中央空调水系统管路设计与材料选择.ppt

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1、水系统管路设计与材料选择Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.目录1、水系统图2、水力计算3、管路及阀门配件的承压4、材料Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.1.水系统图图1.高层空调水系统图

2、Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.1.水系统图图2.低层空调冷冻水系统图Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.1.水系统图图3.水环热泵机组冷却水系统图注：假设泵H=37m竖管压力损失=5m

3、Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.1.水系统图图4.利用冷却塔供冷（用板换时）Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.2.水力计算2.1按上节（第三次讲座水泵选型）计算管径2.2管内流量的确定

4、2.2.1机房内及送回水主管按冷冻水泵流量2.2.2干支管流量按所负责末端设备之流量乘小于1的系数但不超过冷冻水泵之流量Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.3.管路及阀门配件的承压在设备材料表中给出（特别是高层建筑）Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.

5、Copyright2004-2011AsposePtyLtd.4.材料4.1DN≤32用镀锌钢管丝扣连接32≤DN≤250无缝钢管焊接；冷冻水亦可用黑铁管压制弯头电焊接；阀门用法兰连接DN＞250螺旋斜缝焊接钢管电焊连接4.2保温：福乐斯等橡塑发泡材料Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.S

6、lidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.