JPS59150286A - アルゴンの製造方法 - Google Patents

アルゴンの製造方法

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Publication number
JPS59150286A
JPS59150286A JP58023428A JP2342883A JPS59150286A JP S59150286 A JPS59150286 A JP S59150286A JP 58023428 A JP58023428 A JP 58023428A JP 2342883 A JP2342883 A JP 2342883A JP S59150286 A JPS59150286 A JP S59150286A
Authority
JP
Japan
Prior art keywords
argon
column
tower
crude
pipe
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
Application number
JP58023428A
Other languages
English (en)
Other versions
JPH0412392B2 (ja
Inventor
岡田　英武
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 JP58023428A priority Critical patent/JPS59150286A/ja
Priority to US06/578,200 priority patent/US4575388A/en
Publication of JPS59150286A publication Critical patent/JPS59150286A/ja
Publication of JPH0412392B2 publication Critical patent/JPH0412392B2/ja
Granted legal-status Critical Current

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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
    • F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
    • F25J3/04333—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams
    • F25J3/04351—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams of 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
    • 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
    • F25J3/04278—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using external refrigeration units, e.g. closed mechanical or regenerative refrigeration units
    • 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
    • F25J3/04303—Lachmann expansion, i.e. expanded into oxygen producing or low 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
    • F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
    • F25J3/04333—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams
    • F25J3/04369—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using quasi-closed loop internal vapor compression refrigeration cycles, e.g. of intermediate or oxygen enriched (waste-)streams of argon or argon enriched 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
    • F25J3/04—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
    • F25J3/04406—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 dual pressure main column system
    • F25J3/04412—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 dual pressure main column system in a classical double column flowsheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of 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
    • F25J3/04642—Recovering noble gases from air
    • F25J3/04648—Recovering noble gases from air argon
    • F25J3/04654—Producing crude argon in a crude argon column
    • F25J3/04666—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system
    • F25J3/04672—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser
    • 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
    • F25J3/04642—Recovering noble gases from air
    • F25J3/04648—Recovering noble gases from air argon
    • F25J3/04654—Producing crude argon in a crude argon column
    • F25J3/04666—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system
    • F25J3/04672—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser
    • F25J3/04678—Producing crude argon in a crude argon column as a parallel working rectification column of the low pressure column in a dual pressure main column system having a top condenser cooled by oxygen enriched liquid from high pressure column bottoms
    • 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
    • F25J3/04969—Retrofitting or revamping of an existing air fractionation unit
    • 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
    • F25J2235/58—Processes or apparatus involving steps for increasing the pressure or for conveying of liquid process streams the fluid being argon or crude argon
    • 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
    • F25J2245/00—Processes or apparatus involving steps for recycling of process streams
    • F25J2245/58—Processes or apparatus involving steps for recycling of process streams the recycled stream being argon or crude argon
    • 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
    • F25J2250/20—Boiler-condenser with multiple exchanger cores in parallel or with multiple re-boiling or condensing 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
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/58—Quasi-closed internal or closed external argon refrigeration cycle
    • 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
    • Y10S62/923—Inert gas
    • Y10S62/924—Argon

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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

