Scholarlink

Abstract <p>The onset of chemical interaction between combustible gas components when the initial gas–air mixture is introduced into a dense bed of lump materials being blown through is preceded by a period of ignition with an increased temperature gradient between the lump materials and the gas molecules of the mixture, and an increase in the bed heating temperature to 800–1050°C. The increased adsorption activity of oxygen molecules on the solid surface of the bed reduces their concentration in the inter-lump space at the initial stage of the gas–air mixture movement, increasing the required air flow rate to 2.5–3.0. When supplying the initial gas streams directly into the fired bed of lump materials of varying particle sizes, two options are possible: supplying a prepared gas–air mixture, pre-mixed in special mixers, or supplying them in separate streams. Heat generation techniques create conditions for flexible control of the firing, sintering, and remelting technology of lump materials.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Thermal Engineering Potential of Gaseous Fuel Combustion in a Dense Bed of Lump Materials

  • 期刊论文

  • 发表日期：

    2025年10月1日

查看全文
  • V. I. Matyukhin,
  • A. V. Matyukhina,
  • S. E. Punenkov

摘要

Abstract

The onset of chemical interaction between combustible gas components when the initial gas–air mixture is introduced into a dense bed of lump materials being blown through is preceded by a period of ignition with an increased temperature gradient between the lump materials and the gas molecules of the mixture, and an increase in the bed heating temperature to 800–1050°C. The increased adsorption activity of oxygen molecules on the solid surface of the bed reduces their concentration in the inter-lump space at the initial stage of the gas–air mixture movement, increasing the required air flow rate to 2.5–3.0. When supplying the initial gas streams directly into the fired bed of lump materials of varying particle sizes, two options are possible: supplying a prepared gas–air mixture, pre-mixed in special mixers, or supplying them in separate streams. Heat generation techniques create conditions for flexible control of the firing, sintering, and remelting technology of lump materials.