WO2024257435A1 - 反応器 - Google Patents
反応器 Download PDFInfo
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- WO2024257435A1 WO2024257435A1 PCT/JP2024/012456 JP2024012456W WO2024257435A1 WO 2024257435 A1 WO2024257435 A1 WO 2024257435A1 JP 2024012456 W JP2024012456 W JP 2024012456W WO 2024257435 A1 WO2024257435 A1 WO 2024257435A1
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- casing
- refrigerant
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- catalyst
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—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
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B61/00—Other general methods
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/15—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively
- C07C29/151—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases
- C07C29/152—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of oxides of carbon exclusively with hydrogen or hydrogen-containing gases characterised by the reactor used
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/02—Monohydroxylic acyclic alcohols
- C07C31/04—Methanol
Definitions
- the present invention relates to a reactor into which a specified raw material gas is introduced and into which a specified product is produced while causing an exothermic reaction through the catalytic action of a specified catalyst.
- Patent Document 1 describes a reaction device in which a feed gas containing hydrogen and carbon dioxide is introduced into a reactor filled with a specific catalyst, and hydrocarbons are produced in the reactor.
- a first catalyst section that produces carbon monoxide from the above-mentioned raw material gas is disposed upstream of the reactor, and a second catalyst section that produces hydrocarbons using the produced carbon monoxide and hydrogen is disposed downstream of the reactor.
- a reverse shift reaction occurs in the first catalyst section on the upstream side
- an FT (Fischer-Tropsch) reaction occurs in the second catalyst section on the downstream side.
- This FT reaction is an exothermic reaction, and in particular, heat generated is concentrated in the upstream portion of the second catalyst section, resulting in a large temperature bias in the second catalyst section.
- an inert catalyst is mixed in the upstream portion of the second catalyst section, and as a result, in the above reactor, the temperature difference in the entire second catalyst section is suppressed, thereby stabilizing the reaction in the second catalyst section.
- the present invention was made to solve the above problems, and aims to provide a reactor that can efficiently recover products and improve the reaction rate.
- the invention according to claim 1 is a reactor 1 for generating a predetermined product while causing an exothermic reaction by catalytic action of a predetermined catalyst 5 when a predetermined raw material gas is introduced, and the reactor 1 is characterized in that it has a raw material gas inlet 12a through which the raw material gas is introduced and a product discharge outlet 13b for discharging the generated product, a casing 2 filled with a catalyst, a first refrigerant flow path (control refrigerant tube 3) arranged so that a predetermined first refrigerant (control refrigerant in this embodiment (hereinafter the same in this paragraph)) flows within the casing and controls the reaction temperature within the casing, a second refrigerant flow path (condensation refrigerant tube 4) arranged so that a predetermined second refrigerant (condensation refrigerant) flows within the casing and condenses the product on the outer peripheral surface, and a product guide path 13c provided within the casing for
- the reactor casing is filled with a predetermined catalyst, and the casing is provided with a first refrigerant flow path for controlling the reaction temperature, a second refrigerant flow path for condensing the product on the outer peripheral surface, and a product guide path for guiding the condensed product to the product discharge port.
- a predetermined raw material gas is introduced into the casing through the raw material gas inlet, an exothermic reaction occurs due to the catalytic action of the catalyst, and the first refrigerant flows through the first refrigerant flow path to generate a predetermined product while controlling the reaction temperature.
- the second refrigerant flows through the second refrigerant flow path, and the product condenses on the outer peripheral surface of the second refrigerant flow path. That is, the generated gaseous product condenses, and the liquid product adheres to the outer peripheral surface of the second refrigerant flow path.
- the condensed product is then guided to the product discharge port of the casing through the product guide path and discharged to the outside.
- the gaseous products generated by the reaction inside the reactor casing can be condensed on the outer circumferential surface of the second refrigerant flow path, changing the state to a liquid state, and the products can be efficiently recovered.
- the concentration of the gaseous products inside the casing by reducing the concentration of the gaseous products inside the casing, the progress of the reaction taking place inside the casing can be maintained at a high level, thereby improving the reaction rate compared to conventional reactors.
- the invention according to claim 2 is characterized in that in the reactor described in claim 1, the second refrigerant is set to a lower temperature than the first refrigerant.
