CN1880214A - 超低压低温法空气分离制氧流程 - Google Patents
超低压低温法空气分离制氧流程 Download PDFInfo
- Publication number
- CN1880214A CN1880214A CNA2006100797828A CN200610079782A CN1880214A CN 1880214 A CN1880214 A CN 1880214A CN A2006100797828 A CNA2006100797828 A CN A2006100797828A CN 200610079782 A CN200610079782 A CN 200610079782A CN 1880214 A CN1880214 A CN 1880214A
- Authority
- CN
- China
- Prior art keywords
- air
- liquid
- tower
- nitrogen
- 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.)
- Granted
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 239000001301 oxygen Substances 0.000 title claims abstract description 48
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 34
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 151
- 239000007788 liquid Substances 0.000 claims abstract description 116
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 72
- 239000007789 gas Substances 0.000 claims abstract description 8
- 238000009834 vaporization Methods 0.000 claims abstract description 7
- 230000008016 vaporization Effects 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims description 11
- 239000004302 potassium sorbate Substances 0.000 claims description 9
- 229920006395 saturated elastomer Polymers 0.000 claims description 9
- 239000002151 riboflavin Substances 0.000 claims description 8
- 239000004283 Sodium sorbate Substances 0.000 claims description 7
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 7
- 238000009835 boiling Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000002309 gasification Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims 2
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 238000005273 aeration Methods 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 7
- 239000012467 final product Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- DQRDEJAZJWASII-UHFFFAOYSA-N [Pb].C#C Chemical compound [Pb].C#C DQRDEJAZJWASII-UHFFFAOYSA-N 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04436—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using at least a triple pressure main column system
- F25J3/04442—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using at least a triple pressure main column system in a double column flowsheet with a high pressure pre-rectifier
-
- 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
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
- F25J3/04187—Cooling of the purified feed air by recuperative heat-exchange; Heat-exchange with product streams
- F25J3/04193—Division of the main heat exchange line in consecutive sections having different functions
- F25J3/042—Division of the main heat exchange line in consecutive sections having different functions having an intermediate feed connection
-
- 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
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
- F25J3/04187—Cooling of the purified feed air by recuperative heat-exchange; Heat-exchange with product streams
- F25J3/04193—Division of the main heat exchange line in consecutive sections having different functions
- F25J3/04206—Division of the main heat exchange line in consecutive sections having different functions including a so-called "auxiliary vaporiser" for vaporising and producing a gaseous product
-
- 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
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
- F25J3/04187—Cooling of the purified feed air by recuperative heat-exchange; Heat-exchange with product streams
- F25J3/04218—Parallel arrangement of the main heat exchange line in cores having different functions, e.g. in low pressure and high pressure cores
-
- 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
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
- F25J3/04284—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams
- F25J3/0429—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams of feed air, e.g. used as waste or product air or expanded into an auxiliary column
-
- 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
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
- F25J3/04284—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams
- F25J3/0429—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams of feed air, e.g. used as waste or product air or expanded into an auxiliary column
- F25J3/04296—Claude expansion, i.e. expanded into the main or high pressure column
-
- 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
- F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
