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DVC Air Collector
1.Double-pass direct-flow vacuum tube
Double-pass direct-flow all-glass vacuum solar collector tube, head and tail intercommunication, double-pass direct flow, low ventilation resistance, large air volume.
2.High efficiency of heat collection
Vacuum tube adopts interference coating process, high solar heat absorption rate, low scattering rate, high temperature resistance, high cold resistance, high efficiency absorption.
3. Environmentally friendly fluorine-free polyurethane foam
German constant temperature overall foaming technology, one shot high-pressure foaming injection process, green environmental protection, uniform and dense.
It utilizes a DC double-pass glass heat pipe with interconnected head and tail sections, effectively addressing issues such as freezing, cracking, and pipe rupture commonly found in traditional solar energy systems. An interference coating process is employed to ensure high-temperature resistance, low-temperature resilience, and efficient solar absorption. Expansion joints are incorporated within the inner tube to prevent vacuum tube breakage resulting from thermal shocks. Using air as the heat transfer medium, the system harnesses solar energy to fulfill indoor heating requirements. The system offers advantages such as high heating efficiency, low operational costs, adjustable air volume, and compatibility with multiple energy sources. It is primarily applied to single buildings for daytime heating, including school classrooms, office buildings, workshops, and station houses. Additionally, it can be utilized in drying rooms.
DVC500 Double Pass Vacuum Tube Air Collector Features:
1. Double pass vacuum tube air collector to “air” instead of liquid medium as a heat transfer medium, the heat absorbed by the heat-absorbing plate to heat the air after the natural/forced circulation of the hot air to the end of the heat, which can be used directly for heating or indirect heat supply equipment through the heat exchanger;
2. The core component is the patented expansion joint structure all-glass double-pass vacuum collector tube;
3. Magnetron sputtering selective coating, absorption rate: 93% (± 2%@AM1.5), emission rate: 6% (± 2%@80℃);
4. High temperature operation, the maximum operating temperature of 280 ℃ or more;
5. System light and heat conversion efficiency of more than 80%, maintenance-free, safe and reliable;
6. High temperature, cold, high altitude, no freezing and plugging leakage potential, no worries, can be used for more than 50 years; 7, combined with air source heat pump into a coupled heating system, can improve the air source heat pump COP in cold areas.
Company Strength：
The company has partnered with seven leading research institutions, including the Chinese Academy of Sciences, Tsinghua University, and the Shandong Academy of Sciences, to promote the transformation of solar energy from traditional “hot water” applications to advanced “flat-plate clean thermal energy.” We have established seven R&D departments, one research institute, one academician workstation, one laboratory, and one thermal energy institute.
With an annual output of 7.0 GWth of flat-plate clean thermal energy equipment, the company ranks second globally in flat-plate collector production. We possess core technology and a dedicated production line for solar spectrum selective absorption coatings, holding the top market share in core materials across the industry.
The company has been recognized as a National High-Tech Enterprise, a “Specialized and New” Enterprise in Shandong Province, a Shandong Gazelle Enterprise, and has received distinctions such as the Shandong Academician Workstation and Shandong Enterprise Technology Center.
International Projects:
Domestic Projects:
