Views:0 Author:Site Editor Publish Time: 2020-08-06 Origin:Site
The general steps of dust filter bags pre-coating are as follows :
（1）The dust filter bags pre-coating shall be completed before the boiler is fired.
（2）The dust collector operator open the inlet and outlet lifting valves of room #1.Close other inlet and outlet lifting valves. Close the feeding machine insert board, do not pour oil, operate the powder system and powder feeding machine.
（3）Start the boiler blower and induced draft fan.
（4）On - site and disc secondary damper open to 100%.
（5）After the blower and induced draft fan plate have been adjusted, the differential pressure in each room should be maintained at about 100Pa, and the pre-coated door should be opened. During the dust filter bags pre-coating process, the general air volume is not adjusted to keep the coating uniform.
（6）The pre-coated ash should be added slowly (the mesh number of pre-coated ash should be as fine as possible, mesh number ≤200 mesh, humidity < 1%), and the fan baffle opening degree should be about 30%.
（7）Each filter bags need about 1KG ash (6m long dust filter bags).
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