How should the shell side of a heat exchanger be cleaned? Is cleaning the outside of the tubes the better method? ?
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I would like to ask some expert: One of the heat exchangers in our factory, which is used for exchanging heat between circulating water and ammonia, has very poor heat exchange efficiency. Increasing the volume of circulating water does not help either. It is suspected that a chemical reaction is taking place on the shell side, resulting in the accumulation of reactive substances on the outside of the tubes, or that the medium itself is dirty and causes such accumulation, leading to the poor heat exchange performance. Has anyone with experience done cleaning of the shell side of heat exchangers? For media such as ammonia, how should chemical cleaning be carried out, and is it effective? ? ?
If it is possible to access the interior of the heat exchanger, high-pressure cleaning should be carried out; if that is not feasible, then consider whether chemical cleaning methods can be used. Consulting a professional service agency is advisable. In theory, ammonia heat exchangers should not get dirty, and we clean the inside of our ammonia heat exchangers by cleaning the tube side.
The ammonia heat exchanger may be affected by lubricant scale, and chemical cleaning is a suitable method.
With all that has been said, I’d like to ask: could it be that the heat exchange area is insufficient?
As long as it is not completely blocked and water can flow through, chemical cleaning can be used.
Repeating creates autism. AOLO formulated products are easy to wash off!
An IRIS inspection of the equipment can be carried out first; depending on the situation, it may be necessary to consult a professional chemical cleaning company.
We are a high-tech enterprise specializing in online descaling and anti-scaling using physical methods, enabling your heat exchangers to operate continuously for extended periods without the need for frequent cleaning. Further exchanges are welcome. shcsb11@163.com