Đồ án chuyên ngành 1 thiết kế hệ thống điều hoà không khí cho văn phòng hoa sen group




 

  !"
#$"%&$
'
()*&+, /012./+34
&( &&(
 
 
Hồ Chí Minh, ngày 23 tháng 11 năm 2014




555676555
89:8;<(

=4>?@ABC6AD.*@*34
EEEEEEE
(F
  

  
!"#  !"
#$
$ %&'()*+,-*
 )&.(/0,1(''2,$
 3,4'5.67($8149($

:$ (*;)&)&<=.>2+*?
@A($
B$ 1C*>(D*?(A(EF
$ G((()0*?HH$
I$ 1-JC.(/0$K(A(*+'=**L$
*$ 4@A(()*?(F*+M0$
D$ =  *  (F  I3  N*+D2O(  (P  IJP  C  (A(
()$$$Q
2$ R&,4.6COJ.8*C* S&$
T$ U-JC.(/V(W=.>*+)&2+@A(
I(F.>$
$ 1C*IAXRAXI&,4(FI3POJ.8 S&$
$ Y*,I Z*E.32+[\.3,I
'<]P.8CP(W'<^$
_$ (+()@:$$:$
`$ +()@:$:$:$
$ G(A  (  -  Da  ,-J  \  ,b*P
E,*c++$*+
*62*GHIAD.* GJ./KGL.*,M./CN.
,-J\,b*


Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
O9P;Q(R)S
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
Nhận xét của giảng viên hướng dẫn.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
O9P;Q(QT
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
Nhận xét của giảng viên phản biện.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
FF
UV
8C*?>'()@*?.?(*Ld(
O((.W*L*&V(FY*PYD@V(FY*.e*+=*
F*@W.8S(VFb*f*P*g-?+hC*.3

Z**f()*OX',+-J'(V(,,-S$Gi
?*g*&i5j*AV(FY*'(EP7+/A
k*5**+O(($-*'>-*l,+mV4
<(imPi;E]*m(()*C,(W/
(/6.(/0VfV4*g,jC,(W2+*?
*L*+-S(P2+O=C,(W*LV+*Vn<$i*
.i(,0E,,+*>*O&$
/>(D(FVF%HI*W./XGY1*6Z[*\./[*]4*6K^.
@*_./62&`.+61@'aOV((W(F'.8CP
*m(O=-Da<*L?(C+.e.2'7(*+2
kV(FY*Io4*V(()*+*f()*,+-J
'($
'>./((b*b2)&iV(FY*.e
Z**,+O&j]ME$,+?>(D*LI(
' Z*O=-Da*L&+, /012./+34a*b2.e
,I>(D*LI('*-J$
1-JoE/*f,[+%2G,+^$
1-J:=*-JC(FVFfO&4+C
I.?$
1-JB4+C*Il();*+*f,$
1-J(F'<4+COJ.8.(/0$
1-J_4+C*C(FI3$
1-J`(FVF4+C,p'=* S&-*$
1-J 4+C(FVF S&(i$
1-Jq\,<PIA+D-r$
7
Lời mở đầu.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
1-JoVF-C,(W./($
8

Lời mở đầu.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
b
c0(d


(FVF)&f(i.(/0VfV4*+]
0%62&`.'$

l*L*&'7(V(FY*.8S(<D@kV(FY*
.e*.WCD@4+C*+>*f,*@W,+=*
F$M.i(bO((*i*C(oEJ(k'KF
=*()P(bO((,D8(P+()kV(FY*.e
*.WCD@+*f()*O$
 !"!#$ %&'
()*+',
()l,+mV4<().((imPi
;$7(U$8149(?-5E]Pf(,-S
VfV4I@(I6$*?'5.6)&.(/07(]
0%62&`.+61@''VfW(F.W7+,f(,-S
'()*+A(C(P()(*+]0'()*$FP.(/
0VfV4f(i'>?,jE,VfW
(F,+(,07+,f(,-SV4<,+'D*3
,+0$
*-./01"+2
]0 %62&`.+61@' .67( U$ 8149(P'>
,+k,]iPV(FP*4,3*L()P(
3Ff*mE,.iVFZ(S(VsV(F>(<
()P&.*C,(W7XP.S(O&
-S(D Z**+P2+..i*C*,-J7(P

