3000t选矿厂设计说明书(7)

Nr≤np－ap≤26－13≤13 N?zn≤np－ap≤26－13≤13

N?pb≤np－ap≤26－13≤13

N?zn≤2（np－ap）≤2×（26－13≤26 N?pb≤2（np－ap）≤2×(26－13)≤26

可分配方案是：

方案Ⅰ：?3pb，?4pb， ?7pb，?8pb，?9pb，?10pb， ?13pb，?14pb，?15pb，?16pb，

?18pb，?19pb，?20pb，?21pb，?22pb，?23pb，?25pb，?26pb ，?27pb，?28pb，?29pb，?31pb，?33pb，?34pb，?35pb，?36pb，?3zn，?7zn，?13zn，?18zn，?22zn，?9zn，?15zn，?20zn，?25zn，?27zn，?29zn，?33zn，?35zn，

方案Ⅱ：?3pb，?7pb，?13pb，?18pb，?22pb，?9pb，?15pb，?20pb，?25pb，?27pb，

?29pb，?33pb，?35pb， ?3pb，?7pb，?9pb，?13pb，?15pb，?18pb，?20pb，?22pb，

?25pb，?27pb，?29pb，?33pb，?35pb，?3zn，?7zn，?13zn，?18zn，?22zn，?9zn，?15zn，?20zn，?25zn，?27zn，?29zn，?33zn，?35zn，

由于设计已给出所有产物的数据，因此直接用所给出的数据进行计算。

㈢计算各产物的产率和回收率 ⑴计算22，27，36的产率和回收率

?1??22??27??36????1?1pb??22?22pb??27?27pb??36?36pb ????????????2222zn2727zn3636zn?11zn?22＝

??1????1pb－?36pb???27zn－?36zn?－??1zn－?36zn???27pb－?36pb????22pb－?36pb???27zn－?36zn?－??22zn－?36zn???27pb－?36pb?

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＝

100????2.187－0.126??56.11－0.265?－?8.79－0.265??0.429－0.126????79.91－0.126??56.11－0.265?－?2.82－0.265??0.429－0.126?

＝2.52℅

?27＝

??1????22pb－?36pb???1zn－?36zn?－??1pb－?36pb???22zn－?36zn????22pb－?36pb???27zn－?36zn?－??22zn－?36zn???27pb－?36pb?

＝

100????79.91－0.126??8.79－0.265?－?2.187－0.126??2.82－0.265????79.91－0.126??56.11－0.265?－?2.82－0.265??0.429－0.126? ＝15.15℅

?36＝?1－?22－?27＝100－2.52－15.15＝82.33℅

?22pb??27pb?22pb?2279.91?2.52??2.82?2.52?0.81% ??92.08%，?22zn?22zn22??1zn8.79?1pb2.187?27pb?270.429?15.15??56.11?15.15?96.71% ???2.97%，?27zn?27zn27??1zn8.79?1pb2.187?36pb??36pb?360.126?82.33??0.265?82.33?2.48% ??4.95%，36zn?36zn36??1zn8.79?1pb2.187校核：?22pb＋?27pb＋?36pb＝92.08＋2.97＋4.95＝100℅

?22zn＋?27zn＋?36zn＝0.81＋96.71＋2.48＝100℅

⑵计算18和23的产率和回收率

?18??22??23? ?????????2222pb2323pb?1818pb?18??＝

22pb－?23pb??22?18pb－?23pb

＝

?79.91－69.30??2.52

73.09－69.30 ＝7.05℅

?23＝?18－?22＝7.05－2.52＝4.53℅

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?18pb??23pb?18pb?1873.09?7.05??5.97?7.05?4.79% ??235.61%，?18zn?18zn18??1zn8.79?1pb2.187?23pb?2369.30?4.53??7.70?4.53?3.98% ???143.53%，?23zn?23zn23??1zn8.79?1pb2.187校核：?22pb＋?23pb＝143.53＋92.08＝235.61℅ ?22zn＋?23zn＝0.81＋3.98＝4.79℅ ⑶计算13和19的产率和回收率

