EVENT |
Date |
June (20) 2021 |
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Description |
Hals Icelandic Phase 3 A |
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Goal |
simulated Icelandic clay mix |
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Team |
Darrell Markewitz (M) |
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Neil Peterson |
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Rey Cogswell |
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Kay Burnham |
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Richard Schwitzer |
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records |
Kelly Probyn-Smith |
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photos |
Travis Sweet |
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FURNACE |
Type |
Icelandic turf build |
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Material |
Wareham sod / Icelandic clay |
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Walls |
cylinder / clay+sand+horse |
4.5 |
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Interior |
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28 |
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Height |
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75 |
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Stack |
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50 |
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Base |
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15 |
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Packing |
charcoal fines |
14 |
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Tuyere |
standard copper |
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Diameter |
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2 |
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Angle |
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-22.5 |
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Proud |
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5 |
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Air System |
standard electric blower |
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Extraction |
bottom via arch |
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MATERIALS |
Ore |
DD 1 (red) |
51% Fe |
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Charcoal |
Oak |
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CLOCK |
ELAPSED |
EVENT |
AIR |
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CHARCOAL |
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ORE |
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UNIT |
COUNT |
TOTAL |
Unit |
TOTAL |
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pressure |
LpM |
bucket |
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kg |
kg |
kg |
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psi |
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1.8 |
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1200 |
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start wood splints pre-heat |
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touch |
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1300 |
T 60 |
fill with rough charcoal |
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700 |
3 |
3 |
5.40 |
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1314 |
14 |
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1 |
4 |
7.20 |
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1329 |
15 |
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1 |
5 |
9.00 |
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1338 |
9 |
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1 |
6 |
10.80 |
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1352 |
14 |
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1 |
7 |
12.60 |
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1400 |
8 |
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1 |
8 |
14.40 |
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1407 |
T 1:07 |
start graded charcoal |
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1200 |
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main sequence start |
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1205 |
12 |
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1 |
9 |
16.20 |
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1217 |
12 |
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1 |
10 |
18.00 |
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1228 |
11 |
start addition of iron slag |
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1 |
11 |
19.80 |
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1245 |
13 |
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1 |
12 |
21.60 |
1 S |
1 S |
1257 |
12 |
last 2/3 as slug |
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1 |
13 |
23.40 |
1 S |
2 S |
1310 |
13 |
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1 |
14 |
25.20 |
1 S |
3 S |
1322 |
12 |
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1 |
15 |
27.00 |
1 S |
4 S |
1335 |
13 |
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1 |
16 |
28.80 |
1 S |
4 S |
1350 |
15 |
ore addition |
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1 |
17 |
30.60 |
1 O |
1 O |
1405 |
15 |
slag tap |
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1 |
29 |
52.20 |
1 |
2 |
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charcoal fines removed
- lower bowl |
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17 E |
record missed |
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30 |
54.00 |
1 |
3 |
1440 |
17 E |
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1 |
31 |
55.80 |
1 |
4 |
1455 |
15 |
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1 |
22 |
39.60 |
1 |
5 |
1507 |
12 |
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1 |
23 |
41.40 |
1 |
6 |
1526 |
19 |
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1 |
24 |
43.20 |
1 |
7 |
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air increase |
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800 |
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1545 |
19 |
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1 |
25 |
45.00 |
1 |
8 |
1600 |
15 |
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1 |
26 |
46.80 |
1 |
9 |
1613 |
13 |
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1 |
27 |
48.60 |
1 |
10 |
1628 |
15 |
remainder slag |
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1 |
28 |
50.40 |
1 |
11 |
1644 |
16 |
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1 |
29 |
52.20 |
1.5 |
12.5 |
1700 |
16 |
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1 |
30 |
54.00 |
1.5 |
14 |
1715 |
15 |
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1 |
31 |
55.80 |
1.5 |
15.5 |
1733 |
18 |
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1 |
32 |
57.60 |
2 |
17.5 |
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slag tap |
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17 E |
record missed |
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33 |
59.40 |
1.5 |
19 |
1807 |
17 E |
slag tap |
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1 |
34 |
61.20 |
2 |
21 |
1817 |
10 |
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1 |
35 |
63.00 |
1.5 |
22.5 |
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14 E |
record missed |
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1 |
36 |
64.80 |
1.5 |
24 |
1845 |
14 E |
slag tap |
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1 |
37 |
66.60 |
1.5 |
25.5 |
1858 |
13 |
start burn down |
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1 |
38 |
68.40 |
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1930 |
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extra to cover, at about
one remains |
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0.5 |
38.5 |
69.30 |
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start extraction |
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TOTALS |
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Charcoal |
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69 |
kg |
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Ore |
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25.5 |
kg |
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iron slag added |
4 |
kg |
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Bloom |
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8.9 |
kg |
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Gromps |
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Yield |
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35 |
% |
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Condition |
varies, dense to fragmented |
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Quality |
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Slag |
tap slag collected |
7.9 |
kg |
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bowl during extraction |
2.5 |
kg |
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bowl from re-set |
3 |
kg |
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TOTAL |
13.4 |
kg |
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INPUT |
29.5 |
kg |
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OUTPUT |
22.3 |
kg |
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BALANCE |
-7.2 |
kg |
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