TW513385B - Process and process unit for the preparation of ammonia synthesis gas - Google Patents

Process and process unit for the preparation of ammonia synthesis gas Download PDF

Info

Publication number
TW513385B
TW513385B TW087106411A TW87106411A TW513385B TW 513385 B TW513385 B TW 513385B TW 087106411 A TW087106411 A TW 087106411A TW 87106411 A TW87106411 A TW 87106411A TW 513385 B TW513385 B TW 513385B
Authority
TW
Taiwan
Prior art keywords
steam
reformer
primary
heat exchange
gas
Prior art date
Application number
TW087106411A
Other languages
English (en)
Inventor
Carsten Lau Laursen
Henrik Otto Stahl
Original Assignee
Haldor Topsoe As
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 Haldor Topsoe As filed Critical Haldor Topsoe As
Application granted granted Critical
Publication of TW513385B publication Critical patent/TW513385B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/025—Preparation or purification of gas mixtures for ammonia synthesis
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/04—Preparation of ammonia by synthesis in the gas phase
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • C01B3/382—Multi-step processes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/14—Details of the flowsheet
    • C01B2203/142—At least two reforming, decomposition or partial oxidation steps in series
    • C01B2203/143—Three or more reforming, decomposition or partial oxidation steps in series
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/80—Aspect of integrated processes for the production of hydrogen or synthesis gas not covered by groups C01B2203/02 - C01B2203/1695
    • C01B2203/82—Several process steps of C01B2203/02 - C01B2203/08 integrated into a single apparatus
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C1/00—Ammonia; Compounds thereof
    • C01C1/02—Preparation, purification or separation of ammonia
    • C01C1/026—Preparation of ammonia from inorganic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Hydrogen, Water And Hydrids (AREA)
  • Industrial Gases (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Catalysts (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Description

