CN206730862U - A kind of photo catalytic reduction CO2Reactor - Google Patents
A kind of photo catalytic reduction CO2Reactor Download PDFInfo
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- CN206730862U CN206730862U CN201720447235.4U CN201720447235U CN206730862U CN 206730862 U CN206730862 U CN 206730862U CN 201720447235 U CN201720447235 U CN 201720447235U CN 206730862 U CN206730862 U CN 206730862U
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- catalytic reduction
- reaction tube
- photo catalytic
- heating
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- 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
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
Abstract
The utility model belongs to carbon dioxide capture relevant device field, and discloses a kind of photo catalytic reduction CO2Reactor, it is in cylindrical structure that it is overall, and include the zone of heating in hollow cylinder, the reflector layer being attached on zone of heating inwall successively from outside to inside, and coaxial extension is arranged on the reaction tube and light source inside zone of heating, wherein reaction tube extends in the shape of a spiral around light source, and its head and the tail both ends has material inlet and material outlet respectively, inwall has photochemical catalyst, is consequently for the CO of question response2Hollow pipe fitting inside through thus reaction tube keeps conveying with spiraling and synchronous reaction.By the utility model, suitable in a manner of high-specific surface area and high reaction efficiency by CO2Be converted into hydrocarbon, be provided simultaneously with it is compact-sized, be easy to manipulation the characteristics of.
Description
Technical field
The utility model belongs to carbon dioxide capture relevant device field, more particularly, to a kind of photo catalytic reduction CO2
Reactor, it is suitable to CO in a manner of high-specific surface area and high reaction efficiency2Hydrocarbon is converted into, is provided simultaneously with tying
Structure is compact, is easy to the characteristics of manipulation.
Background technology
In recent years, a large amount of greenhouse gases such as CO2Discharge caused by greenhouse effects turn into global concern focus, and the mankind
CO in air caused by production activity2The increase of concentration also accelerates influence of the greenhouse effects to global climate.How effectively
Reduce CO2Concentration turns into emphasis of concern.
Using the method for photo catalytic reduction by CO2It is a kind of emission reduction for having much potentiality and while profit to be converted into hydrocarbon
Use CO2Effective way., using semi-conducting material as catalyst, the illumination that semiconductor energy gap is higher than when energy is mapped to for it
During catalyst surface, electronics that will be in vitalizing semiconductor transits to conduction band from valence band, is formed empty with very strongly active electronics
Cave pair so that CO2Reduction reaction carried out.This method energy consumption is low, cost is low, pollution-free, is reducing CO2While discharge
Also achieve CO2Recycling.
Some photo catalytic reductions CO has been proposed in the prior art2Reactor.For example, CN201610159514.0 is disclosed
A kind of photocatalysis carbon dioxide reaction device, wherein reactor is made up of two symmetrical main bodys, and passes through clamping device
It is interconnected and fixed；And for example, WO2011086402 discloses a kind of facilities and equipments for reducing carbon dioxide, wherein anti-using closing
Container is answered to perform processing procedure.However, further investigations have shown that, these above-mentioned consersion units may include that suspension reacts
The types such as device, conventional fixed bed reactors, but have that catalyst light utilization efficiency is low, specific surface area is small to some extent etc. and lack
Point, and directly influence final light-catalyzed reaction efficiency and quality.Correspondingly, this area need badly this is made it is further complete
It is kind, preferably to meet high-volume scale photo catalytic reduction CO2Application demand.
Utility model content
A kind of photo catalytic reduction CO is provided for more than prior art deficiency or Improvement requirement, the utility model2Instead
Device is answered, wherein by fully combining CO2The process characteristic of photo catalytic reduction reaction performs targeted design, and to its crucial group
The concrete structure of part and its specific set-up mode make improvements, and accordingly can not only significantly extend reactant compared with prior art
Residence time, be advantageous to fully contacting between catalyst, and the ratio surface of photochemical catalyst can also be significantly greatly increased simultaneously
Product and bearing capacity, and possess and be easy to manipulate, react the features such as abundant and compact-sized, and then can realize highly efficient and high-quality
Photo catalytic reduction processing procedure, be therefore particularly suitable for industrialize large-scale application occasion.
To achieve the above object, according to the utility model, there is provided a kind of photo catalytic reduction CO2Reactor, its feature exist
In photo catalytic reduction CO2Reactor is in integrally cylindrical structure, and includes zone of heating, reflector layer, anti-successively from outside to inside
It should manage and light source, wherein：
The zone of heating is in the form of hollow cylinder, for for whole photo catalytic reduction CO2The inside of reactor provides
And the temperature needed for keeping；The reflector layer is attached on the inwall of the zone of heating, and for the light that the light source is launched to be held
Row multiple reflections；
The light source is in shaft-like and keeps extending coaxially into setting with the zone of heating, is performed for providing light radiation
Light-catalyzed reaction；
The reaction tube extends through the whole heating in the shape of a spiral in the form of hollow pipe fitting, and around the light source
Layer；In addition, the head and the tail both ends of the reaction tube have material inlet and material outlet respectively, and its inwall has photochemical catalyst, by
This is used for the CO of question response2Hollow pipe fitting inside through thus reaction tube keeps conveying with spiraling and synchronous reaction.
