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A kind of silver concentrate in Henan Province has the associated lead therein with an average grade around 7%, lower than the grade for pricing. A classification test was conducted with a hydrocyclone for the silver concentrate, and effects of parameters, including cone angle, underflow orifice diameter, and angle-cone ratio, on the classification and concentration of silver concentrate were explored. It is found that by adopting a 100 model hydrocyclone with cone angle of 60°, feed in a mass fraction of 13.89% to be fed at the pressure of 0.2 MPa, overflow pipe of 22 mm in diameter, and the underflow orifice of 12 mm in diameter, a high-lead silver concentrate grading 6316.29 g/t Ag and 12.39% Pb can be obtained at corresponding recoveries of 79.06% Ag and 79.45% Pb, with a yield of 49.25%; meanwhile, a low-lead silver concentrate with silver grade of 1 623.36 g/t can be obtained. This processing technique can obtain both high-and low-lead silver concentrate at the same time, leading to the economic value of the silver concentrate improved by 687.96 Yuan per ton.
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河南某银精矿的伴生金属铅品位平均约7%,未达到计价标准。为提高银精矿综合价值,对银精矿产品开展了水力旋流器分级试验,考察了水力旋流器锥角、沉砂口直径、角锥比等参数对银精矿分级富集的影响。结果表明:采用100型水力旋流器,在锥角60°、给矿压力0.2 MPa、给矿浓度(质量分数)13.89%、溢流管直径22 mm、沉砂口直径12 mm条件下,可从银精矿中分离出产率49.25%、银品位6 316.29 g/t、银金属回收率79.06%、铅品位12.39%、铅金属回收率79.45%的高铅银精矿和银品位1 623.36 g/t的低铅银精矿。高、低铅银精矿双产品方案优于单一银精矿方案,银精矿产品经济价值可提升687.96元/t。
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1.武汉科技大学 资源与环境工程学院,湖北 武汉 430081, bio={"content":"
王宇思(2000—),女,湖北荆州人,硕士研究生,主要研究方向为磨矿分级工艺与装备。E-mail:1321382154@qq.com
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王宇思(2000—),女,湖北荆州人,硕士研究生,主要研究方向为磨矿分级工艺与装备。E-mail:1321382154@qq.com
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1.College of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1240651358827769968, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, authorId=1240651358571917407, language=CN, stringName=崔瑞, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.武汉科技大学 资源与环境工程学院,湖北 武汉 430081)])]), Author(id=1240651358932627581, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1240651359079428237, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, authorId=1240651358932627581, language=EN, stringName=Jingmin SUN, firstName=Jingmin, middleName=null, lastName=SUN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3.Henan Province Rock and Mineral Testing Center, Zhengzhou 450014, Henan, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1240651359184285848, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, authorId=1240651358932627581, language=CN, stringName=孙景敏, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3.