KR930022038A - 나선형 건조 스크류 팽창기를 장착한 저온정류시스템 - Google Patents

나선형 건조 스크류 팽창기를 장착한 저온정류시스템

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Publication number
KR930022038A
KR930022038A KR1019930006294A KR930006294A KR930022038A KR 930022038 A KR930022038 A KR 930022038A KR 1019930006294 A KR1019930006294 A KR 1019930006294A KR 930006294 A KR930006294 A KR 930006294A KR 930022038 A KR930022038 A KR 930022038A
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casing
product
bearing
low temperature
heat exchanger
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KR1019930006294A
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English (en)
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차레스 쿤 레슬리
토도로브 네노브 네노
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조운 이. 페더리시
프랙스에어 테크놀로지, 인코포레이티드
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Publication of KR930022038A publication Critical patent/KR930022038A/ko

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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
    • F25J3/04—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
    • F25J3/044—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 a single pressure main column system only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
    • F01C1/12—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type
    • F01C1/14—Rotary-piston machines or engines 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
    • F01C1/16—Rotary-piston machines or engines 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
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C19/00—Sealing arrangements in rotary-piston machines or engines
    • F01C19/12—Sealing arrangements in rotary-piston machines or engines for other than working fluid
    • F01C19/125—Shaft sealings specially adapted for rotary or oscillating-piston machines or engines
    • 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
    • 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
    • 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
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04866—Construction and layout of air fractionation equipments, e.g. valves, machines
    • 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
    • F04C2220/00—Application
    • F04C2220/10—Vacuum
    • F04C2220/12—Dry running
    • 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
    • F25J2240/00—Processes or apparatus involving steps for expanding of process streams
    • F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed 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
    • F25J2290/00—Other details not covered by groups F25J2200/00 - F25J2280/00
    • F25J2290/10—Mathematical formulae, modeling, plot or curves; Design methods
    • 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
    • Y10S62/00—Refrigeration
    • Y10S62/902—Apparatus
    • Y10S62/91—Expander

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

나선형 건조 스크류 팽창기는 저온에서의 작동에 적절하고 저온정류시스템에 사용된다. 상기 나선형 건조 스크류 팽창기는 특히 질소를 생산하기 위한 저온 폐유체 팽창 순환에 유익하다.

Description

나선형 건조 스크류 팽창기를 장착한 저온정류시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 나선형 건조스크류 팽창기가 유익하게 사용되는 폐유체 확장 저온질소 생산 순환의 한 실시예를 도시한 개략적인 흐름경로도.
제2도는 저온정류 설비내에 효과적으로 수행될 수 있는 본 발명에 따른 나선형 건조 스크류 팽창기의 단면도.
제3도는 본 발명에 따른 나선형 건조 스크류 팽창기가 기어없이 폐유체 확장 순한과 결합될때의 잇점과 주입 확장 순환과 결합될때의 잇점을 도표화한 그래프.
제4도는 본 발명에 따른 나선형 건조스크류 팽창기가 유익하게 사용되는 주입공기 확장 저온실소 생산 순환의 한 실시예를 도시한 개략적인 흐름 경로도.

Claims (9)

