Spark detection and extinguishing system to ensure production

Dust fires and explosions are generally caused by sparks or hot particles, and occur all the time in industrial production processes such as wood processing, metal processing, automobile and its motor engine manufacturing, tobacco, food, feed, textile, paper mills, tissue factories, health care supplies, power stations, tire recycling, solid waste recycling, and chemical industry. Every year, they cause millions of property losses and production interruptions, Even personal injury or death.
Dust fires and explosions can occur at any time in production line equipment such as pneumatic conveying systems and mechanical conveyors and separation systems, such as dust collectors, dryers, sanders, grinders, chippers, presses, planers, rollers, mixers, crushers, cooling machines, and bucket elevators. In addition, the quenching train room, casting workshop, metal cutting section, welding production line, as well as dust accumulation boxes, material warehouses, and even the entire production line are also hazardous areas with significant risks.
Foreign objects mixed in the material transportation process, defective components in production equipment, overheated materials in the drying section, and electrical sparks are all designated as ignition sources. Any tool passivation, damage to fan bearings, overheating of the engine, obstacles encountered in the drying section, or intrusion of foreign objects may lead to the formation of sparks. This will be a continuous threat to all equipment that operates, transports, discharges, removes dust, or dries combustible materials.
The working principle of the pipeline spark detection and extinguishing system is to effectively capture the infrared radiation emitted by the ignition source (spark) in the pipeline through a spark probe installed on the wall of the conveying pipeline. At the corresponding distance (based on the conveying speed of dust or materials), an extinguishing device is installed to quickly start the high-pressure and high-flow atomization nozzle, extinguish the ignition source (spark) and issue an alarm notification. The specially designed high-pressure anti clogging nozzle has a spraying angle and atomization effect, ensuring that the water mist covers the entire pipeline and does not require a large amount of water spraying. While extinguishing sparks, it will not affect your pipelines, dust removal, filters, and other equipment. At the same time, the designed high-pressure anti clogging nozzle has anti clogging characteristics, which can effectively prevent the clogging of the spray hole by water contaminated materials. The same extinguishing module can be used for extinguishing in other industries. In the metal processing industry, nitrogen or carbon dioxide can be used to extinguish sparks. After the spark ends, the system automatically stops extinguishing the operation. The entire process does not require manual intervention and operation, nor does it require interruption of your production operations, meeting your continuous production needs. At the same time, the system has linkage output points (passive normally open or normally closed contacts of relays), which are compatible with existing PLC and dust removal fan controllers for subsequent linkage measures. The application fields can be applied to the following industries: wood industry, furniture industry, biomass industry, metal processing industry, food industry, feed industry, textile industry, tobacco industry, packaging industry, pharmaceutical industry, etc. The pipeline spark detection and extinguishing system mainly consists of three parts: spark probe, control box, and extinguishing device
The spark probe is installed on the wall of the conveying pipeline, effectively capturing the infrared radiation emitted by sparks in the pipeline. Even if sparks are hidden in dense materials, the probe can sensitively detect them. 1. Sensitive detection. 2. Adopting photoelectric non-contact detection technology. 3. Wide angle detection design, which can cover the entire pipeline with only two probes. 4. The shell is sturdy and has an IP67 protection level. 5. Quick installation.
Control box 1 adopts an ARM chip with fast spark response speed. 2. The extinguishing operation will automatically terminate. Once the system cannot detect sparks, it will automatically stop extinguishing the operation; The production line can continue to operate without stopping or manual intervention, improving production efficiency. 3. Detailed event records. 4. A complete and reliable self inspection system. 5. Configurable linkage measures. 6. Optional backup power module. 7. Each output point has a fuse to ensure there is no risk of short circuit.
The extinguishing device is installed at a corresponding distance behind the probe. By quickly activating the solenoid valve, the high-pressure and high-flow atomizing nozzle is opened, and the atomized high-pressure water is injected into the pipeline, forming a low-temperature and oxygen free environment to extinguish the spark.