CN105669010A - High-heat-exchange-rate corrosion-resistant tempered glass for air conditioners and preparation method thereof - Google Patents
High-heat-exchange-rate corrosion-resistant tempered glass for air conditioners and preparation method thereof Download PDFInfo
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- CN105669010A CN105669010A CN201510528292.0A CN201510528292A CN105669010A CN 105669010 A CN105669010 A CN 105669010A CN 201510528292 A CN201510528292 A CN 201510528292A CN 105669010 A CN105669010 A CN 105669010A
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Abstract
The invention discloses a high-heat-exchange-rate corrosion-resistant tempered glass for air conditioners and a preparation method thereof. A composition includes the following raw materials, by weight, 50-60 parts of solid potassium nitrate, 5-10 parts of solid potassium hydroxide, 3-7 parts of potassium silicate, 150-200 parts of high-temperature-resistant sodium aluminosilicate glass, 8-10 parts of hydrofluoric acid, 1-2 parts of diatomite, 1-2 parts of potassium permanganate powder, 1-2 parts of manganese dioxide powder, 2-3 parts of micro-pore medium alumina, 1-2 parts of micro-pore medium silicon nitride and 2-3 parts of hollow glass fibers. OH<-> in the KOH can be combined with a silicon-oxygen bond on surface of the glass and open the silicon-oxygen bond on surface of the glass, so that Na<+> in the glass can be replaced more easily and further K<+> in molten salt can enter the glass surface more easily, thereby further promoting ion exchange, reducing the ion exchange time and improving efficiency. Meanwhile, the potassium permanganate catalyst supported on the micro-pore medium alumina and the micro-pore medium silicon nitride and the manganese dioxide catalyst supported on the diatomite and the hollow glass fibers are employed for increasing activity of tempering liquid and increasing heat exchange rate of the glass.
Description
Technical field
The present invention relates to household electrical appliances industry toughened glass field, specifically relate to a kind of air-conditioning corrosion-resistant toughened glass of high heat transfer rate and its preparation method.
Background technology
So-called toughened glass is exactly the compressive stress layer that sheet glass is formed on its surface after heating-quench cooling method or the process of other method, to improve physical strength and the heat shock resistance intensity of glass, and when glass breakage, form granular debris to reduce dangerous a kind of shatter proof glass of causing injury.
As a kind of form of the most frequently used shatter proof glass, the intensity of toughened glass is 4-5 times of simple glass, and warping resistance degree is 3-5 times of simple glass, and resistance to impact shock is 5-10 times of simple glass. In addition, in the small shreds without acute angle after toughened glass is destroyed, cold anxious, the thermal properties of resistance to urgency has the raising of 2-3 times than simple glass, generally can bear the difference variation of more than 300 DEG C. Along with the development and progress of society, toughened glass is applied to more field, and toughened glass is also had higher requirement by people, particularly when toughened glass is applied to household electrical appliances manufacturing, while needing to meet safety requirements, in addition it is also necessary to accomplish environmental protection, green harmless, efficient etc.
Such as, when toughened glass is used for air-conditioning household electrical appliances, it is necessary on the basis of existing toughened glass, carry out modification so that it is there is strong good heat-sinking capability and corrosion resistance, like this when using and be arranged on open air, can have and effectively extend its work-ing life.
Summary of the invention
For solving the problems of the technologies described above, it is an object of the invention to provide a kind of air-conditioning corrosion-resistant toughened glass of high heat transfer rate and its preparation method.
For achieving the above object, the technical solution used in the present invention is:
A kind of air-conditioning corrosion-resistant toughened glass of high heat transfer rate, said composition comprises by the raw material of following weight part: saltpetre solid 50-60, potassium hydroxide solid 5-10, potassium silicate 3-7, high temperature resistant sodium aluminum silicate glass 150-200, hydrofluoric acid 8-10, diatomite 1-2, potassium permanganate powder 1-2, manganese dioxide powder 1-2, microporous medium aluminum oxide 2-3, microporous medium silicon nitride 1-2, hollow glass fibre 2-3.
