【摘要】 利用导热油替代蒸汽给塔供热、运行平稳、调节方便既节约了能源，又取得了良好的经济效益。更多还原

【Abstract】 In this article the author introduces the technique of steam replaced by heat conducting oil to supply columns with heat. By dong so , operation goes smoothly and adjustment is easy to be operated. In this way, energy is saved and satisfactory economic results are gained.更多还原