Oxygen Plant, Air Compressor, Cooling Towers, Water Softeners And Water Pump, Skid MSB, Filling Manifolds, Air Separation Unit, Expansion Engine

Oxygen Plant

We are one of the reputed manufacturers of oxygen plant that has gained wide appreciation for operational fluency and longer service life. Air is expanded and liquefied by expansion and cooling in an expansion engine and expansion valves in medium pressure (40 Kgs/cm2 to 50 Kgs/cm2).

The expanded and cooled air from expansion valves & expansion engine enter the lower part of the distillation column. The air is mostly in the form of liquid.
The oxygen and nitrogen have different boiling points. Since nitrogen is more volatile, it is drawn out of the distillation column in vapor form and oxygen is collected in condenser. The liquid oxygen pumped at 150 Kgs/cm2 and filled in cylinders.

Specifics:

1. Oxygen Gas Plant - OPG	Capacity: - 30 m3 /hr to 600 m3/hr. Model: - OPG – 30 to OPG – 600 Purity: - 99.6 % Pressure: - 150 Bar to 250 Bar (optional)
2. Oxygen Liquid Plant – OPL	Capacity: - 30 m3 /hr to 600 m3/hr. Model: - OPL – 30 to OPL – 600 Purity: - 99.6 % Pressure: - 0.6 Kgs / Cm2.
3. Oxygen / Nitrogen Plant - OPG- LNO	Oxygen Gas Capacity:- 30 m3 /hr to 600 m3/hr – Gas Oxygen Purity :- a) 99.6 % Nitrogen Purity :- a) 99.6 % Pressure:- Oxygen - 150 Bar Nitrogen Liquid – 0.6 Bar Oxygen Liquid - 0.6 Bar

Our range of oxygen plant is given below:

Air Compressor

The air compressor is supplied 4 stroke type along with suitable Motors, Electrical Pannel , Motor pulley, Belts and Inter Stage coolers . The air compressed in this compressor to 40 to 55 kgs/cm2 depending the plant condition and requirements . Air compressor should be maintained Properly as per manufactures manual to obtain the maximum output and efficiency.

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Cooling Towers , Water Softeners And Water Pump

These are supplied as per compressor manufacturers instructions and to be maintained properly to achieve minimum shutdown and trouble - free operation of the compressor.

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Cooling Towers , Water Softeners And Water Pump

Skid & MSB

After Cooler :
This is cylindrical tank fitted with air coils. The air is cooled after passing from compressor and cooled by circulating water.

Cascade Cooler:
This is elliptical tank fitted with air coils. These coils are half submerged in water, Dry Nitrogen bubbled through this water to become wet gas. As water vaporizes water gets cooled. The air inside the pipe will get cooled.

Moisture Separators:

Two numbers of moisture separators provided One after the After Cooler and second one after Chilling Tank .The moisture condensed as water will be separated and drained once in an hour.

Chilling Tank and Chilling Unit:

Chilling tank is cylindrical tank fitted with air coil and refrigeration coils. The water is cooled by chilling unit and refrigeration coils. In this unit air is further cooled.

Oil Adsorber:

Oil adsorber is packed with activated Alumina balls . Here the oil Vapour carried over by compressor will be removed. It is desirable to drain moisture from the bottom of the oil adsorber at regular intervals and also change the Alumina after a specified period.

Molecular Seive Driers:

It is twin vessel Driers both are filled with Molecular Sieves. As the process air passes through molecular sieves , the molecular sieves absorb water Vapour and carbon – di- oxide(Co2) from the air and make the air dry. After about 10 hours the molecular sieves become saturated and it will have to be regenerated by blowing hot air or Nitrogen . Once the hot gas is blown through the saturated molecular sieves the CO2 and water Vapour discharged and the drier is ready to use again.

Dust filter:

Dry air is filtered in this unit by a special material and prevents any dust particles entering the Air Separation Unit.

Defrost Heater:

Despite purification and filtration of air some water Vapour and CO2 will get past the Molecular sieve Driers and enter the Air Separation Unit and may be deposited in the tubes of Heat Exchangers, Valves and L.O. Pump Filters. To remove this deposit, defrosting of the plant is carried out. For this dry air after heating in defrost heater passed inside the Air Separation Unit and L.O. Pump and deposits will be melted and removed.

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Filling Manifolds

This are supplied for filling the high pressure gas oxygen into the cylinders at a pressure of 165 kgs/cm2 and provided with safety valves, Isolating valves, Cylinder filling valves Pig tails with cylinder connection and Pressure gauges.

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Air Separation Unit

The process adopted to produce Oxygen and Nitrogen is called Liquification and fractional distillation of air inside the Air separation Unit.

Air is expanded and liquefied in this process by expansion and cooling in an Expansion Engine and Expansion valves in medium pressure.(40 kgs/cm2 to 50 kgs/cm2.). The expanded and cooled air from expansion engine and expansion valves will enter the lower part of the distillation column. The air as mostly in Liquid state. The Oxygen and Nitrogen have different boiling points. Since Nitrogen is more volatile is drawn out of the distillation column in Vapour form and Oxygen is less volatile will be collected in condenser. The liquid Oxygen pumped at 150kgs/cm2 and filled in cylinders.

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Expansion Engine

This is a vertical single acting reciprocating type Engine. This produces the cold required for operating the plant. The high-pressure air enters through inlet valve at the start of downward stroke of the piston and expands. During upward stroke outlet valve opens and the expanded air pushed out side. The Electric Motor is used to start the engine initially, thereafter the engine is moved by the air pressure itself and the air gets cooled. This cooling is more than the expansion valves. The temperature drops in this engine in 50°C to 70°C depending on air pressure, temperature and inlet cam position.

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Skid & Battery

The process adopted to produce Oxygen and Nitrogen is called Liquification and fractional distillation of air inside the Air separation Unit.

Air is expanded and liquefied in this process by expansion and cooling in an Expansion Engine and Expansion valves in medium pressure.(40 kgs/cm2 to 50 kgs/cm2.). The expanded and cooled air from expansion engine and expansion valves will enter the lower part of the distillation column . The air as mostly in Liquid state. The Oxygen and Nitrogen have different boiling points. Since Nitrogen is more volatile is drawn out of the distillation column in Vapour form and Oxygen is less volatile will be collected in condenser. The liquid Oxygen pumped at 150kgs/cm2 and filled in cylinders.

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Expansion Engine

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Cryogenic Plant-Expansion Engine

This is a vertical single acting reciprocating type Engine. This produces the cold required for operating the plant. The high pressure air enters through inlet valve at the start of downward stroke of the piston and expands .During upward stroke outlet valve opens and the expanded air pushed out side. The Electric Motor is used to start the engine initially, thereafter the engine is moved by the air pressure itself and the air gets cooled. This cooling is more than the expansion valves. The temperature drops in this engine in 50°C to 70°C depending on air pressure, temperature and inlet cam position.

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