An air-conditioning preparation method for the corrosion-resistant toughened glass of high heat transfer rate, comprises the following steps:
(1) get saltpetre solid, potassium hydroxide solid, potassium silicate be heated to 380 DEG C, it is stirred to dissolving, later half in slowly add microporous medium aluminum oxide, microporous medium silicon nitride and stir 1-3h to mixing, and with 390 DEG C be incubated 30-60min, obtain tempering liquid one for subsequent use; Second half slowly adds diatomite and hollow glass fibre and stirs 1-2h to mixing, and be incubated 30-60min with 390 DEG C, obtain tempering liquid two for subsequent use;
(2) get high temperature resistant sodium aluminum silicate glass and first it is warming up to 300-380 DEG C, insulation 30-90min, process 10-20min with hydrofluoric acid spraying afterwards, put into the tempering liquid one of 380 DEG C afterwards, continue upset, add potassium permanganate powder simultaneously and continue to stir 3-5h, add tempering liquid two afterwards, continue upset glass, add manganese dioxide powder simultaneously and continue to stir 3-5h, at 400 DEG C, leave standstill 8-10h carry out ion-exchange, obtain the glass that ion exchange treatment crosses for subsequent use;
(3) glass after ion-exchange moves into rapidly in the annealing furnace with fused salt groove temperature close, with the cooling rate of 5 DEG C/min-10 DEG C/min annealing 3-5h, complete first time annealing, again, move in the annealing furnace with fused salt groove temperature close, with the cooling rate of 5 DEG C/min-10 DEG C/min annealing 2-5h, to obtain final product.
The useful effect of the present invention:
The OH of KOH of the present invention-Can be combined with the siloxane bond of glass surface and open the siloxane bond of glass surface, make the Na in glass+More easily out replaced, the K in fused salt+More easily enter glass glass surface, thus promote ion-exchange further, be conducive to shortening ion-exchange time, it is to increase efficiency. The manganese dioxide-catalyst simultaneously adopting microporous medium aluminum oxide, the potassium permanganate catalyzer of microporous medium silicon nitride and diatomite thereof and hollow glass fibre to carry respectively, while adding tempering liquid activity, also increases the heat exchange rate of glass. Meanwhile, by microporous medium aluminum oxide, microporous medium silicon nitride, the surface modification of toughened glass is existed, add resistance to corrosion.
Embodiment
Below in conjunction with specific embodiment, technical scheme of the present invention is further described.
Embodiment 1:
A kind of air-conditioning corrosion-resistant toughened glass of high heat transfer rate, said composition comprises by the raw material of following weight (kg): saltpetre solid 50, potassium hydroxide solid 5, potassium silicate 3, high temperature resistant sodium aluminum silicate glass 150, hydrofluoric acid 8, diatomite 2, potassium permanganate powder 2, manganese dioxide powder 2, microporous medium aluminum oxide 3, microporous medium silicon nitride 2, hollow glass fibre 3.
An air-conditioning preparation method for the corrosion-resistant toughened glass of high heat transfer rate, comprises the following steps:
(1) get saltpetre solid, potassium hydroxide solid, potassium silicate be heated to 380 DEG C, it is stirred to dissolving, later half in slowly add microporous medium aluminum oxide, microporous medium silicon nitride and stir 1-3h to mixing, and with 390 DEG C be incubated 30-60min, obtain tempering liquid one for subsequent use; Second half slowly adds diatomite and hollow glass fibre and stirs 1-2h to mixing, and be incubated 30-60min with 390 DEG C, obtain tempering liquid two for subsequent use;
(2) get high temperature resistant sodium aluminum silicate glass and first it is warming up to 300-380 DEG C, insulation 30-90min, process 10-20min with hydrofluoric acid spraying afterwards, put into the tempering liquid one of 380 DEG C afterwards, continue upset, add potassium permanganate powder simultaneously and continue to stir 3-5h, add tempering liquid two afterwards, continue upset glass, add manganese dioxide powder simultaneously and continue to stir 3-5h, at 400 DEG C, leave standstill 8-10h carry out ion-exchange, obtain the glass that ion exchange treatment crosses for subsequent use;
(3) glass after ion-exchange moves into rapidly in the annealing furnace with fused salt groove temperature close, with the cooling rate of 5 DEG C/min-10 DEG C/min annealing 3-5h, complete first time annealing, again, move in the annealing furnace with fused salt groove temperature close, with the cooling rate of 5 DEG C/min-10 DEG C/min annealing 2-5h, to obtain final product.
