Study on the Pore Structure and Gasification Reactivity of Coal Chars

Gasification Reactivity of Coal with Lower Ash Melting Point at High Temperature

低灰熔点煤的高温气化反应性能

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The chemical structure and pyrolysis reactivity of coal are analyzed.

煤的化学结构决定了其多种反应性，所以煤化学结构的研究一直都是煤结构研究中的重要的研究课题。

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Research development correlation between pore structure and reactivity of coal

煤的孔隙结构与反应性关系的研究进展

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The increase of temperature and oxygen concentration can enhance the reactivity of coal, and the release rates of soluble AAEM increase.

在全氧燃烧过程中，温度和氧气浓度是影响AAEM释放的主要因素，温度升高、氧气浓度增大都能增强煤的反应性，使得煤中可溶性的AAEM的释放率增大。

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Emphasis is put upon the calculation principle, software and hardware components, main specifications, application, as well as the features of the digital reactivity meter.

着重阐述了数字反应性仪的工作原理、软件及硬件构成、主要技术指标、使用情况，以及仪器特点。

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This paper deduced the basic formula which is used for Model KY140-728 Reactivity Meter.

本文推导了KY140&728反应性计所使用的基本公式。

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The calculation modle and code are presented at first and then the influence of reactivity insertion rate, reactivity insertion, fuel prompt negative temperature coefficient, heat capacity of the fuel and prompt neutron lifetime on pulse parameters are analysed in the paper.

介绍了铀氢锆反应堆计算模型和程序，分析了反应性引入速率、反应性引入量、燃料瞬发负温度系数、燃料热容和瞬发中子寿命对脉冲参数的影响。

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The coking test was made on coal sample with the same blending ratio and different bulk densities, the relationships between coke abrasion strength, crushing strength, apparent porosity, coke reactivity index, coke strength after reaction and charging bulk density were obtained.

采用同一配煤比和不同的装煤堆密度煤样进行炼焦试验，得出焦炭的耐磨强度、抗碎强度、显气孔率、焦炭的反应性、反应后强度与装煤堆密度的关系。

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The specific reactive rate, the average specific reactive rate, the initial specific reactive rate and the reactivity index for gasification with CO2 of various char samples from the inertinite-rich concentrates and vitrinite-rich concentrates have been calculated based upon the test results.

根据实验数据，分别计算了惰质组富集物焦和镜质组富集物焦与CO2反应的比反应速率、平均比反应速率、初始比反应速率和反应性指数。

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The specific surface area of the ground slag with gypsum should be increased by 20~ 30m2/ kg to achieve the same reactivity index as the ground slag without gypsum while keeping the energy consumption at the same level.

为达到相同活性指数，掺石膏混磨的矿渣粉比表面积应提高20～30m2/kg，其能耗与不掺石膏的矿渣粉大致相同。

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The thermo-gravimetry reactivity index of coke powder showed an obviously corresponding relationship and similar changing trend with the coke reactivity index of lump coke.

焦粉热重反应性指数与块焦焦炭反应性指数有很好的对应关系，二者变化趋势一致。

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The high temperature properties, coke reactivity index ( CRI) and coke strength after reaction ( CSR) are improved with longer carbonization time.

随着结焦时间的延长，焦炭的热态性能，即焦炭反应性（CRI）和反应后强度（CSR），均得到提高。

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Furthermore, the reactivity index of coke will increase with increase of captured zinc in coke.

随着锌吸附量的加大，焦炭的反应性增强。

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The coke sample with different zinc content, whose reactivity index was tested, was prepared by adsorption method.

通过气相吸附法制备吸附不同锌含量的焦炭试样，并对吸附锌的焦炭的反应性进行了检测。

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Reactivity Index of Coke and Pro-Reaction Intensity and Its Affecting Factor

焦炭的反应性指标和反应后强度及其影响因素

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Effect of Moisture on Reactivity Index Testing of Coke for Metallurgy

水分对冶金焦炭反应性测定的影响

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The results showed: ( 1) Under large perturbation such as accident conditions the void reactivity feedback caused by subcooled boiling is considerable, and, bigger difference exists between various subcooled boiling models.

结果表明：（1）在大扰动（如事故工况）下，过冷沸腾引起的空泡反应性反馈对系统稳定性影响显著，不同过冷沸腾模型之间存在较大差别；

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Program for Real-Time Simulation of Reactivity Feedback

核反馈实时模拟程序

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The code to simulate reactivity feedback during out-of-pile testing has been developed with C++ in the paper.

为了在堆外实验中实现核反馈实时模拟，用C++语言开发了核反馈模拟程序。

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When step reactivity disturbance is input to the system, the maximum overshoot of the system increases with the disturbance amplitude, and is independent of KN.

在阶跃反应性扰动情况下，系统的超调量随输入扰动幅度的增大而增大，与KN的大小无关；

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