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Rice Straw Ash: Burned in a Pit and Sieved
Forge

创建者

Forge

17. 十月 2026NO
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Rice Straw Ash: Burned in a Pit and Sieved

Japanese swordsmiths coat the steel in clay, water and straw ash between heatings and folds, to keep it from oxidising. Burn dry rice straw down to ash in a pit, let it cool, and sieve it fine. The picture: our diagram, straw to fire to sieved ash.
初学者
An evening, cooled overnight

说明

1

Burn the straw

Light a small fire in the pit and feed the dry rice straw onto it an armful at a time, letting each burn down before adding more.

此步骤所需材料:

水稻秸秆水稻秸秆5 公斤

所需工具:

火塘火塘
弓钻弓钻
火绒束火绒束
皮革工作手套皮革工作手套
2

Cool

Let the ash go fully cold overnight before you touch it.

所需工具:

火塘火塘
3

Sieve and keep

Shovel the ash through a fine sieve to take out unburned bits and charcoal. Weigh it and keep it dry in a lidded bucket.

所需工具:

铁锹铁锹
细目筛细目筛
带盖金属提桶带盖金属提桶
等臂天平等臂天平
防尘口罩防尘口罩
4

Ash from your straw

正在加载 Jupyter 笔记本…

材料

1

所需工具

9

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