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Trending Products Portable Continuous Flow Oxygen Machines - Cryogenic type high efficient high purity nitrogen air separation plant liquid and oxygen generator – OuRui

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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of Oxygen Ventilator Machine, Mini Nitrogen Plant, Liquid Oxygen Devices, We are sincerely looking forward to cooperate with customers all over the world. We believe we can satisfy with you. We also warmly welcome customers to visit our factory and purchase our products.
Trending Products Portable Continuous Flow Oxygen Machines - Cryogenic type high efficient high purity nitrogen air separation plant liquid and oxygen generator – 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

O2 output                             350m3/h±5%

O2 purity                             ≥99.6%O2

O2 pressure                           ~0.034MPa(G)

N2 output                             800m3/h±5%

N2 purity                             ≤10ppmO2

N2 pressure                           ~0.012 MPa(G)

Product output status(at 0℃,101.325Kpa)

Start pressure                        0.65MPa(G)

Continuous operation period between two defrosting times   12months

Start time                            ~24 Hours

Specific power consumption            ~0.64kWh/mO2(not incl. O2 compressor)

Process flow

Raw air comes from air, goes through air filter for removal of dust andother mechanical particle and  enters non-lub air compressor to be compressed by two stage compressor to approx.  0.65MPa(g).It goes through cooler and enters precooling unit to be cooled to 5~10℃. Then it goes to switch-over MS purifier for removal of moisture, CO2, carbon hydrogen.  Purifier consists of two molecular sieve filled vessels. One is in use while anther is under regeneration by waste nitrogen from the cold box and through heater heating.

After purified, small part of it is used as bearing gas for turbine expander, other enters cold box to be cooled by reflux(pure oxygen, pure nitrogen and waste nitrogen) in main heat exchanger. Part of air is abstracted from the middle part of main heat exchanger and goes to expansion turbine for production of cold. Most of expanded air goes through subcooler which is cooled by oxygen from upper column to be delivered to upper column. Small part of it goes through bypass to waste nitrogen pipe directly and is reheated to go out of the cold box. The other part of air continues to be cooled to near liquid air tempt to lower column.

In lower column air,air is separated and liquified as liquid nitrogen and liquid air. Part of liquid nitrogen s abstracted from the top of the lower column. Liquid air after subcooled and throttled is delivered to the middle part of upper column as reflux.

Product oxygen is abstracted from the lower part of upper column and reheated by expanded air subcooler, main heat exchange. Then it is delivered out of column. Waste nitrogen is abstracted from the upper part of upper column and is reheated in subcooler and main heat exchanger to go out of column. Part of it is used as regeneration gas for MS purifier. Pure nitrogen is abstracted from the top of the upper column and is reheated in liquid air , liquid nitrogen subcooler and main heat exchanger to be delivered out of the column.

Oxygen out of the distillation column is compressed to customer.

Construction in Progress

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Trending Products Portable Continuous Flow Oxygen Machines - Cryogenic type high efficient high purity nitrogen air separation plant liquid and  oxygen generator – OuRui detail pictures


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With state-of-the-art technologies and facilities, strict good quality regulate, reasonable cost, exceptional assistance and close co-operation with prospects, we're devoted to supplying the top benefit for our customers for Trending Products Portable Continuous Flow Oxygen Machines - Cryogenic type high efficient high purity nitrogen air separation plant liquid and oxygen generator – OuRui , The product will supply to all over the world, such as: Johannesburg, Pretoria, Nicaragua, we have all day online sales to make sure the pre-sale and after-sale service in time. With all these supports, we can serve every customer with quality product and timely shipping with highly responsibility. Being a young growing company, we might not the best, but we are trying our best to be your good partner.
  • The goods are very perfect and the company sales manager is warmful, we will come to this company to purchase next time.
    5 Stars By Bella from Brazil - 2018.11.06 10:04
    The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
    5 Stars By Margaret from Sao Paulo - 2018.09.23 17:37

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