513385 kl B7 五、發明説明（/ ) 【發明說明】 本申請案係針對氨合成氣體之製備。更尤其地，本發 明係關於製備該氣體的方法和操作單元*包括在熱交換初 級蒸汽重組器及隨後的絕熱重組器中一連串的烴原料之初 级和二鈒蒸汽重組。 / 習知上使天然氣或高碳烴之烴進料於火加熱的管式蒸 汽重組器中與蒸汽重組觭媒接觸而進行吸热蒸汽重組反應 。然後將初级重組氣送入二级絕熱重組器內•其中氣體中 部分的氫氣或殘餘量的烴係於二级重組觸媒之存在下經空 氣或富氧的空氣所部分氧化。從二级重組器，原料在上述 蒸汽重組反應中的反應期間形成含有氫、一氧化碳及二氧 化碳的粗氨合成氣體，及在二級重組步驟中經由加入空氣 而將氮引入氣體内。 經濟部中央標準局員工消費合作社印製 (請先閲讀背面之注意事項再填寫本頁) 通常藉初級蒸汽重組器之煙道氣側的燃料之燃燒而供 給初级吸熱蒸汽重組反應所需要的熱，其中觭媒係垂直配 置於延伸經過重組器的管內。為了減少初鈒重組器中火燒 的負荷及燃料的燃燒*亦已建議利用蒸氣重組氣的出料束 流當作熱源供應一部分的熱。美國專利第5,429,80 9號中 提及該方法及反應器*其中熱係由燃料之燃燒的熱燃料氣 所部分供應及由插管式熱交換反應器中的熱產品出料所部 分供應。 本發明之一般目的在於由烴原料製備氨合成氣體時所 用的一連串之初鈒熱交換蒸汽重姐與二級重姐中更進一步 本紙張尺度適用中國國家標準（CNS ) A4規格（210 X 297公釐） 513385 hi ^_ll____ 五、發明説明（>) 地減少火燒負荷和燃料消耗。 (請先閱讀背面之注意事項再填寫本頁) 因此，本發明一目的在於提供一.種由烴原料製備氨合 成氣體的方法•其包括步驟為在初级熱交換蒸汽重組器及 隨後的二级重組器中連績地將原料作初級和二级催化蒸汽 重組*其中在初级蒸汽重組氣導入二级重組器之前*初級 蒸汽重組氣之出料束流係被二鈒重組氣之熱產品出料所間 接熱交換而加熱。 本發明更一目的在於提供一種操作單元，用於上述蒸 汽重組方法中。操作單元因此包括一連接於二级蒸汽重組 器的初级熱交換蒸汽重組器，及一配置於二級蒸汽重組器 之上游的進料/出料熱交換器，俾初級熱交換蒸汽重組器 的蒸汽重整過烴原料之出料束流被二级蒸汽重組器之間接 熱交換所加熱。 經濟部中央標準局員工消費合作社印製 此處之前及Μ下說明中所用的”熱交換蒸汽重組器”係 指一種蒸汽重組器*其中初鈒蒸汽重組觸媒固定床中所發 生的初级蒸汽重組反應所霈要的熱係由熱燃燒氣所部分提 供及由初级重組氣體中含有的熱所提供》其係使兩種氣體 與觸媒床呈熱交換闞係通過重組器。在該重組器中，由典 型上約80010的重組溫度至典型上較低程度的約600*0出口 溫度，來回收重組氣的熱。 二鈒蒸汽重組步驟之入口的平衡溫度係初鈒蒸汽重組 觸媒床之出口的初鈒重組氣之溫度•典型上在80 OtK上。 當於一連串的初级和二级蒸汽重組中使用熱交換初级 -4 - 本紙張尺度適用中國國家標準（CNS ) Α4規格（210X297公釐） 513385 A7 ___ll_____ 五、發明説明（3 ) (請先閱讀背面之注意事項再填寫本頁) 蒸汽重組器而不預熱初级蒸汽重組氣時•則二級重組器之 入口的初級重組氣的溫度係較低的，因為與初级重組器內 的處理氣作間接熱交換的緣故。此導致二鈒蒸汽重組步驟 中較低的進料轉化率。 為了獲得具有預期化學計量組成的二級重組氨合成氣 體及使氣體中有低的烴含量如後缜的氨合成作業中所需求 者，一連串的初级熱交換及二级重組（沒有預熱初级重組 氣）中的初級重組氣之平衡溫度必須較高Μ便補償二級重 組步驟中較低的烴進料轉化率。 藉由本發明之二級重組器與進料/出料熱交換器的組 合，將初级蒸汽重組器的溫度（已經冷卻至熱交換重組器 中的平衡溫度Κ下）提升到二鈒重組器內所霈要的反應溫 度*此提升係藉與二鈒重組器的熱產品出料作間接熱交換 而達成的。因此•於熱/出料熱交換器中藉回收二级蒸汽 重組氣的過剰熱，而有利地減少初级重組器中的燃料消耗 。與習用的初級-二鈒蒸汽重組比較下，此導致蒸汽重組 段所製造出的粗氨合成氣體的相當較低的出口溫度。 經濟部中央標準局員工消費合作社印製 重組段之較低的出口溫度及初级重組器中的減少燃料 消耗，導致重組器段的消耗數值之全面改良。 Μ下參照圖式之說明更詳细說明本發明*圖中顯示依 本發明特定實施例的方法之簡化流程圖。 當依本發明特定實施例來操作過程時*進料氣2 (例如 天然氣）及蒸汽係導入450ti溫度的初级熱交換重組反應器 本紙張尺度適用中國國家榡準（CNS ) Α4規格（210 X 297公釐） 513385 u ^ ) ^__B7_ 五、發明說明（） (請先閱讀背面之注意事項再填寫本頁) 4内。反應器4係一種傳統設計的插管式反應器，包括在壓 力殼6內的一或多支反應器管，此管係由一出□端封閉且 同心圍繞在内開□端熱交換插管1 0的外Η管8所搆成。 管8與1 ϋ之間的空間係裝填初級重組觸媒1 2。 通經外殼8和觸媒12的進料2係為與觸媒12接觸而被重 組的初级蒸汽。於底部燃燒器14中燃燒燃料Μ獲得熱煙道 氣，使熱煙道氣沿著外管8之壁通過而與管中的反應進料 I熱交換關係，而供應在觸媒1 2上進行吸熱蒸汽重組反應 所需要的熱。 藉熱的初級重組出料氮UM洪給補充熱，該出料氣Κ 8 ϋ 0 之出口溫度離開觸媒1 2及通過内管1 0與觸媒1 2中的 反應進料氣呈熱傳導關係。
初级重組氣1 6的溫度因此減低至6 0 0 °C。 氣體1 6然後通往進料/出料熱交換器1 8，其中藉與熱 的二級重組氣2 0作間接熱間換，該二級重組氣係由二級重 組器2 2 Μ 9 7 5 °0之溫度退出。二级重組器2 2係一種傳統設 計的絕熱重組器，其中再熱的初級重組氣16係在反應器之 頂部被空氣2 4所部分氧化，及隨後在反應器2 2底部與配置 成為固定床2 6的二級重組觸媒接觸而被二次重組，二級重 組氣2 (3由反應器之底部Μ 3 7 5 υ之溫度退出及如上逑藉間 3接的熱交換而被冷卻至8 2 5 t：’ 圈式簡蜇說明 圖式顯示根據本發明製備氨合成氣體之程序圖。 $尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 513385 '態..
(V Α7 Β7 五、發明說明（） 圖式主要元ί牛符號說明 2 進料氯 4 管式反應器 Β 壓力榖 8 Η管 m m Ri? ^ m ^ 初鈒重組出料氣 熱交換器 二級重組氣 二級重組器 / ， £r;.rr 固定床 (請先閱讀背面之注意事項再填寫本頁) # 訂---------線. 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐）

