共查询到19条相似文献,搜索用时 187 毫秒
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水煤浆代油燃烧技术及其应用初探 总被引:1,自引:0,他引:1
简要介绍了水煤浆代油燃烧技术(包括煤浆制备、煤浆过滤、煤浆燃烧等),并结合兰化公司原料动力厂动力车间油锅炉改造方案进行了经济评估。 相似文献
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220 t/h燃油锅炉改烧水煤浆的设计与调试 总被引:1,自引:0,他引:1
介绍了茂名热电厂 2 2 0t/h燃油锅炉改烧水煤浆的改造情况 ,以及改造后燃烧水煤浆的调整试验 ,总结了水煤浆燃烧的一些经验 ,并针对存在的问题提出了改进建议。 相似文献
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本文介绍了国内外水煤浆技术的发展与应用现况 :分析了福建无烟煤的特性和成浆性指标 ,认为利用福建无烟煤制浆是可行的。文章指出采用水煤浆炉前注油等技术方案可以解决这种低挥发分水煤浆的稳定燃烧问题 ;从而肯定了无烟煤水煤浆在工业炉窑和水管锅炉上应用的广阔前景。 相似文献
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本文介绍了用水煤浆流化悬浮燃烧技术改造油气混烧锅炉的一个应用实例,对锅炉主要部分的改造进行了较为详细的介绍,并对改造过程中应注意的重点问题及改造后的运行效果进行了简要的分析总结,以资同样类型的锅炉改造借鉴. 相似文献
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10t/h燃油锅炉改烧水煤浆的设计应用 总被引:1,自引:0,他引:1
介绍10t/h燃油锅炉改烧水煤浆的设计方案、设计运行参数、锅炉的工作过程和优越性。实践证明,在原锅炉本体前增加燃烧室,挡火墙、落灰斗,并采用新型水煤浆燃烧器,可解决结焦、燃烧不完全等问题。 相似文献
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As a renewable and environmentally friendly energy source, biomass (i.e., any organic non-fossil fuel) and its utilization are gaining an increasingly important role worldwide. Grate-firing is one of the main competing technologies in biomass combustion for heat and power production, because it can fire a wide range of fuels of varying moisture content, and requires less fuel preparation and handling. The basic objective of this paper is to review the state-of-the-art knowledge on grate-fired boilers burning biomass: the key elements in the firing system and the development, the important combustion mechanism, the recent breakthrough in the technology, the most pressing issues, the current research and development activities, and the critical future problems to be resolved. The grate assembly (the most characteristic element in grate-fired boilers), the key combustion mechanism in the fuel bed on the grate, and the advanced secondary air supply (a real breakthrough in this technology) are highlighted for grate-firing systems. Amongst all the issues or problems associated with grate-fired boilers burning biomass, primary pollutant formation and control, deposition formation and corrosion, modelling and computational fluid dynamics (CFD) simulations are discussed in detail. The literature survey and discussions are primarily pertaining to grate-fired boilers burning biomass, though these issues are more or less general. Other technologies (e.g., fluidized bed combustion or suspension combustion) are also mentioned or discussed, to some extent, mainly for comparison and to better illustrate the special characteristics of grate-firing of biomass. Based on these, some critical problems, which may not be sufficiently resolved by the existing efforts and have to be addressed by future research and development, are outlined. 相似文献
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AbstractComputational welding mechanics (CWM) have a strong connection to thermal stresses, as they are one of the main issues causing problems in welding. The other issue is the related welding deformations together with existing microstructure. The paper summarizes the important models related to prediction of thermal stresses and the evolution of CWM models in order to manage the large amount of ‘welds’ in additive manufacturing. 相似文献
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针对电厂内循环流化床锅炉脱硫效率低的问题,通过比较不同脱硫技术的优点、适用煤种以及国内中小型锅炉脱硫技术的应用情况,选用炉内喷钙脱硫技术对原有脱硫设备进行改造。介绍了炉内喷钙脱硫工艺的特点及系统构成,并给出了脱硫工艺改造经济性分析。分析表明炉内喷钙脱硫效率达70%-80%,SO2排放浓度仅为360mg·m^-3左右,完全满足国家环保政策考核标准,并且收到了良好的经济效益和环保效益,可作为中小型循环流化床脱硫工程参考。 相似文献