Tính toán thiết kế trạm xử lý nước cấp cho thành phố hội an, tỉnh quảng nam với công suất 87000 m3 ngày đêm - Pdf 13

Thit k trm x c c Hi An -Tnh Qung Nam

ng Thi Trang 1  Ngc Linh
M
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PHN M U 9
1. T V 9
2. MU 10
3. NU 10
4. U 10
5. A C  10
6. KT CU C  10
CHƯƠNG 1: 12
TNG QUAN V  HI AN, TNH QUNG NAM
1.1 U KIN T  12
1.1.1. V  12
1.1.2. u kiu 12
1.1.3. Th 13
1.1.4. a mo 13

2.3.2.4 p ch 24
2.3.2.5 p cht photpho 24
2.3.2.6 ng st (mg/l) 25
2.3.2.7 ng mangan (mg/l) 25
2.3.2.8 a tan (mg/l) 25
2.3.2.9 Clorua (Cl-) 27
2.3.2.10 c kim loi n 27
2.3.3 Ch  27
2.4 TNG QUAN V  C 27
2.4.1 H ch 27
2.4.2 Song chi chn 28
2.4.3  28
2.4.4  29
2.4.5 y trt 29
2.4.6  n ng tn 29
2.4.7 ng 30
2.4.8 c 31
2.4.9  32
2.4.10 Kh c 33
2.4.11 c 33
Thit k trm x c c Hi An -Tnh Qung Nam

ng Thi Trang 3  Ngc Linh
2.4.12 c 33
2.5 M X C CP TI VIT NAM HIN NAY 33
2.5.1 n x u 34
2.5.2 n x ng Nai 35
2.5.3 n x  36
2.5.4 n x n (hin t 37
CHƯƠNG 3: 38

3.5.4.2 B  a 61
3.5.5 Kh c 63
CHƯƠNG 4: 66
 
 XUT
4.1 B tr 66
4.2 B tr 70
4.3 B phn p c 72
4.4 B l 74
4.5 B l 80
4.6 B l 83
4.7 B chc sch 92
4.8 H ch 94
4.9  95
4.10 Trp II 99
CHƯƠNG 5 : 101

5.1 D  101
5.1.1 D  thng 105
5.1.2 D c c 107
5.2 D  107
5.2.1 D  thng 111
5.2.2 D c c 113
CHƯƠNG 6 : 114
KT LUN NGH
6.1 M V HONG 114
Thit k trm x c c Hi An -Tnh Qung Nam

ng Thi Trang 5  Ngc Linh
6.1.1  114

STT
TÊN BNG
Trang
1
Bng 2.1 - m bc mt
18
2
Bng 3.1 - Bng kt qu m mThu Bn
53
3
Bng 3.2 -  thit k ca b 
55
4
Bng 3.3 -  thit k ca b  
59
5
Bng 3.4 -  thit k ca b  
62
6
Bng 4.1 -  thit k ca b trn ng
70
7
Bng 4.2 -  thit k ca b tr
72
8
Bng 4.3 -  thit k ca bp c
lng
74
9
Bng 4.4 -  thit k ca b lng ngang Thit k trm x c c Hi An -Tnh Qung Nam

ng Thi Trang 7  Ngc Linh
DANH MUÏC CAÙC HÌNH
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Mt bng tng th p I
02
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Nt
03
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Trp 1
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B tr
07
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B phn ng  lng
08
9
B phn ng  lng
09
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B phn ng  lng
10
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B lc nhanh Thit k trm x c c Hi An -Tnh Qung Nam

ng Thi Trang 9  Ngc Linh
PHN M U
1. T V
c sinh hot nhu c thiu trong cuc si  n
lin vi cuc sng c s d cng, sinh ho 
phc v cho nhiu mn ti, thy
c s  u kit n 
chng dch bc khe cng, ng thi ph 
minh ci.
c trong t c cung cng sinh ho
hng rNc m  
Nc ngng si
h u h c t hin nay  ng
u v mt ch
 dng nht thit phi ti c.
 Hi An, tnh Qung Nam,  n ch yu v lnh vc
du lu v c sch rt cao. Hin t Ht trm cp
c   ch ng nhu cc cho khong 40%
h , 60% h i s dng ch yc ging
n b nhi nh trng thic s nh
ng rt nhii sn vin kinh t, c bich.
m bnh t vic s dc thiu v t cao.
ng mt trm cc t
T Hi An tnh Qun thit, vi m

