CN100564294C - The production method of alkali resistant glass fibre - Google Patents
The production method of alkali resistant glass fibre Download PDFInfo
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- CN100564294C CN100564294C CNB2008100466398A CN200810046639A CN100564294C CN 100564294 C CN100564294 C CN 100564294C CN B2008100466398 A CNB2008100466398 A CN B2008100466398A CN 200810046639 A CN200810046639 A CN 200810046639A CN 100564294 C CN100564294 C CN 100564294C
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- resistant glass
- zircon
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- 239000003513 alkali Substances 0.000 title claims abstract description 52
- 239000003365 glass fiber Substances 0.000 title claims abstract description 49
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 36
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 36
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000011521 glass Substances 0.000 claims abstract description 27
- 229910052845 zircon Inorganic materials 0.000 claims abstract description 26
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 24
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000003345 natural gas Substances 0.000 claims abstract description 18
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 18
- 235000017550 sodium carbonate Nutrition 0.000 claims abstract description 18
- 238000002844 melting Methods 0.000 claims abstract description 17
- 230000008018 melting Effects 0.000 claims abstract description 17
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 15
- 235000009508 confectionery Nutrition 0.000 claims abstract description 13
- 239000011449 brick Substances 0.000 claims abstract description 12
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims abstract description 12
- 239000010431 corundum Substances 0.000 claims abstract description 12
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 12
- 239000010436 fluorite Substances 0.000 claims abstract description 12
- 235000010333 potassium nitrate Nutrition 0.000 claims abstract description 12
- 239000004323 potassium nitrate Substances 0.000 claims abstract description 12
- 239000004576 sand Substances 0.000 claims abstract description 12
- 239000006004 Quartz sand Substances 0.000 claims abstract description 11
- 229910021532 Calcite Inorganic materials 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 239000000839 emulsion Substances 0.000 claims abstract description 7
- 229920002521 macromolecule Polymers 0.000 claims abstract description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 5
- 239000011733 molybdenum Substances 0.000 claims abstract description 5
- 238000010792 warming Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 22
- 150000001875 compounds Chemical class 0.000 claims description 20
- 239000002994 raw material Substances 0.000 claims description 17
- 238000005303 weighing Methods 0.000 claims description 11
- 238000005352 clarification Methods 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 235000013312 flour Nutrition 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 19
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000010298 pulverizing process Methods 0.000 abstract description 4
- 238000003286 fusion draw glass process Methods 0.000 abstract description 3
- 239000007858 starting material Substances 0.000 description 7
- 238000003825 pressing Methods 0.000 description 6
- 239000004568 cement Substances 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 241001083492 Trapa Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
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- Glass Compositions (AREA)
Abstract
Name of the present invention is called the production method of alkali resistant glass fibre.Belong to the alkali resistant glass fibre technical field.Mainly be to solve " secondary fusion drawing process " production cost height and extraneous factor to the pollution of glass sphere and crucible problem to the recontaminate of glass metal.Its principal character is after quartz sand, saltpetre, calcite, zircon sand, soda ash, fluorite pulverizing are mixed and stirs, deliver to and adopt no shrinkage cavity zircon corundum brick to do to found in liner or masonry, the melting pool with Sweet natural gas, dog-hole flow in the settling pond that adopts no shrinkage cavity zircon corundum brick to make liner or masonry and clarifies in stove, flow in the operating pool after the homogenizing, be equipped with the molybdenum electrode warming apparatus in this settling pond and the operating pool, in the platinum bushing in 800-2400 hole, flow out, the surface applies one deck macromolecule emulsion again, is wrapped at last and makes glass fibre on the headstock.The present invention has the advantages that glass melting temperature is stable, quality is high, energy consumption is low, pollution is little, is mainly used in the production of alkali resistant glass fibre.
Description
Technical field
The invention belongs to the alkali resistant glass fibre technical field.Be specifically related to a kind of preparation method who adds kiln method production alkali resistant glass fibre in auxiliary electrical molten bath with Sweet natural gas.
