Recent content by Joatmonbst

  1. J

    Heat exchangers

    Much appreciated Norcon. Thanks :)
  2. J

    Heat exchangers

    It takes 30 to 40 mins about 6 days a week. I don't know how long it takes to fell the wood about 3 men work the forests around here full time but then they cut down many thousands of tonnes every year. Delivery to us takes 1 working day to deliver 125 tonnes. The only gas is in small...
  3. J

    Heat exchangers

    The heat is stored in the warm water - not the milk. unfortunately Cleopatra does not bathe in the warm milk here :wink:
  4. J

    Heat exchangers

    That's great information. I'm beginning to understand most of it now. The Boiler is a Farm 2000 HT60 burning nice clean larch logs about 1m long. It does have a shunt pump which I have just checked to make sure that it is working. The tanks are milk tanks originally used for storing cool...
  5. J

    Heat exchangers

    Why not use a suitable sized plate heat exchanger for the other tank as well instead of a coil? 1, Because the tank water will be les turbulant and will stratify easily, I may have cold water at the bottom whiile the top is good and hot. 2, I will only need one pump instead of 2. 3...
  6. J

    Heat exchangers

    The tanks are actually old milk tanks(running at 60 to 80. We draw large amounts of heat over a period of 20 mins to warm milk up. A larger tank is also used for this purpose this is kept at about 28 to 29. This heat store happens to be about the right size and temp for a swimming pool. :wink...
  7. J

    Heat exchangers

    Hello I'm modifying our heating system. We have a log burner putting out approx 60kw into a large water tank (about 7500galls) The system appears to be corroding quite badly - I have used steel, S/Steel and copper + somewhere I have a leak so the water is being changed allot. Currently this...
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