Thiết kế nhà máy sản xuất bột mì theo phương pháp khô

  
LỜI NÓI ĐẦU
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CHƯƠNG 1. TỔNG QUAN
1.1. Tổng quan về nguyên liệu

1.1.1. Giới thiệu về cây lúa mì
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1.1.2. Phân loại lúa mì[8, tr 43].
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1.1.3. Cấu tạo và tính chất hạt lúa mì [8, tr 44].
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 !"#$%&' "!%()
U;q+qj)+U:-9)';
Vỏ quả
Pm:
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Nội nhũ
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Phía bụng
Phía lưng
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():-9)';'m78^m2()!=3;
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 M--0 M 7@)V)2'1--
0 M78'@2'm:M $) $-/)78;
7!M!-m$!2M';))&'(&'

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2*=7(0).
\}'@)-m2:N' M-$V)
R2MsR--)'cqcgJJ+K M-
)-.8"8;7@m$"+K<$-)-%
:<7)+
2&>
In-9)'; 'yyjhgi7-:-"( 2
)M';+In2:N M-!2'mV)"M
R+,'VV)"R() M'V-=7 
()R:Mn7@;$()M'
n!^^%C^N"+
F^-'k2-3)4()-9)';+I -:
!^);n@V7!<2-M)-'
M+
~"2M():<>?nXyh
÷
hgi[)1
!))z)Xgi[7#X`q
÷
`_i[RXq_
÷
qfi[X`_
÷
`fi[
2MsX`f
÷
`hi[R---z)X``y
÷

`qgi[+
c';Nn;^S+cNn'"N-
)-.8;!'^!<2$$A7!M3+
42?
J8 '_gxi7-:V)<2$$AR
X_fi[-1))Xgfi[2MsXqfi[+J"--Rz'<
>?*+
J8nM?--2:N0 M!76
&'221))+\23)4;2$$AN
n)83)*+
 !"#$%&' "!%()
 @ 
1.1.4. Thành phần hóa học của hạt lúa mì [8, tr 45÷50]
,"!)4M;()-9)';Ri)l
jI lqx•qf
jJ8R lq_•qf
jK2Ms lg_•gh
j,M lvf•vh
jR---z) lgf•_`
jJRz) lh•o
j, lqh•g
I)-9)';1!'-$R'7)'2'R
'27+K2*M78<N"():+
e/*M2:-9)';3)M)l
cq+g+e/*M2:-9)';XR''Q2:-q``i[
K"(): JR
,
M
K2
Ms

F R---z) JRz) ,
U:
In
Pm)-.8
J8
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h
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 1.1.4.1. Protein
U'-R()-9)';$)77-Nov
÷
gfhi+
IR1!'-.R '7``__•``vqi+
JR-9)';5')-M'-M--)$-R!( -
-)$-R+U)R '7y`jhfiO-R()-9)
';+K9781))!769.?:
'7$€54--R+F-9)';M; ;--R.
 '7g`
÷
gfi7-:+
K2--R3)kl'^769
56VM<M)"/)O@7+
•G^l~-R!'C.-R2;''+
• W69()-Rl -R!769)+,
-R.V)vf•yfi)769()-R78-qo`•g``i+
•F5lI!M7607@()M+
 !"#$%&' "!%()
 A 
•F6VlKnC7607@()M+FBM}
$7sV()gf-R.7€-+F6VM;
7qf'!$.+
•e/)O@-R7l\k3)4C?()
-R+
F2-R()-9)';7809{'-
2--R'"9{")')()R0)+

,"R()-9)';!7g`)')+,!<.-
-RR-)-)'9>( ?n+,8<-z+
1.1.4.2. Gluxit
,"()-9)';!<-!M 'xy÷y_i
)1!-7#N`qq÷`_yi))z)qo_÷_vyi')-z)
`o_÷gv_i+
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7R!@)7.?-7R:$B7R
!?- @2-{4()M+
1.1.4.3. Chất tro
,-9)';!'-m2+I!*M78<N"
():( -JK)G+J"-2>?m8+
1.1.4.4. Chất béo
U:-9)';!'-m2Ms!*M78<N"()
:+e/*M2Ms:( >?8'1n2@+
,"2Ms()-9)';M)5')Ms78))'
R)-R----R-L
1.1.4.5. Vitamin
,-9)';!'-)'5')'Z!'cUaW'
-:7+P)'Zc
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)'+
1.1.4.6. Các enzym
F*-0!@97‚@():Rz')')

