The main combustion mode of gas generator unit is as follows:

　　1、燃氣發(fā)電機組的富燃燒，所謂富燃燒是指燃料較多，氧氣相對較少，但其動力大，但由于燃燒在缸體內(nèi)不會充分，會通過排煙管向外排放。優(yōu)點是功率充足，燃料溫度低，不足之處是一氧化碳排放量大，油耗高。

The so-called rich combustion refers to the rich combustion of gas-fired generator set, which means that there are more fuels and less oxygen, but its power is large, but because the combustion is not sufficient in the cylinder, it will be discharged outward through the exhaust pipe. The advantages are sufficient power and low fuel temperature. The disadvantages are large carbon monoxide emissions and high fuel consumption.

　2. 化學計量燃燒燃氣發(fā)電機組:指實際金額的比例的氣體和空氣的混合物,可以完全燃燒理論上,,是一個參數(shù),表示匹配的比率的燃料和空氣的混合物。等價比率大于1,混合物中包含表示實際空氣量小于必要的理論空氣量、空氣量不足,燃燒效率下降和燃料當量比的增加,相反,當量比小于1,混合物中含有空氣的實際數(shù)量超過必要的理論空氣量、過?？諝饬?。等效比實際上是過剩空氣系數(shù)的倒數(shù)。氮氧化物的燃燒很高，溫度也很高，達到700攝氏度。

　　2. Stoichiometric combustion gas generator set: it refers to the mixture of gas and air in proportion to the actual amount, which can be completely combusted. Theoretically, it is a parameter indicating the mixture of fuel and air in matching ratio. If the equivalence ratio is greater than 1, the mixture contains the actual air quantity less than the necessary theoretical air quantity, insufficient air quantity, decrease of combustion efficiency and increase of fuel equivalence ratio. On the contrary, if the equivalence ratio is less than 1, the actual air quantity in the mixture exceeds the necessary theoretical air quantity and excess air quantity. The equivalent ratio is actually the reciprocal of the excess air coefficient. The combustion of NOx is very high and the temperature is also very high, up to 700 ℃.

　　3.燃氣發(fā)電機組稀薄燃燒?；旌蠚庵袣怏w含量低，燃氣與空氣的比例可達1:25以上。這種發(fā)動機的不足是由于過量的剩余氧排放造成的動力損失，但其優(yōu)點是汽缸內(nèi)的燃料燃燒充足，nox排放減少。

　　3. Lean combustion of gas generator set. The gas content in the mixture is low, and the ratio of gas to air can be more than 1:25. The disadvantage of this engine is the loss of power caused by excessive residual oxygen emissions, but its advantages are sufficient fuel combustion in the cylinder and reduction of NOx emissions.

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