矿物加工工程wdw说明书

摘7:Byfollowingtheassignment,myworkistodesigna1700t/dlead-zincconcentrator.Itsmainproductsareleadconcentrate，zincconcentrateandsulphurOnthebasisofpracticeinBaoshanPb-ZnMineofHunanProvincefortwoweeks,andthecollectionofdata,Theworkinstitutionsofeachworkshopweredetermined,andthetechnologicalprocesswasalsoselectedandreasoned.Theprocessofcrushingisthreesectionswithoneclosedcircuit,thegrindingprocessisonesectionwithclosedcircuitandcontrolcircuit,theflotationprocessisselectiveflotationofleadminerals,andaprocesswithtwosectionsdewateringcircuitwhichincludedconcentrationandTechnologicalparametersofcrushing,screening,grinding,flotation(includethecircuitofpulp)anddewateringwascomputed,respectively.Thenthetechnologicalparametersofequipmentswerecomputedandtheschemesofequipmentswerecomparedandtheoptimalequipmentsweredetermined.Thegeneralarrangementofconcentratorntandtheallocationofequipmentsindifferentworkshopwerepresented.Accordingtothetopographyofntsite,ntswerearrangedalongtheslopeofmountain.Theworkshopsofcoarsecrushing,middleandfinecrushingandscreeningwerealotedindependent.Arrangmentwithparallelcontourlineofcoarsecrushingworkshop,middleandfinecrushingandscreeningworkshopswereused.Theworkshopsofgrindingandflotationwereputtogether,andthelongitudinalandlalnswereusedforthemillsandflotationmachinesrespectively.Theconcentratemachineswerecollocatedseperatedfromthefiliteringworkshopandconcentratebinswhichwerealotedinside7piecesdrawing,suchastheworkshopofcoarsecrushing,middleandfinecrushing,screening,grinding,flotationandsoon,werefinished. concentratordesign；leadandzincores；flotation；目第1章绪 矿山的地理与气 原料及矿 岩矿鉴 矿石中有用矿物的嵌布特 原矿化学分析和物相分 原矿基本物理性 第2章生产车间和工作制 第3章工艺流程的选择和计 破碎流程的选 破碎流程的计 磨矿流程的选 磨矿流程的计 选别流程的选 选别流程的计 脱水流程的选 脱水流程的计 磨矿矿浆流程计 选别矿浆流程计 脱水流程矿浆计 第4章主要工艺设备的选择和计 粗碎设备的选择和计 中碎设备的选择和计 细碎设备的选择和计 破碎设备方案比 磨矿设备的选择和计 分级设备的选择和计 浮选机的选择和计 浓密机的选择与计 过滤机的选择与计 第5章主要辅助设备和设施的选择和计 原矿仓的选择和计 粉矿仓的选择和计 精矿仓的选择和计 第6章厂房布置与设备配 破碎车间设备配 磨浮车间设备配 脱水车间设备配 附录1设备选择计算 附录2小............................................4524%，0.7-2.9秒，平均风速2.7米/秒。最大年份2.9米/秒，最小年份2.4米/秒。平均大风（6级以上7米/秒）日数7.6天，8级以上大风，平均为6天左16（10）20矿区至今未发现自然源西部铅锌矿：金属矿物有矿、闪锌矿、黄铁、黄铜矿、毒砂、硫锌铅车矿物生成黄铁矿、闪锌矿与矿，同时沉淀时易形成复杂嵌布关系，硫化矿氧、主矿石矿物成份矿石中主要金属矿物为黄铁矿白铁矿矿闪锌矿等；、（1）矿：矿是矿石中最重要的含铅工业矿物，与闪锌矿、黄铁矿组成致密块状、网脉状、细脉浸染状矿石（矿与闪锌矿紧密共生。圆颗粒、乳滴状的黝铜矿，散粒状、乳滴状的矿、辉银矿、黄铁矿等。（2）闪锌矿闪锌矿与矿黄铁矿等致密共生组成致密块状矿石，1-1,1-1-1S1-2相对含量相对含量矿Dmax=500mm，矿石真：3.2，重：2.25，1.9，472米标高，50米中段以下采用西部和北部两条斜井2间性质及原矿工作制度确定选矿厂各车间的工作制度。3306330833081700×6.55%=111.35（吨（吨1700×6.14%=104.38（吨2.12.1生 能36383838S383原矿的最大块度选为Dmax=500mm。50%—60%，而破碎作业仅占d=12—0mm。S总＝DmaxS总d——破碎最终产物粒度决于总破碎比（S总10—14010，一般情况下采用一段破碎流程也不可能达到，而最大的总破碎比140，只能采用三段（或以上）破碎流程。所以常规破碎流程应是两段或三3-163-2S总3-3平均破碎比3S1=3.0；S2=3.0；用颚式破碎机，中碎用圆锥破碎机，细碎用短头圆锥破碎机，排矿口宽 取25mme3采用等值筛分工作制度计算，e3=0.8d7=0.8×12=9.6（mm）, Q1=94.44（t/h，Q2=Q1=94.44（t/h，γ2＝Q2/Q1×100%=100%Q3=Q1=90.44（t/h，γ3＝Q3/Q1×100%=100%Q7=Q1=90.44（t/h，1C1 100%553式中：C1E—筛子的筛分效率33筛子的筛孔尺寸与原矿最大粒度比值＝15/500＝0.03，314－3“原矿粒度特性曲线”可知015324－5“颚式破碎机产物粒度特性曲线”可知115厂设计》32页图4－6“圆锥破碎机产物粒度特性曲线”可知215＝厂设计》324－9“短头型圆锥破碎机闭路破碎产物粒度特性曲线”可知51553155%13%34%3Q4Q5Q1C194.44154.31%145.749(t/45Q4/Q1100%145.71/94.44100%15mm72％－0.074mm。故选用一段磨矿流程。14%-15%，而且给矿中最大粒度不6-8mm，由本矿的粒度组成（12mm）以及含泥量，4）度更细的溢物的分级作业。设置的目的是为了在一段磨矿条件下，获得溢3-370.83t/h,C＝350％。流程图如下：3-4Q71700/2410.83(t/h)，7Q484-1010650.074mm；0.15mm, 10%

