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Second, see if it is a problem of backwashing strength. Backwash strength = backwash volume (L) / filter area (m2) x rinse time (s). The backwashing strength requirement can neither exceed the flushing strength allowed by the upper filter material (anthracite), and ensure that the underlying quartz sand has sufficient backwashing time, rinse cleanly, the backwashing strength is too high to easily run, and the strength is too small to wash Not clean. Improper control of the strength of the water and gas mixture will cause the media filter to mix during the backwashing process, resulting in poor filtration.
Thirdly, the filter head also plays an important role in it. If the plastic material of the filter head is not strong enough, it may cause damage during work, causing the filter material to be lost, resulting in poor filtering effect.
When using the filter after zui, we should pay attention to the filter filter plate knot, serious material run, poor filtration effect, filter material must be replaced every 6 months to 1 year, and the effluent water quality fluctuates greatly, the oil removal effect not good.
The reason why the filter is not working well
What is the cause of the filter's poor filtering? A friend with a filter may have encountered a filter that is not clean, then you can see if it is caused by the reason*, is there a problem with the choice of filter material, choose anthracite and quartz sand as the filter material, due to the grain The small diameter will increase the resistance of the operation, and the filter material knot phenomenon will occur when the backwash is not complete, resulting in poor filtering effect.