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27
2021
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03
How to clean a shell-and-tube heat exchanger
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Long-term operation of shell-and-tube heat exchangers can lead to fouling by scale, resulting in reduced efficiency, increased energy consumption, and a shortened service life. If scale is not removed promptly, the equipment may face costly repairs, unplanned shutdowns, or even replacement. For years, conventional cleaning methods—such as mechanical techniques (scraping, brushing), high-pressure water jetting, and chemical cleaning (acid pickling)—have proven problematic: they often fail to completely remove scale and other deposits, while also causing corrosion to the equipment. Residual acids can induce secondary corrosion or under-deposit corrosion, ultimately necessitating equipment replacement. Moreover, the waste liquids generated during cleaning are toxic, requiring substantial investment for wastewater treatment. Enterprises…
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2026-05-01
Chongqing Shuaihao Machinery Co., Ltd.
With deep expertise in the energy equipment manufacturing sector, we specialize in the R&D and production of energy‑specific equipment such as air coolers and pressure vessels, as well as industrial pipeline installation projects.
Address: No. 5, Annex to No. 8 Mingchen Avenue, Lianhua Subdistrict, Banan District, Chongqing City
Email:shuaihao@shuaihaojx.cn
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