china patent double-vacuum all-glass Solar Collector
USD $270 - $400 /Piece
Min.Order:10 Pieces
Shandong Guangpu Solar Energy Project Co., Ltd.
Specification | |
Structure | All glass double concentric tubes |
Material | Borosilicate glass 3.3 |
Outer tube diameter | Φ47±0.7.mm &=1.6mm |
Inner tube diameter | Φ58±0.7.mm &=1.6mm |
Length | 47mm-1500mm/1600mm/1800, |
58mm-1500mm/1600mm/1800mm/2000mm/2100mm | |
Coating | SS-C/Cu |
Absorption rate after evacuating(AM1.5) | α= 0.88–0.90 |
Emission rate after evacuating(AM1.5) | ε= 0.04–0.06(80°C±5°C) |
Vacuum degree | P≤5.0×10¯³Pa |
Average heat loss conficient | ULT = 0.4-0.6w(m².°c) |
Max stagnation temperature | 260°C-300°C |
(temperature inside of empty vacuum tube) | |
Pressure | 0.6MPa |
Impact Resistance | Φ≤25mm |
Water tank inner cylinder: thickened SUS304 stainless inner cylinder, diameter Φ360mm, thickness δ=0.31mm
Water tank outer cylinder: white pearl board, diameter Φ470mm, thicknessδ=0.32mm
Insulated layer: adopting full-automatic constant temperature quantitative foaming process to manufacture the insulated layer(55 to 60mm), subjected to high-temperature curing treatment, compact and uniform cells, high thermal insulation effect
Bracket: red, hot-dipping zinc galvanized plate, adopting anti-corrosive treatment process to guarantee the tightness and anti-corrosion of the bracket, high bearing and windproof properties, long service life which is as long as more than ten years
Vacuum tube: Φ58*1,800mm double-vacuum solar collector tube, the product is a high-tech product with proprietary intellectual property rights, manufactured by the company (the patent No. 99221421.1), and has the characteristics of high-temperature resistance, anti-freezing, high heat efficiency, long service life, no leakage of water in the tube, scaling resistance, no tube explosion, no water leakage, aging resistance, high efficiency, vacuum super heat conduction, one-way heat transfer, etc.