe is sealed again pressure-tight.
  • the two ends of the tube are joined together by welding.
  • the at least one pipe is connected to a plant part arranged in the container, and the pipe is displaced together with the plant part.
  • a further embodiment of the method according to the invention is characterized in that the at least one tube is cut at a lying outside the first separation point second separation point and at a lying within the container third separation point to form a gap in the tube that after repair or Review in the gap for closing the gap a corresponding piece of pipe used and is connected to the second and third separation point with the ends of the tube, and that the pipe socket is sealed again by a material connection with the pipe section used pressure-tight.
  • the pipe piece is connected to the ends of the pipe in each case by welding.
  • Yet another embodiment of the method according to the invention is characterized in that an outwardly extending flange connection is arranged on the container, which has a flange which is closed by an attached cover, that the flange connection is surrounded by a hood attached to the flange connection, which flange connection closes pressure-tight to the outside, that for repair or inspection of the system located in the container, the hood is cut at a separation point, and that after completion of repair or inspection, the hood is pressure-tight again attached to the flange.
  • a further embodiment is characterized in that the flange is spaced from the container wall, that is attached to the flange extending to the container neck that the slipped over the flange and the nozzle hood is materially connected to the free end of the nozzle, and that the connection point is separated by simultaneous cutting of the hood and nozzle at the separation point.
  • the flange is spaced from the container wall, that between the flange and the container wall is mounted parallel to the flange extending flange that the slipped over the flange connection hood is materially connected to the outer edge of the flange, and that the joint is separated by simultaneous cutting of the hood and flange at the separation point.
  • the hood is connected to the flange by a weld, and after completion of the repair or inspection, the hood is again pressure-tight attached to the flange by a weld.
  • the inventive container with a housed therein, in particular refrigeration system for carrying out the method according to the invention is characterized in that the container is gas-tight or pressure-sealed by cohesive connections of its parts.
  • An embodiment of the container according to the invention is characterized in that at least one tube is led out from the container in the container through the container wall to the outside, and that the container for carrying the at least one tube from the container wall outwardly projecting pipe socket, through which the at least one pipe out and connected on the outside of the pipe with the outer end of the pipe socket pressure-tight.
  • the at least one tube on the outside of the tube with the outer end of the pipe socket by a weld pressure-tight manner.
  • Another embodiment of the container according to the invention is characterized in that an outwardly extending flange connection is arranged on the container, which has a flange which is closed by an attached cover, and in that the flange connection is surrounded by a hood attached to the flange connection, which flange connection closes pressure-tight to the outside.
  • a further embodiment is characterized in that the flange is spaced from the container wall, that on the flange, a nozzle extending towards the container is brought, and that via the flange and the nozzle Stü lpte Hau be with the free end of the nozzle materially verbu conditions is.
  • Another embodiment is characterized in that the flange is spaced from the container wall, that a flange ring extending parallel to the flange is mounted between the flange and the container wall, and that the hood protrudes over the flange connection with the outside Edge of the flange is cohesively verbu nden is.
  • the housing is connected to the flange connection by means of a welding process.
  • FIG. 1 shows in detail an example of a permanently closed container with a heat exchanger arranged therein and outwardly guided pipes, wherein the container is welded together at separation points of several parts;
  • FIG. 2 shows the opening of the container for repairing or checking the system (heat exchanger) located therein according to an embodiment of the invention, wherein a part of the container is separated at a separation point;
  • FIG. 3 shows a container with a system located therein according to another embodiment of the invention, with a specially designed flange connection and specially designed tube guides (FIG. 3 (a)), as well as the opening of the container at the flange connection (FIG. 3 (b)) and opening the container on a tube guide (FIG. 3 (c));
  • 4 shows another way of opening the container at the pipe feedthrough according to FIG. 3 (FIG. 4 (a)) and re-closing it by pushing the pipe in (FIG. 4 (b));
  • FIG. 6 shows another embodiment of the flange connection on the container (FIG. 6 (a)) and the manner of opening and closing it (FIG. 6 (b));
  • FIG. 7 shows a greatly simplified scheme of a modular refrigeration system in which the individual modules are each housed in a permanently sealed container.
  • FIG. 1 a container 10 which is permanently sealed by material connections between its individual parts pressure and gas tight and in the interior 11 a system, in particular refrigeration technology (eg, a refrigeration cycle), from the in FIG 1 a heat exchanger 16 is shown by way of example.
  • the container 10 is built in two (or more) container parts 12, 13 and after the installation of the system or the module or the like. Connected to one or more separation points 14, 15 cohesively over its circumference.
  • the container is for example separated or cut at the separation point 15 (FIG.
  • the heat exchanger 16 of Fig. 1 and 2 has tubes 17, 18 which are guided from the heat exchanger 16 through the wall of the container 10 to the outside, for example, to be connected according to FIG. 7 to common manifolds SL1, SL2.
  • the tubes 17, 18 are fastened and sealed directly at their passage through the container wall by a weld 19 °.20.
  • the previous statements apply mutatis mutandis to the metallic closure in a vessel 10 arranged on the flange connection (see flange 26 in Fig. 3 and 26 'in Figure 6).
  • the opening is solved in detail in such a way that the weld seam can simply be "cut out” and enough material remains to be able to re-attach a new weld seam.
  • the flange connection 26 in the exemplary embodiment of FIG. 3 comprises a flange 27 at the end of a pipe section protruding from the container wall, which is closed by corresponding screw connections with a cover 28.
  • a nozzle 30 directed towards the container is welded to the flange 27.
  • a hood 29 is welded (welding 31), which surrounds the flange connection 26 from the flange 27 to a gas-tight.
  • the connection piece 30 and hood 29 are cut through (severed) at a separation point 32 such that the section with the weld 31 drops.
  • the hood 29 can then be removed and the flange 26 are opened. If the flange connection 26 is subsequently closed again in a gas-tight manner, the hood 29 is placed on and connected at the separation point 32 with the shortened connection piece 30 by a new weld 31 '.
  • FIG. 6 (b) An alternative embodiment of such a flange cover is shown in FIG.
  • the local flange connection 26 ' is covered by a hood 29', which has a brim and is welded to the outer edge of the brim with a flange ring 37 (weld 35), which in turn is welded to the pipe section protruding from the container wall. If the hood 29 'are removed, the edge and the flange 37 are severed at a separation point 36, so that the portion removed with the weld 35 and the hood 29' can be removed. When closing later, the flange ring 37 and hood 29 'are gas-tight again by a new weld 35' (FIG. 6 (b)).

