WO2021060699A1 - Appareil de distribution de fluide de type douille - Google Patents

Appareil de distribution de fluide de type douille Download PDF

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Publication number
WO2021060699A1
WO2021060699A1 PCT/KR2020/010681 KR2020010681W WO2021060699A1 WO 2021060699 A1 WO2021060699 A1 WO 2021060699A1 KR 2020010681 W KR2020010681 W KR 2020010681W WO 2021060699 A1 WO2021060699 A1 WO 2021060699A1
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WO
WIPO (PCT)
Prior art keywords
reactant
socket
fluid distribution
distribution device
type fluid
Prior art date
Application number
PCT/KR2020/010681
Other languages
English (en)
Korean (ko)
Inventor
천주영
고동현
강전한
한상진
조현진
정재권
Original Assignee
주식회사 엘지화학
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
Priority claimed from KR1020200063701A external-priority patent/KR102524372B1/ko
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to EP20855891.6A priority Critical patent/EP3831473A4/fr
Priority to US17/274,737 priority patent/US11446622B2/en
Priority to CN202080005157.7A priority patent/CN112867558B/zh
Publication of WO2021060699A1 publication Critical patent/WO2021060699A1/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
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • 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
    • 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

Definitions

  • the present invention relates to a fluid distribution device for distributing and introducing a raw material fluid to a plurality of reactor bodies in a multi-tubular reactor, and more particularly, to a socket-type indwelling distribution device for a multi-tubular trickle-bed.
  • the trickle-bed type reactor is generally a fixed bed reactor having a diameter of at least a certain level, and has a type of supplying a liquid reactant and a gaseous reactant to the reactor.
  • a multi-tubular reactor in which unit reactors are arranged in parallel rather than a single-tube reactor with a large diameter is applied.
  • Such a multi-tubular reactor has an advantage in that it provides a large heat exchange area compared to a single-tube reactor having a large diameter.
  • such a conventional multi-tubular reactor has a problem in that it is difficult to evenly distribute the reactants to each unit reactor.
  • the conventional multi-tubular reactor is configured to overflow when the liquid reactants in the trays of each layer (step) are filled to a certain level or more, so that when a differential pressure occurs due to the non-uniformity of the catalyst layer for each unit reactor, even distribution is achieved. There was a problem that was difficult to lose.
  • the present invention is to solve the problems of the prior art as described above, the distribution device can be aligned at the correct position, offset the differential pressure generated by the catalyst filling for each unit reactor, and according to the flow rate ratio of the liquid reactant and the gaseous reactant
  • An object of the present invention is to provide a socket-type fluid distribution device capable of supplying droplets of various sizes to a catalyst bed in the form of airflow or spray.
  • a socket-type fluid distribution device for achieving the above object is a socket-type fluid distribution device for distributing and supplying a reactant of gas and/or liquid into a reactor body, wherein a partial region is inserted into the reactor body.
  • a body portion formed in a structure;
  • a mixing passage formed in the center of the body portion and formed through the body portion;
  • a gas reactant input unit disposed on the upper portion of the body and having a gas flow path;
  • a liquid reactant input portion disposed between the body portion and the gaseous reactant input portion and having a liquid flow path;
  • a flow control unit formed in the mixing flow path.
  • the socket-type fluid distribution device further includes a locking protrusion formed on one side of an outer circumferential surface of the body portion.
  • the socket-type fluid distribution device further includes a sealing portion formed along an outer circumferential surface of a lower end of the body portion.
  • the socket-type fluid distribution device is characterized in that it includes a plurality of body parts provided on the same line.
  • the gaseous reactant and the liquid reactant are mixed and moved in the mixing flow path.
  • the mixed reactant mixed in the mixing flow path is characterized in that the shape of the mixed reactant supplied into the reactor body is controlled according to the flow rate of the gaseous reactant relative to the liquid reactant.