- the first refrigerant promotes the reaction while controlling the reaction temperature inside the casing
- the second refrigerant which has a lower temperature than the first refrigerant, condenses the gaseous product and causes it to condense on the outer circumferential surface of the second refrigerant flow path.
- the invention according to claim 3 is characterized in that, in the reactor according to claim 1, the casing has a main body 11 formed in a cylindrical shape extending in the vertical direction, an upper wall 12 closing the upper end of the main body and having a raw material gas inlet, and a lower wall 13 closing the lower end of the main body and having a product discharge outlet, the second refrigerant flow path extends in the vertical direction within the main body and has a plurality of vertical flow path sections (vertical pipe sections 4a) through which the second refrigerant flows, the first refrigerant flow path has a plurality of catalyst holding sections 3c configured to surround each vertical flow path section with a predetermined interval between each of the outer circumferential surfaces of the plurality of vertical flow path sections, the first refrigerant flows around the outer circumferential section of each catalyst holding section, and a catalyst is filled between each vertical flow path section and each catalyst holding section.
- the casing has a main body 11 formed in a cylindrical shape extending in the vertical direction, an upper wall 12 closing the upper end
- the casing has a main body portion formed in a cylindrical shape extending in the vertical direction, and the upper end and lower end of the main body portion are blocked by the upper wall portion and the lower wall portion, respectively.
- the second refrigerant flow path has a plurality of vertical flow path portions extending in the vertical direction in the main body portion of the casing, through which the second refrigerant flows.
- the first refrigerant flow path has a plurality of catalyst holding portions configured to surround the plurality of vertical flow path portions of the second refrigerant flow path, respectively, and is configured so that the first refrigerant flows on the outer periphery of each catalyst holding portion. Then, a catalyst is filled between each vertical flow path portion and each catalyst holding portion.
- the reaction temperature of the raw material gas passing through the catalyst filled between the vertical flow path portion and the catalyst holding portion can be appropriately controlled.
- the second refrigerant flowing in each vertical flow path portion of the second refrigerant flow path the gaseous product generated in the catalyst holding portion can be easily condensed on the outer periphery of each vertical flow path portion.
- each catalyst holding section is provided with a vertical flow section cover (vertical pipe section cover 6) that is formed in a cylindrical shape that extends along the vertical flow section and leaves a predetermined gap between itself and the outer peripheral surface of the vertical flow section, separating the catalyst in the catalyst holding section and the vertical flow section, allowing gas to pass through and preventing the catalyst from coming into contact with the vertical flow section.
- a vertical flow section cover vertical pipe section cover 6
- each catalyst holding section is provided with a cylindrical vertical flow section cover that extends along the vertical flow section and separates the catalyst from the vertical flow section with a specified gap between the vertical flow section and its outer peripheral surface.
- This vertical flow section cover is configured to allow gas to pass through while preventing the catalyst in the catalyst holding section from coming into contact with the vertical flow section. This allows liquid products that condense on the outer peripheral surface of the vertical flow section to fall along the outer peripheral surface of the vertical flow section without leaking to the catalyst side, allowing them to be efficiently collected.
- the invention according to claim 5 is characterized in that in the reactor described in claim 4, the vertical flow passage cover is composed of a punched plate in which a large number of through holes having a predetermined diameter are formed.
- each through hole in the punching plate is formed to have a diameter that the catalyst cannot pass through, it is possible to easily obtain a vertical flow path cover that allows gaseous products generated in the catalyst holding section to move from the catalyst side to the vertical flow path side.
- the invention according to claim 6 is characterized in that in the reactor according to any one of claims 3 to 5, the casing further has a post-reaction gas exhaust port 13a in the lower wall portion for discharging the gas after the reaction, and the product discharge port is radially shifted in the lower wall portion of the casing and provided at a predetermined position different from the post-reaction gas exhaust port.
- a post-reaction gas exhaust port is provided in the lower wall of the casing, so that the post-reaction gas remaining in the casing is smoothly discharged to the outside through the post-reaction gas exhaust port.
- a product discharge port is provided in the lower wall of the casing at a predetermined position that is radially shifted and different from the post-reaction gas exhaust port, so that the liquid product is smoothly discharged to the outside through the product discharge port without being mixed with the post-reaction gas.
