So, you can see my power plant on the copper volcano.  It works great to get my temps down to about 300ish.  But after that, I grab all the copper and store it in a container in cold water to cool.  I have come to find that takes FOREVER!  Mostly because it is in 25 ton hunks.  I built out a conveyor system in my bristle farm and killed it all off with high heat as all the copper was still at 250.   So, what do you guys do? I wanted to build a conveyor system that ran it through cooled wate