CN203164108U - Gas-solid phase photocatalysis circular reaction effect detection device - Google Patents
Gas-solid phase photocatalysis circular reaction effect detection device Download PDFInfo
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- CN203164108U CN203164108U CN 201320024413 CN201320024413U CN203164108U CN 203164108 U CN203164108 U CN 203164108U CN 201320024413 CN201320024413 CN 201320024413 CN 201320024413 U CN201320024413 U CN 201320024413U CN 203164108 U CN203164108 U CN 203164108U
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Abstract
The utility model discloses a gas-solid phase photocatalysis circular reaction effect detection device which comprises a gas analyzer and a photoreactor, wherein the photoreactor comprises a box body; the box body is a sealed body made of a light transmittance material; at least one side of the box body can be open; a gas inlet hole and a gas outlet hole are formed in the box body; a fan, an irradiatometer and a test piece shelf are arranged in the box body; the gas inlet hole of the box body is connected with a test sample gas storage device through a pipeline; the gas outlet hole of the box body is connected with gas treatment equipment through a pipeline; a gas inlet detection pipe of the gas analyzer is connected with a pipeline on the gas inlet hole of the box body; a gas outlet detection pipe of the gas analyzer is connected with a pipeline on the gas outlet hole of the box body; and a plurality of fans for making test sample gas in the box body flow are arranged in the box body. The gas-solid phase photocatalysis circular reaction effect detection device is simple in structure and easy to manufacture; and various experiment conditions are realized by controlling reaction parameters, so that the using effect and the maximum catalysis activity of a photocatalyst and the using value of a novel material are more comprehensively and systematically evaluated.
Description
Technical field
The utility model relates to a kind of gas-solid phase photocatalysis circular response effect detection device.
Background technology
The elimination research of the heterogeneous photocatalytic applications of semiconductor trace harmful gases in air, caused the great interest of people and research widely as far back as the eighties in last century, and moved towards practicability aspect the small environment pollution improvement gradually and obtaining certain effect.
In recent years, the huge development potentiality of this subject and wide application prospect were more given in the development of Nano semiconductor photocatalysis technology.But mostly the purification reaction apparatus of photocatalyst is to utilize gas analyzer to detect its concentration before and after reaction at present, and with the index of difference as evaluation photocatalyst for degrading performance.Gas can't be adjusted and change to this detection method in the condition of reaction chamber internal reaction, and can't monitor in real time the reaction indoor gas, and when detecting, consumed part test gas again, make experiment condition there are differences, thereby cause experimental error to increase, the comparability of test findings is relatively poor, and this has brought very adverse influence to photocatalyst performance evaluation and discipline development.
The utility model content
The purpose of this utility model be at the deficiencies in the prior art provide a kind of simple in structure, make easy, realize the kinds of experiments condition by the control to response parameter, thereby systematically estimate the gas-solid phase photocatalysis circular response effect detection device of result of use, maximum catalytic activity and the new material use value of photocatalyst more comprehensively.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of gas-solid phase photocatalysis circular response effect detection device, comprise gas analyzer, also comprise Photoreactor, described Photoreactor comprises box body, described box body is the seal that light transmissive material is made, at least one side of described box body can be opened, described box body is provided with air admission hole and venthole, fan and irradiatometer are installed in the described box body, the air admission hole of described box body is connected with test sample gas storage device by pipeline, the described venthole of described box body is connected with gas processing device by pipeline, the air inlet sound-pipe of described gas analyzer is connected with pipeline on the air admission hole of described box body, pipeline on the venthole of give vent to anger sound-pipe and the described box body of described gas analyzer is connected, and a plurality of moving described fans of box bodys test sample air-flow that cause are installed in the described box body.
Described box body inside is provided with the illumination analogue means, described box body outer around dismountable shadow shield that is made of light screening material is installed.
Described box body inner bottom part is equipped with the test specimen shelf of placing test specimen, and described test specimen shelf bottom is provided with road wheel, and described illumination analogue means is installed on the described test specimen shelf by height-adjustable support.
Described illumination analogue means comprises tube groove and is installed in many interior quartz burners of described tube groove.
Gas volume formula flowmeter and described test sample gas storage device are installed on the described test sample gas storage device carry out the gas preparation by gas volume formula flowmeter.
