可燃成分是指煤中的挥发分和固定碳，它们是产生热量的来源，而其中不可燃成分为灰分和水分等。
The combustible composition implies the volatile and fixed carbon, which is the source of generating heat. The incombustible part contains water and dust, etc.
煤基直接还原过程中，煤种对产品指标影响很大，特别是煤的反应性、灰分和挥发分含量对直接还原的影响较大。
In the process of coal based DR, the results of the product is greatly affected by the kind of coal, especially its reactivity, content of ash and content of volatile.
介绍了煤中水分、挥发分连续测定的方法，并与国家标准方法测定结果进行比较。
This article introduces a way to determinate the inherent moisture and volatile matter in coal continuously. It is simple and saves time, and possesses good repeatability and accuracy.
实验表明：神华煤液化残渣的燃烧是分两步进行的，在低温段主要是神华煤液化残渣中挥发性的气体急剧析出，引起燃烧失重；
Test result showed that combustion of Shenhua coal liquefaction residuals proceeds in two stages a low and a high temperature stage.
煤热解过程中挥发分和气相逸出总硫之间的关系与形态硫的转化和迁移规律有关。
The relationship between volatile matter and total sulfur in gas phase of coal pyrolysis process was related to the rule of form sulfur transformation.
在干馏段内，煤中的挥发分转变为小分子烃类而析出，集中回收或提高煤气热值。
In the dry distillation period inside, the volatile coal into small molecule hydrocarbons and exhalation, centralized recovery or improve gas calorific value.
在单段煤气炉中，煤入炉后骤然遇高温而迅速热分解，煤中的挥发分急速析出，会使煤块爆裂粉碎；
In a single paragraph, coal gas after charging high temperature and rapid thermal decomposition in abruptly, coal in the volatile rapid exhalation, can make cinderblocks blowout shattered;
在单段煤气炉中，煤入炉后骤然遇高温而迅速热分解，煤中的挥发分急速析出，会使煤块爆裂粉碎；
In a single paragraph, coal gas after charging high temperature and rapid thermal decomposition in abruptly, coal in the volatile rapid exhalation, can make cinderblocks blowout shattered;
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