solar heat tube/single target tube 1.Structure :/AL/AL-ALN(H)/AL-ALN(L)/ALN 2.pass CE ,ISO9001...
solar heat tube/single target tube
| E xtermal pipe diameter and thickness | Φ =47 ± 0.7mm&=1.6mm Φ =58 ± 0.7mm&=1.6mm | |
| I nternal pipe diameter and thickness | Φ =37 ± 0.7mm&=1.6mm Φ =47 ± 0.7mm&=1.6mm | |
| Absorbing coating property | Structure | /AL/AL-ALN(H)/AL-ALN(L)/ALN |
| Sediment method | Single targe magnertron sputtering plating | |
| Specific absorption | a s =0.93~0.96(AM1.5); | |
| vacuum tightness | P<=5.0x10 -3 Pa; | |
| Idle sunning property parameters | Y=260~300m 2 . ° C/KW; | |
| Average heat loss coefficient | ULT=0.4~0.6W/m 2 .°C | |
heat pipe solar tubeheat pipe with high ati-freeze and insolation temperaturetube with high absorption ratio and less loss
Structure | All-glass double-tube co-axial structure | |
Glass material | High borosilicate 3.3 glass | |
External pipe diameter and thickness | Φ=47±0.7mm &=1.6mm Φ=58±0.7mm &=1.6mmΦ=70±0.7mm &=2.0mm | |
Internal pipe diameter and thickness | Φ=37±0.7mm &=1.6mm Φ=47±0.7mm &=1.6mm Φ=58±0.7mm &=2.0mm | |
Pipe length | 800mm 1200mm 1500mm 1600mm 1800mm 1900mm 2000mm 2100mm | |
Absorbing coating property | structure | Cu/SS-ALN(H)/SS-ALN(L)/ALN |
sediment method | Three target magnertron sputtering plating | |
Absorption ratio | a=0.93~0.96(AM1.5) | |
Emmision ratio | ε=0.04~0.06(80±5) | |
Vacuum tightness | P≤5.0X10-3Pa | |
Average heat loss coefficient | ULT=0.4~0.6W/(m2.) | |
Hail resistance | Φ=25mm | |
solar vacuum tube/non-pressurized energy collector
