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气田井口在役安全阀失效风险评估 被引量:1
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作者 张广平 袁亚儒 陈霄 《化工管理》 2017年第32期277-,共1页
安全阀对于承压设备和管道的安全工作具有重要的意义,安全阀的正常工作能有效的降低安全事故的发生。通过对安全阀基本性能的介绍,分析了安全阀失效的诸多影响因素,采用可拓工程系评价方法,建立了风险评价的优度评价方法,可以有效的对... 安全阀对于承压设备和管道的安全工作具有重要的意义,安全阀的正常工作能有效的降低安全事故的发生。通过对安全阀基本性能的介绍,分析了安全阀失效的诸多影响因素,采用可拓工程系评价方法,建立了风险评价的优度评价方法,可以有效的对风险加以评价。 展开更多
关键词 安全阀 风险评估 风险管理 可拓工程学
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A New Extension Theory-based Production Operation Method in Industrial Process 被引量:5
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作者 徐圆 朱群雄 《Chinese Journal of Chemical Engineering》 SCIE EI CAS CSCD 2013年第1期44-54,共11页
To explore the problems of dynamic change in production demand and operating contradiction in production process, a new extension theory-based production operation method is proposed. The core is the demand requisitio... To explore the problems of dynamic change in production demand and operating contradiction in production process, a new extension theory-based production operation method is proposed. The core is the demand requisition, contradiction resolution and operation classification. For the demand requisition, the deep and comprehensive demand elements are collected by the conjugating analysis. For the contradiction resolution, the conflict between the demand and operating elements are solved by the extension reasoning, extension transformation and consistency judgment. For the operating classification, the operating importance among the operating elements is calculated by the extension clustering so as to guide the production operation and ensure the production safety. Through the actual application in the cascade reaction process of high-density polyethylene (HDPE) of a chemical plant, cases study and comparison show that the proposed extension theory-based production operation method is significantly better than the traditional experience-based operation method in actual production process, which exploits a new way to the research on the production operating methods for industrial process. 展开更多
关键词 extension theory high-density polyethylene cascade polyreaction production operation
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