CN103062989B - 一种混合制冷的天然气液化装置及工艺 - Google Patents
一种混合制冷的天然气液化装置及工艺 Download PDFInfo
- Publication number
- CN103062989B CN103062989B CN201310026704.1A CN201310026704A CN103062989B CN 103062989 B CN103062989 B CN 103062989B CN 201310026704 A CN201310026704 A CN 201310026704A CN 103062989 B CN103062989 B CN 103062989B
- Authority
- CN
- China
- Prior art keywords
- cryogen
- feed pipe
- heat exchanger
- natural 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.)
- Active
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 178
- 239000003345 natural gas Substances 0.000 title claims abstract description 71
- 238000005057 refrigeration Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000008569 process Effects 0.000 title claims abstract description 20
- 239000003949 liquefied natural gas Substances 0.000 claims abstract description 26
- 239000003507 refrigerant Substances 0.000 claims abstract description 18
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 claims description 50
- 239000007789 gas Substances 0.000 claims description 42
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 37
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 claims description 25
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 25
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 25
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 22
- 238000010992 reflux Methods 0.000 claims description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims description 19
- 230000008676 import Effects 0.000 claims description 18
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 17
- 239000005977 Ethylene Substances 0.000 claims description 13
- 239000002826 coolant Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 239000013589 supplement Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/0002—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the fluid to be liquefied
- F25J1/0022—Hydrocarbons, e.g. natural gas
-
- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/003—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production
- F25J1/0047—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle
- F25J1/0052—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production using an "external" refrigerant stream in a closed vapor compression cycle by vaporising a liquid refrigerant stream
-
- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0211—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle
- F25J1/0212—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process using a multi-component refrigerant [MCR] fluid in a closed vapor compression cycle as a single flow MCR cycle
-
- 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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0243—Start-up or control of the process; Details of the apparatus used; Details of the refrigerant compression system used
- F25J1/0244—Operation; Control and regulation; Instrumentation
- F25J1/0245—Different modes, i.e. 'runs', of operation; Process control
- F25J1/0249—Controlling refrigerant inventory, i.e. composition or quantity
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310026704.1A CN103062989B (zh) | 2013-01-24 | 2013-01-24 | 一种混合制冷的天然气液化装置及工艺 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310026704.1A CN103062989B (zh) | 2013-01-24 | 2013-01-24 | 一种混合制冷的天然气液化装置及工艺 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103062989A CN103062989A (zh) | 2013-04-24 |
CN103062989B true CN103062989B (zh) | 2015-03-11 |
Family
ID=48105722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310026704.1A Active CN103062989B (zh) | 2013-01-24 | 2013-01-24 | 一种混合制冷的天然气液化装置及工艺 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103062989B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105605882B (zh) * | 2015-12-23 | 2018-06-05 | 中石化石油工程技术服务有限公司 | 一种复合制冷天然气液化方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1462861A (zh) * | 2002-05-27 | 2003-12-24 | 中国科学院理化技术研究所 | 使工业气体从环境温度冷却至深冷温度并得到液化的方法 |
