[Tastebridge] [Noisebridge-discuss] how to build up cold room - cooling system tips

Tony Longshanks LeTigre anthonyletigre at gmail.com
Thu May 2 16:37:50 UTC 2013


Miloh posted an article quite a while ago, maybe a full year? about a group
that had built a cooler that required no electricity using 2-liter soda
bottles & little else I believe. Did you see that? Maybe Miloh can dig it
up again or you can find it in the archives.

+11+

On Mon, Apr 22, 2013 at 11:21 PM, Frantisek Apfelbeck <algoldor at yahoo.com>wrote:

> Thanks Ben!
> Me and my girlfriend are going to move in max two weeks, within a month we
> should have allocated space and resources for building the fermentation
> room and cold room.
>
> I will be continuing to work on the design in two weeks or so when we are
> on the spot and I have access to the Internet etc. I hope that we will be
> able to replicate this "cold room" under the food hacking base at OHM 2013.
>
> Many thanks for tips, talk to you soon about it!
>
> Sincerely,
>
> FAA
>
> Frantisek Algoldor Apfelbeck
>
> biotechnologist&kvasir and hacker
>
>
> http://www.frantisekapfelbeck.org
>
>
> "There is no way to peace, peace is the way." Mohandas Karamchand Gandhi
>
>   ------------------------------
>  *From:* Ben Kochie <superq at gmail.com>
> *To:* Frantisek Apfelbeck <algoldor at yahoo.com>
> *Cc:* 091 Foods <091-food at googlegroups.com>; tastebridge tastebridge <
> tastebridge at lists.noisebridge.net>; Richard Conroy <
> richard.conroy at gmail.com>; "foodhackingbase at lists.hackerspaces.org" <
> foodhackingbase at lists.hackerspaces.org>; Noisebridge <
> noisebridge-discuss at lists.noisebridge.net>
> *Sent:* Tuesday, April 23, 2013 11:14 AM
>
> *Subject:* Re: [Noisebridge-discuss] how to build up cold room - cooling
> system tips
>
> The coolbot looks like a good solution to the problem.  Basically what
> it looks designed to do is cycle the compressor in such a way that the
> coils don't get clogged up with ice.  It's possible that this could be
> reproduced with a arduino/raspberry pi type device.
>
> You probably only need 10-15cm of insulation if you do a good job
> sealing each layer and preventing leaks.  One thing you could do is
> use mylar sheet (like emergency blanks) and foil tape
> (http://www.3m.com/product/information/Aluminum-Foil-Tape.html) to
> create a heat reflective and air leak preventing barrier.  That should
> get you a better insluation % than just foam alone.
>
> On Thu, Mar 14, 2013 at 5:23 PM, Frantisek Apfelbeck <algoldor at yahoo.com>
> wrote:
> > Thanks,
> > Answers in the text as >>>
> >
> > Frantisek Algoldor Apfelbeck
> >
> > biotechnologist&kvasir and hacker
> >
> > http://www.frantisekapfelbeck.org
> >
> > "There is no way to peace, peace is the way." Mohandas Karamchand Gandhi
> >
> > ________________________________
> > From: Richard Conroy <richard.conroy at gmail.com>
> > To: "091-food at googlegroups.com" <091-food at googlegroups.com>
> > Cc: tastebridge tastebridge <tastebridge at lists.noisebridge.net>; 091
> Foods
> > <091-food at googlegroups.com>; "foodhackingbase at lists.hackerspaces.org"
> > <foodhackingbase at lists.hackerspaces.org>; Noisebridge
> > <noisebridge-discuss at lists.noisebridge.net>
> > Sent: Thursday, March 14, 2013 11:29 PM
> > Subject: Re: [Noisebridge-discuss] how to build up cold room - cooling
> > system tips
> >
> > an airlock style double door will go a long way towards preventing
> > temperature dilution.
> >
> >>>> yes  that sounds like a good idea, I should not go to the cold room
> very
> >>>> often, maybe few times per day so there should not be too much air
> exchange
> >>>> with the fermentation room
> >
> > The key thing with a cold room is how precise you need the cooling to
> be. I
> > know a few guys who do lagering and that is tricky to get right.
> >
> >>>> The temperature in the cold room can range between 1-4C (34-39F) or
> so,
> >>>> it doesn't has to be precise too much in this case because various
> brews
> >>>> will be stored there.
> >
> > If your insulation is good then your cooling needs only be active in
> > restoring the temperature.
> >
> >>>> I will have to decide on the insulation, I think that 15-20 cm
> (+-0.6ft)
> >>>> of polystyrene should do the trick, with probably 2 drywall panels on
> the
> >>>> top and some easy to clean painting. Option number two which may be
> more
