CN106698339A - Device for dehydrogenating liquid organic hydride - Google Patents
Device for dehydrogenating liquid organic hydride Download PDFInfo
- Publication number
- CN106698339A CN106698339A CN201611061654.0A CN201611061654A CN106698339A CN 106698339 A CN106698339 A CN 106698339A CN 201611061654 A CN201611061654 A CN 201611061654A CN 106698339 A CN106698339 A CN 106698339A
- Authority
- CN
- China
- Prior art keywords
- reaction tube
- organic hydride
- reaction
- liquid
- liquid organic
- 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.)
- Granted
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
Abstract
The invention discloses a device for dehydrogenating liquid organic hydride. The device is composed of a shell, a liquid distributor, reaction tubes, electromagnetic coils, and a fluid inlet/outlet adapter tube; the reaction tubes are evenly arranged in the device, a thermal medium flowing in each tube provides heat for reaction; the electromagnetic coil is an electrified coil wound on two ends of each reaction tube according to a certain direction, each reaction tube can be magnetized after the electronic coil is electrified; a catalyst is adsorbed to the outer side of the tube, and an organic hydride thin liquid film is formed to generate the dehydrogenation reaction. Compared with the prior art, the device disclosed by the invention has the following advantages that the filling and replacing of the catalyst are extremely simple and convenient by performing power on/power off operation on the electromagnetic coils, and the continuous production requirement can be satisfied.
Description
Technical field
The present invention relates to a kind of utilization liquid organic hydride and the reaction unit of 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, plays the role of irreplaceable, organic hydride in the energy, chemical industry, medicine and other fields
Thing dehydrogenation is a kind of important means for producing 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, critical role is occupied in the industry.At present, dehydrogenation in industry
Reaction can be divided into two classes, gas phase and liquid phase reactor.Gas phase reaction is typically carried out in fixed bed catalytic reactor, reaction conversion ratio
Height, but it is higher to there is reaction temperature, power consumption is high, and accessory substance is more and the problems such as catalyst easy in inactivation.Dehydrogenation in liquid phase can be in fixed bed
Or tank reactor and carried out compared with 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, 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 with intermittent mode spray to catalyst
Surface, forms thin liquid film and dehydrogenation reaction occurs, and reacts the condensed rear available purer hydrogen of the gas for producing.The method is led to
Cross certain frequency to be input into reactant, catalyst surface is presented the state of alternation of wetting and drying in the presence of electrical heating, be conducive to anti-
Answer product to depart from catalyst surface rapidly, solve dehydrogenation in liquid phase and react because conversion ratio is relatively low caused by the inhibition of product
Problem, it is ensured that compared with low reaction temperatures also have reaction conversion ratio higher.
The content of the invention
(1) technical problem to be solved
The invention provides a kind of device for liquid organic hydride dehydrogenation, it can improve and is catalyzed when being operated
Agent filling changes very easy, meets the demand of continuous prodution, and heating, can using heat resources such as factory's used heat, waste heats
The effectively save energy
(2) technical scheme
In order to overcome drawbacks described above, the invention provides a kind of device 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 also includes magnet coil, and it is fixed on the reaction tube two ends, for magnetizing the reaction tube, with
Make to have magnetic catalyst with due on the reaction tube outer surface.
According to described in one embodiment of the invention, the magnet 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 magnet coil is to be wrapped in every reaction tube two ends in certain direction；
According to one embodiment of the invention, the magnet coil is the magnet 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, the reaction tube is built with circulation thermal medium for reaction provides heat；
According to one embodiment of the invention, the liquid distribution trough is located at reaction tube top；
According to one embodiment of the invention, the middle part of the housing is the cylinder of cylinder, the two ends difference of the cylinder
One hemispheric end of connection；
According to one embodiment of the invention, flat board is welded between the cylinder and the end, it is used for fixed described
Reaction tube.
