The relationship of combustion efficiency and pulverization coal size distribution by using the different kinds coal is studied.
试验研究不同煤种燃烧率和煤粉粒度组成关系。
The effects of coal ranks, the temperature for sulphonating re-action, the sulphonating duration, the coal size etc on the characteristics of ions ex-change of sulphonated coal are tested.
实验考察了煤种、磺化温度、磺化时间、煤粒度等因素对于产物磺化物离子交换活性的影响。
The results show that the smaller coal size, the higher oxidation temperature, and the longer oxidation time, the higher concentration of paramagnetic center are able to form free radicals.
结果表明,诸因素均能诱发煤自由基的形成:煤体被破碎地越细小,自由基浓度越大;
It is thought that no coal plant of this size has been converted anywhere in the world.
在世界范围内,目前还没有一个如此规模的煤炭工厂转型成功。
For example, it recently won an order to provide a 2.2 megawatt-hour battery, the size of a shipping container, for use in tests to back up a Chinese coal-fired power station.
例如,它最近获得了一个订单,为中国的一个火力发电厂提供一个2.2兆瓦时,集装箱大小的电池,进行备份测试。
By 1830, Mr Ridley estimates, Britain was consuming coal with an annual energy output equivalent to 15m acres of forest, about three times the size of Wales.
里德利估计,至1830年止,英国每年消耗的煤炭能源总量相当于1500万英亩的森林,相当于威尔士的三倍大小。
Last year, China added 90 GW of coal-generated power to its grid — nearly the size of Germany's total installed capacity.
去年中国入网的燃煤发电装机容量增加了9000万千瓦,几乎相当于德国的总装机容量。
Various size of pulverized coal and char were prepared for experiments, also their physical and chemical characters were experimentally analyzed.
制备了不同细度的实验煤粉和煤焦,并对其物理化学特性进行了实验研究。
The test shows that size distribution of feeding coal, volatile content and its release as well as the total air rate and primary air ratio will influence the post combustion in CFB boiler.
测试结果表明,影响后燃现象的主要因素是给煤的粒度分布、煤挥发分含量及挥发分析出规律,同时与炉膛内总风量、一二次风量的配比有关。
This paper summarized the distribution of sulfur and its vdrious existing forms in coal in China and the regularity of distribution of sulfur content in coal with its size is studied.
介绍了我国煤中疏的含量分布及硫的存在形式,并研究了含硫量随粒径的分布规律。
Effects of coal rank, coal maceral, temperature, heating rate, coal particle size, residence time, atmosphere, and pressure on the phenols production in coal conversion were discussed in this paper.
本文探讨了煤化度、煤岩组成、温度、加热速度、煤颗粒大小、停留时间、反应气氛和压力对煤转化过程中酚类产生的影响。
At present, the chain grates have been extensively applied to medium-and small-size coal-fired reheating furnace, and good effects achieved.
目前,链式炉排已广泛地应用于中小型燃煤加热炉,并取得了可喜的成果。
The factors affecting coal pillar stability are discussed, and the technical way reducing coal pillar size and enhancing recovery ratio is put forward by means of rock bolting.
本文探讨了影响煤柱稳定性的因素,提出了采用锚杆支护加固煤柱减小煤柱尺寸提高房柱式采煤回采率的技术途径。
The primary oxygen concentration obviously affected NO reduction, especially when the reburning coal and char had bigger size.
初始氧浓度对煤粉和煤焦再燃还原NO效率均有明显影响,当粒度较粗时这种影响更加显著。
The surface area and pore structure of Datong coal and the influence of coal particle size on them were studied.
研究了大同煤的表面微观结构及颗粒粒度对表面微观结构的影响。
North Shaanxi and Ningxia are extremely abundant in coal resources, with excellent geographical positions and transport facilities, suitable to build large size pithead power plants.
陕北及宁夏煤炭资源极其丰富,地理条件优越,交通十分方便,适宜建设坑口电厂。
In view of several problems of return loop, separator and final coal grain size in CFB boilers, the improvement measure and experience were described.
针对循环流化床锅炉的返料器、分离器和成品煤粒径等问题,介绍了国内外解决问题的经验和措施。
The proper size of coal pillars and mining width for partial mining are studied with theory of continuum mechanics.
本文用连续介质力学的理论,探讨了条带法开采的合理条带尺寸。
The effect of feed coal particle size on strength of briquette is discussed when different briquetting process and rank of coalification coal are adopted.
阐述了采用不同成型工艺和使用不同变质程度煤成型时,原料煤粒度对型煤强度的影响。
This paper summarized the distribution of sulfur and its various existing forms in coal in China and the regularity of distribution of sulfur content in coal with its size is studied.
介绍了我国煤中硫的含量分布及硫的存在形式,并研究了含硫量随粒径的分布规律。
The displacement Angle of strata has a great bearing on the size of coal pillar for protection of buildings on very thick unconsolidated layers, and has a great economic potentials.
地层移动角参数对巨厚松散层矿井的建筑物保护煤柱尺寸影响很大,经济潜力十分巨大。
There may be existed an optimal coal-char size range that makes abundant porosity and bigger pore specific areas to enhance the gasification reaction.
实验中发现在一定的气化工况下,煤焦存在一个合适的颗粒尺寸范围,能形成比较大的孔比表面积和孔容积,有利于增强煤焦的气化反应。
These studies have evident theoretical significance to decrease coal pillar size and enhance recovery ratio, and practical importance to solve the problems of irregular seam mining in our country.
本文研究对减小煤柱尺寸,提高房柱式采煤回采率具有明显的理论指导意义,对解决我国生产矿区面临的不规则区段煤层开采问题具有实际意义。
The grindability of coal is an important parameter in pulverized coal utilization, and the HGI(Hardgrove Grindability Index) is relevant to the coal pulverization and the particle size distribution.
可磨性是煤加工利用过程中的一个重要指标,可磨性指数与煤的破碎机理、煤粒破碎后的粒度分布均有关系。
This paper presents the on line measurement of size, concentration and velocity of pulverized coal with light fluctuation and correlation method.
该文介绍了结合光脉动法和相关测速法同时在线测量煤粉粒径、浓度和速度的技术和装置。
In the same pyrolysis condition, the pyrolysis velocity of light hydrocarbon obviously decreases with the increase of carbonized degree and increases with the decrease of coal particle size.
在相同的热解条件下,轻质烃的热解析出速率随着煤种碳化程度的增高而明显降低,随着煤粉粒径的减小而逐渐升高;
The experiment is to certify that dewatering middle particle size of coal slurry with gravitational dewatering obtain standard moisture of the commercial coal.
试验证明对中等粒度煤浆用重力脱水法是可以达到商业煤含水量标准的。
The factors concerned are coal type, reaction temperature, particle size of coal, gas flow rate, coal feeding methods, reaction time and gasification agents.
考察的因素有:煤种、温度、粒径、流速、加煤方式、反应持续时间,气化剂的类型。
The factors concerned are coal type, reaction temperature, particle size of coal, gas flow rate, coal feeding methods, reaction time and gasification agents.
考察的因素有:煤种、温度、粒径、流速、加煤方式、反应持续时间,气化剂的类型。
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