Background technology
Alkali resistant glass fibre is referred to as alkali resistant glass fiber again, it is Maj μ doctor mdar invention by English architecture institute, and cooperate in the seventies exploitation in last century, industrially produce commodity with Britain Pilkington glass company, be mainly used in the refinforced cement concrete and (be called for short GRC), can effectively resist cement concrete neutral and alkali material and corrode.Since alkali resistant glass fibre have light weight, high-strength, do not fire, the erosion and the characteristics such as designability is strong, easy-formation of high temperature resistant, alkali resistance material, in non bearing structure, can substitute reinforcing bar with the concrete tensile strength of refinforced cement, thus the research and development of glass fiber reinforced cement (GRC) be applied in medium above developed country and be able to fast development.The market of alkali resistant glass fibre is mainly monopolized by the NEG company and the Britain Cem-fil company of Japan in the world now.
At home, all to adopt " secondary fusion drawing process " be that first tank furnace is made glass sphere, the platinum crucible wire drawing is used in the back to the production technique of alkali resistant glass fibre.The weak point one of " secondary fusion drawing process " is that energy consumption is bigger, because it has removed many system ball and operation that ball is melted again; The 2nd, glass quality is poor, because it can not eliminate extraneous factor to the pollution of glass sphere and the crucible recontaminate to glass metal; In view of above 2 weather resistance that make fiber in application, have a strong impact on the GRC goods.
At home, the production technique of alkali resistant glass fibre all adopts pure electric smelting method of fusion and the little tank furnace method of pure natural gas to produce glass fibre." pure electric smelting method of fusion " adds auxiliary electrical molten bath kiln method with Sweet natural gas, and specific energy consumption is bigger mutually, the power consumption of ton silk is than more than Sweet natural gas tank furnace fado 3000 degree, " pure natural gas tank furnace method " adds the auxiliary electrical kiln with Sweet natural gas and compares, be difficult for regulating control in the production process, refining quality is inhomogeneous, be easy to generate the fusing dead angle, cause the crystallization problem, and the production cost of glass fibre rises about 20%.
Summary of the invention
The objective of the invention is to improve design at the existing disadvantage of present domestic production alkali resistant glass fibre technology, a kind of to add auxiliary electric smelting with Sweet natural gas be fuel, produce the method for alkali resistant glass fibre with the tank furnace method, can effectively improve the refining quality and the quality of kiln, the production method of the alkali resistant glass fibre of boosting productivity and cutting down the consumption of energy.
Technical solution of the present invention is: a kind of production method of alkali resistant glass fibre is characterized in that:
1. with the raw material of each composition by weight proportioning be: quartz sand: 50～70, saltpetre: 1～10, calcite: 5～10, zircon sand: 14～30, soda ash: 20～30, fluorite: 0.1～5, weighing is stand-by respectively;
2. prepare compound: start agitator, treat that it works well after, above-mentioned raw materials pulverized mixes the back and add in the agitator, add water simultaneously, stir, make moisture controlled in the compound 2.8～3.2%;
3. found: above-mentioned prepared mixture is transported to adopts no shrinkage cavity zircon corundum brick to do to found in liner or masonry, the melting pool with Sweet natural gas, glass melting temperature is controlled in 1600～1650 ℃ of scopes;
4. clarification: the high temp glass liquid that will found, flowing into the no shrinkage cavity zircon corundum brick of employing through the melting pool dog-hole does in the settling pond of liner or masonry, through clarification, flow in the operating pool after the homogenizing, be equipped with the molybdenum electrode warming apparatus in this settling pond and the operating pool, in the platinum bushing in 800-2400 hole, flow out, effusive temperature is controlled at 1320-1400 ℃ from the platinum bushing, the surface applies high temperature resistant, the alkali-proof macromolecule emulsion of one deck again, be wrapped at last on the headstock, the diameter of making fiber is controlled at 9-11 μ m, composition: ZrO
2: 13.7～16.7%, SiO
2: 57～66%, CaO:4～5.5%, K
2O:2.0～3.5%, Na
2The alkali resistant glass fibre yarn of O:11.5～13.5%.
