CN111253047A - 一种全电熔无铂金坩埚光学玻璃窑炉 - Google Patents
一种全电熔无铂金坩埚光学玻璃窑炉 Download PDFInfo
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- 238000002844 melting Methods 0.000 title claims abstract description 48
- 230000008018 melting Effects 0.000 title claims abstract description 48
- 239000005304 optical glass Substances 0.000 title claims abstract description 21
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 title claims description 6
- 229910052737 gold Inorganic materials 0.000 title claims description 6
- 239000010931 gold Substances 0.000 title claims description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 80
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 40
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 38
- 239000010431 corundum Substances 0.000 claims abstract description 38
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 239000011521 glass Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000000779 smoke Substances 0.000 claims abstract description 6
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 7
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 6
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 6
- 229910001948 sodium oxide Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 239000011819 refractory material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 2
- 238000012423 maintenance Methods 0.000 description 5
- 239000006060 molten glass Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
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Abstract
本发明公开了一种全电熔无铂金坩埚光学玻璃窑炉,其包括冷顶电熔窑炉本体,冷顶电熔窑炉本体具有排烟区,熔化区、澄清区、及搅拌区;设置于搅拌区内且承接澄清区的刚玉料盆或组件,刚玉料盆或组件盛放玻璃液并搅拌;以及安装于刚玉料盆底部的铂金法兰,铂金法兰具有铂金管,并通过法兰片固定。本发明通过设置刚玉料盆及刚玉料盆组件,节约成本,保证产品质量,避免以往需要使用铂金坩埚搅拌玻璃液,损耗较大的麻烦。
Description
技术领域
本申请属于玻璃窑炉技术领域,具体地说,涉及一种全电熔无铂金坩埚光学玻璃窑炉。
背景技术
