The use of shot blasting to pretreat the road surface can ensure the quality of the road surface cleaning, the surface is clean, the construction is efficient, the surrounding construction is pollution-free, and the noise is low.
The first is dust-proof and power-free dust removal.
For example, when loading and unloading materials and adding a flow cell during belt operation, the dust dust treatment amount can be greatly reduced; when processing the bulk material, a partial seal should be used to make the generated dust and smoke circulate and consume its kinetic energy, and the dust It basically precipitated naturally. Shot blasting machine This kind of mechanical dust-proof and dust-removing accessories is called unpowered dust removal in foreign countries. It is suitable for unpowered dust removal in most places. Or it is necessary to carry out unpowered dust removal pretreatment. Prevention is always more cost-effective than treatment.
The second is to assist in the use of water spray, or foam dust removal.
Direct spray On the one hand, for the relatively high temperature flue gas, direct spray to achieve evaporative cooling can use a small amount of water to cool the flue gas, volume shrinkage, speed reduction is also conducive to dust removal. On the other hand, the dust particles can be wetted, adhered to each other, solidified, grown up, and then easily separated from the atmosphere; therefore, from the viewpoint of reducing emissions, saving energy and reducing costs, it is necessary to first consider unpowered dust removal and direct spray. Dust removal.
Third, it is ventilation and dust removal.
When adopting the ventilation dust removal system, the electric dust removal with low energy consumption is also considered first. Finally, considering the bag filter, almost all of China adopts ventilation and dust removal, and the dust removal accessories are used to solve the problem of emission reduction, but the operation cost is high. Of course, some of the efficiency of the shot blasting machine dust removal accessories is also an actual problem that must be solved.
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