Our factory is committed to producing and supplying world-class liquid nitrogen production equipment, combining cutting-edge technology and excellent performance to ensure the reliability and efficiency of the equipment. We not only adopt internationally leading technology and design, and continue to update technology, but also select high-quality raw materials and components to ensure that our liquid nitrogen equipment can meet the needs of various industries and provide high-purity nitrogen to support different medical and industrial applications.
NEWTEK is an industry pioneer in liquid nitrogen production equipment.
- Standard features: A series: The output range is from 20 liters to 1000 liters per hour (supporting the production of liquid oxygen and liquid nitrogen), which can be used for 100% liquid filling or 50% gas and 50% liquid mixed production.
- Basic principle: The liquid nitrogen production unit uses advanced air separation technology to efficiently extract oxygen and nitrogen from the air. We use the low-pressure process of Bosch in Italy, combined with rotary screw compressors and turbo expanders to ensure efficient operation. The raw air first passes through a molecular sieve purification system to remove moisture and carbon dioxide, and then is cryogenically cooled and liquefied, using the latest plate-fin heat exchangers and turboexpanders to separate the liquid air into oxygen, nitrogen and inert gases.
Main components
- Air compressor: Rotary screw compressors for small plants with an output of 500m³/hr to 1000m³/hr; large plants use efficient centrifugal compressors.
- Air pre-cooling system: All liquid nitrogen production units are equipped with efficient air pre-cooling systems to ensure optimal cooling of the gas.
- Air purification system: Molecular sieve beds are used to remove carbon dioxide and moisture from the raw air at low pressure to ensure gas purity.
- Distillation tower: A cold box unit using low-pressure technology, equipped with the most advanced plate-fin heat exchangers, condensers and sub-coolers, can provide nitrogen with a purity of up to 2-3ppm as a by-product without affecting the output of oxygen.
- Expander: Turbo expander is used to cool and liquefy the gas in the process, and brakes through the booster, reducing energy consumption and stabilizing the working conditions of the upper tower to ensure long-term reliable operation.
- Computer control: All equipment can be automatically configured through PC, equipped with electric cryogenic valves and external switching valves made in Germany or Japan, to achieve efficient monitoring and operation.
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