ou1-c6-filtrarea - Cadre Didactice
ou1-c6-filtrarea - Cadre Didactice ou1-c6-filtrarea - Cadre Didactice
4/26/2003 Ecuatia generala a filtrarii prin stratul de precipitat ⎛ ⎜ ⎝ m V n A ⎞ ⎟ ⎠ = K ( ∆P) ⋅ t oPentru: m = 2; n = 0; K = K1 se obtine ec. (15) – filtrare la ∆P = ct.; oPentru: m = 2; n = 1 – s; K = K2 se obtine ec. (18) – filtrare la (dV/dt) = ct. o Cazul pp. neomogen (granulele mai mari se depun mai repede si neuniform): m ≠ 2. Lucian Gavrila – OPERATII UNITARE I ⋅ (21) 42
4/26/2003 Spalarea precipitatului o Debitul apei de spalare = debitul de filtrat la sfarsitul filtrarii oLa filtrareacu ∆P = ct.: dV dt = A o Din ec. (15): 2 ⋅ r 1 ( ∆P) μ 1−s χ V V = A ⋅ K ⋅ f ⋅ ⋅ ⋅ 1 Lucian Gavrila – OPERATII UNITARE I f = t K f 1 ⋅ A 2 2V f (22) (23) 43
- Page 1 and 2: 4/26/2003 FILTRAREA Lucian Gavrila
- Page 3 and 4: 4/26/2003 FILTRAREA o Prin extinder
- Page 5 and 6: 4/26/2003 SCOPUL FILTRARII o Separa
- Page 7 and 8: 4/26/2003 Etapele filtrarii 1. Supr
- Page 9 and 10: Factorii care influenteaza filtrare
- Page 11 and 12: Factorii care influenteaza filtrare
- Page 13 and 14: 4/26/2003 Suspensii si materiale fi
- Page 15 and 16: 4/26/2003 Materialul filtrant o sa
- Page 17 and 18: 4/26/2003 Materiale filtrante uzual
- Page 19 and 20: Mijloace pentru imbunatatirea filtr
- Page 21 and 22: 4/26/2003 Marirea presiunii de filt
- Page 23 and 24: 4/26/2003 Evitarea pomparii si agit
- Page 25 and 26: Sedimentarea prealabila (prefiltrar
- Page 27 and 28: 4/26/2003 TEORIA FILTRARII o FILTRA
- Page 29 and 30: 4/26/2003 Teoria filtrului ideal o
- Page 31 and 32: 4/26/2003 Teoria filtrului ideal o
- Page 33 and 34: 4/26/2003 Teoria filtrarii prin str
- Page 35 and 36: 4/26/2003 Teoria filtrarii prin str
- Page 37 and 38: m 4/26/2003 Teoria filtrarii prin s
- Page 39 and 40: 4/26/2003 Teoria filtrarii prin str
- Page 41: 4/26/2003 Teoria filtrarii prin str
- Page 45 and 46: 4/26/2003 Teoria filtrarii prin str
- Page 47 and 48: 4/26/2003 Teoria filtrarii prin str
- Page 49 and 50: 4/26/2003 Teoria filtrarii prin str
- Page 51 and 52: 4/26/2003 Consideratii privind ecua
- Page 53 and 54: 4/26/2003 Consideratii privind ecua
- Page 55 and 56: 4/26/2003 Clasificarea filtrelor o
- Page 57 and 58: 4/26/2003 detaliu suport strat filt
- Page 59 and 60: o Stratul filtrant: 4/26/2003 Filtr
- Page 61 and 62: 4/26/2003 Filtru rapid deschis Luci
- Page 63 and 64: 4/26/2003 Tipuri de crepine Lucian
- Page 65 and 66: 4/26/2003 Filtru rapid inchis Lucia
- Page 67 and 68: 4/26/2003 Filtre rapide multistrat
- Page 69 and 70: Filtre Bollmann cu filtrare orizont
- Page 71 and 72: 4/26/2003 Filtre orizontale (nuce)
- Page 73 and 74: 4/26/2003 Filtre nuce Lucian Gavril
- Page 75 and 76: 4/26/2003 Lucian Gavrila - OPERATII
- Page 77 and 78: 4/26/2003 Filtre presa o Elemente c
- Page 79 and 80: 4/26/2003 Lucian Gavrila - OPERATII
- Page 81 and 82: 4/26/2003 Filtre presa sterilizante
- Page 83 and 84: 4/26/2003 Filtre presa LAROX Lucian
- Page 85 and 86: 4/26/2003 Filtre presa LAROX Lucian
- Page 87 and 88: 4/26/2003 Filtre presa LAROX Lucian
- Page 89 and 90: 4/26/2003 Filtre presa LAROX Lucian
- Page 91 and 92: o Caracteristici: 4/26/2003 Filtre
4/26/2003<br />
Ecuatia generala a filtrarii prin<br />
stratul de precipitat<br />
⎛<br />
⎜<br />
⎝<br />
m<br />
V n<br />
A<br />
⎞<br />
⎟<br />
⎠<br />
=<br />
K<br />
( ∆P)<br />
⋅ t<br />
oPentru: m = 2; n = 0; K = K1 se obtine ec. (15) –<br />
filtrare la ∆P = ct.;<br />
oPentru: m = 2; n = 1 – s; K = K2 se obtine ec. (18) –<br />
filtrare la (dV/dt) = ct.<br />
o Cazul pp. neomogen (granulele mai mari se depun<br />
mai repede si neuniform): m ≠ 2.<br />
Lucian Gavrila – OPERATII UNITARE I<br />
⋅<br />
(21)<br />
42
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