WO2023112932A1 - Dispositif de trajet d'écoulement - Google Patents

Dispositif de trajet d'écoulement Download PDF

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Publication number
WO2023112932A1
WO2023112932A1 PCT/JP2022/045922 JP2022045922W WO2023112932A1 WO 2023112932 A1 WO2023112932 A1 WO 2023112932A1 JP 2022045922 W JP2022045922 W JP 2022045922W WO 2023112932 A1 WO2023112932 A1 WO 2023112932A1
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WO
WIPO (PCT)
Prior art keywords
flow path
channel
port
temperature sensor
flow
Prior art date
Application number
PCT/JP2022/045922
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English (en)
Japanese (ja)
Inventor
優佑 今村
Original Assignee
横河電機株式会社
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 横河電機株式会社 filed Critical 横河電機株式会社
Publication of WO2023112932A1 publication Critical patent/WO2023112932A1/fr

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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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/24—Stationary reactors without moving elements inside
    • 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
    • Y02E60/50—Fuel cells

Definitions

  • the present disclosure relates to flow path devices.
  • a channel device that has a channel joint that forms at least part of a reaction channel of a flow reactor, and a temperature sensor that extends into the internal channel of the channel joint (see, for example, Patent Document 1).
  • the flow channel device as described above is required to detect the temperature, which affects the reaction of the fluid flowing through the reaction flow channel, with a high degree of accuracy using a temperature sensor.
  • an object of the present disclosure is to provide a channel device that facilitates increasing the detection accuracy of the temperature of the fluid flowing through the reaction channel.
  • the channel device includes a channel fitting that forms at least a portion of a reaction channel of the flow reactor, and a temperature sensor, the channel fitting comprising a first connection port; a second connection port; an attachment port; and a linear flow path having a communication port communicating with the second connection port and extending from the first connection port to the attachment port;
  • the channel device is attached to the attachment port and extends in the longitudinal direction beyond the communication port in the straight channel.
  • the temperature sensor can be brought into contact with the fluid flowing through the reaction channel over a length exceeding the thickness of the internal channel of the channel joint, so that the temperature detection accuracy can be easily improved. can.
  • the flow channel device has a fixed portion in which the temperature sensor is fixed to the mounting port, and an extension portion extending from the fixed portion into the linear flow channel, and the fixed portion
  • the flow path device is thicker than the extension portion. According to such a configuration, it is possible to easily suppress damage to the temperature sensor due to stress caused by attachment to the attachment port, and to increase the temperature detection sensitivity of the temperature sensor.
  • the flow path device is a flow path device having an attachment portion for attaching the temperature sensor to the attachment port.
  • the temperature sensor can be attached by the attachment portion.
  • the length in the longitudinal direction of the linear flow path from the center of the communication port to the attachment port is the length of the straight line from the center of the communication port to the first connection port.
  • the channel device is shorter than the length of the channel in the longitudinal direction.
  • the flow path device is a flow path device in which the flow path joint is configured as a T-shaped three-way branch joint in which the first connection port and the attachment port are arranged to face each other.
  • the reaction flow path is formed by connecting the first connection port and the second connection port of the flow path joint to the respective tubes, the fluid flowing in each tube is thermally affected from the outside.
  • the effect and the thermal effect from the outside on the fluid flowing through the flow path joint can be easily approached equally, and as a result, the chemical reaction of the fluid can be easily stabilized.
  • the channel device is a channel device in which the thickness of the linear channel is 1 cm or less, or the cross-sectional area of the linear channel is 1 cm 2 or less. According to such a configuration, it is possible to easily improve the detection accuracy of the temperature of the fluid flowing through the narrow reaction channel.
  • the flow reactor is a flow reactor having said reaction channel formed by said channel device. According to such a configuration, it is possible to provide a flow reactor that can easily improve the detection accuracy of the temperature of the fluid flowing through the reaction channel.
  • the flow reactor device is a flow reactor device having the flow reactor and a control section that controls the state of the flow in the reaction channel according to the detection result of the temperature sensor. According to such a configuration, it is possible to provide a flow reactor device that can easily improve the detection accuracy of the temperature of the fluid flowing through the reaction channel.