> >>>> easy here is to buy already made panels with steel coating on both
> sides and
> >>>> polystyrene in the middle, they use it here a lot. However if I get
> that, I
> >>>> need to get hands on some metal cutter and probably welding gear and
> I'm
> >>>> quiet inexperienced with both ...
> >
> > Also if you can get your hands on a horizontal fridge like what you get
> in a
> > supermarket for ice creams, it will provide a lot of protection as it is
> > well insulated
> >
> >>>> I have seen guys using this type of freezer but hacked in Seoul
> exactly
> >>>> for lagering beer, looked good, I may use it in the future for the
> same
> >>>> process.
> >
> >>>> Many thanks, still doing research on the cooling unit but it looks
> like
> >>>> that it should not be too difficult to turn the air conditioner to the
> >>>> cooling device, there is a commercial kit called coolbot for some
> $300. I
> >>>> want to find if they are open source and if they are not I want to
> find some
> >>>> open source option. This will be amazing thing to do in Central
> America ...
> >>>> I am sure some people do it already but many do not know how to do
> such
> >>>> things, ohhh hackerspaces how much we need them!
> >
> >>>> Sincerely from Jeju,
> >
> >>>> Frantisek
> >
> > Sent from my iPhone
> >
> > On 13 Mar 2013, at 13:00, Frantisek Apfelbeck <algoldor at yahoo.com>
> wrote:
> >
> > Hi to all,
> > I'm preparing proposal for a fermentation facility (which I will share
> soon)
> > for a village project here in South Korea  Jeju) and part of that is
> build
> > up of fermentation room and importantly for this email cold room. I would
> > like to ask if someone has experience with building up a cold room or
> just
> > knows the staff. I have used many of  them during my work both in
> industrial
> > facilities and in academy environment but never build any by myself. The
> > major think at the moment is the cooling unit - what would be the  types
> and
> > prices. I wonder if there would be some way how to hack an existing air
> > conditioner if so what types ... Important note we have access to a
> steady
> > supply of electricity and water.
> >
> > Few details about cold room. The temperature inside should be 1-4C
> (34-39F),
> > the space is around a=2 m (2yd 0.56b ft(; b=3 m (3yd 0.84 ft); c=2.5 m
> (2yd
> > 2.2 ft), the measures are just approximate I need more details, the
> place is
> > actually quite irregular in it's shape, part of it is under the stairs (I
> > should have details next week, once I have I make and share a basic
> Google
> > SketchUp model).  In order to get into the cold room we will have to walk
> > through the fermentation room which will be set at temperature of 25C
> (77F)
> > of similar size more as the cold room, just longer and more narrow. The
> > floor are tiles and concrete below, walls are first the two layers of
> > drywall and below I believe solid concrete but I have to check on that (I
> > certainly plan to put in some insulation like polystyrene). Note - I
> have to
> > say that I'm quite a bit worried about the transfer of the heat from the
> > fermentation room to the cold room ...
> >
> > Up to now my impression about cooling systems which could be used is that
> > they are above $1000 or even $2000 which is quite a bit, am I right?
> >
> > Well that would be the basic details. I plan to share the know how which
> > will be accumulated during this project as usually so it can be used by
> > people in the future. I hope to replicate the cold room in the future of
> > course, first chance may be this summer at OHM 2013 in Holland with Food
> > Hacking base project, if everything goes alright, the cooling space for
> > supplies/brews is always an issue.
> >
> > Many thanks for any help!
> >
> > Sincerely,
> >
> > FAA
> >
> > PS I'm not sure at the moment how much I can share the financial details
> of
> > the project (I think it should be fine, but I should ask first) but I can
> > imagine $2000 going to the cold room (material/equipment) maybe a bit
> more
> > but not too much ...
> >
> > Frantisek Algoldor Apfelbeck
> >
> > biotechnologist&kvasir and hacker
> >
> >
> > http://www.frantisekapfelbeck.org
> >
> >
> > "There is no way to peace, peace is the way." Mohandas Karamchand Gandhi
> > --
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> >
> >
> >
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