Amidst the bustling traffic of cities, road dust is like a hidden “pollution killer,” constantly threatening air quality and citizens’ health. Although traditional water sprinkler trucks can suppress dust to a certain extent, their sprinkling method has shortcomings such as limited coverage and insufficient ability to capture fine particles. Now, the truck-mounted fog cannon has made a strong appearance, joining hands with water sprinkler trucks to form a “golden partner,” bringing a new revolution to road dust suppression and opening a new chapter of efficient dust purification.
Mounted on water sprinkler trucks, the truck-mounted fog cannon skillfully combines the advantages of both. The large-capacity water tank of the sprinkler truck provides a continuous water source, laying a foundation for long-term dust suppression operations. Relying on advanced high-pressure atomization technology, the truck-mounted fog cannon instantly converts water into ultra-fine mist particles of 10-150 microns. These micron-sized water droplets, like lightweight “dust-catching elves,” spread rapidly in the air, fully contacting suspended dust particles. Through adsorption and agglomeration, they accelerate the settlement of dust, effectively reducing the concentration of pollutants such as PM10 and PM2.5 in the air.
Compared with the single columnar water flow of ordinary sprinkler trucks, the spray coverage of the truck-mounted fog cannon is outstanding. Its range can reach 30-120 meters, and with 360-degree rotation and pitch adjustment from -10° to 40°, it can easily achieve all-round, no-dead-angle spraying. Whether it is wide main roads, narrow streets, or roadside green plants, all can be accurately “bathed” in fine mist, comprehensively suppressing the spread of dust.
This supporting system keeps up with the trend of intelligent technology and is equipped with an intelligent control system. By real-time monitoring data such as dust concentration and humidity in the environment, it automatically adjusts the spray volume and angle of the fog cannon, as well as the driving speed and water sprinkling volume of the sprinkler truck. On road sections with high dust levels, such as around construction sites and logistics parks, the system senses sensitively and increases the intensity of spraying and sprinkling; in areas with relatively clean air, it appropriately reduces the operation intensity to avoid water waste, truly achieving precise dust suppression.
In addition, the truck-mounted fog cannon and water sprinkler truck achieve seamless collaborative operation. The sprinkler truck first washes the road surface to loosen deposited dust, creating favorable conditions for the subsequent spray dust suppression of the fog cannon. Then the fog cannon exerts its power, forming a fine mist curtain at low altitude to capture escaped dust particles. The two work closely together to achieve integrated and efficient “washing – dust suppression” operation, with dust suppression efficiency increased by more than 50% compared with traditional methods.
A section of highway in Chile was once a “severe disaster area” of urban dust pollution. Adjacent to multiple construction sites, this section had frequent heavy trucks passing by. On sunny days, dust was flying everywhere, making nearby residents miserable. After introducing the supporting system of truck-mounted fog cannons and water sprinkler trucks, the situation improved significantly. Every early morning, the sprinkler trucks take the lead, washing the road surface with moderate water pressure to remove surface dust; immediately after, vehicles equipped with fog cannons drive slowly. At a height of 30 meters away, fine mist spreads in a fan shape, completely capturing the remaining dust in the air.
According to data from the local environmental monitoring department, after the implementation of the new dust suppression plan on this road section, the concentration of PM10 in the air dropped from the original 150μg/m³ to below 60μg/m³, and the concentration of PM2.5 also decreased significantly, with the air quality around the road improving noticeably. Residents have reported that now there is no longer dust entering the house when windows are open, and breathing is much fresher and more comfortable when taking walks. Moreover, due to the reduction of road dust, the frequency of sanitation cleaning for nearby shops has decreased, and the number of vehicle washes has also dropped significantly, bringing tangible convenience to residents and businesses.
The supporting system of truck-mounted fog cannons and road dust suppression sprinkler trucks is not only a tool for dust suppression but also a practitioner of the concept of green environmental protection. It adopts an energy-saving design, minimizing energy consumption and carbon emissions while achieving efficient dust suppression. Furthermore, by precisely controlling water consumption, it reduces water waste, conforming to the needs of sustainable development.
At a time when urban construction is accelerating and environmental protection requirements are becoming increasingly strict, this innovative supporting system is becoming the preferred solution for road dust suppression in more and more cities. With its efficient, intelligent, and environmentally friendly operation mode, it dispels the haze of dust for cities, keeps blue skies, white clouds, and fresh air, and helps cities stride towards a more livable and business-friendly “dust-free future.” When the fine mist of the truck-mounted fog cannon refracts bright light in the sun, that is the most beautiful testimony to the improvement of the urban environment.
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