Đồ án xử lí ô nhiễm không khí


CHƯƠNG I. TỔNG QUAN
1.1 Sơ lược về xi măng :
Xi măng !"#ciment$%&'!()*+&,-&./%01&&
2&345.&&6/778%#96:!#;&8<<&=>*46&&
#>?)*@68%./%A(.B%C!#,@5(/D+=%
&)6&&D>#E)*@65C0F,GH4=!D6,@%H4=@6
&?,I&J&KL,-&A(.8LM&@&N,A8%,AO,',
=&'!(&(98<<&5C,-&!#8%//.&'!
()*+&
*7M&(K,ID>'C%,88%,'DP5/%46N6
&Q(KHRDF8%S,I%*7M,2&T
1.2 Tổng quan ngành xi măng
1.2.1 Ngành xi măng trên thế giới:
2!!<4/UCH6VWWWXVWWY$0<&8%/6,/.#
4IO,8%&@7<&;Z8%/2![\]7(KC4/
UC4^.,\* C4^8%%,A+&H64B;&,E*%
&M#C#4I.ADJ<&,6#4I4_J&5
`65aA5b(/3D6c47!<M6*&@/>defW<&D>'
C5*7&&<&&@%&M#C&!D>-<&)6!<
A&824_J&5aA8%ADJ<&8+&6]%`68%
b(/3D6$
3/(+0/&GD(9C 6*,!CVWVWC%Cg5fhC
&GD(9C&@D+&7M&<U6&&8+&47!<&G&&
<&,6#4Ii5ghC547&\]0=H\jhkC5&&<&#4I'#
TehkC/%46=4.( 6&D'&)6&&%*%#O0!^l5
6]`65-&.^SF&mn$
[&<&79<C4/UCH6#>I,!4_J&5a
A5mn5L0>5%_J&565\*S665b6*65S465b465m7*&5Oo
:p5M65q[L#5"#5?&c
1.2.2 Ngành công nghiệp xi măng tại Việt Nam

1.2.2.1 Vị trí ngành công nghiệp xi măng trong nền kinh tế Việt Nam
rC%A4/U%&M#,-&=%D<'^<&6
&K8<&&%65(M5,NDF$
• %*VjkeVkesst^&\*(+%*C,G7&)6%r
CM6.>"Q
• !6*,u&@/>tW[*5,d8664+&!#D>'8%#9&89
D>'C4/&><&54/,@/>gg%87A&O&*
CM65j&*7(/658%djW&*v8%&&4.2
&
p'"7WYeejWjV
*K*_*7WYeejWjY46e
Đá vôi
Máy đập
Kho trộn đều
Máy đập
Silo đá vôi
Nguyên liệu
Silo quặng sắt
Máy nghiền
Silo trộn đều
Lò nung
Sản xuất xi măng rờiĐóng bao
Máy nghiền xi măng
Thiết bị làm nguội
SILO CLINKER
Silo xi măng
Máy đập
Silo thạch cao
Thạch caoQuặng sắt
Phụ gia

Đất sét 1
Kho chứa đất sét
Đất sét 2
Đập nhỏ đất sét
Sấy khô đất sét
Silo Đất sét 1 Silo Đất sét 2

*7D>-CD>'4/UCH6,#?,-&&G
794/<&
4/UCH6%C,@@#A#Gv8%/J&,AC
4^!M6540= eWhXeVh"=![#)&,
C%%#4I&!-&1w4-#4I!
1.2.2.2 Các loại sản phẩm chính
M6*47D>#EC474N&@2/.5*7(9
474NM66/.D>#E&
• Xi măng Portland&T%#G&%&348%#96.&&6/
(9"[gW5"[iW5"[jW
• Xi măng Portland hỗn hợp8x8<%#G&%&348%.&&6/5
/%46&QADJ%#G#96&,#(65TQy4N&&
/.C%*&@7B"[SgW5"[SiW
1.3 Bụi xi măng
4//%0AH*4=D>'C
f6,/.D6
X6,/.e:6&v
X6,/.V6&Dd0A*7M
X6,/.g25D'*#JMDJ
X6,/.i[34
X6,/.j2C
X6,/.f@@C
4/6,/.%/&z#D46098%>54/,@>,A&.&T&!A

#G4'v&Q#G<%(/09pA&8%/#D%09
^&&&,/.&@%#G5,A8%&<&&656U,R&4
&6
_*4=D>'C
p'"7WYeejWjV
*K*_*7WYeejWjY46V