Claims (1)

  1. 513385) |8 威(’/仇> 1么^本4! —丨丨‘―丨一-：---- i * II II I· I I II n |H III ~ί'· _ I ιτο 1 六、申請專利範圍 1 · 一種由烴原料製備氨合成氣體之方法*包括步驟為 在初级熱交換蒸汽重組器a在隨後的二級重組器中連績地 將原料作初級和二級催化蒸汽重組，其中在初級蒸汽重組 氣導入二級重組器之前，初級蒸汽重組氣之出料束流除被 二级重組氣之熱產品出料所間接熱交換而加熱。 2 · —種用於根據申請專利範圜第1項之方法中的裝置 其中蒸汽重組方法的操作單元包括一連接於二級蒸汽重組 器的初级熱交換蒸汽重組器，及一配置於二級蒸汽重組器 之上游的進料/出料熱交換器，偉初级熱交換蒸汽重組器 的蒸汽重整過烴原料之出料束流被二級蒸汽重組器之間接 熱交換所加熱 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐)
TW087106411A 1997-05-05 1998-04-24 Process and process unit for the preparation of ammonia synthesis gas TW513385B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK199700510A DK173052B1 (da) 1997-05-05 1997-05-05 Fremgangsmåde til fremstilling af ammoniak syntesegas

Publications (1)

Publication Number Publication Date
TW513385B true TW513385B (en) 2002-12-11

Family

ID=8094385

Family Applications (1)

Application Number Title Priority Date Filing Date
TW087106411A TW513385B (en) 1997-05-05 1998-04-24 Process and process unit for the preparation of ammonia synthesis gas

Country Status (11)