PVC*O7P**-*+*j* Z*hD=
(/J().7(JPl.CY*?C,(W*L
&$
3,4.3'4*L]0%62&`.' Z*hD=7(
O&qB],d(PU-SqP\<Ub<PU$814
9($
96,-*-.fI5*$ 96,C(-.f$
96O-I5*$ 96A(-$
1+&*]0 %62&`.' Z*(FVF(V(F
,b*(0PZ'K7+,O=+A(C(()'Z($(oD()4*
6IlJ_$
:
P(*(/*+0'_PB(Ef
??P?,)P?'tP?O-Z$
9
Chương 1: Tổng quan về công trình.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
Bảng 1-1: Thống kê công năng của các tầng.
Hình 1-1. Hình phối cảnh của công trinh$
3456+7"+2
809:'
-Z*I&,4I+E*C*0PDm]*C**f'<*C*
Vf(.(/0(f(,-SI+($1j,b*-SI+
Z*' Z**+D-(IAO
Hình 1-2. Mặt cắt của tường bao công trình.
10
Chương 1: Tổng quan về công trình.
8; .<=
&;5
Re(.dh2ffPh2C0Vn<$

8+
Re(.dh2J(PE?(FOA$
><
]0$
?
]0$
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
)O&Da()λuvw$Hx,pIAB$efagh$ Z*IA
O
Bảng 1-2: Cấu trúc của tường bao.
>-@
A=BC
D5E
&.=F
DGH5IE
3J+)
P:_ PB_
KL+'
P: PB
*#
P:: P_q
KL'
P: PB
I:')
%tD@V41'+,2hPhP`P*i)O&j@y
V 
z
P _)O&Ah7{
V
zP_)O&hE|

V
zP:efaih$
M*-5:N'J
1f,*?'5.6)&.(/0VfV4P-JY
(d(V=**?.(/0*iIAO&'()D-(.$}(*C*
V=*-0CP)O(~*•(F'5.6)
&f(i$2+IAB$:ea7jhD=V(F<.>-S(-
O]0`€:u
:
w-S(x$
Bảng 1-3: Bảng thống kê diện tích sử dụng điều hòa.
8; IOHP 
Q
RD5

E
A'
D5E
@S
D5

H09E
(09
DE
&;5 Bãi đỗ xe 224,4 2,6 6 10
8+ Quầy tiếp tân và sảnh
BPB _P ` B
><
Sảnh
Pq BP` ` :

Văn phòng cho thuê
`PB_ BP` ` BB

Sảnh
BPq BP` ` `
Văn phòng cho thuê
:B_PB BP` ` 

Sảnh
BPq BP` ` `
Văn phòng cho thuê
:B_PB BP` ` 

Sảnh
BPq BP` ` `
Văn phòng cho thuê
:B_PB BP` ` 
M
Sảnh
BPq BP` ` `
Văn phòng cho thuê
:B_PB BP` ` 
T
Sảnh
BPq BP` ` `
Văn phòng cho thuê
:B_PB BP` ` 
U
Sảnh
BPq BP` ` `

Văn phòng cho thuê
:B_PB BP` ` 
V Sảnh
BPq BP` ` `
11
Chương 1: Tổng quan về công trình.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
Văn phòng cho thuê
:B_PB BP` ` 
W
Sảnh
BPq BP` ` `
Văn phòng cho thuê
:B_PB BP` ` 
X
Sảnh
BPq BP` ` `
Văn phòng cho thuê
:B_PB BP` ` 
Y
Sảnh
BPq BP` ` `
Văn phòng cho thuê
:B_PB BP` ` 

Sảnh
BPq BP` ` `
Văn phòng cho thuê
:B_PB BP` ` 
12

Chương 1: Tổng quan về công trình.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
Hình 1-3: Mặt bằng tầng trệt.
13
Chương 1: Tổng quan về công trình.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
Hình 1-4: Mặt bằng tầng lửng.
14
Chương 1: Tổng quan về công trình.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
Hình 1-5: Mặt bằng tầng 1 đến 11
15
Chương 1: Tổng quan về công trình.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
bk
lb  (&!
mTV
Z0[5"+09!"!-'09.\]6
IJ5 !"!
(/+VfV4'>V+*(*Y*C*
-JCP*f)(FI3.W7+,>f(,-SVf
V4mZ(*f)OAhjP*FI(F+6*()(.&((
*+-S($+(()@D,().>,+Vf(*?
.(/+pY**?P)&.(/+VfV4*0A((k
.>;P.>O7*P.>8O='-fZ'4*LD0VfV4
,+Vf(.(/02+M,-SZ*@W$
i(*P*iW*(VC(().(/+VfV4-S Z*
(-S(OtD@B'+7((*C*>(D,>•VC*

