煤灰成分,ash composition
1)ash composition煤灰成分
1.Captured sulfur result of coal combustion is analyzed based on the coalash composition and its sulfate stability.根据煤灰成分及其硫酸盐的稳定性分析了煤炭燃烧固硫的效果。
英文短句/例句
1.Effect of Coal Ash Composition and Mineral Composition on Ash Fusibility of Huainan Coal;煤灰成分及矿物组成对淮南煤灰熔融特性的影响
2.Study on Ash Components and Fusing Regularity of Coal in Different Geological Time;不同地质年代的煤灰成分及熔融特性规律
3.Discussion on ash analysis by plasma-emission spectrometric method等离子发射光谱法测定煤灰成分的探讨
4.The confirmation of the method of burning from the substituted Chinese standard for American standard in coal ash analysis by X-ray fluorescenceX荧光法测定煤灰成分中用国标烧灰方法替代美标烧灰方法的确认
5.Analysis and Application of the Relation of Ash and Float-sink Compose of Raw Coal原煤灰分与原煤浮沉组成关系的分析及应用
6.Study on Shape and Chemical Composition of Fly Ash by SEM/EDS粉煤灰形貌元素组成的SEM/EDS分析
7.Models for diagnosis of coal ash slag-buildup characteristics based on component analysis基于成分分析的煤灰结渣特性诊断模型
8.QUANTITATIVE ANALYSIS OF ASH COMPONENT IN COAL BY LASER INDUCED BREAKDOWN SPECTROSCOPY激光诱导击穿光谱法分析燃煤的灰成分
9.Study on the Slagging Characteristics and Mechanism of Main Components in Coal Ash at High Temperature;煤灰中成分的高温结渣特性及机理研究
10.Study on Treatment of High Concentration Ammania-Nitrogen Wastewater with Zeolite Synthesized with Fly Ash;粉煤灰合成分子筛处理高浓度氨氮废水的研究
11.Synthesis of Mesoporous Molecular Sieve MCM-41 From Fly Ash and Its Adsorption Property粉煤灰合成中孔分子筛MCM-41及其吸附性能
12.Numerical Simulation and Analysis about the Reason of Coal-dust Stained Foggy Yarn in Spinning Workshop细纱车间“煤灰纱”成因的数值模拟与分析
13.STUDY ON KINETIC MODEL OF SYNTHESIS WITH FLY ASH-BASED ADSORBENT粉煤灰基吸附剂合成动力学模型的拟合分析
14.Influence of Ash of Coking Coal to the Thermal Characteristics of Coke焦化用煤的灰成分对焦炭热性能的影响
15.PREPARATION OF GLASS-CERAMICS FROM FLY-ASH RESIDUE AFTER EXTRACTING VALUABLE COMPONENTS提取粉煤灰有价成分后固体残渣制备微晶玻璃
16.MORPHOLOGY AND COMPOSITION OF FLY ASH RESIDUES OF POZZOLANIC REACTION粉煤灰火山灰反应残渣的形貌及组成
17.Synthesis of Sialon Powders from Aluminium Dross and Fly Ashes采用铝灰和粉煤灰合成Sialon粉
18."Cinder:burned or partly burned substance, such as coal, that is not reduced to ashes but is incapable of further combustion."煤渣,煤屑:燃烧过或部分燃烧过的物质,如煤,未形成灰烬但不能继续燃烧.
