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China Suppliers of Liquid Oxygen and Liquid Nitrogen ASU Plant - Factory Direct Fullcryo Cryogenic Air Separation Solutions
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China Suppliers of Liquid Oxygen and Liquid Nitrogen ASU Plant - Factory Direct Fullcryo Cryogenic Air Separation Solutions

Fullcryo Cryogenic Air Separation Systems
Model Numbers: KDO, KDN, KDON, KDONAr
Flow Rate: 50-80,000 Nm3/h
Advantages: Leading Research & Development, Expert Manufacturing, and Onsite Installation

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As a premier manufacturer and supplier based in China, we offer cutting-edge designs and advanced manufacturing technologies tailored for cryogenic air separation. Our commitment to excellence is reflected in our exceptional pre-sale and after-sale services. With a dedicated air separation operation management team, we ensure optimized performance and reliability for our clients. Trust our factory for top-tier solutions in air separation technology.

    Product Description

    The basic principle of air separation is use cryogenic rectification to condense air into liquid and separate the air according to the evaporation temperature of each component. The two-stage rectification tower simultaneously obtains pure nitrogen and pure oxygen at the top and bottom of the upper tower. It is also possible to take out liquid oxygen and liquid nitrogen from the evaporation side and the condensation side of the main cooling respectively. The air separation in the rectification tower is divided into two stages, air is separated for the first time in the lower tower to obtain liquid nitrogen and at the same time obtain oxygen-enriched liquid air. The oxygen-enriched liquid air is sent to the upper tower for rectification to obtain pure oxygen and pure nitrogen. The upper tower is divided into two sections: with the liquid-air inlet as the boundary, the upper part is the rectification section, which rectifies the rising gas, recovers the oxygen component, and purifies the nitrogen purity, and the lower section is the stripping section to remove the nitrogen components in the liquid, separated to improve the oxygen purity of the liquid.

    The function of liquid oxygen and liquid nitrogen is to provide a convenient and efficient way to store and transport these gases for a variety of industrial, medical and scientific applications.

    Liquid Oxygen Applications

    Liquid oxygen is used in respiratory support in medical facilities, in industrial processes such as metal cutting and welding, and in the production of chemicals and fuels. It is also used in the aerospace industry for rocket propulsion and in the medical field for cryotherapy and cryopreservation.

    Liquid Nitrogen Applications

    Liquid nitrogen, on the other hand, has a wide range of applications, including as a coolant for preserving biological samples, in the food industry for freezing and packaging, in the semiconductor industry for cooling during manufacturing processes, and in the medical field for use in cryosurgery and dermatology.

    The liquid forms of these gases are easier to store and transport than their gaseous counterparts, and also enable precise and controlled delivery of the gas to the point of use. This makes liquid oxygen and liquid nitrogen vital to many critical applications across industries.

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    Frequently Asked Questions

    Q1 What is the basic working principle of cryogenic air separation?
    The basic principle is cryogenic rectification. The air is cooled down until it condenses into a liquid state, and then the components (like oxygen and nitrogen) are separated based on their different boiling and evaporation temperatures.
    Q2 How does the two-stage rectification tower operate?
    Air undergoes a primary separation in the lower tower to produce liquid nitrogen and oxygen-enriched liquid air. This oxygen-enriched liquid air is then transferred to the upper tower, which processes it further into pure oxygen and pure nitrogen.
    Q3 What are the primary applications of liquid oxygen?
    Liquid oxygen is widely used for respiratory support in medical facilities, metal cutting and welding in industrial settings, chemical and fuel production, rocket propulsion in aerospace, and cryotherapy or cryopreservation.
    Q4 What industries typically utilize liquid nitrogen?
    Liquid nitrogen is commonly used as a coolant for biological samples, for fast-freezing and packaging in the food industry, for cooling systems in semiconductor manufacturing, and for medical treatments in cryosurgery and dermatology.
    Q5 Why are these gases stored and transported in liquid form rather than gas?
    Liquid forms of oxygen and nitrogen are significantly more compact, making them much easier and more cost-effective to store and transport. Furthermore, liquid storage allows for highly precise and controlled delivery to the target applications.