Country Link
US (1) US6077459A (zh)
EP (1) EP0876993B1 (zh)
JP (1) JPH111303A (zh)
KR (1) KR19980086722A (zh)
CN (1) CN1105080C (zh)
AT (1) ATE400527T1 (zh)
DE (1) DE69839685D1 (zh)
DK (1) DK173052B1 (zh)
EA (1) EA000777B1 (zh)
TW (1) TW513385B (zh)
UA (1) UA53630C2 (zh)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9801200D0 (en) * 1998-01-20 1998-03-18 Air Prod & Chem Intergration of a cryogenic air separator with synthesis gas production and conversion
DK173496B1 (da) * 1998-07-16 2001-01-02 Topsoe Haldor As Fremgangsmåde til fremstilling af syntesegas ved vanddampreformering under anvendelse af en katalyseret metaloverflade
DK173742B1 (da) * 1998-09-01 2001-08-27 Topsoe Haldor As Fremgangsmåde og reaktorsystem til fremstilling af syntesegas
EP1069070B1 (en) * 1999-07-15 2011-11-30 Haldor Topsoe A/S Process for the catalytic steam reforming of a hydrocarbon feedstock
PT1106570E (pt) * 1999-12-02 2013-10-15 Haldor Topsoe As Processo e reactor para realizar reacções catalíticas não adiabáticas
US20040161381A1 (en) * 1999-12-02 2004-08-19 Thomsen Soren Gyde Process and reactor for carrying out non-adiabatic catalytic reactions
US6647930B2 (en) * 2002-02-11 2003-11-18 L'Air Liquide-Societe Anonyme à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procedes Georges Claude Ammonia vapor generation
US7435401B2 (en) * 2004-07-02 2008-10-14 Kellogg Brown & Root Llc Pseudoisothermal ammonia process
US7892511B2 (en) * 2004-07-02 2011-02-22 Kellogg Brown & Root Llc Pseudoisothermal ammonia process
US7320778B2 (en) * 2004-07-21 2008-01-22 Catacel Corp. High-performance catalyst support
EP1698590A1 (en) * 2005-03-04 2006-09-06 Ammonia Casale S.A. Reforming process for synthesis gas production and related plant
US7565743B2 (en) * 2005-04-14 2009-07-28 Catacel Corp. Method for insertion and removal of a catalytic reactor cartridge
US20060230613A1 (en) * 2005-04-14 2006-10-19 Catacel Corporation Catalytic reactor cartridge
US7472936B2 (en) * 2005-04-14 2009-01-06 Catacel Corp. Tool for insertion and removal of a catalytic reactor cartridge
DE102005021500A1 (de) * 2005-05-10 2006-11-16 Uhde Gmbh Verfahren zur Aufheizung eines Dampf-/Erdgasgemisches im Bereich eines Gassammelrohres nach einem Primärreformer
US7682580B2 (en) * 2005-05-19 2010-03-23 Catacel Corp. Catalytic reactor having radial leaves
US7504048B2 (en) * 2005-06-14 2009-03-17 Air Products And Chemicals, Inc. Axial convective reformer
US7501102B2 (en) * 2005-07-28 2009-03-10 Catacel Corp. Reactor having improved heat transfer
NO20070558L (no) * 2007-01-30 2008-07-31 Statoil Asa Anlegg for produksjon av syntesegass basert pa reformering, omfattende en primaerreformer og en sekundaerreformer, og en reformer egnet for anvendelse i anlegget.
EP2022754A1 (en) * 2007-08-08 2009-02-11 Ammonia Casale S.A. Process for producing ammonia synthesis gas
US8617270B2 (en) * 2008-12-03 2013-12-31 Kellogg Brown & Root Llc Systems and methods for improving ammonia synthesis efficiency
EP3296255A1 (de) * 2016-09-14 2018-03-21 L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude Reformerrohr mit strukturiertem katalysator und verbessertem wärmehaushalt

