FORMULARIO MAQUINARIA
2
Seca 0.35 0.40 Hùm eda 0.20 0.35 Mojada 0.10 0.30 Superficie del tambor sin recubrimiento con recubrimiento TABLA XXIV TAMBOR EN CABEZA TAMBOR EN COLA COMB T 2= FT∗1 e μα −1 T 2= FT∗1 e μα −1 F 2=FT∗[ e μ 2 α2 − 1 e μ 2 α2 ∗e μ 1 α1 −1 ] T 1=T 2+FT T 1=T 2+FT PB= Pfaj/ LPQ=Pmin / L T 3=T 4=T 2+( Fi− HPB) T 3=T 4=T 1+( HPB−Fi ) Pmoviles=2 PB+ Ps +Pi T 4 <T 1=¿ T 4= T 1 T 2 <T 1=¿ T 2=T 1 F 1=FT −F 2 T 3=T 4=T 1 T 1=T 2+FT T 1=F 1 ( 1+ 1 e μ1 α 1 −1 ) ANGULO DE LA CINTA ASCENDENTE/DESCEND ENTE (grados) COEFICIENTE DE REDUCCION (K) 2 1.00 4 0.99 6 0.98 8 0.97 10 0.95 12 0.93 14 0.91 16 0.89 18 0.85 20 0.81 21 0.78 22 0.76 23 0.73 24 0.71 25 0.68 26 0.66 27 0.64 28 0.61 29 0.59 30 0.56 ɸ RODILLO f 4" 0.0375 5" 0.0360 5.5" 0.0330 6" 0.0300 6.5" 0.0275 7" 0.0250 B1=0.9B- 0.05 B<=2 RS=(L-2)*3 +3*(2 || 3) B1=B-0.25 B>2 RI=(L-1) TABLA 30-60 J 1.5 T2A=J+T2 TU=Effmax* F Tent=T2A+TU 1 M3=2.1 Ton C=0.087 ∗ln ( LONG ) 2 −1.31∗ln ( LONG) +5.9 7 Q=3600∗V∗K∗S∗∮ (ton/h) S=ab sin ( θ ) +b 2 cos ( θ) sin ( θ)+ 0.067 ( a + 2 b cos ( θ)) 2 Rc= [ ( PQ+ PB +Ps ) f cos δ± ( PQ +PB ) sinδ ] ∗L Rv = [ ( PQ+ Pi ) fcosδ ±PQsinδ ] ∗L PQ = Q 3.6 V ; PB=( Pc +Pr ) B ; Q= Vim ( D 2 −d 2 ) 183.33 (cfm) Fs= c ∗f∗L [ ( PQ +PB ) cosδ +Ps ] ; Xlt∗( 3.21 3.785 ) Fi= c ∗f∗L [ PB cosδ +Pi ] ; ANF=1.94 ; EMUL=1.78 FT =c∗f∗L [ ( PQ +2 PB ) cosδ +Ps +Pi ] ±HPQ Vim =54600 ∗¿ ; ρ : lb pie 3 ; Dp : pies W 1= F 1∗V 75 ( CV ) W 2= F 2∗V 75 ( CV ) PR 1= W 1 n ( HP ) PR 2= W 2 n ( HP ) V=tabla=1.8 n=eficiencia
description
formulario maquinaria minera primera unidad
Transcript of FORMULARIO MAQUINARIA
Seca 0.35 0.40Hùmeda 0.20 0.35Mojada 0.10 0.30
Superficie del tambor
sinrecubrimiento
conrecubrimiento
TABLA XXIV
TAMBOR EN CABEZA TAMBOR EN COLA COMB
T 2=FT∗1eμα−1
T 2=FT∗1eμα−1
F2=FT∗[ eμ2α 2−1eμ2α 2∗eμ1α 1−1
]
T 1=T 2+FT T 1=T 2+FT PB=Pfaj /LPQ=Pmin /LT 3=T 4=T 2+(Fi−HPB) T 3=T 4=T 1+(HPB−Fi) Pmoviles=2 PB+Ps+PiT 4<T 1=¿T 4=T 1 T 2<T 1=¿T 2=T 1 F1=FT−F2T 3=T 4=T 1 T 1=T 2+FT T 1=F 1(1+ 1
eμ1α1−1)
T 2=T 3+(HPB−Fi ) T 3=T 4=T 1+(HPB−Fi) T 2=T 1+FTT 1=FT +T 2 T 3=T 4=T 2+F1−HPB
α : radianes
ANGULO DE LA CINTA ASCENDENTE/DESCENDEN
TE(grados)
COEFICIENTE DE REDUCCION (K)
2 1.004 0.996 0.988 0.97
10 0.9512 0.9314 0.9116 0.8918 0.8520 0.8121 0.7822 0.7623 0.7324 0.7125 0.6826 0.6627 0.6428 0.6129 0.5930 0.56
ɸ RODILLO f4" 0.03755" 0.0360
5.5" 0.03306" 0.0300
6.5" 0.02757" 0.0250
B1=0.9B-0.05 B<=2
RS=(L-2)*3 +3*(2 || 3)
B1=B-0.25 B>2
RI=(L-1)
TABLA 30-60J 1.5
T2A=J+T2 TU=Effmax*FTent=T2A+TU 1 M3=2.1 Ton
C=0.087∗ln (LONG )2−1.31∗ln (LONG )+5.97Q=3600∗V∗K∗S∗∮ (ton/h)S=ab sin (θ )+b2cos (θ )sin (θ)+0.067(a+2b cos(θ))2
Rc=[ (PQ+PB+Ps ) f cos δ ±(PQ+PB)sinδ ]∗LRv=[ (PQ+Pi ) fcosδ ±PQsinδ ]∗L
PQ= Q3.6V ; PB=(Pc+Pr)B ; Q=
Vim(D2−d2)183.33
(cfm)
Fs=c∗f∗L [ (PQ+PB ) cosδ+Ps ] ;Xlt∗( 3.213.785
)
Fi=c∗f∗L [ PB cosδ+Pi ] ; ANF=1.94 ; EMUL=1.78FT=c∗f∗L [ (PQ+2 PB ) cosδ+Ps+Pi ]±HPQVim=54600∗¿ ; ρ : lb
pie 3 ; Dp : pies
W 1= F1∗V75
(CV ) W 2= F2∗V75
(CV )
PR 1=W 1n
(HP) PR 2=W 2n
(HP )
V=tabla=1.8 n=eficiencia
F2=[ eμ2α2−1eμ2α2∗eμ1α1−1 ]∗¿]
F1=FT−F2
RI=Fi−HPB;μ1=μ1α 1=α 2 (verd) T 2=F 1∗1eμα−1
; T 1=T 2+F1
F2=[ 1eμα+1 ]FT + eμα−1
eμα+1RI
T 4=T 1−[Fs+H (PQ+PB)] ;T 3=T 4+F2
