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

ZA­h(hun){(dio)wcҪ܅(sh)Ĵ_

ԴKZA­h(hun){(dio) l(f)rg20120605 g[2966

1w

m(yng)Nڰbʹh(hun){(dio)ڿwϣL(fng)(L(fng))λÿɲ´ϴ͂(c)N÷ʽ(D1)´ʽɰbڷ픻Ïc҃(ni)ͨ䰲bλøռؿgbS޲󷽱ϴʽbλ^bS޲_w󷽱ռؿg(c)ʽֱbڴbӰ푲ɹҲp˝񺟵İbeͮa(chn)L(fng)Ȳֱ(q)ˮˮw²øyԄӹˮˮܲχʽʹ?ji)񺟴?/P>

D1 h(hun){(dio)w

2L(fng)ȵą(sh)c~

L(fng)ȵֱD(zhun)ǃɂҪą(sh)cL(fng)ȫ•кܴP(gun)ϵbʹú\ݔL(fng)Ȳ^鱣CL(fng)L(fng)Ȳ^С҂300600mmpܺ•CL(fng)D(zhun)ٶ7001200r/minNHD-6͙CD(zhun)ٞ930r/min(dng)h(hun){(dio)ҪL(fng)ܵrԲD(zhun)1450r/minȫL(fng)ȵ~҂NŤ~͵SL(fng)C(ֱ500600mm)е͉L(fng)•͹(ji)ܵc~ֱ300400mmĭh(hun){(dio)҂ÈAǰʽ()~Ƭ~~(sh)٣~խ݆ݞСŤ^Се•ܺĺL(fng)͵c

3񺟽Y(ji)(gu)c(sh)

񺟲ÃбyS(D2)Qͨ^Lȡc^|L(fng)Ҫ໥ԇ(yu)˝񺟽Y(ji)(gu)c\Ѕ(sh)_ͨL(fng)СЧʸߵĿġɱ\MÎ׷Ҫ񺟵ĽY(ji)(gu)c(sh):񺟲θ߶H=68mm񺟺Ȧ=100120mmAǦ=5060Ll=/cosÿһם񺟵ēQeF370m2

D3 񺟵ĽY(ji)(gu)

4h(hun){(dio)\Ѕ(sh)Ӌ

4.1eS^|L(fng)V

M񺟵ڭh(hun){(dio)ڵ

VsS=VA=Q

ʽVs^|L(fng)m/sSML(fng)Чem2

VL(fng)ƽm/sAL(fng)em2

QL(fng)m3/s

VAɜyãVsɃ(yu)xS֪wwO(sh)Ӌ͝Ҏ(gu)񣬌S䵽郞(yu)xVs҂NHD-6͙C׃ĝeyL(fng)L(fng)o()pʧɝضӋL(fng)^|L(fng)ٺͽЧп֪:(dng)񺟺Ȟ100mm^|L(fng)ٞ1m/sҕr񺟵pʧСL(fng)󣬽Ч@rĝe2.38m2SeĜpСӣ^|L(fng)ټӴL(fng)pСЧʽ׃Ҏ(gu)D3ʾ(dng)Ҫ߽ЧʕrVsȡ^Сֵ(dng)ҪpСͳɱrȡ^ֵVs^ropʧӣмСˮM҃(ni)ͨVs=11.2m/sD߀ɿ񺟺ȌǺͦPstӰ푡

D3񺟵Чʺ

4.2Чʦ

Ǟ՚^ǰĽزֵcɝضȲֵ֮

=ti-to/ti-ts

ʽУtitsMǰ՚ĸض

toh(hun){(dio)L(fng)ڿ՚ĸضȣ

ʽ֪(ti)ߣɝز(ti-ts)(С)՚^ǰĜز(ti-to)tЧߡ

4.3a(chn)L

LcL(fng)ͽزֵP(gun)Ӌʽ

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)ʮa(chn)܌L(fng)ݔһx@݈ĽǺҪֹa(chn)pʧҪL(fng)·

4.4λa(chn)ĹNL

h(hun){(dio)ĺܴСNLMur

NL=(N1+N2)/L

ʽN1N2քeL(fng)Ⱥˮ늙Cݔ빦kW

4.5ˮõcP

ˮõɝ񺟵ѭh(hun)ˮcl(f)ˮQ

1)l(f)ˮEcضȡȺL(fng)P(gun)Ӌʽ

E=Qѡ(Xi-Xo)10-3       m3/h

ʽСXoXiքe՚^|՚ÿɿ՚ĺkg/kgɿ՚⣬ɲ՚ʝD_(Xi-Xo)ֻͨǧ֮ңh(hun){(dio)L(fng)10000m3/hEֵһ0.04m3/h(NHD-6͙C0.035)

2)ѭh(hun)ˮWsc񺟳ߴˮxӝȺpHֵP(gun)Ӌʽ:

Ws=CB+(1.01.5)Em3/h

ʽСC픲λeҪĹˮC=3.54.0m3/m2h(dng)^ߡɟmrȡ^ֵBh(hun){(dio)񺟿ȣmġ񺟺mϵ(sh)(1.01.5)ˮѭh(hun)ϵy(tng)Ҫŷcl(f)ˮıֵ(dng)ˮxӝȻpHֵ^rȡ^ֵEͬϡ]һѭh(hun)ˮԣ(yng)1.2W_ˮNHD-6͙Cˮ25L/min

3)ˮõēPhhˮ߶ˮ׉͹·_ͨ24m(NHD-6͙C34m)

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