Efficient Nitrogen Generator for Power Plants Using PSA Technology
Absstem provides advanced PSA nitrogen generators across India, engineered to meet the reliability and safety requirements of power plants. Our systems deliver a continuous, cost-effective supply of dry, inert nitrogen for equipment preservation, purging, and blanketing applications – helping power plants reduce corrosion, prevent unplanned failures, and ensure readiness of critical assets.
Why PSA Nitrogen Generators Are Essential for Power Plants
Power generation facilities demand high reliability, minimal downtime, and predictable maintenance. Absstem’s PSA nitrogen generators provide a dependable on-site nitrogen supply that eliminates reliance on cylinders and ensures continuous protection of critical equipment.
By displacing oxygen and moisture, PSA nitrogen systems help prevent corrosion, oxidation, and condensation – common causes of failures during startup after shutdowns or extended idle periods.
Key Applications
Blanketing
Nitrogen blanketing is used to preserve standby, strategic, and auxiliary gearboxes by eliminating oxygen and moisture, preventing rust formation on gears and bearings during long non-operating periods.
Purging
During shutdowns and maintenance, nitrogen purging removes moist air and residual oxygen from turbine casings, piping, and auxiliary systems to prevent internal corrosion.
Storage & Spare Equipment Preservation
Nitrogen is used for preserving spare gearboxes, rotors, pumps, valves, and critical components stored on-site or in warehouses for extended durations.
Challenges
Moisture & Condensation
Many chemicals in oil and gas operations are highly reactive with oxygen, making nitrogen blanketing essential.
Oxidation & Corrosion
Presence of oxygen causes oxidation of metal surfaces, bearings, gears, and lubricants.
Long Shutdown Periods
Extended outages and standby conditions increase the risk of equipment degradation before restart.
Technical Data
| Application | Recommended Nitrogen Purity (%) | Recommended Nitrogen Flow | Recommended Nitrogen Pressure (Barg) |
|---|---|---|---|
| Purging | 99 – 99.9% | Contact Us | Up to 6 |
| Blanketing | 99 – 99.9% | Contact Us | Up to 6 |
| Storage Preservation | 99 – 99.9% | Contact Us | Up to 6 |
Note: For preservation applications, dew point and dryness are more critical than ultra-high nitrogen purity.
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FAQs
Why is nitrogen used in power plants?
Nitrogen is used in power plants to eliminate oxygen and moisture from gearboxes, lubrication systems, and standby equipment, preventing corrosion, oxidation, and damage during idle, shutdown, or preservation periods.
Is PSA nitrogen suitable for gearbox preservation in power plants?
Yes. PSA nitrogen generators with proper drying are widely used for long-term gearbox preservation in power plants, as they provide a continuous supply of dry, inert nitrogen that prevents corrosion and bearing damage.
What nitrogen purity is required for power plant applications?
Most power plant preservation applications require nitrogen purity between 95% and 99.9%. For gearbox and equipment preservation, low dew point and dryness are more critical than ultra-high nitrogen purity.
Can one PSA nitrogen generator serve multiple power plant applications?
Yes. A single PSA nitrogen generator can supply nitrogen to multiple gearboxes, lubrication oil tanks, turbine preservation points, and other equipment across a power plant through a centralized distribution system.
How does on-site nitrogen generation reduce costs in power plants?
On-site nitrogen generation eliminates dependency on nitrogen cylinders, reduces logistics and handling costs, minimizes downtime risk, and lowers long-term operating expenses for power plants.
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