TIME |
|
|
EVENT |
ORE |
|
|
FUEL |
|
AIR |
|
ABSOLUTE |
RELATIVE |
ELAPSED |
|
SCOOP |
CHARGED |
TOTAL |
BUCKET |
TOTAL |
PRESSURE |
SETTING |
|
|
|
|
|
|
|
|
|
|
|
11:45 |
|
|
start wood splint pre heat |
|
|
|
|
|
|
|
12:52 |
1:07 |
1:07 |
one bucket fuel - air blast adjustment |
|
|
|
1 |
1 |
|
|
|
0:00 |
|
|
|
|
|
|
|
|
|
12:56 |
0:00 |
0:00 |
fill with graded charcoal - main sequence start |
|
|
|
4 |
5 |
|
1.5 |
13:09 |
0:13 |
0:13 |
|
|
|
|
1 |
6 |
|
|
13:19 |
|
|
adjust air |
|
|
|
|
|
5 |
1 |
13:21 |
0:25 |
0:12 |
|
|
|
|
1 |
7 |
|
|
13:33 |
0:37 |
0:12 |
|
|
|
|
1 |
8 |
|
|
13:39 |
0:43 |
|
1st ore charge - as slug |
1 |
|
0.25 |
|
|
|
|
13:50 |
0:54 |
0:17 |
|
1 |
0.50 |
0.50 |
1 |
9 |
|
|
14:01 |
1:05 |
|
adjust tuyere gap to 7.5 cm |
1 |
|
0.75 |
|
|
|
|
14:06 |
1:10 |
0:16 |
|
1 |
0.50 |
1.00 |
1 |
10 |
|
|
14:13 |
1:17 |
|
|
1 |
|
1.25 |
|
|
|
|
14:19 |
1:23 |
0:13 |
adjust tuyere gap to 9 cm |
1 |
0.50 |
1.50 |
1 |
11 |
|
|
14:30 |
1:34 |
|
|
1 |
|
1.75 |
|
|
|
|
14:37 |
1:41 |
|
slag observed at blow hole |
|
|
|
|
|
|
|
14:38 |
1:42 |
0:19 |
|
1 |
0.50 |
2.00 |
1 |
12 |
|
|
14:48 |
1:52 |
|
(estimated) |
1 |
|
2.25 |
|
|
|
|
14:51 |
1:55 |
|
|
1 |
|
2.50 |
|
|
|
|
14:56 |
2:00 |
0:18 |
|
|
0.75 |
|
1 |
13 |
|
|
14:59 |
2:03 |
|
|
1 |
|
2.75 |
|
|
|
|
14:59 |
2:03 |
|
|
1 |
|
3.00 |
|
|
|
|
15:03 |
2:07 |
|
|
1 |
|
3.25 |
|
|
|
|
15:08 |
2:12 |
|
|
1 |
|
3.50 |
|
|
|
|
15:12 |
2:16 |
0:16 |
|
1 |
1.25 |
3.75 |
1 |
14 |
|
|
15:14 |
2:18 |
|
air adjustment / poke through bowl from top |
|
|
|
|
|
|
0.75 |
15:16 |
2:20 |
0:02 |
|
1 |
|
4.00 |
|
|
|
|
15:19 |
2:23 |
|
|
1 |
|
4.25 |
|
|
|
|
15:25 |
2:29 |
|
|
1 |
|
4.50 |
|
|
|
|
15:30 |
2:34 |
0:18 |
|
1 |
1.00 |
4.75 |
1 |
15 |
|
|
15:34 |
2:38 |
|
air to maxium |
|
|
|
|
|
|
0 |
15:35 |
2:39 |
|
|
1 |
|
5.00 |
|
|
|
|
15:37 |
2:41 |
|
|
1 |
|
5.25 |
|
|
|
|
15:39 |
2:43 |
|
|
1 |
|
5.50 |
|
|
|
|
15:45 |
2:49 |
0:15 |
|
1 |
1.00 |
5.75 |
1 |
16 |
|
|
15:47 |
2:51 |
|
|
1 |
|
6.00 |
|
|
|
|
15:52 |
2:56 |
|
|
1 |
|
6.25 |
|
|
|
|
15:54 |
2:58 |
0:09 |
|
2 |
1.00 |
6.75 |
1 |
17 |
|
|
16:00 |
