tổng quan về ádsnước sạch
TRANSCRIPT
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
B TI NGUYN V MI TRNGTRNG I HC TI NGUYN VMI TRNG TPHCM
Khoa Mi Tr!"B# $! K% &h'(& Mi &r!"
CNG H)* +, HI CH- NGH.* VI/T N*M#0 1(2 3 T4 5o 3 H6!h 2h70***** o+o*****
NHI/M V8 9 :NMN HC+; C C?P
, t-n .inh i-n/
0p /1gnh / 23 Th!4t 5i Tr6ng78
@A N" "iao DE F! 3 J L J@A N" ho! &h!h DE F! J 3 @ L J@A O' D DE F!09: chn cng ngh; t
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
- XiC . nh my nc 'Rc x#y "9ng tr-n kh! 'Yt c> '(: hnh BZng ph[ng\ c:o' '(: hnh giC '(nh l ]&\&&
- Ti-! ch!^n nc .:! x l '$t _!y ch!^n k3 th!4t `!8c gi: P chYt lRng ncan !8ng _Eb1 &F/H&&WQdT?
A N#i 5'!" 0F0 2hO! &h'X& $i!h S &!h &oF!04p BCn th!yt minh t
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
th trnh kh~i\ mong`! th=y c thng cCm B~ `!:? }m rYt mong nh4n 'Rc nh{ng l6i g>p `! B! te
ph
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
NH`N +T C-* GI:b VIN H>NG cdN
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N" ThF!" Nf$
SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 4
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
NH`N +T C-* THgY C PH^N BI/N
eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeAeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeAeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeAeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeA
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eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeAN" ThF!" Nf$
SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 5
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
l nh! c=! P nc .$ch cho mc '
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
M8C I THI/UAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
1.1 TNG QUAN V NC NGM.........................................................9
1.2 THNH PHN HO HC V TNH CHT VT L NC NGM..10
1.2.1 Thh !h" h#$ h%&.........................................................1'
1.2.2 T(h &h)* +,* -................................................................1'
1./ U V NH0C 3M 4H 56 78NG NC NGM......................11
1.3.1 u !i"#............................................................................................11
1.3.2 Nh$%c !i"#........................................................................11
1.9 CC PH:NG PHP ;6 L NC NGM....................................12
1.4.1 &h$'ng (h)( c' hc................................................................................12
1.4.2 &h$'ng (h)( h*) hc..............................................................................12
1.4.3 &h$'ng (h)( +, hc.................................................................................13
1.4.4 &h$'ng (h)( i inh................................................................................13
1.4.5 /h r*ng n$c ng#........................................................................14
CH_NG
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
2.2.3 => chn ' !E cng ngh?.......................................................................32
CH_NG TNH Tb:N CNG TRNHAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAt2.1 CNH LM THONG T@ NH?N GN MA....................../B
2./ TNH TON 3 LDNG ENG TFP ;C.........................................9/
2.9 TNH TON 3 LC NHANH......................................................9B
2.I TNH TON CC JNG KNG 4 THUT.....................................I9
2. TNH TON 3 CHEA NC 5CH..............................................II
2.B TNH TON CAO T=>NH.............................................................IICH_NG Q KT
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
CH_NG I TNG U*N 3 GI>I THI/U
@A@ TNG U*N V N>C NGgMbi;t 1:m l `!8c gi: c> ng!n nc ng=m kh phong ph P tr{ lRng kh t8t
P chYt lRng? 1c ng=m tn t$i trong cc kh nt cD: 'Yt ' 'Rc t$o thnh tronggi:i 'o$n tr=m t 'iP! ki;n phong ho t8t\ c>nhiP! chYt B^n lRng m: ln th chYt lRng nc ng=m " B( nhim Bqi cc chYtkhong ho t:n\ cc chYt h{! cA\ mwn l#! ngy tho nc m: thYm o 'Yt?
1goi r:\ nc ng=m c|ng c> th B( nhim B^n "o tc 'ng cD: con ng6i? EcchYt thCi cD: con ng6i 'ng 4t\ cc chYt thCi .inh ho$t\ chYt thCi ho hc\ i;c. "ng ph#n B>n ho hcf tYt cC nh{ng lo$i chYt thCi '> tho th6i gi:n n> . ngYm
o ng!n nc\ t
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
nc ng=m "o tc 'ng cD: con ng6i 's B( nhim Bqi cc hRp chYt h{! cA kh> ph#nh!\ cc i kh!^n g#y B;nh\ nhYt l cc ho chYt 'c h$i nh cc kim lo$i nng\ "lRng th!8c tre .#! khng lo$i tre cC cc chYt ph>ng x$?
@ATHNH PHgN Hb: HC V TNH CH?T V`T C NGgM
@AA@ Th!h 2hO! hoF h0
2hc i nc mt\ "o tip xc tr9c tip i 'Yt '\ nc ng=m l mt "!ng "(chho hc phc t$p\ n> ch: h=! ht cc ng!y-n t8 trong ~ `!C 'Yt? T!y nhi-n ccng!y-n t8 ion '>ng :i trv chD y! th khng nhiP!\ ch@ khoCng F& lo$i l/ El*\,E+J*\ 7+OH*\ E+JH*\ E:H]\ 5gH]\ 1:]\ 2]\ 1,O]\ ,]?
)on El*th6ng nZm "i "$ng hRp chYt 1:El "o cc m!8i B( ho t:n h:y "o ncmn B( chn wi trong cc ' tr=n tth6ng c#n BZng i hm lRng E+HJ* E+Ht9 "o tho mt t l; l!n "(ch ch!yncho nh:! tho phAng trnh/
H,E+J* E+JH* ] E+H ] ,H+
)on 7+OH*trong nc "i 'Yt th6ng q "$ng hRp chYt ,H7+Oh:y E:7+O\ .inh r: "oho t:n ' ch: .!n:t? 1c ch: nhiP! 7+OH*c|ng . c> ( cht?
