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磨煤喷粉机的运行防范措施
时间:2011-08-31 16:04 作者:华普测量 点击:次

磨煤喷粉机的运行防范措施：
　　（一）运行人员认真进行调整，发现个别磨煤喷粉机排煤量大积极协调各磨煤机出力，在不影响机组负荷的情况下，尽量减小排渣量大的磨煤机出力。
　　（二）增加磨煤喷粉机的定期检修和维护工作，建议磨煤机累积运行2000小时后每增加1000小时进行一次检查，对损坏部件更换或根据磨损情况调整磨辊和磨碗间隙。
　　（三）加强输煤管理，尤其是增强对碎煤机、除铁器的运行及维护，防止因杂物进入磨煤机造成磨煤机堵渣。
　　通过对排渣量大的磨煤喷粉机的一次风进行跟踪调整，并通过调查历史趋势曲线，各磨煤机出口风压基本都维持在2.0kPa左右，高于设计值1.2kPa。可以判断造成排渣量大原因不是风量调整的问题，为设备原因。
　　（四）加强排渣人员的业务培训，避免因操作不当造成磨煤机堵渣。
　　（五）加强排渣人员的管理，要求排渣人员发现磨煤机排渣异常及时汇报锅炉值班员，发现排查系统设备缺陷及时通知锅炉值班员联系检修处理，并做好记录。

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