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TW431904B - Process and apparatus for the production of nitrogen by cryogenic distillation - Google Patents

Process and apparatus for the production of nitrogen by cryogenic distillation Download PDF

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Publication number
TW431904B
TW431904B TW088107895A TW88107895A TW431904B TW 431904 B TW431904 B TW 431904B TW 088107895 A TW088107895 A TW 088107895A TW 88107895 A TW88107895 A TW 88107895A TW 431904 B TW431904 B TW 431904B
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Taiwan
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handle
sewing
switch
bag
nitrogen
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TW088107895A
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English (en)
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Bao Ha
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Air Liquide
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    • 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
    • F25J3/04872—Vertical layout of cold equipments within in the cold box, e.g. columns, heat exchangers etc.
    • F25J3/04884—Arrangement of reboiler-condensers
    • 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
    • F25J3/04254—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using the cold stored in external cryogenic fluids
    • 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
    • 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
    • F25J3/04624—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 integrated mass and heat exchange, so-called non-adiabatic rectification, e.g. dephlegmator, reflux exchanger
    • 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
    • F25J3/04624—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 integrated mass and heat exchange, so-called non-adiabatic rectification, e.g. dephlegmator, reflux exchanger
    • F25J3/0463—Simultaneously between rectifying and stripping sections, i.e. double dephlegmator
    • 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
    • F25J2200/00—Processes or apparatus using separation by rectification
    • F25J2200/04—Processes or apparatus using separation by rectification in a dual pressure main column system
    • 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
    • F25J2205/02—Processes or apparatus using other separation and/or other processing means using simple phase separation in a vessel or drum
    • 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
    • F25J2215/00—Processes characterised by the type or other details of the product stream
    • F25J2215/42—Nitrogen or special cases, e.g. multiple or low purity N2
    • F25J2215/44—Ultra high purity nitrogen, i.e. generally less than 1 ppb impurities
    • 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
    • F25J2230/40—Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being 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
    • F25J2230/00—Processes or apparatus involving steps for increasing the pressure of gaseous process streams
    • F25J2230/52—Processes or apparatus involving steps for increasing the pressure of gaseous process streams the fluid being oxygen enriched compared to air, e.g. "crude oxygen"
    • 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
    • F25J2245/02—Recycle of a stream in general, e.g. a by-pass 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
    • F25J2245/00—Processes or apparatus involving steps for recycling of process streams
    • F25J2245/42—Processes or apparatus involving steps for recycling of process streams the recycled stream being 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
    • F25J2250/00—Details related to the use of reboiler-condensers
    • F25J2250/04—Down-flowing type boiler-condenser, i.e. with evaporation of a falling liquid film

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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)
  • Sewing Machines And Sewing (AREA)

Description

M431904 五、新型說明： 【新型所屬之技術領域】 本創作係有關一種手提式縫袋機開關改良結構，尤指提 把開關按钮上設有扳機片’使按壓操作容易對位確保觸動開 關，產生持續的車縫線以提高縫合袋口的封口品質。 【先前技術】 按，手提式縫袋機是將已裝滿物品的紙、布'化纖質料 • 之袋體予以車縫封口的工業用縫紉機。其基本上可分為單線 和雙線兩種，單線鍊式車縫的封包縫匆機耗用縫線較省，折 除封口線跡亦方便，線縫強度可適用於裝載量6 〇 k g以下 的袋包封口，故被廣泛應用於場地分散和縫封輕量的袋包。 如苐1圖所示，習知的手提式縫袋機結構其前端具有一 車縫口 ’於車縫口邊上設有一壓腳，機體的側上設有一馬達 及線軸’而機體的後方則設有一提把，該提把呈中空狀並 鲁叹有-3]孔’使内置—開關的按辦經圓孔而突出到提把的 下方邊位，以方便手持按壓操作。 但習知結構的提把開孔略大，開關按縫點狀配置，在 按屢時會約略的晃動移位，短時間操作按麼對位不致產生太 ^題不過因為一台機器全重約4.5kg左右，如果長 寺門操作難免手酸及按麼按知的手指發麻，加上按點太小又 會晃動手切容易脫位無法確實蝴，以致使車縫線出現 斷、’負不接’袋口車縫封裝不良之問題，為其主要缺點。 3 【新蜇内容】 因鑑於上述習知手提式縫袋機結構所存在的缺點，本創 作人乃積極加以研究、改良、設計，而提供一種手提式缝袋 機開關改良結構，主要包括： 一機體，其刖端具有一車縫口，於車縫口邊上設有一壓 腳； 一馬達’設於機體的側上； 一線軸’配置於機體的另邊側上； -提把，連設於機體的後上方，其呈中空狀内置有一開 關’提把上並設有一開孔，使内置開關的按紐可經開孔突出 到提把的下方邊位，以及； -扳機，具有按壓復轉性，其—端基侧設於提把 上，另端之扳壓部則騰空含蓋在開關按鈕上方； 藉此，使縫袋機操作時，只要按下扳機片之板壓部即可 確保按紐觸動開關，使車縫作業得以正常進行，產生持續的 車縫線以提高縫合袋口的封口品質。 【實施方式】 為使能進—步畴本_之構肋容及其婦點，兹舉 本創作較具體之實施例，並配合關之實施鱗細說明如以 下所述。 一機體1，其前端具有_車縫σ11，於車縫口丄 上設有一壓腳12; M431904 一馬達2，設於機體1的側上； 一線軸3，配置於機體1的另邊側上；
一提把4，連設於機體1的後上方，其呈中空狀内置有 一開關41，提把4上並設有一開孔42，使内置開關41 的按鈕43可經開孔4 2突出到提把4的下方邊位，以及； 一扳機片5，具有按壓復位彈性，其一端基部51固設 於提把4上，另端之扳壓部5 2則騰空含蓋在開關41的按 紐4 3上方； 最簡單實用的設計，是在該扳機片5的基部51上設有 一鎖孔5 3，以供螺栓54穿固在提把4上所設之一鎖孔4 4上；該鎖孔4 4配置時可設於提把4侧壁的内緣，使與穿 孔4 2概成垂直配置，而該扳機片5則設呈一l形鈍尖舌 體，於其扳壓部5 2上設有一膠質護套5 5，以保護手指並 方便按壓使用。
藉此，如第2〜5圖所示，本創作之有效結構設計，可 使扳機片5的扳壓部5 2大範圍含蓋在開關4 i按鈕4 3 的上方’故縫雜操辦’無論手握雜转雜的變動（如 第4、5圖）’皆可輯手指按到扳機片5，叫板壓則 2壓觸到關4 1的按知4 3，使機體1正常通電作動，操 作者-手提袋口，另-手握住縫袋機，機器在袋口上移動 時’可產生持續的車縫線不會斷斷續續，使車縫作業曰^ 常進行以提高縫合袋口的封口品質。 ' ' 5 綜上所述，本創作結構簡單新賴且實用，功能上遠勝於 習式產品之結構，具進步性及產業利用價值，符合新型專利 要件，菱依法提出新型專利之申請。 上述具體的實施例係用來詳細說明本創作的目的、特徵 及功效，但僅為本創作的部分實施例，當不能以此限定本創 作的實施細，凡熟悉此類技#的人錄據上舰明，及依 以下申請專利範圍所載的結構裝置特徵及在功效上所作等 效性的變換或修改’其本質未脫離本創作的精神範轉者，皆 應包含在本創作的專利權範圍。 【圖式簡單說明】 第1圖’係習知手提式縫袋機之立體外觀圖。 第2圖.係本創作手提式縫袋機之立體外觀圖。 第3圖：係本創作之局部分解示意圖。 第4圖：係本創作之應用示意圖。 第5圖：係本創作不同手握方向之應用示意圖。 【主要元件符號說明】 1 · ·. •.機體 12.. ••壓腳 3 · ·. ..線軸 4 1·. •.、開關 4 3.· ••按紐 5 · · · •扳機片 5 2·· •扳壓部 5 4·· ••螺栓 11· •.車缝口 2 · · • · ·馬達 4 · · • ••提把 4 2· • ••開孔 4 4· • · ·鎖孔 5 1. • · ·基部 53 · • · ·鎖孔 55 · • · ·護套

