Project Overview

Project

Low Temperature Ammonia Storage Tank – Flare System

Client

Duslo, a.s.

Location

Šaľa, Slovak Republic

Plant Type

Chemical Plant – Ammonia Storage & Handling

Project Nature

Design, supply and integration of a packaged flare system

The project involved the design and supply of a fully integrated flare system dedicated to a low-temperature ammonia storage facility. The solution was engineered to safely manage ammonia vapors under normal and emergency conditions, ensuring full compliance with international safety standards while minimizing site installation activities through a modular, pre-assembled design.

Scope of Supply

Flare System & Mechanical Equipment

  • Design and supply of a complete flare system for low-temperature ammonia service
  • 24 m flare stack with integrated molecular seal and guy-wired structure
  • Vertical knockout drum designed for low-temperature operation (ASTM A333)
  • Process piping, valves and accessories within skid battery limits

  • High-energy flare ignition system with explosion-proof (Ex-d) ignition control panel
  • Pilot burners with flame detection and optical flare monitoring
  • Temperature, pressure and level instrumentation with 4–20 mA signals
  • Electrical and instrumentation systems compliant with IEC 60079

  • Process, mechanical and electrical engineering
  • P&IDs, GA drawings, datasheets and technical documentation
  • Factory Acceptance Tests (FAT) and quality inspections
  • Certification in accordance with ASME, API, IEC and EN/DIN standards

Enermove Challenge

  • Designing a flare system capable of operating at low temperatures (down to –33 °C)
  • Ensuring safe operation within a hazardous area (Zone 2, IIA, T3)
  • Integrating mechanical, process and electrical systems into a compact packaged solution
  • Reducing on-site installation time and interface risks within an operating chemical plant
  • Meeting stringent international safety, mechanical and thermal radiation requirements

Enermove Performance

  • Successful delivery of a fully engineered and factory-tested flare package
  • High reliability and safety in low-temperature ammonia service
  • Compliance with ASME, API RP 521, IEC and EN standards
  • Reduced site works and commissioning time thanks to modular, pre-assembled design
  • Enhanced operational safety and long-term asset protection for ammonia storage facilities
  • Optimized layout for ease of operation and maintenance

Key Facts & Numbers

Application

Low Temperature Ammonia Storage – Flare System

Solution Type

Packaged Flare System (Modular, Skid-Mounted)

Process Fluid

Ammonia (NH₃)

Design Temperature

–33 °C

Design Pressure

1 barg

Flare Stack Height

~24 m

Max Ammonia Flow Rate

up to 3,600 kg/h

Hazardous Area Classification

Zone 2 – IIA – T3

Systems Integrated

Flare Stack, Knockout Drum, Ignition System, Instrumentation & Control

Standards

ASME, API RP 521, IEC 60079, EN/DIN

Execution Approach

Factory-assembled, tested and delivered as a complete packaged unit

Key Technology Vendors

We are always committed to working with leading technology vendors to deliver reliable and high-quality solutions.

For the Duslo Low Temperature Ammonia Storage Flare project, Enermove relied on proven, internationally recognized technology partners to ensure safety, reliability and long-term performance of the system.

Siemens

Leading European and international manufacturers

For mechanical equipment and pressure vessels compliant with ASME and EN standards
Tesi

Certified suppliers of explosion-proof instrumentation and ignition systems

Compliant with IEC 60079
Tecta

Specialized vendors for flare and combustion technologies

Ensuring reliable ignition and controlled thermal radiation

The combination of top-tier OEM technologies and Enermove’s engineering, integration and packaging capabilities resulted in a robust, safe and future-ready flare solution, fully aligned with Duslo’s operational and safety requirements.

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