70.83(75%10%)83.71(t/h)65%10%10Q17/Q7100%83.71/70.83100%118.18%Q14Q7C70.83350%247.91

()/，14Q14/Q7100%247.91/70.83100%

()/13Q13/Q7100%12.88/70.83100%Q11Q14Q13247.9112.88318.74(t/Q8Q9Q7(1C)70.83(1350%)318.74(t/89100%350%，根据矿石可行性研究的资料可知矿的可浮性较好，且颗粒上浮速度较，5铅粗选铅精 铅扫铅精 铅扫Zn+S

分精 分扫3-53-6

为4.37，锌的品位为'4.60，硫的品位为''6.66 100，回收率分别为100'100 c

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''8''3''''7(278.2964.7686.63)%5314(223.2696.46)%'5'3'(97.0048.05)%''5''3 (278.2964.76)%校核578185.69134.038'5'7'(53.1091.95)%8''5''7''8(86.63256.42)%1/151515/128.741.52/4.371/

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6415(29.0210.00)%'6'4'(121.2621.68)%''6''4 (294.22197.34)%校核691018.2520.77'6'4'(26.31116.63)%''6''9 (216.09275.47)%2189(100134.0318.25)%1'2''8'9(10091.9526.13%11''21

''8''9(100256.42216.09)%234(223.2629.02)%'2'3'4(97.00121.26)%''2''3''4(278.29294.22)%212/24.37252.28/175.6412'2''2/4.60218.26/175.641214'4''4/4.60121.26/125.221415'5''5/4.60145.05/65.091515''5''''5/6.66343.65/65.091516'6''6/4.60142.94/153.961616''6''''6/6.66491.56/153.961618'8''8/4.6091.95/43.871818''8''''8/6.66256.42/43.8718 ''/ 4.60116.63/122.19 1 ''''/

