HAZOP分析在汽油升级改造项目中的应用

针对某石化60万t/a汽油升级工程设计特点,运用危害与可操作性分析技术(Hazard Operability,HAZOP)方法进行了分析研究,考虑了对人员安全、环境污染及财产损失3方面的影响,分析问题400多项,提出建议200余条,这些建议均获得石化公司和设计单位的认可。研究表明,HAZOP分析技术方法能够有效地辨识汽油升级改造装置中存在的安全隐患,提高了装置设计的本质安全,为将来降低各类安全事故发生的可能性有着十分积极的作用。     

推行HAZOP方法应用提高工艺本质安全

危险与可操作性分析(HAZOP)已被视为确保设计和运行完整性的标准惯例,是当前中国石油大力推行的工艺安全分析方法.本文结合韩2集气站实例,简述公司推行HAZOP的历程及通过开展HAZOP分析工作提高工艺生产装置的本质安全程度,并提出消除隐患和改善安全生产条件的整改措施及建议,确保主要生产设施持续安全生产等实际应用效果.     

HAZOP在煤矿安全评价中的应用研究

危险源及可操作性(HAZOP)分析是一种用于辨识工艺危险源,分析后果并提出对策的安全评价方法。介绍了危险源和可操作性分析(HAZOP分析)程序,重点介绍了分析过程。分析了HAZOP在煤矿安全评价中的必要性、可行性,并提出了具体模型。应用实例表明,HAZOP是提高煤矿安全评价能力的行之有效的方法。     

HAZOP安全评价方法在东村煤矿的应用

0引言危险和可操作性研究(HAZOP)研究的侧重点是工艺部分或操作步骤各种具体值,它的基本过程就是以引导词为引导,对过程中工艺状态的变化(偏差)加以确定,找出装置及过程中存在的危害。HAZOP分析方法适用范围比较广泛,当工艺设计要求很严格时,使用危险和可操作性研究评价方法最为有效,而广泛运用于对工艺要求严格的化工行业安全评价及     

HAZOP分析方法在气体分馏装置设计阶段应用

以气体分馏装置设计阶段工艺管道和仪表流程图(PID)为主要依据,讨论HAZOP分析与风险矩阵结合的应用流程,根据HAZOP分析结果,有效地识别到气分装置设计阶段工艺安全管理存在的风险,提出了降低风险的措施,并基于HAZOP分析在实践中应用情况,提出了其应用过程中注意的事项。     

定量风险矩阵在HAZOP分析中的应用研究

HAZOP方法通过结构化和系统化的方式识别潜在的危险与可操作性问题,在化工安全评价中得到了广泛应用。但其做为一种定性评价方法,定量化是其发展的趋势,文中探讨了定量化风险矩阵技术在HAZOP分析中应用的问题,研究提出了将道化学火灾、爆炸危险指数方法应用于风险矩阵事故后果严重度的计算和将事故树评价方法应用于风险矩阵事故发生概率的计算,实现了风险矩阵的定量化并应用于HAZOP分析,为HAZOP分析的定量化提供了一种新的技术方法。     

综放开采工艺机械危险源研究

为了控制综放开采工艺中机械设备作业时存在的危险源,运用文献分析法总结出综采工作面放顶煤开采工艺流程中的危险源节点,建立综采工作面放顶煤开采工艺HAZOP分析系统。根据综放开采工艺流程,设立割煤系统、移架系统、推移前部输送机系统、放顶煤系统、拉后部输送机系统共5个系统,划分出7个含参数的工作节点。结合实例煤矿,重点分析了放顶煤系统的危险源节点及各参数计算过程,并根据HAZOP分析结果,给出每个危险工作节点对应的安全措施,以期预防和控制事故的发生。     

CM管理模式下的质量控制模式研究

CM是20世纪60年代出现在美国的工程项目管理模式,在我国的工程建设领域进行了一些尝试,但还没有得到很好的发展。该文分析了CM模式的特点,探讨了在CM管理模式下多方面共同参与的持续改进的质量控制模式,期望通过进一步明确不同的质量控制点及各控制主体之间的关系,能够有助于业主、CM公司、设计单位乃至施工承包方在不同方面得到益处。     

建筑合同风险的防范

针对建筑合同的多样性、复杂性，其隐含的多种风险，特别是对承包方的风险增多的分析，提出如何应对的措施。     

矿井生产运营总承包模式的绩效考评体系研究

为了探讨研究矿井生产运营总承包模式下的绩效考评体系,以双方的委托代理关系为基点,从委托方对承包方的绩效考评、承包方内部的绩效考评两个层面为切入,构建了绩效考评体系,通过绩效考评引导双方履行各自职责,实现双方价值最大化。     

