CN104492500B - Cellular glass optical catalyst carrier and preparation method thereof - Google Patents
Cellular glass optical catalyst carrier and preparation method thereof Download PDFInfo
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- CN104492500B CN104492500B CN201410756877.3A CN201410756877A CN104492500B CN 104492500 B CN104492500 B CN 104492500B CN 201410756877 A CN201410756877 A CN 201410756877A CN 104492500 B CN104492500 B CN 104492500B
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Abstract
The invention discloses a kind of cellular glass optical catalyst carriers and preparation method thereof, the described method comprises the following steps, melten glass；Glass metal is flowed out by nozzle, obtains semi-vitreous glass fiber；Semi-vitreous glass fiber is subjected to stacked in multi-layers according to certain structure, is bonded using the adhesiveness of itself, obtains porous foamed glass carrier.The stomata on obtained porous glass matrix with connection not only has good air penetrability, but also has certain intensity, airflow smooth can be made to pass through, while the structure translucency of the present invention is good, all directions are both transparent for light, the catalytic capability of photocatalyst material can be made full use of, treating capacity is improved.The preparation method of the present invention simultaneously, it is simple for process, it further, is modified by hydroxylating, the adhesive force between reinforcing glass carrier and photocatalyst material avoids photocatalyst from falling off.
Description
Technical field
The present invention relates to a kind of optical catalyst carriers, and in particular to a kind of cellular glass optical catalyst carrier and preparation method thereof.
Background technology
Photocatalyst is a kind of using Nano titanium dioxide as the total of the photosemiconductor material with photo-catalysis function of representative
Claim, is current one of the safest material for administering indoor environmental pollution in the world.
Photocatalyst will produce similar photosynthetic light-catalyzed reaction, it is extremely strong to produce oxidability under the irradiation of light
Free hydroxy and active oxygen, have the function of very strong photoredox, it is oxidable to decompose various organic compounds and part
Inorganic matter can destroy the protein of the cell membrane and solidification virus of bacterium, bacterium and decomposing organic pollutant can be killed, organic
Pollutant resolves into free of contamination water（H2O）, carbon dioxide（CO2）With other innocuous substances, thus with extremely strong sterilization, remove
Smelly, mould proof, anti-fouling and self-cleaning, air purification function.
Since photocatalyst is typically that pulverulent solids either lyosol is presented, accordingly, it is desirable to provide attached convenient for photocatalyst
The carrier.The catalytic activity of photocatalyst is mainly influenced by the following conditions：Illumination condition, photocatalyst itself performance, light touch
Area that matchmaker contacts with air, speed air flow etc., thus the selection then performance to the catalytic activity of photocatalyst of carrier
There is larger impact.Currently used carrier has ceramic honey comb, glass fiber mesh, stainless (steel) wire etc..
If file CN101811070 discloses a kind of ceramic photocatalyst carrier, plural item is disposed in the ceramic monolith
The gap of front and back perforation is attached with photocatalyst material inside gap.This cellular ceramic substrate, although ventilative, translucency
Can be bad, it can also play a role with regard to carrier surface photocatalyst, internal photocatalyst is difficult to play catalytic action.
CN101618288 discloses a kind of fiberglass-based photocatalysis filter screen, applies external force to glass fiber bundle, is processed into
Glass fiber mesh sticks agent in glass fibre net surface coating adhesive, then sprays the organic solution containing photochemical catalyst on it, this
Kind glass fiber mesh, although there is hole, hole is smaller, and intensity is relatively low, in use, air flows slower, clean-up effect one
As.And adhesive etc. is easy to be decomposed by photochemical catalyst during later stage use, to keep the photochemical catalyst in online face de-
It falls.And the glass fiber of threadiness, for a diameter of several microns of monofilament to tens microns, translucency decline can not be fine
Improvement carrier light transmittance.
And stainless (steel) wire etc., it is opaque although intensity is high, and the catalysis work of photocatalyst can not be played very well
Property.
Invention content
The technical problem to be solved by the present invention is to：It provides that a kind of intensity is good, light transmittance is high while being convenient for air circulation again
Cellular glass optical catalyst carrier and preparation method thereof.
The solution that the present invention solves its technical problem is：A kind of preparation method of cellular glass optical catalyst carrier, packet
Include following steps,
Melten glass；
Glass metal is flowed out by nozzle, obtains semi-vitreous glass fiber；
Semi-vitreous glass fiber is subjected to stacked in multi-layers according to certain structure, is bonded using the adhesiveness of itself,
Obtain porous foamed glass carrier.
As being further improved for said program, in order to improve the attachment between glass carrier and nano photocatalyst catalytic material
Power can also include,
Hydroxylating processing is carried out to obtained cellular glass carrier；
To the solution of hydroxylating treated glass carrier dip-coating contains nano photocatalyst catalytic material.
