KR850000652A - Air separation method - Google Patents

Air separation method Download PDF

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Publication number
KR850000652A
KR850000652A KR1019830002488A KR830002488A KR850000652A KR 850000652 A KR850000652 A KR 850000652A KR 1019830002488 A KR1019830002488 A KR 1019830002488A KR 830002488 A KR830002488 A KR 830002488A KR 850000652 A KR850000652 A KR 850000652A
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KR
South Korea
Prior art keywords
column
air
liquefied
pressure column
low pressure
Prior art date
Application number
KR1019830002488A
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Korean (ko)
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KR880000075B1 (en
Inventor
야스시 도미사까
Original Assignee
다까하시 고오기찌
가부시끼가이샤 고오베 세이꼬오쇼
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Priority to KR1019830002488A priority Critical patent/KR880000075B1/en
Publication of KR850000652A publication Critical patent/KR850000652A/en
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Publication of KR880000075B1 publication Critical patent/KR880000075B1/en

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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

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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)

Abstract

내용 없음.No content.

Description

공기분리방법Air separation method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 관례적 전저압 공기분별법을 보여주는 공정도이고,1 is a flow chart showing a conventional full low pressure air fractionation method,

제2도는 본 발명에 의한 전저압 공기분별법을 보여주는 공정도이다.2 is a process chart showing the total low pressure air fractionation method according to the present invention.

Claims (1)

압축기에 의해 압축되고 열교환기에 의해 냉각된 원료공기를 제1 응축기에 공급하여 거기서 저압탑내 액화산소와 열교환 받게하여 상기 액화산소를 증발시켜 상기 저압탑내에 상승기체를 형성시키고 동시에 원료공기를 그 비점이하의 온도까지 과냉각시킴에 의해 상기 원료공기를 부분액화시키는 것과, 상승기체를 상기저압탑의 상부로부터 하강하는 환류액과 접촉시켜 분별(fractionation)을 행하고 그리하여 상기 저압탑의 저부에 수집된 환류액을 산소풍부액으로 변환시키는 것과 상기 액화공기를 중압탑에 도입하고 거기서 기화시켜 상기 중압탑내에 상승기체를 만들며 그것을 상기 중압탑의 탑정에서의 응축에 의해 생성된 환류액과 접촉시키고 분별되게 하고 중압탑의 탑정에서 질소풍기체를 얻으며, 그러는 동안 상기 환류액을 중압탑의 저부에서 액화공기가 되게 하는 것과 상기 액화공기를 냉각시키고 조(粗)아르곤 탑의 탑정에 있는 제2응축기내에 통과시켜 거기서 조 아르곤 탑내의 아르곤 풍부기체와 열교환 받게한 다음 상기 액화공기를 저압탑에 공급하는 것과 되어있는 공기분별방법에 있어서, 액화산소를 상기 조 아르곤탑의 탑저로부터 취출하고, 그 자중(自重)하에 가압하고, 가역 열교환기에 의해서 기화시켜 제품산소를 얻으며, 한편 상기 조 아르곤탑의 탑정에 있는 아르곤 풍부기체를 송풍기에 의해 취출하여 조 아르곤탑의 내압을 감압(感壓)에 유지하는 것을 특징으로 하는 공기분리방법.The raw air compressed by the compressor and cooled by the heat exchanger is supplied to the first condenser, where it is subjected to heat exchange with the liquefied oxygen in the low pressure column, and the liquefied oxygen is evaporated to form a rising gas in the low pressure column, and at the same time, the raw material air has its boiling point. Partial cooling of the raw material air by subcooling to a temperature of?, And contacting the rising gas with a reflux liquid descending from the top of the low pressure column to perform fractionation, and thus the reflux liquid collected at the bottom of the low pressure column. Converting it into an oxygen rich liquid and introducing the liquefied air into a medium pressure column and vaporizing it to form a rise gas in the medium pressure column, which is brought into contact with the reflux liquid generated by condensation in the tower top of the medium pressure column and fractionated. Nitrogen air is obtained at the top of the column, while the reflux is added to the bottom of the To liquefied air and to cool the liquefied air and to pass it through a second condenser at the top of the crude argon column, where it is subjected to heat exchange with argon-rich gas in the crude argon column and then to supply the liquefied air to the low pressure column. In the air fractionation method of the present invention, liquefied oxygen is taken out from the bottom of the tank argon column, pressurized under its own weight, and vaporized by means of a reversible heat exchanger to obtain product oxygen, while at the top of the tank argon column. An argon-rich gas is blown out by a blower to maintain the internal pressure of the crude argon column at reduced pressure. ※ 참고사항:최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019830002488A 1983-06-03 1983-06-03 The method for separating air KR880000075B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019830002488A KR880000075B1 (en) 1983-06-03 1983-06-03 The method for separating air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019830002488A KR880000075B1 (en) 1983-06-03 1983-06-03 The method for separating air

Publications (2)

Publication Number Publication Date
KR850000652A true KR850000652A (en) 1985-02-28
KR880000075B1 KR880000075B1 (en) 1988-02-22

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Application Number Title Priority Date Filing Date
KR1019830002488A KR880000075B1 (en) 1983-06-03 1983-06-03 The method for separating air

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KR (1) KR880000075B1 (en)

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Publication number Publication date
KR880000075B1 (en) 1988-02-22

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