CN106698339B - A kind of device for liquid organic hydride dehydrogenation - Google Patents
A kind of device for liquid organic hydride dehydrogenation Download PDFInfo
- Publication number
- CN106698339B CN106698339B CN201611061654.0A CN201611061654A CN106698339B CN 106698339 B CN106698339 B CN 106698339B CN 201611061654 A CN201611061654 A CN 201611061654A CN 106698339 B CN106698339 B CN 106698339B
- Authority
- CN
- China
- Prior art keywords
- reaction tube
- organic hydride
- liquid
- reaction
- dehydrogenation
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
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
- C01B3/22—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds
-
- 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
- C01B3/22—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds
- C01B3/24—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons
- C01B3/26—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons 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
- C01B2203/10—Catalysts for performing the hydrogen forming reactions
- C01B2203/1005—Arrangement or shape of catalyst
- C01B2203/1035—Catalyst coated on equipment surfaces, e.g. reactor walls
-
- 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
- C01B2203/10—Catalysts for performing the hydrogen forming reactions
- C01B2203/1041—Composition of the catalyst
- C01B2203/1047—Group VIII metal catalysts
- C01B2203/1052—Nickel or cobalt catalysts
- C01B2203/1058—Nickel 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
- C01B2203/12—Feeding the process for making hydrogen or synthesis gas
- C01B2203/1205—Composition of the feed
- C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
- C01B2203/1217—Alcohols
-
- 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
- C01B2203/12—Feeding the process for making hydrogen or synthesis gas
- C01B2203/1205—Composition of the feed
- C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
- C01B2203/1235—Hydrocarbons
- C01B2203/1252—Cyclic or aromatic hydrocarbons
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a kind of devices for liquid organic hydride dehydrogenation, the device includes that shell, liquid distribution trough, reaction tube, electromagnetic coil and fluid inlet and outlet such as take at the compositions, reaction tube is evenly distributed in device, circulation thermal medium provides heat for reaction in pipe, electromagnetic coil is the hot-wire coil for being wound in every reaction tube both ends in certain direction, reaction tube can be made to magnetize after energization, the outer adsorption catalyst of pipe simultaneously forms organic hydride thin liquid film generation dehydrogenation reaction, and the present invention has following clear advantage compared with prior art：By making the filling replacement of catalyst very easy to electromagnetic coil break-make is electrically operated, the requirement of continuous production can be met.
Description
Technical field
The present invention relates to a kind of reaction units using liquid organic hydride and low temperature heat energy hydrogen making, more specifically
It is related to a kind of device of the horizontal tube falling film catalytic dehydrogenation of surface magnetic solid-carried catalyst.
Background technology
Hydrogen Energy is a kind of important resource, has irreplaceable role, organic hydride in the energy, chemical industry, medicine and other fields
Object dehydrogenation is to produce a kind of important means of hydrogen, such as cyclohexane dehydrogenation, cyclohexanol dehydrogenation, dehydrogenation of isopropanol, except acquisition hydrogen
Outside gas, the chemical products such as benzene, cyclohexanone, acetone can also be obtained, are occupied an important position in the industry.Currently, dehydrogenation in industry
Reaction can be divided into two classes, gas phase and liquid phase reactor.Gas phase reaction carries out generally in fixed bed catalytic reactor, reaction conversion ratio
Height, but that there are reaction temperatures is higher, energy consumption is high, by-product mostly with catalyst easy in inactivation the problems such as.Dehydrogenation in liquid phase can be in fixed bed
Or tank reactor and carried out compared under low reaction temperatures, but reaction conversion ratio is relatively low, and required equipment is huge.