As it is further preferred that the light source is long arc fluorescent tube, and its length is 1m.
As it is further preferred that the length of the reaction tube is preferably 3m, its external diameter and internal diameter are preferably designed respectively
For 2cm~3.5cm and 1.5cm~3cm.
As it is further preferred that the spiral number of turns of the reaction tube are preferably 10~15, and its radius of gyration is preferred
For 6cm~8cm.
As it is further preferred that the photochemical catalyst for being attached to the reaction tube is preferably TiO2Catalyst.
As it is further preferred that the reflector layer is preferably aluminium foil layer, and its thickness is 2mm~3mm.
In general, by the contemplated above technical scheme of the utility model compared with prior art, mainly possess with
Under technological merit：
1st, by whole reactor is arranged into cylindrical configuration and to the set-up mode progress of its internal components
Design, is particularly adjusted to helical form hollow pipe fitting to surround light source all the time reaction tube, while be disposed with reflector layer and heating
It layer, so on the one hand can significantly extend residence time of the reactant in reaction tube, while increase the ratio surface of photochemical catalyst
Product, is advantageous to fully contacting between reactant and catalyst；On the other hand also by allowing light in relatively narrow and small closing
Constantly reflected in space, light utilization efficiency can accordingly be greatly improved, can played for the efficiency and quality for promoting photo catalytic reduction
It is obvious to promote；
2nd, according to novel reactor of the present utility model by the way that zone of heating directly to be wrapped to core reaction part, be easy to from
Outside more effectively controlling reaction temperature；In addition, the reactor overall structure is more compact, it is not necessary to which other complexity are bulky
Auxiliary device, it is provided simultaneously with being easy to manipulate, reacts the features such as abundant, enter to be therefore particularly suitable for CO2Perform the big rule of industrialization
The application scenario of mould photo catalytic reduction.
Brief description of the drawings
Fig. 1 is according to the photo catalytic reduction CO constructed by the utility model2The overall structure diagram of reactor；
Fig. 2 is to be used to more specifically show photo catalytic reduction CO2The schematic diagram of the inside composition construction of reactor；
In all of the figs, identical reference is used for representing identical element or structure, wherein：
1- zone of heating 2- reflector layer 3- reaction tube 4- light sources
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.In addition, institute in each embodiment of the utility model disclosed below
As long as the technical characteristic being related to does not form conflict each other, can is mutually combined.
Fig. 1 is according to the photo catalytic reduction CO constructed by the utility model2The overall structure diagram of reactor, Fig. 2 are
For more specifically showing photo catalytic reduction CO2The schematic diagram of the inside composition construction of reactor.As depicted in figs. 1 and 2,
Photo catalytic reduction CO2Reactor is in integrally cylindrical structure, and includes zone of heating 1, reflector layer 2, anti-successively from outside to inside
Should pipe 3 and the grade building block of light source 4, explanation will be explained in detail one by one to these building blocks below.
Zone of heating 1 is designed in the form of hollow cylinder, for for whole photo catalytic reduction CO2The inside of reactor
Temperature needed for providing and keeping；Reflector layer 2 can for example use aluminium foil, and be directly attached on the inwall of the zone of heating 1, and be used for
The light that the light source 4 put into inside it is launched performs multiple reflections.
Light source 4 is designed to the form of bar-like light source, is for example ultraviolet long arc fluorescent tube, it is protected with the zone of heating 1
Hold and extend coaxially into setting, light-catalyzed reaction is performed for providing light radiation
Reaction tube 3 extends through whole zone of heating 1 in the shape of a spiral around light source 4 all the time in the form of hollow pipe fitting
It is internal；In addition, the head and the tail both ends of the reaction tube 3 have material inlet and material outlet respectively, and its inwall is with for example dioxy
Change the photochemical catalyst of titanium, be consequently for the CO of question response2Keep conveying with spiraling inside hollow pipe fitting through thus reaction tube
And synchronous reaction；In this way, it on the one hand can significantly extend residence time of the reactant in reaction tube, while increase light and urge
The specific surface area of agent, be advantageous to fully contacting between reactant and catalyst；On the other hand also by allowing light in a phase
To constantly being reflected in the space of narrow and small closing, light utilization efficiency can accordingly be greatly improved, for promote photo catalytic reduction efficiency and
Quality can play obvious promotion.
Main function is played in the utility model in view of the reaction tube of spiral hollow tubular structure, its key is tied below
Structure parameter makes further research and design.
According to a preferred embodiment of the present utility model, the external diameter and internal diameter of the reaction tube are preferably designed to respectively
2cm~3.5cm and 1.5cm~3cm.In addition, the spiral number of turns of the reaction tube are preferably 10~15, and its radius of gyration is excellent
Elect 6cm~8cm as.More test shows that above-mentioned performance parameter can directly influence final obtainable reaction efficiency and matter
Amount, therefore equally constitute the technological improvement place that the present invention is paid close attention to.
