TW209856B - - Google Patents

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Publication number
TW209856B
TW209856B TW080100629A TW80100629A TW209856B TW 209856 B TW209856 B TW 209856B TW 080100629 A TW080100629 A TW 080100629A TW 80100629 A TW80100629 A TW 80100629A TW 209856 B TW209856 B TW 209856B
Authority
TW
Taiwan
Prior art keywords
fluorine
patent application
broken
item
furnace
Prior art date
Application number
TW080100629A
Other languages
English (en)
Original Assignee
Air Prod & Chem
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 Air Prod & Chem filed Critical Air Prod & Chem
Application granted granted Critical
Publication of TW209856B publication Critical patent/TW209856B/zh

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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
    • F25J3/04521Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
    • F25J3/04593The air gas consuming unit is also fed by an air stream
    • F25J3/04606Partially integrated air feed compression, i.e. independent MAC for the air fractionation unit plus additional air feed from the air gas consuming unit
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B3/00Charging the melting furnaces
    • C03B3/02Charging the melting furnaces combined with preheating, premelting or pretreating the glass-making ingredients, pellets or cullet
    • C03B3/023Preheating
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/04Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in tank furnaces
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/235Heating the glass
    • C03B5/2353Heating the glass by combustion with pure oxygen or oxygen-enriched air, e.g. using oxy-fuel burners or oxygen lances
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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
    • F25J3/04521Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
    • F25J3/04527Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02Processes 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
    • F25J3/04Processes 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
    • F25J3/04521Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