1.4 Ô nhiễm không khí và ô nhiễm bụi do sản xuất xi măng gây ra
1.4.1 Ô nhiễm không khí %D+6*,O<4/%#G&)6
/R&&@D+'M&&.%&/D.&5&@D+v6K5
%>G=65\*0!,OL5\*0M&/&/N8%D8L
1.4.2 Tác nhân gây ô nhiễm:
[&/./[{5[{V5{V5{
[&-#&'6/3[5|5S4
p'"7WYeejWjV
*K*_*7WYeejWjY46g

[&&'U&dO-#}506*dC5Dd
[&H6@6"q5{g
[&&'dDdK509
M5!5#@.
1.4.3 Các hoạt động gây ô nhiễm:
Tự nhiên
/&&M-+7\*46;65&*4 O-#&&*!J\*&@
J&+74'<#\0Jd,J,,247/%!<5L#
44/A8K4/H4=#4I5&/N,u&8<&&
%*
Công nghiệp
\*%\*<'&)6&/N[&H4=\*%H4=
,J&&7M@6.&65(G5,J./46[{V5[{5{V5{5&&&'U

&d&6&*!A65095H4='/54Q4T47(\*4*2&M5&&
H4=8L&*I&&@6&'06*d509
R&,I&M#&@,A&',A&.&6/5NL#44/A
6vK*A&8%/H*4=&M5H*D>'8%7MD
(9=-&',A&.8%/.&',A&.D~&6
Giao thông vận tải
\*%\*<,J8<,R&0M^,8%,(\&
[&H4=./46&&\*%H4=,J7M,A&d[{5[{V5
{V5{5"05[&09,',&J3/4/H4=(&*I!P47 
#dM=,Ad,Jv!L,A6/<8%H*
/.&,6=5,NJ=D~\*R&/607,N
Sinh hoạt
`%\*d,Jv5&)*!%&&/.,A,'D(97M
,R&0M\*&9&0A4/AA6,=/R&8%AH6&
\\*&)*![{509
1.4.4 Ô nhiễm không khí do bụi:
- o6S9%AL#-#2.*5&@&<&v0P5.\4/(<(.
0906*509F8%&&(2#6d5@5DdK
S906*&@&<& W5WWe•eW
€06/4/5A5@8%U.4F,-&
2v5&*I,A3/IS46//R&4dJ,'8<8LJ&,O3/,
L/2RDB&509%*N\*OdR&/&dH6'#5'%
#O09.&6&/D3$(/#>&@&?6090/D&\
%*
S9F&@&<&<d
eW
€5N4d6J,'3/,L/
8<J&,AC(G2RDB&509%*N\*Od&/(65F5\*
p'"7WYeejWjV
*K*_*7WYeejWjY46i


4K5(?c
1.4.5
Phân loại bụi:
Theo nguồn gốc
•S9U&d09+709(/,A,'5;6c$
•S9+&8L09w505#'/6c$
•S9,A8L
355@&c$
•S9\./+6@6B&5&6/D5&33c$
•S9/.DF5,5&=c$
•S9w-#(/%5,;&c$
Theo kích thước hạt bụi
•:‚eW€B%09
•:ƒeWXW5e€B%DdK
•:„W5e€B%@
</.09&@&<&vdW5e

€@$^,-&U.4/#!
6&)6#O509 W5eXj

€^.#O&!sWXtWh509 j•eW€8%/,-&
,%/>46v#O5&Q09<deW€N,B.^z
Theo tác hại
3/&.&)609&@I#\46
•S9,A&&&=5)*\503…3$
•S9\*(?87z535O06c090565#66/6D/&5ADJ
(Gwc$
•S9\*09HR5&4/5&&&'#@.c$
•S9\*Dv@6#O.&65HR66c$

1.4.6 Vấn đề ô nhiễm bụi do sản xuất xi măng gây ra
 [MD>'C%A4/U%&M##4I'
M6&>82DJ-x&'-S7&.U,@@#/<82
!5uA58',24N(/D>'C,3.82%*777
8%&>H6D&G3P7;&1>IM.5+6&B
#d<#4I028U
 4/H4=&M58',24N%8M&>H*!/%0AU
#G&G!&/D+=%D>#E%4N
H656650E<&5#)*&>
p'"7WYeejWjV
*K*_*7WYeejWjY46j

