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Under a thick snow blanket

How JSC Astafyev Terminal in Nakhodka takes concrete steps to combat coal dust

Under a thick snow blanket
At the terminal, a new mobile dust suppression unit has started operation. The range of the new system is up to 90 meters. In winter, it creates a snow cover, in the summer - generates a water mist. A high dust suppression effect is achieved here by means of a sufficient density of pumped fine fog, which is achieved by the arrangement of a large number of nozzles - up to 180 pcs. for one installation. In winter, the plant operates in snow spraying mode. In the dust suppression system, mechanisms are applied that allow the snow to spread to a distance of up to 90 meters in an even layer, with snowflakes having to be heavy enough and stiff to have the ability to linger on the site of ejection and to mate with each other, thus forming a dense covering snow blanket. Such installations successfully provide dust suppression at negative temperatures and a strong wind in the Murmansk commercial port, Vanino, Ust-Luga and other coal terminals.

With the advent of a new installation, the total number of dust suppression devices on the "Astafiev Terminal" has been brought to 6 units, another 4 new installations are on the way to Nakhodka.

At the moment, most of the measures to reduce the impact of coal dust on the environment have been carried out on the territory of OJSC Terminal Astafiev. After the base was concreted and reinforced with metal structures, the height of the protective mesh was increased from 13 to 21 meters. The mesh is an arch-type structure reinforced with aerodynamic metal panels, on which a polymer mesh is installed in the second layer.   

In addition, additional measures of industrial control over the level of dusting were introduced - control over the height of the grab opening when loading onto a ship was strengthened. In adverse weather conditions, work simply stops.

The next stage is the installation of a closed conveyor line. Three Telestak transloading belt systems, when moving coal around the terminal, exclude its contact with the environment.
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