2023-04-03
Introduction
With the rapid development of economy of our country, the storage and transportation of bulk material such as coal, coal powder and sand ash are increasing, which causes serious dust pollution. But if you want to implement the coal plant blockade project, not only cost a lot of money, and stacked site by ceiling span and bucket turbine work requirements, coupled with ventilation, heat insulation, dust, lighting and other factors as well as the site is small, vehicle access inconvenience and other factors, the blockade project is difficult to promote implementation. Therefore, the investment is small but the dust suppression effect is good coal field windproof net stands out.
The main sources of coal yard dust
The dust in coal yard mainly comes from the surface of coal pile in coal storage yard and the dust in the process of taking coal material. The dust is especially serious in the steps of coal unloading, stacking and taking in coal yard. When unloading coal by car, dust is caused by wind when raw coal falls under the action of gravity. In the case of coal yard stacking, dust is generated on the surface of coal pile under the action of wind. When the stacker and reclaimer perform the stacker and reclaimer operation, it is easy to produce dust under the action of mechanical power. Therefore, dust pollution from coal mine is an important factor causing air pollution in mining areas, and it is urgent to control dust pollution from coal mine.
Dust proof principle of coal yard dust screen
The coal yard dustproof net adopts the principle of aerodynamics and according to the results of the field environmental wind tunnel experiment, it is processed into a combination of wind and dust suppression wall with a certain geometric shape, opening rate and different hole shapes. When the air in circulation (strong wind) passes through the wall from the outside, it forms an upper and lower interference air flow on the inside of the wall to achieve the effect of strong wind outside, weak wind inside, small wind outside and no wind inside. So as to prevent dust flying.