河南省岩石矿物测试中心,河南 郑州 450014, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1240651357493982189, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, xref=3., ext=[AuthorCompanyExt(id=1240651357506565104, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, companyId=1240651357493982189, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Centrifugal hydraulic analyzer with seven products, figureFileSmall=VOQtF704S/Crx1jhFym5pw==, figureFileBig=pBy6YEJkpXmflc3nMRci0A==, tableContent=null), ArticleFig(id=1240651363294704010, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=CN, label=图1, caption=
七产品离心水析仪, figureFileSmall=VOQtF704S/Crx1jhFym5pw==, figureFileBig=pBy6YEJkpXmflc3nMRci0A==, tableContent=null), ArticleFig(id=1240651363542167960, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=EN, label=Table 1, caption=
Chemical multielement analysis results of silver concentrate
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ag1) | Cu | Pb | Zn | SiO2 | Na2O | K2O |
| 3 744.44 | 0.62 | 7.04 | 0.35 | 45.96 | 1.31 | 3.41 |
| Fe2O3 | Al2O3 | MgO | TiO2 | TC | Au1) | S |
| 14.02 | 14.53 | 3.86 | 1.15 | 0.60 | 0.34 | 0.125 |
), ArticleFig(id=1240651363642831263, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=CN, label=表1, caption=
银精矿化学多元素分析结果(质量分数)
, figureFileSmall=null, figureFileBig=null, tableContent=
| Ag1) | Cu | Pb | Zn | SiO2 | Na2O | K2O |
| 3 744.44 | 0.62 | 7.04 | 0.35 | 45.96 | 1.31 | 3.41 |
| Fe2O3 | Al2O3 | MgO | TiO2 | TC | Au1) | S |
| 14.02 | 14.53 | 3.86 | 1.15 | 0.60 | 0.34 | 0.125 |
), ArticleFig(id=1240651363760271785, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=EN, label=Table 2, caption=
Particle size composition determined by screening method and Pb metal distribution rate
, figureFileSmall=null, figureFileBig=null, tableContent=
| 粒级/mm | 粒级产率/% | 粒级Pb品位/% | 正累计Pb品位/% | Pb金属分布率/% |
|---|
| +0.074 | 9.90 | 6.79 | 6.79 | 8.52 |
| -0.074+0.038 | 6.69 | 14.12 | 9.75 | 11.98 |
| -0.038+0.018 | 4.03 | 16.88 | 11.14 | 8.63 |
| -0.018 | 79.38 | 7.04 | 7.89 | 70.87 |
| 合计 | 100.00 | 7.89 | — | 100.00 |
), ArticleFig(id=1240651363890295217, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=CN, label=表2, caption=
筛分法测得的矿样粒度组成及Pb金属分布率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 粒级/mm | 粒级产率/% | 粒级Pb品位/% | 正累计Pb品位/% | Pb金属分布率/% |
|---|
| +0.074 | 9.90 | 6.79 | 6.79 | 8.52 |
| -0.074+0.038 | 6.69 | 14.12 | 9.75 | 11.98 |
| -0.038+0.018 | 4.03 | 16.88 | 11.14 | 8.63 |
| -0.018 | 79.38 | 7.04 | 7.89 | 70.87 |
| 合计 | 100.00 | 7.89 | — | 100.00 |