6.66275.41/122.19 1 ''/ 4.6070.33/28.50 1 ''''/

6.66115.45/28.50 1 ''/

4.6048.05/14.67 1 ''''/

6.6664.76/14.67 1 ''/

4.6094.95/93.45 1 ''''/

1 ''/

4.6017.23/7.28 1 ''''/

1 1'21''21/ 4.607.58/84.0511''21''''21/ 6.6625.00/84.05122122/224.3715.76/22.641''22''''22/ 6.66108.33/22.64123123/234.3710.89/89.39''23/4.609.77/89.39''23/6.6634.08/89.39''25/4.606.31/8.57''25/6.6645.06/8.57''27/4.604.26/84.65''27/6.6615.87/84.651 1 128128/284.3711.68/14.921'28''28/ 4.60116.64/14.9211''28''''28/ 6.6671.62/14.92129129/294.376.35/10.151''29''''29/ 6.6652.39/10.15110%，8%，11%。3-73-8Q42Q44404143174244Q42Q444041433442（3）Q42Q4440414337423-975%按WnQn(100Cn)/CnW7=70.83×(100-97)/97=W12=70.83×(100-45)/45=86.55(t/h)W14=247.91(100-80)/80=61.98(t/h)LnWWn3-3-10确定浓度铅粗选作业浓度Cr132% 锌硫混浮粗选作业浓度Cr230%锌硫分离粗选作业浓度Cr330,铅精选一作业浓度Ck125铅精选二作业浓度Ck226% 铅精选三作业浓度Ck330%锌精选一作业浓度C'k125% 锌精选二作业浓度C'k226%铅粗选作业精矿浓度C334% 铅精选一作业精矿浓C735%铅精选二作业精矿浓度C1340铅扫选一作业精矿浓度C932% 铅扫选二作业精矿浓锌硫混浮粗选作业精矿浓度C2048锌硫混合扫选一作业精矿浓度C2624，锌硫混合扫选二作业精矿浓度C3822%(2)Rn＝(100Cn)/CnRr1=(100-Cr1)/Cr1=(100-32)/32=Rk2=(100-

R13=(100-C13)/C13=(100-40)/40=Rr2=(100-

R24=(100-

R'k1=(100-C'k1)/C'k1=(100-25)/25=R30=(100-C30)/C30=(100-36)/36=R'k2=(100-C'k2)/C'k2=(100-28)/28=R34=(100-C34)/C34=(100-42)/42=R36=(100-C36)/C36=(100-28)/28=R26=(100-C26)/C26=(100-24)/24=按WnQnRn计算水量Wk1=Q5Rk1=46.103=Wk2=Q11Rk2=20.192.846=W9=Q9R9=22.502.125=47.81(t/h)W4=Wr1-W13=264.37-69.31=195.06(t/h)W4=Q5Rk1=46.103=138.30(t/h)Wk1=Q5Rk1=46.103=W20=Q20R20=10.021.083=10.85(t/h)W26=Q26R26=3.363.167=10.64(t/h)W38=Q38R38=3.783.545=W24= =W'k2=QR'k2=6.272.571=

=W'k2-

W32=Q32R32=1.722.333=4.01(t/h)W36=Q36R36=1.122.571=2.88(t/h)W38=Q38R38=3.783.545=按Ln=W作业∑WnLk1=Wk1-W3-W14=138.3-69.31-42.7626.23(t/h)Lk3=Wk3-W13=22.86-14.708.16(t/h)L'k1=W'k1-

-

=31.71-17.73-8.29L'k2=W'k2- =16.12-11.15按VnQn(Rn+1/计算矿浆体积。

=Q2(R

+1/δ/=124.41(2.125+1/3.2)=303.25(m3/V3=Q3(R3+1/δ/=35.71(1.941+1/3.2)=80.47(m/3V7=Q7(R7+1/δ/=15.03(1.857+1/3.2)=32.61(m/3