  • the flow rate of the gaseous reactant relative to the flow rate of the liquid reactant is 1 to 100.
  • the form of the mixed reactant supplied to the reactor body is characterized in that it is in the form of droplets, airflow, or spray.
  • the flow control unit is configured to increase the pressure of the mixed reactant mixed in the mixing flow path.
  • the socket-type fluid distribution device is located inside the reactor body and includes a catalyst filling unit made of solid catalysts, and the flow control unit includes a pressure of the mixed reactant passing through the flow control unit. It is characterized in that it is configured to be greater than the differential pressure generated in the catalyst filling portion.
  • the flow control unit may include: a first inclined portion whose diameter of the mixing flow path is narrowed along a length direction of the mixing flow path; A retaining part whose diameter is maintained; And a second inclined portion in which the diameter of the mixing flow path is widened.
  • the inclination of the first inclined portion is 0° to 90°
  • the length of the holding portion is 1 mm to 20 mm
  • the inclination of the second inclined portion is 0° to 90°.
  • the socket-type fluid distribution device since it is configured in a socket type, since it is inserted into each reactor body provided in a unit reactor of a multi-tubular reactor, it is possible to align the fluid distribution device in an accurate position.
  • the gas reactant input unit and the liquid reactant input unit are separately configured, so that the reactants mixed in the fluid distribution device include droplets of a certain size or more according to the flow rate ratio of the liquid reactant and the gas reactant, It can be supplied to the catalyst packing unit in the form of airflow or spray.
  • the socket-type fluid distribution device constitutes a flow control unit configured to generate a certain flow resistance, thereby offsetting the differential pressure caused by catalyst filling that occurs differently for each catalyst filling portion in the reactor body, thereby reducing the distribution of reactants. It is possible to eliminate the effect of the differential pressure of the catalyst filling causing unevenness.
  • FIG. 1 is a schematic diagram of a socket-type fluid distribution device according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram showing a state in which a socket-type fluid distribution device according to an embodiment of the present invention is inserted into a reactor body.
  • socket-type fluid distribution device 100 according to the present invention will be described in more detail with reference to FIGS. 1 and 2 to aid in understanding the present invention.
  • the socket-type fluid distribution device 100 is a device for distributing and supplying a reactant of gas and/or liquid into the reactor body 200, and has a structure in which a partial region is inserted into the reactor body 200.
  • a body portion 10 formed;
  • a mixing passage 20 formed in the center of the body portion 10 and formed through the body portion 10;
  • a gas reactant input part 30 disposed above the body part 10 and having a gas flow path 40 formed therein;
  • a liquid reactant input unit 50 disposed between the body 10 and the gas reactant input unit 30 and having a liquid flow path 60 formed therein;
  • a flow control unit 70 formed in the mixing flow path 20.
  • the socket-type fluid distribution device 100 is for distributing and supplying gas and/or liquid reactants to the reactor body 200 provided in the unit reactor of the multi-tubular trickle-bed reactor.
  • the multi-tubular trickle-bed reactor may be composed of a plurality of unit reactors, and the unit reactor is a reactor body 200 and a catalyst filling unit (not shown) located inside the reactor body 200 and made of solid catalysts. It may include.
  • the multi-tubular trickle-bed reactor is a downstream catalytic reactor, in which a raw material fluid composed of reactants of gas and/or liquid in a catalytic process is introduced into each reactor body 200 provided in a unit reactor, and the reactor body 200 As it passes through the internal catalyst filling part, a series of chemical reactions are performed.
  • the socket-type fluid distribution device 100 according to the present invention is installed at the top of each reactor body 200 provided in the unit reactor of the multi-tubular trickle-bed reactor to distribute gas and/or liquid reactants as raw material fluids. And it can play a role of injecting.
