云南保山矽卡巖型銅鉛鋅共生礦選礦試驗(yàn)

1、云南保山矽卡巖型銅鉛鋅共生礦選礦中間試驗(yàn)王曉慧梁友偉張麗軍（中國地質(zhì)科學(xué)院礦產(chǎn)綜合利用研究所，中國地質(zhì)調(diào)查局金屬礦產(chǎn)資源綜合利用技術(shù)研究中心四川成都 610041）摘要：在選礦中間試驗(yàn)條件下，對(duì)云南保山地區(qū)矽卡巖型銅鉛鋅共生礦進(jìn)行了浮選試驗(yàn)研究，取得了較好的選礦指標(biāo)。中間試驗(yàn)選礦指標(biāo)為：銅精礦銅品位18.57%，回收率78.04%;鉛精礦鉛品位67.37%，鉛回收率58.26% ；鋅品位49.11%，鋅回收率88.57%。為開發(fā)該礦提供了選礦技術(shù)依據(jù)。關(guān)鍵詞：矽卡巖型；銅鉛鋅共生礦；浮選；中間試驗(yàn)中圖分類號(hào)：TD923 ； TD954 文獻(xiàn)標(biāo)志碼：A 文章編號(hào)：1000-6532（ 2016）

2、04-00云南保山地區(qū)矽卡巖型銅鉛鋅共生礦選礦中間試驗(yàn)采用的選礦工藝流程是在小型試驗(yàn)室試驗(yàn)的基礎(chǔ)上1-6，經(jīng)過連續(xù)擴(kuò)大試驗(yàn)進(jìn)一步改進(jìn)，最終確定的一段磨礦-銅鉛混浮-混浮尾礦選鋅-混浮精礦銅鉛分離-分離尾礦搖床選鉛的原則工藝流程。1選礦中間試驗(yàn)選礦中間試驗(yàn)分為個(gè)別設(shè)備的單機(jī)調(diào)試、連續(xù)調(diào)試，穩(wěn)定運(yùn)轉(zhuǎn)三個(gè)階段。中間試驗(yàn)處理量為60kg/h,在連續(xù)調(diào)試后，穩(wěn)定運(yùn)轉(zhuǎn)72h（ 9班），取樣分析計(jì)算每個(gè)班的試驗(yàn)指標(biāo)，并在穩(wěn)定運(yùn)轉(zhuǎn)期進(jìn)行流程考察。1.1礦樣所取中間試驗(yàn)礦樣經(jīng)過兩段顎式開路破碎機(jī)破碎后再經(jīng)過輥破碎機(jī)與篩分形成三段一閉路破碎流程，最終經(jīng)過篩分機(jī)控制產(chǎn)品粒度-2mm并混勻。試驗(yàn)原礦樣化學(xué)分析結(jié)果見表

3、1。表1礦石樣化學(xué)分析結(jié)果Table 1Main chemical compositi on an alysis of the ore名稱CuPbZnTFeSCaOMgOAl 2O3SiO2AsAu*Ag含量/%0.580.753.1417.282.6818.052.092.0636.440.0120.07312.2*單位為g/t。1.2選礦中間試驗(yàn)結(jié)果試驗(yàn)過程控制及要求在進(jìn)行中間試驗(yàn)之前，為確保中間試驗(yàn)過程穩(wěn)定進(jìn)行，需要對(duì)試驗(yàn)給礦量、磨礦細(xì)度、藥劑配 置及給藥量提出具體要求，以便于中間試驗(yàn)進(jìn)行調(diào)整。（1）給礦要求：按試驗(yàn)要求的給礦量進(jìn)行給礦，每小時(shí)測(cè)定一次，并按要求給礦量進(jìn)行校正。（2）磨礦

4、細(xì)度要求：每小時(shí)測(cè)定一次最終磨礦細(xì)度，并按試驗(yàn)要求的磨礦細(xì)度進(jìn)行調(diào)整校正。（3）藥劑配置要求：根據(jù)試驗(yàn)所需藥量進(jìn)行相應(yīng)藥劑配置，給藥量每半小時(shí)測(cè)定一次，并按試 驗(yàn)要求進(jìn)行調(diào)整。收稿日期：2015-12-22基金項(xiàng)目：國家地質(zhì)大調(diào)查項(xiàng)目（項(xiàng)目編碼 ：）資助作者簡(jiǎn)介：王曉慧（1985），女，工程師，碩士，主要從事選礦工藝技術(shù)研究。1.2.2試驗(yàn)工藝流程試驗(yàn)采用的原則工藝流程為:段磨礦-銅鉛混浮-混浮尾礦選鋅-混浮精礦銅鉛分離-分離尾礦搖床選鉛。試驗(yàn)工藝流程、藥劑制度及取樣點(diǎn)設(shè)置見圖1。原礦圖例-磨礦細(xì)度-礦漿濃度0 -礦樣品位硫酸鋅）（混浮精選I硫酸鋅X混浮精選n硫酸鋅汎rx混浮精選川石灰EMY-

