柴油发电机组的发动机是如何预热、磨合的?

2025-04-06 23:45:32
推荐回答(2个)
回答1:

对于新的柴油发电机各个零部件都是新件,相互配合表面均未达到良好的配合状态,因此必须进行走合运行(又称磨合运行)。
走合运行是指使柴油发电机在低速、低负荷工况下进行一定时间运转,以使柴油发电机所有运动配合面间逐渐磨合,逐渐获得理想配合状态。
走合运行对柴油发电机使用可靠性和寿命具有重要意义。柴油发电机厂家的新机和大修机在出厂前均已进行初期走合运行和性能检测,使用时不需要再进行长时间空载走合运行。但使用初期,
柴油机仍处于磨合状态,为使新机走合状况更好些,以延长其使用寿命,故在新机使用初期应注意以下事项。
1、初始100h工作时间内,使用负荷应控制在3/4标定功率范围内。
2、避免长时间怠速运行。
3、密切注意监视各项运行参数变化状况。
4、经常检查油面位置和油质变化状况。初期运行机油更换期应缩短,以防止磨合所产生金属颗粒混人机油造成严重磨损。一般应在初始运行50h后更换一次机油。
5、当环境温度低于5℃时,冷却水应进行预热,使水温升至20℃以上时,方可进行起动。

回答2:

打着转两分转再合闸输出

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