Ec )on kim lo$i kiPm nh/ 1:]\ 2] ??? th6ng 'i km i El*\ q nh{ng wng ncnZm g=n mt 'Yt\ wng "#n c 'ng 'c m lm lRng 1:]\ 2] tang c:o th '#y c> thl "Y! hi;! nc "i 'Yt 's B( nhim?
Ec ion kim lo$i kiPm thS rYt phS Bin trong nc "i 'Yt l E:H]\ 5gH]? 2hinc c> ' khong ho c:o th chD y! l 5gH]? 1g!n g8c cD: n> l "o .9 ho t:ncc ' gi! khong 4t c:nxit 'lmit?
Ec )on E:H] 5gH] trong nc lm cho nc c> t/ t trng\ nhi;t '\ ' trong.!8t\ m! .Vc\ mwi\ (\ t
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
# &ro!" '&/ trong cD: nc ph th!c o lRng khong B( ho t:n\ cchRp chYt cA hc\ chYt h{! cA chYt ko t trong nc? 1c ng!y-n chYt th trong.!8t Kth6ng gi l khng m!N?
M'/ 5! cD: nc ph th!c o thnh ph=n ho hc t$p chYt c> trongnc? Lh=n ln nc khng m!? 1c cng c> m! x:nh nh$t\ nc ch: , H7c> m! lc nh$t nc ch: chYt h{! cA th6ng c> m! ng nh$t?
Mi/ 5wi cD: nc c> li-n `!:n 'n ho$t 'ng cD: i kh!^n trong cc chYt h{!cA c> trong nc? 1c th6ng khng c> mwi\ khi ch: ,H7 c> mwi Trng th8i?
V/ b( cD: nc "o cc lo$i m!8i\ cc chYt kh tng x$? T!y nhi-nmc ' ph>ng x$ cD: chng khc nh:!?
@A U V NHC IM KHI m; c8NG N>C NGgM
@AA@ ' Dix$
1c ng=m l ti ng!y-n th6ng x!y-n\
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
bi;c kh:i thc nc ng=m i `!y m ln . lm hm lRng m!8i tang l-n te'> "n 'n i;c tang chi ph< cho i;c x l nc trc khi ': o . "ng?
2h:i thc nc ng=m Be: Bsi . " "n ti tnh tr$ng nhim ng!n nc ng=m?
@AQ C:C PH_NG PH:P +; C NGgM
F?O?F LhAng php cA hc
wng cc cng trnh thit B( lm .$ch nc nh/ .ong chVn rc\ li chVn rVc\B lVng\ B lc? 1c te ng!n 'Rc BAm cYp F ph!n `!: gin m: thnh nh{ng ti:
nh~ ' oxy khng kh< tc "ng i
H]
thnh
J]
? 1c "n m: 'Rc "n 'i lVnglc q B lc ch: chYt lc K ct\ '\ th:n ho$t t
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
1c ch: th oxy ho H] BZng oxy khng kh< K lm thong gin m: N hoc"!ng chYt oxy ho ' x l?
1c ch: nhiP! i kh!^n th phCi kh trwng BZng cc hRp chYt ch: clo\ oon?
kiPm cD: nc nh~ lm cho `! trnh ko t kh> kh:n\ nc c> mwi ( th phCikiPm ho BZng :mmoni:c K 1,JN? 7:! khi c:cBon ho\ clo ho .A B ri 25n+O?
1c c> nhiP! oxy ho t:n th phCi x l BZng cch "!ng cc chYt kh ' li-n ktoxy? > l hy"r:in\ n:trithi.!n:t f
1hn ch!ng cc phAng php x l ho hc th6ng '$t nang .!Yt c> hi;! `!C c:o?
Hj!h Cn 0hX 10 hpa h0
F?O?J LhAng php l hc
* wng cc ti: 4t l ' kh trwng nh ti: t ngo$i\ .ong .i-! #m?
* i;n ph#n nc Bin ' kh m!8i
* 2h E+Hho t:n BZng phAng php lm thong?
F?O?O LhAng php i .inh
Tr-n th gii hi;n n:y phAng php x l nc BZng i .inh ':ng 'Rc nghi-nc! mt .8 nAi 's p "ng? Trong phAng php ny mt .8 chDng lo$i i .inh 'c
Bi;t 'Rc n!i cYy 'Rc ': o trong `! trnh x l nc i li;! lRng nh~nhng '$t hi;t `!C c:o? T!y nhi-n\ nhng kt `!C nghi-n c! cD: phAng php ny
ch: 'Rc cng B8 rng rsi?SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 13
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
T! th!c o ng!n nc lm ng!y-n li;! cho cc lnh 9c khc nh:! mng6i t: . "ng c phAng php khc nh:! ' x l nc cYp cho lnh 9c '>? Thngth6ng ng6i t: kt hRp cC h:i phAng php cA hc ho hc ' x l nc?