- FIG. 1 is a cross-sectional view showing a reactor according to one embodiment of the present invention, in which (a) is a longitudinal cross-sectional view of the reactor, and (b), (c), (d) and (e) are transverse cross-sectional views of the reactor shown in (a) taken along the lines bb, cc, dd and ee, respectively.
- FIG. 1 is a diagram for explaining the reaction operation in a reactor, in which (a) is a longitudinal sectional view of the reactor, and (b) and (c) are transverse sectional views of the reactor shown in (a) taken along lines bb and cc, respectively.
- FIG. 1 is a diagram for explaining the reaction operation in a reactor, in which (a) is a longitudinal sectional view of the reactor, and (b) and (c) are transverse sectional views of the reactor shown in (a) taken along lines bb and cc, respectively.
- FIG. 1 is a diagram for explaining the gas flow and condensation of products in a catalyst holding section in a reactor, in which (a) is a vertical cross-sectional view of the reactor, (b) is an enlarged view of the vertical tube section surrounded by a dashed dotted line in (a) and its surroundings, and (c), (d), and (e) are cross-sectional views of the enlarged view shown in (b) taken along lines c-c, d-d, and ee, respectively.
- Figure 1(a) is a vertical cross-sectional view of a reactor according to one embodiment of the present invention
- Figures 1(b), (c), (d) and (e) are cross-sectional views of the reactor shown in (a) taken along lines b-b, c-c, d-d and ee, respectively.
- This reactor 1 is configured to, for example, introduce a predetermined raw material gas (e.g., a mixed gas of H2 (hydrogen) and CO (carbon monoxide) or CO2 (carbon dioxide)) and generate a predetermined product (e.g., useful compounds such as hydrocarbons and alcohols) while causing an exothermic reaction inside.
- a predetermined raw material gas e.g., a mixed gas of H2 (hydrogen) and CO (carbon monoxide) or CO2 (carbon dioxide)
- a predetermined product e.g., useful compounds such as hydrocarbons and alcohols
- the reactor 1 is equipped with a casing 2 extending in the vertical direction, a control refrigerant pipe 3 (first refrigerant flow path) through which a refrigerant (first refrigerant) for controlling the reaction temperature inside the casing 2 (hereinafter referred to as the “control refrigerant”) flows, a condensation refrigerant pipe 4 (second refrigerant flow path) through which a refrigerant (second refrigerant) for condensing the product produced by the reaction (hereinafter referred to as the "condensation refrigerant”) flows, and a pellet-shaped catalyst 5 filled inside the casing 2.
- the casing 2 has a main body 11 formed in a tubular shape (cylindrical in this embodiment) that extends a predetermined length in the vertical direction, an upper wall 12 that closes the upper end of the main body 11 and is provided with a raw material gas inlet 12a, and a lower wall 13 that closes the lower end of the main body 11 and is provided with a post-reaction gas outlet 13a and a product discharge outlet 13b.
- the raw gas inlet 12a and the post-reaction gas outlet 13a are provided in the center of the upper wall 12 and the lower wall 13, respectively.
- the product discharge port 13b is radially shifted from the center of the lower wall 13 and is provided at a predetermined position different from the post-reaction gas outlet 13a.
- the post-reaction gas outlet 13a is configured so that its upper end protrudes to a position higher than the lower horizontal pipe section 4b of the condensation refrigerant pipe 4 (described later) and opens upward in order to prevent the condensed liquid product from being discharged.
- the control refrigerant pipe 3 is assembled inside the casing 2, with the inlet 3a for the control refrigerant provided at the bottom of the casing 2 and the outlet 3b provided at the top of the casing 2.
- the inlet 3a and outlet 3b can be switched in their vertical positions depending on the method and conditions of use of the reactor 1, the reaction conditions, etc.
- the control refrigerant pipe 3 is also configured to surround multiple catalyst holders 3c (10 in this embodiment), each of which extends a predetermined length in the vertical direction and is made up of a through hole with a predetermined diameter.
