【摘要】：在內(nèi)徑為600 mm的不銹鋼塔內(nèi),以空氣-水-氧氣為物系,對固旋閥塔板的流體力學(xué)和傳質(zhì)性能進(jìn)行研究。測定了塔板傳質(zhì)效率和霧沫夾帶量,并與F1浮閥塔板進(jìn)行對比;通過計(jì)算流體力學(xué)軟件Fluent對固旋閥塔板上氣相三維流場進(jìn)行了數(shù)值模擬。實(shí)驗(yàn)結(jié)果表明:當(dāng)液相噴淋密度L=5 m~3/(m~2·h)時(shí),隨著氣體負(fù)荷的逐漸增大,固旋閥塔板的傳質(zhì)效率從小于F1浮閥到逐漸接近F1浮閥,且在實(shí)驗(yàn)最大氣體負(fù)荷條件下超過了F1浮閥;當(dāng)液相噴淋密度較大時(shí),固旋閥塔板的傳質(zhì)效率高于F1浮閥塔板,且隨著氣體負(fù)荷的增大,差異越來越明顯;固旋閥塔板的霧沫夾帶比F1浮閥塔板低50%—60%,因此具有更高的氣相負(fù)荷操作上限。Fluent軟件模擬結(jié)果表明,固旋閥塔板中旋轉(zhuǎn)流場的存在促使液層分布更均勻,氣液傳質(zhì)得到進(jìn)一步強(qiáng)化。
[Abstract]:In a stainless steel tower with an inner diameter of 600 mm, the hydrodynamics and mass transfer performance of the solid rotating valve tray were studied by using air-water-oxygen as the system. The mass transfer efficiency and foam entrainment of the tray were measured and compared with those of the F1 floating valve tray, and the three-dimensional flow field of the gas phase on the solid rotating valve tray was simulated by the computational fluid dynamics software Fluent. The experimental results show that when the liquid spray density is L 鈮，

本文編號：2514250