F?O?% 2h .at trong nc ng=m
aA Tr6!" &hFi &E! &6i &4 !hi! 0a s& &ro!" !"'E! !l0 !"O$
Trong nc ng=m .Vt th6ng tn t$i q "$ng ion\ .Vt c> ho tr( H K H]N l thnhph=n cD: cc m!8i ho t:n nh/ K,E+JNH 7+Ofhm lRng .Vt c> trong ccng!n nc ng=m th6ng c:o ph#n B8 khng 'ng 'P! trong cc lp tr=m t gi tr( p,th
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
WA CF0 2hn!" 2hF2 ]h s&
o LhAng php oxy .Vt1g!y-n l cD: phAng php ny l oxy ho K))N thnh .Vt K)))N tch chng r:
kh~i nc "i "$ng hy'roxyt .Vt K)))N? Trong nc ng=m\ .Vt K))N Bic:cBon:t l mtm!8i khng BPn\ n> " "ng th! ph#n thnh .Vt K))Nhy'roxyt tho phCn ng/
K,E+NJNH] H,H+ K+,NH] H,HE+J
1! trong nc c> oxy ho t:n\ .Vt K))N hy'roxyt . B( oxy ho thnh .Vt K)))Nhy'roxyt tho phCn ng/
OK+,NH] H,H+ ] +H OK+,NJ7Vt K)))N hy'roxyt trong nc kt tD: thnh Bng cn m! ng c> th tch r:
kh~i nc mt cch " "ng nh6 `! trnh lVng lc?
2t hRp cc phCn ng tr-n t: c> phCn ng ch!ng cD: `! trnh oxy ho .Vt nh.:!/
OH] ] ,E+J ] +H ] ,H+ OK+,NJ ] ,] ] ,E+J*
1c ng=m th6ng khng ch: xy ho t:n hoc c> hm lRng xy ho t:n rYt
thYp? tang nng ' xy ho t:n trong nc ng=m\ Bi;n php 'An giCn nhYt l lmthong? ,i;! `!C cD: Bc lm thong 'Rc xc '(nh tho nh! c=! xy cho `! trnhkh .Vt?
SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 15
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
o LhAng php kh .Vt BZng `! trnh oxy h>:0m thong/
Hj!h M#& q'F &rj!h 1$ &hoF!" ]h s&
o 2h .Vt BZng h>: chYt/
2hi trong nc ng!n c> hm lRng t$p chYt h{! cA c:o\ cc chYt h{! cA . t$or: "$ng ko BCo ; cc ion .Vt\ nh 4y m!8n kh .Vt phCi ph u 'Rc mng h{! cA
BCo ; BZng tc "ng cD: cc chYt xy ho m$nh? 8i i nc ng=m\ khi lm lRng.Vt `! c:o 'ng th6i tn t$i cC ,H7 th lRng xy th! 'Rc nh6 lm thong khng 'D
SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 16
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
' xy ho ht ,H7 .Vt\ trong tr6ng hRp ny c=n phCi "wng 'n ho chYt ' kh.Vt?
o i;n php kh .Vt BZng i?
LhAng php kh .Vt BZng i th6ng khng 'ng 'c l4p\ m kt hRp i cc`! trnh lm Sn '(nh hoc lm mPm nc?2hi cho i o nc\ `! trnh kh .Vt xCyr: tho H tr6ng hRp/
Tr6ng hRp nc c> oxy hv: t:n/i 'Rc coi l chYt xc tc\ phCn ng kh .Vt"in r: nh .:!/
OK,E+JNH] +H] H,H+ ] OE:K+,NH* OK+,NJ] OE:K,E+JNH7Vt K)))N hy' roxit 'Rc t$o thnh\" "ng lVng l$i trong B lVng gi{ l$i hon tontrong B lc?
Tr6ng hRp nc khng c> oxy hv: t:n/khi cho i o nc\ phCn ng "in r:nh .:!/
K,E+JNH] E:K+,NH* E+J] E:E+J] ,H+
o i;n php kh .Vt BZng Elo?
_! trnh kh .Vt BZng clo 'Rc th9c hi;n nh6 phCn ng .:!/HK,E+JNH] ElH] E:K,E+JNH] G,H+ HK+,NJE:ElH ] G,] ] G,E+J*
o
i;n php kh .Vt BZng 2:li Lrm:ng:n:t K25n+ON?2hi "wng 25n+O' kh .Vt\ `!: trnh xCy r: rYt nh:nh cn m:ng:n K)bN
hy'roxyt e: 'Rc t$o thnh . l nh#n t8 xc tc cho `! trnh kh? LhCn ng xCy r:tho phAng trnh .:!/
%H]] 5n+O*] ,] %J]] 5nH]] O,H+
o i;n php kh .Vt BZng cch lc `!: lp 4t li;! 'c Bi;t
Ec 4t li;! 'c Bi;t c> khC nang xc tc\ '^y nh:nh `! tr nh xy ho khH]thnh J] gi{ l$i trong t=ng lc? _! trnh "in r: r^t nh:nh ch>ng c> hi;!
`!C c:o? Et 'n l mt trong nh{ng chYt c> 'c t
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
5t .8 lo$i i .inh c> khC nang xy ho .Vt trong 'iP! ki;n m `! trnh xyho ho hc xCy r: rYt kh> khan? Ehng t: cYy cc m=m kh!^n .Vt trong lp cy lccD: B lc\ thng `!: ho$t 'ng cD: cc i kh!^n .Vt 'Rc lo$i r: kh~i nc? Th6ng. "ng thit B( B lc ch4m ' kh .Vt?
0A 0F0 2hn!" 2hF2 ]h $a!"a!
5:ng:n trong nc ng=m cwng tn t$i i .Vt i;c x l m:ng:n c|ngth6ng 'Rc tin hnh cwng i i;c x l .Vt chng cwng nZm q "$ng ion 5nH] c>t tc "ng xctc cho `! trnh n-n .:! mi l=n r: B lc\ c=n c> th6i gi:n ' t$o r: lp mng tipxc mi K% * F& ngyN? giCm Cnh hqng cD: hi;n tRng ny\ c> th "wng ct 'n 's'Rc phD mt lp 'ioxit m:ng:n lm lp 4t li;! lc?
