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100m3/h Medical Oxygen Plant Low Pressure Cryogenic Air Separation Plant

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Country/Region: China
Contact Person:Mr Yao junming

100m3/h Medical Oxygen Plant Low Pressure Cryogenic Air Separation Plant

Model Number : KDON-100/250
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 : 100 +-5% cube meter per hour
Feature : Long service life low energy consumption
Standard : ISO9001;2008 CE cetificate
purity : 99.6%
PH value : 7.2
Total rigidity : 2.5
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99.6% Air Separation Plant FON 100/250 Industrial Oxygen Plant With Low Energy Consumption

  • Basic Design Condition

1.1 Atmospheric Design Condition
atmospheric pressure 101.3kPa(A)
atmospheric temperature 30℃
relative humidity 75%
atmospheric oxygen content 20.95%O2

1.2 Atmospheric temperature
annual average temperature 18.4℃
extreme maximum temperature 40℃
extreme minimum temperature -1.8℃
average temperature in summer 30℃
average temperature in winter 7.5℃

1.3 Seism: <6 Mercalli Scale

1.4 Altitude: 50m

1.5 Ambient 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(excl. C2H2) ≤5 ppm
dust content ≤10mg/m3

1.4 Circulating water
inlet water temperature 30℃
inlet water pressure 0.4 MPa(G)
maximum pressure drop 0.2 MPa(G)
maximum temperature rise 10℃
cooling water turbidity 12 mg/L
PH value 7.2
total rigidity 2.5
furring factor 0.0004 m2 hºC/ k.W

equipment water consumption ~10T/h(excl. oxygen compressor)

1.5 Electricity supply
Low Voltage Power Supply 380V/220V±5% (ac three-phase four-wire system)
frequency 50±0.5Hz

total Installation capacity ~115KW(nominal power,

excl.oxygen compressor)

  • Technical Property

2.1 production flow, purity & pressure

oxygen production 100m3/h±5%

oxygen purity ≥99.6%O2

oxygen pressure ~0.034MPa(G)

nitrogen production 250m3/h±5%

nitrogen purity ≤10ppmO2

nitrogen pressure ~0.012 MPa(G)

product status(0℃,101.325Kpa)

2.2startup pressure 0.7MPa(G)

2.3 equipment operation cycle 12 months

2.4 startup time ~24hours

2.5 unit electrical consumption ~0.75kWh/m3O2(excl. oxygen compressor)

  • Process Flow Description

KDON-100/250 ASU adopts a complete low-pressure process, with detailed process description as follows:

Feed air is sucked into the air filter from the atmosphere, where the contents of dust and other mechanical impurities are being removed, before entering an oil-free air compressor, and through two stage compression, it is pressurized up to a pressure of ~0.7MPa (Gauge); upon being cooled in the after-cooler, it enters the pre-cooling unit where it is pre-cooled to a temperature of 5~10ºC, before being inlet to a switch-over molecular sieve adsorption unit, where the contents of moisture, CO2, hydrocarbons in the air are being adsorbed. Molecular sieve adsorption unit is made up of two vessels filled with molecular sieve: when one vessel is working, the other is being regenerated in an electrical heater for its molecular sieve by the waste nitrogen from the cold box.

The purified air, except that a small portion is used as bearing gas for airshaft expansion turbine, all the rest enters the cold box for air separation. In the main heat exchanger, it is cooled by gas refluxes (pure oxygen, pure nitrogen, & waste nitrogen, etc.) Part of air being withdrawn from the middle level of the main heat exchanger, enters expansion turbine for expansion and refrigeration. A major part of the expanded air thru expanding in the sub-cooler, is cooled by the oxygen in the LP column before sending to LP column. The remaining small part goes by-pass directly into the waste-nitrogen circuit, and then discharged out of cold box after being re-heated. Rest of the process air is continuously cooled in the main heat exchanger to reach close to liquefied air temperature before entering the MP column.

In the MP column, the air is being initially separated into nitrogen and oxygen enriched liquefied air. GAN is being condensed and liquefied in the main condenser, and meantime LOX at the low-pressure side of the main condenser is being vaporized. Part of LIN is used as MP column reflux, the remaining LIN is drawn from top of the MP column, and through liquefied air LIN subcooler, it is subcooled with pure nitrogen and waste nitrogen and throttled before being sent to top of the LP column. Liquefied air after being sub-cooled and throttled is being sent to middle level of the LP column as reflux.

Oxygen production is drawn at the lower level of the LP column, and thru expansion air sub-cooler and main heat exchanger reheating, it is then delivered out of the column. Waste nitrogen is drawn at the upper level of the LP column, and after being reheated in the sub-cooler and main heat exchanger, it is then delivered out of the column, with some part used as the regeneration gas for the molecular sieve adsorbers. Pure nitrogen is delivered at the top of the LP column, and thru reheating in the liquefied air / liquefied nitrogen subcooler and the main heat exchanger, it is delivered out of the column.

