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  • #31
    It pulls the moisture out of the warm dryer air. By cooling the air the moisture condenses and drops out. Without the moisture you can use the still warm air to heat your house. or garage.

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    • #32
      condenser / heat exchanger ...more or less the same thing working in different ways

      so if you run cold water through that gas boiler heat exchanger ..then blow hot air from the dryer over it or through it externally ..water in the hot air will condense on it....

      don't overdo it with the water flow ..or you wont get any saved heat back .

      all the best.markj

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      • #33
        I am thinking of running the "hot" air from the dryer threw some tubes (Evan talked about using pop cans) and then pass the room air over these tubes. The insides of the tubes would collect condensation and need a way to drain off. I would think the then cooled and "dehumidified" air from the dryer after passing threw the tubes could be used as the source to blow across the tubes? Instead of a second fan or whatever blowing air across the heated tubes? Yes no?
        Andy

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        • #34
          Originally posted by Rustybolt View Post
          It pulls the moisture out of the warm dryer air. By cooling the air the moisture condenses and drops out. Without the moisture you can use the still warm air to heat your house. or garage.
          Okay I see what you're doing now....I was a little confused by your explanation.


          Originally posted by aboard_epsilon View Post
          condenser / heat exchanger ...more or less the same thing working in different ways

          so if you run cold water through that gas boiler heat exchanger ..then blow hot air from the dryer over it or through it externally ..water in the hot air will condense on it....

          don't overdo it with the water flow ..or you wont get any saved heat back .

          all the best.markj

          condenser / heat exchanger ...more or less the same thing working in different ways
          ...not exactly. In this instance a heat exchanger is used to condense the moisture in the air, but a heat exchanger comes in many different forms and has many different functions.

          For instance a radiator in an automobile is a fin and tube heat exchanger, used to reduce the temperature of the engine coolant..no condensing there. A shell and tube heat exchanger can be used to transfer heat from one liquid to another...no condensing there. The pulp and paper mill I am employed in has many different functions for heat exchangers. One being the condensor for our turbo-generator to condense the steam to increase pressure differential across the turbine, and another condensor on the output of our multiple effect evaporators to maintain a vacuum to aid/increase steam flow, both shell and tube heat exchangers.

          So you see there are many forms and functions of heat exchangers, and I've just touched the tip.

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          • #35
            Originally posted by cdndewey View Post
            Okay I see what you're doing now....I was a little confused by your explanation.





            condenser / heat exchanger ...more or less the same thing working in different ways
            ...not exactly. In this instance a heat exchanger is used to condense the moisture in the air, but a heat exchanger comes in many different forms and has many different functions.

            For instance a radiator in an automobile is a fin and tube heat exchanger, used to reduce the temperature of the engine coolant..no condensing there. A shell and tube heat exchanger can be used to transfer heat from one liquid to another...no condensing there. The pulp and paper mill I am employed in has many different functions for heat exchangers. One being the condensor for our turbo-generator to condense the steam to increase pressure differential across the turbine, and another condensor on the output of our multiple effect evaporators to maintain a vacuum to aid/increase steam flow, both shell and tube heat exchangers.

            So you see there are many forms and functions of heat exchangers, and I've just touched the tip.
            what I meant was they were one and the same in the instance I was talking about ..nothing more

            all the best.markj

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