The production method of a kind of alkali resistant glass fibre described in the technical solution of the present invention can also for:
1. with the raw material of each composition by weight proportioning be: quartz sand: 50～70, saltpetre: 5～10, calcite: 5～10, zircon sand: 14～30, soda ash: 20～30, fluorite: 0.1～5, rutile 5～10, weighing is stand-by respectively;
2. prepare compound: start agitator, treat that it works well after, above-mentioned raw materials pulverized mixes the back and add in the agitator, add water simultaneously, stir, make moisture controlled in the compound 2.8～3.2%;
3. found: will go up fast prepared mixture and be transported to and adopt no shrinkage cavity zircon corundum brick to do to found in liner or masonry, the melting pool with Sweet natural gas, glass melting temperature is controlled in 1600～1650 ℃ of scopes;
4. clarification: the high temp glass liquid that will found, flowing into the no shrinkage cavity zircon corundum brick of employing through the melting pool dog-hole does in the settling pond of liner or masonry, through clarification, flow in the operating pool after the homogenizing, be equipped with the molybdenum electrode warming apparatus in this settling pond and the operating pool, in the platinum bushing in 800-2400 hole, flow out, effusive temperature is controlled at 1320-1400 ℃ from the platinum bushing, the surface applies high temperature resistant, the alkali-proof macromolecule emulsion of one deck again, be wrapped at last on the headstock, the diameter of making fiber is controlled at 9-11 μ m, composition: ZrO
2: 13.7～16.7%, SiO
2: 57～66%, CaO:4～5.5%, K
2O:2.0～3.5%, Na
2The alkali resistant glass fibre yarn of O:11.5～13.5%.
The production method of a kind of alkali resistant glass fibre described in the technical solution of the present invention 2. step be:
2. prepare compound: start agitator, treat that it works well after, the above-mentioned raw materials zircon flour is broken into 250～300 purpose fine powder materials, after other 40 purpose raw materials mixing, join together in the agitator, add water simultaneously, stir, make moisture controlled in the compound 2.8～3.2%.
The production method of a kind of alkali resistant glass fibre described in the technical solution of the present invention 2. step can also be:
2. prepare compound: start agitator, treat that it works well after, will above-mentioned raw materials pulverize and mix the back and add in the agitator, stirred 3 minutes earlier, add water again, and then stirred 2 minutes, make moisture controlled in the compound 2.8～3.2%.
The production method of a kind of alkali resistant glass fibre described in the technical solution of the present invention 1. step can also for:
1. with the raw material of each composition by weight proportioning be: quartz sand: 50～70, saltpetre: 5～10, calcite: 5～10, zircon sand: 14～30, soda ash: 20～30, fluorite: 0.1～5, weighing is stand-by respectively for rutile: 1-7.
The present invention is owing to adopt the pool kiln wiredrawing production technique, it is after founding into glass metal in the input glass melter after frit is mixed, after the settling pond clarification, flow into operating pool and flow out wire drawing through the platinum bushing, compare with the ball method, it has saved glass metal has been made glass sphere, glass sphere is melted again carry out the stringy operation, has avoided extraneous factor to the pollution of glass sphere and the crucible recontaminate to glass metal.The tensile strength and the alkaline resistance properties of the alkali resistant glass fibre of producing with this production technique are all very good.
The present invention is because on the basis of raw natural gas water chestnut kiln, adds one group of auxiliary molybdenum electrode heating unit in the settling pond of melting pool path, operating pool, thereby overcome conventional body of heater fusing and have dead angle, the problem of crystallization easily.Adopting Sweet natural gas to add auxiliary electrical in addition is fuel, than all-electric melting kiln and pure natural gas kiln, easier adjusting control in the production process, productivity ratio all-electric melting kiln improves 3 times, more even than pure natural gas kiln refining quality, and the production cost of glass fibre can descend about 20%, and glass fibre clarity height, quality are good, energy-saving effect and characteristics such as remarkable thereof.
Kiln of the present invention is owing to adopt no shrinkage cavity zircon corundum brick to make the liner or the masonry of melting pool and settling pond etc., thus have glass melting temperature stable, fluctuate for a short time, the starting material energy consumption is low, characteristics that environmental pollution is little, and can reduce production costs about 10%.