Preferably, contain nano titanic oxide sol in the solution.
Further, in order to enhance the intensity of carrier, intensive treatment can also be carried out to foamed glass carrier.It is preferred that
Ground carries out intensive treatment using ion-exchange or heat, cold exchange process.
The present invention also provides the cellular glass optical catalyst carriers prepared by the above method.
The beneficial effects of the invention are as follows：The preparation method of cellular glass optical catalyst carrier provided by the invention, it is simple for process,
It obtains made of carrier stacks by glass fiber, there is the stomata of connection on carrier, not only there is good air penetrability, but also with certain
Intensity, airflow smooth can be made to pass through, while translucency is good, all directions are both transparent for light, make full use of photocatalyst material
The catalytic capability of material improves treating capacity.Further, the solution of the present invention is modified by hydroxylating, reinforcing glass carrier with receive
Adhesive force between rice photocatalyst material, avoids photocatalyst from falling off.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiment of the present invention, rather than is all implemented
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the preparation facilities schematic diagram of the cellular glass carrier of the embodiment of the present invention；
Fig. 2 is the cellular glass photocatalyst carrier structure schematic diagram of the embodiment of the present invention；
Fig. 3 is the photocatalysis experimental provision schematic diagram of the embodiment of the present invention.
Specific implementation mode
Below with reference to embodiment and attached drawing to the present invention design and generation technique effect carry out it is clear, completely retouch
It states, to be completely understood by the purpose of the present invention, feature and effect.
The glass fiber mentioned in the present invention program has millimetre-sized diameter, is different from filament, diameter is in several microns
To tens microns.
A kind of preparation method of cellular glass optical catalyst carrier of the present invention, implementation are as shown in Figure 1：Including a spray
Mouth 3, lower section are equipped with platform, by the relative motion between platform and nozzle 3, realize the stacking of semi-molten glass fiber 1；Specifically
Include the following steps：
Melten glass；
Glass metal is flowed out by nozzle 3, obtains semi-vitreous glass fiber 1；
Semi-vitreous glass fiber 1 is subjected to stacked in multi-layers according to certain structure, is bonded using the adhesiveness of itself,
Obtain porous foamed glass carrier.
The method of the present invention is realized viscous by controlling cooling velocity using the adhesiveness of semi-molten state glass fiber 1 itself
Knot, can also apply certain external force.Nozzle 3 can be single or multiple, and the mode that glass fiber 1 stacks is unlimited, Ke Yishi
Spiral shape stacks, and can be linear stacking etc., as long as porous skeleton structure can be formed, has the stomata of connection, full
The needs of sufficient carrier, the structure of the glass carrier of obtained one of embodiment is as shown in Fig. 2, carrier is by millimeter
Made of the glass fiber 1 of grade stacks, there is the stomata 2 of connection on carrier.
Further, in order to improve the adhesive force between catalysis material and glass carrier, it can also increase and glass is carried
Body carries out the step of hydroxylating processing.I.e. a kind of preparation method of cellular glass carrier, includes the following steps：
Melten glass；
Glass metal is flowed out by nozzle 3, obtains semi-vitreous glass fiber 1；
Semi-vitreous glass fiber 1 is subjected to stacked in multi-layers according to certain structure, is bonded using the adhesiveness of itself,
Obtain porous foamed glass carrier.
Hydroxylating processing is carried out to cellular glass carrier；
To the solution of hydroxylating treated glass carrier dip-coating contains nano photocatalyst catalytic material.
Handled by hydroxylating, the hydroxy radical content of glass surface can be increased, to using glass surface hydroxyl and receive
The hydroxyl on rice photocatalyst material surface improves the adhesive force between glass carrier and nano photocatalyst catalytic material by Hydrogenbond.
Hydroxylating processing can carry out hydroxylating processing by using acid, hydrogen peroxide dipping etc., can also pass through plasma treatment etc..
Preferably, contain nano titanic oxide sol in the solution.
Further, in order to enhance the intensity of carrier, intensive treatment can also be carried out to foamed glass carrier.I.e. in hydroxyl
Baseization processing before to glass carrier carry out intensive treatment, or it is hydroxylated and meanwhile to glass baseplate carry out intensive treatment.
Preferably, intensive treatment is carried out using ion-exchange or heat, cold exchange process.
With reference to specific preferred embodiment, the scheme that further illustrates the present invention.
Embodiment 1
Using device as shown in Figure 1, melting stacks out a kind of cellular glass optical catalyst carrier as shown in Figure 2, carrier
It is made of being stacked by diameter=1mm glass fiber 1, there are the stomata 2 of connection, hole diameter 1mm, carrier dimensions on carrier
0.5*0.5*0.5m；
Then oxygen gas plasma processing is carried out to carrier, increases surface hydroxyl；
The nano titanic oxide sol of dip-coating a concentration of 0.1% again, it is dry；Obtain the cellular glass photocatalyst for experiment
Carrier.
