煤灰分

一种新型煤灰分测量装置

A new apparatus for measuring the ash content of coal

浅析γ辐射煤灰分仪的测量误差与改进

Measuring error analysis & control of γ - ray radiac Instrument for measuring ash content of coal

从五种煤以及不同制焦温度下所制得相应焦的SEM分析发现，当制焦温度超过相应煤灰分的软化温度时，制焦温度将直接影响焦中矿物质的分散程度及聚集状态。

It was discovered by comparison of SEM from different char-making temperatures of five chars that the change of char - making temperature can influence mineral dispersion size and state of aggregation in char when char-making temperature reaches to ash softing temperature .

随着煤灰分的增加，PM10和PM2.5的排放量也有增大的趋势，煤中矿物质的种类和形态对其排放有明显的控制作用。

Also increase with the higher content of S and the higher content of ash content in coals , the mineral species have most impact on the emissions .

介绍两种燃煤灰分核分析方法，即双能γ透射法和单能γ背散射法的基本原理，用Monte-Carlo计算技术进行模拟计算，分析影响测量结果准确性的相关因素并得出结论。

The present paper introduces the principle of two nuclear technique for coal ash analysis , which are double-energy γ ray transmission method and single-energy γ ray back-scattering method . Factors influencing the measurement accuracy have been discussed through Monte-Carlo calculation .

介绍了5E-MAC全自动分析仪在焦化厂分析洗精煤灰分、挥发分上的应用，以及其重现性、准确度验证。

The application of5E-MAC type automatic analyzer in analyzing ash and volatile compound of cleaned coal , the verification for its reproducibility and accuracy were introduced .

在线式γ射线煤灰分测量仪

On-line gauge of ask content of coal by γ - ray

在线γ射线煤灰分仪系统的软件实现

The Software Realization of Online γ Radial Fly Ash Management System

煤灰分的在线测量

On - line measurement of ash content in coal

燃煤灰分核分析方法

The method of nuclear technique for coal ash analysis

二次曲线拟合在煤灰分计算中的应用

Application of secondary curve fitting in coal ash measurement

煤灰分的在线测量对影响煤类分测值精度的研究

Study on the Measuring Accuracy of Coal Ash Content

γ-射线煤灰分测量仪的发展及正确使用

The development and correct application of γ - ray coal ash content apparatus

用伽玛&伽玛测井的低能组分测定煤灰分的可能

The potencial of in situ ash content prediction using low energy component of gamma gamma logging

低能γ射线反散射法测量煤灰分的线性处理

Linearization Treatment of Measuring the Ash Content of the Coal by Low Energy r-ray Backscattering Techniques

经过分级及分选后，在相同的分选密度的情况下，总精煤灰分可以降到8.14%以下。

After classification , the total ash is under 8 14 % at the same separation density condition .

煤灰分模型参数最小残差绝对值和准则下的搜索解法

A Search Method For Coal Ash Model Parameter Under the Cost of Minimizing the Sum of Remanent Error Absolute Value

在浮选泥化特别严重的煤泥时，取得了精煤产率高、精煤灰分低、尾煤灰分高的显著效果。

For serious degrading coal slime , remarkable performance achieved that higher concentrate yield , lower concentrate ash and higher ash content in tailing .

运用统计方法和耗散结构原理，对原煤灰分产率和构造分异作用的关系进行研究。

The relationship between the raw coal ash content and the structural differentiation was studied by using statistics and the principles of dissipation structures .

煤自身的固硫率和灰分含量密切相关，特别是与煤灰分中的氧化钙关系最为密切。

The remained sulfur in cider occurred generally in sulfur form . The fixing rate is closely related to ash content , especially the CaO in coal ash .

分析了原料煤灰分、水分、粒度、原料配比、炉温控制等型煤生产的工艺特性；

Analyzed was the influence on process characteristics by ash content , moisture and particle size distribution of feed coal , blending ratio , and furnace temperature control .

结果表明：煤灰分中氧化钙含量与其宏观煤岩特征的关系比较密切，用宏观煤岩特征可以预测煤灰中氧化钙的含量。

The CaO content in ash is related to magnetic petrographic characteristics of coal , and it is possible to predict CaO content in ash with coal macro petrography .

采用摩擦电选，通过适当调节风量、电压参数，可以将喷吹用煤灰分降到8%，精煤产率达到87.57%。

The ash content of coal can be dropped to 8 % and the yield of beneficiated coal can be reached up to 87.57 % by adjusting the voltage and blast volume properly .

其中，提高选煤技术水平至关重要，γ射线煤灰分仪在跳汰选煤中的应用研究就属于该领域的问题。

Among them , the exaltation of the jigging coal running technique level is the most important , the study of Y - ray coal ash content apparatus application on jigs belongs to this field .

介绍了一种适用于阜新艾友矿动力商品煤的快速测定灰分方法，可在指导该矿选煤生产或动力商品煤灰分检查中起参考作用。

A kind of the quick determination of ash yield of commercial coal in Aiyou Mine , which can be a reference to coal preparation or the determination of ash yield , is introduced in the paper .

通过对影响γ辐射煤灰分仪测量结果的几个主要因素进行分析，以及对快灰煤样制备工艺上的改进，降低了快灰仪测量结果与化验结果的误差。

By means of analyzing some major factors that effected on ascertaining results of γ - ray radiac instrument and modifying preparation technique of test piece of coal for γ - ray radiac instrument , ascertaining errors between the results of instrument and chemical analysis were decreased .

介绍γ-射线在线煤灰分测量仪的发展情况及应用范围，针对γ-射线测灰仪在实际运用中存在的问题，指出正确使用该仪器的方法。

The development situation and the application scope of on-line γ - ray coal ash content apparatus was introduced , in view of the existing problem of γ - ray coal ash content apparatus in the actual utilization , the corresponding solution was proposed in this paper .

在此基础上，从普通粉煤灰中分选出可用作塑料填充剂的高品质粉煤灰，并把它作为聚乙烯（HDPE）塑料的填充剂进行了试验研究，试生产出合格的聚乙烯落水管；

High quality fly ash classified from ordinary fly ash used as filling agent of high density polyethylene ( HDPE ) was tested and studied , and qualified fall tubes were produced .

利用光学显微镜、X射线衍射及扫描电镜等手段，从岩石学角度对粉煤灰的组分特征进行了详细观察研究。

From the viewpoint of petrology , maceral characteristics of fly ash ( FA ) and bottom ash ( BA ) have been investigated in detail using microscope , X-ray diffraction and scanning electron microscope ( SEM ) .

用激光粒度分析仪、N2吸附比表面积测定仪、SEM和化学分析等手段，研究不同种类粉煤灰的组分、粒度分布和表面结构等形态效应。

The configuration effect on composition , particle size distribution and surface structure of different kinds of fly ash were investigated by means of laser particle size distribution , chemical analysis , N2 absorption specific surface area and SEM .