精煤

通过数学方法和给定公式确定各分选作业的实际精煤、矸石产率、性能评价指标Ep值、I值等。

The clean coal yield , performances and evaluation index Ep and I value and separation densities were calculated by mathematical method .

影响淮北选煤厂精煤G（R.I.）值下降的因素分析及对策

Analysis and countermeasure of the factors of G_ ( R.I. ) value dropping of clean coal in Huaibei Coal Preparation Plant

用HF和H2SiF6脱灰制高精煤

Study of coal deashing by HF and h_2sif_6 acid

结果表明，复合捕收剂能较大幅度提高精煤产率和可燃体抽出率，并能较大幅度加快浮选速率，其中以MR－2最佳。

Flotation tests compared with kerosene showed that they can all improve clean coal yielding and flotation rate , MR 2 is the best among them .

选用基于模糊理论的PID控制系统后，有力地保证了精煤质量的稳定和回收率的提高。

After using the fuzzy-PID control system , the stability of the refined coal quality is guaranteed and the recovery ratio is increased .

通过改造60万t跳汰系统，实现对A、B、C系统中煤再洗，使主系统洗九级精煤时，回收率提高了2%～4%。

By improving the 0 . 6 Mt jig preparation system , to realize re-separation for middling of A , B , C system , the recovery have raiaed 2 % ~ 4 % when the main system separat 9 level clean coal .

采用BP神经网络原理，对精煤压滤过程数据进行处理，建立了基于人工神经网络的精煤滤饼水分预测模型。

The principle of BP neural networks was used to process the data of float coal filter pressing , so as to establish a prediction model of float coal filter pressing product moisture on the basis of neural networks .

东天山地区风化矿物黄钾铁矾的K-Ar年代学研究及其环境意义探讨洗选精煤；经销精煤、焦炭、铝矾土、生铁。

K-Ar Chronology of Jarosite in Eastern Tianshan and Its Environmental Significance Methods Plant ; Distribution Plant , coke , bauxite , pig iron .

介绍了七台河精煤集团公司新建分公司选煤厂浮选系统中存在的问题及应用XMGZ型精煤压滤机后的工艺效果。

This article introduces the problems existed in floatioom system of Qitaihe Coal Preparation Plant , and the precess result of using XMGZ clean coal pressure filter .

LWZ1200×1800型沉降过滤式离心脱水机用于精煤泥脱水

Application of LWZ1200 × 1800 screen-bowl centrifuge in coal slime dewatering

以安钢焦化厂进厂精煤为研究对象，建立了煤全分析中Y-G回归方程。

Y & G regression equations of coal total analysis have been established by researching cleaned coal .

给出了实施选煤厂CIMS的优化目标及其在精煤设计中的体现，提出了基于质量功能配置的洗选产品优化设计模型，通过一个仿真实例说明了该方法的有效性。

In this paper , the optimization aims of implementing coal preparation plant CIMS and their embodiments in the design of washed coal are expounded . The model of optimal design of coal preparation product based on quality function deployment is put forward . A simulation example shows its efficiency .

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 .

FCA乳化M2油-M4浮选剂在两个选煤厂的生产试验结果表明：M4浮选剂具有浮选速度快、药剂用量少和精煤产率高等优点，并具有一定的技术经济效益。

The demonstration results of the emulsified M_2 oil by FCA-M_4 floatation reagent at two coal preparation plants show that M_4 has the advantages of high rate of floatation and high yield of combustible , and low consumption of reagent , and some techno-economic benefits .

研究了通过提取煤浮选泡沫层图象的特征量，建立数学模型预测精煤泡沫的灰份和浓度；将泡沫图象按结构进行分类，利用泡沫结构特征识别的LVQ神经网络模型建立浮选控制系统。

Through distilling the characteristics of foam image , this paper studied the mathematical model of the ash and density of foam of flotation coal , classified foam image by their structure , established a flotation control system on LVQ nerve network model of recognition of foam framework .

并在实验室里做了大量的模拟实验获得了页岩表面γ辐射能谱和顶板岩中的天然γ射线穿过0～40cm厚的精煤和原煤吸收曲线。

A number of simulation tests were made in the laboratory . The spectrum of γ radiation on the surface of shale and absorption curves when natural γ rays in the roof passing through both the cleaned and raw coal in thickness , of 0 ￣ 40 cm were obtained .

通过TZJ加压过滤机在马兰矿选煤厂的实际应用，以及与圆盘真空过滤机的对比分析，介绍了采用加压过滤机工艺技术降低浮选精煤水分的应用效果。

Through actual application of TZJ pressurized filter in the coal-separating plant of Malan Mine and the comparative analysis with disk vacuum filter , this paper introduces the application results of adopting pressurized filter to reduce the water contents of float fine coal .

在此基础上，利用CHG-10型高梯度磁选机进行了细粒煤脱硫实验，处理南桐&0.3mm高硫煤，取得了精煤产率65%，脱硫率60%以上的较好效果。

Further , desulfurization tets of fine coal have been done using CHG-10 HGMS in the laboratory . The clean coal with desulfurization rate 80 % and yield 85 % has been obtained for-0 . 3 mm Nantong high sulfur coal .

介绍了LWZ1200×1800型沉降过滤式离心脱水机的工作原理和技术特征及其在新疆焦煤集团选煤厂中用于精煤泥双段脱水回收流程中的工艺效果。

The working principle and technical characteristics of LWZ1200 × 1800 screen-bowl centrifuge are introduced . In the washing plant of Xinjiang Coking Coal Group Corporation Ltd. , the technologic effects of the centrifuge in coal slime two step dewatering and recovery flow are discussed .

高分子絮凝剂对浮选精煤离心脱水的影响因素分析

Analysis on Dewatering Effect Factors of Continuous Centrifuge with high-polymer flocculant

加强技术改造降低精煤水分

Strengthening the technological improvement to reduce the moisture of cleaned coal

2005年炼焦精煤及相关行业经济形势分析研究

Analysis Economic Situations of Coking Coal and Relative Industry in 2005

生产低灰炼焦精煤对节能的重要意义

Significance of Producing Low-ash Metallurgical Coal in Relation to Energy Saving

加强生产流程管理，保证精煤产品质量

Strengthen Production Line and Management , Ensure Quality of Fine Coal

本文系统地研究了开滦精煤股份有限公司营销发展战略。

This thesis studies the marketing development strategy of KCC systematically .

炼焦精煤氧化性质的研究

Study on Oxidation Nature of Washed Coal for Coke - making

浮选精煤过滤工艺系统的探索与实践

Exploration and Practice of Filtration Process System of Flotation Cleaned Coal

经销精煤、焦炭、铝矾土、生铁。

Distribution Plant , coke , bauxite , pig iron .

用浮选精煤过滤方程确定压滤机的工艺参数

Determination of Technical Parameters of Filter-Press Based on Filtration Equation

细粒浮选精煤气体置换脱水的实验研究

Test study on clean coal air replacement dewatering for fine coal floatation