【正文】 5＝γ3535/17＝＝ ％ ε41=ε19ε35== % 41=1935== %ε33＝γ33β33/β17＝＝ ％33＝γ3333/17＝＝ ％ε36=ε33ε35== %36=3335== %ε30＝γ30β30/β17＝＝ ％30＝γ3030/17＝＝ ％ε34=ε30+ε36ε33=+=%34=30+3633=+=%ε27＝γ27β27/β17＝＝ ％27＝γ2727/17＝＝ ％ε31=ε27+ε34ε30=+=%31=27+3430=+= %ε24＝γ24β24/β17＝＝ ％24＝γ2424/17＝＝ ％ε28=ε24+ε31ε27=+= %28=24+3127=+= %ε26=ε24+ε31=+= %26=24+31=+=%校核ε26=ε27+ε28=+= %26=27+28=+= %ε29=ε27+ε34=+= %29=27+34=+= %校核ε29=ε30+ε31=+= %29=30+31=+= %ε32=ε30+ε36=+= %32=30+36=+= % 校核ε32=ε33+ε34=+= %32=33+34=+= %(3) ε42＝γ42β42/β17＝＝ ％ 42＝γ4242/17＝＝ ％ ε39=ε41+ε42=+= % 39=41+42=+= % ε38＝γ38β38/β17＝＝ ％38＝γ3838/17＝＝ ％ε25=ε38+ε39ε42=+= %25=38+3942=+= %ε37=ε38+ε39=+= %37=38+39=+= %校核ε37=ε25+ε42=+= %37=25+42=+= %ε23=ε19+ε28+ε38=++= %23=19+28+38=++= %校核ε23=ε24+ε25=+= %23=24+25=+= %(4)ε44＝γ44β44/β17＝＝ ％ 44＝γ4444/17＝＝ ％ ε54＝γ54β54/β17＝＝ ％ε57=ε22+ε44ε54=+= %57=22+4454=+= %ε43=ε41ε44== %43=4144== %ε52＝γ52β52/β17＝＝ ％ 52＝γ5252/17＝45/＝ ％ε55=ε52ε54== %55=5254== %ε49＝γ49β49/β17＝＝ ％49＝γ4949/17＝＝ ％ε53=ε49+ε55ε52=+= %53=49+5552=++= %ε46＝γ46β46/β17＝＝％46＝γ4646/17＝＝ ％ε50=ε46+ε44+ε53ε49=++= %50=46+44+5349=++= %ε56＝γ56β56/β17＝＝ ％56＝γ5656/17＝＝ ％ε47=ε56+ε57=+= %47=56+57=+= %ε45=ε22+ε50+ε56=++= %45=22+50+56=++= %校核ε45=ε46+ε47=+= %45=46+47=+= % ε48=ε49+ε50=+= %48=49+50=+= %校核ε48=ε46+ε44+ε53=++ = %48=46+44+53=++= % ε51=ε52+ε53=+= % 51=52+53=+= %校核ε51=ε49+ε55=+= % 51=49+55=+= % 6. 計(jì)算各產(chǎn)物的未知品位. (1) β18=β17ε18/γ18=＝ ％ 18=1718/γ18=＝ ％ 20=1720/γ20=＝ ％22=1722/γ22=＝ ％β23=β17ε23/γ23=＝ ％23=1723/γ23=＝ ％25=1725/γ25=＝ ％β26=β17ε26/γ26=＝ ％26=1726/γ26=＝ ％28=1728/γ28=＝ ％β37=β17ε37/γ37=＝ ％37=1737/γ37=＝ ％39=1739/γ39=＝ ％β29=β17ε29/γ29=＝ ％29=1729/γ29=＝ ％31=1731/γ31=＝ ％β32=β17ε32/γ32=＝ ％32=1732/γ32=＝ ％34=1734/γ34=＝ ％36=1736/γ36=＝ ％ β41=β17ε41/γ41=＝ ％41=1741/γ41=＝ ％(2) β43=β17ε43/γ43=＝ ％ β45=β17ε45/γ45=＝ ％ 45=1745/γ45=＝ ％ β47=β17ε47/γ47=＝ ％ β48=β17ε48/γ48=＝ ％48=1748/γ48=＝ ％β50=β17ε50/γ50=＝ ％β57=β17ε57/γ57=＝ ％57=1757/γ57=＝ ％β51=β17ε51/γ51=＝ ％51=1751/γ51=＝ ％β53=β17ε53/γ53=＝ ％β55=β17ε55/γ55=＝ ％第6章 礦漿流程計(jì)算 磨礦礦漿流程計(jì)算(1) 磨礦流程圖圖61 磨礦礦漿流程及編號 (2) 確定濃度Cn 原礦水分3%,即C11=97% 磨礦作業(yè)濃度取75% 分級溢流濃度取42% 分級返砂濃度取80% R11=(100Co)/Co=(10097)/97= R17=(100 C17)/ C17=(10042)/42= R16=(100Cs)/Cs=(10080)/80= Rm =(100Cm)/Cm=(10075)/75= (3) 按Wn=Qn(100Cn)/Cn計(jì)算產(chǎn)物含水量(t/h) W11= Qn Rn＝Q11 R11＝＝ W16= Q16 R16＝Q16 R16＝＝ W17＝Q17 R17＝Q17 R17＝＝ Wm= Qm Rm＝(Q11 +Q16) Rm＝(+)＝ （4）按Ln=W∑Wn計(jì)算補(bǔ)加水 Lm=WmW11W16== Lc=W16+W17Wm=+= V17= Q17(R17+1/δ) =(+1/) = (1) 選別流程圖見圖62。