Trong tr6ng hRp c> ch: cC .Vt m:ng:n\ c=n tin hnh lm th9c nghi;m 'tm r: `!y trnh x l kt hRp mt cch hRp l? Xin lm thong phCi 'D lRng oxi ho
t:n cho cC `! trnh oxi ho .Vt m:g:n? + 1v $#& W(0
:o gm lm thong \ lVng tip xc lc Kmt hoc h:i lpN? bi;c l9: chncng ngh; t! tho 'iP! ki;n c th? 1! .:! khi .Vt B( oxi ho ht m p, c!C ncn gi{ q gi tr( ln hAn th `! trnh oxi ho m:ng:n . "in r: th!4n lAi? lc c=nc> lp 4t li;! lc "y tr-n F?%m\ c> th "wng B lc h:i lp Kth:n :ntr:xit ctN ' c>'Rc hi;! `!C c:o?
SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 1F
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n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
! 'im cD: `!y trnh lc ny l ch@ c=n c> mt cYp B lc nhng nhRc 'iml i;c r: lc phc t$p c=n gi{ 'Rc lp mng xc tc 5nK+,NO q lp ct lc ph nhRc 'im l t8n km hAn nhng hi;! `!C x lc:o Sn '(nh? Ec B lc c> chc nang r rng n-n i;c r: B lc khng phc t$p?
Phn!" 2hF2 ]hF0
wng chYt oxi ho m$nh/E> th "wng mt .8 chYt oxi ho m$nh thng "ng ' x l m:ng:n nh clo\
oon\ 25n+OfElH c> th oxi ho 5nH] 5nO] q p, U trong G& M W& pht? Tr6ng hRp
trong nc c> ch: cc hRp cht :moni th `! trnh oxi ho 5nH] ch@ xCy r: .:! khiclo kt hRp i :moni t$o thnh clor:min cvn " clo trong nc?
El+H +J c> th oxi h>: 5nH] 5nO] q p, G?% * U trong F& * F% pht?
25n+O c> khC nang oxi h>: mi "$ng tn t$i cD: 5n K))N ' t$o thnh5nK+,NO?
o wng Bi;n php .inh hc/
LhAng php ny . "ng lp 4t li;! lc 's 'Rc cYy tr-n BP mt mt lo$i ikh!^n c> khC nang hYp th m:ng:n trong `! trnh .inh trqng? zc i kh!^n . t$o r:tr-n BP mt h$t 4t li;! mt lp mng 5n+H c> tc "ng nh chYt xc tc cho `!trnh oxi h>: m:ng:n?
o Ec phAng php 'c Bi;t1goi cc phAng php x l tr-n\ khi chYt lRng nc cYp 'Rc y-! c=! c:o
hAn n-n trong x l nc cYp cvn . "ng mt .8 phAng php .:!/2h mwi ( BZng lm thong\ chYt oxy h>: m$nh\ th:n ho$t t: hc\ phAng php
tr:o 'Si ion?2h mn kh m!8i trong nc BZng phAng php tr:o 'Si ion\ 'i;n ph#n\
lc `!: mng\ nhi;t h:y chng cYt
SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 19
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7/25/2019 Tng Quan V dsNc Sch
20/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
CH:NG 2 L@A CHN C/ gingkho:n hon ch@nh K kho:n ti lp cch nc N ging kho:n khng hon ch@nhK kho:n lng cheng 'n lp 'Yt ch: nc N\ ging kho:n c> p khng c> p? 2hic=n kh:i thc mt lRng nc ln\ ng6i t: c> th "!ng mt nh>m ging kho:n\ t!ynhi-n trong tr6ng hRp ny cc ging . B( Cnh hqng ln nh:! khi lm i;c 'ng th6i?
Hj!h Z Khoa! "iX!"
WA GiX!" ]hni
0 cng trnh th! nc ng=m m$ch nng\ th6ng khng p\ 'i khi p l9c y!\ch@ p "ng '8i i 'im "wng nc nh~ hoc h gi: 'nh nh~ l?
SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 20
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7/25/2019 Tng Quan V dsNc Sch
21/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
Hj!h t GiX!" ]hni
0A H &h!" &h' !l0 !"O$ &O!" !!"
#y l lo$i cng trnh "!ng ' th! nc ng=m m$ch nng q nh{ng nAi ncng=m .#! B( nhim mn\ i;c 'o ging kh> khan?
6ng 8ng th! nc B:o gm h; th8ng 8ng th! nc 't nZm ng:ng "$ng 'cl hc "$ng x rsnh q '6ng 8ng\ 't trong lp 't c> ch: nc\ c> ' "8c ' nc t9chC P ging t4p tr!ng te '#y c> "!ng go mc hoc my BAm ' lYy nc? nganct ch!i o 8ng nc\ ng6i t: th6ng xp ' "am\ c!i\ .~i x!ng `!:nh 8ng?
H?F?H Ec cng trnh 4n ch!yn nc
Tr$m BAm cYp F c> nhi;m ': nc th te cng trnh l-n tr$m c l nc\tr$m th6ng 'Rc 't ri-ng Bi;t B-n ngoi tr$m x l nc? 5y BAm . "ng q tr$mth6ng . "ng l cc my BAm chm c> p l9c c:o ' BAm nc te ging l-n cc tr$mx l?
Tr$m BAm cYp H c> nhi;m ': nc .$ch 's `!: x l 'n cc kh! "#n c
H?F?J Ec cng trnh x l ncSVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 21
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7/25/2019 Tng Quan V dsNc Sch
22/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
Hj!h mn DE u 1v !l0 !"O$ Ww!" &hoF!" Dn! "i[! S 10
aAC!" &rj!h 1$ &hoF!"