3;O2V:1)M3:;
Rz'-:9/*(2V:2.+KRz'
( -9)';l
 !"#$%&' "!%()
 B 
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α
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1.1.5. Tính chất công nghệ và yêu cầu kỹ thuật của hạt lúa mì
1.1.5.1. Tính chất công nghệ của hạt lúa mì [8, tr 9].
,@28():-9)';M^"NC'<)!-
@2>-{()7:$4C';4:&'+,d-
-2Mn? 2-()M? =!)+,
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F():-' 23)4;!? ()M
M&'+c:;m.`ffi+
M[.I.8G(H
F^():$)7q`pq``i+U:^!2
:^V.)M!'-R)=)6-
7<--.:%+
[JG(H
,@2MCM}'-n22-()
&')n()M3;<8X<m[3
;<'BX<-w[+Kk@$@2M():
5'l
je-2'm'-()9+

jU22-()M:?xjf<"+
jU2()M2-M+
jGVmXBM}'-M'[+
j,=)6-'2M&'+
1.1.5.2. Yêu cầu kỹ thuật đối với hạt lúa mì [15].
)[&KL$JC/JM(
U:-9)';!$1:78!'B-:)'Vm:MB
m:78!2%))2:+
ƒ-M/>783'V)s78!
8+
M[&KL$J0JN(
jF&'m.qffi
jƒ4X7-()q``-@:[-.y`7„q``-@+
jU:-9)';m$=*7)…qfiO7-+
 !"#$%&' "!%()
 O 
1.1.6. Các hoạt tính sinh lý của khối hạt trong quá trình bảo quản
GC$:7m*7M37!783)0)
!r->0:-{r %$|)0
:-{5'l3;823;@):/'"'
/M!/$@()7:)3;M3+
1.1.6.1. Quá trình hô hấp
,R-'!-82 7@C '7@+
I 7787:!k- '7†;:! 
82 7@+J.;O3()3;82 7@l
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U
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I 7:MBM@7@CMBsC;k-7
78)3)7:T'$†7:82
 7@T)82 '7@+J.;O3)l
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 7@;3;82:)-'6&'()7:$r 7:
$|MB28M>+
 PMG(M.7
j\')%278():+
j\'6("())
Š
&'.787@3):+
j,6()7:$r /M!+
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1.1.6.2. Quá trình chín sau thu hoạch
P@)::$|)?"7‚M3;M)"!:)
@+,/23;@):-3;!))
 M'8:+D;-''20.1))()
:-'6='-$$A():X-))''6
--'6-ML[+U:-/Rz''$"
82n'+
,)@):%'V@():7:
&'787@L
\.).--':!&'9&
3;m$|)+
 !"#$%&' "!%()
 Q 
,!'-:3;@):-3;!-;2-():
6-/():':'T.M3T).+
1.1.6.3. Quá trình nảy mầm
U'"') )M3<778M?;:
''4'"'"!(_<7l&'@X‹_`i[('-
" +
U'"'-':822':=-278'<
-$:)--'67::()7

:+GC77:'"':)/M O*^<"!)
4-'2-():MB'9+
1.1.6.4. Quá trình tự bốc nóng
,3;M3;>7:X:PeP*'4[
T82'::)'-2-+P$:$r7s'=
7:6)7 3-')Ok'3))O2-():
2-LD;!4-/M!()7:+
1.1.6.5. Sự dính của khối hạt
U'2N")M()7:4-/$@()7
:+W:MB$@$=*)l
jƒ27:-CM--!7@-)+
jƒ@$-'-:3'V+
jƒ@$MBM!+
jƒ@$=*7:()>+
e/$@()7:M3-'78''+ƒ!
M3:";'6C:78MB$@)+
1.2. Các phương pháp bảo quản hạt
FM3:'3X''2'<7-M'<2
-'@-)22'.BM3["^'w
@2;:()'Q7:7R'M3?()'8
3)=
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(268MHR.H
K.?l$/)76:!)-{2()<2#:
7-7:2+W&'():m.&':;

