The appraisal committee consists of Academician Ye Qichen and Zhongyuan Foreign Engineering Co., Ltd., Nuclear and Radiation Safety Center of Ministry of Environmental Protection, National Power Investment Group, National Nuclear Power Technology Corporation, National Nuclear Engineering Co., Ltd., China Nuclear Power Engineering Co., Ltd., China Nuclear Power Research and Design Institute, Shanghai It is composed of experts from Jiaotong University and Jiangsu Machinery Industry Association.
Participating experts and representatives listened to the general requirements for the development of the CAP1400 ADS automatic depressurization system valves, the CAP1400 large-diameter electric gate valve, the CAP1400 low-pressure differential open check valve, and prototype development report, reviewed relevant data, and examined the site and Actual prototype of the valve, and witnessed the performance test of the ADS automatic depressurization system valve and the large-diameter electric gate valve prototype, and concluded that the development of three kinds of valves such as the CAP1400 ADS valve was successful, and the results had independent intellectual property rights, which was a domestic initiative. It has reached the international advanced level and can be applied to CAP1400/CAP1000 and other nuclear power projects. It has good social and economic benefits and the appraisal committee unanimously agreed to pass the appraisal.
(Original title: China Nuclear Technology CAP1400 Three Valves Appraisal Through Prototype Scientific Research Results)
Tubular tungsten carbide welding rods are a type of welding consumable used for hardfacing applications. They are made by filling a tubular steel rod with a mixture of tungsten carbide particles and a binder material.
The tungsten carbide particles provide exceptional hardness and wear resistance, making them suitable for applications where the welded surface needs to withstand high levels of abrasion, erosion, or impact. The binder material helps to hold the tungsten carbide particles together and facilitate the welding process.
Tubular tungsten carbide welding rods are typically used in industries such as mining, construction, oil and gas, and agriculture, where equipment and machinery are subjected to harsh operating conditions. They can be used for hardfacing various components, such as drill bits, crusher hammers, wear plates, and cutting tools.
The welding process for tubular tungsten carbide rods is similar to other types of welding, such as shielded metal arc welding (SMAW) or gas tungsten arc welding (GTAW). The rods are typically welded using a high heat source, such as an electric arc, to melt the rod and create a strong bond with the base metal.
Overall, tubular tungsten carbide welding rods are a popular choice for hardfacing applications due to their exceptional hardness and wear resistance properties. They help extend the lifespan of equipment and machinery, reducing maintenance costs and downtime.
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