=Q13

+1/δ/=9.80(1.5+1/3.2)=17.76(m3/

=

+1/δ/=4.64(1.222+1/3.2)=7.12(m3/V9=Q9(R9+1/δ/=22.50(2.125+1/3.2)=54.84(m/3

=Q15

+1/δ/=20.36(2.333+1/3.2)=53.86(m3/V4=

303.25-80.47222.78(m3/V8=

V6=

222.7853.86276.64(m3/

=

276.64-54.84221.80(m3/

=

-

=

-

63.77-17.7646.01(m3/

=

-

25.93-7.1218.81(m3/

=Q19(R

+1/δ/=69.55(2.333+1/3.2)=183.99(m3/

=Q20(R

+1/δ/=10.02(1.083+1/3.2)=13.98(m3/

=

-

=

170.0114.58184.59(m3/

=

-

=Q30(R

+1/δ/=6.27(1.778+1/3.2)=13.10(m3/V'k2=Q(R'k2+1/δ/=6.27(2.571+1/3.2)=18.08(m3/

=Q34(R

+1/δ/=5.67(1.381+1/3.2)=9.60(m3/

=Q32(R

+1/δ/=4.01(2.333+1/3.2)=10.61(m3/

=Q36(R

+1/δ/=1.12(2.571+1/3.2)=3.23(m3/

=

-

42.43-20.8421.59(m3/

=V'k1-

35.01-13.1021.91(m3/

=V'k2-

18.08-9.608.48(m3/

=

21.593.2324.82(m3/

=

-

24.82-10.6114.21(m3/

=

-

14.21-3.2310.98(m3/按Cn100/(1Wn/QnC6=100/(1+W6/Q6)=100/(1+242.56/109.05)=C8=100/(1+W8/Q8)=100/(1+110.39/31.07)=C10=100/(1+W10/Q10)=100/(1+194.75/86.55)=C16=100/(1+W16/Q16)=100/(1+147.25/66.19)=C18=100/(1+W18/Q18)=100/(1+17.19/5.16)=C21=100/(1+W

)=C25=100/(1+W25/Q25)=100/(1+19.7/6.07)=C27=100/(1+W27/Q27)=100/(1+154.19/59.56)=C31=100/(1+W31/Q31)=100/(1+20.56/4.30)=C29=100/(1+W29/Q29)=100/(1+22.58/7.19)=C33=100/(1+W33/Q33)=100/(1+18.57/5.47)=C35=100/(1+W35/Q35)=100/(1+8.29/0.60)=C37=100/(1+W37/Q37)=100/(1+15.69/4.35)=C39=100/(1+W39/Q39)=100/(1+140.79/56.18)=--'

7.8315.69140.795.67∑L=Lr1Lr2Lr3Lk1Lk2Lk3L'k119.64.392.0126.2312.368.165.6900按下式计算选别流程（含磨矿流程）单位耗水量003-11进浓密机浓度为C4045；出浓密机浓度为C4110%，即C43

=

40)/C

=4.64×(100-45)/45=5.67(m3/h)

=

=4.64×(100-65)/65=

=

=

-

=5.67-2.50=

=

-

=2.50-0.52=进浓密机浓度为C4042出浓密机浓度为C4 8%，即C43

=

=5.67×(100-42)/42=

=

-

=3.05-0.49=进浓密机浓度为C4021.71出浓密机浓度为C4 11%，即C43

=

=

=4.35×(100-65)/65=

=

=4.35×(100-89)/89=

=

-

=

-

=2.34-0.54=41：选用：PE600×900Qk1k2k3k4式中k1—5-6，取k1k2—k22.73.22.7—tm3k3—5-7k3Q0t/h；Q0t/mmh

，0Q1.01.191.001.00105②台数及负荷系数，计算如下nQ式中n—设计需要的破碎机台数（台k—nkq1.094.440.75(取一台 η=q100%η=q100%100% 1：PYY-B1219Qk1k2k3k4式中k15-6，取k1=1；k2k22.73.22.71.19tm3k35-7，k3Q0t/h；Q0t/mmh

，0e—破碎机排矿碎机排,取Q0q0e4.330

Q1.01.191.01.0129②台数及负荷系数，计算如下nQ式中n—设计需要的破碎机台数（台k—不均匀系数nkq1.094.440.62(取一台 100% 100% 为Q0.根据表5-10关于HP系列圆锥破碎机对应排矿口的生产能力可查询10mmHP400Q0150th。Q=K11.0(中硬矿石)，K25-8K30.98K1K2K3Q.0Q'根据矿石性质取K1.344该破碎机的负荷率为4-1比台数％—111二机1114-2称台台%粗碎1中碎1细碎1已知给矿量Q=240.18t/h,筛孔尺寸a=15mm5-11q22.8m3/m2.h,松散密度r1.9t/m6 575757576 5由