3;:)787+P;>)M3?Œ…Œ

:
Xq_pqxi[M}.2C.+
268MHR.HJ
 !"#$%&' "!%()
 S 
K.?l 82():':)82
 '7@'$":+P>7:"--:)
7@=778!;:()>MB;k+, 
;$|$-:Mm/()*M4+
K!_.:'8 l
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$/82().7:+
jF)7:027@7&787@)7m7:+
j,:*787:+
268MHR.H0H
K.?l$/)=/:'()22#7:
2+
I)/-'-:M}8!7:L
PC'-9)';><--:&'M3=8
3 BM3:?:78+F5=7')/*'
>()PeP8!M17B+
1.3. Một số chỉ tiêu về bột mì [ 9, tr 55]
K2-M';&':0=")l
Kk='3)l
j,:M<'ClM'B<:

jG^l^ 
jGl78!'8''7-:
jPBlBM;78!B^CB)
j,:2l78!:2;2M}'^7)78!
':
Kk=!)-@l
jF&'•q_+fi
jF•qi
jF)•giXi@M}'-I)‡U`+qI[
j~-R8ghi7-+
1.4. Giới thiệu một số dây chuyền sản xuất bột mì
,/ 2'Q'!'3; M 7)
8:.M;)8:<*-:Q
<L<7()'.2'!='M'
8:r'M0=08:.M+e)*-3
;2M';()''+
 !"#$%&' "!%()
  
)[D;'M';PpŽl
I=-→U >=-→I)'*'q→K*→e
:2→-V)→\-7 →I)'*'g→K*→e:2'
:→\-7 →~)&'(&'-"q→~)&'(&'-"g→G
m→I*:→K*→I)'*'_→G)7s→e→G).→
e→c'B→K*→-V)→#-{:2→-!M)→c3
=%&'+
TLUlI=-3)g-")&'(&'=-m)
2-M.+
&VWLUlD;8$V:+
M[D;2M';)'7
I=-→U >7')*-:M3=-

→G:2-'B→G:2M%M}787@→G
4:→Gm→,7'-:M})'*'→cV))&'!
72→-)→JV)Q<→I<8X%!6[→
e*-:)<→c8→I<'BX%Y[→e*
-:Q)<→c'B→,&'→\'MXMO)'
)M•-)L[→F!M)M3+
TLUlD;8..-''! MB@+
&VWLUlD;1.?*3;m78=-m-%)!
)78+e2)M';2-78)+
I;)3;2M';=
•
!8:@.M
)+F<5'_8:)l
jK&MB:7<+
jK8:<*-:&'<+
jK8:7')2-M3&'+
 !"#$%&' "!%()
  
CHƯƠNG 2. CHỌN VÀ THUYẾT MINH DÂY CHUYỀN SẢN XUẤT
2.1. Chọn dây chuyền sản xuất
\9)';7-9):--9):!-m2$-/-=7 0)m
(Ms=3;-'::-9):2$|$+K1-9)';!-m'm-/
-=7 n-5:-9)';!@)-@)M%@)M%-w'
=-':M<'C:C<7!76+I 78-':T-''
2-()M';&'+
K:2!=-?2- 2-M
&'-':=-M)"!{‘)3)4-/)4$*
<2+ƒ/)M-'::7))))$*
<2.V)2M';!g.-'
:+

