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How to effectively clean the scale inside the jacket

Some customers have reported that the cooling effect and heating efficiency will be worse after using the glass lined reactor for a period of time. This may be caused by the long-term non-cleaning of the jacket scale. But which method can be used to effectively clean the scale inside the jacket? Now give everyone a simple explanation.

First of all, it needs to be explained that it cannot be cleaned with an acidic solution. Since the jacket of the glass lined reactor is generally made of carbon steel, the acidic solution reacts with it to cause hydrogen embrittlement of the steel sheet and damage the bond between the glass lined and the steel sheet, causing chipping.

It should be washed with alkaline sodium hypochlorite. Sodium hypochlorite solution was introduced into the jacket and the solution was circulated for 3 to 4 hours. The solutions are then drained and rinsed carefully with water. Repeat the above steps 3 to 4 times.


Preparation of alkaline sodium hypochlorite solution: 10%-15% sodium hypochlorite, mixed with 10 liters of water to 375 liters of water.


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