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Gold Prospecting
Do It Yourself (DIY) Projects
blast furnace
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<blockquote data-quote="AtomRat" data-source="post: 228892" data-attributes="member: 3111"><p>Yep pizza oven or ceramics / clay / pottery suppliers Roscoe. My mate bought some $100 p/bag hig temp cement rated to 2600c but check it it has a moisture remover like perlite. Another mate of mine used vermiculite but it retains moisture and causes cracking in the plaster.</p><p></p><p>We ended up using waste oil furnaces made from simple firebrick cut to shape, but then with oil, you must comp3nsate its carbon content. Steel will gain more carbon...carbon will prevent oxidation of other metals like gold and alloy...etc</p><p></p><p>Think of safety. If you making knifes and swords..you want big easy access to the flame and able to fit the whole length of steel in the fire. For crucibles / smelting, I prefur for the whole unit to tip and pour, rather than having to fiddle with picking up the crucible with tongs</p></blockquote><p></p>
[QUOTE="AtomRat, post: 228892, member: 3111"] Yep pizza oven or ceramics / clay / pottery suppliers Roscoe. My mate bought some $100 p/bag hig temp cement rated to 2600c but check it it has a moisture remover like perlite. Another mate of mine used vermiculite but it retains moisture and causes cracking in the plaster. We ended up using waste oil furnaces made from simple firebrick cut to shape, but then with oil, you must comp3nsate its carbon content. Steel will gain more carbon...carbon will prevent oxidation of other metals like gold and alloy...etc Think of safety. If you making knifes and swords..you want big easy access to the flame and able to fit the whole length of steel in the fire. For crucibles / smelting, I prefur for the whole unit to tip and pour, rather than having to fiddle with picking up the crucible with tongs [/QUOTE]
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Gold Prospecting
Do It Yourself (DIY) Projects
blast furnace
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