(3) beneficial effect
Electromagnetic method fixed catalyst is used in the present invention, is changed very by the electrically operated filling for causing catalyst of break-make
Simplicity, can meet the requirement of continuous prodution, and in the form of horizontal tube falling film, low temperature heat energy acts directly on catalysis in pipe
Agent and reaction-ure surface, greatly improved overall heat-transfer coefficient, increased the utilization ratio of heat, using factory's used heat, waste heat etc.
Heat resource, produces high-grade Hydrogen Energy, the effectively save energy of the energy.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the present of invention；
Fig. 2 is the flow chart that hydrogen is prepared using device of the invention.
Specific embodiment
Device for liquid organic hydride dehydrogenation of the invention has housing, reaction tube, liquid distribution trough and electromagnetism
Coil.The housing as liquid organic hydride dehydrogenation reaction vessel.The reaction tube is used to heat liquid organic hydride
Thing, is allowed to carry out dehydrogenation reaction in reaction pipe surface.Heat source medium can be passed through in the reaction tube, heat is provided with for hydrogenation
Amount.The reaction tube is preferably and is 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
Elect pipe as, but be 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 at reaction tube top.
The present invention proposes that in reaction tube two ends Motionless electromagnetic coil it is used to magnetize the reaction tube, so as to will have
The catalyst of magnetic is fixed on the reaction tube outer surface.Using electromagnetic field magnetizable metal and adsorb the original of magnetic catalyst
Reason, may be such that dehydrogenation is very easily loaded into reactor, significantly save Catalyst packing cost.
Preferably, the magnet coil is to be wrapped in every reaction tube two ends, thus, the electromagnetism after energization in certain direction
Coil can produce the magnetic field of equidirectional and magnetize reaction tube.
It is the magnet coil that can carry out control system of switching on or off electricity that the magnet coil is preferably, to produce magnetic field to make reaction tube
Rapid magnetization and demagnetization, facilitate magnetic catalyst toward the absorption and disengaging on reaction tube.Magnet 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 electricity supply.
To make the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in further detail.
Fig. 1 is the structural representation of one embodiment of the device for fluid organic material dehydrogenation of the invention.Such as Fig. 1 institutes
Show, the device includes housing 1, liquid distribution trough 2, reaction tube 3, magnet coil 4, catalyst feeds 5, gas blow valve port 6, heat
The outlet 8, reaction-ure inlet 9 of source medium inlet 7, heat source medium, gas vent 10 and liquid outlet 11.
The middle part of the housing 1 is a cylinder for cylinder, and it is hemispheric that the both sides of cylinder connect an evagination respectively
End, is welded with porous flat board, a pair of quantity and size and the reaction tube 3 one in its hole between cylinder and two ends
Should.The housing 1 is used to fix the liquid distribution trough 2 and the reaction tube 3, while connecting heat source medium entrance 7 and thermal source
Media outlet 8, the material of the housing 1 is generally stainless steel, enamel etc..
The reaction tube 3 is the soft iron pipe of 25 to 50 millimeters of diameter, and the two ends of reaction tube 3 are separately fixed at the cylinder of housing
On two holes of flat board between body and end.Its reaction tube 3 is used for surface fixed catalyst and dehydrogenation reaction, internal circulation occurs
Heat source medium.
The liquid distribution trough 2 is the liquid distribution device positioned at the top of reaction tube 3, can be shower nozzle type, sieve mesh type etc., its
For organic hydride liquid to be evenly distributed into reaction tube 3.
The outside of the reaction tube 3 is fixed with magnet coil 4.In this embodiment, the magnet coil 4 is by certain side
To the every enamel covered wire of the two ends external power supply of reaction tube 3 is wrapped in, 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 housing 1, and it is 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 housing 1, and it 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 housing 1, and it is used to connect heat source medium charging
Pipe, with to being input into heat source medium in reaction tube providing heat.
The heat source medium outlet 8 is the opening in the domed ends of housing 1, and it is used to connect heat source medium discharging
Pipe, so as to heat source medium outflow in reaction tube 3.