  • the raw material fluid In the multi-tubular trickle-bed reactor, the raw material fluid must be introduced into the center of the uppermost end of the reactor body 200. If the raw material fluid is not injected into the center of the uppermost part of the reactor body 200, the raw material fluid flows along the inner wall of the reactor (wall flow phenomenon) and does not react with the catalyst or reacts with a part of the catalyst, resulting in a large reaction efficiency.
  • Deteriorate a wall flow phenomenon
  • the conventional multi-tubular trickle-bed reactor has a problem in that it is difficult to evenly distribute the reactants to each unit reactor.
  • the conventional multi-tubular trickle-bed reactor is configured to overflow when the liquid reactants in the trays of each layer (step) are filled to a certain level or higher, so when a differential pressure occurs due to non-uniformity of the filling of the catalyst in each unit reactor. There was a problem that it was difficult to achieve even distribution.
  • the socket-type fluid distribution device 100 is configured in a socket type that can be inserted and fixed in the reactor body 200, so that each reactor body provided in the unit reactor of the multi-tubular trickle-bed reactor ( Since it is inserted on top of 200) it can enable the fluid dispensing device to be aligned in the correct position.
  • some regions of the socket-type fluid distribution device 100 according to the present invention are inserted and fixed at the top of each reactor body 200 provided in the unit reactor of the multi-tubular trickle-bed reactor, and accordingly, the socket Since the reactant can be injected into the center of the uppermost end of the reactor body 200 through the type fluid distribution device 100, the problem that occurs when the reactant flows along the inner wall of the unit reactor can be solved when a conventional fluid distribution device is used.
  • the socket-type fluid distribution device 100 has a differential pressure due to filling of a catalyst for each unit reactor of a conventional multi-tubular trickle-bet reactor through a flow control unit 70 formed in the mixing flow path 20 to be described later. When this occurs, it is possible to solve the problem that it is difficult to achieve even distribution of the reactants.
  • the socket-type fluid distribution device 100 includes a plurality of body parts 10 provided on the same line in order to be inserted and fixed in each reactor body 200 provided in a unit reactor of a multi-tubular trickle-bed reactor arranged in parallel. It may include. Specifically, the plurality of body portions 10 may be formed to correspond to positions corresponding to the unit reactors of the multi-tubular trickle-bed reactor. The body portion 10 may be configured to be inserted and fixed to the uppermost end of the reactor body 200, and there is no limitation on the specific structure and method thereof. For example, the outer diameter of the body portion 10 is the same as the inner diameter of the reactor body 200, the body portion 10 may be inserted and fixed to the uppermost end of the reactor body 200.
  • the socket-type fluid distribution device 100 may be located at the center of the uppermost end of each reactor body 200.
  • the socket-type fluid distribution device 100 may include a locking protrusion 12 formed on one side of the outer circumferential surface of the body 10.
  • the engaging protrusion 12 is a reactor from the lower end of the body 10 to an arbitrary height. When inserted into the upper end of the main body 200 is formed to be caught in the reactor main body 200.
  • the lower region may be a predetermined region into which the body portion is inserted into the reactor body 200, that is, an insertion region (b), based on the engaging protrusion 12
  • the upper region may be a predetermined region of the socket-type fluid distribution device 100 that is not inserted into the reactor body 200, that is, an uninserted region (a).
  • the non-inserted area (a) compared to the inner diameter (T inner diameter) of the reactor body may be 0.5 to 1
  • the length (b/T inner diameter) of the insertion region (b) compared to the inner diameter (T inner diameter ) of the cylinder may be 0.5 or more and less than 2.
  • the insertion region (b) may be inserted and fixed in a form that is spaced apart from the top layer of the catalyst filling portion in the reactor body 200 by a predetermined distance, abuts the top layer of the catalyst filling portion, or inserted into the catalyst filling portion. have.
  • the body portion 10 may have a structure that is detachable from the upper end of the reactor body 200.
  • the socket-type fluid distribution device 100 according to the present invention, if necessary, by inserting the body portion 10 into the upper end of the reactor body 200, binding, or detaching from the upper end of the reactor body 200 It can be easy. Therefore, in the case of exchanging the catalyst in the reactor body 200 or washing the reactor body 200, the body portion 10 can be easily detached from the reactor body 200.
