How long will it take you to drain the remaining 300 frames??!!
By Sunday teatime the waxmoths had got impatient and pushed me aside.....
My embryonic thoughts on that dryer is its basically an OMF on casters with a couple of large computer fans playing air over two or three of these:
https://www.toolstation.com/tubular-heater/p32265?&mkwid=s_dt&pcrid=509979112735&pkw=&pmt=b&gclid=Cj0KCQjwl_SHBhCQARIsAFIFRVVizmJT9ii45uKat1pvI5sNQ2I6PrJsPVxo6DjTLwIncuHTe0lIhngaAsbXEALw_wcB&gclsrc=aw.ds