Technological assessment of processes of water-coal fuel combustion of brown coal of Kara-Keche deposit of Kyrgyz Republic

Vestnik IGEU Pub Date : 2022-10-31 DOI:10.17588/2072-2672.2022.5.012-017

V. Murko, V. Bukhmirov, E. Bushuev, A. K. Dzhundubaev, M. Sultanaliev, E. N. Temlyantseva

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Abstract

Brown coals are valuable natural resource. Brown coals of the Kara-Keche deposit are most of all ready for industrial development in the Kyrgyz Republic. To solve the problems of effective development of brown coal of this deposit, it is necessary to study the issues of direct combustion of water-coal fuel (WCF) without thermal stabilization of the flame with additional sources of heat release. Experimental studies of WCF combustion have been conducted at the experimental industrial technological stand of Siberian State Industrial University, Novokuznetsk city. Structural-rheological and thermal characteristics of a pilot batch of brown coal of the Kara-Keche deposit, as well as data on the organization of efficient combustion of WCF, have been obtained. Brown coal of the Kara-Keche deposit meets the requirements of pipeline transportation and direct combustion in the furnaces of boilers of thermal power plants and boiler houses. The resulted water-coal fuel of brown coal is effectively burned in a vortex adiabatic furnace and the combustion process is like the combustion of WCF of hard coals of “G” type.

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吉尔吉斯斯坦卡拉-克切褐煤水煤燃料燃烧工艺技术评价

褐煤是宝贵的自然资源。卡拉-克切(Kara-Keche)矿床的褐煤基本上已准备好用于吉尔吉斯共和国的工业发展。为了解决该矿床褐煤的有效开发问题，有必要研究无火焰热稳定和附加放热源的水煤燃料直接燃烧问题。在新库兹涅茨克市西伯利亚国立工业大学的实验工业技术站进行了WCF燃烧实验研究。获得了中试一批卡拉-克切褐煤的结构流变学和热特性，以及WCF高效燃烧的组织数据。卡拉-克切矿褐煤满足管道输送和火电厂、锅炉房锅炉炉膛直接燃烧的要求。得到的褐煤水煤燃料在旋涡绝热炉中得到有效燃烧，燃烧过程类似于“G”型硬煤的WCF燃烧。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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