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Overview
The DW-17.9/(4-5)-6.5 Hydrogen Compressor is designed for hydrogen circulation and pressure regulation in direct reduction iron (DRI) and green steel production systems.
Unlike conventional hydrogen supply compressors, this unit focuses on continuous hydrogen-rich gas circulation within the ironmaking process, supporting stable operation of low-carbon steel production facilities.
With dedicated sealing design and process adaptability, it provides a reliable compression solution for hydrogen metallurgy projects and industrial gas circulation systems.
Hydrogen Circulation Optimization
Designed for closed-loop hydrogen circulation processes, supporting continuous gas recycling and pressure control in DRI systems.
Hydrogen Sealing Protection
The compression system is engineered for hydrogen-rich gas service, with enhanced sealing performance to reduce leakage risks during long-term operation.
Process-Oriented Design
Configured for integration with hydrogen metallurgy equipment, matching the operating requirements of green steel production processes.
Automated Operation Support
PLC-based monitoring and control functions enable efficient operation management and connection with plant control systems.
Industry Applications
The DW-17.9/(4-5)-6.5 Hydrogen Compressor is mainly used in:
• Direct reduction iron (DRI) projects using hydrogen as reducing gas
• Green steel production systems
• Hydrogen circulation and recycling units
• Industrial hydrogen process systems
Highlight Advantages
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| Designed for hydrogen-based ironmaking processes and continuous gas circulation. | Supports hydrogen-rich reducing gas compression with enhanced sealing performance. | Optimized for integration into green steel production systems. | Provides a project-oriented solution for hydrogen metallurgy applications. |
Patent Certificates
 | A piston rod thread protective sleeve ZL 2017 2 1907021.7 | | A piston ring support device ZL 2018 2 0294776.2 | |
| A range piston ZL 2017 2 190177.0 for symmetrical balanced compressors | | Integrated long short double compartment ZL 2018 2 0294762.0 |
Whole Machine Description
The DW-17.9/(4-5)-6.5 Hydrogen Compressor adopts a reciprocating piston structure developed for hydrogen circulation applications in DRI processes.
The compressor system is designed to handle hydrogen-rich reducing gas with strict requirements for sealing performance and operational stability.
The integrated unit combines the compressor, auxiliary equipment and control system into a compact package, simplifying installation and connection with hydrogen metallurgy facilities.
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The compressor in this picture is a non-standard product. The product provides independent solutions tailored to customers' specific usage requirements (flow rate/purity/pressure, usage environment, main purpose, and customer specific requirements), from design to product customization.
Structural form: D-type/M-type/S-type/W-type/V-type/Z-type
Cooling method: water cooling/air cooling/mixed cooling
Installation form: fixed/mobile/pry mounted/cabin type
Drive mode: motor drive/diesel engine start
Transportation: sea/air/land
Packaging:
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| Metal cabin | Wooden box | Soundproof cabin |
Technical Parameter
| No. | Model | Medium | Flow rate (Nm3/h) | Exhaust pressure (MPa.G) | Motor power (kW) | Cooling method | Overall dimensions (mm) | Weights (kg) | |
| 1 | DW-1.6/(8～12)-120 | Hydrogen | 800 | 12 | 160 | Water-cooled | 5800×3000×2300 | 8500 | |
| 2 | DW-1.8/15-30 | Hydrogen | 1500 | 3.0 | 75 | Water-cooled | 3200×3000×1850 | 5800 | |
| 3 | DW-6.74(3.3)/0.7(5～12)-12 | Hydrogen | 600 | 1.2 | 90 | Water-cooled | 5000×3200×2100 | 8000 | |
| 4 | DW-17.9/(4～5)-6.5 | Hydrogen | 1270 | 0.65 | 132 | Water-cooled | 3500×3000×2300 | 8000 | |
| 5 | DW-1.8/15-30 | Hydrogen | 1500 | 3.0 | 75 | Water-cooled | 3200×3000×1850 | 5800 | |
| 6 | DW-9.55/0.03-16 | Hydrogen | 515 | 1.6 | 90 | Water-cooled | 3500×3200×2500 | 6500 | |
| 7 | DW-96.5/（ 15～23 ）-（ 21~29 ） | Hydrogen | 4500 | 2. 1～2.9 | 185 | Water-cooled | 5000×3000×2500 | 12000 | |
| 8 | DW-48/（ 15～23 ）-（ 21~29 ） | Hydrogen | 2642～4500 | 2. 1～2.9 | 55 | Water-cooled | 4000×2700×2300 | 6000 | |
| 9 | D-0.57/16-200 | Hydrogen | 500 | 20 | 75 | Water-cooled | 5800×3200×2350 | 9000 | |
| 10 | ZW-0. 18/15-22 | Hydrogen | 150 | 2.2 | 11 | Water-cooled | 2200×1600×1700 | 2000 | |
Project Case
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| Alibek oilfield in Southern Kazakhstan | Zaozhuang CNG compressor project of Chengdu Shenliang Technology Co., Ltd. | Beijing Hongke Qingneng Technology Co., Ltd. associated gas compressor for Shanxi Yan'an 60000 m3 project |
What is the DW-17.9/(4-5)-6.5 Hydrogen Compressor mainly used for?
It is designed for hydrogen circulation and boosting in direct reduction iron (DRI) and green steel production systems.
Why is this compressor used in hydrogen metallurgy projects?
It supports continuous circulation of hydrogen-rich reducing gas, helping maintain stable process conditions during iron reduction.
What gas can this compressor handle?
It is designed for hydrogen-rich gas mixtures used in industrial hydrogen processes, with customized solutions available according to gas composition.
Can the compressor be integrated into existing production systems?
Yes. The configuration can be adapted according to process requirements, control systems and installation conditions.
