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MPS李锦 柳建龙( 430081) MPS。,,、。 ExperimentresearchofimproveddustinhibitorMPSatdustcontrolonmaterialpileLiJin LiuJiannong(SafetyandEnvironmentalProtectionReseachInstitute,MMI 430081)Abstract ThispaperexpoundedtheexperimentandresearchonthereformmodelseriesofMPSwhichisusedinmaterialpiledustpreventing.ThiskindofMPSnotonlyhasthethepropertyofdustpreventing,butalsohasthecharacterofwaterresistance.Ithaslongperiodofdustproofandcheapcost.Therefore,itcanbeusedinmanyoutdoorpilesalloverthecountry.Keywords Materialpiledustpreventing Dustpreventingprinciple Waterresistance1 、,。、(),,5～7,,。,,、,。,,,,。,,。,。2 95%;U1U′=U×100%。4 ,。,:(1)《》;(2),,,;(3),,,;(4),。,,、,1。1 矿井通风系统鉴定指标评价标准()η()/%80[80,90)≥90η/%80[80,90)≥90η/%60[60,70)≥70η/%60[60,70)≥70U′/%90[90,95)≥95C0.73[0.73,0.82)≥0.825 ,,,。·13·20001January2000 IndustrialSafetyandDustControl ,。:①(),,;②;③,。,,。MPS:,,;,。,,,。、。3 (1),5,30m2,MPSA(1∶1、1∶4),GPSB(1∶2、1∶3),。(2)(8m/s),1m。(3)。(4),。4 4.1 ,,。,。1。1 加工工艺流程4.2 ,。:①,;②、、pH;③,;④;⑤,。4.3 ,,。、、。。2。 800,H900 WQ0.75 4 WA52 喷洒设备系统流程4.4 MPSAGPSB,,1.5～2L/m2。,,,。,。5 5.1 、、、。5.2 (1)(8m/s),,。(2)。。5.3 1m,,1。1 测试点布置MPSAGPSB1∶11∶41∶21∶3/ABCDE5.4 ,24,26mm,43,,,30～35℃。5.5 5.5.1 2,(1)、(2)、(3)、(4)。·14·2 测试结果统计 粉尘浓度单位:mg/m3ABCDE 16.949.243.826.1784.2629.1221.865.458.42130.401.3.5mg/m3。329.90115.308.249.63139.004132.14133.829.729.86156.002.E。 10mg/m3,,3。3 抑尘效果统计 降尘效率单位:%P1P2P3P4Z1Z2Z3Z41A0.690.912.9913.2195.795.680.57.32B0.922.1911.5313.3892.985.517.56.03C0.380.550.820.9899.698.596.595.44D0.620.840.960.9996.796.195.595.35E8.4313.0413.9015.60////:P/(10);Z();。2,,90%,P01,10mg/m3,。GPSB,MPSA。,,。,GPSB,。MPSA43,。3,:ZCZDZAZB,GPSB。3 抑尘效率对比曲线5.5.2 MPSA,,,2mm,。,,2,。MPSA,,。,,,。GPSB、,。,4～5mm,,。,C。GPSB,。,2,,,,。5.5.3 (4)4 经济分析及防尘期/(·kg-1)/(·m-2·-1)/57.5(MPSA)1∶10.5810～121∶40.235～720.5(GPSB)1∶20.271431∶30.20443 0.011～2 :1/。1～2,,。MPSA,,GPSB,。,GPSB,,43,,,。6 (1)MPSAGPSB,、。(2)MPS,,,。(3),,。(4),,,。,,,。(5)MPS,90%,,,。,、。·15·