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同一类型的住宅区,由于卫生器具种类不同,给水当量相差很大。对于每户当量 N_0>6.0的住宅区,在用分界流量法计算生活用水量时,会出现“一边倒”的现象——用室内给水公式计算的流量永远大于用室外给水公式计算的流量。本文在分析了这一现象的原因之后,提出了根据总当量数 N 的变化,用“当量变化系数”1/K′来修正室内给水公式中的修正项 K 值的“当量修正法”。
In the same type of residential area, due to the different types of sanitary appliances, the water supply equivalence varies greatly. For a residential area with N_0>6.0 per household, the phenomenon of “one side down” will occur when using the demarcation flow method to calculate domestic water consumption—the flow calculated using the indoor water supply formula will always be greater than the flow calculated using the outdoor water supply formula. After analyzing the reasons for this phenomenon, this paper proposes to use the “equivalent change coefficient” 1/K′ to modify the “correction method” of the correction term K value in the indoor water supply formula based on the change in the total equivalent number N.