In addition, with the progress of metallurgical technology and the increases of continuous casting capabilities, refining technology of external furnace is applied widely.
此外，随着冶金技术的进步，连铸比增加，各种炉外精炼技术被广泛地应用。
Structure and control system of an external heated vacuum furnace are introduced in detail.
本文详细介绍了一台外热式真空炉的结构和控制系统。
External heat exchanger is generally used in large-scale circulating fluidized bed boiler to adjust furnace temperature and working material temperature.
大容量循环流化床锅炉通常采用外置换热器来调节炉膛温度和工质温度。
In boiler outage for a long time, should be very wary of the furnace body external corrosion remaining problems.
在锅炉长期停用时，应非常留意炉体外部的防腐颐养问题。
The boiler boiler stop after maintenance, care is divided into furnace external anti-corrosion and pot die.
锅炉停炉后的维护颐养，分为炉体外部和锅内的防腐颐养。
By dosing external additive during the steel smelting in the revolving furnace, the chemical content of the slag can be made similar to that of silicate cement.
在转炉炼钢的过程中添加少量外加剂，调整冶炼渣的化学成分，使其接近普通硅酸盐水泥熟料的化学成分。
By dosing external additive during the steel smelting in the revolving furnace, the chemical content of the slag can be made similar to that of silicate cement.
在转炉炼钢的过程中添加少量外加剂，调整冶炼渣的化学成分，使其接近普通硅酸盐水泥熟料的化学成分。
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