H6774/,@(/09,509C,3.%
2'
 S9C^(.4'&†.vdg‡$dU4/>58%/
#O(\*0M82,N'#R&0M%-{
V
+(/<dVh
&@>C\*0MD&/#O5A0M,-&&/%0M2M#*
I5#O0!'&)6&MD>'C/%46093/@#
4'65D6FJR,'8%<&5\(G%v,'45D*/M+&
8L
 S94/%8',26>4/&M#D>'CS9
#D G!&&&,/.D>'O=5'*,56&,'DP5
2*7M52C58L&*I5-09./%4/
H4=6&%
 W5i09k',4/&,/.O= 6&,A&
 W5ei09k',28%W5WWtk'3/#d##<
 W5eY09k',0J&!#58L&*I
 `-0906*8%/6&,'DP,-&&/%,IiW

'kC$D/8<09(/6&6,5,2%*,-&>&(/,AE+
7&)6,'DP&6/ef•VWh$7\*09
 S9,'5,568%/#ON\*&&&dB&5D#>?d@6#O5
0M82'#
1.5Tính chất lý hóa của bụi:
1.5.1 Tính phân tán:
 "\%4.&)6094/5#9A&8%/4B-.09
D?&R$8%D?&&>&)6S90PdeW€D?&&>G01D?&R5&;
D~4d3/J&,A,OS9&@&<&<5D&ˆDR<dD?&&>7D~4d
3/8LJ&C(G4d&@6J&$8L*U.&@&<&<D~4dtWh
(909.&6&†eW€4/&*I,Aw\*4dJ,'&Q&&.
0PdD~06*4/54/,@09&†V€,.Y5sYkD501eWWGJ&,A&)6
.*09&@&<&e€W5WYskD$&'%*&/6'*4>^&)609
,!87&\L#8%/&dH6'#8%,!#d###Q&J09
1.5.2 Tính nhiễm điện của hạt bụi:
NI85N6&,,-&,M&&)6.09S9,R4/A,M4NgWWW
/D~0;8<J&,A&6K*3/&<&&)6.09/,@5!!MJZ0901
o,M&GZ,!&<&.09
S>ViJ&,A;09&)6,M!gWWW/
N€$
J&,A&kD$
eWW ssj
p'"7WYeejWjV
*K*_*7WYeejWjY46f

eWW ssj
eWW ssj
WeW Wss
1.5.3 Tính cháy nổ:
S9&%v(M&!#;&8</*&%<=@6B&&%.8%&%(0J&&*5(

\*O/,@7&'8M&(K6566,M5,‰&@0>/8M.UdD>'D462
09(&*5O
1.5.4 Tính lắng bụi do nhiệt:
!&/@&*I,A AJ&@M,A&6/D6J&@M,A'#d4'2D~&@
M-#G<@F,B4702RJ.dM-%*%(/D+4GF&)6&&
.(/D+>J&,A&*I,A&)6#\3/M,A
1.5.5 Tính dính kết của bụi
[&.&@<!(8%/658<,A!(&6/09&@I(x<=
4.0MŠA#G6*/%0A!0&09/,@,J8<&&!0B&5N
6N!L#<.D(93/,A!(&)6.09
:&<&.09&%vT&;&%(008%/02R!0<
U09&@fWXYW$h.&@,NvdeW
μm
=4'((x,!(0!5
&Q09&@2.47eW
μm
=(4^%dJ#
1.5.6 Độ mài mòn của bụi
A%Q&)609,R&4&/&N,A%Q/.&K8LJ&
8%&K,A09
A%Q&)609#9A&8%/,A&?5=(.5&<&8%L,A&)6
.
:/!!#>,!,A%Q&)609
1.5.7 Độ thấm ướt của bụi
A'<01<&&)6&&.09&@>^,!MH>%8M&&)6&&
!0&09I<5,R&0M%&&!0%8M&^&!,AG/%
3/&''<&&8LM4F5,-&&6%g@
- LMB&<&('<&&65.&&6/5#G<D&68%/8L
,-&/*@656/36&)6/.2$
- LM‹<&@'<&46Œ565p$

- LM‹<&*M,J#646ŒŒ5+63Œ/50$
1.5.8 Độ hút ẩm của bụi
:>C;E&)609#9A&8%/%#G@6B&&z&<&5=
p'"7WYeejWjV
*K*_*7WYeejWjY46Y