•\':M}.78+
•\':M}.+
2.1.1. Làm sạch hạt bằng phương pháp khô
- Nguyên tắc:ƒ/)/')0):)0): MB-'
:+GV-':%C@M<'C() MBX'7'M
L[
- Ưu điểm của phương pháp:F.$|/-''()
M@''!$*<2.+,=$783)8:-'
&'=7!$%()M<'C'780-''"m*8
'1M!N')-.8-'"n?Q!"
#M%>TM'$!T?2-M25
M+GC773) MB4md-:6':0':2
$|MB|'>M%M'=MB-:Mm-'d-5MMB'
+
2.1.2. Làm sạch bằng phương pháp ướt
- Nguyên tắc: I9:#)')2B+
K#)%):}'M-
=)+
- Ưu điểm của phương pháp:\'::!3..78
#):"#7>=M<'C)
-w'():<'.7878-'+
 !"#$%&' "!%()
 : 
,:2S3;#)n))!1-':
!&'6-=m:$).>-3; R+
,!'-: M :.MM}.780-'M<'C
::.'1-')O0@2>-{():!$%
*)2<:+
Kết luận:GC$.!<'$3;8
V:-#$%<)@#-@

=)'M';:<" #$%.78+P
 MB8:=rV="-':M<'C:+P;
>83 B#$%.78 7 +
Sơ đồ:

 !"#$%&' "!%()
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,:2
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K'
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K'
 !"#$%&' "!%()
\-7
~)(&'-"q
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Gm
I*:
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2.2. Thuyết minh dây chuyền sản xuất
2.2.1. Hệ thống tiếp nhận nguyên liệu và làm sạch sơ bộ
I=-N7@) )'*'+
,:*'"'7'-:!-r=-0-:7
3)*B-+e)!=-3)':27=97@-:
Mm:2S.'::2C2m:2m+e)!
@)=--8V)+
2.2.2. Hệ thống làm sạch lần 1
\9))7-':.M-23)--7 V'Q-8+K
--7 !V6-:-9))R'k-+\9)
)!>3))'*'7'-:-*
•
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B-:2)3;-':-"q+e)!-9))
3)':27=3:9-':+

e)73)7=3)
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7) )&'-"q+I0:(=&)3)--7 
B-=-3)!B-")&'+
2.2.3. Hệ thống xử lý lúa mì lần 1
\9)3)')&'<@(-8V)+,
-:-9)')(&'-7)(&'-"q!)7qgj
qv+\9&'-9)';:7qffi+
2.2.4. Hệ thống xử lý lúa mì lần 2
e)7(&'-"q-9)';)3)--7 @
)-9)')&'-"g+,&')7(&'-"q'
<k-)&'-"g+,)(&'-"g).-"q(&'-"
g7vjh)&'-9)';:qvfi+e)7(&')-"m-9)';T
$)-=7 0)mnT =>-3;M!m<+
GC7M';T!2-);3;9&'-')'NmT
7sn+
2.2.5. Hệ thống làm sạch lần 2

e))(-"g-9)';N-88
‰
))+e)!-9)>
'mM!'"m8nM%=:+P;
"()m!<R---2'782%8!<
 !"#$%&' "!%()
 A 
-=$|MB!)3;M3M%=:V)<>=
)+W=3:99m=-9)=m) 
2%1-9); *B-*N'€5'
<@+,7'<-9)) )'*'7'-:
1!-9)-''<+
2.2.6. Hệ thống nghiền và sàng
U#$%7@>5'<'<+
,R!7@():&')'$")'Q<+
e&')'Q<)3)**-: 7: 7@
="+J"78-4;)<7 7
&'!7@9="+c)3)*B-
*-MO '$V*$ V*
V*?)-M3M+e)')M32-
()M6)!!!)=%+,7!!$V*
1!M'-"0)+
K')T*B-B-' 
-M5@-'5<;"<k-:%()
')+K'R-8V)'+
2.2.7. Hệ thống thu hồi và xử lý tạp chất
P;'-'7@=M3;2"78
.)!d-2M()'-2@+U5'
- MB-45+
2.2.8. Hệ thống sản xuất phụ

e)3;-':-"q)&'-"q)&'-"g-':-"g
 &'m-9):A.':@>3)*B-
8
•
''*-:'T-V)'1
&')(7@:=";)'*'97'-:7)
'<7M9)< 7)'3:99-8V)
'+,N-8''OO<-8'+
2.2.9. Hệ thống phụ trợ
U:()'78  78!7@s
3:O3:9L
jU7@sl27@ MBL
jU3:Ol$>=-L
jU3:O MB-45+
 !"#$%&' "!%()
 B 
jUl27*)&'+
CHƯƠNG 3. TÍNH CÂN BẰNG VẬT LIỆU VA
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3.1. Kế hoạch sản xuất của nhà máy
I'-'26'+GQk(
>-|'M$A MB+I-'_)+
6ULG(l
c_+q+c52()'
, q g _ x f v y h o q` qq qg K6'

