Company Details
  • Hangzhou Saihu Air Separation Equipment Co., Ltd.

  •  [Zhejiang,China]
  • Business Type:Manufacturer , Trade Company
  • Main Markets: Africa , Americas , Asia , Caribbean , East Europe , Europe , Middle East , North Europe , Oceania , Other Markets , West Europe , Worldwide
  • Exporter:21% - 30%
  • Certs:ISO9001
  • Description:PSA Nitrogen Generator 99% Purity,Purity 99% Nitrogen Generator,PSA Nitrogen Generators
Hangzhou Saihu Air Separation Equipment Co., Ltd. PSA Nitrogen Generator 99% Purity,Purity 99% Nitrogen Generator,PSA Nitrogen Generators
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PSA Nitrogen Generators

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    Payment Type: L/C, T/T
    Min. Order: 1 Set/Sets
    Delivery Time: 60 Days

Basic Info

Model No.: SJM-1/8-SJM-300/8

Usage: Nitrogen, Oxygen

Purpose: Gas separation

Parts: Adsorption Tower

Application Fields: Chemical

Noise Level: Low

Machine Size: Medium

Certification: SGS, CE

Additional Info

Place of Origin: Zhejiang, China

Product Description

Specifications: CBN Type PSA Nitrogen Generator

Flow: 5-3000Nm3/h

Purity: 95%-99.999%

Dew-point temperature: -40° C or -60 ° C

Pressure: 0.1-0.8Mpa

PSA Nitrogen Generator Principles

PSA (Pressure Swing Adsorption)is an advanced air separation technology. It remains an irreplaceable standing in site gas supply field.

PSA advantages of technical:

* The purity of the product can be adjusted along with the change of flow rate;

* Work at low pressure and atmospheric pressure, safety and energy saving;

* Equipment operation is simple, Easy to maintenance;


Adsorbing material is the core in PSA nitrogen generator, the Carbon molecular sieve(CMS)is be chose as the adsorbing material generally, it can adsorb the oxygen ,carbon dioxide and water etc. not including the nitrogen gas.

PSA principle:

Under adsorption balance condition, for any adsorption, when adsorption one sort of gas, the higher the air pressure, the more quantity it can absorb, vice versa, as shown below:

Two adsorption towers, tower A and tower B, are equipped with special carbon molecular sieves. As clean compressed air flows towards outlet, passing through CMS in tower A, O2, CO2 and H2O are adsorbed and nitrogen flows out from adsorption tower outlet. CMS in tower A becomes saturated as time goes by. At this moment, tower A stops adsorption and compressed air enters tower B, tower B continues oxygen adsorption and nitrogen production. Meanwhile, CMS in tower A begins regeneration.

CMS regeneration is realized by lowering adsorption tower pressure to normal pressure and removing adsorbed O2, CO2 and H2O. Two towers make alternate adsorption and regeneration process and separate nitrogen from air and continuously produce nitrogen. This process is controlled by programmable logic controller (PLC). When outlet nitrogen purity does not reach set value, PLC activates, automatic discharge valve opens to empty unqualified nitrogen, which ensures unqualified nitrogen not to reach end user. Silencer reduces air discharge noise to less than 85dBA.

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