Post on 09-Mar-2016
description
mc/zi mc/hr mc/s l/s
5911 246.2917 0.068 68.41
5904 246 0.068 68.33
410 0.114 113.89
448 0.124 124.44
Pierderile de sarcina au fost calculate pe schema cea mai dezavantajoasa.
Pierderi de sarcina locale
Q max(l/s) DN (mm) Aria (mp) Bucati v.max(m/s)hr (m)
49.78 300 0.0707 1 0.5 0.70 0.019
49.78 300 0.0707 2 0.2 0.70 0.015
49.78 300 0.0707 1 0.3 0.70 0.011
49.78 300 0.0707 1 1 0.70 0.038
hr 8.35
cm
Pierderi de sarcina liniare
18.5
0.3
0.015
3.51 cm
0.12 cm
Pierderile de sarcina au fost calculate pe schema cea mai dezavantajoasa.
Pierderi de sarcina locale
Q max(l/s) DN (mm) Aria (mp) Bucati v.max(m/s)hr (m)
99.56 300 0.0707 1 0.5 1.41 0.076
99.56 300 0.0707 3 0.2 1.41 0.091
99.56 300 0.0707 1 0.3 1.41 0.046
99.56 300 0.0707 1 1 1.41 0.152
hr 36.43
cm
Conductele de legatura intre decantoarele secundare si SPNRE (functioneaza ambele
decantoare)
Sectiunea
Intrare in conducta
Cot 90 deg
hl (m)
Pierderi de sarcina totale
Iesire in rezervor
L(m)
D(m)
Conductele de legatura intre decantoarele secundare si SPNRE (functioneaza doar 1
decantor)
Sectiunea
Intrare in conducta
Cot 90 deg
Iesire in rezervor
Q uz orar max
Q max ploios
BREVIAR DE CALCUL HIDRAULIC OBIECTUL 7 - STATIE DE POMPARE NAMOL DE RECIRCULARE SI IN EXCES
Sectiunea 1 - Debite de proiectare
Q u zi med
Q u zi max
Sectiunea 2 - Calculul pierderilor de sarcina
Vana
Vana
Pierderi de sarcina liniare
18.5
0.35
0.015
6.50 cm
0.43 cm
Dimensionare bazin de aspiratie
236.95 m
233.1 m
6.5 m
3.6 m
90.09 mc
0.127 mc/s debit namol de recirculare + namol in exces
11.87 min
Calculul curbei sistemului namol de recirculare
0.127 mc/s210.064 mc/s236.95 m233.1 m237.15 m4.05 m
Pierderi de sarcina locale
DN (mm) Aria (mp) Buc. v.max (m/s)
200 0.0314 1 0.25 2.02
250 0.0491 1 0.2 1.29
250 0.0491 2 0.25 1.29
300 0.0707 1 0.05 0.90
300 0.0707 1 1 0.90
Clapet antiretur 250 0.0491 1 0.8 1.29
250 0.0491 1 0.25 1.29
300 0.0707 2 0.25 0.90
300 0.0707 5 0.25 0.90
Vana manuala
Cot 90 deg DN300
Timp de functionare
Q totalNr. Pompe in funct.Nr. Pompe de rezervaDebit per pompaN maxN minCota refulareDif. geodezica
Sectiunea
Cot 90 deg
Evazare DN200/DN250
Cot 90 deg DN250
Debitmetru DN300
Refulare in bazin
Vana manuala
L bazin
B bazin
Volum util
Q max
Pierderi de sarcina totale
STATIA DE POMPARE NAMOL DE RECIRCULARE
N max
N min
L(m)
D(m)
hl (m)
Pierderi de sarcina liniara
90
0.3
0.012
Q Mr Ml Mtotal H pompare
[l/s] [s^2/m^5] [s^2/m^5] [s^2/m^5] [m]
0 78.57 36.76 115.33 4.05
30 78.57 36.76 115.33 4.15
60 78.57 36.76 115.33 4.47
90 78.57 36.76 115.33 4.98
114 78.57 36.76 115.33 5.55 1.50
140 78.57 36.76 115.33 6.31
100
140
180
220
260
114 l/s 410.4 mc/h
Inaltime pompare 5.5 m
57 l/s 205.2 mc/h
Inaltime pompare 5.8 m
L(m)
D(m)
Punct de functionare
grup de pompare
Debit
Punct de functionare
pompa
Debit
0.00
2.00
4.00
6.00
8.00
10.00
12.00
-20 30 80 130 180
Curba sistem
Punct de functionare
Curba pompei
Series5