0m thong l `! trnh th6ng 'Rc p "ng trong gi:i 'o$n '=! cD: x lnc? 1c oxy trong khng kh< tip xc i nh:! oxy ho H] 5nH]? 0mthong cvn c> tc "ng kh E+H\ n#ng gi tr( p, cD: nc? Eng trnh lm thong
'Rc thit k mc ' chiP! c:o te tr-n '@nhtrn 'n m9c nc c:o nhYt &\G m? ,i;! `!C x l/ kh 'Rc J&*J% E+ H\ %mgQl p, .:! lm thong G\
n m: K lm thong t9 nhi-n N/ 2h U% M & E+ H\ tang + K%% + BsohoN?
SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 22
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7/25/2019 Tng Quan V dsNc Sch
23/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
Hj!h Gi! $a
Thwng `!$t gi>/ lm thong tCi trng c:o K lm thong cung Bc N ngh: l gi> 'i ngRc chiP!? 2h 'Rc % M W& E+H\ tang + l-n U& M % + Bso ho?
WA Kyo &z
5c ' khC nang kt "
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7/25/2019 Tng Quan V dsNc Sch
24/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
A@A Bx 1s!"
5c ' cng .!Yt nh~ hAnJ&&&mJQ ngy '-m? lVng 'ng th6ng B8 tr< kt hRp i B phCn ng xoy hnh tr?
Hj!h @ Bx 1s!" D{!"
SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 24
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7/25/2019 Tng Quan V dsNc Sch
25/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
lVng trong/ hi;! `!C x l c:o hAn c B lVng khc t8n cY! t$o phc t$p\ ch ' `!Cn l 4n hnh kh> 'vih~i cng trnh lm i;c li-n tc? B ch@ p "ng tr$m c> cng .!Yt J&&&mJQngy '-m?
lVng ly t#m/ B th6ng 'c p "ng ' .A lVng ng!n nc c> hm lRngcn c:o H&&&mgQl i cng .!Yt J&&&mJQngy '-m?
Hj!h @ Bx 1s!" 1 &|$
H?F?O lc
V(& 1i' 10 b4t li;! lc l B ph4n cA BCn cD: cc B lc\ n> 'm l$i hi;! `!Clm i;c t
-
7/25/2019 Tng Quan V dsNc Sch
26/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
5c ' th lm cho cc h$t lc B B( '^y l-ntr-n cc h$t to B( gi{ l$i q 'y?
o wng "vng chCy te "i . khVc phc 'Rc hi;n tRng tr-n\ khC nang
gi{ l$i chYt B^n c|ng t:ng l-n t8c ' cD: h$t cn ch(! Cnh hqng cD:h:i l9c ngRc chiP! nh:!/ l9c cD: "vng nc\ trng l9c? 1hngkh!yt 'im l phCi th:y 4t li;! lc kh> ; .inh
Hj!h @ Bx 10 !ha!h
Bx 10 !ha!h 1l2gi8ng B lc nh:nh nhng c> th-m lp lc th:n :ngtr:xitnhZm tang t8c ' lc ko "i ch! k lm i;c?
Bx 10 n W#"!ng lm .$ch .A B trc khi ': o B lc ch4m ' lm .$chtri;t ' trong B lc ch4m?
Bx 10 0h($/ "wng ' x l cn B^n\ i trwng c> trong nc B( gi{ l$i B-n tronglp mng lc? lc cvn . "ng ' x l nc khng "!ng phn? Trc khi ho$t
'ng c=n ': nc "#ng "=n te "i l-n ' '!Si ht khng kh< r: kh~i lp ct? 2hiSVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 26
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7/25/2019 Tng Quan V dsNc Sch
27/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
nc "#ng c:o tr-n H& M J& cm th ngeng cYp nc cho nc ng!n o B 'n 'c:o thit k? 7:! '> 'iP! ch@nh t8c ' lc tho t cng .!Yt ln? lc ch4m th6ng 'Rc p"ng cho nh my c> cng .!Yt F&&&mJQngy '-m\ hm lRng cn %&mgQl\ ' m! 'n%& Eo?
lc ch4m c> th r: BZng thD cng hoc Bn cA gii
Hj!h @Z Bx 10 0h($Bx 10 F2 140l B lc k cng .!Yt tr-n F&&&& mJQ ngy '-m?
A@A Kh &r!"
2h trwng nc l kh#! BVt B!c c!8i cwng trong gi:i 'o$n x l nc cYp?Trong nc th c> nhiP! i .inh 4t i trwng g#y B;nh?
EA .q cD: phAng php ny l "wng chYt oxy ho m$nh ' ti-! "i;t i .inh 4t i trwng?
Ec Bi;n php/ "wng chYt oxy ho m$nh\ ti: 4t l\ .i-! #m\ phAng php nhi;t\ion kim lo$i?
A@AZ Bx 0h{a !l0 60h
SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 2C
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7/25/2019 Tng Quan V dsNc Sch
28/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
ch: c> nhi;m 'iP! ho l! lRng nc gi{: tr$m BAm cYp F tr$mBAm cYp H? 1goi r: cvn "9 tr{ nc cho nc xC B lVng\ nc r: B lc nc"wng cho cc nh! c=! khc cD: nh my? c> th lm B- tng c8t thp hoc g$ch?
2.2 L@A CHN PH:NG N ;6 LH?H?F EA .q l9: chn cng ngh;
EhYt lRng nc .:! x l phCi 'Cm BCo cho an !8ng .inh ho$t?
Tth th:y 'Si tho mw:\ tho ( tr
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7/25/2019 Tng Quan V dsNc Sch
29/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
U,m lRng .n tSng
.85gQl &?&F
TEb1 GGHG/H&&& hoc75} J%&& M .
