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    Inspection and debugging of bag filter in grain and feed industry
    share  | 19-07-27release views ID:21328
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Inspection and debugging of bag filter in grain and feed industry
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从目前袋式除尘器在粮食饲料行业运用情况看,存在重选型,轻风网设计的问题,并忽视除尘系统的调节。

粮食饲料行业中处理的含尘气体浓度较高,很大一部分除尘器是作为中间分级处理设备,除尘器选择是达到工艺要求的关键一步,但更不应忽视整个除尘风网的设计,风网设计的优劣直接关系到除尘系统的能量消耗、工作能力和除尘效率。

对于调试,专业厂家的除尘器使用说明书中都作了详细的叙述。调试分为空载调试和负荷调试。空载调试主要确认单机的机械运行和风网的有效性,电气联动的可靠性和程序控制的合理性。负荷调试主要是单机风网的性能调节,使其达到设计要求。

空载调试的一般程序:

①检查传动部分(排灰机构)是否有异物,点动关风器动力开关,检查关风器的运转方向,排灰绞龙运转是否平稳无异响,并使其正常运转的时间应不小于0.5小时。

②检查风机是否有异物,关闭调节阀,点动风机动力开关检查风机的运转方向。

③检查工艺管道的支撑,连接是否稳定牢靠。打开除尘器的检查门,检查滤袋安装的牢靠、密封性,开启风机进行管路运行试验,做到管路运行无异响,密封性好。

④检查电源和气源无误后接通,打开脉冲控制仪按数字显示的顺序检查核实控制线和电磁阀的连接顺序,确认各电磁阀按顺序动作无误。按照脉冲控制仪说明书设定控制回路,电磁阀的个数应与控制仪的输出回路相配。


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