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15 Bar Biogas Compressor 13-64kW Atlas VSD Screw Biogas Screw Compressor
Detail Information
The SQ90-15 is an integrated biogas compression system designed to deliver compressed biogas at pressures of up to 15 bar for upgrading into high-purity biomethane. Housed in a standard ISO container, the system integrates an Atlas screw compressor driven by a variable-speed electric motor, ensuring reliable, safe, and energy-efficient biogas compression. Its compact, plug-and-play design enables fast installation, stable operation, and low operating costs for biogas upgrading applications.
Atlas has been a pioneer in this exciting innovation since the 1980s and has accumulated extensive knowledge and experience in the fields of biogas upgrading. The Atlas gas screw compressors integrated in SQ90-15 brings market-leading reliability and the benefits of Variable Speed Drive (VSD) technology to the field of methane and biomethane upgrading process. While offering constant discharge pressure at flow levels up to 1000 Nm³/h, these super-efficient machines will cut your energy requirements by adapting motor speeds to production demands.
Where do we come in
Engineered for reliability and cost-effective
SQ90-15 biogas compressor is designed specifically to meet the high demands of biogas upgrading applications. Along with maximum efficiency, we prioritized safe handling and reliable generation with the quality you need.
Biogas upgrading systems need to ensure correct gas quality to preserve their lifetime and performance, so a correct system helps our customers save money and downtime. Scala's biogas compressor will increase your efficiency as well as your profitability.
① High efficiency gas screw
· Singles tage, oillubricated, with superior mechanical shaft seal.
· Rotors maximize gas flow at low energy cost.
② Junction box
· Safe, explosion-proof.
· Stainless steel enclosure.
· Easily accessible connections to control cubicle.
③ Safe electric motor with Variable Speed Drive
· IP55 – IEC – 400V/50Hz – Eexd IIB T4.
· Flexible coupling.
· Easily accessible connections to control cubicle.
④ High-performance oil separator
· Oil residue in gas down to 5ppm.
· Contributes to preserve the components in your gas upgrading process.
· Longer interval between oil top-ups reduces maintenance costs.
⑤ No back-flow
· Non-return valve prevents risk of back-flow of oil, protecting the gas net.
⑥Gas inlet valve
· Closed on emergency stop, isolating compressor from gas supply.
⑦ Container housing: compact, plug & play
· All equipment fitted in standard container.
· Slots for forklift handling.
· Easily accessible connections for water, gas, and power.
⑧ Integrated inlet gas train
Straightforward connection with easy access for gas inlet valve and optional gas filter.
Gas filter:
· High filtration rate (efficiency).
· Upstream particle separation.
· Replaceable filter cartridges
⑨ Oil filter & oil
The high efficiency oil filter provides superior filtration compared to conventional filters resulting in cleaner lubricant.
⑩ Energy recovery
The energy recovery system consists of a built-in heat exchanger and thermostatically controlled system to recover the heat from the compressor in the form of warm water without any adverse influence on the compressor performance.
Innovations for energy saving
Over 80% of a compressor's lifecycle cost is taken up by the energy it consumes. Moreover, the generation of compressed biogas can account for a significant amount of a plant's total electricity bill. Atlas has consistently addressed this challenge by innovating to cut our customers' energy costs.
Variable Speed Drive (VSD)
Atlas Copco's Variable Speed Drive (VSD) technology closely follows the gas demand and continuously adjusts the motor speed, resulting in energy savings. Coupled with inlet pressure control, VSD maximizes flow, and minimizes required horsepower. By working less to do more, VSD consumes less power, while giving greater process control and requiring less maintenance. When the quantity of gas available from the bio process rises, the VSD motor speeds up to ensure a continuous supply of biogas to the upgrading unit with very low pressure fluctuation.
Energy Recovery
Turn your compressor into an energy source. Atlas Copco's water-cooled biogas screw compressors can be equipped with an Energy Recovery unit which helps you achieve your low-carbon economy goals. Recover up to 75% of the electrical energy which is converted into compression heat. The Energy Recovery system uses this to heat up water that can be used for sanitary purposes, space heating, or process applications.
Technical specifications
| Model No. | SQ90-15 | |
| Frequency | 50/60Hz | |
| Inlet pressure | Min. | 0.1 bar(g) |
| Max. | 0.5 bar(g) | |
Outlet pressure | Max 15 bar(g) | |
Biogas flow | Min. | 63 Nm³/hr |
Max. | 483 Nm³/hr | |
Speed | Min. | 1330 rpm |
Max. | 4315 rpm | |
Main shaft power | Min. | 13 kW |
Max. | 64 kW | |
Dimensions | 600 x 250 x 289cm | |
Weight | 8000kg | |
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