CN206002493U - A kind of properties of catalyst evaluating apparatus - Google Patents
A kind of properties of catalyst evaluating apparatus Download PDFInfo
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- CN206002493U CN206002493U CN201620946296.0U CN201620946296U CN206002493U CN 206002493 U CN206002493 U CN 206002493U CN 201620946296 U CN201620946296 U CN 201620946296U CN 206002493 U CN206002493 U CN 206002493U
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- gas
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Abstract
The utility model discloses a kind of properties of catalyst evaluating apparatus, including analysis system, response system, caisson；Described response system includes a camera bellows and is placed in the light source in camera bellows and multiple reaction tank；Described light source is secured to camera bellows top and is in be oppositely arranged with reaction tank；Described reaction tank is provided with air inlet pipe and escape pipe；Described caisson is connected in pipeline with the air inlet pipe of multiple reaction tanks and analysis system by multiple-way valve, and the escape pipe of described reaction tank is connected by pipeline with analysis system；Wherein gas has respectively entered reaction tank and analysis system from caisson, enters into analysis system through escape pipe after light-catalyzed reaction；This utility model is provided with multiple reaction tanks, multiple photocatalysts can be carried out with performance evaluation, high working efficiency simultaneously, experimental data is reliable, and gas tightness is good, and this utility model optimizes light-catalyzed reaction system, applied widely.
Description
Technical field
This utility model is related to field at photocatalysis and in particular to a kind of properties of catalyst evaluating apparatus.
Background technology
With the continuous development of photocatalyst and the continuous improvement of photocatalysis performance, photocatalysis technology air cleaning,
The fields such as oil stain decomposition, water process receive scientific research technical staff and widely pay close attention to, especially photocatalysis treatment contamination gas aspect.
And in the R＆D process of photocatalyst, generally requiring the catalyst to a certain determination carries out various quantitative scientific researches, from
And find the optimal conditions of catalyst or find in it reaction rule；Traditional experimental provision is due to all only using one
Reactor, can only evaluate to a kind of photocatalyst every time, carry out activity to multiple catalysts under therefore same reaction system
Comparative evaluation or when being optimized reaction condition to certain catalyst, conventional efficient can be very low；Additionally, existing catalyst
Evaluating apparatus, carry out off-line analysiss detection using timing extraction gas so that error increases, data is unreliable；And it is current anti-
Answer device, due to limited volume, if air-flow is excessive, lid can be backed down, lead to reacting gas to spill.
Utility model content
The purpose of this utility model is to solve the problems of the prior art, provides a kind of properties of catalyst evaluation dress
Put, it is provided with multiple reaction tanks, multiple photocatalysts can be carried out with performance evaluation, high working efficiency, experimental data is reliable simultaneously,
And gas tightness is good, this utility model optimizes light-catalyzed reaction system, applied widely.
For reaching above-mentioned purpose, this utility model adopts the following technical scheme that：
A kind of properties of catalyst evaluating apparatus, including analysis system, response system, caisson；Described response system
Including a camera bellows and be placed in the light source in camera bellows and multiple reaction tank；Described light source is secured to camera bellows top and with reaction tank is in
It is oppositely arranged；Described reaction tank is provided with air inlet pipe and escape pipe；Described caisson passes through entering of multiple-way valve and multiple reaction tanks
Trachea and analysis system are in that pipeline connects, and the escape pipe of described reaction tank is connected by pipeline with analysis system；Wherein gas from
Caisson has respectively entered reaction tank and analysis system, enters into analysis system through escape pipe after light-catalyzed reaction.
Further, described caisson includes gas mixer, the first reactant gas source and the second reactant gas source, described gas
Body blender is connected with the first reactant gas source and the second reactant gas source pipeline respectively, so that the first reactant gas source and the second reaction gas
The reaction gas mixing in source.
Further, described caisson also includes first flow controller, and this first flow controller is secured to first
Between reactant gas source and gas mixer, between the second reactant gas source and gas mixer, to adjust the flow of each reaction gas.
Further, described response system includes second flow controller, this second flow controller be secured to described in enter
Between trachea and caisson, to adjust the mixed flow of reaction gas.
Further, described response system also includes elevating mechanism, described elevating mechanism located at reaction tank bottom, to adjust
Reaction tank and the distance of light source.
