CN201179444Y - Photochemical reaction device - Google Patents
Photochemical reaction device Download PDFInfo
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- CN201179444Y CN201179444Y CNU2007201961425U CN200720196142U CN201179444Y CN 201179444 Y CN201179444 Y CN 201179444Y CN U2007201961425 U CNU2007201961425 U CN U2007201961425U CN 200720196142 U CN200720196142 U CN 200720196142U CN 201179444 Y CN201179444 Y CN 201179444Y
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- specimen cup
- reaction device
- photochemical reaction
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- light source
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Abstract
The utility model discloses a photochemical reaction device which comprises a light source, a plurality of sample cups and a plurality of sample cup frame bodies which support the sample cups. The sample cup frame bodies are arranged encircling the light resource; the sample cups are arranged on the sample cup frame bodies in a mode of surrounding the light source, a fixing device for fixing samples to be tested is arranged in each sample cup. The photochemical reaction device can test a plurality of samples in one time through the encircling arrangement of the sample cups to improve the test efficiency. Moreover, the test difference between the samples can be greatly reduced by the encircling form, and therefore the comparability and the precision of the sample results can be improved.
Description
Technical field
The utility model relates in particular to a kind of photochemical reaction device about chemical reaction equipment.
Background technology
In recent years, environmental protection more and more is subject to people's attention, and various house refuses are seen everywhere, and some is degradable organic matter.These degradable organic matters can adopt light-catalysed mode to be degraded into micromolecular compound usually, to reduce the pollution to environment.Typical photochemical catalyst is a titanium dioxide, and its research at aspects such as the depollutions of environment obtains considerable progress.But the evaluation means about the photochemical catalyst photocatalytic activity is varied, and length is respectively arranged, and does not have unified standard, and the evaluation of photocatalytic activity and contrast are had difficulties.
The device that is used for the photocatalytic activity evaluation at present has gas phase and liquid phase two class evaluating apparatus, and these evaluating apparatus are generally testing stand or bigger experimental facilities.In the test of liquid phase photocatalytic activity, usually simply will the be degraded solution of material of employing is put into container, photochemical catalyst is put into solution, utilize ultraviolet light or visible light to carry out direct irradiation then, calculate degradation rate by the mensuration thing solution absorbency that is degraded.This mode is simple, but because solution lacks mobilely, makes that degradation process is inhomogeneous carries out.Bigger owing to being exposed to airborne area in addition, add the heat that illumination produces, make the solution solvent evaporation too fast.
SGY type and XPA type photochemical reaction instrument commonly used can carry out liquid phase and solid catalysis, but only are suitable for powder photocatalyst, there is the shortcoming of placing difficulty for film photocatalyst, and in liquid-phase catalysis, the air feed difficulty, light source power is big, needs water cooling equipment.And owing to Effect of Environmental such as the temperature that is subjected to different time, humidity, can there be different difference in the result of each test, and the contrast of different sample result is strict inadequately.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of testing efficiency height and the high photochemical reaction device of test result comparativity.
For solving the problems of the technologies described above, the utility model provides a kind of photochemical reaction device, it comprises light source, a plurality of specimen cup and the specimen cup support body that supports described a plurality of specimen cups, described specimen cup support body is around described light source setting, described a plurality of specimen cup is arranged on the described specimen cup support body in the mode around described light source, is provided with the fixedly fixture of testing sample in each specimen cup.
The photochemical reaction device that the utility model embodiment provides is by being provided with the mode of a plurality of specimen cups around described light source, thereby can carry out photochemical reaction simultaneously to a plurality of samples, get final product a plurality of samples of disposable test, improve test speed, promote testing efficiency.And by so around form, and by fixture that the sample location is consistent, the effect that makes sample in each specimen cup obtain illumination is consistent, can significantly reduce the testing differentia of a plurality of sample rooms thus, improves the comparativity and the precision of sample result.
Description of drawings
Fig. 1 is the photochemical reaction device structural representation that the utility model embodiment provides.
Fig. 2 is the photochemical reaction device schematic top plan view among Fig. 1.
Fig. 3 is the structural representation of specimen cup in the photochemical reaction device of Fig. 1.
Fig. 4 is the schematic side view of the photochemical reaction device medium-height trestle of Fig. 3.
Fig. 5 is the schematic top plan view of the photochemical reaction device medium-height trestle of Fig. 3.
