To cope with the problem of “the re-entrainment into the hopper of fine dust particles in an inner vortex flow due to the agitation of separated particles" occurring in conventional cyclone separators, some researchers have proposed the adding of a straight pipe at the bottom of the separator, thereby allowing dust-laden air to enter the pipe for further separation.
针对常规旋风分离器中的“灰斗返混”问题 ,有研究者提出在旋风分离器底部增设一直管 ,使含尘气流进入其中进一步分离。
This paper introduces briefly the manufacture technique and method of penstock s welding, examination and hydrolic test, in view of several major parts of open pipe of the Tianhu hydropower station, such as straight pipe, bifurcated pipe and expansion joint.
针对天湖水电站压力管道露天明管的直管、岔管、伸缩节等几个典型部件从管道的加工、焊接、检验及压力试验等全过程的制造工艺和方法进行简要介绍,为国内设计和制造更高水位压力管道提供一些制造资料。
The experiments of straight pipe resistance and centrifugal pump properties were discussed.
介绍了化工原理直管阻力和离心泵特性曲线测定的相关情况,指出了这两个实验整合的可行性,并对整合后的实验装置及控制特色进行了简述,最后对整合实验装置的优点进行了总结。
It gropes and designs a method of three points bending roller type forming process design as per longitudinal welded pipe's transform rule.
根据直缝焊管变形规律,摸索设计出了一套三点弯曲辊式成型(即TPF成型)工艺设计方法。
In way of weld field,the article introduces application foreseeing of this technology,also discusses this technology application into 4 aspects:forming roller design and manufacturing,design of longitudinal welded pipe mill,the control of deform process and forming stress in longitudinal welded pipe in production,and the control of pipe residual stress in spiral welded pipe in production.
从焊管行业的角度介绍了虚拟制造技术在焊管生产领域的应用发展前景,探讨了该技术在成型辊设计与制造、直缝焊管机组的设计、直缝焊管生产中的变形过程和成型力的控制以及螺旋焊管生产中管体残余应力的控制等四个方面的应用。
The inner burr removing technology is an integrant working procedure to produce high quality and high additional value longitudinal welded pipe.
分析了ERW焊管生产过程中内毛刺清除存在的刮偏,刮削量过大、过小和刮不干净等常见问题的成因,并提出一些解决方法,以便于ERW直缝焊管厂家在实际生产过程中作参考。
Based on the research results of experts,sets out from momentum,and analyses the momentum change of liquid and solids,and puts forward calculation models of settling slurry velocity distribution and friction loss in vertical pipeline.
在前人研究的基础上,从动量角度出发,研究液体及固体颗粒速度的变化,推导出浆体垂直管道速度分布和摩阻损失的求解模型。
Study of applicability of small-diameter tube used for chemical injection operation;
注剂作业用小直径管适用性试验研究
The study on the experiment of wall thickness deformation of coreless bended small-diameter tube;
小直径管无芯弯曲壁厚变形的试验研究
A high-power and high-frequency inductive power supply used in ERW for medium-sized straight welded pipes is introduced.
介绍了用于中口径直缝焊管线焊接的高频大功率焊接电源,其采用基于IGBT功率元件的串联谐振式感应电源技术。
Since the conventional single blade and double blade sawing method for the big ERW high frequency (resistance) straight welded pipe is restrained, the digital controlled profile modeling sawing technology develops.
生产大规格ERW高频(电阻)直缝焊管,传统的单片式、双片式锯切方式受到了一定的限制,因此数控仿形锯切技术得到了发展。
a single-reed instrument with a straight tube.
带有直管的单簧管乐器。
three-diameter ells with tangents
带切线直管段的三倍直径弯头
high repetition rate linear flashlamp
高重复率直管闪光灯
A vertical, cylindrical vein of ore.
管状脉直立的管状矿脉
The Study on Cage Roll Forming Processes of Large-sized ERW Straight Welded-pipe;
大直径ERW直缝焊管排辊成型工艺研究
Sharply Slow down the Construction of Large Diameter Longitudinal Welded Pipe Production Line
大直径直缝焊管机组建设热急需降温
direct-coupled transistor amplifier
直接耦合晶体管放大器
helispot manager
直升机临时降落场总管
Her children were in a terrible state of neglect.
她的孩子们简直没人管。
image intensifier isocon
象增强式分流直象管
vertical oil-fired straight water tube boiler
立式直水管燃油锅炉
vertical channel fet
垂直沟道场效应晶体管
transistor vertical deflection circuit
晶体管垂直偏转电路
direct int.raperitoneal insemination
输卵管直接人工授精
PIT (Precision In-line Tube)
精密直列式彩色显象管
filamentary subminiature tube
超小型直热式电子管
direct-coupled power amplifier tube
直接耦合功率放大管
condenser with fused inner tube
直形内芯封口冷凝管