CN104829127A - Float glass flux and preparation method thereof - Google Patents
Float glass flux and preparation method thereof Download PDFInfo
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- CN104829127A CN104829127A CN201510177831.0A CN201510177831A CN104829127A CN 104829127 A CN104829127 A CN 104829127A CN 201510177831 A CN201510177831 A CN 201510177831A CN 104829127 A CN104829127 A CN 104829127A
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Abstract
The invention relates to a float glass flux, which is prepared from the following raw materials by weight: 2-2.5 parts of cerium nitrate, an appropriate amount of distilled water, 25-30 parts of calcium oxide, 10-15 parts of sodium sulfate, 2-3 parts of sodium bicarbonate, 40-45 parts of bismuth oxide, 4-5 parts of boron oxide, 3-4 parts of silica sol, and a proper amount of ammonia water. According to the present invention, the flux contains calcium oxide, bismuth oxide and boron oxide, provides a good fluxing effect, and is matched with sodium carbonate so as to provide more excellent fluxing effect compared with the single use of sodium carbonate, and the melting temperature can be reduced by more than or equal to 100 DEG C so as to provide advantages of energy saving and emission reducing; and with the process, the nano-scale cerium oxide is wrapped on the particle surface, the pores full of negative pressure inside are contained so as to adsorb the small gas seeds, and sodium sulfate is added so as to progressively clarify and quickly and completely eliminate the gas seeds.
Description
Technical field
The present invention relates to glass manufacturing area, particularly relate to a kind of float glass fusing assistant and preparation method thereof.
Background technology
Float glass is a kind of method that sheet glass is produced, in the production of float glass, there is a very important link to be put into continuously in the middle of melting furnaces by batch charger by admixtion to melt, formed even, pure, transparent through heat and meet forming requirements, the process of continuous in glass, single liquid phase, be one of main phase in glass manufacturing process, found speed and the reasonableness of founding and the Yield and quality of glass, qualification rate, production cost, fuel consumption and tank furnace life-span etc. are had a significant impact.The melting process of glass comprises 5 stages, i.e. the formation of the formation of silicate, glass, the clarification of glass, the homogenizing of glass and cooling.
In order to improve the quality of float glass, its temperature of fusion is improved constantly, and the temperature of current float glass smelting kiln flame space, up to 1580 DEG C, is generally Na for the composition of fluxing
2o, generally has soda ash to introduce, Na
2o has wide material sources, lower-cost feature as float glass fusing assistant, but it is limited to there is fluxing capabilities, and sodium ion easily migrates to glass surface, and glass can be made to produce the phenomenon of " mouldy ".
Also fluorite is usually adopted to introduce fluorochemical as fusing assistant in prior art.When using fluorite, in kiln, glass melting process is a pyroreaction, uses the glass metal containing fluorine element can cause Eroded to kiln pool wall, reduces the work-ing life of kiln and the security of production.And a large amount of fluorochemicals produced in process of production in air, cause topsoil with fume emission.
Therefore need to improve fusing assistant, to improve the performance of glass, save energy, extend the work-ing life of melting furnaces, protection of the environment.
Summary of the invention
The object of the present invention is to provide a kind of float glass fusing assistant, this fusing assistant has good fluxing action, sodium carbonate is coordinated to use, than being used alone sodium carbonate, there is more excellent fluxing action, reduce temperature of fusion more than 100 DEG C, energy-saving and emission-reduction, can super capacity, eliminates seed rapidly and thoroughly.
Technical scheme of the present invention is as follows:
A kind of float glass fusing assistant, is characterized in that being made up of the raw material of following weight part: cerous nitrate 2-2.5, distilled water are appropriate, calcium oxide 25-30, sodium sulfate 10-15, sodium bicarbonate 2-3, bismuth oxide 40-45, boron oxide 4-5, silicon sol 3-4, ammoniacal liquor are appropriate.
The production method of described float glass fusing assistant, is characterized in that:
(1) by sodium bicarbonate, bismuth oxide, boron oxide mixing, pulverize, mix with silicon sol, dry, pulverize to particle diameter is at normal temperatures 1-100 micron, obtains powder;
(2) powder that (1) step obtains is added the distilled water of 3-4 times of weight part, ultrasonic disperse 10-15 minute, obtain A mixed slurry; Cerous nitrate is added the distilled water of 2-3 times of weight part, stir, obtain B solution;
(3) A mixed slurry is heated to 60-80 DEG C, carries out magnetic agitation, add B solution while stirring, stir, then drip ammoniacal liquor, be adjusted to pH value to 9, stirring reaction 60-70 minute, obtains mixed slurry;
(4) mixed slurry (3) step obtained leaves standstill 24 hours, carries out suction filtration, and with distilled water wash filter cake 3-4 time, drying, obtains particle;
(5) particle that (4) step obtains is calcined 30-40 minute at 250-300 DEG C, take out, pulverize, mix with other remaining components, to obtain final product.
Coordinate sodium oxide to use during use, sodium oxide is introduced by sodium carbonate, and the amount of sodium oxide is the 14wt% of glass weight, and the usage quantity of this fusing assistant is the 2-2.5wt% of sodium oxide.
Beneficial effect of the present invention
Fusing assistant of the present invention contains calcium oxide, bismuth oxide, boron oxide, has good fluxing action, coordinating sodium carbonate to use, having more excellent fluxing action than being used alone sodium carbonate, reduce temperature of fusion more than 100 DEG C, energy-saving and emission-reduction; Add the present invention process nano level cerium oxide that made particle surface coated, containing the inner pore being full of negative pressure, adsorb little seed, with the addition of sodium sulfate simultaneously, can super capacity, eliminate seed rapidly and thoroughly.
