Since its construction in October 2005, the Wing Coal Longyu Coal Chemical Project has continuously created a number of records in the country, including short construction period, quick production and high product quality. The start of ignition, feeding trials until the methanol production was a success. After the project is put into operation, it consumes 1.27 million tons of coal annually, and the added value per ton of coal is increased by about 6 times.
The project uses a large number of energy-saving emission reduction technologies. The adopted dry powder pressurized coal gasification technology has the advantages of high gasification efficiency, low coal consumption, wide adaptability of raw materials, and low emission of “three wastesâ€. The comprehensive energy consumption is lower in the current domestic coal-to-methanol plant. Other key technologies also use advanced production technologies that are environmentally friendly, highly efficient, and energy-efficient, and all discharged slag and ash are comprehensively utilized. Gasification wastewater discharge is small, and it does not contain tar, phenol, and other refractory impurities, ammonia nitrogen, cyanide content is also low, easy to handle. In particular, the source of water used for the production of coal mines is Yongchang Coal.
Cobalt-based alloy powders are commonly used in laser cladding processes due to their excellent wear resistance, high temperature strength, and corrosion resistance. These alloys typically contain varying amounts of cobalt, chromium, tungsten, and nickel, among other elements, to achieve specific properties.
The laser cladding process involves melting the cobalt-based alloy powder using a high-energy laser beam and depositing it onto a substrate to form a protective coating. This coating helps to enhance the surface properties of the substrate, such as hardness, wear resistance, and corrosion resistance.
Some common cobalt-based alloy powders used in laser cladding include:
1. Stellite: This is a well-known cobalt-chromium-tungsten alloy that offers excellent wear and corrosion resistance. It is often used in applications where high temperatures and abrasive environments are present, such as in oil and gas drilling tools, valves, and pump components.
2. Tribaloy: Tribaloy alloys are cobalt-based alloys that contain varying amounts of chromium, molybdenum, and silicon. They are known for their exceptional high-temperature strength and resistance to galling, making them suitable for applications in the aerospace, petrochemical, and power generation industries.
3. Haynes alloys: Haynes alloys are nickel-cobalt-chromium-molybdenum alloys that offer excellent high-temperature strength, oxidation resistance, and corrosion resistance. They are commonly used in applications where extreme heat and corrosive environments are present, such as in gas turbines and chemical processing equipment.
These cobalt-based alloy powders are available in various particle sizes and can be tailored to meet specific application requirements. They can be used with different laser cladding techniques, such as powder-fed laser cladding or blown powder laser cladding, depending on the desired coating thickness and properties.
Overall, cobalt-based alloy powders for laser cladding provide enhanced surface properties and improved performa
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