(.8%,A02R&&.09A;E&)609./,2M&&;4/&&
!0B&09I<
CHƯƠNG 2. CÁC PHƯƠNG PHÁP XỬ LÝ BỤI
2.1 Buồng lắng bụi
Nguyên tắc
+F09010F%./46,2M,I4B+&&(97.09F
+&,E*6&)6(Q47&dD^,@N6./46D+>,AA+&,E*&)6
(Q01&&C,AAR&F&)6(Q&*I,A
=e['./0F09,d8%P#
Ưu điểm:
[#!08%8L%'#
:&@0A#L&*I,A
:#>0>/4=N*7
:&@8LM(CQ
[@I7!0%.(Q
Nhược điểm:
MH>P
:Z,-&U.(0
[T,-&U.09&@&<&<(‚jW
μm

p'"7WYeejWjV
*K*_*7WYeejWjY46s


/%46&Q&@2/.0F0F09&@8&C50
F&@'&F^&650F09,AC
2.2. Phương pháp xử lý bụi dựa vào lực ly tâm (cyclon)
Nguyên lí:6098%/!03/J(x,-&F#3/#d!#
*!8<\=49&)6&/5
D~&*I,A/FJ&074/\
=49&)6&/5&.8%/J,*
=#(Q0(A-&4^7
8xU,-&&*I,A/FJ&
8%/46/%J>[&.09&
&(90^+&*\D~&*I,A82
#6%J&)6\=4954&.
8%/,@5',AC54dJ,*#
 Ưu điểm
•(94A4u5%4Ž
•:&@&!&*2,A58L%
((%
•[@I8L%0=N^M,A
47jWW
W
[5#D'<54D/O'#
D'O,509^(.
•MH>#9A&8%/D+
6*,O,A09
 Nhược điểm:
•MH>'#(J8<09&@,N(„j
μm

•:I09!(
•0%Q!0!4/(Q,A&&@d,A&

2.3. Hệ thống lọc túi vải
Nguyên lý hoạt động
p'"7WYeejWjV
*K*_*7WYeejWjY46t

:&?609H6+&;&)6H.,-&(x8%/!0B&095.,\*09
!#;&8<&&;8>,-&!!4/KB&5090&468%(8%/
02R;8ả5D6,@H6&&ỗ&ủ68ả/7478%3/
,ườố46/%Sụ0ịữở0ềặ;8ả5Dẽ4ơi xuốK&ứ60ụ#6(ướ
ế0ịọ&6ộ,ơn vịờ6ấ,ị5,ể%Dạ&;&@ể(K0ệ##4z
;,ể%Dạ&0ụ46ỏ;/ặ&&@ể(K&&D@\64*ề4/
/ặ&4z;0ằ#ươ##,ổượ&&ề(Q5/ặ&(KP,ể4z
0ụ
 Ưu điểm
• MH>09&6/I&>U.&@&<&v5&@I?(9
2/.09
• O'#D''#
• 2,d*78%&@IF#4#.%*
• "O0!4/&M#(/&#&6/8%&@I#9&8>B&
 Nhược điểm
• &*O5,A02M'#
• • >B&(0.!M,A&6/8%CQ@6B&
• :I8L%4/4NE
• [G(M&02R<
2.4 Thiết bị lọc bụi bằng phương pháp ướt
Q609!#;&8<&'v509,-&U.8%>46/%(<
(.&R0K5(/
1. S9,-&&46vN86&.B<&
2. S90;0^%<&8%&46v(Q
3. Q09D9&8%/<&8%0&646%&&0B5090<8%/.46v

(Q
 Ưu điểm
- &!./5%'#5MH>&6/
p'"7WYeejWjV
*K*_*7WYeejWjY46eW

- `B&09„We
μm
!0B&0934$
- [@I%8M&8<M,A&6/8%,AE&6/
- `<B&,-&,A&
- `%.6*%'>
 Nhược điểm
- ">0K&R
- :/63/d<&5\*34T,NJ
- :>&?6&&&'CQ58=!#>0>/8M!0