相关短句/例句
coal ash component煤灰成分
1.The research progress home and abroad on the relationship betweencoal ash components and ash fusion character was introduced from both quantitative and qualitative aspects.从定性和定量两个角度,介绍了煤灰成分与灰熔融性关系的国内外研究进展,分析了煤灰成分对灰熔融性温度的影响。
3)high ash coal高灰分煤
1.Catalysis of alkali/alkali-earth metal salt on combustion behavior ofhigh ash coal;碱/碱土金属盐对高灰分煤粉燃烧的催化作用
4)high-ash coal高灰分煤
1.Therefore, Systematic research thecombustion characteristics ofhigh-ash coal and the mechanism of sintering ofportland cement cl.以高灰分煤为代表的劣质煤，在水泥生产中的频繁使用必然会影响到熟料煅烧、窑系统工况稳定以及能耗高低等。
5)midale coal ash中煤灰分
6)coal ash煤灰分
1.Application of secondary curve fitting incoal ash measurement二次曲线拟合在煤灰分计算中的应用
2.The paper discribes the functions of model ZZ-89A γ-raycoal ash monitor,demonstrates that this equipment accord with the needs of large scale coal processing and utilizing enterprises such as coal preparation factorles,coal blending fields for producing guide,management and assessment.阐述了ＺＺ－８９Ａ型在线式γ射线煤灰分仪的功能，表明这一设备适合选煤厂、动力配煤场等大型煤炭加工利用企业，指导生产管理、考核各种需要。
3.It introduces a basic principle of a kind of double γ-ray pierce means in testingcoal ash and the application of TN-2000,and the nature of monitor application in Shanxi Yangguang Power Generation Responsibility Company.介绍了利用双γ射线穿透法测试煤灰分原理的TN - 2 0 0 0型快速煤质在线监测仪在山西阳光发电有限责任公司的应用情况。
延伸阅读
煤灰成分煤灰成分composition of coal askmeiliui ehengfen煤灰成分(eomposition of eoal ash)煤完全燃烧后的固态残留物的组成。它们基本上是煤中矿物质的氧化物。煤灰中主要成分为5102、A12仇、FeZ仇和Cao。还有少量的Mgo、TioZ、Koo、NaZo、PZos和503以及微量元素的化合物。煤灰主要成分的含量波动很大。(见表)根据煤灰成分可以大致推测煤中矿物质组成，初步判断灰熔点的高低，考虑煤灰的综合利用和从中回收某些成分的价值和方法。用于炼制高炉煤灰主要成分的一般范围一·焦和铁合金焦的煤，对其灰成分有一定的要求(见焦炭灰成分)。煤灰成分分析方法有化学分析法和仪器分析法。化学分析法所需设备简单，所得结果比较准确;但操作步骤多，时间长。仪器分析法能很快得出结果。常用的仪器分析法有比色法、火焰光度计法、原子吸收光谱法、发射光谱法和x射线荧光光谱法等。煤灰是由各种金属氧化物和非金属氧化物组成的混合物，各成分的熔点不同，共同存在时还可形成具有特有熔点的共熔体。因此，这种混合物没有一个固定的熔点，只有一个熔化温度范围。煤灰中各成分含量不同，煤灰熔点也就不同。在一般情况下煤灰中Sj仇含量与煤灰熔点的关系不明显，但当510:含量在45 一60%时，则随510:含量增加，灰熔点降低。A120:含量大，则煤灰熔点高。Fe203、Cao和Mgo含量多，煤灰熔点低。有人试图用灰成分中酸碱比，_510，十A1203+TIO，A/B一二，，，于于弓分士开共拼份笼石二是户，=二 ‘一‘一CaO十Mgo十凡203+Na:0+K:0来估测煤灰熔点。煤灰熔点与煤的利用有关，高灰分且煤灰熔点低的煤，在燃烧时易于结渣，造成排渣困难。当煤用作气化原料时，若煤灰熔点过低，易结渣造成运行困难;而煤灰熔点过高的煤又不易生成熔渣，故不能用于熔渣气化炉。在铁矿粉直接还原时，要求煤灰熔点较高。测定煤灰熔点可以用块锥或角锥，中国常用的方法为角锥法。角锥法是将煤灰加上糊精混匀，并在模中形成一定大小的三角锥体。将三角锥体放入灰熔点测定炉，在一定的气氛中，以一定速度升温，根据灰锥熔融特征(见图)确定灰熔点。当灰锥尖端开始熔化并弯曲或棱角变圆时，即为变形温度 J“，…_._ 原形，，T:九灰锥熔融特征示意图Tl;灰锥尖端弯曲触及托盘，或变成球形，或变成高度小于(等于)底长的半环形时的温度为软化温度少2;当灰锥完全熔化，展开成薄层(毛1.5~)时的温度为流动温度(或熔化温度)，3。T;一T:的温度范围称为煤灰的软化范围，而外~，。的温度范围称为煤灰的熔化范围。此法设备简单，操作方便，结果比较准确。工业上一般以软化温度TZ作为衡量煤灰熔融性的指标，即煤灰熔点。试验时气氛是氧化性还是还原性，这对煤灰熔融性的测定有一定的影响。由于在工业锅炉或气化妒中，煤灰成渣部位的气体介质呈弱还原性，因此，为模拟工业条件，测定往往在弱还原性气氛中进行。
