沐鸣2注册测速网址_大庆炼化新型堵漏设备获国家专利
（记者丁玲）10月27日，记者从大庆炼化公司获悉，这个公司检维修中心“王卫劳模创新工作室”发明的一种管道带压堵漏设备，获国家知识产权局颁发的实用新型专利证书。
在炼化企业中，管线出现漏点现象时有发生。堵漏作业首先要对管线进行退料吹扫，再进行可燃气体爆炸分析，合格后才能对管线漏点进行焊接作业。作业时间长，影响正常生产，且存在一定安全风险。
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