844 工程科学学报，第42卷，第7期 Ca0的质量分数为2.2%时，可以得到铁品位91.28%， Study of titanomagnetite sands from Costa Rica.J Alloys Compd, 铁回收率90.40%，Ti02品位为1.03%的还原铁产 2004,369(1-2):265 品和Ti02品位为44.42%，Ti02回收率为77.12%的 [12]Wu S H.Reasonable utilization ways of V-Ti bearing beach 含钛产品 placer.Sinter Pelletiz,2011,36(2):35 (吴舜华.含钒钛海滨砂矿的合理利用途径.烧结球团，2011， 36(2):35) 参考文献 [13]Geng C.The Technology and Mechanism of Direct Reduction [1]Gao E X.Mechanism of Separating Iron and Titanium from Beach Magnetic Separation of Titanium and Iron by the Embedding Titanomagnetite by Using Direct Reduction-Magnetic Method for Seashores Titanomagnetite[Dissertation].Beijing: Separation[Dissertation].Beijing:University of Science and University of Science and Technology Beijing,2017 Technology Beijing,2016 (耿超.海滨钛磁铁矿包埋法直接还原一磁选钛铁分离工艺及 (高恩霞.海滨钛磁铁矿直接还原-磁选钛铁分离及机理研究学 机理[学位论文].北京：北京科技大学，2017) 位论文].北京：北京科技大学，2016) [14]Geng C,Sun T C,Yang H F,et al.Effect of Na SO on the [2] Zhang Y P,Zhang J L,Wang Z Y,et al.Sintering characteristics embedding direct reduction of beach titanomagnetite and the of titanium sands after grinding and its influence mechanism on separation of titanium and iron by magnetic separation./S///nt, the quality of sinter.ChinJ Eng,2016,38(4):468 2015,55(12):2543 (张亚鹏，张建良，王振阳，等.细磨海砂矿烧结特性及其对烧结 [15]Geng C,Sun T C,Ma Y W,et al.Effects of embedding direct 矿质量影响机理.工程科学学报，2016,38(4)：468) reduction followed by magnetic separation on recovering titanium [3] Zhao Y Q,Sun T C,Zhao H Y,et al.Effect of MgO and CaCO;as and iron of beach titanomagnetite concentrate.J /ron Steel Res /nt, additives on the reduction roasting and magnetic separation of 2017,24(2):156 beach titanomagnetite concentrate.IS//Int,2019,59(6):981 [16]Liu Y R,Zhang JL,Wang Z Y,et al.Experimental research on the [4] Wang Z.Pinson D.Chew S,et al.Interaction of New Zealand deep reduction-magnetic separation of ironsand.Chin/Eng,2016, ironsand and flux materials.ISI/Int,2016,56(8):2015 38(2):181 [5] Gao E X,Sun T C,Liu Z G,et al.Effect of sodium sulfate on (刘依然，张建良，王振阳，等.海砂矿深度还原-磁选分离实验 direct reduction of beach titanomagnetite for separation of iron and 研究.工程科学学报，2016,38(2)：181) titanium.J Iron Steel Res Int,2016,23(5):428 [17]Han JQ,Chen X,Zhang L,et al.Research on magnetic separation [6]Hu T Y,Sun T C.Kou J,et al.Recovering titanium and iron by co- and smelting separation for reduction product of vanadium reduction roasting of seaside titanomagnetite and blast furace titanium magnetite concentrate.ChinJ Rare Met,http://kns.cnki. dust.Int J Miner Process,2017,165:28 net/kcms/detail/11.2111.TF.20190910.1451.001.html [7]Wei M,Li Y T,Wu D Y,et al.Study on the beach placer's ben- (韩吉庆，陈晓，张力，等.钒钛磁铁精矿还原产物的磁选与熔分 eficiability of Sangihe lands in Indonesia.Conser Uril Miner 研究，稀有金属，htp:kns.cnki.net/kcms/detail/11.2111.TF Resour,2009(2):33 20190910.1451.001.html) (卫敏，李英堂，吴东印，等.印尼桑义赫岛海滨砂矿可选性试验 [18]Jung S M.Effects of CaO/CaCO:on the carbothermic reduction of 研究.矿产保护与利用，2009(2)：33) titanomagnetite ore.Metall Mater Trans B,2015,46(3):1162 [8]Xu M,Zhang Y,Fu W Z,et al.Experimental research on magnetic [19]Ding S,Xue Q G,She X F,et al.Effect of CaCO;on direct separation of Ilmenite Placer of Yun Nan.Consery Util Miner reduction-smelting separation of vanadium-bearing titanomag- Resour,2011(5):24 netite concentrate.Iron Steel,2014,49(8):15 (徐明，张渊，傅文章，等.