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    • 3. 发明申请
    • METHOD FOR CONTINUOUS GLASS MELTING UNDER CONTROLLED CONVECTION OF GLASS MELT AND GLASS MELTING FURNACE FOR MAKING THE SAME
    • 用于玻璃熔体和玻璃熔融炉控制对接的连续玻璃熔炼方法
    • WO2014036979A1
    • 2014-03-13
    • PCT/CZ2013/000102
    • 2013-09-05
    • VYSOKÁ ŠKOLA CHEMICKO-TECHNOLOGICKÁ V PRAZEGLASS SERVICE, A.S.ÚSTAV STRUKTURY A MECHANIKY HORNIN AV ČR, V.V.I.
    • NĚMEC, LubomirPOLÁK, MiroslavCINCIBUSOVÁ, PetraJEBAVÁ, MarcelaBRADA, JiříTROCHTA, MiroslavKLOUŽEK, Jaroslav
    • C03B5/183C03B5/185
    • C03B5/183C03B5/185
    • Energy sources, such as industrial glass burners (11), heating electrodes (10) and other suitable heating energy sources operate on the molten glass melt (6) containing undissolved particles, especially glass sand and bubbles, in the longitudinal axis of the melting space, or in a direction parallel with this longitudinal axis, until creation of one or more longitudinal temperature barriers in the glass melt (6) and until the arising of the cross temperature gradient [K.m -1 ] which generates spiral-type flowing of the glass melt (6) with a rotary movement across the melting space, and in fact perpendicularly to the longitudinal axis of the melting part. This spiral-type flowing proceeds in the direction from the front wall (2) to the submerged cross refractory barrier (7) in the glass melt (6), or in the direction from the front wall (2) to the cross row (9) of the energy sources. The transversal temperature gradient [K.m -1 ] of each spiral-type flowing is always set as higher than longitudinal temperature gradient [K.m -1 ] between the front wall (2) and the submerged cross refractory barrier (7) in the glass melt (6), or between the front wall (2) and the cross row (9) of the energy sources, as a consequence of which it is possible to utilise 0.6 to 0.8 multiple of the total melting space. The ratio of the cross temperature gradient [K.m -1 ] to the longitudinal temperature gradient [K.m -1 ] is higher than 1 and lower than 30, preferably it is within the range from 5 to 20. Energy sources, such as heating electrodes (10) and/or industrial glass burners (11) in the melting space are arranged for creation of one or more longitudinal temperature barriers in the glass melt (6) and for generation of the spiral-type flowing of glass melt (6) with a rotary movement across the melting part, in fact perpendicularly to the longitudinal axis of the melting part, and for the setting of the cross temperature gradient [K.m -1 ] of the spiral-type flowing higher than the longitudinal temperature gradient [K.m -1 ].
    • 诸如工业玻璃燃烧器(11),加热电极(10)和其它合适的加热能源的能量源在熔融空间的纵向轴线上的含有未溶解颗粒(特别是玻璃砂和气泡)的熔融玻璃熔体(6) 或者在与该纵向轴线平行的方向上,直到在玻璃熔体(6)中产生一个或多个纵向温度屏障,直到产生玻璃的螺旋形流动的交叉温度梯度[Km-1] 熔化(6),其具有穿过熔化空间的旋转运动,实际上垂直于熔化部分的纵向轴线。 这种螺旋型流动沿着从玻璃熔体(6)中的前壁(2)到浸没的交叉难熔物(7)的方向,或者从前壁(2)到交叉列(9)的方向 )的能源。 每个螺旋型流动的横向温度梯度[Km-1]总是设定为高于玻璃熔体中的前壁(2)和浸没的交叉耐火材料阻挡层(7)之间的纵向温度梯度[Km-1] 6),或在能量源的前壁(2)和交叉排(9)之间,因此可以利用0.6至0.8倍的总熔融空间。 交叉温度梯度[Km-1]与纵向温度梯度[Km-1]的比率高于1且低于30,优选在5至20的范围内。诸如加热电极 10)和/或熔化空间中的工业玻璃燃烧器(11)被布置用于在玻璃熔体(6)中产生一个或多个纵向温度屏障并且产生玻璃熔体(6)的螺旋状流动 实际上垂直于熔化部分的纵向轴线的熔化部分的旋转运动,并且为了设定高于纵向温度梯度[Km-1]的螺旋型流动的交叉温度梯度[Km-1] 。