  • FIG. 1 is a schematic diagram showing a flow reactor device having a channel device according to a first embodiment
  • FIG. 5 is a schematic diagram showing a flow reactor device having a channel device according to a second embodiment
  • the channel device 1 As shown in FIG. 1, the channel device 1 according to the first embodiment has a channel joint 2, a temperature sensor 3, and a mounting screw 4 as a mounting portion.
  • the channel joint 2 forms at least part of the reaction channel of the flow reactor 5 .
  • a flow reactor device 7 is composed of the flow reactor 5 and the control unit 6 .
  • the flow reactor 5 is a member that forms a reaction channel that causes a chemical reaction in a flow type rather than a batch type.
  • the channel joint 2 forms at least part of the reaction channel of the flow reactor 5 . That is, the flow reactor 5 has a reaction channel formed by the channel device 1 .
  • the thickness of the reaction channel is, for example, 1 cm or less, and may be 1 mm or less.
  • the temperature sensor 3 is an in-line type that detects the temperature by coming into contact with the fluid flowing in the reaction channel, and is composed of, for example, a thermocouple, a resistance temperature detector, or a thermistor.
  • the control unit 6 has a processing device 6a composed of a computer communicably connected to the temperature sensor 3 by wire or wirelessly, and controls the state of the flow in the reaction channel according to the detection result by the temperature sensor 3. .
  • the control unit 6 controls at least one of the flow rate (flow velocity) and temperature of at least one of the reaction fluid and the reactant.
  • the control unit 6 may have a flow rate control unit 6b, which is composed of, for example, a pump or an on-off valve provided in the reaction channel.
  • the control unit 6 may control the flow rate of at least one of the reaction fluid and the reactant in the reaction channel by controlling the operation of the flow rate control unit 6b by the processing device 6a.
  • control unit 6 may have a temperature control unit 6c configured by, for example, a constant temperature bath containing at least a part of the reaction channel or an electric heater provided in the reaction channel.
  • the control unit 6 may control the temperature of at least one of the reaction fluid and the reactant in the reaction channel by controlling the operation of the temperature control unit 6c using the processing device 6a.
  • the flow reactor device 7 can efficiently produce the target substance by chemical reaction according to the temperature of the fluid flowing in the reaction channel of the flow reactor 5 .
  • the temperature sensor 3 is not limited to being used in the control unit 6 as described above. It can be used for monitoring purposes only.
  • the flow path coupling 2 includes a first connection tube portion 8 having a first connection port 8a formed on its inner peripheral surface, a second connection tube portion 9 having a second connection port 9a formed on its inner peripheral surface, and a mounting port 10a. It has a mounting cylinder portion 10 formed on the inner peripheral surface, and a linear flow path 11 having a communication port 11a communicating with the second connection port 9a and extending from the first connection port 8a to the mounting port 10a.
  • the first connection port 8a and the attachment port 10a are arranged in a straight line to form a linear channel 11 extending from the first connection port 8a to the attachment port 10a.
  • the flow joint 2 is provided with a second connection port 9a.
  • a second flow path 15 is formed at a position spaced apart by a predetermined distance in a direction intersecting the direction and extending from a communication port 11a formed facing the linear flow path 11 to a second connection port 9a.
  • the linear flow path 11 extends linearly along the first central axis O1.
  • the cross-sectional shape of the linear channel 11 is not particularly limited, and may be, for example, circular, oval, triangular, square, rectangular, or other polygonal shape.
  • the linear shape is not limited to the case where the thickness (diameter when the cross-sectional shape is circular) is constant in the longitudinal direction along the first central axis O1, but also the case where the thickness changes in the longitudinal direction. include. That is, the linear flow path 11 may have a linear first central axis O1, and the thickness may vary in the longitudinal direction.
  • the thickness of the linear channel 11 may be, for example, 1 cm or less.
  • the cross-sectional area of the linear flow path 11 may be, for example, 1 cm 2 or less.
  • the first connecting tubular portion 8 has a tubular shape centered on the first central axis O1.
  • the first connection tubular portion 8 may be cylindrical, or may be tubular other than a cylinder, such as an elliptical tubular shape or a rectangular tubular shape.
  • the first connecting tube portion 8 is connected to a first channel member 12 such as a tube that forms part of the reaction channel.
  • the connection method is not particularly limited.
