JP4473151B2 - 冷凍装置 - Google Patents
冷凍装置 Download PDFInfo
- Publication number
- JP4473151B2 JP4473151B2 JP2005025486A JP2005025486A JP4473151B2 JP 4473151 B2 JP4473151 B2 JP 4473151B2 JP 2005025486 A JP2005025486 A JP 2005025486A JP 2005025486 A JP2005025486 A JP 2005025486A JP 4473151 B2 JP4473151 B2 JP 4473151B2
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- JP
- Japan
- Prior art keywords
- stage
- condenser
- refrigeration apparatus
- stage compressor
- evaporator
- 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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- 238000005057 refrigeration Methods 0.000 title claims description 157
- 239000003507 refrigerant Substances 0.000 claims description 150
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 70
- 239000000498 cooling water Substances 0.000 claims description 45
- 229910021529 ammonia Inorganic materials 0.000 claims description 32
- 238000007906 compression Methods 0.000 description 60
- 230000006835 compression Effects 0.000 description 52
- 230000007246 mechanism Effects 0.000 description 51
- 239000007788 liquid Substances 0.000 description 26
- 239000010687 lubricating oil Substances 0.000 description 21
- 230000005494 condensation Effects 0.000 description 14
- 238000009833 condensation Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 13
- 230000008020 evaporation Effects 0.000 description 13
- 238000001704 evaporation Methods 0.000 description 13
- 238000001816 cooling Methods 0.000 description 9
- 238000007710 freezing Methods 0.000 description 8
- 230000008014 freezing Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 230000006866 deterioration Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000010792 warming Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
Images
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Description
1A 主冷凍装置
1B 副冷凍装置
2,21 ,22 蒸発器
3,31 ,32 二段圧縮機
33 単段圧縮機に切換可能な二段圧縮機
4,10 凝縮器
5,51 ,52 ,11 膨張弁
6 ガスクーラー
7,12 受液器
9 単段圧縮機
13 循環回路
14 循環ポンプ
15 冷却水ポンプ
161 ,162 止め弁
171 ,172 逆止弁
181 ,182 ,183 切換機構
191 ,192 ,193 ,194 ,195 三方弁
20 蒸発圧力調整弁
Claims (1)
- アンモニアを冷媒とし、1個もしくは複数個の二段圧縮機、1個の単段圧縮機に切換可能な二段圧縮機、1個の凝縮器、各二段圧縮機にそれぞれ対応する複数個の膨張弁および蒸発器を少なくとも備えた主冷凍装置と、アンモニアを冷媒とし、1個の単段圧縮機、凝縮器、膨張弁、蒸発器を少なくとも備えた副冷凍装置と、主冷凍装置の凝縮器および副冷凍装置の蒸発器との間に設けられ、循環ポンプを備えた凝縮器冷却水の循環回路と、単段圧縮機に切換可能な二段圧縮機および副冷凍装置の単段圧縮機との間に設けられ、単段圧縮機に切換可能な二段圧縮機の低段吸入口側および高段吐出口側と単段圧縮機の吸入口側および吐出口側をそれぞれ接続するバイパス回路と、からなり、副冷凍装置の単段圧縮機に代えて単段圧縮機に切換可能な二段圧縮機を単段圧縮機として使用して、副冷凍装置の冷媒をバイパス回路を介して副冷凍装置の凝縮器、膨張弁、蒸発器の順に循環させ、副冷凍装置の蒸発器で冷却された凝縮器冷却水を循環ポンプを介して主冷凍装置の凝縮器に供給することを特徴とする冷凍装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005025486A JP4473151B2 (ja) | 2005-02-01 | 2005-02-01 | 冷凍装置 |
CNB2005100687024A CN100513929C (zh) | 2005-02-01 | 2005-04-29 | 冷冻装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005025486A JP4473151B2 (ja) | 2005-02-01 | 2005-02-01 | 冷凍装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006214611A JP2006214611A (ja) | 2006-08-17 |
JP4473151B2 true JP4473151B2 (ja) | 2010-06-02 |
Family
ID=36907411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005025486A Active JP4473151B2 (ja) | 2005-02-01 | 2005-02-01 | 冷凍装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4473151B2 (ja) |
CN (1) | CN100513929C (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101786481B1 (ko) | 2011-11-10 | 2017-10-18 | 마에카와 매뉴팩쳐링 캄파니 리미티드 | 어선용 냉동 장치 |
KR101786563B1 (ko) * | 2012-05-02 | 2017-11-15 | 마에카와 매뉴팩쳐링 캄파니 리미티드 | 선박 탑재용 이원 냉동 장치 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2320158B1 (en) * | 2008-07-28 | 2017-11-15 | Mayekawa Mfg. Co., Ltd. | Heat pump system |
CN104501443B (zh) * | 2014-12-10 | 2016-08-24 | 中石化宁波工程有限公司 | 一种氨闪蒸制冷工艺 |
JP2016118385A (ja) * | 2016-02-02 | 2016-06-30 | 株式会社前川製作所 | 冷凍漁船 |
EP4365513A2 (en) * | 2016-02-16 | 2024-05-08 | Honeywell International Inc. | Multi-stage low gwp air conditioning system |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5524442A (en) * | 1994-06-27 | 1996-06-11 | Praxair Technology, Inc. | Cooling system employing a primary, high pressure closed refrigeration loop and a secondary refrigeration loop |
CN1285491A (zh) * | 1999-08-24 | 2001-02-28 | 易元明 | 相变以冷制冷方法及其循环系统 |
CN2416446Y (zh) * | 2000-04-11 | 2001-01-24 | 北京天利医药设备有限公司 | 一种深冷机组结构 |
-
2005
- 2005-02-01 JP JP2005025486A patent/JP4473151B2/ja active Active
- 2005-04-29 CN CNB2005100687024A patent/CN100513929C/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101786481B1 (ko) | 2011-11-10 | 2017-10-18 | 마에카와 매뉴팩쳐링 캄파니 리미티드 | 어선용 냉동 장치 |
KR101786563B1 (ko) * | 2012-05-02 | 2017-11-15 | 마에카와 매뉴팩쳐링 캄파니 리미티드 | 선박 탑재용 이원 냉동 장치 |
Also Published As
Publication number | Publication date |
---|---|
JP2006214611A (ja) | 2006-08-17 |
CN1815108A (zh) | 2006-08-09 |
CN100513929C (zh) | 2009-07-15 |
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