EP1050725B1 - Système frigorifique - Google Patents

Système frigorifique Download PDF

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Publication number
EP1050725B1
EP1050725B1 EP00109557A EP00109557A EP1050725B1 EP 1050725 B1 EP1050725 B1 EP 1050725B1 EP 00109557 A EP00109557 A EP 00109557A EP 00109557 A EP00109557 A EP 00109557A EP 1050725 B1 EP1050725 B1 EP 1050725B1
Authority
EP
European Patent Office
Prior art keywords
line
refrigeration system
condenser
refrigeration
region
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.)
Expired - Lifetime
Application number
EP00109557A
Other languages
German (de)
English (en)
Other versions
EP1050725A3 (fr
EP1050725A2 (fr
Inventor
Klaus Koch
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.)
Linde GmbH
Original Assignee
Linde GmbH
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 Linde GmbH filed Critical Linde GmbH
Publication of EP1050725A2 publication Critical patent/EP1050725A2/fr
Publication of EP1050725A3 publication Critical patent/EP1050725A3/fr
Application granted granted Critical
Publication of EP1050725B1 publication Critical patent/EP1050725B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B31/00—Compressor arrangements
    • F25B31/002—Lubrication
    • F25B31/004—Lubrication oil recirculating arrangements
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line arrangements
    • 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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
    • 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
    • F25B2400/22—Refrigeration systems for supermarkets
    • 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
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers

Definitions

  • the invention relates to a refrigeration system with at least one cooling circuit, which at least one condenser, at least one refrigeration consumer and at least has a compressor, the refrigerant via at least one riser is supplied to the condenser.
  • a refrigeration system is e.g. from the DE-A-32 22 641 known.
  • Refrigeration systems of the generic type are used, for example, in supermarkets operated. They generally supply a variety of cold consumers, such as such as cold rooms, refrigerators and freezers. For this purpose, a or circulates in them multi-component refrigerant or refrigerant mixture.
  • Such a refrigeration system As is known for example from DE-PS 39 28 430 - has one Condenser in which the pressurized refrigerant through indirect heat exchange, preferably condensed against outside air.
  • the liquid refrigerant from the condenser is fed to a collection container.
  • the excess refrigerant must be during of these times are collected in the designated container.
  • the refrigerant is supplied to the refrigeration consumers from the collection container.
  • Each The cooling consumer is an expansion device, preferably an expansion valve upstream or assigned, in which the refrigeration consumer or the refrigerant flowing through the evaporator (s) of the refrigerant consumer is expanded.
  • the refrigerant that has been released in this way is used in the evaporators of the refrigerant consumers evaporates and cools the corresponding refrigeration furniture and rooms.
  • the refrigerant evaporated in this way is then passed through a suction line Compressor unit supplied These compressor units can have one or more stages be trained.
  • the individual compressor stages usually have several in parallel switched compressor. These compress and convey the refrigerant a riser in turn to the previously mentioned condenser.
  • the compressor unit is usually in a basement, for example machine is located in a supermarket
  • the condenser is located on the roof of the supermarket, which is why the above-mentioned riser must be provided.
  • the object of the present invention is to provide a refrigeration system of the generic type specify, in which the disadvantages mentioned are avoided.
  • a refrigeration system which is thereby is characterized in that the riser has a substantially horizontal, one Has sink area, and out of this a line that into one of the condenser area leading away from the condenser branches.
  • the figure does not show the entire cooling circuit of a refrigeration system represented from the condenser, if necessary the collecting container, the refrigeration consumer and the compressor, but only a section of the riser 1 leading to the condenser, wherein this, according to the invention, a substantially horizontal, a depression having area 2.
  • the oil contained in the refrigerant now remains stick to the inside of the riser pipe, it collects - represented by the " ⁇ lsee 5" after flowing down on the inside of the pipe in depression 2. This is preferably to be designed so that an overflow of the oil 5 in the direction of the Compressor - that is, against the flow direction of the refrigerant - is avoided.
  • At least one of the risers 1 has a region 2 which runs essentially horizontally and has a depression on, from which a line 4 which leads away from the condenser Line area 3 opens, branches
  • the line 4 at least one shut-off device, preferably a valve, and / or at least one Flow meter has
  • the line 4 is only used for oil compensation, its line diameter can be smaller than the pipe diameter of the riser 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Claims (5)