The reaction-ure inlet 9 is the opening on the cylinder of housing 1, and lower end is connected with the liquid distribution trough 2, thereon
End connection feed pipe, for by liquid organic hydride injection device；
The gas vent 10 is that, toward the opening on the cylinder of housing 1, it is used to connect discharge nozzle, will react the hydrogen for producing
Gas exports to device outside.
The liquid outlet 11 is that, in the opening of the cylinder lower end of housing 1, it is used to connect discharge nozzle, will be reacted remaining
Liquid material exports to device outside.
Fig. 2 is the flow chart that hydrogen is prepared using the device of the above embodiment of the present invention, is comprised the following steps that：
S1：By fresh raney ni catalysis agent concentration for 10-30g/L absolute ethyl alcohol suspension by the note of catalyst feeds 5
Enter submergence reaction tube 3 in device, magnet coil 4 is powered and magnetizes reaction tube 3, catalyst is fixed on the outer surface of reaction tube 3, quiet
Remaining ethanol liquid is discharged after putting 10 minutes.
S2：From gas blow valve port 6 to nitrogen is passed through in device, under nitrogen protection from thermal source inlet 7 to being led in reaction tube 3
Enter hot fluid heats catalyst, remove surface absolute ethyl alcohol in Raney's nickel, logical nitrogen is stopped after 20 minutes.
S3：After catalyst temperature is warmed up to suitable desorption temperature, liquid organic hydride is by reaction-ure inlet 9 and liquid
Body distributor 2 sprays the surface of the catalyst to reaction tube 3, forms fluid film and dehydrogenation reaction occurs, and the liquid is organic
Hydride can be from isopropanol, cyclohexanol and hexamethylene etc..
S4：The gas that dehydrogenation reaction is produced in S3 flows out through gas vent 10, and unreacted liquid can be by liquid outlet 11
Discharge, separated rear available purer hydrogen.
After long-time catalysts inactivation, after can magnet coil 4 be powered off, reacted thing import 9 and liquid distribution trough 2
Aqueous water is sprayed into, catalyst is removed from the surface of reaction tube 3 and reactor is discharged, repeat step S1-S4.
Particular embodiments described above, has been carried out further in detail to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail bright, it should be understood that the foregoing is only specific embodiment of the invention, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements done etc. should be included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of device for liquid organic hydride dehydrogenation, including body of light, 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 also includes magnet coil, and it is fixed on the reaction tube two ends, for magnetizing the reaction tube, so that will
Have magnetic catalyst to be fixed on the reaction tube outer surface.
2. the as claimed in claim 1 device for being used for liquid organic hydride dehydrogenation, it is characterised in that the magnet coil is
Every reaction tube two ends are wrapped in certain direction.
3. the as claimed in claim 1 device for being used for liquid organic hydride dehydrogenation, it is characterised in that the magnet coil is
The magnet coil of control system of switching on or off electricity can be carried out.
4. the device of liquid organic hydride dehydrogenation is used for as claimed in claim 1, it is characterised in that the reaction tube is can
Magnetization and the metal circular tube of demagnetization.
5. the as claimed in claim 1 device for being used for liquid organic hydride dehydrogenation, it is characterised in that the reaction tube it is straight
Footpath is between 25 millimeters and 50 millimeters.
6. the device of liquid organic hydride dehydrogenation is used for as claimed in claim 1, it is characterised in that the reaction tube is uniform
It is arranged in described device.
7. the device of liquid organic hydride dehydrogenation is used for as claimed in claim 1, it is characterised in that the reaction tube is built-in
There is circulation thermal medium to provide heat for reaction.
8. the device of liquid organic hydride dehydrogenation is used for as claimed in claim 1, it is characterised in that the liquid distribution trough
Positioned at reaction tube top.