(/(FVfV4-SDm.W(F'<f(,-S4*

Z(()*IA+EACi*P(FI3.CY*?*L
k*f)OAhjP*FI(F*@W$
(/+VfV47+,*C*f(,-S()(*+*C*
O(+7*L*+-S($
(/+().>l7+,f(,-S*i().>4*
Z$
,7C(VfV4 Z*I(W3Ip(().>tP.>;-J.&(
ϕ
P&*.>
ω
P.>,+O7*8.>*j.>*7(*m.>8$1C*
.7('-Z,*LVfV4OXC*.>(*+-S(E(,
*f)OAhj$
Z0[+#J!"!-'09
Z0[S
().>I,+*JW*+-S('f(kpB °1$W*i Z*
().>-S('fOAO(,()'-Z$,+IjVs+
*A+N+7.>PL•J($$$Q*+-S(OAO(,'-Z
()(/J'-Z()*JW*?.WD,pB °1$<'-Z
()D-M*?A(A(+f(,-SVfV4h
EMI/6I+(*JW-S(IlB-JY*,/
()O.&('-PIY*h7PIJ($
H(().>VfV4hE
VV
]'P()()E

+A
,D+.&('-IY*h7(AP*JW*+-S(=.>(F,8
f(.WIJ(-*+f(,-SP?();E


]'
.WIA+.A'fA(,>'-ZEzE

‚E

+f(,-S$
16
Chương 2: Phương án thiết kế và thông số ban đầu.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
\(*Yj,l*+-S(j+A(C(D*3V(
O&,+f(,-SVfV4*i().>
VV
z::÷:
+
1$
Z0[S^50/
\(*Yj*+-S(OX*AjD*3V(O&
,+f(,-SVfV4*i.>;-J.&(ϕzN_÷ Q%$
Z0[S!"!
I(F,lV(&*.>VfV4]P'-Z()+A,M*J
WIl.&('-
IlIJ(./]-Z*'7($&*.>mZ'P_uwOx*+
*+-S(*A(C*+A(C($,+'ƒ=*.(/+VfV4P
-S(*•E(&*.>(ip,+m'()*PY*'
mD-(:„VWMO,p'$'m(+7
.>*L*+-S(./hA,,+.i$
MZ0[_SJ6S#
1C**j.>*7(I+8*C**j*LFO
R@(…-p.F)fjPC*7(*LI@(@>*+
IA*j*LI@(P8.>V4*-**LI@($R@(*i(8

&*k*Jf*J$
H4%†
:
P1†
:
1C*V4*i8.>jVf.>*-
V(*i8.>*+'(A8.>†
:
,+VfV4P
*A(C*)‡($H(8.>EC'*iW7p$
8.>%†
:
p$8149(V+ABuˆw
B
x$
1C**j.>*7(VC*,+EC,OAhjO(+7P
,+VfV4*iW'a*C**j.>*7(-
B
P1'P1
`

`
~
k*j*i7(.FOY*V+‰*L*+-S($8.>*L1
`

`
'
B_uˆw
B

x'J,j(/O+((*;'uˆw
B
x$
Bảng 2-1: Nồng độ của các chất độc hại trong không khí tại tp.Hồ
Chí Minh.
A6S `_S
CO
2
- Khoảng 0,1 [mg/m
3
]
SO
2
- Khoảng 35 - 40 [mg/m
3
]
NO
2
- Khoảng 0,15 - 0,24 [mg/m
3
]
C
6
H
6
- Khoảng 35 - 40 [mg/m
3
]
W.C(CY*.>A-p-S(D=+8.>1†
:

*i
,+VfV4
Bảng 2-2: Ảnh hưởng của nồng độ CO
2
trong không khí.
`_SAa

Db4E
cS\0[
0,07 - Chấp nhận được ngay khi có nhiều người trong phòng.
0,1 - Nồng độ cho phép trong trường hợp thông thường.
0,15 - Nồng độ cho phép khi dùng tính toán thông gió.
17
Chương 2: Phương án thiết kế và thông số ban đầu.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
0,20 - 0,50 - Tương đối nguy hiểm.
>0,50 - Nguy hiểm.
4 - 5 - Hệ thần kinh bị kích thích gây ra thở sâu và nhịp thở gia
tăng. Nếu hít thở trong môi trường này kéo dài có thể gây nguy
hiểm.
8 - Nếu thở trong môi trường này kéo dài 10 phút mặt đỏ bừng
và đau đầu.
>=18 - Hết sức nguy hiểm, có thể gây tử vong.
TZ0[S_
F*+-S('()*'D(,+V=**i.>8*+'
(?OXOO@*iW,>O&I)-O,2OOP
I8*8*C*,&('+7(C(FVC*$>8C*.>(/.F
)?V(P'A-p.FY*.><,+*f()*
+6*.J(AJ'O=Vi*3*+*+-S($<P.>8'
(*;E,VfWI‡EV((FVF)&Vf

V4.(/+().7($6*I()'*C*)&VfV4.(/+
*+*C*.(CP,/P*C*0OD(+PP]
0'()**?/.>8'E,j$
Z0[+#J!"!-.\]6
Z0[S-.\]6
().>*iA-p.F(/'+7(OA;$9>O&EC,
.0(‡(().>A(l,+>((7j.3$
Z0[S^50/-.\]6
>;*g*iA-p.F>O&OA;P*@W-O
H(.>;*+*iWj&**+OA;f()
*f()•$
H(.>;jOA;OXVfP(0Vf&+6*IJ(
'(A*j'-ZOA;+6*+@,'-ZOA;$
Z0[@!"!-.\]6
&*.>VfV4*gA-p.FOAhj-p>
V4*7VC*$H(&*.>'P,+CD)PCOA
hj(j~OA;•OXIV50+6*',&(OZ($
,+>O&,-SZOA;IJ('(A*j
'-Z$
MZ0[S+'.#!"!
9>O&OAhj.0(‡(I5I>*A(=*()VfV4
,+0*=*V,+O7*-OAhj.()tICDaP
,C(PE*P*~>O&=*;*g.0(
‡(*+/.>,+O7**LVfV4P,C'I;=*;$
>Od6 !"!'"+2
18
Chương 2: Phương án thiết kế và thông số ban đầu.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
1j.(/+ Z*'+7(2+Y*.>E,*L)
&.&((*f,)&.(/+VfV4*j#)

&.(/+*iVA]D,*C*fO&4+C,+
((7(fO&+(,S($
 )&.(/+VfV4*j##)&.(/+*iVA
]D,*C*fO&4+C,+(O(O&VfEC
:(S,+>]$
 )&.(/+VfV4*j###)&.(/+*iVA
]D,*C*fO&4+C,+(O(O&VfEC
(S,+>]$
HC(()/Y*.>E,*•4-J.&(
Vf,,$1Y*.>E,'2+*?*LVC*
.(/V()=*F*L*f,$(-S(-S
*)&.(/+VfV4*j###*+?F*C*)&
.(/+,=*F$
'*f,]0'()*.0(‡(VfECV5
V2/().>P.>;$Š+.iP*)&.(/+VfV4
*j###.W(FVFP'5.6*+*f,$
>OdJ".'J
Ad".!@
Š+4*jV=*.3'KpU$19Vf*im.fp
,+.8C*•4(FVF)&.(/0VfV4*+
m‹$
Ad".'J!"!+'
2+(*;1_`q :().>.>;VfV4
,+04*Z*+*+-S(+m‹'
9m‹

zN:BŒ:`Q
+
1Pϕ


zN`Œ Q•$
1fO&.W4+C'
().>VfV4,+

z:_
+
1$
>;-J.&(,+ϕ

z`•$
Ad".'J!"!'
fO&().>.>;4+C+(,S( Z**2+
1_`q :$1fO&4+C+(,S(*+V=*
U8149((O(O&V+AB_w]-J J_$
().>VfV4+(,S(

zB_P
+
1$
>;-J.&(+(,S(ϕ

zP •$
M*C*fO&,P4 Z**C*fO&V4<I.?
-IA:$$
Bảng 2-3: Thông số tính toán trong nhà và ngoài trời.
(nI+] *GHIX= =op $.I2.@q )1./op
19
Chương 2: Phương án thiết kế và thông số ban đầu.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
e

