滤筒是一种用来进行过滤的筒状元件，一般分为用来过滤气体介质和过滤液体介质的滤筒。过滤液体状介质的滤筒一般安装于管道过滤器之内，外形常见锥状，故又称锥形滤网。
The structure about the device includes eight parts: outer shell, inlet pipe, return pipe, sub-feeder, and filter cylinder, fine filtrate concentrated lines, the lower stirring device and upper tank.
本设备在结构上可分为:外壳、粗液进液管、返液管、分料器、滤筒、精滤液集中管路、下部搅拌装置和高位槽等八部分。
参考来源 - 新型高效精滤机关键部件设计分析研究·2,447,543篇论文数据，部分数据来源于NoteExpress
珍宝滤芯过滤器外壳的设计是为了安装和更换滤筒。
Jumbo cartridge filter housings are designed to accept a single cartridge for easy installation and replacement.
滤筒滤纸覆膜处理，使得表面脱灰彻底，使用寿命长。
Cartridge filter coated handle, making the surface dust off completely, long service life.
其核心过滤元件为滤筒，它由多层不锈钢金属网烧结而成。
Filter cylinders, the core parts of the device, are made of the multi-layer stainless steel wire.
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