    • F25J3/04612Heat exchange integration with process streams, e.g. from the air gas consuming unit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2240/00Processes or apparatus involving steps for expanding of process streams
    • F25J2240/02Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream
    • F25J2240/10Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream the fluid being air
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Description

209856 Λ 6 Β6 經濟部中央標準扃員工消费合作社印製 五、發明説明() (八十一年十一月修正) 至少該製破物質之一部分進一步冷卻至少該排氣之一部分 ,從轅排氟分離出實質上純之二氡化破以作爲本方法產品 ,並獲得作爲本方法產品之一澄清玻瑀。 較佳地,該排氟之一部分,在被該批料及/或破瑀屑 進料冷卻後及分離出二氣化破前,被再循環至該製破爐之 熱排氣並與之混合,以驟冷及冷卻該熱排氟0 较佳地,該排氟被分離或一二氣化破產品,一排出流 及水。遲擇性地,該排氣所分離出之一部分水被用於驟冷 從製破爐出來之熱排氟。 较佳地,該排氟之一部分與該玻璘肩進行熱交換而被 冷卻並且該破璃肩同時被加熱。 较佳地,該排氟與該批料進行熱交換而被冷卻並且該 批料同時被加熱〇 較佳地,該二氡化破分離採用一冷凍蒸餾。遴擇性地 ,該二氧化破分離採用一吸附性分離。另一種遴擇爲該二 氧化破分離採用一薄膜分離。 较佳地,該氣氣增滾氣體爲商業上可獲得純氡。更佳 地,該氧氣增滚氣體爲至少93%氧。 更佳地,本發明之方法爲一種於一製破爐中利用燃洗 熱以熔融製玻物質而製造破璃之整合性方法,包含:於一 製破壚中藉於一氣氟增濃氧化流下燃燒燃料而加熱裝破物 質批料及玻璃屑進料,從該製破爐中移出一包含有一實質 上含二氧化破燃燒產品及進料揮發物之排氣,及與一高壓 氣艘流進行非直接熱交換而冷卻該排氣,而該氣髏流於熱 -6 - f請先閲讀背面之注意事項再場寫本頁} •裝· 訂· 本紙張又度適用中國國家標準(CNS)甲4規格(2i〇 X 297公梦) 209856 Λ 6 Β6 經濟部中央標準局員工消費合作社印製 五、發明説明() (八+—立丄 (八十一年十一月修正) 會存在有氮氟)°進而言之,於該方法中使用高純度氧氣 允許了二氧化破副產品以高純度方式被獲得。遲择性的, 有用之機械或電能源可以被面收使用於,例如,空氣分離 ,製破爐之電輔熔或簡單地傳輸至其他操作。 阓1顆示了本發明之一第一较佳具親實旄例,其τ用 於製造,例如,每天25〇噸之破瑀。管路1中之空氣於一空 氣分離單元2藉冷味’薄旗或一说附性PSA或VSA系統而被 分離,以產生每小時约48,2〇0標準立方英吸之93%氣,4% 氣,及氮之高純度氣氟流3。另外,一廢氮氟流亦被產 生於管路4中。標示線路5之一约610千瓦的能源被輸入旄 用於該空氣分離。管路3中之氧氣可以被直接導入爐9或( 雖然未顒示於圖中〉可被從製破壚出來之熱廢氟進一步非 直接加熱。管路6中之天然氣或其它合速燃料,流量每小 時爲25,000襟準立方英呎(25 MMBTU/hr HHV),經逷一熱 交揍器7而被從褽破爐出來、位於管路23b之熱廢排氣加热 至温度约1,000°ρ。位於管路8中之被加熱的天然氣流被導 入爐9進行燃燒。每小時約7,11〇磅之破瑀肩進料1〇(再循 環破璃)於一破塢屑蕷熱器11中被位於管路23a之熱廢排氣 加熱至約12〇〇〇F,並且每小時進料16,6〇〇磅之批料13(砂 ,即Si〇2,及—或多種氡化鋁,心2〇,so,石灰石,長 石’破歧勤或务’及潘清化學品)於批料預熱器14中亦被 熱廢排氡24加熱至_〇〇ρ。位於管路以預熱遇破填屑 與傾熱遇批料15兩者被沒合,而且位於管路16之混合物被 導入製坡壤9。 (請先閱讀背面之注意事項再塡寫本頁) .丨裝- —訂 本紙張认適种關家辟(CNS^· 4規格(210 X 297公货〉 209856 A6 B6 經 濟 部 中 央 標 準 局 工 消 費 合 作 社 印 製 五、發明説明() (八十一年十一月修正) 於褽破埴9中,藉天然氧與氧氣之熾燒所释放出之薄 熱來熔融製破物質之泯合物而形成熔融坡璃狀態。該壚被 提供有一約ι,οοο千瓦能量輸入(9〇%熱效率)之t輔熔器17 。每天大約25〇噸之熱玻璃1β,約2,43〇°p,離閉爐9之熔 融區,並且流至未顯示之澄清區。從製破爐9排出,位於 管路19之熱廢排氣,其流量爲每小時110,〇〇〇標準立方英 呎,約2,i9〇°F,於一直接熱交換脒冷塔2〇中藉與位於管 路3〇中之每小時100, 〇〇〇標準立方英呎之再楯澴冷排氟汛 合而被驟冷至约i3〇〇T。