I would like to ask everyone: how can scale buildup in the shell side of a fixed-tube-sheet heat exchanger be removed?
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As the title suggests, circulating water flows through the shell side of the fixed-tube-sheet heat exchanger. Due to long operation time, severe scaling has occurred on the shell side, and I would like to ask how to remove this scaling. Currently, the temperature difference between imports and exports is only 1-2°C.
Usually, only chemical cleaning is possible; mechanical methods won’t work
It’s just a little short,,, Keeping it as is is the best choice. If nothing else works, disassembly is necessary, with the tubes being soaked using chemical methods. In fact, cleaning the shell side is actually the most difficult part to clean. Typically, the tubes are arranged closely together, making it impossible to use physical methods for treatment. If chemical treatment is used, leaks can easily occur,,,,,. The best approach is to try to hold on as long as possible and handle it in a planned manner. For reference. It is also recommended that addressing water quality issues at the source is the most important approach.
Are there any mechanical cleaning methods, such as using sound waves?
There’s a way. Use dilute hydrochloric acid with a little corrosion inhibitor, then pump it for circulation.
Sound wave treatment also falls under the physical category; ultrasonic cleaning is available, and it is mainly suitable for fixtures, but it can also damage metal joints.
Our product can solve the problem of scaling in circulating water heat exchangers – without electricity or magnetism, and without the need to add any chemical agents, all in real time!
In fixed-tube-sheet heat exchangers, the tube bundle can be replaced, but this only provides a temporary solution rather than a permanent one. The chemical treatment mentioned above causes significant damage to the material of the equipment, and machinery cannot be used for cleaning it. When encountering such a situation, it must be resolved at the source first. Solve water quality problems.
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Analyze the components of scaling, perform chemical cleaning