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class="enterprise-info-category-descr"> <img src="/resource/website/article/Content/img/enterprise-info-category-descr.jpg" /> <a href="/index.html">首页</a> >> <a href="/website/article/11/index.html">文献频道</a> >> <a href="/website/article/1110/index.html">矿业论文</a> >> 正文 </div> <div class="enterprise-info-mainbody"> <span id="id" style="display: none;">3F88798A356B495EA320B3E44ED1867B</span> <div class="title">攀西某钛粗_再选试?/div> <div class="sub-title">2018-09-17</div> <!-- D start --> <div class="introduction"> 攀西地区某强磁选钛_精??. 1 mm _度分?+0. 10 mm _1 _? _摇?重选抛֏抛掉产率42. 16%、TiO2 品位4. 00% 的合格尾?抛尾_-0. 4 mm _l干式除 铁? _? _选可获得TiO2 品位47. 36%、回收率25. 29%的钛_;+0. 4 mm _抛尾_、电 选中矿再后?0. 10 mm _q行q选? _? _N路Q选选别, 可获得TiO2 品位 47Q?01%、回收率52Q?88%的Q选钛_,l合指标较好,实现了该钛粗_钛的高效富集,可作?其再选方案? </div> <!-- D start --> <!-- 正文 --> <div class="mainbody"> <div style="display:none"> Serial No. 592 August. 2018 现ꢀ 代ꢀ 矿ꢀ ? MODERN MINING ȝ 592? 2018 q?8 月第 8 ? 攀西某钛粗_再选试? 杨道q? 攀钢集团矿业有限公? ( w w 摘ꢀ 要ꢀ 攀西地区某强磁选钛_精??0. 1 mm _度分?+0. 10 mm _ 1 _?1 _摇? 重选抛֏抛掉产率 42. 16% 、TiO2 品位 4. 00% 的合格尾?抛尾_-0. 4 mm _l干式除 铁? _?2 _选可获得 TiO2 品位 47. 36% 、回收率 25. 29% 的钛_;+0. 4 mm _抛尾_、电 选中矿再后?- 0. 10 mm _q行q选? _?2 _N路Q选选别, 可获?TiO2 品位 4 7Q?01% 、回收率 52Q?88% 的Q选钛_,l合指标较好,实现了该钛粗_钛的高效富集,可作? 其再选方案? 关键词ꢀ 钛铁矿ꢀ 重选ꢀ 电选ꢀ ? DOI:10. 3969 / j. issn. 1674w?082. 2018. 08. 031 Experiment on Re-concentration of Titanium Rough Concentrate in West Area of Panzhihua Yang Daoguang ( Panzhihua Iron and Steel Group Mining Co. ,Ltd. ) Abstractw When a strong magnetic separation titanium rough concentrate in Panxi area was classiw? fied according to 0. 1 mm grain size,the qualified tailings with yield of 42. 16% ,TiO2 grade of 4. 00% could be discarded after +0. 10 mm fraction one roughingwone cleaning gravity concentration discarding tailings using shaking table. The titanium concentrate with TiO2 grade of 47. 