According to the result of energy balance,the temperature field of water jacket was simulated.

This paper introduces the necessity of the feedwater treatment of the water jacket,analyzes on the harms of the impurities in the water on the operation of the water jacket,and damage of impurity in water to the running of water jacket,and puts forward some common methods for treating the feedwater of the water jacket.

Evaluation of main bacteria in jacket water for chocolate smelting;