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  Email: E-qalsale@china-nicesolar.com         Tel: +0086-0573-86615338
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Heat pipe


Overview


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Feature:
A perfect combination of the vacuum tube and the heat pipe.
1).Higher heat efficiency: advanced heat transferring style of the heat pipe,excellent selective absorb coating and perfect combination with high vacuum heat preservation.
2).Wide applicable range: as the heat pipe has less heat capacity, it can be started quickly even under cloudy fine day and collect heat effectively. It can work normally even-30 below degree. As no water in the vacuum tube, it can effectively prevent lowing of heat efficiency due to frost cracking or scaling.
3).Each individual tube can work independently,and the whole maching can still work if individual tube is damaged. The service life of the heat pipe can be longer than 15 years.
4). The unique connection between the heat pipe and the vacuum tube can ensure both sealing and replace of damaged glass vacuum tube.
 


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Working principe
The selective coating on the inner cover of the evacuated tubes converts solar energy into heat energy and transfers heat to the heat pipes by aluminum fins. the liquid in the heat pipe changes into vapour which rises to the condenser. 
The heat then passes through the heat exchanger and the vapour becomes liquid,returning to the base of the heat pipe.
The heat conducts to the theat transfer liquid (anti-freezing liquid or water) via a copper pipe.This transference of heat into the luquid creates a continuous circulation as long as the collector is heated by the sun.

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Superconduction metal heat pipe vacuum tube

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Model
QAL-SCM70
  Size of Conderser
  Φ14×75mm
  Length of tube
  1700mm
  Outer tube diameter
  Φ70mm
  Glass thickness
  2.0mm
  Glass material
  Borosilicate Glass 3.3
  Absorber material
  Aluminum
  Absorptive coating
  ALN/AIN-SS/CU
  Absorption coefficient
  >95%
  Emission coefficient
  <5%
  Vacuum
  P<3.5×10-3Pa
  Freezing resistance
  -35℃
  Stagnation temperature
  >220℃
  Net weight
  2.21Kg
  Hot water output
  10L


Get In Touch With Us
HaiYan ReDao New Energy Co., Ltd. was founded in 2000. 
We have been in international solar business for many years,
exporting to Europe, Canada, USA, Middle east,
Mexico, Algeria, New Zealand, Iran, Africa and so on.

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