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Pressurized evacuated tube solar collector

Evacuated tube solar collectors are a slightly more recently developed technology, introduced to the market in the 1970's. There are several varieties of evacuated tubes, however the most commonly used type employs the use of a heat pipe surrounded by a glass tube that is under a vacuum. The glass tube actually consists of two walls of glass. In between the two walls, all the air is removed, resulting in a vacuum in the same manner as a clear Thermos bottle would function. This vacuum is the best insulation one could ask for, and gives the evacuated tubes a much better heat retention than air space.
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  • RNE-HCA-30

  • SOLARAVEN

  • 84199010

Pressurized evacuated tube solar collector

Evacuated tube solar collectors are a slightly more recently developed technology, introduced to the market in the 1970's. There are several varieties of solar evacuated tubes, however the most commonly used type employs the use of a copper heat pipe surrounded by a glass vacuum tube that is under a vacuum. The glass solar tube actually consists of two walls of glass. In between the two walls, all the air is removed, resulting in a  vacuum in the same manner as a clear Thermos bottle function. This vacuum is the best insulation one could ask for, and gives the solar evacuated tubes a much better heat retention than air space.

The copper heat pipe is also pressurized, allowing the heat transfer liquid (usually water) to boil very rapidly, at a very low temperature (usually between 75F and 80F). As the heat transfer liquid boils, it carries the collected heat to the top of the collector, where the heat is then collected by water or heat transfer liquid that flows around the top of the heat pipe, and then transferred to a storage tank or elsewhere in the solar thermal system.

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Heat pipe solar collector tube consists of solar evacuated tube , solar heat pipe and aluminum fin.

20-Tube-Solar-Keymark-Certificated-Heat-Pipe-Vacuum-Tube-Solar-Collector

Evacuated tube solar collector specialty:

1. Evacuated tube solar panel heating efficiency is very higher than Flat panel solar collector.

2. Quick operation under pressure.

3. Strong freezing resistance,no water inside solar evacuated tubes.

4. Easy installation, convenient maintenance.

5. Completely combined with building, install on wall, roof or ground etc


Evacuated tube solar collector technical specification:

1. Outer manifold material: Aluminum alloy 2.0mm thickness

2. Header Pipe material: Red Copper 1.0mm thickness

3. Insulation material: High Density Rock wool

4. Heat pipe material: Red Copper 0.6mm thickness

6. Frame material: Aluminum alloy 2.0mm thickness

7. Seal material: Stabilized high temperature silicon

8. Vacuum tube material: borosilicate glass 3.3; AL-SS-CU absorb coating

9. Collector mounting: flat roof or inclined roof

10. Working pressure: 6 bar

11. Testing pressure: 12ba


Model

tubes   Diameter    (mm)

tubes Length   (mm)

Absorb area (mm)

Quantity   heat-pipe               (pcs)

   Quantity 20GP/40GP/40HQ         (pcs)

RNE-HCA-10

         58

     1800

1.73

10

125/250/310

RNE-HCA-15

2.16

15

109/222/271

RNE-HCA-18

2.57

18

82/164/200

RNE-HCA-20

2.85

20

81/162/198

RNE-HCA-24

3.41

24

71/142/173

RNE-HCA-30

4.25

30

57/104/127


More details:

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