JPS5874093U - Nitrogen production equipment - Google Patents

Nitrogen production equipment

Info

Publication number
JPS5874093U
JPS5874093U JP16948181U JP16948181U JPS5874093U JP S5874093 U JPS5874093 U JP S5874093U JP 16948181 U JP16948181 U JP 16948181U JP 16948181 U JP16948181 U JP 16948181U JP S5874093 U JPS5874093 U JP S5874093U
Authority
JP
Japan
Prior art keywords
rectification column
pressure rectification
nitrogen production
production equipment
nitrogen
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
JP16948181U
Other languages
Japanese (ja)
Inventor
後藤　雄二
小山　祥二
Original Assignee
株式会社日立製作所
日立産機エンジニアリング株式会社
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 株式会社日立製作所, 日立産機エンジニアリング株式会社 filed Critical 株式会社日立製作所
Priority to JP16948181U priority Critical patent/JPS5874093U/en
Publication of JPS5874093U publication Critical patent/JPS5874093U/en
Pending legal-status Critical Current

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  • 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。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面は、本考案の一実施例を説明するもので、本考案に
よる窒素製造装置のフローシートである。 ３・・・・・・窒素凝縮器、４・・・・・・低圧精留塔
、６・・・・・・高圧精留塔、７ａ、　　７ｂ・・・・
・・液体空気導管、８・・・・・・膨張弁、１２．１３
・・・・・・導管。The drawing explains one embodiment of the present invention, and is a flow sheet of the nitrogen production apparatus according to the present invention. 3...Nitrogen condenser, 4...Low pressure rectification column, 6...High pressure rectification column, 7a, 7b...
...liquid air conduit, 8...expansion valve, 12.13
······conduit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 上部に窒素凝縮器が設置された高圧精留塔と低圧精留塔
よりなる複式精留塔を有する窒素製造装置において、前
記高圧精留塔底部と前記低圧精留塔を連結し途中に膨張
弁が設けられた液体空気導管の該膨張弁の後流側にエジ
ェクターを設置すると共に、該エジェクターに前記窒素
凝縮器からの廃ガス導管より分岐し途中に一節弁を設け
た導管を連結したことを特徴とする窒素製造装置。In a nitrogen production apparatus having a double rectification column consisting of a high pressure rectification column and a low pressure rectification column with a nitrogen condenser installed at the top, the bottom of the high pressure rectification column and the low pressure rectification column are connected, and an expansion valve is installed in the middle. An ejector is installed on the downstream side of the expansion valve in a liquid air conduit provided with a liquid air conduit, and a conduit branched from the waste gas conduit from the nitrogen condenser and provided with a one-way valve in the middle is connected to the ejector. Features of nitrogen production equipment.
JP16948181U 1981-11-16 1981-11-16 Nitrogen production equipment Pending JPS5874093U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16948181U JPS5874093U (en) 1981-11-16 1981-11-16 Nitrogen production equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16948181U JPS5874093U (en) 1981-11-16 1981-11-16 Nitrogen production equipment

Publications (1)

Publication Number Publication Date
JPS5874093U true JPS5874093U (en) 1983-05-19

Family

ID=29961469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16948181U Pending JPS5874093U (en) 1981-11-16 1981-11-16 Nitrogen production equipment

Country Status (1)

Country Link
JP (1) JPS5874093U (en)

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