内燃机车冷却水是使内燃机车运转安全可靠、充分发挥牵引性能和延长使用寿命的重要保证。柴油机工作时,气缸内燃气所产生的高温,使气缸盖、缸套等燃烧室部分或与燃气直接接触的部件强烈受热,如果不及时对这些零部件进行适当的冷却,将使润滑条件恶化、摩擦和磨损加剧,并导致拉缸、烧损、零部件咬死等。因此,冷却状态的好坏,将直接影响到机车质量、运输安全、燃料节约和经济效 Diesel locomotive cooling water is to make diesel locomotive safe and reliable, give full play to traction performance and extend the service life of the important guarantee. Diesel engine work, the cylinder gas generated by the high temperature, so that the cylinder head, liner and other parts of the combustion chamber or direct contact with the strong heat, if not timely cooling of these components will make the lubrication conditions deteriorate, Friction and wear increased, and lead to pull cylinder, burning, parts bite and so on. Therefore, the cooling status will directly affect the quality of locomotives, transport safety, fuel economy and economic efficiency