Double Pass Vacuum Tube Air Collector DVC500

Product Overview: Leading the Innovation of Global Solar Heating Industry

The DVC Air Collector takes air as the core heat transfer carrier, leverages solar energy resources to efficiently meet the two core needs of indoor heating and professional drying, and completely breaks the dependence limitation of traditional solar energy systems on liquid working media. Relying on three core technological breakthroughs—DC double-pass glass heat pipe, interference coating technology, and inner tube expansion joint—it essentially solves the common global industry problems such as freezing cracking, pipe bursting, and thermal shock breakage that are prevalent in traditional solar energy equipment. It provides an economical, stable, and reliable solar heating solution for diverse scenarios worldwide, including campuses, commercial buildings, industrial plants, and professional drying workshops.

Core Product Highlights: DVC500 Double-pass Vacuum Tube Air Collector

1. Structural Innovation and Upgrade: Air Heat Transfer Mode to Eliminate All Potential Safety Hazards

• Working Medium Iteration and Innovation: Abandon traditional liquid heat transfer media, select air as the heat transfer carrier, directly deliver heated air to the terminal through a circulation system. It can flexibly achieve direct heating or indirect heating with heat exchangers, adapting to different types of heating systems in various regions around the world with extremely strong installation compatibility.

• Core Component Upgrade: Equipped with all-glass double-pass vacuum heat collecting tubes with expansion joint structure, adopting a streamlined head-to-tail through design to greatly reduce air flow resistance and ensure sufficient air supply. It fundamentally avoids equipment damage caused by freezing and expansion of liquid media, and there is no need to worry about use in low-temperature areas.

2. Top-tier Heat Collection Technology: High Absorption and Low Loss Design for Leading Thermal Efficiency

• High-end Coating Technology: Using professional magnetron sputtering coating technology, the solar absorptance can reach 93% (±2%@AM1.5), and the emissivity is only 6% (±2%@80℃). It can not only capture solar energy to the maximum extent but also effectively control heat loss, with heat collection performance ranking among the international forefront.

• Efficient Energy Conversion: The system's photothermal conversion efficiency exceeds 80%, far higher than the conventional industry level. Even under special climatic conditions such as cloudy weather, high altitude, and strong radiation, it can still maintain stable heat collection effect and rapid heating capacity, fully meeting the thermal energy supply needs of various scenarios.

3. Extreme Environment Resistance: Safe, Durable, and Ultra-long Service Life

• Wide Temperature Adaptability: The equipment can withstand an operating temperature of over 280℃, which can perfectly match the high-temperature drying needs of agricultural products, Chinese medicinal materials, industrial products, etc.; the air heat transfer medium is not affected by severe cold weather, and can still operate stably in high-altitude and extremely cold regions, with environmental adaptability covering major global climate types.

• Comprehensive Structural Protection: The inner tube expansion joint can effectively buffer the stress generated by alternating hot and cold, completely eliminating the hidden danger of vacuum tube breakage; the design without liquid working medium fundamentally eliminates common problems such as medium leakage and pipeline corrosion, and the equipment requires no manual maintenance throughout its life cycle, making it more convenient and worry-free to use.

4. Multi-energy Coupling Compatibility: Adaptable to Heat Pump Systems to Solve Severe Cold Heating Dilemma

It can seamlessly connect with air-source heat pumps to form an efficient coupled heating system. During the day, solar energy is used to preheat the heat pump, significantly improving the COP value of the heat pump under low-temperature conditions, greatly reducing the operating energy consumption of the heat pump, realizing stable heating throughout the season, and successfully solving the heating problem in high-latitude severe cold regions around the world.

Four Core Competitiveness: Building Leading Advantages in the Global Market

1. Double-pass DC Vacuum Tube: Low Resistance, Large Air Volume, and Precise Temperature Control

The unique double-pass DC head-to-tail through design reduces air flow resistance by more than 30% compared with traditional products, enabling larger air volume output under the same fan power; the heat energy distribution is uniform and reasonable, effectively avoiding local overheating or insufficient heating, improving heating comfort, reducing dust accumulation inside the pipeline, and ensuring long-term efficient operation of the equipment.