Hình 1.13. Thiết bị tháp trần có vòi phun.
eXv!05VXQ#<&5gX'&F<&5
3 XSA#L<(Q8%#\#J
2.5 Thiết bị lọc bụi tĩnh điện
:0E,-&(xH6A0A#L#\#J,8%/UJ/R&d4/
,@(B&3/49&&)6&&J&@,RU,M&+&J8<&+&\&)6,MA
&2,M!&6/<&(9&)6,M4N4702R&)6&&,M&+&D~./
%U/8%33&4/[&/8%33&4/%*D~4*2&/09,M&N!
09,-&,M&\8%0;8%/%J
MH>B&09#9A&8%/&<&.5&N,A(Q(M8%N609
14/!0
Ưu điểm :MH>&6/8<U.&@&<&&+&vW5We‡$8%
!8L%J&@I‚tt5jh5O'#D'd,J'#5&@IZ-

<5-(Q&>*8%/6*,O,-&5,A09(6/,AV5WXVjWWWWk
g
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W
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*K*_*7WYeejWjY46ee

Nhược điểm :&'I8%dI8%Z5&#0>/
(†&6/5(&*O58L%#?&.#5{…/8%{

./46^,M&+&\
Hình 1.16. Sơ đồ
nguyên lý của thiết bị lọc bụi
tĩnh điện
eX\*/.J8<&+&\
VX•/.
gXJ4B
iXL&&,M
jX\*J,'
3. ĐỀ XUẤT QUY TRÌNH CÔNG NGHỆ
S9C4'8<,N40=/>j‡5&@!(&6/7D
(9#d##B&09o,M8%!0B&09;8>
*7.&!&)6!0B&09;8>%,A02M&6/(#)*
M,A(6/,A.7&BZ0901#d##B&09o,M4'#K
-#
!0B&09o,M(.J&@,Id!0B&09o,M(.'%
 M!&)6,M4N<7%D.&Jd
 L-8<&@,AEv5@%D.&

p'"7WYeejWjV
*K*_*7WYeejWjY46eV
3
1
2
5
4
+
_
kh«ng khÝ
s¹ch ra
kh«ng khÝ
bôi vµo

=8L*&B#d##D(9!0B&09o,M(.J
SƠ ĐỒ CÔNG NGHỆ:
"6478+&&GZ096F#,R&&&9#;,I/095H.;47,N
JD~(x(Q6098%/!0B&09o,MS94dJ#&?609
D6,@,-&/5H.;D~;D.&8%%*D~3/,NJ@06*46
/%
Chương 3: CƠ SỞ LÍ THUYẾT LỌC BỤI
TĨNH ĐIỆN
p'"7WYeejWjV
*K*_*7WYeejWjY46eg
NJ
(x09
_.;
K&?6
09
!0B&09

o,M
_.,E*
#
D09
[9#;
•@>46
/%

3.1 Nguyên lí làm việc và cấu tạo của thiết bị lọc bụi tĩnh điện.
3.1.1 Nguyên lí làm việc của thiết bị lọc bụi tĩnh điện kiểu ống
['./8%*7Z%8M&&)6!0D6

!0B&0901,MA(\*/.x!(M0Pe,-&&C3/
49&&)6J/.VN&@,J4Bg=47$
\*/.,-&&&,M/%/%8<&&0A#LH6.84i8%
,-&.#,MA&28<,M!&6/5/>jWWWW4^7@%&+&\&)6!
0
p'"7WYeejWjV
*K*_*7WYeejWjY46ei

[+&(d%J/.06/0B&H6&+&\8%,-&J,'<,M
!&6/%(\*/.&&\$,-&.#,MD~./46074/J&+&(dA
,M4N.8%(Q609,H65U#\4/(QD~0
/@644*2,M&\&/.09(<&86,L#H0F#$8%k/R&
!&/N,@&&.090;82#6&+&(d5,B.4702R4/
&)6J=495'(M&8%4dJ#&?609
3.1.2 Cấu tạo thiết bị.
3.1.2.1 Vỏ thiết bị.
− v!0B&,M%0A#L&?6&&,M&+&F5,M&+&HGD5#G
09,u,-&F

− K*A&8%/&M5&'>5!%&@I%8v!001
P#P#N6*P#,R&0M$5.&507&JP#c
− v!0&@(.=J&UL6*=49
3.1.2.2 Thiết bị phân bố dòng khí.
− !0,<(Q8%<#\#J@%*!JH64B&)6
!0/&,M8=8M&#\#J,28%/&&&+&,M%,2M0F0A&,I!0
%8M&MH>
− [&!0,-&F#,RD6/&/(Q,H6!0B&,MA&&,2,R5
•<
3.1.2.3 Khung treo cực ion hóa.
p'"7WYeejWjV
*K*_*7WYeejWjY46ej

