澜沧难选富银铅锌矿选矿小试验研究

1、澜沧难选富银铅锌矿选矿小试验研究3.1主矿样现厂流程试验研究我们把主矿样在现有选厂所采用的工艺流程上进行了试验*现厂流根见图一I验结果见表一20图一1现厂工艺流程全开踣试邂就理图快随硫化铅一起回收。试验内容如下:3.2.1磨矿细度试验磨矿细度试验流程和试验结果见图一2、麦一21图一2磨矿细度试验流程表21辞了细度试鲨结果廨矿细度-0.074mm%产品名称产率%品位回收率PbZnPbZn59钳祖藉砂7.4644.704.0583.256.58锌粗精矿10.S813037.053.448538尾r81.960.650.4513.318.04原矿100.004.0054.591100.00100.0

2、072钳粗帝矿&5340.104.4784.398.47锌粗精矿10.271.1836.902.9884.30尾r81.200.630.4012.637.23100.004.0544.496100.00100.001S2粗精矿8.7039.504.7434.528.96锌粗矿10.601J536.652.9984.37尾矿80.700.630.3812.496.66原矿100.004.0694.604100.00100.0088铅粗精矿9.0137.705.0284.719.82捽耕将矿10.491.0136.752.6483.71尾矿80.500.630.3712.656.47原矿1

3、00.004.0104.605100.00100.00磨矿细度试验结果衣明：1、磨矿细度在60s90范围对选别指标影准不大：2.考虑到经济效益及浮选沉槽等操作因索，磨矿细度以0.074mm占70%左右为好。3.2.2铅粗选条件试验(1)诰粗选条件试验流程见图一3图一3.铅粗选条件试验流程(2)铅粗选石灰用试验2 油54+18+18g/t固定条件：硫酸锌=5YN-l=6U+4Q*20g/t；铅粗选石灰用量试验结果见表一22表 23铅粗选硫酸锌用昭试端结果石灰用*g/t产品名称产率品位回收孝%PbZnPbZn5000铅粗精矿7.9926.217.7851.0913.11铅尾矿92.012.184.

4、4848.9186.89原矿100.004j014.744100.00100.0010000钳粗堵矿8.6038.815.0978.019.920HB钳尾矿91.401.0343521.9990.08原矿100.004.2814.414100.00100.0015000铅粗精矿8.4039.914.4783.768.8291.600.714.2416.2491.18庾矿100.004.0044.259100.00100.0020000偌粗精矿8J742.074.0284.057.54铅尾矿91.830.7143915.95,92.46原矿100.004.0894.360100.00100.00

5、25000铅粗料矿8.0542.804.0384.647.41铅尾矿91.950.684.4015.3692.59原矿100.004.0704370100.00100.0030000铅粗精矿8.1342.504.0784.877.38佑尾矿91.870.674.5215.1392.62原矿100.004.0714.483100.00100.00从铅粗选石灰用量试验结果可知：1、随着石灰用幸艮的增加，铅粗精矿的品位和回收率都增加，含锌量降低；2、石灰用量以20000g/t为宜.(3)铅粗选硫酸锌用量试验固定条件：石灰=20000g/t；YN-l-60+4Q*20g/t；才油=54+18+18g/

6、l；铅租选硫酸锌用量试验结果见表一23ZnSCh用*"!产品名称产率品位回吹率PbZnPbZn0铅粗精矿7.4845.704.2083887.22钳尾矿92.520.714.3616.1292.78»矿100.004.0754.348100.00100.002000(2000.0,0)田幺且精矿7.4045.754.2783.947.27留尾矿92.600.704.3516.0692.73瘵矿100.004.0344.344100.00100.004000(2000.1000.1000)铅粗精矿7.2046.534.3683.56,7.07铅尾矿92.800.714.451

7、6.4492.93原矿)00.004.0094.444100.00100.006000(4000,1000,1000)铅粗精矿7.)546.904.4083.767.01铅尾矿92.850.704.5016.24192.99康矿100.0040034.493100.00100.00砸酸锌用爱试验结果表明：当石灰改在球JS机中添加后，加纭不加硫酸锌对铅锌分富越响不大.故在后续试验，不再添加硫酸锌.(4)铅粗选YN“用试验固定条件：石灰=20000g/t；2*油=54+18+18g/l；铅粗选YN】用量试验结更见表一24表.25铅粗选2"油用最试验结果YNU用绘g/t产品名称产率品位回收