3:04 |
|
|
2 |
|
7.25 |
|
|
|
|
16:04 |
3:08 |
|
|
2 |
|
7.75 |
|
|
|
|
16:09 |
3:13 |
0:13 |
|
2 |
1.50 |
8.25 |
1 |
18 |
|
|
16:15 |
3:19 |
0:06 |
open tap arch and attempt to drop slag bowl |
4 |
1.00 |
9.25 |
1 |
19 |
|
|
16:20 |
3:11 |
|
|
2 |
|
9.75 |
|
|
|
|
16:22 |
3:13 |
|
|
2 |
|
10.25 |
|
|
|
|
16:25 |
3:16 |
|
|
2 |
|
10.75 |
|
|
|
|
16:28 |
3:19 |
0:13 |
|
2 |
2.00 |
11.25 |
1 |
20 |
|
|
16:34 |
3:25 |
|
|
4 |
|
12.25 |
|
|
|
|
16:37 |
3:28 |
|
|
2 |
|
12.75 |
|
|
|
|
16:40 |
3:31 |
0:12 |
|
2 |
2.00 |
13.25 |
1 |
21 |
|
|
16:46 |
3:37 |
|
|
|
|
|
|
|
|
|
16:48 |
3:39 |
0:08 |
attempt to drop slag bowl |
|
|
|
1 |
22 |
|
|
16:50 |
3:41 |
|
|
4 |
|
14.25 |
|
|
|
|
16:55 |
3:46 |
0:07 |
|
2 |
1.50 |
14.75 |
1 |
23 |
|
|
|
|
|
Discussion - burns down to 30 cm above tuyere |
|
|
|
|
|
|
|
17:15 |
4:06 |
0:20 |
layered as 2 scoops to 1/3 bucket - added all at same time |
6 |
1.50 |
16.25 |
1 |
24 |
|
|
17:19 |
4:10 |
|
new working height set as 40 cm above tuyere |
|
|
|
|
|
|
|
17:20 |
4:11 |
|
|
2 |
|
16.75 |
|
|
|
|
17:24 |
4:15 |
|
|
2 |
|
17.25 |
|
|
|
|
17:26 |
4:17 |
|
|
2 |
|
17.75 |
|
|
|
|
17:28 |
4:19 |
0:13 |
|
2 |
2.00 |
18.25 |
1 |
25 |
11 |
full |
17:32 |
4:23 |
|
|
4 |
|
19.25 |
|
|
|
|
17:35 |
4:26 |
|
|
2 |
|
19.75 |
|
|
|
|
17:37 |
4:28 |
0:09 |
|
2 |
2.00 |
20.25 |
1 |
26 |
|
|
17:40 |
4:31 |
|
|
6 |
|
21.75 |
|
|
|
|
17:44 |
4:35 |
0:07 |
|
3 |
2.25 |
22.50 |
1 |
27 |
|
|
17:47 |
4:38 |
|
|
3 |
|
23.25 |
|
|
|
|
17:50 |
4:41 |
|
|
3 |
|
24.00 |
|
|
|
|
17:55 |
4:46 |
0:11 |
|
3 |
2.5 |
24.75 |
1 |
28 |
|
|
17:58 |
4:49 |
|
|
3 |
|
25.50 |
|
|
|
|
18:00 |
4:51 |
|
|
3 |
|
26.25 |
|
|
|
|
18:03 |
4:54 |
0:08 |
|
3 |
2.5 |
27.00 |
1 |
29 |
|
|
18:07 |
4:58 |
|
|
3 |
|
27.75 |
|
|
|
|
18:11 |
5:02 |
|
|
3 |
|
28.50 |
|
|
|
|
18:15 |
5:06 |
0:12 |
|
5 |
2.75 |
29.75 |
1 |
30 |
|
|
|
|
|
Start burn down phase |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
TOTAL |
SMELT TIME |
5:30 |
|
|
|
|
|
|
|
|
|
CHARCOAL |
120 |
lbs |
|
|
|
|
|
|
|
|
ORE |
30 |
KG |
|
|
|
|
|
|
|
|
BLOOM |
1.7 |
KG |
|
|
|
|
|
|
|
|
YIELD |
5 |
% |
|
|
|
|
|