泰安鑫诺太阳能厂专业生产太阳能真空管

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

appearance diameter

φ47±0.7mm &=1.6mm φ58±0.7mm &=1.6mm

内管直径

inner tube 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

absorption coating performance

ss-c/cu选择性复合吸收膜层

selective absorber coating material: ss-c/cu

吸收率 0.88~0.90

solar absorption efficiency：0.88~0.90

真空度

air-drying temperature

p≤2×10¯³ (pa)

空晒性能参数

maximum stagnation temperature

y=250℃

平均热损系数

average heat loss coefficient

ult=0.4~0.6w/(㎡.℃)

抗冰雹性能

anti-hail performance

≤ 25mm