1、瀾滄難選富銀鉛鋅礦選礦小試驗研究3.1主礦樣現廠流程試驗研究我們把主礦樣在現有選廠所采用的工藝流程上進行了試驗*現廠流根見圖一I驗結果見表一20圖一1現廠工藝流程全開踣試邂就理圖快隨硫化鉛一起回收。試驗內容如下:3.2.1磨礦細度試驗磨礦細度試驗流程和試驗結果見圖一2、麥一21圖一2磨礦細度試驗流程表21辭了細度試鯊結果廨礦細度-0.074mm%產品名稱產率%品位回收率PbZnPbZn59鉗祖藉砂7.4644.704.0583.256.58鋅粗精礦10.S813037.053.448538尾r81.960.650.4513.318.04原礦100.004.0054.591100.00100.0

2、072鉗粗帝礦&5340.104.4784.398.47鋅粗精礦10.271.1836.902.9884.30尾r81.200.630.4012.637.23100.004.0544.496100.00100.001S2粗精礦8.7039.504.7434.528.96鋅粗礦10.601J536.652.9984.37尾礦80.700.630.3812.496.66原礦100.004.0694.604100.00100.0088鉛粗精礦9.0137.705.0284.719.82捽耕將礦10.491.0136.752.6483.71尾礦80.500.630.3712.656.47原礦1

3、00.004.0104.605100.00100.00磨礦細度試驗結果衣明：1、磨礦細度在60s90范圍對選別指標影準不大：2.考慮到經濟效益及浮選沉槽等操作因索，磨礦細度以0.074mm占70%左右為好。3.2.2鉛粗選條件試驗(1)誥粗選條件試驗流程見圖一3圖一3.鉛粗選條件試驗流程(2)鉛粗選石灰用試驗2 油54+18+18g/t固定條件：硫酸鋅=5YN-l=6U+4Q*20g/t；鉛粗選石灰用量試驗結果見表一22表 23鉛粗選硫酸鋅用昭試端結果石灰用*g/t產品名稱產率品位回收孝%PbZnPbZn5000鉛粗精礦7.9926.217.7851.0913.11鉛尾礦92.012.184.

4、4848.9186.89原礦100.004j014.744100.00100.0010000鉗粗堵礦8.6038.815.0978.019.920HB鉗尾礦91.401.0343521.9990.08原礦100.004.2814.414100.00100.0015000鉛粗精礦8.4039.914.4783.768.8291.600.714.2416.2491.18庾礦100.004.0044.259100.00100.0020000偌粗精礦8J742.074.0284.057.54鉛尾礦91.830.7143915.95,92.46原礦100.004.0894.360100.00100.00

5、25000鉛粗料礦8.0542.804.0384.647.41鉛尾礦91.950.684.4015.3692.59原礦100.004.0704370100.00100.0030000鉛粗精礦8.1342.504.0784.877.38佑尾礦91.870.674.5215.1392.62原礦100.004.0714.483100.00100.00從鉛粗選石灰用量試驗結果可知：1、隨著石灰用幸艮的增加，鉛粗精礦的品位和回收率都增加，含鋅量降低；2、石灰用量以20000g/t為宜.(3)鉛粗選硫酸鋅用量試驗固定條件：石灰=20000g/t；YN-l-60+4Q*20g/t；才油=54+18+18g/

6、l；鉛租選硫酸鋅用量試驗結果見表一23ZnSCh用*"!產品名稱產率品位回吹率PbZnPbZn0鉛粗精礦7.4845.704.2083887.22鉗尾礦92.520.714.3616.1292.78»礦100.004.0754.348100.00100.002000(2000.0,0)田幺且精礦7.4045.754.2783.947.27留尾礦92.600.704.3516.0692.73瘵礦100.004.0344.344100.00100.004000(2000.1000.1000)鉛粗精礦7.2046.534.3683.56,7.07鉛尾礦92.800.714.451

7、6.4492.93原礦)00.004.0094.444100.00100.006000(4000,1000,1000)鉛粗精礦7.)546.904.4083.767.01鉛尾礦92.850.704.5016.24192.99康礦100.0040034.493100.00100.00砸酸鋅用愛試驗結果表明：當石灰改在球JS機中添加后，加紜不加硫酸鋅對鉛鋅分富越響不大.故在后續試驗，不再添加硫酸鋅.(4)鉛粗選YN“用試驗固定條件：石灰=20000g/t；2*油=54+18+18g/l；鉛粗選YN】用量試驗結更見表一24表.25鉛粗選2"油用最試驗結果YNU用繪g/t產品名稱產率品位回收

