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Pure Nitrogen Plant

We are a company of international repute for manufacturing and supplying fully automatic, advanced and pure nitrogen plants. We are technologically associated with ING. L.&A. BOSCHI of Italy to acquire the latest technology along with designing expertise. The machine generates nitrogen with purity upto 99.99%, which is perfect for different medical and industrial applications. With the capacity ranging from 20 m3/hour to1000 m3/hour, the systems make sure smooth performance for years without wear and tear. With the passage of time, we have got some certifications as well for delivering high quality machines.

The pure nitrogen plants are supplied to customers located all over the world. Apart from the fully automatic functioning and advanced features, the machines consume low power and perform exceptionally well. The annual maintenance of the machines is also very low. They require minimal area to set up and run. Some salient features of the plants include high performance, sturdy design, advanced components and many more.

l. Air Compressor:
Rotary air compressor screw type can be used for smaller size plants upto 500m3/hr & 1000m3/hr.
Upto 40000m3/hr. Centrifugal compressor can be used for higher size plants.


2. Air pre cooling system :
Air separation plants adopts chilling system in all air pre-Cooling systems.


3. Air purification system :
This system beds of molecular sieve are used in the air purification system ,i
t remove the Co2 & moisture for the process air at low- Pressure.



4. Air separation column:
(Air separation column-cold box) consists of outer steel casing,Main heat exchanger,liquifier,Bottom column,Top column,Condensor, Sub-cooler,Liquid oxygen & nitrogen filter.Cooling pipe line,insulation material,Digital electronic temperature indicator & scanner,PT 100 sensor, DP gauge monometer, Expansion valve with long stem type with pointer & index & wheel -1 set.




5.Expander:
Expander is used for giving cooling to the air for the liqefication process and braked by booster, so as to reduce the expanded air volume,stablize the upper columns working condition and reduce power consumption. The turbine expanders have complete trouble free working and long life and reliability.


6. Control Pannel :
All the plants can be configured for automatic operation through a pc this will use a out switching valves of German or Japanese And motorized cryogenic valves on cold box.

Process Description

1. Air Compressor-Low Pressure
Air is compressed at a very pressure of 5-7 bar (kg/cm2). 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 compressor)

2. Pre Cooling System

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.

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 processed air before the air enters Air Separation Unit.

4. Cryogenic Cooling of Air by Turbo (Expander)

The air has to be cooled to sub zero temperatures for liquification & 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

5. Separation If Liquid Air Into Oxygen and Nitrogen by Air Separation Column

Oil free, moisture free and Carbon Dioxide free air enters into low pressure fin type HEAT EXCHANGER where the air is cooled below sub zero temperatures by air expansion process in the turbo expander.

Air gets liquefied when it enters the air separation column & gets separated into oxygen & nitrogen by the process of rectification.

Nitrogen gas is available at the outlet at purity of 99.99% upto 3ppm (lppm in some models)

Liquid nitrogen is also available alongwith the pure nitrogen gas products.


Technical Specifications
Name of the Models UB - 20 UB - 30 UB - 50 UB - 80 UB - 100 UB - 150 UB - 200 UB - 300 UB - 400 UB - 500 UB -1000
Capacities (Cubicmeter/hr) 20 30 50 80 100 150 200 300 400 500 1000
No. of Cylinders in a Day (Oxygen/Nitrogen) 80 100 200 300 400 600 800 1200 1600 2000 4000


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