1) petrographical compositions
煤岩特性
2) coal petrology characteristic
煤岩特征
1.
From coal petrology characteristics,screening,float-and-sink analysis,coal and gangue degradation in water testing,studied the coal washability characteristics in the mine area and each minefield.
从煤岩特征,煤的筛分、浮沉、煤及矸石的泥化程度试验等方面,对矿区及各井田煤的可选性特征进行了研究,研究表明:清水营井田煤中粘土类矿物较多,可选性较差,其它井田可选性相对较好;矿区煤中粘土矿物多呈细胞充填状,惰质组含量较高,难选出灰分很低的煤;当浮煤灰分控制在6。
3) coal petrography character
煤岩性质
4) ingredient layer characteristic
煤岩层特征
1.
The paper gave an outline of Xieqiao coal mining geology and hydro-geological conditions;It introduced the general situation of 1#and 2# cave-in post,introduced ingredient layer characteristic of 13118 working face lower back entry west segment exposed 2#cave-in post and influence zone with an emphasis.
本文简单介绍了谢桥煤矿地质、水文地质条件;介绍了1#、2#陷落柱的概况;重点介绍了13118工作面下顺槽西段揭露的2#陷落柱及其影响带的煤岩层特征;说明了2#陷落柱具有整体塌陷、柱体内部裂隙发育、裂隙较宽和联通性较好等、在煤层中柱体边界清晰、陷落柱影响带较宽等特征;初步分析了陷落柱发育的时间、原因。
6) coal characteristics
煤质特性
1.
Influence of coal characteristics on laser-induced plasmas;
煤质特性对激光等离子体的影响
2.
Through aerodynamic field test for 220MW unit boiler,the influence of coal characteristics,hearth structure,operating parameters on boiler slagging was analyzed,some solution and precaution measures were presented which can be used for reference in solving boiler slagging problems.
针对内蒙古某电厂200MW机组锅炉结渣现象严重的问题,在炉内空气动力场试验的基础上,分析了煤质特性、炉膛结构和运行参数等对锅炉结渣的影响,初步提出了对应的解决及防治措施。
3.
A full realization of coal characteristics is the prerequisite and the foundation for the promotion of the current coal conversion procedures and the development of the high-efficiency clean coal technologies.
煤质特性一直是煤科学研究的重要组成部分,对煤质特征的深刻理解与认识是优化现有煤炭加工转化工艺和开发新的煤高效洁净转化技术的前提和基础。
补充资料：半煤岩巷掘进
见煤巷掘进。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条