The technological process of water treatment automatic control of the steelmaking converter, hardware and software design of the control system are introduced in this paper. The design and realization of water supply automatic control system are based on the S7-400 Programmable Logic Controller.

The development of computational thinking ability is an important part of college computer education domestically and overseas. It is a new direction and goal of college computer language teaching reform and construction. Based on computational thinking combined with teaching experience, this paper introduces a new teaching model for college VB programming courses, which adopts modularization and case teaching project.