EP1550832A1 - Système frigorifique (de type complexe) et procédé d'utilisation d'un système frigorifique (de type complexe) - Google Patents

Système frigorifique (de type complexe) et procédé d'utilisation d'un système frigorifique (de type complexe) Download PDF

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Publication number
EP1550832A1
EP1550832A1 EP04028680A EP04028680A EP1550832A1 EP 1550832 A1 EP1550832 A1 EP 1550832A1 EP 04028680 A EP04028680 A EP 04028680A EP 04028680 A EP04028680 A EP 04028680A EP 1550832 A1 EP1550832 A1 EP 1550832A1
Authority
EP
European Patent Office
Prior art keywords
level
oil
compressors
container
line
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
EP04028680A
Other languages
German (de)
English (en)
Other versions
EP1550832B1 (fr
Inventor
Michael Cellar
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.)
Carrier Kaeltetechnik Deutschland GmbH
Original Assignee
Linde Kaeltetechnik 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 Kaeltetechnik GmbH filed Critical Linde Kaeltetechnik GmbH
Publication of EP1550832A1 publication Critical patent/EP1550832A1/fr
Application granted granted Critical
Publication of EP1550832B1 publication Critical patent/EP1550832B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/02—Lubrication
    • F04B39/0207—Lubrication with lubrication control systems
    • 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
    • F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
    • 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
    • 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
    • F25B2400/075—Details of compressors or related parts with parallel compressors
    • 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
    • F25B2500/16—Lubrication