5. A C 
 c thc hin s a:
- Gii quyt v c s Hi An, tnh Qung Nam.
-  cho p, dch v 
- u thc t

- To ti u, m rng d 
6. KT CU C 


  trm       Hi An, tnh Qu     87.000
m
3/
.
Thit k trm x c c Hi An -Tnh Qung Nam

ng Thi Trang 11  Ngc Linh
  Hi An, tnh Qung Nam.

 xu x c c Hi An, tnh Qung
Nam
  xut
   c cp.
a ch x c c Hi An, tnh Qung
Nam.
Nhi 
o
C.
 t 84%.
-- 12, chim
 
Thit k trm x c c Hi An -Tnh Qung Nam

ng Thi Trang 13  Ngc Linh
1.1.3. Th
Do n n, h th    n
 thn.
n vi dic rng 10,350 km
2
t trong nha
c ln nht Vit Nam. t ngun t c Linh cao 2,598m thuc huyn
nh Qung Nam. Ph chng Nam-Bn
c, Hi n Giao Thy
    ng b        Hi An.
Chin C km vi tng din Giao Th
h Gia) rng 3,825 km
2
 
cp II lnh Gnh. Ti Giao Th
nhc t ph t h thc tp   
i th trn Vn, mt phc c n
d ra cng.  n
n t  4.
1.1.4. a mo
p dn ng t c xu

 i, chim t l u gn
i/h      i, chim t l
i/h
n   i, chim t l        i/h  
ng qum 8 
ng hng dy ngh  tr t yu  

287 n c t ng,
u  ng, tr m 2.086
Thit k trm x c c Hi An -Tnh Qung Nam

ng Thi Trang 15  Ngc Linh
i Kinh chi i Hoa
ng t i nay, gn vi lch s n c
t Hi An.
  i ch, h Hi An t  c
n tham quan du lch, nhiu
ng t 
c, ngh s
1.3 HIN TRNG CC TI KHU VC
Hin t Ht trm cc c
ch ng cho khong 40% h  Hi An, 60% h i s dng
ch yc gin b nhi  . Do
n pht trm ct 8
H m bo 100% h c cc sch n chng thi
 n c H20.


V x c sch, chm ngung ca
c thi sinh hoc thi sn xu 
Mi qu c c p
 m b sinh v s ng vi
c hn sc kh
 pH, n    cng,
n chung nha T chc sc khe th gii WHO hay ca cng
c c  c c
thuc tng mt ra nh
Thit k trm x c c Hi An -Tnh Qung Nam

ng Thi Trang 17  Ngc Linh
c trong t m bn ca
nguc hay b ng nguu v cht
n thit ph m bo cung c
chng tnh.
2.2 I NGUC S DC CP
 cung cc s ng g
 c mc ngc bin.
u kic t 
ch nhu kinh, ngun
c s cha nhiu ion Ca
2+
, Mg
2+
 ca tan l
2.2.1 c mt
Bao gm, h chi. Do kt hp t 
ch mc m
 Chc bi