e-' gy qo gy gf gv gv gv gy gx gy gv gv _`v
e) hq fy hq yf yh yh yh hq yg hq yh yh oqh
3.2. Tính cân bằng vật liệu trong công đoạn làm sạch
I=-M)")-':D
-
ˆqo`2=-„
,!k-:2-_xi
~ !!-::2)l
•,:2S '`fi
•,:2m 'q`i
•,:2- 'qxi
•,:2m '`gfi
•,:27'-: '``fi
•,:2:-) '`gi
c_+g+,k-'-:2!=-
I=-
,:2
SD
,KI
,:2
m
D
,KIm
,:2
-
D
,K\
,:2
m
D

,Kƒe
,:2
7'-:
D
,KW\
,:2
:-)
D
,KI\
,k-:2i `f q` qx `gf ``f `g
\:2
X2„[
`of qo gvv `xyf ``of `_h
,O-:2)'-l
D
,K
ˆ`of•qo•gvv•`xyf•``of•`_hˆvxvX2„[
3.2.1. Nam châm I
~#)73))'*'b;-:27'-:)-
v`iO-:27'-:+
 !"#$%&' "!%()
 O 
D
W\b
ˆD
,KW\

q``
v`
ˆ``of

q``
v`
ˆ``fyX2„[
3.2.2. Sàng tạp chất lần I
\=-'Ql
D
P,Kb
ˆD
-
pD
W\b
ˆqo`p``fyˆqhoox_X2„[
~#}-:2)::2-"bT-:)'"
:2k-)l
•,:2mv`i
•,:2-v`i
•,:2mg`i
c_+_+,d--:2)::2-"b
\::2 ,:2m ,:2- ,:2m
,k-:2i v` v` g`
\:2X2„[ qqx qfov ``of
,O-:2):':2-"bl
D
,Kb
ˆqqx•qfov•``ofˆgh_qX2„[
P>-=-)7m:2-"bl
 D
’),Kb
ˆD
P,Kb

pD
,Kb
ˆqhoox_pgh_qˆqhyqqgX2„[
3.2.3. Nam châm II
~#}73))'*'bb;-:27'-:)-
g`iO-:27'-:!M)"+
D
W\bb
ˆD
,KW\

q``
g`
ˆ``of
q``
g`
ˆ``qoX2„[
3.2.4. Sàng tạp chất lần II
~#)%7-7=-N@ -V)N
-V)3)@ )'*'-`gi+,;-=-:
2-"bb-l
D
P,Kbb
ˆD
’),Kb
pX`g
qo`
q``
[pD
W\bb


ˆqhyqqgpX`g
qo`
q``
[p``qoˆqhvyq_X2„[
~#7=-3):2-"bb-:2m:2-
1-:TMB-:X‘)-x`i:2-x`i:2mMB-: [
-:g`i:2m+
c_+x+,d--:2)::2-"bb
 !"#$%&' "!%()
 Q 
,:2 ,:2m ,:2- ,:2m
,k-:2 x`i x`i g`i
\:2X2„[ `yv q`vx ``of
,O-:2)::2-"bb-l
D
,Kbb
ˆ`yv•q`vx•``ofˆqoqoX2„[
\=-)7m:2-"bb-l
D
’),Kbb
ˆD
P,Kbb
pD
,Kbb
ˆqhvyq_pqoqoˆqhxyoxX2„[
K}f`i=-)!T3)'f`i=-T3)
'4:+
3.2.5.Máy tách đá
~#-:2m)Xv`i-:2

