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SO2 / H2S / C2H2 Air Separation Plant liquid Oxygen Plant 720Y-1500

Categories Air Separation Plant
Model Number: KDON-720Y-1500
Certification: ISO9001;2008 CE cetificate
Place of Origin: China
MOQ: 1set
Price: negotiation
Payment Terms: T/T or L/C
Supply Ability: 100sets month
Delivery Time: 60working days after received your payment
Packaging Details: Packed in standard export packing
Product Name: Oxygen plant
Application: Separate oxygen from air
Oxygen output: 720 +-5% cube meter per hour
Feature: Long service life low energy consumption
Standard: ISO9001;2008 CE cetificate
purity: 99.6%
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    SO2 / H2S / C2H2 Air Separation Plant liquid Oxygen Plant 720Y-1500

    Air Separation Plant Industrial 720Y-1500 liquid Oxygen Plant With Low Energy Consumption

    1. Equipment design basic conditions

    1.1 Atmospheric conditions of the design points
    Atmospheric Pressure 101.3kPa(A)
    Atmospheric Temperature 30℃
    Relative Humidity 75%
    Atmospheric oxygen content 20.95%O2

    1.2 Raw material conditions of air impurities:
    CO2 ≤350 ppm
    SO2 ≤0.44 mg/m3
    H2S ≤2.3 mg/m3
    CH4 ≤5.2mg/m3
    C2H2 ≤0.03 ppm
    CnHm(Except C2H2) ≤5 ppm
    Dust concentration ≤10mg/m3

    1.3 Power condition

    High Voltage Power Supply 10,000V±5%Three-phase three-wire
    Low Voltage Power Supply 380V/220V±5%AC Three-phase four-wire
    Frequency 50±0.5Hz

    Total installed capacity ~1300KW(Nameplate power)


    2.Main technical data

    2.1 Output and purity(outlet cold box)

    Design condition


    Output(Nm3/h)

    Purity

    Pressure(Mpa,G)

    Temp.(℃)

    Liquid Oxygen

    720

    99.6%O2

    ~0.16

    -177

    Gaseous

    Nitrogen

    1,500

    ≤10ppm O2

    ~0.008

    37


    Second design condition


    Output(Nm3/h)

    Purity

    Pressure(Mpa,G)

    Temp.(℃)

    Liquid Nitrogen

    720

    ≤10ppm O2

    ~0.2

    -192


    u Remark:Nm3/h means under 0℃,760mmHg

    2.2 Raw air compressor data:
    Air compressor design discharge capacity ~9,000Nm3/h
    Air compressor discharge pressure ~1.1Mpa(A)

    2.3 Operation period between two defrosting times >2 Years

    2.4 Defrosting time ~36 Hours

    2.5 Starting Time ~24 Hours

    2.6 Total electricity consumption 1,157 kW

    3. Process

    KDON-720Y/1500 air separation plant is based on the different boiling points of each components in the air. The air firstly is pressed, precooled, and got removal of H2O and CO2. After cooling in the medium pressure heat exchanger until reaching to the liquefaction temperature, it rectifies in the column to get liquid oxygen and liquid nitrogen.

    This plant is molecular sieve purifying air with turbo expander process.

    After being removed dust and mechanical impurity in the air filter, raw air goes to the air turbine compressor to press the air to 1.1MpaA, and cooled until 10℃ in the air precooling unit. Then it enters into alternate working molecular sieve absorber to remove the H2O,CO2,C2H2. The clean air is pressed by the expander and goes into the cold box. The presses air can be separated to 2 sections. After being cooled to 256K, one section is draw out to freezing unit 243K, then it is continuously cooled in the main heat exchanger. The cooled air will be draw out to the expander, and a part of expanded air goes into the main heat exchanger to reheat, then it gets out of the cold box. And the other parts go to the upper column. The other section is cooled by counter flow, and goes to the low column after being expanded.

    After air being primarily rectified, we can get liquid air, waste liquid nitrogen and pure liquid nitrogen in the low column. Liquid air, waste liquid nitrogen and pure liquid nitrogen sucked from the low column go to upper column after being cooled liquid and pure liquid nitrogen cooler. After being rectified in the upper column, we can get 99.6% purity liquid oxygen in bottom of the upper column, it goes out as product. A part of nitrogen sucked from the top of the assist column goes out of the cold box as product.

    Waste nitrogen sucked from the top of the upper column goes out of the cold box after being reheated by the cooler and main heat exchanger. Sucked part of it, it goes to molecular sieve purification system as the regenerative air source. Others are vented.