), ArticleFig(id=1240651364016124351, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=EN, label=Table 3, caption=
Particle size composition determined by centrifugal sedimentation and Pb metal distribution rate
, figureFileSmall=null, figureFileBig=null, tableContent=
| 产品编号 | 产率/% | 铅品位/% | 正累计品位/% | 金属分布率/% |
|---|
| C1 | 22.67 | 14.50 | 14.50 | 42.61 |
| C2 | 2.65 | 15.30 | 14.58 | 5.26 |
| C3 | 7.36 | 14.25 | 14.51 | 13.60 |
| C4 | 6.18 | 12.21 | 14.14 | 9.78 |
| C5 | 4.42 | 11.27 | 13.85 | 6.46 |
| C6 | 5.89 | 7.97 | 13.15 | 6.09 |
| C7 | 50.83 | 2.46 | 7.71 | 16.20 |
| 合计 | 100.00 | 7.71 | — | 100.00 |
), ArticleFig(id=1240651364175507911, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=CN, label=表3, caption=
离心沉降法测得的矿样粒度组成及铅金属分布率
, figureFileSmall=null, figureFileBig=null, tableContent=
| 产品编号 | 产率/% | 铅品位/% | 正累计品位/% | 金属分布率/% |
|---|
| C1 | 22.67 | 14.50 | 14.50 | 42.61 |
| C2 | 2.65 | 15.30 | 14.58 | 5.26 |
| C3 | 7.36 | 14.25 | 14.51 | 13.60 |
| C4 | 6.18 | 12.21 | 14.14 | 9.78 |
| C5 | 4.42 | 11.27 | 13.85 | 6.46 |
| C6 | 5.89 | 7.97 | 13.15 | 6.09 |
| C7 | 50.83 | 2.46 | 7.71 | 16.20 |
| 合计 | 100.00 | 7.71 | — | 100.00 |
), ArticleFig(id=1240651364267782610, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=EN, label=Table 4, caption=
Influence of cyclone cone angle on classification
, figureFileSmall=null, figureFileBig=null, tableContent=
| 锥角/(°) | 产品名称 | 浓度/% | 产率/% | Pb品位/% | Ag品位/(g·t-1) | 回收率/% |
|---|
| Pb | Ag |
|---|
| 10 | 溢流 | 8.34 | 55.60 | 2.70 | 1 490.66 | 22.41 | 22.86 |
| 沉砂 | 35.23 | 44.40 | 11.71 | 6 299.10 | 77.59 | 77.14 |
| 给矿 | 12.88 | 100.00 | 6.70 | 3 625.37 | 100.00 | 100.00 |
| 60 | 溢流 | 8.56 | 51.82 | 2.87 | 1 762.67 | 21.52 | 26.99 |
| 沉砂 | 26.95 | 48.18 | 12.26 | 5 129.31 | 78.48 | 73.01 |
| 给矿 | 12.75 | 100.00 | 6.91 | 3 384.55 | 100.00 | 100.00 |
| 90 | 溢流 | 9.84 | 74.11 | 4.19 | 1 847.34 | 49.21 | 43.70 |
| 沉砂 | 45.04 | 25.89 | 12.38 | 6 813.42 | 50.79 | 56.30 |
| 给矿 | 12.70 | 100.00 | 6.31 | 3 132.82 | 100.00 | 100.00 |
| 120 | 溢流 | 9.97 | 71.25 | 4.35 | 1 655.04 | 46.47 | 38.65 |
| 沉砂 | 41.77 | 28.75 | 12.42 | 6 511.76 | 53.53 | 61.35 |
| 给矿 | 12.88 | 100.00 | 6.67 | 3 051.27 | 100.00 | 100.00 |
| 180 | 溢流 | 10.00 | 75.33 | 4.83 | 2 192.11 | 54.30 | 52.05 |
| 沉砂 | 48.03 | 24.67 | 12.41 | 6 167.41 | 45.70 | 47.95 |
| 给矿 | 12.88 | 100.00 | 6.70 | 3 172.82 | 100.00 | 100.00 |
), ArticleFig(id=1240651364376834523, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=CN, label=表4, caption=
旋流器锥角对分级效果的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
| 锥角/(°) | 产品名称 | 浓度/% | 产率/% | Pb品位/% | Ag品位/(g·t-1) | 回收率/% |
|---|
| Pb | Ag |
|---|
| 10 | 溢流 | 8.34 | 55.60 | 2.70 | 1 490.66 | 22.41 | 22.86 |