m!M)"[
\=-'l
D
PG,ƒ
ˆD
’),Kbb

q``
f`
ˆqhxyox
q``
f`
ˆog_oyX2„[
\:2m):'-l
D
,KG,ƒ
ˆD
,Kƒe

q``
v`
ˆ`xyf
q``
v`
ˆ`ghfX2„[
\=-)7m'-l
D
’)G,ƒ
ˆD
PG,ƒ

jD
,KG,ƒ
ˆog_oyp`ghfˆogqqgX2„[
3.2.6. Máy chọn hạt
\=-'4:ˆ-=-'l
D
PGKU
ˆog_oyX2„[
\:2:-)):*-lD
,KI\
ˆ`_h2„+
\=-)7m'4:l
D
’)GKU
ˆD
PGKU
pD
,KI\
ˆog+_oyp`_hˆog`qyX2„[+
3.2.7. Máy gia ẩm lần 1
~#)%7-7=-N'4:'3)@
 ')&'-"q-`qi+
\=-')&'-"q-l
D
PG~Zq
ˆXD
’)G,ƒ
•D
’)GKU
[

q``
q`q``
−

D
PG~Zq
ˆXogqqg•og`qy[
q``
q`q``
−
ˆqh_oxfX2„[+
F&'M)"()-9)';Œ
q
ˆqgi)7)&'-"qlŒ
g
ˆqffi
\=-)7m')&'q-(&'-l
 !"#$%&' "!%()
 S 
D
’)G~Zq
ˆD
PG~Z

g
q
q
q
X
X

−
−
ˆqh_oxf
qff`q
qg`q
−
−
ˆqoqfvxX2„[+
3.2.8. Máy gia ẩm lần 2
~#)%7-=-N-(&'-"q3)@ 
')&'-"g-`qi+
\=-')&'-"g-l
D
PG~Zg
ˆD
’)G~Zq

q``
q`q``
−
ˆqoqfvx
q``
q`q``
−
ˆqoq_ygX2„[+
F&'-9)';')&'-"gM}&'-9)';7)7m')&'-"
qlŒ
q
ˆqffi+
F&'-9)';)7)&'-"glŒ

g
ˆqvfi+
\=-)7m')&'-"gl
D
’)G~Zg
ˆD
PG~Zg

g
q
q
q
X
X
−
−
ˆqoq_yg
qvf`q
qff`q
−
−
ˆqo_vvxX2„[
3.2.9. Máy xát vỏ
~#)%7-7=-N-(&'-"g3)@
 'm-`qi+
\=-'m-l
D
PGP
ˆD
’)G~Zg


q``
q`q``
−
ˆqo_vvx
q``
q`q``
−
ˆqo_xy`X2„[
~#)%:'m-`fi+\:2):'ml
D
,KGP
ˆD
PGP

q``
f`
ˆqo_xy`
q``
f`
ˆ`ovyX2„[
\=-)7m'ml
D
’)GP
ˆD
PGP
pD
,KGP
ˆqo_xy`p`ovyˆqogf`_X2„[
3.2.10. Nam châm III

~#-7'-:1-:Xg`iO-7'-:[)M+
\:27'-:):*l
D
W\bbb
ˆD
,KW\

q``
g`
ˆ``of
q``
g`
ˆ``qoX2„[+
\=-)7m)'*'bbb<l
D
’)IKbbb
ˆD
’)GP
pD
W\bbb
ˆqogf`_p``qoˆqogxhxX2„[+
3.3. Tính cân bằng trong công đoạn nghiền thô
\=-:8:<-D
e
ˆqogxhxX2„[+
3.3.1. Hệ nghiền thô I và rây tương ứng
(2*VWY0/8
 !"#$%&' "!%()
  
