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Large air separation plant KDON (Ar)-12000/24000-400 solution for metallurgical industry

Large air separation plant KDON (Ar)-12000/24000-400 solution for metallurgical industry
Project Background

Metallurgical industry is an industry to develop metal mineral resources and produce various kinds of raw materials for metal products. With the progress of science and technology, the metallurgical industry has new requirements for the process, process, management and application research and development of air separation plant. For many years, DEAR air separation has provided a number of complete solutions for the metallurgical industry, relying on the deep understanding of the industry and excellent product quality to help the efficient development of the metallurgical industry. KDON (Ar) - 12000 / 24000-400, a large scale air separation plant cooperated by DEAR air separation company and customers, has realized the rapid, stable and efficient operation of the production process, which is highly affirmed by customers. It also provides strong technical and product support for customers to cope with the fierce market competition.

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.

 

2.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.

 

3.Convenient operation and maintenanceandsimple process

Technical Parameters

PRODUCT

OUTPUT N m³/h

PURITY

PRESSURE OUT OF COLD BOX Mpa

TEMP

NOTE

OXYGEN

12000

≥99.6% O2

0.015

NORMAL

EXTERNAL COMPRESS TO 2.5Mpa

LOX

300

≥99.6% O2

Into tank

SATURATED

 

Nitrogen

12000

≤10ppmO2

0.008

NORMAL

To pre-cooling system

Nitrogen

12000

≤10ppmO2

0.008

NORMAL

EXTERNAL COMPRESS TO 2.5Mpa

LAr

400

≤1.5ppmO2
≤4ppmN2

Into tank

SATURATED

 

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

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1 Set

DEAR Air Separation provides you Large air separation plant KDON (Ar)-12000/24000-400 solution for metallurgical industry to help you learn more about air separation equipment cases and air separation products. You can also view the Metallurgical solutions for air separation equipment and all solutions for the air separation equipment industry.
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