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- The pulverized coal combustion process is simulated numerically in a tangentially fired furnace with either a constant density model or a constant diameter model of the coal particle. 用等密度模型和等直径模型模拟了切圆燃烧锅炉内的燃烧过程。
- The pore size distribution and specific area of the pulverized coal are measured as functions of pulverized coal particle size and HTA temperature, before and after the homogeneous flame appears. 在煤粉气流发生均相着火前后过程中,对其中不同粒径煤粉的孔隙结构及其比表面积随热风温度的升高而产生的变化进行了试验研究。
- Shang Qing,Zhang Jian,Zhou Lixing.Effects of gas temperature fluctuation on the devolatilization of pulverized coal particle[J].J Engineering Thermophysics,2005,26(6):1049-1052(in Chinese). [2]尚庆;张健;周力行.;气相温度脉动对煤粉颗粒挥发分释放的影响[J]
- Results show that both concentration of HCN and NH3 are high under high volatile and fine pulverized coal particles. 试验结果表明:挥发分越高,煤粉粒径越小,HCN、NH3析出浓度越大。
- The effects of fluctuating temperature of hot gas flow on the instantaneous devolatilization rate of pulverized coal particls are explored. 研究了热气流中气相温度脉动对煤粉颗粒瞬时热解挥发速率的影响。
- Aiming at a calciner with true size, three kinds of pulverized coal particles combustion in calciner of cement kiln were modeled by using PDF chemical model with method of numerical simulation. 针对一实际尺寸的分解炉建立数学模型,采用简化的PDF反应模型对3种不同煤质煤粉在分解炉内的燃烧过程进行了数值模拟。
- Numerical Analysis of Ignition and Combustion of Pulverized Coal Particle Cloud 煤粉颗粒群着火和燃烧过程的数值模拟
- SIZE CHARACTERISTIC OF PULVERIZED COAL AND ITS EFFECT ON COAL PARTICLE COMBUSTION IN COAL-FIRED POWER PLANT 电厂煤粉粒度特征及其对煤粒燃烧的影响
- Effects of Fluctuating Temperature of Gas Flow on the Instantaneous Devolatilization Rate of Pulverized Coal Particle 气流温度脉动对煤粉颗粒瞬时热解挥发速率的影响
- EFFECTS OF GAS TEMPERATURE FLUCTUATION ON THE DEVOLATILIZATION OF PULVERIZED COAL PARTICLE 气相温度脉动对煤粉颗粒挥发分释放的影响
- Ignition Delay of Pulverized Coal Particles Cofiring with Methane 煤粉颗粒群与甲烷混合着火研究
- pulverized coal particle 煤粉颗粒
- Investigation and laboratory work show that the combustion rate of pulverized coal is not only determined by its rank and particle size but also by petrographic property. 研究表明煤粉燃烧率不仅与煤种、煤粉粒径有关,而且还与煤质、显微组成和结构有关。
- RETROFIT OF COARSE AND FINE PULVERIZED COAL SEPARATOR FOR BOILER NO. 广州发电厂粗细粉分离器改造。
- A boiler designed for the pulverized coal or lignite to be consumed. 为燃烧粉状煤或褐煤设计的锅炉。
- Particle sizes of pulverized coals are analyzed by Malvern MAM5004 Laser Mastersizer made in United Kingdom. 煤样的颗粒粒度由英国Malvern公司的MAM5004型激光粒度分析仪测定.
- Pulverized coal ash utilization rate is very low in Hunan Low grade anthracite-fired power plant. The reason is high fire loss volume and particle coarse. Therefore its utilization is difficult. 湘南某电厂采用低品位无烟煤燃烧发电,粉煤灰利用率低。究其原因是粉煤灰烧失量高、颗粒粗,其资源再利用性能较差。
- Since a long time, many scholars studied on granularity and ignition, combustion and burnout characteristics combined with particle granularity distribution and proximate analysis of pulverized coal. 长期以来,一些学者结合煤粉颗粒粒度分布、煤粉工业分析,在煤粉颗粒粒度与煤的着火、燃烧及燃尽特性等方面作了不少研究。
- pulverized coal particles 煤粉
- Increased reaction time, smaller coal particle size and increased reburn fuel fraction lead to higher NO reduction rate. 所以,在使煤粉成为超细粉的基础上,利用低挥发分烟煤作为再燃燃料是具有可行性的。