(the International Journal of Hydrogen Energy 2003,28 such as Hodoshima：197-204)
With (a kind of method and device of catalyzing manufacturing of hydrogen suitable for hydrogen energy automobile, Chinese patent, the application number such as Xu Guohua：
201410556392.X) propose a kind of method of liquid film type dry and wet biphasic catalysis dehydrogenation.In the method, catalyst is supported
Or be placed on electric heating sheets or disk, after being heated to reaction temperature, liquid organic hydride is sprayed with intermittent mode to catalyst
Surface forms thin liquid film and dehydrogenation reaction occurs, and reacts the condensed rear available purer hydrogen of gas of generation.This method is logical
It crosses certain frequency to input reactant, the state of alternation of wetting and drying is presented in catalyst surface under the action of electrical heating, is conducive to anti-
Product is answered to be detached from catalyst surface rapidly, conversion ratio is relatively low caused by solving inhibition of the dehydrogenation in liquid phase reaction due to product
The problem of, ensure compared under low reaction temperatures also have higher reaction conversion ratio.
Invention content
(1) technical problems to be solved
The present invention provides a kind of devices for liquid organic hydride dehydrogenation, can improve and are catalyzed when being operated
Agent filling replacement is very easy, meets the needs of continuous production, and heating, can using heat resources such as factory's waste heat, waste heats
The effectively save energy
(2) technical solution
In order to overcome drawbacks described above, the present invention provides a kind of devices for liquid organic hydride dehydrogenation, including shell
Body, liquid distribution trough and reaction tube, the liquid distribution trough are used for organic hydride liquid injection to the reaction tube appearance
On face；
Described device further includes electromagnetic coil, is fixed on the reaction tube both ends, for making the reaction tube magnetize, with
Make to have magnetic catalyst with due on the reaction tube outer surface.
Described in one embodiment of the invention, the electromagnetic coil magnetizes the reaction tube after being powered, by catalyst
It is fixed on the reaction tube outer surface；
According to one embodiment of the invention, the electromagnetic coil is to be wrapped in every reaction tube both ends in certain direction；
According to one embodiment of the invention, the electromagnetic coil is the electromagnetic coil that can carry out control system of switching on or off electricity；
According to one embodiment of the invention, the reaction tube is magnetisable and demagnetization metal circular tube；
According to one embodiment of the invention, the diameter of the reaction tube is between 25 millimeters and 50 millimeters；
According to one embodiment of the invention, the reaction tube is evenly arranged in described device；
According to one embodiment of the invention, heat is provided for reaction in the reaction tube equipped with circulation thermal medium；
According to one embodiment of the invention, the liquid distribution trough is located above the reaction tube；
According to one embodiment of the invention, the middle part of the shell is the cylinder of cylinder, the both ends difference of the cylinder
Connect a hemispheric end；
According to one embodiment of the invention, it is welded with tablet between the cylinder and the end, is used for described in fixation
Reaction tube.
(3) advantageous effect
Electromagnetic method fixed catalyst is used in the present invention, it is electrically operated by break-make so that the filling of catalyst is replaced very
Simplicity can meet the requirement of continuous production, using the form of horizontal tube falling film, manage interior low temperature heat energy and act directly on catalysis
Agent and reaction-ure surface, greatly improved overall heat-transfer coefficient, increase the utilization ratio of heat, utilize factory's waste heat, waste heat etc.
Heat resource generates high-grade Hydrogen Energy, the effectively save energy of the energy.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the present of invention；
Fig. 2 is the flow chart that hydrogen is prepared using the device of the invention.
Specific implementation mode
The device for liquid organic hydride dehydrogenation of the present invention has shell, reaction tube, liquid distribution trough and electromagnetism
Coil.Reaction vessel of the shell as liquid organic hydride dehydrogenation.The reaction tube is for heating liquid organic hydride
Object is allowed to carry out dehydrogenation reaction in reaction pipe surface.Heat source medium can be passed through in the reaction tube, to provide heat for hydrogenation
Amount.The reaction tube is preferably evenly arranged in described device, so that liquid organic hydride is evenly distributed on reaction tube
Outer surface.The material of the reaction tube can select the metal of easy magnetization and easy demagnetization, such as soft iron etc..The shape of reaction tube is excellent
It is selected as pipe, but it is not limited to this.
The liquid distribution trough is used for organic hydride liquid injection to the reaction tube outer surface.The liquid point
Cloth device is located above the reaction tube.