Owing to adopt said structure, the utlity model has following advantage:
1, in the experimentation, the gas that enters into gas analyzer from box body turns back in the box body again through after the analysis of gas analyzer, thereby makes the total amount of gas can not change, and has realized that the free of losses of sample gas is used, thereby reach the effect that gas circulation is utilized, reduce experimental error;
2, intensity of illumination can realize multiple intensity of illumination condition by the quartz burner quantity of adjustment illumination analogue means and the height of fluorescent tube test coupon plate;
3, the temperature and humidity conditions of light-catalyzed reaction can be regulated by temperature and humidity control device, and monitors in real time by the Temperature Humidity Sensor on the temperature and humidity control device;
4, the initial concentration of the required sample gas of experiment can use gas volume formula flowmeter accurately to dispose;
5, the housing of Photoreactor has high light transmittance, and illumination analogue means and light screening material can be dismantled, and guarantees that equipment set is applicable to the indoor or outdoors experiment simultaneously;
6, the test specimen shelf in the Photoreactor can be placed all kinds of samples, and load-bearing property is good, and test specimen shelf bottom is provided with road wheel, can make things convenient for the movement of test specimen.
Description of drawings
Fig. 1 photocatalysis circular response schematic flow sheet;
Fig. 2 Photoreactor external structure synoptic diagram;
Fig. 3 Photoreactor internal structure synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing, further describe the embodiment of this patent.
As Fig. 2, shown in 3, described Photoreactor 4 comprises box body, described box body is the seal that light transmissive material is made, at least one side of described box body can be opened, described box body is provided with air admission hole 41 and venthole 42, temperature and humidity control device 47 is installed in the described box body, fan 43, irradiatometer 48 and test specimen shelf 49, temperature and humidity control device 47 and irradiation are counted general part, temperature and humidity control device 47 can be controlled the temperature and humidity in the described box body, the monitoring probe of irradiatometer is arranged on below or the top monitoring intensity of illumination of illumination analogue means, the air admission hole 41 of described box body is connected with test sample gas storage device 1 by pipeline, the described venthole 42 of described box body is connected with gas processing device 6 by pipeline, the air inlet sound-pipe of described gas analyzer 5 is connected with pipeline on the air admission hole 41 of described box body, pipeline on the venthole 42 of give vent to anger sound-pipe and the described box body of described gas analyzer 5 is connected, a plurality of moving described fans 43 of box body test sample air-flow that cause are installed in the described box body, and described box body inner bottom part is equipped with the test specimen shelf 49 of placing test specimen.In the present embodiment, the box body size is: long 1600mm, and wide 870mm, high 740mm, volume is V=1m after removing the inside reactor annex and testing the photoactivation plate
3, the power of quartz burner is 30W, and emission wavelength is 300～400nm, and centre wavelength is 365nm.The test specimen that is placed on the test specimen shelf 49 is the effect of playing carrier of photocatalyst; Test specimen shelf 49 is selected the rut plate for use, because the weight of rut plate is heavier, can be arranged to the push-and-pull form, conveniently pushes and withdraw from Photoreactor.
Embodiment one: during shop experiment, dismountable shadow shield 46 that is made of light screening material is installed around outside the described box body, described illumination analogue means comprises tube groove and is installed in many interior quartz burners of described tube groove, according to Fig. 1, Fig. 2, shown in Figure 3, regulate temperature in the Photoreactor, humidity to required condition by temperature and humidity control device 47, realize the intensity of illumination of requirement of experiment by regulating fluorescent tube quantity or illumination analogue means height, cover shadow shield 46, place test specimen---photocatalysis in solid phase plate to be detected at test specimen shelf 49; Open the reduction valve 2 on the test sample gas storage device 1, test sample gas storage device 1 is the sample gas cylinder in the present embodiment, uses 3 controls of gas volume formula flowmeter to discharge quantitative gas from the sample gas cylinder, feeds in the Photoreactor 4 by air admission hole 41; The fan of opening in the reactor 43 mixes gas, connects Photoreactor 4 and gas analyzer 5; Open gas analyzer 5, detect initial vapor concentration, treat that the concentration indicating value is stable after, open illumination analogue means 44, read the gas concentration shown in the gas analyzer 5 then in real time; Reacted mixed gas feeds in the gas processing device 6.
