KR0157595B1 - 기체상 혼합물의 저온 분리 방법 - Google Patents
기체상 혼합물의 저온 분리 방법 Download PDFInfo
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- KR0157595B1 KR0157595B1 KR1019900702552A KR900702552A KR0157595B1 KR 0157595 B1 KR0157595 B1 KR 0157595B1 KR 1019900702552 A KR1019900702552 A KR 1019900702552A KR 900702552 A KR900702552 A KR 900702552A KR 0157595 B1 KR0157595 B1 KR 0157595B1
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- Prior art keywords
- primary
- stream
- liquid
- ethene
- methane
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- 238000000926 separation method Methods 0.000 title claims description 33
- 239000000203 mixture Substances 0.000 title claims description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 90
- 239000007788 liquid Substances 0.000 claims abstract description 76
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 claims abstract description 26
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000005057 refrigeration Methods 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 52
- 229930195733 hydrocarbon Natural products 0.000 claims description 35
- 150000002430 hydrocarbons Chemical class 0.000 claims description 34
- 238000005194 fractionation Methods 0.000 claims description 30
- 239000003507 refrigerant Substances 0.000 claims description 26
- 239000004215 Carbon black (E152) Substances 0.000 claims description 24
- 238000010992 reflux Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 18
- 239000000047 product Substances 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 239000001257 hydrogen Substances 0.000 claims description 10
- 229910052739 hydrogen Inorganic materials 0.000 claims description 10
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 239000005977 Ethylene Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 5
- 239000012043 crude product Substances 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 3
- 239000012263 liquid product Substances 0.000 claims description 3
- -1 C 3 hydrocarbons Chemical class 0.000 claims description 2
- 239000008246 gaseous mixture Substances 0.000 abstract description 3
- LGPMBEHDKBYMNU-UHFFFAOYSA-N ethane;ethene Chemical compound CC.C=C LGPMBEHDKBYMNU-UHFFFAOYSA-N 0.000 abstract 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 6
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 6
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 3
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000005504 petroleum refining Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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- 238000010924 continuous production Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
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- 238000009826 distribution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 235000020030 perry Nutrition 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
-
- 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
- F25J3/0228—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 characterised by the separated product stream
- F25J3/0242—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 characterised by the separated product stream separation of CnHm with 3 carbon atoms or more
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- 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
- F25J3/0204—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 characterised by the feed stream
- F25J3/0219—Refinery gas, cracking gas, coke oven gas, gaseous mixtures containing aliphatic unsaturated CnHm or gaseous mixtures of undefined nature
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- 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
- F25J3/0228—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 characterised by the separated product stream
