非接触式密封

干气密封是一种用于高速旋转设备的非接触式密封。

The dry gas seal is non-contact seal used for high speed rotation equipment .

干气密封是从气体动压轴承的基础上发展起来的一种新型非接触式密封，它最初应用于离心式压缩机轴封。

The gas-seal is a kind of new non-contact seal which is developed on the basis of gaseous dynamic pressure bearing and is first being used on the centrifuge compressor .

超微燃气透平非接触式密封的三维CFD数值分析

Three-Dimensional CFD Analyses of Non-Contacting Gas Seal for Ultra-Micro Gas Turbine

常用的非接触式密封形式有如下三种。

Commonly used non-contact form of the following three types of seals .

非接触式密封球轴承

Non-contact sealed ball bearing

篦齿封严结构是一种高效的非接触式密封装置，广泛地应用于航空燃气涡轮发动机等叶轮机械中。

It has happened so many times that the problem of structure-acoustic of labyrinth gas seals when engine is working .

这种组合密封方式是一种新型非接触式密封形式，解决了以往迷宫密封间隙过大的问题，提高了密封性能，减少了甩油量，从而从根本上保证了设备长期运行。

The combined seal is a new style of non-contact sealing . It solves the problem of big clearence of labyrinth sealing , improves the sealing performance and reduces oil consumption and therefore ensures the long run of equipments .

双向零泄漏非接触式机械密封的研究及应用

Research and Application of Bi-direction Zero Leakage Non-contacting Mechanical Face Seal

非接触式机械密封端面信息的监测系统研究

Study on Monitoring System of Face Information of Non-contacting Mechanical Seals

液膜润滑非接触式机械密封温度场分析

Analysis on Temperature Field of Liquid Film Lubricated Non-contacting Mechanical Seals

非接触式机械密封技术在氧化铝生产料浆泵中的应用

Application of Non-Contact Mechanical Seal on Pump for in Alumina Production

泵用无泄漏非接触式机械密封技术

Leak - free non - contact mechanical face seals for pumps

油膜非接触式机械密封在氨气压缩机上的应用

Application of oil film non-contact mechanical sealing in ammonia compressor

泵用零逸出非接触式机械密封

Non-emission Non-contacting Mechanical Face Seals for Rotating Pumps

新型非接触式机械密封在丙烷泵上的应用

Application of Non-contacting Mechanical Seal in Propane Pump

一种新型非接触式端面密封

A new type of noncontacting fsce seal

非接触式机械密封技术被广泛应用于离心泵，压缩机，机动船和其它高性能旋转机械。

Non-contacting mechanical face seal are used extensively in centrifugal pumps , compressors , powered vessels and other high-performance rotating machinery .

它是一种新型流体动压非接触式机械密封，克服了在人字形螺旋槽端面密封中可能产生的磨粒磨损和冲刷磨损，实现了超高速、零泄漏和微磨损。

It is a new type of hydrodynamic non-contacting face seal with unique performance of super-high speed , no-leakage and micro-wear .

利用磁流变液的优异特性，建立非接触式磁密封机制。

In the magneto-rheological torque converter , based on the good characteristics of magneto rheological fluid , a new non-contact sealing mechanism is developed .

为了减小泄漏造成的损失，维持齿轮箱的工作压力，保证其高效工作，高速齿轮箱传动轴的轴端通常采用非接触式迷宫密封。

In order to reduce the losses caused by leakage and maintain the working pressure in the gearbox to make sure that it will work efficiently . The shaft end of the high-speed gearbox usually uses non-contact labyrinth seal .

非接触式机械密封中的热流体动力效应包括密封环端面受热变形后引起的热楔效应和端面上动压槽引起的动力楔效应。

The Thermo - hydrodynamic ( THD ) effect in non-contact mechanical seals includes the thermal wedge caused by the frictional heat of the fluid film and the hydrodynamic wedge of the shallow grooves fabricated on the end face of the rotating sealing ring .

重整循环氢压缩机组开车后，密封油一直向系统窜油，严重威胁铂重整催化剂安全使用，最后改为非接触式机械密封，问题得以解决。

After reforming circulating hydrogen compressor put into operation , the sealing oil was leaked always to the system , and it menaced the safe operation of platforming catalyst . Finally the non contact type mechanical sealing was adopted , so the problems were solved .

非接触式气体端面密封的动力学分析方法概述

A Review of Methods for Dynamic Analysis of Non-contacting Gas Face Seals

非接触式气体润滑密封变形的数值分析

Numerical Analysis of Deformation of a Non-Contacting Gas Lubricated Seal

深沟滚珠轴承用非接触式新型橡胶密封圈的设计

A New Structured Design of Non-Contact Rubber seal Ring for Deep Groove Ball Bearings

非接触动式动密封齿轮罩的设计

Design of Non-contact Dynamic-seal Gear Cover

流体静压式核电站主泵二级密封由接触式到非接触式转变的密封性能分析

Study on the Seal Property of the Second Seals of Reactor Coolant Pump in Nuclear Station from Contacting to Non-contacting Mechanical Seal

本文采用了多种先进控制方法，用来改进传统的非接触式空气预热器密封间隙控制系统。

In this thesis , several advanced control methods are adopted to improve the performance of the traditional air preheater leakage control system using non-touched sensor .

浮动密封环作为非接触式液体间隙密封，具有密封压差大、泄漏量较小、能自动调心和对中、理论上无磨损、对转子有辅助支撑作用等优点。

The floating seal ring is a non-touch liquid clearance seal with lots of advantages : large differential pressure , small through-flow , automatically center adjusting and centering , non-friction in theory , providing auxiliary support for the rotor .

为此，改为非接触式螺旋槽机械密封。

So that the seal was changed for non-contacted type spiral slot mechanical seal .