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ϺY{(dio)޹˾gӭ㣡 Ϻ K Ͼ ղرվ | ھr | վc؈D | “(lin)ϵY |
YYӍ
λã > „ > {(dio)֪R >
L(fng)ϵy(tng)O(sh)ӋO(sh)Ӌ棬ĩO(sh)O(sh)ӋxһrSֻoO(sh)ӋһЩL(fng)CPܵO(sh)̖ߴ煢(sh)ȗlȻ׌O(sh)Ӌ߸(j)O(sh)ӋrlMx

1ȫӉo

l 1)ȫַQL(fng)Cĉ^ָλwewͨ^L(fng)C@õλPa,mmH2O

H=ρν.ν/2 H=ν.ν/1.69

2)Ӊָλwewͨ^L(fng)C@õٶӶ(do)Ӌ㹫ʽ

l3)oo=ȫ-Ӊ

ע⣺L(fng)CoL(fng)CڵoҲL(fng)CcMo

l4)Cָ{(dio)O(sh)L(fng)ʣ^|(zh)ǿ۳{(dio)O(sh)ĉ^pʧ

l5)o˷



2L(fng)܃(ni)L(fng)ٵĴ_

l L(fng)O(sh)ӋҪL(fng)ܳߴĴ_L(fng)pʧӋ㣬L(fng)ٵĴ_c߾P(gun)ȑ(yng)_L(fng)L(fng)ٵĴ_cͶYϵy(tng)\Mú͚•P(gun)L(fng)ٿɅ±

L(fng)xñ

3L(fng)ܳߴx

l 1)L(fng)eĴ_

{(dio)gL(fng)֪r_L(fng)ܵߴķЃɷNٶL(fng)ٷͱ跨ٶٶȷ^F(xin)B֮

ȑ(yng)֪{(dio)L(fng)(ǰķ)Ȼ(j)Ŀ{(dio)L(fng)ϵy(tng)L(fng)ֵ(ٶL(fng)еL(fng)ͨ^ʽӋL(fng)e

_L(fng)Ĺ܏(Aֱιܵ߅L)

L(fng)eӋ㹫ʽ

F=L/(v×3600) m2 (6-2)

ʽ L--L(fng) m3/h

l磺{(dio)ϵy(tng)L(fng)L=7200m3/h{(dio)•ֵҪ60dBF(xin)bһL(fng)ԇ_L(fng)ܳߴ

ٶL(fng)L(fng)ٱ֪{(dio)ϵy(tng)L(fng)L(fng)]ֵ6~9m/sF(xin)ȡ8m/s

L(fng)eӋ

F=L/(v×3600)=7200/(8×3600)=0.25 m2

d=m*√4F/Π

ÈAL(fng)ֱʽӋ

ʽ π——A π=3.14

F——L(fng)e m2

D=0.56m=560 mm

÷L(fng)߅L(yng)

A=√F=√0.25=500mm



{(dio)L(fng)ܺO(sh)r豣أ(1)pĴҲ(jng)r;(2)pĴʹ܃(ni)|(zh)ض_Ҫr;(3)ܵͨ^҃(ni)՚Ⅲ(sh)ҪƵķgڹܵɢʹ҃(ni)(sh)_Ҏ(gu)ֵr;(4)ܵܽY(ji)¶r

غȣ

һ{(dio)¶ȣ

PEF壺10~15mm

ޣ25mm

һǿ{(dio)ȣ

PEF壺25~30mm

ޣ50~60mm
һƪxُͥ{(dio) һƪe{(dio)ʹ÷
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a(chn)Ʒģ
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