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<h1 class="h1">讲解柴发机组正常工作的油路条件</span></h1>
<div class="text">发布来源：康柴（深圳）电力技术有限公司　　发布日期: 2025-09-23　　访问量:183</div>
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<p>玉柴柴油发电机组采用目前世界上领先的电喷单体泵燃油喷射装置，包括低压、高压燃油系统，玉柴柴油发电机组正常作业时<a href="http://www.szkcfdj.com" target="_blank">康明斯发电机组公司</a>，供油装置管路内不许有空气，否则发电机就难以起动或极易熄火。</p><p>这是由于空气具有很大的可压缩性和弹性。当油箱至柴油发电机输油泵段油管存在漏点，产生漏气时，空气将会渗入，从而减少这段管路内的真空度，使油箱内燃油的吸力减弱，甚至产生断流，引起发电机不能启动<a href="http://www.szkcfdj.com" target="_blank">康明斯发电机官网</a>。在混入空气较少的状况下，油流仍可维持，并由输油泵送往柴油泵，但发电机就可能会起动不成功，或者启动后维持不久又自行熄火<a href="http://www.szkcfdj.com" target="_blank">斯坦福发电机官网</a>。</p><p>玉柴柴发机组的燃油供给系统有低压油路与高压油路之分。低压油路指从油箱至燃油泵低压油腔一段油路，高压油路指从高压泵中的柱塞腔至喷油嘴一段油路。在柱塞泵的供给装置中，高压油路不会有空气渗入，有漏点存在，只会引起燃油的泄漏，想举措堵住漏点即可。</p><p>玉柴柴油发电机组在燃油供给系低压油路中大都采用软胶管，软管容易同零件出现摩擦，造成渗油和进气。漏油比较容易查找，而管路中某处破损进气则不易查找。以下是预判低压油路漏点查找的方法。</p><p>2、将发电机柴油泵放气螺丝松开，用手动油泵泵油，若发现放气螺丝处于开始排出大量气泡的油流，并且在反复手泵后，气泡仍不见消失，即可确定在油箱至输油泵段负压油路有漏点存在。应取下该段管路，然后通往压力气体，并置于水中，找出冒气泡之处，即为漏点所在。</p><p>3、供油系统也会引发玉柴柴发机组不能正常起动。比如，燃油系统中进有空气，这是较常遇到的事故，通常是在替换柴油滤清器滤芯时处置不当（如更替柴油过滤器过滤器后未进行排烟作业）引起空气进入。空气随燃油进入管道后，使管道内的燃油含量减轻，压力降低，不足使喷油嘴打开喷嘴达到10297Kpa以上的高压喷油雾化导致发电机起动困难。此时需进行排气处置，待燃油输送泵进油压力达到345Kpa以上时即可。</p><p>另外，燃油管道堵塞，比如喷油嘴堵塞也会使玉柴柴油发电机组无法起动，此时必须对油路加以清洗方能使油路畅通，发电机组才能启动。</p><p>玉柴柴发机组空气机构出现事故致使发电机组无法启动，也是比较多见的。这种情形通常是因为作业人员疏于管理，不经常对发电机进行维护维保，空气滤清器持久不清理，灰尘等杂物太多，引起空气无法正常供给给柴油发电机而导致发电机组无法正常起动。此时，需要对空气滤芯加以清理或更换，事故得以排除。</p></div><a href="http://www.szkcfdj.com/" target="_blank">http://www.szkcfdj.com</a>
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