作用原理:

       不锈钢蓝式过滤器是用过滤介质把容器分隔为上、下腔即构成简单的过滤器。悬浮液加入上腔，在压力作用下通过过滤介质进入下腔成为滤液，固体颗粒被截留在过滤介质表面形成滤渣(或称滤饼)。过滤过程中过滤介质表面积存的滤渣层逐渐加厚，液体通过滤渣层的阻力随之增高，过滤速度减小。当滤室充满滤渣或过滤速度太小时，停止过滤，清除滤渣，使过滤介质再生，以完成一次过滤循环。
悬浮液过滤有滤渣层过滤、深层过滤和筛滤 3种方式。
①滤渣层过滤：过滤初期过滤介质只能截留大的固体颗粒，小颗粒随滤液穿过过滤介质。在形成初始滤渣层后，滤渣层对过滤起主要作用，这时大、小颗粒均被截留，例如板框压滤机的过滤。
②深层过滤：过滤介质较厚，悬浮液中含固体颗粒较少，且颗粒小于过滤介质的孔道。过滤时，颗粒进入后被吸附在孔道内，例如多孔塑料管过滤器、砂滤器的过滤。
③筛滤：过滤截留的固体颗粒都大于过滤介质的孔隙，过滤介质内部不吸附固体颗粒，例如转筒式过滤筛滤去污水中的粗粒杂质。在实际的过滤过程中，三种方式常常是同时或相继出现。

How it works:

       The stainless steel blue filter is a simple filter that separates the container into upper and lower chambers with filter media. The suspension is added to the upper chamber, and enters the lower chamber through the filter medium under pressure to become filtrate, and the solid particles are trapped on the surface of the filter medium to form a filter residue (or filter cake). During the filtration process, the filter residue layer existing on the surface of the filter medium gradually thickens, the resistance of the liquid passing through the filter residue layer increases, and the filtration speed decreases. When the filter chamber is full of filter residues or the filtration speed is too low, the filtration is stopped, the filter residues are removed, and the filter medium is regenerated to complete a filtration cycle.

There are three ways to filter the suspension: filter residue layer filtration, depth filtration and sieve filtration.

①Filter residue layer filtration: In the initial stage of filtration, the filter medium can only retain large solid particles, and the small particles pass through the filter medium with the filtrate. After the initial filter residue layer is formed, the filter residue layer plays a major role in filtration. At this time, both large and small particles are trapped, such as the filtration of plate and frame filter presses.

②Deep filtration: The filter medium is thicker, and the suspension contains less solid particles, and the particles are smaller than the pores of the filter medium. During filtration, the particles are adsorbed in the pores after entering, such as the filtration of porous plastic tube filters and sand filters.

③Screening: The solid particles retained by filtration are larger than the pores of the filter medium, and the solid particles are not adsorbed inside the filter medium, such as the rotary drum filter screen to filter out coarse impurities in the sewage. In the actual filtering process, the three ways often appear simultaneously or sequentially.

产品图片：制药用卫生级不锈钢蓝式过滤器生产厂家

公司简介：

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