波兰家庭和公共部门过渡时期合格复合燃料燃烧的比较分析

IF 1.4 Q4 ENGINEERING, INDUSTRIAL
M. Bembenek, Tomasz Dzik, Jarosław Smyła, A. Kozłowski, P. Wojtas
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引用次数: 0

摘要

摘要本文介绍了“生态豌豆”(eko-groszek)煤生产过程中产生的废煤(颗粒级< 5mm)制备的微型煤的室内燃烧试验结果。将粉碎后的煤制粒至2mm,在辊压机中制成1.5和2.5 cm3的型煤,与粘合剂和/或催化添加剂和吸附剂混合,然后干燥至最终水分约为7%。试验是在一个专门设计的支架上进行的,该支架可以确定样品被加热到点火温度,然后在自然烟囱气流的层流下燃烧的失重差曲线。与“ZG Sobieski”煤矿的ecopea煤进行了对比试验。结果表明,与块煤相比,微型煤形式的复合燃料燃烧速度快,燃烧温度高,燃烧时留下的灰分少。对于块煤,型煤的较大反应性允许将空气率最小化约10%,这也减少了相同数量的废气量和堆损。它降低了粉尘提升的速度,从而减少了粉尘的排放。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparative Analysis of Combustion of Qualified Composite Fuel for the Transitional Period in the Household and Communal Sector in Poland
Abstract The article presents the results of laboratory combustion tests of the microbriquette obtained from useless coal (grain class of < 5 mm) generated in the production of “eco-pea” (eko-groszek) coal. The briquettes of 1.5 and 2.5 cm3 were made in a roller press of crushed coal granulation down to 2 mm, mixed with a binder and/or catalytic additives and sorbents, then dried to final moisture of about 7%. The tests were carried out on a specially designed stand enabling to determine the differential curve of the weight loss of samples heated to the ignition temperature and then burnt with laminar airflow by natural chimney draft. Comparative tests were carried out with ecopea coal from the “ZG Sobieski” mine. The results indicate that composite fuels, in the form of microbriquette, ignite faster, burn at a higher temperature and leave less ash when burned than lump coal. The greater reactivity of the briquette concerning the lump coal allows for minimizing the air rate by about 10%, which also reduces the exhaust gas volume by the same amount and the stack losses. It reduces the velocity of dust lifting, which leads to the reduction of their emission.
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来源期刊
CiteScore
4.30
自引率
13.30%
发文量
48
审稿时长
10 weeks
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