| 沉砂 | 35.23 | 44.40 | 11.71 | 6 299.10 | 77.59 | 77.14 |
| 给矿 | 12.88 | 100.00 | 6.70 | 3 625.37 | 100.00 | 100.00 |
| 60 | 溢流 | 8.56 | 51.82 | 2.87 | 1 762.67 | 21.52 | 26.99 |
| 沉砂 | 26.95 | 48.18 | 12.26 | 5 129.31 | 78.48 | 73.01 |
| 给矿 | 12.75 | 100.00 | 6.91 | 3 384.55 | 100.00 | 100.00 |
| 90 | 溢流 | 9.84 | 74.11 | 4.19 | 1 847.34 | 49.21 | 43.70 |
| 沉砂 | 45.04 | 25.89 | 12.38 | 6 813.42 | 50.79 | 56.30 |
| 给矿 | 12.70 | 100.00 | 6.31 | 3 132.82 | 100.00 | 100.00 |
| 120 | 溢流 | 9.97 | 71.25 | 4.35 | 1 655.04 | 46.47 | 38.65 |
| 沉砂 | 41.77 | 28.75 | 12.42 | 6 511.76 | 53.53 | 61.35 |
| 给矿 | 12.88 | 100.00 | 6.67 | 3 051.27 | 100.00 | 100.00 |
| 180 | 溢流 | 10.00 | 75.33 | 4.83 | 2 192.11 | 54.30 | 52.05 |
| 沉砂 | 48.03 | 24.67 | 12.41 | 6 167.41 | 45.70 | 47.95 |
| 给矿 | 12.88 | 100.00 | 6.70 | 3 172.82 | 100.00 | 100.00 |
), ArticleFig(id=1240651364502663654, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=EN, label=Table 5, caption=
Influence of underflow orifice diameter of cyclone on classification
, figureFileSmall=null, figureFileBig=null, tableContent=
| 沉砂口直径/mm | 产品名称 | 浓度/% | 产率/% | Pb品位/% | Ag品位/(g·t-1) | 回收率/% |
|---|
| Pb | Ag |
|---|
| 8 | 溢流 | 9.46 | 61.67 | 3.05 | 1 581.74 | 25.32 | 27.66 |
| 沉砂 | 57.75 | 38.33 | 14.47 | 6 655.99 | 74.68 | 72.34 |
| 给矿 | 13.92 | 100.00 | 7.43 | 3 526.71 | 100.00 | 100.00 |
| 12 | 溢流 | 9.18 | 50.75 | 3.11 | 1 623.36 | 20.55 | 20.94 |
| 沉砂 | 29.45 | 49.25 | 12.39 | 6 316.29 | 79.45 | 79.06 |
| 给矿 | 13.89 | 100.00 | 7.68 | 3 934.48 | 100.00 | 100.00 |
| 14 | 溢流 | 9.06 | 44.77 | 3.06 | 1 645.60 | 18.02 | 20.66 |
| 沉砂 | 24.58 | 55.23 | 11.28 | 5 122.20 | 81.98 | 79.34 |
| 给矿 | 13.91 | 100.00 | 7.60 | 3 565.87 | 100.00 | 100.00 |
| 16 | 溢流 | 9.04 | 39.36 | 3.13 | 1 651.16 | 16.29 | 18.48 |
| 沉砂 | 21.35 | 60.64 | 10.44 | 4 728.03 | 83.71 | 81.52 |
| 给矿 | 13.90 | 100.00 | 7.56 | 3 517.08 | 100.00 | 100.00 |
), ArticleFig(id=1240651364628492780, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=CN, label=表5, caption=
旋流器沉砂口直径对分级效果的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
| 沉砂口直径/mm | 产品名称 | 浓度/% | 产率/% | Pb品位/% | Ag品位/(g·t-1) | 回收率/% |
|---|
| Pb | Ag |
|---|
| 8 | 溢流 | 9.46 | 61.67 | 3.05 | 1 581.74 | 25.32 | 27.66 |
| 沉砂 | 57.75 | 38.33 | 14.47 | 6 655.99 | 74.68 | 72.34 |
| 给矿 | 13.92 | 100.00 | 7.43 | 3 526.71 | 100.00 | 100.00 |
| 12 | 溢流 | 9.18 | 50.75 | 3.11 | 1 623.36 | 20.55 | 20.94 |
| 沉砂 | 29.45 | 49.25 | 12.39 | 6 316.29 | 79.45 | 79.06 |
| 给矿 | 13.89 | 100.00 | 7.68 | 3 934.48 | 100.00 | 100.00 |
| 14 | 溢流 | 9.06 | 44.77 | 3.06 | 1 645.60 | 18.02 | 20.66 |
| 沉砂 | 24.58 | 55.23 | 11.28 | 5 122.20 | 81.98 | 79.34 |
| 给矿 | 13.91 | 100.00 | 7.60 | 3 565.87 | 100.00 | 100.00 |
