原煤

一种基于工业PC的原煤计量及控制系统

An IPC Based Metering and Control System of Raw Coal

VBA在选煤厂原煤分选预测中的应用

Application of VBA in the predication to the separation of raw coal in coal - cleaning plant

原煤斗下煤不畅的原因分析与处理属，原H（？）

Reason Analysis and Countermeasure of the Coal Powde from Coal Scuttle was Impeded Next , H.

采用EXCEL绘制原煤可选性曲线

Using EXCEL to Plot Raw Coal Washability Curve

不同煤岩显微组分富集物焦的CO2反应性均随煤化程度的提高而降低，且随原煤煤化程度的提高，二者的反应性差异减小。

The CO2-reactivity of both vitrinite-rich and inertinite-rich concentrates decrease with coal rank increasing , but the difference of CO2-reactivity between vitrinite and inertinite becomes smaller .

西门子称重元件应用于煤矿主井提升系统与PLC配合实现装载自动定量控制和原煤产量的计量。

Load cell of SIEMENS using in coal mine main well coveying system cooperate to PLC , realizes automatic quantitative loading control and coal yield measure .

ARIMA模型在我国原煤生产预测中的应用分析

Study on the Application of ARIMA Model in Forecasting China 's Coal Production

挥发分氮和焦炭氮对N2O生成的相对贡献的研究方法&对原煤/焦炭分别燃烧实验法的研讨

Research method of relative contribution of volatile N and char n to n_2o formation based on coal / char respective combustion experiment : discussion on experiment and calculation

原煤和半焦加压燃烧飞灰中PAHs分布特性研究

Study on the Distribution of PAHs in Fly Ash from Coal and Residual Char Combustion in a Pressurized Fluidized Bed

禁止工业锅炉原煤直接燃烧，改烧经洗选、加工、成型、转化后的洁净煤制品，锅炉热效率可明显提高，烟尘和SO2污染也会得到控制，实现经济效益和环境效益双赢。

Prohibiting direct burn of raw coal and burning clean processed products can achieve a good benefit in economy and environment .

通过Excel和VisualBasicforApplications两种强大应用程序的结合，使得对选煤厂原煤数据的处理十分方便；

The raw coal data is able to be processed conveniently in coal cleaning plant with the application of the two superior application programs of Excel and VBA ( Visual Basic for Applications ) .

对PAHs污染源调查研究表明，原煤的开采、储存、运输及其加工利用过程是造成PAHs污染的主要来源。

PAHs sources of the studies , coal mining 、 storage 、 transport and processing of a process is the main source of PAHs pollution .

为了研究原煤和半焦加压燃烧飞灰中多环芳烃（PAHs）的分布特性，本文在一台小型加压喷动流化床燃烧炉上进行了原煤和半焦加压燃烧试验。

To investigate the distribution of PAHs in fly ash , the combustion of coal and residual char was tested in a pressurized spouted fluidized bed .

提高灰分含量或采用低发热量原煤，可以降低煤部分气化PAHs生成。

The quantities of PAHs reduce with the increase of ash content of coal or the drop of heating value of coal during coal partial gasification .

试验结果表明：煤部分气化PAHs生成量高于原煤PAHs含量（徐州烟煤除外）；

The experimental results show that the total PAHs contents generated in coal partial gasification are higher than in raw coal ( except Xuzhou bituminous coal ) .

结果表明，3种原煤中的PAHs以三环、四环和五环PAHs为主，并且煤级越高，PAHs的总量越少；

Experimental results show that there are mainly 3-to 5-ring ed PAHs in 3 raw coals , the higher coal rank , the lower the concentration of PAH s.

TG和TG-FTIR分析了ZJ原煤与溶胀煤在热性质和结构上的关系；

TG and TG-FTIR analyze the correlation between the thermal characters and structures of the ZJ raw coal and swollen coal ;

另外，除了Pb，Zn外，贵州省原煤中Hg，As，Se，Cd的含量远远高于东北和内蒙古东部地区。

Meanwhile , except Pb and Zn , the contents of Hg , As , Se , Cd in coal of Guizhou province are much higher than those of Northeast China and Eastern Inner Mongolia 's.

与内蒙古规模以上制造业企业GDP的关联度大小排序依次为焦炭、电力消费量、汽油、煤油、燃料油、天然气消费量、原煤、柴油、原油。

The association degree decreases in the sequence about the GDP about manufacturing enterprises is coke , electric consumption , gasoline , kerosene , fuel oil , coal , natural gas consumption , diesel oil , crude oil .

