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Author Topic: Furnace rebuild  (Read 9900 times)

Offline Jonfb64

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Furnace rebuild
« on: June 25, 2012, 10:23:02 AM »
Hi all,

Started the rebuild of my aluminium furnace about 2 weeks ago. In its old form it had been running for about 5 years on a home made  rectory of fire cement and perlite. I recon about 200 melts of a scrap to ingots and various pours for my Gingery lathe and Shaper.

As  :worthless: here are a few to get going

http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/081-1.jpgFurnace rebuild
original before strip

http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/082.jpgFurnace rebuild
side view

http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/085.jpgFurnace rebuild
lining removed

http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/086.jpgFurnace rebuild
lid which will retain the old home brew

http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/084.jpgFurnace rebuild
and the old lining which is remarkably solid, was just the hot face that was burning away

As can be seen the outside never got hot enough to burn the paint off. Just hope the commercial refractory (1700c) works as well.
More pics of the lining process to follow.

http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/087.jpgFurnace rebuild
this is a shot of the original spill hole

http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/088.jpgFurnace rebuild
chain drilling for the new base

http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/089.jpgFurnace rebuild
http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/090.jpgFurnace rebuild
and chopped out with a chisel

http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/091.jpgFurnace rebuild
support ring for new replaceable (cheap) base tacked in place
« Last Edit: June 26, 2012, 12:02:29 AM by JonIndigoman »
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Offline Jonfb64

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  • Posts: 81
Re: Furnace rebuild
« Reply #1 on: June 26, 2012, 02:28:49 AM »
More pictures

http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/092.jpgFurnace rebuild
http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/093.jpgFurnace rebuild
http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/094.jpgFurnace rebuild
http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/095.jpgFurnace rebuild
http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/096.jpgFurnace rebuild
http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/143.jpgFurnace rebuild
http://i1073.photobucket.com/albums/w397/JonIndigoman/furnace/144.jpgFurnace rebuild

next part of the build and the final shot with lining in place.
the refractory was made with commercial 1700c refractory with added vermiculite in the ratio of 1:1 to make it go further due to the cost, except i ran out with 3inches of the top to fill so used perlite :Doh:
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