EVENT |
Date |
August - 27 - 2023 |
|
|
|
|
|
|
|
|
Description |
Caherconnell Furnace Festival |
|
|
|
|
|
|
|
|
Goal |
Irish Hematite ore test |
|
|
|
|
|
|
|
|
Team |
Daniel Jeffery (lead) |
|
|
|
|
|
|
|
|
|
Darrell Markewitz |
|
|
|
|
|
|
|
|
|
Coilin O Dubhghail |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
FURNACE |
Type |
short shaft |
|
|
|
|
|
|
|
|
Material |
Irish local clay + sand |
|
|
|
|
|
|
|
|
Walls |
slightly oval cylinder, rounded base |
n/r |
|
|
|
|
|
|
|
Interior |
|
30 x 35 |
|
|
|
|
|
|
|
Height |
|
69 |
|
|
|
|
|
|
|
Stack |
|
55 |
|
|
|
|
|
|
|
Base |
|
11 |
|
|
|
|
|
|
|
Packing |
ash and fines |
10 |
|
|
|
|
|
|
|
Tuyere |
provided (5mm?) copper |
|
|
|
|
|
|
|
|
Diameter |
|
2 |
|
|
|
|
|
|
|
Angle |
|
20 |
|
|
|
|
|
|
|
Proud |
|
4.5 |
|
|
|
|
|
|
|
Air System |
provided vacuum blower |
|
|
|
|
|
|
|
|
Extraction |
cold - bottom via arch |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
MATERIALS |
Ore |
Irish Hematite, roasted |
41% Fe |
|
|
|
|
|
|
|
Charcoal |
ash |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
CLOCK |
ELAPSED |
EVENT |
AIR |
|
CHARCOAL |
|
|
ORE |
|
|
|
|
|
|
UNIT |
COUNT |
TOTAL |
Unit |
TOTAL |
|
|
|
pressure |
LpM |
bucket |
|
kg |
kg |
kg |
|
|
|
psi |
|
|
|
1 |
|
|
|
|
|
|
|
|
|
|
|
|
1100 |
|
start wood splints pre-heat |
|
touch |
|
|
|
|
|
1205 |
T 65 |
first charcoal to light |
|
|
1 |
1 |
1.00 |
|
|
1208 |
|
fill |
|
25% |
4 |
5 |
5.00 |
|
|
1215 |
|
air increased |
|
|
|
|
|
|
|
1219 |
11 |
|
|
|
1 |
6 |
6.00 |
|
|
1226 |
7 |
|
|
|
1 |
7 |
7.00 |
|
|
1234 |
8 |
|
|
|
1 |
8 |
8.00 |
|
|
1242 |
8 |
|
|
|
1 |
9 |
9.00 |
|
|
1253 |
11 |
|
|
|
1 |
10 |
10.00 |
|
|
1300 |
7 |
first ore 500 bog / 500 hematite |
|
|
1 |
11 |
11.00 |
|
|
|
|
as 250 gm additions, spread |
|
|
|
|
|
|
|
1306 |
6 |
|
|
|
1 |
12 |
12.00 |
1 |
1 |
1312 |
6 |
all hematite |
|
|
1 |
13 |
13.00 |
1 |
2 |
1322 |
10 |
|
|
|
1 |
14 |
14.00 |
1 |
3 |
1329 |
7 |
|
|
|
1 |
15 |
15.00 |
1 |
4 |
1335 |
6 |
|
|
|
1 |
16 |
16.00 |
1 |
5 |
1344 |
9 |
as 3 x 500 gm |
|
|
1 |
17 |
17.00 |
1.5 |
6.5 |
1350 |
6 |
|
|
|
1 |
18 |
18.00 |
1.5 |
8 |
1356 |
6 |
|
|
|
1 |
19 |
19.00 |
1.5 |
9.5 |
1402 |
6 |
|
|
|
1 |
20 |
20.00 |
2 |
11.5 |
1410 |
8 |
|
|
|
1 |
21 |
21.00 |
2 |
13.5 |
1416 |
6 |
|
|
|
1 |
22 |
22.00 |
2 |
15.5 |
1427 |
11 |
|
|
|
1 |
23 |
23.00 |
2 |
17.5 |
1436 |
9 |
|
|
|
1 |
24 |
24.00 |
2 |
19.5 |
1445 |
9 |
|
|
|
1 |
25 |
25.00 |
2 |
21.5 |
1452 |
7 |
|
|
|
1 |
26 |
26.00 |
2 |
23.5 |
1502 |
10 |
|
|
|
1 |
27 |
27.00 |
2 |
25.5 |
1512 |
10 |
final to cover |
|
|
1 |
28 |
28.00 |
|
|
|
|
start burn down |
|
|
|
|
|
|
|
|
|
no time for extraction |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
TOTALS |
|
|
|
|
|
|
|
|
|
|
Charcoal |
|
28 |
kg |
|
|
|
|
|
|
Ore |
|
25.5 |
kg |
|
|
|
|
|
|
Bloom |
|
1437 |
gm |
|
|
|
|
|
|
Gromps |
|
1025 |
gm |
|
|
|
|
|
|
Yield |
|
6 |
% |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Condition |
fragmented, spongy |
|
|
|
|
|
|
|
|
Quality |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Main Sequence |
122 |
min |
|
|
|
|
|
|
|
Ore |
4.8 |
min/kg |
|
|
|
|
|
|
|
Charcoal |
7.6 |
min/kg |
|
|
|
|
|