  • the socket-type fluid distribution device 100 may include a sealing portion 14 formed along an outer circumferential surface of the lower end of the body portion 10.
  • the sealing part 14 may serve to fix the socket-type fluid distribution device 100 to each reactor body 200 provided in a unit reactor of a multi-tubular trickle-bed reactor.
  • the socket-type It may serve to airtight to prevent the reactants from moving to a region not passing through the fluid distribution device 100, that is, a region between the reactor body 200 and the socket-type fluid distribution device 100.
  • the mixing passage 20 is formed in the center of the body portion 10 and may be formed through the body portion 10. In this way, in the mixing passage 20 formed through the body portion 10 in the center of the body portion 10, the gaseous reactant and the liquid reactant supplied through the gas passage 40 and the liquid passage 60 to be described later are Can be mixed.
  • the mixed reactant in which the gaseous reactant and the liquid reactant are mixed in the mixing passage 20 may move from the top to the bottom of the socket-type fluid distribution device 100. Specifically, the gaseous reactant and the liquid reactant are mixed in the mixing flow path 20 and flow from the top to the bottom of the socket-type fluid distribution device 100, and are discharged through the lowermost end of the mixing flow path 20 to the reactor main body 200. ) Can be supplied to the central part.
  • the gas reactant input unit 30 may be disposed above the body 10, and a gas flow path 40 may be formed. Specifically, the gas reactant input unit 30 is formed on the upper portion of the body portion 10, and the gas flow path 40 passes through the gas reactant input unit 30 in the center of the gas reactant input unit 30. Can be formed.
  • the gas flow path 40 may be connected to the mixing flow path 20.
  • the gaseous reactant may flow from top to bottom along the gas flow path 40, and may pass through the gas flow path 40 and be supplied to the mixing flow path 20.
  • the front end of the gas flow path 40 may include a pipe for supplying the gas reactant to the gas flow path 40, and in supplying the gas reactant to the gas flow path 40, controlling the supply flow rate of the gas reactant Additional devices such as valves and pumps may be installed.
  • the flow rate of the gaseous reactant supplied through the gas flow path 40 may be 25 ml/min to 5000 ml/min.
  • the flow rate of the gaseous reactant transferred to the mixing flow path 20 through the gas flow path 40 may be 25 ml/min to 4000 ml/min or 500 ml/min to 3000 ml/min.
  • the flow rate of the liquid reactant supplied to the liquid flow path 60 is fixed at 10 to 25 ml/min
  • the flow rate of the gas reactant supplied through the gas flow path 40 is 1000 ml/min to In the case of 2500 ml/min
  • the mixed reactant formed by mixing the gaseous reactant and the liquid reactant in the mixing passage 20 may be in the form of a spray.
  • a mixed reactant formed by mixing a gaseous reactant and a liquid reactant in the mixing flow path 20 May be in the form of airflow.
  • the flow rate of the gaseous reactant supplied through the gas flow path 40 is 25 ml/min to 1000 ml/min
  • the mixture formed by mixing the gaseous reactant and the liquid reactant in the mixing flow path 20 The reactants may be in the form of droplets.
  • the droplet size of the mixed reactant may be controlled.
  • the average size of droplets in the mixed reactant may be 10 mm 3 to 17 mm 3
  • the average size of droplets in the mixed reactant may be 3 mm 3 to 10 mm 3
  • the gas flow path When the flow rate of the gaseous reactant supplied through 40) is 500 ml/min to 1000 ml/min, the average size of droplets in the mixed reactant may be 0.6 mm 3 to 3 mm 3.
  • the liquid reactant input portion 50 is disposed between the body portion 10 and the gas reactant input portion 30, and a liquid flow path 60 may be formed.
  • the liquid reactant input unit 50 is formed at a predetermined height in a region between the body portion 10 and the gaseous reactant input unit 30, and a liquid flow path ( 60) can be formed.
  • the liquid flow path 60 is formed in the form of a plurality of holes at a predetermined interval along the outer surface of the liquid reactant input unit 50, or is connected to the mixing flow path 20 from the outer surface of the liquid reactant input unit 50. It can be formed in the form of a pipe.
