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Liquid Oxygen Plant For Large Scale Industries
Description
Technical Parameters
Basic Product Overview
Our liquid oxygen plants are specifically engineered to cater to the high oxygen consumption of large-scale industries, with a core capacity range of 500m³/hr to 1000m³/hr. Unlike small or medium-sized oxygen supply equipment, our plants can maintain continuous and stable output even under long-term, high-load operating conditions-effectively avoiding production interruptions caused by insufficient oxygen supply.
Before launching any project, our professional team of engineers and technicians will conduct an in-depth on-site investigation of your business's live operations. We analyze key factors such as your hourly oxygen demand, peak consumption periods, and future production expansion plans, then customize the plant design to ensure a perfect match with your actual needs. The successful delivery of such large-scale projects relies on our decades of technical accumulation and high-level professional skills, ensuring every link from design to commissioning meets industrial excellence.
Why Choose our liquid oxygen plants?
Technology Leadership: We exclusively use advanced cryogenic technology, ensuring high purity and stable output that PSA technology cannot match.
European Quality: Backed by 90+ years of Boschi's experience, our plants meet strict European standards, minimizing maintenance costs and downtime.
Customized Service: We design plants based on your on-site operations, ensuring a perfect fit for your demand and future expansion.
Proven Track Record: As leaders in India's air separation plant manufacturing industry, we have successfully delivered large-scale LOX projects for numerous steel and metal enterprises.
Core Advantage: Advanced Cryogenic Technology
At the heart of our liquid oxygen plants lies the most advanced cryogenic technology in the market- a game-changer for large-scale industrial oxygen supply, especially when compared to alternative technologies like Pressure Swing Adsorption (PSA):
| Technical Indicator | Our Cryogenic LOX Plant | PSA Oxygen Plant |
|---|---|---|
| Oxygen Purity | Up to 99.6% (meets the strictest requirements for medical and industrial use, especially critical for high-precision steel smelting and metal processing) | Up to 93% (mostly inadequate for large-scale industrial scenarios that demand high purity) |
| Purity Stability | Maintains 99.6% purity stably for long-term use (no significant decline even after years of operation) | Purity drops substantially within 1 year of installation (requires frequent maintenance and replacement of adsorbents, increasing operating costs) |
| Applicability | Ideal for large-scale, continuous production (matches the high and steady oxygen demand of steel/metal industries) | Suitable for small-scale, on-site instant supply (cannot meet the large hourly consumption of large industries) |
By leveraging cryogenic technology, our plants cool ambient air to ultra-low temperatures (below -180°C), separating oxygen from nitrogen and other gases based on differences in their boiling points. This process not only ensures ultra-high oxygen purity but also enables large-volume, continuous production-perfect for large-scale industries like steel and metal manufacturing.
Air Compression & Pre-Cooling：Draw ambient air (filtered to remove dust) and compress it to 5–10 bar via centrifugal/reciprocating compressors (to increase air density for efficient separation). The compressed air, which generates heat during compression, is then cooled to near-ambient temperature through a cooler, preparing it for subsequent purification.
Air Purification：Remove impurities (water vapor, CO₂, hydrocarbons) that would freeze and block equipment at ultra-low temperatures: Molecular sieve adsorbers (two work alternately for continuous supply) trap water vapor and CO₂; a hydrocarbon trap filters trace hydrocarbons to avoid safety risks like combustion in the cryogenic stage.
Cryogenic Cooling & Rectification Separation：First, the purified air is cooled to ~-175°C in a plate-fin heat exchanger (reusing cold from later nitrogen/oxygen streams to save energy), forming a liquid-gas mixture. This mixture is then sent to a double-column rectification system: In the high-pressure column, nitrogen (boiling point -196°C) vaporizes and rises; oxygen-rich liquid (boiling point -183°C) flows down to the low-pressure column, where it is further separated into 99.6% pure liquid oxygen (collected at the bottom) and nitrogen (discharged or reused).
Liquid Oxygen Storage：The separated high-purity liquid oxygen is stored in insulated tanks (to maintain ultra-low temperature and prevent vaporization) for on-site industrial use (e.g., steel smelting) or subsequent transportation.
FAQ
1.Can existing LOX plants be upgraded if our oxygen demand grows later?
Yes. We reserve expansion interfaces during initial design. Capacity can be increased by 30%-50% (subject to model and on-site conditions) via adding distillation modules or optimizing compressors, with minimal production disruption and post-upgrade compliance with European standards.
2.What long-term cost advantages do cryogenic LOX plants have over PSA ones?
Over 5+ years: ① No annual adsorbent replacement (saves 15% of equipment cost/year vs. PSA); ② 20%-25% lower energy consumption (saves ~800k-1.2M RMB/year for 1000m³/hr capacity); ③ By-product 99.99% liquid nitrogen cuts external nitrogen purchase costs.
3.How long is the installation-to-commissioning cycle, and is full technical support provided?
4-6 months total (1-1.5 months foundation, 2-2.5 months installation, 1 month commissioning). Full support includes on-site planning, 5-8-person installation team, 24/7 trial-run support, 1-year free maintenance, and quarterly performance checks.
4.Does the equipment meet international safety standards for hazardous liquid oxygen?
Yes, complying with ISO 10462-1 and China's hazardous chemical regulations. Key protections: ① Dual safety valves for overpressure; ② Insulated pipelines (5-25℃ outer temp) to prevent frostbite; ③ Leak collection tanks + auto-shutoff valves for emergencies.
5.How to ensure uninterrupted oxygen supply for steel plants?
Triple guarantees: ① Parallel dual units (15-min switch if one fails); ② 10-15-day emergency liquid oxygen tank; ③ IoT monitoring (48hr fault prediction + auto alerts) to prevent downtime.
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