Anti-pollution small-sized air purifying device for photocatalytically decomposing toxic gases

An air purification device and toxic gas technology, applied in the field of air purification, can solve the problems of easily adsorbing colored particles, inducing skin cancer, side effects, etc., and achieve the effect of being suitable for industrial production, flexible application range, and broad application prospects

Active Publication Date: 2016-06-01
陈廷翰
View PDF5 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this device has its inherent shortcomings that are difficult to overcome. One of its shortcomings is that due to the absorption and reflection of light by the carrier material, only the outermost layer of titanium oxide can realize the photocatalytic function, and most photocatalysts cannot Fully realize photocatalysis; the second disadvantage is that ultraviolet light may leak, affecting the health of the wearer's skin and even inducing skin cancer; the third disadvantage is that the photocatalyst is easy to absorb colored particles during the haze filtering process, resulting in the inability of light Effectively reach the semiconductor photocatalyst, so that the photocatalytic gas purification device cannot realize its function
In addition, when the photocatalytic effect fails, some hydrocarbons and nitrogen oxides will produce very complex chemical reactions under the irradiation of ultraviolet light, forming more toxic complex compounds, resulting in many side effects

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Anti-pollution small-sized air purifying device for photocatalytically decomposing toxic gases
  • Anti-pollution small-sized air purifying device for photocatalytically decomposing toxic gases

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Preparation of Photocatalytic Quartz Glass Fiber, Quartz Glass Fiber-TiO2 Nanowire Composite

[0031] ① Mix 30mL polyethylene glycol with a molecular weight of 6000 and 30mL water, and stir to form a transparent solution;

[0032] ②Add 2mmolK 2 TiO(C 2 o 4 ) 2 , stirred for 30min, and poured the mixed solution into a 100mL autoclave;

[0033] ③ Press quartz glass fiber and K 2 TiO(C 2 o 4 ) 2 The mass ratio is 100:20, take a quartz glass fiber with a diameter of 100 microns, cut it into a fiber segment with a length of 5 cm, tie the quartz glass fiber bundle at one end, and immerse the tied end down into the above-mentioned high-pressure reactor in the mixed solution;

[0034] ④Put the autoclave into a resistance furnace, and conduct a hydrothermal reaction at 100 degrees for 30 hours;

[0035] ⑤ Cool naturally after the hydrothermal reaction is completed, wash the quartz glass fiber bundles with pure water 5-6 times and dry them at 70°C for 12 hours to prepar...

Embodiment 2

[0046] ① Mix 6 mL of polyethylene glycol with a molecular weight of 4000 and 10 mL of water, and stir to form a transparent solution;

[0047] ②Add 2mmolK 2 TiO(C 2 o 4 ) 2 , stirred for 30min, and poured the mixed solution into a 50mL autoclave;

[0048] ③Take a quartz glass fiber with a diameter of 160 microns, cut it into a fiber section with a length of 5 cm, tie the quartz fiber bundle at one end, and put it into the above-mentioned high-pressure reactor, wherein the quartz fiber and K 2 TiO(C 2 o 4 ) 2 The mass ratio is 100:3;

[0049] ④Put the autoclave into a resistance furnace, and conduct a hydrothermal reaction at 165 degrees for 18 hours;

[0050] ⑤ Cool naturally after the completion of the hydrothermal reaction, wash the quartz glass fiber bundles with pure water several times and dry at 70°C for 12 hours to obtain a quartz glass fiber-titanium dioxide composite material.

[0051] ⑥ Bond the bundled end of the 2.7W LED UV lamp with the photocatalytic qua...

Embodiment 3

[0059] ① Mix 18mL polyethylene glycol with 20mL water and stir to form a transparent solution;

[0060] ②Add 2mmolK 2 TiO(C 2 o 4 ) 2 , stirred for 30min, and poured the mixed solution into a 50mL autoclave;

[0061] ③Take a quartz glass fiber with a diameter of 20 microns, cut it into a fiber section with a length of 5 cm, tie the quartz fiber bundle at one end, and put it into the above-mentioned high-pressure reactor, wherein the quartz fiber and K 2 TiO(C 2 o 4 ) 2 The mass ratio is 100:11.5;

[0062] ④Put the autoclave into a resistance furnace, and conduct a hydrothermal reaction at 230 degrees for 6 hours;

[0063] ⑤ Cool naturally after hydrothermal reaction, wash the quartz glass fiber bundles with pure water several times and dry at 70°C for 12 hours to obtain the quartz glass fiber-titanium dioxide composite material.

[0064] ⑥ Bond the bundled end of the 5W LED ultraviolet lamp with the photocatalytic quartz glass fiber bundle with a photoresist, spread t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
diameteraaaaaaaaaa
diameteraaaaaaaaaa
diameteraaaaaaaaaa
Login to view more

Abstract

The invention discloses an anti-pollution small-sized air purifying device for photocatalytically decomposing toxic gases. The small-sized air purifying device comprises a purifying device container, an upper cover plate, a lower cover plate, photocatalytic quartz glass fibers, an ultraviolet LED light source, a chargeable battery and a conducting wire, wherein the sizes of the upper cover plate and the lower cover plate correspond to the sizes of a top surface and a bottom surface of the container, holes are uniformly formed in the upper cover plate and the lower cover plate, the photocatalytic quartz glass fibers are distributed in the container, the ultraviolet LED light source is positioned in a central area of the upper cover plate, the chargeable battery is additionally arranged on the purifying device and provided with a switch, and the conducting wire is connected with the ultraviolet LED light source and the chargeable battery; a slot hole which is suitable for storing the ultraviolet LED light source is formed in the central area of the upper cover plate; and the ultraviolet light source is bonded with the tail ends of all photocatalytic quartz glass fibers in the container by virtue of encapsulation silica gel or photoresist and fixed in the slot hole in the central area of the upper cover plate. By utilizing inner conduction photocatalysis, the propagation process of the light is not affected by the pollution of the catalyst, the high-efficiency and long-service-life photocatalytic toxic gas decomposition and air purification can be realized, and the application prospect is wide.

Description

technical field [0001] The invention belongs to the technical field of air purification, in particular to an anti-pollution small air purification device for photocatalytically decomposing toxic gases. Background technique [0002] At present, smog has increasingly seriously affected the health of people, especially children. The hazards of smog to the human body are mainly inhalable particles and toxic gases in the smog, including: carbon monoxide, various hydrocarbons, nitrogen oxides, dioxins, and various aldehyde compounds. In order to protect the bodies of outdoor sports people from smog, people have invented PM2.5 smog filter devices for various masks, which can play a certain role in resisting smog. However, these PM2.5 filters and smog protective masks only pay attention to the harm of smog particles to the body, but do not have any purification effect on the toxic gases in the smog and the toxic gases adsorbed on the smog particles. Haze particles gather on the fi...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/88B01J21/08B01J35/06
CPCB01D53/88B01D2255/802B01D2258/06B01J21/08B01J35/004B01J35/06
Inventor 陈廷翰刘宏
Owner 陈廷翰
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap