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Large complete air separation plant KDON(Ar)-13000/22000-350 solution for chemical industry

Large complete air separation plant KDON(Ar)-13000/22000-350 solution for chemical industry
Project Background

DEAR air separation has provided many sets of air separation plant for chemical industry for many years, with rich experience and the safe and stable unit operation. This unit adopts molecular sieve purification, booster turbine expander to supply the cooling capacity of the unit, and the whole rectification hydrogen-free argon production process. The rapid growth of enterprises in the industry is accompanied by the demand for production and the demand for air separation plant. DEAR air separation has cooperated with customers in the large-scale complete set of air separation plant KDON (AR) - 13000 / 22000-350 project, which has meet the capacity demand and safety demand of the enterprise.

Scheme Introduction

Solution advantages

The unit adopts molecular sieve purification, booster turbine expander to supply the cooling capacity of the unit, and the whole rectification hydrogen-free argon production process, which is safe, reliable and economical. The main reasons are as follows:

  1. Good safety

The whole set of device has the advantages of low operating pressure, simple process, high equipment safety, long switching cycle of molecular sieve system, increased service life of switching valve, and reduced potential hazards.

A large amount of liquid oxygen is extracted from the main cooling (K1) to minimize the possibility of hydrocarbon accumulation.

 

  1. High reliability

A large amount of surplus nitrogen can be sent to the water cooling tower, reducing the load of the water chiller, reducing the energy consumption and cost of air separation, so that the reliability of the device is further improved.

 

  1. Convenient operation and maintenanceandsimple process
Technical Parameters

PRODUCT

OUTPUT N m³/h

PURITY

PRESSURE OUT OF COLD BOX Mpa

TEMP

NOTE

OXYGEN

13000

≥99.6% O2

0.015

NORMAL

EXTERNAL COMPRESS TO 2.1Mpa

LOX

300

≥99.6% O2

Into tank

SATURATED

 

Nitrogen

10000

≤10ppmO2

0.008

NORMAL

To pre-cooling system

Nitrogen

12000

≤10ppmO2

0.008

NORMAL

EXTERNAL COMPRESS TO 1.0Mpa

LAr

350

≤1.5ppmO2
≤4ppmN2

Into tank

SATURATED

 

Note: measurement unit Nm3/H is measured at 0℃, 0.1013Mpa (A). It is called standard state quantity.

Note: the unit of measurement Nm3/h is measured at 0 ℃, 0.1013Mpa (A). It is called standard state quantity.

 

1.1 Take oxygen and nitrogen at different times

 

1.2 Operation cycle (interval between two large heating): ≥ two years

 

1.3 Heating and uncooling time of the device: ~ 36 hours

 

1.4 Starting time of the device (from the start of expander to the purity of oxygen product): ~ 40 hours

Matching Units

 Unit

1. Centrifugal air compressor

2. Air pre-cooling system

3. Purification system

4. Booster turbine expander

5.Fractionator system

6.Oxygen compression system

7. Nitrogen compression system

8.Liquid storage system

9.Instrument control system

10.Electric control system

1 Set

1 Set

1 Set

1 Set

1 Set

1 Set

1 Set

1 Set

1 Set

1 Set

DEAR Air Separation provides you Large complete air separation plant KDON(Ar)-13000/22000-350 solution for chemical industry to help you learn more about air separation equipment cases and air separation products. You can also view the Chemical industry solutions for air separation equipment and all solutions for the air separation equipment industry.
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