5、306 X分離粗選鋅精礦I分離精選"0分離<掃詵I 0分離銅精礦磨礦腐植酸鈉，六偏磷酸鈉乂硫酸鋅X乙黃藥，2#油粗選混浮 0汎硫酸鋅混浮X乙黃藥,2#油掃選X硫酸銅/ 丁黃，2#油粗選丁基黃藥鋅精 0鋅精選n鋅精選川掃詵n搖床:分選 0（* 2#油鋅掃鋅掃尾礦 0鉛精礦圖1選礦中間試驗(yàn)工藝流程圖及取樣點(diǎn)設(shè)置圖Figi The test process of pilot test and gatheri ng spots of test for pilot test選礦中間試驗(yàn)指標(biāo)(1)選礦中間試驗(yàn)共穩(wěn)定運(yùn)轉(zhuǎn)9個(gè)班72h,累計(jì)處理礦石 4.32t。磨礦細(xì)度為-0.074 mm85

6、%,統(tǒng)計(jì)結(jié)果見表2。表2試驗(yàn)礦量及磨礦細(xì)度統(tǒng)計(jì)Table 2 The test results of mineral quantity and grinding fineness班次班1班2班3班4班5班6班7班8班9礦量/kg480.15475.16490.30469.58478.62482.14481.35479.13483.5774 um含量/%85.1784.5383.2185.5586.1283.2486.3786.1785.59(2)選礦中間試驗(yàn)浮選藥劑及種類統(tǒng)計(jì)結(jié)果見表3、4。表3混合浮選藥劑種類及用量Table3 The results of reage nt type and

7、 dosage of bulk flotati on藥劑種類硫代硫酸鈉腐殖酸六偏磷酸鈉硫酸鋅乙基黃藥2#油配置濃度5%5%5%10%0.5%原液精選山50作士斗精選n100業(yè)精選I280用粗選700200200200042.510量掃選I750205合計(jì)700200200318062.515表4鋅浮選及銅鉛分離作業(yè)藥劑種類及用量Table 4 The results of reage nt type and dosage for flotati on test of zincand copper-lead separati ong/t藥劑種類硫酸銅丁基黃藥2#油石灰EMY-360配置濃度5%0

8、.5%原液1%0.5%作鋅粗選4953210業(yè)鋅掃選105用分離精選70150量分離掃選100250合計(jì)4954215170400(3)試驗(yàn)技術(shù)指標(biāo)統(tǒng)計(jì)結(jié)果見表5。1.3選礦中間試驗(yàn)流程考察選礦中間試驗(yàn)穩(wěn)定運(yùn)轉(zhuǎn)穩(wěn)定后， 進(jìn)行了 8小時(shí)的流程考察，每半小時(shí)取樣一次，共計(jì)取樣16次。 試驗(yàn)流程樣取樣點(diǎn)設(shè)置見圖1,數(shù)質(zhì)量流程見圖2,礦漿平衡流程見圖 3。表5選礦中間試驗(yàn)班樣選礦指標(biāo)統(tǒng)計(jì)結(jié)果Table 5 The results of nine classes flotati on in dex of pilot test班次品位/%回收率/%產(chǎn)品CuPbZnCuPbZn銅精礦18.279.834.8

9、478.3727.543.81班1鉛精礦2.5567.731.333.2757.360.31鋅精礦0.570.6249.305.604.0288.80尾礦0.0760.100.2312.7611.087.08銅精礦18.588.075.6976.4724.134.54班2鉛精礦2.9967.561.243.6860.460.30鋅精礦0.550.5447.975.193.7087.67尾礦0.0910.100.2414.6611.717.50銅精礦19.226.465.1575.4421.753.94班3鉛精礦2.7866.461.293.2666.900.29鋅精礦0.490.4350.64

10、4.403.3188.59尾礦0.110.0610.2416.908.047.18銅精礦18.998.325.0080.3624.823.97班4鉛精礦2.3267.841.372.9460.520.33鋅精礦0.510.4948.864.943.3588.86尾礦0.0710.0970.2211.7611.326.84銅精礦18.328.035.0874.8724.094.08班5鉛精礦2.3167.551.352.8260.600.32鋅精礦0.760.5747.867.113.9288.05尾礦0.0950.0970.2415.0211.397.55銅精礦19.188.274.8474.

