1. Meteorite land
The meteorite pile is located near the wellhead, close to the residential area, invading a large number of cultivated land, forest land, residential land and industrial and mining land, destroying the geological landscape.
2. The meteorite heap causes gravity disaster
The natural resting angle of the meteorite pile is 38°~40°. Under the action of artificial excavation and rainfall leaching, it is easy to lose weight and cause gravity disasters, such as slag flow and collapse.
3. Wastewater environment of ochre heap leachate
Organic nutrients that destroy the soil The pollution of the soil by coal gangue, besides occupying the land, also manifests the organic nutrients that make the land salinize and destroy the soil, affecting the growth of crops. Coal gangue can be decomposed into partially soluble salts during weathering, such as Co, SO2, Mg+, Ca+, K+ or Na+. When these soluble salts are immersed in the soil, the soil will be salinized. In addition, coal gangue contains harmful heavy metals, after rain would seep into the soil and increase the content of heavy metals in soils, thereby destroying organic nutrients in the soil.
Tungsten carbide thermal spray powder is a type of powder material that is used in thermal spray processes. It is composed of tungsten carbide particles, which are combined with a binder material to form a powder.
Thermal spraying is a coating process that involves heating the powder material to a molten or semi-molten state and then spraying it onto a surface to create a protective or functional coating. Tungsten carbide thermal spray powder is known for its hardness, wear resistance, and high melting point, making it suitable for applications where extreme wear or high temperatures are present.
The tungsten carbide particles in the powder provide the coating with excellent wear resistance, while the binder material helps to bind the particles together and adhere them to the surface. The powder can be sprayed using various thermal spray techniques, such as flame spraying, plasma spraying, or high-velocity oxy-fuel spraying.
Tungsten carbide thermal spray coatings are commonly used in industries such as aerospace, automotive, oil and gas, and mining, where components are exposed to harsh environments or abrasive conditions. These coatings can provide protection against wear, erosion, corrosion, and high temperatures, extending the lifespan of the coated components.
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