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Large air separation plant KDON-15000/35000 solution for metallurgical industry

Large air separation plant KDON-15000/35000 solution for metallurgical industry
Project Background

DEAR air separation has cooperated with customers in metallurgical industry domestic and abroad in many projects, and has rich project experience. DEAR has continuously invested in the research and development of large-scale air separation plant. In view of different fields, DEAR combined with the characteristics of these industry, develops high-efficiency energy-saving air separation plant. DEAR air separation uses the rapid development of internet technology to establish a remote monitoring system to collect real-time operation data of each air separation plant, and provides the best suggestions for users by using big data analysis. The KDON-15000 / 35000 large scale air separation plant, cooperated with customers, has achieved rapid, stable and efficient operation, and highly affirmed by customer.

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

15000

≥99.6% O2

0.015

NORMAL

EXTERNAL COMPRESS TO 2.5Mpa

LOX

700

≥99.6% O2

Into tank

SATURATED

 

Nitrogen

15000

≤10ppmO2

0.008

NORMAL

To pre-cooling system

Nitrogen

20000

≤10ppmO2

0.008

NORMAL

EXTERNAL COMPRESS TO 2.5Mpa

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 air separation plant KDON-15000/35000 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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