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水资源日益紧缺,已经成为制约经济发展的重要因素。在生产过程中,用水量大,产生的废水量也大;即使将废水经处理达标排放,也是对水资源的一种浪费,加剧了水资源的供求矛盾。最理想的办法,是通过改变生产设备、工艺流程和原料路线等措施,使工业用水在工业生产中构成一个闭合的循环系统。这就是工业用水闭路循环。湖南大学在研究开发工业用水闭路循环方面做了很多有意义的工作,其中针对燃烧高硫煤锅炉而设计的锅
The increasingly scarce water resources have become an important factor restricting economic development. In the production process, the amount of water used is large, and the amount of waste water produced is also large. Even if the wastewater is discharged to the standard, it is also a waste of water resources and aggravates the contradiction between supply and demand of water resources. The best way is to make industrial water form a closed circulation system in industrial production through such measures as changing production equipment, technological processes and raw material routes. This is the closed loop of industrial water. Hunan University in the research and development of industrial water closed loop has done a lot of meaningful work, which for burning high sulfur coal boiler designed pot