−
− <&?&C43/&&&+&/@68<4B-v8%4/HF36&@
I&B8LM%643/%P#P#N8%P#,R&0M$
3.1.2.4 Các cực điện.
\*%0A#LH64B&)6!0>^,!MD'B&&+&098%
&+&/@6
[;#>,>0>/6,2M%#>&@,A028%,A&?&dB&&G!,I&@O
B&6/4/,2M4,A(/4z0901&d6*>^&)6,M4N8%
(Q&*I,A">&@024/4N\+&&z4N
^M,A&6/
 [+&09
[+&09&G&@,A&?8%,A02&dB&&G!S2R&+&09#>‘
&@'B5&@&',AJ8%&,-&D?&4,Az09
p'"7WYeejWjV
*K*_*7WYeejWjY46ef

− S2R‘,>0>/&N,A.&)6,M4N5(&!./5(z09

&@-&,I%09(04^.(Q
− [+&09&@=&FD/5=;5=8%=&U[,-&#(94'
#O0!4/!0B&09o,MI'/.
`/.=&U[/R&m,#?,-&2*7&G,A&?5098%&
#8L*M'#
− J8<!0B&I'0>B&<N6D(9&+&09‘8%
#•
− J8<!0B&IJ%&&/.J!(M4Q585f&.N
 VWW÷gWW5&2(% gWWW÷jWWW
− LMP#&6&0/,-&D(92'54/4NCQ&@ID
(9P#T/R&-#&
 [+&/@6.
p'"7WYeejWjV
*K*_*7WYeejWjY46eY

 
Hình:các dạng khác nhau của cực ion hóa:
1- dây thép tròn; 2- dây tiết diện 4 cạnh; 3- kiểu băng; 4-kiểu lò xo; 5-kiểu dây cáp xoắn;
6-băng lật từng đọan; 7-tiết diện chữ thập; 8-9-10-11 – băng có gai nhọn; 12-dây thép
gai; 13-băng có gai hai bên; 14-băng kiểu hoa văn trang trí; 15- hình răng cưa; 16-17-
băng có mấu nhỏ ra đều đặn.)
’ -&43/% %47&KA65#6(<,-&F&&8LR
,I&+&/@64(6/,A
’ LM#>&@=&dJP#T5,5-#65c
N%P#%&6&0/
’ [&*7&GoL,J8<&+&/@6
 [@=(.&,,I./46D+#@,M&/4/6.8%&K('
 [@,A&?8%,A02&dB&&6/
p'"7WYeejWjV
*K*_*7WYeejWjY46es


’ 3/CoL&6%V@
+ @?'%&&&+&/@6&@,I#@,MA&&&
,5,-&D(94/!0B&09IJ5I'0>
=(.!(M6&)6&+&/@6@e
 !(M4Q,N VXi5,,-&/FQ6/
 !(M8w&.gXi•/R&/F,I&.%,ND@
 !(M=D6/DJ&&6
 !(M(ŠI0C
!(M6&)6(\*&+&/@6%,>0>/&+&502R#@,M&G
&@0&/0P,I#@(M&/4/6,-&.8%MH>
+ @?6%&&&+&/@6&@,I#@,M44%47&2(%
&)6&;47&2(%&)6&+&/@6&G&@U65'B&&6,2,R
%>,A02&dB&&)6(\*&+&I=&/&+&/@6/.%*%
(\*P#6@%*&T,-&D(94/!0B&09I'0>
[+&/@6,-&&!./ /.028U4/4N%8M&P#&N,A
&6/5P#D&c
3.1.2.5 Cơ cấu tách bụi ra khỏi điện cực.
[@V&d&!%(K0;68%(K+&;6&\[d&'(K0;6%/.#O
0!'8=+&,L#&)60;6.d+&;&)66&\
 [d&'(K0;6
p'"7WYeejWjV
*K*_*7WYeejWjY46et

[d&'4*2,A/%%H6*0;68%(L#,p8%/,35,34*2,A,!
,M&+&F
 [d&'(K+&;6&\
p'"7WYeejWjV
*K*_*7WYeejWjY46VW


