The main components of the bag filter

The main components of the bag filter
The bag filter system mainly consists of a filter container, a support net and a filter bag.
When we use a bag filter to filter liquid, the liquid enters from the side or top inlet of the filter container, and enters the filter bag from above the filter bag supported by the net blue. The filter bag is unfolded due to the impact of the liquid and the uniform pressure surface. The liquid that passes through the filter bag and the metal support basket is discharged from the liquid outlet at the bottom of the bag filter . The filtered particulate impurities are trapped in the filter bag to complete the filtration process, so the quality, thickness, material and manufacturing process of the filter basket will directly affect your filtration effect and efficiency, and play a decisive role in the entire bag filter system. .
The bag filter basket is made of 1.2 or 1.5mm thick stainless steel plate, punched by CNC precision machine tool, the hole diameter is 1~4mm evenly distributed, and then molded, some unreasonable homemade basket can not make bag filter The device exerts its proper filtering effect and does not function as an effective support. Excessive pressure resistance will cause fiber migration of the bag filter inside the filter basket, so that the filter particles can easily pass through. In addition, the experience of the above three environmental protection filtration shows that the improper layout of the punching will damage the effective filtration area of ​​the filter bag by 30%, greatly reducing the working efficiency of the potential filtering system.
After the bag filter is sterilized, it is quickly filled with N2 or clean air to maintain the pressure. The pressure of the gas is 0.02MP higher than that during disinfection. When the system pressure is lower than 1000C, the gas pressure can be increased and the filter bag can be blown. cold. If the bag filter is wet and the steam is not easy to pass, the water in the micropore of the filter bag should be evaporated at a lower steam pressure. When the downstream steam emerges, the pressure required for sterilization is increased. During the sterilization process, be careful not to remove the condensate from the steam at any time.
The working principle and structure of the bag filter are convenient and quick to replace the filter bag, and the filter is no-clean, saves labor and time, and has wide application range, flexible use and various installation methods. The bag filter bag can be repeatedly used after being cleaned, saves cost, has large processing capacity, small volume, large volume of leakage, and small side leakage rate, which effectively guarantees the filtration quality. The filter precision of the bag filter is continuously improved, and has reached 0.5μm at present, which can carry larger working pressure, small pressure loss, low operating cost and obvious energy saving effect.

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