JP2006329557A - スクリュ冷凍装置 - Google Patents
スクリュ冷凍装置 Download PDFInfo
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- JP2006329557A JP2006329557A JP2005155862A JP2005155862A JP2006329557A JP 2006329557 A JP2006329557 A JP 2006329557A JP 2005155862 A JP2005155862 A JP 2005155862A JP 2005155862 A JP2005155862 A JP 2005155862A JP 2006329557 A JP2006329557 A JP 2006329557A
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- JP
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- Prior art keywords
- refrigerant
- screw
- economizer
- gas
- 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.)
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Classifications
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- 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
- F04C29/042—Heating; Cooling; Heat insulation by injecting a fluid
-
- 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
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- 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
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
-
- 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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
-
- 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
- F25B31/006—Cooling of compressor or motor
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- 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
- F04C2210/00—Fluid
- F04C2210/26—Refrigerants with particular properties, e.g. HFC-134a
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2509—Economiser valves
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
Abstract
【解決手段】スクリュ圧縮機11、凝縮器12、エコノマイザ13、主膨張弁14及び蒸発器15を含む冷媒の循環流路L1と、循環流路L1から分流した冷媒を、補助膨張弁13aを経由させた後、循環流路L1の冷媒と熱交換させるエコノマイザ13における過冷却流路L2からスクリュ圧縮機11を駆動するモータ11cの冷却ジャケット23の流入口23aに至るエコノマイザ流路L3と、冷却ジャケット23の流出口23bからスクリュ圧縮機11内の中間圧力部33に至るガス冷却流路L4と、ガス冷却流路L4に温度検出可能に設けられ、温度に基づき、補助膨張弁13aの開度を調節し、エコノマイザ流路L3では冷媒を気液混合状態とし、ガス冷却流路L4では冷媒を気体状態とする感温筒17とを備えた構成としてある。
【選択図】 図1
Description
図1〜3は、本発明に係る第一実施形態に係るスクリュ冷凍装置1を示し、ガス圧縮部が低圧段側の第一段圧縮機本体11a及びこれに対して直列配置された高圧段側の第二段圧縮機本体11bからなるスクリュ圧縮機11と、凝縮器12とエコノマイザ13と、主膨張弁14と、蒸発器15とを含む冷媒の循環流路L1を備えている。このエコノマイザ13は補助膨張弁13aと熱交換部13bとを有するとともに、本実施形態においては、凝縮器12と熱交換部13bとの間の循環流路L1の部分から分岐させ、補助膨張弁13aを介して熱交換部13bに至らせ、ここで循環流路L1と熱交換させる過冷却流路L2を有している。
スクリュ圧縮機11は、モーターケーシング21と、これに一体結合され、このモーターケーシング21とともに半密閉構造を形成する圧縮機本体ケーシング22とを備えている。スクリュ圧縮機11のモータ11cは液冷タイプのもので、モーターケーシング21の径方向外方に位置する外周部には、これを包囲する軸垂直断面が環状で、エコノマイザL3が接続する流入口23a及びガス冷却流路L4が接続する流入口23bが形成された冷却ジャケット23が設けられている。
11 スクリュ圧縮機
11a 第一段圧縮機本体
11b 第二段圧縮機本体
11c モータ
12 凝縮器
13 エコノマイザ
13a 補助膨張弁
13b 熱交換部
14 主膨張弁
15 蒸発器
16 感温筒
17 感温筒
21 モーターケーシング
22 圧縮機本体ケーシング
23 冷却ジャケット
23a 流入口
23b 流出口
24 固定子
25 回転子
26 第一段目スクリュロータ
26a,26b ロータ軸
27 第二段目スクリュロータ
27a ロータ軸
28 出力軸
L1 循環流路
L2 過冷却流路
L3 エコノマイザ流路
L4 ガス冷却流路
Claims (3)
- スクリュ圧縮機、凝縮器、エコノマイザ、主膨張弁及び蒸発器を含む冷媒の循環流路と、
上記循環流路から分流した冷媒を、補助膨張弁を経由させた後、上記循環流路の冷媒と熱交換させる上記エコノマイザにおける過冷却流路から上記スクリュ圧縮機を駆動するモータの冷却ジャケットの流入口に至るエコノマイザ流路と、
上記冷却ジャケットの流出口から上記スクリュ圧縮機内の吸込口及び吐出口の間で、これらのいずれにも連通しない中間圧力部に至るガス冷却流路と、
このガス冷却流路に温度検出可能に設けられ、検出温度に基づき、上記補助膨張弁の開度を調節し、上記エコノマイザ流路では冷媒を気液混合状態とし、上記ガス冷却流路では冷媒を気体状態とする感温筒とを備えたことを特徴とするスクリュ冷凍装置。 - 上記スクリュ圧縮機におけるガス圧縮部が、直列配置された複数の圧縮機本体からなることを特徴とする請求項1に記載のスクリュ冷凍装置。
- 上記スクリュ圧縮機におけるガス圧縮部が、単一の圧縮機本体からなることを特徴とする請求項1に記載のスクリュ冷凍装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005155862A JP2006329557A (ja) | 2005-05-27 | 2005-05-27 | スクリュ冷凍装置 |
KR1020060039135A KR100724655B1 (ko) | 2005-05-27 | 2006-05-01 | 스크류 냉동 장치 |
CNB2006100878929A CN100410596C (zh) | 2005-05-27 | 2006-05-29 | 螺旋式冷冻装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005155862A JP2006329557A (ja) | 2005-05-27 | 2005-05-27 | スクリュ冷凍装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2006329557A true JP2006329557A (ja) | 2006-12-07 |
