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1956 Acquisition of license to manufacture batch mills
A special agitator shaft with symmetrically arranged agitator pegs and sleeves of tungsten carbide for wear protection devel- Vertical, batch operation mill for the preparation of tungsten Ideal flow behaviour due to a special agitator peg arrange-ment and the hemispherically shaped chamber floor integrated screen plate for grinding media separationIntensive cooling through a double-wall grinding tank and cooled circulation pipeline
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Development of the first continuous agitator bead mill
Product inlet via rotor / immersion tube system prevents back flow of grinding media into the feed line.
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Bottom up & Top down
Generally, there are two ways to obtain nano-powders. A bottom-up manufacturing method (bottom up) for chemical methods, such as chemical precipitation, sol-gel process (sol-gel),... Another method is physical method, which changes the powder particles from big to small (top down), such as mechanical ball milling,... And so on.
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Horizontal Disk Grinding Machines
The Development In 1963, the first vertical agitator was developed internationally, the first horizontal agitator was developed in 1975, the first horizontal agitator bead mill with eccentric disks was introduced to the public and the horizontal disc grinder was introduced， in 2004, which became the industry standard. In the following years, the grinding media separation systems, the geometry of the grinding disks and the various grinding chamber materials were further developed.
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Rod-pin nano-grinding Technology
The grinding system pin nanomill shows the evolutionary develop- ment of system with the rotor-slotted pipe separating system. The enclosed horizontal agitator mill is designed for highest product throughput rates and possesses a pin grinding system for highest grinding intensity.
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Ceramic comminution chamber technology
In 2011, we developed the first zirconia comminution chamber technology in China. It has no metal ion pollution and is used in batteries, pharmaceuticals, glazes, ink and food.
吕氏贵宾会-NORVA（上海）公司最早2004年引进研发的NMZ全陶瓷实验室用棒销纳米研磨机 采用悬臂式循环结构，用于液体中固体颗粒的超细研磨和分散。可循环和批次研磨工艺。产品由内置高速转子泵，合适的物料自动被吸入研磨..
吕氏贵宾会-NORVA（上海）公司在NMZ-Lab03纳米研磨机基础上改进的一款全新全棒销纳米研磨机 采用循环式结构，外置泵，用于液体中固体颗粒的超细研磨和分散，可对流量进行高精度控制和计算，方便后期大生产数度的放大。可..
NORVA吕氏贵宾会NNM05L实验棒销循环研磨机式基于实验室平台开发的，采用了模块化设计，具有非常优秀的操作灵活性，其核心部件为“特耐磨钢研磨腔、氧化锆陶瓷、碳化硅陶瓷研磨腔和聚氨酯PU腔”，有效研磨容积为0.55L，特别..
NORVA吕氏贵宾会NMZ系列棒销式纳米砂磨生产用途非常广泛。转子采用棒销设计，安装在搅拌轴上，搅拌轴可以带动整个研磨筒里的研磨介质旋转，动态高效离器系统可很好地分离产品和研磨介质。带有强冷却的双面机械密封，运行可..
NORVA吕氏贵宾会NHE系列Disk盘式砂磨生产用途非常广泛。转子采用偏心盘设计，安装在搅拌轴上，搅拌轴可以带动整个研磨筒里的研磨介质旋转，动态高效离器系统可很好地分离产品和研磨介质。带有强冷却的双面机械密封，运行可..
NORVA吕氏贵宾会篮式砂磨机研磨篮采用封闭式设计，研磨介质装于篮内，避免了传统砂磨机研磨介质和物流混装的方式，由研磨篮的高速旋转形成高速线速度，使物料形成良好的研磨，分离系统采用了缝栅式分离器，缝隙范围为0.3-1..
NORVA吕氏贵宾会NH系列Disk盘式砂磨生产用途非常广泛。转子采用偏心盘设计，安装在搅拌轴上，搅拌轴可以带动整个研磨筒里的研磨介质旋转，动态高效离器系统可很好地分离产品和研磨介质。带有强冷却的双面机械密封，运行可..
采用德国DIN技术标准设计，符合美国FDA技术要求
NORVA吕氏贵宾会卧式纳米砂磨机是一款真正的研磨至纳米级范围内的高端研磨机器，采用先进的销棒研磨体系设计，转子外表面安装了大量耐磨钢材质的棒销，与定子形成了研磨腔，转子旋转形成强大研磨涡流撞击和剪切力，将物料..
NORVA吕氏贵宾会卧式纳米砂磨机是一款真正的研磨至纳米级范围内的高端研磨机器，采用先进的销棒研磨体系设计，转子外表面安装了大量耐磨钢材质的棒销，与定子形成了研磨腔，转子旋转形成强大研磨涡流撞击和剪切力，将物料..
NORVA吕氏贵宾会卧式纳米砂磨机是一款真正的研磨至纳米级范围内的高端研磨机器，采用先进的销棒研磨体系设计，转子外表面安装了大量耐磨钢材质的棒销，与定子形成了研磨腔，转子旋转形成强大研磨涡流撞击和剪切力，将物料..
NORVA吕氏贵宾会卧式纳米砂磨机是一款真正的研磨至纳米级范围内的高端研磨机器，采用先进的销棒研磨体系设计，转子外表面安装了大量耐磨钢材质的棒销，与定子形成了研磨腔，转子旋转形成强大研磨涡流撞击和剪切力，将物料..
NORVA吕氏贵宾会NHE系列Disk盘式砂磨生产用途非常广泛。转子采用三偏心凸轮盘设计，安装在搅拌轴上，搅拌轴可以带动整个研磨筒里的研磨介质旋转，动态高效离器系统可很好地分离产品和研磨介质。带有强冷却的双面机械密封，..
高剪切分散乳化设备不是一般的混合设备。在批次混合工艺中，转子高速旋转所产生的高切线速度和高频机械效应带来的强劲动能，使物料在定、转子的间隙中受到强烈的机械及液力剪切、离心挤压、液层摩擦、撞击撕裂和湍流..
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