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OEM manufacturer Night Time Oxygen Machine - Cryogenic medium size liquid oxygen gas plant Liquid Nitrogen Plant – OuRui

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Generally customer-oriented, and it's our ultimate goal for being not only the most trusted, trustable and honest provider, but also the partner for our customers for Oxygen Saturation Machine Portable, Portovaya Lng Plant, Air Separation Plant, Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.
OEM manufacturer Night Time Oxygen Machine - Cryogenic medium size liquid oxygen gas plant Liquid Nitrogen Plant – OuRui Detail:

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Product Advantages

1.Simple installation and maintenance thanks to modular design and construction.

2.Fully automated system for simple and reliable operation.

3.Guaranteed availability of high-purity industrial gases.

4.Guaranteed by the availability of product in liquid phase to be stored for use during any maintenance operations.

5.Low energy consumption.

6.Short time delivery.

Application Fields

Oxygen, nitrogen, argon and other rare gas produced by air separation unit are widely used in steel, chemical

industry,refinery,glass, rubber, electronics, healthcare, food, metals, power generation and other industries.

Product Specification

  1. Design principle of this plant is based on the different boiling point of each gas in the air. Air is compressed, precooled and got removal of H2O and CO2, then to be cooled in the main heat exchanger until it is liquified. After rectification, production oxygen and nitrogen can be collected.
  2. This plant is of MS purification of air with boosting turbine expander process. It is a common air separation plant , which adopts complete stuff filling and rectification for argon making.
  3. Raw air goes to air filter for removal of dust and mechanical impurity and enters air turbine compressor where air is compressed to 0.59MPaA. Then it goes into air precooling system, where air is cooled to 17 ℃. After that, it flows to 2 molecular sieve adsorbing tank, which are running in turn, to be got removal of H2O, CO2 and C2H2.
    1. After purified, air mixes with expanding reheated air. Then it is compressed by middle pressure compressor to be divided into2 streams. One part goes to main heat exchanger to be cooled to -260K, and sucked from the middle part of main heat exchanger to enter expansion turbine. Expanded air returns to main heat exchanger to be reheated, after that, it flows to air boosting compressor. The other part of air is boosted by high temperature expander, after cooling, it flows to the low temperature boosting expander. Then it goes to cold box to be cooled to ~170K. Part of it would still be cooled, and flows to bottom of lower column via heat exchanger. And other air is sucked to low tempt. expander. After expanded, it is divided into 2 parts. One part goes to the bottom of lower column for rectification, the rest returns to main heat exchanger, then it flows to air booster after being reheated.
    2. After primary rectification in lower column, liquid air and pure liquid nitrogen can be collected in lower column. Waste liquid nitrogen, liquid air and pure liquid nitrogen flows to upper column via liquid air and liquid nitrogen cooler. It is rectified in upper column again, after that, liquid oxygen of 99.6% purity can be collected at the bottom of upper column, and is delivered out of the cold box as production.
    3. Part of argon fraction in upper column is sucked to crude argon column. There are 2 parts of crude argon column. The reflux of second part is delivered to the top of first one via liquid pump as reflux. It is rectified in crude argon column to get 98.5% Ar. 2ppm O2 crude argon. Then it is delivered to the middle of pure argon column via evaporator. After rectification in pure argon column, (99.999%Ar) liquid argon can be collected at the bottom of pure argon column.
    4. Waste nitrogen from top of upper column flows out of the cold box to purifier as regenerative air, rest goes to cooling tower.
    5. Nitrogen from top of assistant column of upper column flows out of cold box as production via cooler and main heat exchanger. If no need nitrogen, then it could be delivered to water cooling tower. For cold capacity of water cooling tower is not sufficient, a chiller needs to be installed.

Process flow

1:Air Compressor(piston or oil-free)

2:Air Refrigeration Unit

3.Air purification system

4:Air tank

5:Water separat

6:Molecular sieve purifier(PLC auto)

7:Precision filter

8:Rectification column

9:Booster turbo-expander

10:Oxygen Purity Analyser

Construction in Progress

Workshop

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Product detail pictures:

OEM manufacturer Night Time Oxygen Machine - Cryogenic medium size liquid oxygen gas plant Liquid  Nitrogen Plant – OuRui detail pictures


Related Product Guide:

Our company aims to operating faithfully, serving to all of our customers , and working in new technology and new machine constantly for OEM manufacturer Night Time Oxygen Machine - Cryogenic medium size liquid oxygen gas plant Liquid Nitrogen Plant – OuRui , The product will supply to all over the world, such as: Rwanda, Hongkong, St. Petersburg, Till now, the items list has been updated regularly and attracted clients from around the globe. Comprehensive facts is often obtained in our web-site and you'll be served with premium quality consultant service by our after-sale group. They are likely to help you get thorough acknowledge about our goods and make a satisfied negotiation. Company go to to our factory in Brazil is also welcome at any time. Hope to obtain your inquiries for any pleased co-operation.
  • High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!
    5 Stars By Marguerite from Palestine - 2018.06.21 17:11
    Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
    5 Stars By Mona from Peru - 2018.07.12 12:19

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