Comparative example 1
The stainless steel photocatalysis net superimposed body of manufacture same size, porosity；The nanometer two of same dip-coating a concentration of 0.1%
Titanium oxide sol.
Comparative example 2
Same size 0.5*0.5*0.5m glass fibre photocatalysis net superimposed bodys；The nanometer titanium dioxide of dip-coating a concentration of 0.1%
Titanium colloidal sol.
Carrier in embodiment 1 and comparative example 1 and 2 is placed under the same conditions, photocatalysis experiment, experiment dress are carried out
It sets as shown in figure 3, experiment condition is as follows：
UV light sources are supplied in 6 directions of carrier body simultaneously；
Environment toluene initial concentration 5mg/m3；
Ambient humidity is more than 30%.；
Test result：
Embodiment 1：
Environment toluene concentration declines 30% within 5 minutes
Environment toluene concentration declines 90% within 0.5 hour
Comparative example 1：
Environment toluene concentration declines 10% within 5 minutes
Environment toluene concentration declines 30% within 0.5 hour
Environment toluene concentration declines 50% within 1.0 hours
Environment toluene concentration declines 70% within 1.5 hours
Environment toluene concentration declines 85% within 2.0 hours
Environment toluene concentration declines 90% within 3.0 hours
Comparative example 2
Environment toluene concentration declines 10% within 5 minutes
Environment toluene concentration declines 35% within 0.5 hour
Environment toluene concentration declines 60% within 1.0 hours
Environment toluene concentration declines 80% within 1.5 hours
Environment toluene concentration declines 90% within 2.0 hours
According to result above as can be seen that the celluar glass ceramics carrier of the present invention has preferably catalytic effect.
The better embodiment of the present invention is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make various equivalent modifications or be replaced under the premise of without prejudice to spirit of that invention
It changes, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (6)
1. a kind of preparation method of cellular glass optical catalyst carrier, it is characterised in that：Include the following steps,
Melten glass；
Glass metal is flowed out by nozzle, obtains the glass fiber of semi-vitreous grade diameter；
Semi-vitreous glass fiber is subjected to stacked in multi-layers according to certain structure, is bonded, is obtained using the adhesiveness of itself
Porous foamed glass carrier.
2. preparation method according to claim 1, which is characterized in that further include：
Hydroxylating processing is carried out to obtained cellular glass carrier；
To the solution of hydroxylating treated glass carrier dip-coating contains nano photocatalyst catalytic material.
3. preparation method according to claim 2, which is characterized in that contain nano titanic oxide sol in the solution.
4. according to claims 1 to 3 any one of them preparation method, which is characterized in that further include：
Intensive treatment is carried out to foamed glass carrier.
5. preparation method according to claim 4, which is characterized in that the intensive treatment be using ion-exchange or
Hot, cold exchange process.
6. a kind of cellular glass optical catalyst carrier, which is characterized in that using such as Claims 1 to 5 any one of them method system
It is standby.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410756877.3A CN104492500B (en) | 2014-12-10 | 2014-12-10 | Cellular glass optical catalyst carrier and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410756877.3A CN104492500B (en) | 2014-12-10 | 2014-12-10 | Cellular glass optical catalyst carrier and preparation method thereof |
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| CN104492500A CN104492500A (en) | 2015-04-08 |
| CN104492500B true CN104492500B (en) | 2018-08-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108905498A (en) * | 2018-07-05 | 2018-11-30 | 吴亚琴 | A method of material for air purification carrier is prepared using scrap glass |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051715A (en) * | 1989-11-13 | 1991-05-29 | Ppg工业公司 | Improving one's methods of program control glass wire thread supplying device and manufacturing glass fiber mesh |
| EP2617492A1 (en) * | 2010-09-15 | 2013-07-24 | International Frontier Technology Laboratory Inc. | Glass with photocatalytic function |
-
2014
- 2014-12-10 CN CN201410756877.3A patent/CN104492500B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1051715A (en) * | 1989-11-13 | 1991-05-29 | Ppg工业公司 | Improving one's methods of program control glass wire thread supplying device and manufacturing glass fiber mesh |
| EP2617492A1 (en) * | 2010-09-15 | 2013-07-24 | International Frontier Technology Laboratory Inc. | Glass with photocatalytic function |
Non-Patent Citations (1)
| Title |
|---|
| 固载TiO2光催化剂的制备与光催化性能;杨新宇等;《合肥工业大学学报（自然科学版）》;20070831;第30卷(第8期);第1.1，1.1.1节 * |
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