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首页> 外文期刊>Coke and chemistry >A Laboratory Coke Oven with Two-Sided Heating of the Coal Charge
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A Laboratory Coke Oven with Two-Sided Heating of the Coal Charge

机译：煤料两面加热的实验室焦炉

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摘要

In a study of the process of carbonization (coking) of coal blends under laboratory conditions it is important to provide the possibility of producing representative samples of coke for a subsequent estimation of its quality characteristics. This condition is met to a certain extent by the method used in laboratory practice for producing coke upon heating of a coal charge from the vertical wall made of four hollow fireclay brick.* The wall is electrically heated by means of nonmetallic rod-type heaters inserted coaxially into the hollows of refractories. On both sides of the heating division wall are coking chambers, into which is charged a coal blend enclosed in paper packets. The free space in the chambers is then filled with a coal blend which is not to be studied. The coking process occurs under conditions of one-sided heating of coal charges 60 mm wide up to 950-1000 deg C. The mode of heating employed is characterized by an extremely nonuniform distribution of temperature in the bulk of the coal charge and, as a consequence, by the production of a coke of nonuniform properties.
机译：在实验室条件下对煤混合物碳化（焦化）过程的研究中，重要的是要提供生产代表性焦炭样品的可能性，以便随后评估其质量特征。该条件在一定程度上可以通过实验室实践中使用的方法来满足，该方法是在由四块空心耐火砖制成的垂直壁上加热煤料时产生焦炭。*壁壁通过插入的非金属杆式加热器进行电加热同轴地进入耐火材料的凹陷。在加热分隔壁的两侧是焦化室，将装在纸包中的煤混合物装入焦化室。腔室中的自由空间然后被掺入煤混合物，这将不被研究。焦化过程发生在单边加热宽达60 mm的煤料直至950-1000摄氏度的条件下。采用的加热方式的特点是，在整个煤料中温度分布极为不均匀，并且结果，由于产生不均匀特性的焦炭。

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