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079017A (en) * 1976-11-19 1978-03-14 Pullman Incorporated Parallel steam reformers to provide low energy process
IT1141031B (it) * 1980-08-29 1986-10-01 Snam Progetti Procedimento per la preparazione di gas contenenti idrogeno ed azoto
US4822521A (en) * 1983-06-09 1989-04-18 Uop Integrated process and apparatus for the primary and secondary catalytic steam reforming of hydrocarbons
DE3345064A1 (de) * 1983-12-13 1985-06-20 Linde Ag, 6200 Wiesbaden Verfahren zur erzeugung von synthesegas
GB8609099D0 (en) * 1986-04-15 1986-05-21 British Petroleum Co Plc Production of synthesis gas
GB8728882D0 (en) * 1987-12-10 1988-01-27 Ici Plc Hydrogen
US5011625A (en) * 1989-12-11 1991-04-30 The M. W. Kellogg Company Autothermal steam reforming process
DK167864B1 (da) * 1990-02-02 1993-12-27 Topsoe Haldor As Fremgangsmaade og reaktorsystem til reforming af carbonhydrider under varmeveksling
US5429809A (en) * 1991-09-23 1995-07-04 Haldor Topsoe A/S Process and reactor for carrying out non-adiabatic catalytic reactions
DK162891A (da) * 1991-09-23 1993-03-24 Haldor Topsoe As Fremgangsmaade og reaktor til gennemfoerelse af ikke-adiabatiske reaktioner.

Also Published As

Publication number Publication date
DK173052B1 (da) 1999-12-06
CN1105080C (zh) 2003-04-09
ATE400527T1 (de) 2008-07-15
EA000777B1 (ru) 2000-04-24
DE69839685D1 (de) 2008-08-21
US6077459A (en) 2000-06-20
DK51097A (da) 1998-11-06
CN1203186A (zh) 1998-12-30
KR19980086722A (ko) 1998-12-05
EA199800356A1 (ru) 1998-12-24
UA53630C2 (uk) 2003-02-17
EP0876993B1 (en) 2008-07-09
JPH111303A (ja) 1999-01-06
EP0876993A1 (en) 1998-11-11

Similar Documents

Publication Publication Date Title
TW513385B (en) Process and process unit for the preparation of ammonia synthesis gas
US5932141A (en) Synthesis gas production by steam reforming using catalyzed hardware
US4985231A (en) Production of hydrogen-containing gas streams
JP4336554B2 (ja) 水蒸気リフォーミング方法
US6280864B1 (en) Control system for providing hydrogen for use with fuel cells
US6299994B1 (en) Process for providing a pure hydrogen stream for use with fuel cells
US4650651A (en) Integrated process and apparatus for the primary and secondary catalytic steam reforming of hydrocarbons
TW486515B (en) Process for the autothermal reforming of a hydrocarbon feedstock containing higher hydrocarbons
RU2053957C1 (ru) Способ конверсии углеводородов паровым риформингом и установка для его осуществления
US7695708B2 (en) Catalytic steam reforming with recycle
US5264202A (en) Combined prereformer and convective heat transfer reformer
CA1320641C (en) Process and apparatus for producing synthesis gas
JPH04214001A (ja) 水素含有ガス流の製法
EP1791782A1 (en) Process for production of hydrogen and/or carbon monoxide
JPH0242761B2 (zh)
JP4427173B2 (ja) 合成ガスの製造方法
KR20210003885A (ko) Psa 서지 탱크 내의 테일 가스 가열
US9266805B2 (en) System and method for producing gasoline or dimethyl ether
GB2082623A (en) Producing gaseous mixture containing hydrogen and nitrogen
EP0207620B1 (en) Energy recovery
MX2015005617A (es) Proceso para la conversion de una materia prima de hidrocarburo en un gas de sintesis.
EP0483795A1 (en) Combined prereformer and convective heat transfer reformer
US20240166510A1 (en) Reduced metal dusting in bayonet reformer
MXPA98003526A (en) Process and process unit for the preparation of amoni synthesis gas
JPS6391421A (ja) 高炉ガスを燃料とする専焼ボイラ−の操業方法

Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees