煤结构差异对润湿型抑尘剂降尘效果的影响-徐翠翠

*(51474139)；(51204103)；(2014JQJH106)*，，（，266590）：，7，4，；，(NMR)—fa′，，，：；，，，，，。：；；；；：TD714：A：1008－8725（2015）03－0182－03InfluenceonDustControlEffectofWettingDust-depressorCausedbyCoalStructureDifferencesXUCui-cui,WANGDan,WENJin-hao(CollegeofMiningandSafetyEngineering，ShandongUniversityofScienceandTechology,Qingdao266590,China)Abstract:Studyoninfluenceondustcontroleffectofwettingdust-depressorcausedbycoalstructuredifferences.7typicalmetamorphicgradecoaldustand4kindsofcommonlyusedwettingdust-depressorwereselectedforthestudy.Dust-depressorsolutionconcentrationwasdeterminedbysurfacetensionexperiment.Inaddition,usingnuclearmagneticresonance(NMR)obtainedcoalcharacterizationparameters-aromaticityfa′.Basedonfielddustsuppressionexperiment,correlationbetweenaromaticityanddustsuppressionefficiencywasdone.Gettheconclusionasfollows:dustsuppressionratehasbeenreducedascoalrankincreasing;whendust-depressorswereusedfordustsuppressionbysprayinginlow-to-mediumrankcoaldust,dustsuppressionefficiencymainlydependedondust-depressorsnotcoalrank;whendust-depressorswereusedfordustsuppressionbysprayinginhighrankcoaldust,dustsuppressionefficiencygetpoorbecauseofstronghydrophobicityduetocoalstructure.Keywords:wettingdust-depressor;dustsuppressionefficiency;NMR;coalstructure;correlationanalysisdoi:10.13301/j.cnki.ct.2015.03.0680，，。、3。，，。，，，。，，。7，，(NMR)，，。11.1，：，，，。，，7，1，2，、，。CoalTechnologyVol.34No.03Mar.20153403201503182121.2，、。、、4。，，。2，3。322.1，，，，。，。，(CMC)，，1。JK99C，4CMC，4。4，CMC，，，，。，CMC，A、B、C、D。14CMC2.2（1）GB5748-85《》，，，，，，。，，BZ、ALT、TN、YSW、XJL、WG、YQ。（2），7，，5。55，D3，A，B。0.00050.0010.0050.010.030.050.1/%/mN·m-17570656055504540353025OP-10JFCSTSDBSOP-10JFCSTSDBSCMC/%0.010.030.030.05/mN·m-132.91727.25225.83331.2081234567430121308303201021301N101381241234567Mad17.1610.473.65.491.551.861.7Aad10.936.0620.032.955.67.593.96Vad41.2752.2622.2234.1230.5650.88.02FCad30.6431.2154.1557.4462.2939.7586.32Cdaf71.8878.2183.8981.6186.1487.3491.79Odaf16.0214.8510.0911.166.164.82.31Hdaf8.664.274.965.775.325.713.81Ndaf2.360.860.821.161.791.561.43Sdaf1.081.810.240.30.590.590.66/%/%OP-10JFCSTSDBSBZALTTNYSWXJLWGYQ304.7320.3277.6290.8320.5312.6305.4A60.058.960.570.482.075.384.9/%80.381.678.275.874.473.972.2B61.969.565.070.488.587.894.1/%79.778.376.675.872.471.969.2C53.366.653.664.382.491.9100.5/%82.579.280.777.974.370.667.1D82.998.774.7102.4110.9116.9136.5/%72.869.273.164.865.462.655.3/mg·m-3/mg·m-33403Vol.34No.03———，183。，，，，。3(NMR)，，NUTS，—fa′，6。，，，，2。fa′，：=A2+(A1-A2)/(1+(fa′/x0)p)(A2=73，64，61，-15；A1=81，85，83，78；x0=62，65，76，20；p=16，3，6，2)，R20.85、0.96、0.97、0.80。，。2，，，，，，，，。，fa′0.84，470%，。67（a）A（b）B（c）C（d）D244（1），，40.01%OP-10、0.03%JFCS、0.03%T、0.05%SDBS；（2）：，，，，，；（3）NMRfa′，，。，，，，，。：［1］，，，.［J］.，2013，39(11)：18-20，48.［2］，，，.［J］.，2014，20（2）：1-5.［3］FASCHINGLEITNERJ，HOFLINGERW.Evaluationofprimaryandsecondaryfugitivedustsuppressionmethodsusingenclosedwa-tersprayingsystemsatbulksolidshandling［J］.AdvancedPowderTechnology，2010，22（2）：236-244.［4］，，，.［J］.，2007，32（7）:737-740.［5］，，，.［J］.，2012，37(S1):138-142.［6］，，，.［J］.，2013，32（1）:88-90.［7］，，，.［J］.，2012，21（8）:4-5，27.［8］，.［J］.，1993（4）:23-25.［9］，，，.［J］.，2009，34(12):1675-1680.［10］.［M］.:，2011.：(1988-)，，，，：，：[e-mail].：：2014－10－17fa′BZ0.496ALT0.558TN0.584YSW0.645XJL0.721WG0.806YQ0.9163403Vol.34No.03———，/%8280787674725060708090/%5060708090/%/%80787674727068/%848280787674727068665060708090/%5060708090/%/%7472706866646260585654184