    4. Equipment supply scope

    4.1 Air filter 1 set
    Operation capacity ~18,000m3/h
    Filtration efficiency ≥98%
    Filtration resistance 0.8~1.2KPa


    4.2Air compressor 1 set (Atlas Copco or Ingersoll-Rand)
    Discharge capacity ~9,000m3/h
    Adjusting scope 75%~105%
    Discharge Pressure ~1.1MPa(A)
    Discharge temperature ≤40℃
    Motor power ~1120kW
    Shaft power ~1007kW
    Cooling water temp. ≤30℃
    Cooling water Pressure 0.4MPa
    Cooling water consumption ~105t/h

    Scope of supply:

    4.2.1Compressor main body 1set

    4.2.2 Main motor 1 set

    4.2.3 Pedestal 1 set

    4.2.4 Fuel supply system 1 set

    4.2.5 Gas pipelines and their attachment in the unit 1 set

    4.2.6 Lube pipelines and their attachment in the unit 1 set

    4.2.7 Cooling water pipelines and their attachment in the unit 1 set

    4.2.8 Valves in the boundary region 1 set

    4.2.9 Anti-surge system 1 set

    4.2.10 Inlet guide vane and adjustment system 1 set

    4.2.11 Inter stage cooler 1 set

    4.2.12 End stage cooler 1 set

    4.2.13 Emptying muffler 1 set

    4.2.14 Imported filter 1 set

    4.2.15 Anchor bolt 1 set

    4.2.16 Spare parts 1 set


    4.3 Air pre cooling system 1 Group
    Discharge capacity 9,000m3/h
    Inlet pressure ~1.1MPa(A)
    Air inlet temp. ≤40℃
    Air outlet temp. ~8℃
    Circulating water inlet pressure 0.4MPa
    Circulating water inlet temperature ≤30℃
    Circulating water capacity ~50t/h
    Motor power ~52KW

    Design Shaft power ~45KW

    Scope of supply:

    4.3.1 Imported cooling compressor 1 set

    4.3.2 Condenser 1 set

    4.3.3 Evaporator 1 set

    4.3.4 Water separator 1 set

    4.3.5 Pipeline valves 1 set

    4.3.6Cooling auto control element 1 set

    4.3.7 Apparatus control panel 1 set

    4.3.8 Operating instrument panel 1 set

    Remark: All parts above is designed packing in a container


    4.4 Air Low Temp. Refrigeration Units 1 group
    Operation capacity 9,000m3/h
    Inlet pressure ~1.4MPa(G)
    Air inlet temp. 256K
    Air outlet temp. 243K
    Circulating water inlet pressure 0.4MPa
    Circulating water inlet temperature ≤30℃
    Circulating water capacity ~10t/h
    Motor power ~35KW

    Design Shaft power ~30KW

    Scope of supply:

    4.4.1 Imported cooling compressor 1unit

    4.4.2 Condenser 1unit

    4.4.3 Evaporator 1unit

    4.4.4 Pipeline valve 1set

    4.4.5 Cooling auto control element 1set

    4.4.6 Apparatus control panel 1set

    4.4.7 Operating instrument panel 1unit

    Remark: All parts above is designed packing in a container


    4.5 MS Purifier(Auto swift) 1 set
    Operation capacity 9,000m3/h
    Working pressure 1.1MPa(A)
    Air inlet temp. 10℃
    Adsorption time 4h
    Electric heater power ~180kW
    The average electric heater power ~60kW

    Scope of supply:

    4.5.1Molecular sieve adsorption cylinder(including the molecular sieve) each one for right and left sides

    4.5.2 Filter 1set

    4.5.3 Electric heater 1set

    4.5.4 Auto switch valve 1set


    4.6 Rectification column system 1 set

    Scope of supply:

    4.6.1 Main heat exchanger 1 set

    4.6.2 Upper column 1 pc

    4.6.3 Main condense evaporator 1 pc

    4.6.4 Lower column 1 pc

    4.6.5 Sub cooler 1 set

    4.6.6 Pipeline inside the column 1 set

    4.6.7 Low temp. valves 1 set

    4.6.8 Cold box body 1 set

    4.6.9 Platform,ladder 1 set


    4.7 High-temperature boosting expansion unit 1 set
    Flow ~4,800Nm3/h
    Inlet pressure ~1.5MPa(A)
    Inlet temp. ~150K
    Outlet pressure ~0.12MPa(A)
    Efficiency ~82%
    Booster
    Flow ~4,800Nm3/h
    Inlet pressure ~1.1MPa(A)
    Inlet temp. 313K
    Outlet temp. 313K

