泥水盾构泥浆管路磨损与减振处理技术
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摘要
为了解决泥水盾构在大粒径卵砾石地层中掘进时,泥浆循环管路出现异常磨损和剧烈振动的问题,以兰州地铁某标段泥水盾构施工为工程背景,对泥浆管路磨损和振动原因进行了分析,并通过对排浆管采用偏心加厚设计、结合面整体铸造、冲刷面增加耐磨环、内壁浇筑高铬钼抗磨合金钢内衬以及管道连接处增加减震喉等方式对泥浆管路进行了改进,有效提高了泥浆管路的耐磨性能,降低了振动。
The wear and vibration of slurry pipe of slurry shield boring in large-diameter cobble stratum of a bid section of Lanzhou Metro are studied; and then the causes of wear and vibration of slurry pipe are analyzed. A series of improvements,i. e. eccentric thickening of slurry pipes,entirety casting of integrated surface,increasing wear rings in the scour surface,adding lining on pipe inner wall with high chromium molybdenum antiwear alloy steel and installing shock absorber on the connection of pipelines,are carried out. The wear resistance property of the slurry pipe has been obviously improved; and its vibration has been reduced.
The wear and vibration of slurry pipe of slurry shield boring in large-diameter cobble stratum of a bid section of Lanzhou Metro are studied; and then the causes of wear and vibration of slurry pipe are analyzed. A series of improvements,i. e. eccentric thickening of slurry pipes,entirety casting of integrated surface,increasing wear rings in the scour surface,adding lining on pipe inner wall with high chromium molybdenum antiwear alloy steel and installing shock absorber on the connection of pipelines,are carried out. The wear resistance property of the slurry pipe has been obviously improved; and its vibration has been reduced.
引文
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[2]王承震.扬州瘦西湖盾构隧道工程施工关键技术[J].隧道建设,2015,35(8):828-833.(WANG Chengzhen.Key technologies for construction of shield-bored Slender West Lake Tunnel in Yangzhou[J].Tunnel Construction,2015,35(8):828-833.(in Chinese))
[3]王盟,唐琳琳.选煤厂重介管路耐磨材料简介及选用[J].煤质技术,2011(1):69-70,72.(WANG Meng,TANG Linlin.The introduction and selection of the wearresistant material used for the heavy medium pipeline in coal preparation plant[J].Coal Quality and Technology,2011(1):69-70,72.(in Chinese))
[4]谭丽,秦海滨.重介选煤厂管路磨损因素分析及耐磨措施[J].矿山机械,2012,40(4):58-60.(TAN Li,QIN Haibin.Analysis of factors affecting wearing of pipelines in heavy-medium coal washery and wear resistant measures[J].Mining&Processing Equipment,2012,40(4):58-60.(in Chinese))
[5]张慧君,董俊华,高炳军.高压油煤浆输送管路中的一种变径弯管及其磨损预测[J].河北工业大学学报,2011,40(6):54-58.(ZHANG Huijun,DONG Junhua,GAO Bingjun.A type of ballooned bending for coal-oil slurry transporting pipeline and its wear prediction[J].Journal of Hebei University of Technology,2011,40(6):54-58.(in Chinese))
[6]田中文,叶武,申都督.挖泥船疏浚管路的磨损分析及耐磨材料的应用[J].广东造船,2013,32(2):45-48.(TIAN Zhongwen,YE Wu,SHEN Dudu.Abrasion analysis in dredging pipelines of dredge and the extending application for wearable material[J].Guangdong Shipbuilding,2013,32(2):45-48.(in Chinese))
[7]崔巍升,宫建国,金涛.化工厂管道振动原因分析及控制[J].流体机械,2011,39(10):34-38.(CUI Weisheng,GONG Jianguo,JIN Tao.Analysis and controlling of pipeline vibration in chemical plant[J].Fluid Machinery,2011,39(10):34-38.(in Chinese))
[8]钱德进,缪旭弘,贾地.阻振质量在出海管路减振降噪中的应用[J].声学技术,2010,29(6):632-636.(QIAN Dejin,MIAO Xuhong,JIA Di.Application of vibration isolation mass in noise reduction of sea-water pipe[J].Technical Acoustics,2010,29(6):632-636.(in Chinese))
[9]陈果,程小勇,刘明华,等.用于管道减振的新型动力吸振器[J].中国机械工程,2014(23):3125-3131.(CHEN Guo,CHENG Xiaoyong,LIU Minghua,et al.A new type of dynamic vibration absorber for pipe system vibration suppression[J].China Mechanical Engineering,2014(23):3125-3131.(in Chinese))
[10]Mclaury B S,Shirazi SA,Viswanathan V,et al.Distribution of sand particles in horizontal and vertical annular multiphase flow in pipes and the effects on sand erosion[J].Journal of Energy Resources Technology,2011,133(2):180-190.
[11]毕耀.高炉气力输送管路磨损机理分析及耐磨处理技术研究[D].武汉:武汉理工大学,2008.(BI Yao.Abrasion mechanism analysis and attrition control technology research of pneumatic conveying pipelines of blast furnace[D].Wuhan:Wuhan University of Technology,2008.(in Chinese))
[12]孔建益,李公法,侯宇,等.潜艇振动噪声的控制研究[J].噪声与振动控制,2006,26(5):1-4,17.(KONG Jianyi,LI Gongfa,HOU Yu,et al.Research on vibration and noise control of submarine[J].Noise and Vibration Control,2006,26(5):1-4,17.(in Chinese))
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