ĵ - רҵдķϷվ
ҳ > ѧ >  > 800 >

北川县城新建城市市政供水管网冲洗消毒实施方案 - 百度文库

ʱ䣺 ղ ҪͶ

----------------------------Ʒwordĵ ֵ ֵӵ----------------------------------------------

----------------------------------------------------------------------------------------------------------------------------------------------

س½ˮϴʵʩ

һسdzйˮſ

سĿǰ·綫ʮ·ɽ·ɽ··һֵڵ·ڽ裬ˮδװ⣬ˮ߾Ѱװϣ깤ˮ40๫ܵIJҪΪPEܣвīܺ͸ֹܣسˮܾܵĿǰΪDN600СΪDN150ܵװϺйܵδϴֹܵˮѹ鶼δ ݣ

1оԺൺоԺƵˮܵʩͼ

2ʩͳһ׼GB5030002001 3ؾϩˮ̡ܹ̼ܵ(CJJ1012004) 4ˮˮܵʩչ淶(GB502682008) 5ˮˮůʩչ淶GB 50242-2002 ܵϴıҪԣ

ǰڶڰװˮ߼з֣װϵĹܵԤͷδ£ɳʯѾԤܿڣмҲ洦ɼɳʯ飬´μװʱûܵװѹδϴֹܵˮѹ鶼ûʹд˽ϴܵ粻Ӧijϴܻʹϵͳܼ½ϵͳĸʩբ˨ˮȹȽʧ飬ʹΪȷϵͳȶУҪˮȫܵϵͳͶʹǰгϴͱҪҵظˮܵʩչ淶ԹܵijϴȷҪ硶ؾϩˮ̡̼ܵCJJ101

1

----------------------------Ʒwordĵ ֵ ֵӵ----------------------------------------------

----------------------------------------------------------------------------------------------------------------------------------------------

2004)ܵijϴΪǿģϸִС

ġϴǰ׼

1Դˮˮʷϡˮ׼GB/T14848ˮ15000m/յҪʽˮĹܵԭˮܵˮѳϴϣˮõҩ׼㣻ˮе豸ѾװϣʱͶʹã

2ˮϵͳҪһȫղ飬ЩܵûӣЩܵδװϣֳȷܵϴˮŷŵص㣨ˮˮˮڣ

3ܵϴ蹤ߡԱ

Ź߰ճDN200DN150DN100ܸ20ףDN500DN400DN300äһ飬DN200DN150ä飻DN500200DN400200DN300150侶һ䱸Ӧİ֡ǯ֡桢˨Ϊ100m3/hΪ10-14ˮ̨䱸Ӧķ̨ЯʽǶ̨䱸̨Խͨʾư˿顢ɫͨ׶Ͳ˸

Աã֯ԱһֳԱԱһʻԱ繤ܵ

塢ܵϴˮļ

Գˮܵijϴˮˮܵʩչ淶͡ؾϩˮ̡ܹ̼ܵȹع淶ҪܵijϴٲС1.0m/sܵһγϴϺЧӺ20mg/Lˮ24hˮеڶγϴ

1ܵϴˮļ

ݡˮѧԭܵϴˮ˶ѹ㶨ɳܵϴ

2

3

----------------------------Ʒwordĵ ֵ ֵӵ----------------------------------------------

----------------------------------------------------------------------------------------------------------------------------------------------

ʱˮ˽ѹˮԴܵˮϴܵˮͷʧ½ڹܵˮ˷ˮˮɰܵɳʽ㡣

Źܵˮ˺ͳˮˮѹܵˮͷʧĹϵΪ H1-H2=H0

ʽH1H0ֱΪܵڶѹɳˮͷmˮ÷Ŀǰװ̨Ϊ470 m/hΪ35׵ıã˳ˮѹʱ趨Ϊ30ףسǵƱϵͣƽ¶Ϊ4.5ңˮλڱƽϸߴˮλˮ

H2---ܵˮͷʧm;ܵسˮͷʧɸݳϴܵ

3

d1ijϴ

ٲġˮܵˮ½ãܵľֲˮͷʧҪǰװϵͷ侶ͨȣسˮͷʧ8-12%㡣 ƹܵϴļ

Q=uc A2gH0= ucd2/42gH0 ʽQ------ܵm/s

uc-----ܵϵͳϵɳԲιܵȡ0.82

d2-----Ϊˮܿھm g-----ٶȣm/s

H0-----ܵɳˮͷm

ǹܵϴˮQc=QT

ʽQc------ܵϴˮm

T-------ܵϴʱ䣨Sڴ˴ǹܵװ״γϴǵľϴʱ°ţ

ϴܵھΪDN150200ϴʱΪ3600S ϴܵھΪDN300400ϴʱΪ5400S ϴܵھΪDN500600ϴʱΪ7200S

3

323

2

北川县城新建城市市政供水管网冲洗消毒实施方案 - 百度文库

----------------------------Ʒwordĵֵֵӵ-----------------------------------------------------------------------------------------------------------------------------------------------
Ƽȣ
ĵĵΪdocʽ

ѡͼ

0old27at0f1x2cx44e354ncj33s24s019p9
ȡ

΢ɨȡ

΢ɨ