Fig. 6 is the test result curve synoptic diagram that photochemical reaction device that the utility model embodiment provides is applied to a concrete test implementation example.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1 and Fig. 2, the photochemical reaction device that provides for the utility model embodiment.This photochemical reaction device comprises specimen cup support body 1, a plurality of specimen cup 3, light source 5 and many air supply pipes 4.Specimen cup support body 1 is provided with around light source 5.A plurality of specimen cups 3 equally spaced are arranged on the specimen cup support body 1, and around light source 5, air supply pipe 4 extend into the cup end of specimen cup 3.
In the present embodiment, specimen cup support body 1 is specially a reaction vessel 7, is preferably cylindrical vessel.Specimen cup support body 1 can adopt the version that is similar to usually used rack for test tube, promptly at reaction vessel 7 inwalls between the upper and lower every annular base 12 and stock 14 are set.Base 12 and stock 14 are parallel to each other, and stock 14 is positioned at base 12 tops.Stock 14 offers a plurality of trepannings 142, and each trepanning 142 offers into that permission specimen cup 3 passes and seat is located on the base 12.Corresponding position constitutes a cup position of placing specimen cup 3 on each trepanning 142 part and the base 12.Because base 12 is as the main support of specimen cup 3, the corresponding support column 16 that a plurality of base for supporting 12 are set in reaction vessel 7 bottoms is to increase the steadiness of base 12.Should be understood that, in other embodiments, can directly on base 12, be provided with and a plurality ofly be used for the storage tank of ccontaining specimen cup 3 and stock 14 is not set that at this moment, each cup position that is used to place specimen cup 3 corresponds to a storage tank.
Many air supply pipes 4 are arranged in the sidewall of reaction vessel 7 corresponding to a plurality of specimen cups 3, be used for feeding the gas of suitable flow to the specimen cup 3 of correspondence, fill solution 9 in the specimen cup 3, can be by photocatalytic degradation solution, can the solution 9 in the specimen cup 3 be stirred by the gas bubbling, help the even catalytic degradation of degradation material.The gas that feeds can be oxygen, air or nitrogen, is preferably oxygen, to help quickening the carrying out of light-catalyzed reaction.Air supply pipe 4 preferably extend at the bottom of 3 glasss of the specimen cups.In the present embodiment, the quantity of specimen cup 3 is 12, but is not limited to this quantity, and the specimen cup of requirement can be set during practical application as required.Each specimen cup 3 has a flat sidewall 31, and when carrying out light-catalyzed reaction, this flat sidewall 31 is over against light source 5.
See also Fig. 3, show the internal structure of the specimen cup 3 of the photochemical reaction device that the utility model embodiment provides, for knowing show sample cup 3 inner structures, the solution 9 in the not shown specimen cup 3.Specimen cup 3 adopts quartz beaker.Specimen cup 3 comprises cup 32 and the bowl cover 34 that is covered on the cup 32.The sidewall of cup 32 comprises aforesaid flat sidewall 31, cambered surface sidewall 33 and the cup end 35.Cambered surface sidewall 33 is the sidewall of circular arc for cross section, and itself and flat sidewall 31 constitute the whole sidewall of specimen cup 3.The flexible member 38 that bowl cover 34 is extended with a block 36 and is oppositely arranged with block 36 towards cup 32 inside.Flexible member 38 can be a flexure strip or elastic yarn, and elastic yarn can be elasticity iron wire or steel wire etc.When sample thin film 2 places specimen cup 3, flexible member 38 with the top resilient clamp of sample thin film 2 between itself and the block 36.Therefore, bowl cover 34, block 36 and flexible member 38 constitute the fixture of sample thin film 2.Be the bottom of further firm sample thin film 2, this fixture also can comprise be arranged at glass at the bottom of 35 supports 21 that are used for breasting sample thin film 2.
See also Figure 4 and 5, support 21 comprises a base plate 22, by riser 24 that protrudes out on the base plate 22 and clapboard 26.Clapboard 26 has inclined-plane 27, and it is relative with riser 24.Base plate 22 offers consistent reach through hole 28, is used to allow air supply pipe 4 pass.As shown in Figure 3, at the bottom of air supply pipe 28 outlet sides reach glass 35 and pass support 21, make the gas outlet be close to flat sidewall 31 by through hole 28.As shown in the figure, present embodiment comprises the riser 24 of pair of spaced, the gas process that this can allow air supply pipe 4 feed to the interval between the riser 24.Riser 24 is than the flat sidewall 31 of clapboard 26 more close specimen cups 3, is preferably with flat sidewall 31 to parallel.