Definitions

  • the invention relates to a composite (refrigeration) system, comprising several, two or more levels arranged compressors, which arranged on a plane Compressors are connected to each other via an oil equalization line.
  • the invention relates to a method for operating such plant Compound (refrigeration).
  • container in addition to conventional Containers also suitable recording or (intermediate) storage devices, such as For example, pieces of pipe, for the recording or (intermediate) storage of Liquid quantities are suitable to understand.
  • composite (cold) plant is one as described below Compound refrigeration system as well as compound systems, the compression of any media for serve other purposes, to understand.
  • German Patent Applications 198 23 524 and 198 23 525 disclose methods for oil equalization between compressors, which are arranged on a plane known. Problematic is an oil balance between several Verêtm whenever the compressors are arranged on two or more levels. An arrangement more compressors on two or more levels is particularly advantageous or even required if a large number of compressors on one comparatively small footprint must be accommodated. This is for example, in narrow engine rooms or in an outdoor installation, ie then, if the compressors in a housing - possibly together with the or the condensers - are arranged, the case.
  • Object of the present invention is to provide a generic Composite (cold) plant and a generic method for operating a specify such composite (refrigeration) system, in or on the use wear-prone and trouble-prone ⁇ laptreguliersysteme omitted, the Lubricating oil supply of all compressors made more reliable and the manufacturing costs can be lowered.
  • each of the two levels E1 and E2 are three compressors V1, V2 and V3 (level E1) and V4, V5 and V6 (level E2) arranged.
  • the compressors of a composite (refrigeration) plant can also be used in three, four or three more levels are arranged.
  • per level in principle, one any number of compressors are provided. Also, on the individual Planes different compressors are used, only they should - if possible - be of the same design.
  • Per level E1 or E2 is now according to the invention now at least one container B1 or B2 provided. These containers B1 and B2 are dimensioned such that they to record at least the minimum oil fill required per level E1 or E2 capital.
  • the containers B1 and B2 are above the respective oil equalization lines. 1 (and line section 3) and 2 with their associated compressors V1 to V3 or V4 to V6 connected to their level.
  • the lines 1 and 2 preferably run centrally to the sight glasses of Compressors V1, V2 and V3 or V4, V5 and V6.
  • the containers B1 and B2 are also in advantageously in the middle between the compressors V1, V2 and V3 or V4, V5 and V6 their level E1 or E2 arranged.
  • the puncture of lines 3 and 2 in the container B1 and B2 is preferably carried out centrally to the sight glasses of the compressor V1, V2 and V3 or V4, V5 and V6. This will ensure that the oil level in the containers B1 or B2 approximately equal to that in the compressors V1, V2 and V3 or V4, V5 and V6 prevailing oil levels.
  • shut-off device a is usually as a shut-off valve, preferably as a Solenoid valve, be formed.
  • the container B1 is the lowest level E1 via a pressure line 4 with the Pressure side of the Verbund (refrigeration) system can be shut off - as a rule realized by a Shut-off device b - connected.
  • the two containers B1 and B2 are in turn connected via a connecting line 5 connected with each other.
  • the connecting line 5 can be made lockable be; not shown in the figure.
  • the connecting line 5 is in this case on the container B2 of the upper level E2 to arrange that the container B2 during the oil balance only up to that in the upper level E2 required oil level is emptied.
  • the composite (refrigeration) plant according to the invention is further proposed that at least one of the containers via a suction line with the suction side of Composite (cold) system is connected lockable.
  • the suction line (s) must or must be lockable, since during operation different pressure levels in the compressor housings and the suction line.
  • both containers B1 and B2 are over Suction lines 6 and 7, in each of which a shut-off c or d arranged is connected.
  • Connecting the container B1 and / or B2 via suction lines 6 and 7 with the suction side of the composite (refrigeration) plant serves the purpose of the or the container To be able to degas B1 and B2. This may be necessary if the inventive composite (cold) system, for example, at high Operating ambient temperature and it is to evaporate the Refrigerants (mixtures) s comes from the oil.
  • This evaporated refrigerant (mixture) can then be derived via the suction lines 6 and 7 to the suction side, whereby a trouble-free oil balance between the Verêtm and individual Levels can be guaranteed. It has been shown that in normal Room temperatures this degassing is usually not required.
  • the composite (refrigeration) plant according to the invention is the compressor V1, V2 and V3 or V4, V5 and V6 one level respectively Assigned to the oil level regulation system.
  • V1, V2 and V3 or V4, V5 and V6 one level respectively Assigned to the oil level regulation system.
  • all the state of the Technology-counting oil level control systems are used.
  • one or more Compressors V4, V5 and / or V6 of the upper level E2 are put into operation.
  • the arranged in the pressure line 4 shut-off b remains so long opened until the possibly required oil balance between the containers B1 and B2 or the planes E1 and E2 and the compressors V4, V5 and V6 is done.
  • the compressors remain V4, V5 and V6 of the upper level E2 preferably still switched off, so that (also) between a sufficient oil balance can take place. Unless in the upper level E2 too much oil is present, this passes through the connecting line 5 again in the lower container B1 and to the lower level E1.
  • Compressor V1, V2 and / or V3 of the lower level E1 are operated stands at least part of the refrigeration capacity to be provided by means of the composite refrigeration system again available.
  • the method according to the invention described above is always realized if by appropriate measures in at least one of the compressors V1, V2, ... an oil shortage is detected.
  • the initiation can also an oil equalization phase manually and / or automatically performed. moreover is usually compulsory at certain, adjustable intervals Oil equalization initiated.
  • the composite (refrigeration) system according to the invention and the method according to the invention to operate a composite (refrigeration) plant create over the prior art significant improvements, as on wear-prone and trouble-prone ⁇ laptreguliersysteme can be omitted. This will reduce the manufacturing costs inventive compound (refrigeration) systems lowered and at the same time becomes a Reliable lubricating oil supply all compressors of the invention Composite (refrigeration) system guaranteed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Lubricants (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Cultivation Of Plants (AREA)
EP04028680A 2003-12-10 2004-12-03 Système frigorifique (de type complexe) et procédé d'utilisation d'un système frigorifique (de type complexe) Not-in-force EP1550832B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10357556A DE10357556A1 (de) 2003-12-10 2003-12-10 Verbund(kälte)anlage und Verfahren zum Betreiben einer Verbund(kälte)anlage
DE10357556 2003-12-10

Publications (2)

Publication Number Publication Date
EP1550832A1 true EP1550832A1 (fr) 2005-07-06
EP1550832B1 EP1550832B1 (fr) 2006-10-18

Family

ID=34559760

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04028680A Not-in-force EP1550832B1 (fr) 2003-12-10 2004-12-03 Système frigorifique (de type complexe) et procédé d'utilisation d'un système frigorifique (de type complexe)

Country Status (4)

