WO2021143226A1 - Convertisseur catalytique à bain-marie horizontal - Google Patents

Convertisseur catalytique à bain-marie horizontal Download PDF

Info

Publication number
WO2021143226A1
WO2021143226A1 PCT/CN2020/121207 CN2020121207W WO2021143226A1 WO 2021143226 A1 WO2021143226 A1 WO 2021143226A1 CN 2020121207 W CN2020121207 W CN 2020121207W WO 2021143226 A1 WO2021143226 A1 WO 2021143226A1
Authority
WO
WIPO (PCT)
Prior art keywords
shift
water bath
space
iii
furnace shell
Prior art date
Application number
PCT/CN2020/121207
Other languages
English (en)
Chinese (zh)
Inventor
樊强
陶继业
刘沅
罗丽珍
李小宇
任永强
许世森
Original Assignee
中国华能集团清洁能源技术研究院有限公司
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 中国华能集团清洁能源技术研究院有限公司 filed Critical 中国华能集团清洁能源技术研究院有限公司
Publication of WO2021143226A1 publication Critical patent/WO2021143226A1/fr

Links

Images

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
    • C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
    • 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
    • C01B3/06—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
    • C01B3/12—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide
    • C01B3/16—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents by reaction of water vapour with carbon monoxide using catalysts
    • 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
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0872—Methods of cooling
    • C01B2203/0883—Methods of cooling by indirect heat exchange
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis

Definitions

  • the invention belongs to the technical field of energy and chemical industry, and relates to a horizontal water bath shift furnace.
  • the shift reaction is a process in which carbon monoxide and water generate carbon dioxide and hydrogen under the action of a shift catalyst. This reaction is an indispensable process for the preparation of methanol, hydrogen production, carbon capture and other processes. It is important in chemical production. The role of.
  • the shift reaction is an exothermic reaction.
  • the disadvantage of the traditional adiabatic shift furnace is that it cannot remove the heat of reaction in time and is limited by the maximum use temperature of the shift catalyst. Therefore, the shift process is usually divided into multiple stages (2 to 4 stages), resulting in a shift process. The process is long and the equipment investment is high. In the actual production process, the catalyst bed temperature flying phenomenon often occurs due to improper operation, which will cause irreversible damage to the shift catalyst.
  • the isothermal shift furnace can remove the reaction heat in time, and only need to set up a period of isothermal shift to achieve the purpose of full conversion.
  • the existing isothermal shift furnaces are equipped with steam drums and water vapor system accessories outside, although the conversion process is shortened , But the water vapor system is complicated.
  • the purpose of the present invention is to overcome the above-mentioned shortcomings of the prior art and provide a horizontal water bath shift furnace, which can effectively solve the problem of catalyst bed temperature flying, and has a simple water vapor system and a short process flow.
  • the horizontal water bath shift furnace of the present invention includes a shift furnace shell.
  • the inside of the shift furnace shell is divided into a synthesis gas space, a shift gas space and a water bath space through a sealing ring and a splitter partition.
  • the water bath space is arranged
  • the U-shaped reaction tube is filled with shift catalyst, the inlet of each U-shaped reaction tube is connected with the synthesis gas space, the outlet of each U-shaped reaction tube is connected with the shift gas space, and the shift furnace shell
  • the top of the converter is provided with a steam outlet and a shift gas outlet.
  • the bottom of the shift furnace shell is provided with a synthesis gas inlet, a boiler water inlet and a sewage outlet.
  • the shift gas outlet is connected to the shift gas space
  • the synthesis gas inlet is connected to the synthesis gas space.
  • the sewage outlet, the boiler water inlet and the steam outlet are connected with the water bath space III.
  • It also includes a fixing ring for fixing to each U-shaped reaction tube, wherein the bottom of the fixing ring is in contact with the bottom of the conversion furnace shell.
  • a safety relief port is provided on the top of the conversion furnace shell.
  • the side wall of the water bath space is provided with a level gauge port for detecting the liquid level in the water bath space.
  • the top of the conversion furnace shell is provided with a tube section, wherein the lower end of the tube section is connected with the water bath space, the top of the tube section is connected with the steam outlet, and a demister is arranged in the tube section.
  • the top of the conversion furnace shell is provided with a pressure measuring port, wherein the pressure measuring port is communicated with the water bath space.
  • the cross-section of the conversion furnace shell is circular, and the cross-sectional size of one side of the conversion furnace shell is smaller than the cross-sectional size of the other side.
  • the water bath space is located on the side of the conversion furnace shell with the larger cross-sectional size.
  • the synthesis gas space and the shift gas space are located on the side of the shift furnace shell with the smaller cross-sectional dimension.
  • each U-shaped reaction tube is greater than or equal to 50 mm, the U-shaped reaction tubes are equally spaced, and the distance between adjacent U-shaped reaction tubes is greater than or equal to 30 mm.
  • the lowest point of the level gauge port is 20mm higher than the highest point of the U-shaped reaction tube.
  • each U-shaped reaction tube is placed in the water bath, and the heat released during the shift reaction of the synthesis gas is taken away through the water bath to promote the shift reaction in the positive direction Move to make the shift reaction more complete, and by-product steam at the same time, which not only fundamentally solves the problem of catalyst bed temperature flying, but also simplifies the traditional multi-stage shift process and the complicated water vapor system process.
  • the structure is simple, the process is short, and the operation is simple. .
  • Figure 1 is a schematic diagram of the structure of the present invention
  • Figure 2 is a left side view of the present invention
  • Figure 3 is a cross-sectional view of the present invention.
  • 1 is the shift furnace shell
  • 2 is the U-shaped reaction tube
  • 3 is the sealing ring
  • 4 is the fixed ring
  • 5 is the splitter plate
  • 6 is the demister
  • 7 is the shift gas outlet
  • 8 is the synthesis gas inlet
  • 9 is the steam outlet
  • 10 is the boiler water inlet
  • 11 is the sewage outlet
  • 12 is the safety discharge port
  • 13 is the pressure measurement port
  • 14 is the end flange
  • 15 is the level gauge port
  • 16 is the cylinder section
  • I is Syngas space
  • II is the shift gas space
  • III is the water bath space.
  • the horizontal water bath shift furnace of the present invention includes a shift furnace shell 1.
  • the inside of the shift furnace shell 1 is divided into a synthesis gas space I and a shift gas space by a sealing ring 3 and a dividing partition 5 II and water bath space III.
  • Several U-shaped reaction tubes 2 are arranged in the water bath space III.
  • the U-shaped reaction tubes 2 are filled with shift catalysts.
  • the inlets of the U-shaped reaction tubes 2 are connected to the synthesis gas space I.
  • Each U-shaped reaction tube 2 is connected to the synthesis gas space I.
  • the outlet of the type reaction tube 2 is connected to the shift gas space II.
  • the top of the shift furnace shell 1 is provided with a steam outlet 9 and a shift gas outlet 7, and the bottom of the shift furnace shell 1 is provided with a synthesis gas inlet 8 and a boiler water inlet 10
  • the sewage outlet 11 communicates with the shift gas space II
  • the synthesis gas inlet 8 communicates with the synthesis gas space I
  • the sewage outlet 11, the boiler water inlet 10 and the steam outlet 9 communicate with the water bath space III
  • the sealing ring 3 is connected to the inner wall of the conversion furnace shell 1 in a sealed and detachable manner.
  • the present invention also includes a fixing ring 4 for fixing to each U-shaped reaction tube 2, wherein the bottom of the fixing ring 4 is in contact with the bottom of the conversion furnace shell 1.
  • the top of the conversion furnace shell 1 is provided with a safety discharge port 12; the side wall of the water bath space III is provided with a level gauge port 15 for detecting the liquid level in the water bath space III; the top of the conversion furnace shell 1 is provided with a tube section 16.
  • the lower end of the cylinder section 16 is connected to the water bath space III, the top of the cylinder section 16 is connected to the steam outlet 9, and the cylinder section 16 is provided with a demister 6; the top of the conversion furnace shell 1 is provided with a pressure measurement Port 13, wherein the pressure measuring port 13 communicates with the water bath space III.
  • the conversion furnace shell 1 has a horizontal structure and is used as a pressure vessel to bear internal pressure.
  • the conversion furnace shell 1 is an irregular cylindrical body, and an end flange 14 is provided on the outer wall of the conversion furnace shell 1.
  • the cross-section of the conversion furnace shell 1 is circular, and the cross-sectional size of one side of the conversion furnace shell 1 is smaller than the cross-sectional size of the other side.
  • the water bath space III is located in the conversion furnace shell 1 with a larger cross-sectional size
  • the syngas space I and the shift gas space II are located on the side of the shift furnace shell 1 with the smaller cross-sectional dimension.
  • each U-shaped reaction tube 2 is greater than or equal to 50mm, and the U-shaped reaction tubes 2 are equally spaced, and the distance between adjacent U-shaped reaction tubes 2 is greater than or equal to 30mm; the lowest point mark of the level gauge port 15 is higher than that of the U-shaped reaction tube. The highest point of the reaction tube 2 has an elevation of 20mm.
  • the working principle of the present invention is:
  • the synthesis gas enters the synthesis gas space I through the synthesis gas inlet 8, and then enters the U-shaped reaction tube 2, and undergoes a shift reaction on the catalyst bed in the U-shaped reaction tube 2, and a large amount of heat is released during the reaction.
  • the water bath outside the reaction tube 2 absorbs.
  • the liquid level is controlled by controlling the flow of the boiler water inlet 10 and the sewage outlet 11 to ensure that the reaction heat is continuously removed, so that the reaction balance moves in the positive direction, which increases the reaction driving force and makes the conversion reaction more complete.
  • the shift gas is discharged from the outlet of the U-shaped reaction tube 2 into the shift gas space, and finally discharged through the shift gas outlet 7.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Inorganic Chemistry (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

