heat collection elements for parabolic troughs

Solar heat collector: straight-through heat collector, the collector efficiency higher

Evacuated Absorber, high efficient

Can bear high temperature and pressure of 10Mpa at 400 ℃

Working condition (> 300 ℃, 10Mpa)

Coating optical absorption ratio ≥ 95%

Absorptance of absorber (≥ 0.92)