    Cooling water consumption ~20t/h

    Scope of supply

    4.7.1 Boosting turbine expander main body 1set

    4.7.2 Oil supply equipment 1set

    4.7.3 Booster after cooler 1pc

    4.7.4 Filter 2sets

    4.7.5 Precision reducing valve(Imported) 1set

    4.7.6 Emergency shut-off valve 1set

    4.7.7 Booster return valve 1pc

    4.7.8 Specific tools 1set

    4.7.9 Spare parts (Include 1pc of rotor) 1set


    4.8 Low temp. expander system 1 set
    Expander
    Flow ~2,000Nm3/h
    Inlet pressure 1.1MPa(A)
    Inlet temp. 112K
    Outlet pressure 0.56MPa(A)
    Scope of supply

    4.8.1 Turbine expander main body 1unit

    4.8.2 Instrument panel 1pc

    4.8.3 Filter 2sets

    4.8.4 Specific tools 1set

    4.8.5 Spare parts(Include 1pc of rotor) 1set


    4.9 Liquid oxygen storage tank and filling Vehicle Systems 1set

    Scope of supply:

    4.9.1 Liquid oxygen storage tank 1pc(Installed in customer’s site)

    Type: Vertical,pearlite isolation

    Effective volume 200m3
    Design pressure Normal pressure

    4.9.2 Liquid oxygen filling pump for vehicle 1pc(Imported)
    Type Centrifugal
    Transmission flow 18m3/h
    Working pressure 0.6MPa(G)


    4.10 Liquid nitrogen storage and filling system 1set

    Scope of supply:

    4.10.1 Liquid nitrogen storage tank 1pc
    Type: Vertical,Vacuum Insulated
    Effective volume 50m3
    Design pressure 0.8MPaG

    4.10.2 Liquid nitrogen filling pump for vehicle 1pc(Imported)
    Type Centrifugal
    Transmission flow 18m3/h
    Working pressure 0.6MPa(G)


    5. Instrument control system

    5.3 Instrument system scope of supply

    5.3.1 DCS (Distribution Control System) 1set
    Main hardware
    17 inch Color LCD operation station 2sets
    Printer 2units
    Control station(Include control dealer and all kinds of

    I/O cards etc.) 1set
    Auxiliary terminal board and Communication cable 1set
    System software 1set

    5.3.2 Main instruments
    UPS 1set
    Pressure,Differential Pressure Transmitter 1set
    All types of adjusting valves 1set
    solenoid valve 1set
    solenoid valve 1set
    Platinum thermal resistance 1set

    5.3.3 Analyser About 5sets

    Include:
    Carbon dioxide analyzer(Imported) 1unit
    Pure oxygen analyzer 1unit
    Trace oxygen analyzer 1unit
    Trace water analyzer 1unit
    Oxygen analyzer 1unit

    5.3.4 Other instruments: 1set
    Include: Double mental thermometer, vane level gauge, boll-float level gauge,flash alarm,pressure controller,three valves block,low temperature heater,and mental flowmeter, etc. Tie-in and root valves on measuring point of utility project pipelines are contained in the scope of supply of the project design


    5.3.5 Instrument panel beside the machine

    Molecular sieve electromagnetism valve panel 1set
    Panel beside the expander 1 set
    Valve stand for analysis and sampling 1 set
    Complete sets of panels for online analyzer 1 set
    Switch board 1 set
    Emergency button operating board 1 set
    (The wires and pipes of above instrument panel will be delivery after finishing assemblage)


    6. Electric control system


    6.3Type selection of electrical circuitry equipment(Take the final design as the standard)

    6.3.1High voltage switchgear
    Model mid-set type vacuum switchgear
    Quantity ~1set

    6.3.2 Low voltage switchgear
    Model withdrawable switchgear
    Technical parameter 380V 35KA
    Defense stage IP23
    Quantity ~5sets

    6.3.3Pwoer adjusting panel 1set


    7Scope of buyer to manage

    8.1 The buyer should guarantee that raw air quality of the inlet can satisfy to the requirement of attachment 1

    8.2 Power supply transformer in the workshop

    8.3 Lighting preventing equipment of workshop, distillation column, outdoor tank and oxygen pipes.

    8.4 All civil construction and engineering materials include lighting, sanitation, water supply and drainage, communication, indoor air conditioning, fire control, heating device as well as lifting device inside workshop..

    8.5 Circulate cooling water system, cooling water pipes spread until 1 meter in the air separation boundary area

    8.6 Machine material and oil for the plant running (Show the list when first examination)

    8.7 Instrument air for the test running, linkage debugging and start-up

    8.8 High voltage leads to the high voltage panel, and low voltage leads to the low voltage panel

    8.9 Other parts that was clearly mentioned in this contract.


    8. QUOTATION

    NO.

    NAME

    TYPE

    Quality SO2 / H2S / C2H2 Air Separation Plant liquid Oxygen Plant 720Y-1500 for sale
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