thoat nuoc

TRNG I HC TI NGUYN V MI TRNG H NI KHOA MI TRNG

N TT NGHIP

QUY HOCH H THNG THOT NC CHO PHNG C GIANG, LONG BIN, H NI, GIAI ON 2015 2030

Sinh vin thc hin: Phm Th M Hnh

Gio vin hng dn: TS. L Ngc Thun

H Ni, nm 2014

N TT NGHIP Khoa Mi Trng

SVTH : Phm Th M Hnh Lp : LTDH2CM

MC LC

LI NI U ........................................................................................................... 1 CHNG I: TNG QUAN CHUNG V PHNG C GIANG ..................... 3

I.1. IU KIN T NHIN 3 I.1.1. V tr a l ................................................................................................... 3 I.1.2. a hnh ....................................................................................................... 3 I.1.3.Kh hu ......................................................................................................... 3 I.1.4.Thu vn ....................................................................................................... 4 I.1.5.Ti nguyn thin nhin .................................................................................. 4

I.2. IU KIN KINH T X HI 5 I.2.1 Kinh t .......................................................................................................... 5 I.2.2 Vn ha - x hi ............................................................................................ 5

CHNG II: QUY HOCH V THIT K H THNG THOT NC CHO PHNG C GIANG ........................................................................................... 7 A QUY HOCH V THIT K H THNG THOT NC THI ............... 7

II.1. S LIU THIT K 7 II.1.1.Cn c thit k ............................................................................................. 7 II.1.2.D bo dn s .............................................................................................. 7 II.1.3.Din tch v tiu chun thi nc cc cng trnh cng cng ......................... 8 II.1.4.Din tch v tiu chun thi nc khu cng nghip ...................................... 8

II.2. TNH TON LU LNG NC THI 8 II.2.1.Tiu chun thi nc ................................................................................... 8 II.2.2.Lu lng nc thi .................................................................................... 8 II.2.3. Tng hp lu lng nc thi .................................................................. 15 II.2.4. Cng sut trm x l ................................................................................ 15

II.3. THIT K MNG LI THOT NC 15 II.3.1.Phng n vch tuyn mng li thot nc thi ..................................... 15 II.3.1.1.Phn tch a hnh v nguyn tc vch tuyn .......................................... 15 II.3.1.2.Cc phng n vch tuyn mng li thot nc cho phng c Giang ............................................................................................................................ 18

II.3.2.Xc nh lu lng tnh ton tng on cng ........................................... 18 II.3.2.1.Din tch tiu khu thot nc ................................................................. 18 II.3.2.2.Lu lng nc thi tng on ng ....................................................... 18

II.3.3 Tnh ton thy lc mng li thot nc..19 II.3.3.1.Nguyn tc tnh ton ............................................................................... 19 II.3.3.2 Phng php tnh ton thy lc mng li ............................................. 20 II.3.3.3 Xc nh su chn cng u tin ........................................................ 20 II.3.3.4. Trc dc tuyn cng ............................................................................... 21


SVTH: Phm Th M Hnh Lp : LTDH2CM

B THIT K MNG LI THOT NC MA........................................... 21 II.1. Vch tuyn mng li thot nc ma 21

II.1.1 Nguyn tc:................................................................................................ 21 II.1.2 Phng n thot nc ma cho phng c Giang .................................. 22 II.1.3.Xc nh lu lng tnh ton ..................................................................... 22 II.1.4.H s dng chy ........................................................................................ 22 II.1.5.Cng ma tnh ton ............................................................................ 23 II.1.6.Thi gian ma tnh ton ............................................................................. 24 II.1.7.H s ma khng u ................................................................................. 25

II.2. Tnh ton thy lc mng li thot nc ma 25 II.2.1. su chn cng u tin ........................................................................ 25 II.2.2. Xc nh lu lng tnh ton cho cc on cng thot nc ma ............. 25

CHNG III: THIT K TRM X L NC THI .................................... 27 III.1. THNG S THIT K 27

III.1.1. Cht lng nc thi ............................................................................... 27 III.1.2. Lu lng nc thi ............................................................................... 27 III.1.3. V tr trm x l ...................................................................................... 27 III.1.4.Yu cu x l nc thi ........................................................................... 27 III.1.5. Xc nh nng ca cht bn ............................................................... 27 III.1.6 Xc nh mc lm sch ca nc thi ................................................. 29

III.2 DY CHUYN CNG NGH X L NC THI 30 III.2.1 Nguyn tc la chn cng ngh x l ....................................................... 30 III.2.2 La chn dy chuyn x l ....................................................................... 30

