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Type 13000/22000-350 solution for medium-sized complete air separation plant in chemical industry

Type 13000/22000-350 solution for medium-sized complete air separation plant in chemical industry
Project Background

In the chemical industry, the demand for air separation plant is stable. The high demand for air separation plant in modern coal chemical industry may drive the demand for large and super-large air separation plant. The 13000/22000-350 type air separation plant produced by DEAR air separation starts smoothly, all indicators reach the monitoring standard and begin to supply gas for customers. Relying on excellent products and high-quality service, DEAR air separation has received high praise from customers.

Scheme Introduction

Solution advantages

This unit adopts molecular sieve purification, pressurized turbine expansion machine to supply the unit with cooling capacity, and at the same time adopts the whole rectification hydrogen-free argon production process.

The choice of this process is safe, reliable and economic and reasonable. The main reasons are:

1. Good security

The whole set of equipment has low operating pressure, simple process, high level of equipment safety, long switching cycle of molecular sieve system, longer service life of switching valve and reducing potential safety hazard.

Main cooling (K1) extracts a large amount of liquid oxygen to ensure the possibility of the accumulation of hydrocarbon to the minimum.

2. High reliability

A large amount of surplus nitrogen can be sent to the water cooling tower, which reduces the load of the water chilling unit, reduces the energy consumption of air separation and reduces the use cost, thus further improving the reliability of the unit.

3. Convenient operation and maintenance, simple craft

Technical parameters

Product

Output N m & sup3;/h

Purity

Outlet cold box pressure Mpa

Temperature

Note

Oxygen gas

13000

≥99.6% O2

0.015

Normal temperature

External compression to 2.1Mpa

Liquid oxygen

300

≥99.6% O2

Inlet storage tank

Saturated

 

Nitrogen gas

10000

≤10ppmO2

0.008

Normal temperature

Precooling system

Nitrogen gas

12000

≤10ppmO2

0.008

Normal temperature

External compression to 1.0MPa

Liquid Argon

350

≤1.5ppmO2
≤4ppmN2

Inlet storage tank

Saturated

 

Note: measurement unit 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 big heating): ≥2 years

1.3 heating and cooling time of the unit :~ 36 hours

1.4 start-up time of the device (from the start of the expansion machine to the purity index of the oxygen product ):~ 40 hours

Supporting unit Unit
1. Centrifugal air compressor 1 Set
2. Air precooling system 1 Set
3. Purification system 1 Set
4. Booster turbine expansion unit 1 Set
5. Distillation column system 1 Set
6. Oxygen compression system 1 Set
7. Nitrogen compression system 1 Set
8. Liquid storage system 1 Set
9. Instrument control system 1 Set
10. Electronic control system 1 Set

 

DEAR Air Separation provides you Type 13000/22000-350 solution for medium-sized complete air separation plant in 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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