劣质煤

The large and medium-sized cement enterprises in our country generally use high-quality bituminous coal and low quality coal can not been used.

随着优质资源的日益稀少，水泥工业逐渐向利用低质燃料的方向发展，但局限于当前的水泥生产工艺水平，能够适应水泥生产的煤种范围比较窄，一般我国水泥工业中的大中型企业多使用优质烟煤，劣质煤很难得到应用。

China enjoys an abundant lignite reserve, which makes it an economical and viable approach to exploit and utilize lignite.

随着世界性的能源紧张和能源结构的调整，对褐煤等劣质煤的开发利用越来越得到人们的重视。

Power plant of pithead of this coal company is to use what produce inferior coal and coal washing plant oneself is medium the item of integrated interest expenditures that coal makes fuel.

该煤炭企业坑口电厂是利用自产劣质煤和洗煤厂的中煤作燃料的综合利用项目。

An effective approach for utilizing low grade coals,fluidized bed combustion with flyash underbed recycle is recommended based on analyzing the state of the art of fluidized bed combustion.

针对国内外流化床燃烧技术发展现状，提出了飞灰循环底饲回燃利用劣质煤的有效途径。

Based on the characteristics of faulty coal,the process and operation are adjusted and drawn up to suit its properties,viz.,to decrease appropriately the intensity of blowing,readjust the quantity of steam used,prevent the coal bed from blown upside down,dented,tunnelled or lumped,and readjust the upward and downward blowing of nitrogen and air in quantity,with the result that experiences ar...

根据劣质煤的特性调整和制定了适合其性质的工艺和操作，即适当减小吹风强度，调整蒸汽用量，防止出现炭层被吹翻、吹凹、吹出风洞及结块，调节上、下吹加氮空气量等。劣质煤的应用，降低了成本，提高了企业的竞争力。

With respect to the above-cited issues an experimental study was conducted of the gas-solid dual-phase flow characteristics of the Tangential firing system and the reverse tangenfial firing system with the help of PDA system.

针对切向燃烧锅炉燃用劣质煤时的稳燃及水冷壁高温腐蚀问题，采用PDA测量系统，对四角切圆锅炉中一、二次风同心反切和同心同向燃烧方式进行了气固两相流动特性的实验研究。

Along with the rapid development of our country's Industy, the factors induce that the power plant combusts the single coal impossibly for a long time, which are the increase wastage of coal, the difficulty transportation, the asymmetric distributing of coal mine and the policy of nation about that power boiler combusts inferior coal, therefore, the power plant must combusts blended coals.

随着我国工业的快速增长，煤的消耗量增加，加上运输困难、煤矿分布不均匀以及国家有关对燃煤锅炉尽量燃用劣质煤的政策等因素，造成电厂不可能长期燃用单一煤种，而不得不燃用配煤。

The combustibility of Funchen tinpot coal and catalytic combustion kinetics of this coal doped with 5% the rare earth coal-burning additive were studied by thermogravimetric experiment at air atmosphere.

用热重分析法研究了江西丰城劣质燃煤的燃烧特性和稀土助燃添加剂对该煤燃烧催化的动力学。

At present there exit many problems on pulverized coal combustion technology, for example, poor flame stability (including for low-grade fuels and low load), low combustion efficiency, serious pollution, furnace slagging and high temperature corrosion, etc. Therefore solving these problems is very important for pulverized coal-fired utility boilers.

目前我国煤粉燃烧技术中存在的主要问题是燃烧不稳定（包括劣质煤稳燃和低负荷稳燃）、燃烧效率低、污染严重、结渣和高温腐蚀问题等，解决这些问题是煤粉锅炉安全、稳定、高效和清洁燃烧的基本保证，也是今后煤粉燃烧技术的发展方向。

In order to widen selective range of coals in cement kiln, in this thesis, the research of ignition characteristics, kinetics and microstructure to different quality coal is carried on, which offer the foundation theoretical for the low quality coal used in New Dry Process kiln craft.

为了拓宽水泥工业用煤的选择范围，本文结合干法水泥生产过程，进行了针对分解炉内不同质煤的着火特性、动力学和微观结构问题的研究，希望能为劣质煤在干法水泥生产中应用提供理论依据。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。