The present invention has overcome that temperature fluctuation is big in original electric melting furnace, the temperature difference is big, and glass fibre is of poor quality, the more high disadvantage of production cost.The present invention is mainly used in the production method of alkali resistant glass fibre.
Embodiment
Embodiment 1:
Present embodiment 1 to produce each starting material consumption of the required compound configuration proportion of 100Kg alkali resistant glass fibre is: quartz sand: 61kg, wherein, SiO
2Content: 99.9%, Fe
2O
3Content :≤0.2%, ALO
2:≤0.8%; Saltpetre: 5.5kg wherein, K
2O content: 〉=45%; Calcite: 8.5kg, wherein, CaO content: 〉=55%, Fe
2O
3Content :≤0.2%, ALO
2:≤0.3%; Zircon sand: 24kg, wherein, ZrO
2Content: 〉=63%, Fe
2O
3Content :≤0.2%, ALO
2:≤0.2%; Soda ash: 23kg, wherein, Na
2O content: 〉=55; Fluorite: 0.5kg, wherein, CaF content: 〉=80, Fe
2O
3Content :≤0.2%, ALO
2:≤0.3%; Rutile: 7.9KG, wherein, TiO
2: 〉=85%.
Soda ash should detect moisture content every day before the weighing, according to the moisture content height, suitably adjusts the soda ash dosage.
1, above-mentioned raw materials needed 80 orders except that zircon sand needs 250 orders, quartz sand, crossed 40 orders behind other separated pulverizing;
2, with load weighted saltpetre, it is stand-by that soda ash, fluorite mix the back, stand-by after more load weighted other starting material weighing being mixed well;
3, start agitator, treat will above-mentioned compound to add in the agitator after normal and stirred 5 minutes, add the water of 3KG, continue again to stir discharging in 2 minutes, stand-by;
4, above-mentioned prepared mixture is directly added through even all being sent to of charging machine and add with Sweet natural gas in the molten cellar for storing things that auxiliary electrical molten bath kiln method produces, under 1600-1650 ℃ temperature, found;
5, the high temp glass liquid that will found, dog-hole flow into and adopts no shrinkage cavity zircon corundum brick to do in the settling pond of liner or masonry in stove, through clarification, flow in the operating pool after the homogenizing, flow out in the platinum bushing in 800 holes, effusive temperature is controlled at 1320-1400 ℃ from the platinum bushing, and the surface applies high temperature resistant, the alkali-proof macromolecule emulsion of one deck again, be wrapped at last on the headstock, make the alkali resistant glass fibre yarn of the diameter of fiber at 9-11 μ m.
The alkali resistant glass fibre composition index of pressing embodiment 1 production is as follows:
The various indexs of alkali resistant glass fibre of pressing embodiment 1 production are as follows:
| Alkali proof fiber | Proportion | Tensile strength (Mpa) | Young's modulus (Gpa) | Elongation at break (%) | ZrO 2 | TiO 2 | Alkali resistance |
| 2.68 | 2200 | 70.5 | ＜4 | 14.5 | 5.5 | 80 |
Embodiment 2:
Present embodiment 2 to produce each starting material consumption of the required compound configuration proportion of 100Kg alkali resistant glass fibre is: quartz sand: 54kg, wherein, SiO
2Content: 99.9%, Fe
2O
3Content :≤0.2%, ALO
2:≤0.8%; Saltpetre: 3.5kg wherein, K
2O content: 〉=45%; Calcite: 9.5kg, wherein, CaO content: 〉=55%, Fe
2O
3Content :≤0.2%, ALO
2:≤0.3%; Zircon sand: 26kg, wherein, ZrO
2Content: 〉=63%, Fe
2O
3Content :≤0.2%, ALO
2:≤0.2%; Soda ash: 26kg, wherein, Na
2O content: 〉=55; Fluorite: 1.0kg, wherein, CaF content: 〉=80, Fe
2O
3Content :≤0.2%, ALO
2:≤0.3%; Rutile: 1.5KG, wherein, TiO
2: 〉=85%.