In addition, improvement also is made to the mode of loaded optic catalyst in reaction tube in the utility model.Specifically, it is first
First can by powdered photochemical catalyst (such as titanium dioxide and ethanol according to 237mg~450mg：30ml charge ratio is carried out
It is sufficiently mixed, and uses the mode 30 minutes to 1 hour that magnetic stirs and be prepared into mass percent as 1%~3% suspension
Afterwards, the suspension is passed through in spiral reaction tube, and is continually fed into reaction tube air 10 hours to remove solvent, thus made
One layer of photocatalyst film is obtained to be able to uniformly be attached on the inwall of reaction tube.
To sum up, according to photo catalytic reduction CO of the present utility model2The light utilization efficiency of reactor is high, specific surface area of catalyst
Greatly, and energy consumption is low, cost is low, easy to use, is therefore particularly suitable for CO2Perform and industrialize extensive photo catalytic reduction
Application scenario.
As it will be easily appreciated by one skilled in the art that preferred embodiment of the present utility model is the foregoing is only, not
To limit the utility model, any modification of all made within spirit of the present utility model and principle, equivalent substitution and change
Enter, should be included within the scope of protection of the utility model.
Claims (5)
- A kind of 1. photo catalytic reduction CO2Reactor, it is characterised in that photo catalytic reduction CO2Reactor is in integrally cylinder knot Structure, and include zone of heating (1), reflector layer (2), reaction tube (3) and light source (4) successively from outside to inside, wherein：The zone of heating (1) is in the form of hollow cylinder, for for whole photo catalytic reduction CO2The inside of reactor provide and Temperature needed for keeping；The reflector layer (2) is attached on the inwall of the zone of heating (1), and for the light source (4) to be launched Light perform multiple reflections；The light source (4) is in shaft-like and keeps extending coaxially into setting with the zone of heating (1), is held for providing light radiation Row light-catalyzed reaction；The reaction tube (3) extends through entirely described add in the shape of a spiral in the form of hollow pipe fitting, and around the light source (4) Thermosphere；In addition, the head and the tail both ends of the reaction tube (3) have material inlet and material outlet respectively, and its inwall has photocatalysis Agent, it is consequently for the CO of question response2Hollow pipe fitting inside through thus reaction tube keeps conveying with spiraling and synchronous reaction.
- A kind of 2. photo catalytic reduction CO as claimed in claim 12Reactor, it is characterised in that the light source (4) is long arc lamp Pipe, and its length is 1m.
- 3. a kind of photo catalytic reduction CO2 reactors as claimed in claim 1 or 2, it is characterised in that the reaction tube (3) Length is 3m, and its external diameter and internal diameter are respectively 2cm~3cm and 1.5cm~3cm.
- A kind of 4. photo catalytic reduction CO2 reactors as claimed in claim 3, it is characterised in that the spiral of the reaction tube (3) The number of turns is 10~15, and its radius of gyration is 6cm~8cm.
- 5. a kind of photo catalytic reduction CO2 reactors as claimed in claim 4, it is characterised in that the reflector layer (2) is aluminium foil Layer, and its thickness is 2mm~3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720447235.4U CN206730862U (en) | 2017-04-26 | 2017-04-26 | A kind of photo catalytic reduction CO2Reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720447235.4U CN206730862U (en) | 2017-04-26 | 2017-04-26 | A kind of photo catalytic reduction CO2Reactor |
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| CN206730862U true CN206730862U (en) | 2017-12-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744966A (en) * | 2018-08-31 | 2018-11-06 | 西安科技大学 | A kind of photocatalysis coupled reaction unit of collecting carbonic anhydride-and its application method |
| CN109847579A (en) * | 2019-04-18 | 2019-06-07 | 北京北大明德科技发展有限公司 | A kind of smell photocatalysis purifier |
| CN111905673A (en) * | 2020-08-08 | 2020-11-10 | 哈尔滨学院 | Photocatalytic reduction of CO2Reactor with a reactor shell |
-
2017
- 2017-04-26 CN CN201720447235.4U patent/CN206730862U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744966A (en) * | 2018-08-31 | 2018-11-06 | 西安科技大学 | A kind of photocatalysis coupled reaction unit of collecting carbonic anhydride-and its application method |
| CN108744966B (en) * | 2018-08-31 | 2023-07-25 | 西安科技大学 | Carbon dioxide capturing-photocatalysis coupling reaction device and application method thereof |
| CN109847579A (en) * | 2019-04-18 | 2019-06-07 | 北京北大明德科技发展有限公司 | A kind of smell photocatalysis purifier |
| CN111905673A (en) * | 2020-08-08 | 2020-11-10 | 哈尔滨学院 | Photocatalytic reduction of CO2Reactor with a reactor shell |
| CN111905673B (en) * | 2020-08-08 | 2021-03-23 | 哈尔滨学院 | Photocatalytic reduction of CO2Reactor with a reactor shell |
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