| EVENT | Date | 98/D40 | 03-Nov-24 | |||||||
| Description | Icelandic Reused / Pluse Air | |||||||||
| Goal | repair of weathered furnace (2021) | |||||||||
| Team | Darrell Markewitz | lead | ||||||||
| Neil Peterson | extract | |||||||||
| Neil | measures | |||||||||
| Rey Cogswell | ore | |||||||||
| Daniel Hefnier | charcoal | |||||||||
| Rey | hammer | |||||||||
| Daniel | hammer | |||||||||
| hammer | ||||||||||
| Darrell / Neil | records | |||||||||
| Darrell / Neil | photos | |||||||||
| FURNACE | Type | Icelandic sod build | ||||||||
| Material | Icelandic clay analog liner, stone front | |||||||||
| Walls | 3 cm | |||||||||
| OD | sod | |||||||||
| ID | flat at front | 40 x 28 | ||||||||
| at tuyere | 40 x 28 | |||||||||
| Height | 60 - 63 | |||||||||
| Stack | 40 x 28 | |||||||||
| Base | ashes from pre-heat / drying | |||||||||
| Plinth | none | |||||||||
| Packing | n/a | |||||||||
| Tuyere | ceramic tube | |||||||||
| ID | 2.5 | |||||||||
| Mounted | insert | |||||||||
| Angle | down | 22 | ||||||||
| Distance | proud | 5 cm | ||||||||
| Air System | blower via plusing gate | |||||||||
| Extraction | top | |||||||||
| MATERIALS | Ore 1 | DD1 - 17 kg | (% Fe) | 54.5 | ||||||
| Ore 2 | n/a | |||||||||
| Tap Slag | 4.5 kg | |||||||||
| Gromps | n/a | |||||||||
| Charcoal | ash / oak 1.8 kg (NR) | |||||||||
| CLOCK | ELAPSED | RATE | EVENT | AIR | CHARCOAL | ORE | ||||
| UNIT | COUNT | TOTAL | Unit | TOTAL | ||||||
| pressure | LpM | bucket | kg | kg | kg | |||||
| psi | 1.8 | |||||||||
| 805 | start wood splints pre-heat | |||||||||
| 840 | gentle air (straight from blower) | |||||||||
| 915 | air increase (straight from blower) | 200 | ||||||||
| 940 | 1 35 | ash wood splints | 0.00 | |||||||
| 945 | start plusing gate | 500 | ||||||||
| 1000 | 20 | first rough charcoal - oak | 900 | 1 | 1 | 1.80 | ||||
| 1004 | fill with rough charcoal | 4 | 5 | 9.00 | ||||||
| 1010 | 6 | 3.3 | 1 | 6 | 10.80 | |||||
| 1014 | 4 | 2.2 | probe to settle | 1 | 7 | 12.60 | ||||
| 1017 | add loose dirt to right front corner | 0.00 | ||||||||
| 1023 | 9 | 5.0 | probe to settle / start graded fuel | 1 | 8 | 14.40 | ||||
| about 78 pulses/sec | ||||||||||
| 1031 | 8 | 4.4 | 1 | 9 | 16.20 | |||||
| 1033 | reduce air | 800 | ||||||||
| 1034 | probe to settle | |||||||||
| 1049 | 17 | 9.4 | 1 | 10 | 18.00 | |||||
| 1055 | 6 | 3.3 | probe to settle | 11 | 19.80 | |||||
| 1107 | 12 | 6.7 | 1 | 12 | 21.60 | |||||
| 1112 | 5 | 2.8 | 1 | 13 | 23.40 | |||||
| 1122 | 10 | 5.6 | first slag addition | 1 | 14 | 25.20 | 1 S | 1 S | ||
| 1137 | 15 | 8.3 | 1 | 15 | 27.00 | 1 S | 2 S | |||
| 1157 | 20 | 11.1 | 1 | 16 | 28.80 | 1 S | 3 S | |||
| 1212 | 15 | 8.3 | 1 | 17 | 30.60 | 1 S | 4 S | |||
| 1224 | 12 | 6.7 | first ore addition | 1 | 18 | 32.40 | 1 | 1 | ||
| 1225 | 1 | 0.6 | about 108 pluses/ sec (corrected) | |||||||
| 1228 | 4 | 2.2 | probe to settle | 1 | 19 | 34.20 | 1 | 2 | ||
| 1239 | 11 | 6.1 | 1 | 20 | 36.00 | 1 | 3 | |||
| 1302 | 23 | 12.8 | 1 | 21 | 37.80 | 1.5 | 4.5 | |||
| 1315 | 13 | 7.2 | 1 | 22 | 39.60 | 1.5 | 6 | |||
| 1332 | 17 | 9.4 | slag drained | 1 | 23 | 41.40 | 1.5 | 7.5 | ||
| 1354 | 22 | 12.2 | lower front stones pulled to drain | 1 | 24 | 43.20 | 2 | 9.5 | ||
| 1405 | slag bowl, major tapping | |||||||||
| 1413 | 19 | 10.6 | 1 | 26 | 46.80 | 2 | 11.5 | |||
| 1430 | 17 | 9.4 | 1 | 27 | 48.60 | 2 | 13.5 | |||
| NR | clock stops | 1 | 28 | 50.40 | 3 | 16.5 | ||||
| 1445 | 15 | 8.3 | switch to accurate time | 1 | 29 | 52.20 | 0.45 | 17 | ||
| 1452 | self tap | |||||||||
| 1410 | 25 | 13.9 | last charcoal to cover | 1 | 30 | 54.00 | ||||
| start burn down | ||||||||||
| 1548 | remove pulsing gate | 600 | ||||||||
| 1550 | additional bucket covers exposed ore | 1 | 31 | 55.80 | ||||||
| 1625 | extraction starts | |||||||||
| 1637 | complete initial compaction | |||||||||
| TOTALS | ||||||||||
| Charcoal | 56 | kg | ||||||||
| Ore | 17 | kg | ||||||||
| tap slag added | 4 | kg | ||||||||
| gromps added | ||||||||||
| Bloom | 0.971 | kg | ||||||||
| Gromps | 2000 | |||||||||
| Yield | 6 | % | ||||||||
| Condition | ||||||||||
| Quality | ||||||||||