1. What is mine geological work?
Geological work for the production and construction of mines, or all geological work during the construction of the mine to the closure of the mine, is called mine geological work. It has two properties: one is to directly serve the mine production and construction; the other is to run through the whole process of mine development.
Second, the purpose of mine geological work: to study and solve the geological and hydrogeological problems that occur in the construction and production of mines: 1. Ensure the smooth and safe production of mines; 2. Make full use of resources and extend the service life of mines.
Third, the basic task of mine geological work 1. Research mining, geology Ida, hydrogeology, geological factors coal mine normal production and construction of the identification of impact. 2. Study the occurrence of coal seams, the physical and chemical properties of coal, and grasp the changing laws of coal seams and coal quality. 3. Analyze mine water filling conditions, predict mine water inflow, and prevent and deal with hydrogeological problems. 4. Provide geological and hydrogeological data needed for mine production, capital construction and new well transfer production, timely submit geological specifications, participate in mining design review and production plan preparation.
5. According to the geological conditions, work closely with the production department to guide the rational progress of the excavation and mining work, and supervise the full exploitation of coal resources.
6. Grasp the changes in geological reserves, conduct mine reserves management, organize supplementary exploration, increase mine reserves, and extend mine service life.
7. Study and investigate the occurrence and utilization value of associated minerals in coal-bearing strata.
4. Geological work in the geological work stage of the mine: Geological work before the transfer of the new well; Geological work in production: Geological work after the transfer of the new well.
V. Characteristics and requirements of mine geological work
1. Closely contact the actual
2. Identify and deal with problems in a timely manner
3. To provide accurate geological data.
4. To predict possible geological changes
The die casting process involves the use of a furnace, metal, die casting machine, and die.
The metal, typically a non-ferrous alloy such as aluminium or zinc, is melted in the furnace and then injected into the dies in the die casting machine. After the molten metal is injected into the dies, it rapidly cools and solidifies into the final part, called the casting parts.
The castings that are created in this process can vary greatly in size and weight, ranging from a couple of ounces to 100 pounds. One common application of die-cast parts are housings - thin-walled enclosures, often requiring many ribs and bosses on the interior.
Metal housings for a variety of appliances and equipment are often die cast.
Several automobile components are also manufactured using die casting, including pistons, cylinder heads, and engine blocks. Most home appliances also need lightweight and r aluminum die castingheat dissipation . Other common die cast parts include propellers, gears, bushings, pumps, and valves.
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