8、率PbZnPbZn70(40,20,10)鉛粗精礦6J345.663.5868.804.92鉛尾礦93.871354.5331.2095.08原礦100.004.074.47100.00100.00100(5030,20)鉛粗土胥礦7.0645.703.4180355351鉗尾礦92.940.854.5719.6594.65原礦100.004.024.49100.00100.00120(60,40,20)鉛粗精礦73845.M38383.70635鉛尾礦92.62。刀4.4616.3093.65原礦100.004.054.41100.00100.00140(80,40,20)鉛粗培礦7.974

9、2.414.0184.087.22鉛尾礦92.030.704.4715.9292.78原r100.004.024.43100.00)00.00170(90.50.30)鉛粗赭礦7.9842.03784297.45鉛尾礦92.020.694.4615.719255原礦1004.014.43100.00100.00鉛粗選YN1用量試驗結果表明；1、隨若YN-1用工的境加.鉛殂精礦問收率增加;2、YN用卷以120ga(60,40,20)較好;3、若綣續增加YN-1用量，鉛相精礦回收率不僅沒有明顯增加，鉛粗精礦品位明顯下降，含鋅增加。鉛粗選2油用量試驗固定條件：石灰=20000g/I；YN-l=60M

10、0A0ga：鉛粗選2泊用雖試驗結果見表一252,油用廈助產品名稱產率%品位回收率!PbZnPbZnj54餡粗將獷7.6644.684383.736.841鉛尾礦92.340.724.5616.2793J6廉礦100.004.0874.619100.00100.0063鉛粗稻礦7.8343.564.2683.917.42鉛尾礦92.170.714.5216.0992.58原礦100.004.0654.500】goo100.0012鉛粗精礦8.5440.1144483.88&17鉛尾礦91.460.724.5616.1291.83原礦100.004.0854.541100.00100.00

11、90鉛粗堵礦8.5340.1044784.398.47鉛尾礦91.470.694.5015.6191.53原礦100.004.0544496100.00100.00108鉛相精礦&5340.5443984.598.42蠟尾礦91.470.6844515.4191.58原礦100.004.0374.444100.00100.001式驗結果表明：鉛粗精礦2油用:&在54s90g/t范圍影響不大。3.2.3鉛精選條件試驗(1)鉛粗(Is口1)箱礦精選條件試驗鉛粗(I-III)精礦精選試驗條件流程見圖一4.圖一4鉛粗山）精礦精選條件試驗流程:2）鉛粗（I山）糟礦精選石灰用帑試驗固定條件

12、：YNJ=10+10g/t；2卻油=9+9gA；硫酸鋅=0;鉛粗（1川）精礦精選石灰用量試驗試驗結果見表一26。表一 27鉛祖(I-III)礦精選琉酸鋅用星試驗結果石灰用逮g/t產品務稱產率品位%回收率PbZnPbZn33.850,0鉛精礦69.0263.923.1496.7530.984.776.023.2546.15鉛粗精礦100.0045.604.03100.00100.00500,500鉛精礦66.2933.7165.013.066.2096.2149.275.0537950.73鉗組精礦100.0044.804.12100.00100.001000,1000鉗精礦65.3166.00

13、2.9595.8247.19鉛精尾34.695.436.234.1852.81鉛粗精礦100.0044.984.09100.00100.001500,1500怕精礦60.6469.602.6094.7938.9239.365.8963052)61.08鉛粗精礦100.0044.534.06100.00100.00鉛精選石灰用量試驗結果表明：1、小型試驗加不加石灰都能獲得鉛品位大于60%的鉛精礦，且不加石灰，鉛精選的作業回收率較高；2、但隨著石灰用量的增加，鉛精V品位提高；3、建議在生產上如果鉛精礦品位不合格或偏低，可適量補加石灰.(3)鉛粗(I-IU)糖礦精選硫酸鋅用試驗固定條件：石灰0：YN

