Sinopec News Network (special correspondent Jiao Fangjie Jiao Nianyou) Recently, the "Reactive Supersonic Flame Spraying Synthetic Ceramic Coating Technology and Application" was completed by Professor Wang Yinzhen from the School of Mechanical and Electrical Engineering of China University of Petroleum (East China), and passed the technology of Shandong Province. Expert appraisal organized by the Office. The appraisal committee unanimously believes that the use of TiC-based ceramic coatings prepared by supersonic flame spraying combined with self-propagating combustion synthesis technology for the remanufacturing of failed parts of oxychlorination reactors is the first in China, and the technology has reached the international advanced level.
The development of industrial modernization has higher and higher requirements on the surface properties of various equipment parts, especially in parts working under conditions of high speed, high pressure, heavy load, corrosive medium, etc., the destruction of materials often starts from the surface. Partial damage to the surface often causes the entire part to fail, eventually causing the equipment to stop production. Therefore, improving the surface properties of materials will effectively extend the service life of components and even the entire equipment, save resources, improve production efficiency and reduce environmental pollution. The scientific research result is to use surface engineering technology to prepare functional coating on the surface of the bulk material, the thickness of which is only a few hundredths to a few tens of the structural size, but the parts have much higher than the bulk material. The wear resistance, corrosion resistance, etc., so that the life of the parts is extended several times to several tens of times. In addition, surface engineering can directly target the surface failure of many valuable components, local surface strengthening, repair, pre-protection, in order to achieve the purpose of extending the service life or regaining the value of use.
At present, this technology has been successfully applied to the remanufacturing of failed parts of oxychlorination reactors, and has achieved significant economic benefits.
It is understood that there are many chlor-alkali enterprises in China, and enterprises using oxychlorination have corrosion and erosion problems of chlorination reactor internals to varying degrees. If the results are promoted and applied in national chlor-alkali enterprises, it will bring Great economic and social benefits.
The development of industrial modernization has higher and higher requirements on the surface properties of various equipment parts, especially in parts working under conditions of high speed, high pressure, heavy load, corrosive medium, etc., the destruction of materials often starts from the surface. Partial damage to the surface often causes the entire part to fail, eventually causing the equipment to stop production. Therefore, improving the surface properties of materials will effectively extend the service life of components and even the entire equipment, save resources, improve production efficiency and reduce environmental pollution. The scientific research result is to use surface engineering technology to prepare functional coating on the surface of the bulk material, the thickness of which is only a few hundredths to a few tens of the structural size, but the parts have much higher than the bulk material. The wear resistance, corrosion resistance, etc., so that the life of the parts is extended several times to several tens of times. In addition, surface engineering can directly target the surface failure of many valuable components, local surface strengthening, repair, pre-protection, in order to achieve the purpose of extending the service life or regaining the value of use.
At present, this technology has been successfully applied to the remanufacturing of failed parts of oxychlorination reactors, and has achieved significant economic benefits.
It is understood that there are many chlor-alkali enterprises in China, and enterprises using oxychlorination have corrosion and erosion problems of chlorination reactor internals to varying degrees. If the results are promoted and applied in national chlor-alkali enterprises, it will bring Great economic and social benefits.
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