JPS6467587A - Raw-material air precooling method of air liquefying separator - Google Patents

Raw-material air precooling method of air liquefying separator

Info

Publication number
JPS6467587A
JPS6467587A JP22476287A JP22476287A JPS6467587A JP S6467587 A JPS6467587 A JP S6467587A JP 22476287 A JP22476287 A JP 22476287A JP 22476287 A JP22476287 A JP 22476287A JP S6467587 A JPS6467587 A JP S6467587A
Authority
JP
Japan
Prior art keywords
water
cooling
cooling tower
water washing
air
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.)
Pending
Application number
JP22476287A
Other languages
Japanese (ja)
Inventor
Hideyuki Honda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Oxygen Co Ltd
Nippon Sanso Corp
Original Assignee
Japan Oxygen Co Ltd
Nippon Sanso Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Japan Oxygen Co Ltd, Nippon Sanso Corp filed Critical Japan Oxygen Co Ltd
Priority to JP22476287A priority Critical patent/JPS6467587A/en
Publication of JPS6467587A publication Critical patent/JPS6467587A/en
Pending legal-status Critical Current

Links

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
    • F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
    • F25J3/04157—Afterstage cooling and so-called "pre-cooling" of the feed air upstream the air purification unit and main heat exchange line
    • 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
    • F25J2205/00—Processes or apparatus using other separation and/or other processing means
    • F25J2205/30—Processes or apparatus using other separation and/or other processing means using a washing, e.g. "scrubbing" or bubble column for purification purposes
    • F25J2205/32—Processes or apparatus using other separation and/or other processing means using a washing, e.g. "scrubbing" or bubble column for purification purposes as direct contact cooling tower to produce a cooled gas stream, e.g. direct contact after cooler [DCAC]
    • 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
    • F25J2270/90—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration

Abstract

PURPOSE: To precool the material air while reducing pressure loss by branching cooling wafer being introduced to a water washing cooling tower into two directions after being boosted through a pump, introducing one of them to the intermediate stage of the water washing cooling tower and the other to the upper section of the water washing cooling tower after being cooled through a chiller. CONSTITUTION: Cooling water C being introduced to a water washing cooling tower 20 is branched into two directions after being boosted through a pump 11 and one of them is introduced, under normal temperature, to a cooling water introducing section 22a at the intermediate stage of the water washing cooling tower 20 while the other 15 introduced from a cooling water introducing section 22b at the upper stage after being cooled through a chiller 23. Flow rate of the cooling water C being introduced to the water washing cooling tower 20 is regulated by valves 24, 25 and returned from the lower section of the water washing cooling tower 20 through a valve 12 to a cooling water facility such as a water receiving tank or a cooling tower, after cooling maternal air A. Since only the cooling water being introduced to the upper stage is cooled down through a chiller, required heat exchanging quantity of refrigerant can be reduced, pressure loss can be suppressed through direct heat exchanging system and unit power of compressor for material air can be reduced.
JP22476287A 1987-09-08 1987-09-08 Raw-material air precooling method of air liquefying separator Pending JPS6467587A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22476287A JPS6467587A (en) 1987-09-08 1987-09-08 Raw-material air precooling method of air liquefying separator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22476287A JPS6467587A (en) 1987-09-08 1987-09-08 Raw-material air precooling method of air liquefying separator

Publications (1)

Publication Number Publication Date
JPS6467587A true JPS6467587A (en) 1989-03-14

Family

ID=16818836

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22476287A Pending JPS6467587A (en) 1987-09-08 1987-09-08 Raw-material air precooling method of air liquefying separator

Country Status (1)

Country Link
JP (1) JPS6467587A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7536873B2 (en) 2005-02-11 2009-05-26 Linde Aktiengesellschaft Process and device for cooling a gas by direct heat exchange with a cooling liquid

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61246575A (en) * 1985-04-24 1986-11-01 株式会社日立製作所 Method of cooling air as raw material

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61246575A (en) * 1985-04-24 1986-11-01 株式会社日立製作所 Method of cooling air as raw material

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7536873B2 (en) 2005-02-11 2009-05-26 Linde Aktiengesellschaft Process and device for cooling a gas by direct heat exchange with a cooling liquid

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