8、率PbZnPbZn70(40,20,10)铅粗精矿6J345.663.5868.804.92铅尾矿93.871354.5331.2095.08原矿100.004.074.47100.00100.00100(5030,20)铅粗土胥矿7.0645.703.4180355351钳尾矿92.940.854.5719.6594.65原矿100.004.024.49100.00100.00120(60,40,20)铅粗精矿73845.M38383.70635铅尾矿92.62。刀4.4616.3093.65原矿100.004.054.41100.00100.00140(80,40,20)铅粗培矿7.974

9、2.414.0184.087.22铅尾矿92.030.704.4715.9292.78原r100.004.024.43100.00)00.00170(90.50.30)铅粗赭矿7.9842.03784297.45铅尾矿92.020.694.4615.719255原矿1004.014.43100.00100.00铅粗选YN1用量试验结果表明；1、随若YN-1用工的境加.铅殂精矿问收率增加;2、YN用卷以120ga(60,40,20)较好;3、若绻续增加YN-1用量，铅相精矿回收率不仅没有明显增加，铅粗精矿品位明显下降，含锌增加。铅粗选2油用量试验固定条件：石灰=20000g/I；YN-l=60M

10、0A0ga：铅粗选2泊用虽试验结果见表一252,油用厦助产品名称产率%品位回收率!PbZnPbZnj54馅粗将犷7.6644.684383.736.841铅尾矿92.340.724.5616.2793J6廉矿100.004.0874.619100.00100.0063铅粗稻矿7.8343.564.2683.917.42铅尾矿92.170.714.5216.0992.58原矿100.004.0654.500】goo100.0012铅粗精矿8.5440.1144483.88&17铅尾矿91.460.724.5616.1291.83原矿100.004.0854.541100.00100.00

11、90铅粗堵矿8.5340.1044784.398.47铅尾矿91.470.694.5015.6191.53原矿100.004.0544496100.00100.00108铅相精矿&5340.5443984.598.42蜡尾矿91.470.6844515.4191.58原矿100.004.0374.444100.00100.001式验结果表明：铅粗精矿2油用:&在54s90g/t范围影响不大。3.2.3铅精选条件试验(1)铅粗(Is口1)箱矿精选条件试验铅粗(I-III)精矿精选试验条件流程见图一4.图一4铅粗山）精矿精选条件试验流程:2）铅粗（I山）糟矿精选石灰用帑试验固定条件

12、：YNJ=10+10g/t；2却油=9+9gA；硫酸锌=0;铅粗（1川）精矿精选石灰用量试验试验结果见表一26。表一 27铅祖(I-III)矿精选琉酸锌用星试验结果石灰用逮g/t产品务称产率品位%回收率PbZnPbZn33.850,0铅精矿69.0263.923.1496.7530.984.776.023.2546.15铅粗精矿100.0045.604.03100.00100.00500,500铅精矿66.2933.7165.013.066.2096.2149.275.0537950.73钳组精矿100.0044.804.12100.00100.001000,1000钳精矿65.3166.00

13、2.9595.8247.19铅精尾34.695.436.234.1852.81铅粗精矿100.0044.984.09100.00100.001500,1500怕精矿60.6469.602.6094.7938.9239.365.8963052)61.08铅粗精矿100.0044.534.06100.00100.00铅精选石灰用量试验结果表明：1、小型试验加不加石灰都能获得铅品位大于60%的铅精矿，且不加石灰，铅精选的作业回收率较高；2、但随着石灰用量的增加，铅精V品位提高；3、建议在生产上如果铅精矿品位不合格或偏低，可适量补加石灰.(3)铅粗(I-IU)糖矿精选硫酸锌用试验固定条件：石灰0：YN