  1. 생산물을 생산하기 위한 저온정류 설비에 있어서, (A) 정류컬럼시스템, 주 열교환기 및 나선형 건조스크류기와, (B)상기 주 열교환기에 주입시키고 상기 주 열교환기에서 상기 정류컬럼 시스템에 주입시키기 위한 수단과, (C)상기 정류컬러시스템으로부터 상기 나선형 건조 스크류 팽창기까지 그리고 상기 나선형 건조 스크류 팽창기에서 상기 주 열교환기까지 폐유체를 유동키기킥 위한 수단과, (D)상기 주 열교환기에서 폐유체를 배출시키기위한 수단과, 그리고 (E)상기 저온정류설비에서 생산물을 회수하기 위한 수단으로 구성되는 설비.
  2. 제1항에 있어서, 상기 나선형 건조 팽창기는 (F)축상에 장착되고 공정 유체 유입구와 공정 유체 배출구를 구비한 케이싱 내에 형성되는 나선형 스크류 회전자와, (G)상기 축상에서 상기 케이싱으로부터 이격되는 베어링 및 상기 베어링으로 그리고 상기 베어링으로부터 윤활유를 제공하기 위한 수단과, (H)상기 베어링과 상기 케이싱 사이의 축을 둘러싸는 밀폐시스템과, 그리고 (I)상기 축을 따라서 케이싱으로부터 공정유체가 유출되지 못하게하고 상기 축을 따라서 케이싱으로 윤활유가 유입하지 못하도록 작용하는 수단 및 상기 케이싱에 근접한 상기밀폐시스템에 밀폐가스를 제공하기 위한 수단과, 그리고 상기 베어링에 근접한 상기 밀폐시스템으로부터 밀폐가스를 유출시키기 위한 수단으로 구성되며, 상기 축은 상기 케이싱과 상기 케이싱의 외부면을 관통하여 연장하고 있는 설비.
  3. 주입공기 저온정류에 의해서 생산물을 생산하기 위한 방법에 있어서, (A)주입공기를 냉각시키고 냉각된 주입공기를 정류컬럼 시스템으로 유동시키는 단계와, (B)상기 주입공기를 상기 정류 컬럼 시스템내에서 저온정류에 의해서 생산물 유체와 폐유체로 분리시키기 위한 단계와, (C) 상기 정류컬럼시스템으로부터 폐유체를 배출시키고 상기 배출된 폐유체를 나선형 건조 스크류 팽창기를 통해서 유도됨으로써 냉장효과를 발생시키도록 팽창시키는 단계와, (D) 상기 (A)단계중 주입공기를 냉각시키기 위하여 상기 팽창된 폐유체를 주입 공기와 함께 직접 열교환기에서 유동시키는 단계와, 그리고 (E) 상기 정류컬럼시스템에서 생산물을 회수시키는 단계로 이루어지는 방법.
  4. 제3항에 있어서, 상기 생산물은 질소인 방법.
  5. 생산물을 생산하기 위한 저온 정류 설비에 있어서, (A) 정류컬럼시스템, 주 열교환기 및 주입 압축기와, (B) 상기 주입 압축기에서 상기 주 열교환기로 주입시키고 상기 주 열교환기에서 나선형 건조 스크류 팽창기로 주입공기를 유동시키기 위한 수단과, (C) 상기 나선형 건조 스크류 팽창기에서 상기 건조 컬럼 시스템으로 주입공기를 유동시키기 위한 수단과, 그리고 (D) 상기 저온정류설비에서 생산물을 회수하기 위한 수단으로 구성되는 설비.
  6. 제5항에 있어서, 상기 나선형 건조 팽창기는 (E) 축상에 장착되고 공정 유체 유입구와 공정 유체 배출구를 구비한 케이싱 내에 형성되는 나선형 스크류 회전자와, (F) 상기 축상에서 상기 케이싱으로부터 이격되는 베어링 및 상기 베어링으로 그리고 상기 베어링으로부터 윤활유를 제공하기 위한 수단과, (G) 상기 베어링과 상기 케이싱 사이의 축을 둘러싸는 밀폐시스템과, 그리고 (H) 상기 축을 따라서 케이싱으로부터 공정유체가 유출되지 못하게 하고 상기 축을 따라서 케이싱으로 윤활유가 유입하지 못하도록 작용하는 수단 및 상기 케이싱에 근접한 상기 밀폐시스템에 밀폐가스를 제공하기 위한 수단과, 그리고 상기 베어링에 근접한 상기 밀폐시스템으로 부터 밀폐가스를 유출시키기 위한 수단으로 구성되며, 상기 축을 상기 케이싱과 상기 케이싱의 외부면을 관통하여 연장하고 있는 설비.
  7. 주입공기의 저온 정류에 의해서 생산물을 생산하기 위한 방법에 있어서, (A) 주입공기를 압축시키고 냉각시키며 상기 압축된 주입공기를 나선형 건조 스크류 팽창기로 유동시키는 단계와, (B) 상기 압축된 주입공기를 상기 나선형 건조 스크류 팽창기를 관통시킴으로써 냉장효과를 발생시키도록 팽창시키는 단계와, (C) 상기 주입공기를 정류컬럼시스템내에서 저온정류에 의해서 생산물 유체와 폐유체로 분리시키는 단계와, 그리고 (D) 상기 정류컬럼시스템에서 생산물을 회수하는 단계로 이루어지는 방법.
  8. 제7항에 있어서, 상기 생산물은 질소인 방법.
  9. (A) 축상에 장착되고 공정 유체 유입구와 공정 유체 배출구를 귀한 케이싱 내에 형성되는 나선형 스크류 회전자와, (B) 상기 축상에서 상기 케이싱으로부터 이격되는 베어링 및 상기 베어링으로 그리고 상기 베어릴으로부터 윤활유를 제공하기 위한 수단과, (C) 상기 베어링과 상기 케이싱 사이의 축을 둘러싸는 밀폐시스템과, 그리고 (D) 상기 축을 따라서 케이싱으로부터 공정유체가 유출되지 못하게 하고 상기 축을 따라서 케이싱으로 윤활유가 유입하지 못하도록 작용하는 수단 및 상기 케이싱에 근접한 상기 밀폐시스템에 밀폐가스를 제공학 위한 수단과, 그리고 상기 베어링에 근접한 상기 밀폐시스템으로부터 밀폐가스를 유출시키기 위한 수단으로 구성되며, 상기 축은 상기 케이싱과 상기 케이싱의 외부면을 관통하여 연장하고 있는 나선형 건조 스크류 팽창기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930006294A 1992-04-16 1993-04-15 나선형 건조 스크류 팽창기를 장착한 저온정류시스템 KR930022038A (ko)

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US07/868,869 US5228298A (en) 1992-04-16 1992-04-16 Cryogenic rectification system with helical dry screw expander

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