How to design a spray air bag:

1) When designing a pulse bag filter with circular or square cross-section gas pockets, safety and quality requirements must be considered.

2) The blowing bag must have sufficient capacity to meet the blowing air volume. It is recommended that the pressure drop inside the air bag after pulse injection should not exceed 30% of the original storage pressure.

3) The diameter of the intake pipe of the spray air bag is selected to be larger during the day to meet the speed of air supply. Multiple intake input pipelines can be designed for large capacity airbags.

4) For atmospheric gas bags, multiple bags can be connected into a gas storage circuit using a 76mm diameter pipeline.

5) It is best to install the pulse valve on the upper or side of the airbag to prevent oil and moisture inside the airbag from being blown into the dust bag through the pulse valve. Submerged pulse valves should not be installed at the lower part of the airbag.

6) Each spray bag must have an automatic (i.e. two position two-way solenoid valve) or manual oil-water drain valve at the bottom to periodically discharge impurities from the container.

7) If the spray air bag is designed according to the pressure window standard and has a sufficiently large cellar body, it is a compressed air stable pressure tank. When there is a stabilizing tank in front of the airbag, it is necessary to install the stabilizing tank close to the airbag to prevent the compressed gas from losing pressure through the slender pipeline during transportation.

8) After processing and production, the spray bag must be continuously blown with compressed air to clean the internal welding slag, and then the valve must be installed. When testing pulse valves in the workshop, especially submerged valves with a diameter of 76mm, it is necessary to ensure the pressure of compressed air in the air bag and the flow rate of supplementary air, otherwise the pulse valve will not open or leak.

9) If the bag dust removal equipment is installed on site and a leakage is found at the upper outlet of the pulse valve. That's because the gas bag contains impurities, which causes rust to accumulate on the small diaphragm and prevent the valve from closing. It needs to be disassembled and cleaned.