查询词典 pulverized

In the process of pulverized coal injection into blast furnace, the blowpipe plays an important role in pre mixing the pulverized coal and oxygen, pre heating them and improving the pulverized coal pyrolization and combustion of the coal.

在高炉富氧喷煤过程中，直吹管使喷入的煤粉与氧气预混、预热，并促使煤粉的热解和部分煤的燃烧。

Changsha 410076, China）Abstract: In order to study the slagging characteristics of boiler carborundum combustion liners during pulverized coal stream combustion, the slag samples of pulverized coal stream combusting experiments were investigated by optics microscope and X-ray diffraction.

摘 要：采用光学显微镜和X射线衍射等方法对煤粉气流燃烧过程在碳化硅质卫燃带上的渣样进行测试，并对渣样的形貌及结晶特性、渣样成分与碳化硅之间的高温烧结特性进行分析。

The emitter and the receiver of the microwave measuring system add a measuring travel, completely utilize the Doppler effect, enlarge the microwave absorptive attenuating action of the pulverized coal, and consequently increase the measured voltage difference, avoid the problems of the reflection measurement, and can accurately measure the pulverized coal concentration value.

本发明增加了测量沿程，充分利用了多卜勒效应，增大了煤粉对微波的吸收衰减作用，从而增大了测量的电压差值，而且避免了采用反射测量时出现的问题，能准确的测出煤粉浓度值。

It is avoidless to bring unburned pulverized coal in the case of injecting pulverized coal into blast furnace of iron making.

在炼铁生产的高炉喷煤中，不可避免的要产生未燃煤粉。

In order to meet BF operation with high pulverized coal injection ratio, the solution loss behavior of coke in BF has been investigated. Being directed at performance varying of tuyere coke, various influential factors and their effects have been analyzed, which include size composition, slag and iron coherent condition, pore structure and optical texture, the quantity varying of unburnt pulverized coal particles below 0.5mm of tuyere coke.

本文以风口焦的性能变化研究为立足点，从风口焦的粒级组成、粘附渣铁状况、风口焦气孔结构和光学组织、风口焦中＜0.5mm粒级中未燃烧煤粉的量的变化入手，对影响风口焦性能的因素进行了分析。

Based on the utilization degree of carbon in unconsumed pulverized coal and coke, the carbon proportion from unconsumed pulverized coal was determined by the microscopic analysis results of BF dust at large PCI.

根据炉尘中煤粉和焦炭中碳的消耗程度，给出了由显微分析结果计算出的宝钢高炉大喷煤时炉尘中未消耗煤粉碳所占的百分比的定量表达式。

In this research, Delphi language is adopted to work out calculation procedure of coal-pulverizing system, use this procedure to perform checking calculation, and act as the theoretic basis of operating adjustment. The operation characteristics and controllable parameters are completely studied to reduce the cost. The double-stage separating technique is adopted to improve separation efficiency. The pulverized coal exhauster is reformed based on the outcome of resistance calculation to save power consumption of pulverized system. The wearing problem of steel balls is studied, has set up the stable state mathematics model of steel ball wear to certain load ball system and addition ball system.

本课题采用Delphi语言编制了制粉系统计算程序，用此程序对该制粉系统进行了校核计算，作为制粉系统优化调整的理论根据，从中储式制粉系统的运行特性、可控参数方面进行了全方位的研究，采用内筒中增设螺旋隔离分离元件的双级分离式细粉分离技术，提高细粉分离效率，根据制粉系统阻力计算结果对排粉机进行改造，减少制粉电耗。

Detailed analysis is conducted on the velocity field, the pulverized coal concentration and temperature, and the results indicate that: in the first stage of the two-stage oil-less ignition system, the flow characteristics and the distribution of pulverized coal concentration make for the ignition of pulverized coal by heating pipe, and during procedure of ignition there are three different kinds of temperature distribution on the cross sections of heating pipe; the flow characteristics in the second stage makes for the mixing of gas phase, and the flame temperature is higher in the second stage.

详细地分析了燃烧器内部速度场、煤粉颗粒浓度场和温度场，结果表明：在燃烧器的第一级，其流动特征及煤粉颗粒浓度分布有利于加热管道对煤粉颗粒的点燃，点燃过程中加热管道的截面上有三种不同的温度分布；燃烧器第二级内部流动特征有利于气流的混合，第二级的火焰温度比第一级更高。

Optimized BP network model for predicting igniting temperature of pulverized-coal based on genetic algorithm;2. A review and elementary discussion of powder and pulverized-coal charge;3. Paper discussed flame ignition stabilization analysis of N125MW direct current burner in pulverized-coal boilers of solid state discharge.

以N125MW直流燃烧器固态排渣煤粉炉燃烧着火稳定性为研究对象，根据煤粉气流着火方式以及对影响煤粉气流着火因素的分析，提出提高煤粉气流着火稳定性以及低负荷燃烧不投油的控制措施，从而保证了煤粉的稳定着火，以保证锅炉安全稳定运行。

Strong soda lye was added into high calcium pulverized coal ash to prepare improved pulverized coal ash, the result from measurement shows that the bulk density, specific surface area, granulation appearance of pulverized coal ash after improvement were substantially better than that of coal ash before improvement.

摘 要：在高钙粉煤灰中加入强碱液制备了改性粉煤灰，测定结果表明，改性后粉煤灰的堆积密度、比表面积、颗粒形貌等明显优于改性前。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

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如果有任何问题，你可以随时联系我。