木材科学与技术2024，Vol.38Issue(4)：66-71,6.DOI:10.12326/j.2096-9694.2024057
纤维板热压尾气净化用湍球塔内流场均匀性研究
Study on Uniformity of the Airflow Field in a Turbulent Ball Tower for Purification of Hot Press Exhaust Gas from Fiberboard Manufacturing
摘要
Abstract
To improve the purification efficiency of the turbulent ball tower for removing formaldehyde from fiberboard hot pressing exhaust gas,the authors evaluated the effect of the perforation ratio of the support plate on the uniformity of the gas flow field inside the tower.The results showed that the support plate's perforation ratio had a significant impact on the velocity distribution and pressure consumption of the gas flow field inside the tower.When the perforation ratio of the support plate was 53.3%,the uniformity of the airflow field reached its optimum(CV value of 0.295),and the pressure consumption was relatively small at 32 Pa,which could effectively drive the packing balls into a fluidized state uniformly.The verification experiment showed that the average concentration of formaldehyde at the outlet of the turbulence tower decreased compared to before the improvement,and the purification efficiency of the device was significantly improved.The result provides research ideas and experimental data for the optimization design of other structures in the turbulence tower of the exhaust purification system for fiberboard production.关键词
纤维板/湍球塔/支承板开孔率/气体流场均匀性/数值模拟Key words
fiberboard/turbulent ball tower/perforation ratio of the support plate/airflow uniformity/numerical simulation分类
轻工纺织引用本文复制引用
张鑫,宋纪元,丁涛,王雷,李伟,周兆兵..纤维板热压尾气净化用湍球塔内流场均匀性研究[J].木材科学与技术,2024,38(4):66-71,6.基金项目
江苏省林业科技创新与推广项目"生物质人造板生产排气净化技术示范推广"(LYKJ[2023]12). （LYKJ[2023]12）
