说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 煤自燃
1)  coal spontaneous combustion
煤自燃
1.
Law of index gases adsorption and condensability of coal spontaneous combustion;
煤自燃指标气体的吸附与浓缩规律
2.
Study on sign gas for predicting coal spontaneous combustion in Wuda mine area;
乌达矿区煤自燃预测标志气体研究
3.
Effect of physicochemical properties of coal maceral on coal spontaneous combustion;
煤岩组分的物化性质对煤自燃的影响
2)  spontaneous combustion of coal
煤自燃
1.
Mechanism and restraining technology on spontaneous combustion of coal detonating gas in goaf
采空区煤自燃引爆瓦斯的机理及控制技术
2.
Theory of gases generation during the process of spontaneous combustion of coal
煤自燃过程气态产物产生机理
3.
In order to understand the process of coal self-ignite,the process of spontaneous combustion of coal was simulated with adiabatic oxidation, and the temperature-time curves and the rule that activation energy increases with temperature rise were obtained.
为了深入了解煤自燃发生发展过程,对煤自燃过程进行了绝热氧化模拟,获得了煤自燃过程升温曲线,得出煤自燃过程活化能随温度升高而逐渐上升的规律,同时对煤低温氧化过程微观结构变化规律进行了红外光谱测试。
3)  coal self-ignite
煤自燃
1.
Through analyzing on the components and self-ignite mechanism of raw coal in Datong Shangshenjian Coal Washery, this paper finds the reasons of the coal self-ignite, and works out some measures for preventing the coal self-ignite.
通过对大同上深涧选煤厂原料煤组成以及自燃机理的分析,找出了原煤自燃的因素,并制定了防止自燃的措施。
2.
The primary cause of coal self-ignite is all of coal has the characteristic of heat liberation of oxidation.
任何一种煤都具有氧化放热性是煤自燃的根本原因,煤自燃氧化放热效应的主要影响因素包括煤分子结构、温度、氧浓度和松散煤体粒度。
3.
Both connections coal self-ignite with oxygen concentration and range of oxidation zone with air-leak intensity are analyzed.
:根据传热学和化学动力学理论 ,推导出采空区下限氧浓度和氧化带宽度的计算方法 ,并分析了煤自燃与氧浓度、氧化带宽度与漏风强度的关系 在此基础上 ,对采空区注氮后相关参数的变化规律进行了定量研究 根据理论推导 ,确定出防治采空区浮煤自燃的最佳注氮参数 ,为采空区注氮后自燃火灾的预测及防治提供了理论依据 参
4)  coal spontaneous combustion
煤炭自燃
1.
Evaluation system of prevention and control technology for coal spontaneous combustion;
煤炭自燃防治技术评价体系
2.
Study on the forecasting target of coal spontaneous combustion;
煤炭自燃标志性气体预测指标的实验研究
3.
Research on coupling between oxygen consumption rate and temperature during coal spontaneous combustion process;
煤炭自燃过程中耗氧速率与温度耦合研究
5)  coal seam spontaneous combustion
煤层自燃
1.
As is known, although general engineers and technicians in the coal mine practice have accumulated a lot of data and materials in this way, coal seam spontaneous combustion is still an extremely complicated physical-chemical and environmental process to be harnessed.
在全面分析影响煤层自燃因素的基础上,建立了煤层自燃预测的人工神经网络模型。
6)  spontaneous combustion
煤炭自燃
1.
Design and development of a device for simulating coal spontaneous combustion;
煤炭自燃模拟实验装置设计与研制
2.
Based on the study of main factors of coal spontaneous combustion,a mathematical model for the process of coal self-heating in mines was put forward.
通过对影响煤炭自燃因素的分析,建立了采空区内遗煤自燃过程数学模型,可随时预测不同漏风强度和不同推进速度条件下,采空区遗煤自然发火的危险性,对丁集煤矿1262(1)首采面采空区遗煤自燃过程中,氧化时间、工作面推进速度对煤温的影响进行了计算机模拟,成功预报了在回采过程中采空区遗煤不自燃,确保了该工作面安全回采。
补充资料:自燃点和自燃温度
分子式:
CAS号:

性质:又称自燃点和自燃温度。在规定条件下,可燃物质不需外来火源即发生燃烧的最低温度。中国规定气体、蒸气危险物质按引燃温度分为6组:引燃温度T>450℃为T1组、300℃<T≤450℃为T2组、200℃<T≤300℃为T3组、135℃<T≤200℃为T4组、100℃<T≤135℃为T5组。85℃<T≤100℃为T6组。粉体、纤维危险物质按引燃温度分为3组:引燃温度T>270℃为Tll组、200℃<T≤270℃为T12组、140℃<T≤200℃为T13组。

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