14、-1-lO+lOgA；2,油工490”硫酸鋅：-鉛粗精礦精選硫酸鋅用量試驗結果見表一27r硫酸悴用量產品名稱產聿品位%回收率PbZnPbZn0,0鉛精礦69.0263.923.1496.7553.8530.984.776.023.2546.15鉛粗精礦100.0045.604.03100.00100.00I250,250鉛n礦68.3464.103.1396.7152.58鉛楓3L664.706.103.2947.42鉗:粗將礦100.0045.304.07100.00100.00500,500鉛希礦68.5664.013.1296.7452.32鉛秸尾31.444.726.2032647.6

15、8鉛粗精曠TOO0045.374.09100.00100.00)000,1000鉛融礦68.3964.053.1596.7352.3131.614.686.223.2747.69甸粗精獷)00.0045.284j1100.00100.00鉛柑選硫酸鋅用量試驗結果表明：硫酸鋅用堀對鉛精選效果影響不大，說明鉛精先作業不用添加硫酸鋅.(4)鉛粗(I-III)精礦精選YML2油用量試驗固定條件：石灰=0；硫酸鋅=0;鉛粗(I-in)精礦精選YNls2,油用量試驗結果見表一28表一 28鉛粗(1 Ml)精礦精選YN-1. 2油耳量試驗結果YNL2”油用哥臚產品名稱產軍品位%回收率PbZnPbZnYN-1

16、：(H0；12油，(H)；鉛粘礦69.5261.893.6596.2956.70鉛精尾30.485.446-363.7143J0鉛粗精礦100.0044.694.48100.00100.00YN-I：10*1012瀾(H0；70.1162323.3996.8354.97鉛糟尾29.894.776.513.1745.03鉗粗精礦100.0045.124.33100.00i00.00YN-h0+0：2仙9+9；鉗精礦69.8360.573.8496.6958.77鉛精尾30.174.796.2233141A3鉛粗將獷100.0043.754.56100.00100.00YN-1：血10：2%：39

17、；鉛精礦69.0263.923.1496.7553.85鉛犒尾30.984.776.023.2546.15鉛粗糟礦100.0045.604.03100.00100.00鉛粗(IsIU)精0梢選YNk2油用良試驗結果表明"在鉗梢選作業適當補加YN-1杠2。池，有利于提高鉛精礦品位.(6)鉛粗(IH1)精礦精選YNT,2油用試驗試驗流程如圖一5試驗結果見表一29o圖一5鉛粗（I+H）精礦精選試驗流程表一29鉛粗（1+口）精礦精選YNK2,油用就試驗結果YN1,2。油用童g/t產品名稱產率品位回收率PbZnPbZnYN-I：0+0：2”油：（H0：鉛精礦706362.772.9396.45

18、52.81鉗中礦29.375.546.2935547.19鉗相（1+口）100.0045.963.92100.00100.00YN1：10*10細0H）：鉗稠礦732761.853.0797.0758.75鉛中礦26.735J45.912.9341.25鉗粗（1+11）精獷100.0046.693.83100.00100.00YN-1：10+10才油：9+9：鉛禱礦72.8662.273.0297.285744鉛中礦27.144.696.022.7242.56鉛粗（I+II）赫礦100.0046.643.83100.00J00.00鉛粗（I+II）精礦精選YNk2f油用最試驗結果表明：鉛粗（I

19、、II）精礦合并精選，YNK才油用最對精選作業影響不大.農 30鉛粗(1 )精礦精選YNL 2油用卡試驗結果（7）鉛粗（I）精礦SI選YNT.2油用試驗試驗流程如圖一明試驗結果見表一30o圖-6卿（1）精礦精選試驗流程YN-1.2*泊用量g/t產品名稱產率品位%回收率PbZnPbZn鉛情礦70.5768.832.08936844.82YN-I：OH)；鉛中礦211.7121.306.464.8023.172油:(HO；鉗中礦117.724.46&9I1.5232.01鉛粗I精礦100.0051.85328100.00100.00鉛將礦76.6268.232.5496.3359.63YN

20、-h10+10鉛中礦28314.896.002.2915.292”油：0+0；陽中礦15.074.985.431.3825.08鉛鈕I將礦100.0054.27,3.27100.00100.00哥精礦73.5366.572.2095.7648.80YN-1；(HO；2,油：鉛中礦27.65!19.476322.9114.469+9；鉛中礦118.823636.461.3336.74鉛相I精礦100.0051.123.32)00.00100.00鉗埔礦76.7565.792.4197.8158.73YN-I：10*10：鉛中曠25.238.975.630.919.212油：9+9；*甘中礦I18