| 16 | 溢流 | 9.04 | 39.36 | 3.13 | 1 651.16 | 16.29 | 18.48 |
| 沉砂 | 21.35 | 60.64 | 10.44 | 4 728.03 | 83.71 | 81.52 |
| 给矿 | 13.90 | 100.00 | 7.56 | 3 517.08 | 100.00 | 100.00 |
), ArticleFig(id=1240651364741738995, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=EN, label=Table 6, caption=
Influence of cyclone angle-cone ratio on classification
, figureFileSmall=null, figureFileBig=null, tableContent=
| 角锥比 | 产品名称 | 浓度/% | 产率/% | Pb品位/% | Ag品位/(g·t-1) | 回收率/% |
|---|
| Pb | Ag |
|---|
| 0.417(10/24) | 溢流 | 8.47 | 62.67 | 2.74 | 1 602.19 | 26.79 | 28.32 |
| 沉砂 | 37.15 | 37.33 | 12.57 | 6 447.97 | 73.21 | 71.68 |
| 给矿 | 12.76 | 100.00 | 6.41 | 3 472.93 | 100.00 | 100.00 |
| 0.455(10/22) | 溢流 | 8.58 | 61.39 | 2.59 | 1 556.23 | 25.24 | 29.21 |
| 沉砂 | 40.41 | 38.61 | 12.20 | 6 331.14 | 74.76 | 70.79 |
| 给矿 | 12.76 | 100.00 | 6.30 | 3 338.93 | 100.00 | 100.00 |
| 0.462(12/26) | 溢流 | 8.52 | 60.03 | 3.11 | 1 740.76 | 33.5 | 35.79 |
| 沉砂 | 36.48 | 39.97 | 12.00 | 6 069.10 | 66.5 | 64.21 |
| 给矿 | 12.88 | 100.00 | 6.13 | 3 211.13 | 100.00 | 100.00 |
| 0.500(12/24) | 溢流 | 8.32 | 58.85 | 2.86 | 1 666.73 | 26.42 | 28.76 |
| 沉砂 | 30.44 | 41.15 | 11.39 | 5 905.64 | 73.58 | 71.24 |
| 给矿 | 12.69 | 100.00 | 6.37 | 3 410.99 | 100.00 | 100.00 |
), ArticleFig(id=1240651364821430777, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=CN, label=表6, caption=
旋流器角锥比对分级效果的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
| 角锥比 | 产品名称 | 浓度/% | 产率/% | Pb品位/% | Ag品位/(g·t-1) | 回收率/% |
|---|
| Pb | Ag |
|---|
| 0.417(10/24) | 溢流 | 8.47 | 62.67 | 2.74 | 1 602.19 | 26.79 | 28.32 |
| 沉砂 | 37.15 | 37.33 | 12.57 | 6 447.97 | 73.21 | 71.68 |
| 给矿 | 12.76 | 100.00 | 6.41 | 3 472.93 | 100.00 | 100.00 |
| 0.455(10/22) | 溢流 | 8.58 | 61.39 | 2.59 | 1 556.23 | 25.24 | 29.21 |
| 沉砂 | 40.41 | 38.61 | 12.20 | 6 331.14 | 74.76 | 70.79 |
| 给矿 | 12.76 | 100.00 | 6.30 | 3 338.93 | 100.00 | 100.00 |
| 0.462(12/26) | 溢流 | 8.52 | 60.03 | 3.11 | 1 740.76 | 33.5 | 35.79 |
| 沉砂 | 36.48 | 39.97 | 12.00 | 6 069.10 | 66.5 | 64.21 |
| 给矿 | 12.88 | 100.00 | 6.13 | 3 211.13 | 100.00 | 100.00 |
| 0.500(12/24) | 溢流 | 8.32 | 58.85 | 2.86 | 1 666.73 | 26.42 | 28.76 |
| 沉砂 | 30.44 | 41.15 | 11.39 | 5 905.64 | 73.58 | 71.24 |
| 给矿 | 12.69 | 100.00 | 6.37 | 3 410.99 | 100.00 | 100.00 |
), ArticleFig(id=1240651364917899778, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=EN, label=Table 7, caption=
Influence of cyclone feed concentration on classification
, figureFileSmall=null, figureFileBig=null, tableContent=
| 给矿浓度/% | 产品名称 | 浓度/% | 产率/% | Pb品位/% | Ag品位/(g·t-1) | 回收率/% |
|---|
| Pb | Ag |
|---|
| 15.69 | 溢流 | 10.49 | 50.23 | 2.95 | 1 823.83 | 20.68 | 25.08 |
