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High Purity LO2 / LN2 Air Separation Plant Oxygen Generating Machine

HANG ZHOU TAI LIAN CRYOGENIC EQUIPMENT CO., LTD.
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HANG ZHOU TAI LIAN CRYOGENIC EQUIPMENT CO., LTD.
Country/Region: China
Tel: 86-571-87290354
Contact Person:
Mr Yao junming

High Purity LO2 / LN2 Air Separation Plant Oxygen Generating Machine

Model Number : KDON-1400Y/2000
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 : 1400 +-5% cube meter per hour
Feature : Long service life low energy consumption
Standard : ISO9001;2008 CE cetificate
purity : 99.6%
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99.6% Air Separation Plant KDON-1400Y/2000 Liquid Industrial Oxygen Plant With Low Energy


Consumption


1. lant design basis (It needs buyer’s confirmation)


Design point of Atmosphere

Ø Atmosphere pressure

101.3kPa(A)

Ø Atmosphere tempt.

30℃

Ø Relative humidity

75%

Ø O2 contained in air

20.95% O2

Atmosphere tempt.

Ø Annual average temp.

18.4℃

Ø Max. Tempt.

40℃

Ø Min. Tempt.

-1.8℃

Ø Summer average temp.

30℃

Ø Winter average temp.

7.5℃

Earth shake degree

<6degree

Altitude:

50m

Impurity in air

Ø CO2

≤350 ppm

Ø SO2

≤0.44 mg/m3

Ø H2S

≤2.3 mg/ m3

Ø CH4

≤5.2mg/ m3

Ø C2H2

≤0.03 ppm

Ø CnHm(except C2H2)

≤5 ppm

Ø Dust content

≤10mg/m3

Recycling water

Ø Inlet temp.

30℃

Ø Inlet pressure

0.4 MPa(G)

Ø Maximum pressure drop

0.2 MPa(G)

Ø Maximum temperature rise

10℃

Ø Cooling water turbidity

12 mg/L

Ø PH value

7.2

Ø General hardness

2.5

Ø Fouling factor

0.0004 m2 hºC/ K.W

Power condition

Ø High voltage power

10,000V±5% three phases three wires

Ø Low voltage power

380V/220V±5% AC three phases four wires

Ø Frequency

50±0.5HZ

Instrument gas ( used for starting)

Ø Pressure

0.5 MPa(G)

Ø Temp.

≤30 ℃

Ø Dew point

<-40℃

Ø Flow

300m3/h

Ø Requirement

Oil freeFlow


2. Main parameter


Capacity and purity(outlet cold box):

Design condition Ⅰ

Media

capacity(Nm3/h)

purity

pressure(MpaG)

LO2

1400

≥99.6% O2

~0.16

N2

2000

≤3 ppm O2

~0.012

Design condition Ⅱ

LO2

1000

≥99.6% O2

~0.16

O2

400

≥99.6% O2

~0.034

LN2

400

≤3 ppm O2

~0.2

Note:Nm/h means under the condition of 0℃ and 760mmHg,

Liquid production converts to gas capacity

Pressure is calculated as 0 m altitude from the exit of cold box


Running period between 2 defrosting times

>2 years

Defrosting time

~36 hours

Starting time
from start the turbine to get the production

~16 hours


Power consumption table

No.

Equipment

Motor power(fixed power)kW

Normal working condition

Shaft power kW

Voltage degree

Notice

1.

Raw air compressor

2235

2114

10KV

Samsung

2.

Air pre-cooling system

Cooling water pump motor

15

10

380/220V

One in use one standby

Condensing water pump motor

11

6

380/220V

One in use one standby

Water chiller

35

25

380/220V

Spares

3.

Cryogenic chiller

60

54

380/220V


4.

MS purification system

Heater

210

Average:80

380/220V

Switching operation

5.

Expander oil pump

3

2

380/220V

One in use one standby

6.

Liquid storage system

LO2 transportation pump

15

10

380/220V

Intermittent operation

LN2 transportation pump

15

10

380/220V

Intermittent operation

7.

Instrument system


average:10

380/220V


Oxygen plant systems average electricity consumption(shaft power calculation, excluding liquid storage systems and utilities consumption):~2266kW


Description of the process:


Ø KDON-1400Y/2000 complete set of Liquid air separation plant is based on the air different boiling point of each component, pressurized air, pre-cooling, through molecular sieves to remove H2O and CO2,in the intermediate pressure heat exchanger is cooled to liquefaction temperature, then enters into the distillation column to participate rectification, thereby obtaining liquid oxygen, nitrogen products.