21、.023.685.631.2832.06I耦礦100.0051.623.15100.00100.00鉛S(1)耦礦精選YNk2油用量試驗結果表明：精選適量補加YN-1和才油.有利于粉精選作業回收率的提高。3.24.鋅粗選條件試驗(1)鋅粗選條件試驗流程(見圖一7)圖一7鋅粗選條件試驗流程鋅粗選硫酸銅用量試驗固定條件：丁黃藥，133+33+33g/t$YN2：45+27+18叭鋅粗選碩酸銅用量試驗結果見表一31表一 31梓粗選硫酸銅用殿試驗結果視酸鑰用量助產品名稱產率Zn島泣%Zn回收率個別累計個別累計個別累計1100鋅粗精礦15.5646.1154.971鋅粗將礦24.069.6241.124

22、4.0135.7390.70尾礦90.380.489.30鉛尾礦100.004.67100.00250鋅粗箱礦18.7448.3490.58鋅粗精礦：21.3110.0511.5843.553.2593.83尾礦89.950.326.17鉛用礦100.004.66100.00500鋅粗nr-i9.4544.9790.56鋅用精礦21.8011.258.8139.173.3993.95«礦88.750.326.05鉛足礦100.004.69100.00833鋅粗精礦9J845.8891.32鋅粗稽礦；22.0311.216.1238.622.6093.92M礦88.790.316.08

23、鉗尾獷100.004.61100.00鋅粗選硫酸銅用量試駿結果(表一31)表明：1、隨右硫酸銅用量的增加，鋅粗精礦J的品位的回收率都明顯提高；2、當硫酸銅用凰為250s500g/l時，分選效果最好；3、繼續增大硫酸銅用雖.鋅梢礦質雖下降.因此，硫酸例用量以250500人為宜。(3)鋅粗選丁黃藥用靈試驗固定條件：硫酸銅：500g/t；YN-2：45+27+18g/t鋅粗選丁黃藥用量試驗結果見茨一32o表一32鋅粗選丁黃藥用試驗金勺果丁黃藥用量g/tr產品名稱產率%Zn品位Zn回收率個別聚計個別累計個別累計10050*33+17)鋅粗精礦6.25(49.1066.85粹粗精礦-23.129.373

24、9.5245.9126.839368尾礦90.630326.32鉛尾礦100.004.59100.00125(75+33+17)粹粗精礦18J449.2189.66鋅粗精礦21.369.5013.3844.094.0693.72尾礦90.500316.28鉛尾礦100.004.4710000150100+33*17)鋅粗精礦8.5548.490.13鋅粗糟礦21.5210.0712.0842.934.0094.13尾礦89.930305.87鉛尾礦100.004.59100.00199(133+33+33)梓粗精9.4044.0890.791鋅粗HfiT-21.8011.208.8738.39

25、3.519430尾礦88.800.295.70鉛尾礦100.004.56100.00梓粗選丁黃藥用量試驗結果(表一32衣明：1、隨苕丁黃藥用值的增加，鋅祖精礦1的問收率明顯上升：2、當丁黃藥用盤為125(75+33+17)g/t時，分選效果較好，繼續增大丁貧藥用量，鋅精礦質量明顯下降。(4)鋅粗選YM2用量試驗固定條件：硫酸餛：500g/t；丁黃藥：125(75+33+17g/t鋅粗選YN-2用量試驗結果見表一33表-33鋅粗選YN-2用昴試驗統果YN2用量勸產品名稱產率Zn品位%Zn回收直啊個別累計個別累計個別霜計63(27+18+18)鋅祖精礦17.8851J85.20絆粗將礦21.489

26、.3626.8847338.6493.66尾礦90.640336.34鉛尾礦100.004.73100.0072(36+18+18)件粗精礦17.9751.6787.10鋅粗精礦21.449.4122.3147.186.779387尾r90.590326J3鉛尾礦100.004.73100.00181(45+18+18)鋅相精礦/8.0651.5587.55鋅相持礦21.459.5121.5046.906.5494.09尾礦90.490.315.91鉗尾礦100.004.74100.0090(54+18+18)鋅粗糟礦18J551.4288.03鋅粗精礦21.459.6120.0046.626