?17??13??23???17??18??19? ??18??19??13??23???18?18pb??19?19pb??13?13pb??23?23pb??13??＝

18pb－?19pb??18－??23pb－?19pb??23?13pb－?19pb

＝

?73.09－53.91??7.05－?69.30－53.91??4.53

56.13－53.91＝29.51℅

?19＝?13＋?23－?18＝29.51＋4.53－7.05＝26.99℅

?13pb??19pb?13pb?1356.13?29.51??15.13?29.51?50.79% ??757.38%，?13zn?13zn13??1zn8.79?1pb2.187?19pb?1953.91?26.99??16.78?26.99?49.98% ???655.30%?19zn?19zn19??1zn8.79?1pb2.187校核：?17＝?13＋?23＝29.51＋4.53＝34.04℅

?17＝?18＋?19＝7.05＋26.99＝34.04℅

?13pb＋?23pb＝757.38＋143.53＝900.91℅ ?18pb＋?19pb＝235.61＋665.30＝900.91℅ ?13zn＋?23zn＝50.79＋3.98＝54.77℅ ?18zn＋?19zn＝4.79＋49.98＝54.77℅

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⑷计算7和14的产率和回收率

?11??7??19???11??13??14? ????????131479???13?13pb??14?14pb??7?7??9?9pb??7??＝

13pb－?14pb??13－??19pb－?14pb??19?7pb－?14pb

＝

?56.13－38.53??29.51－?53.91－38.53??26.99

44.87－38.53 ＝16.45℅

?14＝?7＋?19－?13＝16.45＋26.99－29.51＝13.93℅

?7pb?7pb?744.87?16.45??19.83?16.45?37.11% ???337.50% ，?7zn?7zn7??1zn8.79?1pb2.187?14pb??14pb?1438.53?13.93??22.90?13.93?32.32% ??245.42%，?14zn?14zn14??1zn8.79?1pb2.187

校核：?11＝?7??19＝16.45＋26.99＝43.44℅ ?11＝?13??14＝29.51＋13.93＝43.44℅

?7pb＋?19pb＝337.50＋665.30＝1002.80℅ ?13pb＋?14pb＝757.38＋245.42＝1002.80℅ ?7zn＋?19zn＝37.11＋49.98＝87.09℅

?13zn＋?14zn＝54.77＋32.32＝87.09℅

⑸计算3和8的产率和回收率

?5??3??14???5??7??8? ??7??8??3??14???7?7pb??8?8pb??3?3pb??14?14pb?

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?3??＝

7pb－?8pb??7－??14pb－?8pb??14?3pb－?8pb

＝

?44.87－21.80??16.45－?38.53－21.80??13.93

24.51－21.80 ＝50.04℅

?8＝?3＋?14－?7＝54.04＋13.931－6.45＝51.52℅

?3pb?3pb?324.51?54.04??30.99?54.04?190.52% ???605.63%，?3zn?3zn3??1zn8.79?1pb2.187?8pb?821.80?51.52??32.27?51.52?185.73% ??513.55%，?8zn?8zn8??1zn8.79?1pb2.187?8pb??5??3??14＝54.04＋12.93＝67.97℅

?5??7??8＝16.45＋51.52＝67.97℅

?3pb＋?14pb＝605.63＋245.42＝851.05℅ ?7pb＋?8pb＝337.50＋513.55＝851.05℅ ?3zn＋?14zn＝190.52＋32.32＝222.84℅ ?7zn＋?8zn＝37.11＋185.73＝222.84℅

⑹计算34和35的产率和回收率

?34??35??36? ?????????3535zn3636zn?3434zn?34＝

??36zn－?35zn??36

?34zn－?35zn0.265－7.21??82.33? ＝

0.39－7.21＝83.84℅

?35＝?34－?36＝83.84－82.33＝1.51℅

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