Feb. 22, 2018
TopstoriesSecurity

Ellerdonk Gravel Plant Secures Production Processes with Abus

Gravel and sand play a role in many parts of everyday life: They are used in construction, in the manufacturing of glass and porcelain, and even as an additive in toothpaste, cleaning materials and cosmetics. But where does this valuable raw material come from? Processing facilities like the Ellerdonk gravel plant in Rees source and unearth stones from up to 30 metres below the surface and process them into industrially usable gravel. The Ellerdonk gravel plant relies on intelligently positioned Abus IP cameras which quickly detect disturbances and ensure consistently high product quality.

In the first step of gravel production, biological refuse like branches and mussels are removed from the stone. This is essential for the quality of the finished product. But despite being cleaned in special sieving and jigging machines, there is always a possibility that foreign matter is between the stones. While moving the stones, the conveyor belts are monitored very closely because high product quality cannot be guaranteed if contamination is not detected promptly.
This is where the Abus video surveillance solution takes effect: “Our machines stop automatically as soon as they encounter coarse contaminants“ explains Udo Wehning, manager of the Ellerdonk gravel plant. “However, it is considerably faster to detect refuse using the camera image. Visual contact is the most important measuring device“ he adds. A smooth production flow is ensured by a total of 13 Abus IP tube outdoor ca­meras at critical production points, both indoors and outdoors. The cameras, including those hanging in underpasses and dark places in the machine halls, are able to produce sharp images in full HD quality despite the difficult lighting conditions thanks to the night vision function.

Video Surveillance Prevents Breakdowns
In addition to quality monitoring, the cameras also quickly detect disturbances because spills can occur all too quickly in places where multiple conveyor belts merge. “Action must be taken immediately and production is stopped when spilled gravel clogs machine inputs or even works its way into the gears,“ says Wehning.

Live transmission to an Abus 32-channel video recorder and two monitors in both the manager’s office and on the loading dock allows incidents to be detected in real-time. The surveillance monitor simultaneously displays 16 image sections, all of which portray the faithfully rendered detail and colour of all re­levant locations.
In addition to the production machines, the gravel plant also includes storage silos and a shipping harbour on the Rhine river. The site stretches across a large area which makes it difficult to maintain an overview. However, two Abus PTZ outdoor camera domes, mounted at the highest points of the gravel plant, allow the surveillance of all relevant locations. Also, they enable the warning of employees over the loudspeaker system in case of danger. The camera domes’ panning and zoom functions allow operations to be monitored in real-time. Additionally, the night vision function and tremendously robust housing enable video surveillance in challenging light and weather conditions.

Early Fire Detection
An overview of the entire gravel plant is also be­neficial for early fire detection. Gravel plants are generally at a higher risk for fire as the majority of the conveyor belts and machine parts are made out of rubber, a highly combustible material. The machines also receive regular maintenance where welding machines are used. Just a few sparks are enough to set a plant on fire. This danger can be countered with the help of video surveillance. Wehning stated: “We can best respond to fires when they are detected early. The Abus cameras help us to do this.“
The video surveillance solution by Abus was installed over four weeks. Wehning turned to Peter Ising from the Phonepoint company for help with this, Wehning turned to Peter Ising from the company Phonepoint, a service provider of security systems and telecommunications in the region. The positioning of the tube cameras was determined by the plant manager himself as he knows his plant and the locations that should be under surveillance very well. He was extremely satisfied with the quick and professional installation: “The installation was hassle-free,“ says Wehning. “As plant manager, I hardly noticed it. That speaks volumes for the logistics of the installation.“

Vibrations create challenges
The biggest challenge during the installation of the system was the powerful vibrations caused by the heavy machinery in the gravel plant. Such vibrations usually make maintaining a constant camera image difficult. By relocating several video cameras and individually enhancing the camera mounts with additional rubber parts and steel joints, a good image result was achieved after some initial adjustments.
The best gravel quality and the highest level of safety at work is now guaranteed by stable video images in real time and full HD. Udo Wehning had this to say: “After the challenges at the beginning, which are normal for a plant of this size, we have seen results and have ended up with footage that we are extremely pleased with.“

Contact

ABUS Security-Center GmbH & Co. KG
Linker Kreuthweg 5
86444 Affing
Germany
Phone: +49 8207 95990 0

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