二級泵站課程設(shè)計(原稿)

1、目錄1.1設(shè)計資料...........................................................................................................................12.1水泵和電機的初步選擇..........................................................................

2、.........................22.1.1二級泵站的組成及特點........................................................................................22.1.1.1二級泵站的組成............................................................................

3、.............22.1.1.2二級泵站的特點.........................................................................................22.1.2泵站設(shè)計參數(shù)的確定........................................................................................

4、....22.1.2.1流量的確定.................................................................................................22.1.2.2揚程的確定.............................................................................................

5、.....22.1.3選擇水泵.................................................................................................................32.1.3.1水泵選擇的基本原則...........................................................................

6、.......32.1.3.2初選水泵和電機.................................................................................................42.2水泵機組的設(shè)計..........................................................................................

7、......................62.2.1機組基礎(chǔ)設(shè)計.........................................................................................................62.3水泵吸水管和壓水管系統(tǒng)的設(shè)計...............................................................

8、....................82.3.1吸水管路.................................................................................................................82.3.1.1吸水管路的布置要求............................................................

9、......................82.3.1.2吸水管徑.....................................................................................................82.3.2壓水管路...........................................................................

10、.....................................92.3.2.1壓水管路的布置..........................................................................................92.3.2.2壓水管管徑.................................................................

11、................................92.3.3管路附件選配........................................................................................................92.4布置機組和管道.............................................................

12、.................................................102.4.1泵的布置形式.......................................................................................................102.4.2吸水井的設(shè)計..........................................

13、.............................................................102.4.3泵標高的計算.......................................................................................................112.5機組校核..................................

14、........................................................................................122.5.1水泵揚程校核.......................................................................................................122.5.2消防校核.....

15、..........................................................................................................122.6輔助設(shè)備的選擇......................................................................................................

16、........122.6.1引水設(shè)備...............................................................................................................122.6.2計量設(shè)備...............................................................................

17、................................132.6.3起重設(shè)備...............................................................................................................132.6.4排水設(shè)備.......................................................

18、........................................................132.6.5通風采暖設(shè)備.......................................................................................................142.6.6防水錘設(shè)備....................................

19、.......................................................................142.6.7噪聲消除設(shè)備.......................................................................................................142.7泵站平面尺寸和初步規(guī)劃.................

20、.............................................................................142.7.1泵房高度計算.......................................................................................................142.7.2泵站的平面圖和剖面圖..........

21、.............................................................................14參考文獻................................................................................................................................15結(jié)束語....

22、................................................................................................................................15~2~1.11.1設(shè)計資設(shè)計資料1基本情況。某市地處華東平原，為滿足城市生活及生產(chǎn)用水需要，擬新建給水工程。取水泵站和給水泵站是給水工程中的重要組成部分。2氣象資料。年平均氣溫15

23、.9℃，最高氣溫39.5℃，最低氣溫－1.6℃，最大凍土深度0.2m。主導風向，夏季為東南風，冬季為東北風。3水源及用水量資料。設(shè)計供水量近期為8萬噸日，遠期為15萬噸日。采用固定取水泵泵房，采用兩條自流管從江中取水，自流取水管全長255m。水源洪水位標高為131.20m，枯水位標高為128.60m。取水泵站到自來水廠的輸水干管全長1600m。自用水系數(shù)α=1.05~1.1，泵房底板高度取1—1.5m。4.給水系統(tǒng)工藝設(shè)計中擬定泵站分二