- F25J2235/02—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams using a pump in general or hydrostatic pressure increase
-
- 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
- F25J2235/00—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams
- F25J2235/42—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being nitrogen
-
- 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
- F25J2250/00—Details related to the use of reboiler-condensers
- F25J2250/30—External or auxiliary boiler-condenser in general, e.g. without a specified fluid or one fluid is not a primary air component or an intermediate fluid
- F25J2250/40—One fluid being air
-
- 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
- F25J2250/00—Details related to the use of reboiler-condensers
- F25J2250/30—External or auxiliary boiler-condenser in general, e.g. without a specified fluid or one fluid is not a primary air component or an intermediate fluid
- F25J2250/52—One fluid being oxygen enriched compared to air, e.g. "crude oxygen"
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100797828A CN100424451C (zh) | 2006-05-15 | 2006-05-15 | 超低压低温法空气分离氧气制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2006100797828A CN100424451C (zh) | 2006-05-15 | 2006-05-15 | 超低压低温法空气分离氧气制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1880214A true CN1880214A (zh) | 2006-12-20 |
CN100424451C CN100424451C (zh) | 2008-10-08 |
Family
ID=37518611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006100797828A Expired - Fee Related CN100424451C (zh) | 2006-05-15 | 2006-05-15 | 超低压低温法空气分离氧气制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100424451C (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101503180B (zh) * | 2009-03-17 | 2011-04-13 | 四川空分设备(集团)有限责任公司 | 新型高纯氧制取方法 |
CN102564063A (zh) * | 2010-11-09 | 2012-07-11 | 林德股份公司 | 低温分离空气的方法和设备 |
CN102809261A (zh) * | 2012-04-19 | 2012-12-05 | 四川空分设备(集团)有限责任公司 | 从空气中制取低纯度氧气的深冷法分离方法及其装置 |
CN102853633A (zh) * | 2011-06-30 | 2013-01-02 | 通用电气公司 | 空气分离装置以及包括该空气分离装置的系统 |
US9145524B2 (en) | 2012-01-27 | 2015-09-29 | General Electric Company | System and method for heating a gasifier |
US9150801B2 (en) | 2012-01-27 | 2015-10-06 | General Electric Company | System and method for heating a gasifier |
CN105466154A (zh) * | 2015-12-21 | 2016-04-06 | 七台河宝泰隆煤化工股份有限公司 | 一种空分工艺方法 |
CN114812097A (zh) * | 2022-04-22 | 2022-07-29 | 杭州特盈能源技术发展有限公司 | 一种跨流程高契合度耦合低能耗高氮制取工艺 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3277340B2 (ja) * | 1993-04-22 | 2002-04-22 | 日本酸素株式会社 | 半導体製造工場向け各種ガスの製造方法及び装置 |
CN1082029C (zh) * | 1995-06-01 | 2002-04-03 | 空气及水株式会社 | 制氧装置 |
JP3748677B2 (ja) * | 1997-08-13 | 2006-02-22 | 大陽日酸株式会社 | 低純度酸素の製造方法及び装置 |
US5839296A (en) * | 1997-09-09 | 1998-11-24 | Praxair Technology, Inc. | High pressure, improved efficiency cryogenic rectification system for low purity oxygen production |
JP3654883B2 (ja) * | 2002-12-17 | 2005-06-02 | 大陽日酸株式会社 | 空気液化分離装置及び方法 |
-
2006
- 2006-05-15 CN CNB2006100797828A patent/CN100424451C/zh not_active Expired - Fee Related
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101503180B (zh) * | 2009-03-17 | 2011-04-13 | 四川空分设备(集团)有限责任公司 | 新型高纯氧制取方法 |
CN102564063A (zh) * | 2010-11-09 | 2012-07-11 | 林德股份公司 | 低温分离空气的方法和设备 |
CN102853633A (zh) * | 2011-06-30 | 2013-01-02 | 通用电气公司 | 空气分离装置以及包括该空气分离装置的系统 |
CN102853633B (zh) * | 2011-06-30 | 2016-08-10 | 通用电气公司 | 空气分离装置以及包括该空气分离装置的系统 |
US9145524B2 (en) | 2012-01-27 | 2015-09-29 | General Electric Company | System and method for heating a gasifier |
US9150801B2 (en) | 2012-01-27 | 2015-10-06 | General Electric Company | System and method for heating a gasifier |
CN102809261A (zh) * | 2012-04-19 | 2012-12-05 | 四川空分设备(集团)有限责任公司 | 从空气中制取低纯度氧气的深冷法分离方法及其装置 |
CN102809261B (zh) * | 2012-04-19 | 2014-07-23 | 四川空分设备(集团)有限责任公司 | 从空气中制取低纯度氧气的深冷法分离方法及其装置 |
CN105466154A (zh) * | 2015-12-21 | 2016-04-06 | 七台河宝泰隆煤化工股份有限公司 | 一种空分工艺方法 |
CN105466154B (zh) * | 2015-12-21 | 2017-12-15 | 七台河宝泰隆煤化工股份有限公司 | 一种空分工艺方法 |
CN114812097A (zh) * | 2022-04-22 | 2022-07-29 | 杭州特盈能源技术发展有限公司 | 一种跨流程高契合度耦合低能耗高氮制取工艺 |
CN114812097B (zh) * | 2022-04-22 | 2023-02-03 | 杭州特盈能源技术发展有限公司 | 一种跨流程高契合度耦合低能耗高氮制取工艺 |
Also Published As
Publication number | Publication date |
---|---|
CN100424451C (zh) | 2008-10-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1880214A (zh) | 超低压低温法空气分离制氧流程 | |
AU649362B2 (en) | Multiple reboiler, double column, air boosted, elevated pressure air separation cycle and its integration with gas turbines | |
CN100592013C (zh) | 利用从液化天然气中提取的冷量生产液氧的空气分离方法 | |
CN102155841B (zh) | 低温分离方法及设备 | |