6
h erh e[st[/[[h e[/t[/[[h
+6./.*Z
uv
:_
+
1 `• _q $:
/6ZGI+wG
uv
B_P
+
1 P • qBP_ $q
AJ".'eJ+2f^5f
1C*)O&4+CV )O&OtD@Vf.8S(*L
?.>*JP(FI3.()P@A(*L.‹()D+*+
-S(‡,$
Bảng 2-4: Hệ số tính toán và hệ số không đồng thời.
*GxIynIz2
.*GHI
H{WI].*
I6|.e[
II
h
H{W{}C~./[*\./X•./
I*wGe.
X
h
>*JP(FI3
.()
 Pq

‹  Pq
()D+-S(
‡,
 Pq
M>Od0/Jg!g
]0[62&`.+61@^*iV4*-**C*fO&.e
*+-,P*iWOtD@*C*-JC*C.(/+
O
MJB'J+9
9C Z*(A
9A,+N(D++,(Q8>(/V&(,+*i
*YDIJ(ND'7Q*0('V&('7$
9A+(,S(N+D++,(Q8>V&(,+*i*Y
D-NDiQ$
- Ưu điểm:
‚9C.(/0,S(*+„'5.6p(/Vf(VC*
$
‚G(C,‰P.J(APDOtD@P<P'5.6$
‚()'Z(*+*C**f,‡•>(.$
‚ŠDOtD@PIA+D-rOt*k$
- Nhược điểm:
‚H+A*C*DiD'77*FNVfEC:Q$
‚1fOjC7*FN&(.'`$RŽwQ$
‚G(A(()Il(i()EAVf*+$
20
Chương 2: Phương án thiết kế và thông số ban đầu.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
‚&((*f,'PDmCDCrV(F,b**f
,PjnE$
MJB'=#!

9>V&(,+NV&('7Q*iW.6.Y+6*,2+P>
V&(+(,S(NV&(iQ$+7(*i]Oj'7M‡$
i*i.6*.(W*LC.(/0:AP+(,*0*i*C*-
.(WVC*-
(FV()Vf('5.6(i$
1.()8P(A*(4'5.6$
MJB'!4KhKiK+:)h)j+)+K'5)k
/*j7+C}(&-C'+7(C*,S(ƒ'8
(AA+(,S(A,+8(/V&(,+
*iDIJ(E7$%=VC*(kC.(/0D7}
C.(/0D7C*,S('(}*(/D(*(/*+
(kV&(+(,S(,+*+„,j'N*(/D(
_*(/*+QP*(/*+(k*C*V&(,+*iW(
_$<V&(+(,S(*iW.6,i**+?.W(F
V()Vf(.(/V()'CD-IlVfV4
&J$
- Ưu điểm:
‚1iVA].o(*fOj'7Il*C*.o(?O&
.()*j*+C„P&*.>E*LC„.o('-
'-Zf(*j'7*g.o($
‚(FV() Z*)& S&-*'7P-*(A(()P
*iW(FV() Z*,j(/<'()*+)&.(/
+$
‚(FV() Z*'=*S(((*f'5.6)}
.J(AJ(/O+().(/0,$
‚HA](FV()]'-Z*+ Z*,I3C„
I(F?VA].(/*•]Oj'7?-f*j$
‚(FV()*(4<)}Vf*?*f<
,+V()*(''2,*?.>(g<*()$
‚HA]=.>+C*+(FI3.J(A$

