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常用柴油发电机的停机方式与注意事项
编辑:广东瓦格耐电力科技有限公司   发布时间:2017-12-08

常用柴油发电机的停机方式与注意事项

常用柴油发电机停机可分为两种:一是正常停机;二是紧急停机。

      正常停机——停机前,先卸去负荷,然后调节调节调速器操纵手柄,逐步降低转速至750r/min左右,运转3~5min后再拨动停车手柄停车;尽可能不要在全负荷状态下很快将柴油机停下,以防出现过热等事故。对12V型柴油机,停车后应将电钥匙由“左”转向“中间”位置,以防止蓄电池电流倒流。在寒冷地区运行而需停车时,应在停车后立即打开机体侧面、淡水泵、机油冷却器(或冷却水管)及散热器等处的放水放水阀,放尽冷却水以防止冻裂。若用防冻冷却液时则不需打开放水阀。对需要存放较长时间的柴油机,在最后一次停车时,应将原用的机油放掉,换用封存油,再运转2min左右进行封存。如使用的是防冻冷却液,亦应放出。

       紧急停车——当常用柴油发电机出现以下情况时,为避免柴油机发生严重事故可采取紧急停车。润滑油压力突然下降;柴油机出现不正常响声;飞轮松动,出现不正常摇摆现象;柴油机超速(飞车);柴油机温度急剧上升;柴油机有管路断裂;柴油机使用现场出现易燃易爆气体等现象。

Diesel generator shutdown can be divided into two types: normal shutdown and emergency shutdown.

      Normal Shutdown - Before shutting down, remove the load first, and then adjust and adjust the governor lever, gradually reduce the speed to 750r / min or so, and then turn the parking handle for 3 ~ 5min. Stop as far as possible not under full load Diesel will soon stop to prevent accidents such as overheating. For 12-cylinder V-type diesel engine, turn the electric key from "left" to "middle" after stopping to prevent the battery current from flowing backwards. When operating in a cold area and parking, open the drain valve at the side of the machine, fresh water pump, oil cooler (or cooling pipe) and radiator immediately after parking, and drain the cooling water to prevent freezing. If you use antifreeze coolant do not need to open the drain valve. Diesel engine needs to be stored for a long time, the last stop, the original oil should be let go, use sealed oil, and then run about 2min storage. If the use of antifreeze coolant, should also be released.

       EMERGENCY STOP - In the event of a diesel engine, take the emergency stop to avoid a serious accident on the diesel engine. The pressure of the lubricating oil suddenly drops; the diesel engine does not sound normally; the flywheel is loose and the phenomenon of abnormal swinging occurs; the speeding of the diesel engine (speed train); the temperature of the diesel engine rises sharply; the pipeline of the diesel engine breaks; the flammable and explosive gas on the diesel engine is used.


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