Mixed Gas Compressor

For mixed gas pressurization, transportation, and continuous industrial supply applications requiring stable 5.5 MPa outlet pressure.

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product introduction

The MW-6/5-55 Mixed Gas Compressor is a skid-mounted, oil-free reciprocating compressor system designed for compressing mixed gases containing hydrogen. Based on user-specified process conditions, the compressor operates with an intake pressure of 0.5 MPa and delivers a stable outlet pressure of 5.5 MPa, providing a reliable high-quality mixed gas source for industrial applications

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Product Description

The MW-6/5-55 mixed gas compressor unit is a complete integrated compression system consisting of a compressor host, explosion-proof motor, cooling system, lubrication system, inlet and outlet valves with filters, nitrogen sealing system, instrument display system, safety relief system, and PLC automatic control system.

The compressor adopts oil-free cylinder lubrication, using high-strength self-lubricating carbon-fiber PTFE sealing elements to ensure gas purity. A precision outlet filter further guarantees clean gas delivery. The unit supports manual and automatic operation, fault-triggered shutdown, and manual discharge, meeting high safety and reliability requirements for mixed gas handling.

Motor Parameters：

Main Motor

  • Model: YB3-315L1-6
  • Power: 280 kW
  • Speed: 740 r/min
  • Voltage / Frequency: 380 V / 50 Hz
  • Protection grade: IP55
  • Explosion-proof level: dⅡBT4

Oil Injector Motor

  • Model: Y100L1-4TH
  • Power: 2.2 kW
  • Speed: 1420 r/min
  • Protection grade: IP55
ItemParameter
ModelMW-6/5-55
Structural styleM-type, two-column, four-stage compression
Nominal volumetric flow rate6 m³/min
Compressor suction pressure0.5 MPa
Rated exhaust pressure5.5 MPa
Gas displacement2100 m³/h
Suction temperature≤ 40 ℃
Gas mediumMixed gas (65% hydrogen)
Cooling typeOpen water cooling
Cylinder lubricationOil-free
Lubrication methodCrankshaft, connecting rod, crosshead lubricated by oil pump
Compressor speed740 r/min
Noise level≤ 85 dB(A)
Lubricating oil consumption≤ 100 g/h
Lubricating oil temperature≤ 70 ℃
Driving methodCoupling direct transmission
Starting methodSoft start
Detection & controlSensor detection + PLC automatic control
Overall dimensions (L×W×H)6500 × 2800 × 2200 mm
Total weight~ 8500 kg
Installation typeIntegrated skid installation
Designed service lifeOver 25 years

 

Monitoring ItemInstrumentRated Value
Nominal flow rateFlow meter6 m³/min
Intake pressurePressure transmitter0.5 MPa
High exhaust pressure alarm & shutdownPressure transmitter≥ 5.75 MPa
Exhaust temperature alarm & shutdownTemperature transmitter≥ 150 ℃
Compressor oil temperature alarmTemperature transmitter≥ 70 ℃
Oil pressure monitoringPressure transmitter0.2–0.5 MPa
Low oil pressure shutdownPressure transmitter< 0.15 MPa
Cooling water pressurePressure transmitter0.1–0.4 MPa
Motor overloadPLC logicAlarm & shutdown

Features & Functions:

  • Oil-free compression suitable for hydrogen-containing mixed gases
  • Four-stage compression with stable pressure control
  • Integrated skid-mounted design for easy installation and maintenance
  • Siemens PLC automatic control system with multi-level protection
  • Manual / automatic start-stop with fault shutdown logic
  • Open water cooling for effective heat dissipation
  • Precision outlet filtration for gas quality assurance

 

Product Advantages:

  • Designed specifically for mixed gas and hydrogen-containing applications
  • High safety level with multi-stage pressure relief and monitoring
  • Long service life exceeding 25 years
  • Low vibration, low noise, and high operational stability
  • Easy operation and maintenance with centralized PLC control

 

Our Company Advantages:

  • Independent design and manufacturing of M-series compressors
  • Strict compliance with pressure vessel, explosion-proof, and compressor standards
  • Proven experience in mixed gas and hydrogen compression systems
  • High-quality core components sourced from reliable domestic brands
  • Complete technical support from solution design to commissioning

 

Applicable Standards:

The compressor is designed, manufactured, and inspected in accordance with relevant standards, including but not limited to:

  • JB/T9105, SH/T3143
  • GB150, GB151, GB/T7777
  • GB3836 series (explosion-proof requirements)
  • TSG 21 pressure vessel regulations

 

Application Scenarios:

  • Mixed gas pressurization and transportation
  • Hydrogen-containing process gas supply
  • Petrochemical and chemical processing systems
  • Industrial continuous gas supply stations
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