‚HA]Ot*kIA+D-r,j].>*i
S(FI3*;.+C.e Z*'<,*(.6O•,+C$
- Nhược điểm:
‚HfDm*+0EC*+((7/V+A*C*
DiD'7$
‚%&'-ZD'7I3((7N`_D.&((}###Q$
‚1fOjjJO+()&.(/+v2,1(''2,N*•
V+A`UQ$
21
Chương 2: Phương án thiết kế và thông số ban đầu.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
‚3,4.6Di*?A( Z*4+CZ'KPVA]
'(.>V„$
MM&'G)+A)+l
)&.(/+VfV4(C(FPf(*j'7,+
IIJ(*LC'7''7-*N*jA('7QO.i-*
OX''7VfV4,+0*?.(/+Il(FI3,+
.o(()-•1ŽP‘Ž+6*I8$
- Ưu điểm:
‚1fOjD+.>''.F+'7$
‚)& S&-*'7*iWD(sKP.CY Z*
(*?=*F$
‚1i(/*j(AA(B€_*jw*@$&(()&'
-S(-SOtD@(/CO&*j(AA('J
(/$
‚-S(A(()Il-*+7.>I/P()EAPo
.3$
‚4*Z(*C**f,'+6*,j'$
- Nhược điểm:
‚UA(*i0C,(*+*@1(''2,$

‚UA(*i-S(*,C*@*@$
‚)&'5.6P<POtD@-J.&(Y*7$
‚U4<*+P.?-*+$
MT>Od5JB '"+2
%EC,4*6IlV(F,b*oW*+]
0 %62&`.+61@'$i*b2<j,l]
0*iV(F,b*VCb*7P.0(‡(*fOj'7-J
.&('$R*7.i(()*.(4*k-P-Z*.(W*L
*C*)&.(/0VfV4()Pi*b2EF
.3*9C.(/0VfV4''7Il-* uWater
Chiller) .W')&.(/0VfV4*+*f,]
0%62&`.+61@'
T>Od./_ !"!
T@./_'!"!
<OJ.8.(/+VfV4'hC*.3*C*EC,.o(
,7C(*LVfV4,.83#DPl@*.4*hC*.3
*C*V*?ht'K]Oj*Li.W.7 Z*,7C(
VfV4*?(F,-*V(*+o(+0$
%J.8.(/+VfV4 Z*'<,*JOp
(/V()V4<.3-JJ('5*f,

ϕ

$
’*?/()(+6**f)

ϕ

$
22

Chương 2: Phương án thiết kế và thông số ban đầu.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
1C*VFEA4*Il()\

v

$
+Ae*C*.(/V())O(+$
().>VfV4,-*V(o(+0VfD-Z*EC
jO+(().>,+0l,C*A'7*+
-S(OtD@P*@W-O


“

”u
+
1xeka7gh N:Q
(


P

().>VfV4,-*V(o(+0()
.>VfV4,+0u
+
1x$
>*(.>*+„u
+
1x$

()&.(/+VfV4o(MD-('N*i()o(
.6,+m'()*Qz
+
1ekh$
()&.(/+VfV4o(M,h&z
+
1ekh$
F.(/V())O(VfIA+.A(FOji
VfV4(().>

z

”+Ae.(/V())O(,8((
*+o(+0$
 -JV4-J(*j+0A(.AIA+.L*+-S(
0


z$
V
z$ρ
V
$
V
uVwxeka7€h N::Q
,+.i%&-S(,+0$

V
H&('-Z(i-J(*?(F**j*+>
-S(,+>.J3S((uVw-S($x$


V
-Z(i-J(*?(F**j*+>-S(,+
>.J3S((u
B
w-S($x$
ρ
V
H&('-Z,(*LVfV4Pρ
V
zP:uVw
B
x$
(P'-Z(iIoOA(M•o'-Z(i*
*j*+0,p'$
()*'<4+COJ.8.(/+VfV4 Z*(F
.&((m‹m.f-p()Pm.f
Vf'7'5Vf*?'<OJ.8m.f$-<P*•
*?'<OJ.8*+m‹*+*f,%62&`.+61@'$
TAJ./_'!"!5mn
T(/_o
%J.8•'OJ.8Vf*iC(?+VfV4M0
/(FI3ht'KVfV4$,+OJ.8+I>VfV4 
+(FI3ht'KVfV4'VfV4-J($
a.Sơ đồ nguyên lý và đồ thị.
23
Chương 2: Phương án thiết kế và thông số ban đầu.
N O
6
T

