提高鎢礦鎢細(xì)泥鎢回收率的工業(yè)試驗(yàn)

1、提高鎢礦鎢細(xì)泥鎢回收率的工業(yè)試驗(yàn)工業(yè)試驗(yàn)流程的鈣細(xì)泥經(jīng)脫除址駅得鍛細(xì)泥后進(jìn)入浮選，在鉤鋼泥逸別作業(yè)前*配置有脫二粗二精閉路流程,浮選采用fi稱三掃閉路試驗(yàn)流程*細(xì)泥浮選粗稱礦經(jīng)離心選礦機(jī)精選亓獲得細(xì)泥錚精礦*鉤細(xì)泥匸業(yè)試驗(yàn)全流程見圖細(xì)泥給礦旋流如組射流浮是機(jī)丨臺(tái)對(duì)流浮建機(jī)1浮選機(jī)2槽探流器用礦02.5m攪拌桶02m攪拌桶02.5m攪拌能02m攪拌桶浮選機(jī)2椚/硫粗牯礦射流浮選機(jī)I臺(tái)射流浮選機(jī)1肉心機(jī)1臺(tái)細(xì)泥鑄精礦射流浮選機(jī)1浮選尾礦2浮選比4槽圖4.1鉤細(xì)泥匚業(yè)試驗(yàn)流程細(xì)泥預(yù)處理工業(yè)試驗(yàn)流程工業(yè)試驗(yàn)給礦礦樣為行洛坑苗礦主流程的原生和次生細(xì)泥，工業(yè)試驗(yàn)期間原生礦與風(fēng)化礦比例約為5:5。鈣細(xì)泥礦最

2、約為1250t/d,為減輕微泥對(duì)鉤細(xì)泥選別作業(yè)的影響.工業(yè)試齡采用旋流器組（型號(hào)FX150-PU-K*16.共16臺(tái).4臺(tái)備川）脫部分本來就難以回收的微泥，為鑄細(xì)泥選礦I業(yè)試驗(yàn)提供合適的給料。細(xì)泥預(yù)處理丁業(yè)試驗(yàn)流程見圖4.2o細(xì)泥給礦細(xì)泥給礦渣漿泵=p=旋流如組射流浮玆機(jī)1臺(tái)旋流掘溢流射流浮選機(jī)1臺(tái)射流浮選機(jī)1臺(tái)浮選B浮選機(jī)2槽浮選給礦（脫硫尾礦）圖4.2細(xì)泥預(yù)處理匸業(yè)試驗(yàn)流程浮選工業(yè)試驗(yàn)流程浮選工業(yè)試驗(yàn)采用fil三扌j浮選閉路試驗(yàn)流程及捕收力強(qiáng)、選擇性好的鑄礦組合捕收劑GYR+GYB，當(dāng)浮選給礦品位0.135%（W08）時(shí)，浮選閉路試驗(yàn)獲得品位6.56%（W0,）.回收率71.31%的鈣細(xì)泥

3、浮選精礦。浮選工業(yè)試驗(yàn)流程見圖4.3。浮選工業(yè)實(shí)驗(yàn)設(shè)備配置見圖4.4。浮選給礦（脫硫尾礦）02.5m攪卄桶02m攪rr桶O2.5m攪并桶02m攪扌丫M浮選權(quán)射流浮選機(jī)1臺(tái)射流浮選機(jī)1臺(tái)/射流浮選機(jī)1臺(tái)鈣浮選粘礦-4浮選機(jī)4槽/浮選尾礦圖4.3浮選匸業(yè)試驗(yàn)流程浮選給礦(脫硫尾礦)圖4.4浮選匸業(yè)實(shí)驗(yàn)設(shè)備配置重選工業(yè)試驗(yàn)流程為了進(jìn)-步提高細(xì)泥浮選鉤粕礦品位,業(yè)試驗(yàn)采用Sion離心選礦機(jī)進(jìn)一步精選。進(jìn)行一段離心選礦機(jī)工業(yè)試驗(yàn),離心選礦機(jī)尾礦品位高達(dá)3%(W05)o為了提高重選段鉤的回收率，增加一段離心選礦機(jī)打選作業(yè)。當(dāng)給礦(浮選精礦)含8.85%(WOJ時(shí)，粗打離心選礦機(jī)精礦合并品位22.29%(W

