炼焦

Results of micronucleus test in coking workers could reflect preliminary damage to their health caused by it.

对炼焦工人进行微核检测，可反映炼焦作业对机体早期的危害。

In this paper, Petrographical coal blending and predicing coke quality were done using 15 kinds of normal coal, by 40Kg coke oven and using microphotometer and polarized light microscope to check the quality of the coke, on the basis of investigation of quality, stability and price of about 30 kinds of coking coal recently used by ANGANG GROUP.

本文在对鞍钢近年使用的约30种炼焦煤的质量、稳定性及价格充分调研的基础上，选择了15种常用煤为实验煤种，以40Kg实验焦炉为炼焦手段，以显微光度仪和偏光显微镜为煤岩检测工具，开展了煤岩配煤与预测焦炭质量的研究工作。

Both of the new hard coking coal assessments reflect quality of 64% minimum coke strength after reduction, 9% maximum air dried ash, and 25.5% maximum air dried volatile matter, with recognized premium hard and hard coking coals of differing quality normalized to the Platts specification basis.

上述两种新硬炼焦煤估价反映的质量均为还原后强度不小于64%，风干灰分不大于9%，风干水分不大于25.5%，认可的优质硬炼焦煤和质量不同的硬炼焦煤按照普氏的规格基准进行正常化处理。

The application of coal petrography technology in coking coal blending makes the blending method more effective and the prediction of coke quality possible, which creates condition for the qualitative experiential coal blending being developed into a scientific quantitative one.

煤岩学在炼焦配煤技术上的应用，使炼焦配煤手段更有效，使焦炭质量预测在生产上应用成为可能，为定性的经验配煤技术跃变到定量的科学配煤技术创造了条件。

Medium temperature pitch mixed into coal coking test was carried out in test coking oven.

利用试验焦炉进行了中温沥青配煤炼焦试验，结果表明，中温沥青在配煤炼焦时可以起到粘结剂的作用，配入适量的中温沥青后焦炭质量明显提高。

At last, considering high security of system, the coking fault diagnosis strategy based on MAS is present.

最后针对炼焦系统的高安全性要求，提出了基于MAS的炼焦过程故障诊断策略。

The mathematic relationship between coking coal's characters and coke reactivity index and coke strength after reaction was studied.Main effect factors were analyzed by dynamics model formed by metaplast and mesophase.Taking metamorphic degree of coal, coal maceral, caking property, ash and the content of K_2O and CaO as independent variable, forecasting model was set up by the coking tests with 25 kinds of coals used in the industries.It concludes that exinite in coal makes CRI increase and CSR...

以研究炼焦煤性质与焦炭反应性、反应后强度之间的数学关系为目的，通过胶质体和中间相形成动力学解析导出模型的主要影响因子，以煤的变质程度、煤岩组成、粘结性、灰分及K2O和CaO含量等因素为自变量，由25种工业用煤的炼焦试验，建立出预测模型，并得出壳质组使反应性增大及反应后强度降低；K2O催化作用强于CaO，且两者的催化作用均随煤的变质程度不同而不同等重要结论。

And then we do many experiments about using different fineness of unblended coal and coal blending to coking,and get some results of the effects of coal fineness on coke strength to provide a reliable reference for coking production.

根据我厂一、二炼焦用煤的细度不一，焦炭质量有明显的差别，进行了单种煤和配合煤不同细度的炼焦试验，了解不同细度煤对焦炭强度的影响，为炼焦生产提供可靠的参考依据。

The result shows that the qualities of coke were improved generally if coking experiment was done with preliminary disposed coal in which the percentage of weakly caking coal increases to 45%.

研究结果表明，使用预处理后的煤炼焦可在弱粘煤配比提高到45%以上时仍能全面提高焦炭质量；能显著提高炼焦生产能力、减少焦化废水，并能缩短炼焦时间；炼焦的副产品，焦油中芳香烃明显增加，煤气中氢气增加，甲烷减少。

The results indicate the mutual effect exists between the single coals, which could increase the maximum of thermal weight loss obviously and has a small effect on the temperature extent of the weight loss. The main pyrolysis production of coal is coke, but the main production of waste plastics is tar; the yield of water became decrease and the gas became increase by adding the waste plastics. And the CRI and CSR decreased with the ratio of waste plastics in coal. The main ingredients of tar from blend coal are aromatic hydrocarbon and alkane, while those of waste plastics are alkane and alkene. The result of co-coking with coal and waste plastics make the light tar and the aromatic hydrocarbon increase obviously. The combustible ingredient(CO、H2、CH4) of gas from co-coking with coal increase at different ratio; Co-coking with coal and waste plastics could increase the combustible ingredient and thermal value of gas.

结果表明，废塑料与煤混合物在煤的塑性温度区间内存在明显的相互作用，使最大热解失重峰迁移，热解速率变大，且随着废塑料配比的增加呈现规律性的变化；煤热解产物固体焦炭为主，而废塑料的热解产物以焦油为主，废塑料的添加使得总体焦炭和水产率下降，焦炉煤气和焦油的产率增加，即共焦化呈现出明显的&增油减水&效应；随着塑料添加量的增加，焦炭热强度呈现劣化趋势；废塑料代替瘦煤配煤炼焦可使其比例提高到3%而不影响焦炭的质量；纯煤焦化所得焦油以芳香烃类和烷烃类为主，而废塑料热解焦油以烷烃和烯烃为主；废塑料配煤炼焦，可使得的焦油呈现&环构化&和&轻质化&趋势；废塑料的添加可使煤气中的可燃组分(CO、H2、CH4)的含量均有不同程度的增加；废塑料配煤炼焦可以优化焦炉煤气的组成，增加煤气中的可燃组分，提高焦炉煤气的热值。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