| 沉砂 | 31.39 | 49.77 | 11.42 | 5 497.11 | 79.32 | 74.92 |
| 给矿 | 15.69 | 100.00 | 7.17 | 3 652.17 | 100.00 | 100.00 |
| 10.47 | 溢流 | 6.59 | 48.69 | 3.03 | 1 689.93 | 20.45 | 23.22 |
| 沉砂 | 23.80 | 51.31 | 11.19 | 5 303.48 | 79.55 | 76.78 |
| 给矿 | 10.47 | 100.00 | 7.22 | 3 543.90 | 100.00 | 100.00 |
| 9.76 | 溢流 | 6.33 | 50.49 | 2.71 | 1 608.92 | 20.00 | 23.25 |
| 沉砂 | 21.81 | 49.51 | 11.05 | 5 415.81 | 80.00 | 76.75 |
| 给矿 | 9.76 | 100.00 | 6.84 | 3 493.86 | 100.00 | 100.00 |
| 6.74 | 溢流 | 4.48 | 53.45 | 2.89 | 1 664.50 | 22.83 | 26.40 |
| 沉砂 | 16.03 | 46.55 | 11.22 | 5 328.42 | 77.17 | 73.60 |
| 给矿 | 6.74 | 100.00 | 6.77 | 3 369.96 | 100.00 | 100.00 |
| 3.81 | 溢流 | 2.62 | 57.27 | 2.77 | 1 637.80 | 24.77 | 28.01 |
| 沉砂 | 9.83 | 42.73 | 11.28 | 5 641.32 | 75.23 | 71.99 |
| 给矿 | 3.81 | 100.00 | 6.41 | 3 348.35 | 100.00 | 100.00 |
), ArticleFig(id=1240651365043728905, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=CN, label=表7, caption=
旋流器给矿浓度对分级效果的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
| 给矿浓度/% | 产品名称 | 浓度/% | 产率/% | Pb品位/% | Ag品位/(g·t-1) | 回收率/% |
|---|
| Pb | Ag |
|---|
| 15.69 | 溢流 | 10.49 | 50.23 | 2.95 | 1 823.83 | 20.68 | 25.08 |
| 沉砂 | 31.39 | 49.77 | 11.42 | 5 497.11 | 79.32 | 74.92 |
| 给矿 | 15.69 | 100.00 | 7.17 | 3 652.17 | 100.00 | 100.00 |
| 10.47 | 溢流 | 6.59 | 48.69 | 3.03 | 1 689.93 | 20.45 | 23.22 |
| 沉砂 | 23.80 | 51.31 | 11.19 | 5 303.48 | 79.55 | 76.78 |
| 给矿 | 10.47 | 100.00 | 7.22 | 3 543.90 | 100.00 | 100.00 |
| 9.76 | 溢流 | 6.33 | 50.49 | 2.71 | 1 608.92 | 20.00 | 23.25 |
| 沉砂 | 21.81 | 49.51 | 11.05 | 5 415.81 | 80.00 | 76.75 |
| 给矿 | 9.76 | 100.00 | 6.84 | 3 493.86 | 100.00 | 100.00 |
| 6.74 | 溢流 | 4.48 | 53.45 | 2.89 | 1 664.50 | 22.83 | 26.40 |
| 沉砂 | 16.03 | 46.55 | 11.22 | 5 328.42 | 77.17 | 73.60 |
| 给矿 | 6.74 | 100.00 | 6.77 | 3 369.96 | 100.00 | 100.00 |
| 3.81 | 溢流 | 2.62 | 57.27 | 2.77 | 1 637.80 | 24.77 | 28.01 |
| 沉砂 | 9.83 | 42.73 | 11.28 | 5 641.32 | 75.23 | 71.99 |
| 给矿 | 3.81 | 100.00 | 6.41 | 3 348.35 | 100.00 | 100.00 |
), ArticleFig(id=1240651365161169425, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=EN, label=Table 8, caption=
Influence of cyclone feed pressure on classification
, figureFileSmall=null, figureFileBig=null, tableContent=
| 给矿压力/MPa | 产品名称 | 浓度/% | 产率/% | Pb品位/% | Ag品位/(g·t-1) | 回收率/% |
|---|
| Pb | Ag |
|---|
| 0.30 | 溢流 | 8.40 | 51.81 | 2.71 | 1 609.38 | 21.26 | 26.02 |
| 沉砂 | 28.74 | 48.19 | 10.79 | 4 918.76 | 78.74 | 73.98 |
| 给矿 | 12.75 | 100.00 | 6.60 | 3 204.21 | 100.00 | 100.00 |
| 0.20 | 溢流 | 8.56 | 51.82 | 2.87 | 1 762.67 | 21.52 | 26.99 |
| 沉砂 | 26.95 | 48.18 | 11.26 | 5 129.31 | 78.48 | 73.01 |
