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HDFD Purity 99.99-99.9999 Type Nitrogen Generator

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Product Description
Principle of operation.
The food grade nitrogen machine is based on the principle of variable pressure adsorption, using high quality carbon molecular sieve as the adsorbent, in a certain mechanical effect, the oxygen diffusion rate in the carbon molecular sieve microporous is much larger than nitrogen, when the adsorption does not reach equilibrium, the nitrogen is enriched in the gas phase, forming the finished nitrogen gas. Then the pressure is reduced to atmospheric pressure, and the adsorbent desorbs the oxygen and other impurities adsorbed to achieve regeneration. Generally, two adsorption towers are set up in the system, one for nitrogen production and the other for desorption and regeneration, which are automatically controlled by PLC program to make the two towers work in alternating cycles to achieve the purpose of continuous production of high-quality nitrogen gas. Under pressure, clean and dry compressed air is used for pressurized adsorption, decompression and disassembly in the adsorber.
Classic uses.
Mainly used in food packaging, food preservation, food storage, food drying and sterilization, pharmaceutical packaging, pharmaceutical replacement gas, pharmaceutical delivery atmosphere, etc.   
Technical design features.
(1) The unique molecular sieve dense filling technology and compression device are used to avoid the powdering of molecular sieve caused by the impact of molecular sieve in the high speed flow and improve the reliability of long-term operation of the system.
(2) Scientifically rational process and equipment configuration, compact equipment structure, beautiful appearance and small area.
(3) Low operating cost, stable and reliable nitrogen purity and flow rate.
(4) Air pretreatment part of the equipment, each stage filter with differential pressure indication, automatic drainage system.
(5) The equipment is connected and disassembled by standard parts, which makes installation and maintenance more convenient and convenient.
(6) Highly reliable inlet program-controlled valves with long service life can meet the needs of long-term stable operation of equipment.
(7) High degree of automation, using our self-developed microcomputer automatic program control system, the equipment can be operated automatically, and can adjust the nitrogen purity, pressure and flow rate according to the need.
(8) The equipment adopts aviation aluminum profiles for better use in the food and pharmaceutical industry or requires more accurate air source.
Technical indicators.
   Flow rate: 1-3000Nm/h  
   Purity: 99% - 99.9999%   
   Dew point: ≤ -40°C  
   Pressure: ≤0.8Mpa adjustable
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