The bag filter is a multi-purpose filter equipment with novel structure, small size, simple and flexible operation, energy saving, high efficiency, airtight work and strong applicability. Inside the bag filter, the filter bag is supported by a metal mesh basket. The liquid flows in from the inlet, and flows out from the outlet after being filtered by the filter bag.
The bag filter has many advantages such as reasonable structure, good sealing, strong flow ability, and easy operation. In particular, the probability of side leakage of the filter bag is small, the filtration accuracy can be accurately guaranteed, and the filter bag can be replaced quickly, which reduces the operating cost. The inner and outer surfaces of the filter are treated by mechanical sandblasting and polishing, which is uniform and easy to clean. The filtering method adopted by the bag filter is the method of side entry and side exit, or the method of side entry and bottom exit. The filter liquid medium is pressed or drawn into the barrel of the bag filter through the pressure in the pipeline. The liquid medium is filtered by the filter bag supported by the filter blue through electropolishing punching holes, and the changed solid-liquid supports the filtration of the filter bag supported by the filter blue, and the changed solid-liquid reaches the liquid medium respectively and is filtered.
There are several types of bag filters: single-bag filter, multi-bag filter, rocker bag filter, high-precision bag filter, etc., and the filtration accuracy of the filter is in the range of 1-10 microns.
The main advantage:
♦The possibility of side leakage of the filter bag is small, which effectively guarantees the filtration quality.
♦Bag filter can bear greater working pressure, with small pressure loss, low operating cost and obvious energy-saving effect.
♦Filtering accuracy of filter bags has been continuously improved and has reached 0.5μm.
♦Bag filter has large processing capacity, small volume and large dirt holding capacity.
♦Based on the working principle and structure of the bag filter system, it is convenient and quick to replace the filter bag, and the filter is free of cleaning, saving labor and time.
♦Filter bag can be used repeatedly after cleaning, saving cost.
♦Bag filter has a wide range of applications, flexible use, and various installation methods.
Advantages of bag filter:
1. The bag filter has compact structure and reasonable size. The installation and operation are simple and convenient, and the floor space is small.
2. The bag filter has high filtration precision and is suitable for any fine particles or suspended solids. The filtration range can be from 0.5 to 200 microns.
3. The processing flow rate per unit filtration area is large, the filtration resistance is small, and the filtration efficiency is high. The filtration function of a liquid filter bag is 5 to 10 times that of the filter element, which can greatly reduce the cost; the design flow can meet the requirements of 1 to 500m3/h, and the cost is low.
4. The bag filter has a wide range of uses and can be used for coarse filtration, medium filtration or fine filtration; in the case of achieving the same filtering effect, compared with plate and frame fine filter, filter element filter and other equipment, it has lower investment cost and better use. Advantages such as long life and low filtration cost.
5. High filtration precision, large filtration capacity, low cost and high efficiency.
6. The liquid bag filter is free of cleaning, and the replacement of the liquid filter bag can be completed within 30 seconds, which is convenient and quick, saving labor and time.
7. The liquid bag filter has complete specifications, including low-pressure type, side-entry type, top-entry type, multi-bag type, and horizontal type.
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