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燃气输配与储运
题目: 燃气调峰与用户发展策略
作者: 徐松强
单位: (嘉兴市燃气有限公司,浙江嘉兴314033)
摘要: 通过对各类型燃气用户用气不均匀特点的分析,从城市燃气调峰的角度提出用户发展的策略,从而最大限度利用管网供气能力,提高供气总量,降低供气成本,提升燃气企业的经济效益。
关键词: 城市燃气供应;用气不均匀性;调峰;用户发展策略
title: Strategy for Gas Peak Shaving and User Development
author: XU Songqiang
Abstruct: Abstract:Through analyzing the uneven gas consumption characteristics of
different types of gas users, the strategy for the user development is proposed in terms of
city gas peak shaving, thus making full use of gas pipeline network capacity, increasing
total gas supply, reducing gas supply cost and increasing the economic benefit of gas
enterprises.
Key words: city gas supply;unevenness of gas consumption;peak shaving; strategy for user development
题目: 威力巴流量计温压补偿的数学模型
作者: 郭海侠
单位: (陕西省燃气设计院,陕西西安710043)
摘要: 介绍了威力巴流量计在测量气体和蒸汽流量时相应的温压补偿方式,分析了各温压补偿方式在DCS系统和流量积算仪中的数学模型。
关键词: 威力巴流量计;温压补偿;介质密度;分散控制系统;流量积算仪
title: Mathematical Models for Temperature and Pressure Compensation of Verabar Flowmeter
author: GUO Haixia
Abstruct: Abstract:The corresponding modes of temperature and pressure compensation in
measurement of gas and steam by Verabar flowmeter are introduced. The mathematical models
for different modes of temperature and pressure compensation used in DCS system and flow
totalizer are analyzed.
Key words: Verabar flowmeter;temperature and pressure compensation;medium
density;distributed control system;flow totalizer
题目: 一种纯气体水合物相平衡的判定方法
作者: 唐建峰,邱钰文,陈玉亮,李玉星,朱建鲁,李旭光
单位: (中国石油大学(华东)储运与建筑工程学院,山东青岛266555)
摘要: 分析了国内外气体水合物相平衡测定方法,在恒温压力搜索法的基础上,通过合理的改进,设计
了一套可以应用于反应盲釜中气体水合物相平衡判定的实验方法。以甲烷水合物相平衡实验为例,介绍了该改进方法的原理、操作步骤及实验结果,实验结果与软件预测结果吻合较好,误差在工程应用的允许范围内。
关键词: 气体水合物;相平衡;纯气体水合物;压力搜索法;相平衡压力
title: A Judgment Method of Pure Gas Hydrate Phase Equilibrium
author: TANG Jianfeng,QIU Yuwen,CHEN Yuliang,LI Yuxing,ZHU Jianlu,LI Xuguang
Abstruct: Abstract:The measurement methods of gas hydrate phase equilibrium at home and
abroad are analyzed. An experimental method applicable for judgment of gas hydrate phase
equilibrium in the autoclave is designed by suitably modifying the isothermal pressure
search method. Taking methane hydrate phase equilibrium experiment for example, the
principle of the modified method, the operation procedures and the experimental result are
introduced. The experimental result agrees well with the software prediction result, and the
error is within the allowable range of engineering application.
Key words: gas hydrate;phase equilibrium;pure gas hydrate;pressure search method;phase
equilibrium pressure
基金项目: 基金项目:山东省自然科学基金:含水合物的相平衡体系中气体溶解度研究(ZR2009FM036)
题目: 天然气高压管道弯管壁厚减薄率的确定
作者: 刘志仁,陶春辉
单位: (南京市燃气工程设计院有限公司,江苏南京210009)
摘要: 对天然气高压管道弯管壁厚减薄率的计算公式进行了理论推导,计算结果与相关规范和工程技术
规格书的指标一致,工程实践证明推导的弯管壁厚减薄率计算公式行之有效。
关键词: 高压管道;弯管;壁厚减薄率
title: Determination of Wall Thinning Rate at Bend of Natural Gas Highpressure Pipeline
author: LIU Zhiren,TAO Chunhui
Abstruct: Abstract:The calculation formula of wall thinning rate at bend of natural gas
highpressure pipeline is theoretically derived. The calculation result is consistent with
the indicators in the related norms and engineering specifications. The practice shows that
the derived calculation formula of wall thinning rate is effective.
Key words: high-pressure pipeline;bend;wall thinning rate
题目: 液氨长距离管道输送的设计实践
作者: 应洁,门吉,孙亚超,王春海
单位: (建设部沈阳煤气热力研究设计院,辽宁沈阳110026)
摘要: 结合工程项目,介绍了液氨长距离管道输送技术,探讨了设计和施工技术规范的选择、输送方式的选择和管道的安全防护措施。为克服管道的阻力和防止液氨气化,对液氨长距离输送管道进行了水力计算。
关键词: 液氨;长距离管道输送;水力计算;安全防护
title: Design Practice of Long-distance Pipeline Transportation of Liquid Ammonia
author: YING Jie,MEN Ji,SUN Yachao,WANG Chunhai
Abstruct: Abstract:Combined with an engineering project, the liquid ammonia long-distance
pipeline transportation technology is introduced, and the selection of technical codes for
design and construction, selection of transportation mode and pipeline safety protection
measures are discussed. In order to overcome the resistance of the pipeline and prevent the
liquid ammonia from gasification, the hydraulic calculation of long-distance transportation
pipeline is performed.