Embodiment 2:
A kind of air-conditioning corrosion-resistant toughened glass of high heat transfer rate, said composition comprises by the raw material of following weight (kg): saltpetre solid 55, potassium hydroxide solid 7.5, potassium silicate 5, high temperature resistant sodium aluminum silicate glass 175, hydrofluoric acid 9, diatomite 1.5, potassium permanganate powder 1.5, manganese dioxide powder 1.5, microporous medium aluminum oxide 2.5, microporous medium silicon nitride 1.5, hollow glass fibre 2.5.
An air-conditioning preparation method for the corrosion-resistant toughened glass of high heat transfer rate, comprises the following steps:
(1) get saltpetre solid, potassium hydroxide solid, potassium silicate be heated to 380 DEG C, it is stirred to dissolving, later half in slowly add microporous medium aluminum oxide, microporous medium silicon nitride and stir 1-3h to mixing, and with 390 DEG C be incubated 30-60min, obtain tempering liquid one for subsequent use; Second half slowly adds diatomite and hollow glass fibre and stirs 1-2h to mixing, and be incubated 30-60min with 390 DEG C, obtain tempering liquid two for subsequent use;
(2) get high temperature resistant sodium aluminum silicate glass and first it is warming up to 300-380 DEG C, insulation 30-90min, process 10-20min with hydrofluoric acid spraying afterwards, put into the tempering liquid one of 380 DEG C afterwards, continue upset, add potassium permanganate powder simultaneously and continue to stir 3-5h, add tempering liquid two afterwards, continue upset glass, add manganese dioxide powder simultaneously and continue to stir 3-5h, at 400 DEG C, leave standstill 8-10h carry out ion-exchange, obtain the glass that ion exchange treatment crosses for subsequent use;
(3) glass after ion-exchange moves into rapidly in the annealing furnace with fused salt groove temperature close, with the cooling rate of 5 DEG C/min-10 DEG C/min annealing 3-5h, complete first time annealing, again, move in the annealing furnace with fused salt groove temperature close, with the cooling rate of 5 DEG C/min-10 DEG C/min annealing 2-5h, to obtain final product.
Embodiment 3:
A kind of air-conditioning corrosion-resistant toughened glass of high heat transfer rate, said composition comprises by the raw material of following weight (kg): saltpetre solid 60, potassium hydroxide solid 10, potassium silicate 7, high temperature resistant sodium aluminum silicate glass 200, hydrofluoric acid 10, diatomite 1, potassium permanganate powder 1, manganese dioxide powder 1, microporous medium aluminum oxide 2, microporous medium silicon nitride 1, hollow glass fibre 2.
An air-conditioning preparation method for the corrosion-resistant toughened glass of high heat transfer rate, comprises the following steps:
(1) get saltpetre solid, potassium hydroxide solid, potassium silicate be heated to 380 DEG C, it is stirred to dissolving, later half in slowly add microporous medium aluminum oxide, microporous medium silicon nitride and stir 1-3h to mixing, and with 390 DEG C be incubated 30-60min, obtain tempering liquid one for subsequent use; Second half slowly adds diatomite and hollow glass fibre and stirs 1-2h to mixing, and be incubated 30-60min with 390 DEG C, obtain tempering liquid two for subsequent use;
(2) get high temperature resistant sodium aluminum silicate glass and first it is warming up to 300-380 DEG C, insulation 30-90min, process 10-20min with hydrofluoric acid spraying afterwards, put into the tempering liquid one of 380 DEG C afterwards, continue upset, add potassium permanganate powder simultaneously and continue to stir 3-5h, add tempering liquid two afterwards, continue upset glass, add manganese dioxide powder simultaneously and continue to stir 3-5h, at 400 DEG C, leave standstill 8-10h carry out ion-exchange, obtain the glass that ion exchange treatment crosses for subsequent use;
(3) glass after ion-exchange moves into rapidly in the annealing furnace with fused salt groove temperature close, with the cooling rate of 5 DEG C/min-10 DEG C/min annealing 3-5h, complete first time annealing, again, move in the annealing furnace with fused salt groove temperature close, with the cooling rate of 5 DEG C/min-10 DEG C/min annealing 2-5h, to obtain final product.