11、0925.613.86班6鉛精礦2.8665.601.223.2660.770.29鋅精礦0.830.5748.357.244.0488.35尾礦0.110.0790.2416.419.587.49銅精礦19.718.585.0179.1925.973.82班7鉛精礦2.2769.561.382.7362.960.31鋅精礦0.530.4750.734.883.2688.42尾礦0.0840.0660.2513.217.827.45銅精礦17.948.733.7779.2826.403.08班8鉛精礦2.3068.521.343.0461.970.33鋅精礦0.500.5048.245.063

12、.4690.50尾礦0.0730.0690.1912.638.176.09銅精礦19.837.944.4680.1729.903.52班9鉛精礦3.1765.551.323.8358.160.31鋅精礦0.480.4550.044.443.3090.31尾礦0.0730.0810.2011.558.645.842選礦中間試驗(yàn)產(chǎn)品檢查2.1試驗(yàn)產(chǎn)品主要化學(xué)成分分析選礦中間試驗(yàn)最終各產(chǎn)品主要化學(xué)成分分析結(jié)果見表6。表6精礦主要化學(xué)成分分析結(jié)果Table 8 The main comp onent an alysis of the concen trati on %名稱CuPbZnAsBiSbMgO

13、Au*Ag*SiO2SFeAl 2O3銅精礦18.758.404.940.0130.0310.00810.670.52159/鉛精礦2.6267.371.320.33/0.120.306781.0516.66.130.19鋅精礦0.580.5249.110.02/7.24/8.43/*單位：g/t2.2尾礦沉降試驗(yàn)選礦中間試驗(yàn)尾礦沉降試驗(yàn)條件見表7,沉降曲線見圖4o o o o o O5 0 5 0 5112 2 )m卩度高降沉300010203040506070沉降時(shí)間(min)圖4尾礦沉降曲線Fig4 The settl ing curse of taili ngs表7沉降試驗(yàn)條件Tabl

14、e7 The con diti on of sedime ntatio n test尾礦干礦/g礦漿濃度/%量筒容積/mL沉降高度/mm壓縮層/mm壓縮層礦漿濃度/%23019.49100031030018.66從圖4看出，浮選尾礦沉降完全大約需要40min，沉降速度較慢。3結(jié)論（1 ）選礦中間試驗(yàn)穩(wěn)定運(yùn)行 9個(gè)班，共計(jì)72 h，處理原礦量4.32 t;磨礦細(xì)度為-0.074 mm占85%。 試驗(yàn)指標(biāo)為：原礦中 Cu含量0.58%、Pb含量0.74%、Zn含量2.98% ;銅精礦中Cu含量18.57%、 回收率78.04% ;鉛精礦中Pb含量67.37%、回收率58.26% ;鋅精礦中Zn含量

15、49.11%、回收率88.57%。（2 ）選礦中間試驗(yàn)指標(biāo)表明，針對(duì)云南保山地區(qū)矽卡巖型銅鉛鋅共生礦的性質(zhì)特點(diǎn)，采用一段磨礦-銅鉛混浮-混浮尾礦選鋅-混浮精礦銅鉛分離-分離尾礦搖床選鉛的原則工藝流程是合理的，實(shí)際可操作性強(qiáng)，試驗(yàn)指標(biāo)穩(wěn)定可靠。本次試驗(yàn)為綜合回收云南保山矽卡巖型鉛鋅鐵銅共生礦資源中銅、 鉛、鋅等有價(jià)元素提供了可靠的技術(shù)依據(jù)。參考文獻(xiàn)：1邵廣全，張心平，劉萬峰，等.哈薩克斯坦微細(xì)粒嵌布赤鐵礦選礦工藝研究J.有色金屬（選礦部分），2006(3): 23-27.:2邵廣全，劉萬峰，陳金中，等.巴爾布拉烏赤鐵礦選礦工藝擴(kuò)大試驗(yàn)研究J.有色金屬(選礦部分)，2006(5)： 20-24.:

16、3 汪兆龍，嚴(yán)小陵.蘭坪鉛鋅礦選礦擴(kuò)大試驗(yàn)J.云南冶金，2003 (10): 70-74.:4王曉慧，梁友偉，張麗軍.云南某銅鉛鋅多金屬硫化礦石浮選試驗(yàn)J.金屬礦山，2015 (10): 80-84.:5馬龍秋，周世杰，李闊，等.內(nèi)蒙古某高硫銅鉛鋅多金屬礦浮選試驗(yàn)J.金屬礦山，2012 ( 7): 71-75.:6黃建芬.某復(fù)雜銅鉛鋅多金屬礦選礦J.金屬礦山，2012 ( 11): 71-75.Study on the Pilot Test of Copper-lead-z inc Skarn Sulphides in Baosha nYunnanWang Xiaohui, Lia ng Yo

17、uweiZha ng Lijun(Institute of Multipurpose Utilization of Mineral Resources,Research Center of Metal Mineral Resources Multipurpose Utilization ，China Geological Survey，Chengdu, Sichuan, China) Abstract: In the present paper flotation research on skarn-type Cu-Pb-Zn associated mine in Baoshan Yunnan