,m lRng 7Vt tSng
.8 K H] ] J]N5gQl &?J
TEb1 GFUU M FWWG K)7+GJJF M FW N hoc75} J%&& *
W,m lRng 5:ng:n
tSng .85gQl &?J
TEb1 G&&H M FWW% K)7+GJJJ*FWGN
H?H?H T
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7/25/2019 Tng Quan V dsNc Sch
30/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
_ ngy m:x _tB 2ngy m:x WWH?&F F\H FFW&\OF FH&& mJ Qngy?'-m
0! lRng ngy nh~ nhYt/
_ng?min _ng?tB 2ng?min WWH?&F &? UWJ\G mJ Qngy
Trong '>/
2/ ,; .8 "wng nc khng 'iP! hv: ngy k 'n cch tS chc '6i .8ng xshi\ ch ' lm i;c cD: cc cA .q .Cn x!Yt\ mc ' ti;n nghi\ .9 th:y 'Sinh! c=! "wng nc tho mw: c=n lYy nh .:!/ KTho TEzb1 JJ/H&&GN
m:x
nK ,; .8 khng 'iP! hv: ngy ln nhYt F\H KF\H M F\ON?
min
nK ,; .8 khng 'iP! hv: ngy nh~ nhYt &\ K&\U M &\WN
b4y cng .!Yt cD: tr$m x l< ny l FH&& mJQngy'-m
SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 30
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7/25/2019 Tng Quan V dsNc Sch
31/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
H?H?J 09: chn .A ' cng ngh;:? .A ' F
SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 31
1cte tr$mBAm cYp F
Xin m:
bi
trn 'ng
lVng 'ng
lc nh:nh nnBwn
z l'(nh k
ch: nc.$ch
2h trwngBZng ElH
Tr$m BAm cYpH
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7/25/2019 Tng Quan V dsNc Sch
32/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
Th'X& $i!h n DE @Eh#m Elo q 'y 8ng cD: my BAm? Elo c> tc "ng kh cc hRp chYt h{! cA\cc hRp chYt 1itA cc chYt th ko\ h!yPn phw khc trong ng!n nc? 79 c> mtcc chYt ny q cc cng trnh tip tho . giCm hi;! x!Yt x l
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7/25/2019 Tng Quan V dsNc Sch
33/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
lc nh:nh/
0c l `! trnh khng ch@ gi{ l$i cc h$t cn lA lng trong nc c> k
-
7/25/2019 Tng Quan V dsNc Sch
34/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
mn DE
SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 34
1cte tr$m
Thwng `!$tgi>
trn 'ng
lVng tipxc nnBwn
lc ch4m
z l'(nh k
ch: nc.$ch
2h trwngBZng ElHTr$m BAm cYp
H
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7/25/2019 Tng Quan V dsNc Sch
35/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
Nhi$ Sz Th!" q'6& "iplm thong tCi trng c:o K lm thong cung Bc N ngh: l
gi> nc 'i ngRc chiP! ? 2h %* W& E+H\ t:ng + l-n U& M % +Bso hv:?
Bx 1s!" &iX2 u70c> chc nang gi{ nc l$i .:! `! trnh lm thong trong mt
th6i gi:n 's ' `! trnh xy ho th! ph#n .Vt "in r: hon ton\ 'ng th6i
tch mt ph=n cn nng trc khi ch!yn .:ng B lc? Trong th9c t th6ng lYy
th6i gi:n l! cD: nc te J& 'n O% pht? lVng tip xc c> th 'Rc thit k
nh B lVng 'ng th6ng 't ng:y "i gin lm thong? Ehc nang ch
-
7/25/2019 Tng Quan V dsNc Sch
36/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
nh~Th
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7/25/2019 Tng Quan V dsNc Sch
37/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
* Ehi: gin m: thnh/ J t=ng? 7 "ng .n t!ng BZng inox c> k/_ / cng .!Yt tr$m x l KlQ.N
1 / .8 gin m:
* 6ng k
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7/25/2019 Tng Quan V dsNc Sch
38/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
* Ehn khoCng cch gi{: H 8ng nhnh l J&&mm tho Tzb1 JJ/H&&G?
* 78 8ng nhnh
n H x K ] FN H x K ] FN 8ng?
Trong '>/
/ chiP! rng F gin m: KmN* 0! lRng !: F 8ng nhnh
`nhnh q s &\U% KlQ.N &\&&&U% mJQ.?* 6ng k
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7/25/2019 Tng Quan V dsNc Sch
39/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
Fl 3,14 D1 l 3,14 0,008 &\&&&&% mH
Trong '>/F l / i;n t/ch/ 4n t8c trong 8ng ph#n ph8i ch
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7/25/2019 Tng Quan V dsNc Sch
40/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
* E6ng ' ti : G mJQmH?h
* 0Rng oxy hv: t:n trong nc .:! khi lm thong q nhi;t ' H&E'$t khoCng O&lRng oxy hv: t:n Bso hv: KlRng oxy hv: t:n Bso hv: l \F mgQlN
0Rng oxy hv: t:n/ O& x \F J\HO mgQl?
* 0Rng oxy hv: t:n cvn l$i trong nc .:! khi lm thong thDy ph#n .Vt Kcng thcz*H% x l nc cYp .inh ho$t cng nghi;p cD: Tr(nh z!#n 0:i\ ng 5inhTh!N?
