EP3136020B1 - Zweistufige kompressionskälteanlage - Google Patents

Zweistufige kompressionskälteanlage Download PDF

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Publication number
EP3136020B1
EP3136020B1 EP16185537.4A EP16185537A EP3136020B1 EP 3136020 B1 EP3136020 B1 EP 3136020B1 EP 16185537 A EP16185537 A EP 16185537A EP 3136020 B1 EP3136020 B1 EP 3136020B1
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EP
European Patent Office
Prior art keywords
stage compressor
gas
oil
closed housing
low
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.)
Active
Application number
EP16185537.4A
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English (en)
French (fr)
Other versions
EP3136020A1 (de
Inventor
Takeshi Takeda
Akio KAWANISHI
Kenichi Murakami
Hitonobu SATO
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.)
Mitsubishi Heavy Industries Thermal Systems Ltd
Original Assignee
Mitsubishi Heavy Industries Thermal Systems Ltd
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Publication of EP3136020A1 publication Critical patent/EP3136020A1/de
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Publication of EP3136020B1 publication Critical patent/EP3136020B1/de
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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
    • F25B31/02—Compressor arrangements of motor-compressor units
    • 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
    • F04B39/0223—Lubrication characterised by the compressor type
    • F04B39/023—Hermetic compressors
    • F04B39/0238—Hermetic compressors with oil distribution channels
    • F04B39/0246—Hermetic compressors with oil distribution channels in the rotating shaft
    • 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
    • F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
    • 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
    • F04B39/16—Filtration; Moisture separation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/005—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of dissimilar working principle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008—Hermetic pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/02—Lubrication; Lubricant separation
    • F04C29/026—Lubricant separation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/04—Heating; Cooling; Heat insulation
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
    • F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
    • F04C18/356—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
    • 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
    • F25B2400/13—Economisers
    • 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
    • F25B2400/23—Separators
    • 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

Claims (3)

  1. Zweistufige Kompressionskälteanlage (1) mit einem Kältemittelkreislauf (10), die Folgendes umfasst:
    einen zweistufigen Kompressor (2), der einen Niederdruckkompressor (21) in einem unteren Abschnitt, einen Hochdruckkompressor (22) in einem oberen Abschnitt und einen Elektromotor (23) in einem Zwischenabschnitt in einem geschlossenen Gehäuse (20) aufweist, wobei der zweistufige Kompressor (2) so konfiguriert ist, dass er ein vom Niederdruckkompressor (21) verdichtetes Mitteldruckkältemittel in das geschlossene Gehäuse (20) entlädt und das Mitteldruckkältemittel durch den Hochdruckkompressor (22) ansaugt und verdichtet und dann das resultierende Kältemittel entlädt;
    eine Ölabscheidevorrichtung (3), die an einer Ablaufleitung vom zweistufigen Kompressor (2) vorhanden und so konfiguriert ist, dass sie das in verdichtetem Kältemittelgas enthaltene Öl abscheidet;
    eine Ölrücklaufleitung (13), die so konfiguriert ist, dass sie das durch die Ölabscheidevorrichtung (3) abgeschiedene Öl unter einem Zwischendruck in das geschlossene Gehäuse (20) zurückführt;
    einen Gaskühler (4), der so konfiguriert ist, dass er das Kältemittelgas kühlt, nachdem das Öl durch die Ölabscheidevorrichtung (3) abgeschieden wurde,
    eine Gas-Flüssigkeits-Abscheidevorrichtung (6), die so konfiguriert ist, dass das durch den Gaskühler (4) gekühlte Kältemittel in Gas und Flüssigkeit abgeschieden wird, oder einen internen Wärmetauscher, der so konfiguriert ist, dass er das durch den Gaskühler (4) gekühlte Kältemittel teilweise spaltet, um mit dem gespalteten Kältemittel ein durch den Kältemittelkreislauf (10) strömendes Kältemittel zu unterkühlen, und
    eine Gaseinspritzleitung (14), die so konfiguriert ist, dass sie ein Mitteldruck-Kältemittelgas aus der Gas-Flüssigkeits-Abscheidevorrichtung (6) oder aus dem internen Wärmetauscher in das geschlossene Gehäuse (20) des zweistufigen Kompressors (2) einspritzt, wobei die Gas-Flüssigkeits-Abscheidevorrichtung (6) oder der interne Wärmetauscher einen Vorwärmer bildet, der stromabwärts vom Gaskühler (4) am Kühlmittelkreislauf (10) vorhanden ist,
    dadurch gekennzeichnet, dass die Ölrücklaufleitung (13) und die Gaseinspritzleitung (14) einzeln mit einem Raumabschnitt (20A) zwischen dem Niederdruckkompressor (21) und dem Elektromotor (23) im geschlossenen Gehäuse (20) in Verbindung stehen.
  2. Zweistufige Kompressionskälteanlage (1) nach Anspruch 1, die ferner eine Saugleitung (9B) umfasst, wobei die Ölrücklaufleitung (13) mit dem geschlossenen Gehäuse (20) in einer gegenüberliegenden Position in Verbindung steht, die einer Anschlussposition der Saugleitung (9B) mit dem Niederdruckkompressor (21) zugewandt ist, und die Gaseinspritzleitung (14) mit dem geschlossenen Gehäuse (20) in einer gegenüberliegenden Position in Verbindung steht, die einer Verbindungsposition der Ölrücklaufleitung (13) zugewandt ist.
  3. Zweistufige Kompressionskälteanlage nach Anspruch 1, die ferner eine Saugleitung (9B) und eine Entladungskammer (41) umfasst, oder nach Anspruch 2, die ferner eine Entladungskammer (41) umfasst, wobei der Niederdruckkompressor (21) des zweistufigen Kompressors (2) ein Rotationskompressor ist, der so konfiguriert ist, dass er ein Niederdruck-Kältemittelgas direkt durch die Saugleitung (9B) saugt und
    ein verdichtetes Mitteldruck-Kältemittelgas in das geschlossene Gehäuse (20) entlädt, und der Hochdruckkompressor (22) ein Scroll-Verdichter ist, der so konfiguriert ist, dass er das Mitteldruck-Kältemittelgas in das geschlossene Gehäuse (20) ansaugt und verdichtet, ein Hochdruck-Kältemittelgas in die Entladungskammer (41) leitet und das Hochdruck-Kältemittelgas direkt aus dem Kompressor (2) entlädt.
EP16185537.4A 2015-08-27 2016-08-24 Zweistufige kompressionskälteanlage Active EP3136020B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2015167987A JP6594707B2 (ja) 2015-08-27 2015-08-27 ２段圧縮冷凍システム

