Hongda Cleaning - Pay special attention to brass, especially. Brass is primarily composed of copper, with a high zinc content to prevent dezincification. When selecting acid cleaners, opt for lower concentrations. Generally, desulfurizing agents are less effective in maintaining both copper and zinc metal materials. Therefore, during the cleaning process, use a gentle cleaning method, such as low concentration, short-term, and low water flow. The exchanger cleaning quote is better at room temperature. Exchanger cleaning

Hongda Cleaning - Generally, for selecting desulfurizing agents, Lan-826 is sufficient. For Huizhou heat exchanger cleaning, for other modifiers such as surfactants, slime strippers, foaming adhesives, etc., the selection should be based on the cleaning agent selection criteria and detailed circumstances. In some special cases, it is crucial to carefully select when the cleaning material may have defects or is relatively thin or other special conditions. Heat exchanger cleaning

Hongda Cleaning - When cleaning heat exchangers, clearly identify the cleaning areas and the material of the heat exchanger. After sampling and analysis, provide heat exchanger cleaning services and select experimental reagents based on the material of the heat exchanger and the level of fouling. For carbon steel materials primarily with sulfide scale and rust, generally choose sulfuric acid as the main cleaning agent, which is effective and safe. Alternatively, citric acid can be selected as the main cleaning acid due to safety considerations. For stainless steel panels, generally use cleaning acids, also considering safety or, based on specific circumstances, choose pH-neutral main cleaning agents. When cleaning heat exchangers made of copper materials, it is essential to note the type of copper. Heat exchanger cleaning

Hongda Cleaning - Common Organic Chemical Cleaners: Cleaners that use dissolution properties to remove dirt; surfactant cleaners that use surface-active properties to remove dirt; and organic chemical cleaners that use chemical change properties to remove dirt. Heat Exchanger Cleaning

Hongda Cleaning - The advantages of the fixed tube sheet heat exchanger are: simple structure; ample tube slots and bypasses within the same shell diameter; each heat exchange tube can be removed and replaced; it is convenient for cleaning, and the tubes are easy to clean. Heat Exchanger Cleaning

Hongda Cleaning - The defect of the fixed plate heat exchanger is that the shell side cannot be subjected to mechanical cleaning; when there is a significant temperature difference between the tube bundle and the shell (exceeding 50℃), it causes temperature difference stress. The countermeasure is to set a compensator on the shell to limit the working pressure of the shell side due to the strength of the compensator, which cannot be too high. It is only suitable for fluid mechanics cleaning and is not prone to scaling, and the temperature difference between the two fluids is not significant, or the temperature difference is large but the shell side working pressure is not high. Heat Exchanger Cleaning

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