發(fā)電機組產(chǎn)生高溫原因如下：

The reasons for the high temperature generated by the generator set are as follows:

1、長時間超負荷作業(yè)

1. Long term overloaded work

柴油機長時間超負荷作業(yè)，會使其油耗增加、熱負荷升高，從而出現(xiàn)水溫過高現(xiàn)象。為此，應(yīng)避免長時間超負荷作業(yè)。

Long term overloaded operation of diesel engines can increase fuel consumption and heat load, resulting in high water temperature. For this reason, long-term overload operations should be avoided.

2、冷卻液不足

2. Insufficient coolant

柴油機冷卻系統(tǒng)中若缺少冷卻液，則會影響柴油機散熱效果，造成柴油機高溫。對此，應(yīng)經(jīng)常檢查散熱器及膨脹水箱內(nèi)冷卻液存量，液位低時應(yīng)及時補充。

If there is a lack of coolant in the cooling system of a diesel engine, it will affect the heat dissipation effect of the diesel engine and cause high temperatures. For this, it is necessary to regularly check the coolant level in the radiator and expansion tank, and replenish it in a timely manner when the liquid level is low.

3、冷卻液循環(huán)不暢

3. Poor circulation of coolant

節(jié)溫器開度不足，會降低柴油機冷卻系統(tǒng)大循環(huán)的散熱能力。如果柴油機高溫，可以將節(jié)溫器放入水中進行加熱檢查，一般節(jié)溫器的開啟距離為8～10mm。

Insufficient opening of the thermostat will reduce the heat dissipation capacity of the large circulation of the diesel engine cooling system. If the diesel engine is hot, the thermostat can be placed in water for heating inspection. Generally, the opening distance of the thermostat is 8-10mm.

提醒： 水泵性能不良，則會造成冷卻液流量降低，致使柴油機高溫。

Reminder: Poor performance of the water pump can cause a decrease in coolant flow, resulting in high temperatures in the diesel engine.

4、散熱裝置相互干涉

4. Interference between heat dissipation devices

如果液壓油散熱器與水散熱器一前一后放置，當(dāng)液壓油溫度偏高時，勢必會造成水散熱器進風(fēng)側(cè)冷風(fēng)溫度偏高，影響水散熱器散熱。對此，應(yīng)檢修液壓系統(tǒng)散熱情況，降低液壓油散熱器對柴油機水散熱器散熱不良的影響。

If the hydraulic oil radiator and the water radiator are placed in front of each other, when the temperature of the hydraulic oil is too high, it will inevitably cause the cold air temperature on the inlet side of the water radiator to be too high, affecting the heat dissipation of the water radiator. Regarding this, it is necessary to inspect the heat dissipation of the hydraulic system and reduce the impact of the hydraulic oil radiator on the poor heat dissipation of the diesel engine water radiator.

5、散熱器表面附著雜物

5. Foreign matter adhering to the surface of the radiator

散熱器表面附著雜物會使散熱器散熱面積減小，散熱器的迎風(fēng)面積減小，導(dǎo)致散熱器的散熱能力降低，引起柴油機高溫6、風(fēng)扇皮帶過松或風(fēng)扇變形

The attachment of debris on the surface of the radiator will reduce the heat dissipation area of the radiator, decrease the windward area of the radiator, and reduce the heat dissipation capacity of the radiator, causing high temperature in the diesel engine. 6. The fan belt is too loose or the fan is deformed

風(fēng)扇皮帶過松，容易造成風(fēng)扇轉(zhuǎn)速降低，造成散熱器不能發(fā)揮應(yīng)有的散熱能力，導(dǎo)致柴油機溫度過高。此外，風(fēng)扇變形也會導(dǎo)致散熱器的散熱能力不能充分發(fā)揮。對此，應(yīng)定期檢查柴油機風(fēng)扇皮帶是否松弛及風(fēng)扇形狀是否異常。

Loose fan belts can easily cause a decrease in fan speed, resulting in the radiator not being able to dissipate heat properly and causing the diesel engine to overheat. In addition, deformation of the fan can also lead to insufficient heat dissipation capacity of the radiator. Regular checks should be conducted on whether the diesel engine fan belt is loose and whether the fan shape is abnormal.

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