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 この発明はアルゴンの製造方法に詠シ、ｌｊｔ”Ｌ＜は
−力消費鼠の少ない経済的なアルゴンの増収法に閣する
。
一般にアルゴンの製造捻、第１図に示すようにまず斐気
分離装にの複式４Ｈ留塔１の上部塔２下部からアルゴン
１ｔｆｆｉの多い＃！素（アルゴンフィード）を管３か
ら抜き出し、粗アルゴン塔４に導入する。
このアルゴンフィードは、下部塔５祇部から′ｗ６を経
て粗アルゴン塔４上部の凝縮器４ａに送られた欧化空気
によって冷却されｔＪ留され、管７から粗アルゴンが導
出される。この粗アルコ°／は、肯７から図示しない脱
酸装置や高純アルゴン塔などからなるアルゴン軸首工楳
に送られ篩純アルコ′ンとされる。一方、凝＃ｉ器４ａ
に供給され７＋ｃ故化空気は、仁こで気化し、管８を通
って上部塔２に送られる。また、租アルゴン塔４の塔底
からは欧化＠索が導出され、管９を経て上部％２に返送
される。
このように空気漱化檀留、法によるを気分離装置よシア
ルボンを製造する場合は本来上部塔２に敵状のままで供
給すべき下部塔５は部の酸化空気の一部によって粗アル
ゴン塔４の凝縮器４ａを冷却しているのが通常である。
このため、徂アルゴン、％４での粗アルゴン収率を＾め
ようとすれは必然的に祖アルゴン塔４の凝縮器４ａの冷
却に用いられる下部塔５Ｉ＆部からの液化空気量が増大
し、上部＃に２に送られる液化空気の量が減少する。こ
れは上部塔２のオ“＃貿性能の患化をもたらし、ひいて
Ｌアルゴンフィードを得ることができ、なくなる。
したがって、従来法ではアルゴンの収単に限界がおり、
特に殊冷尭生用の膨張ターモノ出「」ガスを上部塔へ吠
き込む盆低圧式空気分離装置や液体窒素採取型の臣気分
離装置では原料璧気中に百まれるアルゴンの大部分を０
１に１累と共に捨でねはならない場合もめった。
このような問題に対処すべく、下部塔２の舖貿采件を１
伽さ？、アルゴンの収率を島める方ポとして、上Ｓ梧２
よシ導出される！累を下部塔５内圧力まで圧縮したのち
、冷却または故化し、下部＃に５に供給するような電索
サイクルを付設する方法が知られている。この方法は、
例えば第２図に示すように、上部塔２の％狽からの窒素
ガスの一部を管１０によって取出し、これを熱交換儀ｌ
ｌＫ通して常温付近まで加熱したのら、管１２を経て圧
縮＋ｌＲ１３に尋人し、４．８　ｋｇ　／’ａｆｔ　ａ
まで圧動する。ついでこの圧縮窒素ガスを熱３１：換■
１１に通して上記低１ＭＬ窒素ガスと熱交換して一１７
３℃まで冷却し、管１４を経て１部塔５の頂部に導入す
るようにしたものである。しかしながら、この窒素サイ
クルなＯける方法で唸、上部塔２のｆ＃留条件ＦＸ、改
善されるものの、上部塔２からの大気圧に近い窒素カス
を下部塔５圧力（５〜６　ａｔａ　）まで圧縮するに会
費な動力は相当大きく、しかも賊化浩熱の小さい輩索を
用いることはライフル内の循環臘木鉦を大きくし、この
点からも用費動力が増加するという問題点がめった。
この発明は上記事情に無みてなされたもので、下部塔の
相穎条件を患化さぜずにアルゴンのｍ堆単を増加でき、
しかも消＊電力が少ないアルゴンのＲ４方法を提供する
ことを目的とするものである。
以下、凶面を参照してこの発明を秤しく説明する。
第３図はこの発明のアルゴンの製造方法に好適な装置の
一例を示すもので、ｇ１図に示したものと同−栴成部分
には同一符号を付してその説明紘省略する。
粗アルゴン塔４塔頂から０．２に＄／／ｄＧ、飽和温匿
の粗アルゴンが抜き出され、この租アルゴンは管７を経
て熱交換器１５に要人され、常温まで加熱される。この
常温の租アルゴンは、ｆ１６より、圧動機１７に送られ
、１．５に９／αＡａまで圧動されたのち、２分される
。粗アルゴンの大部分は管１８を紅て上記熱交換器１５
に送られ、残余の部分は管１９を経て図示しない公知の
アルゴン４ｐＩ製工程に送られ、製品島純アルゴンとさ
れる。熱交換器１５に送′られた租アルゴンはここで一
１７５℃まで罐却されたのち、管２０ｙｊ！：弁してア
ルゴンザイクル＃：ｆｉＷ器２１に導入される。
アルゴンサイクル縦紬器２１は、！２２．２３によって
複式桔貿塔ｌの凝縮器２４に接続され、上部塔２塔底６
歇化酸素で共通に冷却されるようになっており、尋人さ
れた粗アルゴンはζこで液化する。欧化祖アルゴンＦｉ
Ｉ＃ｔ２５を通９、歇ポンプ２６を社て弁２７で膨張し
て祖アルゴン塔４の上部にＭｆｉＱとして尋人され、鞘
貿に供される。
このように、この発明の製造方法にあっては、粗アルゴ
ン塔４−管７−熱父供器１５−管１６−圧紬器１７−管
１８−熱交換器１５−管２０−アルゴンサイクル凝縮器
２１−管２５−弁２７−粗アルゴン塔４のアルゴンサイ
クルが形成されることになる。
このようなアルゴンの製造方法によれば、アルゴンフィ
ードが増加して粗アルゴン塔４での所要Ｎ熱鷲な増加す
る必費が生じてもアルゴンサイクル中を循環する租アル
ゴン鉦を増加させて、粗アルゴン塔４に尋人する年位時
間尚りの粗アルゴン。
短を増力ｎ嘔ぜてやれはよく、従来の如く凝縮器４ａに
流す下部塔５からの液化空気量を増加させる会費かない
。従って、上部塔２に尋人される祖アルゴン塔４の凝縮
器４ａからの気化望見の増大に起の欧化敵累を蒸発させ
るに是りる圧力まで加圧したのらこのアルゴンカスなそ
の献化点近くまで冷却し、ついてアルゴンサイクルＭＭ
＆に尋人し、複式４′＃ｗ塔の上部塔紙の畝化敵累で冷
却して液化し、この液化アルゴンによって粗アルゴン塔
頂部を冷却し、ここで気化したアルゴンを加熱後、再び
上記圧力まで加圧するようにしたアルゴンサイクルを設
けるものであるので、アルゴンな島状率で採取できると
ともに消賀竜力賃も少なくて済む。
また、既設のアルゴン採取装置に１１率な改造を施すだ
けで本発明のアルゴンサイクルを付設でき、既設装置の
アルゴン製造能力のアップを間単に行うことができる。
【図面の簡単な説明】
第１−は従来のアルゴン製造装置を示すａ喪幇成回、第
２図は従来の輩索サイクルを付設したアルゴン製造装＃
をを示す概略徊成回、第３図は本発明のアルゴンの製造
方法な火施するに好適な製造装置の一例を示す奴略構成
口である。 ｌ・・・複式ｔＪ留塔、２・・・上部塔、４・・・粗ア
ルゴン塔、７・・・管、１５・・・熱父換器、１６・・
・管、１７・・・圧縮器、１８・・・管、２０・・・管
、２１−□・・アルゴンサイクル峡動器、２２・・・管
、２３・・・管、２５・・・管、２６・・・故ポンプ、
２７・・・弁。 出総人日本＠素株式会社 第１図 第２図

