You should make a DEUT reactor instead. Here is one- id:3221478
Asking for an explanation for the downvote is somewhat pointless because this save is, well, bad. Jagged lines, poor use of materials, primitive functionality - there's not one single thing that can be changed to make this save "good".
INSL will only ignite when in contact with FIRE/PLSM/LAVA. Just avoid INSL contact with these elements and it will not ignite under any circumstances.
sorry i couldnt get it to work maybe we could try multi