云南钛铁矿砂矿磁选试验研究矿产 (丁闪，薛庆国，佘雪峰，等.碳酸钙对钒钛磁铁精矿直接还原- 综合利用，2011(5)：24) 熔分的影响.钢铁，2014,49(8)：15) [9]Hu T Y.Sun T C.Kou J,et al.Effect of blast furnace dust as a [20]Cao Y X,Wang HH,Ma J H,et al.Effect of additives on the reductant on direct reduction roasting for separating titanium and preparation of reduced iron powder from iron concentrate.ChinJ iron in seaside titanomagnetite.ChinJ Eng,2016,38(5):609 Process Eng,2018,18(1:133 (胡天洋，孙体昌，寇压，等.高炉灰为还原剂对海滨钛磁铁矿直 (曹羽鑫，王恒辉，马江华，等.添加剂对铁精矿制备还原铁粉的 接还原培烧磁选一钛铁分离的影响.工程科学学报，2016 影响.过程工程学报，2018.18(1)：133) 38(5):609) [21]Sun H Y,Dong X J,She X F,et al.Solid state reduction of [10]Wang Z Y.Sequential Extraction of Titanium and Iron Resources titanomagnetite concentrate by graphite.ISI/Int,2013,53(4):564 from Ironsand[Dissertation].Beijing:University of Science and [22]Su Z J,Zhang Y B,Liu BB,et al.Effect of CaCO;on the gaseous Technology Beijing,2018 reduction of tin oxide under CO-CO,atmosphere.Miner Process (王振阳.海砂矿钛铁资源分级利用研究学位论文].北京：北京 Extract Metall Rev,2016,37(3):179 科技大学，2018) [23]Fan D C.Research on Pre-concentration and Deep Reduction of [11]Cruz-Sanchez E,Alvarez-Castro J F,Ramirez-Picado J A,et al Oidashan Iron Ore Tailings and the Comprehensive Utilization ofCaO 的质量分数为 2.2% 时，可以得到铁品位 91.28%， 铁回收率 90.40%，TiO2 品位为 1.03% 的还原铁产 品和 TiO2 品位为 44.42%，TiO2 回收率为 77.12% 的 含钛产品. 参    考    文    献 Gao E X. Mechanism of Separating Iron and Titanium from Beach Titanomagnetite by Using Direct Reduction-Magnetic Separation[Dissertation]. Beijing: University of Science and Technology Beijing, 2016 （高恩霞. 海滨钛磁铁矿直接还原-磁选钛铁分离及机理研究[学 位论文]. 北京: 北京科技大学, 2016） [1] Zhang Y P, Zhang J L, Wang Z Y, et al. Sintering characteristics of titanium sands after grinding and its influence mechanism on the quality of sinter. Chin J Eng, 2016, 38（4）: 468 （张亚鹏, 张建良, 王振阳, 等. 细磨海砂矿烧结特性及其对烧结 矿质量影响机理. 工程科学学报, 2016, 38（4）：468） [2] Zhao Y Q, Sun T C, Zhao H Y, et al. Effect of MgO and CaCO3 as additives on the reduction roasting and magnetic separation of beach titanomagnetite concentrate. ISIJ Int, 2019, 59（6）: 981 [3] Wang Z, Pinson D, Chew S, et al. Interaction of New Zealand ironsand and flux materials. ISIJ Int, 2016, 56（8）: 2015 [4] Gao E X, Sun T C, Liu Z G, et al. Effect of sodium sulfate on direct reduction of beach titanomagnetite for separation of iron and titanium. J Iron Steel Res Int, 2016, 23（5）: 428 [5] Hu T Y, Sun T C, Kou J, et al. Recovering titanium and iron by co￾reduction roasting of seaside titanomagnetite and blast furnace dust. Int J Miner Process, 2017, 165: 28 [6] Wei M, Li Y T, Wu D Y, et al. Study on the beach placer’s ben￾eficiability of Sangihe lands in Indonesia. Conserv Util Miner Resour, 2009（2）: 33 （卫敏, 李英堂, 吴东印, 等. 印尼桑义赫岛海滨砂矿可选性试验 研究. 矿产保护与利用, 2009（2）：33） [7] Xu M, Zhang Y, Fu W Z, et al. Experimental research on magnetic separation of Ilmenite Placer of Yun Nan. Conserv Util Miner Resour, 2011（5）: 24 （徐明, 张渊, 傅文章, 等. 云南钛铁矿砂矿磁选试验研究. 