5oH 5oH ho t:nM &\OU?5,H7 ] &\FOJ?5H]] E,E
Trong '>/5oH/ lRng oxy hv: t:n cvn l$i trong nc .:! lm thong?5oH ho t:n / lRng oxy hv: t:n5,H7 / hm lRng ,H7 trong nc5H]/ hm lRng H]trong ncE,E/ chYt h{! cA trong nc
5oH J\HO M&\OU x & ] &\FOJ x G ]& H\J molQl
* Th oxy h>: kh y-! c=! .:! khi kh .Vt/
}F J]
QH]
F\JO * &\FUU x p, }F F\JO M &\FUU x U\F &\& ol?
}H +HQ,H+ F\HJF M &\&%W?p, ] &\&FO%?lg+H }H F\HJF M &\&%W x U\F ] &\&FO% x lgH\J &\F ol?
7o .nh/ &\F J x &\& }H J?}F
K J l h; .8 'Rc p "ng ' 'p ng t8c ' oxy h>: kh khi kh .VtN?
1h 4y\ "#y ch!yPn cng ngh; lm thong 'An giCn BZng gin m: th~: msn 'iP!ki;n lRng oxy h>: .Vt?
2A TNH Tb:N B TRN NG
i;n t
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7/25/2019 Tng Quan V dsNc Sch
41/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
Trong '>/
_/ l! lRng nc o B trn?
b"/ 4n t8c nc "#ng te "i l-n? Ehn " H% mmQ. &\&H% mQ.
t , &\%G mJ
1! mt BZng ph=n tr-n cD: B trn c> "$ng hnh !ng\ th chiP! "i mi c$nh l/
t = = m
Ehn '6ng kc n>n O&&th chiP! c:o ph=n hnh thp K ph=n "i B N l/
h" 1 (btbd ) .cotg40
=1 (0,740,4 ) .2,747=0,46 m
Th t
-
7/25/2019 Tng Quan V dsNc Sch
42/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
h , F\H% mJ
Th t
-
7/25/2019 Tng Quan V dsNc Sch
43/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
l
v
=1 3600
=0,0138 mH
Ehn '6ng k/ _/ 0! lRng nc t
-
7/25/2019 Tng Quan V dsNc Sch
44/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
/ ,; .8 k 'n i;c . "ng "!ng t/F =
=20 (m2)?
b. Din tch ngang ca tit din ngn b phn ng xoy hnh t!" t!#ng t$%&
f1=
60!Nbi h!"# $% &'ng ng h*n H = 5mK`!y ph$m , H?G *% mN .!y r: chiP! c:o cD:
wng B phCn ng hnh tr = . = . = . m \ chn th6i gi:n phCn ng
trong B phCn ng xoy hnh tr l = K`!y ph$m l F% M H& phtN
F
F\GUmH
+-ng nh h3n 4ng %y h6nh t78 9
4( 1+#)
$ =
4(1,67+20)
$ =5,2m
=
T: c> t l; = ,
=1.04 nh~ hAn F?% th~: msn h; .8 k 'n i;c . "ng "!ngt
-
7/25/2019 Tng Quan V dsNc Sch
45/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
EhiP! c:o ph=n lo lYy BZng '6ng kc K g>c gi{: ph=n nghi-ng cD: 'y .o i mt ph[ng ng:ngN l %& ' K%&
M G& 'N
Ehn k
-
7/25/2019 Tng Quan V dsNc Sch
46/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
b4y/ c 3,14 3,2 5,7+ 0,2+5,7 0,2 =28,1 m2
T: c> _ %& mJQh 1 H B
Em:x/ hm lRng cn trong nc ': o B lVng
Em:x En] 2L ] &\H%5 ] KmgQlN
En/,m lRng nc ng!n KmgQlN\ En FH
L/ 0iP! lRng phn t
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7/25/2019 Tng Quan V dsNc Sch
47/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
th! nc 's lVng\ t: "wng h; th8ng mng vng chCy trn x!ng `!:nh thnh B K "o"i;n t
-
7/25/2019 Tng Quan V dsNc Sch
48/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
'Cm BCo cho i;c th! 'P! nc tr-n ton B chiP! "i mng\ ph/
2h t$o g>c / W&o
P rng kh/ F&&mm P rng rang F&&mm EhiP! c:o kh/ hkh %&mm 6ng kng ' r:
tc=btNN
=6 21
=12 m /h KkhoCng G M U\%N/ khng :n ton
SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 4F
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7/25/2019 Tng Quan V dsNc Sch
49/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
b 4y t: phCi thit k th-m H B lc ' "9 phvng? 5t B 4n hnh\ h:i B "9 phvngr: lc o c!8i ngy?
*i;n t
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7/25/2019 Tng Quan V dsNc Sch
50/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
0Yy khoCng cch gi{: cc 8ng nhnh l &\J m K_!y ph$m/ &\H% M &\J mN th .8 8ngtrong F B l/
m= 2= ,
2=10 ng
0! lRng nc lc chCy trong mi nhnh l/
qn= - =
0,036= &\&&JG m
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7/25/2019 Tng Quan V dsNc Sch
51/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
2=$ c =
3,140,15=0,017 m2
TSng "i;n t trong 8ng "n gi> l F% mQ. K`!y ph$m F%*H&mQ. TEz JJ/H&&GN
6ng k ch
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7/25/2019 Tng Quan V dsNc Sch
52/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
gi>4 Qg34
$ v
&\&Gm G& mm
.8 8ng gi> nhnh lYy BZng F&?
0Rng gi> trong F 8ng nhnh l / , &\&&OJ% mJQ.
