Results 1 to 11 of 11
  1. #1
    jbelding's Avatar
    jbelding Guest

    Cheese Room Design 24V DC



    My Father is trying to build a Goat cheese storage room for his farm. He wants to run it on 24V DC from his solar system. The room is almost built 15ft long 7ft high 7ft wide R80 insulation all round. He wants to keep it at 50F year round, and the hottest it gets here in the summer is 90F.
    The question is what would be the best type/most efficient refrigeration system for this room and what special things should we consider when spec-ing a cooling system for this room.
    Any help would be greatly appreciated.
    Thanks
    JB



  2. #2
    Join Date
    Oct 2001
    Location
    Nottingham UK
    Posts
    5,668
    Rep Power
    51

    Re: Cheese Room Design 24V DC

    With only 24V available from the solar generator I suppose you should consider a Peltier type cooler

  3. #3
    Brian_UK's Avatar
    Brian_UK is offline Moderator I am starting to push the Mods: of RE Site Moderator : and general nice guy
    Join Date
    Mar 2001
    Location
    Dorset
    Age
    76
    Posts
    11,025
    Rep Power
    60

    Re: Cheese Room Design 24V DC

    Although Danfoss make 12vdc and 24vdc compressors, the BDF range.
    Brian - Newton Abbot, Devon, UK
    Retired March 2015

  4. #4
    Join Date
    Dec 2005
    Location
    South East England
    Age
    56
    Posts
    155
    Rep Power
    19

    Re: Cheese Room Design 24V DC

    Danfoss do a 24 vdc refrigeration compressor for caravan & lorry cab fridges, but I'm not sure it'd have sufficient ouptut to cool the size of room you've given, even with the req'd. 50 deg. F which isn't too low. If you were to go this route you also need to know the available wattage from the solar panels.
    Noah had to leave the dinosaurs behind as they would've sunk the boat.

  5. #5
    Join Date
    Sep 2003
    Location
    ISRAEL
    Age
    72
    Posts
    4,248
    Rep Power
    46

    Re: Cheese Room Design 24V DC

    Hi jbelding,

    Goats cheese can be tricky, is it simple soft white cheese or one of these smelly good things?

    If you don't have electricity there, forget it, it will never work properly.

    About 1.5 TR will do the job.
    If you tell us what kind of cheese your dad is going to store, I can give you some helpful tips.

    Chemi

  6. #6
    jbelding's Avatar
    jbelding Guest

    Re: Cheese Room Design 24V DC

    His cheese is the hard smelly kind that needs to age for many months; hence the need for the storage room. He does have access to the grid, but he wanted to try to use the substantial solar system he has.
    Thanks again for the help

  7. #7
    Join Date
    Nov 2005
    Location
    USA
    Posts
    211
    Rep Power
    19

    Re: Cheese Room Design 24V DC

    What about an absorption system that runs from thermal solar collectors? If designed correctly, firewood can be used as a back up heat source.
    "If Hannah was an air handler, I would be a condensing unit so I could open her TXV and pump my refrigerant through her coils." - a HVAC friend of mine

  8. #8
    Join Date
    Sep 2003
    Location
    ISRAEL
    Age
    72
    Posts
    4,248
    Rep Power
    46

    Re: Cheese Room Design 24V DC

    Hi Hi jbelding,

    Take into consideration that you will have to get rid of ammonia fumes from the cheese. If you do not change the air in the room, you will get holes in the copper pipes. SS coil is very expensive, epoxy coating will hold for many years.

    I would check that absorption option.

    Chemi

  9. #9
    LFFarm's Avatar
    LFFarm Guest

    Re: Cheese Room Design 24V DC

    Quote Originally Posted by star882
    What about an absorption system that runs from thermal solar collectors? If designed correctly, firewood can be used as a back up heat source.
    I'm the dad with the goats and "in construction" cheese making facility. Would you explain an absorbtion system? Thanks

  10. #10
    LFFarm's Avatar
    LFFarm Guest

    Re: Cheese Room Design 24V DC

    Quote Originally Posted by chemi-cool
    Hi jbelding,

    Goats cheese can be tricky, is it simple soft white cheese or one of these smelly good things?

    If you don't have electricity there, forget it, it will never work properly.

    About 1.5 TR will do the job.
    If you tell us what kind of cheese your dad is going to store, I can give you some helpful tips.

    Chemi
    I'm the dad- We are making a raw milk, natural rind, semi-hard, aged over 60 day, goat cheese. Appreciate the help.

  11. #11
    Join Date
    Nov 2005
    Location
    USA
    Posts
    211
    Rep Power
    19

    Re: Cheese Room Design 24V DC

    I'm the dad with the goats and "in construction" cheese making facility. Would you explain an absorbtion system? Thanks
    http://en.wikipedia.org/wiki/Absorptive_refrigeration
    http://en.wikipedia.org/wiki/Gas_abs...n_refrigerator
    "If Hannah was an air handler, I would be a condensing unit so I could open her TXV and pump my refrigerant through her coils." - a HVAC friend of mine

Similar Threads

  1. Cold Room Design - minus 25deg C
    By vijay_study in forum Fundamentals
    Replies: 34
    Last Post: 11-11-2009, 07:12 AM
  2. Cold Room Design
    By vijay_study in forum Fundamentals
    Replies: 11
    Last Post: 09-07-2007, 08:11 AM
  3. Cheese Room Evaporator
    By Ireland in forum Technical Discussions
    Replies: 4
    Last Post: 05-04-2006, 11:22 PM
  4. cheese room problem.
    By alpha in forum Trouble Shooting
    Replies: 10
    Last Post: 04-01-2006, 11:57 PM
  5. Freezer Room Panels
    By Feeze in forum Technical Discussions
    Replies: 10
    Last Post: 22-04-2005, 05:58 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •