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  • Oil storage company relies on FLIR to keep 160_hectare site free from fires
    édité le 12/11/2020


Oil storage company relies on FLIR to keep 160_hectare site free from fires
The storage of hydrocarbons, such as crude oil, naphtha and diesel, always implies the risk of a fire or explosion. However small this risk may be, French oil pipeline and storage company Société du Pipeline Sud Européen (SPSE) decided not to take any chances and implemented an innovative fire detection system on its tank storage site in the south of France. Monitoring a total area of 160 hectares, the detection system uses field-proven thermal cameras from FLIR to detect fires in the earliest stage.

SPSE is the owner and operator of the South European Pipeline, a crude oil pipeline system which runs from Fos-sur-Mer in France to Karlsruhe in Germany. The company also runs a maritime terminal in Fos-sur-Mer which is made up of 40 tanks having a total capacity of 2.26 million cubic meters.

FIRE DETECTION FOR CRITICAL SITE

SPSE says that its constant objective is to operate safely, with respect for the environment.
And they have every reason to do this, because hydrocarbons are dangerous substances, highly flammable, and can give off vapor which can easily be set on fire when a source of ignition is nearby. But storage of petrol and other hydrocarbons is also covered by legislation and requires companies like SPSE to have reliable fire prevention measures in place.

“The SPSE site is close to the Fos-sur-Mer harbor, and in the middle of a large industrial site,” says Thibaud Berardi, project manager at SPSE. “Add the fact that we store dangerous hydrocarbons on this site, and it’s safe to say that a high-performance fire detection system is an absolute necessity.”

COST-EFFECTIVE DETECTION SOLUTION

Before opting for their thermal-based fire detection system, SPSE first explored other options. They looked into the possibility of deploying a linear heat detection system on the tank roofs, which is able to detect a fire anywhere along the length of the cable.

“We experimented with this linear cable system on one of the forty tanks on our site,” says Thibaud Berardi. “Although this type of detection worked fine, we quickly realized that such a system would be way too expensive. We would have had to install a cable on each of the forty tanks in order to be effective. Also, linear cable detection implies that once a fire occurs, the detection cable is destroyed and you need to replace it. From a cost standpoint, this would not have been a durable solution.”

THERMAL FIRE DETECTION

In 2019, SPSE was contacted by Exavision, a French distributor and manufacturer of high-end vision and sensor-based systems for industrial, defense and security applications. Among many other solutions, Exavision is the manufacturer of NEMOSYS Fire, a fire detection camera system for use in pipeline monitoring, that makes use of FLIR thermal cameras.

NEMOSYS Fire is a pan-tilt camera system that is able to detect the outbreak of fire in an early stage by continuously scanning a vast area in 360° mode. The system uses FLIR A310 cameras to measure the temperature of each pixel in the camera’s field of view and generates an alert when a certain temperature threshold is exceeded.

“We organized a demo of the NEMOSYS system on the Fos-sur-Mer site, and we were immediately able to convince SPSE of the system’s performance,” says Cedric Perez, technical manager at Exavision. “The fact that FLIR is a world leader in thermal imaging and that we have been integrating FLIR cameras into our vision systems for many years ultimately reassured the people at SPSE to go for our thermal system.”

3 CAMERA SYSTEMS FOR 160 HECTARES

Three NEMOSYS Fire installations, installed on 30-meter poles, now scan the entire 160-hectare site on a 24/7 basis. Two systems cover 13 tanks and one covers 14 tanks. The entire installation is set up to make sure that each tank roof on the site is automatically scanned every three minutes during 12 seconds. Each NEMOSYS system uses two FLIR A310 cameras: one A310 camera uses a 25° lens to monitor tank roofs at a long range (up to 300 meters), one uses a 90° lens to scan for fires near the camera pole.

SPSE personnel can now monitor the entire site from one location via Exavision’s proprietary VIGISENS monitoring software, which was developed with the help of FLIR’s Atlas software development toolkit. When a fire occurs, the VIGISENS software clearly shows the hotspots on the thermal video streams and immediately alerts personnel by visual and sound alarms in the software, but also by phone or text message.

In addition, VIGISENS constantly registers temperature measurements and recognizes trends, which allows SPSE to predict when a fire will occur. In case of an anomalous temperature increase between consecutive PTZ cycles, SPSE personnel will be alerted, so they can react appropriately and prevent worse from happening.

“Instead of installing detection cables on each tank, we now have a cost-effective fire detection system that allows us to scan the entire area with just three cameras,” says Thibaud Berardi.

The SPSE team can monitor the entire site in one overview and from one location. They can select the regions of interest on the roof tanks they need to monitor, and they are immediately notified in case of a temperature increase in that region of interest. SPSE can also control the camera movements, so they can use them to better manage incidents.

“At first, we were a bit worried about the long distances our fire detection system needed to cover,” says Thibaud Berardi. “Also, being close to the sea, we often need to cope with strong winds, which might impact the camera performance. Luckily, none of these concerns were necessary. The system from FLIR and Exavision has proven to be very robust and effective, even in harsh environmental conditions.”

About FLIR

FLIR Systems, Inc. designs, develops, manufactures, markets, and distributes technologies that enhance perception and awareness. We bring innovative sensing solutions into daily life through our thermal imaging, visible-light imaging, video analytics, measurement and diagnostic, and advanced threat detection systems.

FLIR offers a diversified portfolio that serves a number of applications in government & defense, industrial, and commercial markets. Our products help first responders and military personnel protect and save lives, promote efficiency within the trades, and innovate consumer-facing technologies. FLIR strives to strengthen public safety and well-being, increase energy and time efficiency, and contribute to healthy and intelligent communities.

https://www.flir.fr/


Origine : Communiqué FLIR



 
 
 
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