Soda ash should detect moisture content every day before the weighing, according to the moisture content height, suitably adjusts the soda ash dosage.
1, above-mentioned raw materials needed 80 orders except that zircon sand needs 250 orders, quartz sand, crossed 40 orders behind other separated pulverizing;
2, with load weighted saltpetre, it is stand-by that soda ash, fluorite mix the back, stand-by after more load weighted other starting material weighing being mixed well.
3, start agitator, treat will above-mentioned compound to add in the agitator after normal and stirred 5 minutes, add the water of 3KG, continue again to stir discharging in 2 minutes, stand-by.
4, above-mentioned prepared mixture is directly added through even all being sent to of charging machine and add with Sweet natural gas in the molten cellar for storing things that auxiliary electrical molten bath kiln method produces, under 1600-1650 ℃ temperature, found.
5, the high temp glass liquid that will found, dog-hole flow into and adopts no shrinkage cavity zircon corundum brick to do in the settling pond of liner or masonry in stove, through clarification, flow in the operating pool after the homogenizing, flow out in the platinum bushing in 1200 holes, effusive temperature is controlled at 1320-1400 ℃ from the platinum bushing, and the surface applies high temperature resistant, the alkali-proof macromolecule emulsion of one deck again, be wrapped at last on the headstock, make the alkali resistant glass fibre yarn of the diameter of fiber at 9-11 μ m.
The alkali resistant glass fibre composition index of pressing embodiment 2 productions is as follows:
The various indexs of alkali resistant glass fibre of pressing embodiment 2 productions are as follows:
| Alkali proof fiber | Proportion | Tensile strength (Mpa) | Young's modulus (Gpa) | Elongation at break (%) | ZrO 2 | Alkali resistance |
| 2.7 | 2380 | 78 | ＜4 | 16.0 | 91 |
Embodiment 3:
Present embodiment 3 to produce each starting material consumption of the required compound configuration proportion of 100Kg alkali resistant glass fibre is: quartz sand: 61kg, wherein, SiO
2Content: 99.9%, Fe
2O
3Content :≤0.2%, ALO
2:≤0.8%; Saltpetre: 3.5kg wherein, K
2O content: 〉=45%; Calcite: 9.6kg, wherein, CaO content: 〉=55%, Fe
2O
3Content :≤0.2%, ALO
2:≤0.3%; Zircon sand: 28kg, wherein, ZrO
2Content: 〉=63%, Fe
2O
3Content :≤0.2%, ALO
2:≤0.2%; Soda ash: 27kg, wherein, Na
2O content: 〉=55; Fluorite: 1.5kg, wherein, CaF content: 〉=80, Fe
2O
3Content :≤0.2%, ALO
2:≤0.3%.
Soda ash should detect moisture content every day before the weighing, according to the moisture content height, suitably adjusts the soda ash dosage.
1, above-mentioned raw materials needed 80 orders except that zircon sand needs 250 order quartz sands, crossed 40 orders behind other separated pulverizing.
2, with load weighted saltpetre, it is stand-by that soda ash, fluorite mix the back, stand-by after more load weighted other starting material weighing being mixed well.
3, start agitator, treat will above-mentioned compound to add in the agitator after normal and stirred 5 minutes, add the water of 3KG, continue again to stir discharging in 2 minutes, stand-by.
4, above-mentioned prepared mixture is directly added through even all being sent to of charging machine and add with Sweet natural gas in the molten cellar for storing things that auxiliary electrical molten bath kiln method produces, under 1600-1650 ℃ temperature, found.
5, the high temp glass liquid that will found, dog-hole flow into and adopts no shrinkage cavity zircon corundum brick to do in the settling pond of liner or masonry in stove, through clarification, flow in the operating pool after the homogenizing, flow out in the platinum bushing in 2400 holes, effusive temperature is controlled at 1320-1400 ℃ from the platinum bushing, and the surface applies high temperature resistant, the alkali-proof macromolecule emulsion of one deck again, be wrapped at last on the headstock, make the alkali resistant glass fibre yarn of the diameter of fiber at 9-11 μ m.
