* AISI 304L stainless steel pipe OD= 70mm , L= 4060 mm. (or OD=34mm)
* Stainless steel tube will be in an evacuated glass chamber (borosilicate 5.0, OD=125 mm, Thickness= 3 mm) .
* techinical data of our selective coating:
absorption rate: 96%
emmission rate : 6% (at temperature 150 °C) ,≤10%（at temperature 400℃）
Unique Technology to seal KOVAR with 5.0 Borosilicate Glass , High temperature resistance.
Technical specifications
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Type
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Evacuated Solar Receiver Tube
|
|
Dimension
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4060mm
|
|
Working temperature
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400℃
|
| |
|
|
Absorptance
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96%
|
|
Transparence of outer glass tube
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With anti-reflective coating
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≧96%
|
|
Without anti-reflective coating
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≧91.5%
|
|
Emissivity
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≤6%（at temperature 150℃）,
≤10%（at temperature 400℃）
|
Our HCE has been tested by DLR, Germay and our major test result as below:
At operating temperature of 350 ℃ , our heat loss is 141 W/m
At opearting temperature of 400 ℃, our heat loss is 214 W/m
Similar efficiency as that of SCHOTT's
Special diameter can be made as per your request.