Oxygen out of the distillation column is pressurized by the oxygen compressor up to a specified pressure before being delivered to the end-user.

  • Component Equipment

4.1,Air compressor(piston oil-free lubrication) 1 set

Model No. VHN-13/7

Discharge flow 13m3/min

Discharge pressure 0.7MPa(G)

Motor power 75kW

Cooling water flow ~3t/h

Cooling water temperature ≤30℃

Cooling water pressure ≥0.3MPa

Supply Scope:

4.1.1 Motor 1pc

4.1.2 Main body of air compressor 1pc

4.1.3 Electrical control cabinet 1pc

4.1.4 Spare parts 1set

4.1.5 The last afer-cooler 1pc

4.2,Air pre-cooling unit 1set

Model No. GAYL-780/8

Discharge flow 780m3/h

Air inlet pressure ≤0.8MPa(G)

Air inlet temperature ≤40℃

Air outlet temperature ~8℃

Motor power 5kW

Circulation water inlet pressure ≥0.3MPa

Circulation water inlet temperature ≤30℃

Circulation water flow 5t/h

Supply Scope:

4.2.1 Import refrigeration compressor 1pc

4.2.2 Condenser 1pc

4.2.3 Vaporizer 1pc

4.2.4 Piping valves 1set

4.2.5 Refrigeration auto-control element 1set

4.2.6 Electrical control board 1set

4.2.7 Operation instrument panel 1pc

4.2.8 Water separator 1pc

4.2.9 Liquid level alarm device 1set

Note:above the pieces are of one integral case design.

4.3,Molecular purification system 1set

Model No. HXK-780/8

Process airflow 780m3/h

Working pressure 0.8MPa

Air inlet temperature 12℃

Adsorption cycle 8h

Regenerate air inlet temperature 250℃

Regenerate air outlet temperature 100℃

Electrical heater power 30kW

Supply Scope:

4.3.1 Molecular sieve adsorption vessel 1 each on left&right (incl. M/S)

4.3.2 Electrical heater 1pc

4.3.3 Piping & Valves 1set

Note: above pieces are of one integral skid design.

4.4,Distillation System 1set

Model No. FON-100/250

Type 2 stage distillation

Process airflow 640m3/h

Oxygen production 100m3/h±5%

Oxygen purity ≥99.6%O2

Nitrogen production 250m3/h±5%

Nitrogen purity ≤10PPmO2

Overall dimension 2200×2300×14000mm

Supply Scope:

4.4.1Main heat exchanger 1pc

4.4.2 Subcooler 2pcs

4.4.3 Main condenser-vaporizer 1 pc

4.4.4 Distillation column 1pc

4.4.5 Cold box shell/casing 1pc

4.5,Expansion Turbine 1 set in 2 pcs

Model No. PLPK-4.67/6.2-0.5

Flow 280m3/h

Inlet temperature 135K

Inlet pressure/outlet pressure ~0.72MPa(A)/0.15MPa(A)

Medium Air

Type Blower brakes & gas bearings

Adiabatic efficiency ≥70%

Supply Scope:

4.5.1 Main body of expansion turbine 2pcs

4.5.2 Expansion bend 4pcs

4.5.3 Expansion turbine inlet filter 2pcs

4.6,Piston Oxygen Compressor 1pcs (with water lubrication)

Model No. 3Z3.5-1.67/150

Discharge flow 1.67m3/min

Discharge pressure 15.0MPa

Inlet temperature 30℃

Discharge temperature 40℃

Cooling water flow ~3t/h

Cooling water temperature ≤30℃

Cooling water pressure ≥0.3MPa

Motor power 30kW

Supply Scope:

4.6.1 Main body of compressor 1pc

4.6.2 Cooler 1set

4.6.3 Electrical control cabinet 1pc

4.6.4 Motor 1pc

4.7,Oxygen Bag(50m3) 1pc

4.8,Oxygen Charging Equipment(24heads) 1set

4.9,Engineer Materials of Equipment 1set

(pipe,engineering valve, cable, thermometer, etc.)

4.10,Water Cooling System 1set

(cooler,water pump,pipeline,valve etc.)

4.11,Insulation 1set

(heat preservation cotton, pearled sand, etc.)

O2 output100m3/h
Model NO.VHN-13/7
Discharge flow13m3/min
Discharge pressure0.7mpa
Motor power75kw
Cooling water flow0-3t/h
Cooling water pressure>0.3mpa

KDON - 100/250 oxygen plant

Product Tags:

Industrial Oxygen Plant


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