干馏炉半冷煤气站与其他热煤气站对比分析

对干馏炉半冷煤气站与热煤气站在工艺、煤气热值与产量、焦油质量与回收、煤气洁净度、资源节约、应用与维护、投资等多方面进行了对比分析，以便于发生炉应用企业在选用煤气发生站时进行决策。     

流量不均衡图在煤气生产上的应用

针对我国大多数企业的发生炉煤气站均不设立储气柜，造成煤气产气率低的实际情况，通过对煤气站全天２４ｈ使用流量进行了实际测定，绘制了本企业煤气生产负荷的流量不均衡图．并依此制定了较为合理的实际生产流量指标，大大缩小了煤气生产与使用流量的差别，产气率提高９．６％。炉渣含碳量降低了２０％；降低了原料消耗，节约了能源。     

高焦混合煤气代替发生炉煤气使用中存在的问题及处理

１前言 我厂原发生炉煤气站是１９７２年建成并投产的，有４台煤气发生炉，平时开二备二，产冷净发生炉煤气１．４万ｍ３／ｈ，供给本厂生产使用。冷净发生炉煤气热值约６．０ＭＪ／ｍ３，该煤气站在国内属中小型规模的煤气站，其能源费、环保治理费、设备费等总成本费用高达９８６万元．为了节能降耗、减污增效，太钢公司决定回收南区的高炉煤气，但因高炉煤气热值较低，需配入适量的焦炉煤气，以代替我厂煤气站生产的发生炉煤气． 从１９９８年７月份开始，我厂锻造加热炉、退火炉正式使用了公司的高焦混合煤气，同时运行了２７年的发生炉…     

连续包覆挤铝技术的研发与应用

根据CONFORM工艺可以生产出无缝铝管的原理,认为电缆的铝护套可以结合康仿工艺和压铝机的特点,开发一种全新的铝护套生产工艺,实现真正意义上的连续生产。     

风电机组轮毂高度变化对工程投资收益影响浅析

风机轮毂高度选择一般在机型各备选轮毂中进行比较选择,也可以根据特定风电场的风能资源、交通运输、工程难度及工程造价等方面进行综合比较,推荐合适的轮毂高度。分析并比较增加轮毂高度获得的发电收益和增加建设成本之间的关系,选择经济合理的轮毂高度,达到降低风场造价目的。文中以湖南某高海拔风电场工程为例,不考虑其他因素影响,单从轮毂高度变化引起总发电量及风电场土建安装投资变化为例,分析轮毂高度这一因素对风电场投资收益影响。     

煤气站

煤气站,主要由煤气发生炉、管路系统、煤气处理系统、循环水系统、监控系统等构建而成。煤气站主要是通过煤气发生炉生产煤气,并附有焦油、酚水及少量H2S产出。由于有很多种煤气发生炉,它们的设计不尽相同,所以各种煤气站建成后会有一些区别。由于其生产具有很大危险性,所以煤气站配有煤防站等安全协作体系。煤气炉分类：有双段发生煤气炉、单段发生煤气炉、热煤气发生炉、冷煤气发生炉。     

电弧炉埋弧炼钢工艺探讨

在电弧炉上先后进行了熔氧期结合埋弧冶炼普碳钢的生产工艺试验，结果表明，埋弧炼钢工艺冶炼时间短，电极消耗低，钢的合格率高，工艺稳定。     

15t侧装料铝合金熔化炉

该设备是一种大型火焰炉，用于铝锭及铝合金废料的熔炼。在主选择了合理的炉型；采用了烧损率最小的熔池尺寸和节能燃烧器；合理地燃烧；强化给热、提高生产率；同时还采取了余热回收、降低炉体热损失等节能措施。通过现场实测，油耗４３．８ｋｇ／ｔ铝，热效率高达５７％左右。     

兆瓦级风电机组轮毂的优化设计及分析

应用有限元分析软件平台ANSYS Workbench,对某兆瓦级风力发电机组的轮毂进行形状优化设计。经过3轮优化,刚性轮毂被设计成一个空心的似球体,轮毂的外形更加合理,轮毂的重量得以减轻。在减少球墨铸铁用量的同时,使轮毂的有效刚度达到最大化。验证结果表明,优化后的轮毂设计结构,完全满足静强度的设计要求。优化设计的方法简便可靠,适用于大型风电机组轮毂及其他机械部件的设计及分析。     

三点式PI电极调节器在铁合金炉上的应用

本文叙述了铁合金电炉冶炼工艺对电极调节器的要求,详细介绍了三点式电极调节器原理及调节参数的选择。     

铝合金轮毂生产线余热系统应用研究

为了响应国家政策,降低企业成本,节能减排,在铝合金轮毂行业施行余热回收利用系统。通过对铝合金轮毂生产线各个余热采集点统计分析,针对不同余热品位,采取不同的余热回收方式,对铝合金轮毂生产线余热量进行系统全面的利用,以求效益最大化。实施结果表明,余热系统对于铝合金轮毂企业来说,在获得显著经济效益的同时,还大大提高了企业的社会效益和环保效益。     

Modelling of biomass gasifier and microturbine for the olive oil industry

The olive oil industry generates several solid wastes. Among these residues are olive tree leaves, prunings, and dried olive pomace (orujillo) from the extraction process. These renewable energy sources can be used for heat and power production. The aim of this paper consists of modelling and simulation of a small‐scale combined heat and power (CHP) plant (fuelled with olive industry wastes) incorporating a downdraft gasifier, gas cleaning and cooling subsystem, and a microturbine as the power generation unit. The gasifier was modelled with thermodynamic equilibrium calculations (fixed bed type, stratified and with an open top). This gasifier operates at atmospheric pressure with a reaction temperature about 800°C. Simulation results (biomass consumption, gasification efficiency, rated gas flow, calorific value, gas composition, etc.) are compared with a real gasification technology. The product gas obtained has a low heating value (4.8–5.0 MJ Nm^?3) and the CHP system provides 30 kW_e and 60 kW_th. High system overall CHP efficiencies around 50% are achievable with such a system. The proposed system has been modelled using Cycle‐Tempo software^®. Copyright © 2010 John Wiley & Sons, Ltd.     