圖62等可浮浮選流程 （2）確定濃度Cn 鉛粗選一作業(yè)濃度CI=36%, 精礦濃度C19=51%, 鉛粗選二作業(yè)濃度CII=35%, 精礦濃度C24=43%, 鉛精選一作業(yè)濃度CIII=36%, 精礦濃度C27=42%, 鉛精選二作業(yè)濃度CIV=40%, 精礦濃度C30=44%, 鉛精選三作業(yè)濃度CV=42%, 精礦濃度C33=46%, 鉛精選四作業(yè)濃度CVI=44%, 精礦濃度C35=48%, 等可浮掃選精礦濃度C21=36%, 鉛掃選一精礦濃度C38=37%, 鉛掃選二精礦濃度C42=27%, 脫鋅浮選作業(yè)精礦濃度C44=30％ 鋅精選一作業(yè)濃度C’I=40%, 精礦濃度C49=50%, 鋅精選二作業(yè)濃度C’II=41%, 精礦濃度C52=52%, 鋅精選三作業(yè)濃度C’III=42%, 精礦濃度C54=54%, 鋅粗選精礦濃度C46=55% 鋅掃選精礦濃度C56=40%,(3) 按Rn＝(100Cn)/Cn計(jì)算液固比 R I =(100CI)/CI=(10036)/36= R19=(100C19)/C19=(10051)/51= RII=(100CII)/CII=(10035)/35= R24=(100C24)/C24=(10044)/44= RIII=(100CIII)/CIII=(10036)/36= R27=(100C27)/C27=(10042)/42= RIV=(100CIV)/CIV=(10040)/40= R30=(100C30)/C30=(10044)/44= RV=(100CV)/CV=(10042)/42= R33=(100C33)/C33=(10046)/46= RVI=(100CVI)/CVI=(10044)/44= R35=(100C35)/C35=(10048)/48= R38=(100C38)/C38=(10037)/37= R42=(100C42)/C42=(10027)/27= R44=(100C44)/C44=(10030)/30=R46=(100C46)/C46=(10055)/55= I =(100I)/I=(10040)/40=R49=(100C49)/C49=(10050)/50=1 II =(100II)/II=(10041)/41=R52=(100C52)/C52=(10050)/50=1 III =(100III)/III=(10042)/42=R54=(100C54)/C54=(10054)/54=R56=(100C56)/C56=(10040)/40= (4) 按Wn=QnRn計(jì)算水量 WI=Q18(100CI)/CI=(10036)/36= W19=Q19(100C19)/C19=(10051)/51= W20= WI W19== m3/hWII=Q23(100CII)/CII=(10035)/35= m3/h W24=Q24(100C24)/C24=(10044)/44= W25= WII W24== m3/h WIII=Q26(100CIII)/CIII=(10036)/36= W27=Q27(100C27)/C27=(10042)/42= m3/h W28= WIII W27== m3/h WIV=Q29(100CIV)/CIV=(10040)/40= m3/h W30=Q30(100C30)/C30=(10044)/44= m3/h W31= Wk2 W30== m3/h WV=Q32(100CV)/CV=(10042)/42= m3/h W33=Q33(100C33)/C33=(10046)/46= m3/h W34= WV W33== m3/h WVI=Q33(100CVI)/CVI=(10044)/44= m3/h W35=Q35(100C35)/C35=(10048)/48= W36= WVI W35== m3/h W38=Q38(100C38)/C38=(10037)/37= m3/h W42=Q42(100C42)/C42=(10027)/27= W21=Q21(100C21)/C21=(10037)/37= m3/hW18=W17+W21=+= m3/hW23=W19+W28+W38=++=W26=W24+W31=+= m3/hW29=W27+W34=+= m3/hW32=W30+W36=+= m3/hW22=W20W21==231 m3/h W37=W25+W42=+=W39=W37W38== m3/hW41=W39W42==73 m3/h鋅循環(huán)：W44=Q44(100C44)/C44=(10030)/30= m3/hW46=Q46(100C46)/C46=(10055)/55=W56=Q56(100C56)/C56=(10040)/40= m3/hW49=Q49(100C49)/C49=(10050)/50= m3/h I =Q48 I== m3/hW50= I W49== m3/hW52=Q52 R52=1= II =Q51 II== m3/hW53= II W52==W54=Q54 R54== m3/h III =Q52 III== m3/hW55= III W54== m3/h W43=W41W44==W48=W46+W44+W53=++=W51=W49+W55=+=W45=W22+W50+W56=231++= m3/hW47=W45W46== m3/hW57=W47W56== (5)按Ln=W作業(yè)∑Wn計(jì)算補(bǔ)加水量。 L I =W I W17W21==L II =W II W19W28W38== m3/hL III =W III W24W31== m3/hLIV=WIVW27W34== m3/hLV=WVW30W36== m3/hLVI=WVIW33== m3/h I = I W46W44W53== m3/h