Q
T
V
1
2
3
4
5
7
W
T
O
º
V
T
N
j
N
t
N
t
T
j
T
I
d
j
=95
%
j

=100
%
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
Hình 2-1. Sơ đồ điều hoà thẳng.
b. Nguyên lý làm việc.
HfV4I+(,S(*i,7C(N

Pϕ

QE*t'j(i
*i.(/*•'P Z* +I8ht'K();N:QP7(.
VfV4 Z*ht'K2+*-J,.3O•.F>,7C(
†j.3+.i Z*E7NBQ<*W2+ S&(i
NQ+0N`QE*C*()o(N_Q$HfV47(()o(
N_Q*i,7C(OV(+0<()M;M
,8(=.o(.F,7C(N

Pϕ

Q2+(EC,ε

z\

wv

$
%.iVfV4 Z*A(,+(E*C**LA(N Q$
%J.8• Z*OtD@,+*C*,-SZO
H(V(i8(EC'P()*=*()8((iEC&V„
+6*Vf=*() Z*D+Vf(‡•$

H(Vf(.(/+*iO((/*j.>*7(P()*8((i
Vf*i'Z($
+m‹Pp-**i().>.>;I+(0
-S*+J().>.>;,+0$FP.(W
-SlI,A(*L.(W$
c. Các thiết bị chính.
(FI3ht'KVfV4PE7*j(iP)fV*j(iP
()o($
d. Kết luận.
%J.8•*i-.(W'.J(AP•PD'5.6$
Hf<D@()MVfV4A(()EAj$
-S Z*OtD@,+*C*)&J(*iCO(*C*
*j.>*Pf(+6* S&EChP*8V/VfV(F+6*
VfW=*() Z*$
T(/_ ;'!"!5S6
W<D@()*LVfV4A(-S(OtD@OJ.8
?+VfV4>*j$
24
Chương 2: Phương án thiết kế và thông số ban đầu.
Khoa Công nghệ Nhiệt Lạnh Đồ án chuyên ngành
a. Sơ đồ nguyên lý và đồ thị.
Hình 2-2. Sơ đồ tuần hoàn không khí một cấp.
b. Nguyên lý làm việc.
HfV4I+(,S(*i,7C(N

Pϕ

QE*t'j(i
*i.(/*•N'QP Z* +I8+,>NBQP7(.
VfV4+,>(VfV48(*i,7C(N


Pϕ

Q('-
'-Z

M*C*()8((iN:Q$dZ+,>*i,7C(1
OX Z* .F(FI3ht'KNQ$7(.PVfV4 Z*ht'K
2+*-J,.3O•.F>,7C(†j.3+.i
 Z*E7_<*W2+ S&(i`+0qE
*C*()o(N Q$HfV47(()o(N Q*i,7C(O
V(+0<()M;M,8(=.o(.F,7
C(N

Pϕ

Q2+(EC,ε

z\

wv

$%.iP>?Vf
V4 Z*A(,+(E*C**LA(:>?'Vf
V4 Z*E78((ib/E*C*()bNQ2+V(i
NQ$
c. Các thiết bị chính.
\7*j(iPE78((iP(FI3ht'KVfV4P(FI3Oj
VfV4*j##P)&V*j(iP8((iP()o(
()b$

d. Kết luận.
Š+*i<D@()*LVfV4C(?+]
Oj'7]Oj'Vf(AO+(OJ.8•$
%J.8*iC(?+VfV4*(4.?-]$
)&.0(‡(A(*i(FI3OjVfV4*j##.WOj
iVfV4V(Vf+Ae.(/V())O(D+.i
VfV(F$
T(/_;'!"!6
WV5*@*-Z*.(W*LOJ.8>*jD+A(*i(FI3
OjVfV4*j##V(,7C(Vf+Ae.(/V())
O(P-S(OtD@OJ.8(*j*iW.(/*•().>
VfV4o(+0Vf*?*i(FI3Oj$
25
Chương 2: Phương án thiết kế và thông số ban đầu.
ON
1
4
V
8
6
Q
T
T
W
T
5
7
12
O
≡

V
I
ϕ
T
d
T
t
T

N
N
t
N
2
3
C
L
N
L
T
9
10
11
+
L
N
L
T
ϕ
=95

%
ϕ
=100
%
C