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How to operate the filter more safely

  • Categories:company news
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  • Time of issue:2020-04-20
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How to operate the filter more safely

  • Categories:company news
  • Author:
  • Origin:
  • Time of issue:2020-04-20
  • Views:0
Information
Open the upper cover of the bag filter. Put the upper cover firmly, take out the filter bag carefully and put it into a new filter bag, please refer to the installation process. Monitoring the filtration quality Under the condition that the liquid input pressure is stable, the filtration quality is closely related to the pressure difference in the filter bag. If the pressure difference is too large, it means that the filter pore size of the filter bag is blocked and the filtration speed drops. Therefore, we suggest that when the bag filter starts to work, the pressure difference should be checked regularly.
 
The pressure difference shown by the pressure gauges before and after determines the time to change the filter bag. The ordinary filter bag can accept a pressure of about 0.5-1Kg / cm2 (0.05-0.1Mpa). When the pressure difference reaches this interval, the filter should be changed in time. Bag to prevent the filter bag from cracking and affecting the filtering effect.
 
If the pressure drop suddenly drops, the filtration should be stopped immediately and checked for leaks. When filtering high-viscosity liquid, pressurized discharge residual liquid can be compressed air through the exhaust valve to accelerate the residual liquid discharge and shorten the waiting time. Its installation is shown in the figure. Please note: The air used for pressurized discharge must be stable, and the pressure should not exceed the working pressure of the filter.
 
The operation steps are as follows. Close the input valve. Open the intake valve. The gas is introduced into the bag filter, and the remaining liquid is discharged under pressure. Check the outlet pressure gauge to confirm that the gauge pressure is equal to the compressed air pressure; confirm that no liquid flows out of the outlet. Gradually open the exhaust valve; residual liquid is ejected from the outlet of the exhaust valve, and it must be led to the safety place or the suction port of the filter.
 
After exhausting the compressed air, close the exhaust valve. At this time, there should be no pressure inside the filter and the cover can be opened. Cleaning the bag filter If the bag filter continues to filter the same liquid, there is no need to clean it. But if you filter other types of liquid, you need to clean the front of the machine to use it.

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苏ICP备18046314号-1
Powered by www.300.cn