The present invention proposes, in reaction tube both ends Motionless electromagnetic coil, to be used to make the reaction tube to magnetize, so as to will have
Magnetic catalyst is fixed on the reaction tube outer surface.Using electromagnetic field magnetizable metal and adsorb the original of magnetic catalyst
Reason, may make dehydrogenation to be very easily loaded into reactor, has substantially saved Catalyst packing cost.
Preferably, the electromagnetic coil is to be wrapped in every reaction tube both ends in certain direction, the electromagnetism after being powered as a result,
Coil can generate the magnetic field of the same direction and reaction tube is made to magnetize.
The electromagnetic coil is preferably the electromagnetic coil that can carry out control system of switching on or off electricity, makes reaction tube to generate magnetic field
Rapid magnetization and demagnetization, facilitate magnetic catalyst toward the absorption and disengaging on reaction tube.Electromagnetic coil and 12 or 24 volts of power supply
It is connected, the control of power on/off is realized by switch of cutting off the power.
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in further detail.
Fig. 1 is the structural schematic diagram of one embodiment of the device for fluid organic material dehydrogenation of the present invention.Such as Fig. 1 institutes
Show, which includes shell 1, liquid distribution trough 2, reaction tube 3, electromagnetic coil 4, catalyst feeds 5, gas blow valve port 6, heat
Source medium inlet 7, heat source medium outlet 8, reaction-ure inlet 9, gas vent 10 and liquid outlet 11.
The middle part of the shell 1 is a cylindrical cylinder, and it is hemispheric that the both sides of cylinder are separately connected an evagination
End, is welded with porous tablet between cylinder and two ends, the quantity and size and the reaction tube 3 one in hole are a pair of
It answers.The shell 1 connects heat source medium entrance 7 and heat source for fixing the liquid distribution trough 2 and the reaction tube 3
Media outlet 8,1 material of the shell are generally stainless steel, enamel etc..
The reaction tube 3 is the soft iron pipe of 25 to 50 millimeters of diameter, and the both ends of reaction tube 3 are separately fixed at the cylinder of shell
On the hole of two tablets between body and end.For surface fixed catalyst dehydrogenation reaction, internal circulation occur for its reaction tube 3
Heat source medium.
The liquid distribution trough 2 is liquid distribution device positioned at reaction tube 3 above, can be shower nozzle type, sieve mesh type etc.,
For organic hydride liquid to be evenly distributed to reaction tube 3.
The outside of the reaction tube 3 is fixed with electromagnetic coil 4.In this embodiment, the electromagnetic coil 4 is by certain side
To the enamel covered wire for being wrapped in every 3 both ends external power supply of reaction tube, it is used to magnetize the reaction tube 3, to fix magnetic
Property catalyst.
The catalyst feeds 5 are the opening on the cylinder of shell 1, are used to connect feed pipe, by fresh thunder Buddhist nun
In the absolute ethyl alcohol suspension injection device of Raney nickel.
The gas blow valve port 6 is the opening on the cylinder of shell 1, is used to connect nitrogen feed pipe, to remove thunder
Surface absolute ethyl alcohol in Buddhist nun's nickel.
The heat source medium entrance 7 is the opening in the domed ends of shell 1, is used to connect heat source medium charging
Pipe, to input heat source medium into reaction tube to provide heat.
The heat source medium outlet 8 is the opening in the domed ends of shell 1, is used to connect heat source medium discharging
Pipe, so that heat source medium flows out in reaction tube 3.
The reaction-ure inlet 9 is the opening on the cylinder of shell 1, and lower end is connected with the liquid distribution trough 2, thereon
End connection feed pipe, being used for will be in liquid organic hydride injection device；
The gas vent 10 is to be used to connect discharge nozzle toward the opening on the cylinder of shell 1, the hydrogen that reaction is generated
Gas exports to outside device.
The liquid outlet 11 is the opening in the cylinder lower end of shell 1, is used to connect discharge nozzle, will react remaining
Liquid material exports to outside device.