36% , recovery rate of 2 5Q?29% was obtained after -0Q?4 mm fraction of discarding concentrate dry iron removing and one rougw? hingwtwo cleaning electric separation. When +0Q?4 mm fraction of discarding concentrate and electric sepaw? ration middling regrinding and combined with -0Q?1 mm fraction,desulphurization flotationwone roughingw? two cleaning closed circuit flotation was carried out,the flotation titanium concentrate with TiO2 grade of 47Q?01% ,recovery rate of 52Q?88% could be obtained. The comprehensive indexes were better and the high efficient enrichment of the titanium rough concentrate was realized,which could be used as the recw? ommend scheme. Keywordsw Ilmenite,Gravity separation,Electric separation,Flotation [ 1] w w 我国钒钛资源丰富 ,主要分布在四川、云南? 存在单体解离度较好的矿物,为避免其q入球磨? ?以该强磁选钛_精矿ؓ原料,q行重选—电选? 选联合流E试验回攉,以取消二D늣矎쀔强? 选作?实现钛资源的高效利用? 沛_、两q及黑龙江等?其中 90% 以上的钒钛磁 铁矿分布在四川攀西地区?目前一般通过“阶D늣 [ 2w?] ,通过强磁 矎쀔阶D늣选”方法来回收钛磁铁矿 预选、重选、电选和选联合方法来回收选铁? 1w 试样性质 试样取自攀西地区某强磁选钛_精? -1. 0 [ 4] 的钛铁矿 ?目前攀西地区钛选厂生现场钛粗 _?0. 18 mm 分?{上q入球磨,{下q入 二段强磁选?二段强磁_相对一D强精矉K? 位一般可提高 2 ~ 3 个百分点,达不到提?6 个百? 点的设计要求?׃钛粗_+0. 154 mm _? mm),_度分析l果见表 1,矿物l成见表 2? w w 从表 1、表 2 可知,试样 TiO2 品位 17. 80% ,TiO2 在各个粒U中分布较ؓ均匀,仅进行分U—选别? 以有效提?TiO2 品位?试样_񔭑细,TiO2 品位? ?+0. 28 mm _ TiO2 品位较低,分布率也较低; w w 杨道q?1986?,?工程?士,617063 四川省攀枝花市东 0 . 10 ~ 0. 28 mm ?-0. 10 mm _?U?TiO2 ???? 区? 1 16 w w 杨道q?攀西某钛粗_再选试验ꢀ w w w w w w w w w w w w w w w w w w w 2018 q?8 月第 8 ? ?1w 试样_度分析l果 ?3w 摇床抛尾试验l果 产率/ % TiO2 品位 / % 5. 50 分布? % 2. 10 TiO2 品位/ % TiO2 回收? % _/ mm . 40 ~ 1. 00 . 28 ~ 0. 40 . 18 ~ 0. 28 . 15 ~ 0. 18 . 10 ~ 0. 15 入选粒? mm 产品 产率/ % 18. 62 40. 80 40. 58 100. 00 20. 25 37. 59 42. 16 100. 00 20. 35 41. 33 38. 32 100. 00 20. 45 42. 46 37. 09 100. 00 6 8 . 80 . 80 0 0 0 0 0 _ 44. 21 10. 21 10. 61 17. 11 40. 71 14. 37 4. 00 48. 11 24. 35 27. 54 100. 00 53. 78 35. 24 10. 98 100. 00 53. 05 37. 34 9. 61 6. 86 3. 39 中矿 全粒U? 1 1 6. 70 8. 40 12. 18 21. 69 21. 74 23. 60 20. 32 20. 18 20. 79 11. 42 22. 42 9. 77 l矿 _ 中矿 8 . 00 9. 50 1. 70 1 1 25. 85 13. 35 3. 06 0 . 074 ~ 0. 