Claims (1)

  1. 申請專利範圍： ί·一種手提式縫袋機開關改良結構 -機體，其前端具有-車縫口，於車:口邊上設有 一壓腳； 又有 一馬達，設於機體的側上； 一線軸，配置於機體的另邊側上； 一提把，連設於機體的後上方，其呈中空狀内置有 一開關’提把上並設有-開孔，使内置開關的按紐可經 開孔突出到提把的下方邊位，以及； β 一板機片，具有按麼復位彈性，其-端基部固設於 提把上’另端之扳㈣則騰空含蓋在觸胁上方； 藉此’操作時’按下扳機片之扳麼部即可確保按赵 觸動開關，使車縫作業得以正常進行，產生持續的車縫 線以提高縫合袋口的封口品質。 如申叫專利範圍第1項所述之手提式縫袋機開關改良結 籌八中該扳機片的基部上言史有一鎖孔，供螺栓固穿在 提把上所設之一鎖孔上。 如申》月專利@第2項所述之手提式縫袋機開關改良結 構，其中該鎖孔設於提把側壁的内緣，與穿孔概成垂直 配置。 如申4專利範圍第1項所述之手提式縫袋機關改良結 構，其中該扳機片呈一乙形鈍尖舌體，其扳壓部上設有 一膠質護套。
TW088107895A 1998-05-22 1999-05-14 Process and apparatus for the production of nitrogen by cryogenic distillation TW431904B (en)

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US09/083,570 US5899093A (en) 1998-05-22 1998-05-22 Process and apparatus for the production of nitrogen by cryogenic distillation

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US (1) US5899093A (zh)
EP (1) EP1086345B1 (zh)
JP (1) JP4308432B2 (zh)
CN (1) CN1195194C (zh)
AU (1) AU4068699A (zh)
CA (1) CA2344503C (zh)
DE (1) DE69910569T2 (zh)
TW (1) TW431904B (zh)
WO (1) WO1999061854A1 (zh)

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JPH11244603A (ja) * 1998-03-03 1999-09-14 Mitsubishi Chemical Corp デフレグメータ
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US6295836B1 (en) 2000-04-14 2001-10-02 Praxair Technology, Inc. Cryogenic air separation system with integrated mass and heat transfer
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US5899093A (en) 1999-05-04
WO1999061854A1 (en) 1999-12-02
CA2344503A1 (en) 1999-12-02
CA2344503C (en) 2008-09-16
AU4068699A (en) 1999-12-13
CN1302369A (zh) 2001-07-04
EP1086345B1 (en) 2003-08-20
CN1195194C (zh) 2005-03-30
JP4308432B2 (ja) 2009-08-05
DE69910569T2 (de) 2004-06-17
EP1086345A1 (en) 2001-03-28
JP2002516980A (ja) 2002-06-11
DE69910569D1 (de) 2003-09-25

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