  • connection may be made via a first screw member 12a having a structure similar to that of the mounting screw 4, or connection may be made by fixing such as welding, adhesion, or adhesion.
  • the first flow path member 12 may be connected to the inner peripheral surface of the first connecting tube portion 8 as illustrated, or may be connected to the outer peripheral surface of the first connecting tube portion 8, or may be connected to the first You may connect to the end surface of the connection cylinder part 8.
  • the second connecting tubular portion 9 has a tubular shape centered on the second central axis O2.
  • the second connecting cylinder part 9 is connected to a second channel member 13 such as a tube forming part of the reaction channel, for example, as shown in the figure.
  • the connection method is not particularly limited.
  • connection may be made via a second screw member 13a having a structure similar to that of the mounting screw 4, or connection may be made by fixing such as welding, adhesion, or adhesion.
  • the second flow channel member 13 may be connected to the inner peripheral surface of the second connecting tube portion 9 as illustrated, or may be connected to the outer peripheral surface of the second connecting tube portion 9, or may be connected to the second You may connect to the end surface of the connection cylinder part 9.
  • the flow reactor 5 includes a first flow path 14 (including a linear flow path 11) centered on a first linear central axis O1 and a second flow path 15 centered on a second linear central axis O2. and have The communication port 11a is located at the boundary between the first flow path 14 and the second flow path 15, and the center C of the communication port 11a coincides with the second central axis O2.
  • the temperature sensor 3 is attached to the attachment port 10a by attaching the attachment screw 4 to the attachment cylinder portion 10, and extends in the linear flow path 11 in the longitudinal direction beyond the communication port 11a. Also, the temperature sensor 3 is preferably installed parallel to the longitudinal direction as shown. However, the temperature sensor 3 is not limited to being installed parallel to the longitudinal direction, and may be installed with a certain degree of inclination with respect to the longitudinal direction. For example, the temperature sensor 3 has an inclination angle that does not affect the flow of the fluid in the linear flow path 11, an inclination angle that allows the temperature sensor 3 to function normally without deformation, or an inclination angle that allows the temperature sensor 3 to function normally. It may be installed with an inclination angle of 0° or more and less than 45°.
  • the term "longitudinal side” means a direction having an inclination angle of 0° or more and less than 45° with respect to the longitudinal direction. According to such a configuration, the temperature sensor 3 can be brought into contact with the fluid flowing in the reaction channel over a length exceeding the thickness of the internal channel of the channel joint 2, thereby facilitating an increase in temperature detection accuracy. be able to.
  • the mounting screw 4 can be screwed into the inner peripheral surface of the mounting cylinder portion 10 . That is, the mounting screw 4 can be attached to the mounting opening 10a by screwing the mounting screw 4 into the inner peripheral surface forming the mounting opening 10a.
  • the mounting screw 4 is not limited to this, and may be configured so as to be screwed onto the outer peripheral surface of the mounting tube portion 10, for example.
  • the temperature sensor 3 has a fixed portion 3a fixed inside the mounting screw 4, and an extended portion 3b extending from the fixed portion 3a into the linear flow path 11 and in contact with the fluid.
  • the fixed portion 3a is thicker than the extension portion 3b. According to such a configuration, damage to the temperature sensor 3 due to stress caused by attaching the mounting screw 4 to the mounting port 10a can be easily suppressed, and the temperature detection sensitivity of the temperature sensor 3 can be easily increased. .
  • such a configuration is particularly effective when the mounting screw 4 can be screwed into the inner peripheral surface of the mounting cylinder portion 10 as described above.
  • the mounting tubular portion 10 has a tubular shape centered on the first central axis O1.
  • the temperature sensor 3 has a linear shape and is fixed to the center of the mounting screw 4 at the fixing portion 3a. Therefore, the temperature sensor 3 extends coaxially with the first central axis O1.
  • the longitudinal length L1 (hereinafter also referred to as the first length L1) of the linear flow path 11 from the center C of the communication port 11a to the attachment port 10a (the end on the center C side) is, for example, as shown in the figure.
  • the longitudinal length L2 of the linear flow path 11 from the center C of the communication port 11a to the first connection port 8a (the end on the center C side) (hereinafter also referred to as the second length L2).