14、-1-lO+lOgA；2,油工490”硫酸锌：-铅粗精矿精选硫酸锌用量试验结果见表一27r硫酸悴用量产品名称产聿品位%回收率PbZnPbZn0,0铅精矿69.0263.923.1496.7553.8530.984.776.023.2546.15铅粗精矿100.0045.604.03100.00100.00I250,250铅n矿68.3464.103.1396.7152.58铅枫3L664.706.103.2947.42钳:粗将矿100.0045.304.07100.00100.00500,500铅希矿68.5664.013.1296.7452.32铅秸尾31.444.726.2032647.6

15、8铅粗精旷TOO0045.374.09100.00100.00)000,1000铅融矿68.3964.053.1596.7352.3131.614.686.223.2747.69甸粗精犷)00.0045.284j1100.00100.00铅柑选硫酸锌用量试验结果表明：硫酸锌用堀对铅精选效果影响不大，说明铅精先作业不用添加硫酸锌.(4)铅粗(I-III)精矿精选YML2油用量试验固定条件：石灰=0；硫酸锌=0;铅粗(I-in)精矿精选YNls2,油用量试验结果见表一28表一 28铅粗(1 Ml)精矿精选YN-1. 2油耳量试验结果YNL2”油用哥胪产品名称产军品位%回收率PbZnPbZnYN-1

16、：(H0；12油，(H)；铅粘矿69.5261.893.6596.2956.70铅精尾30.485.446-363.7143J0铅粗精矿100.0044.694.48100.00100.00YN-I：10*1012澜(H0；70.1162323.3996.8354.97铅糟尾29.894.776.513.1745.03钳粗精矿100.0045.124.33100.00i00.00YN-h0+0：2仙9+9；钳精矿69.8360.573.8496.6958.77铅精尾30.174.796.2233141A3铅粗将犷100.0043.754.56100.00100.00YN-1：血10：2%：39

17、；铅精矿69.0263.923.1496.7553.85铅犒尾30.984.776.023.2546.15铅粗糟矿100.0045.604.03100.00100.00铅粗(IsIU)精0梢选YNk2油用良试验结果表明"在钳梢选作业适当补加YN-1杠2。池，有利于提高铅精矿品位.(6)铅粗(IH1)精矿精选YNT,2油用试验试验流程如图一5试验结果见表一29o图一5铅粗（I+H）精矿精选试验流程表一29铅粗（1+口）精矿精选YNK2,油用就试验结果YN1,2。油用童g/t产品名称产率品位回收率PbZnPbZnYN-I：0+0：2”油：（H0：铅精矿706362.772.9396.45

18、52.81钳中矿29.375.546.2935547.19钳相（1+口）100.0045.963.92100.00100.00YN1：10*10细0H）：钳稠矿732761.853.0797.0758.75铅中矿26.735J45.912.9341.25钳粗（1+11）精犷100.0046.693.83100.00100.00YN-1：10+10才油：9+9：铅祷矿72.8662.273.0297.285744铅中矿27.144.696.022.7242.56铅粗（I+II）赫矿100.0046.643.83100.00J00.00铅粗（I+II）精矿精选YNk2f油用最试验结果表明：铅粗（I

19、、II）精矿合并精选，YNK才油用最对精选作业影响不大.农 30铅粗(1 )精矿精选YNL 2油用卡试验结果（7）铅粗（I）精矿SI选YNT.2油用试验试验流程如图一明试验结果见表一30o图-6卿（1）精矿精选试验流程YN-1.2*泊用量g/t产品名称产率品位%回收率PbZnPbZn铅情矿70.5768.832.08936844.82YN-I：OH)；铅中矿211.7121.306.464.8023.172油:(HO；钳中矿117.724.46&9I1.5232.01铅粗I精矿100.0051.85328100.00100.00铅将矿76.6268.232.5496.3359.63YN

20、-h10+10铅中矿28314.896.002.2915.292”油：0+0；阳中矿15.074.985.431.3825.08铅钮I将矿100.0054.27,3.27100.00100.00哥精矿73.5366.572.2095.7648.80YN-1；(HO；2,油：铅中矿27.65!19.476322.9114.469+9；铅中矿118.823636.461.3336.74铅相I精矿100.0051.123.32)00.00100.00钳埔矿76.7565.792.4197.8158.73YN-I：10*10：铅中旷25.238.975.630.919.212油：9+9；*甘中矿I18