Further, described light source be tubular type light source, using uviol lamp, mercury lamp or xenon lamp, described light source independent control and
The parallel top located at camera bellows.
Further, described reaction tank includes reaction tank body, euphotic cover plate, fixation kit, sample panel；Described reaction tank
Body includes the cavity of a upper end open, and the side wall of described cavity offers at least one air inlet, and on the other side at least
One venthole, and described air inlet, venthole connected with described air inlet pipe, escape pipe respectively；Described sample panel is placed in cavity
Bottom；Described euphotic cover plate is arranged at the upper end of cavity, to seal described cavity；The periphery of described cavity is provided with boss, described
The height of boss is highly consistent with described euphotic cover plate, and described fixation kit is secured on this boss with fixing described euphotic cover
Plate；Wherein, gas enters cavity and from venthole outflow through air inlet.
Further, described fixation kit includes fixed frame and jackscrew part；The inward flange gland of described fixed frame is in described
The outward flange of euphotic cover plate, described fixed frame periphery and the cooperation of boss periphery are provided with the screw inserted for jackscrew part, so that fixing
Euphotic cover plate fixed by frame.
Further, the interior of described cavity laterally offers the inlet channel of a closed at both ends, described air inlet pipe,
Air inlet is connected with this inlet channel, so that gas shunts in each air inlet after air inlet pipe enters inlet channel and flows into chamber
In vivo.
Technical scheme described in the utility model with respect to prior art, the beneficial effect of acquirement is：
(1) properties of catalyst evaluating apparatus described in the utility model employ multiple reaction tanks, being capable of Fast Evaluation
With the photocatalysis performance screening a large amount of compounds, realize the evaluation and test of the catalysis activity of different photocatalysts under same reaction system
With contrast, thus work efficiency is greatly improved.
(2) this utility model adopts multiple flow controllers, can adjust ratio and the reaction gas mixing of each reaction gas flow speed
Flow afterwards, adjustable response parameter is many, and variable is many, has very big motility for optimizing catalystic converter system.
(3) this utility model can carry out light-catalyzed reaction and on-line analyses simultaneously, is conveniently generated gas in real time
Detection, conventional efficient is high, compares traditional offline sampling Detection, improves the reliability of experiment, and reduce experimental data
Error；Additionally, photocatalyst of the same race gas production of different time under same reaction system can be carried out being measured, thus being light
The optimal conditions of catalyst select or provide scientific basis in the research of catalysis rule in it.
(4) traditional reaction tank is that euphotic cover plate is placed directly within reaction tank upper end, does not carry out seal approach, or will
Poly (methyl methacrylate) plate directly carries out punching and is fixed on reaction tank upper end being sealed, because of the transmitance to ultraviolet source for the poly (methyl methacrylate) plate
Low, lead to the catalytic reaction effect of ultraviolet-visible poor, and reaction tank described in the utility model, using fixation kit by quartzy glass
Hermetically gland, in cavity upper end, makes gas tightness greatly improve to the euphotic cover plate of glass, and moves or air-flow in reaction tank
During increase, prevent the movement of euphotic cover plate.
(5) this utility model passes through to adjust the height of elevating mechanism, adjusts the distance of reaction tank and light source, thus adjusting sample
The intensity of illumination on product surface；Additionally, light source can independent control, also can control single source keying, thus controlling the light of light source
According to intensity and range of exposures.
Brief description
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes one of the present utility model
Point, schematic description and description of the present utility model is used for explaining this utility model, does not constitute to of the present utility model
Improper restriction.
In the accompanying drawings：
Fig. 1 is the schematic top plan view of evaluating apparatus described in the utility model；
Fig. 2 is the schematic front view within camera bellows described in the utility model；
Fig. 3 is the generalized section of reaction tank described in the utility model；
Fig. 4 be reaction tank body described in the utility model schematic perspective view；
Fig. 5 is the overlooking surface schematic diagram of reaction tank body described in the utility model.
Reference：Response system -1, analysis system -2, caisson -3, multiple-way valve -4, camera bellows -11, light source -12, instead
Ying Chi -5, second flow controller -13, elevating mechanism -14, the second needle valve -131, second gas effusion meter -132, air inlet
Pipe -51, escape pipe -52, gas mixer -31, the first reactant gas source -32, the second reactant gas source -33, first flow controller -
34, the first needle valve -341, first gas effusion meter -342, reaction tank body -53, euphotic cover plate -54, fixation kit -55, sample
Product plate -56, cavity -531, boss -532, step surface -533, inlet channel -534, fixed frame -551, jackscrew part -552, air inlet
Hole -535, venthole -536.
