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Brick Blacksmith's Forge with a Bottom-Blast Tuyere
A forge is a hearth with a bowl for the fire and an opening in its bottom, the tuyere, through which the blast of air is forced. One smith's forge of the 1880s was two feet four inches high and four feet square, built of brick and stone, with a 12-inch chimney flue, the tuyere iron set four inches below the surface and the forge hollow underneath so the fire could be dumped and the ashes cleared. Advice of the same time: keep the tuyere's centre at least eighteen inches from the back wall and the working side, set its top four to six inches below the hearth (deeper for heavy work), and leave a recess in the back wall at least 8 inches deep, 24 high and 24 wide. The blast came from a blower or bellows.
中级
Several days
说明
1
1
Build the base
Build the base
Build the hearth of brick and stone, about two feet four inches high and four feet square (one smith's size), hollow underneath with an opening for the ash.
此步骤所需材料：
烧结黏土砖1 as required
石头1 as required所需工具：
瓦刀（砌砖抹刀）2
2
Back wall and recess
Back wall and recess
Raise the back wall and chimney with a 12-inch flue; leave a recess at least 8 in deep, 24 in high and 24 in wide behind the fire.
此步骤所需材料：
烟囱烟道管1 个所需工具：
瓦刀（砌砖抹刀）3
3
Set the tuyere
Set the tuyere
Set the tuyere with its centre at least 18 in from the back wall and the working side, its top 4–6 in below the hearth surface.
此步骤所需材料：
锻炉风口铁1 个4
4
Blast
Blast
Connect the blower or bellows to the tuyere pipe, with a way to open it underneath and clear cinders.
所需工具：
手摇锻炉鼓风机
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