SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
UHANDISI WA KINYUME
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
Cold-Pressed Linseed Oil
Linseed oil is pressed from the ripe seed of flax. It is a drying oil: in air it takes up oxygen and hardens into a tough film, which makes it the binder of oil paint and a classic wood finish. A small hand-cranked screw press squeezes the oil out of the seed; the oil is left to settle and poured off clear.
This is raw linseed oil. Boiled linseed oil is raw oil with metallic driers added, and is not made here. Rags soaked in linseed oil can heat up and catch fire by themselves: step 6 is not optional.
Mwanzo
2 hours, plus 3 days settling
Maagizo
1
1
Clean the seed
Clean the seed
Sieve 1 kg of dry flax seed to remove chaff, stones and broken seed.
Vifaa kwa hatua hii:
Mbegu za kitani1 kgZana zinazohitajika:
Ungo2
2
Set up the press
Set up the press
Clamp the screw press to the bench edge, a jar under the oil outlet and a bowl under the cake nozzle. Warm the press head as its maker describes; a cold head chokes.
Zana zinazohitajika:
Kishindo cha mafuta cha skrubu ya mkono
Kibano cha upau
Mitungi ya kioo yenye vifuniko3
3
Press
Press
Fill the hopper and turn the crank steadily. Oil runs from the barrel and press cake comes out of the nozzle as a pellet. Keep the hopper topped up so the screw never runs empty.
Zana zinazohitajika:
Kishindo cha mafuta cha skrubu ya mkono4
4
Settle
Settle
Cap the jar of cloudy oil and leave it 3 days in a cool, dark place. The fine sediment sinks.
Zana zinazohitajika:
Mitungi ya kioo yenye vifuniko5
5
Decant and bottle
Decant and bottle
Pour the clear oil off the sediment through a coffee filter in a funnel into a dark bottle. Fill it to the top, cap it, and store it cool and dark. Weigh the oil for the notebook.
Zana zinazohitajika:
Vichujio vya kahawa / karatasi ya kuchuja
Faneli ya jikoni
Chupa ya kioo cha kahawia
Mizani ya dijitali ya jikoni6
6
Deal with oily rags
Deal with oily rags
Never bundle oily rags or filters. Spread them flat outdoors to dry, or put them in a metal bucket of water with the lid on, then dispose of them.
Zana zinazohitajika:
Ndoo ya chuma yenye mfuniko7
7
Your yield
Your yield
Inapakia daftari la Jupyter…
8
8
Troubleshooting
Troubleshooting
Screw press troubleshooting.
Flow
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Vifaa
1- 1 kgKishikilia Nafasi
Zana Zinazohitajika
9- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
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