-6
mm

d < 10
-6
mm




Keo Fe(OH)
3

t thi h
sinh vt
To


Protein

Silicat SiO
2

Cht thi sinh hot h

 h
  
+
, Na
2+

 c nhim bt hnh. Ngun nhim bn
t thi ca ng vt, trc tic.
Hu qu nh truyn nhi c nh
n sc khe cng.
 Ngut hy t ng vt thi 
nghic ting tt
nh honh tt d c.
Thit k trm x c c Hi An -Tnh Qung Nam

ng Thi Trang 19  Ngc Linh
 Nguc b nhim bn do cht thp, cht thi rht
c hi c 
 dn trong ngu
 Ngum du m n phm t du m n
xun chuy m nng ngu ngi l x 
c.
 Ngut ty ra tng hc s di ra trong sinh
hop tng lt h y sinh hc
cnh n nguc mt.
u t i tiu t n cht
c mn mt yu t  ng ci
trc tim c mt.
2.2.2 c ngm
 ng cht, chc ngm ph thu
a tc thm qua. Do vc ch
a tng chc ngm chy
a tng ch c ki
c ng
  c thp.
 Nhi i nh.

c mt  
Fe
2+

2+

Rt thp (tr )


2

ng rt thp ho

N cao
NH
4+

n  nh
c nhim bn
t
SiO
2

 n trung

 n cao
Nitrat
ng thp
 n cao
do s c

, Mn
2+
s c t
c ng cha Ca
2+
vi n i s t ca ion Mg
2+
s to
 c
2+
, Fe
2+
, Mn
2+
, NH
4+
,
HCO
3-
, SO
4
2-
, Cl
-

c ng c thp, nhi,

y t ngt vi s  
Nhn s i cng ca lc
     t c c ng     t ca vi sinh vt, vi

0
ng cn cc ngng nh (30  50 mg/l),
ch yu do ct mng cn cng rt ln
(20  t ngung cn dao
 ln. C
b t hn gng thc vt m
ng ct trong nhng ch  chn bi i
vc mng cn cc nguc x n
c tp.
2.3.1.3 Độ màu (Pt - Co)
nh theo ph c b
p cht hp cht keo sc thp hoc do s 
trin cc h 
2.3.1.4 Mùi vị

hp cht hc thp chy v
  
mn, v chua, v  
2.3.1.5 Độ đục (NTU)
Thit k trm x c c Hi An -Tnh Qung Nam

ng Thi Trang 23  Ngc Linh
 c cp chng h
n gc mt b  tn ti
c silic, hydroxit si keo h
 c vt   c ng      tn t
p cht h c tht.
 o bc d s 
c m c 
NTU (Nepheometric Turbidity Unit).

 cn biu th tng 
 cng ca hai lo c
Thit k trm x c c Hi An -Tnh Qung Nam

ng Thi Trang 24  Ngc Linh
 c ngi cho sinh hon xut: git qu
nu thn ni m chng sn ph
2.3.2.3 Độ oxy hóa (mg/l O2 hay KMnO4)
ng oxy cn thi oxp cht hc. Ch 
   m  nhim bn ca ngu   a
ngung t c b nhim ba nhi
2.3.2.4 Các hợp chất Nitơ
t ho ra amoniac, nitric, nitrat trong t 
t thi trc tin
p chng cht ch th  nhn bit
m nhim bn ca nguc.
 t ca tng loi hp ch bit m i
gian nguc b m.
 c mi b c thi, trong ngum ch
yc nguy him).
 c cha ch yu NO2-  m mt thc

 c cha ch y- m).
N ng rt tt cho tnh
n cht. Nc ung nitrat
 nh xanh xao  tr  dn t
vong.
2.3.2.5 Các hợp chất photpho
 c t   p ch ng gp nh     c b
nhim bn bp cht hy, gi

ng si 30 mg/l ho c mt cha st (III) 
dng keo hc cn huy kh st kt
hp v kh c. Vic ti st ch yi vc ngm.
ng s
khi ging sn phm ct, giy, phim n hm tit din
vn chuyc cng ng.
2.3.2.7 Hàm lượng mangan (mg/l)
Mangc gc ngun  dng
nh t rt nhiu. Tuy vy vi cho
vic s dn chuy kh ng kt hp vi kh
st tc.
2.3.2.8 Các chất khí hòa tan (mg/l)

2
, CO
2
, H
2
 ng rt l
2
n
phm c t h
2

ng thng O
2
c ph thuc
a nguc. c mng
 mc tip vc ng


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