168 当代化工研 百家争鸣 201705 电力系统自动化设备应用与电磁兼容分析 ★都成刚黄静 (南京南瑞继保电气有限公司江苏211102) 摘要:文章首先对电磁兼容的相关概念进行简要分析,在此基础上对电磁兼容在电力系统自动化设备中的应用进行论述。期望通过本文 的研究能够对电力系统运行安全性稳定性及可靠性的提升有所帮助。 关键词:电力系统;自动化设备;电磁兼容 中图分类号:T 文献标识码:A Application of Electric System's Automation Equipment and Analysis of Electromagnetic Compatibility Du Chenggang ,Huang Jing Nanrui Jibao Electric Co .,Ltd .of Nanjing Jiangsu 211102 Abstract :In this paper ,it firstly has taken simple analysis of the related concept of electromagnetic patibility ,on which basis ,taken expounding of the application of electromagnetic patibility in the automation equipment of electric system ,so that to provide reference for the safety ,stability and reliability of electric system operation . ey words :electric system ;automation equipment ;electromagnetic patibilit 1电磁兼容的相关概念分析 子电气设备或是自动化系统能够保持正常工作状态的前提 所谓的电磁兼容(EMC)具体是指在电磁环境中,电 下,不对其它事物构成无法承受的电磁骚扰(EMD)的能 下转第169页 上接第167页 (3)必须根据企业自身成长规律来进行企业政工工作。 (2)企业需要完成品牌战略、使其思想政治工作得到创 任何事物都有着自身的发展规律,只有在自身规律得以遵循的 新。第一,企业需要凭惜对自我品牌的推广,让自身形象得 前提下,事物才能得到持续性和综合性发展。企业政工工作作 到曝光,由此获得行业范围内更大的影响力。第二,企业还 为企业文化管理的范畴,对整个企业的文化管理与综合发展都 需要借助品牌在市场中占据一定的份额,如可以凭借品牌文 有着重大作用,所以在进行企业政工工作时必须根据企业自身 化的推广、企业生产产品和广告词的普及等,以实现企业市 成...
201611 百家争鸣 当代化工研究 Intermediat 电力电缆故障的定位方法探析 余欢 武汉金中石化工程有限公司荆门分公司湖北448002) 摘要:随着经济加速发展,对电力系统提出更高的要求,电力电缆也有了更多发应用,随之而来的是越来越多的电缆故障。本文主要是 从电力电缆的组成和份额里出发,对发生电力电缆故障的原因进行分析和分类,探讨查找故障的方法,主要着重于探讨故障的定位。首先 通过行波法或电桥法进行测距,再通过音频感应法、声磁同步法以及声测法等进行精准定位,提升故障定位的准确性和效率。 关键词:电力电缆;故障;行波法 中图分类号:T文献标识码: Analysis of the Location Method for Power Cable Malfunction Yu Huan ( JingmenBranch office ,Jinzhong Petrochemical Engineering co .,LTD of Wuhan Province ,Hubei ,448002 ) Abstract :As the speeding up economic development ,which puts forward higher requirements for power system and the power cable also have more multiple applications ,along with which is the followed cable malfunction .This article mainly start from the position and share of power cable ,takes analysis and classification of the reason causing power cable malfunction ,explores the method of finding the malfunction and mainly focuses on discussing the location of the malfunction .Firstly ,through the traveling wave method or bridge method to take the distance measurement and then through the frequency induction method ,magnetic sound synchronization method and sound identification method etc .to take accurate positioning and impro...
