EP0961090B1 - Verbund(kälte)anlage und Verfahren zum Betreiben einer Verbund(kälte)anlage - Google Patents
Verbund(kälte)anlage und Verfahren zum Betreiben einer Verbund(kälte)anlage Download PDFInfo
- Publication number
- EP0961090B1 EP0961090B1 EP99108910A EP99108910A EP0961090B1 EP 0961090 B1 EP0961090 B1 EP 0961090B1 EP 99108910 A EP99108910 A EP 99108910A EP 99108910 A EP99108910 A EP 99108910A EP 0961090 B1 EP0961090 B1 EP 0961090B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- oil
- compressors
- operating
- refrigerating installation
- compressor
- 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
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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/002—Lubrication
-
- 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
- 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
- F25B2500/27—Problems to be solved characterised by the stop of the refrigeration cycle
Definitions
- the invention relates to a method for operating a composite (cold) system at least two compressors connected in parallel.
- composite (refrigeration) system is one as described below Compound refrigeration system as well as composite systems that compress any media serve for other purposes.
- the object of the present invention is to provide a generic method for Operate a composite (refrigeration) plant to indicate the disadvantages mentioned are largely avoided.
- the inventive method for operating a composite (cold) system with At least two compressors connected in parallel are characterized in that the compressors are only switched off when all have at least one Oil compensation line interconnected compressor are in operation, the The compressor is switched off before the minimum allowable oil quantity is within of a compressor is reached.
- the compressors can also be switched off for the purpose of oil compensation then, if not all of them are connected to one another via at least one oil compensation line connected compressor are in operation.
- the compressors are switched off In this case, this is not absolutely necessary, as it becomes a problem during operation Oil balance between the compressors in operation and those not in operation comes.
- Oil compensation takes place between the individual condensers or between the condensers, between them the shut-off device provided in the oil compensation line is open during the All compressors come to a standstill. During this time it occurs in the oil reservoirs of the parallel connected compressor to a pressure equalization, which leads to that in set the same oil levels in the oil reservoirs.
- the operating times of the compressors until they are switched off are to be selected that the minimum allowable oil level inside the compressor is due to the oil displacement that does not necessarily occur during compressor operation is undercut.
- the standstill phases of the compressors must be timed in this way ensure that there is sufficient oil balance between the compressors can and a significant impairment of the cold supply by the Compressor of the composite (cold) system according to the invention is avoided.
- the inventive method for operating a composite (cold) system requires less design effort compared to the prior art. This leads to savings in investment and operating costs. Since largely on the The use of mechanically moving components can be dispensed with Operational reliability of the method according to the invention for operating a Composite (cold) system increased. The invention also enables the combination of same and different compressors.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Description
Claims (1)
- Verfahren zum Betreiben einer Verbundanlage sowie einer Verbundkälteanlage mit wenigstens zwei parallel geschalteten Verdichtem, dadurch gekennzeichnet, dass ein Abschalten der Verdichter nur dann erfolgt, wenn alle über wenigstens eine Ölausgleichsleitung miteinander verbundenen Verdichter in Betrieb sind, wobei das Abschalten der Verdichter erfolgt, bevor die zulässige Mindestölmenge innerhalb eines Verdichters erreicht ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823525 | 1998-05-26 | ||
DE19823525A DE19823525A1 (de) | 1998-05-26 | 1998-05-26 | Verbund(kälte)anlage und Verfahren zum Betreiben einer Verbund(kälte)anlage |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0961090A2 EP0961090A2 (de) | 1999-12-01 |
EP0961090A3 EP0961090A3 (de) | 2000-03-15 |
EP0961090B1 true EP0961090B1 (de) | 2004-09-29 |
Family
ID=7868980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99108910A Expired - Lifetime EP0961090B1 (de) | 1998-05-26 | 1999-05-05 | Verbund(kälte)anlage und Verfahren zum Betreiben einer Verbund(kälte)anlage |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0961090B1 (de) |
AT (1) | ATE278164T1 (de) |
DE (2) | DE19823525A1 (de) |
ES (1) | ES2229578T3 (de) |
PT (1) | PT961090E (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10015603A1 (de) | 2000-03-29 | 2001-10-04 | Linde Ag | Kälteanlage |
DE10252083A1 (de) * | 2002-11-08 | 2004-05-27 | Linde Ag | Kälteanlage |
DE10357556A1 (de) * | 2003-12-10 | 2005-07-14 | Linde Kältetechnik GmbH & Co. KG | Verbund(kälte)anlage und Verfahren zum Betreiben einer Verbund(kälte)anlage |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3633377A (en) * | 1969-04-11 | 1972-01-11 | Lester K Quick | Refrigeration system oil separator |
US3621670A (en) * | 1970-01-12 | 1971-11-23 | Vilter Manufacturing Corp | Lubricating oil equalizing system |
DE2844664A1 (de) * | 1978-10-13 | 1980-04-24 | Volkswagenwerk Ag | Verbrennungsmotorisch betriebene waermepumpe |
IT1144762B (it) * | 1981-09-07 | 1986-10-29 | Aspera Spa | Motocompressore ermetico per impianti frigoriferi e simili |
JP2865707B2 (ja) * | 1989-06-14 | 1999-03-08 | 株式会社日立製作所 | 冷凍装置 |
US5209076A (en) * | 1992-06-05 | 1993-05-11 | Izon, Inc. | Control system for preventing compressor damage in a refrigeration system |
US5369958A (en) * | 1992-10-15 | 1994-12-06 | Mitsubishi Denki Kabushiki Kaisha | Air conditioner |
DK4093A (da) * | 1993-01-14 | 1994-09-12 | Birton As | Anlæg til tilbageføring af smøreolie i kølekompressorer |
US5327997A (en) * | 1993-01-22 | 1994-07-12 | Temprite, Inc. | Lubrication management system |
US5542499A (en) * | 1995-01-11 | 1996-08-06 | Ac&R Components, Inc. | Electromechanical oil level regulator |
US5839886A (en) * | 1996-05-10 | 1998-11-24 | Shaw; David N. | Series connected primary and booster compressors |
-
1998
- 1998-05-26 DE DE19823525A patent/DE19823525A1/de not_active Ceased
-
1999
- 1999-05-05 AT AT99108910T patent/ATE278164T1/de not_active IP Right Cessation
- 1999-05-05 ES ES99108910T patent/ES2229578T3/es not_active Expired - Lifetime
- 1999-05-05 PT PT99108910T patent/PT961090E/pt unknown
- 1999-05-05 EP EP99108910A patent/EP0961090B1/de not_active Expired - Lifetime
- 1999-05-05 DE DE59910625T patent/DE59910625D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0961090A3 (de) | 2000-03-15 |
DE59910625D1 (de) | 2004-11-04 |
PT961090E (pt) | 2005-02-28 |
ES2229578T3 (es) | 2005-04-16 |
ATE278164T1 (de) | 2004-10-15 |
DE19823525A1 (de) | 1999-12-02 |
EP0961090A2 (de) | 1999-12-01 |
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