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99.6% Industrial C2H2 / SO2 / CO2 / Air Separation Plant 350M3/h Oxygen Plant

HANG ZHOU TAI LIAN CRYOGENIC EQUIPMENT CO., LTD.
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HANG ZHOU TAI LIAN CRYOGENIC EQUIPMENT CO., LTD.
Country/Region: China
Contact Person:Mr Yao junming

99.6% Industrial C2H2 / SO2 / CO2 / Air Separation Plant 350M3/h Oxygen Plant

Model Number : KDON-350/800
Certification : ISO9001;2008 CE CERTIFICATE
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 : 350 +-5% cube meter per hour
Feature : Long service life low energy consumption
Standard : ISO9001;2008 CE cetificate
purity : 99.6%
Inlet tempt. : 30℃
Inlet pressure : 0.4mpa
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99.6% Air Separation Plant Industrial KDON-350/800 Oxygen Plant With Low Energy Consumption

Atmosphere pressure 96kPa(A)
Atmosphere tempt. 25℃
Relative humidity 75%
O2 contained in air 20.95%O

Annual average tempt. 18.4℃
Max. Tempt. 45℃
Min. Tempt. -15℃
Average tempt. in Summer 25℃
Average tempt. in Winter -15℃

Earth shake : <6 Mcalli degree

Sea level: 425m

Impurity in atmosphere:
CO2 ≤300 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 content ≤10mg/m3

1.6 Recycling water

Inlet tempt. 30℃
Inlet pressure 0.4 MPa(G)
Max. pressure drop 0.2 MPa(G)
Max. tempt. rising 10℃
Turbidity of cooling water 12 mg/L
PH value 7.2

Total hardness 2.5
Fouling factor 0.0004 m2 hºC/ kW

Water consumption: 180T/h Recycling water ~25T/h(not incl. O2 compressor)

Power supply
HV power supply 10kV±5%
LV power supply 380V/220V±5%
Frequency 50±0.5Hz

Loaded power ~330KW(Name plate not iccl.

O2compressor)


2. Main technical parameters

2.1 Output and purity, pressure(out of the cold box)


O2 output 350m3/h±5%

O2 purity ≥99.6%O2

O2 pressure ~0.034MPa(G)

N2 output 800m3/h±5%

N2 purity ≤10ppmO2

N2 pressure ~0.012 MPa(G)

Product output status(at 0℃,101.325Kpa)

Start pressure 0.65MPa(G)

Continuous operation period between two defrosting times 12months

Start time ~24 Hours

Specific power consumption ~0.64kWh/mO2(not incl. O2 compressor)


3. Process description:

KDON-350/500 air separation plant is of low pressure process.

Raw air comes from air, goes through air filter for removal of dust andother mechanical particle and enters non-lub air compressor to be compressed by two stage compressor to approx. 0.65MPa(g).It goes through cooler and enters precooling unit to be cooled to 5~10℃. Then it goes to switch-over MS purifier for removal of moisture, CO2, carbon hydrogen. Purifier consists of two molecular sieve filled vessels. One is in use while anther is under regeneration by waste nitrogen from the cold box and through heater heating.

After purified, small part of it is used as bearing gas for turbine expander, other enters cold box to be cooled by reflux(pure oxygen, pure nitrogen and waste nitrogen) in main heat exchanger. Part of air is abstracted from the middle part of main heat exchanger and goes to expansion turbine for production of cold. Most of expanded air goes through subcooler which is cooled by oxygen from upper column to be delivered to upper column. Small part of it goes through bypass to waste nitrogen pipe directly and is reheated to go out of the cold box. The other part of air continues to be cooled to near liquid air tempt to lower column.

In lower column air,air is separated and liquified as liquid nitrogen and liquid air. Part of liquid nitrogen s abstracted from the top of the lower column. Liquid air after subcooled and throttled is delivered to the middle part of upper column as reflux.

Product oxygen is abstracted from the lower part of upper column and reheated by expanded air subcooler, main heat exchange. Then it is delivered out of column. Waste nitrogen is abstracted from the upper part of upper column and is reheated in subcooler and main heat exchanger to go out of column. Part of it is used as regeneration gas for MS purifier. Pure nitrogen is abstracted from the top of the upper column and is reheated in liquid air , liquid nitrogen subcooler and main heat exchanger to be delivered out of the column.

Oxygen out of the distillation column is compressed to customer.


4. Scope of supply:

Air non-lub. compressor 2 sets

Air discharge 1320 m³/h

Normal operation pressure ~0.70 MPa

Total power loaed 132 KW

Dim. 2650×1600×1800 mm

Scope of supply:

.1 Main machine

2 Spare parts 1 x2

3,Oil spray filter 1 Pc

Air precooling unit 1 Group

Type CAYL-2640/8

Air processed 2640m3/h

Air inlet pressure 0.8MPa

Air inlet tempt. ≤40℃

Air outlet tempt. ~8℃

4.3.1 Imported refrigeration compressor 1set

4.3.2 Condenser 1set

4.3.3 Evaporator 1set

4.3.4 Pipe valve 1set

4.3.5 Refrigeration auto element 1set

4.3.6Electric control panel 1set

4.3.7 Operation instrument panel 1set

4.3.8 Water separator 1set

4.3.9 Liquid level warning device 1set

Note:all above designed as a complete body.


