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Hangzhou Hangyang Cryogenic Liquefaction Equipment Co., Ltd
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High Purity Al steel Cryogenic Air Separation Plant for Liquid Nitrogen Oxygen Gas

Hangzhou Hangyang Cryogenic Liquefaction Equipment Co., Ltd
Hangzhou Hangyang Cryogenic Liquefaction Equipment Co., Ltd
City: Hangzhou
Province/State: Zhejiang
Country/Region: China
Tel: 86-0571-85869869
Contact Person:
Ms Lou Yizhen

High Purity Al steel Cryogenic Air Separation Plant for Liquid Nitrogen Oxygen Gas

Brand Name : HANGYANG
Model Number : KDON
Certification : CE/ASEM/GB
Place of Origin : China
MOQ : 1 SET
Price : according to actual requirement
Supply Ability : according to actual requirement
Delivery Time : according to actual requirement
Packaging Details : wooden case, nude packing, container
Product Name : KDON-350/900 Cryogenic Air Separation Plant
Servic : Engineers available to commissioning service overseas
Materia : Carbon steel, Al, stainless steel
Standard : CE/ASEM/GB
Pressure : 0.03(A)/0.01(A)
Purit : ≥99.6%O2 / 100ppm(O2)
Delivery Term : FOB Shanghai
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Cryogenic Air Separation Plant Nm3/h KDON-350/900 Process Gas Liquid Nitrogen Oxygen Gas


Specifications:


The standard products for the Cryogenic Air Separation Plant KDON – 50~500 series


MODEL

CONTENTS

KDON-280/600

KDON-300/3000

KDON-300/5000

KDON-200/500

KDON-350/900

GAN/LIN flow

Nm3/h

600

3000/300L/h

5000/240

500

900

GAN/LIN purity

ppm

≤100ppmO2

≤3ppmO2

≤10ppmO2

≤100ppmO2

≤100ppmO2

GOX/LOX flow

Nm3/h

280

300

300

200

350/30L/h

GOX/LOX

purity

ppm

99.6% O2

99.6% O2

99.6% O2

99.6%

99.6%

GAN/LIN pressure

MPa(G)

0.015

0.7

0.6

0.01

0.016

GOX/LOX

pressure

MPa(G)

0.03

0.025

0.6

0.034/0.015

0.024/0.08


Typical Product: KDON-350/900 Cryogenic Air Separation Plant


Output, purity and pressure



Flow (Nm3/h)

Purity

Pressure MPa(G)

GAN/LIN

900

≤100ppm(O2)

0.01(A)

GOX/LOX

350/12.5L/h

≥99.6%O2

0.03/0.16(A)


Description:


What is air and what is air separation?


Air is a mixture of gases, consisting primarily of nitrogen (78 %), oxygen (21 %) and the inert gas argon (0.9 %). The remaining 0.1 % is made up mostly of carbon dioxide and the inert gases neon, helium, krypton and xenon. Air can be separated into its components by means of distillation in special units. So-called air fractionating plants employ a thermal process known as cryogenic rectification to separate the individual components from one another in order to produce high-purity nitrogen, oxygen and argon in liquid and gaseous form.


Compression of air
Ambient air is drawn in, filtered and compressed to approx. 6 bar by a compressor.


Precooling of air
To separate air into its components, it must first be liquefied at an extremely low temperature. As a first step, the compressed air is precooled with chilled water.


Purification of air
Impurities such as water vapour and carbon dioxide are then removed from the air in a so-called molecular sieve.


Cooling of air
Because the gases which make up air only liquefy at very low temperatures, the purified air in the main heat exchanger is cooled to approx. -175°C. The cooling is achieved by means of internal heat exchange, in which the flows of cold gas generated during the process cool the compressed air. Rapid reduction of the pressure then causes the compressed air to cool further, whereby it undergoes partial liquefaction. Now the air is ready for the separating column, where the actual separation takes place.


Separation of air
Separation of air into pure oxygen and pure nitrogen is performed in two columns, the medium-pressure and the low-pressure columns. The difference in boiling point of the constituents is exploited for the separation process. Oxygen becomes a liquid at -183°C and nitrogen at -196°C. The continuous evaporation and condensation brought about by the intense exchange of matter and heat between the rising steam and the descending liquid produces pure nitrogen at the top of the low-pressure column and pure oxygen at the bottom. Argon is separated in additional columns and involves some extra steps in the process.


Withdrawal and storage
Gaseous oxygen and nitrogen are fed into pipelines for transport to users, e.g. steelworks. In liquid form, oxygen, nitrogen and argon are stored in tanks and transported to customers by road tankers.



Applications:

  • Pharmaceutical and biotechnology
  • Microorganism
  • Protective gas
  • Process Gas
  • N2 Converter Rental
  • Combustion Gas

Competitive Advantage:

  • The proposed air separation plant is designed for long, stable and reliable running, economization of energy, convenient operation and maintenance and the up-to-date international advanced air separation technology is incorporated.
  • The process employed by this air separation plant is an advanced and technologically experienced process to ensure reliable running, convenience operation, safety and low consumption.
  • Self-cleaning type air filter is wide application: it can be applied in dusty and wet regions.
  • Expansion turbine: the advanced design and processing software of NREC, USA is used for design of the performance and flow passage and for processing of the flow passages to integrate CAD—CAPP—CAM.


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