| 给矿 | 12.75 | 100.00 | 6.91 | 3 384.55 | 100.00 | 100.00 |
| 0.15 | 溢流 | 8.71 | 52.64 | 3.20 | 1 780.90 | 24.31 | 27.96 |
| 沉砂 | 26.28 | 47.36 | 11.07 | 5 098.29 | 75.69 | 72.04 |
| 给矿 | 12.75 | 100.00 | 6.93 | 3 352.14 | 100.00 | 100.00 |
| 0.10 | 溢流 | 8.91 | 53.24 | 3.43 | 1 841.79 | 26.50 | 27.54 |
| 沉砂 | 25.03 | 46.76 | 10.83 | 5 515.89 | 73.50 | 72.46 |
| 给矿 | 12.75 | 100.00 | 6.89 | 3 559.87 | 100.00 | 100.00 |
), ArticleFig(id=1240651365261832729, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=CN, label=表8, caption=
旋流器给矿压力对分级效果的影响
, figureFileSmall=null, figureFileBig=null, tableContent=
| 给矿压力/MPa | 产品名称 | 浓度/% | 产率/% | Pb品位/% | Ag品位/(g·t-1) | 回收率/% |
|---|
| Pb | Ag |
|---|
| 0.30 | 溢流 | 8.40 | 51.81 | 2.71 | 1 609.38 | 21.26 | 26.02 |
| 沉砂 | 28.74 | 48.19 | 10.79 | 4 918.76 | 78.74 | 73.98 |
| 给矿 | 12.75 | 100.00 | 6.60 | 3 204.21 | 100.00 | 100.00 |
| 0.20 | 溢流 | 8.56 | 51.82 | 2.87 | 1 762.67 | 21.52 | 26.99 |
| 沉砂 | 26.95 | 48.18 | 11.26 | 5 129.31 | 78.48 | 73.01 |
| 给矿 | 12.75 | 100.00 | 6.91 | 3 384.55 | 100.00 | 100.00 |
| 0.15 | 溢流 | 8.71 | 52.64 | 3.20 | 1 780.90 | 24.31 | 27.96 |
| 沉砂 | 26.28 | 47.36 | 11.07 | 5 098.29 | 75.69 | 72.04 |
| 给矿 | 12.75 | 100.00 | 6.93 | 3 352.14 | 100.00 | 100.00 |
| 0.10 | 溢流 | 8.91 | 53.24 | 3.43 | 1 841.79 | 26.50 | 27.54 |
| 沉砂 | 25.03 | 46.76 | 10.83 | 5 515.89 | 73.50 | 72.46 |
| 给矿 | 12.75 | 100.00 | 6.89 | 3 559.87 | 100.00 | 100.00 |
), ArticleFig(id=1240651365345718812, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=EN, label=Table 9, caption=
Pricing coefficients of silver
, figureFileSmall=null, figureFileBig=null, tableContent=
| 2#银价格/(元·g-1) | 不同Ag品位(g/t)精矿的计价系数/% |
|---|
| [1000,1500) | [1500,2000) | [2000,2500) | [2500,3000) | [3000,3500) | [3500,4000) | [4000,4500) | [4500,5000) | [5000,5500) | [5500,6000) | [6000,∞) |
|---|
| [3.50,4.00) | 68.7 | 71.7 | 73.7 | 75.7 | 77.2 | 79.2 | 81.2 | 82.2 | 83.2 | 84.0 | 84.3 |
| [4.00,4.50) | 72.7 | 75.7 | 77.7 | 79.7 | 81.2 | 82.2 | 83.2 | 84.2 | 85.2 | 86.0 | 86.3 |
| [4.50,5.00) | 74.2 | 77.2 | 79.7 | 82.2 | 83.2 | 84.2 | 85.2 | 86.2 | 87.2 | 88.0 | 88.3 |
| [5.00,5.50) | 76.7 | 79.7 | 81.7 | 83.7 | 84.7 | 85.7 | 86.7 | 87.7 | 88.7 | 89.5 | 89.8 |
| [5.50,6.00) | 80.7 | 82.7 | 83.7 | 84.7 | 85.7 | 86.7 | 87.7 | 88.7 | 89.7 | 90.5 | 90.8 |
| [6.00,6.50) | 81.7 | 83.7 | 84.7 | 85.7 | 86.7 | 87.0 | 88.7 | 89.7 | 90.7 | 91.5 | 91.8 |
| [6.50,7.00) | 82.7 | 84.7 | 85.7 | 86.7 | 87.7 | 88.7 | 89.7 | 90.7 | 91.7 | 92.5 | 92.8 |
), ArticleFig(id=1240651365450576417, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=CN, label=表9, caption=
银计价系数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 2#银价格/(元·g-1) | 不同Ag品位(g/t)精矿的计价系数/% |