於該熱氣體騄冷塔2〇中,熱的凝 結物例如硫酸餉,硼酸里,氟化物及其它(進料揮發物〉, 以及批料粒子,被回收並由管路22排出。此熱的徒結物之 一部分,雖然未顯示於固中,可以被冷卻,固化且再循獴 至批料物質作爲一澄清則。其餘部分叮被视爲廢紊物排除 。位於管路21之排氟被分成流23a及流23b,其中流23b經 遇熱交換器7而非直接加熱位於管路6之天然氣,此加熱遍 之天然氣再由管路8進入製破壤9。管路23a之排氟於破填 屑預熱器(熱交換器)11加熱該破瑀屑而被冷卻後,與位於 管路23b之排氛混合而產生位於管路&中之排氣,此排氣 於批料預熱器(熱交換器)14加熱批料而被進一步冷卻〇位 於管路25之排氣,其含有约5〇*二氣化破及5〇*水蒸汽及少 量氪與氬,微量NOx與SOx及粒子,於一冷卻器%中被外界 冷卻流體例如水進一步冷卻至约2〇〇〇p,而獲得一流27, 此流27被導入一再循環鼓風機28。位於管路Μ巳冷卻之排 氣的一部分經由管路3〇被再循環至熱氣體驊冷塔2〇。其餘 (請先閲讀背面之注意事項再場寫本頁) 丨裝- 訂. -9 A6 B6 209856 五、發明説明() (八十一年十一月修正) 212之加熱遒破填肩212與位於管路us之批料合倂,位於 管路2i6之合倂物以新蛘進料方式被導入於旗I坡壚2〇9。 故被再次合倂之排氟226於热交換器227中爲一外界流饉, 例如冷卻水,所冷卻,再絰由管路228進入一再彿猿鼓風 機229。位於管路23〇中之該排氣於是被输送至一二氧化 破回收區231。使用冷凍,薄膿或吸附性分離,二氡化破 被取出至管路232中,作爲本方法之一產品,以及位於管 路234中之水及位於管路233中之一量排出氟體。淨得之水 被移出至管路235中,但位於管路236中之部分水可被再衡 環用作爲該熱排氟驟冷塔22〇中之脒冷或一部分称冷。 如上所示,此具體實施例於驟冷塔22〇中藉著將位於 管路221中之水(每小時2,97〇磅)噴暹於該排氣上而將溫度 約2,2〇〇°F之該熱廢排氟驟冷至约1300下。 遴擇性地’吁能使用從空氟分離單元出來位於管路 204之廢氪氣作爲驟冷用,但是此悄·形下將慠底的影響位 於管路23〇中冷排氟的二氧化破含量及降低了回收二氣化 破分離計劃之可行性’同時降低了可銷售二氣化破副產品 之獲得,此必須藉一氮二氣化破分離而獲得。 另外一種遴擇,亦有可能使用該進料物質之一部分, 例如批料,石灰石或破璃屑作爲螈冷媒體,例如於一流體 化床’滴流床或移動床進行直接熱交換接觭。 參照圖3所示爲本發明之一第三較佳具體實施例,其 中管路3〇1之空氣被導入一空氣分離單元3〇2,其使用管路 3〇5中所示之能量,以產生位於管路3〇3每小時62,〇〇〇榡準 -11 - 表紙張尺度適用中國國家標準(CNS)甲4規格(210 X 297公釐) (請先閲讀背面之注意事項再填寫本頁) _裝. -11. 經濟部t央標準局员工消費合作社印製 209856 A6 B6 五、發明説明() (八十一年十一片修正〉 立方英呎之高统度氣及管路3〇4中之一廢氮氟流。麴能量 消牦爲78〇千瓦。管路306中之天然氣以条小時3〇,4〇〇裸準 立方英呎被導入一非直接熱交換器3〇7,而爲位於管路313 之部分排氣所預熱至i,〇〇〇°F,接著由管路3〇8送入該製破 壚3〇9而與管路3〇3導入之氣氟增滚氟髋進行熾浼。管路 310中每小時大約7,100磅破瑀屑進料於破瑀屑預熱器(热 交换器〉311中被熱廢排氣加熱至86〇°F,並與管路315中每 小時16,6〇〇磅之批料混合。接著將所獲得混合物,位於管 路316,導入該製破壚3〇9。該製破爐如線路317所示被電 輔助加熱,能量輸入1,000千瓦。該破瑀物質藉溫度2,670 °F之燃燒氣體之導入而被熔融至約2,43〇°F。核製破爐309 中所生產之破璃爲每天約25〇噸,由管路31β移出。每小時 大約137,4〇0標準立方英呎之熱廢排氣,溫度2,220°F,由 管路319被移出。此熱麋排氧於一復熱器32〇(作成一圓苘 及管狀噬式非直接熱交換器)中被冷卻,而使得位於管路 321中之排氣的溫度爲1,100下。 該冷卻係藉將一位於管路322中之壓縮氟體,例如空 氣’邋過該復熱器热交揍器32〇而達成。其金屬表面之滇 度必须被維持低於约l,4〇〇°p以避兔金屬損壤。任何熱的 凝結物,例如硫睃餉,可以從該復熱器流出,雖然此未被 示於明中。位於管路323中之加熱遍熱空氣接著經一膨脹 器324膨脹而產生能量,此能责之一部分可爲壓縮機328所 消牦(其壓缩被用於熱交揍之氣體)。淨得到之能责32S叮 以籍一合逮冁動發動機而產生一釉能量或電能。此能责叮 -12 - 本紙張尺度適用中國國家標準甲4規格(210 X 297公釐) f請先閲讀背面之注意事項再塡寫本頁) -丨装. 訂 經濟部中央標準局8工消費合作社印製 20985ο Α6 Β6 經濟部中央標準局B工消費合作社印製 五、發明説明() (八十一年十-月修正) 達3〇〇千瓦。此淨能量吁用於該製破爐之電輔熔或可被用 於該空氟分雜單元302。此外,此淨能责亦可用於二氧化 破®权系統或簡單地提供輸出。位於管路326中之脒脹遇 空氟於非直接熱交換器346爲一外界冷卻流體例如冷卻水 所冷卻,並且揍著與位於管路329之任何需要進料氟髏, 例如空氟,合倂而壷生一流327,此流327於壓縮機328進 行壓縮至一异高壓力。