vacuum pumping
真空泵
2025-11-02 01:47 浏览次数 14
真空泵
steam is key medium for vacuum pumping of rh refining furnace. direct use of converter steam in production is a difficult problem that has been solving in metallurgic enterprises.
蒸汽是rh精炼炉真空泵抽真空所需的关键介质,直接将转炉蒸汽用于生产是国内冶金企业一直在解决的难题。
the use of our company with independent intellectual property rights 「open continuous vacuum pumping filter」 patent technology (patent no. zl 97 2 49817.6).
我公司运用拥有自主知识产权的「开放式连续型真空抽滤池」专利技术(专利号为zl97249817.6)。
liquid nitrogen is adopted as protective atmosphere in bell type furnace for which vacuum pumping system are provide also.
在罩式电炉内处理,采取液氮作为保护气体,并设真空抽气设备。
a liquid nitrogen cold trap is mounted in a vacuum pumping pipeline, thereby preventing oil return of the system and avoiding polluting the vacuum container;
真空抽气管道中安装有液氮冷阱,可防止系统反油,避免污染真空容器;
the results show that the vacuum pumping rate is increased and the void ratio is decreased obviously using solder sheet and plasma cleaning technology.
研究结果表明,使用等离子清洗的焊片可显着提高抽真空速率,并减少气泡,降低空洞率;
the system of vpi equipment mainly includes vacuum chamber, heating unit, worktable with its drive unit, vacuum pumping unit, gas-charge unit and control unit, etc.
该设备主要出密封罐、加热系统、升降工作台、真空系统、充气系统、控制系统及密封罐水冷系统等组成。
b. water-filled pump start before the pump casing and suction pipe must be full of water that is because of the presence of air vacuum pumping the population can not be formed and maintained.
陈籍水泵在启动以前,泵壳和吸水管内必须先布满水,这是因为有空气存在的情况下,泵吸人口真空无法形成和保持。
however, in the conventional vacuum pumping tests, fine particles did not lost and there was clogging without arching structure layer.
而常规真空抽水方法中不存在细颗粒流失,没有形成拱架结构,造成了淤堵。
this paper will research into visual control of vacuum pumping systems and vacuum-applied systems.
分析了真空控制系统的发展的步骤;
the vacuum pumping stations, gas injection and mass spectrum analysis systems as well as vacuum measurement systems of ht 7 superconducting tokamak are presented in this paper.
本文介绍了ht-7超导托卡马克装置的真空抽充气系统,质谱分析和真空测量系统。
this paper introduces a general development of visual controlling interface for vacuum pumping systems and vacuum equipments.
主要介绍真空应用设备中可视化界面控制的发展概况。
the full-automatic vacuum box has the advantages of simple and reasonable structure, safe and convenient operation, high vacuum pumping efficiency and wide range of applications.
其结构简单合理、操作安全方便、抽真空效率高、适用范围广。
based on vacuum pumping accompanied with throttling process, presenting several superfluid helium cooling cycles and analyzing their flow principle and cooling characteristic.
以抽真空与节流相结合为基础,给出了几种超流氦冷却循环方式;分析了这几种方式的流程机理和冷却特性。
ls series wet roots vacuum pump is a rough vacuum pumping equipment.
ls型直排大气湿式罗茨真空泵属粗真空获得设备。
on this basis, the difference between the limited lift by vacuum pumping and the effective depth of vacuum preloading is analyzed and the reason of the latter may greater than the former is analyzed.
在此基础上,比较了真空提水的极限深度和真空预压有效加固深度的不同,分析了真空预压有效加固深度大于真空提水极限深度的原因。
this high vacuum pumping system is completely dry system because it consists of oil-free scroll vacuum pump (isp) and turbob molecular pump (tmp).
采用涡轮分子泵与无油涡旋式真空泵组合方式,完全干燥干凈的高真空排气系统。