27、.0994.12尾礦90390.315.88餡尾礦100.004.76100.00鋅粗選YN-2用量試驗結果（表一33）表明：許粗選YN-2用址在72（36+18H8）g/t-8（45+18T8）束直范圍比較合適.（5）鋅粗（I）精礦精選丁黃藥、Y卜2用屋試驗鋅粗（I）精礦精選丁黃藥、YN2用量試驗工藝頁程見圖-8,試驗結果見衷一34o3. 2. 5全開路試驗<1Xff：YN-2：TmfiixYN-2：_-VW-hWIF件中r*2圖一&鋅粗(1)精礦精選丁黃藥、YN2用量試驗工藝流程八34鋅粗(I)精礦精選丁黃藥.YN-2用量試驗結果丁黃藥、YN-2用量產品名稱產率Zn品位%Zn

28、回收率個別累計個別累計個別累計丁黃藥：0,0YN2:0,0俾精礦43.6253.8245.70鋅中礦-236.4380.0552.8353.3737.4683.16鋅中礦119.95433716.84鋅粗(1)精礦100.005137)00.00丁黃藥0YN-2Q0鋅椿礦91.0154.1096.05鋅中礦：23.6994.7039.4853.532.8498.89鋅中礦15.3010.741.11鋅粗(D精礦100.0051.26100.00丁資藥:10.10YN-2A,9鋅精礦93.8851749849鋅中礦-21.5895.4624.4253.250.7699.25梓中礦14.54-0.

29、75鐸粗I)稍礦100.0051.22100.00梓粗(I)精礦精選丁黃藥.YN2用量試驗結果(表一36)衷明：鋅精選必須補加適量丁黃藥和YN-2、否則精選作業回收率太低。主礦樣全開路試驗主礦樣全開路試驗工藝流程見圖一9.試驗結果見表一35.2圖一9主礦樣、副礦樣全開路試驗工藝流程表一35主礦樣全開賂試驗結果產品名稱產率品位%回收率PbZnPbZn個別累計個別JRif個別索計個別紊計個別累計帝精礦4.9964.212.8179.913.06鉗精11尾0.335328.0260.735652.990.6480.550.413.47鉗精：思1.837.156.0046.727.004.012.74

30、83.292.796.26鋅精礦7490.9552.221.778532鋅將口屋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用礦84.260.6803214.295.89廉礦100.004.0114.584100.00100.00<2）副礦樣全開路試驗副礦樣全開路試驗流程同（主礦樣）圖一9,試驗結果見表一36。農一36副礦樣全開路試驗結果產品名稱產率品位%問收率P

31、bZnPbZn個別累計個別累計個別JRH-個別轂計個別累計,7.9265.212.5281.383.03鉛精II尾1.679.5980257.005.012.964.74,86.121.284.31鈕精尾2.5812.175.0345.988.024.042.0588.173.147.45鋅精礦J0.101.0552.301.6780.10梆柯11尾2.0012.101.231.0815.0146.130.392.064.5584.65鋅柯I昆2.6714.772.011.252.0538.170.852.910.8485.49鋅礦)3316.102121328.0435.680.443351

32、.6287.11尾獷71.730.750.508.485.44原曠100.006.3476.594100.00100.001326閉路試驗主礦樣小型閉路試驗工藝流程見圖一10,小型閉路數質量流程見圖一】小型閉路試驗結果見表一37.圖一】0主礦樣小型閉路試驗工藝7凡程I上礦樣小熨閉路試驗數質程兼潦程<r表一37主礦樣小型閉路試驗結果產品名稱產率%品位%回收桌PbZnAg(g/t)PbZnAg鉛精礦5.2063.242.88227182.0432872.S4鋅精礦&021.1551.391182.2589.965.56尾礦86.780.730.364015.716.762160原礦100004.0(4.58162100.00100.00100.00Wt?精礦含碎0.075%副礦樣小型閉路試驗副礦樣小型閉路試驗流程同（主礦樣圖一10。試驗結果見表一38。表一38副礦樣小型閉路試駿結果產品名稱產率品位%回收率PbZnAg(g4)PbZnAg鉛特礦8.6763.653.02231086.614.1180.99鋅精礦10.93,1.2551.561212j588.34