CN101413749A (zh) * | 2008-11-20 | 2009-04-22 | 成都赛普瑞兴科技有限公司 | 一种单级混合冷剂制冷循环液化天然气的方法及装置 |
CN102564059A (zh) * | 2012-02-19 | 2012-07-11 | 中国石油集团工程设计有限责任公司 | 双级多组分混合冷剂制冷天然气液化系统及方法 |
CN102748918A (zh) * | 2012-07-03 | 2012-10-24 | 中国海洋石油总公司 | 双级混合冷剂循环天然气液化系统 |
CN102748919A (zh) * | 2012-04-26 | 2012-10-24 | 中国石油集团工程设计有限责任公司 | 单循环混合冷剂四级节流制冷系统及方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2008313765B2 (en) * | 2007-10-17 | 2011-04-28 | Shell Internationale Research Maatschappij B.V. | Method and apparatus for controlling a refrigerant compressor, and use thereof in a method of cooling a hydrocarbon stream |
-
2013
- 2013-01-24 CN CN201310026704.1A patent/CN103062989B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1462861A (zh) * | 2002-05-27 | 2003-12-24 | 中国科学院理化技术研究所 | 使工业气体从环境温度冷却至深冷温度并得到液化的方法 |
CN101413749A (zh) * | 2008-11-20 | 2009-04-22 | 成都赛普瑞兴科技有限公司 | 一种单级混合冷剂制冷循环液化天然气的方法及装置 |
CN102564059A (zh) * | 2012-02-19 | 2012-07-11 | 中国石油集团工程设计有限责任公司 | 双级多组分混合冷剂制冷天然气液化系统及方法 |
CN102748919A (zh) * | 2012-04-26 | 2012-10-24 | 中国石油集团工程设计有限责任公司 | 单循环混合冷剂四级节流制冷系统及方法 |
CN102748918A (zh) * | 2012-07-03 | 2012-10-24 | 中国海洋石油总公司 | 双级混合冷剂循环天然气液化系统 |
Also Published As
Publication number | Publication date |
---|---|
CN103062989A (zh) | 2013-04-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2864482C (en) | Method and system for liquefying natural gas using single mixed refrigerant and refrigeration medium | |
CN204063780U (zh) | 一种结合氮膨胀制冷的管道气差压制冷液化装置 | |
CN101893367B (zh) | 一种利用混合制冷剂液化天然气的方法 | |
CA2856096C (en) | System and method for liquefying natural gas using single mixed refrigerant as refrigeration medium | |
CN104236252A (zh) | 利用lng冷能制备液体二氧化碳及干冰的方法及装置 | |
WO2014039008A1 (en) | System and method for natural gas liquefaction | |
CN102408910B (zh) | 复合冷剂制冷二次脱烃轻烃回收方法及装置 | |
CN101245956A (zh) | 利用天然气压力能的方法 | |
CN105444523A (zh) | 采用bog自身压缩膨胀液化bog的再液化系统及工艺 | |
CN101008545A (zh) | 一种用于天然气液化的新型ⅱ阶混合制冷工艺 | |
CN102564059A (zh) | 双级多组分混合冷剂制冷天然气液化系统及方法 | |
CN104807287A (zh) | 一种小型天然气液化制冷系统及方法 | |
CN201532077U (zh) | 基于低温液体制冷的天然气液化装置 | |
CN103398545B (zh) | 一种原料气多级压缩节流的生产液化天然气的系统 | |
CN104913592A (zh) | 一种小型天然气的液化工艺 | |
CN101709912B (zh) | 基于低温液体制冷的天然气液化装置 | |
CN203349591U (zh) | 一种利用lng卫星站冷能制冰的装置 | |
CN204630250U (zh) | 一种小型天然气液化制冷系统 | |
CN204678800U (zh) | 一种小型天然气的液化装置 | |
CN103062989B (zh) | 一种混合制冷的天然气液化装置及工艺 | |
CN205090721U (zh) | 一种四组分冷剂高压节流制冷液化天然气系统 | |
CN202928199U (zh) | 利用天然气压力能分步提供冷量热量的系统 | |
CN110762391A (zh) | 一种液化天然气工厂内液化天然气产品的降温降压系统及方法 | |
CN204678936U (zh) | 液化天然气冷能利用设备 | |
CN202547273U (zh) | 双级多组分混合冷剂制冷天然气液化系统 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Refrigerant-mixing natural gas liquefaction device and technology thereof Effective date of registration: 20200107 Granted publication date: 20150311 Pledgee: China Minsheng Banking Corp Chengdu branch Pledgor: Chengdu Shenleng Liquefaction Plant Co., Ltd. Registration number: Y2020510000003 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210825 Granted publication date: 20150311 Pledgee: China Minsheng Banking Corp Chengdu branch Pledgor: CHENGDU SHENLENG LIQUEFACTION PLANT Co.,Ltd. Registration number: Y2020510000003 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: 611700 north area of Chengdu modern industrial port, Pixian County, Chengdu City, Sichuan Province Patentee after: Sichuan Shudao Equipment Technology Co.,Ltd. Address before: 611700 north area of Chengdu modern industrial port, Pixian County, Chengdu City, Sichuan Province Patentee before: CHENGDU SHENLENG LIQUEFACTION PLANT Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder |