Particulate matter in diesel exhaust is one of the primary sources of environmental pollution. This paper mainly studies the purification treatment of particulate matter in exhaust gas. It also studies the stress conditions and moving process of particulates in straight and elbow pipes respectively and explores their capture efficiency on the basis of that the gassolid two-phase flow composed of particulates and gas is a basic fluid state. This paper mainly analyzes the influence of straight and elbow pipe on the moving process of particulates. It also discusses the impact of the structure parameters of the elbow on the exhaust pressure of inlet and outlet of pipes to provide basis for its designing. In addition, experiment is carried out to verify the capture efficiency of particulates by elbow pipes under different working conditions of diesel engines. The experiment results show that the capture efficiency is improved and separation of particulates is more effective.
The paper designs one talent training mode by the form of order integration to implement school-enterprise cooperation and production education integration in vocational education. Through the practice of school-enterprise cooperation and production education integration talent training mode by the form of order integration, many more advantages are brought, such as the practical training for students is strengthen, the students' professional identity are improved, the students' employment quality are increased, as well as the curriculum setting become more reasonable. It is proved that this talent training mode satisfies the maximum actual demands of enterprises.
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