Country Link
EP (1) EP1550832B1 (fr)
AT (1) ATE343107T1 (fr)
DE (2) DE10357556A1 (fr)
ES (1) ES2274374T3 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2034258A1 (fr) * 2007-09-07 2009-03-11 Electricité de France Dispositif et procédé d'équilibrage d'huile entre compresseurs
EP2034256A1 (fr) * 2007-09-07 2009-03-11 Electricité de France Procede et dispositif d'equilibrage d'huile entre compresseurs
WO2009039873A1 (fr) * 2007-09-28 2009-04-02 Carrier Corporation Circuit de réfrigérant et procédé pour gérer de l'huile dans celui-ci
WO2011101029A1 (fr) * 2010-02-17 2011-08-25 Carrier Corporation Système frigorifique et procédé d'équilibrage des niveaux d'huile entre les compresseurs d'un système frigorifique
WO2013007310A1 (fr) * 2011-07-14 2013-01-17 Carrier Corporation Circuit de réfrigération à compensation d'huile
WO2014154046A1 (fr) * 2013-03-29 2014-10-02 艾默生环境优化技术(苏州)有限公司 Système de compresseur et procédé de commande associé
DE102013014543A1 (de) * 2013-09-03 2015-03-05 Stiebel Eltron Gmbh & Co. Kg Wärmepumpenvorrichtung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500962A (en) * 1969-05-01 1970-03-17 Vilter Manufacturing Corp Lubrication system for compressors
EP0607101A1 (fr) * 1993-01-14 1994-07-20 Birton A/S Système de retour d'huile de lubrification pour compresseur frigorifique
EP0961090A2 (fr) * 1998-05-26 1999-12-01 Linde Aktiengesellschaft Installation frigorifique combinée et procédé pour faire fonctionner une installation frigorifique combinée

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3500962A (en) * 1969-05-01 1970-03-17 Vilter Manufacturing Corp Lubrication system for compressors
EP0607101A1 (fr) * 1993-01-14 1994-07-20 Birton A/S Système de retour d'huile de lubrification pour compresseur frigorifique
EP0961090A2 (fr) * 1998-05-26 1999-12-01 Linde Aktiengesellschaft Installation frigorifique combinée et procédé pour faire fonctionner une installation frigorifique combinée

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2034258A1 (fr) * 2007-09-07 2009-03-11 Electricité de France Dispositif et procédé d'équilibrage d'huile entre compresseurs
EP2034256A1 (fr) * 2007-09-07 2009-03-11 Electricité de France Procede et dispositif d'equilibrage d'huile entre compresseurs
FR2920838A1 (fr) * 2007-09-07 2009-03-13 Electricite De France Dispositif et procede d'equilibrage d'huile entre compresseurs
FR2920839A1 (fr) * 2007-09-07 2009-03-13 Electricite De France Procede et dispositif d'equilibrage d'huile entre compresseurs
WO2009039873A1 (fr) * 2007-09-28 2009-04-02 Carrier Corporation Circuit de réfrigérant et procédé pour gérer de l'huile dans celui-ci
CN101809384B (zh) * 2007-09-28 2012-12-12 开利公司 制冷剂回路和用于管理制冷剂回路中的油的方法
WO2011101029A1 (fr) * 2010-02-17 2011-08-25 Carrier Corporation Système frigorifique et procédé d'équilibrage des niveaux d'huile entre les compresseurs d'un système frigorifique
WO2013007310A1 (fr) * 2011-07-14 2013-01-17 Carrier Corporation Circuit de réfrigération à compensation d'huile
CN103649653A (zh) * 2011-07-14 2014-03-19 开利公司 具有油补偿的制冷回路
CN103649653B (zh) * 2011-07-14 2016-03-23 开利公司 具有油补偿的制冷回路
WO2014154046A1 (fr) * 2013-03-29 2014-10-02 艾默生环境优化技术(苏州)有限公司 Système de compresseur et procédé de commande associé
DE102013014543A1 (de) * 2013-09-03 2015-03-05 Stiebel Eltron Gmbh & Co. Kg Wärmepumpenvorrichtung

Also Published As

Publication number Publication date
DE502004001792D1 (de) 2006-11-30
ES2274374T3 (es) 2007-05-16
DE10357556A1 (de) 2005-07-14
EP1550832B1 (fr) 2006-10-18
ATE343107T1 (de) 2006-11-15

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