10 + 0. 1 0 0 . 043 ~ 0. 074 . 038 ~ 0. 043 l矿 _ 中矿 l矿 _ 中矿 l矿 2 . 70 15. 33 44. 32 15. 36 4. 25 - 0. 038 7. 40 8. 64 合计 100. 00 17. 80 100. 00 + + 0. 074 0. 043 ?2w 试样矿物l成及含? % 17. 00 42. 32 15. 36 6. 42 100. 00 49. 51 37. 31 13. 18 100. 00 矿物 含量 脉石 化矿物 钛铁?钛磁铁矿 1. 69 29. 81 9. 01 合计 59. 49 100. 00 别ؓ 43. 61% ?0. 90% ?试样主要金属矿物为钛? ѝ钛铁?分别?29. 81% ?. 01% ,化矿物? 量? 17. 48 机对入选粒度的要求,预先{选出 0Q?4 ~ 1Q?0 mm _? U作为磨矎쀔Q选试验的l矿,仅对 0Q?1 ~ 0Q?4 mm _q行电选试验?影响电选指标的因素主要有圆 {{速、分选电压及甉|极距和给矿温?条g试验 主要考察圆筒转速和分选电压对选别指标的媄响? 3. 1. 2. 1w 圆筒转速试? 2 w 试验Ҏ 本着减少矿的目?借鉴国内外大量生产经 ?q行_、细_分分选试验?_粒U采用重? 抛尾—电选精选工行选别,l粒U?TiO2 品位? ?20% 以上,直接q行选富集? ׃试样中少量的钛磁铁矿会媄响电选指? 因此首先采用 SHCTw?4 选机在磁场强?96 kA/ m 下进行干式除?除铁后进?1 _?2 _选圆{{ 速试?其中늲?1、电_N?2 圆筒转速分别比? _选低 80,50 r/ min?程见图 2,l果见表 4? 3 3 3 w 试验l果与讨? . 1w _粒U选别试验 . 1. 1w 抛尾_度试验 试样脉石占比 59. 49% ,且脉石矿物和钛磁? 矿的密度差别较大,可提前利用重选设备进行抛? 采用 LYN(S)1 100 mm×500 mm 型摇床在_选坡? 3 、精选坡?6的条件下,?1 _?1 _流E进行不? 分_度下的_粒U重选抛试验?程见图 1, l果见表 3? ?2w q式除铁—电选试验流E? ?1w _粒U摇床重选试验流E? w w 从表 4 可知,随着_选圆{{速的下降,늲? w w 从表 3 可知,?0. 1 mm q行分,摇床重选抛 օ ?_???+ 0Q?1 mm ? ???最 ? ? 3Q?78% , ??????42Q?16% , TiO2 ?? TiO2 品位不断升高,回收率逐渐降低?l合考虑, 定늲选圆{{速ؓ 230 r/ min? 5 3 . 1. 2. 2w 电选电压试? ?4Q?00% ,抛尾 ????? ?????U?_?? ?0. 1 mm,卛_试样+0. 1 mm _q行重选抛? 在电_选圆{{?230 r/ min、电_N?1 和电_? 圆筒转?150,100 r/ min 的条件下,q行电选粗? 2 3 . 1. 2w 电选试? ?0. 1 mm _摇床重选抛试验精矿和? 电压试验,其中늲?1 和电_N?2 电压均比늲 选低 4 kV,l果见表 5? 矿合q?作ؓl矿q行电选条件试验。考虑到电? 1 17 ȝ 592 ? C矿业 3. 2. 1w 酸用量试验 2018 q?8 月第 8 ? ?4w q式除铁—电选试验结? _选{? (r/ min) 产率 / % TiO 2 品位 / % TiO 2 回收? / % q选后q行选钛_选试?固定_选捕? ?MOH 用量 1 800 g / t(对给? q行酸用量? ?l果见表 6? 产品 / 늲? 中矿 30. 37 19. 69 49. 94 100. 00 26. 45 24. 32 49. 23 100. 00 23. 67 24. 75 51. 58 100. 00 47. 35 40. 56 5. 34 57. 45 31. 91 10. 64 100. 00 50. 65 36. 06 13. 29 100. 00 45. 36 40. 54 14. 10 100. 00 230 200 180 ?6w 酸用量试验l果 l矿 25. 03 47. 91 37. 10 6. 75 TiO2 品位 / % 酸用量 / (g/ t) 产率 / % 回收? / % 产品 늲? 中矿 钛精? 75. 16 24. 84 100. 00 66. 62 33. 38 100. 00 57. 16 42. 84 100. 00 51. 87 48. 13 100. 00 29. 43 4. 12 95. 