In modern heavy industries, a stable supply of industrial gases such as oxygen, nitrogen, and argon is essential for maintaining continuous production, energy efficiency, and operational safety. Any problem related to the supply of these gases may have very negative effects on production, its energy-efficiency and safety. That is why more manufacturers are investing in Large-Scale Air Separation Units (ASUs) for production of industrial gases at their facilities.
For example, nowadays there is a growing tendency of using ASU in production facilities of metals (including stainless steel), chemical products, glasses, non-ferrous metals, lithium-ion batteries and coal chemistry. Being a specialized manufacturer of equipment for gas processing, separation and liquefaction for more than two decades, DINAK has extensive experience delivering customized air separation solutions for these demanding industrial applications.
DINAK produces equipment for high-purity oxygen for converter furnaces and ultra-pure nitrogen for lithium-ion batteries among other things. With DINAK, industrial facilities will be able to optimize their processes, decrease expenses and improve production efficiency.
The Steel Industry: Oxygen for High-Efficiency Production
The steel industry is one of the largest consumers of oxygen and argon worldwide. Higher temperatures in the furnaces, improved furnace productivity and reduced fuel consumption are necessary in the steel industry.
Oxygen-Enriched Blast Furnace Injection
In blast furnaces, oxygen injection helps burn pulverized coal more completely. This raises output and cuts carbon emissions. A Large-Scale ASU supplies the steady oxygen flow these furnaces require. DINAK’s Gaseous ASU keeps gas delivery stable even when demand peaks.
High-Purity Oxygen for Converter Steelmaking
Converter steelmaking relies on high-purity oxygen blowing to remove carbon and impurities from molten iron. Any break in supply can halt production or harm the furnace. DINAK units also deliver argon through a hydrogen-free distillation process. This supports the production of clean, high-grade steel.
Chemical Sector: Essential Nitrogen Protection Solutions
The chemical and petrochemical industries adhere to high standards of safety and purity. The presence of nitrogen ensures an inert atmosphere, thus preventing any possibility of explosion and oxidation.
Nitrogen is widely used for pipeline purging and reactor inerting in ammonia, methanol, and ethylene production plants. The Ultra Nitrogen Plant by DINAK, also known as High-purity nitrogen equipment, relies on the use of cryogenic separation to achieve oxygen impurity levels at ppm standards required for sensitive chemical processes.
Glass and Metallurgy: Enhancing Combustion with Oxygen
The manufacturing of glass and the processing of non-ferrous metals is highly energy-consuming. They require oxygen-enriched combustion processes.
Oxygen-Enriched Combustion in Glass Furnaces
The partial substitution of combustion air by oxygen increases the efficiency of heating and reduces NOx formation. DINAK manufactures bespoke gas systems suitable for glass melting furnaces. This solution helps increase the lifetime of the furnace and decrease fuel expenses.
Efficient Smelting Processes for Non-Ferrous Metals
In copper, lead, and zinc smelting, oxygen enrichment accelerates the oxidation stage of the smelting process and raises metal recovery. DINAK Large-Scale ASU offer a wide load range. Plants can adjust gas flow to match each smelting cycle.
New Energy Materials: Argon and Nitrogen Requirements
Lithium battery and photovoltaic manufacturing now demand very high-purity argon and nitrogen.
High-Purity Nitrogen for Lithium Battery Production
Cathode and anode materials must be made in dry, oxygen-free conditions. DINAK High-purity nitrogen equipment meets these needs and supports stable, safe battery output.
Industrial Argon Applications in Photovoltaic Manufacturing
Argon provides an inert protective atmosphere during monocrystalline silicon crystal growth for photovoltaic manufacturing.
On-Site Gas Supply: Coal, Chemical, and Heat Treatment
Large industrial parks and coal-to-chemical plants need reliable on-site gas systems.
Meeting High-Pressure Demand in Coal Gasification
Coal gasification needs large volumes of oxygen at high pressure. DINAK Gaseous ASU units with internal compression can deliver high-pressure oxygen for coal gasification applications. No extra compressors are required.
Precise Atmosphere Control for Industrial Heat Treatment
Bright annealing and sintering processes require precisely controlled furnace atmospheres. DINAK supplies on-site nitrogen or hydrogen to prevent oxidation and reduce scrap.
Why Factories Invest in Independent Large-Scale ASU
Many manufacturers now prefer their own on-site ASU instead of buying liquid gas.
Ensuring Continuous Production and Stable Supply
Truck deliveries of liquid gas can face delays or price changes. An on-site Large-Scale ASU from DINAK gives plants direct control over supply. Production runs without interruption.
Reducing Operating Costs and Downtime Risks
The upfront cost of a Large-Scale ASU is high, yet lower gas purchase and transport costs often recover the investment quickly. DINAK also provides remote monitoring and diagnostics. Issues can be found early, before they cause unplanned stops.
DINAK: Tailored Solutions for Diverse Industrial Needs
DINAK designs each system to match the specific conditions of the site.
Customized Gas Solutions Based on Working Conditions
DINAK offers Full Liquid ASU units when plants prefer easy storage and transport of liquid oxygen and nitrogen.
Advanced Internal Compression and Energy-Saving Technologies
The ultra-low-pressure process design reduces compressor discharge pressure and lowers overall energy consumption. This cuts energy use. Internal compression and modular skid-mounted designs also simplify installation and raise system reliability.
Conclusion
A Large-Scale ASU is more than a gas plant. It gives factories greater control over supply and efficiency. From steel converters to lithium battery lines, each sector has its own gas needs. DINAK builds systems that match those needs. Internal compression and ultra-low pressure designs help plants run at lower energy cost. As industries move toward cleaner and smarter operations, a DINAK air separation unit supports steady output and long-term reliability.
Contact DINAK today to see how an on-site air separation unit can fit your gas supply needs and support higher production output.
FAQ
Q: What is the primary purpose of a large-scale air separation unit in industry?
A: A Large-Scale ASU separates air into oxygen, nitrogen, and argon by cryogenic distillation. These gases serve as raw materials or protective atmospheres in steel, chemical, and electronics plants.
Q: Why do steel plants require a dedicated air separation unit?
A: Steel plants need large, steady volumes of oxygen for blast furnace enrichment and converter steelmaking. An on-site air separation unit removes the risks and costs of external deliveries and keeps production running.
Q: Can DINAK provide equipment for smaller industrial applications?
A: Yes. DINAK also builds the small-scale ASU. These compact, skid-mounted units suit small gas plants and laser cutting shops where space is limited but a steady on-site supply is still needed.
