選礦廠檢查分級溢流濃度,通常采用濃度壺進行測定。
具體做法是:
?。?)先校正臺秤(或粗天平)的點;
?。?)檢查空濃度壺的重量與體積,是否與所查濃度壺表相;
?。?)按照取樣規(guī)定,用取樣勺采分級溢流試樣,小心謹慎地將所采樣品倒入濃度壺中,在倒入過程中輕輕地搖動取樣勺,不使礦漿沉淀,并將勺中礦漿倒入壺中,直到濃度壺溢流口有礦漿流出時為止。待溢流口礦漿停止流動時用食指捂住溢流口,以壺中礦漿流出;
?。?)用抹布將濃度壺外壁揩凈,在秤盤上進行稱重;
?。?)根據稱得的壺加礦漿總重量,即可在濃度表上查出礦漿濃度?!?
其他說明
| 濃度 | 總重量 | 濃度 | 總重量 |
| 10% | 1345.13 | 37% | 1490.15 |
| 11% | 1349.87 | 38% | 1496.30 |
| 12% | 1354.65 | 39% | 1502.51 |
| 13% | 1359.48 | 40% | 1508.79 |
| 14% | 1364.34 | 41% | 1515.13 |
| 15% | 1369.26 | 42% | 1521.54 |
| 16% | 1374.22 | 43% | 1528.02 |
| 17% | 1379.22 | 44% | 1534.57 |
| 18% | 1384.28 | 45% | 1541.18 |
| 19% | 1389.38 | 46% | 1547.87 |
| 20% | 1394.53 | 47% | 1554.63 |
| 21% | 1399.73 | 48% | 1561.47 |
| 22% | 1404.97 | 49% | 1568.38 |
| 23% | 1410.27 | 50% | 1575.36 |
| 25% | 1421.02 | 52% | 1589.57 |
| 26% | 1426.47 | 53% | 1596.79 |
| 27% | 1431.98 | 54% | 1604.09 |
| 28% | 1437.54 | 55% | 1611.48 |
| 29% | 1443.15 | 56% | 1618.94 |
| 30% | 1448.83 | 57% | 1626.50 |
| 31% | 1454.55 | 58% | 1634.14 |
| 32% | 1460.34 | 59% | 1641.87 |
| 33% | 1466.18 | 60% | 1649.69 |
| 34% | 1472.08 | 61% | 1657.61 |
| 35% | 1478.05 | 62% | 1665.61 |
| 36% | 1484.07 | 63% | 1673.71 |








