Spark Detectors
Spark detectors are designed to identify sparks, glowing particles, and hot fragments of material within air ducts and process channels of industrial installations.
The sensors continuously monitor the airflow and detect infrared radiation generated by hot particles. When an ignition source is detected, a signal is immediately transmitted to the central control unit, which activates the extinguishing system.
These detectors are widely used in grain dryers, material conveying systems, crushers, and other industrial processes where there is a risk of sparks in the airflow.
The sensors are specifically engineered for operation in harsh industrial environments with high dust concentrations.Operating Principle
Spark detectors operate based on infrared radiation detection emitted by hot particles or sparks.
An optical sensor continuously monitors the internal space of the duct and reacts to infrared radiation within a spectral range of approximately 750–1150 nm.
When a hot particle or spark enters the detection zone, the system instantly sends a signal to the control unit. The controller activates the extinguishing system, which injects water into the duct and eliminates the ignition source.
In grain dryers, sensors are typically installed in exhaust air ducts, where hot particles generated during the drying process are carried by airflow. This allows early detection before the particles reach critical equipment.