L'invention concerne un convertisseur catalytique à bain-marie horizontal. L'intérieur d'une enveloppe de convertisseur catalytique (1) est divisé en un espace de gaz de synthèse (I), un espace de gaz de conversion (II) et un espace de bain-marie (III) au moyen d'une bague d'étanchéité (3) et d'une plaque de séparation de passage (5), et une pluralité de tubes de réaction en forme de U (2) sont disposés dans l'espace de bain-marie (III), les tubes de réaction en forme de U (2) étant remplis d'un catalyseur de conversion, les entrées des tubes de réaction en forme de U (2) étant en communication avec l'espace de gaz de synthèse (I), et les sorties des tubes de réaction en forme de U (2) étant en communication avec l'espace de gaz de conversion (II) ; une sortie de vapeur (9) et une sortie de gaz de conversion (7) sont disposées dans la partie supérieure de l'enveloppe de convertisseur catalytique (1) ; une entrée de gaz de synthèse (8), une entrée d'eau bouillante (10) et une sortie de vidange (11) sont formées dans le fond de l'enveloppe de convertisseur de catalytique (1) ; la sortie de gaz de conversion (7) est en communication avec l'espace de gaz de conversion (II) ; l'entrée de gaz de synthèse (8) est en communication avec l'espace de gaz de synthèse (I) ; et la sortie de vidange (11), l'entrée d'eau bouillante (10) et la sortie de vapeur (9) sont en communication avec l'espace de bain-marie (III). Le convertisseur catalytique selon l'invention permet d'éviter efficacement le problème d'emballement thermique d'une couche de lit de catalyseur, d'obtenir un système de vaporisation d'eau simple et un procédé technologique court.
PCT/CN2020/121207 2020-01-17 2020-10-15 Convertisseur catalytique à bain-marie horizontal WO2021143226A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010053852.2A CN111071988B (zh) 2020-01-17 2020-01-17 一种卧式水浴变换炉
CN202010053852.2 2020-01-17

Publications (1)

Publication Number Publication Date
WO2021143226A1 true WO2021143226A1 (fr) 2021-07-22

Family

ID=70323641

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/121207 WO2021143226A1 (fr) 2020-01-17 2020-10-15 Convertisseur catalytique à bain-marie horizontal

Country Status (2)

Country Link
CN (1) CN111071988B (fr)
WO (1) WO2021143226A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111071988B (zh) * 2020-01-17 2024-05-07 中国华能集团清洁能源技术研究院有限公司 一种卧式水浴变换炉

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5704422A (en) * 1995-05-19 1998-01-06 Huntsman Specialty Chemicals Corporation Shrouded heat exchanger
CN1273356A (zh) * 1999-03-11 2000-11-15 株式会社日本触媒 管壳式换热器以及在管壳式换热器内抑制聚合反应的方法
CN1461730A (zh) * 2002-05-16 2003-12-17 赫多特普索化工设备公司 一氧化碳变换工艺及反应器
US20110247786A1 (en) * 2010-04-10 2011-10-13 Dixon Christopher J Heat exchanger maintenance technique
CN202606130U (zh) * 2012-06-13 2012-12-19 卢正滔 一种内部换热式变温型高co气体反应装置
CN103641067A (zh) * 2013-12-05 2014-03-19 天脊煤化工集团股份有限公司 一种一氧化碳等温变换工艺方法
CN111071988A (zh) * 2020-01-17 2020-04-28 中国华能集团清洁能源技术研究院有限公司 一种卧式水浴变换炉
CN211496936U (zh) * 2020-01-17 2020-09-15 中国华能集团清洁能源技术研究院有限公司 一种卧式水浴变换炉

