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Causes of scale and rust
Rust is the result of oxidation of water, iron, and oxygen. Because there are rust formation conditions in the water jacket: first, the water jacket itself is made of cast iron; second, the water itself contains oxygen, and when the water surface of the radiator is lower than the water jacket, the water jacket enters into the air. These are all formed. Rust conditions. When the engine is running, the body temperature rises, accelerating oxidation corrosion. When the cooling water is hard water (ie the cooling water used is natural water, such as river water, well water, etc.), the water contains minerals. When the temperature rises, these minerals precipitate and form scale. If you add soft water (such as distilled water) it will not form scale.
Measures to prevent engine scale and iron embroidery
In order to prevent the generation of rust and scale, the following measures can be taken:
(1) Add anti-rust agent;
(2) Add soft water as much as possible and add tap water;
(3) Maintain the radiator surface height and prevent air from entering the water jacket so as to reduce the generation of rust;
(4) To protect the cooling system, it is best to use antifreeze, otherwise cold weather water icing easily swell water jacket;
(5) The radiator should be prevented from leaking water and the number of water additions should be reduced. At the same time, the number of water changes should be reduced and excessive scale should be prevented.
Scale and rust are generated. An insulating film is formed between the inner wall of the water jacket and the water. Because of poor thermal conductivity, the cooling effect is greatly reduced, and the heat generated by the engine cannot be emitted, which is not conducive to the stable performance of the performance. After we understand the causes of scaling and rust formation, we can begin to prevent it and reduce such occurrences to protect the engine.
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