Methods for coal quality assessment and optimization of raw coal exploitation are presented.
提出了煤质评价及优化开发原料煤的方法。
Industrial boilers huge energy consumption, Chinese output of raw coal accounts for about one-third.
工业锅炉能耗巨大,占我国原煤产量的三分之一左右。
Deformation, cracking and vibration phenomenon have appeared in raw coal silo of a thermal power plant.
某电厂原煤仓出现过变形、裂缝和振动问题。
Since 1993, the share of raw coal in Inner Mongolia′s total energy consumption has remained around 90%.
自1993年以来,内蒙古原煤消费量占能源消费总量的比重一直保持在90%左右。
Raw coal washability curves provide essential basic data for management and design of coal preparation plants.
原煤可选性曲线是选煤厂管理和设计的必不可少的基础资料。
In this thesis, the nature and state of raw coal cost is analyzed by means of the grey relevant analysis method.
本文采用灰色关联分析方法对原煤成本性态进行了分析,将原煤成本划分为固定成本和变动成本。
Raw coal direct selling is a social economic phenomenon in which raw coal from mines is marketed without any processing.
原煤直销是一种直接销售未经任何加工的原料商品煤的社会经济现象。
In this avtide we analyzed the producing raw coal Characteristics and pul forward our suggestions of reducing production costs.
本文阐述了原煤生产的主要特点,提出了降低原煤生产成本的具体措施。
The cementitiousness of the raw coal exercises a strong influence on the briquette thermal compressive strength during carbonization.
本文研究了城市两段炉用型煤的热强度特性曲线,结果表明,在干馏段型煤热强度的变化受煤种的影响很大。
Into the right internal car washing raw coal to coal, then the bottom of the sampling, to further strengthen internal quality management.
对内部入洗原料煤采取车底部接煤取样,进一步加强了内部质量管理。
The react mechanism is different for raw coal and demineralized coal and ash may change the distribute profile of coal nitrogen in a degree.
灰分对原煤和酸洗脱灰煤的作用机理不同,且加灰后都在不同程度上改变了氮的分配。
Methods To observe changes of biological indexes of two groups of children whose family use coal-biomass briquette and raw coal respectively.
方法观察使用不同型煤家庭的两组儿童生物学指标的变化。
It introduces the process of screening, classification and molding of the raw coal which is prepared to be raw material coal for gasification.
介绍了将原料煤加工成气化用原料煤的筛分、分级、成型等工序的工艺流程。
This paper introduces the state before reformation of Xinghua coal Washing Plant, analyzes why to carry on the reformation of the raw coal system.
介绍杏花选煤厂改造前的现状,分析为什么要对原煤系统进行改造。
The relation between the character of the flotation feed and the petrographic constituents of raw coal and especially the flowsheet is briefly described.
扼要地概括浮选原料的性质与原煤的岩相组成的关系,特别是和工艺流程的关系。
Factors such as buried depth, volatile matter of raw coal, water content and ash content in raw coal can produce influence upon gas content to some extent.
分析认为:研究区煤层气含量各煤层差异性较大,埋深、原煤挥发分、原煤水分、灰分产率等因素对煤层气含量均有一定的影响。
According to the balance estimation and calculation of sulfur content, the windage between sulfur content in raw coal and that is tested in system is 2.97%.
通过硫含量的平衡估算,得出原煤的硫含量与系统中测定的硫含量偏差为2.97%。
This article summarized the advantages of the traditional coking process and a new developed coking process which is two products of splitting raw coal gas.
简述了传统炼焦工艺和新开发荒煤气裂解的两产品炼焦工艺的优点及有待解决的问题。
The run results showed that the strength, activity and regeneratibility of QDB-04 catalyst met the requirement of the plant on raw coal gas CO shift reaction.
运行结果表明,该催化剂的强度、催化活性和烧炭再生性能均能满足该厂粗煤气变换装置的要求。
ZK –PDC belt balance is suit for all kinds of belt transported machines for solid material . and the material include : raw coal, sand, finger stone and so on .
PDC系列双托辊皮带称适用各种规格的带式输送机在输送固体颗粒状物料时动态计量。 常适用的物料包括原煤、大沙、细石、石灰石、石渣、粘土、铁粉等。
The results indicate that high concentration CWS can be made from Laoyingshan raw coal in Guizhou Province by using modified sodium lignosulfonate as additives.
采用正交设计法选取制取水煤浆所适用的添加剂配方及最佳粒度分布,结果表明用改性木质素磺酸钠和贵州老鹰山煤能制取高浓度水煤浆。
The relationship between the raw coal ash content and the structural differentiation was studied by using statistics and the principles of dissipation structures.
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 raw coal sample and the treated coal sample with metal corrosion interaction method using infrared spectrum and X ray diffraction were analysed, respectively.
利用红外光谱和X射线衍射对金属腐蚀电偶法处理前后的煤样进行了分析。
A formula of rebound distance based on coefficient of restitution was deduced through kinematic analysis of raw coal (mixed gangue) in the process of oblique-impact.
通过对斜碰撞过程中原煤(混矸)球的运动分析,推导出基于碰撞恢复系数的物料块反弹距离公式。
The problems that medium coal ash is difficult to control and the quality of raw coal is going poor in the application of Wangfenggang coal Preparation Plant are exposed.
该机在望峰岗选煤厂应用中,暴露出当入选原煤质量变差,中煤灰分控制不住的问题。
Theoretical analysis on suitable raw coal sizes for briquettes and experimental study on the relation between raw coal sizes and briquette strength have been carried out.
采用理论分析方法对合理原料煤级配进行了分析,并对原料煤级配与型煤强度的关系进行了实验研究。
The company the staff 50 people, have the specialty technical management personnel 20 people now, mainly manages services and so on raw coal, powdered coal import and export.
公司现在员工50余人,有专业技术管理人员20余人,主要经营原煤、粉煤进出口等业务。
Vibration classification screen is the key to ensure the quality of washing raw coal and product raw coal in the process of changing from run-of-mine coal to washing raw coal.
振动分级筛在矿井毛煤转化为入洗原煤过程中是保证入洗原煤和产品原煤质量(粒度合格)的关键设备。
This article carries out an experimental study on the screening performance of dual-directional transport screens on the basis of raw coal as the targeted screening materials.
以原煤为实验对象,对双向运输筛分机的性能进行了实验研究。
In this thesis, the nature and state of raw coal cost is analyzed by means of the grey relevant analysis method. The raw coal cost is divided into fixed cost and variable cost.
本文采用灰色关联分析方法对原煤成本性态进行了分析,将原煤成本划分为固定成本和变动成本。
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