清洗世界
清洗世界
청세세계
CHEMICAL CLEANING
2012年
2期
25-27,45
,共4页
李晓阳%俞天兰%张治坤%冯修燕%支校衡
李曉暘%俞天蘭%張治坤%馮脩燕%支校衡
리효양%유천란%장치곤%풍수연%지교형
包塑钢丝螺旋%自转清洗%动力矩%结构优化%流体阻力
包塑鋼絲螺鏇%自轉清洗%動力矩%結構優化%流體阻力
포소강사라선%자전청세%동력구%결구우화%류체조력
steel spiral with plastic coat%self-cleaning and rotating%kinetic moment%structure optimization%flow resistance
本文围绕自转清洗包塑钢丝螺旋的动力学特性进行实验研究。钢丝螺旋的自转动力矩特性,与管内流速的关系呈现为随流速增大而增大的抛物线曲线;开始自转需要的管内流速与钢丝螺旋自身的螺旋角大小关系,则是先随着螺旋角增大而减少、后来随着螺旋角增大而增大,并且以44°螺旋角为最低;管内沿程阻力与钢丝螺旋螺距大小的关系,则是随着螺距增大而显著减少。
本文圍繞自轉清洗包塑鋼絲螺鏇的動力學特性進行實驗研究。鋼絲螺鏇的自轉動力矩特性,與管內流速的關繫呈現為隨流速增大而增大的拋物線麯線;開始自轉需要的管內流速與鋼絲螺鏇自身的螺鏇角大小關繫,則是先隨著螺鏇角增大而減少、後來隨著螺鏇角增大而增大,併且以44°螺鏇角為最低;管內沿程阻力與鋼絲螺鏇螺距大小的關繫,則是隨著螺距增大而顯著減少。
본문위요자전청세포소강사라선적동역학특성진행실험연구。강사라선적자전동력구특성,여관내류속적관계정현위수류속증대이증대적포물선곡선;개시자전수요적관내류속여강사라선자신적라선각대소관계,칙시선수착라선각증대이감소、후래수착라선각증대이증대,병차이44°라선각위최저;관내연정조력여강사라선라거대소적관계,칙시수착라거증대이현저감소。
This paper states the experimental research on dynamic characteristics of self-cleaning and rotating steel spiral-insert with plastic coat.The research shows that the self-rotating kinetic moment increases with flow velocity in tubes,and their relationship is a parabolic curve.The minimum flow velocity in need to drive the spiral-insert is related with the insert spiral angle.Firstly the flow velocity goes down as the angle increases,then the velocity goes up as the angle increases after the velocity reaches to the lowest when the angle is 44 degree.The flow resistance in tubes is notably reduced as the sprial pitch increases.