关于大型褐煤分级提质多联产循环经济解决方案的探讨

以高碳能源为基础，低碳化循环利用为目的，集成创新技术为手段，提出了褐煤清洁高效利用的大型褐煤分级提质多联产循环经济解决方案。确立了褐煤分级提质、分类利用的关键技术和工艺流程；分析了分级提质对提高低品位褐煤综合利用的优势和作用；论述了低阶褐煤预脱水提质技术和焦热载体低温快速热解技术的核心技术及工程依托；指出正确把握选择各种比较技术的集成原则，是发展大型褐煤分级提质多联产循环经济工程的关键。

Concerning Discussion on Solution Scheme forCirculation Economy with Multi-combination Production in Large-sized Lignite Classing and Upgrading

Taking high carbon energy energy as basis,low carbon circulation utilization as object,integration innovation technology as measure;author has presented the circulation economy solution scheme for multi-combinative production of large-sized lignite classifying and upgrading in clean and high effective utilization of lignite;has determined the key technology and process flow for lignite classifying and upgrading,category and utilization;has analyzed the advantage and function for classifying and upgrading on comprehensive utilization of elevating low grade lignite;has discussed the key technology and engineering support for preliminary dewater upgrade technology of low valence lignite and low temperature rapid thermolysis technology with heat carrier of coke;has indicated that correctly grasping and selecting integration principle of various comparison technologies was the key for developing the multi-combinative production with circulation economy project of large-sized lignite classifying and upgrading.