气体管道

基于Lyapunov稳定性理论的气体管道泄漏检测技术研究

The research of leak detection in gas pipeline based on the lyapunov stability theory

信息技术在气体管道管存计算领域的应用研究

Application of Information Technology to Natural Gas Pipeline Storage Capacity Calculation

采用的气体管道尺寸，他的长度、传递方式必须根据UNI的规程。

The dimensions of the gas adduction pipeline should be in function with it 's length and with gas delivery according to UNI regulations .

在气体管道压力小于0.2MPa的条件下，可以检测到0.4m3/min的气体管道泄漏，测试距离可达到50km。

Using this technology , the gas leakage of 0.4 m ~ 3 / min can be detected in the condition that the pressure of the gas pipe is less than 0.2 MPa , and measurement length is about 50 km .

硫磺制酸装置高温气体管道的应力分析

Stress analysis of high-temperature gas pipes in sulphur-burning sulphuric acid plants

基于模型法的气体管道泄漏检测及定位技术研究

Research of Leakage Detection Technology in Gas Pipeline Based on Model

钢制气体管道动态裂纹扩展的温度效应

Temperature Effects on Dynamic Crack Propagation in Steel Gas Pipelines

往复式压缩机气体管道振动分析及消振方法

Analysis of Reciprocating Compressor Gas Pipeline Vibration and Control Methods

易燃易爆气体管道抑爆系统研究

An Explosion Suppresser for Combustible and Explosible Gas Pipeline

气体管道泄漏模型的研究进展

Study Progress on Leakage Model for Gas Pipeline

气体管道振动分析及消振措施

Analysis on pipeline vibration and anti-vibration measures

气体管道泄漏检测技术探讨

Discussion of Gas Pipeline Leak Detection Techniques

基于负压波的气体管道泄漏检测定位精度影响因素研究

Study on Precision-Influencing Factors of Gas Pipeline Leak Detection and Location Based on Negative Pressure Wave

降低低压组合床重整装置气体管道中催化剂磨损率的方法

Methods of decreasing catalyst abrasion rate of gas pipeline in low pressure combined bed reforming unit

也进行气体管道铺设的工程、改造工程、容器装设工作和管理。

We install gas piping and tubings , perform alterations , cylinder changes , and maintenance .

等截面含灰气体管道中平面激波传播的衰变律

The Attenuation Law of Shock Waves Propagating Into Dusty Gas in a Uniform Cross - Section Channel

系统不能接近可燃液体管道或其它可燃气体管道。

Systems should not be located close to flammable liquid piping or piping of other flammable gases .

这种气体管道泄漏非介入式检测方法为危险性气体管道泄漏检测提供了一种新的技术手段。

The non-intrusive gas pipeline leak detection method provides a new technological means for dangerous gas pipeline leak detection .

管道泄漏检测技术已经在长输气体管道安全运行中起到很重要的作用。

The detection technology of leakage in gas pipeline has played very important role in long gas pipeline security .

在硅烷设施中，所有的气体管道，阀门和功能性组件都要贴上标签，说明它们的用途。

All gas lines , valves and functional components should be labeled to indicate their use in silane service .

分析了通常引起往复式压缩机气体管道振动的原因及其消振方法。

The reason of the vibration is analyzed and the control methods are proposed with the vibration data collected .

在气体管道中，管内壁粗糙度对计算管内压降影响很大。

In gas pipeline , the roughness of internal wall will greatly interfere with the calculation of internal pressure drop .

因此一套可靠的气体管道泄漏检测系统对于气体管道的安全运输来说尤为重要。

Therefore , a reliable gas pipeline leak detection system for the safe transport of the gas pipeline is especially important .

气体管道工程、压力时时监控系统、气体泄漏监控系统、气体管道、减压阀、管阀件等。

Gas central supply system , Pressure online detect system , gas detect system , clean tube , regulator , fittings and valves .

介绍了现代气体管道泄漏检测诊断技术，对现有气体管道泄漏检测方法从原理、检测精确度与可靠性等多方面进行了分析比较。

Modern pipeline leak detection and location techniques were introduced , the principle , accuracy and reliability of these methods were analyzed and compared .

以某400kt/a硫磺制酸装置为例，分析了高温气体管道膨胀节的设置问题。

Taking a 400 kt / a sulphur-burning sulphuric acid plant as example , the installation of expansion joints in high-temperature gas pipes is analyzed .

通过现场的测试信号重构结果和泄漏报警结果表明，本文提出的基于声纹识别技术的气体管道泄漏监测方案是可行、可靠的。

The real test signal reconstruction results and leakage alarm signal results show that the leakage signal detection method of this paper is feasible and reliable .

焚硫转化工序的气体管道主要采用大拉杆横向型、铰链型及无约束轴向型等膨胀节来解决管道应力问题。

Expansion joints of long rod transverse type , hinge type and unconstrained axial type are used to solve the problems with pipe stress in sulphur-burning and conversion sections .

燃气、蒸汽压力管道等气体管道系统已经广泛的应用于电力、石油、化工、天然气等工业部门中。

Gas piping system , such as gas 、 steam pressure pipeline , has been widely used in electric power , petroleum , chemical , natural gas and other industrial sectors .

虽然有一些便携式非介入检测仪器在气体管道泄漏检测方面具有很好的灵敏度，但由于它们的监测距离有限，仪器使用易受风向、环境噪音等影响，因而也得不到广泛的应用。

Even though there are some portable non-intrusive equipments of the gas pipeline leak detection that has a good sensitivity , they can not be widely used due to their limited measurement range .