Current situation and future trend of China rare earth luminescent material industry

<正>Rare earth luminescent material is one of the most important application sectors of rare earths.China enjoys the exceptional advantage to develop rare earth luminescent material for its abundant rare earth resources.After several decades'endeavor,China's rare earth luminescent material industry,headed by rare earth phosphor for lamp and LED and high efficient rare earth energy-saving light source,has been gradually developed into a scale industry.China has become a major production base of rare earth phosphor for lamps and rare earth     

China rare earth market review

正June 1~10,2014Rare earth market remained weak.Quoted price of rare earth products was similar to that in May.There was no sign of recovery in downstream market.The market of NdFeB magnetic materials and phosphor was depressed.Catalyst,polishing powder and ceramic industries remained inactive.Demand from downstream industry was soft.Consumers purchased on their needs.Suppliers had strong intention to sell.Prices of rare earth products     

Annual Report analysis of Chinese rare earth-related listed companies in 2013

<正>Chinese rare earth-related listed companies have published their 2013 annual reports.It can be understood from their reports that production and operation activities of Chinese rare earth-related companies were still heavily affected by macro economy and industrial policies.They basically followed the steps of national economy.In 2013,world economy recovered slowly but the economy     

Market opportunities and challenges for rare earth polishing powder

正1.Status of rare earth polishing powder Rare earth polishing powder with high content of cerium oxide began to replace iron oxide for glass polishing and became one of the key materials in glass polishing process since 1940.Compared with traditional iron oxide,rare earth polishing powder has many advantages,such as fast polishing rate,high polishing quality and long service life.It can achieve good surface quality and improve operation conditions.For example,in lens polishing,the polishing work that cerium     

Baotou Research Institute of Rare Earths developed a new RE alloy preparation technology

正Pyrometallurgy Laboratory of Baotou Research Institute of Rare Earths had independently developed a new preparation technology of rare earth alloy for NdFeB.The alloy can remarkably enhance the coercivity of NdFeB magnet but also evidently reduce the production cost of the magnet.The new master alloy was prepared in the kA pilot-scale electrolytic cell by the independent technology.The rare earth master alloy can be used as the raw material for NdFeB.Compared     

Market and recycling of NiMH battery

<正>Market status and future trend of NiMH battery1.Global market of small NiMH battery Global market size of small NiMH batteries declined year on year since 2011.The trend will continue to 2018,at the rate of 5%to 10%annually.Demand for small NiMH batteries will be stable gradually.Many electrical apparatuses are powered by the built-in lithium battery today,which is the main reason for the shrunk market of small NiMH batteries.But,for some products,small NiMH     

China rare earth market review

正September 1-10,2014 Affected by the National Day holiday,rare earth transaction was stagnant and the market showed a weak steady state.As there was no good news for downstream market,some products with flat demand would likely rally slightly for some time to     

2014 second batch of rare earth quota released

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矿用防爆轴流对旋主要通风机叶片ANSYS模态分析及应用

高效节能矿用防爆对旋主要通风机的叶片是主要通风机运行的关键部件,叶片在运行时不断受到气流的作用力,从而使叶片产生振动,当叶片振动的频率与叶片的固有频率接近时,容易产生共振从而导致叶片的断裂。一旦叶片断裂时,对主要通风机的安全运行产生致命的影响,从而导致矿山、化工等企业发生重大事故,将会产生不可估量的损失。基于有限元分析软件ANSYS,对高效节能矿用防爆轴流对旋主要通风机叶片进行模态分析及产生对应的六阶模态频率,对主要通风机叶片的运行频率、固有频率及产生的共振问题进行了原理分析,并且解决了叶片频率共振的问题,从而为主要通风机叶片结构设计提供理论依据,并对主要通风机叶片的安全运行提供保障。     

2013 NdFeB export analysis

<正>China totally exported nearly 24,000 tonsof NdFeB products during 201 3,including 18,825 tons of permanent magnet,valued USD 1.34 billion at an average price of 71.4 USD/kg;3,277 tons of NdFeB magnetic powder,valued USD 1 01 million at an average price of 30.9 USD/kg;1,334 tons of strip casting ribbon,with total export value of USD 74million at an average price of 55.3 USD/kg;and 586