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作者:山东浩中水处理设备有限公司发布时间:2018-07-14 15:41:01tags: 山东车用尿素生产设备

山东车用尿素生产设备:车用尿素结晶堵塞

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常见车型选用的后处理SCR系统可分为无气助型和有气助型两种。一般无气助的尿素喷射工作压力相对较高,所以经常出现喷嘴阀针关闭不严,导致在不该工作的低排温阶段依然工作,山东车用尿素生产设备以致快速结晶,例如:博世系统、重汽一代系统、天纳克系统等;有气助的尿素喷嘴是常开型,其雾化是靠气压来辅助的,如尿素泵气压管路出现故障或喷嘴在高温下炸裂等都会造成喷射雾化不良,以致造成结晶堵塞,例如:依米泰克、康明斯Ecofit、派格丽、威孚力达、重汽二代等。


山东车用尿素生产设备.jpg

山东车用尿素生产设备

车用尿素结晶堵塞的原因

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