6gn k nhnh /
"gi> 4 0,0435 =0,006 m=6 mm
i;n t
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7/25/2019 Tng Quan V dsNc Sch
53/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
0Rng nc th! o mi mng/
`m " 0 FH F\% HJG lQ. &\&JG KmJQ.N l c6ng ' r: lcKnh tr-nN
" l khoCng cch gi{: cc t#m mng\ "F\%m
EhiP! "i mng lHm
EhiP! rng mng l/
, +a
qm2
B =5 5
Trong '>/
*: / l t@ .8 gi{: chiP! c:o hnh ch{ nh4t i n: chiP! rng cD: mng
0Yy : F\J KTEz JJ/H&&G\ _!y Lh$m : F M F\%N
*k / ,; .8 '8i i tit "i;n mng hnh t:m gic/ k H\F
,2
= 5
a= cnBm
=hcn= m a
2=
0,2951,3
2=0,19m
b4y chiP! c:o ph=n mng hcnl/ hcn &\FW m lYy chiP! c:o ph=n 'y t:m gic l h '
hcn =0,19 =0.04 m ? "8c 'y mng lYy P ph
-
7/25/2019 Tng Quan V dsNc Sch
54/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
2hoCng cch te BP mt lp 4t li;! lc 'n mp tr-n mng th! nc xc '(nh thocng thc/
6 !m= 7
+0,3(m)
Trong '>/
*0 / EhiP! "y lp 4t li;! lc\ 0 &\ m
* / gisn nq tAng '8i cD: lp 4t li;! lcKlYy tho BCng OM%N O%
>6 !m= , ] &\J &\GG m
Tho `!y ph$m \ khoCng cch gi{: 'y "i cwng cD: mng "n nc r: phCi nZmc:o hAn lp 4t li;! lc t8i thi! &\&U m\ h kc &\&Um
EhiP! c:o ton ph=n cD: mng th! nc r:/ ,m &\J m\ mng "8c P ph
-
7/25/2019 Tng Quan V dsNc Sch
55/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
h= 0,22
Trong '>/
*0./ EhiP! "y lp .~i 'u / 0. &\U m
/ E6ng ' r: lc / FH /s.m2
h' &\HH ==.16n th7t p l8c t!ong l*p v>t li# l,c&
h&= ($ >
Trong '>/ i k
-
7/25/2019 Tng Quan V dsNc Sch
56/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
,m/ 2hoCng cch te mp "i cD: mng 'n lp 4t li;! lc\
,m &\UF KmN
,m/ EhiP! c:o mng th! nc r: lc ,m &\% KmN
h FH M F&\&O ] F ] &\F ] &\H ] F\H ] &\UF] &\% %\U% KmN
hr/ TSng tSn thYt p l9c khi r: lc/
hr h.] h'] hb00] hKmN
&\HHW ] &\HGO ] &\JFOO ] &\JOJ F\F% KmN
h"t/ p l9c "9 tr{ ' ph u kt cY! B:n '=! cD: h$t 4t li;! lc\ lYy h "t H KmN
T>m l$i/
h %\U% ] &\F ] &\OF ] H \WG KmN
b4y chn BAm nc r: lc c>/ _r &\HJ K m
-
7/25/2019 Tng Quan V dsNc Sch
57/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
* n / .8 l=n r: B trong F ngy\ n F
* tF\ tH\ tJ/ th6i gi:n r:\ xC nc lc '=! th6i gi:n cht cD: B lc
%:= (0,1+0,35+0,17 )=23,38 (h)
>P= ,
=
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7/25/2019 Tng Quan V dsNc Sch
58/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
6ng 8ng xC r: lc
0Yy BZng '6ng k
-
7/25/2019 Tng Quan V dsNc Sch
59/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
5A Cao &rj!h Wx &r#!
TSn thYt p l9c trong B trn l &\% m K tho TEb1 JJ/H&&GNE8t m9c nc B trn
nBt nB] &\% H\U ]&\% J\H m
E8t 'y B trn/
"tnBtM ,Bt] &\J J\H M J\&G ] &\J &\OOm
yA Cao &rj!h "i! $a
Ehn m9c nc gin m: l H\W m
E8t 'y gin m:/
gm nBt] &\G J\H ] &\G J\m
CH:NG 9 4FT LUN V 4FN NGH7:! khi th9c hi;n ' n mn hc z l< nc cYp i chD 'P Thit k h; th8ngnc cYp .inh ho:t cho th( trYn O%&& "#n K ng!n nc ng=m N? bi;c x l< ncng=m khc nh:! trc khi ': o . "ng\ twy o 'c thw ng!n nc\ nh!c=! cYp nc\ ti-! ch!^n cYp nc 'iP! ki;n .inh ho$t m l9: chn k th!4t
x l phw hRp? 1g!n nc ny 's B( nhim .Vt i nng ' kh c:o\ ngoi r:cvn nhim m:ng:n\ '#y l h:i thng .8 nhim cht?5ong th=y c g>p BS .!ng B~ `!: ' nh{ng ' n .:! ny th9c hi;n 'Rct8t hAn?
Ewng i '> xin nh tr6ng nh{ng ch!yn th:m `!:n th9c t P mn hc ny 'tr:ng B( cho chng m nhiP! hAn P nh{ng kin thc th9c t P `!y trnh x lnc cYp\ cYp nc .inh ho$t \ .Cn x!Ytf?
SVTH: Nguyn Anh VGVHD: Th.S Nguyn Ngc Trinh 59
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7/25/2019 Tng Quan V dsNc Sch
60/60
n mn hcThit k mt cng trnh x l cho nh my nc mt phc cho kh! "#n c ngo$i i%&&& "#n th!c ' th( lo$i ))
1g!n th:m khCo ti li;!/
* 7ch x l nc cYp K LT7? 1g!yn 1gc !ng *H&F& N* Ti-! ch!^n ngnh * cYp nc m$ng li B-n ngoi cng trnh TEb1
JJ/H&&G