Family
ID=37443281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005155862A Pending JP2006329557A (ja) | 2005-05-27 | 2005-05-27 | スクリュ冷凍装置 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP2006329557A (ja) |
KR (1) | KR100724655B1 (ja) |
CN (1) | CN100410596C (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011508182A (ja) * | 2007-12-31 | 2011-03-10 | ジョンソン コントロールズ テクノロジー カンパニー | ロータの冷却方法及びシステム |
JP2011237127A (ja) * | 2010-05-11 | 2011-11-24 | Mitsubishi Electric Corp | 冷凍装置 |
US9182161B2 (en) | 2010-09-30 | 2015-11-10 | Mitsubishi Heavy Industries, Ltd. | Turbo refrigeration unit, control device therefor, and control method therefor |
CN114811984A (zh) * | 2022-04-29 | 2022-07-29 | 珠海格力电器股份有限公司 | 一种压缩机和压缩机空调系统 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5496182B2 (ja) * | 2009-03-26 | 2014-05-21 | 三菱電機株式会社 | 冷凍機 |
JP6373034B2 (ja) * | 2014-03-31 | 2018-08-15 | 三菱電機株式会社 | 冷凍機 |
CN108603696B (zh) * | 2016-02-08 | 2020-06-12 | 松下知识产权经营株式会社 | 冷冻装置 |
CN105910339B (zh) * | 2016-06-08 | 2017-12-08 | 郑州轻工业学院 | 一种双螺杆压缩机补气压力控制系统及方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10227535A (ja) * | 1997-02-17 | 1998-08-25 | Kobe Steel Ltd | スクリュ式冷凍機 |
JP2000179486A (ja) * | 1998-12-14 | 2000-06-27 | Ebara Corp | 冷凍機用半密閉スクリュー圧縮機 |
Family Cites Families (8)
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JPS6435018A (en) * | 1987-07-30 | 1989-02-06 | Mazda Motor | Supercharging pressure controller of engine |
US5088304A (en) * | 1990-10-15 | 1992-02-18 | Schlichtig Ralph C | Heat transfer system with recovery means |
DE69414077T2 (de) * | 1993-12-14 | 1999-06-10 | Carrier Corp | Betrieb eines Economisers für Anlagen mit zweistufigem Verdichter |
JP3443443B2 (ja) * | 1993-12-24 | 2003-09-02 | 株式会社神戸製鋼所 | スクリュ式冷凍機 |
EP0741851B1 (en) * | 1994-02-03 | 1998-11-04 | Svenska Rotor Maskiner Ab | Refrigeration system and a method for regulating the refrigeration capacity of such a system |
US5603227A (en) * | 1995-11-13 | 1997-02-18 | Carrier Corporation | Back pressure control for improved system operative efficiency |
JP2003021089A (ja) * | 2001-07-03 | 2003-01-24 | Kobe Steel Ltd | 2段圧縮冷凍機およびその運転方法 |
JP2004350466A (ja) * | 2003-05-26 | 2004-12-09 | Kobe Steel Ltd | 液冷式モータ |
-
2005
- 2005-05-27 JP JP2005155862A patent/JP2006329557A/ja active Pending
-
2006
- 2006-05-01 KR KR1020060039135A patent/KR100724655B1/ko not_active IP Right Cessation
- 2006-05-29 CN CNB2006100878929A patent/CN100410596C/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10227535A (ja) * | 1997-02-17 | 1998-08-25 | Kobe Steel Ltd | スクリュ式冷凍機 |
JP2000179486A (ja) * | 1998-12-14 | 2000-06-27 | Ebara Corp | 冷凍機用半密閉スクリュー圧縮機 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011508182A (ja) * | 2007-12-31 | 2011-03-10 | ジョンソン コントロールズ テクノロジー カンパニー | ロータの冷却方法及びシステム |
JP2014006046A (ja) * | 2007-12-31 | 2014-01-16 | Johnson Controls Technology Co | ロータの冷却方法及びシステム |
KR101570235B1 (ko) | 2007-12-31 | 2015-11-18 | 존슨 컨트롤스 테크놀러지 컴퍼니 | 로터 냉각 방법 및 장치 |
JP2011237127A (ja) * | 2010-05-11 | 2011-11-24 | Mitsubishi Electric Corp | 冷凍装置 |
US9182161B2 (en) | 2010-09-30 | 2015-11-10 | Mitsubishi Heavy Industries, Ltd. | Turbo refrigeration unit, control device therefor, and control method therefor |
CN114811984A (zh) * | 2022-04-29 | 2022-07-29 | 珠海格力电器股份有限公司 | 一种压缩机和压缩机空调系统 |
Also Published As
Publication number | Publication date |
---|---|
CN100410596C (zh) | 2008-08-13 |
KR20060122699A (ko) | 2006-11-30 |
KR100724655B1 (ko) | 2007-06-04 |
CN1869550A (zh) | 2006-11-29 |
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