China Drying Network News Power Chifeng 3052 coal-based urea project successfully completed all processes on August 3 to produce qualified products. Guodian Chifeng Chemical Co., Ltd. website shows that the project utilizes abundant lignite resources in the Yuanbaoshan open-pit mine of Guozhuang Pingzhuang Coal Group in Guodian, using Lurgi coal gasification technology, wide temperature conversion, low-temperature methanol scrubbing, liquid nitrogen scrubbing, low-pressure ammonia synthesis, and carbon dioxide Air stripping urea process, large particle granulation and other advanced technologies at home and abroad. The total investment of the project is 3.3 billion yuan. The annual production capacity is 300,000 tons of synthetic ammonia and 520,000 tons of large-particle urea.
The project was started in April 2009, and it was commissioned on April 9, 2012. The ventilation process was started on May 6. The purification process was opened on June 20, and the ammonia synthesis process was opened on July 17th. All of them were opened on August 3. Production process to produce qualified urea products.
Oxide powder for thermal spray refers to a type of powder material that is used in thermal spray processes. Thermal spray is a coating technique where a material in powder form is heated and propelled onto a substrate, forming a coating.
Oxide powders are commonly used in thermal spray applications due to their high melting points, excellent wear resistance, and thermal insulation properties. They can be used to create protective coatings on various surfaces, such as metals, ceramics, and plastics.
Some common types of oxide powders used in thermal spray include:
1. Aluminum oxide (Al2O3): This oxide powder is widely used for its high hardness, wear resistance, and thermal insulation properties. It is commonly used for coating applications in industries such as aerospace, automotive, and electronics.
2. Zirconium oxide (ZrO2): Zirconium oxide powder is known for its high melting point and excellent thermal barrier properties. It is often used in thermal spray coatings for gas turbine engine components, where thermal insulation is critical.
3. Chromium oxide (Cr2O3): Chromium oxide powder is used for its high hardness, corrosion resistance, and wear resistance. It is commonly used in applications where high temperature and abrasive wear resistance are required.
4. Titanium oxide (TiO2): Titanium oxide powder is known for its high refractive index and excellent UV resistance. It is often used in thermal spray coatings for optical and decorative applications.
These oxide powders can be applied using various thermal spray techniques, such as flame spraying, plasma spraying, or high-velocity oxy-fuel (HVOF) spraying. The choice of oxide powder and thermal spray technique depends on the specific application requirements and desired coating properties.
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