For a nuclear power plant cold source intake interceptor gear style and collection material cleaning needs, parameters and working parameters, the design and selection of various parts of the suction equipment combined with the current situation of the interceptor net, analyzed the feasibility of the interceptor net trash pumping program, and proposed a net interceptor pumping equipment design program with impurity pump as the main body. Through the analysis of environmental parts were completed, and the equipment manufacturing and testing conditions were available, which can improve the efficiency of garbage salvage in normal times and during marine life outbreak, and reduce the risk of on-site operation.
Based on the style and cleaning requirements of intercepting nets at cold water intake of a nuclear power plant, and the current situation of intercepting nets cleaning, this paper analyzes the feasibility of using underwater robot to clean intercepting nets, and puts forward a design scheme of underwater cleaning equipment with ROV as the main body. Through the analysis of environmental parameters and working parameters, the design and selection of various parts of cleaning equipment are completed, and the equipment manufacturing and testing conditions are met, which can effectively reduce the labor cost and operation risk of underwater cleaning of intercepting nets.
Light-gauge steel roof system has the advantages of light weight, good seismic performance and ease for installation, which is widely used in large-span space structures. However, the roof system is often damaged under typhoon scenarios. Numerous accidents show that roof failure is mainly caused by the failure of roof panel connectors. In this paper, based on an existing industrial building with a 360-degree standing seam metal roof system, the finite element model is established using spring elements, and the failure process is simulated. Comparing with the existing wind resistance test, the numerical simulation method is verified. The ultimate bearing capacity and anti-wind exposure ability of the roof system were introduced. It is shown that the finite element analysis results agree well with the experimental results, which can verify the finite element model. The research results can provide the reference for the wind resistance design and performance evaluation of the roof system with a 360-degree standing seam sliding clip.
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