焦化發電機組和柴油發電機組等一樣都是作為一種電源設備，機組質量良好，性能穩定。各因素的作用機組難免會出現故障。那么，焦化發電機組功率不足故障什么原因，怎么辦？

Coking generator set and diesel generator set are the same as a kind of power equipment, with good quality and stable performance. Due to various factors, the unit will inevitably fail. Then, what is the reason for the power shortage fault of coking generator set and how to do it?

焦化發電機組進、排系統故障：

Coking generator set inlet and exhaust system failure:

1、空氣濾清器阻塞；解決方法：清洗空氣濾清器芯子或清理紙質濾芯上的灰塵，必要時應更換；

1. The air filter is blocked; Solution: clean the air filter core or dust on the paper filter element, and replace it if necessary;

2、排氣管阻塞或接管過長、轉彎半徑太小，彎頭太多；解決方法：清理排氣管內積碳：重裝排氣接管，彎頭不能多于三個，并有足的排氣截面；

2. The exhaust pipe is blocked or the connecting pipe is too long, the turning radius is too small, and there are too many elbows; Solution: clean up the carbon deposit in the exhaust pipe: reinstall the exhaust pipe, with no more than three elbows and sufficient exhaust section;

發電機組發動機過熱，環境溫度過高，機油和冷卻水溫度很高，排溫也大大增高；解決方法：檢修冷卻器和散熱器，清理水垢，檢查有關管路是否管徑過小，如環境溫度過高應改善通風，臨時加強冷卻措施。

The generator set engine is overheated, the ambient temperature is too high, the oil and cooling water temperature is very high, and the exhaust temperature is also greatly increased; Solution: overhaul the cooler and radiator, clean the scale, check whether the pipe diameter is too small. If the ambient temperature is too high, improve the ventilation and temporarily strengthen the cooling measures.

發電機組連桿軸瓦與曲軸連桿軸頸表面咬毛：有不正常聲音，并有機油壓力下降等現象；解決方法：拆卸發動機側蓋板，檢查連桿大頭的側向間隙，看連桿大頭是否能前后移動，如不能移動則表示咬毛，應修磨軸頸和更換連桿軸瓦；

The surface of the connecting rod bearing bush of the generator set and the connecting rod journal of the crankshaft is scratched: there is abnormal sound and oil pressure drops; Solution: remove the side cover plate of the engine, check the lateral clearance of the connecting rod big end, and see whether the connecting rod big end can move back and forth. If it cannot move, it means galling. Repair the journal and replace the connecting rod bearing bush;

焦化發電機組燃氣系統故障

Gas system failure of coking generator set

1、氣壓低，供氣量不足；解決方法：提高氣壓

1. Low air pressure and insufficient air supply; Solution: increase the air pressure

2、燃氣質量差；解決方法：增大燃氣進氣量

2. Poor gas quality; Solution: increase the gas intake

3、燃氣道堵塞；解決方法:清理；

3. The gas passage is blocked; Solution: clean up;

4、混合器膜片有裂縫；解決方法：更換膜片；

4. Cracks in the mixer diaphragm; Solution: replace the diaphragm;

焦化發電機組氣缸蓋組件故障：此時不但功率不足，性能下降，而且有漏氣、進氣管冒黑煙，有不正常的敲擊聲等現象。

Failure of cylinder head assembly of coking generator set: at this time, not only the power is insufficient, the performance is degraded, but also there are air leakage, black smoke from the intake pipe, abnormal knocking sound and other phenomena.

1、氣管蓋與機體結合面漏氣，變速時有一股氣流從襯墊處沖出：氣缸蓋大螺柱松動或襯墊損壞；解決方法：按規定扭矩擰緊大螺柱螺母或更換氣缸蓋襯墊，需要的話修刮接合面。

1. There is air leakage on the joint surface between the gas tube cover and the engine body, and a stream of air rushes out of the gasket during speed change: the large studs of the cylinder head are loose or the gasket is damaged; Solution: tighten the large stud nut according to the specified torque or replace the cylinder head gasket, and scrape the joint surface if necessary.

2、進、排氣門漏氣；解決方法：拆檢進、排氣門，修磨氣門與氣門座配合面；

2. Air leakage of inlet and exhaust valves; Solution: disassemble and inspect the inlet and exhaust valves, and grind the mating surface between the valve and the valve seat;

3、氣門彈簧損壞；解決方法：更換已損壞的彈簧；

3. Valve spring is damaged; Solution: replace the damaged spring;

4、氣門間隙不正確；解決方法：重校氣門間隙至規定值；

4. Incorrect valve clearance; Solution: recalibrate the valve clearance to the specified value;

5、活塞環卡住，氣門桿咬住引起氣缸壓縮壓力不足；解決方法：拆下檢修、清理并更換已損壞的零件；

5. The piston ring is stuck, and the valve rod bites, causing insufficient compression pressure of the cylinder; Solution: dismantle, repair, clean and replace the damaged parts;

焦化發電機組進、排氣相位變動；各檔轉速下性能變差；解決方法：進行配氣相位和氣門間隙檢查。

Phase change of inlet and exhaust of coking generator unit; The performance becomes worse at each speed; Solution: check the valve timing and valve clearance.

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