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Cryogenic ASU Oxygen And Nitrogen Plant

Cryogenic ASU Oxygen And Nitrogen Plant

1、This equipment is equipped with a two-stage structure for the distillation column. The lower column operates under higher pressure, initially separating air into oxygen-rich liquid air and pure liquid nitrogen.
2、The upper tower completes the final fine separation of oxygen and nitrogen at a relatively low pressure.
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Description

Products Description

cryogenic ASU oxygen and nitrogen plant

This cryogenic ASU oxygen and nitrogen plant is equipped with the function of a main heat exchanger, enabling counter-flow heat exchange among multiple fluid streams. It cools the forward-flowing air to a temperature close to the liquefaction temperature while reheating the backflow products, oxygen and nitrogen, to the ambient temperature, reducing cold loss

Advanced Control Architecture: Siemens & Schneider IntegrationNuzhuo's air separation units are equipped with world-class automation suites to ensure maximum operational uptime and safety.Fully Automated Logic: Utilizing Siemens S7 Series or Schneider Electric PLC hardware, the plant features sophisticated sequencing for startup, shutdown, and capacity adjustment.Precision PID Tuning: Our control algorithms maintain ultra-stable pressure and temperature gradients within the cold box, ensuring oxygen and nitrogen purity remains constant even during feed air fluctuations.

Unattended Operation (UAO): The system is designed for a "hands-off" experience. Once the set-points are reached, the AI-driven controller manages all variable frequency drives (VFDs) and pneumatic valves autonomously.

 

cryogenic ASU oxygen and nitrogen plant
 
cryogenic ASU oxygen and nitrogen plant
cryogenic ASU oxygen and nitrogen plant
cryogenic ASU oxygen and nitrogen plant
cryogenic ASU oxygen and nitrogen plant
cryogenic ASU oxygen and nitrogen plant
cryogenic ASU oxygen and nitrogen plant
cryogenic ASU oxygen and nitrogen plant
Global Connectivity: Real-Time Remote ManagementStay connected to your gas production plant from anywhere in the world. Our Smart Gateway provides:Cloud-Based Monitoring: Real-time visualization of flow rates, purity levels, and energy consumption on your smartphone, tablet, or PC.Remote Diagnostics: Nuzhuo's engineers can perform remote health checks and troubleshooting via a secure VPN, reducing the need for costly on-site technician visits.

Predictive Maintenance: The system tracks the operational hours of compressors and expanders, sending automated alerts before a maintenance interval is reached, preventing unplanned downtime.
 

 

Our Company

Customized Control Logic & On-site Integration

 

At Nuzhuo, we believe the "brain" of the plant should fit the specific needs of the user. Our in-house software engineers can customize the HMI (Human-Machine Interface) in multiple languages and adapt the control logic to match your factory's specific safety protocols. Before shipping, every control cabinet undergoes a full Loop Test and simulation to ensure that the software and hardware are perfectly synchronized for a seamless on-site commissioning.
  • 10 +
    Production bases
  • 20 +
    years experience
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NEW GAS-SMALL-SCALE CRYOGENIC ASU EXPERT
NEW GAS-SMALL-SCALE CRYOGENIC ASU EXPERT NEW GAS-SMALL-SCALE CRYOGENIC ASU EXPERT
 

Want to see our control logic in action? [Request a Remote Demo or System Architecture Diagram]

Common FAQ
Q1: Can the ASU be integrated into our factory's existing DCS system?
 
A: Yes. Our control systems support standard industrial protocols such as Modbus TCP/IP, Profibus, and Profinet, allowing for seamless integration into your existing plant-wide DCS or SCADA system.
Q2: What happens if there is a sudden power failure?
 
 A: The system includes a fail-safe logic. In the event of a power outage, the automated valves will move to their designated "safe positions" (e.g., normally closed or normally open) to protect the cold box and prevent backflow or overpressure.
Q3: Is the remote monitoring system secure?
 
 A: Absolutely. We use hardware-encrypted gateways and secure VPN tunnels that comply with international industrial cybersecurity standards, ensuring your production data is visible only to authorized personnel.

 

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