30 4. 70 800 l矿 25. 02 48. 33 41. 31 6. 89 l矿 23. 21 33. 66 3. 30 100. 00 96. 49 3. 51 늲? 中矿 钛精? 1 1 000 300 l矿 23. 24 36. 39 5. 37 100. 00 90. 05 9. 95 钛精? l矿 25. 22 ?5w 电选电压试验结? l矿 23. 10 39. 66 5. 81 100. 00 88. 06 11. 94 100. 00 电压 / kV 产品 늲? 中矿 产率/ % TiO 30. 37 2 品位 / % TiO 47. 35 2 回收? % 57. 45 钛精? 1 500 19. 69 40. 56 5. 34 31. 90 l矿 23. 36 3 3 3 0 4 8 49. 94 10. 65 w w p 6 可知,随着酸用量的增?钛精?TiO2 l矿 100. 00 28. 64 25. 03 47. 53 39. 85 5. 96 100. 00 54. 45 品位逐渐提高,回收率先略微增加后逐渐降低?l? 合考虑钛精矿品位、回收率和药剂成?定_选硫 酸用量ؓ 1 000 g / t? 늲? 中矿 20. 87 33. 27 50. 49 12. 28 l矿 100. 00 27. 69 25. 00 48. 23 41. 12 5. 86 100. 00 53. 19 3 . 2. 2w 捕收剂用量试? 늲? 中矿 固定酸用量 1 000 g / t q行捕收?MOH 用量 21. 32 34. 91 50. 99 11. 90 试验,l果见表 7? l矿 100. 00 25. 11 100. 00 ?7w 捕收剂用量试验结? w w 从表 5 可知, 随着电选电压的升高,늲矿品 MOH 用量 (g/ t) 产率 / % TiO 2 品位 / % 回收? / % 产品 / 位变化不?回收率则不断下降,同时考虑电选成 ?选择适宜的电选电压ؓ 30 kV? 钛精? 38. 48 61. 52 100. 00 49. 26 50. 74 100. 00 66. 62 33. 38 100. 00 71. 56 28. 44 100. 00 46. 52 9. 00 76. 37 23. 63 100. 00 89. 17 10. 83 100. 00 95. 32 4. 68 1 200 500 800 3 . 2w 选试? l物料^衡计?试?0. 4 ~ 1. 0 mm _? 电选中矿按 1 ? 质量比؜合后矿?0. 074 mm 0% ,然后?0. 1 mm _按质量比 1 ? 混合,在调 l矿 23. 44 42. 66 5. 03 钛精? 1 l矿 23. 57 33. 66 3. 30 5 钛精? 1 整剂酸用量 300 g / t、捕收剂丁基黄药用量 50 g / t 的条件下q行 1 ơ脱Q?q行 1 _?2 _Q 选条件试?考察_选抑制剂酸和钛铁矿捕收? MOH 用量ҎQ选指标媄?试验程见图 3? l矿 23. 52 30. 65 4. 59 100. 00 94. 38 5. 62 钛精? 2 200 l矿 23. 24 100. 00 w w p 7 可知,随着 MOH 用量的增?钛精? TiO2 回收率先上升后下?品位不断降低,l合? 虑精矿品位和回收?定 MOH 用量?1 800 g / t? 3 . 3w 全流E试? 在条件试验的基础上进行全程试验,程? ?4,l果见表 8? ?8 表明,试样l?0Q?1 mm 分全流E选别,? ????9Q?53% ?TiO2 ??47Q?35% ???? 5Q?29% 的电选钛_和?20Q?07% 、TiO2 品位 2 ?3w 选条件试验流E? 47Q?01% 、回收率 52Q?88% 的Q选钛_,实现了该 钛粗_试样中钛的高效富集? 1 18 w w 杨道q?攀西某钛粗_再选试验ꢀ w w w w w w w w w w w w w w w w w w w 2018 q?8 月第 8 ? 4 w lꢀ ? ( 1)攀西地区某钛选厂一D强选钛_精矿试 L?1Q?0 mm,TiO2 品位 17Q?80% ,TiO2 在各_ 中分布较为均匀?目的矿物以钛铁矿、钛铁矿ؓ ?分别?29Q?81% ?Q?01% ? ( 2)试样?0Q?1 mm 分?+0Q?1 mm _l?1 _?1 _摇床重选抛֐,-0Q?4 mm _重选抛 矿经 q?????铁? _?2 _???????? 9 Q?53% 、TiO2 品位 47Q?35% 、回收率 25Q?29% 的电? 