Fig. 2 is the flow chart that hydrogen is prepared using the device of the above embodiment of the present invention, is as follows：
S1：By the absolute ethyl alcohol suspension of a concentration of 10-30g/L of fresh Raney's nickel catalyst by 5 note of catalyst feeds
Enter and submerge reaction tube 3 in device, electromagnetic coil 4, which is powered, magnetizes reaction tube 3, and catalyst is made to be fixed on 3 outer surface of reaction tube, quiet
It sets and remaining ethanol liquid is discharged after ten minutes.
S2：It is passed through nitrogen into device from gas blow valve port 6, is led under nitrogen protection from thermal source inlet 7 into reaction tube 3
Enter hot fluid heats catalyst, remove surface absolute ethyl alcohol in Raney's nickel, stops leading to nitrogen after twenty minutes.
S3：After being warming up to suitable desorption temperature after catalyst temperature, liquid organic hydride is by reaction-ure inlet 9 and liquid
Body distributor 2 is sprayed to the surface of the catalyst of reaction tube 3, forms fluid film and dehydrogenation reaction occurs, the liquid is organic
Hydride can select isopropanol, cyclohexanol and hexamethylene etc..
S4：The gas that dehydrogenation reaction generates in S3 is flowed out through gas vent 10, and unreacted liquid can be by liquid outlet 11
Purer hydrogen can be obtained in discharge after separation.
After long-time catalysts inactivation, after electromagnetic coil 4 can be powered off, reacted object import 9 and liquid distribution trough 2
Liquid water is sprayed into, reactor is removed and be discharged to catalyst from 3 surface of reaction tube, repeats step S1-S4.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
Describe in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the protection of the present invention
Within the scope of.
Claims (9)
1. a kind of device for liquid organic hydride dehydrogenation, including shell, liquid distribution trough and reaction tube, the liquid point
Cloth device is used for organic hydride liquid injection to the reaction tube outer surface, it is characterised in that：
Described device further includes electromagnetic coil, is fixed on the reaction tube both ends, for making the reaction tube magnetize, so that will
Have magnetic catalyst to be fixed on the reaction tube outer surface；
The wherein described electromagnetic coil is the electromagnetic coil that can carry out control system of switching on or off electricity, makes the rapid magnetic of reaction tube to generate magnetic field
Change and demagnetization.
2. being used for the device of liquid organic hydride dehydrogenation as described in claim 1, which is characterized in that the electromagnetic coil is
It is wrapped in every reaction tube both ends in certain direction.
3. being used for the device of liquid organic hydride dehydrogenation as described in claim 1, which is characterized in that the reaction tube is can
The metal circular tube of magnetization and demagnetization.
4. as described in claim 1 be used for liquid organic hydride dehydrogenation device, which is characterized in that the reaction tube it is straight
Diameter is between 25 millimeters and 50 millimeters.
5. being used for the device of liquid organic hydride dehydrogenation as described in claim 1, which is characterized in that the reaction tube is uniform
It is arranged in described device.
6. being used for the device of liquid organic hydride dehydrogenation as described in claim 1, which is characterized in that the reaction tube is built-in
There is circulation thermal medium to provide heat for reaction.
7. being used for the device of liquid organic hydride dehydrogenation as described in claim 1, which is characterized in that the liquid distribution trough
Above the reaction tube.
8. being used for the device of liquid organic hydride dehydrogenation as described in claim 1, which is characterized in that the middle part of the shell
Both ends for a cylindrical cylinder, the cylinder are separately connected a hemispheric end.
9. as claimed in claim 8 be used for liquid organic hydride dehydrogenation device, which is characterized in that the cylinder with it is described
It is welded with tablet between end, is used to fix the reaction tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611061654.0A CN106698339B (en) | 2016-11-25 | 2016-11-25 | A kind of device for liquid organic hydride dehydrogenation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611061654.0A CN106698339B (en) | 2016-11-25 | 2016-11-25 | A kind of device for liquid organic hydride dehydrogenation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106698339A CN106698339A (en) | 2017-05-24 |
| CN106698339B true CN106698339B (en) | 2018-10-09 |
Family
ID=58933859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611061654.0A Active CN106698339B (en) | 2016-11-25 | 2016-11-25 | A kind of device for liquid organic hydride dehydrogenation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106698339B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107827222A (en) * | 2017-12-15 | 2018-03-23 | 王黎明 | A kind of sewage water treatment method and equipment of magnetic three-phase Fenton reactor |
| CN108854929A (en) * | 2018-07-25 | 2018-11-23 | 北京国能中林科技开发有限公司 | A kind of falling film reactor of the dehydrogenation reaction suitable for liquid hydrogen source material |
| CN110282600A (en) * | 2019-06-20 | 2019-09-27 | 云南电网有限责任公司电力科学研究院 | A kind of dehydrogenation unit based on hydrogen catalytic combustion heating |
| JP2021155273A (en) * | 2020-03-27 | 2021-10-07 | Ｅｎｅｏｓ株式会社 | Hydrogen supply system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003299947A (en) * | 2002-04-08 | 2003-10-21 | Japan Steel Works Ltd:The | Hydrogenation apparatus and method using the same |
| JP2003306302A (en) * | 2002-04-10 | 2003-10-28 | Sekisui Chem Co Ltd | Hydrogen generator, hydrogen storage/supply apparatus and method for generating hydrogen |
| CN101862656A (en) * | 2010-07-02 | 2010-10-20 | 北京化工大学 | Loaded nano-copper magnetic catalyst used for catalysis of solution of formaldehyde for preparing hydrogen and preparation method thereof |
| CN104310308B (en) * | 2014-09-19 | 2016-03-16 | 金景达(北京)环保热力科技有限公司 | A kind of Multi-function methanol cracking hydrogen production equipment |
| CN104310309B (en) * | 2014-10-20 | 2016-08-24 | 浙江大学 | A kind of method and device of the catalyzing manufacturing of hydrogen being applicable to hydrogen energy automobile |
-
2016
- 2016-11-25 CN CN201611061654.0A patent/CN106698339B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106698339A (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106698339B (en) | A kind of device for liquid organic hydride dehydrogenation | |
| CN204247177U (en) | A kind of thermal insulation-isothermal methanation reactor | |
| SA518400317B1 (en) | Induction Heated Reactor | |
| RU2010126229A (en) | IMPROVEMENT OF EFFECTIVENESS OF PRODUCING AMMONIA | |
| CN106610024A (en) | Waste gas treatment device for enamelling machine | |
| CN205599123U (en) | Utilize id reaction heat to add synthesis reactor of hot feed medium | |
| CN105833802B (en) | Steam ascending manner catalytic bed reactor | |
| CN210103451U (en) | Miniature methane reforming hydrogen production device | |
| CN104310309A (en) | Catalytic hydrogen production method and device suitable for hydrogen energy automobile | |
| CN203764267U (en) | Tube type micro-channel fixed bed reactor with two-sided heat exchange in circular channel with great flux | |
| CN213050628U (en) | Upper pipe plate spraying and cooling structure of hydrocyanic acid reactor | |
| CN103801249B (en) | Two-sided heat exchange large flux microchannel, shell and tube circular passage fixed bed reactors | |
| CN101491752B (en) | Endothermic reaction method | |
| CN201776133U (en) | Improved low-carbon hydrocarbon aromatization reactor | |
| CN205146185U (en) | Light catalytic reduction CO2 fixed bed reaction unit | |
| CN102311096B (en) | Method for deeply removing CO and CO2 in ethylene and synthesis ammonia process | |
| JP3780989B2 (en) | Deodorizer | |
| CN212595613U (en) | Fixed bed self-heating baffling reactor for eliminating hydrogen | |
| CN204643832U (en) | A kind of small-sized methanol oxidation device for producing hydrogen | |
| CN201662199U (en) | Pipeline electromagnetic heater | |
| CN211283718U (en) | Self-heating methanol reforming hydrogen production equipment | |
| CN209254707U (en) | Move radially bed reaction device | |
| CN107398237A (en) | A kind of cold shock formula reactor | |
| CN202610148U (en) | Carbon 5 monoolefine modified pentadiene petroleum resin reactor | |
| CN205700479U (en) | Steam ascending manner radial flow reactors |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |