The power fitting is a metal accessory that connects and combines various devices in the power system and protects them. In the review and acceptance organized by the State Grid Corporation of China and the Ministry of Science and Technology, the experts of the acceptance committee agreed that the development of UHV fittings filled the gap of domestic UHV power fittings and the research results reached the international advanced level. The sample design is reasonable and the performance is excellent, which can meet the construction needs of UHV AC transmission line engineering.
Known as the world's first "electric highway", China's 1000 kV UHV AC pilot demonstration project is under construction and is scheduled to be put into commercial operation this year. At the same time, the ±800 kV DC UHV project Yunguang line was also opened recently. Nanjing Line Equipment Factory is currently stepping up the production of UHV power fittings to meet construction needs.
Read the link: China's transmission line grid is mainly composed of 500 kV AC and ±500 kV DC ultra-high voltage. UHV grids are transmission networks with 1000 kV AC and ±800 kV DC voltage ratings. UHV transmission technology is a major cutting-edge technology in the world's energy field, which can improve long-distance, large-capacity transmission efficiency and reduce transmission loss. There is no UHV transmission line that has been put into commercial operation in the world. The first 1000 kV AC UHV test demonstration project under construction in China is in the southeast-Nanyang-Jingmen section.
Heat generated by the hot air into the wood chip dryer cylinder, the cylinder body wall first, leaf axis or feed plate metal preheating, sawdust from sawdust dryer feed into the mouth, inside the wood chip dryer materials the blade shaft or feed plate raise or the rotation of the drum itself float in the sky, and then material, blade shaft and cylinder or feed plate and other metal intimate contact, using hot air separation of moisture away dry material.The material is discharged from the sawdust dryer outlet or from the bottom of the configured shakron, and the hot and humid gas and smoke are removed from the top of the shakron.The material mainly depends on the center of the blade shaft or the uplift role of the plate, or the sawdust dryer has a tendency to Angle of operation.
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