- F25J3/0233—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 characterised by the separated product stream separation of CnHm with 1 carbon atom or more
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- 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
- F25J3/0228—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 characterised by the separated product stream
- F25J3/0238—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 characterised by the separated product stream separation of CnHm with 2 carbon atoms or more
-
- 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
- F25J3/0228—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 characterised by the separated product stream
- F25J3/0252—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 characterised by the separated product stream separation of hydrogen
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- 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
- F25J2200/00—Processes or apparatus using separation by rectification
- F25J2200/80—Processes or apparatus using separation by rectification using integrated mass and heat exchange, i.e. non-adiabatic rectification in a reflux exchanger or dephlegmator
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- 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
- F25J2210/00—Processes characterised by the type or other details of the feed stream
- F25J2210/12—Refinery or petrochemical off-gas
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- 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
- F25J2270/00—Refrigeration techniques used
- F25J2270/04—Internal refrigeration with work-producing gas expansion loop
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- 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
- F25J2270/00—Refrigeration techniques used
- F25J2270/60—Closed external refrigeration cycle with single component refrigerant [SCR], e.g. C1-, C2- or C3-hydrocarbons
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- 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
- F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
- F25J2290/80—Retrofitting, revamping or debottlenecking of existing plant
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Separation By Low-Temperature Treatments (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (10)
- 메탄, 에텐 및 에탄을 포함하는 탄화수소 공급 원료 기체로부터 에텐을 회수하기 위한저온 분리 방법에 있어서, 이 분리 방법은 하기(a), (b) 및 (c)단계로 구성되며, 여기에서 냉가압된 기체상 스트림들은 순차적으로 배열된 다수의 분리 유니트들내에서 분리되며, 상기 분리 유니트들 각각은 응축된 액체를 중력 흐름을 이용해 상부 수직 분리기 부분으로부터 하부 액체 포집기 부분내로 포집하도록 작동적으로 연결되어 있으며, 상기 하부 포집기 부분으로부터 기체는 상향으로 상부 수직 분리기 부분을 통과하여 냉각되며, 그것에 의해 상향 흐름 기체는 상기 분리기 부분내에서 부분 응축되어 상향 흐름 기체 스트림과 직접 접촉하는 환류 액체를 형성하는 것을 특징으로 하는 저온 분리 방법 : (a) 상기 공급 원료 기체를 저온에서 회수하는 메탄이 풍부한 일차 기체 스트림 및 C₂탄화수소 성분이 풍부하고 소량의 메탄을 함유한 하나 이상의 일차 액체 응축물 스트림으로 분리하기 위해 순차적으로 연결된 다수의 냉각기 분리 유니트들을 갖는 일차 분리 대역내로 상기 공급 원료 기체를 도입하고, (b) 상기 일차 분리 대역으로부터 얻어진 상기 하나 이상의 일차 액체 응축물 스트림을 순차적으로 연결된 탈메탄화 장치 대역들을 갖는 분별 시스템에 통과시키고, 여기에서 적절하게 낮은 저온이 일차 탈메탄화 장치 분별 대역내에 이용되어 상기 일차 액체 응축물 스트림으로부터 다량의 메탄을 일차 탈메탄화 장치 오버헤드 증기 스트림 상태로 회수하며, 또한 에탄 및 에텐이 풍부하고 메탄이 거의 없는 일차 액체상태의 탈메탄화된 저부 스트림을 회수하며, (c) 상기 일차 탈메탄화 장치 오버헤드 증기 스트림의 적어도 일부를 초저온의 이차 탈메탄화 장치 대역내에서 추가 분리하여, 일차 액체 상태인 에텐이 풍부한 C₂탄화수소 조 생성물 스트림 및 C₂탄화수소가 거의 없는 이차 탈메탄화 장치 초저온 오버헤드 증기 스트림을 회수한다.
- 제1항에 있어서, 상기 탈메탄화된 액체 저부 스트림의 적어도 일부와 상기 에텐이 풍부한 일차 탄화수소 조 생성물 스트림을 분별함으로써 정제된 에텐 생성물을 산출하는 단가의 단계(d)를 포함하는 방법.
- 제2항에 있어서, 탈메탄화된 액체 저부 스트림으로부터 에탄 및 중질의 탄화수소를 제거하고, 단계(d)에서 분별된 이차 조 에텐 스트림을 제공하기 위해 탈메탄회된 액체 저부 스트림을 분별하는 추가 단계를 포함하는 방법.
- 제1항에 있어서, 상기 각 분리 유니트는 중력 흐름에 따라 응축된 액체를 상부 분류기 열교환기로부터 하부 분류기 드럼 용기내로 포집할 수 있도록 배열된 분류기 유니트를 포함하며, 상기 상부 분류기 열교환기는 수직 위치한 다수의 간접 열교환 통로들을 갖고 있어, 이를 통해 하부 드럼 용기로부터 얻어진 기체가 상향으로 이동하여 냉매 유체와 상기 열교환 통로내에서 간접 열교환 됨으로써 냉각되고, 그렇게하여 상향으로 흐르는 기체는 상기 통로의 수직 표면상에서 부분 응축되어 상기 환류 액체를 형성하는 것을 특징으로 하는 방법.
