500m³ Dual Membrane Gas Domes for Methane Storage
Product Description
The concept of "500m³ Dual Membrane Gas Domes for Methane Storage" refers to a specialized storage solution designed to safely and efficiently contain methane gas, which is a significant component of biogas. These domes are constructed using two layers of membrane materials that provide enhanced structural integrity and safety features compared to traditional single-layer storage systems.
The outer membrane serves as the primary barrier against environmental factors such as weather conditions, while the inner membrane acts as an additional safeguard, ensuring that any potential leaks or breaches in the outer layer do not compromise the overall containment system. This dual-layer design minimizes the risk of methane escaping into the atmosphere, thereby addressing concerns related to greenhouse gas emissions.
To ensure an optimum gas mixture, each gas supply and gas conduction is provided separately. A safety valve against excess pressure is supplied as standard.
The supporting air blower provides the necessary pressure of the gas reservoir to absorb the external forces such as wind and snow load and create the form on the gas system. A separate air tube connects the blower to the reservoir. The check valve prevents air leakage in case of failure of the blower. For safety in the air system a pressure control valve is installed. This valve controls the operating pressure and agrees to a minimum required pressure (static stability, failure of the blower) independently in the outer membrane. This device is stable with existing gas production capacity of storage.
he level measurement enables an optimal utilization of the storage volume and control of the slave units (e.g. flare, engine, burner, etc.) "
In addition to their functional benefits, 500m³ Dual Membrane Gas Domes for Methane Storage can be tailored in size and capacity according to specific storage needs. They are suitable for various applications including industrial use, energy production facilities, and even agricultural settings where biogas is generated from organic waste.
Main Technical Parameters
| S/N | Item | Parameter Values | Unit |
| 1 | Capacity | 20~20,000 | m³ |
| 2 | Internal Pressure | ≤20 | mbar |
| 3 | Appearance | Smooth, elastic | --- |
| 4 | Methane permeability | ≤250 | cm³/m².24h.0.1MPa |
| 5 | Weld seams | ≥70 | mm |
| 6 | Bottom edge | Complete occlusion without leakage | --- |
| 7 | Embedded parts | 10# channel steel, HDG | --- |
| 8 | Surface resistance | ≤109 | Ω |
| 9 | Inspection window | DN300 | --- |
| 10 | Sealing strip | Special rubber gasket | --- |
| 11 | Connecting bolt | High-strength bolt, HDG | --- |
Advantages
- Double membrane biogas holder designed to suit a wide range of applications
- Free standing or rim mounted onto existing tanks
- Specifically designed to meet process and environmental requirements
- Designed for various combinations of gas pressures, storage volumes and gas production rates
- Rapid onsite installation using specially trained teams or with a supervisor for export projects.
- Top mounted gasholders easily accommodate central mixers and full or partial bridges
- Conversion of existing tanks to Digesters or replacement of existing floating/fixed roof systems
Main Components
- Quality membranes: inner membrane
- Quality membranes: outer membrane
- Quality membranes: bottom membrane
- Explosion-proof blower
- Explosion-proof pressure sensor
- Control cabinet
- Explosion-proof ultrasonic level meter
- Outer membrane pressure regulator and inner membrane safety water seal
We only list the main components here, the detailed components will be listed in quotation sheet.
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