Key words: liquid ammonia;long-distance pipeline transportation;hydraulic calculation;safety
protection
液化天然气
题目: LNG汽车加气站工艺流程
作者: 王霞,沈路宁
单位: (中海石油天津新能源有限公司,天津300457)
摘要: 介绍了LNG汽车加气站的基本构成及工艺流程,分析了工艺流程中调饱和压力和不调饱和压力的优缺点,从而优化工艺流程。
关键词: LNG汽车加气站;工艺流程;调饱和压力;不调饱和压力
title: Process Flow of LNG Vehicle Filling Station
author: WANG Xia,SHEN Luning
Abstruct: Abstract:The basic composition and process flow of LNG vehicle filling station
are introduced. The advantages and disadvantages of saturation pressure adjustment and no
saturation pressure adjustment in the process flow are analyzed to optimize the process
flow.
Key words: LNG vehicle filling station;process flow;saturation pressure adjustment;no
saturation pressure adjustment
燃气燃烧与应用
题目: 燃气互换时大气式燃烧器一次空气系数的变化
作者: 何奕霏,解东来,宋迪
单位: (华南理工大学化学与化工学院,广东广州510640)
摘要: 一次空气系数是考虑燃气互换性时的一个重要指标。目前的计算方法仅仅考虑一次空气系数与燃气的华白数成反比,对该计算方法所带来的系统误差没有分析。根据大气式燃烧器的自动调节特性,从理论上推导了大气式燃烧器在燃气性质改变时一次空气系数的计算公式,推导了一次空气系数与燃气华白数的关系,通过具体案例分析了公式的误差范围。
关键词: 燃气互换性;大气式燃烧器;一次空气系数;华白数
title: Variation of Primary Air Ratio in Atmospheric Burner during Gas Interchange
author: HE Yifei,XIE Donglai,SONG Di
Abstruct: Abstract:The primary air ratio is a key index for gas interchangeability. In the
current calculation methods, the primary air ratio is inversely proportional to Wobbe
number, which lacks error analysis. Based on the selfadjustment property of atmospheric
burner, the calculation formula of the primary air ratio during change of gas nature is
theoretically derived, and the relationship between the primary air ratio and the Wobbe
number is further developed. The error range of the formula is analyzed by a typical case.
Key words: gas interchangeability;atmospheric burner;primary air ratio;Wobbe number
燃气经营管理与经济
题目: 天然气工商业用户的产权界定
作者: 曹静,臧涛
单位: (天津市燃气集团第一销售分公司,天津300170)
摘要: 探讨了产权界定分界点的划分,介绍了设备产权和管理权的归属,探讨了产权界定工作中遇到的困难及解决方法,提出了产权界定工作的相关建议。
关键词: 产权界定;分界点;工商业用户;管理权;归属
title: Definition of Property Right of Natural Gas Industrial and Commercial Users
author: CAO Jing,ZANG Tao
Abstruct: Abstract:The division of the property right boundary is discussed. The
attribution of equipment property right and management right is introduced. The difficulties
and solutions in definition of property right are also discussed. The corresponding
suggestions on definition of property right are made.
Key words: definition of property right;boundary;industrial and commercial users;management
right;attribution
燃气工程建设与发展
题目: 进一步完善重庆市城市燃气输配系统的总体设想
作者: 陈立
单位: (重庆燃气(集团)有限责任公司,重庆400020)
摘要: 分析了重庆市城市燃气输配系统的现状及存在的问题,结合重庆市发展规划,提出了进一步完善重庆市燃气输配系统的建议和措施。
关键词: 城市燃气;输配系统;应急
title: General Idea for Further Improving City Gas Transmission and Distribution System in
Chongqing
author: CHEN Li
Abstruct: Abstract:The current situation and existing problems of city gas transmission
and distribution system in Chongqing are analyzed. Combined with the development plan of
Chongqing City, suggestions and measures for further improving the city gas transmission and
distribution system are proposed.
Key words: city gas;transmission and distribution system;emergency response
防冻液供热系统设计及运行 樊梦芳,谢开明
基于FLUENT的靶式流量计数值模拟与研究 张婉萍,李世武
分布式天然气CCHP系统应用研究现状与前景 胡小坚1,王忠平2,张雪梅1,钟英杰1,高顶云3
室内游泳池太阳能加热系统性能测试与分析 范卫军
燃气公司开发工商业用户的策略 韩国军 城市中压燃气管道堵塞的清管方法 段武荣 |