CN208043645U - A kind of rapid photocatalytic formaldehyde quantitative testing device - Google Patents
A kind of rapid photocatalytic formaldehyde quantitative testing device Download PDFInfo
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- CN208043645U CN208043645U CN201820472260.2U CN201820472260U CN208043645U CN 208043645 U CN208043645 U CN 208043645U CN 201820472260 U CN201820472260 U CN 201820472260U CN 208043645 U CN208043645 U CN 208043645U
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- reaction chamber
- formaldehyde
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- quantitative testing
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Abstract
The utility model discloses a kind of rapid photocatalytic formaldehyde quantitative testing device, including reaction chamber, the reaction chamber is opening door structure；Light source is equipped at the top of the reaction chamber；Position is equipped with fan to the reaction chamber up and down；The reaction chamber bottom is equipped with sample support frame；Sample is placed on the sample support frame；The reaction chamber bottom is equipped with temperature humidity detection device；The reaction chamber side is connected with vacuum pump；The reaction chamber side is connected with gas generator；The reaction chamber side is connected with formaldehyde generating means by tube at one end；The reaction chamber side is connected with formaldehyde sampler.The detection device can accurately adjust the concentration into formaldehyde in reaction chamber, and realization is quick, quantitatively detects photocatalysis formaldehyde efficiency.
Description
Technical field
The utility model is related to formaldehyde examination device fields, and in particular to a kind of rapid photocatalytic formaldehyde determines amount detection device
It sets.
Background technology
Formaldehyde is one of main source of indoor organic pollutant.Formaldehyde in room air is mainly derived from building decoration
Material, furniture, various adhesives, coating, synthesis textile etc..When Formaldehyde Concentration of Indoor Air reaches 0.50mg/m3When, it can pierce
Swash eyes, causes to shed tears；When its concentration continues growing, the health care belt of people can further be adversely affected.Therefore, indoor
The degradation technique of formaldehyde in air has received widespread attention.Photocatalysis is the combination of both photochemistry and catalysis material.
Under certain illumination condition, catalysis material produces the extremely strong free hydroxyl of oxidability and active oxygen, has very strong light
Redox function, Formaldehyde decomposition at free of contamination moisture and carbon dioxide.Catalysis material itself is used as catalyst, not directly
Participation catalysis reaction is connect, can but promote the progress of light-catalyzed reaction, clean and effective nontoxic.Therefore, catalysis material pair
The catalytic efficiency detection of formaldehyde is most important for the development of the technology.
Photocatalysis efficiency is also related to indoor environment factor in addition to related to catalysis material nature, including：Temperature
Degree, humidity, concentration of formaldehyde, gas flow rate, light intensity, optical frequency etc..The existing catalytic efficiency for catalysis material detects mostly in room
Outer progress cannot achieve quantitative detection at all due to the complexity and uncontrollability of outdoor environment；And existing test in laboratory
Device, and the physical parameter of outdoor environment cannot be simulated completely.Application number 201720746381.7 discloses a kind of novel light
It is catalyzed formaldehyde quantitative testing device, the quantitative detection of indoor photocatalysis formaldehyde is solved, still, the tune of concentration of formaldehyde can not be solved
Control problem.The accuracy controlling for further increasing concentration of formaldehyde realizes that quickly detection is the target pursued to photocatalysis formaldehyde.
Utility model content
The purpose of this utility model is to provide a kind of rapid photocatalytic formaldehyde quantitative testing devices, overcome in the prior art
The problem of.The accuracy controlling of concentration of formaldehyde in photocatalysis detection device is further increased, photocatalysis equipment is improved and occurs with formaldehyde
The combination of device provides available, easy to operate, the quick detection in laboratory, is readily disassembled the photocatalysis formaldehyde examination device with assembling.