Specific embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are clearer, clear, with
Under in conjunction with the accompanying drawings and embodiments, this utility model is further elaborated.It should be appreciated that concrete reality described herein
Apply example only in order to explain this utility model, be not used to limit this utility model.
A kind of properties of catalyst evaluating apparatus described in the utility model, as shown in figure 1, include response system 1, analysis
System 2, caisson 3；Wherein：
Described response system 1 includes a camera bellows 11 and is placed in the light source 12 in camera bellows 11 and multiple reaction tank 5；Described light
Source 12 is secured to camera bellows 11 top and is in be oppositely arranged with reaction tank 5；Described reaction tank 5 is provided with air inlet pipe 51 and escape pipe 52；
Described caisson 3 is connected in pipeline with the air inlet pipe 51 of multiple reaction tanks 5 and analysis system 2 by multiple-way valve 4, described reaction
The escape pipe 52 in pond 5 is connected by pipeline with analysis system 2；Wherein gas has respectively entered reaction tank 5 from caisson 3 and divides
Analysis system 2, enters into analysis system 2 through escape pipe 52 after light-catalyzed reaction.
Described caisson 3 includes gas mixer 31, the first reactant gas source 32 and the second reactant gas source 33, described gas
Blender 31 is connected with the first reactant gas source 32 and the second reactant gas source 33 pipeline respectively, so that the first reactant gas source 32 and second
Reaction gas is carried out premixing using gas mixer 31, improves light-catalyzed reaction by the reaction gas mixing of reactant gas source 33
Effect.
Described caisson 3 also includes first flow controller 34, and described first flow controller 34 includes the first needle-like
Valve 341 and first gas effusion meter 342, described first needle valve 341 and first gas effusion meter 342 are secured to the first reaction gas
Between source 32 and gas mixer 31, between the second reactant gas source 33 and gas mixer 31, to adjust the flow of each reaction gas.
Described response system 1 includes second flow controller 13, and described second flow controller 13 includes the second needle valve
131 and second gas effusion meter 132, described second needle valve 131 and second gas effusion meter 132 are secured to described air inlet pipe 51
And caisson 3 between, to adjust the mixed flow of reaction gas.
This utility model adopts multiple flow controllers, and the ratio and the reaction gas that can adjust each reaction gas flow speed are mixed
Flow, adjustable response parameter is many, and variable is many, has very big motility for optimizing catalystic converter system.
Described response system 1 also includes elevating mechanism 14, as shown in Fig. 2 described elevating mechanism 14 is located at reaction tank 5 bottom
Portion, by adjusting the height of elevating mechanism 14, adjusts the distance of reaction tank 5 and light source 12, thus adjusting the illumination of sample surfaces
Intensity.
Described light source 12 is tubular type light source 12, using uviol lamp, mercury lamp or xenon lamp, described light source 12 independent control and parallel
Located at the top of camera bellows 11, the keying of controllable single source 12, thus controlling intensity of illumination and the range of exposures of light source 12.
Fig. 3 is the generalized section of reaction tank 5 described in the utility model, and described reaction tank 5 includes reaction tank body 53, thoroughly
Light cover plate 54, fixation kit 55, sample panel 56；As shown in Figure 3-Figure 5, described reaction tank body 53 includes the chamber of a upper end open
Body 531, the side wall of described cavity 531 offers at least one air inlet 535, and at least one venthole 536 on the other side,
And described air inlet 535, venthole 536 are connected with described air inlet pipe 51, escape pipe 52 respectively；Shown in Fig. 3, described sample panel 56
It is placed in cavity 531 bottom；Described euphotic cover plate 54 is arranged at the upper end of cavity 531, to seal described cavity 531；Described cavity
531 periphery is provided with boss 532, and this boss 532 and cavity 531 form step surface 533, and described euphotic cover plate 54 is placed in this step
On face 533, the height of described boss 532 is highly consistent with described euphotic cover plate 54, to ensure boss 532 and euphotic cover plate 54
It is in a horizontal plane, and guarantee the sealing of gas；
Described fixation kit 55 is secured on this boss 532 with fixing described euphotic cover plate 54；Wherein, gas is through air inlet
535 entrance cavitys 531 simultaneously flow out from venthole 536.
