三靶磁控溅射镀膜全玻璃太阳能集热管 

Three target magnetism control the sputtering Coating entire glass solar energy collection heat pipe parameter( Water circulation tubes)

结构Structure

全玻璃双管同轴结构

Entire glass double barrel coaxial structures

材料Material

高硼硅3.3特硬玻璃

Glass tube material: borosilicate glass 3.3

外观直径

Outside diameter

Φ47±0.7mm  &=1.6mm Φ58±0.7mm  &=1.6mm

内管直径

Internal diameter

Φ37±0.7mm  &=1.6mm Φ47±0.7mm  &=1.6mm

规格长度

Specification length

47-1500mm/1600mm/1800mm

58-1500mm/1600mm/1800mm/2000mm/2100mm

吸收涂层性能材质

Selective absorber coating material

SS-ALNX/CU

吸收率Solar absorption efficiency     0.91~0.93（AM1.5）

发射比Launch ratio     0..04~0.06（80℃±5℃）

真空度

Vacuum tube vacuum degree

P≤2.0×10-3(Pa)

空晒性能参数

Maximum stagnation temperature

Y=250㎡C/KM

平均热损系数

Average heat loss coefficient

ULT= 0.4~0.6w/(㎡.℃)

抗冰雹性能

Resistance performance

≤ 25mm