  1. Installation frigorifique comprenant au moins un circuit de refroidissement, qui présente au moins un condenseur, au moins un consommateur de froid et au moins un compresseur, le fluide caloporteur étant acheminé par le biais d'au moins une conduite de refoulement au condenseur, caractérisée en ce que la conduite de refoulement (1) présente une partie (2) s'étendant essentiellement horizontalement, présentant une dépression, et une conduite (4) par de celle-ci, laquelle débouche dans une partie de conduite (3) s'éloignant du condenseur.
  2. Installation frigorifique selon la revendication 1, dans laquelle plusieurs conduites de refoulement (1) sont prévues, caractérisée en ce qu'au moins l'une des conduites de refoulement (1) présente une partie (2) s'étendant essentiellement horizontalement, présentant une dépression, et une conduite (4) part de celle-ci, laquelle débouche dans une partie de conduite (3) s'éloignant du condenseur.
  3. Installation frigorifique selon la revendication 1 ou 2, caractérisée en ce qu'elle présente un récipient collecteur monté après le condenseur et la conduite (4) débouche encore avant le réservoir collecteur dans une partie de conduite (3) s'éloignant du condenseur.
  4. Installation frigorifique selon l'une quelconque des revendications précédentes, caractérisée en ce que la conduite (4) présente au moins un organe d'arrêt, de préférence une soupape, et/ou au moins un dispositif de mesure du débit.
  5. Installation frigorifique selon l'une quelconque des revendications précédentes, caractérisée en ce que le diamètre de la conduite (4) est inférieur au diamètre de la conduite de refoulement (1).
EP00109557A 1999-05-05 2000-05-04 Système frigorifique Expired - Lifetime EP1050725B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19920727 1999-05-05
DE19920727A DE19920727A1 (de) 1999-05-05 1999-05-05 Kälteanlage

Publications (3)

Publication Number Publication Date
EP1050725A2 EP1050725A2 (fr) 2000-11-08
EP1050725A3 EP1050725A3 (fr) 2001-02-07
EP1050725B1 true EP1050725B1 (fr) 2003-08-27

Family

ID=7907085

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00109557A Expired - Lifetime EP1050725B1 (fr) 1999-05-05 2000-05-04 Système frigorifique

Country Status (3)

Country Link
EP (1) EP1050725B1 (fr)
AT (1) ATE248334T1 (fr)
DE (2) DE19920727A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109612164A (zh) * 2019-02-26 2019-04-12 江苏世林博尔制冷设备有限公司 一种内置油分离器式水冷凝器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3222641A1 (de) * 1982-06-16 1983-12-22 Erich Schultze KG, 1000 Berlin Kaelteanlage
US4554795A (en) * 1983-11-14 1985-11-26 Tyler Refrigeration Corporation Compressor oil return system for refrigeration apparatus and method
JPH02293570A (ja) * 1989-05-08 1990-12-04 Nippondenso Co Ltd 冷媒凝縮器
DE3928430C1 (fr) * 1989-08-28 1991-03-07 Linde Ag, 6200 Wiesbaden, De
DE4140625C2 (de) * 1991-12-10 1993-11-25 Ilka Maschinenfabrik Halle Gmb Einrichtung zur Regelung der Ölrückführung bei einer Kompressionskälteanlage
DE9202439U1 (de) * 1992-02-26 1992-06-25 Stal-Astra GmbH Kälteanlagen, 2056 Glinde Vorrichtung zur Erzeugung von Kälte
US5355695A (en) * 1992-11-30 1994-10-18 Mitsubishi Denki Kabushiki Kaisha Refrigeration device using hydrofluorocarbon refrigerant
US5505060A (en) * 1994-09-23 1996-04-09 Kozinski; Richard C. Integral evaporator and suction accumulator for air conditioning system utilizing refrigerant recirculation
US5875640A (en) * 1997-10-10 1999-03-02 Hill; Herbert L. Multi-story air conditioning system with oil return means

Also Published As

Publication number Publication date
EP1050725A3 (fr) 2001-02-07
ATE248334T1 (de) 2003-09-15
DE19920727A1 (de) 2000-11-09
EP1050725A2 (fr) 2000-11-08
DE50003412D1 (de) 2003-10-02

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