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6506360B1 (en) * 1999-07-28 2003-01-14 Erling Reidar Andersen Method for producing hydrogen
KR101400776B1 (ko) * 2012-06-22 2014-05-29 한국에너지기술연구원 수평형 촉매 고정층 반응시스템을 이용한 바이오오일의 연속 초임계수 개질 운전방법
CN103657535A (zh) * 2012-09-11 2014-03-26 杭州林达化工技术工程有限公司 一种卧式水冷反应器及其应用
WO2016119224A1 (fr) * 2015-01-30 2016-08-04 湖南安淳高新技术有限公司 Convertisseur isotherme et de commutation à basse température et son procédé de conversion de commutation

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5704422A (en) * 1995-05-19 1998-01-06 Huntsman Specialty Chemicals Corporation Shrouded heat exchanger
CN1273356A (zh) * 1999-03-11 2000-11-15 株式会社日本触媒 管壳式换热器以及在管壳式换热器内抑制聚合反应的方法
CN1461730A (zh) * 2002-05-16 2003-12-17 赫多特普索化工设备公司 一氧化碳变换工艺及反应器
US20110247786A1 (en) * 2010-04-10 2011-10-13 Dixon Christopher J Heat exchanger maintenance technique
CN202606130U (zh) * 2012-06-13 2012-12-19 卢正滔 一种内部换热式变温型高co气体反应装置
CN103641067A (zh) * 2013-12-05 2014-03-19 天脊煤化工集团股份有限公司 一种一氧化碳等温变换工艺方法
CN111071988A (zh) * 2020-01-17 2020-04-28 中国华能集团清洁能源技术研究院有限公司 一种卧式水浴变换炉
CN211496936U (zh) * 2020-01-17 2020-09-15 中国华能集团清洁能源技术研究院有限公司 一种卧式水浴变换炉

Also Published As

Publication number Publication date
CN111071988A (zh) 2020-04-28
CN111071988B (zh) 2024-05-07

Similar Documents

Publication Publication Date Title
CN102888252B (zh) 一种饱和塔等温炉串绝热炉co变换工艺
WO2016119224A1 (fr) Convertisseur isotherme et de commutation à basse température et son procédé de conversion de commutation
CA2428761A1 (fr) Procede et reacteur de conversion du monoxyde de carbone
SU791203A3 (ru) Реактор
WO2021143226A1 (fr) Convertisseur catalytique à bain-marie horizontal
CN203075923U (zh) 一种轴径向等温变换反应器
US3262758A (en) Apparatus for reforming synthesis gas
CN105797650A (zh) 带有集箱的固定床催化控温反应器
CN201309898Y (zh) 一种浮头式等温反应甲醇合成塔
CN211496936U (zh) 一种卧式水浴变换炉
CN105883852B (zh) 一种氨合成反应系统及氨合成反应方法
CN101279227B (zh) 膜式壁反应器
US3146075A (en) Heat exchanger
CN103111239A (zh) 一种气冷甲醇反应器
CN201731464U (zh) 废热锅炉
JPH02277540A (ja) 不均一系における発熱性接触合成反応器
RU2002131458A (ru) Каталитический реактор для экзотермических процессов, протекающих в газ-твердой фазе с невысокой разностью температур
CN111732075B (zh) 复合式绝热串控温变换炉装置及变换工艺
US4243097A (en) Waste heat boiler
CN210252194U (zh) 一种双侧移热空心柱型羰化或加氢反应器
CN110327846B (zh) 等温反应器及利用其进行甲烷化反应的装置和方法
CN208389982U (zh) 一种节能型高效径向甲醇反应器
CN208599695U (zh) 卧式列管式反应器
CN113460962A (zh) 一种用于羰基合成的一步法调节水气比的长周期变换工艺
CN212687557U (zh) 一种抗毒炉外移热等温变换炉

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20913348

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20913348

Country of ref document: EP

Kind code of ref document: A1