Defrost Room Design
Defrost Room Design
(OP)
Has anyone ever designed a defrost room before? I have 96000 lbs of beef that I have to defrost from 0 to 28F over 24 hours. I know what the required Btu's are for the latent heat and the overall warming, but is the room setup similar to a chilling room with a pull down load, or is there a specific way for doing defrost rooms?





RE: Defrost Room Design
so what are you gonna do about a defrost method... I,m curious?
RE: Defrost Room Design
RE: Defrost Room Design
The temperatures of a "normal" hot gas reheat are just about right but the airflows you would employ in something like a carton freezer are much higher than you want for tempering...may best recall is that you don't want anything more than about 40 fpm over a Cryobagged type of product, somewhat higher over something in a paperboard container.
The packaging and single block or particle size will have a lot to do with the "intensity" of the heat application rate but you will need a fairly intense period of heating followed by an equilabration period, and the "target" for the actual finish condition has to be established...Most represent a friable but still crystalline condition, that is only partially defrosted.
RE: Defrost Room Design