Double Membrane Biogas Holder for Agricultural Anaerobic Digestion Tanks: Forms the Flexible Roof to Capture and Store Biogas Generated from Farm Waste

Double Membrane Biogas Holder for Agricultural Anaerobic Digestion Tanks: Forms the Flexible Roof to Capture and Store Biogas Generated from Farm Waste

The implementation of Agricultural Anaerobic Digestion Tanks is vital for modern farming operations, providing a method to manage large volumes of organic farm waste—including manure, slurry, and crop residues—while simultaneously generating renewable energy. The core function of these tanks is to produce biogas, a methane-rich fuel. For the AD system to be successful, the gas must be efficiently and reliably captured, contained, and buffered directly at the source. This demands a storage solution that can form an integrated, durable, and low-pressure flexible roof over the tank.

The Double Membrane Biogas Holder is the essential, integrated solution for this environment. It forms the flexible roof to capture and store biogas generated from farm waste. By replacing a rigid cap, this air-supported membrane structure serves as both the hermetic seal for the digester and a dynamic, low-pressure reservoir. This ensures every cubic meter of gas is captured instantly, the tank pressure is safely regulated, and a stable gas supply is maintained for on-farm utilization, which is crucial for achieving energy self-sufficiency.

Shijiazhuang Zhengzhong Technology Co., Ltd. (Center Enamel), a global leader in advanced containment solutions, specializes in engineering high-performance storage systems. Our Double Membrane Biogas Holders are state-of-the-art gas holders designed to integrate seamlessly with agricultural AD tanks, offering superior gas containment, pressure regulation, and long-term durability in challenging farm environments.

Product Advantages for Farm Waste Management

Center Enamel’s Double Membrane Biogas Holders are meticulously engineered to handle the specific operational requirements of farm-scale AD tanks, maximizing the efficiency and safety of rural energy systems.

Integrated Flexible Roof and Gas Capture

The primary benefit in agricultural applications is the system's ability to act as the integrated flexible roof of the digester tank. This placement ensures maximum gas capture efficiency by collecting the gas instantly as it rises from the fermentation slurry. This direct integration minimizes gas transfer distances and pressure losses. The inner membrane's volume dynamically expands and contracts to accommodate the natural volume fluctuations in biogas production, acting as a perfect buffer to stabilize the gas supply for the farm’s energy utilization equipment.

Resilience to Corrosive Biogas and Weather

Biogas generated from farm waste (manure, slurry) is often high in moisture and can contain various corrosive elements. The balloon is constructed from specialized, multi-layered composite fabric, which is selected for its exceptional durability and resistance to corrosive elements. Furthermore, the robust, double-membrane architecture shields the inner gas-holding membrane from harsh external environmental stresses, including strong winds, heavy precipitation, and ultraviolet (UV) radiation. This proven protection guarantees long-term durability and low maintenance requirements.

Cost-Effectiveness and Safety

The modular, lightweight nature of the double membrane holder ensures simplified, rapid installation compared to building large, rigid gas holders, significantly reducing the civil engineering and labor costs often prohibitive for farm-scale projects. Moreover, operating at a naturally low pressure, the system is inherently safe, minimizing the risks associated with storing flammable gas in an integrated system, providing peace of mind for farm operators.

Company Advantages

Center Enamel’s standing as a premier global supplier is built on our deep technical expertise and commitment to quality. As a pioneering manufacturer of Glass-Fused-to-Steel (GFS) tanks in China, our company possesses decades of proven history in high-performance containment solutions. Our advanced production capabilities are backed by more than 20 patents in enameling technology and a dedicated research and development team focused on innovation.

Our dedication to quality is demonstrated through our strict adherence to international standards. Our products and processes conform to the most demanding international benchmarks, including standards for quality management, drinking water safety, and occupational health. These certifications provide an independent and verifiable guarantee of quality, safety, and compliance with the most stringent regulations, which is critical for successful operation in international markets. This commitment, combined with our proven global track record of successful projects in over 100 countries, makes us a reliable and expert partner for any agricultural AD project.

Product Application Areas

Center Enamel's Double Membrane Biogas Holders are essential components across various sectors utilizing anaerobic digestion technology:

Agricultural Anaerobic Digestion Tanks: Providing the flexible, integrated roof and storage for biogas generated from manure, slurry, and crop residues.

Livestock Wastewater Treatment: Integral to sustainable waste management and energy recovery on modern farms.

Industrial Wastewater and Food Waste Treatment: Capturing and storing biogas generated from high-strength organic effluent to offset high energy consumption.

Centralized Biogas Plants: Used for managing large gas volumes before upgrading or direct energy conversion.

Global Reach and Proven Excellence: Project Cases

Our extensive portfolio of successful containment projects showcases our capability to engineer robust, sealed, and durable solutions—expertise directly applied to our high-performance biogas holders. The following non-fictitious cases demonstrate our global reach and technical excellence:

Inner Mongolia Xing'an League Bio-natural Gas Project: We supplied 4 tanks with a total capacity of 16,760 cubic meters for a large-scale bio-natural gas project in Inner Mongolia, showcasing our capability in major energy recovery infrastructure.

Shandong Liaocheng Food Waste Treatment Project: We provided 1 tank with a total capacity of 2,911 cubic meters for a food waste treatment facility in Shandong, China, highlighting our role in high-volume waste-to-energy solutions.

Muyuan Group Suining 4th Farm Livestock Wastewater Project: For a major agricultural client, we supplied 2 tanks with a total capacity of 17,962 cubic meters for a livestock wastewater project, demonstrating our expertise in large-volume, sealed agricultural containment critical for biogas management.

Conclusion

For Agricultural Anaerobic Digestion Tanks, the Double Membrane Biogas Holder is the optimal, most functional solution. By forming the flexible roof to capture and store biogas generated from farm waste, it ensures the complete, gas-tight capture and effective pressure regulation of the methane-rich fuel. Our systems empower agricultural operators to maximize gas output, ensure stable energy utilization, and drive their farms toward greater sustainability and profitability with a reliable, integrated solution.