21、.023.685.631.2832.06I耦矿100.0051.623.15100.00100.00铅S(1)耦矿精选YNk2油用量试验结果表明：精选适量补加YN-1和才油.有利于粉精选作业回收率的提高。3.24.锌粗选条件试验(1)锌粗选条件试验流程(见图一7)图一7锌粗选条件试验流程锌粗选硫酸铜用量试验固定条件：丁黄药，133+33+33g/t$YN2：45+27+18叭锌粗选硕酸铜用量试验结果见表一31表一 31梓粗选硫酸铜用殿试验结果视酸钥用量助产品名称产率Zn岛泣%Zn回收率个别累计个别累计个别累计1100锌粗精矿15.5646.1154.971锌粗将矿24.069.6241.124

22、4.0135.7390.70尾矿90.380.489.30铅尾矿100.004.67100.00250锌粗箱矿18.7448.3490.58锌粗精矿：21.3110.0511.5843.553.2593.83尾矿89.950.326.17铅用矿100.004.66100.00500锌粗nr-i9.4544.9790.56锌用精矿21.8011.258.8139.173.3993.95«矿88.750.326.05铅足矿100.004.69100.00833锌粗精矿9J845.8891.32锌粗稽矿；22.0311.216.1238.622.6093.92M矿88.790.316.08

23、钳尾犷100.004.61100.00锌粗选硫酸铜用量试骏结果(表一31)表明：1、随右硫酸铜用量的增加，锌粗精矿J的品位的回收率都明显提高；2、当硫酸铜用凰为250s500g/l时，分选效果最好；3、继续增大硫酸铜用虽.锌梢矿质虽下降.因此，硫酸例用量以250500人为宜。(3)锌粗选丁黄药用灵试验固定条件：硫酸铜：500g/t；YN-2：45+27+18g/t锌粗选丁黄药用量试验结果见茨一32o表一32锌粗选丁黄药用试验金勺果丁黄药用量g/tr产品名称产率%Zn品位Zn回收率个别聚计个别累计个别累计10050*33+17)锌粗精矿6.25(49.1066.85粹粗精矿-23.129.373

24、9.5245.9126.839368尾矿90.630326.32铅尾矿100.004.59100.00125(75+33+17)粹粗精矿18J449.2189.66锌粗精矿21.369.5013.3844.094.0693.72尾矿90.500316.28铅尾矿100.004.4710000150100+33*17)锌粗精矿8.5548.490.13锌粗糟矿21.5210.0712.0842.934.0094.13尾矿89.930305.87铅尾矿100.004.59100.00199(133+33+33)梓粗精9.4044.0890.791锌粗HfiT-21.8011.208.8738.39

25、3.519430尾矿88.800.295.70铅尾矿100.004.56100.00梓粗选丁黄药用量试验结果(表一32衣明：1、随苕丁黄药用值的增加，锌祖精矿1的问收率明显上升：2、当丁黄药用盘为125(75+33+17)g/t时，分选效果较好，继续增大丁贫药用量，锌精矿质量明显下降。(4)锌粗选YM2用量试验固定条件：硫酸馄：500g/t；丁黄药：125(75+33+17g/t锌粗选YN-2用量试验结果见表一33表-33锌粗选YN-2用昴试验统果YN2用量劝产品名称产率Zn品位%Zn回收直啊个别累计个别累计个别霜计63(27+18+18)锌祖精矿17.8851J85.20绊粗将矿21.489

26、.3626.8847338.6493.66尾矿90.640336.34铅尾矿100.004.73100.0072(36+18+18)件粗精矿17.9751.6787.10锌粗精矿21.449.4122.3147.186.779387尾r90.590326J3铅尾矿100.004.73100.00181(45+18+18)锌相精矿/8.0651.5587.55锌相持矿21.459.5121.5046.906.5494.09尾矿90.490.315.91钳尾矿100.004.74100.0090(54+18+18)锌粗糟矿18J551.4288.03锌粗精矿21.459.6120.0046.626