Ø This plant is of MS purification of air with boosting turbine expander process

◆ Raw air goes to air filter for removal of dust and mechanical impurity and enters air turbine compressor where air is compressed to ~1.1MpaA. Then goes to Air pre-cooling system, temp. drop to around 10℃ then enters into two sets of switching operation MS absorber, get rid of H2O,CO2,C2H2 e etc. impurity. After purified air through expander boosting then goes into cold box. Air which after boosting separates to two parts, one part via heat exchange cool to ~250K then extract and enter into cryogenic chiller cooled to around ~243K then goes to main heat exchanger continue cooling, after cooled air extract from middle of heat exchanger, goes into expander for expansion, one part of air which after expansion goes into heat exchanger then re-heat goes out of cold box, another part enters into upper column directly; another part of air through reflux gas cooled to liquid type, via cryogenic expander expansion then send to lower column

Ø Air via lower column Preliminary rectification,get liquid air from lower column,waste liquid N2 and pure liquid N2. Get liquid air, waste liquid N2 and pure liquid N2 from lower column,via liquid air liquid N2 sub cooler cooling throttle to upper column. Through upper column further rectification,get 99.6% liquid O2 from bottom of upper column,as product out of cold box. From top of accessory column get some N2, after re-heat as product goes out of cold box.

Ø Get waste N2 from top of upper column,through sub cooler and main heat exchanger re-heat goes out of cold box,get some part of waste N2 enter into MS purification system,as re-generation gas,others vent.

  • Supporting unit selection and description
  • Raw air compressor

Compressor uses turbine air compressor,The compressed air free of oil, to ensure the use of molecular sieve properties, was not subject to oil pollution and failure to ensure the safe and normal operation.

Air pre-cooling units, cryogenic refrigeration units


Uses imported semi-hermetic screw refrigeration compressor, can be adapted to the harsh

working conditions, and once you make a mistake and cause damage to the compressor,

the ease of maintenance. Compressor has high and low pressure and overheating

protection function from the main refrigeration components are used the most advanced

Danfoss company's products, making the device reliable operation; cold by the thermal

expansion valve to regulate, laminated evaporator for efficient heat, heat exchangers, high

efficiency, compact structure, etc..


Molecular sieve purification system (automatic switching)

Purifier uses dual adsorption structure, one set in running, another regeneration.

MS uses 13X-4X8 Head Ball-type MS forCO2 and H2Oadsorption capacity, ensure clean air into the column, so that the whole distillation column runs longer. Use of foreign advanced technology purifiers electric heating for effective control, interlock, to prevent electric heater and the heating temperature is too high and dry damaged heating pipes, effectively extending the life of the heater.

Distillation column

Distillation column uses highly efficient boosting turbo-expander, allowing device is stable operation;Sieve plate column with aluminum structure and efficient aluminum plate-fin structure and the main cold main heat exchanger, so that the entire device is compact. Cold box welded seal structure, the outer surface elegant appearance. Internal and external anti-corrosion measures taken.


Scope of supply


Self clean air filter

One set

Technical data(Notice:according to final design data)

Manufacturer

Wuyi

Type

Self clean

Process air volume

~34000m3/h

Filtering efficiency

≥99.8 %

Filtering resistance

≤0.65KPa

Installation type

Vertical

Filtering material

Plant fibre

Scope of supply(Notice:according to factory final supply)

quantity

Ø Filter body

1

Ø Cleaning system and control system

1

Ø Cartridge

1

Ø Spare parts

1


Centrifugal oil free air compressor

One set

Technical data(notice:according to final design data)

Manufacturer

Samsung or IHI

Compression media

Air

Cooling water inlet temp.

≤30 ℃

Cooling water supply pressure

0.4 Mpa

Design exhaust flow

17000m3/h

Exhaust pressure

1.1MPa(A)

Compression stages

Three stages

Main motor power

2235KW

Shaft power

2114KW

Cooling water consumption

218m3/h

Exhaust temp. (after cooler)

≤40 ℃

Exhaust oil content

100% oil free

Adjustment range

70 %~100 %

Scope of supply(Notice:according to factory final scope of supply)

quantity

Compressor(Include inlet vanes,volute,gear box,Main drive gear shaft,high low speed rotor,bearing,sealer,main oil pump tec.)

1

  • Compressor frame and anchor bolt

1

Main motor(Two-pole, asynchronous)include water cooler,Anti-condensation heater.

1

coupling and guard

1

Complete set of lub. system(include:oil tank,heater,Auxiliary pump,filter,cooler,hoods,base and anchor bolt etc.)

1

system of gas, oil, water pipes and pipe accessories

1

  • Gas cooler

1

return valve, vent valve, outlet valve

1

vent silencer

1

  • System valves

1

Inlet and outlet pipeline bellows pipe expansion joints

1

Anti-surge device

1

  • One time measuring element,local instrument and required connect joints and root valve

1

shaft vibration, axial displacement of one time measuring element

1

  • Local instrument and electric control panel

1

  • Spare parts and special tools

1


Air cooling system

One set

Technical data(Notice:according to final design data)

Manufacturer

Siad

Processing air volume

~17000 Nm3/h

Air working pressure

~1.1MPa (A)

Air inlet temp.

