JPH0370976A - 空気分離装置 - Google Patents

空気分離装置

Info

Publication number
JPH0370976A
JPH0370976A JP1204676A JP20467689A JPH0370976A JP H0370976 A JPH0370976 A JP H0370976A JP 1204676 A JP1204676 A JP 1204676A JP 20467689 A JP20467689 A JP 20467689A JP H0370976 A JPH0370976 A JP H0370976A
Authority
JP
Japan
Prior art keywords
air compressor
air
diesel engine
driven
power
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
JP1204676A
Other languages
English (en)
Inventor
Junichi Hosokawa
純一 細川
Hisazumi Ishizu
石津　尚澄
Buntaro Kawase
河瀬　文太郎
Mitsuhiko Nakamura
中村　三彦
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.)
Hitachi Ltd
Resonac Holdings Corp
Original Assignee
Showa Denko KK
Hitachi Ltd
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 Showa Denko KK, Hitachi Ltd filed Critical Showa Denko KK
Priority to JP1204676A priority Critical patent/JPH0370976A/ja
Publication of JPH0370976A publication Critical patent/JPH0370976A/ja
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
    • F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
    • F25J3/04612—Heat exchange integration with process streams, e.g. from the air gas consuming 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
    • 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
    • F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04012—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling
    • F25J3/04018—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling of main feed air
    • 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
    • F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04109—Arrangements of compressors and /or their drivers
    • F25J3/04115—Arrangements of compressors and /or their drivers characterised by the type of prime driver, e.g. hot gas expander
    • 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
    • F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04109—Arrangements of compressors and /or their drivers
    • F25J3/04115—Arrangements of compressors and /or their drivers characterised by the type of prime driver, e.g. hot gas expander
    • F25J3/04133—Electrical motor as the prime mechanical driver
    • 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
    • F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04109—Arrangements of compressors and /or their drivers
    • F25J3/04139—Combination of different types of drivers mechanically coupled to the same compressor, possibly split on multiple compressor casings
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B3/00—Engines characterised by air compression and subsequent fuel addition
    • F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
    • 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
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/22—Compressor driver arrangement, e.g. power supply by motor, gas or steam turbine
    • 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