  • the material of the flow path joint 2, the mounting screw 4, the first flow path member 12 and the second flow path member 13 may be resin or metal. They can be appropriately selected from stainless steel and the like. Moreover, it is preferable that the surface material of the temperature sensor 3 and the material of the mounting screw 4 are the same.
  • the effective cross-sectional area of the flow path (the cross-sectional area of the portion through which the fluid passes) is as constant as possible in the flow direction.
  • the retention time can be controlled by making the effective cross-sectional area of the channel substantially constant in the direction of flow. Therefore, it is preferable to design the first flow path 14 in consideration of the cross-sectional area of the extension portion 3b of the temperature sensor 3 so that the effective cross-sectional area of the first flow path 14 is as constant as possible in the longitudinal direction. That is, the flow path joint 2 is arranged so that the cross-sectional area of the extension portion 3b of the temperature sensor 3 subtracted from the cross-sectional area of the linear flow path 11 is substantially the same as the cross-sectional area of the hollow portion of the flow path member 12.
  • the temperature sensor 3 is preferably designed.
  • the linear flow path 11 is one end (the end on the center C side) of the mounting port 10a and the temperature sensor so that the extended portion 3b of the temperature sensor 3 is accommodated in the linear flow path 11.
  • the first flow path member 12 or one end (the end portion on the center C side) of the first connection port 8a (the end portion on the center C side) of the temperature sensor 3 It is defined as a channel extending to the vicinity of the tip of the extending portion 3b (the end opposite to the fixed portion 3a).
  • the flow path joint 2 has a T-shaped configuration in which the first connection port 8a and the attachment port 10a are arranged to face each other, as shown in the figure. is preferably configured as a 3-way branch joint.
  • the temperature sensor 3 is not limited to a configuration in which the fixed portion 3a is thicker than the extended portion 3b. For example, as in the second embodiment shown in FIG. good too. Further, a configuration in which a cylindrical member 16 is interposed between the mounting screw 4 and the fixing portion 3a may be adopted.
  • the material of the tubular member 16 is preferably the same as the surface material of the temperature sensor 3 and the mounting screw 4 .
  • the channel device 1 has the channel joint 2 that forms at least a part of the reaction channel of the flow reactor 5 and the temperature sensor 3, and the channel joint 2 a first connection port 8a, a second connection port 9a, an attachment port 10a, a linear flow path 11 having a communication port 11a communicating with the second connection port 9a and extending from the first connection port 8a to the attachment port 10a; and the temperature sensor 3 is attached to the mounting port 10a and extends in the linear flow path 11 in the longitudinal direction beyond the communication port 11a.
  • the flow reactor 5 according to the above-described embodiment can be variously modified as long as it is the flow reactor 5 having the reaction channel formed by the channel device 1 .
  • the flow reactor device 7 according to the above-described embodiment has a flow reactor 5 and a control unit 6 that controls the state of the flow in the reaction channel according to the detection result of the temperature sensor 3. Various changes are possible as long as
  • the temperature sensor 3 is not limited to a configuration extending coaxially with the first central axis O1, and may be configured to extend parallel to the first central axis O1, for example.
  • the configuration is not limited to the configuration using the mounting screw 4 as the mounting portion for mounting the temperature sensor 3 to the mounting port 10a.
  • the mounting portion may be configured using fasteners other than screws, clips, adhesives, welding, welding, and the like.
  • the attachment portion may have a sealing member for stopping water (sealing) as necessary.
  • the temperature sensor 3 has a fixed portion 3a fixed to the mounting port 10a and an extended portion 3b extending from the fixed portion 3a into the straight channel 11. It is preferable that the flow path device 1 has the fixed portion 3a thicker than the extended portion 3b.
  • the flow channel device 1 is preferably the flow channel device 1 having an attachment portion for attaching the temperature sensor 3 to the attachment port 10a.
  • the length L1 in the longitudinal direction of the linear channel 11 from the center C of the communication port 11a to the mounting port 10a is equal to the length L1 from the center C of the communication port 11a to the first connection port 8a. It is preferable that the channel device 1 is shorter than the longitudinal length L2 of the linear channel 11 up to .
  • the flow channel joint 2 is configured as a T-shaped three-way branch joint in which the first connection port 8a and the attachment port 10a are arranged to face each other. is preferably
  • the flow path device 1 is preferably a flow path device 1 in which the thickness of the linear flow path 11 is 1 cm or less, or the cross-sectional area of the linear flow path 11 is 1 cm 2 or less.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

