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What Is The Application And Cleaning Of Air Cooled Heat Exchanger?
Jan 19, 2018


Application of air cooled heat exchanger


Air (wind) cooler is mainly used for traveling machinery (excavators, loaders, forklifts, cranes, combine harvesters, road construction machinery, construction machinery, etc.). Its working principle is forced to cool the working medium with air-cooled to the required temperature. 


Cleaning of air cooled heat exchanger


Because most of the cooling water contains calcium, magnesium ions and acid carbonate, when cooling water flows through the metal surface, there is carbonate formation. In addition, the oxygen dissolved in the cooling water can also cause corrosion of the metal to form rust. Due to the generation of rust scale, the heat exchanger effect of the condenser will drop. Seriously it had to spray cooling water outside the shell, the scale will seriously plug the pipe, so that the effect of heat lost. Research data shows that scale deposits have a huge impact on heat transfer losses. The increase in sediment will result in increased energy costs. Even a very thin layer of scale would increase the operating costs of more than 40% of the scaling in the equipment. Keeping the cooling channels free of mineral deposits can improve efficiency, conserve energy and extend equipment life. At the same time it can save production time and costs.


For a long time traditional cleaning methods such as mechanical methods (scraping, brushing), high pressure water cleaning, chemical cleaning (pickling) and so on have many problems when cleaning the equipment: it can not completely remove the scale and other sediments. The acid made corrosion to the equipment and form the loopholes. Residual acid made secondary corrosion or scale corrosion to the material. Eventually it leads to the replacement of equipment. In addition, cleaning waste is toxic so it requires substantial funding for wastewater treatment.


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