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(dng)ǰλã(y) > „ > ˾„ > ZA­h(hun){(dio)wcҪ܅(sh)...

ZA­h(hun){(dio)wcҪ܅(sh)Ĵ_

(li)ԴKZA­h(hun){(dio) l(f)r(sh)g20120605 g[3059

1w

m(yng)N(chng)ڰbʹh(hun){(dio)ڿwL(fng)(L(fng))λÿɲ´ϴ͂(c)N÷ʽ(D1)´ʽɰbڷ픻Ïc҃(ni)ͨ䰲bλøռؿgbS޲󷽱㣻ϴʽbλ^bS޲ߣ_(ki)w󷽱ռؿg(c)ʽֱbڴbӰ푲ɹ⣬Ҳp˝񺟵İbeͮa(chn)L(fng)Ȳֱ(q)(dng)ˮˮw²øyԄ(dng)ˮˮܲχʽʹ?ji)񺟴?/P>

D1 h(hun){(dio)w

2L(fng)ȵą(sh)c~

L(fng)ȵֱD(zhun)ǃɂ(g)Ҫą(sh)cL(fng)ȫ•кܴP(gun)ϵ졢bʹú\(yn)ݔL(fng)Ȳ^(gu)鱣CL(fng)L(fng)Ȳ^(gu)С҂300600mmpܺ•CL(fng)D(zhun)ٶ7001200r/minNHD-6͙C(j)D(zhun)ٞ930r/min(dng)h(hun){(dio)ҪL(fng)ܵr(sh)ԲD(zhun)1450r/minȫL(fng)ȵ~ͣ҂NŤ~͵SL(fng)C(j)(ֱ500600mm)е͉L(fng)•͹(ji)ܵc(din)(du)~ֱ300400mmĭh(hun){(dio)҂ÈAǰʽ()~Ƭ~~(sh)~խ݆ݞСŤ^Се•ܺĺL(fng)͵c(din)

3񺟽Y(ji)(gu)c(sh)

񺟲ÃбyS(D2)(qing)Qᡣͨ^(gu)L(zhng)c^(gu)|L(fng)Ҫ໥ԇ(yn)(yu)˝񺟽Y(ji)(gu)c\(yn)Ѕ(sh)_(d)ͨL(fng)СЧʸߵĿġɱ\(yn)M(fi)Î׷Ҫ󣬝񺟵ĽY(ji)(gu)c(sh):񺟲θ߶H=68mm񺟺Ȧ=100120mmAǦ=5060L(zhng)l=/cosÿһם񺟵ēQeF370m2

D3 񺟵ĽY(ji)(gu)

4h(hun){(dio)\(yn)Ѕ(sh)Ӌ(j)

4.1eS^(gu)|L(fng)V

M(jn)񺟵ڭh(hun){(dio)ڵ

VsS=VA=Q

ʽVs^(gu)|L(fng)m/sSM(jn)L(fng)Чem2

VL(fng)ƽm/sAL(fng)em2

QL(fng)m3/s

VAɜy(c)VsɃ(yu)xS֪wwO(sh)Ӌ(j)͝Ҏ(gu)S䵽(g)郞(yu)xVs҂NHD-6͙C(j)׃ĝey(c)L(fng)L(fng)o()pʧɝضӋ(j)L(fng)^(gu)|L(fng)ٺͽЧп֪:(dng)񺟺Ȟ100mm^(gu)|L(fng)ٞ1m/sҕr(sh)񺟵pʧСL(fng)󣬽Ч@r(sh)ĝe2.38m2SeĜpС^(gu)|L(fng)ټӴL(fng)pСЧʽͣ׃Ҏ(gu)D3ʾ(dng)Ҫ߽Чʕr(sh)Vsȡ^Сֵ(dng)ҪpСͳɱr(sh)ȡ^ֵVs^(gu)r(sh)opʧм(x)СˮM(jn)҃(ni)ͨVs=11.2m/sD߀ɿ񺟺Ȍ(du)ǺͦPstӰ

D3񺟵Чʺ

4.2Чʦ

Ǟ՚^(gu)ǰĽزֵcɝضȲֵ֮

=ti-to/ti-ts

ʽУtitsM(jn)ǰ՚ĸض

toh(hun){(dio)L(fng)ڿ՚ĸضȣ

ʽ֪(ti)ɝز(ti-ts)((du)С)՚^(gu)ǰĜز(ti-to)tЧ

4.3a(chn)L

LcL(fng)ͽزֵP(gun)Ӌ(j)ʽ

L=QѡCp(ti-to)   kW

ʽСCp՚ⶨȟCp=1.01kJ/(kg)QL(fng)m3/sѡL(fng)ښܶkg/m3ȡ=1.2kg/m3

ͨh(hun){(dio)Ľزֵ(ti-to)ȿ{(dio)СL(fng)sȿ{(dio)һL(fng)٣ʮa(chn)܌L(fng)ݔһx@(du)݈(chng)ĽǺҪġֹa(chn)pʧҪL(fng)·

4.4λa(chn)ĹNL

h(hun){(dio)ĺܴСNL(li)M(jn)u(png)r(ji)

NL=(N1+N2)/L

ʽN1N2քeL(fng)Ⱥˮ늙C(j)ݔ빦kW

4.5ˮõcP(yng)

ˮõɝ񺟵ѭh(hun)ˮcl(f)ˮ(li)Q

1)l(f)ˮEcض(du)ȺL(fng)P(gun)Ӌ(j)ʽ

E=Qѡ(Xi-Xo)10-3       m3/h

ʽСXoXiքe՚^(gu)|՚ÿɿ՚ĺkg/kgɿ՚ɲ՚ʝD_(Xi-Xo)ֻͨǧ֮h(hun){(dio)L(fng)10000m3/hEֵһ0.04m3/h(NHD-6͙C(j)0.035)

2)ѭh(hun)ˮWsc񺟳ߴˮ(yng)xӝȺpHֵP(gun)Ӌ(j)ʽ:

Ws=CB+(1.01.5)Em3/h

ʽСC픲λeҪĹˮC=3.54.0m3/m2h(dng)^ɟmr(sh)ȡ^ֵBh(hun){(dio)񺟿mġ񺟺mϵ(sh)(1.01.5)ˮѭh(hun)ϵy(tng)Ҫŷcl(f)ˮıֵ(dng)ˮ(yng)xӝȻpHֵ^r(sh)ȡ^ֵEͬ]һѭh(hun)ˮԣ(yng)1.2W(li)_ˮ(du)NHD-6͙C(j)ˮ25L/min

3)ˮõēP(yng)hhˮ߶ˮ׉͹·(li)_ͨ24m(NHD-6͙C(j)34m)

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