III.3. TNH TON CC CNG TRNH N V 34 III.3.1.Tnh ton cc cng trnh x l nc thi phng n 1 .............................. 35 III.3.2. Tnh ton cc cng trnh x l nc thi phng n 2 ............................. 73

CHNG IV: KHAI TON KINH T V LA CHN PHNG N ............ 86 KHAI TON KINH T CHO MNG LI ........................................................ 86

IV.1. Khai ton kinh t cho phng n I 86 IV.1.1. Khai ton kinh t phn cng thot nc thi sinh hot ............................ 86 IV.1.2. Khai ton kinh t phn ging thm ........................................................... 86 IV.1.3. Khai ton kinh t phn cng thot nc ma ........................................... 87 IV.1.4. Khai ton kinh t cho trm bm cc b .................................................... 87 IV.1.5.Chi ph o p t xy dng ................................................................... 87 IV.1.6.Chi ph qun l mng li cho 1 nm ....................................................... 88 IV.1.7.Cc ch tiu kinh t ca phng n I ......................................................... 89

IV.2. Khai ton kinh t cho phng n II 90 A. KHAI TON KINH T CHO TRM X L: ............................................... 95

IV.1.Khai ton kinh t cho phng n I 95



IV.1.1.Khai ton phn dy chuyn cng ngh ...................................................... 95 IV.1.2.Chi ph qun l trm x l ........................................................................ 96 IV.1.3.Cc ch tiu kinh t ................................................................................... 98

IV.2. Khai ton kinh t cho phng n II 99 IV.2.1.Khai ton phn dy chuyn cng ngh ...................................................... 99 IV.2.2.Chi ph qun l trm x l ........................................................................ 99 IV.2.3.Cc ch tiu kinh t ................................................................................. 101

B. NHNG GI NH KHI THIT K TRC DC THEO NC, BN CA PHNG N 1 ..................................................................................................... 102 KT LUN V KIN NGH ............................................................................... 105 TI LIU THAM KHO ..................................................................................... 106 PH LC KM THEO......................................................................................... 107



Danh mc cc bng STT Tn bng Trang

01 Bng 2.1: Tnh ton dn s cho phng c Giang n nm 2030. 7

02 Bng 2.2:H s dng chy v din tch ca cc loi mt ph. 23

03 Bng 3.1: Thnh phn nc thi. 30

04 Bng 3.2: Kt qu tnh ton thy lc mng dn. 35

05 Bng 3.3: Cc thng s thit k song chn rc. 39

06 Bng 3.4: Thng s u vo b iu ha. 39

07 Bng 3.5: Thng s thit k b iu ha. 44

08 Bng 3.6: Thng s thit k b phn ng. 48

09 Bng3.7: Thng s u vo b lng I. 48

10 Bng3.8: Thng s thit k b lng t I. 51

11 Bng 3.9:Thng s u vo b aerotank. 52

12 Bng 3.10: Thng s thit k b aerotank. 60

13 Bng 3.11:Thng s u vo b lng II. 60

14 Bng 3.12: Thng s thit k b lng II. 64

15 Bng 3.13: Thng s thit k b nn bn. 67

16 Bng 3.14: Cc thng s thit k b tip xc clo. 68

17 Bng3.15: Thng s thit k b tip xc. 69

18 Bng 3.16: Thng s u vo b lc sinh hc cao ti. 73

19 Bng 3.17: Thng s thit k b lc sinh hc cao ti. 78

20 Bng 3.18: Thng s u vo b lng t 2. 78

21 Bng 3.19: Thng s thit k b lng II. 81

22 Bng 3.20: Thng s thit k b nn bn. 84

23 Bng 3.21: Thng s thit k sn phi bn. 85

24 Bng 4.1: Bng khai ton kinh t cng thot nc thi phng n I. 86

24 Bng 4.2: Bng khai ton kinh t ging thm phng n I. 86

25 Bng 4.3: Bng khai ton kinh t cng thot nc ma phng n I. 87

26 Bng 4.4: Bng tnh chi ph in nng cho trm bm nc thi. 89



27 Bng 4.5: Bng khai ton kinh t cng thot nc thi phng n II. 90

28 Bng 4.6: Bng khai ton s b ging thm trn mng li. 90

29 Bng 4.7: Bng khai ton kinh t cng thot nc ma phng n II. 91

30 Bng 4.8: Bng tnh chi ph in nng cho trm bm nc thi. 93

31 Bng 4.9: Bng so snh kinh t phn mng li nc sinh hot. 94

32 Bng 4.10: Bng so snh kinh t phn mng li nc ma. 94

33 Bng 4.11: Bng chi ph xy lp v thit b cho dy chuyn cng ngh. 95

34 Bng 4.12: Bng chi ph xy lp v thit b cho dy chuyn cng ngh. 99

35 Bng 4.13: Bng so snh tnh kinh t hai phng n cng trnh trm x l. 101

Danh mc cc hnh v

STT Tn hnh v K hiu 01 Bn quy hoch khu vc phng c Giang Long Bin H Ni QH 02 Vch tuyn thot nc thi phng c Giang phng n I 01 - ML