Described fixation kit 55 includes fixed frame 551 and jackscrew part 552；The inward flange gland of described fixed frame 551 is in institute
State the outward flange of euphotic cover plate 54 it is ensured that reaction tank 5 is in moving process or when air-flow increases, the stability of euphotic cover plate 54
And the sealing of cavity 531.
Specifically, as shown in figure 5, the interior of described cavity 531 laterally offers the inlet channel of a closed at both ends
534, described air inlet pipe 51, air inlet 535 are connected with this inlet channel 534, so that gas enters air inlet from air inlet pipe 51 leading to
Shunt behind road 534 in each air inlet 535 and flow in cavity 531.
This utility model can carry out light-catalyzed reaction and the on-line analyses to reaction result simultaneously, is conveniently given birth in real time
Become the detection of gas, conventional efficient is high, compares traditional offline sampling Detection, improves the reliability of experiment, and reduce reality
Test the error of data；Additionally, photocatalyst of the same race gas production of different time under same reaction system can be carried out being measured,
Thus selecting for the optimal conditions of photocatalyst or providing scientific basis in the research of catalysis rule in it.
Specifically, this utility model is used for the photocatalyst activity evaluation of air pollution gas of degrading, such as formaldehyde, second
The organic pollutions such as aldehyde, benzene, in the present embodiment, using acetaldehyde as contamination gas, the i.e. reaction gas of the first reactant gas source 32, oxygen
Reaction gas as the second reactant gas source 33.During test, acetaldehyde and and oxygen respectively through the first reactant gas source 32 and the second reaction
Source of the gas 33 converges to gas mixer 31, and the mixed gas then obtaining have respectively entered reaction tank 5 and analysis system through three-way valve
System 2 (detection light is according to the concentration values of front acetaldehyde), under photocatalysiss, acetaldehyde is decomposed, and finally enters back into analysis system 2
Detection light, according to the concentration value of rear acetaldehyde, by contrast, you can learn the Acetaldehyde Photocatalytic Degradation amount of this catalyst, and then compares same
The activity of different catalysts under the conditions of one.
The present embodiment can improve the concentration of reaction gas, retest Acetaldehyde Photocatalytic Degradation by adjusting flow controller
Amount, is compared, with first time test result, the stability size drawing photocatalysis performance, finally with the photocatalytic degradation of acetaldehyde
The air cleaning performance of rate and estimation of stability photocatalyst.
Photocatalytic chemical reactor structure described in the present embodiment is simple, practical, ensure that in each reaction tank
Light-catalyzed reaction is carried out under same system, improves the accuracy of experiment it is achieved that the catalysis activity of different photocatalyst
Evaluation and test and contrast, and the research to photocatalytic activity condition optimizing.
Described above illustrate and describes preferred embodiment of the present utility model, as previously mentioned it should be understood that this practicality is new
Type is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and can be used for various other groups
Close, change and environment, and can be in utility model contemplated scope described herein, by the technology of above-mentioned teaching or association area
Or knowledge is modified.And the change that those skilled in the art are carried out and change be without departing from spirit and scope of the present utility model, then
All should be in the protection domain of this utility model claims.
Claims (9)
1. a kind of properties of catalyst evaluating apparatus, including analysis system it is characterised in that：Also include：Response system, gas storage dress
Put；Described response system includes a camera bellows and is placed in the light source in camera bellows and multiple reaction tank；Described light source is secured to camera bellows top
Portion and with reaction tank be in be oppositely arranged；Described reaction tank is provided with air inlet pipe and escape pipe；Described caisson pass through multiple-way valve with
The air inlet pipe of multiple reaction tanks and analysis system are in that pipeline connects, and the escape pipe of described reaction tank is with analysis system by pipeline even
Connect；Wherein gas has respectively entered reaction tank and analysis system from caisson, enters into point through escape pipe after light-catalyzed reaction
Analysis system.
2. as claimed in claim 1 a kind of properties of catalyst evaluating apparatus it is characterised in that：Described caisson includes gas
Body blender, the first reactant gas source and the second reactant gas source, described gas mixer is anti-with the first reactant gas source and second respectively
Source of the gas pipeline is answered to connect, so that the reaction gas mixing of the first reactant gas source and the second reactant gas source.
