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Help CenterOxygen Gas Plant / Liquid Oxygen Generating Equipment For 99.7 % Purity O2 Production
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Certification:ISO 9001:2000
Oxygen Gas Plant / Liquid Oxygen Generating Equipment For 99.7 % Purity O2 Production
Quick Details:
Condition: new
Place of origin: China(mainland)
Brand name: UIG
Model number: KDO, KDON SERIES
Production capacity:50-2000 m3/hour
Power :60-1000 KW
Voltage:380v,400V,440V
Certification: ISO 9001:2000
Warranty:1 year
Life:20 years with proper maintenance
After-sales service provided: Engineers available to service plants overseas
Usage: Industrial and medical (oxygen, liquid oxygen, nitrogen, liquid nitrogen)
UIG Air separation plants are designed for a vast range of capacities and products summarized below: FOR OXYGEN 99.7 % AND NITROGEN 99.999%
Specifications:
|
LO2 flow |
100 L/h |
200 L/h |
300 L/h |
500 L/h |
800 L/h |
|
LO2 purity |
99.6% |
99.6% |
99.6% |
99.6% |
99.6% |
|
LOX pressure |
0.08 MPA |
0.08 MPA |
0.08 MPA |
0.08 MPA |
0.08 MPA |
|
LN2 flow |
(100 L/h ) |
(200 L/h ) |
(300 L/h ) |
(500 L/h ) |
(800 L/h ) |
|
LN2 purity |
99.999% |
99.999% |
99.999% |
99.999% |
99.999% |
|
LN2 pressure |
0.08 MPA |
0.08 MPA |
0.08 MPA |
0.08 MPA |
0.08 MPA |
|
Start-up time |
5-8 Hours |
5-8 Hours |
5-8 Hours |
5-8 Hours |
5-8 Hours |
|
Operating period |
≥2 Years |
≥2 Years |
≥2 Years |
≥2 Years |
≥2 Years |
Process:
Air→ Air compressor → Pre-cooler → Purifier →Rectification column and Turbo-expander →liquid oxygen tank or liquid nitrogen tank
Description:
STEP 1 - Air Compression by rotary air compressors.
In the first stage air is compressed at a low pressure of 5-7 bar (Gas plants) to 10 Bar (liquid plants). Air can be compressed at such low pressure by trouble free rotary compressor (Screw / Centrifugal Type advanced technology is employed in lieu of old bulky piston reciprocating compressor).
STEP 2 - Air Pre-Cooling
The second stage of the process uses a low pressure refrigerant for pre-cooling the processed air to temperature around 12 deg c before it enters the purifier.
STEP 3 - Purification of Air by Purifier
The air enters a purifier consisting of twin Molecular Sieve driers, working alternatively. The Molecular Sieves remove the Carbon dioxide & moisture from the process air before the air enters Air Separation Unit.
STEP 4 - Separation of Liquid Air into Oxygen and Nitrogen in Air Separation Column
Oil free, moisture free and Carbon Dioxide free air enters into low pressure plate fin type Heat exchanger where the air is cooled below sub zero temperatures by air expansion process in the turbo expander. Due to the excellent thermal efficiency we can achieve a temperature difference delta t as low as 2 deg c at the warm end of these exchangers.
The air has to be cooled to sub zero temperatures for liquefaction & the cryogenic refrigeration & the cooling is provided by highly efficient turbo expander, which cools the air to temperature almost below -165 to-170 deg C. Air gets liquefied when it enters the air separation column & gets separated into oxygen & nitrogen by the process of rectification.
Oxygen is available in gas or liquid form (as per requirement) at the outlet of the ASU at a purity of 99.6%. Nitrog
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