該高壓氧《之一部分,如果其爲空 氟,可以從管路33〇被移出,並且作爲管路3〇1中空氱之一 部分而與進料空氟被導入空氟分離單元3〇2〇此#獴性封 閉管路系統籍著非直接熱交換·復熱器32〇提供了冷卻麴製 玻爐排氟訂9之冷卻责任,同時潛在地提供了空氣及淨能 量。 管路321之冷卻遇排氟被分成一位於管路殘留排 氣及一位於管路313之旁管排氟流。此旁管流於非直接熱 交換器3〇7藉加熱該燃料或天然氧(其於受熱狀態下由管路 3〇8被導入製破爐3〇9)而被冷卻至約4〇〇〇p。管路Η*中冷 卻遇旁管排氣與從該破瑀肩预熱器(熱交揍器〉S11出來, 位於管路332之其它排氡再次合倂。31〇中之破填屑被移出 於管路打2並與管路打5之批料合倂,而產生位於管路n6 中被導入該製破爐3〇9之一合倂進料。管路332及314的排 氣流再次合併所形成之合併流333,於一非直接热交換·器 334中被一外界冷卻流體,例如水,所冷卻。此再次合倂 浼之壓力,巳位於管路335,可藉經過一嘖射器336而増加 ,該噴射器被導入管路339之空氟(其絰由鼓風機US及管 -13 - (請先閲讀背面之注意事項再塡寫本頁) _裝_ 訂. 本紙張尺度適用T國國冢標準(CNS)甲4規格(210 X 297公货)

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  1. A7 B7 C7 D7 209856 穴、申請專利範圍 (八十一年十一月修正) 1. 一種遑用於製造破璘之整合性方法,其係利用嫩燒熱 而於一製破爐内熔触製破物質,包含: (a) 藉燃料與一氧氣增滾氧化刻流燃燒而於一製破爐 内加熱褽破物質批料及破璃屑進料; (b) 從該製破壚移出包含一實質上含二氡化破嫩燒產 品及進料揮發物質的一熱排氟,並且使用一相對較冷之 操作流驟冷敌#氟以凝結出該揮發物質; (c) 以進入該製玻爐之燃料及至少敌製破物質的一部 分進一步冷卻至少該排氟之一部分; (d) 藉遴自冷凍蒸你、《•附性分離、薄膿分離及其組 合所組成的族尊的一分緣方式,從該排氟分離出實質上 純之二氣化破,其被作爲本方法之一產品;及 (e〉獲得作爲本方法之一產品的一潘清玻填。 2·依申請專利範《第1項所述之方法,其中拔排氟的一 部分在被該批料及/或破瑱屑進料冷卻後,但在二氧化破 分離前被再#缳妓與從製玻爐出來之該熱排氟混合,以脒 冷及冷卻該熱排氟。 3.依申請專利範園第1項所述之方法,其中步縣(c)之該 排氣被分離出一二氧化破產品’一排出流及水。 4·依申請專利範園第3項所述之方法,其中至少該水的 -16 - 本紙張尺度適《中菌國家櫺竿(CNS)甲4规格(210 X 297公釐〉 'I--.------------~ -------裝------訂 (請先Μ讀背面之注意事項典墒寫本頁) 缓濟部中央埭準局具工消费合作钍印* 鰻 局 Ά X 209856 A7 B7 C7 D7 申請專利範園 一部分被用於鵰冷該熱排氟。 依申請專利範面第1項所述之方法,其中該排氟之一 部分與該破璃肩進行熱交換而使得款排氟被冷卻而該破瑀 屑被加熱。 6·依申請專利範面第1項所述之方法’其中該排氟與該 批料進行熱交揍而使得該排氟被冷卻而敘批料被加熱。 7·依申請專利範園第1項所述之方法,其中該氣氟増滾 氟體爲商業上純氧。 8.依申請專利範面第1項所述之方法,其中該氧氟増滾 氟嫌爲至少93*氧氟。 9.一種逋用於製造破瑀之簽合性方法,其係利用燃燒 熱而於一製破爐内熔融製破物質,包含: U)藉燃料與一氣氟增滾氧化則流燃燒而於一製坡爐 内加熱製破物質批料及破璃屑進料; (b)從該製破爐移出包含一實質上含二氧化破嫩澆產 品及進料揮發物的一熱排氟,並且藉與一异廛氟體流進 行非直接热交楱而冷卻該排氧,該异墨氟體流於該熱交 換中被加熱,級一渦輪膨脹以獲得能黃,被一外界冷卻 流體冷卻,並被再次靨縮以用作爲該界壓氟體; -17 - (CNS)甲 4 ^格(210 X 297 公翁〉 (請先閲讀背面之注意事項再塡寫本頁) -裝· 訂. 2 A7209856 C7 ___ D7 六、申請專利範团 (C)以進入該製破壚之燃料及至少該製破物質的一部 分進一步冷卻至少該排氱之一部分; (d) 藉遴自冷凍蒸餾、炙附性分離、薄胰分離及其组 合所組成的族尊的一分雜方式,從該排氣分離出實質上 純之二氡化破,其被作爲本方法之一產品;及 (e) 獲得作爲本方法之產品的一澄清破瑀。 1〇.依申請專利範園第9項所述之方法,其中該界壓氟《 流爲空氣。 依申請專利範面第10項所述之方法,其中該弄壓氟 體的一部分被用作爲空氟分離遇程的進料以產生用於該製 坡爐之氣氟増濃氟體。 I2.依申請專利範園第1項所述之方法,其中該驟冷被下 降至 1300°p。 -18 - 冬纸張尺度適用中B國家樣準(CNS)甲4规格(210 X 297公釐) (請先閲讀背面之注意事項再填寫本頁) 裝| 訂
TW080100629A 1990-01-30 1991-01-25 TW209856B (zh)

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