Emphasis is not put on energy saving of single equipment, but on improving the function of waste heat recovery apparatus, pursuing system energy saving policy and developing the new energy saving technology base on introduction and absorption of advanced ones, which results in good during operation.

This article in-troduces the power-sensitive design techniques and experiences that design of variable frequency speed gov- erning pump and frequency control fans and the general design of the process of optimization treatment from optimizing technology and efficiency energy-saving equipment, and the function and influe.