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    细述燃烧器点不着火的原因及处理办法
    time：2021-08-23 views： 2311 author ： GACO
        燃烧器点不着火的原因：燃烧器喷油嘴不喷油，可能的原因有供油管道堵塞、油泵不泵油、供油管道真空泄漏等。卸下高压出油管即可检查油泵的泵油情况，正常泵油时应有油柱向外喷出。
     
        喷油嘴不喷油还有一种原因，就是断油电磁阀没通电。当断油电磁阀失电时，即便油泵正常运转，高压端也不会向喷油嘴供油，只有控制器使断油电磁阀通电后才允许燃料油喷出，其目的是防止炉膛内原来积存的燃料油遇明火时爆燃。
     
        正常情况下，点火时燃烧器先进行预吹风，吹净燃烧室内的残余燃料油，然后再喷油点燃。预吹风阶段尽管油泵电机运转，但断油电磁阀不通电，油泵泵出的高压柴油被断油电磁阀截止，不能通往喷油嘴。
     
        不产生高压火的原因，一是点火变压器没有通电（ 可能是供电线路或控制器内的继电器接触不良）；二是两点火电极间由于积碳而绝缘不良，高压被泄漏，没有产生放电火花。点火电极间的距离应为3mm左右，点火电极距喷嘴前端面的距离约为5~7mm,两电极间必须绝缘良好。
    深入剖析干燥热风炉排污注意事项
    再次介绍燃烧器的分类及作用
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