煤灰是各种矿物质组成的混合物，没有一个固定的熔点，只有一个融化的范围，煤灰熔融性又称灰熔点。 灰熔点是固体燃料中的灰分，达到一定温度以后，发生变形，软化和熔融时的温度，它与原料中灰分组成有关，灰分中三氧化二铝、二氧化硅含量高，灰熔点高；三氧化二铁、氧化钙、氧化镁、氧化钠和氧化钾含量越高，灰熔点越低。
文章摘要信息 关键词 ： 支持向量机 动力配煤 灰熔点 [gap=674]Keywords : support vector machine； coal blending； ash fusion temperature
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煤中所含钙基组分对固硫有利，石灰石对低灰熔点煤高温固硫不利。
The Ca-based matter in coal was beneficial to sulfur fixation, and low coal ash fusibility was disadvantage to fixation sulfur.
以粘结剂、强度、灰熔点等作为技术难点，通过多年的研究开发出新型型煤生产工艺。
With the binder, strength and ash fusion point as technically difficult points, a technological process for a new type of formed coal has been developed through study for several years.
概述了德士古水煤浆加压气化的局限性，介绍了淮化在高灰熔点淮南煤气化方面的研究成果。
The article describes the limitation of Texaco pressurized gasification of coal slurry, and also the research result for gasification of Huainan coal with high ash fusion temperature .
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