磨煤机前圆形风道新型均流装置的设计

doi:10.6040/j.issn.1672-3961.0.2023.114

山东大学学报 (工学版) ›› 2023, Vol. 53 ›› Issue (6): 152-156.doi: 10.6040/j.issn.1672-3961.0.2023.114

• 机械与能动工程 • 上一篇

磨煤机前圆形风道新型均流装置的设计

孙立刚¹,程鹏¹,李官鹏¹,祁金胜¹,辛公明²,季万祥^3*

1.山东电力工程咨询院有限公司, 山东济南 250013;2.山东大学能源与动力工程学院, 山东济南 250061;3.山东大学热科学与工程研究中心, 山东济南 250061

发布日期:2023-12-19
作者简介:孙立刚(1980— ),男,山东临朐人,高级工程师,主要研究方向为高效清洁发电相关技术. E-mail:sunligang@sdepci.com. 通信作者简介:季万祥(1965— ),男,山东济南人,实验师,主要研究方向为电力系统设备和节能. E-mail:jwx@sdu.edu.cn.
基金资助:
山东省重点研发计划资助项目(2019JZZY010454)

Design of the homogenization flow in the circular air duct in front of the coal mill

SUN Ligang¹, CHENG Peng¹, LI Guanpeng¹, QI Jinsheng, XIN Gongming², JI Wanxiang^3*

1. Shandong Electric Power Engineering Consulting Institute Co., Ltd., Jinan 250013, Shandong, China;
2. School of Energy and Power Engineering, Shandong University, Jinan 250061, Shandong, China;
3. Institute of Thermal Science and Technology, Shandong University, Jinan 250061, Shandong, China

Published:2023-12-19

摘要/Abstract

摘要： 针对电厂大型风道中冷热风混合后的速度不均、流速流量测量难度较大的问题,采用计算流体力学的方法,分析电厂磨煤机前冷热风混合风道的流动特性,提出一种对开扇叶的均流装置设计。结果表明,传统孔板式均流装置具有较好的均流能力,但是会导致风道压降过大,对开扇叶结构简单,每对相向的扇叶形成的渐缩口具有一定阻力,使速度较高的气流向速度较低的区域流动,具有较好的均流效果。经过对比分析,对开扇叶的夹角为30°时,兼有流速均匀和压降小的优点。

关键词: 磨煤机, 圆形风道, 均流, 对开扇叶, 夹角

中图分类号:

TB126

孙立刚,程鹏,李官鹏,祁金胜,辛公明,季万祥. 磨煤机前圆形风道新型均流装置的设计[J]. 山东大学学报 (工学版), 2023, 53(6): 152-156.

SUN Ligang, CHENG Peng, LI Guanpeng, QI Jinsheng, XIN Gongming, JI Wanxiang. Design of the homogenization flow in the circular air duct in front of the coal mill[J]. Journal of Shandong University(Engineering Science), 2023, 53(6): 152-156.

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磨煤机前圆形风道新型均流装置的设计

Design of the homogenization flow in the circular air duct in front of the coal mill

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