  • the liquid flow path 60 may be formed at a position lower than the liquid level made of the liquid reactant in the multi-tubular trickle-bed reactor so that the liquid reactant can flow along the liquid flow path 60.
  • the liquid flow path 60 may be formed in plural along the outer surface of the liquid reactant input unit 50.
  • a plurality of the liquid flow paths 60 may be formed at regular intervals along the outer surface of the liquid reactant input unit 50, and the number of the liquid flow paths 60 is supplied to the mixing flow path 20. It can be appropriately adjusted according to the flow rate of the liquid reactant to be.
  • the flow rate of the liquid reactant transferred to the mixing flow path 20 through the liquid flow path 60 may be 0.25 ml/min to 250 ml/min.
  • the flow rate of the liquid reactant transferred to the mixing flow path 20 through the liquid flow path 60 is 0.25 ml/min to 2.5 ml/min, 2.5 ml/min to 50 ml/min, or 50 ml/min. It can be 250 ml/min.
  • the flow rate of the gaseous reactant supplied through the gas flow path 40 compared to the flow rate of the liquid reactant supplied through the liquid flow path 60 may be 1 to 100.
  • the flow rate of the gaseous reactant relative to the flow rate of the liquid reactant may be 10 to 100, 20 to 100, or 40 to 100.
  • the gas reactant input unit 30 and the liquid reactant input unit 50 are separately configured, so that the mixed reactant mixed in the mixing flow path 20 inside the socket-type fluid distribution device 100 is gas compared to the flow rate of the liquid reactant.
  • the reactant may be supplied to each reactor body 200 of the unit reactors of the multi-tubular trickle-bed reactor in the form of droplets, air flows, or sprays of a predetermined size or more.
  • the flow control unit 70 is formed in an arbitrary region of the mixing channel 20 to increase the pressure of the mixed reactant in which the gaseous reactant and the liquid reactant are mixed in the mixing channel 20.
  • the flow control unit 70 may be configured such that the pressure of the mixed reactant passing through the flow control unit 70 is greater than the differential pressure generated in the catalyst filling unit (not shown).
  • the differential pressure generated in the catalyst filling unit (not shown).
  • differential pressure due to catalyst filling occurs differently for each catalyst total charging unit.
  • a differential pressure is generated due to flow resistance to the stream passing through the catalyst packing part.
  • a differential pressure is generated according to a minute difference in size of the catalysts filled in the catalyst filling part, or the density, shape, etc. to be filled.
  • the socket-type fluid distribution device 100 is configured such that the pressure of the mixed reactant is greater than the differential pressure generated in the catalyst filling portion, thereby offsetting the differential pressure caused by catalyst filling that occurs differently for each catalyst filling portion.
  • the flow control unit 70 includes: a first inclined portion 72 in which a diameter of the mixing flow path 20 becomes narrower along the length direction of the mixing flow path 20; A holding portion 74 whose diameter is maintained; And a second inclined portion 76 in which the diameter of the mixing flow path is widened.
  • Specific values such as the angle of the first inclined portion 72, the length of the holding portion 74, and the angle of the second inclined portion 76 are determined by the pressure of the mixed reactant passing through the flow controller 70 to the catalyst filling. It can be set so that a pressure increase large enough to offset the differential pressure caused by it can be generated. According to the angle adjustment of the first inclined portion 72 and the second inclined portion 76 and the length of the holding portion 74, the flow controller 70 of various shapes may be formed.
  • the inclination of the first inclined portion 72 is 0° to 90°
  • the length of the holding portion 74 is 1 mm to 20 mm
  • the inclination of the second inclined portion 76 may be 0° to 90°. have.
  • the inclination of the first inclined portion 72 may be 10° to 90°, 30° to 90°, or 30° to 45°. By adjusting the inclination of the first inclined portion 72 within the above range, artificial flow resistance can be generated at the front end of the mixing flow path 20.
  • the length of the holding part 74 may be 1 mm to 15 mm, 5 mm to 15 mm, or 10 mm to 15 mm. By adjusting the length of the holding part 74 within the above range, the flowability of the mixed reactant can be controlled.
  • the inclination of the second inclined portion 76 may be 10° to 90°, 30° to 90°, or 30° to 45°.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)