03 Vch tuyn thot nc ma phng c Giang phng n I 02 - ML

04 Trc dc tuyn cng nc thi chnh phng n I 01 - TD

05 Trc dc tuyn cng nc thi nhnh phng n I 02 - TD

06 Trc dc tuyn cng nc ma phng n I 03 - TD

07 Tng mt bng trm x l nc thi 01 - CN 08 Bn v chi tit b Aerotank 02 - CN

09 Bn v chi tit b Lng ng I 03 - CN

10 Bn v mt ct theo nc 04 - CN

11 Bn v mt ct theo bn 05 - CN

N TT NGHIP 1 Khoa Mi Trng


LI NI U

Hin nay, bo v mi trng l vn bc xc trn ton cu nht l ti cc nc

ang pht trin. Nc ta ang trn ng hi nhp vi th gii nn vic quan tm n

mi trng l iu tt yu. Vn bo v sc kho cho con ngi, bo v mi trng sng trong bo v ngun nc khi b nhim v ang c ng v nh nc,

cc t chc v mi c nhn u quan tm. khng ch l trch nhim ca mi c

nhn m cn l trch nhim ca ton x hi.

Mt trong cc bin php tch cc bo v mi trng sng , bo v ngun nc

thin nhin trnh khng b nhim bi cc cht thi do hot ng sng v lm vic ca con ngi gy ra l thu gom trit cc loi nc thi ng cch v x l trc khi x ra ngun p ng c cc tiu chun mi trng hin hnh.

T t ra nhim v cho ngi k s cp thot nc nhim v l phi a ra

phng n k thut c bn gii quyt nhu cu thot nc ma, thot nc thi v

x l nc thi ph hp vi k hoch pht trin ca t nc v ph hp vi lut mi trng, tiu chun bo v mi trng t nc thi do nh nc ban hnh. Hn na,

cn xut nhng nhim v cho cc cng trnh thot nc gii quyt mt s vn

c th nh sau:

- Ci to mi trng sng cho cng ng; - Chng ngp ng;

- Lm tng gi tr s dng t th;

- Bo v cc cng trnh xy dng, giao thng v cc cng trnh h tng c s khc;

- Nng cao thc bo v mi trng ca ngi dn v tng cng th ch.

Hng ti cc mc tiu v ng thi tng hp cc kin thc hc trong

khoa Mi trng, chuyn ngnh Cng ngh k thut mi trng, trng i Hc Ti

Nguyn V Mi Trng, em xut ti tt nghip:

Quy hoch h thng thot nc cho phng c Giang, Long Bin, H Ni, giai on 2015 2030.

N TT NGHIP 2 Khoa Mi Trng


1. Mc tiu nghin cu ca ti iu tra nh gi c hin trng cng tc thot nc Vit Nam ni chung v

phng ni ring.

Tnh ton thit k mng li thot nc thi sinh hot v nc ma, trm x l nc thi cho phng c Giang giai on 2015-2030.

2. Tm tt ni dung nghin cu - Thu thp nhng thng tin, s liu v dn s, iu kin kin kinh t x hi,

thy vn, a hnh v a cht, tiu chun thot nc, cc im s dng nc tp trung

phng c Giang; - xut, vch tuyn mng li thot nc ma v nc thi sinh hot;

- Tnh ton thy lc mng li;

- xut, tnh ton trm x l nc thi cho khu vc; - Khi ton kinh ph;

- Thc hin cc bn v.

3. xut phng php nghin cu, k thut phn tch o c, phng php x l s liu

- Phng php thu thp s liu, tra cu ti liu;

- Phng php so snh, phn tch, tng hp.

- Phng php ho Autocad;

Trong qu trnh thc hin n em c s gip tn tnh ca cc thy c gio trong khoa Mi Trng, c bit l thy gio TS. L Ngc Thun. Em xin chn

thnh by t lng bit n ti cc thy c gio gip em hon thnh n tt

nghip ny.

Tuy nhin, do trnh chuyn mi ca bn thn cn nhiu hn ch v s hiu

bit v thc t cha nhiu nn n khng trnh khi nhng thiu st nht nh. Em rt mong nhn c s ch bo, gp ca cc thy c gio v cc bn.

H Ni, ngythngnm 2014 Sinh Vin

Phm Th M Hnh

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