Diesel filter, to filter out the harmful impurities in the fuel system, water, to protect the normal operation of the engine, to reduce wear and tear, to avoid clogging, improve the service life of the engine.

Principle of diesel oil filter

1. Screening effect

Filter screening effect, when the fluid through the porous body, the particle size of the particles in the fluid particles are blocked in the surface, the particle size is smaller than the number of holes in the fluid through the porous body.

The screening effect is a basic principle of filter wire mesh filter. In general, the surface type filter is to filter the sieving effect. Due to the aperture filter filter, the impurity particles diameter were not the whole round, are equivalent aperture and the equivalent particle size. Therefore, it intercepts the particle size is much smaller than the filter.

2.  Brown movement

Filter Brown movement: the impurity particles in the fluid, all the time to make irregular Brown movement, when they move to the porous wall of the porous body, is stuck in the cell wall of the hole wall, and then the porous body is filtered out.

3.  Use filter materials, separation of the special effects of the medium

When a droplet of oil flow into the filter, as oil due to the affinity, oil flow smoothly from the filter through the microporous filter on filter performance; for distant water, tiny water droplets are not passed.

There are tiny drops of water infiltration of filter villi, tiny drops of water retention filter villi, the droplet intercepted a large drops of water. When the hydraulic pressure under the action of water is pressed to the wedge filter pathway, forming larger droplets.When the hydraulic pressure under the action of water through the filter, downward settlement, falling in water, complete the filtering efficiency of the filter.

Currently, the most widely used is the separation of water from the fuel , the better the performance of hydrophobic filter, the better water separation filter.

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