The alkali resistant glass fibre composition index of pressing embodiment 3 productions is as follows:
The various indexs of alkali resistant glass fibre of pressing embodiment 3 productions are as follows:
| Alkali proof fiber | Proportion | Tensile strength (Mpa) | Young's modulus (Gpa) | Elongation at break (%) | ZrO 2 | Alkali resistance |
| 2.7 | 2480 | 81 | ＜4 | 16.7 | 94 |
It is as follows to press alkaline-resisting glass yarn intensity and alkali resistance that the alkali-resistant glass marble of embodiment 3 produces:
Claims (4)
1, a kind of production method of alkali resistant glass fibre is characterized in that:
1. with the raw material of each composition by weight proportioning be: quartz sand: 50～70, saltpetre: 5～10, calcite: 5～10, zircon sand: 14～30, soda ash: 20～30, fluorite: 0.1～5, weighing is stand-by respectively, each proportioning components sum is 100;
2. prepare compound: start agitator, treat that it works well after, above-mentioned raw materials pulverized mixes the back and add in the agitator, add water simultaneously, stir, make moisture controlled in the compound 2.8～3.2%;
3. found: above-mentioned prepared mixture is transported to adopts no shrinkage cavity zircon corundum brick to do to found in liner or masonry, the melting pool with Sweet natural gas, glass melting temperature is controlled in 1600～1650 ℃ of scopes;
4. clarification: the high temp glass liquid that will found, flowing into the no shrinkage cavity zircon corundum brick of employing through the melting pool dog-hole does in the settling pond of liner or masonry, through clarification, flow in the operating pool after the homogenizing, be equipped with the molybdenum electrode warming apparatus in this settling pond and the operating pool, in the platinum bushing in 800-2400 hole, flow out, effusive temperature is controlled at 1320-1400 ℃ from the platinum bushing, the surface applies high temperature resistant, the alkali-proof macromolecule emulsion of one deck again, be wrapped at last on the headstock, the diameter of making fiber is controlled at 9-11 μ m, composition: ZrO
2: 13.7～16.7%, SiO
2: 57～66%, CaO:4～5.5%, K
2O:2.0～3.5%, Na
2The alkali resistant glass fibre yarn of O:11.5～13.5%.
2, the production method of a kind of alkali resistant glass fibre according to claim 1 is characterized in that: described 2. step be:
2. prepare compound: start agitator, treat that it works well after, the above-mentioned raw materials zircon flour is broken into 250～300 purpose fine powder materials, after other 40 purpose raw materials mixing, join together in the agitator, add water simultaneously, stir, make moisture controlled in the compound 2.8～3.2%.
3, the production method of a kind of alkali resistant glass fibre according to claim 1 is characterized in that: described 2. step be:
2. prepare compound: start agitator, treat that it works well after, will above-mentioned raw materials pulverize and mix the back and add in the agitator, stirred 3 minutes earlier, add water again, and then stirred 2 minutes, make moisture controlled in the compound 2.8～3.2%.
4, according to the production method of claim 1,2 or 3 described a kind of alkali resistant glass fibres, it is characterized in that: described 1. step be:
1. with the raw material of each composition by weight proportioning be: quartz sand: 50～70, saltpetre: 5～10, calcite: 5～10, zircon sand: 14～30, soda ash: 20～30, fluorite: 0.1～5, weighing is stand-by respectively for rutile: 1-7, and each proportioning components sum is 100.
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|---|---|---|---|
| CNB2008100466398A CN100564294C (en) | 2008-01-02 | 2008-01-02 | The production method of alkali resistant glass fibre |
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|---|---|---|---|
| CNB2008100466398A CN100564294C (en) | 2008-01-02 | 2008-01-02 | The production method of alkali resistant glass fibre |
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| CN100564294C true CN100564294C (en) | 2009-12-02 |
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| CN102718406B (en) * | 2012-07-09 | 2016-01-20 | 重庆理工大学 | The glass fiber with low dielectric constant that a kind of wire-drawing temperature is low |
| CN103011580B (en) * | 2012-12-26 | 2015-09-30 | 中材科技股份有限公司 | A kind of high-strength glass fibre pool kiln wiredrawing method and device thereof |
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