Since the water temperature in the water tank has been maintained at a high temperature, the hydrocarbon radicals in the water will combine with calcium and magnesium ions to form water-insoluble calcium carbonate and magnesium carbonate, commonly known as water alkali. Then with the continuous evaporation and concentration of water, the water-alkali content continues to increase and reaches saturation, and scale is formed.
Therefore, adding pure water with a higher concentration of calcium and magnesium ions will form scale more easily than adding ordinary tap water, so adding this kind of pure water to the water tank has no effect on inhibiting the formation of water tank scale.
1.The harm of scale in the circulating waterway of vehicles:
Everyone knows that the water tank plays a role in heat dissipation under normal working conditions, but once limescale is generated around the water tank, it will greatly affect the heat dissipation effect of the water tank. Because the thermal conductivity of scale is very low, it is only 1/25 of cast iron and 1/50 of brass. The scale formed on the cylinder block lining and cylinder head waterway will cause the temperature of the local area to rise due to poor heat dissipation, which will cause the engine cracks and deformation of the cylinder head are generated in the weak parts.
It not only worsens the heat dissipation performance of the cooling system, but also causes local high-temperature areas, deteriorates the lubrication conditions, increases the engine temperature, and accelerates the wear of the engine system; it also blocks the heat dissipation pipes or cooling system pipes, which greatly reduces the heat transfer efficiency. Overheating the engine directly endangers the safety of drivers.
2.Manual cleaning method:
The water tank needs to be dismantled, and the scale is removed with an artificial hammer, scraper, shovel, etc.; the descaling efficiency is low, the labor intensity is high, it is not easy to clean, and it is easy to cause secondary damage to the water tank.
3.Ordinary scale cleaning agent:
The water tank needs to be disassembled, and the removal is not thorough, the peculiar smell is large, and the corrosiveness is strong, which will easily cause the water tank to age and shorten its service life.
4.Professional water tank descaling agent:
Pour the special scale cleaning agent into the car water circulation system, let it soak, circulate at idle speed or drive for 20-30 minutes, drain the descaling agent inside the water tank and the system, add water and rinse repeatedly to effectively remove the engine water circulation system The scale, rust, mud, and various harmful substances in it.
Although there is a way to clean up the scale, car owners should pay attention to reducing the production of scale. Pay attention to the use of antifreeze. Do not use ordinary water instead of antifreeze, because antifreeze can reduce the boiling of the water tank in addition to antifreeze. This phenomenon occurs. If you use ordinary water, you can't avoid boiling it. The minerals in the water will accelerate the formation of scale.