- 제4항에 있어서, 액체 응축물은 순차적으로 연결된 3개 이상의 분류 대역들로부터 회수되며 상기 일차 탈메탄화 장치 오버헤드 증기 스트림의 적어도 일부는 상기 일차 및 이차 탈메탄화 장치 대역들 사이에 작동적으로 연결된 역류 접촉 유니트 내에서 중간 분류 대역으로부터 얻어진 중간 액체 스트림과 직접 열교환 관계로 접촉되어 있으며, 상기 역류 접촉 대역에서 얻어진 액체는 상기 이차 탈메탄화 장치 대역의 하부 단계로 보내지고 상기 역류 접촉 대역으로부터 얻어진 증기는 상기 이차 탈메탄화 대역의 상부 단계로 보내지는 것을 특징으로 하는 방법.
- 제5항에 있어서, 상기 이차 탈메탄화 장치 오버헤드 증기 스트림을 최종 분류기 유니트에 통과시켜 상기 이차 탈메탄화 장치 대역의 정상 부분까지 재순환하도록 하기 위한 최종 초저온 액체 환류 스트림 및 메탄이 풍부한 최종 분류기 오버헤드 증기 스트림을 얻는 단계를 포함하는 방법.
- 제1항에 있어서, 상기 적절하게 저온인 냉각제는 235°K 내지 290°K의 온도에서 유지되며, 초저온 냉각제는 235°K이하에서 유지되는 방법.
- 제1항에 있어서, 상기 공급 원료 기체가 에텐 10 내지 50 몰%, 에탄 5 내지 20몰%, 메탄 10 내지 40몰%, 수소 10 내지 40몰% 와 C₃탄화수소 최대 10몰%를 포함하는 방법.
- 메탄, 에탄 및 에텐을 포함하는 탄화수소 공급 원료 기체로부터 에텐을 회수하기 위한 저온 분리 시스템에 있어서, 이 분리 시스템이 적절한 저온 냉매 및 초저온 냉매의 제공원 ; 중간 및 최종 분류기 유니트들과 순차적인 흐름 관계로 작동적으로 연결된 일차 분류기 유니트를 포함하는 연속 냉동 장치로서, 이 때 냉가압된 기체상 스트림은 일련의 분류기 유니트들 내에서 분리되며, 상기 분류기 유니트들 각각은 고비등 성분이 풍부한 응축된 액체를 상부 분류기 열교환기로부터 하부 분류기 드럼내로 포집하기 위한 수단을 갖으며, 상기 상부 분류기 열교환기에서는 상향 흐름 기체를 부분 응축시켜 상기 상향 흐름 기체와 직접 접촉되는 환류 액체를 형성하여 하향 흐름성 냉각기 액체의 응축 스트림을 제공하고, 그럼으로써 점차 C₂탄화수소가 풍부해지는 응축된 분류기 액체가 제공되는 연속 냉동장치 ; 공급 원료 혼합물을 일차-냉매 온도 부근에서 회수된 메탄이 풍부한 일차 기체 스트림 및 C₂가 풍부하고 소량의 메탄을 포함하는 일차 액체 응축물 스트림으로 분리하기 위한 연속 냉각용 일차 분류기 유니트로 가압된 공급 원료를 주입하기 위한 수단 ; 일차 분류기 유니트로부터 얻어진 일차 액체 응축물 스트림을 저온 탈메탄화 장치 분별 시스템에 보내어 응축된 저비등 성분을 응축된 액체로부터 회수하기 위한 유체 취급 수단으로서, 상기 분별 시스템이 적절한 저온 냉매의 제공원에 작동적으로 연결되어 상기 일차 액체 응축물 스트림으로부터 일차 분별기 오버헤드 증기 스트림내로 다량의 저비등 성분을 회수하고, 또한 저비등 성분이 거의 없는 일차 액체 분별기 저부 스트림을 회수하기 위한 일차 환류 응축기 수단을 포함하는 일차 분별 대역을 갖는 유체 취급 수단 ; 주로 고비등 성분으로 구성된 액체 생성물 스트림 및 이차 분별기 초저온 오버헤드 증기 스트림을 회수하기 위해 초전온 냉매 제공원에 작동적으로 연결된 이차 환류 응축기 수단을 포함하는 이차 분별 대역을 갖는 상기 분별 시스템; 및 하나 이상의 중간 분류기 유니트로부터 응축된 중간 액체 스트림을 상기 이차 분별 대역의 중간 단계로 통과시키기 위한 수단으로 구성되는 것을 특징으로 하는 저온 분리 시스템.