7.55000.02，查表可得751；由

7.51050.0702可得2756%；由Z37.5300.25，查表可得3751802Z47.5/100.75，查表可得47530%66 由

155000.03，查表可得15

；由

151050.140 可得1585%；由Z15/300.50，查表可得150 Z15101.50，查表可得1533 615(96%66%6筛分效率K1=0.76;K22.10;FQ/qrK1K2K3K4K5240.18/0.80.76

F/E2.72/0.65YA15365.4m24.18/5.4100%4-3170.83t/h，0～12mm,0.074mm72％，给矿中-0.074mm8％，0～18mm,0.074mm0.18mm(-0.074mm69％)，应用2100mm72％-0.074mm，采用一段闭路磨矿流程，磨矿机采用格子型球磨机，初步选择φ3200×4500mm，φ3600×3900mm×4500mm计算现场生产用的磨矿机的单位生产能力（-0.074mmq＝Q'(β'－β 式中Q'＝20.83t/hβ69β8V10.1m3 00qq= q＝1.26t/h.m3 m1=0.87,m2=0.92,对于φ3200×4500mm，K25-151.09；对于φ3600×3900mm，K25-151.17；对于φ3600×4500mm，K25-151.17；按计算：n=Q0(β2-式中

β2=

β1=台数重量单总单总111对于φ3200×4500mmq1.17t/h.m3，V则n70.83(0.720.08)/1.1731.0＝1.254-41124.98％对于φ3200×3600mmq1.26t/h.m3，V则n70.83(0.720.08)/1.2636.0＝0.99199.94％对于φ3600×4500mmq1.26t/h.m3，V则n70.83(0.720.08)/1.2641.0＝0.88B.4-5mmm39001170.83t/h,235.03t/h,3，2t/m3Q70.83t/式中Q70.83t/h,m2k110.5(3.2K25-18K21.70则D0.080.1032470.83/2选用φ2000mm1Q=135m.k.n.D3=135×2×1.25×3.61由工艺流程计算结果可知分级机总返砂量为235.03245640.72td，故符计算负荷率由D

1Q=[(D+0.08)/0.103]2×(mK 1=则：负荷率ηQ/Q0=70.83/72.224-6t/h·1283.71t/h,要求溢流中-0.07475%；3.2t/m3,.矿石体积根据总体积204.62m3/h，溢流粒度-0.074mm占75%，查P105表5-dn=(0.15~0.25)D≈0.2×500=100mm溢流口直径dc=(0.2~0.3)D≈0.25×500=125mm沉砂口直径dh=(0.07~0.1)D≈0.09×500=45mm0.074mm75%根据d值，查P105表5-24选取压力为0.10MPadK dK 0 0

（%，β=45% 0.8

0.8

D

5012.55012.5PV3KKDdndcPV（m3/h.台K0.799

0.0397tg2

0.799

0.7990.204（°=118.94m3/h.n=204.62/118.94=1.72V=KQ(RVm3/min;Q——进入作业的矿石量，t/h;RCδ——矿石密度,3.2K

/60=303.25/60=5.05V=V/60152.71/602.55

=

/60=63.77/60=

=

/60=25.93/60=0.43

=

/60=221.8/60= V11Vk1/6035.01/600.58m/

=

/60=24.82/60=

=

/60=20.27/60=0.34n=Vt/Kv V——浮选机处理的矿浆体积,m3/min;V0——浮选机的几何容积,m3;4-7浮选时间浮选时间565665755555650JJF-8，V=8.00n=5.05×5/0.7×8=