安钢40t／h锅炉由于设备老化、原煤颗粒度不均等原因，造成该炉燃烧不好、锅炉热效率低。

40t / h boiler of Anyang Iron Steel Plant has unsatisfactory combus - tion and low heat efficiency due to old equipment and uneven particle Sizes of raw coal .

2009年我国原煤产量为30.5亿吨，在煤矿开采中，通过通风瓦斯排放的纯甲烷量在150200亿m3左右。

In 2009 , China has a coal production of 30.5 million tons and the volume of pure methane discharged through ventilation during coal mining is between 15 and 20 billion cubic meter .

经索氏萃取和K-D浓缩后，采用带荧光检测器和二极管矩阵检测器的高效液相色谱仪对原煤和半焦加压燃烧飞灰中被USEPA列为优控污染物名单的16种PAHs进行了测定。

After Soxhlet extraction and K-D concentration , the contents of 16 PAHs recommended by US EPA in coal , residual char , and fly ash , were analyzed by a HPLC coupled with fluorescence and diode-array detection .

电厂原煤燃烧产物飞灰和底灰中的PAHs的差异主要取决于煤在燃烧过程中的变化程度和化合物的热反应性能。

It mainly lies on the degree of the coal combustion and the capability of thermal reaction of compounds , which affects the contents and species of PAHs in fly ash and bottom ash from the power plant .

本文主要通过对原煤输送系统进行PLC改造后，已经显现或可能出现的安全问题进行了分析，并从实际应用角度出发进行了讨论，提出了一些实用性的措施。

Mainly through carry on to raw coal conveyer system interconnected system PLC after the transformation , appear already or security issue that may appear analyse this text , and from use angle is it discuss , have got some practicability measures out of to set out actually .

细化和超细化3种原煤在燃烧过程中SO2的释放曲线是3峰曲线，而脱灰样品SO2的释放曲线是双峰曲线，并且出现峰值的温度范围不尽相同。

Three kinds of pulverised and micro-pulverised coal show 3-peak SO2 emission course in process of combustion , but SO2 emission course of deashed sample is double peak course . Temperature range for peak value occurring is not same neither .

采用新汶、阳泉原煤作为实验用煤，选择Ca（OH）2作为主固硫剂，考察了CaS的变化对燃煤固硫燃烧特性以及动力学参数的影响。

Two kinds of coal from Xinwen and Yangquan were separately used in the experiment , and Ca ( OH ) _2 was selected as the main sulfur-fixing agent . The effect of ratio of Ca / S on the combustion characteristic and kinetic parameters was studied .

还研究了原煤未经脱灰直接浸渍Fe2＋，K＋等，发现其燃点也降低20～30℃，试验结果表明，Fe2＋是一种价格较低、活性较高的催化氧化剂。

Raw coals ( without acid treatment ) are impregnated directly with Fe2 + and K + solutions . Their ignition points also decrease 20-30 ℃ . The authors claim that Fe2 + is a cheap and hopeful catalyst for coal combustion .

在工业锅炉上用型煤替代原煤作燃料，一般可减少烟尘排放量70%～90%，减少SO2排放量60%，锅炉热效率提高4～8个百分点。

Briquette is substituted for row coal as fuel in industrial boilers , which can reduce the discharge of fly ash by 70 % ~ 90 % and SO 2 by 60 % , the thermal efficiency of boiler can increase by 4 ~ 8 percentages .

H2S是煤热解和气化过程中主要的含硫气体，其释放量与原煤含硫量、水蒸气含量、煤阶、碱土金属含量等有关。

H2S is the main sulfurous gas during pyrolysis and gasification , and the amount of it is impacted by the sulfur content of raw coal , the steam content , the coal rank , the alkaline earth metal content and so on .

发现废液水煤浆中因含有Na2SO4、NaOH以及NaCl等无机成份，其煤灰熔融特性与精煤水煤浆和制浆原煤相比，更具独特性。

It was discovered that due to the presence of inorganic constituents , such as Na_3SO_4 , NaOH and NaCl , etc in waste liquid CWS the latter 's coal ash fusion characteristics are distinguished by some uniqueness as compared with refined coal CWS and raw coal slurries .