Green design is the key to implementing green manufacturing. It is a design method that integrates traditional design with environmental protection. The essence is to prioritize environmental attributes and design them as a design goal so that the product can meet environmental requirements as well as basic functions and service life. This is a manufacturing model that takes into account economic and sociological issues. Therefore, when optimizing the product, this optimization mode has a wider range of green manufacturing than the traditional optimization method, and the economic and social benefits generated by the optimization result are also better. However, the difficulty of optimization is relatively large, which should be one of the problems solved by research in operation research and optimization design. The wind turbine is a general-purpose equipment widely used in the machinery industry. It is also an important part of environmental protection equipment. However, the noise generated by the fan during operation has an adverse effect on the environment. It is one of the main sources of noise in polluting urban environments.
If the noise of the boiler blower, the air-conditioning fan, and the ventilation fan of the workshop is not effectively controlled, it will adversely affect human health. Therefore, it is necessary to optimize the structure of the fan from the perspective of green manufacturing. Currently, there are two main ways to reduce fan noise: direct control of the source of noise. That is to reduce the acoustic radiation of the noise source, which needs to study the mechanism of the sound source of the fan and the identification of the sound source, find out the relationship between the aerodynamic parameters, geometric parameters and acoustic radiation, and adopt new design and new technology to reduce the noise of the sound source. Indirectly control the propagation of noise. That is to say, measures such as sound absorption and sound insulation are used in the noise transmission path to achieve the purpose of reducing or isolating noise.
Green manufacturing optimization model Green manufacturing optimization model (decision framework model), that is, in the case of the smallest environmental impact (E), the quality (Q) is the best, the manufacturing time (T) is the shortest, and the manufacturing cost (C) is the lowest. Consumption (R) is the smallest, they are interrelated and mutually restrictive, and the comprehensive evaluation indicators are economic and social benefits, not just the optimization of a certain structural parameter. It can be seen that the decision-making of green manufacturing optimization is a question between economics and sociology, but in the end it must be solved by technological innovation and technological improvement, that is, the transformation of manufacturing optimization into structural optimization. . The optimization method based on the principle of green manufacturing combined with neural network technology can be used as reference for product design. Green manufacturing is the future development direction of manufacturing. This paper uses the basic principles of green manufacturing, combined with the increasingly mature artificial neural network optimization technology, analyzes and optimizes the structural factors of the centrifugal fan, and obtains satisfactory results, which has a certain guiding effect on production.
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