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- concentration of coal powder 煤粉浓度
- The technology of coal powder spurted burning is applied in the annealing furnace for low carbon steel wire heated with coal powder. 煤粉加热低碳钢丝退火炉采用粉煤喷射燃烧技术，节能效果显著，环境污染有所改善，是值得推广的炉型。
- The principle,process and the characteristics of coal powder gasification by the ash agglomeration circulating fluidized bed are introduced. 介绍了灰粘聚循环流化床粉煤气化的原理、工艺流程及工艺特点。
- The improved designs of nozzle body and deflector bellows make full combustion of coal powder possible and the modification of lifting lug makes installation of burner easy. 在燃烧器的设计中，通过对喷嘴的结构、挡板风箱结构及起吊耳板的改进，使燃烧器更有利于煤粉的燃尽及安装运行。
- The structure of the coal water mixture was analyzed with infrared spectrum.Due to the surface of coal powder adsorbed the copolymer,the surface of the coal ... 利用红外光谱对水煤浆的结构进行了分析,煤粉表面吸附了共聚物,煤粉表面变为亲水性能,能使煤水系统稳定存在。
- In research of combustion of coal powder, the main techniques adopted in the measurement of combustion kinetic parameters consist of thermogravimetry, DTFS and pyro test. 在研究煤粉动力学参数时,采用的方法主要有以下几种:热重分析、DTFS和小型热模试验。
- The DFR of organic sulfur will increase as the concentration of coal plasm added for FC, whereas increase in forepart and decrease offside for OC, CC and FCC. 除在HF脱灰条件下随着煤浆溶剂体积与煤样质量比的增加而增加外,其它的有机硫脱除率随煤浆溶剂体积与煤样质量比的增加先增加后降低;
- About 2%additives composed of several materials is added in the anthracite powder to improve the combustion properties of coal powder in BFs operation at WISCO. 在武钢高炉喷吹的无烟煤粉中掺入相当于煤粉量2%25的由几种材料组成的添加剂以改善煤粉燃烧性能。
- The fineness of coal powder from the pulverizing system and the coal variety effective on the fume discharge temperature of boiler have been analysed in the paper. 分析了制粉系统煤粉细度和煤种及运行方式对锅炉排烟温度的影响,并且提出了一些措施,供参考。
- There is a concentration of people in big cities. 大城市人口集中。
- The result showed that high concentration of wastewater, low finesse, long mixing time, low temperature and increased quantities can improve the removal efficiency of coal ash. 结果表明：低温，高的镍离子浓度，粉煤灰颗粒细、数量多能提高粉煤灰的吸附效能。
- By lowering the burners correctly,we have properly solved the problem of incomplete combustion of coal powder，while the hight of chamber of boiler isn't increased. 介绍了在不增加炉膛高度的情况下,通过适当下移燃烧器,较好地解决了煤粉在炉内不完全燃烧的经验。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- We had a big delivery of coal today. 今天我们收到大批订购的煤。
- Electric dust remover exclusively used for powder coal is mainly used for solving the problem of dust abatement during the preparation of coal powder and its transportation in thermal power stations. 煤粉专用电除尘器主要解决火力发电站的煤粉制备和输送系统的老大难问题的扬尘治理，具有广阔前景。
- The method of mathematical model in this paper is useful for determining the history concentration of coal smoke in the area of health investigation and drawing pollution isograms. 本文推荐利用多源扩散数学模型的方法研究健康调查区域内的大气污染物历史暴露浓度,并在此基础上绘制污染物等值浓度图,为环境卫生健康调查工作提供图文并茂的环境资料。
- Jiang Xiumin,Yang Haiping,Liu Hui,et al.Analysis of the effect of coal powder granularity on combustion characteristics by thermogravimetry[J].Proceedings of the CSEE,2002,22(12):142-146(in Chinese). [4]姜秀民;杨海平;刘辉;等.;粉煤颗粒粒度对燃烧特性影响热分析[J]
- What is the concentration of salt in sea water? 海水中盐的含量是多少?
