The Cryogenic Nitrogen Production system is a state-of-the-art facility designed to manufacture high-quality nitrogen. Its use of low-temperature technology ensures maximum efficiency and conserves energy during the nitrogen production process. The equipment leverages the cooling principle to produce nitrogen continuously while rapidly separating it from the air. The nitrogen obtained via condensation in a low-temperature environment is extremely pure and contains no impurities. This device poses no potential safety risks, as it does not emit any hazardous gases during the manufacturing process. Thanks to its remarkable stability, the Cryogenic Nitrogen Production facility operates with ease and simplicity.
Features
The production of Cryogenic Nitrogen is characterized by its extended lifespan and ability to fulfill production needs effectively. With the incorporation of top-notch internal materials, this equipment boasts exceptional durability, ensuring long-term operational efficiency. An additional advantage lies in its impressive energy-saving capabilities, resulting in reduced energy consumption. In a nutshell, this equipment excels in efficiency, energy conservation, purity, safety, stability, and longevity. As a result, it finds extensive applications in fields such as electronic manufacturing, scientific research, and pharmaceutical production.
Technical parameters:
Products | Output N m³/h | Purity | Discharge pressure Mpa | Temperature |
Nitrogen | 3000 | ≥3ppmO2 | 0.7 | Normal temperature |
Liquid nitrogen | 300 | ≤10ppmO2 | 0.7 | Normal temperature |
Just a reminder, the unit of measurement Nm3/h is standardized to 0°C and 0.1013Mpa(A). It's important to keep this in mind when working with this measuring system. Please make sure to use the correct units when making calculations or analyzing data.
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(2) Device heating and cooling time: ~24 hours
The start-up time of the device, from the moment the expander is activated until the oxygen product reaches the desired purity level, is approximately 20 hours.

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Centrifugal Air Compressor | 1 set |
Air pre-cooling system | 1 set |
Purification system | 1 set |
Booster Turboexpander | 1 set |
Fractionation Column System | 1 set |
Nitrogen Compression System | 1 set |
liquid storage system | 1 set |
Instrument control system | 1 set |
Electronic control system | 1 set |
Main equipment configuration:




Who we are?
Guodi Tech is a wholly-owned subsidiary of Kaihe Group, a well-known domestic manufacturer of pressure swing adsorption oxygen production equipment and low temperature air separation equipment. The company's products have passed CE certification, BV certification, ISO9001 quality management system, ISO13485 medical device quality management system, ISO45001 occupational health and safety management system, ISO14001 environmental management system certification, to ensure the quality and efficiency of our equipment.

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