巨型水电站流量计应用研究

本文分析了某巨型水电站在用流量计的运行现状,总结了各类流量计的原理功能,结合管道测流技术的发展,针对流量计的功能选用、安装要求等,打造满足标准要求的水电站流量应用方案,具有行业推广价值.     

750 kW生物质燃料下吸式气化炉的设计

目前推广的生物质气化集中供气系统的用户规模大都在100—200户左右．这种小型的供气系统只能满足单一的炊事用气需求，而且系统的单位建设成本高。下吸式气化炉是生物质气化集中供气系统中的核心设备，建设中等规模的生物质气化集中供气系统的关键技术是对下吸式气化炉进行设计，文中介绍了750kW生物质燃料下吸式气化炉的设计过程。     

Operating maps of a combined hydrogen production and power generation system based on aluminum combustion with water

The performance of a novel hydrogen production and energy conversion system based on the aluminum-water reaction is addressed by means of a lumped and distributed parameter numerical approach. The interest on this type of technology arises because of the possibility of obtaining at the same time different secondary energy sources, such as hydrogen and heat and mechanical work, with very low pollutant and greenhouse gas emissions.In this paper the numerical models of the main components adopted in the system are developed, including the combustion chamber, the steam/hydrogen turbine and the heat exchangers. The behavior of the whole system is investigated for different configurations and energy conversion cycles, i.e. electric energy production only and combined heat and power production, in order to determine the operating maps in terms of efficiency, power output, pressure and temperature in the main sections, mass flow rates and the hydrogen yield. The numerical analysis of the thermo-dynamic behavior of the power unit is aimed at assessing the guidelines that will lead to the construction of a first prototype of this system.Finally, the use of a cogeneration system based on the aluminum combustion with water system for on-site small scale hydrogen production for feeding a hydrogen refueling station is explored. The proposed system is compared with other technologies as well as the case of large scale hydrogen production and delivery.     

Scenarios for remote gas production

The amount of natural gas resources accessible via proven production technology and existing infrastructure is declining. Therefore, smaller and less accessible gas fields are considered for commercial exploitation. The research project Enabling production of remote gas builds knowledge and technology aiming at developing competitive remote gas production based on floating LNG and chemical gas conversion. In this project, scenarios are used as basis for directing research related to topics that affect the overall design and operation of such plants. Selected research areas are safety, environment, power supply, operability and control. The paper summarises the scenario building process as a common effort among research institutes and industry. Further, it documents four scenarios for production of remote gas and outlines how the scenarios are applied to establish research strategies and adequate plans in a multidisciplinary project. To ensure relevance of the scenarios, it is important to adapt the building process to the current problem and the scenarios should be developed with extensive participation of key personnel.     

Production of hydrogen energy through biomass (waste wood) gasification

Biomass gasification, conversion of solid carbonaceous fuel into combustible gas by partial combustion, is a prominent technology for the production of hydrogen from biomass. The concentration of hydrogen in the gas generated from gasification depends mainly upon moisture content, type and composition of biomass, operating conditions and configuration of the biomass gasifier. The potential of production of hydrogen from wood waste by applying downdraft gasification technology is investigated. An experimental study is carried out using an Imbert downdraft biomass gasifier covering a wide range of operating parameters. The producer gas generated in the downdraft gasifier is analyzed using a gas chromatograph (NUCON 5765) with thermal conductivity detector (TCD). The effects of air flow rate and moisture content on the quality of producer gas are studied by performing experiments. The performance of the biomass gasifier is evaluated in terms of equivalence ratio, composition of producer gas, and rate of hydrogen production.     

天然气汽车的发展研究

综合分析了天然气汽车（CNGV）的改装技术，评价了天然气汽车改装后的工作性能，总结了改装后存在的主要技术问题及运行的经济效益。     

Hydrogen-rich gas production from biomass air and oxygen/steam gasification in a downdraft gasifier

Biomass gasification is an important method to obtain renewable hydrogen. However, this technology still stagnates in a laboratory scale because of its high-energy consumption. In order to get maximum hydrogen yield and decrease energy consumption, this study applies a self-heated downdraft gasifier as the reactor and uses char as the catalyst to study the characteristics of hydrogen production from biomass gasification. Air and oxygen/steam are utilized as the gasifying agents. The experimental results indicate that compared to biomass air gasification, biomass oxygen/steam gasification improves hydrogen yield depending on the volume of downdraft gasifier, and also nearly doubles the heating value of fuel gas. The maximum lower heating value of fuel gas reaches 11.11 MJ/N m³ for biomass oxygen/steam gasification. Over the ranges of operating conditions examined, the maximum hydrogen yield reaches 45.16 g H₂/kg biomass. For biomass oxygen/steam gasification, the content of H₂ and CO reaches 63.27–72.56%, while the content of H₂ and CO gets to 52.19–63.31% for biomass air gasification. The ratio of H₂/CO for biomass oxygen/steam gasification reaches 0.70–0.90, which is lower than that of biomass air gasification, 1.06–1.27. The experimental and comparison results prove that biomass oxygen/steam gasification in a downdraft gasifier is an effective, relatively low energy consumption technology for hydrogen-rich gas production.