81 当代化工研究 百家争鸣 201602 电力油务管理中常见的问题和对策 童洁 国网宁夏电力检修公司宁夏银川750001) 摘要:随着改革开放进程的不断深入,我国社会经济得到了快速发展,与此同时,居民生活用电量、工业生产用电量也呈现出了急剧增 长的趋势,电力企业面临着越来越大的供电压力。在这样的背景下,电力企业只能通过不断加大对电力电网的建设,以缓解目前电力方面 的供需矛盾,但却给电力油务管理增加了一定的难度。本篇论文主要分析、探讨了电力油务管理工作中比较常见的问题,并提出了相应的 对策,以期对促进我国电力行业的进一步发展提供一定的帮助 关键词:电力油务管理;常见问题;对策 1分类号:T文献标识码:A Common Problems and Countermeasures in Electricity Oil Management Tong jie Ningxia Electric Power Overhaul Company of State Grid ,Ningxia Yinchuan ,750001 Abstract :With the further process of the reform and opening-up policy ,China's social economy gets a fast development speed ,meanwhile , inhabitant domestic consumption and industrial production electricity output also show a tendency of rapid rise ,so the power enterprises are facing higher power supply pressure .Under that background ,the power enterprises can only take method of putting more efforts on the electric power and electric nenwork construction to release the imbalance between supply and demand of present electricity ,however ,it increases difficulty for electricity oil management .In this paper ,it mainly takes analysis and discussion on the mon problems in electricity oil management work and puts forward ...
201606 科研开发 当代化工研究 100 Chenmical Intermediate 电力应急指挥系统应用研究 刘焱 (中海石油环保服务(天津)有限公司天津300452) 摘要:随着社会经济的快速发展,人们对电力的需求量不断增长。做好电力生产的应急机制建设可以有效促进电力安全生产,加强专业 协同,提高电力运行的整体效率。电力应急指挥系统是安全生产的核心,可以为电力运行提供更加明确的决策依据,提升我国电力企业整 体管理水平。基于此,文章探讨分析了电力应急指挥系统应用要点,以供参考。 关键词:电力应急指挥系统;安全;突发事件 图分类号:T文献标识码 Research on the application of electric power emergency mand system Liu Yan ( CnoocEnvironmental Services Tianjin Co .Ltd ,Tianjin ,300452 ) Abstract :In the face of rapid economic development and the rapid growth of electricity demand ,to do a good job in the construction and improvement of the emergency mechanism of electric power production ,effectively promote the safety of electric power production work to lay a solid foundation ,strengthen the professional collaboration ,improve the overall efficiency ,thus providing a more abundant and accurate decision-making basis ,to further improve the overall management level of power enterprises .At present ,the construction of electric power emergency mand system has no time delay ,based on this ,this paper discusses the main points of the application of power emergency mand system for references . Key words :electric power emergency mand sys...
201611 技术应用与研究 当代化工研究 Intermediate 用聚酯废料合成粉末涂料用饱和树脂的研究 王凯 (沈阳科技学院化学工程系辽宁110167) 摘要:采用回收废料聚酯(PET)航片的降解新工艺,以降解产物对苯二甲酸(TPA)为主要反应物,聚合成粉末涂料用饱和树脂结果表 明:降解产物TPA的回收率达到97%;聚合反应温度为220℃时,产品外观颜色最佳,黏度为0.20/Pas维卡软化点温度达到48℃利用 PE回收废料为原料降解后合成粉末涂料用饱和树脂,具有良好的经济效益和环保效应 关键词:聚酯废料;降解;聚合;饱和树脂 图分类号:TQ文献标识码: Study of the Saturated Resin As the Powder Coating Compounded by Polyester Garbage Wang Department of Chemical Engineering ,Shenyang Institute of Science and Technology ,Liaoning ,110167 ) Abstract :Adopting the new degradation technology of recycling polyester garbage ( PET)in bottle or piece and take the degraded products terephthalic acid ( TPA)as the main reactants and then aggregate into saturated resin in the state of powder coating .The results show that the recovery rate of degradation products TPA can reach 97% ;When the polymerization reaction temperature is 220 C ,the product appearance color is the best with viscosity of 0.20 /Pa .Sand the temperature of vicat softening point of48 C .Utilizing the degradation products PET to recycle waste materials as raw material ,after degradation ,the saturated resin in powder coating is made and it has good economic benefit and environmental effect...
