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        ݺ˶hƼ޹˾
        „
        “ϵ҂
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        Ԓ13757201268
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        ַ㽭ʡϝ^pSҶ2̖
        Ԕ ڵλã >> „ >> aƷ֪R >> ԔϢ

        ʽVC

        lrg2022-09-12x279
        һNÓˮO ʽVCՇMg_lһNÓˮO
           ʽVC

               ÓˮO                c  늺ĵ̎

          ̎

        Ŀ1 2 c3 ÓˮaӋ ǰ ̎Ӌ 

        ʽVC(5)

        ÞVSоƷ|ˮ̎OɌ⸡̎đҸPԼˮ̎иήaVÓˮ_ζȾĿһNܺõĹҺxOԓC߀ڝ{ϝsҺȡԼmڸNҺxˇ

        c1.늺ĵ̎2.ÓˮЧʸʸ3.ھSo4.Ԅӻ̶ȸBma5.ʹÉL6.Oɿ÷V

        ÓˮaӋǰ

        ʽsVÓˮCW|^V͙CеDԭƳɵĸЧҺxOйˇ̺Ԅӻ̶ȸ\BmƲ͹^̿{һϵЃcʡssһ̶Ϲʡ˽OYõԽԽVđ

        MÓˮ^󲿷xˮͨ^VVSV\MɃɗlVMɵШ΅^ɗlVʩӉuԽ^ɵե^ډե^ܵfĔD̓ɗlVλý׃aļ󲿷֚еxˮg϶ˮVɞ麬ˮ^͵ƬVžVж݁x{Vʵ׃ùεVFϵĹҺxžV_ϴʹMһڵĝsV

        ʽVCڌH̑漰ҪgָУ

         

        ̎ˮۻWˎͶ܄ݛ_ϴˮ

        ގЧV\ٶԴҪָ

        ̎urʽVCCܵҪָӰ푎ʽVC̎غܶҪwFÓˮ^ե^V\ٶV݁(СǺľ)V(͸)xˎ{ЧȷҲǎʽVCYOӋa|ľCwF˽⎧ʽVC̎Ӌ㷽ʽVCăOӋ\ЅxͶˎxһָx

        ̎Ӌ

        2.1 һN㷨ʽVCaȞҪӋㅢĝaӋM̎Ӌ㹫ʽ£

        Q=B·ξ·δ·v·s·γ·β

        ʽУQ——at/h

        B——Vm

        ξ——Vϵһȡ0.850.9

        δ——mһȡ610mm0.0060.01m

        v——VHٶm/min , һȡ36m/min

        s——λrg60min/h

        γ——t/m3һȡ1.03 t/m3

        β——һȡ≥95%

        QM=/MϺʣ×Qt/h

        Ӌ㹫ʽԿԓӋ㷽ԎʽVCaȞҪӋㅢȵγһcʽVC\ЅV\ٶ^VкܴPϵһ߀c|wճˎ{ıҲкܴPϵȵγPI߀ȡQډVCĽYOӋsεLsεVrg͉VV͸xӋ㹫ʽQcδɾPϵx񷶇310mmSʽVCH\γɵĝĺڞVȷҲ

        ԓNӋ㷽]csեεҪgҪ|Y]зӳˎ{ЧVCYOӋ\Ѕ׃،ʽVC̎ӰӋQֵ^һmڎʽVCOӋxʽVCăYOӋָ\еx

        2.2һN㷨

        ˮ͹IUˮÓˮϵyÓˮǰ茦Mмˎ{ˎ{ĿǸÓˮˮH^V迹ֵVrëˮrgCST

        V_ʼrVҺ횿˷^V|VVuγɺ߀횿˷VٞV^VĻʽøҺwͨ^VӵĻԭƌĿTCarman^V́M^Vaʣ̎Ӌ

        T^Ṿ

        (1)ʽУV——VҺwe m3

        t——^Vrg s

        P——^VPa

        A——^Vem2

        μ——VҺĄճPa·s

        ω——V^λweVҺ^V|Ͻĸɹwkg/m3

        r——m/kgVxλ^Veφλ؞Vе

        Rf——^V|迹1/m2

        ωĶxɌʽ

        2ʽУQ0——M̎m3

        Qf——VҺm3

        Ck——Vйw|kg/ m3

        ҺƽPϵQ0= Qf + Qk

        ƽPϵQ0C0= QfCf+ QkCk

        ã3ʽУC0——Mԭйw|g/L

        Cf——VҺйw|g/LÓˮϵyһҪw≥95%CfֵСHӋrȡCf =0

        Qk——VL

        ^VaʵĶxλrgȆλ^VeϮaĞVkg/(m2·s)kg/(m2·h)

        Ӌ㷽O^V|迹Rf=0tT^Ṿ1ʽ׃飺

        4OV؞WtW=ωVV=W/ω루4ãʽVC̎LԽ^ӋVأ飺(kg/m2.s)

        55ʽ鎧ʽVC̎һNӋ㹫ʽ

        ڳˮSÓˮϵyཛˎ{ırڣ14×1012m/kgҾͨ^yrֵ_^ļˎЌڎʽVCһͨ^ˎ{ı迹r(13)×1012 m/kgxÓˮr=(24)×1012m/kghض20r\ճμ=0.001Pa·s

        ã5ʽӋrڎʽVһwCփɲӋ㣺sκ͉եsΌ^VÓˮ^VPMsĸ߶ȣƽ1mm=9.5PaӋC0MCksһɰ810%ͨ^sÓˮʧȥԕrȣ^VrgtsLcVٶ

        ډեPͨ^VեLcV|eӋM뉺եεĝC0sȣ810%CkKVȣ25%20%Vrgt=m/Tm=ts/Tt=ts/T2ts錍HVrgեΞVcեL|LեΞV\ٶãT鉺Vڣե\Еrg

        scեε̎ĺͼ鎧ʽVC̎Ӌδ]^V|V迹RfV迹RfcVIJ|ͨ[һx800010000m3/(h·m2)]PK̎Ӌ̎һϵKKһȡ0.90.95鎧ʽVC̎

        ڶN㷨^һN㷨msԓӋ㷽аˎʽVCYOӋ|\ЅȌ̎ӰʽVCĽYOӋͶˎ\ЅxߎʽVC̎һָxͨ^Ӌsε̎ʽVC̎Ҫ

         


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