3. as claimed in claim 2 a kind of properties of catalyst evaluating apparatus it is characterised in that：Described caisson also includes
First flow controller, this first flow controller is secured between the first reactant gas source and gas mixer, the second reaction gas
Between source and gas mixer, to adjust the flow of each reaction gas.
4. as claimed in claim 3 a kind of properties of catalyst evaluating apparatus it is characterised in that：Described response system includes
Two flow controllers, this second flow controller is secured between described air inlet pipe and caisson, to adjust reaction gas mixing
Flow afterwards.
5. a kind of properties of catalyst evaluating apparatus as described in claim 1 or 4 it is characterised in that：Described response system is also
Including elevating mechanism, described elevating mechanism located at reaction tank bottom, to adjust the distance of reaction tank and light source.
6. as claimed in claim 1 a kind of properties of catalyst evaluating apparatus it is characterised in that：Described light source is tubular type light
Source, using uviol lamp, mercury lamp or xenon lamp, described light source independent control and the parallel top located at camera bellows.
7. a kind of properties of catalyst evaluating apparatus as described in claim 1 or 6 it is characterised in that：Described reaction tank includes
Reaction tank body, euphotic cover plate, fixation kit, sample panel；Described reaction tank body includes the cavity of a upper end open, described chamber
The side wall of body offers at least one air inlet, and at least one venthole on the other side, and described air inlet, venthole divide
Do not connect with described air inlet pipe, escape pipe；Described sample panel is placed in cavity bottom；Described euphotic cover plate is arranged at the upper of cavity
End, to seal described cavity；The periphery of described cavity is provided with boss, the height one of the height of described boss and described euphotic cover plate
Cause, described fixation kit is secured on this boss with fixing described euphotic cover plate；Wherein, gas through air inlet enter cavity and from
Venthole flows out.
8. as claimed in claim 7 a kind of properties of catalyst evaluating apparatus it is characterised in that：Described fixation kit includes solid
Determine frame and jackscrew part；The inward flange gland of described fixed frame in the outward flange of described euphotic cover plate, described fixed frame periphery and convex
The cooperation of platform periphery is provided with the screw inserted for jackscrew part, so that fixed frame fixes euphotic cover plate.
9. as claimed in claim 8 a kind of properties of catalyst evaluating apparatus it is characterised in that：The interior of described cavity
Laterally offer the inlet channel of a closed at both ends, described air inlet pipe, air inlet are connected with this inlet channel so that gas from
Air inlet pipe shunts in each air inlet after entering inlet channel and flows in cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620946296.0U CN206002493U (en) | 2016-08-26 | 2016-08-26 | A kind of properties of catalyst evaluating apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620946296.0U CN206002493U (en) | 2016-08-26 | 2016-08-26 | A kind of properties of catalyst evaluating apparatus |
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| Publication Number | Publication Date |
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| CN206002493U true CN206002493U (en) | 2017-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267541A (en) * | 2018-03-27 | 2018-07-10 | 河南师范大学 | A kind of novel solid-liquid separating photocatalytic activity evaluation experimental provision |
-
2016
- 2016-08-26 CN CN201620946296.0U patent/CN206002493U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267541A (en) * | 2018-03-27 | 2018-07-10 | 河南师范大学 | A kind of novel solid-liquid separating photocatalytic activity evaluation experimental provision |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 361000 Fujian province Xiamen torch hi tech Zone (Xiangan) Industrial Zone Jianye Building A room 202A Patentee after: Jingwu Environmental Protection Technology Co.,Ltd. Address before: 361000 Fujian province Xiamen torch hi tech Zone (Xiangan) Industrial Zone Jianye Building A room 202A Patentee before: XIAMEN HOUSECLEANER ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191129 Address after: 361000 unit u, Room 401, No. 34, guanri Road, phase II, software park, Xiamen City, Fujian Province Patentee after: Xiamen Qingye Software Co.,Ltd. Address before: 361000 Fujian province Xiamen torch hi tech Zone (Xiangan) Industrial Zone Jianye Building A room 202A Patentee before: Jingwu Environmental Protection Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20210826 |
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| CF01 | Termination of patent right due to non-payment of annual fee |