不要讓燃氣發電機處于低溫狀態運行，因為會減少機器的使用壽命，這是什么原理呢？今天燃氣發電機組廠家給大家講解一下發電機在低溫運行下為什么會“減壽”。

Do not let the gas generator run at low temperature, because it will reduce the service life of the machine. What is the principle? Today, the manufacturer of gas generator sets will explain why the generator will "reduce its life" under low temperature operation.

燃氣發電機在低溫下工作時，冷卻水帶走氣缸內大量熱能，使其熱損失增多；混合氣不能很好地形成和燃燒，燃油消耗量會增加8%~10%；成液滴狀的燃油進入氣缸后會沖洗氣缸壁上的潤滑油膜，并滲入到曲軸箱內，使零件的磨損量增加、沖淡油底殼內的潤滑油、增加燃油消耗量和減少功率輸出。

When the gas generator works at low temperature, the cooling water takes away a lot of heat energy from the cylinder, which increases its heat loss; The mixture can not form and burn well, and the fuel consumption will increase by 8%~10%; After entering the cylinder, droplets of fuel will wash the lubricating oil film on the cylinder wall and penetrate into the crankcase, increasing the wear of parts, diluting the lubricating oil in the oil pan, increasing fuel consumption and reducing power output.

一些受熱膨脹的零件因溫度太低而未膨脹到應有的尺寸，從而影響到全機工作性能，例如活塞與氣缸間隙太大，密封不好；

Some parts subject to thermal expansion are not expanded to the proper size due to low temperature, which affects the working performance of the whole machine, for example, the clearance between piston and cylinder is too large, and the sealing is not good;

氣門間隙太大而受搖臂沖擊等，并使燃氣發電機不易啟動。在柴油機工作時，壓縮后氣體的高溫是保證燃料著火的必要條件，當氣缸、活塞等零件溫度降低時，將造成壓縮終了溫度下降、著火延遲和燃燒條件惡化，導致燃料燃燒不完全、燃氣發電機工作粗暴和排氣冒煙。

The valve clearance is too large to be impacted by the rocker arm, which makes it difficult to start the gas generator. When the diesel engine is working, the high temperature of the compressed gas is a necessary condition to ensure the ignition of the fuel. When the temperature of the cylinder, piston and other parts decreases, the temperature at the end of the compression will drop, the ignition will be delayed and the combustion conditions will deteriorate, resulting in incomplete fuel combustion, rough operation of the gas generator and smoke exhaust.

當水箱冷卻水溫度過低時，潤滑油溫度隨之下降，機油在氣溫較低時粘度較大，其流動性變差，不僅增加燃氣發電機組的零件磨損，而且由于零件運動阻力增大，使機械功率損失增加，燃氣發電機組的輸出功率就會降低。

When the temperature of the cooling water in the water tank is too low, the temperature of the lubricating oil will drop. When the temperature is low, the viscosity of the oil will be higher, and its fluidity will become worse. This will not only increase the wear of the parts of the gas generator set, but also increase the mechanical power loss due to the increase of the movement resistance of the parts, and the output power of the gas generator set will decrease.

所以燃氣發電機在非常寒冷氣候條件下作業時，要增用輔助啟動設備，比如燃油加熱器、機油加熱器、水套加熱器等，利用燃油加熱器或電加熱器，將冷態發動機的冷卻水和燃油潤滑油加熱，使整個發動機升溫，以便能順利地起動。當機房溫度不低于4°c時，好安裝冷卻液加熱器使發動機缸體維持溫度在32°c以上。

Therefore, when the gas generator is operating in a very cold climate, it is necessary to add auxiliary starting equipment, such as fuel heater, oil heater, water jacket heater, etc. The fuel heater or electric heater is used to heat the cooling water and fuel lubricating oil of the cold engine, so that the whole engine can be heated up, so that it can be started smoothly. When the temperature of the engine room is not lower than 4 ° c, install the coolant heater to keep the temperature of the engine block above 32 ° c.

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