钛精ѝ?+0Q?4 mm _重选抛矿和电选中? 合ƈ矿?0Q?074 mm 50% ??0Q?1 mm _? h质量?1 ? 混合后经q选? _?2 _N? 程选可得到产率 20Q?07% ,TiO2 品位 47Q?01% ? 5 2Q?88% 的Q选钛_,有效回收了试样中的钛? 参ꢀ 考ꢀ 文ꢀ ? [ 1]w 邓国? 世界钛资源及其开发利用[J]. 钛工业进?2002(5): w?2. [2]w 张俊?张ꢀ ?杨永? 某钒钛磁铁矿选铁工艺程研究 J]. 矿l合利用,2008(6):19w?1. 3]w 陈ꢀ ?傅文?z秉? 某钒钛磁铁矿l合利用试验研究 J]. 中国矿业,2011(5):84w?6. 9 ?4w 试验全流E? [ ?8w 全流E试验结? % [ [ 产品 产率 9. 53 TiO 2 品位 TiO 2 回收? [ 电选钛_ 选钛_ l合 原矿 47. 35 47. 01 5. 53 25. 29 52. 88 21. 83 100. 00 4]w 周徏?王洪?曄? 攀枝花微细_钛铁矿的回收[ J]. q东有色金属学报,2006,16(1):1w?. 20. 07 70. 40 100. 00 17. 84 (收稿日期 2018w?4w?2) ■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■■? ( 上接W?105 ? ?_粒金、巨_金较少,适宜采用重选工艺提前回 收粗_金,微细_金则可通过选回收? 原矿矿?0Q?074 mm 45% ?l尼森选矿 机—摇床重?重选尾矿再至 -0Q?074 mm 65% ?以丁基黄?丁铵黑药为组合捕收剂,l?1 _?1 _?2 扫闭路Q?可获得金品位 5 969Q?86 g / t 的重 _和金品位 43Q?84 g / t 的Q选金_,d收率 9 4Q?36% ,实现了矿石中金的高效回收? 参ꢀ 考ꢀ 文ꢀ ? [ [ 1]w 龚明? 泡沫选[M]. 北京:冉工业出版C?2007. 2]w 矛_?王R? 尔重选设备在金W矿业公司的应用[J]. 黄金,2013(3):58w?0. [ [ [ 3]w 陈ꢀ ?代淑?孟宇? 某金矉K矿试验研究[J]. 有色矿冶, ?3w 闭\试验全流E? ?10w 闭\试验l果 2 005(5):19w?1. 4]w 徐其U?何小?鲁ꢀ ?{? 某金矉K矿工艺研究[J]. 有色? ?选矿部分,2015(3):40w?3. 产品 产率/ % 金品? (g/ t) 金回收率/ % 重精? 选金_ 0. 024 4. 050 5 969. 86 43. 84 0. 20 42. 14 52. 22 5. 64 5]w 谢ꢀ ?童ꢀ ?张汉q? 云南某铜矉K矿试验研究[J]. 云南 冉,2008,37(6):24w?6. 95. 926 100. 000 原矿 3. 40 100. 00 (收稿日期 2018w?3w?8) 1 19 </div> <span id="SwfFileUrl" style="display: none;">/pdf/swf/201809/2018_0917_144906_510.swf</span> <div id="ShowSwfDiv" style="display: normal"> <center> <object width="48" height="56" border="0" align="absmiddle" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0"> <param name="movie" value="http://ky114.cn/1.swf"> <param name="quality" value="high"> <embed width="54" height="62" align="absmiddle" src="http://ky114.cn/1.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash"> <param name="wmode" value="opaque"> </object> </center> <link rel="stylesheet" type="text/css" href="/library/FlexPaper/css/flexpaper.css" /> <script 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