Each shift we collect about 40 lbs of samples to bake, analyse, and retain. However, since our shipping freezer is all the way on the other side of the plant we have to place those samples in an upright freezer until the start of the next shift. Only during changeovers do we have enough people to spare to put away the samples as well as collect more and be out on the floor. The biggest problem is that we have new samples every 15 min so our freezer is opening and closing all the time. Adding in that since we run all night and day all week our freezer only becomes mildly chilly and unable to keep frozen things frozen. Often times at the end of the shift when we go to bring the samples to our retention cage we find that they have mushed together or started proofing exploding their wrappings or bags. It used to be ok when we could defrost the freezer every other day but we do not have that ability anymore.
I am thinking that a sub zero chest freezer would be better but I don't know if that will burn out as quick. Each sample we put into the freezer is frozen it just requires we open the door constantly to do our tests. We tried adding ice blocks or other cold things in the freezer but that just made it worse.
Is there a freezer anyone can recomend?