FI113250B - Apparat och process för utförande av en endotermisk reaktion - Google Patents

Apparat och process för utförande av en endotermisk reaktion Download PDF

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FI113250B
FI113250B FI942930A FI942930A FI113250B FI 113250 B FI113250 B FI 113250B FI 942930 A FI942930 A FI 942930A FI 942930 A FI942930 A FI 942930A FI 113250 B FI113250 B FI 113250B
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reaction
endothermic
combustion
air
gas
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FI942930A
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Finnish (fi)
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FI942930A (sv
FI942930A0 (sv
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Stephen Hardman
Robert C Ruhl
Michael R Kenyon
Roderick A Mcfarlene
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Standard Oil Co
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    • C—CHEMISTRY; METALLURGY
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    • 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
    • C01B3/384—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 the catalyst being continuously externally heated
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    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/008—Details of the reactor or of the particulate material; Processes to increase or to retard the rate of reaction
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01J8/0453—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid passing successively through two or more beds the flow within the beds being predominantly vertical in two or more cylindrical beds the beds being superimposed one above the other
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    • B01J8/06—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds in tube reactors; the solid particles being arranged in tubes
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Claims (13)

1. Apparat för utförande av en endotermisk reaktion, i vilken en en-dotermisk reagerande gas upphettas genom förbränning av luft och en bräns-iegas, varmed astadkoms det att den reagerande gasen bildar en endotermisk 5 produkt, kännetecknad av att apparaten omfattar: a) ett kari (102), b) ett flertal metalliska reaktionsrör (110) i kärlet (102), vilka delar kärlets inre i ett flertal separata reaktionsflödesvägar, som tillsammans definie-rar en reaktionsflödesväg för att utföra den endotermiska reaktionen, och ett 10 flertal separata förbränningsflödesvägar utanför reaktionsrören, vilka tillsammans definierar en förbränningsflödesväg, varvid reaktionsflödesvägen och förbränningsflödesvägen star i termisk förbindelse med varandra, sä att för-bränningsflödesvägen kan överföras tili reaktionsflödesvägen, c) separata värmeproduktionsorgan (116), som är anslutna tili re-15 spektive metalliska reaktionsrör (110) för att producera värme genom förbränning av bränslegasen och luften, d) första tillförselorgan (126), som ästadkommer det att den reagerande gasen strömmar tili reaktionsflödesvägen, och första avlägsningsorgan (130), som avlägsnar den endotermiska produktgasen frän reaktionsflödes- 20 vägen, och ,·*·. e) andra tillförselorgan (136), som är anordnade att separat mata luft (140) och bränslegas (150) tili respektive värmeproduktionsorgan, varvid värmeproduktionsorganen är belägna inuti kärlet, varvid luft och bränslegas • · ' ’ kan upphettas ovanför deras automatiska antändningstemperatur, innan de • ♦ ' : 25 anländer tili värmeproduktionsorganen och andra avlägsningsorgan för att av- ': ’ lägsna förbränningsgas fran förbränningsflödesvägen.
,: ; 2. Apparat enligt patentkrav 1, kännetecknad av att tillförsel- organen (126) definierar en bränsletillförselkanal (150) och en lufttillförselkanal ··· (140) för respektive rör (110), varvid lufttillförselkanalen och bränsletillförsel- 30 kanalen i vartdera röret är koncentriska.
• . 3. Apparat enligt patentkrav 1, kännetecknad av att värme- • *»* produktionsorganen (116) är placerade tillräckligt langt ifrän de första (130) ·' och andra avlägsningsorganen, sä att bäde den endotermiska produktgasen , och förbränningsgasen kan kylas, innan de lämnar kärlet (102). 17 113250
4. Apparat enligt nägot av de föregäende patentkraven, kanne-tecknad av att de endotermiska reaktionsrören (110) innehaller en endo-termisk reaktionskatalysator.
5. Apparat enligt nägot av de föregäende patentkraven, kanne-5 tecknad av att apparaten är i form av ett skal och en rörvärmeväxlare med en fast rörplätskonstruktion.
6. Apparat enligt nägot av de föregäende patentkraven, kanne-tecknad av att reaktionsrören (110) inte uppbärs i omrädet mellan deras ändar.
7. Apparat enligt nägot av de föregäende patentkraven, känne- tecknad av att reaktionsrören (110) är väsentligen raka och väsentligen pa-rallella.
8. Process för utförande av en endotermisk reaktion i en endoter-misk reaktionsapparat, väri ett endotermiskt reagerande ämne upphettas ge-15 nom förbränning av luft och en bränslegas, varvid det reagerande ämnet om-vandlas tili en endotermisk produkt, vilken apparat omfattar: a) ett kärl (102), b) ett flertal metalliska reaktionsrör (110) i kärlet (102), vilka delar kärlets inre i ett flertal separata reaktionsflödesvägar, som tillsammans definie- 20 rar en reaktionsflödesväg för att utföra den endotermiska reaktionen, och ett flertal separata förbränningsflödesvägar utanför reaktionsrören, vilka tillsammans definierar en förbränningsflödesväg, varvid reaktionsflödesvägen och förbränningsflödesvägen stär i termisk förbindelse med varandra, sä att för- , ·. bränningsflödesvägen kan överföras tili reaktionsflödesvägen, * ’ » t·, . 25 c) separata värmeproduktionsorgan (116), som är anslutna tili re- spektive metalliska reaktionsrör (110) för att producera värme genom förbrän-' ; ning av bränslegasen och luften, v * d) första tillförselorgan (126), som ästadkommer det att den reage rande gasen strömmar tili reaktionsflödesvägen, och första avlägsningsorgan 30 (130), som avlägsnar den endotermiska produktgasen frän reaktionsflödes->,,,: vägen, och e) andra tillförselorgan (136), som är anordnade att separat mata luft (140) och bränslegas (150) tili respektive värmeproduktionsorgan, varvid värmeproduktionsorganen är belägna inuti kärlet, varvid luft och bränslegas : : 35 kan upphettas ovanför deras automatiska antändningstemperatur, innan de 18 113250 anländer till värmeproduktionsorganen och andra avlägsningsorgan för att av-lägsna förbränningsgas frän förbränningsflödesvägen, kännetecknad av att processen omfattar steg, i vilka i) en reaktants flöde förorsakas utmed en första reaktantflödesväg 5 via första tillförselorgan (126), ii) luft och förbränningsgas mätäs separat via andra tillförselorgan (136) tili respektive värmeproduktionsorgan (116), varvid förbränningsgasen och luften upphettas ovanför deras automatiska antändningstemperatur, innan de anländer tili värmeproduktionsorganen, sä att luften och förbränningsgasen 10 antänds av sig själva och brinner för att producera värme pä förbränningsflödesvägen, varvid värme överförs tili reaktionsflödesvägen och förorsakar sä-lunda den endotermiska reaktionen, iii) den endotermiska produktgasen avlägsnas frän reaktionsflödesvägen via första avlägsningsorgan (130), och 15 iv) förbränningsgaserna avlägsnas frän förbränningsflödesvägen via andra avlägsningsorgan.
9. Process enligt patentkrav 8, kännetecknad av att reak-tionsrören (110) innehäller en endotermisk reaktionskatalysator.
10. Process enligt patentkrav 8 eller 9, kännetecknad av att 20 den endotermiska reaktanten är en blandning av ett gasformigt kolväte och änga, varvid den endotermiska produkten är syntetisk gas.
11. Process enligt patentkrav 10, k ä n n et e c k n ad av att det ;* ·. gasformiga kolvätet är metan.
12. Process enligt patentkrav 10 eller 11, kännetecknad av ! . 25 att den endotermiska reaktanten upphettas tili en temperatur pä 800 - 1000 °C.
’· / 13. Process enligt nägot av patentkraven 10 - 12, känneteck- * ; n a d av att trycket pä reaktionsflödesvägen är minst 0,508 MPa (10 atm). i * * » » t
FI942930A 1991-12-19 1994-06-17 Apparat och process för utförande av en endotermisk reaktion FI113250B (sv)