Un dispositif de trajet d'écoulement (1) selon la présente invention comprend : un joint de trajet d'écoulement (2) qui forme au moins une partie d'un trajet d'écoulement de réaction d'un réacteur d'écoulement (5) ; et un capteur de température (3). Le joint de trajet d'écoulement (2) présente une première ouverture de raccordement (8a), une seconde ouverture de raccordement (9a), une ouverture de fixation (10a), et un trajet d'écoulement linéaire (11) qui présente une ouverture de communication (11a) qui est en communication avec la seconde ouverture de raccordement (9a) et qui s'étend à partir de la première ouverture de raccordement (8a) jusqu'à l'ouverture de fixation (10a), et le capteur de température (3) est fixé à l'ouverture de fixation (10a) et s'étend dans le sens de la longueur dans le trajet d'écoulement linéaire (11) au-delà de l'ouverture de communication (11a).
PCT/JP2022/045922 2021-12-15 2022-12-13 Dispositif de trajet d'écoulement WO2023112932A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-203706 2021-12-15
JP2021203706A JP2023088770A (ja) 2021-12-15 2021-12-15 流路装置

Publications (1)

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WO2023112932A1 true WO2023112932A1 (fr) 2023-06-22

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070166212A1 (en) * 2005-12-27 2007-07-19 Gas Technologies Llc Tandem Reactor System Having an Injectively-Mixed Backmixing Reaction Chamber, Tubular-Reactor, and Axially Movable Interface
JP2008504535A (ja) * 2004-06-29 2008-02-14 バイエル・テクノロジー・サービシーズ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング ファイバー・ブラッグ・グレーティングを用いる反応装置内の温度プロファイルの測定
JP2009085762A (ja) * 2007-09-28 2009-04-23 Toray Eng Co Ltd 温度測定デバイス
US20110166367A1 (en) * 2008-09-24 2011-07-07 Huntsman Petrochemical Llc Reactor temperature control using probability distribution
JP2013164377A (ja) * 2012-02-13 2013-08-22 National Institute Of Advanced Industrial & Technology 耐熱耐圧耐食性温度測定用マイクロデバイス
JP2014006260A (ja) * 2012-06-26 2014-01-16 Linde Aktiengesellschaft 流れる媒体の温度を測定する温度測定装置
JP2019500202A (ja) * 2015-11-11 2019-01-10 フルイテック インヴェスト アーゲー 連続法による化学反応を行うための装置
WO2019187497A1 (fr) * 2018-03-27 2019-10-03 株式会社カネカ Réacteur de type à écoulement et installation de fabrication le comprenant
WO2020008806A1 (fr) * 2018-07-05 2020-01-09 株式会社カネカ Système de capteurs

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008504535A (ja) * 2004-06-29 2008-02-14 バイエル・テクノロジー・サービシーズ・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング ファイバー・ブラッグ・グレーティングを用いる反応装置内の温度プロファイルの測定
US20070166212A1 (en) * 2005-12-27 2007-07-19 Gas Technologies Llc Tandem Reactor System Having an Injectively-Mixed Backmixing Reaction Chamber, Tubular-Reactor, and Axially Movable Interface
JP2009085762A (ja) * 2007-09-28 2009-04-23 Toray Eng Co Ltd 温度測定デバイス
US20110166367A1 (en) * 2008-09-24 2011-07-07 Huntsman Petrochemical Llc Reactor temperature control using probability distribution
JP2013164377A (ja) * 2012-02-13 2013-08-22 National Institute Of Advanced Industrial & Technology 耐熱耐圧耐食性温度測定用マイクロデバイス
JP2014006260A (ja) * 2012-06-26 2014-01-16 Linde Aktiengesellschaft 流れる媒体の温度を測定する温度測定装置
JP2019500202A (ja) * 2015-11-11 2019-01-10 フルイテック インヴェスト アーゲー 連続法による化学反応を行うための装置
WO2019187497A1 (fr) * 2018-03-27 2019-10-03 株式会社カネカ Réacteur de type à écoulement et installation de fabrication le comprenant
WO2020008806A1 (fr) * 2018-07-05 2020-01-09 株式会社カネカ Système de capteurs

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