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Preparation system and preparation method of spherical silicon nitride powder
The invention discloses a preparation system and a preparation method of spherical silicon nitride powder, the preparation system comprises a rotary frustum and a low-temperature bin, a reaction kettle is arranged in the low-temperature bin, a liquid ammonia suction pipe is arranged in the reaction kettle, the liquid ammonia suction pipe is communicated with a shunting seat, and a stirring assembly is arranged at the bottom end of the liquid ammonia suction pipe; the stirring assembly comprises a main rotating disc, stirring blades, a sleeve rod and a swing rod, a rotating rod is installed at the end of the sleeve rod, a fixed insection disc and a free wheel disc are installed at the two ends of the rotating rod respectively, a helical tooth ring in transmission meshing with the fixed insection disc is arranged on one side of the main rotating disc, the upper end of the swing rod is installed on the rotating rod, and a permanent magnet swing block is installed at the lower end of the swing rod. An electromagnet is arranged at the position, close to the permanent magnet swing block, of the exterior of the low-temperature bin, a plurality of pumping openings are axially formed in the peripheral wall of the liquid ammonia pumping pipe, an open limiting piece is installed outside each pumping opening, and a water level monitoring assembly is tightly attached to the exterior of each open limiting piece; and a band-moving electromagnetic block capable of axially moving along the liquid ammonia pumping pipe is arranged on one side, close to the open limiting piece, of the exterior of the low-temperature bin.
本发明公开了一种球形氮化硅粉的制备系统及制备方法,制备系统包括旋转锥台和低温仓,低温仓内设置有反应釜,反应釜内安装有液氨抽管,液氨抽管与分流座相连通,液氨抽管底端安装有搅拌组件,搅拌组件包括主转盘、搅拌叶、套筒杆和摆杆,套筒杆端头安装有转杆,转杆两端分别安装有定齿纹盘和自由轮盘,主转盘一侧设置有与定齿纹盘相传动啮合的斜齿牙圈,摆杆上端安装于转杆,摆杆下端安装有永磁摆块,低温仓外部靠近永磁摆块处设置有电磁铁,液氨抽管周壁轴向排列设置有多个抽料口,每个抽料口外部安装有开放限制件,开放限制件外部紧贴设置有水位监测组件,低温仓外部靠近开放限制件的一侧设置有能够沿液氨抽管轴向移动的带移电磁块。
Preparation system and preparation method of spherical silicon nitride powder
The invention discloses a preparation system and a preparation method of spherical silicon nitride powder, the preparation system comprises a rotary frustum and a low-temperature bin, a reaction kettle is arranged in the low-temperature bin, a liquid ammonia suction pipe is arranged in the reaction kettle, the liquid ammonia suction pipe is communicated with a shunting seat, and a stirring assembly is arranged at the bottom end of the liquid ammonia suction pipe; the stirring assembly comprises a main rotating disc, stirring blades, a sleeve rod and a swing rod, a rotating rod is installed at the end of the sleeve rod, a fixed insection disc and a free wheel disc are installed at the two ends of the rotating rod respectively, a helical tooth ring in transmission meshing with the fixed insection disc is arranged on one side of the main rotating disc, the upper end of the swing rod is installed on the rotating rod, and a permanent magnet swing block is installed at the lower end of the swing rod. An electromagnet is arranged at the position, close to the permanent magnet swing block, of the exterior of the low-temperature bin, a plurality of pumping openings are axially formed in the peripheral wall of the liquid ammonia pumping pipe, an open limiting piece is installed outside each pumping opening, and a water level monitoring assembly is tightly attached to the exterior of each open limiting piece; and a band-moving electromagnetic block capable of axially moving along the liquid ammonia pumping pipe is arranged on one side, close to the open limiting piece, of the exterior of the low-temperature bin.
本发明公开了一种球形氮化硅粉的制备系统及制备方法,制备系统包括旋转锥台和低温仓,低温仓内设置有反应釜,反应釜内安装有液氨抽管,液氨抽管与分流座相连通,液氨抽管底端安装有搅拌组件,搅拌组件包括主转盘、搅拌叶、套筒杆和摆杆,套筒杆端头安装有转杆,转杆两端分别安装有定齿纹盘和自由轮盘,主转盘一侧设置有与定齿纹盘相传动啮合的斜齿牙圈,摆杆上端安装于转杆,摆杆下端安装有永磁摆块,低温仓外部靠近永磁摆块处设置有电磁铁,液氨抽管周壁轴向排列设置有多个抽料口,每个抽料口外部安装有开放限制件,开放限制件外部紧贴设置有水位监测组件,低温仓外部靠近开放限制件的一侧设置有能够沿液氨抽管轴向移动的带移电磁块。
Preparation system and preparation method of spherical silicon nitride powder
一种球形氮化硅粉的制备系统及制备方法
CHEN BO (Autor:in) / JIANG XUEXIN (Autor:in)
05.07.2024
Patent
Elektronische Ressource
Chinesisch
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