air separation unit cold box and tower view
KDON-4500/4500 air separation unit workshop interior view
KDON-4500/4500 air separation unit compressor and piping system
KDON-4500/4500 air separation unit turbo expander package

KDON-4500/4500 Air Separation Unit

This KDON-4500/4500 air separation unit is designed for continuous industrial oxygen and nitrogen production. The plant is built around a complete process package including self-cleaning air filtration, main air compression, molecular sieve purification, turbo expander refrigeration, double-column rectification, oxygen compression, nitrogen compression, and electrical control systems. With practical configuration, stable operation, and a complete auxiliary system, it is suitable for buyers looking for a medium-capacity oxygen and nitrogen generation solution for steel plants, foundries, utility stations, and other industrial gas applications.

Additional information

Model

KDON-4500/4500

Oxygen Purity

99.6% O₂

Oxygen Capacity

4500 Nm³/h

Nitrogen Capacity

4500 Nm³/h

Manufacturing Date

2018

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Scope of Supply

  • Self-cleaning air filtration system
  • Main air compression system
  • Molecular sieve purification system
  • Upper and lower rectification columns
  • Turbo expander booster package
  • Oxygen compressor package
  • Nitrogen compressor package
  • Process heat exchangers, buffers, and associated vessels
  • Cooling water and chilled water auxiliary system
  • Low-temperature liquid pump and liquid storage tank
  • Vaporizers and related gas handling accessories
  • Transformer, high-voltage switchgear, and low-voltage distribution cabinet
  • DCS instrumentation and electrical control system

Inspection, Testing & Technical Review

  • Technical review of the overall package configuration
  • Confirmation of major equipment list and process section completeness
  • Review of air compression, purification, rectification, oxygen compression, and nitrogen compression sections
  • Inspection of turbo expander booster package and related oil station auxiliaries
  • Review of transformer, switchgear, low-voltage cabinet, and DCS control scope
  • Support for equipment matching, plant layout review, and project communication
  • Additional inspection, overhaul, testing, or upgrading scope can be discussed based on the buyer’s project requirement

Project Support Services

  • Technical communication before order confirmation
  • Review of application requirements and downstream gas consumption needs
  • Support for equipment configuration confirmation and scope clarification
  • Assistance with packing, loading, and export arrangement
  • Spare parts planning and follow-up service support
  • On-site installation and commissioning support can be arranged based on project needs
  • Operation and maintenance guidance for key package equipment
  • Documentation support for project execution and international shipment

Frequently Asked Questions

Can you provide redesign or engineering modification support based on our project requirements?
Yes. We can support project-based review and necessary engineering adjustment based on utility conditions, site requirements, and downstream integration needs
Yes. We can support spare parts planning, follow-up spare parts supply, and long-term technical service for key systems.
Yes. We can provide on-site technical service for installation guidance, commissioning support, start-up coordination, performance checking, and operator training according to project progress and actual site requirements. This helps customers reduce project risk and put the plant into operation more smoothly.

Request a Quote & Technical Matching

Please provide your contact details and project requirements below. Our team will review your request and recommend suitable equipment solutions based on your application, technical needs, and delivery destination.
Site inspection, pre-shipment checking, and project discussion can be arranged for serious buyers.

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