< 105 ℃

Air outlet temp.

~17℃

Cooling water consumption

Upper portion

~10m3/h

Lower portion

~50m3/h

Scope of supply

Spec.

Quantity

  • Air cooling tower, platform and ladder

Lower part sieve plate+ upper part stuff packing

1

  • Water cooling tower, platform and ladder

Stuff packing

1

  • Cooling water pump(one in use one standby)

Motor power~15 KW

2

chilled water pump(one in use one standby)

Motor power~11KW

2

  • Water filter

4

  • Valve and pipeline accessories

1

  • Water chiller(Spare)

Germany bitzer compressor

1

Shaft power

~25KW

Motor power

~35KW


Air cryogenic unit

One group

Technical data(notice:according to final design data)

Manufacturer

Siad

Type

UFD-16800/16

Processing air volume

~16800m3/h

Inlet pressure

~1.44MPa(G)

Air inlet temp.

253K

Air outlet temp.

243K

Motor power

~60KW

Shaft power

~54KW

Circulating Water Pressure

0.4MPa

Circulating Water Temp.

≤30℃

Circulating Water volume

~48t/h

Scope of supply(notice: according to final factory supply)

Quantity

Imported refrigeration compressor

1

Ø Condenser

1

Ø Evaporator

1

Ø Pipeline valve

1

Refrigeration Control Components

1

Ø Electric control panel

1

Ø Operation instrument board

1

Notice:above equipments as whole set skid-mounted design

Photo(Notice:according to final factory supply,photo for reference only)



MS purification system

One set

Technical data(Notice:according to final design data)

Manufacturer

Siad

Type

HXK-17000/11

Processing air volume

~17000 Nm3/h

Air working pressure

~1.1 MPa(A)

Air inlet temp.

<17 ℃>

Air outlet temp.

<24 ℃>

MS re-generation temp.

~165℃

Working time

4 hours

Scope of supply

Spec.

Quantity

  • MS adsorber

Vertical Bunk Beds

2

Mocular sieve(UOP-13XAPG)

Enough

Silicone(WHA-103 Activated Alumina)

Enough

Ø Vent silencer

1

Ø Valve and pipeline accessories

1

Ø Special tools

1

Ø Spare parts

1

Ø Electric Heater(One in use and one standby)

vertical

2

Power~210 KW/set

Average power consumption~80 KW

Photo(Notice:according to final factory supply,photo for reference only)


High temp. boosting turbine expansion group

One set

Technical data(Notice:according to final design data)

Manufacturer

Sichuan or Hangyang

Working media

air

Flow

~9300Nm3/h

Inlet pressure

~1.54Mpa(A)

Outlet pressure

~0.12(A)

Inlet temp.

~142K

Boosting volume

~9300 Nm3/h

Booster inlet pressure

~1.05MPa(A)

Booster inlet temp.

<40℃>

Scope of supply:(notice:according to factory final supply)

Quantity

Ø Expander body

1

Ø Booster(assembled with main machine)

1

Ø Oil supply equipment

1

Ø Filter

1

Ø Gas cooler

1

Ø Base frame

1

Emergency shut off valve and Nozzle adjustment mechanism

1

Ø Special tools

1

Ø Spare parts(include rotor)

1

tachometer and speed probe,one time measurement element local instrument and required connect joint, root valve

1

Photo(Notice:according to final factory supply,photo for reference only)



Cryogenic turbo-expander group

set

Technical data(notice:according to final design data)

Manufacturer

Jiangyang or Xida

Flow:

~4800Nm3/h

Inlet pressure

1.02MPa(A)

Outlet pressure

0.6MPa(A)

Inlet temp.

~120K

Scope of supply:(notice:according to factory final supply)

quantity

Turbine expander

1

Local instrument panel

1

Filter

1

Special tools

1

Spare parts(include rotor)

1

Photo(Notice:according to final factory supply,photo for reference only)


Liquid storage system

One set

Manufacturer

Siad

Scope of supply:

Spec.

Quantity

Liquid O2 storage tank(assembling at site)

(buyer supply)

Vertical,perlite insulation

1

Effective volume 300 m3

Design pressure normal pressure

Liquid N2 storage tank(assembling at site)

(buyer supply)

Vertical,perlite insulation

1

Effective volume 300 m3

Design pressure normal pressure

Liquid O2 filling pump(imported)

Centrifugal type

1

Transportation flow 18 m3/h

Working pressure 0.6 MPa(G)

Liquid N2 filling pump(imported)

Centrifugal type

1

Transportation flow 18 m3/h

Working pressure 0.6 MPa(G)

Photo(Notice:according to final factory supply,photo for reference only)




Product Tags:

air separation unit

      

Cryogenic Air Separation Plant

      
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