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通过问卷调查,我们收集了邢台市200户家庭关于节水的调查问卷,对于人们的节水观念和节水行动进行了细致的分析,应用数学中的统计和层次分析法,分析出邢台市家庭潜在节水能力约为70%。得出影响人们节水的除了思想上的重视度,还有节水行动的实施不利,主要原因是人们没有认识到水资源的稀缺;没有良好的节水习惯;家庭废水的回收、利用做得不好。由于以上原因,课题组通过讨论、查资料,提出了促使人们节水的方法,设计了家庭废水利用节水系统。此系统应用简便,不耗费能源,利用大气压与重力收集、储存、利用废水。大量节约了水源,如果水费提高,此系统推广到家庭,可带来可观的经济和节约价值。
Through the questionnaire survey, we collected 200 household water-saving questionnaires in Xingtai City, conducted a detailed analysis on people’s water-saving ideas and water-saving actions, and applied statistics and analytic hierarchy process in mathematics to analyze the families in Xingtai City Potential savings of about 70%. The main reason is that people do not realize the scarcity of water resources; there is no good water-saving habit; and the recovery and utilization of domestic wastewater is done not good. Due to the above reasons, the research group proposed a method to promote people to save water by discussing and checking data, and designed a water-saving system for household wastewater utilization. The system is easy to use, does not consume energy, the use of atmospheric pressure and gravity to collect, store, use of waste water. A large number of water conservation, if the water fee increases, the system extended to families, can bring considerable economic and cost-effective.