I=-'<8b-q``i=-:XD

e
[+
ƒ!l D
PI,b
ˆD
’)IKbbb
ˆqogxhxX2„[+
2*VWY0.(
~ l
•,d-i=-'<8bb-vvyfi+
•,d-iM-:bb-ghi+
•,d-i=--'2'2'-wI
q
-gqgi+
•,d-i=)-'2'2'-wI
g
-o`i+
•,d-i=-O)3;<*-``fi+
•,d-iM-49-`gi+
c_+f+,k--=-)7m<8b*.V
Nguyên liệu ra Thô II Bột II N
1
N
2
Tổn hao Cyclon
,d-i=
-:Xi[
vvyf gh gqg o` ``f `g
\ =  - )
X2„[

qghxh_ f_ho x`vf_ qy_gx ``ov `_hf
,O&'=-:D
e
)l
Kiˆvvyfi•ghi•gqgi•o`i•``fi•`gi•ˆq``i
3.3.2. Hệ nghiền thô II và rây tương ứng
(2*VWY0/8
\=-'<8bbM}vvyfi=-)N'
<8b+I=-=-'<8bb-l
D
PI,bb
ˆ
vvyf
qogxhx
q``
×
ˆqghxh_X2„[+
2*VWY0.(
~ l
•,d-i=-'<8bbb-_oxi+
•,d-iM-:b-ffi+
•,d-i=--'2'2'-wI
x
-qx`i+
•,d-i=)-'2'2'-wI
g
-yfi+
•,d-i=-O)3;<*-``fi+
•,d-iM-49-`_i+
c_+v+,k--=-)7m<8bb*.V

Nguyên liệu ra Thô III Bột I N
4
N
2
Tổn hao Cyclon
,d  -  i      =
_ox ff qx` yf ``f `_
 !"#$%&' "!%()
  
-:Xi[
I=-)X*
‰
„)
•
[
yfh_y q`fhy gvoxh qxx_v ``ov `fyy
,Oi&'=-:D
e
)l
Kiˆ_oxi•ffi•qx`i•yfi•``fi•`_iˆvvyfi
3.3.3. Hệ nghiền thô III và rây tương ứng
(2*VWY0/8
I=-'<8bbb
•,N<8bbl _oxi
•,N!I
q
l hohi
•,N<'Bbl gyi
 Kiˆ_oxi•hohi•gyiˆfq`hi=-:D
e

D
PI,bbb
ˆD
e

q``
`hfq
ˆ
fq`h
qogxhx
q``
×
ˆo__gqX2„[+
2*VWY0.(!
~ l
•,d-i=-'<8bP-gvv_i+
•,d-iM-:b-xfi+
•,d-i=--'2'2'-wI
_
-qgfi+
•,d-i=)-'2'2'-wI
x
-yi+
•,d-i=-O)3;<*-``fi+
•,d-iM-49-`xi+
c_+y+,k--=-)7m<8bbb*.V
Nguyên liệu ra Thô IV Bột I N
3
N
4

Tổn hao Cyclon
,
”
-=
Š
i=
-:Xi[+
gvv_ xf qgf y` ``f `x
\ = - )
X2„[+
xhvfg hggq ggh_y qgyho ``oq `y_q
,Oi&'=-:D
e
)l
Kiˆgvv_i•xfi•qgfi•y`i•``fi•`xiˆfq`hi+
3.3.4. Hệ nghiền thô IV và rây tương ứng
(2*VWY0/8
I=-'<8bPD
I,bP
•,N<8bbbl gvv_i
•,N!I
x
l xfi
 !"#$%&' "!%()
 : 
P>l Kiˆgvv_i•xfiˆ_qq_i=-:D
e
+
D
PI,bP

ˆ
_qq_
qogxhx
q``
×
ˆfoog`X2„[
2*VWY0.(
~ l
•,d-i=-'<'BbP-y`i+
•,d-iM-:bb-x`i+
•,d-i=-<'BP-ohi+
•,d-i=-)>m-ooi+
•,d-i=-O)3;<*-``_i+
•,d-iM-49-`xi+
c_+h+,k--=-)7m<8bP*.V
Nguyên liệu ra Bột II Mịn IV Mịn V Đập vỏ Tổn hao Cyclon
,d-i=
-:Xi[+
x` y` oh oo ``_ `x
\=-)
X2„[+
yvoo q_xyx qhhv_ qo`fv ``fh `yy`
,Oi&'=-:D
e
)l
Kiˆx`i•y`i•ohi•ooi•``_i•`xiˆ_qq_i+
3.3.5. Hệ nghiền thô V và rây tương ứng
(2*VWY0/8
I=-'<8Pl
,N'>mlKiˆhhhi=-:D

