化工进展
化工進展
화공진전
CHEMICAL INDUSTRY AND ENGINEERING PROGRESS
2014年
3期
617-622
,共6页
杨濮亦%王冲%王仕博%朱道飞%王华%刘泛函%熊靓%黄梅
楊濮亦%王遲%王仕博%硃道飛%王華%劉汎函%熊靚%黃梅
양복역%왕충%왕사박%주도비%왕화%류범함%웅정%황매
贫化电炉%多相流%传质%气泡%黏度%搅拌容器
貧化電爐%多相流%傳質%氣泡%黏度%攪拌容器
빈화전로%다상류%전질%기포%점도%교반용기
slag cleaning furnace%multiphase flow%mass transfer%bubble%viscosity%stirred vessel
针对云铜艾萨熔炼体系中贫化电炉柴油喷枪混合氮气顶吹熔池搅拌的优化,开展了两相分层液体浸入式气体顶吹的实验研究。实验结果显示:当顶吹喷枪插入熔渣层深度为熔渣层厚度2/3时即插入冰铜层深度大于冰铜层厚度的1/2时,气泡在二者中的运动符合传统的气泡在单一黏性液体中运动的规律;当气泡生成于渣层和冰铜层的分界面及冰铜层中时,在黏滞力的作用下气泡上升运动会将冰铜带入到渣层中;当喷枪口位于冰铜层后,气泡穿越两层流体的分界面后会形变成气泡刚刚产生时的球形,且冰铜被气泡带入到熔渣中的量同气泡在分界面之前的形变量成正比。
針對雲銅艾薩鎔煉體繫中貧化電爐柴油噴鎗混閤氮氣頂吹鎔池攪拌的優化,開展瞭兩相分層液體浸入式氣體頂吹的實驗研究。實驗結果顯示:噹頂吹噴鎗插入鎔渣層深度為鎔渣層厚度2/3時即插入冰銅層深度大于冰銅層厚度的1/2時,氣泡在二者中的運動符閤傳統的氣泡在單一黏性液體中運動的規律;噹氣泡生成于渣層和冰銅層的分界麵及冰銅層中時,在黏滯力的作用下氣泡上升運動會將冰銅帶入到渣層中;噹噴鎗口位于冰銅層後,氣泡穿越兩層流體的分界麵後會形變成氣泡剛剛產生時的毬形,且冰銅被氣泡帶入到鎔渣中的量同氣泡在分界麵之前的形變量成正比。
침대운동애살용련체계중빈화전로시유분창혼합담기정취용지교반적우화,개전료량상분층액체침입식기체정취적실험연구。실험결과현시:당정취분창삽입용사층심도위용사층후도2/3시즉삽입빙동층심도대우빙동층후도적1/2시,기포재이자중적운동부합전통적기포재단일점성액체중운동적규률;당기포생성우사층화빙동층적분계면급빙동층중시,재점체력적작용하기포상승운동회장빙동대입도사층중;당분창구위우빙동층후,기포천월량층류체적분계면후회형변성기포강강산생시적구형,차빙동피기포대입도용사중적량동기포재분계면지전적형변량성정비。
The experimental study of stratified two-phase liquid was conducted for optimizing the stirring effect of diesel spray mixed with nitrogen into top blowing molten bath in slag cleaning furnace for ISA smelting system. The results showed that when the depth of the blowing nozzle in the slag layer was of slag layer 2/3 thickness and was greater than 1/2 of the matte layer thickness,the motion of bubbles was in accordance with the bubble movement law in a single viscous liquid. When the bubbles formed in the interface of slag and matte layer or in the matte layer,rising bubble will brought the matte into the slag layer by viscous force. If the nozzle was located in the matte layer,bubbles going through the interface were in spherical shape,and the amount of matte brought into the slag by bubbles was proportionate to the degree of bubble deformation.