PFN-2500D type pressure swing adsorption nitrogen plant
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- Product Description
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Pressure Swing Adsorption Nitrogen Production Technology
Under a certain pressure, due to the kinetic effect, the diffusion rate of oxygen and nitrogen on carbon molecular sieve is quite different. In a short time, oxygen molecules are adsorbed by carbon molecular sieve, and nitrogen molecules are enriched in the gas phase to achieve oxygen and nitrogen separation.
Because the adsorption capacity of carbon molecular sieve for oxygen varies obviously with the pressure, the oxygen molecules adsorbed by carbon molecular sieve can be desorbed by reducing the pressure, so that the carbon molecular sieve can be regenerated, and the cycle can be repeated alternately, and the high quality nitrogen gas can be continuously produced.
■ Main performance indicators
Nitrogen flow:5~50000Nm3/h
Nitrogen purity:95~99.999%
Nitrogen pressure:0.7MPa (adjustable according to customer requirements)
Dew point:≤-43°C (under normal pressure)
■Technical features
Unique adsorption tower structure and process, to avoid floating adsorbent, pulverization, easy to large-scale
Unique internal components, uniform airflow distribution, reduce the impact of high-pressure airflow on carbon molecular sieve
Special molecular sieve protection measures, the adsorbent will not be added or replaced for ten years of normal operation.
Simple operation, stable operation, high degree of automation, can realize unmanned operation, nitrogen back blowing without loss (refined system)
Automatic interlocking nitrogen evacuation device to ensure product nitrogen quality
Optional nitrogen device flow, purity automatic adjustment system, remote monitoring system, etc.
High purity nitrogen supply
Fully enclosed isobaric complete set of high purity nitrogen:
The process adopts a fully closed isobaric drying process to hydrogenate nitrogen without damage, to achieve no pressure loss, no nitrogen loss, to achieve the purpose of high efficiency and energy saving.
Air-to-nitrogen ratio:2.3:1
Nitrogen purity:99.9-99.9999%(under-hydrogen deoxygenation and over-hydrogen deoxygenation are adopted to meet the energy saving requirements of different customers)
Working pressure:<1.3MPa
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