发电机组水箱中冒气泡,一般是气缸中的高压气体窜入冷却水道造成的,窜气的原因及排除方法如下:
Bubbles in the water tank of the generator set are generally caused by the high-pressure gas in the cylinder flowing into the cooling water channel. The causes of gas channeling and the elimination methods are as follows:
1.缸盖平面加工不平或变形,造成漏气,这时应磨削缸盖平面或更换缸盖。
1. The cylinder head plane is uneven or deformed, resulting in air leakage. At this time, grind the cylinder head plane or replace the cylinder head.
2.缸套台肩高度不够或机体上台肩孔深度过大,造成缸套装入机体后,凸出机体平面高度不够,甚至下陷,燃气就会从台肩处窜入水道。因此,装配前应试装,检查凸出量,并保证其在允许范围内。
2. The height of the cylinder liner shoulder is not enough or the depth of the upper shoulder hole of the engine block is too deep, resulting in insufficient height of the cylinder block protruding from the plane of the engine block or even sinking, and the gas will jump into the water channel from the shoulder. Therefore, trial assembly shall be conducted before assembly to check the projection and ensure that it is within the allowable range.

3.装配不当,造成缸套台肩处断裂而窜气。按规定方法换新缸套。
3. Improper assembly causes the cylinder liner shoulder to break and blow by. Replace the cylinder liner according to the specified method.
4.未按规定力矩拧紧缸盖螺母,若力矩太小,缸盖没压紧,高压燃气就会窜入水道。应按规定力矩拧紧缸盖螺母,并定期重新拧紧。
4. The cylinder head nut is not tightened according to the specified torque. If the torque is too small and the cylinder head is not compacted, the high-pressure gas will blow into the water channel. Tighten the cylinder head nuts according to the specified torque and retighten regularly.
5.气缸垫使用时间过长,被冲坏或烧损,密封性变差,造成漏气。要更换新气缸垫。
5. If the cylinder gasket is used for too long, it will be damaged or burned, resulting in poor sealing and air leakage. Replace the cylinder gasket with a new one.
水箱在发电机组中起着相当大的作用,如果水箱使用不当,会对发电机组造成不必要的损坏,所以要注意正确使用和保养,从而保证发电机组的正常使用。
The water tank plays a considerable role in the generator set. If the water tank is not used properly, it will cause unnecessary damage to the generator set. Therefore, attention should be paid to correct use and maintenance to ensure the normal use of the generator set.
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