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Industrial Oxygen Plant Air Separation Unit 550m/h With CE Certificate 

Place of Origin: Zhejiang, China (Mainland) 
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Model No.: KDON-550/1000

99.6% Air Separation Plant FON 550/1000 Industrial Oxygen Plant With Low Energy Consumption
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99.6% Air Separation Plant FON 550/1000 Industrial Oxygen Plant With Low Energy Consumption


  • Technical Part.

    Annex . 1 Basic Design Condition

    1.1 Atmosphere Design Condition
    Atmosphere pressure                            101.3kPa(A)
    Atmosphere temperature                         30
    Relative humidity                            75%
    Atmosphere oxygen content                       20.95%O2

    1.2 Atmosphere temperature
    Annual average temperature                         18.4
    Extreme maximum temperature                       40
    Extreme minimum temperature                       -1.8
    Summer average temperature                        30
    Winter average temperature                        7.5

    1.3  Seismic force:                          6 Mercalli Scale   

    1.4  Altitude:                           50m

    1.5  Air composition at the end-user’s site:
    CO2                                  ≤350 ppm
    SO2                                                                    ≤0.44 mg/m3
    H2S                                  ≤2.3 mg/m3
    CH4                                  ≤5.2mg/m3
    C2H2                                 ≤0.03 ppm
    CnHm(except C2H2)                   ≤5ppm
    Dust content                          ≤10mg/m3

    1.6  Circulating water
    Inlet water temperature                  30
    Inlet/outlet water pressure               0.4 MPa(G)
    Max temperature rise                   0.2 MPa(G)
    Maximum temperature rise            10
    Cooling water turbidity                 12 mg/L
    PH                                 7.2
    Total hardness                        2.5
    Fouling factor                         0.0004 m2 hºC/ k.W

        Water consumption              33T/h(without oxygen compressor)

    1.7  Electricity supply
    LV                     380V/220V±5%AC three-phase four-wire system
    Frequency                                50±0.5Hz

        Loaded power         450KW(name card rate,not incl. O2 compressor)



    Annex. 2. Main technical parameter

    2.1 production capacity, purity and pressure

    Oxygen production                     550m3/h±5%

    Oxygen purity                         ≥99.6%O2

    Oxygen pressure                       0.034MPa(G)

    Nitrogen production                   1000m3/h±5%

    Nitrogen purity                        ≤10ppmO2

    Nitrogen pressure                      0.012 MPa(G)

    Production capacity(under condition of 0,101.325Kpa)

    2.2 start pressure                        0.65MPa(G)

    2.3 plant working period                  12 months

    2.4 start period                           24 hours

    2.5 unit power consumption                 0.6kWh/m3O2(without oxygen compressor)







     Annex.3 . process

    Type KDON-550/1000 Air separation plant adopts full low pressure flow, the technology process:

    Raw air from atmosphere enters air filter for removal of dust and other mechanical impurity and goes to non-lub air compressor. After two stage compression to approx  0.65MPa(G) it goes to precooling unit to be cooled to  510,then goes to switch over MS purification system for absorbing of moisture, CO2 and CnHm.  MS absorber purifier consists of MS vessels . While one MS absorber is working, the other is regenerated by waste nitrogen via heater to regenerate the MS.

    After purified, a small part of air is used as bearing gas for gas bearing expansion turbine. The rest enters cold box in which it is cooled in main heat exchanger by reflux(pure oxygen, pure nitrogen, waste nitrogen, etc. ) . Part of air is sucked from the middle of main heat exchanger to expansion turbine. Most of it after expansion  via sub-cooler after cooled by oxygen in upper column is delivered to upper column. Small part goes to waste nitrogen channel via reheated out of the cold box. The rest continues to be cooled down in main heat exchanger to near liquefied air tempt. to  lower column.

    In lower column , air is preliminary separated to nitrogen and oxygen enriched air.  In condenser

 Mr. Yao junming

Tel: 86-571-87290354
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Company Info


Business Type:Manufacturer
City: Hangzhou
Province/State: Zhejiang
Country/Region: China (Mainland)

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