- the condensation refrigerant pipe 4 has a plurality of (ten in this embodiment) vertical pipe sections 4a (vertical flow passage sections) that penetrate the above-mentioned catalyst holding section 3c of the control refrigerant pipe 3 and are arranged to extend in the vertical direction, a lower horizontal pipe section 4b that connects the lower ends of each vertical pipe section 4a and extends horizontally, and an upper horizontal pipe section 4c that connects the upper ends of each vertical pipe section 4a and extends horizontally.
- the lower horizontal pipe section 4b is provided with an inlet 4d for the condensation refrigerant, while the upper horizontal pipe section 4c is provided with an outlet 4e for the condensation refrigerant.
- the inlet 4d and outlet 4e can be swapped in their vertical positions depending on the method and conditions of use of the reactor 1, the reaction conditions, etc.
- each vertical pipe section 4a of the condensation refrigerant pipe 4 is provided with a vertical pipe section cover 6 extending in the vertical direction so as to cover its outer periphery.
- This vertical pipe section cover 6 is made of a punching plate with a large number of through holes of a predetermined diameter formed therein, and is formed in a cylindrical shape with an inner diameter slightly larger than the outer diameter of the vertical pipe section 4a and an outer diameter smaller than the diameter of the catalyst holding section 3c of the control refrigerant pipe 3.
- Each through hole of the vertical pipe section cover 6 is configured in a size that allows gas to pass through but does not allow catalyst 5 pellets to pass through.
- the catalyst 5 is made of a material (e.g., Fe (iron), Zr (zirconium), Ga (gallium) and/or Na (sodium)) that promotes the reaction when generating the product depending on the raw material gas and the product. As described above, the catalyst 5 is formed into pellets of a predetermined size.
- the catalyst 5 is filled in each catalyst holding portion 3c of the control refrigerant tube 3 in the casing 2 of the reactor 1. Specifically, in each catalyst holding portion 3c, the catalyst 5 is filled between the inner circumferential surface and the vertical tube cover 6 that surrounds the vertical tube portion 4a of the condensation refrigerant tube 4. As shown in FIG.
- the upper and lower sides of the control refrigerant tube 3 in the casing 2 are hollow spaces that are not filled with the catalyst 5. This allows the control refrigerant flowing through the control refrigerant tube 3 to effectively control the reaction temperature in each catalyst holding portion 3c, and allows the raw material gas introduced from the raw material gas inlet 12a to flow smoothly through each catalyst holding portion 3c.
- a raw material gas which is a mixed gas of H2 and CO2 is introduced into the reactor 1, and an exothermic direct FT reaction is caused to occur, thereby producing hydrocarbons.
- the raw gas is introduced into the reactor 1 through the raw gas inlet 12a at the top.
- the inside of the reactor 1 is pressurized, and the control refrigerant at a predetermined temperature (e.g., 200 to 300°C) is flowed through the control refrigerant tube 3 from the inlet 3a at the bottom to the outlet 3b at the top, that is, from the bottom to the top of the reactor 1.
- a predetermined temperature e.g. 200 to 300°C
- a direct FT reaction occurs in the reactor 1 at a predetermined pressure (e.g., 3 MPa) and a predetermined temperature (e.g., 380°C), and a predetermined hydrocarbon (e.g., octane) and water are produced in a gaseous state.
- the control refrigerant flowing through the control refrigerant tube 3 flows out from the outlet 3b to the outside, is cooled by a cooling device (not shown), and circulates so as to flow back into the inlet 3a.
- the condensation refrigerant at a predetermined temperature (200°C or less) lower than the control refrigerant flows through the condensation refrigerant tube 4 from the lower inlet 4d to the upper outlet 4e.
- the condensation refrigerant that flows into the inlet 4d passes through the lower horizontal tube section 4b, the ten vertical tube sections 4a, and the upper horizontal tube section 4c of the condensation refrigerant tube 4 in that order, before flowing out from the outlet 4e.
- the condensation refrigerant flowing through the condensation refrigerant tube 4 is cooled by a cooling device (not shown) after flowing out to the outside from the outlet 4e, and circulates to flow back into the inlet 4d.