When sample thin film 2 places specimen cup 3, testing sample on the sample thin film 2 is placed in the face of light source 5, also promptly in the face of flat sidewall 31, therefore, the gas outlet is for being close to flat sidewall 31 and between flat sidewall 31 and sample thin film 2, be beneficial to bubbling and stir the liquid that is degraded, promote the photochemical reaction of sample.Sample thin film 2 near glass at the bottom of 35 bottom be posted by the side of riser 24 in the face of inclined-plane 27, the bottom of sample thin film 2 also can be supported on the inclined-plane 27 of support 21 simultaneously, promptly sample thin film 2 is placed between inclined-plane 27 and the riser 24.Sample thin film 2 is plated on usually and carries on the glass sheet, and the space between inclined-plane 27 and the riser 24 is enough to ccontaining year glass sheet.Because the inclined-plane 27 of support 21 has the graded on the height, thereby inclined-plane 27 can adapt to the sample thin film 2 that supports different-thickness.Certainly, sample removes and adopts the film its load form, also can be carried on particle, and on the SiC spheric granules, it can directly be positioned in the specimen cup 3.The concrete application testing embodiment of the photochemical reaction device of present embodiment is as follows.
Test implementation example one
It is 20 watts of ultraviolet germicidals that dominant wavelength is 254 nanometers that light source adopts power, specimen cup 3 is a quartz beaker, have 12 even compartment of terrains of quartz beaker be arranged in light source 5 around, light source 5 is 12 centimetres apart from the distance that each specimen cup 3 center inserts the position of photocatalysis film, and photocatalysis film is for being coated with TiO
2Film, the air feed of air supply pipe 4 is an oxygen, the material that is degraded is a methylene blue solution.
To be coated with TiO
2The slide of film inserts in the quartz beaker, and be fixed in the quartz beaker by bowl cover 34 and fixed support 21, in quartz beaker, pour 20mL into, concentration is the methylene blue solution of 20mg/L, by air supply pipe 4 aerating oxygens methylene blue solution is stirred, to quicken light-catalyzed reaction.The aerating oxygen flow is 0.15L/min, behind 4 hours UV-irradiation, opens quartz beaker lid, draws the solution that is degraded with suction pipe, adopts the 721 spectrophotometric determinations solution absorbency that is degraded, and the result shows that the methylene blue rate of being degraded reaches 90%.
Test implementation example two
Present embodiment two is basic identical with embodiment one experimental condition, and difference is: sample is that load has TiO
2SiC spheric granules 0.20g, put into quartz beaker, light source was selected 11 watts ultraviolet-sterilization TUV fluorescent tube for use, through 1 hour UV-irradiation.Adopt the 721 spectrophotometric determinations solution absorbency that is degraded, the result shows that the methylene blue solution rate of being degraded reaches more than 99%.
Test implementation example three
Adopt and embodiment one essentially identical experimental condition, difference is: the solution that is degraded changes the methyl orange solution that concentration is 10mg/L into, and sample is the TiO of nitrating
2Glass film.Behind 4 hours UV-irradiation, adopt the 721 spectrophotometric determinations solution absorbency that is degraded, the result shows that the methyl orange rate of being degraded reaches 98%.
Test implementation example four:
Adopt the experimental condition of embodiment one, will be with the TiO of the different content urea doping vario-property of Prepared by Sol Gel Method
2Film inserts in a plurality of quartz beakers.In each quartz beaker, pour 20mL into, concentration is the methylene blue solution of 20mg/L, the aerating oxygen flow is 0.15L/min, UV-irradiation through 2 hours, adopt the 721 spectrophotometric determinations solution absorbency that is degraded, calculate the degradation rate of methyl orange, obtain different urea doping vario-property TiO
2Film photocatalytic activity is directly contrasted.The result who obtains can directly be contrasted by illustrated curve and to judge as shown in Figure 6, and photochemical catalyst had higher photocatalytic activity when urea content was about 0.4 gram.
Above four test implementation examples can on photochemical reaction device, carry out simultaneously, only need in each specimen cup 3, be respectively charged into corresponding sample and solution, can on this same device, carry out their photochemical reaction simultaneously.Especially test implementation example four can be simultaneously at same experimental condition, to the TiO of different content urea doping vario-property
2The photocatalytic activity of film directly contrasts, and specimen cup 3 is provided with around light source 5, and it is the sample location is consistent by fixture, the effect that makes sample in each specimen cup 3 obtain illumination is consistent, can significantly reduce the testing differentia of a plurality of sample rooms, therefore the result of the test that obtains at last has the height comparativity, and increases the precision that the sample photocatalytic activity is estimated.In addition,, will significantly improve test speed, promote testing efficiency because several samples and solution can be tested simultaneously.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1, a kind of photochemical reaction device, it comprises light source, a plurality of specimen cup and the specimen cup support body that supports described a plurality of specimen cups, it is characterized in that, described specimen cup support body is around described light source setting, described a plurality of specimen cup is arranged on the described specimen cup support body in the mode around described light source, is provided with the fixedly fixture of testing sample in each specimen cup.