2. Ultra-high Heat Collection Efficiency: Energy Saving and Consumption Reduction with Outstanding Economic Value

Integrating the dual process advantages of interference coating and magnetron sputtering coating, it achieves a photothermal conversion efficiency of more than 80%, far exceeding the conventional efficiency of 60%-70% of traditional products; the system operates relying entirely on clean and pollution-free solar energy, without the need to pay for energy costs such as electricity and gas. Long-term use can greatly reduce operating expenses, taking into account both economic benefits and the concept of green environmental protection.

3. Stable Adaptability to All Scenarios: Safe, Durable, and Zero Operation and Maintenance Costs

The equipment can withstand high temperatures of 280℃ and low temperatures of -30℃, with excellent high-temperature resistance, cold resistance, and high-altitude adaptability, covering most application scenarios worldwide; the combination of expansion joint anti-breakage technology and liquid-free working medium design ensures the equipment has an ultra-long service life, and no operation and maintenance costs are required throughout its life cycle, greatly reducing the later operating pressure.

4. International Environmental Standards: High-end Green Quality, Adapting to Global Norms

Adopting imported German constant temperature integral foaming technology, high-pressure filling of environmentally friendly fluorine-free polyurethane materials, the foam layer is uniform and dense. It not only can significantly improve the thermal insulation performance, structural strength, and weather resistance of the equipment but also achieve no harmful gas emission, fully complying with environmental protection requirements and green building-related standards of countries around the world, and accurately conforming to the green development trend of the international market.

Global Diverse Application Scenarios: Covering Thermal Energy Needs in All Fields

Choose DVC Air Collector? The Consistent Choice of Global Customers

1. Completely Solve Industry Pain Points: Fully eliminate common problems such as freezing cracking, pipe breaking, and medium leakage of traditional solar energy equipment, which can operate safely in various extreme climate environments and adapt to the use needs of different regions around the world;

2. Leading Industry Efficiency: The photothermal conversion efficiency of more than 80% reaches the international leading level, with significant energy saving and consumption reduction effects, creating sustained and stable economic value for global customers;

3. Ultra-long Service Life Guarantee: The designed service life of the equipment exceeds 50 years, requiring no manual maintenance throughout its life cycle, greatly reducing the later investment cost and achieving one choice for lifelong benefit;

4. Seamless Adaptation to All Scenarios: It can meet the two core needs of heating and drying at the same time, especially providing a perfect solution for the heating problem in severe cold areas, covering the thermal energy supply needs of different global fields;

5. Compliance with International Standards: Both core production processes and environmental protection designs meet global mainstream standards, with no technical barriers to export, and installation and use can adapt to system norms and requirements in various parts of the world.

With innovative core technologies, the DVC Air Collector promotes the leapfrog upgrading of the global solar heating industry, provides high-quality solutions for the efficient utilization of global green energy, and helps countries around the world achieve the "dual carbon" goal and realize green and sustainable development!

Soletks Group: A Benchmark Enterprise in the Global Solar Thermal Utilization Field

Relying on strong technological research and development, intelligent production, and global service capabilities, Soletks Group provides comprehensive global quality assurance for the DVC Air Collector and becomes a reliable partner worthy of trust for global customers.

1. Globally Leading R&D Strength: It has 117 core patented technologies and a complete set of improved industry solutions. It is one of the few enterprises in the world that can simultaneously master the production technologies of blue film and black film, with technological innovation capabilities and R&D levels in the international leading position;

2. Industry 4.0 Intelligent Manufacturing: It has laid out six modern intelligent production bases, achieving an efficient production capacity of one collector offline every 55 seconds. It has established a full-chain quality control system from core materials to finished product delivery. The products have passed the EU CE certification and fully meet international quality standards;

3. Full Industrial Chain Global Service: It independently controls the key links of the entire industrial chain such as core materials, production equipment, and system design. The market share of core materials ranks first in the industry, covering 17 categories and more than 30 global application scenarios, providing a full-cycle one-stop service from on-site project survey, customized scheme design to on-site construction and commissioning;

4. Globally Recognized Brand Reputation: The output of flat plate collectors ranks second in the world, and the products are exported to more than 40 countries and regions around the world. Successful cases are spread in various fields such as global construction, industry, and agriculture; it has accumulated a reduction of 16.726 million tons of carbon dioxide emissions, equivalent to planting 700 million trees, and has won many international and domestic honors such as the National Solar Thermal Utilization Product "Leader", and its contribution to green development has been widely recognized globally.

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Email: info@soletks.com

Official Website: www.soletks.com

Headquarters Address: China · Soletks Group