9. the device of liquid organic hydride dehydrogenation is used for as claimed in claim 1, it is characterised in that the middle part of the housing
It is a cylinder for cylinder, the two ends of the cylinder connect a hemispheric end respectively.
10. the device of liquid organic hydride dehydrogenation is used for as claimed in claim 9, it is characterised in that the cylinder and institute
State and be welded with flat board between end, it 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 true CN106698339A (en) | 2017-05-24 |
| CN106698339B 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) |
Cited By (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 |
| CN115335321A (en) * | 2020-03-27 | 2022-11-11 | 引能仕株式会社 | Hydrogen supply system |
Citations (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 |
| CN104310309A (en) * | 2014-10-20 | 2015-01-28 | 浙江大学 | Catalytic hydrogen production method and device suitable for hydrogen energy automobile |
| CN104310308A (en) * | 2014-09-19 | 2015-01-28 | 金景达(北京)环保热力科技有限公司 | Multifunctional methanol splitting decomposition hydrogen production device |
-
2016
- 2016-11-25 CN CN201611061654.0A patent/CN106698339B/en active Active
Patent Citations (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 |
| CN104310308A (en) * | 2014-09-19 | 2015-01-28 | 金景达(北京)环保热力科技有限公司 | Multifunctional methanol splitting decomposition hydrogen production device |
| CN104310309A (en) * | 2014-10-20 | 2015-01-28 | 浙江大学 | Catalytic hydrogen production method and device suitable for hydrogen energy automobile |
Cited By (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 |
| CN115335321A (en) * | 2020-03-27 | 2022-11-11 | 引能仕株式会社 | Hydrogen supply system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106698339B (en) | 2018-10-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106698339B (en) | A kind of device for liquid organic hydride dehydrogenation | |
| SA518400317B1 (en) | Induction Heated Reactor | |
| CN201348462Y (en) | Film distributor for vertical tube falling film absorber | |
| CN205261505U (en) | High frequency hot water, dual -purpose generator of vapour | |
| CN107467481A (en) | Energy-saving high-frequency impulse magnetic field sterilizing equipment and its process for sterilizing | |
| CN201008786Y (en) | Fixed bed reactor for producing by benzene method capable of producing 20,000 tons per year | |
| CN213050628U (en) | Upper pipe plate spraying and cooling structure of hydrocyanic acid reactor | |
| CN201463308U (en) | Instantaneous solar water heater with non-pressure hot water storage and pressure hot water supply functions | |
| CN203764267U (en) | Tube type micro-channel fixed bed reactor with two-sided heat exchange in circular channel with great flux | |
| CN204342435U (en) | The hydrogenation fluidized-bed reactor of anthraquinone legal system hydrogen peroxide | |
| CN201776133U (en) | Improved low-carbon hydrocarbon aromatization reactor | |
| CN201514028U (en) | Novel high-frequency electromagnetic heating furnace | |
| CN205146185U (en) | Light catalytic reduction CO2 fixed bed reaction unit | |
| CN103801249A (en) | Tubular type annular channel double-sided heat-exchange large-flux microchannel fixed bed reactor | |
| CN216136390U (en) | Nanometer atomizing device for low-temperature plasma activated water disinfection | |
| CN215489979U (en) | Electric heating system of variable-frequency electromagnetic boiler | |
| CN201662199U (en) | Pipeline electromagnetic heater | |
| CN202893353U (en) | Reaction kettle | |
| CN201412965Y (en) | Graphite carbon fiber electric heater | |
| CN201510870U (en) | Single pump circulation multitubular fixed bed reactor | |
| CN210103451U (en) | Miniature methane reforming hydrogen production device | |
| CN2903777Y (en) | Electromagnetic liquid heating apparatus | |
| CN204643832U (en) | A kind of small-sized methanol oxidation device for producing hydrogen | |
| CN202719745U (en) | Rapid heating energy-saving heater of electric water heater | |
| CN104190329B (en) | A kind of Double-jacketed fixed bed 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 |