Oxygen supply from an air separation unit for glass furnaces offers several key advantages to glass production facilities. First, it ensures a continuous supply of high-purity oxygen, improving fuel combustion efficiency in glass furnaces. This results in higher furnace temperatures, faster melting rates, and improved energy efficiency, ultimately reducing operating costs. Second, the system precisely controls oxygen flow and purity, enabling manufacturers to maintain optimal furnace conditions and achieve consistent glass quality. Third, the modular and scalable design allows the oxygen supply system to adapt to varying furnace capacities and outputs, providing flexibility for future expansion or operational changes.
Oxygen supply to glass furnace air separation units is widely used in various glassmaking processes. In flat glass production, precise oxygen control helps improve melting efficiency, smoother molten glass flow, and surface quality. In container glass manufacturing, the system helps achieve consistent color, uniform wall thickness, and higher yields. Specialty glass producers benefit from the ability to fine-tune oxygen supply to control chemical reactions, reduce defects, and enhance optical properties.
Working Principle Overview:
The Air Separation Unit (ASU) is an industrial device that separates oxygen, nitrogen, and argon from air using cryogenic air separation. Its core steps include:
Air Compression and Purification
After being compressed to high pressure, ambient air is filtered and dried to remove moisture, dust, oil mist, and other impurities.
This is a fundamental step in ensuring stable system and high-purity oxygen output.
Air Cooling and Liquefaction
The compressed and purified air is gradually cooled to extremely low temperatures (down to approximately -185°C) through a multi-stage heat exchanger, where the air components are sequentially liquefied.
Oxygen liquefies at a higher boiling point than nitrogen, enabling separation.
Cryogenic Rectification
The liquefied air enters the distillation tower, where, through multiple stages of condensation and evaporation, nitrogen, oxygen, and argon are effectively separated based on their boiling point differences.
The oxygen purity after rectification can reach 95%-99.6%, meeting the combustion and process requirements of glass furnaces. Oxygen Delivery and Control
The separated oxygen is pumped into the glass furnace combustion system. The oxygen flow and pressure can be precisely controlled based on the furnace's process requirements.
In conjunction with an automated control system, this system monitors and adjusts the oxygen supply in real time to ensure stable furnace temperature and combustion efficiency.
Our glass furnaces vary in size. Can you customize the oxygen supply system based on the furnace capacity?
Yes, NEWTEK can customize an Air Separation Unit oxygen supply for glass furnaces based on the capacity and production process requirements of our customers. The system flexibly adjusts production capacity and oxygen flow rate to ensure a continuous supply of high-purity oxygen, meeting the needs of different furnace sizes and production outputs.
Can a customized oxygen supply system improve furnace combustion efficiency and reduce energy consumption?
Absolutely. By customizing the oxygen purity, flow rate, and pressure of the Air Separation Unit oxygen supply for glass furnaces, we can optimize combustion conditions, increase flame temperature, shorten melting time, and reduce the amount of nitrogen in the air involved in combustion, thereby reducing fuel consumption and achieving energy savings and emissions reductions.
Can you provide customized system installation and maintenance services?
NEWTEK offers full EPC (engineering, procurement, and construction) and turnkey services. We can customize the installation plan, piping layout, and maintenance plan based on the customer's site conditions and operating habits to ensure safe, convenient, and reliable system operation. We also provide training and operational guidance.
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