高压喷雾降尘的原理及其应用

419984,,,,1,caŽ0).n„l(„0,,,,,,(5060%;2030%),;,;,1,,,:,,,=1(l,;:)(1:)(1),,,%;,,%;,%;,%10I1010.11.010l.0(,m)1()A84))ZB144zC2122D346nE620221,10m,10m,,,,419984:=1(1,n:)(lves)es1,,ss,,23}}}}}}}444444455555{{{{{{{\\\\\111~~...\~~,,,,,20ƒ0ˆA.0...,.23/(m)0.010.11.010(m)2()1090kPa212m()A20ESUemZBZESU.em2COESUem212,,,:1.17.07m12,,,,VQDR=Q/D,R,3122.SMPa35.OMPa4(7.SMPa)5(IOMPa)3,,(1015MPa),3m(),lm/s1220m/s,1220,,(),d(:m):d=216.6(l.85Dl)/PD,mm;,MPa,:DlmmP=loMPa,d=54m,,,(150m)1/3,,,,,,10MPa3m,R:!l0.00,.0.„4199843025105ƒE.„=Q/n=259.56579.71m2/s,R:=Q/D=lo.67mZ/SRR27.1754.33,,R,1.2,,,4/////////////////////////////5,j10012.5(MPa)80705040„1000!oo200X),(ckg)44,,,,,55,7.512SMPa,,,,,512,,,;,,,2,,,,3307,EDW600(4.0m),(1.2m/S);,,33072.1419984,66J142357869,,,,,,,,,,,7.515MPa,2.2,10m,,(mg/m3)(mg/m3)()438.6141.9(%)2.3,,,,;,;TheoryandApplieationofHighPressureSprayforDustSuppressionZhangAnmingandGuoKesheChongqingBraneh,CCRIAbstraet:ThepaperdeseribesthemeehnismofhighPressurespraytosuppressresPirableandnonrespiraledustsandthepraetiealapPlieationofhighpressuresprayeoalminningmaehine.Thetheroyandpraetieeallhaveshownthathighpressuresprayhasobviouseffeetinre-dueingtotaldusteoneentrationandrespirabledusteoneentrationinundergroundeoalmines.Keywords:highPressurespray,coalminningnaehine,totaldust,respirabledust,theroy,,19666,1990,,,7,5(19971215;)3222841807241041015m