18、 was carried out duri ng pilot test and obta ined much better flotati on in dex. Then copper concen trate with Cu grade of 18.57% and recovery of 78.04%, lead concen trate with Pb grade of 67.37% and recovery of58.26% and zinc concen trate with Zn grade of 49.11% and recovery of 88.57% are obta ined

19、 respectively. A refined ben eficiatio n test in dicator had bee n obta in ed, which provides a basis for reas on ably recoveri ng these min eral resources.Keywords: Skarn-type; Cu-Pb-Zn associated mine; Flotation;Pilot test100.000.58100.000.742.970.76圖例:3 Cu 3 Pd 3 Z n£ Cu £ Pd £ Zn1

20、00.003.060.61103.29 108.45106.31106.39混浮10.6914.195.814.6485.5388.959.08粗選0.130.132.9398.65 22.9217.3697.319.9813.006.355.20 89.4991.3611.121.711.429.021.564.602.994.7412.983.9617.035.50精選I13.5317.965.213.64 84.8988.376.38混浮精選 n88.6491.147.3314.4519.314.623.4084.6888.735.29混浮0.56竺空14.05 18.54 4.803.

21、63 87.96 90.95 5.87 精選川混浮0.140.132.9399.70 23.8418.1498.29掃選I1.291.422.841.73 3.853.321.650.510.552.761.05 0.92 0.780.9810.823.962.412.043.24混浮0.120.112.9397.97 掃選n 19.9914.8296.640.110.112.9396.92 -19.0714.0495.66混浮0.150.13101.11 25.7517.32110.36鋅粗選混浮6.79 6.418.790.32 3.75 2.77 0.950.700.5639.077.4

22、3 8.925.6297.7514.7619.914.413.31 84.2188.184.92精選W0.790.60 36.258.77 11.95 7.09107.04鋅精選95.260.100.0920.4016.8311.7012.610.110.0960.4493.6818.3812.4014.14鋅掃選8.27 7.137.550.23 3.28 2.220.586.70580.5243.38385.2497.861.000.6613.172.07 3.571.859.180.850.50 7.732.12 3.111.43 5.5215.24 20.65 4.193.08 80.

23、93 85.96 4.345.36°580.5249.11鋅80.760.56 42.197.15 精選 n 9.37 5.45 101.580.095 0.087 0.2793.14 15.27 10.97 8.62鋅掃選1.310.8120.601.34 3.031.479.290.630.5547.185.81 -精選出6.343.9892.290.571.58 1.550.700.332.871.530.087 0.0830.2391.56 13.7210.277.090.7524.611.280.45 0.990.213.72尾礦5.353.7788.57 卄鋅精礦15.7

24、619.794.433.60 分離粗選97849&26725.715.563.461.39 61.62 10.441.62分離26.534.303.291.19 54.386.911.32精選分離9.5128.745.042.21 36.2285.823.759.4027.185072.48 掃選 140.2091.084.2320.9913.054.450.20 7.243.530.3017.5215.666.810.32 9.6719.496.770.73分離5.3314.730.27 -3.985.260.488.2028.88 4.812.16 30.5384.313.50掃選

25、n8.1530.954.751.8918.57 8.404.942.44 78.04 27.70 4.06 |銅精礦、10.9912.316.511.252.6267.371.3223.6620.792.740.64 '2.8958.260.28 !r26.5579.053.02圖3選礦中間試驗(yàn)數(shù)質(zhì)量流程鉛精礦Fig3 The flowsheet of qua ntity and quality of pilot test圖例：丫 (%)Q(kg/h) C(%)W(L/h)100.00 0.6160.0099.000.01100.00L=107.4160.00 .35.71L=14.9

26、0L=0.-18, n_"",L=4.14W:;補(bǔ)加水量：4608.07L/h混浮16.2916.29103.2961.9729.35149.162.41混浮.108.021.80產(chǎn) L2.784.6414.295.143.1212.775.20 21.396.832.1932.593.64 4.532.07混浮混浮粗選-混浮L=0：80 .”-/L=677:*z f ； W/才59.19/ 30.50'98.65_一.一半34.87 /2.28?59.82 / 28.84 99.70 丄；弼爭(zhēng)247 掃選I 一 0.935.28羅'16.86_17942.

27、3819.263.96-亠 9.98 " 4.19精選n.3.40204 J22*527成 3.442.18 9/783.63 8環(huán) 4.05 精選皿J0.193.480.325.2727.741.9935.793.31 嶺卄 3.571.79精選W0.1412.110.23 1.027.291.8531.043.08 4.112.225.36).560.3411.502.967.711.049.98 /|_r36#1.73 / L_4.369.38 9.02 / / t /1.05 °.63 嚴(yán)75.95 /9.4L=7.09/ / /混浮60.67 /20.47 y101.11235.77，3層7/ /$鋅4.4633.5