27、.0994.12尾矿90390.315.88馅尾矿100.004.76100.00锌粗选YN-2用量试验结果（表一33）表明：许粗选YN-2用址在72（36+18H8）g/t-8（45+18T8）束直范围比较合适.（5）锌粗（I）精矿精选丁黄药、Y卜2用屋试验锌粗（I）精矿精选丁黄药、YN2用量试验工艺页程见图-8,试验结果见衷一34o3. 2. 5全开路试验<1Xff：YN-2：TmfiixYN-2：_-VW-hWIF件中r*2图一&锌粗(1)精矿精选丁黄药、YN2用量试验工艺流程八34锌粗(I)精矿精选丁黄药.YN-2用量试验结果丁黄药、YN-2用量产品名称产率Zn品位%Zn

28、回收率个别累计个别累计个别累计丁黄药：0,0YN2:0,0俾精矿43.6253.8245.70锌中矿-236.4380.0552.8353.3737.4683.16锌中矿119.95433716.84锌粗(1)精矿100.005137)00.00丁黄药0YN-2Q0锌椿矿91.0154.1096.05锌中矿：23.6994.7039.4853.532.8498.89锌中矿15.3010.741.11锌粗(D精矿100.0051.26100.00丁资药:10.10YN-2A,9锌精矿93.8851749849锌中矿-21.5895.4624.4253.250.7699.25梓中矿14.54-0.

29、75铎粗I)稍矿100.0051.22100.00梓粗(I)精矿精选丁黄药.YN2用量试验结果(表一36)衷明：锌精选必须补加适量丁黄药和YN-2、否则精选作业回收率太低。主矿样全开路试验主矿样全开路试验工艺流程见图一9.试验结果见表一35.2图一9主矿样、副矿样全开路试验工艺流程表一35主矿样全开赂试验结果产品名称产率品位%回收率PbZnPbZn个别累计个别JRif个别索计个别紊计个别累计帝精矿4.9964.212.8179.913.06钳精11尾0.335328.0260.735652.990.6480.550.413.47钳精：思1.837.156.0046.727.004.012.74

30、83.292.796.26锌精矿7490.9552.221.778532锌将口屋0.257.742.010.9820.0151.180.131.901.09$6.4粹精1尾0.528.262.551.087.7448.440.322.220.8787.28nffium0.338.592.561.137.8746.880.202.420.5787.85用矿84.260.6803214.295.89廉矿100.004.0114.584100.00100.00<2）副矿样全开路试验副矿样全开路试验流程同（主矿样）图一9,试验结果见表一36。农一36副矿样全开路试验结果产品名称产率品位%问收率P

31、bZnPbZn个别累计个别累计个别JRH-个别毂计个别累计,7.9265.212.5281.383.03铅精II尾1.679.5980257.005.012.964.74,86.121.284.31钮精尾2.5812.175.0345.988.024.042.0588.173.147.45锌精矿J0.101.0552.301.6780.10梆柯11尾2.0012.101.231.0815.0146.130.392.064.5584.65锌柯I昆2.6714.772.011.252.0538.170.852.910.8485.49锌矿)3316.102121328.0435.680.443351

32、.6287.11尾犷71.730.750.508.485.44原旷100.006.3476.594100.00100.001326闭路试验主矿样小型闭路试验工艺流程见图一10,小型闭路数质量流程见图一】小型闭路试验结果见表一37.图一】0主矿样小型闭路试验工艺7凡程I上矿样小熨闭路试验数质程兼潦程<r表一37主矿样小型闭路试验结果产品名称产率%品位%回收桌PbZnAg(g/t)PbZnAg铅精矿5.2063.242.88227182.0432872.S4锌精矿&021.1551.391182.2589.965.56尾矿86.780.730.364015.716.762160原矿100004.0(4.58162100.00100.00100.00Wt?精矿含碎0.075%副矿样小型闭路试验副矿样小型闭路试验流程同（主矿样图一10。试验结果见表一38。表一38副矿样小型闭路试骏结果产品名称产率品位%回收率PbZnAg(g4)PbZnAg铅特矿8.6763.653.02231086.614.1180.99锌精矿10.93,1.2551.561212j588.34