    • F25J2270/906—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration by heat driven absorption chillers
    • 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
    • F25J2280/00—Control of the process or apparatus
    • F25J2280/02—Control in general, load changes, different modes ("runs"), measurements
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • 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】 〔産業上の利用分野〕 本発明は空気分離装置に係り、特に空気圧縮機の動力低
減に好適な空気分離装置に関するものである。
〔従来の技術〕
従来の装置の空気圧縮機は電動機で駆動されており、原
料が空気であるため、ランニングコストの大部分を原料
空気な昇圧、送気する電力費で占めていた。
なお、この種の装置として関連するものには例えば特開
昭５８−１３８９７４号が挙げられる。
〔発明が解決しようとする課題〕
上記従来技術は空気圧縮機の動力低減について配慮がさ
れておらず、電気をその駆動源とするため、電動機効率
によりランニングコストが決まりその低減には限界があ
った。また停電時には装置が運転できなかった。
本発明の目的は空気圧縮機の動力低減を図ると共に、ラ
ンニングコストの低減が図れる空気分離装置を提供する
ことにある。
〔課題を解決するための手段〕
上記目的は、空気圧縮機の駆動源として設けた電動機、
あるいはディーゼルエンジンのいずれか所望のものに切
替えて空気圧１１１機を駆動することにより、連成され
る。
〔作　　　用〕
空気圧縮機は、従来の如＜電動機により駆動されると共
に、重油等を燃料としてディーゼルエンジンにより駆動
される。さらに、ディーゼルエンジンの排気ガスを吸収
式冷凍機により排熱回収を行い冷水を作り、この冷水に
より原料空気の冷却を行うので空気圧縮機の動力低減が
図れる。
〔実　施　例〕
以下、本発明の一実施例を第１図により説明する。
図において、原料空気は空気圧縮機１により昇圧され冷
却器６で冷却後吸着塔７で水分と炭酸ガスを吸着除去し
、深冷分離部へ送気される。該原料空気は空気熱交８で
液化温度まで冷却され精留塔９に入り、＃１１素、窒素
に分離される。該原料空気の一部は、空気熱交８より抜
き出され、膨張タービン１０で膨張し、深冷分離部を低
温に保つ寒冷を発生する。精留塔９で分離された酸素お
よび窒素は空気熱交８で常温まで昇温された後製品ガス
として送気される。
空気圧縮機１は電力使用時は電動機２により駆動される
。＞また、デイ−イルエンジン駆動時は、油タンク５よ
り供給されＺ１重油等を燃料源りして、デイ−ぜルエン
ジン３をｍａしこれにより空気圧縮１ｆ１１を駆動する
。この時電動機２は発電機として補機等に必要な電力を
発電供給することも可能である。ぎらに、ディーゼルエ
ンジン３の排気ガスは吸収式冷凍機４．の熱媒として用
いられ、該熱媒により冷水を作り、この冷水により空気
圧縮機１の中間冷却器および空気冷却器６で原料空気の
冷却を打う。前記冷水を用いることにより、空気圧縮後
玉の中間段での吸入［１を下げ動力を低減することがで
きる。
本実施例によれば、全気分ＩＩｌ装置の所要動力の大半
を６める空気圧縮機を電動機駆動とディーゼルエンジン
駆動とに電力および燃料の供給事情に応じて切替えるこ
とにより、空気分離装置のランニングコストの低減が図
れる。また、吸収式冷凍機による排熱回収により、空気
圧ｍａの動力を低減することができる。従って空気公庫
装置運転に対して経済的な効果がある。
さらに、ディーゼルエンジンの保守点検時は電力による
電動機駆動、あるいは停電時はディーゼルエンジンを用
いることにより駆動動力源を二重化することになり、空
気分離装置の稼働率が向上できるので設備の信頼性も向
上する。
〔発明の効果〕
本発明によれば、電動機、あるいはディーゼルエンジン
のいずれか所望の駆動源で空気圧縮機を駆動することに
より、空気圧縮機の動力低減を図ると共に、空気分離装
置のランニングコストの低減が図れる効果がある。
【図面の簡単な説明】
第１図は本発明の一実施例の空気分離装置の系統図であ
る。 ｌ・・−・・空気圧縮機、２・・−・・電動機、３・・
−・・ディーゼルエンジン、４・・−・・吸収式冷凍機
、７・・曲吸オ１図 シー−−一部”ｖＩｌト

Claims (1)

  1. 【特許請求の範囲】 １、空気圧縮機と、前処理装置と、液化精留部とからな
    る空気分離装置において、 前記空気圧縮機の駆動源として連結させた電動機、ある
    いはディーゼルエンジンのいずれか により、空気圧縮機を駆動するように構成したことを特
    徴とする空気分離装置。 ２、前記ディーゼルエンジンを駆動源とする場合、該デ
    ィーゼルエンジンの排気熱を利用する吸収式冷凍機を設
    けたことを特徴とする請求項第１項記載の空気分離装置
    。
JP1204676A 1989-08-09 1989-08-09 空気分離装置 Pending JPH0370976A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1204676A JPH0370976A (ja) 1989-08-09 1989-08-09 空気分離装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1204676A JPH0370976A (ja) 1989-08-09 1989-08-09 空気分離装置

Publications (1)

Publication Number Publication Date
JPH0370976A true JPH0370976A (ja) 1991-03-26

Family

ID=16494452

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1204676A Pending JPH0370976A (ja) 1989-08-09 1989-08-09 空気分離装置

Country Status (1)

Country Link
JP (1) JPH0370976A (ja)

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