生物质气化风机套管采暖系统非稳态模拟
发布时间：2019-07-08 16:38
【摘要】：针对装设防火墙导致我国北方生物质气化站存在湿式净化装置冬季防冻的问题,提出了一种基于风机套管的余热回收系统.采用商用CFD软件Fluent以及k-ε模型对采暖效果进行非稳态数值模拟,结果表明,当进气口空气流速分别为9 m/s(供暖90 min后),13 m/s(供暖40 min后)满足防冻要求,证明了技术的可行性;同时模拟了进气口空气流速分别为5,9,13 m/s在不同时刻的采暖效果,得出增大风机风量可提高采暖效果、缩短达到防冻要求所需时间以及使得净化间内温度分布更加均匀,但风机风量不可无限增加,需要考虑规范对风速的限制以及能耗的增加.
文内图片：
图片说明：风机套管采暖系统与气化站Fig.1Fan＆double-tubeheatingsystemandbiomass
[Abstract]:In order to solve the problem of winter antifreeze of wet purification device in biomass gasification station in northern China due to the installation of firewall, a waste heat recovery system based on fan casing is proposed. The non-steady state numerical simulation of heating effect is carried out by using commercial CFD software Fluent and k-蔚 model. The results show that when the air velocity at the inlet is 9 m 鈮，
本文编号：2511727
文内图片：
图片说明：风机套管采暖系统与气化站Fig.1Fan＆double-tubeheatingsystemandbiomass
[Abstract]:In order to solve the problem of winter antifreeze of wet purification device in biomass gasification station in northern China due to the installation of firewall, a waste heat recovery system based on fan casing is proposed. The non-steady state numerical simulation of heating effect is carried out by using commercial CFD software Fluent and k-蔚 model. The results show that when the air velocity at the inlet is 9 m 鈮，
本文编号：2511727
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