[d&'%*((%6*,O8%ID/GDJ,L#&N,A+&,L#
<01(K0;6
3.1.2.6 Hộp sứ cách điện.
[&D?&&,M%8M&4/4N+&&dB&<4)09$K*
8%/,2M%8M&%8M&&)6!0B&,M%0A#L&&,M&@I%01
D?5.&6c
3.1.2.7 Bunke
e$[6,II4656&K
V$K/0909H28%0Š
g$[6/09
i$SA#L8L&*I09
p'"7WYeejWjV
*K*_*7WYeejWjY46Ve

6094d46 ,M&+&F5&;,-&U.N.&&#&?609
",-&!!8<@&7 jW÷YW5,I09&>*J#6(<((%
SA#L8L&*I09&@I(K0C>/R&MJP#D'&6/,I(6
0946/%
3.2. Ưu nhược điểm của thiết bị lọc bụi tĩnh điện
!0B&09o,M4'H64B,J8<%&M#M6*[;
&@2,R&,ID/8<&&!0B&09&
 “,I
− MD'%8M&&6/ηƒttXtt5th
− CD'4Ae,!8%4M
− !0&@4^+&)*+&0PjXVWW
− [@I%D.&^#'N5#'\5/R&#'(d
p'"7WYeejWjV
*K*_*7WYeejWjY46VV

− ,A094/&G%D.& 8%#G6,!jWk

− [@I+,A@6/%/%'&>&&\
 -&,I
− J2C-
− %,F
− "K-#H*D>'<
− ”7&G%D.&&6/
3.3 Sự ion hóa dưới tác dụng của điện trường
:6F&,M8%/60>&+&&)6/.,RD/D/8<6&&6
0^A<#547.&,RA,M!6'*,M!M&,
&?v.&&@(Q,M&.*H68=1U660>&+&/.
(x,M!6CMDJ,M!U66,M&+&='*,M!M&,
8L*4/.&;&,@&@(Q,M&.*H68=U660>&+&0/
@6
+/@6&@I>*463/64N-#
− +/@6>*46CMDJ,M!U66,M&+&,!A48-
H4?8<1DJ,M&)6
− S,A/@6>*46(<&(9&)6&&\J6#@.56
}d3c
4/oLB&09o,MN6?(9#d##+/@6<&
(9&)6,M!5&&#G0#\%&&/(d8%&&,M+(/5&&
/8%&&,M%*&*I,A,!&&,M&+&4('47,N,,!&&,M
&+&5&&/8%,MD~86,L#8%/&&#G4Q68%&&.09d5/
p'"7WYeejWjV
*K*_*7WYeejWjY46Vg

@6&&#G,@J&,A&*I,A5,AC&)6&&/8%(M&%C
,M!U66,M&+&&%C6C,!A<.%/,@B%
•,M!*7)–&)65,@&N,A(Q,MC4'6U660>
&+&'M66,M5B%M-+#@,M
4/B&,MN6!D?&4'M66,M01&&%&/,M

4N6,M&+&,'8<6mA,M&+&%(.'#•/R&J5
&Q(M&+&6%(\*(x
M&+&(d,M&+&F$
M  &+&  \  M  &+&  HG  6*   ,M  &+&  (\*$

p'"7WYeejWjV
*K*_*7WYeejWjY46Vi

6505(,M4N,2
&,M4N,2
M&+&(\*%,M&+&\5&Q,M&+&'6*,M&+&J%,M&+&(d
S9D~F47,M&+&'6*J7B%,M&+&F
+&!09%D.&N+&o,M&G#>&@6,2MD6
− :&?609#>,.eW/k&
− [G#>&@,M4N.A&2
3.4 Sức hút tĩnh điện − vận tốc di chuyển của hạt bụi.
<A,M#<.5&&#\/R&0/@6^,M&+&.#
,M8%#\&6%&&/(d8%\
[&/(dL#4,L,R&^G,M&+&\8%./%HGD&/4/6
H6,M&+&[&/6('− D~(&*I82#6&+&(d8%47
,N&*I,A&;86,L#8%/&&.09%&/&&.090&,M\5N
,@090;8%/&&0>&+&09_4=&,M&)6&&.09>*464'6
(/DJ-/(%*,R&8%&<&&)6&;vd2GD/8<6*&>.09
(<&4/3:!H>%G!09,-&&,M6* !(M8%/&)6!0
p'"7WYeejWjV
*K*_*7WYeejWjY46Vj