40XJ-28，V0n=2.55×5/0.7×2.8=

70XJ-28，V0=1.06×6/0.75×2.8=

40XJ-28，V0=0.43×7/0.80×2.8

20JJF-8，V00JJF-8，V0

40JJF-8，V=8.00=3.07×6/0.7×8=

40JJF-8，V0n=3.086/0.7×8=

40JJF-8，V0n=2.886/0.7×8=

40XJ-11，V=1.10=0.7×5/0.7×1.1=

50XJ-11，V0=0.58×5/0.75×1.1=

40XJ-11，V00XJ-11，V0

30XJ-11，V0JJF-8：26XJ-28：13

3XJ-11：17V——所需搅拌槽的容积，m3Qδ——矿石密度t8minK1——给矿不均匀系数，取1.0V=K1Q（R1.070.83(0.3331/3.2)V=K1Q（R1.066.19(0.451/3.2)XB-2500V=K1Q（R1.010.02(1.081/3.2)8选择结果：XB-2500，3XB-1500，2D=式中D——浓密机直径0q——单位面积处理量，t/m2.d001）q=0.8t/(m04.64则D=1.13 =4.64NT-1502）q=0.6t/(m05.67则D=1.13 =5.67NZ-2003）q=0.6t/(m04.35则D=1.134.35NT-15n=式中nQ——需过滤的固体精矿量q，t/m2.h1）q0.20t/(m

TT-300×=

12）q0.22t/(m0×=3）q0.3t/(m

1TT-20.0×.=

155-1所示。5-1V=Q/σ1700/183/3.2＝88.543)K矿仓上部容积V2=h(BLBb)(Ll式中hb2V=3×(6×6+7×8+1?2

-

则查表得，1＝382＝50d=1m,1.90tm338o，陷落角58o4图5-2圆矿仓主视图 图5-3圆矿仓装料孔平面)3

/K=895/0.85=1052.94(m3K223.75m3263.241VD3tg/2463tg38o/2411hDtg/26tg38o/213h(Dd)tg/2(60.6)tg58o/23VV’-V

2V'D2hh4V362.345.53445.19267.70(m3 因为V'V=Q/σ=4.6424×7/4＝195V=Q/σ=5.6724×5/2.8＝243V=Q/σ4.3524×7/1.8＝406铅：L=9m,B=8m,H=4.5m，1锌：L=9m,B=8m,H=4.5m，1硫：L=12m,B=8m,H=4.5m，1BB—胶带宽度，mQ—输送量KKB800，K412σ—矿石松散密度，1.90t/m3c160.88，0B＝500mm（2）1＃皮带（从粗碎到中碎16B=(94.44/3051.91.25B=650（3）2＃皮带（从中、细碎到检查筛分16Q=Q6=B=(240.18/3051.91.25B=800（4）3＃皮带（从检查筛分到细碎16Q=Q4=B=(145.74/3051.91.25B2Dmax200255.56（5）4＃皮带（从检查筛分到粉矿仓16Q=QB=(94.44/3051.91.25（6）5＃皮带（从粉矿仓到球磨机0Q=B=500mmB=500mmP4538.10-1（破碎机检修用起重机吨位，型式选择）20/5tP4568.10-3（磨机检修用起重机吨位，型式选择）当8m3P4588.10-TT—3010t4.125-1111电动桥式（副钩电磁、吊钩两用）1111型板式给料机GB120-4.51200×4500。给矿机600×6004.135-2给料粒度66-11放置，中细碎的破碎产物共用一条胶 机运送至筛分厂房。中、细碎两备中心线设在同一等高线上，胶带机安装坡度16度，小于物料磨擦角产通过胶带机运至筛分厂房，筛上产物通过胶带机运至中细碎厂房内内的粉尘，在易产生粉尘的地方（圆振动筛、胶带机转运处）专门设由除砂返回磨机再磨，地面设计有2%到5%的坡度和排污地沟，以利于和污水集2%5%的坡度和排污地沟，以便于冲洗地面和污水处理。前期为了给这次设计收料，我们在湖南宝山铅锌选矿厂进行了为期两识，加深了对专业的感情。非常感谢老师和选厂师傅们在实习期间给予的选型与定位确、厂房的尺寸不合适、CAD绘图软件不熟练等等问题，但我很庆幸自己当初在和设计之间选择了设计，因为通过本次设计，我CAD[1]．王化军《矿物加工工程设计．长沙：中南大学周龙廷《选矿厂设计．长沙：中南工业大学陆冠伟等《选矿设计手册．：冶金工业11—1称台台%粗碎1中碎1细碎11—211—3mm11-4t/h·1器31-5XB-28XB-18XB-281-6%5855764722585584选684684684选55545253531-7%NT-15机1111-8t/111（江西理工大学江西赣州摘要：1700t/dTheDesignofBaoshanPb-Zn-SMineConcentratorwiththeCapacityof1700t/dWangDaowei(JiangxiUniversityofScienceandTechnology,Ganzh