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Methods for selecting anticorrosive coating on the outer wall of stainless steel storage tanks
Nov 17, 2020

The outer wall of stainless steel storage tanks is prone to corrosion, thus affecting the performance and appearance of storage tanks, so most people choose to apply anti-corrosion coating on the outer wall of storage tanks, but how to choose anti-corrosion coating?

 

1. The parts that touch the ground or soil are usually similar to the anti-corrosion protection of the outer wall of buried pipelines. Two lines of epoxy asphalt paint, 125um each, 250um in total, are used. There are also thick-film epoxy coatings as the bottom of the anti-corrosion coating, coating thickness between 200-300um.

 

2. If there is no insulation layer, environmental conditions, such as coastal atmosphere, should be considered for the parts that do not contact with the ground or soil. Epoxy zinc-rich primer, epoxy mica intermediate paint and polyurethane finish paint are usually used for anticorrosion. In addition, sometimes the operating temperature of the storage tank should be considered for selection.

 

3, the top of the tank anticorrosion coating the same as the tank of the outer wall coating system, atmospheric corrosion environment needs to be considered, in addition, due to the need of maintenance and monitoring inspection, need for personnel on the top of the tank, so usually will top made antiskid rough surface, it is between two polyurethane paint evenly sprinkle with 60-80 quartz sand, in order to prevent the staff slipped and body damage during operation.

 

Stainless steel storage tanks in daily use should also be regularly maintained and maintained, so as not to cause corrosion to storage tanks due to the corrosive contents, affecting the performance of storage tanks, reduce the service life, causing unnecessary losses.

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