- the vertical pipe section cover 6 which is provided to cover the outer periphery of each vertical pipe section 4a, has a structure in which no through holes are formed by a punching plate at its upper end 6a. That is, the upper end 6a of the vertical pipe section cover 6 has a top plate section 6b through which the corresponding vertical pipe section 4a penetrates, and an upper end cylindrical section 6c that is connected to the peripheral section of the top plate section 6b and extends downward for a certain length.
- the vertical pipe section cover 6 has a cylindrical cover main body section 6d that is connected to the lower end peripheral section of the upper end cylindrical section 6c and extends relatively long to the vicinity of the lower end of the control refrigerant pipe 3, and a large number of through holes are formed in this cover main body section 6d by a punching plate.
- a condensation space 7 with a circular cross section is defined between the upper end cylindrical portion 6c and the cover body portion 6d of the vertical pipe cover 6 and the vertical pipe portion 4a located inside them.
- the raw material gas flows downward while contacting the catalyst 5 packed in the catalyst holding section 3c, as shown by the downward arrow in FIG. 3(b).
- the gaseous hydrocarbons and water generated in the catalyst holding section 3c pass through the numerous through holes in the cover body section 6d of the vertical tube section cover 6, as shown by the inclined arrows pointing toward the vertical tube section 4a in FIG. 3(b), and move to the vertical tube section 4a side through the condensation space 7.
- the upper end 6a of the vertical tube cover 6 does not have a through hole formed by a punching plate, it is possible to prevent the raw material gas flowing into the catalyst holding section 3c from above from flowing directly into the condensation space 7 or flowing into the condensation space 7 with almost no contact with the catalyst 5.
- condensation refrigerant flows through the condensation refrigerant tube 4, the gaseous hydrocarbons and water that have moved to the vertical tube section 4a condense and condense on the outer circumferential surface of the vertical tube section 4a.
- condensation refrigerant tube 4 the gaseous hydrocarbons and water that have moved to the vertical tube section 4a condense and condense on the outer circumferential surface of the vertical tube section 4a.
- each vertical tube section 4a falls down the outer peripheral surface of the vertical tube section 4a under its own weight. Then, as shown by the arrow of the product guide path 13c on the lower wall section 13 in Figure 2 (c), the liquid product is guided to the product discharge outlet 13b and discharged to the outside.
- the above product guide path 13c is not tubular, but is formed so that the upper surface of the lower wall section 13 is inclined downward toward the front toward the product discharge outlet 13b. Therefore, the liquid product that falls on the upper surface of the lower wall section 13 automatically flows toward the product discharge outlet 13b and is discharged through the product discharge outlet 13b.
- the post-reaction gas remaining in the casing 2 is discharged to the outside through the post-reaction gas exhaust port 13a provided in the lower wall portion 13 of the casing 2.
- the reactor 1 of this embodiment when the raw material gas is introduced into the casing 2 through the raw material gas inlet 12a, an exothermic reaction occurs by a direct FT reaction due to the catalytic action of the catalyst 5 and the reaction temperature control by the control refrigerant, and gaseous products (hydrocarbons and water) are generated.
- the condensation refrigerant flows through the condensation refrigerant tube 4, causing the generated gaseous products to condense, and the liquid products condense on the outer peripheral surface of the vertical tube section 4a of the condensation refrigerant tube 4.
- the condensed products are then guided to the product discharge outlet 13b via the product guide path 13c and discharged to the outside.
- the gaseous products generated by the direct FT reaction in the casing 2 of the reactor 1 are condensed on the outer peripheral surface of the vertical tube section 4a of the condensation refrigerant tube 4, changing the state to a liquid state, and the products can be efficiently recovered.
- the concentration of the gaseous products in the casing 2 the progress of the direct FT reaction taking place in the casing 2 can be maintained at a high level, thereby improving the reaction rate compared to conventional reactors.
- control refrigerant promotes the direct FT reaction while controlling the reaction temperature inside the casing 2, while the condensation refrigerant, which has a lower temperature than the control refrigerant, condenses the gaseous product and causes it to condense on the outer circumferential surface of the vertical tube section 4a of the condensation refrigerant tube 4.
- the vertical tube section 4a through which each catalyst holding section 3c is inserted is provided with a vertical tube section cover 6 made of a punching plate so as to cover the outer circumferential surface of the vertical tube section 4a, so that the liquid product that condenses on the outer circumferential surface of the vertical tube section 4a falls along the outer circumferential surface of the vertical tube section 4a without leaking to the catalyst 5 side, and can be efficiently collected.
