Anticorrosion Equipment Steel Tank Lined Teflon
Equipment Technology Requirement before Lining PTFE
Weld bulge height ≤ 1mm
The surface of the weld is smooth and flat, without sharp angles
When the wall thickness of the steel body is not equal, the lining is guaranteed to be flush when welding.
Welds shall not have porosity, undercuts, cracks and any other form of surface holes and defects such as incomplete penetration.
All corners should be in a circular arc with a radius of arc R≥3mm
The parts connected to the equipment shall be designed as flanged joints and shall be flat welded flanges
Internal parts (flower plates, support rings, etc.) should be designed as lining structures
All welds must be continuously welded and no intermittent or spot welds are allowed
The equipment should be designed with lifting equipment in mind, and the external parts of the equipment should not be used as lifting equipment.
Atmospheric pressure vessel housing according to standard
The slag, spatter and the like of the lining should be thoroughly understood.
Machining, welding, etc. on the equipment must be completed before the lining.
Installation of GB8923 standard sandblasting, sandblasting needs to reach St2 level