Claims (2)

    【特許請求の範囲】
  1. （１）　　複式′４’ｌｌｊ貿塔と粗アルゴン塔を備え
    た空気孜化分離装置によってアルゴンを製造するに―し
    、アルゴンガスを複式梢留塔の凝縮器の欣化敵木を蒸発
    嘔するに址９る圧力まで加圧し、かつ冷却した後、削配
    板式楕貿塔の上部塔底の漱化畝累によって故化ぜしめ、
    得られ７’Ｃｄ化アルゴンによって祖アルゴン塔頂部を
    冷却し、ここで気化したアルゴンを加熱恢再び上記圧力
    まで加圧するよう循環１しめる仁とを％頷とするアルゴ
    ンの製造方法。
  2. （２）前台己アルゴン７／スが粗アルゴン塔か、ら導出
    した粗アルゴンガスの一部でおり、残部をアルゴン祠製
    工楳に送ることを％鯖とする待針−氷の軛四第１−ＩＡ
    ｌｅ載のアルゴンの製造方法。
JP58023428A 1983-02-15 1983-02-15 アルゴンの製造方法 Granted JPS59150286A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58023428A JPS59150286A (ja) 1983-02-15 1983-02-15 アルゴンの製造方法
US06/578,200 US4575388A (en) 1983-02-15 1984-02-08 Process for recovering argon