- the lower wall 13 of the casing 2 is provided with a post-reaction gas exhaust port 13a in its center, and a product discharge port 13b is provided radially offset from the center at a predetermined position different from the post-reaction gas exhaust port 13a. This allows the post-reaction gas remaining in the casing 2 to be smoothly discharged to the outside via the post-reaction gas exhaust port 13a, and allows the liquid product to be smoothly discharged to the outside via the product discharge port 13b without being mixed with the post-reaction gas.
- the reactor 1 is used to perform a direct FT reaction to generate hydrocarbons from a raw material gas containing H 2 and CO 2 , but the reactor of the present invention is not limited to this, and can be applied to a reaction in which an exothermic reaction occurs in the casing 2 of the reactor 1, the raw material gas does not contain liquid components at room temperature and reaction pressure, and the product contains a large amount of liquid components at room temperature and reaction pressure.
- the reactor 1 can be applied to a methanol synthesis reaction to generate CH 3 OH (methanol) from a raw material gas containing H 2 and CO 2 .
- the reactor 1 has 10 catalyst holding sections 3c of the control refrigerant tube 3 and 10 vertical tube sections 4a of the condensation refrigerant tube 4, but the number is not particularly limited, and it is possible to have a number other than 1 or 10 depending on the size and shape of the reactor.
- Reactor 2 Casing 3 Control refrigerant pipe (first refrigerant flow path) 3a Inlet 3b Outlet 3c Catalyst holding part 4 Refrigerant pipe for dew condensation (second refrigerant flow path) 4a Vertical pipe section (vertical channel section) 4b Lower horizontal pipe part 4c Upper horizontal pipe part 4d Inlet 4e Outlet 5 Catalyst 6 Vertical pipe part cover (vertical channel part cover) 6a Upper end of vertical tube cover 6b Top plate 6c Upper cylindrical portion 6d Cover main body 7 Condensation space 11 Casing main body 12 Casing upper wall 12a Raw material gas inlet 13 Casing lower wall 13a Post-reaction gas outlet 13b Product discharge outlet 13c Product guide path
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Abstract
Description
2 ケーシング
3 制御用冷媒管(第1冷媒流路)
3a 流入口
3b 流出口
3c 触媒保持部
4 結露用冷媒管(第2冷媒流路)
4a 縦管部(縦流路部)
4b 下横管部
4c 上横管部
4d 流入口
4e 流出口
5 触媒
6 縦管部カバー(縦流路部カバー)
6a 縦管部カバーの上端部
6b 天板部
6c 上端円筒部
6d カバー本体部
7 結露スペース
11 ケーシングの本体部
12 ケーシングの上壁部
12a 原料ガス導入口
13 ケーシングの下壁部
13a 反応後ガス排出口
13b 生成物搬出口
13c 生成物案内経路
Claims (6)
- 所定の原料ガスが導入され、所定の触媒による触媒作用によって発熱反応を生じさせながら、所定の生成物を生成するための反応器であって、
前記原料ガスが導入される原料ガス導入口、及び生成された前記生成物を搬出するための生成物搬出口を有し、内部に前記触媒が充填されたケーシングと、
前記ケーシング内において所定の第1冷媒が流れるように配置され、前記ケーシング内の反応温度を制御するための第1冷媒流路と、
前記ケーシング内において所定の第2冷媒が流れるように配置され、前記生成物を外周面に結露させるための第2冷媒流路と、
前記ケーシング内に設けられ、前記第2冷媒流路の外周面に結露した生成物を、前記生成物搬出口に案内する生成物案内経路と、
を備えていることを特徴とする反応器。 - 前記第2冷媒は、前記第1冷媒よりも温度が低く設定されていることを特徴とする請求項1に記載の反応器。
- 前記ケーシングは、上下方向に延びる筒状に形成された本体部と、この本体部の上端部を閉塞しかつ前記原料ガス導入口が設けられた上壁部と、前記本体部の下端部を閉塞しかつ前記生成物搬出口が設けられた下壁部と、を有し、