Embodiment two: during outdoor test, need removal illumination analogue means 44, regulate temperature in the Photoreactor, humidity to required condition by temperature and humidity control device 47, cover light screening material 46, place test specimen---photocatalysis in solid phase plate to be detected at shelf 49; Open reduction valve 2, test sample gas storage device 1 is the sample gas cylinder in the present embodiment, uses 3 controls of gas volume formula flowmeter to discharge quantitative gas from the sample gas cylinder, feeds in the Photoreactor 4 again; The fan of opening in the reactor 43 mixes gas, connects Photoreactor 4 and gas analyzer 5; Open gas analyzer 5, detect initial vapor concentration, treat that the concentration indicating value is stable after, remove light screening material 46, read the gas concentration shown in the gas analyzer 5 then in real time; Monitor variation and the record of on-the-spot intensity of illumination in real time with irradiatometer; Reacted mixed gas feeds in the gas processing device 6.
Claims (5)
1. gas-solid phase photocatalysis circular response effect detection device, comprise gas analyzer, it is characterized in that, also comprise Photoreactor, described Photoreactor comprises box body, described box body is the seal that light transmissive material is made, at least one side of described box body can be opened, described box body is provided with air admission hole and venthole, fan and irradiatometer are installed in the described box body, the air admission hole of described box body is connected with test sample gas storage device by pipeline, the described venthole of described box body is connected with gas processing device by pipeline, the air inlet sound-pipe of described gas analyzer is connected with pipeline on the air admission hole of described box body, and the pipeline on the venthole of give vent to anger sound-pipe and the described box body of described gas analyzer is connected, and a plurality of moving described fans of box bodys test sample air-flow that cause are installed in the described box body.
2. gas-solid phase photocatalysis circular response effect detection device according to claim 1 is characterized in that described box body inside is provided with the illumination analogue means, described box body outer around dismountable shadow shield that is made of light screening material is installed.
3. gas-solid phase photocatalysis circular response effect detection device according to claim 2, it is characterized in that, described box body inner bottom part is equipped with the test specimen shelf of placing test specimen, described test specimen shelf bottom is provided with road wheel, and described illumination analogue means is installed on the described test specimen shelf by height-adjustable support.
4. gas-solid phase photocatalysis circular response effect detection device according to claim 2 is characterized in that, described illumination analogue means comprises tube groove and is installed in many interior quartz burners of described tube groove.
5. gas-solid phase photocatalysis circular response effect detection device according to claim 1, it is characterized in that, gas volume formula flowmeter and described test sample gas storage device are installed on the described test sample gas storage device carry out the gas preparation by gas volume formula flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320024413 CN203164108U (en) | 2013-01-17 | 2013-01-17 | Gas-solid phase photocatalysis circular reaction effect detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320024413 CN203164108U (en) | 2013-01-17 | 2013-01-17 | Gas-solid phase photocatalysis circular reaction effect detection device |
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| CN203164108U true CN203164108U (en) | 2013-08-28 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115999A (en) * | 2013-01-17 | 2013-05-22 | 长沙理工大学 | Gas-solid phase photocatalytic reaction effect detection device and method with controllable influence factor change |
| CN104596930A (en) * | 2015-01-26 | 2015-05-06 | 西北永新涂料有限公司 | Device and method for online measuring content of volatile organic compounds |
| WO2017085342A1 (en) * | 2015-11-16 | 2017-05-26 | Consejo Superior De Investigaciones Científicas (Csic) | Device for determining photocatalytic properties of materials |
| CN113030397A (en) * | 2021-03-26 | 2021-06-25 | 中南大学 | Environmental pollutant purification performance testing arrangement |
-
2013
- 2013-01-17 CN CN 201320024413 patent/CN203164108U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115999A (en) * | 2013-01-17 | 2013-05-22 | 长沙理工大学 | Gas-solid phase photocatalytic reaction effect detection device and method with controllable influence factor change |
| CN103115999B (en) * | 2013-01-17 | 2015-05-20 | 长沙理工大学 | Gas-solid phase photocatalytic reaction effect detection device and method with controllable influence factor change |
| CN104596930A (en) * | 2015-01-26 | 2015-05-06 | 西北永新涂料有限公司 | Device and method for online measuring content of volatile organic compounds |
| CN104596930B (en) * | 2015-01-26 | 2017-03-22 | 西北永新涂料有限公司 | Device and method for online measuring content of volatile organic compounds |
| WO2017085342A1 (en) * | 2015-11-16 | 2017-05-26 | Consejo Superior De Investigaciones Científicas (Csic) | Device for determining photocatalytic properties of materials |
| CN113030397A (en) * | 2021-03-26 | 2021-06-25 | 中南大学 | Environmental pollutant purification performance testing arrangement |
| CN113030397B (en) * | 2021-03-26 | 2022-02-18 | 中南大学 | Environmental pollutant purification performance testing arrangement |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20160117 |
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| EXPY | Termination of patent right or utility model |