粉煤灰综合利用 2015n0.3 FLY ASH COMPREHENSIVE UTILIZATION 试验与应用 用吸附法从粉煤灰碱性溶液里提取锂 Experimental Study on Litohium Extraction from Fly Ash Alkaline Solution by Absorption Method 侯永茹,李彦恒,代红,侯晓琪 (河北工程大学河北省资源勘测研究重点实验室,河北邯郸056038) 摘要:选择二氧化锰离子筛对经预处理粉煤灰碱性溶液中锂离子进行吸附,将锂离子在大量的粉煤灰碱性溶液 里分离出来,其分离效果可达1.5g/L以上,分离率为80%~85%,使用原子吸收法测定锂的含量,测定结果表明:二氧化 锰离子筛对锂离子的分离效果较好,可作为粉煤灰碱性溶液中锂的吸附剂 关键词锂;二氧化锰;离子筛;分离 中图分类号:X773 文献标识码:A 文章编号:1005-8249(2015)03-0010-03 Hou Yongru ,Li Yanheng ,Dai Hong Hou Xiaoqi ( KeyLaboratory of Resource Exploration Research of Hebei Province ,Hebei University of Engineering ,Handan ,Hebei 056038 ,China ) Abstract :Because manganese dioxide ionic sieve of lithium ion has a distinctive role in selective adsorption ,the lithium ions can be separated from a large amount of fly ash under alkaline liquor .The separation efficiency can reach more than 1.5 g /Land the separation rate is 80% -85% The atomic absorption method is used to measure the content of lithium .The results show that manganese dioxide ionic sieve of lithium ion separation effect is very good ,which can be used as a fly ash adsorbent of lithium in alkaline solution . Key Words :lithium ;manganese dioxide ;ionic sieve ;separat...
施工技术 2012年5月下 CONSTRUCTION TECHNOLOGY 第41卷第365期 瓦屋面防水渗漏原因分析及控制技术 刘文涛 中铁建设集团有限公司,北京100131) 【摘要】目前瓦屋面工程工后不久,天沟泛水、雨水汇集处等部位便会出现漏水情况结合某具体工程实例, 分析瓦屋面防水渗漏主要原因,并提出防水渗漏具体控制措施与关键技术。从设计材料、施工、过程管控等方面 进行综合管理杜绝任何防水质量隐。 【关键词】防水工程瓦屋面;渗漏;控制要点 【中图分类号】T761.11 文献标识码】A [文章编号】1002-8498(2012)10-0056-03 Leakage Causes and Prevention Technology of Tile Roof Liu Wentao China Group Co ..100131 ,China ) Abstract :Leakage happens at the gutter ,flashing ,rain gather of some project which is finished before long .Combining with the concrete projects ,the main waterproof causes of tile roof are analyzed ,and the control measures and key techniques of preventing leakage are put forward .The prehensive management is applied at the design ,materials ,construction ,process control to eliminate quality diseases for waterproof construction Key words :waterproof ;tile roof ;leakage ;control points 随着房地产经济的快速发展,为增加建筑的立 面。屋面工程工期为9个月,由于工程工期紧,整个 面效果,部分屋面设计成瓦屋面。但不少瓦屋面工 瓦屋面施工周期约30d,竣工验收及使用过程中发 程竣工后不久就在天沟、泛水、雨水汇集处等部位 现不少渗漏,其中坡屋面起坡处、6层部分外墙保温 出现渗漏。现结合实例分析瓦屋面渗漏的原因以 内渗漏严重 及渗漏的控制要点,并提出相应的预控措施。 2瓦屋面防水渗漏原因分析 1工程概况 下面结合工程具体渗漏部位,进行原因分析。 某住宅小区建筑面积110000m2,共23栋单体 2.16层入户雨篷 住宅楼,建筑楼层为6层,层高2.9m,其中10栋住 此处是两个坡屋面及一个平屋面雨水汇集处 宅楼6层设计...