EVENT AIR ORE
CLOCK ELAPSED ADDED in STACK
pressure LpM Gauge Total kg (3 units)
cm H2O * plate flow volume
1348 8 filled with rough charcoal 7.5 800 11.4 655
1352 probe to settle 11.4 653
1405 13 last rough / probed to settle 8.2 11.4 656
1417 12 switch to graded charcoal 11.4 655
1430 13 11.4 656
1445 15 11.4 657
1458 13 11.5 659
1459 start bellows - Richard (1500.30) 9.4 541
1505 start bllows - Neil (1506.30) 6.2 to 7.5 8.5 491
1510 start bellows - Darrell (1511.30) 8.3 477
1512 return to blower /increased (varies) 10 900 12.8 735
1515 17 effect of bellows use? 14 802
1531 16 13.9 798
1544 13 start addition of iron slag 13.8 793 .75 S .75 S
1600 16 13.8 793 .75 S 1.5 S
1613 13 start addition of ore 13.8 791 1 O 2.5 T
1629 16 13.8 794 1 2.75 T
1644 15 10 13.8 794 1 3 O
1658 14 11.2 13.8 791 1 3
1705 bellows - Richard (1706.30) 5 to 10 9.6 549
1709 bellows - Neil (1710.30) 5 to 8.7 9.7 559
1712 bellows - Darrell (1712.30) 5 to 7.5 9.4 542
1713 return to blower / increased (1713.40) 12.5 1000 16.1 924
1716 18 temp A bottom only 1280 15 860 1 3
1729 13 14.6 840 1.5 3.5
1737 first slag tap (no visible air change)
1742 13 14.6 839 1.5 4
1755 13 14.6 837 1.5 4.5
1802 slag tap (no visible air change)
1806 11 14.6 840 1.5 4.5
1821 15 14.5 834 2 5
1835 E 14 E 14.5 833 2 5.5
1849 14 E large self tap (no visible air change) 14.4 828 2 6
1900 11 14.5 835 2 6
1916 16 14.4 829 2 6
1920 major self tap (no visible air change) 15
1929 13 12.5 13.1 758 2 6
1940 11 final addition of ore 14.5 833 1.3 5.3
1944 bellows - Richard (1944.15) 2.5 to 7.5 9.3 532
1945 bellows - Neil (1946.00) 5 to 7.5 8.5 487
bellows - Darrell 1947.45) 8.7 501
1948 8 return to blower - start burn down 12.5 1000 14.8 851 C=3 3.3
2000 reduce air (2000.30) 7.5 800 11.1 640 C=2.5 1.3
2008 reduce air (2009.19) 5 700 7.3 421 C=1.5 0
2020 additional charcoal to cover 6.9 396 C=1.5
start extraction
air reduced (2048.14) 200 4.1 236