The utility model is realized by following proposal：
A kind of rapid photocatalytic formaldehyde quantitative testing device, including reaction chamber, the reaction chamber are opening door structure；It is described
Light source is equipped at the top of reaction chamber；Position is equipped with fan to the reaction chamber up and down；The reaction chamber bottom is equipped with sample support frame；Institute
It states and places sample on sample support frame；The reaction chamber bottom is equipped with temperature humidity detection device；The reaction chamber side connection
There is vacuum pump；The reaction chamber side is connected with gas generator；The reaction chamber side is connected with formaldehyde by tube at one end
Generating means；The reaction chamber side is connected with formaldehyde sampler.
A kind of rapid photocatalytic formaldehyde quantitative testing device of the utility model, the reaction chamber top are equipped with pressure gauge.
A kind of rapid photocatalytic formaldehyde quantitative testing device of the utility model is set between reaction chamber door and the reaction chamber
There is silicone sealing strip.
A kind of rapid photocatalytic formaldehyde quantitative testing device of the utility model leads between reaction chamber door and the reaction chamber
Spring lock catch is crossed to be fastened.
A kind of rapid photocatalytic formaldehyde quantitative testing device of the utility model, the light source have multiple illuminators, institute
Stating illuminator has multi-frequency.
A kind of rapid photocatalytic formaldehyde quantitative testing device of the utility model, the formaldehyde generating means are water-bath,
The water-bath has various temperature.
A kind of rapid photocatalytic formaldehyde quantitative testing device of the utility model, the formaldehyde sampler are air extractor
Coordinate drexel bottle sampling.
A kind of rapid photocatalytic formaldehyde quantitative testing device of the utility model, the temperature humidity detection device are warm and humid
Degree meter.
A kind of rapid photocatalytic formaldehyde quantitative testing device of the utility model, the gas generator have a variety of gas
Body.
According to above-mentioned technical proposal, the utility model has the beneficial effects that：
1, by the way that water-bath pot temperature is arranged, formaldehyde flow is adjusted, and then adjust the concentration for entering formaldehyde in reaction chamber, realized
Quickly, photocatalysis formaldehyde efficiency is quantitatively detected.
2, by the way that vacuum pump is arranged, the air and vapor of reaction chamber is effectively removed, realizes the air-tightness of reaction chamber.
3, by the way that gas generator is arranged, the air-tightness of reaction chamber is further realized, the photocatalysis such as pure oxygen can also be provided
Reaction condition.
4, utility model device small volume, easy to operate, is readily disassembled and assembles.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of rapid photocatalytic formaldehyde quantitative testing device of the utility model.
Specific implementation mode
The utility model is further described with attached drawing below in conjunction with specific embodiments.
It is with reference to the accompanying drawings and embodiments, right in order to keep the purpose of this utility model, technical solution and advantage clearer
The utility model is further described, it should be understood that specific embodiment described herein is only used to explain that this practicality is new
Type is not used to limit the utility model.
If Fig. 1 is a kind of embodiment of rapid photocatalytic formaldehyde quantitative testing device of the utility model, a kind of quick light is urged
Change formaldehyde quantitative testing device, including：Reaction chamber (2), the reaction chamber are opening door structure；The reaction chamber is equipped with pressure gauge
(3)；It is equipped with silicone sealing strip between reaction chamber door and the reaction chamber, and is fastened by Spring lock catch；The reaction chamber
Top is equipped with light source (5)；The light source has 2 illuminators, and light source frequency is adjustable；Position is equipped with wind to the reaction chamber up and down
It fans (10), for ensureing that gas flows；The reaction chamber bottom is equipped with sample support frame (11)；It is placed on the sample support frame
Sample (12)；The reaction chamber bottom is equipped with Hygrothermograph (13)；The reaction chamber side is connected with formaldehyde by tube at one end
Generating means；The formaldehyde generating means is that water-bath (15) coordinates intake valve (14)；The water-bath has various temperature；Institute
It states reaction chamber side and is connected with vacuum pump (4), remove the air and vapor of reaction chamber；The reaction chamber side is connected with gas
Generator (1)；The sampling mode is that gas flowmeter (9) connects gas dryer (8) and drexel bottle (7), while coordinating
Air valve (6), in conjunction with UV spectrophotometer measuring formaldehyde gas concentration.
