Nitrogen Storage Purpose

Nitrogen systems experience demand variations. Receivers buffer between supply and usage preventing pressure fluctuations. Provide reserve capacity during peak demand or generator maintenance. Enable smaller generation equipment through storage capacity.

Vessel Design

Horizontal or vertical pressure vessel with nitrogen inlet from generator or supply, outlet to distribution headers, pressure gauge, safety relief valve, isolation valves. Simple storage volume without internals. Sizing balances capital cost versus operational benefits.

Operating Pressure

Typical 100-300 psig matches nitrogen generation systems. Higher pressure for pipeline supply or specialized applications. Design pressure per ASME codes typically 25-50% above operating pressure. Pressure regulators downstream reduce to application requirements.

Storage Capacity

Volume sized for minutes to hours of nitrogen consumption depending on application criticality and supply reliability. Larger receivers reduce generator cycling or provide backup during supply interruptions. Calculation considers peak demand and acceptable pressure variation.

Material Selection

Carbon steel construction per ASME Section VIII suitable for nitrogen service. Clean dry nitrogen non-corrosive to carbon steel. External coating protects against atmospheric exposure. Materials prevent contamination of inert gas.

Nitrogen Applications

Tank blanketing preventing vapor space flammability. Pipeline purging before startup or maintenance. Reactor inerting preventing oxidation. Instrument air backup for critical controls. Pneumatic conveying in powder handling. Pressure testing equipment.

Pressure Control

Nitrogen generators or supply systems maintain receiver pressure within control band. Start-stop or modulation based on pressure setpoints. Proper control ensures adequate supply while minimizing equipment cycling.

System Integration

Receiver connects between nitrogen generation and distribution networks. Pressure regulators and flowmeters manage delivery to various applications. Backup liquid nitrogen vaporizers provide redundancy for critical services.

Purity Maintenance

Nitrogen purity typically 95-99.999% depending on generation technology and application requirements. Receiver maintains inlet purity if properly designed preventing air ingress or moisture contamination. Regular testing verifies gas quality.

Applications

Refineries for tank blanketing and purging, chemical plants for reactor inerting, food processing for packaging atmosphere, pharmaceutical manufacturing, electronics production, and any facility requiring reliable inert gas supply.

Performance Benefits

Provides surge capacity stabilizing system pressure. Reduces generator runtime through storage optimization. Enables peak demand handling. Backup capacity during generator maintenance. Simple proven gas storage technology.

Construction Standards

Design per ASME Section VIII Division 1 with U-stamp. Relief valve sized for maximum filling rate or thermal expansion. Foundation for vessel weight. Complete documentation with capacity calculations.

ERGIL nitrogen receiver vessels provide reliable compressed nitrogen storage ensuring steady inert gas supply in industrial process and safety applications.