CN111795544A (zh) | 低温空气分离设备 | |
JPH06117753A (ja) | 空気の高圧低温蒸留方法 | |
CN111406192B (zh) | 通过与氮气膨胀机联动制动的膨胀机增压机来产生增压空气的深冷精馏方法与设备 | |
CN1191600A (zh) | 变量生产气态压力产品的方法和装置 | |
EP2381198A1 (en) | Method for separating carbon dioxide from flue gas of combustion plants | |
US20150253075A1 (en) | Process for the separation of air by cryogenic distillation | |
JP2002502933A (ja) | 集中ガス化器と結合させた極低温空気分離ユニットの酸素発生方法及び装置 | |
CN102047057A (zh) | 分离空气的方法和设备 | |
CN101782309A (zh) | 两塔制氩系统及其工艺 | |
CN104755360A (zh) | 用于通过低温蒸馏进行空气分离的方法和设备 | |
CN101351680A (zh) | 低温空气分离法 | |
US20130205831A1 (en) | Method and device for obtaining compressed oxygen and compressed nitrogen by the low-temperature separation of air | |
CN105473968A (zh) | 用于以可变的能量消耗通过空气的低温分离产生氧的方法和装置 | |
JP2009030966A (ja) | 空気低温分離によるアルゴンの製造方法及び装置 | |
CN111637686A (zh) | 提高液氮产能的lng冷能空分装置及方法 | |
US20170284735A1 (en) | Air separation refrigeration supply method | |
Ye et al. | Feasibility analysis and simulation of argon recovery in low oxygen-purity cryogenic air separation process with low energy consumption | |
RU2540032C2 (ru) | Способ и устройство для получения жидкого азота путем разложения воздуха при низкой температуре | |
US8549878B2 (en) | Method of generating nitrogen and apparatus for use in the same | |
CN113874669A (zh) | 用于低温分离空气的方法和设备 | |
US20240068744A1 (en) | Method for liquefying a stream rich in co2 |
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 | ||
ASS | Succession or assignment of patent right |
Owner name: GUANGXI LIUZHOU HAIWAN HENGRI CHEMICAL GAS CO., LT Free format text: FORMER OWNER: BAI YANG Effective date: 20130527 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 545002 LIUZHOU, GUANGXI ZHUANG AUTONOMOUS REGION TO: 545116 LIUZHOU, GUANGXI ZHUANG AUTONOMOUS REGION |
|
TR01 | Transfer of patent right |
Effective date of registration: 20130527 Address after: 545116 No. 19 Yang Road, Keelung Development Zone, Liuzhou, the Guangxi Zhuang Autonomous Region, China Patentee after: Liuzhou Hengri Chemicals Gases Co., Ltd. Address before: 545002 the Guangxi Zhuang Autonomous Region Liuzhou Liuzhou iron and steel (Group) Company gas company Patentee before: Bai Yang |
|
ASS | Succession or assignment of patent right |
Owner name: BAI YANG Free format text: FORMER OWNER: GUANGXI LIUZHOU HAIWAN HENGRI CHEMICAL GAS CO., LTD. Effective date: 20150527 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 545116 LIUZHOU, GUANGXI ZHUANG AUTONOMOUS REGION TO: 545002 LIUZHOU, GUANGXI ZHUANG AUTONOMOUS REGION |
|
TR01 | Transfer of patent right |
Effective date of registration: 20150527 Address after: Liubei North Bird Road 545002 Liuzhou city the Guangxi Zhuang Autonomous Region No. 33 Fu Jiang Xiaoyuan 5 Building 2 unit 401 room Patentee after: Bai Yang Address before: 545116 No. 19 Yang Road, Keelung Development Zone, Liuzhou, the Guangxi Zhuang Autonomous Region, China Patentee before: Liuzhou Hengri Chemicals Gases Co., Ltd. |
|
DD01 | Delivery of document by public notice |
Addressee: Bai Yang Document name: Notification to Pay the Fees |
|
C41 | Transfer of patent application or patent right or utility model | ||
CB03 | Change of inventor or designer information |
Inventor after: Bai Yang Inventor after: Yun Xingsheng Inventor before: Bai Yang |
|
COR | Change of bibliographic data | ||
TR01 | Transfer of patent right |
Effective date of registration: 20161228 Address after: 545002 the Guangxi Zhuang Autonomous Region, Liuzhou Liu Liu North District, building No. 33, No. 202 Patentee after: Bai Yang Patentee after: Weifang super combustion gas Science and Technology Ltd. Patentee after: Yun Xingsheng Patentee after: Cao Pengju Address before: 545002 Guangxi Liuzhou Liubei North Bird Road, No. 33 Fu Jiang Xiaoyuan 5 Building 2 unit 401 room Patentee before: Bai Yang |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180403 Address after: 545002 the Guangxi Zhuang Autonomous Region, Liuzhou Liu Liu North District, building No. 33, No. 202 Co-patentee after: Weifang super combustion gas Science and Technology Ltd. Patentee after: Bai Yang Co-patentee after: Yun Xingsheng Co-patentee after: Cao Pengju Co-patentee after: Qiu Jing Address before: 545002 the Guangxi Zhuang Autonomous Region, Liuzhou Liu Liu North District, building No. 33, No. 202 Co-patentee before: Weifang super combustion gas Science and Technology Ltd. Patentee before: Bai Yang Co-patentee before: Yun Xingsheng Co-patentee before: Cao Pengju |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20200515 |