Abstract

L'invention concerne un appareil de distribution de fluide de type douille permettant de distribuer et de fournir un réactif gazeux et/ou liquide dans un corps principal de réacteur. L'appareil de distribution de fluide de type douille comprend : une partie corps formée pour avoir une structure dont une partie de la partie corps est insérée dans le corps principal de réacteur ; un canal de fluide de mélange formé au centre de la partie corps et s'étendant à travers la partie corps ; une partie d'entrée de réactif gazeux disposée au-dessus de la partie corps et ayant un canal de fluide gazeux formé à l'intérieur de celle-ci ; une partie d'entrée de réactif liquide disposée entre la partie corps et la partie d'entrée de réactif gazeux et ayant un canal de fluide liquide formé à l'intérieur de celle-ci ; et une partie de commande d'écoulement formée au niveau du canal de fluide de mélange.
PCT/KR2020/010681 2019-09-24 2020-08-12 Appareil de distribution de fluide de type douille WO2021060699A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20855891.6A EP3831473A4 (fr) 2019-09-24 2020-08-12 Appareil de distribution de fluide de type douille
US17/274,737 US11446622B2 (en) 2019-09-24 2020-08-12 Socket-type fluid distributor
CN202080005157.7A CN112867558B (zh) 2019-09-24 2020-08-12 插座型流体分配器

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20190117210 2019-09-24
KR10-2019-0117210 2019-09-24
KR1020200063701A KR102524372B1 (ko) 2019-09-24 2020-05-27 소켓형 유체 분배 장치
KR10-2020-0063701 2020-05-27

Publications (1)

Publication Number Publication Date
WO2021060699A1 true WO2021060699A1 (fr) 2021-04-01

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PCT/KR2020/010681 WO2021060699A1 (fr) 2019-09-24 2020-08-12 Appareil de distribution de fluide de type douille

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WO (1) WO2021060699A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060078483A1 (en) * 2004-10-13 2006-04-13 Chevron U.S.A. Inc. Fluid distribution apparatus for downflow multibed poly-phase catalytic reactor
US20080244974A1 (en) * 2005-10-21 2008-10-09 Eni S.P.A. Fluid Mixing Device Inserted in or Combined With a Reactor
KR20150080869A (ko) * 2014-01-02 2015-07-10 한화케미칼 주식회사 유체 분배장치 및 이를 구비한 다관형 트리클-베드 촉매 반응기
KR101732409B1 (ko) * 2009-10-07 2017-05-24 셰브런 유.에스.에이.인크. 하향류 촉매 반응기용 유동 분배 장치
US20190176119A1 (en) * 2017-12-11 2019-06-13 Axens System for distributing a liquid and/or gas phase into a reaction vessel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060078483A1 (en) * 2004-10-13 2006-04-13 Chevron U.S.A. Inc. Fluid distribution apparatus for downflow multibed poly-phase catalytic reactor
US20080244974A1 (en) * 2005-10-21 2008-10-09 Eni S.P.A. Fluid Mixing Device Inserted in or Combined With a Reactor
KR101732409B1 (ko) * 2009-10-07 2017-05-24 셰브런 유.에스.에이.인크. 하향류 촉매 반응기용 유동 분배 장치
KR20150080869A (ko) * 2014-01-02 2015-07-10 한화케미칼 주식회사 유체 분배장치 및 이를 구비한 다관형 트리클-베드 촉매 반응기
US20190176119A1 (en) * 2017-12-11 2019-06-13 Axens System for distributing a liquid and/or gas phase into a reaction vessel

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