| 康 宇,罗 超,王 凯.水泥工业七级预热器开发设计及工程应用[J].水泥工程,2026,39(2):44-48 |
| 水泥工业七级预热器开发设计及工程应用 |
| Development design and engineering application of seven-stage preheater in cement industry |
| |
| DOI： |
| 中文关键词: 水泥工业 七级预热器 节能降耗 热耗 |
| 英文关键词: cement industry seven-stage preheater energy-saving and consumption-reducing heat consumption |
| 基金项目: |
|
| 摘要点击次数: 309 |
| 全文下载次数: 0 |
| 中文摘要: |
| 本文阐述了新型干法水泥熟料烧成系统节能降耗技术的发展现状，探讨了在六级基础上采用七级预热器系统的节能优势、开发设计方法和工程应用效果。理论计算和应用实践均表明，通过增加换热级数与优化旋风筒设计等措施，采用七级预热器的出口废气温度可降低至220~235 ℃，与六级系统相比，可实现单位熟料热耗降低约20×4.18 kJ/kg、标煤综合能耗降低约2.4 kg/t的节能效果。在出预热器废气能满足原（燃）料烘干需求的前提下，窑尾采用七级预热器具有更优的综合能耗表现，为水泥工业进一步节能降碳提供了可行的技术路径。 |
| 英文摘要: |
| This paper expounds the current development status of energy-saving and consumption-reducing technology for new-type dry cement clinker burning system，and explores the energy-saving advantages，development and design methods，and engineering application effects of adopting seven-stage preheater system on the basis of six-stage preheater system. Theoretical calculation and applied practice show that the temperature of the exhaust gas at the outlet of the seven-level preheater can be reduced to 220~235 ℃ by increasing the number of heat exchange stages and optimizing the design of the cyclone, which can achieve the energy-saving effect of about 20×4.18 kJ/kg reduction in heat consumption and about 2.4 kg/t reduction in comprehensive energy consumption compared with the six-level system. On the premise that the heat of exhaust gas from the preheater can meet the drying requirements of raw (fuel) materials, the seven-stage preheater at the kiln tail has a better comprehensive energy consumption performance, which provides a feasible technical path for the cement industry to further save energy and reduce carbon. |
|
查看全文
查看/发表评论 下载PDF阅读器 |
| 关闭 |