2, photochemical reaction device as claimed in claim 1 is characterized in that, described a plurality of specimen cups equally spaced are arranged on the specimen cup support body.
3, photochemical reaction device as claimed in claim 1 is characterized in that, described specimen cup support body is provided with a plurality of specimen cups position around described light source, and each specimen cup places respectively on the corresponding specimen cup position.
4, photochemical reaction device as claimed in claim 1, it is characterized in that, described specimen cup support body is a cylindrical vessel, the inwall of cylindrical vessel is interval with annular base up and down and is positioned at the stock on described base top, described stock offers a plurality of trepannings, each trepanning be respectively applied for allow a corresponding specimen cup pass and the seat be located on the described base.
5, photochemical reaction device as claimed in claim 4 is characterized in that, described light source is fixedly arranged on the top of described cylindrical vessel and is positioned on the axis of cylindrical vessel.
6, photochemical reaction device as claimed in claim 1 is characterized in that, described specimen cup have one be used for light source over against flat sidewall.
7, photochemical reaction device as claimed in claim 1 is characterized in that, further comprises a plurality of air supply pipes, and each air supply pipe stretches into respectively in the corresponding specimen cup.
8, photochemical reaction device as claimed in claim 7, it is characterized in that, described fixture comprise a lid establish the bowl cover of described specimen cup, by the bowl cover block that direction is extended in the cup and with described block opposite spring element, described flexible member and described block match and are used for the resilient clamp testing sample.
9, photochemical reaction device as claimed in claim 8, it is characterized in that, described fixture also comprises a support of being located at the bottom of the described specimen cup, described support comprises a base plate, by riser that protrudes out on the base plate and clapboard, it is one relative with riser and be used for the inclined-plane of breasting testing sample that described clapboard has.
10, photochemical reaction device as claimed in claim 9 is characterized in that, described base plate penetratingly offers a through hole that allows described air supply pipe to pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201961425U CN201179444Y (en) | 2007-12-19 | 2007-12-19 | Photochemical reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201961425U CN201179444Y (en) | 2007-12-19 | 2007-12-19 | Photochemical reaction device |
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| CN201179444Y true CN201179444Y (en) | 2009-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007201961425U Expired - Fee Related CN201179444Y (en) | 2007-12-19 | 2007-12-19 | Photochemical reaction device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947426A (en) * | 2010-09-27 | 2011-01-19 | 南京胥江机电厂 | Multiple-test tube stirring-rotating type method and device for photochemical reaction |
| CN102019161A (en) * | 2009-09-15 | 2011-04-20 | 微宏动力系统（湖州）有限公司 | Multichannel photocatalysis reaction device |
| CN104931648A (en) * | 2015-05-12 | 2015-09-23 | 河南理工大学 | Temperature control, aeration and stirring integrated environmental pollutant photochemical transformation studying device |
| CN105277651A (en) * | 2015-10-30 | 2016-01-27 | 甘林 | Photocatalytic performance measuring device and photocatalytic performance measuring method |
| CN111562239A (en) * | 2020-05-20 | 2020-08-21 | 四川大学 | Multi-position automatic photochemical steam generation device and working method thereof |
-
2007
- 2007-12-19 CN CNU2007201961425U patent/CN201179444Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102019161A (en) * | 2009-09-15 | 2011-04-20 | 微宏动力系统（湖州）有限公司 | Multichannel photocatalysis reaction device |
| CN101947426A (en) * | 2010-09-27 | 2011-01-19 | 南京胥江机电厂 | Multiple-test tube stirring-rotating type method and device for photochemical reaction |
| CN104931648A (en) * | 2015-05-12 | 2015-09-23 | 河南理工大学 | Temperature control, aeration and stirring integrated environmental pollutant photochemical transformation studying device |
| CN104931648B (en) * | 2015-05-12 | 2016-08-24 | 河南理工大学 | The environmental contaminants photochemical transformation research device of temperature control aeration agitation integration |
| CN105277651A (en) * | 2015-10-30 | 2016-01-27 | 甘林 | Photocatalytic performance measuring device and photocatalytic performance measuring method |
| CN111562239A (en) * | 2020-05-20 | 2020-08-21 | 四川大学 | Multi-position automatic photochemical steam generation device and working method thereof |
| CN111562239B (en) * | 2020-05-20 | 2021-05-11 | 四川大学 | Multi-position automatic photochemical steam generation device and working method thereof |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090114 Termination date: 20151219 |
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| EXPY | Termination of patent right or utility model |