本文選題：稀土礦　切入點(diǎn)：有機(jī)泡沫　出處：《中國(guó)陶瓷》2017年09期 　論文類型：期刊論文

【摘要】：為了更好的探究包鋼稀土礦的煙氣脫硝機(jī)理,利用有機(jī)泡沫浸漬法將包鋼稀土礦粉末制成多孔陶瓷材料,從而經(jīng)過實(shí)驗(yàn)探究,得到一套面向包鋼稀土礦制備多孔陶瓷的配方。實(shí)驗(yàn)表明:聚氨酯海綿作有機(jī)泡沫體,采用質(zhì)量分?jǐn)?shù)為20%的NaOH溶液處理,并經(jīng)質(zhì)量分?jǐn)?shù)1%的羧甲基纖維素(CMC)處理后,聚氨酯海綿表面粗糙度增加,親水性能得到了改善,掛漿量也明顯增加~[1]。得到相應(yīng)配方:漿料的固相含量(wt%)為65%,CMC加入量為1%,十二烷基苯磺酸鈉加入量為1%,無水乙醇加入量為3%,20%的硅酸鈉溶液加入量為30%,PH值控制在10~12左右,可獲得高固相含量、均勻穩(wěn)定、流變性良好、適于浸漿的稀土礦漿料。采用玻璃棒滾壓法成型的生坯掛漿均勻,無堵孔現(xiàn)象,成型后的生坯需在60℃下干燥12 h才能進(jìn)行燒結(jié),實(shí)驗(yàn)的最佳燒結(jié)溫度為1050℃。制得的包鋼稀土礦多孔陶瓷結(jié)構(gòu)體脫硝性能良好,孔隙率較高。
[Abstract]:In order to better study the mechanism of flue gas denitrification of rare earth ore in Baotou Iron and Steel Co., the porous ceramic material was made from rare earth ore powder of Baotou Iron and Steel Co. A formula for preparing porous ceramics for rare earth ore of Baotou Iron and Steel Co., Ltd was obtained. The experimental results showed that polyurethane sponge was used as organic foam, treated with NaOH solution with mass fraction of 20%, and treated with carboxymethyl cellulose (1%) by mass fraction. The surface roughness of polyurethane sponge is increased and the hydrophilicity is improved. The corresponding formula was obtained: the solid content of the slurry was 65, the amount of sodium alkylbenzenesulfonate was 1, the amount of sodium 12 alkylbenzenesulfonate was 1, the amount of sodium silicate solution with 20% anhydrous alcohol was about 1012, High solid content, uniform stability, good rheology and good rheological properties of rare earth ore slurry can be obtained. The raw billet formed by glass rod rolling method has homogeneous slurry hanging and no plugging phenomenon, and the sintered blank can only be sintered after drying at 60 鈩，

本文編號(hào)：1584509