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Solar collector heat pipe

China

47mm*1500mm 58*1800mm

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1000

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5 days

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详情


Three target purple 47mm 58mm vacuum tube

 

Three target vacuum tube is made of high borosilicate glass 3.3,which could resist hail resistance of steel ball(Φ30mm) from the height of 450mm.

 

The evacuated process of all vacuum tubes last more than 3 hours in order to ensure the perfect vacuum degree,thus, the insulation will be fully guaranteed.

 

This vacuum tube adopts sputtering technology (SS-ALNx/Cu),which could not only make sure the high absorptivity ,but the lifespan of coating layer could reach to 15 years or even longer. 

 

 

Raw material

high borosilicate glass 3.3

Glass thickness

1.6mm

Outer tube length

1500mm,1600mm,1800mm,2000mm,2100mm

Outer tube diameter

47mm±0.7mm, 58mm±0.7mm

Inner tube diameter

37mm±0.7mm, 47mm±0.7mm

Coating material

SS-ALNx/Cu

Absorptance

0.90-0.95 (AM1.5)

Emittance

0.04-0.06(80°c±5°c)

Vacuum degree

≤5.0×10­-³ (Pa)

Stagnation temperature

260°c-300

Average heat loss coefficient

0.4-0.6W/(m².°c)

Hail resistance

≤25mm

Solar irradiation for obtaining a preset

water temperature rise in tube under stagnation

3.7-4.2MJ/m²(Φ58mm)

2.9-3.2MJ/m²(Φ47mm)

联系我们

联系人:Mr. Li

公司名称:Guangpu Solar Energy Project Co., Ltd Of Shandong

办公地址:Shanguo Road, Zaozhuang, Other, China,lxhzd19890720@yahoo.

电话号码:

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至,

Mr. Li < Guangpu Solar Energy Project Co., Ltd Of Shandong >
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