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

L'invention concerne un procédé de réparation ou de vérification d'une installation (16) en particulier frigorifique logée dans un contenant (10) fermé durablement de manière étanche à la pression. Selon ledit procédé, le contenant (10) est ouvert par découpe en au moins un point de sectionnement (23) prédéfini, l'installation (16) située dans le contenant (10) est réparée ou vérifiée puis le contenant (10) est refermé au point de sectionnement (23) par liaison de matière.
EP12714021.8A 2011-05-20 2012-04-17 Procédé de réparation ou de vérification d'une installation frigorifique, logée dans un contenant fermé de manière étanche à la pression Active EP2710312B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH00868/11A CH704990A1 (de) 2011-05-20 2011-05-20 Verfahren zum Reparieren bzw. Überprüfen einer in einem druckdicht geschlossenen Behälter untergebrachten, insbesondere kältetechnischen Anlage sowie Behälter zur Durchführung des Verfahrens.
PCT/EP2012/057001 WO2012159826A1 (fr) 2011-05-20 2012-04-17 Procédé de réparation ou de vérification d'une installation, en particulier frigorifique, logée dans un contenant fermé de manière étanche à la pression et contenant permettant de mettre en œuvre le procédé

Publications (2)

Publication Number Publication Date
EP2710312A1 true EP2710312A1 (fr) 2014-03-26
EP2710312B1 EP2710312B1 (fr) 2021-05-19

Family

ID=45953166

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12714021.8A Active EP2710312B1 (fr) 2011-05-20 2012-04-17 Procédé de réparation ou de vérification d'une installation frigorifique, logée dans un contenant fermé de manière étanche à la pression

Country Status (4)

Country Link
US (1) US20140216099A1 (fr)
EP (1) EP2710312B1 (fr)
CH (1) CH704990A1 (fr)
WO (1) WO2012159826A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104097061B (zh) * 2013-04-07 2017-06-16 南通中集罐式储运设备制造有限公司 罐式集装箱总装台
DE102016112851A1 (de) 2016-07-13 2018-01-18 Viessmann Werke Gmbh & Co Kg Kältemodul

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1145226A (en) * 1914-05-19 1915-07-06 John C Bertsch Rotary refrigerating apparatus.
US1719807A (en) * 1923-06-04 1929-07-02 Westinghouse Electric & Mfg Co Refrigerator
US1907603A (en) * 1932-09-23 1933-05-09 Gen Electric Refrigerating machine
US2361855A (en) * 1941-05-28 1944-10-31 Gen Motors Corp Refrigerating apparatus
EP1788250A1 (fr) * 2005-11-22 2007-05-23 J&E Hall Limited Procédé et appareil pour la reconstruction d'un compresseur
CN101307761A (zh) * 2001-09-27 2008-11-19 三洋电机株式会社 压缩机

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2007730A (en) * 1931-09-02 1935-07-09 Westinghouse Electric & Mfg Co Refrigerating apparatus
US2199414A (en) * 1936-10-31 1940-05-07 Caladon Corp Compressor unit for refrigeration and other applications
AT213931B (de) * 1959-02-25 1961-03-10 Raimund Culk Kältekompressor
FR1353345A (fr) * 1962-04-10 1964-02-21 Danfoss As Perfectionnements apportés aux enveloppes soudées pour groupes moto-compresseursseurs étanches
US4553903A (en) * 1982-02-08 1985-11-19 Baruir Ashikian Two-stage rotary compressor
AT503557B1 (de) 2002-08-28 2007-11-15 Bms Energietechnik Ag Kälteanlage und verfahren zum betrieb einer kälteanlage
AT9232U1 (de) * 2006-05-22 2007-06-15 Acc Austria Gmbh Kältemittelverdichter
US20100287960A1 (en) 2008-01-31 2010-11-18 Remo Meister Modular Air-Conditioning System and Method for the Operation Thereof
BRPI0903956A2 (pt) * 2009-01-09 2010-11-23 Aurelio Mayorca processo e equipamento para melhorar eficiência de compressores e refrigeradores

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1145226A (en) * 1914-05-19 1915-07-06 John C Bertsch Rotary refrigerating apparatus.
US1719807A (en) * 1923-06-04 1929-07-02 Westinghouse Electric & Mfg Co Refrigerator
US1907603A (en) * 1932-09-23 1933-05-09 Gen Electric Refrigerating machine
US2361855A (en) * 1941-05-28 1944-10-31 Gen Motors Corp Refrigerating apparatus
CN101307761A (zh) * 2001-09-27 2008-11-19 三洋电机株式会社 压缩机
EP1788250A1 (fr) * 2005-11-22 2007-05-23 J&E Hall Limited Procédé et appareil pour la reconstruction d'un compresseur

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012159826A1 *

Also Published As

Publication number Publication date
WO2012159826A1 (fr) 2012-11-29
EP2710312B1 (fr) 2021-05-19
US20140216099A1 (en) 2014-08-07
CH704990A1 (de) 2012-11-30

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