4.4,MS purification system 1 set

Type HXK-2640/8

Process capacity 2640m3/h

Working pressure 0.8MPa

Air inlet tempt. 12℃

Absorbing time 8h

Regenerating gas inlet tempt. 250℃

Regenerating gas outlet tempt. 100℃

Heater power 60kW

Scope of supply:

4.4.1 MS absorbent column(containing MS) 2sets

4.4.2 Heater 1set

4.4.3 Filter 1pc

4.4.4 Pipe and valve 1set

4.5,Distillation column 1 set

Manufacturer Kaide

Model FON-350/800

Type Two stage rectification column

Process air 2600m3/h

O2 output 350m3/h±5%

O2 purity ≥99.6%O2

N2 output 800m3/h±5%

N2 purity ≤10PPmO2

Dim. 2600×3000×20000mm

Scope of supply:

  4.5.1 Main heat exchanger 1set

4.5.2 Subcooler 2set

4.5.3 Condenser-evaporator 1set

4.5.4 Distillation column 1set

4.5.5 Cold box 1set

4.6,Expansion turbine 1 group/2 sets

Type PLPK-10.6/5.7-0.47

Flow 636m3/h

Inlet tempt. 130K

Inlet pressure/outlet pressure ~0.67MPa(A)/0.147MPa(A)

Working medium air

Brake method Fan brake

Insulation efficiency ≥78%

Scope of supply:

 4.7.1 Expansion turbine body 2sets

 4.7.2 Expansion extending knob 4ps

4.7.3 Expander inlet filter 2ps

 Note:with distillation column as one body

4.7 Piston O2 compressor 2 sets(non-lubricate)

Type ZW-3/165

Discharge capacity 3m3/min

Discharge pressure 16.17MPa

Inlet tempt. 30℃

Discharge tempt. 40℃

Cooling water capacity ~5t/h

Cooling water tempt. ≤30℃

Cooling water pressure ≥0.3MPa

Motor power 55kW

Scope of supply:

4.7.1 O2 compressor body 2sets

4.7.2 Cooler 2sets

4.7.3 Control panel 2sets

4.7.4 Motor 2sets

4.8,Baloon(100m3) 1 pc (Jiangdu)

4.9,O2 filling ramp (24connectors) 2 sets


5. Description for instrument and electric design

KDON-350/800 plant electric and instrument control is of local panel control.


5.7.1. Air compressor has one electric control panel and control face, pressure and tempt. indication, warning and operation bottoms are provided on the operation desk.

5.7.2. Air compressor has one electric control panel and control face, pressure and tempt. indication, warning and operation bottoms are provided on the operation desk.

5.7.3. Purifier has purifier board and one heater power resource switch gear.

5.7.4. Instrument board for distillation column.

5.7.5. Tempt., flow rate, liquid level are digital-displayed in meters.


  1. Scope of supply by the buyer

    1. Connection valves, pipes (incl. flanges, bolts, nuts, washer, gaskets and accessories), necessary pipe support, valves, valves support, insulation material, packing steel belt, etc. between each unit(machine).

    2. Air suction part (buyer should ensure the air quality for the oxygen plant).

6.3 Measuring pipe, pipes support, cable and wire, pipes for each single unit and equipment and accessories for sealing gas system.

6.4 Anti-lightning device, earthing device for outside of the rectification column and vessels.

6.5 Engineering design for the workshop, including all civil work for , incl. light, utility engineering, workshop foundation sanitation, water supply and drainage, communication, indoor air conditioning, fire control, heating device as well as lifting device inside workshop., hoisting facility, etc.

HV power supply panel, voltage drop starter (if needed) , etc distribution equipment.

6.6 Water pumps, pipes, valves, and accessories for utility.

  1. Coating and paint for final painting of the plant.

6.8 Material and oil for operation of the plant.

6.9 Perlite and insulation material.

6.10 N2 analyzer


Competitive Advantage:


We Hang Zhou tai lian Co., Ltd. is a gas plant and machinery supplier which is special faced to Bangladesh market.

Our supply scope has: air separation plant (gas oxygen plant, liquid oxygen plant, nitrogen plant), acetylene plant, hydrogen plant, CNG station plant, etc.

Also we are exporting gas plant related items: air compressor, oxygen compressor, liquid oxygen pump, oxygen/nirtogen/argon cylinders, cylinder valves, regulators, cylinder testing machines.

We have more than 10 companies corporated in Bangladesh.

We have the Ce certificate

We persists in the principle of process lays the foundation,standard strengthens the quality,Implement decides the success,Innovation changes the future. According to the requirements of ISO9001 quality system standard, we have established effective quality system and feasible quality manual, which are firmly implemented. Over the past ten years, we have installed more than 300 air separation plants all over the world and have obtained the recognition of users. Our products are widely marketed throughout more than 30 provinces and autonomous regions, and also exported to dozens of countries including Vietnam, Kazakhstan, Bangladesh, Iraq, Egypt, Cambodia, Angola, Philippines, Pakistan, Venezuela, North Korea, Indian, Nigeria,etc.


O2 output350m3/h
O2 purity>99.6%
Loaded power330kw
N2 output800m3/h
Dim.2600*3000*20000mm
Typetwo stage rectification column
Process air2600m3/h
Air inlet pressure0.8mpa



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