|---|
| [1000,1500) | [1500,2000) | [2000,2500) | [2500,3000) | [3000,3500) | [3500,4000) | [4000,4500) | [4500,5000) | [5000,5500) | [5500,6000) | [6000,∞) |
|---|
| [3.50,4.00) | 68.7 | 71.7 | 73.7 | 75.7 | 77.2 | 79.2 | 81.2 | 82.2 | 83.2 | 84.0 | 84.3 |
| [4.00,4.50) | 72.7 | 75.7 | 77.7 | 79.7 | 81.2 | 82.2 | 83.2 | 84.2 | 85.2 | 86.0 | 86.3 |
| [4.50,5.00) | 74.2 | 77.2 | 79.7 | 82.2 | 83.2 | 84.2 | 85.2 | 86.2 | 87.2 | 88.0 | 88.3 |
| [5.00,5.50) | 76.7 | 79.7 | 81.7 | 83.7 | 84.7 | 85.7 | 86.7 | 87.7 | 88.7 | 89.5 | 89.8 |
| [5.50,6.00) | 80.7 | 82.7 | 83.7 | 84.7 | 85.7 | 86.7 | 87.7 | 88.7 | 89.7 | 90.5 | 90.8 |
| [6.00,6.50) | 81.7 | 83.7 | 84.7 | 85.7 | 86.7 | 87.0 | 88.7 | 89.7 | 90.7 | 91.5 | 91.8 |
| [6.50,7.00) | 82.7 | 84.7 | 85.7 | 86.7 | 87.7 | 88.7 | 89.7 | 90.7 | 91.7 | 92.5 | 92.8 |
), ArticleFig(id=1240651365559628329, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=EN, label=Table 10, caption=
Pricing coefficients of lead
, figureFileSmall=null, figureFileBig=null, tableContent=
| 铅品位/% | 单价/(元·t-1) |
|---|
| [10,15) | 2 500 |
| [15,20) | 3 000 |
| [20,30) | 6 700 |
| [30,40) | 8 350 |
| [40,∞) | 协商计价 |
), ArticleFig(id=1240651365706428972, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=CN, label=表10, caption=
铅计价系数
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| 铅品位/% | 单价/(元·t-1) |
|---|
| [10,15) | 2 500 |
| [15,20) | 3 000 |
| [20,30) | 6 700 |
| [30,40) | 8 350 |
| [40,∞) | 协商计价 |
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Estimated value of products
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| 产品名称 | 产量/t | Pb品位/% | Pb单价/(元·t-1) | Pb总价/元 | Ag品位/(g·t-1) | Ag计价系数/% | Ag单价/(元·g-1) | Ag总价/元 | 总价(Pb+Ag)/元 |
|---|
| 溢流 | 50.75 | 3.11 | — | 0 | 1 623.36 | 82.7 | 4.683 | 385 811.39 | 385 811.39 |
| 沉砂 | 49.25 | 12.39 | 2 500 | 15 255.19 | 6 316.29 | 90.8 | 5.142 | 1 599 559.39 | 1 614 814.58 |
| 给矿 | 100.00 | 7.68 | — | 0 | 3 934.48 | 86.7 | 4.910 | 1 931 829.68 | 1 931 829.68 |
), ArticleFig(id=1240651365916144180, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240631883193700932, language=CN, label=表11, caption=
产品价值估算结果
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| 产品名称 | 产量/t | Pb品位/% | Pb单价/(元·t-1) | Pb总价/元 | Ag品位/(g·t-1) | Ag计价系数/% | Ag单价/(元·g-1) | Ag总价/元 | 总价(Pb+Ag)/元 |
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| 溢流 | 50.75 | 3.11 | — | 0 | 1 623.36 | 82.7 | 4.683 | 385 811.39 | 385 811.39 |
| 沉砂 | 49.25 | 12.39 | 2 500 | 15 255.19 | 6 316.29 | 90.8 | 5.142 | 1 599 559.39 | 1 614 814.58 |
| 给矿 | 100.00 | 7.68 | — | 0 | 3 934.48 | 86.7 | 4.910 | 1 931 829.68 | 1 931 829.68 |
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