4、05),作業(yè)回收率86.78%aSLON離心選礦機(jī)主要參數(shù)：型號(hào)：01600*900：處理最：2.02.5t/h：沖水壓力：0.40.6Mpa；轉(zhuǎn)速：150200rpm：給礦時(shí)間:80s；電機(jī)功率：llkw<>鉤細(xì)泥重選一粗一打工業(yè)試驗(yàn)流程見圖4.5。鴨浮選持礦離心機(jī)1臺(tái)離心機(jī)1臺(tái)細(xì)泥鴇精礦掃選尾礦圖4.5鵠細(xì)泥重選匚業(yè)試驗(yàn)流程4.2生產(chǎn)調(diào)試與指標(biāo)生產(chǎn)流程各主要取樣點(diǎn)布董生產(chǎn)各主要取樣點(diǎn)布置見圖4.6。浮選給礦Ir>a02.5m攪并桶02m攪拌桶02.5m攪拌桶02m攪拌桶圖4.6鴨細(xì)泥I】業(yè)試驗(yàn)流程取樣分布圖生產(chǎn)流程中各取樣點(diǎn)的考查結(jié)果鉤細(xì)泥選礦試驗(yàn)規(guī)模（餌細(xì)泥浮選給礦量）

5、為1000t/d,鉤細(xì)泥浮選給礦濃度35%,鉤細(xì)泥尾礦濃度30%。鉤細(xì)泥給礦品位wa0.192%時(shí)，細(xì)泥鑄精礦品位W0,20.90%,苗細(xì)泥尾礦品位WQ0.065%,細(xì)泥鴨精礦理論回收率66.35%。浮選給礦（旋轉(zhuǎn)器沉砂）粒度姐成、金屬分布見表4.1。浮選梢礦粒度組成、金屬分布見表4.2浮選尾礦粒度組成、金屬分布見表4.3細(xì)泥鴿精礦（離心機(jī)粗掃精礦）粒度組成、金屬分布見表44。掃選擇離心機(jī)尾礦粒度組成、金屬分布見表4.5。細(xì)泥鉤回收全流程考查結(jié)果見表4.6。旋流器沉砂、浮選尾礦鉤物相檢測(cè)結(jié)果見表4.7。衣41浮選給礦（旋轉(zhuǎn)器沉砂）粒度組成、金屬分布產(chǎn)品名稱個(gè)別產(chǎn)率累計(jì)產(chǎn)率品位WO3%W6占有率

6、WO3累計(jì)占有率+0.07418.6618.660.0434.184.18+0.04323.5242.180.08710.6514.83+0.02034.2976.470.32057.1471.97+0.01013.2289.690.22015.1487.11-0.0101031100.000.24012.89100.00合計(jì)100.000.192100.00衷42浮選精礦粒度組成、.金屬分布產(chǎn)品名稱個(gè)別產(chǎn)率累計(jì)產(chǎn)率品位WO3%W6占有率WO3累計(jì)占有率+0.0747.527.523323.883.88+0.04314.4822.012.876.4510.33+0.020563678.378.

7、27723682.69+0.01012.8491.216.3512.669535-0.0108.79100.003.414.65100.00合計(jì)100.006.442100.00衷43浮選尾礦粒度組成、.金屬分布產(chǎn)品名稱個(gè)別產(chǎn)率累計(jì)產(chǎn)率品位WO3%W6占有率WO3累計(jì)占有率+0.07423.2723.270.0238.298.29+0.04322.3045.570.04214.5022.79+0.02033.5479.110.08343.1065.89+0.01011.7890.890.07112.9578.84-0.01091100.000.15021.16100.00合計(jì)100.000.0

8、65100.00衣44細(xì)泥磚精礦（離心機(jī)粗掃精礦）粒度組成、金屬分布產(chǎn)品名稱個(gè)別產(chǎn)率累計(jì)產(chǎn)率品位WOj%W6占有率WO3累計(jì)占有率+0.07414.0514.0516.4911.0911.09+0.04311.0525.1013.347.0618.14+0.02057.5682.66253469.8087.94+0.01013.1595.8117.0310.7298.66-0.01049100.006.691.M100.00合計(jì)100.0020.897100.00農(nóng)4.5掃選擇離心機(jī)尾礦粒度組成、金屬分布產(chǎn)晶名稱個(gè)別產(chǎn)率累計(jì)產(chǎn)率品位wo3%WO3占有率WO3累計(jì)占有半+0.0745.965.9

