换气次数选用标准

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1、换气扇的设计和选用标准在选择换气扇,通风系列产品时,必须综合考虑换气次数和最少新风量两个因素,取两者计算出房间送风量V(m3/h)的最大值作为合理的送风量.所需换气扇,通风产品的数目按以下公式计算:                                    合理送风量V(m3/h)所需产品数目=---------------------------------------                            所选型号产品的送风量(m3/h) 其中:合理送风量(m3/h)=房间体积(m2)*换气次数(n/h)或最小新风量V((m3/h.人)*人数(人)       

2、                                            换气次数选用标准                            建筑物及房间类型                    每小时所需换气次数                                                                                              (n/h) 学校                         更衣室                                                   5 

3、                               书库,档案室                                            5                                   实验室,礼堂,教室                                  6                                  体育馆                                                    8                                洗手间              

4、                                     12                                 家政室                                                    15  家居                        书房                                                         5                                 客厅,卧室                                             

5、   6                                  洗手间                                                     5-15                                 浴室                                                         10                                   厨房                                                          15 写字楼       

6、              办公室                                                     6                                    复印室                                                    10                                会议室                                                    12 医院                         诊所,病房              

7、                                  6                                候诊室                                                  10                                手术室