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塔机起升机构钢丝绳打扭的探究

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Equipment Manufacturing Technology No.9,2015 Application of SNCR Denitrification Technology in Circulating Fluidized Bed Boiler SUN Li ,ZHANG Gui—ping ,ZHANG Pei-liang ,JIA Rui-wen ,WANG Xian—zhou ,YOU Xing—qi (1.Jiehua Holdings Co.,Ltd.Haining Zhejiang 314419,China; 2.Shenma Nylon Chemical Co.,Ltd.Pingdingshan Henan 467013,China) Abstract:NOx emission of three circulating fluidized bed boiler uses SNCR denitration technology.By rationalizing the process design,the system is reliable to the environmental protection and design requirements. Stable concentration of nitrogen oxide emission reduces to 100 mgCm。or less,the denitration efifciency achieves an average of 75%,ammonia slip is less than 4 mg/m . Key words:circulating lfuidized;bed boiler;SNCR;denitration (上接第183页) 6钢丝绳打扭后的处理方式 当起升钢丝绳出现打扭 时,可以反向搅动防扭 7结束语 综上所述,在处理塔机起升机构钢丝绳打扭过 装置释放钢丝绳旋转力,达到一定程度时缓慢地将 吊钩拉到最顶端,来回走动小车,直到完全释放钢丝 绳的旋转力(当放下吊钩离地半米时钢丝绳不打扭 即为完全释放)。也可将钢丝绳全部收回卷筒后,重 新穿绕吊钩钢丝绳,但过程中要注意钢丝绳旋转力 的释放。 程中,除了分析、判断问题所在时,还应掌握一定的 塔机维修知识和丰富的实际经验,采用正确的处理 方法,才能有效地解决打扭问题。 参考文献: 【1]GB5144—2006,塔式起重机安全规程【S】. 【2】GB/T 503 1—2008,塔式起重机【s】. Research on the Wire Rope Twisting of Tower Crane Hoisting Mechanism HUANG Wei,ZHANG Jun-bao,HU Lang (Guangxi Construction Engineering Group Construction Machinery Manufacturing Co.,Ltd.,Nanning Guangxi 530001,China) Abstract:Through of tower crane hoisting mechanism wire rope twisting of problem analysis,combined with the current situation of the development of the steel wire rope and rope winding process,through its use effect,and to analyze the reasons,to develop solutions. Key words:the tower crane hoisting mechanism;wire rope twisting;analysis;discussion;solutions 186 

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