Spark & Flame Detection

Spark Detection Overview:

Rapid response spark detection and fire extinguishing systems The ATEXON spark detection and fire extinguishing system by IEP Technologies is designed to reduce the risk of ignition sources as conveyed burning embers from entering hazardous areas such as silos and filters which can then lead to consequential dust explosions. The Atexon range of spark detectors are extremely reliable, fast, sensitive and designed to detect ignition sources in milliseconds and to initiate water extinguishing. The extinguishing process normally lasts for 5 seconds and stops automatically.

Flame Detection Overview:

Atexon Flame detectors provide fast fire detection in open and highly illuminated spaces. The versatile detection capabilities of the Atexon® flame detectors make it possible to use them in challenging industrial environments. Flame detectors can be either stand-alone fire detectors, or part of a fire protection system such as a water mist extinguishing system. They can also be easily connected to the Atexon® VR18Z spark detection and extinguishing system. Typical uses include production facilities, fuel depots, machinery, unloading ports of conveyors, recycling plants and heating plants.

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Spark Detection Technology – Atexon V300EX

Our customers include companies that work in wood, bioenergy, recycling, paper, food, textile and fiber-reinforced plastic industries. Atexon products are ATEX certified by VTT Expert Services ltd. and they also conform to CEA regulations.

The patented V300EX spark detection family offers supreme detection technology for fast fire prevention. The extra wide field of view and detection spectrum and daylight filter make it possible to use the detector in even a wider range of working conditions.

Properties:

  • 180° field of view
  • Detects incandescent and non-incandescent sparks
  • Detects hot particles with temperatures as low as 300°C
  • Flush mounted lens construction provides increased durability
  • ATEX compliant model for zone categories 20, 21 and 22
  • Model VF300EX includes a daylight filter

Operating Principle of the Spark Detection & Fire Extinguishing System

  1. The spark detectors respond to ignition sources within milliseconds.
  2. The extinguishing unit extinguishes sparks and embers with a small amount of water.
  3. The signal router guides and monitors the extinguishing event.
  4. The VR18Z control panel monitors the whole system and gives audible and visual alarms.
  5. The fan controller stops the blowers in case of overheating or a spark shower.
  6. The overheat sensing cable monitors the fan bearings and the casing.
  7. The pressure booster controller guides the water pump and the heat tracing cables.
  8. The pressure booster provides the extinguishing water at the correct pressure without any air pockets.


Flame Detectors Technology

The 3IR Detector provides high detection sensitivity and excellent interference tolerance even while operating in dirty or dusty environments

The Atexon 3IR flame detector measures three infrared frequency bands simultaneously. In addition, the device uses mathematical algorithms to measure the flame’s radiation peaks and flicker frequency to secure detection and avoid false alarms.A three-band infrared flame detector also works well in challenging environments. It is the best choice for monitoring dusty areas.

Sensitive & Fast — Atexon® flame detectors are extremely sensitive. They can detect a flame the size of only 0.3 m² from as far away as 60 m. Versatile adjustability in, e.g., detection lag and sensitivity makes it possible to use Atexon® flame detectors also in places where traditional flame detectors would cause false alarms.

Versatile Connections— It is easy to integrate Atexon® flame detectors with, e.g., VR18Z spark detection system or with an already existing automation system. The versatile potential-free alarm relay outputs, Modbus and 4-20 mA power outlets make it possible to use the detectors in a wide range of industrial processes.

Extensive approvals— Industrial environments are often dirty and dusty. There might be hazardous classified zones inside the production areas that require equipment that is approved according to most local or national regulations. Atexon flame detectors have international type approvals including ATEX, IECEx and FM.


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