Abstract: There were not multipurpose use measures in the early sewer systems of thermal power plants, the wastewater reuse rate of the plants is lower. Taking the Huangjuezhuang Power Plant as example, a reformation scheme of the original sewer system was put forward. The purpose of the scheme is to search after optimal way of sewer system reformation.

Key words: wastewater reuse rate, sewer system, optimized reformation, multipurpose use