e
+
D
PI,P
ˆ
hhh
qogxhx
q``
×
ˆqy`o_X2„[
2*VWY0.(
~ l
•,d-i=--''-ffvi+
•,d-iM-:bb-_`i+
•,d-i=-O)3;<*-``gi+
•,d-iM-49-`_i+
c_+o+,k--=-)7m<8P*.V
Nguyên liệu ra Bột II Nghiền vỏ Cyclon Tổn hao
,d-i=-:Xi[ _` ffv `_ ``g
\=-)X2„[+ fyyf q`y`g `fyy ``_h
 !"#$%&' "!%()
 < 
,Oi&'=-:D
e
)l
Kiˆffvi•_`i•`_i•``giˆhhhi+
_+x+,@-'2'2'-w
3.4.1. Sàng làm giàu tấm N
1
(2*VWY0/8!I=-!I

q
D
Iq
I=-!I
q
N<8bl
Kiˆgqgi=-:D
e
+
D
PIq
ˆ
gqg
qogxhx
q``
×
ˆx`h`yX2„[+
2*VWY0.(
~ l
•J"=<8bbb-hohiD
qIq
D
qIq
ˆ
hoh
qogxhx
q``
×
ˆqyghfX2„[
•J"-4Xqq`o`h`[)<'Bb-ygiD

gIq
D
gIq
ˆ
yg
qogxhx
q``
×
ˆq_hfoX2„[
•\=-3)!I
g
-f`iD
xIq
D
xIq
ˆ
f`
qogxhx
q``
×
ˆovgxX2„[
•\=-O)3;-``giD
_Iq
 D
_Iq
ˆ
``g
qogxhx
q``
×


ˆ``_hX2„[
•,Oi&')lKiˆhohi•ygi•f`i•``giˆgqgi
3.4.2. Sàng làm giàu tấm N
2
(2*VWY0/8!I=-!I
g
D
Ig
•,N<8bl o`i
•,N<8bbl yfi
•,N!I
q
l f`i
Kiˆo`i•yfi•f`iˆgqfi
D
PIg
ˆ
gqf
qogxhx
q``
×
ˆxq_hxX2„[
2*VWY0.(
~ l
 !"#$%&' "!%()
 @ 
•J"=-'2'2'-wI
_
-yfiD

qIg
 D
qIg
ˆ
yf
qogxhx
q``
×
ˆqxx_vX2„[
•J"-4Xqg`q_`qg`[)<'Bbb-yxhiD
gIg
D
gIg
ˆ
yxh
qogxhx
q``
×
ˆqx_ohX2„[
•\=-O)3;-``giD
_Ig
D
_Ig
ˆ
``g
qogxhx
q``
×
ˆ``_hX2„[+
•J"-4Xq``qq`[)<'Bb-vfiD

xIg
D
xIg
ˆ
vf
qogxhx
q``
×
ˆqgfqqX2„[+
,Oi&')lKiˆyfi•yxhi•vfi•``giˆgqfi+
3.4.3. Sàng làm giàu tấm N
3
(2*VWY0/8!I=-!I
_
D
I_
•,N<8bbbl qgfi
•,N!I
g
l yfi
Kiˆqgfi•yfiˆg``i+
D
PI_
ˆ
g`
qogxhx
q``
×
ˆ_hxoyX2„[+
2*VWY0.(

~ l
•J"=<'BbP-hfiD
qI_
D
qI_
ˆ
hf
qogxhx
q``
×
ˆqv_vqX2„[
•J"-4)<'Bbb-qqxhiD
gI_
D
gI_
ˆ
qqxh
qogxhx
q``
×
ˆgg`oyX[
•\=-O)3;-``giD
_I_
D
_I_
ˆ
``g
qogxhx
q``
×

ˆ``_hX2„[
,Oi&')lKiˆhfi•qqxhi•``giˆg``i
3.4.4. Sàng làm giàu tấm N
4
(2*VWY0/8!I=-!I
x
D
Ix
•,N<8bbl qx`i
•,N<8bbbl y`i
 !"#$%&' "!%()