前記第2冷媒流路は、前記本体部内において上下方向に延び、前記第2冷媒が流れる複数の縦流路部を有し、
前記第1冷媒流路は、前記複数の縦流路部の各々の外周面との間に所定間隔を隔てた状態で、当該各縦流路部を囲うように構成された複数の触媒保持部を有し、当該各触媒保持部の外周部に前記第1冷媒が流れるように構成されており、
前記触媒は、前記各縦流路部と前記各触媒保持部との間に充填されていることを特徴とする請求項1に記載の反応器。 - 前記各触媒保持部には、前記縦流路部に沿って延びかつ当該縦流路部の外周面との間に所定の隙間を存した状態で、前記触媒保持部内の前記触媒と前記縦流路部との間を仕切る筒状に形成され、気体の通過を許容するとともに前記触媒が前記縦流路部に接するのを防止するための縦流路部カバーが設けられていることを特徴とする請求項3に記載の反応器。
- 前記縦流路部カバーは、所定の径を有する多数の貫通孔が形成されたパンチングプレートで構成されていることを特徴とする請求項4に記載の反応器。
- 前記ケーシングは、前記下壁部に、反応後のガスを排出するための反応後ガス排出口をさらに有しており、
前記生成物搬出口は、前記ケーシングの前記下壁部において径方向にずれ、前記反応後ガス排出口と異なる所定位置に設けられていることを特徴とする請求項3から5のいずれかに記載の反応器。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2025527475A JPWO2024257435A1 (ja) | 2023-06-14 | 2024-03-27 | |
| DE112024002573.0T DE112024002573T5 (de) | 2023-06-14 | 2024-03-27 | Reaktor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2023097620 | 2023-06-14 | ||
| JP2023-097620 | 2023-06-14 |
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| WO2024257435A1 true WO2024257435A1 (ja) | 2024-12-19 |
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| PCT/JP2024/012456 Ceased WO2024257435A1 (ja) | 2023-06-14 | 2024-03-27 | 反応器 |
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| JP (1) | JPWO2024257435A1 (ja) |
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| WO (1) | WO2024257435A1 (ja) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011515334A (ja) * | 2008-02-25 | 2011-05-19 | ハルドール・トプサー・アクチエゼルスカベット | メタノールを製造するための方法及び反応器 |
| US20140377164A1 (en) * | 2013-06-21 | 2014-12-25 | Phillips 66 Company | Process for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from claus sulfur recovery |
| WO2021060145A1 (ja) * | 2019-09-27 | 2021-04-01 | 住友化学株式会社 | 化学反応方法および化学反応装置 |
| JP2021127304A (ja) * | 2020-02-12 | 2021-09-02 | 国立大学法人島根大学 | 内部凝縮型反応器 |
| WO2022045326A1 (ja) * | 2020-08-31 | 2022-03-03 | 住友化学株式会社 | 化学反応方法、化学反応装置および製造方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP7731195B2 (ja) | 2020-12-25 | 2025-08-29 | Eneos株式会社 | 反応装置 |
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- 2024-03-27 WO PCT/JP2024/012456 patent/WO2024257435A1/ja not_active Ceased
- 2024-03-27 JP JP2025527475A patent/JPWO2024257435A1/ja active Pending
- 2024-03-27 DE DE112024002573.0T patent/DE112024002573T5/de active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011515334A (ja) * | 2008-02-25 | 2011-05-19 | ハルドール・トプサー・アクチエゼルスカベット | メタノールを製造するための方法及び反応器 |
| US20140377164A1 (en) * | 2013-06-21 | 2014-12-25 | Phillips 66 Company | Process for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from claus sulfur recovery |
| WO2021060145A1 (ja) * | 2019-09-27 | 2021-04-01 | 住友化学株式会社 | 化学反応方法および化学反応装置 |
| JP2021127304A (ja) * | 2020-02-12 | 2021-09-02 | 国立大学法人島根大学 | 内部凝縮型反応器 |
| WO2022045326A1 (ja) * | 2020-08-31 | 2022-03-03 | 住友化学株式会社 | 化学反応方法、化学反応装置および製造方法 |
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| JPWO2024257435A1 (ja) | 2024-12-19 |
| DE112024002573T5 (de) | 2026-04-09 |
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