The toughened glass salient features detected result that above-described embodiment 1-3 obtains is as shown in table 1:
The salient features detected result of the toughened glass that table 1 embodiment 1-3 is obtained
| Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Surface stress MPa | 946.18 | 912.28 | 860.35 |
| The coefficient of heat transfer | 0.895 | 0.912 | 0.945 |
| Young's modulus MPa | 80.37 | 76.42 | 70.12 |
| Knoop hardness (Kg/mm2) | 593.02 | 571.14 | 549.22 |
Claims (2)
1. the air-conditioning corrosion-resistant toughened glass of high heat transfer rate, it is characterized in that, said composition comprises by the raw material of following weight part: saltpetre solid 50-60, potassium hydroxide solid 5-10, potassium silicate 3-7, high temperature resistant sodium aluminum silicate glass 150-200, hydrofluoric acid 8-10, diatomite 1-2, potassium permanganate powder 1-2, manganese dioxide powder 1-2, microporous medium aluminum oxide 2-3, microporous medium silicon nitride 1-2, hollow glass fibre 2-3.
2. the air-conditioning as claimed in claim 1 preparation method of the corrosion-resistant toughened glass of high heat transfer rate, it is characterised in that, comprise the following steps:
(1) get saltpetre solid, potassium hydroxide solid, potassium silicate be heated to 380 DEG C, it is stirred to dissolving, later half in slowly add microporous medium aluminum oxide, microporous medium silicon nitride and stir 1-3h to mixing, and with 390 DEG C be incubated 30-60min, obtain tempering liquid one for subsequent use; Second half slowly adds diatomite and hollow glass fibre and stirs 1-2h to mixing, and be incubated 30-60min with 390 DEG C, obtain tempering liquid two for subsequent use;
(2) get high temperature resistant sodium aluminum silicate glass and first it is warming up to 300-380 DEG C, insulation 30-90min, process 10-20min with hydrofluoric acid spraying afterwards, put into the tempering liquid one of 380 DEG C afterwards, continue upset, add potassium permanganate powder simultaneously and continue to stir 3-5h, add tempering liquid two afterwards, continue upset glass, add manganese dioxide powder simultaneously and continue to stir 3-5h, at 400 DEG C, leave standstill 8-10h carry out ion-exchange, obtain the glass that ion exchange treatment crosses for subsequent use;
(3) glass after ion-exchange moves into rapidly in the annealing furnace with fused salt groove temperature close, with the cooling rate of 5 DEG C/min-10 DEG C/min annealing 3-5h, complete first time annealing, again, move in the annealing furnace with fused salt groove temperature close, with the cooling rate of 5 DEG C/min-10 DEG C/min annealing 2-5h, to obtain final product.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106630617A (en) * | 2016-12-06 | 2017-05-10 | 巢湖市伟业玻璃有限公司 | High-strength anti-cracking and high temperature-resistant safety glass for microwave oven |
| CN107129134A (en) * | 2017-05-23 | 2017-09-05 | 句容耀皮节能玻璃科技发展有限公司 | A kind of corrosion-resistant antifreeze safety glass |
| CN107663025A (en) * | 2017-09-27 | 2018-02-06 | 滕州市丰华玻璃有限公司 | A kind of safety glass and preparation method thereof |
| CN113402178A (en) * | 2021-06-24 | 2021-09-17 | 翔实光电科技(昆山)有限公司 | Glass chemical toughening accelerating catalyst and use method thereof |
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| CN106630617A (en) * | 2016-12-06 | 2017-05-10 | 巢湖市伟业玻璃有限公司 | High-strength anti-cracking and high temperature-resistant safety glass for microwave oven |
| CN107129134A (en) * | 2017-05-23 | 2017-09-05 | 句容耀皮节能玻璃科技发展有限公司 | A kind of corrosion-resistant antifreeze safety glass |
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| CN113402178A (en) * | 2021-06-24 | 2021-09-17 | 翔实光电科技(昆山)有限公司 | Glass chemical toughening accelerating catalyst and use method thereof |
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Application publication date: 20160615 |