制造B270、K9系列的光学材料及板材的玻璃窑炉,在传统的建造中必须使用铂金坩埚,铂金坩埚在玻璃窑炉制造中占设备的成本50%,我国熔制高硼光学玻璃的电熔窑大多为小型热顶窑,冷顶电熔窑与热顶火焰窑相比具有节能、提高质量、降低成本等显著的优越性。在热顶窑炉中由于炉面温度高,会引起硼、钾等元素的挥发率的变化,使玻璃熔化不均匀。同时热顶电熔炉的硼、钾的挥发严重腐蚀了炉内上部结构,不但缩短了窑炉的寿命,而且碹滳落入玻璃液中,严重影响了玻璃质量。
发明内容
有鉴于此,本申请所要解决的技术问题是提供了一种全电熔无铂金坩埚光学玻璃窑炉,通过设置刚玉料盆或组件,节约成本,保证产品质量,避免以往需要使用铂金坩埚搅拌玻璃液,损耗较大的麻烦。
为了解决上述技术问题,本发明公开了一种全电熔无铂金坩埚光学玻璃窑炉,其包括冷顶电熔窑炉本体,冷顶电熔窑炉本体具有排烟区,熔化区、澄清区、及搅拌区;设置于搅拌区内且承接澄清区的刚玉料盆或组件,刚玉料盆或组件盛放玻璃液并搅拌;以及安装于刚玉料盆底部的铂金法兰,铂金法兰具有铂金管,并通过法兰片固定,解决了玻璃液泄漏难题。
根据本发明一实施方式,其中上述铂金法兰包括中央料盆与法兰安装部;分别位于中央料盆与法兰安装部向下的直管部;以及延伸于直管部下的斜管部。
根据本发明一实施方式,其中上述冷顶电熔窑炉本体还包括烟道、除尘系统。
根据本发明一实施方式,其中上述刚玉料盆或其组件含有80%的三氧化二硅、2.6%的三氧化二铝、0.3%的氧化钙、5.1%的氧化钠、12%的三氧化二硼。
根据本发明一实施方式,其中上述电极为无水套钼电极。
一种制造全电熔无铂金坩埚光学玻璃窑炉的工艺,包括:
步骤a:炉型设计,提供2吨直浅池全电熔炉或3.5吨V型浅池电熔炉设计;
步骤b:耐材选用,提供80%的三氧化二硅、2.6%的三氧化二铝、0.3%的氧化钙、5.1%的氧化钠、12%的三氧化二硼的坯料;
步骤c:浇注成型,将坯料混合,通过浇注成型出刚玉料盆毛坯,经过切割研磨成型;
步骤d:窑炉建造,建造冷顶电熔窑炉本体,并将刚玉料盆组合与铂金法兰及铂金管运置入内;
步骤e:电极布置,电器控制。
根据本发明一实施方式,其中上述窑炉熔化率为1500kg/m3。
与现有技术相比,本申请可以获得包括以下技术效果:
以往一直延用铂金坩埚生产光学玻璃材料,铂金坩埚成本高(坩埚的铂金用量在25kg左右),在生产中受高温影响铂金损耗量大,使用周期短(一般使用周期3至5个月),停炉维修成本高且严重影响了产品质量。
刚玉料盆总程成本低(总介不到铂金坩埚的2%),刚玉料盆能正常生产3年以上,能节约很多维修成本并保证产品质量的提升。
当然,实施本申请的任一产品必不一定需要同时达到以上所述的所有技术效果。
附图说明
此处所说明的附图用来提供对本申请的进一步理解,构成本申请的一部分,本申请的示意性实施例及其说明用于解释本申请,并不构成对本申请的不当限定。在附图中:
图1是本申请实施例的全电熔坩埚光学玻璃窑炉侧视图;
图2是本申请实施例的铂金法兰示意图。
附图标记
冷顶电熔窑炉本体10,排烟区20,熔化区30,澄清区40,搅拌区50,刚玉料盆60,铂金法兰70,中央料盆与法兰安装部71,直管部72,斜管部73。
具体实施方式
以下将配合附图及实施例来详细说明本申请的实施方式,藉此对本申请如何应用技术手段来解决技术问题并达成技术功效的实现过程能充分理解并据以实施。
请一并参考图1与图2,图1是本申请实施例的全电熔坩埚光学玻璃窑炉侧视图;图2是本申请实施例的铂金法兰示意图。如图所示,一种全电熔坩埚光学玻璃窑炉包括冷顶电熔窑炉本体10,冷顶电熔窑炉本体10具有排烟区20、熔化区30、澄清区40、及搅拌区50;设置于搅拌区50内且承接澄清区40的刚玉料盆60或组件,刚玉料盆60或组件盛放玻璃液并搅拌;以及安装于刚玉料盆60底部的铂金法兰70,铂金法兰70具有铂金管,并通过法兰片固定。
在本发明一实施方式中,冷顶电熔窑炉本体10采用冷顶式窑炉,具有排烟区20、熔化区30、澄清区40、及搅拌区50,还包括烟道、除尘系统。搅拌区50内置刚玉料盆60,用于盛放玻璃液,可根据需要组合使用,无需另外的铂金坩埚。铂金法兰70,配合刚玉料盆60使用,由铂金管制成,由法兰片固定,借此在下方安装成型设备,方便使用。
