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Metal Smelting Liquid Oxygen Plant
Description
Technical Parameters
The Important Role of Metal Smelting Liquid Oxygen Plant
●High-Flow & Stable Supply: Equipped with large-diameter distillation towers and high-power liquid oxygen pumps, daily capacity 50-500 tons, supporting 200-1000 Nm³/h instantaneous gasification output to meet smelting peak oxygen demand.
●Smelting-Resistant Design: Key components (pipes, valves) use Hastelloy alloy (resistant to high-temperature smelting flue gas corrosion); equipment shell adopts high-temperature insulation coating, adapting to 0-60℃ smelting workshop environment.
●Energy-Saving & Cost-Reduction: Adopts waste heat recovery system (recycles smelting flue gas heat for preheating raw air), unit energy consumption 0.42-0.55 kWh/Nm³, reducing smelting oxygen cost by 12-18%.
●Process Synergy: Supports linkage control with smelting furnaces (e.g., BF ironmaking, converter steelmaking), automatically adjusting oxygen supply pressure (0.8-1.2 MPa) based on furnace temperature, improving smelting efficiency by 8-10%.
Working Principle
Raw Air Preprocessing
High-efficiency dust filter (removes smelting workshop dust) → compression (3-5 MPa) → waste heat recovery preheating → molecular sieve adsorber (removes moisture/CO₂, prevents smelting slagging).
Cryogenic Liquefaction
Purified air enters smelting-specific cold box, cooled to -185℃ by cryogenic refrigeration unit, forming liquid air.
Targeted Distillation
Liquid air enters multi-stage distillation tower, adjusting separation efficiency to retain trace impurities (e.g., 0.3%-0.5% argon) that enhance smelting deoxidation, outputting 99.2%-99.6% liquid oxygen.
Smelting-Specific Output
Liquid oxygen stored in high-pressure insulation tanks, gasified via instantaneous gasifier, directly connected to smelting furnace oxygen lance.
Why choose NEWTEK's Metal Smelting Liquid Oxygen Plant
NEWTEK is a top-class liquid oxygen plant manufacturer!
●Technical Performance Advantages: May adopt more advanced oxygen generation, storage, or delivery technologies-such as higher oxygen purity, higher gas production efficiency , or lower energy consumption.
●Safety and Stability: Metal smelting scenarios have strict safety requirements for equipment. This liquid oxygen plant may be equipped with multiple safety protection systems to effectively avoid safety risks during liquid oxygen storage and use. Meanwhile, its reliable overall structural design ensures low failure rates and continuous, stable smelting production.
●Adaptability and Customization: To meet the differentiated needs of different metal smelting processes , NEWTEK may provide customized equipment solutions-such as adjusting plant capacity based on smelting scale and optimizing equipment structure according to on-site space layout. This ensures seamless integration with existing smelting production lines and improves overall production efficiency.
●Brand and Service Support: As a product of NEWTEK-group, it may rely on the brand's long-term experience in the industrial equipment field, with a mature R&D team and comprehensive after-sales service system. This helps enterprises reduce equipment operation and maintenance difficulties and ensure long-term effective operation of the plant.
FAQ
1.What purity level of liquid oxygen can your Metal Smelting Liquid Oxygen Plant produce, and is it suitable for different metal smelting processes?
Our plant typically produces liquid oxygen with a purity of 99.5% to 99.999%, which meets the core demand for high-purity oxygen in most metal smelting scenarios. For steel smelting , the 99.5% purity suffices to enhance combustion efficiency and reduce carbon content; for high-precision non-ferrous metal smelting, we can customize the plant to achieve 99.99%+ purity to avoid impurity interference with metal quality.
2.What is the daily liquid oxygen output capacity of the plant, and can it be adjusted according to our smelting production scale?
The standard daily output capacity ranges from 50m³ to 500m³, covering small to large smelting workshops. If your production scale changes, we offer two adjustment solutions: 1) Equipping the plant with a modular design that allows adding oxygen-generation units to increase output by 30%-50% without rebuilding the entire system; 2) Providing a flexible control system to adjust the output within ±20% of the rated capacity in real time to match fluctuating smelting demands.
3.What safety protection measures does the plant have to prevent risks like liquid oxygen leakage or pressure anomalies during operation?
Safety is prioritized in the plant's design, with a 3-layer protection system: 1) Leakage prevention: Using double-layer vacuum-insulated storage tanks and corrosion-resistant pipelinesto minimize leakage risks; 2) Real-time monitoring: Installing high-sensitivity oxygen concentration sensors, pressure transmitters, and temperature detectors, which trigger audible and visual alarms if parameters exceed safety thresholds; 3) Emergency response: Equipping an automatic emergency shutdown valve and a backup pressure relief system-if pressure exceeds 1.2 times the rated value, the valve closes immediately to cut off the oxygen supply, and the relief system releases excess pressure to avoid accidents.
4.What is the energy consumption of the plant per cubic meter of liquid oxygen, and are there any energy-saving designs to reduce long-term operating costs?
The standard energy consumption is 0.6-0.8 kWh per cubic meter of liquid oxygen (lower than the industry average of 1.0 kWh). Key energy-saving designs include: 1) Adopting a variable-frequency air compressor that adjusts power output based on actual oxygen demand, reducing idle energy waste by 15%-20%; 2) Integrating a waste heat recovery system-recycling heat from the oxygen-generation process to preheat raw air, cutting heating energy consumption by 10%; 3) Using high-efficiency molecular sieves with longer service life (3-5 years) and lower regeneration energy needs, further lowering operational costs.
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