Embodiment
A kind of float glass fusing assistant, is made up of the raw material of following weight part (kilogram): cerous nitrate 2.3, distilled water are appropriate, calcium oxide 28, sodium sulfate 13, sodium bicarbonate 2.5, bismuth oxide 43, boron oxide 4.5, silicon sol 3.5, ammoniacal liquor are appropriate.
The production method of described float glass fusing assistant, is characterized in that:
(1) by sodium bicarbonate, bismuth oxide, boron oxide mixing, pulverize, mix with silicon sol, dry, pulverize to particle diameter is at normal temperatures 1-100 micron, obtains powder;
(2) powder that (1) step obtains is added the distilled water of 3 times of weight parts, ultrasonic disperse 13 minutes, obtains A mixed slurry; Cerous nitrate is added the distilled water of 2 times of weight parts, stir, obtain B solution;
(3) A mixed slurry is heated to 70 DEG C, carries out magnetic agitation, add B solution while stirring, stir, then drip ammoniacal liquor, be adjusted to pH value to 9, stirring reaction 65 minutes, obtains mixed slurry;
(4) mixed slurry (3) step obtained leaves standstill 24 hours, carries out suction filtration, with distilled water wash filter cake 3 times, dry, obtains particle;
(5) particle that (4) step obtains is calcined 35 minutes at 270 DEG C, take out, pulverize, mix with other remaining components, to obtain final product.
Coordinate sodium oxide to use during use, sodium oxide is introduced by sodium carbonate, and the amount of sodium oxide is the 14wt% of glass weight, and the usage quantity of this fusing assistant is the 2.3wt% of sodium oxide.
Experimental data: use this fusing assistant to produce glass, and utilize the high temperature viscosity of High Temperature Rotating viscosity apparatus tested glass, when the viscosity of glass melt reaches 10Pa.S, corresponding temperature of fusion is 1415 DEG C, lower than the float glass temperature of fusion not adding this fusing assistant 95 DEG C.
Claims (2)
1. a float glass fusing assistant, is characterized in that being made up of the raw material of following weight part: cerous nitrate 2-2.5, distilled water are appropriate, calcium oxide 25-30, sodium sulfate 10-15, sodium bicarbonate 2-3, bismuth oxide 40-45, boron oxide 4-5, silicon sol 3-4, ammoniacal liquor are appropriate.
2. the production method of float glass fusing assistant according to claim 1, is characterized in that:
(1) by sodium bicarbonate, bismuth oxide, boron oxide mixing, pulverize, mix with silicon sol, dry, pulverize to particle diameter is at normal temperatures 1-100 micron, obtains powder;
(2) powder that (1) step obtains is added the distilled water of 3-4 times of weight part, ultrasonic disperse 10-15 minute, obtain A mixed slurry; Cerous nitrate is added the distilled water of 2-3 times of weight part, stir, obtain B solution;
(3) A mixed slurry is heated to 60-80 DEG C, carries out magnetic agitation, add B solution while stirring, stir, then drip ammoniacal liquor, be adjusted to pH value to 9, stirring reaction 60-70 minute, obtains mixed slurry;
(4) mixed slurry (3) step obtained leaves standstill 24 hours, carries out suction filtration, and with distilled water wash filter cake 3-4 time, drying, obtains particle;
(5) particle that (4) step obtains is calcined 30-40 minute at 250-300 DEG C, take out, pulverize, mix with other remaining components, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510177831.0A CN104829127A (en) | 2015-04-15 | 2015-04-15 | Float glass flux and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510177831.0A CN104829127A (en) | 2015-04-15 | 2015-04-15 | Float glass flux and preparation method thereof |
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| CN104829127A true CN104829127A (en) | 2015-08-12 |
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| CN201510177831.0A Pending CN104829127A (en) | 2015-04-15 | 2015-04-15 | Float glass flux and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101565323A (en) * | 2009-06-05 | 2009-10-28 | 哈尔滨工业大学（威海） | Method for preparing microcrystalline glass composite material containing alumina |
| CN101948243A (en) * | 2010-09-27 | 2011-01-19 | 武汉理工大学 | Compound fluxing agent for float glass |
| CN102643021A (en) * | 2012-05-09 | 2012-08-22 | 蚌埠玻璃工业设计研究院 | Composite performance reinforcing agent for producing alumina silicate glass |
| CN102976587A (en) * | 2012-12-22 | 2013-03-20 | 蚌埠玻璃工业设计研究院 | Clarification method of alumina silicate glass melts |
-
2015
- 2015-04-15 CN CN201510177831.0A patent/CN104829127A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101565323A (en) * | 2009-06-05 | 2009-10-28 | 哈尔滨工业大学（威海） | Method for preparing microcrystalline glass composite material containing alumina |
| CN101948243A (en) * | 2010-09-27 | 2011-01-19 | 武汉理工大学 | Compound fluxing agent for float glass |
| CN102643021A (en) * | 2012-05-09 | 2012-08-22 | 蚌埠玻璃工业设计研究院 | Composite performance reinforcing agent for producing alumina silicate glass |
| CN102976587A (en) * | 2012-12-22 | 2013-03-20 | 蚌埠玻璃工业设计研究院 | Clarification method of alumina silicate glass melts |
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Application publication date: 20150812 |