How to extend the life of air filters
Release time:
2020-10-27
The use and replacement cycle of the air filter in the dust-free workshop means the life of the industrial air filter.
The air filter is the core equipment and device of the air conditioning purification system in the dust-free workshop. The filter use and replacement cycle has industry standard functions. It is also a common industrial component and daily necessities.
With the increase of dust accumulation in the filter, the resistance of the filter screen increases, the air resistance decreases, or the filter screen partially penetrates, and when the wind resistance pressure reaches a certain test pressure value, the filter screen is easy to be scrapped. Therefore, the use of air filters requires an understanding of the appropriate use cycle. If the filter is not perforated or damaged, resistance is usually used to determine the service life.
The life of the air filter depends on the quality of the product itself. Filter material, filter area, whether the structural design is optimized, initial resistance, etc. It is related to environmental cleanliness and dust concentration, actual use chess, adjacent filter relationship, daily maintenance and maintenance level, final resistance, etc.
To understand and master the use cycle of the empty filter, but also to understand the resistance changes. The definition is as follows:
1. Rated initial resistance, the initial resistance identified by the sample, characteristic curve or test report under the rated air volume.
2. Initial resistance design; system design air flow in the filter resistance. The design resistance value that matches the standard quality of the filter leak detection.
3. Operation of Initial Resistance
If there is no meter to measure the pressure, only the resistance under the design chess can be used as the initial resistance (the actual working airflow cannot be exactly the same as the design airflow).
During operation, check whether the resistance exceeds the actual condition of the initial resistance. Each filter segment unit is equipped with a resistance detection device to determine the time of air filter replacement.
For materials, low-level air filters usually use fiber filters, the fiber gap is large, and the large resistance may accumulate dust on the equipment, so that the resistance is not easy to increase, and the efficiency will drop to zero. Therefore, the initial effect of design and manufacturing, The product must strictly control the final resistance value.
The longer the running time, the filter dust, the greater the resistance. The final resistance is too high does not mean that the filter life is extended, nor does it mean that excessive resistance leads to a sharp reduction in energy consumption and fresh air flow. Designing too high a final resistance is not easy. The most economical final resistance that meets the user value is the best industrial air filter.
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