9、61.3503.513.51+0.04313.7619.711.5209212.62+0.02048.3468.062.24047.2059.82+0.01017.5285.573.26024.8984.72-0.01014.43100.002.43015.28100.00合計(jì)100.002.294100.00*4.6細(xì)泥鉤回收全流程乂金結(jié)果產(chǎn)品名稱產(chǎn)率WOj%回收率細(xì)淤轉(zhuǎn)粘礦0.6120.9066.35浮選尾礦99390.06533.65浮選給礦100.00.192100.00衣4.7旋流為沉砂、浮選兄礦軻物相檢測(cè)糾果產(chǎn)品名稱-wo3白磚占有率黑磚WO3占冇率銬華WO占有率合計(jì)旋流器沉砂0.

10、08646.190.09349.950.00723.870.186浮選尾礦0.03147.260.03248.780.00263.960.0664.23連續(xù)生產(chǎn)30天綜合指標(biāo)連續(xù)生產(chǎn)30犬浮選生產(chǎn)指標(biāo)見表4.8。連續(xù)生產(chǎn)30犬離心選礦機(jī)粗打選生產(chǎn)指標(biāo)見農(nóng)1.9o細(xì)泥鉤精礦餌品位及主耍雜質(zhì)分析結(jié)來見表4.10o衣4.8連續(xù)生產(chǎn)30天浮選指標(biāo)時(shí)間浮選給礦W0,(%)浮選尾礦wa(%)細(xì)泥鵠精砂wo»(%)回收率(對(duì)浮選給礦)wo5(%)4.260.2110.06334.3770.274.270.1330.10717.3719.674.280.1570.05820.7363.234.290

11、.1810.11122.1638.874.300.1180.08619.9327.245.10.1420.12420.1312.755.20.2390.10021.0358.445.30.2960.08919.5570.255.40.1510.08520.9143.895.50.1680.04022.9076.325.60.1510.05715.0862.495.70.2200.07113.7068.085.80.2780.10525.1162.495.90.3230.07021.2378.595.100.2730.19927.0127.315.110.3130.04019.3587.40時(shí)間

12、浮選給礦103(%)浮選尾礦103(%)細(xì)泥鑄精礦103(%)回收率(對(duì)浮選給礦)W03(%)5.120.2150.04524.5979.215.130.1500.03933.8574.095.140.1660.05618.6466.465.150.1620.06917.0157.645.160.1670.03314.4580.425.170.1230.04813.7861.195.180.1540.03521.3977.405.190.1490.04817.0467.985.200.1350.02726.6180.085.210.2090.05525.2873.815.220.1620.02

13、819.5382.835.230.1270.02516.6580.445.240.1460.03618.0175.49平均0.1870.06720.9462.91農(nóng)4.9連續(xù)生產(chǎn)30天離心機(jī)粗掃選生產(chǎn)折標(biāo)時(shí)間粗選離心選礦機(jī)給礦(浮選粗精礦)掃選礦機(jī)離心機(jī)尼r10.(%)離心選礦機(jī)精礦(細(xì)泥鉤精礦)wo3(%)離心選礦機(jī)作業(yè)何收率WOs(%)4.269.442.5034.3779.254.278.781.9617.3787.534.2815.062.2720.7395.384.297.671.7522.1683.774.309.372.2319.9385.815.17.152.3320.1376

14、.285.28.931.3021.0391.075.36.651.5319.5583.535.45.281.8420.9171.535.55.671.4722.9079.165.64.631.5815.0873.645.75.711.7613.7079.345.89.063.5125.1171.215.910.282.4621.2386.055.108.533.5327.0167.435.119.922.2119.3587.785.128.652.5224.5978945.1310.352.8533.8579.175.145.032.0718.6466.205.157.712.4117.0180.065.165.771.8214.4578.345.174.671.4313.7877.49時(shí)何粗選離心選礦機(jī)給礦(浮選粗精礦)*03(%)掃選礦機(jī)離心機(jī)尾礦103(%)離心選礦機(jī)精礦(細(xì)泥餡梢礦)03(%)離心選