- 제9항에 있어서, 상기 일차 냉매는 프로필렌을 포함하고, 초저온 냉매는 에틸렌을 포함하는 시스템.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/333,214 US4900347A (en) | 1989-04-05 | 1989-04-05 | Cryogenic separation of gaseous mixtures |
US333,214 | 1989-04-05 | ||
PCT/US1990/001493 WO1990012265A1 (en) | 1989-04-05 | 1990-03-20 | Cryogenic separation of gaseous mixtures |
Publications (2)
Publication Number | Publication Date |
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KR920700381A KR920700381A (ko) | 1992-02-19 |
KR0157595B1 true KR0157595B1 (ko) | 1998-12-15 |
Family
ID=23301828
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900702552A KR0157595B1 (ko) | 1989-04-05 | 1990-03-20 | 기체상 혼합물의 저온 분리 방법 |
Country Status (13)
Country | Link |
---|---|
US (1) | US4900347A (ko) |
EP (1) | EP0419623B1 (ko) |
JP (1) | JP3073008B2 (ko) |
KR (1) | KR0157595B1 (ko) |
CN (1) | CN1025730C (ko) |
AU (1) | AU618892B2 (ko) |
CA (1) | CA2029869C (ko) |
DE (1) | DE69008095T2 (ko) |
ES (1) | ES2056460T3 (ko) |
HU (1) | HU207153B (ko) |
MY (1) | MY105526A (ko) |
NO (1) | NO176117C (ko) |
WO (1) | WO1990012265A1 (ko) |
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1990
- 1990-03-20 KR KR1019900702552A patent/KR0157595B1/ko not_active IP Right Cessation
- 1990-03-20 JP JP02505272A patent/JP3073008B2/ja not_active Expired - Lifetime
- 1990-03-20 DE DE69008095T patent/DE69008095T2/de not_active Expired - Lifetime
- 1990-03-20 EP EP90905297A patent/EP0419623B1/en not_active Expired - Lifetime
- 1990-03-20 WO PCT/US1990/001493 patent/WO1990012265A1/en active IP Right Grant
- 1990-03-20 ES ES90905297T patent/ES2056460T3/es not_active Expired - Lifetime
- 1990-03-20 HU HU902709A patent/HU207153B/hu not_active IP Right Cessation
- 1990-03-20 AU AU53384/90A patent/AU618892B2/en not_active Ceased
- 1990-03-20 CA CA002029869A patent/CA2029869C/en not_active Expired - Fee Related
- 1990-04-03 MY MYPI90000524A patent/MY105526A/en unknown
- 1990-04-05 CN CN90101957A patent/CN1025730C/zh not_active Expired - Lifetime
- 1990-11-30 NO NO905212A patent/NO176117C/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0419623A1 (en) | 1991-04-03 |
JP3073008B2 (ja) | 2000-08-07 |
AU618892B2 (en) | 1992-01-09 |
ES2056460T3 (es) | 1994-10-01 |
KR920700381A (ko) | 1992-02-19 |
NO176117B (no) | 1994-10-24 |
CN1025730C (zh) | 1994-08-24 |
MY105526A (en) | 1994-10-31 |
DE69008095T2 (de) | 1994-07-28 |
EP0419623A4 (en) | 1991-10-02 |
JPH03505913A (ja) | 1991-12-19 |
CA2029869A1 (en) | 1990-10-06 |
NO176117C (no) | 1995-02-01 |
EP0419623B1 (en) | 1994-04-13 |
HUT55127A (en) | 1991-04-29 |
NO905212L (no) | 1990-11-30 |
CN1046729A (zh) | 1990-11-07 |
HU902709D0 (en) | 1991-03-28 |
NO905212D0 (no) | 1990-11-30 |
DE69008095D1 (de) | 1994-05-19 |
WO1990012265A1 (en) | 1990-10-18 |
CA2029869C (en) | 2000-01-18 |
HU207153B (en) | 1993-03-01 |
US4900347A (en) | 1990-02-13 |
AU5338490A (en) | 1990-11-05 |
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