矿产 综合利用, 2011（5）：24） [8] Hu T Y, Sun T C, Kou J, et al. Effect of blast furnace dust as a reductant on direct reduction roasting for separating titanium and iron in seaside titanomagnetite. Chin J Eng, 2016, 38（5）: 609 （胡天洋, 孙体昌, 寇珏, 等. 高炉灰为还原剂对海滨钛磁铁矿直 接还原焙烧磁选—钛铁分离的影响. 工程科学学报, 2016, 38（5）：609） [9] Wang Z Y. Sequential Extraction of Titanium and Iron Resources from Ironsand[Dissertation]. Beijing: University of Science and Technology Beijing, 2018 （王振阳. 海砂矿钛铁资源分级利用研究[学位论文]. 北京: 北京 科技大学, 2018） [10] [11] Cruz-Sanchez E, Alvarez-Castro J F, Ramírez-Picado J A, et al. Study of titanomagnetite sands from Costa Rica. J Alloys Compd, 2004, 369（1-2）: 265 Wu S H. Reasonable utilization ways of V-Ti bearing beach placer. Sinter Pelletiz, 2011, 36（2）: 35 （吴舜华. 含钒钛海滨砂矿的合理利用途径. 烧结球团, 2011, 36（2）：35） [12] Geng C. The Technology and Mechanism of Direct Reduction Magnetic Separation of Titanium and Iron by the Embedding Method for Seashores Titanomagnetite[Dissertation]. Beijing: University of Science and Technology Beijing, 2017 （耿超. 海滨钛磁铁矿包埋法直接还原—磁选钛铁分离工艺及 机理[学位论文]. 北京: 北京科技大学, 2017） [13] Geng C, Sun T C, Yang H F, et al. Effect of Na2SO4 on the embedding direct reduction of beach titanomagnetite and the separation of titanium and iron by magnetic separation. ISIJ Int, 2015, 55（12）: 2543 [14] Geng C, Sun T C, Ma Y W, et al. Effects of embedding direct reduction followed by magnetic separation on recovering titanium and iron of beach titanomagnetite concentrate. J Iron Steel Res Int, 2017, 24（2）: 156 [15] Liu Y R, Zhang J L, Wang Z Y, et al. Experimental research on the deep reduction–magnetic separation of ironsand. Chin J Eng, 2016, 38（2）: 181 （刘依然, 张建良, 王振阳, 等. 海砂矿深度还原–磁选分离实验 研究. 工程科学学报, 2016, 38（2）：181） [16] Han J Q, Chen X, Zhang L, et al. Research on magnetic separation and smelting separation for reduction product of vanadium￾titanium magnetite concentrate. Chin J Rare Met, http://kns.cnki. net/kcms/detail/11.2111.TF.20190910.1451.001.html （韩吉庆, 陈晓, 张力, 等. 钒钛磁铁精矿还原产物的磁选与熔分 研 究 . 稀 有 金 属 , http://kns.cnki.net/kcms/detail/11.2111.TF. 20190910.1451.001.html） [17] Jung S M. Effects of CaO/CaCO3 on the carbothermic reduction of titanomagnetite ore. Metall Mater Trans B, 2015, 46（3）: 1162 [18] Ding S, Xue Q G, She X F, et al. Effect of CaCO3 on direct reduction –smelting separation of vanadium-bearing titanomag￾netite concentrate. Iron Steel, 2014, 49（8）: 15 （丁闪, 薛庆国, 佘雪峰, 等. 碳酸钙对钒钛磁铁精矿直接还原– 熔分的影响. 钢铁, 2014, 49（8）：15） [19] Cao Y X, Wang H H, Ma J H, et al. Effect of additives on the preparation of reduced iron powder from iron concentrate. Chin J Process Eng, 2018, 18（1）: 133 （曹羽鑫, 王恒辉, 马江华, 等. 添加剂对铁精矿制备还原铁粉的 影响. 过程工程学报, 2018, 18（1）：133） [20] Sun H Y, Dong X J, She X F, et al. Solid state reduction of titanomagnetite concentrate by graphite. ISIJ Int, 2013, 53（4）: 564 [21] Su Z J, Zhang Y B, Liu B B, et al. Effect of CaCO3 on the gaseous reduction of tin oxide under CO-CO2 atmosphere. Miner Process Extract Metall Rev, 2016, 37（3）: 179 [22] Fan D C. Research on Pre-concentration and Deep Reduction of Qidashan Iron Ore Tailings and the Comprehensive Utilization of [23] · 844 · 工程科学学报，第 42 卷，第 7 期