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58023428A JPS59150286A (ja) 1983-02-15 1983-02-15 アルゴンの製造方法

Publications (2)

Publication Number Publication Date
JPS59150286A true JPS59150286A (ja) 1984-08-28
JPH0412392B2 JPH0412392B2 (ja) 1992-03-04

Family

ID=12110231

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58023428A Granted JPS59150286A (ja) 1983-02-15 1983-02-15 アルゴンの製造方法

Country Status (2)

Country Link
US (1) US4575388A (ja)
JP (1) JPS59150286A (ja)

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JPS62276387A (ja) * 1986-05-23 1987-12-01 株式会社神戸製鋼所 アルゴンの製造方法

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GB8622055D0 (en) * 1986-09-12 1986-10-22 Boc Group Plc Air separation
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GB8806478D0 (en) * 1988-03-18 1988-04-20 Boc Group Plc Air separation
US4842625A (en) * 1988-04-29 1989-06-27 Air Products And Chemicals, Inc. Control method to maximize argon recovery from cryogenic air separation units
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US5049173A (en) * 1990-03-06 1991-09-17 Air Products And Chemicals, Inc. Production of ultra-high purity oxygen from cryogenic air separation plants
US5129932A (en) * 1990-06-12 1992-07-14 Air Products And Chemicals, Inc. Cryogenic process for the separation of air to produce moderate pressure nitrogen
US5111947A (en) * 1990-12-04 1992-05-12 Patterson Michael C Tamper proof cap and container
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US5255524A (en) * 1992-02-13 1993-10-26 Air Products & Chemicals, Inc. Dual heat pump cycles for increased argon recovery
US5228296A (en) * 1992-02-27 1993-07-20 Praxair Technology, Inc. Cryogenic rectification system with argon heat pump
GB9414938D0 (en) * 1994-07-25 1994-09-14 Boc Group Plc Air separation
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JP3935503B2 (ja) * 1995-06-20 2007-06-27 大陽日酸株式会社 アルゴンの分離方法およびその装置
DE102007051183A1 (de) * 2007-10-25 2009-04-30 Linde Aktiengesellschaft Verfahren zur Tieftemperatur-Luftzerlegung
US10981103B2 (en) 2018-04-25 2021-04-20 Praxair Technology, Inc. System and method for enhanced recovery of liquid oxygen from a nitrogen and argon producing cryogenic air separation unit
US10663223B2 (en) 2018-04-25 2020-05-26 Praxair Technology, Inc. System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit
US10663222B2 (en) 2018-04-25 2020-05-26 Praxair Technology, Inc. System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit
US10816263B2 (en) * 2018-04-25 2020-10-27 Praxair Technology, Inc. System and method for high recovery of nitrogen and argon from a moderate pressure cryogenic air separation unit
US10663224B2 (en) * 2018-04-25 2020-05-26 Praxair Technology, Inc. System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit
CN115461584B (zh) 2020-05-11 2024-08-02 普莱克斯技术有限公司 用于从中压低温空气分离单元回收氮、氩和氧的系统和方法
CN115485519A (zh) 2020-05-15 2022-12-16 普莱克斯技术有限公司 用于产生氮和氩的低温空气分离单元的集成式氮液化器
US11619442B2 (en) 2021-04-19 2023-04-04 Praxair Technology, Inc. Method for regenerating a pre-purification vessel

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62276387A (ja) * 1986-05-23 1987-12-01 株式会社神戸製鋼所 アルゴンの製造方法
JPH0413633B2 (ja) * 1986-05-23 1992-03-10 Kobe Steel Ltd

Also Published As

Publication number Publication date
JPH0412392B2 (ja) 1992-03-04
US4575388A (en) 1986-03-11

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