Publications (2)

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EP3136020A1 EP3136020A1 (de) 2017-03-01
EP3136020B1 true EP3136020B1 (de) 2019-04-17

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Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111108333B (zh) * 2017-09-28 2021-11-30 三菱电机株式会社 油分离器以及具备油分离器的空调机
BR112020017944A2 (pt) * 2018-03-27 2020-12-22 Bitzer Kühlmaschinenbau Gmbh Sistema de refrigeração
DE102018208970A1 (de) * 2018-06-06 2019-12-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verdichter, Warmepumpe oder Klimaanlage oder Kaltemaschine und Verfahren zum Verdichten
TWI668373B (zh) 2018-08-01 2019-08-11 復盛股份有限公司 雙級壓縮機
EP3859233B1 (de) * 2018-09-28 2023-04-26 Daikin Industries, Ltd. Mehrstufiges kompressionssystem
JP6773095B2 (ja) 2018-09-28 2020-10-21 ダイキン工業株式会社 多段圧縮システム
JP6702400B1 (ja) * 2018-12-13 2020-06-03 ダイキン工業株式会社 多段圧縮システム
EP3859232A4 (de) 2018-09-28 2021-10-27 Daikin Industries, Ltd. Mehrstufiges kompressionssystem
WO2020067196A1 (ja) 2018-09-28 2020-04-02 ダイキン工業株式会社 多段圧縮システム
CN109404279A (zh) * 2018-10-10 2019-03-01 合肥通用机械研究院有限公司 带有电机腔冷却的热泵压缩机及其系统
CN111963437B (zh) * 2019-07-31 2022-11-04 宁波鲍斯能源装备股份有限公司 一种一体式螺杆涡旋双级压缩机
JP7391811B2 (ja) * 2020-09-29 2023-12-05 三菱重工サーマルシステムズ株式会社 冷凍機械
CN112815584B (zh) * 2021-02-24 2023-05-23 孟雷 一种低充注量的满液供液系统及其回油方法
JP2022181836A (ja) 2021-05-27 2022-12-08 三菱重工サーマルシステムズ株式会社 多段圧縮冷凍装置
JP2022181837A (ja) 2021-05-27 2022-12-08 三菱重工サーマルシステムズ株式会社 多段圧縮冷凍装置
CN113669936A (zh) * 2021-07-06 2021-11-19 北京国家速滑馆经营有限责任公司 一种用于二氧化碳跨临界制冷系统的回油系统
CN113883600B (zh) * 2021-11-01 2023-02-10 湖北璞瑞斯节能技术服务有限公司 一种空调双压缩机制冷系统及空调

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3903409B2 (ja) * 2000-03-29 2007-04-11 三菱電機株式会社 二段圧縮冷凍機
JP4949817B2 (ja) * 2006-12-08 2012-06-13 三菱重工業株式会社 多段圧縮機およびそれを用いた冷凍サイクル
JP4875484B2 (ja) * 2006-12-28 2012-02-15 三菱重工業株式会社 多段圧縮機
JP5112090B2 (ja) * 2008-01-29 2013-01-09 三菱重工業株式会社 スクロール圧縮機
JP5586880B2 (ja) 2009-06-23 2014-09-10 三洋電機株式会社 冷凍装置
JP5705455B2 (ja) 2010-04-28 2015-04-22 三菱重工業株式会社 Ｃｏ２冷媒を用いたヒートポンプ給湯装置
JP5430598B2 (ja) * 2011-03-28 2014-03-05 三菱電機株式会社 冷凍サイクル装置
WO2013073064A1 (ja) * 2011-11-18 2013-05-23 三洋電機株式会社 冷凍装置
CN105849483A (zh) * 2013-11-25 2016-08-10 可口可乐公司 具有油分离器的压缩机

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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Publication number Publication date
JP6594707B2 (ja) 2019-10-23
EP3136020A1 (de) 2017-03-01
JP2017044420A (ja) 2017-03-02

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