浮选柱技术的新发展

1)2)2)(1.,,046032;2.,,221008),,,,1,40,,,60,7080,,CFCC,KHD,FlotairVPIMTUWemco,,,,,,,3,,2,,2:;(),(1),,,,(2),,,,,(3),6328420024,,,,,,(4),,,,,,,,,2.11,67m,,,,,,,,,,,1215m,,,,2.2,,,2.2.11986,2,,,,,,0.610.61m6m,0.25t,11;2;3;4;5;6;722.2.2(Mircrocell)3,,,2/3,0.60.8m,(),20cm3/min.cm22.4m(60%)(150)(3%6%),10%60%733Mircrocell1-;2-;3-;4-;5-;6-;7-;8-4FCMC1-();2-;3-();4-;5-2.2.3(1)FCMC199211.523m4,3,,,,,,,,(2),,,,5,5,,,,(3)FCMC3:;;1«1m%AdSt,dAdSt,dAdSt,d15.321.459.501.2540.512.0316.081.419.751.2842.041.9816.071.399.561.2740.111.9215.391.429.871.2539.031.958328420024,50mm150mm200mm,1m1.5m2m3m1231m1.5m3m1,2«1.5m%AdAdAdAd129.709.9650.179.17227.069.8151.0310.51322.199.5346.4910.34426.3510.5251.7410.39527.229.9757.8610.09624.839.0750.4210.02725.609.1552.319.1926.149.7151.439.983«3m8m3Ad/%Ad/%Ad/%119.857.348.50219.187.268.94319.647.218.79419.007.218.13521.867.548.352,,,,3,1%1.5%,8.0%4/mm/m3.h-1:/t.h-1/kW/kW1000203021352150050805378820001001501055120300018025015754,1/21/33,,:,,,,,,,,1.FCMC-1500.,1997,(11)2..:,19993..:,1988(35),2MPa2.5m4m(2),28d,3,,,,,,,,(3),,,,93EnglishAbstractsJuyecoalfield:developmentconditionsandkeytechnologyforshaft-sinkingWithatotalgeologicalcoalreservesof5.57billiontons,JuyecoalfieldisthelargestcoalfieldinShandongProvince.Itscoalseamsarethickandoccurrencestablewiththicknessofmineablecoalseamsaveragedat7.16m.Thisisfavourableformechanizedminingathigherefficiencyandhigherproductionrate.Thequalityofcoalishighwithcoalhardnessminorsandcontentsofash,phosphorouslow,sulfurcontentextremelylowandcalorificvaluemediumtohigh.Juyecoalfieldisendowedwithfavourabledevelopmentconditionsandthereforethiscoalfieldisofveryhighvalueofexploita2tion.However,theverydeepoverburdenofunstablewaterbearingstratarequiresfreezingmethodordrillingmethodforshaftsinkingprocess.Thedepthofsuchoverburdenis170mand100mdeeperthanthecompletedcoalmineshaftsofthesamecategoryinthiscountry.ShaftsinkingishencethekeytothedevelopmentofJuyecoalfield.ThispaperdiscussesthekeytechnologyrequiredinthedrillingprocessandfreezingprocesstobeusedintheshaftsinkinginJuyecoalfielddevelopment.ConstructionofZhangjicoalmineandHuainanminingareadevelopmentThispaperintroducesthreemajorinnovationsinoperationmechanism,managementandtechnologyintheconstructionofZhangjicoalminewhichisconsideredamoderncoalmine.Usingtheexperiencesobtainedfromtheconstructionofthisnewmine,Huainancoalauthoritiespushesforwardthereformanddevelopmentofthisminingareaandbringintobeinganewdevelop2mentplatformonwhichamedium-andlong-termdevelopmentblue-printissketchedforHuainanminingarea.OntheorganizationalstructureoftechnicalinnovationincoalminesOrganizationalstructurefortechnicalin2novationincoalminesincludeshorizontalandverticalstructures.Horizontalstructureincludescombinationofpro2ductionside,universitiesandresearchinstitutions;combinationofdifferentcompanies;combinationofabsorptionandacquisition.Thispapersintroducestheverticalorganizationalstructurefromfiveaspectssuchastechnologymanagementsystemincoalmines,coalminetechnicalcenters,coalminetechnologyparks,technicalinnovationdemonstrationprojectsandorganizinghigh-technologycompanies.ProspectsofcoalmineareacoalbedmethaneCDMprojectsThispaperintroducesthepossibleCDMopera2tionmechanisminChinaandtheinternationalfinancialinstitutionsthatprovidesupportstotheCDMmechanism.ThispaperalsodiscussesthefeasibilityofdevelopingcoalbedmethaneCDMprojectsincoalmineareasinthiscoun2try.ItholdsthattheconstructionofcoalbedmethaneutilizationprojectscouldeffectivelyexploittheCDMmecha2nism,whichpromotesthesustainabledevelopmentincoalmineareas.LatestdevelopmentoffloatationcolumnOnintroducingthedevelopmentoffloatationcolumnsinforeigncountries,theirvarioustypesandtheirrespectivecharacteristics,thispapergivesadetailedaccountoftheapplica2tionofcyclonemicro-bubblefloatationcolumnsinslimefloatation.Resultsshowthatthisnewtypeofequipmentisofbrightapplicationprospectsforitsbetterseparationresults,lowerenergyconsumptionandconvenientmainte2nance.