Hydroshield for Flare System Maintenance and Inspection

The safety of the people and equipment is of primary concern.

The Hydroshield system is a proven method of making areas within and around a flare structure accessible for maintenance, inspection, and other activities.

For every location and every project, a dedicated system is engineered. The system is fueled by a water bag containing enough water for the required emergency situation. High-pressure pumps distribute the water to the nozzles close to the flare tip.

Watch how we prepare and execute

Watch how we prepare and execute

Water storage and High Pressure Water Pump + Redundant (Back Up) Pump

Purpose of hydroshield and operational conditions 

A hydroshield is a water curtain between an ignition source and an object and/or a person to protect against thermal radiation.  In this case, it is between a flare and a work area. The combustion of a gas/liquid mixture will give certain radiation to its surroundings.

In general, there are two operational conditions for which the radiation (kW/m2) needs to be determined:

  • Normal process condition. This is when the plant is under normal process conditions; all processes are under control. In principle, this is a continuous process.
  • Blow out / heavy flaring condition. This is when the process will be stopped, and all process materials in the system will be purged to the flare and will be flared. In principle, this is a temporary process that is unplanned.

Basics 

Typical project specifications for the use of the Hydroshield system: 

  • In or close to the flare structure 
  • Heat protection is required for emergency situations 
  • Maintenance and inspection projects 
  • Project duration of more than two weeks

System 

A team of two operators operates the system. It includes the following components: 

  • Water bag 
  • Two high pressure pumps for redundancy 
  • Two generators 
  • One water pipe or hose 
  • Nozzle set 
  • Several manifolds The system is operated by a team of two operators.

Engineering 

The engineering includes the following 

  • Study of radiation 
  • Work methods 
  • Installation method 
  • Safety engineering 
  • Contingency planning

See how we got to work

Hydroshield for flare system maintenance
Hydroshield for flare system maintenance
Hydroshield for flare system maintenance
Hydroshield for flare system maintenance
Hydroshield for flare system maintenance

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Bram van Oirschot

Bram van Oirschot

Commercial Director