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Want to know how the meatball machine works? Let's take a look. First, the container is divided into upper and lower chambers with filter media to constitute a simple filter. The suspension is added to the upper chamber juice pouch filling machine, passes through the filter medium and enters the lower chamber under pressure to become filtrate. The solid particles are trapped on the surface of the filter medium to form filter residue (or filter cake).

During the filtration process, the filter residue layer accumulated on the surface of the filter medium gradually thickens, the resistance of the liquid through the filter residue layer is increased, and the filtration speed is reduced mango pulp maker machine. When the filter chamber is filled with filter residue or the filtering speed is too low, stop filtering, remove the filter residue, and regenerate the filter medium to complete a filtration cycle.

The liquid passing through the filter residue layer and the filter medium must restrain resistance, so there must be a pressure difference on both sides of the filter medium, which is the driving force to complete the filtration. Increasing the pressure difference can speed up the filtration, but the deformed particles under pressure are likely to block the pores of the filter medium when the pressure difference is large, and the filtration slows down.

Suspension filtration has three methods: filter residue layer filtration, deep layer filtration and sieving filtration.

① Filtration of the filter residue layer: The filter medium can only retain large solid particles at the initial stage of filtration, and the small particles pass through the filter medium with the filtrate. After the initial filter residue layer is formed electric sugarcane juicer machine, the filter residue layer plays a major role in filtering. At this time, both large and small particles are retained, such as the filtration of a plate and frame filter press.

②Deep filtration: the filter medium is thicker, the suspension contains less solid particles, and the particles are smaller than the pores of the filter medium. When filtering, 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 inside of the filter medium does not absorb solid particles. For example, a rotating drum filter screen filters out coarse particles in sewage. In the actual filtering process, the three methods are often presented simultaneously or successively. Special network for oil press.

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