Parabolic Trough Absorber Tube

Himin Solar Co., Ltd.  Company Profile As the leader in China solar industry, Himin solar Co., Ltd established in 1995 with more than 6000 employees. It insists on the mission of “For the blue sky and white cloud of later generations, realize global energy substitution” and always focuses on solutions for the global energy substitution. Himin owns 3 million square meters industry park – China Solar Valley. In which has built the first, most advanced and full automatic solar energy vacuum tube line with fully independent innovation in the word; the most advanced production line for solar water heater, photovoltaic products; workshop for solar collector, coated steel tube and solar lamp. Himin’s products have been exported to more than 100 countries including Germany, Austria, Italy, England, etc. and it will never stop pushing forward environment protection for human beings in the worldwide.     Parabolic Trough Absorber Tube   What is Parabolic Trough Absorber Tube:   The parabolic trough collector is a device collecting line-focus sunlight. It focuses and reflects sunlight onto the receiver tubes primarily by tracking the sunlight and also reflects the sunlight relied on the trough shaped parabolic mirrors, and then vapors water by heat carrier. It also can provide thermal energy to conventional thermal power stations or directly drives turbines to produce power.         Why Himin?   - Matching Glass sealed with metal, gradual transition mode, automatic sealing technology.   - High-temperature resistant selective coating: the absorption rate ≥95%, the emission rate ≤12% and the film layer can work normally in the air without degradation.   - The newly designed getter system boasts a strong hydrogen absorption capacity , the amout of the getter is much larger than that needed for 25-year service life of the receiver and the vacuum degree can be maintained at 0.001 Pa orless.   - The bellows are optimized in structure and the number of corrugation so that the effective use area of each tube ≥ 96%.      

Receiver tube length(mm)	4060	Effective length for heat collection(mm)	>3860(room temperature)
Outer diameter of collector tube(mm)	70	Outer diameter of glass tube(mm)	120
Vacuum degree(Pa)	<0.01	Glass tube transmittance (%)	95%(AM1.5)
Emission	<12%(400℃)	Absorption	≥95%(AM1.5)
Operating temperature(℃)	400℃(oil medium) 500℃(molten salt medium)	Heat loss(w/m)	≤280

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