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WO2012138218A1 (en) * 2011-04-07 2012-10-11 Biomethanol Chemie Nederland B.V. Multi-tubular steam reformer and process for catalytic steam reforming of a hydrocarbonaceous feedstock
GB201402782D0 (en) 2014-02-17 2014-04-02 Johnson Matthey Davy Technologies Ltd Process
DE102016114563A1 (de) * 2016-08-05 2018-02-08 Thyssenkrupp Ag Vorrichtung und Verfahren zum Reformieren eines Kohlenwasserstoffs
US11718535B1 (en) 2022-02-23 2023-08-08 SANsyco Consulting, LLC Ammonia synthesis converter and method for small production units

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DE69228834T2 (de) 1999-08-05
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CA2079746C (en) 2002-07-30
DK0643618T3 (da) 1999-10-11
EP0643618B1 (en) 1999-03-31
DE69228834D1 (de) 1999-05-06
JP3834069B2 (ja) 2006-10-18
RU94033836A (ru) 1996-04-10
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GR3029840T3 (en) 1999-07-30
WO1993012032A1 (en) 1993-06-24
ES2129513T3 (es) 1999-06-16
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EP0643618A1 (en) 1995-03-22
RU2134154C1 (ru) 1999-08-10
CA2079746A1 (en) 1993-06-20
FI942930A (sv) 1994-06-17
NO942277L (no) 1994-06-16
FI942930A0 (sv) 1994-06-17
EP0643618A4 (en) 1994-09-29

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