Maintance of bag filter dust collector system

One: When the bag filter is being maintained, it is necessary to cut off the power supply first. The operator must carry the key of the operation panel, and hang a sign of “under maintenance, prohibition of operation” on the operation panel.

II: The surface rust, residue, oil, dust and other dirt should be removed before the bag filter is applied. The method of rust removal and rust removal grade shall comply with the provisions of GB-8923. When using spray or shot blasting, the rust removal level of the dust collector is not lower than Sa2; when using a hand brush or power tool to remove rust, the rust removal level Not less than St2.

Three: Every time after the maintenance of the dust collector is finished, it must be carefully checked whether there are tools or other objects falling into the equipment. Check whether the protective cover of the dust collector is properly installed and must not be wasted.

Four: The bag filter should be uniform and uniform in color. It must not have defects such as brittleness, flaking, cracks, curling, and brush marks. The thickness must not be less than 50 μm. Film adhesion according to the provisions of JB/T53134.

Five: For the treatment of dust collectors containing flammable and explosive dust gases, such as coal dust collector, the dust in the dust collector should be frequently removed to prevent burning or explosion, and fire should be prevented from entering. It is strictly prohibited during operation. Welding, gas welding repair pipe or casing.

Sixth: When entering harmful and toxic gas dust collectors for maintenance, to prevent possible hypoxia and harmful gas poisoning accidents, the gas in the system may be replaced with air.