具体而言,铂金法兰70包括中央料盆与法兰安装部71;分别位于中央料盆与法兰安装部71两侧且向下的直管部72;以及延伸于直管部72下的斜管部73。在本实施方式中,铂金法兰70可以稳定配合刚玉料盆60,改善玻璃液对刚玉材料内的侵蚀,阻挡玻璃液泄露,改善玻璃液质量,而且法兰安装,更换方便。
优选的,刚玉料盆60或其组件含有80%的三氧化二硅、2.6%的三氧化二铝、0.3%的氧化钙、5.1%的氧化钠、12%的三氧化二硼。
优选的,电极为无水套钼电极。
本发明还提供了一种制造全电熔无铂金坩埚光学玻璃窑炉的工艺,包括:
步骤a:炉型设计,提供2吨直浅池全电熔炉或3.5吨V型浅池电熔炉设计;
步骤b:耐材选用,提供80%的三氧化二硅、2.6%的三氧化二铝、0.3%的氧化钙、5.1%的氧化钠、12%的三氧化二硼的坯料;
步骤c:浇注成型,将坯料混合,通过浇注成型出刚玉料盆或其组件毛坯,经过切割研磨成型;
步骤d:窑炉建造,建造冷顶电熔窑炉本体,并将刚玉料盆组合与铂金法兰及铂金管运置入内;
步骤e:电极布置,电器控制。
经测得数据如下:熔窑生产能力:日产=1500kg-8000kg光学材料及光学板材。
熔化率:V=1500kg/m3
玻璃熔化温度t=1650℃
玻璃液密度:p=2.53t/m3
另外, 本窑炉生产品种为B270、K9等光学材料。炉龄至少可达3年。电熔炉熔化率为1.8t/d.m3。熔化能耗:前期1.2-1.5kwh/kg;后期1.4-1.7kwh/kg。玻璃成品能耗:<2.2kwh/kg。刚玉料盆的玻璃液搅拌通过量>80-160Kg/h,料盆免维修达3年以上。玻璃质量:符合国家标准且高于同行水平。
需要了解的是,以往一直延用铂金坩埚生产光学玻璃材料,铂金坩埚成本高(坩埚的铂金用量在25kg左右),在生产中受高温影响铂金损耗量大,使用周期短(一般使用周期3至5个月),停炉维修成本高且严重影响了产品质量。
本发明提供的,刚玉料盆成本低(总价不到铂金坩埚的2%),刚玉料盆能正常生产3年以上,能节约很多维修成本并保证产品质量的提升。
上述说明示出并描述了本申请的若干优选实施例,但如前所述,应当理解本申请并非局限于本文所披露的形式,不应看作是对其他实施例的排除,而可用于各种其他组合、修改和环境,并能够在本文所述申请构想范围内,通过上述教导或相关领域的技术或知识进行改动。而本领域人员所进行的改动和变化不脱离本申请的精神和范围,则都应在本申请所附权利要求的保护范围内。
Claims (7)
1.一种全电熔无铂金坩埚光学玻璃窑炉,其特征在于,包括:
冷顶电熔窑炉本体,所述冷顶电熔窑炉本体具有排烟区、熔化区、澄清区、及搅拌区;
设置于所述搅拌区内且承接所述澄清区的刚玉料盆或组件,所述刚玉料盆或组件盛放玻璃液并搅拌;以及
安装于所述刚玉料盆底部的铂金法兰,所述铂金法兰具有铂金管,并通过法兰片固定。
2.根据权利要求1所述的全电熔无铂金坩埚光学玻璃窑炉,其特征在于,其中所述铂金法兰包括中央料盆与法兰安装部;分别位于中央料盆与法兰安装部向下的直管部;以及延伸于直管部下的斜管部。
3.根据权利要求1所述的全电熔无铂金坩埚光学玻璃窑炉,其特征在于,其中所述冷顶电熔窑炉本体还包括烟道、除尘系统。
4.根据权利要求1所述的全电熔无铂金坩埚光学玻璃窑炉,其特征在于,其中所述刚玉料盆或其组件含有80%的三氧化二硅、2.6%的三氧化二铝、0.3%的氧化钙、5.1%的氧化钠、12%的三氧化二硼。
5.根据权利要求1所述的全电熔无铂金坩埚光学玻璃窑炉,其特征在于,其中所述电极为无水套钼电极。
6.一种制造权利要求1所述的全电熔无铂金坩埚光学玻璃窑炉的工艺,其特征在于,包括:
步骤a:炉型设计,提供2吨直浅池全电熔炉或3.5吨V型浅池电熔炉设计;
步骤b:耐材选用,提供80%的三氧化二硅、2.6%的三氧化二铝、0.3%的氧化钙、5.1%的氧化钠、12%的三氧化二硼的坯料;
步骤c:浇注成型,将坯料混合,通过浇注成型出刚玉料盆毛坯,经过切割研磨成型;
步骤d:窑炉建造,建造冷顶电熔窑炉本体,并将刚玉料盆组合与铂金法兰及铂金管运置入内;
步骤e:电极布置,电器控制。
7.根据权利要求6所述的制造全电熔无铂金坩埚光学玻璃窑炉的工艺,其特征在于,其中所述窑炉熔化率为1500kg/m3。
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