The foregoing is merely the parts of specific embodiment of the present utility model, but the scope of protection of the utility model is simultaneously
Not limited to this, any one skilled in the art can readily occur within the technical scope disclosed by the utility model
Variation or replacement, should all cover and be within the protection scope of the utility model.Therefore the scope of protection of the utility model
It should be with scope of the claims.
Claims (9)
1. a kind of rapid photocatalytic formaldehyde quantitative testing device, which is characterized in that including：Reaction chamber, the reaction chamber are to open the door
Formula structure；Light source is equipped at the top of the reaction chamber；Position is equipped with fan to the reaction chamber up and down；The reaction chamber bottom is equipped with sample
Product supporting rack；Sample is placed on the sample support frame；The reaction chamber bottom is equipped with temperature humidity detection device；The reaction
Case side is connected with vacuum pump；The reaction chamber side is connected with gas generator；The reaction chamber side passes through tube at one end
It is connected with formaldehyde generating means；The reaction chamber side is connected with formaldehyde sampler.
2. a kind of rapid photocatalytic formaldehyde quantitative testing device according to claim 1, it is characterised in that the reaction chamber
Top is equipped with pressure gauge.
3. a kind of rapid photocatalytic formaldehyde quantitative testing device according to claim 1, it is characterised in that the reaction chamber
Silicone sealing strip is equipped between door and reaction chamber.
4. a kind of rapid photocatalytic formaldehyde quantitative testing device according to claim 1, it is characterised in that the reaction chamber
It is fastened by Spring lock catch between door and reaction chamber.
5. a kind of rapid photocatalytic formaldehyde quantitative testing device according to claim 1, it is characterised in that the light source tool
There are multiple illuminators, the illuminator that there is multi-frequency.
6. a kind of rapid photocatalytic formaldehyde quantitative testing device according to claim 1, it is characterised in that the formaldehyde hair
Generating apparatus is water-bath, and the water-bath has various temperature.
7. a kind of rapid photocatalytic formaldehyde quantitative testing device according to claim 1, it is characterised in that the formaldehyde takes
Sampling device is that air extractor coordinates drexel bottle sampling.
8. a kind of rapid photocatalytic formaldehyde quantitative testing device according to claim 1, it is characterised in that the temperature is wet
Degree detection device is Hygrothermograph.
9. a kind of rapid photocatalytic formaldehyde quantitative testing device according to claim 1, it is characterised in that the gas hair
There are many gases for raw utensil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820472260.2U CN208043645U (en) | 2018-03-29 | 2018-03-29 | A kind of rapid photocatalytic formaldehyde quantitative testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820472260.2U CN208043645U (en) | 2018-03-29 | 2018-03-29 | A kind of rapid photocatalytic formaldehyde quantitative testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208043645U true CN208043645U (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820472260.2U Active CN208043645U (en) | 2018-03-29 | 2018-03-29 | A kind of rapid photocatalytic formaldehyde quantitative testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596785A (en) * | 2018-12-27 | 2019-04-09 | 陕西师范大学 | A kind of experimental provision of monitoring material release gas |
-
2018
- 2018-03-29 CN CN201820472260.2U patent/CN208043645U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596785A (en) * | 2018-12-27 | 2019-04-09 | 陕西师范大学 | A kind of experimental provision of monitoring material release gas |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210108 Address after: 210012 102, building C05, building 10, No. 15, Fengji Avenue, Yuhuatai District, Nanjing City, Jiangsu Province Patentee after: Nanjing Yasen Leke smart home Co.,Ltd. Address before: Longpan road Xuanwu District of Nanjing city of Jiangsu Province, No. 159 210037 Patentee before: NANJING FORESTRY University |