武汉鑫文丰机械有限公司是一家专业生产矿山机械设备的公司。具有先进的凿岩机具研制开发中心,拥有一支实力雄厚的科研开发队伍,近几年来,研制的YDT31型新型电动凿岩机专利产品,填补了我国凿岩机械中一次能量转换的空白,冶金部科技成果鉴定会鉴定为“达到国际先进水平,是对我国电动凿岩机研制方面一个新的贡献”。在致密花岗岩(f=14~16,σb=140~160MPa)中凿速达180~280毫米/分(钻头直径36mm),比一般相似机型的凿速提高30%,较目前小型气动凿岩机提高70%,该机的能量利用率达53.1%,为现有小型气动凿岩机能量利用率(7.7%)的七倍,按每台年工作300天*5小时计,节电11820度,以1000台计,年节电1182万度,节电效益为768.3万元/年,不需压风设备和输风管道,借助柴油发电机,在无电区域也能正常工作,节约大量基本建设资金,确保人身、场区、设备的安全作业。由此开发的系列产品手持式、机动式、电液式、台车式等凿岩机械,广泛用于修筑公路、铁路、机场跑道、地质勘探、金属和非金属矿藏开采、国防工程等领域。WuhanXinwenfengMachineyCo.,Ltdisanewcompanytomajormanufacturetheminemachineryequipment.IthasanadvancedresearchcenterandaR&Dteamwithrichexperiencewithanefforttothedevelopmentandtestofrockdrillandtools.Inrecentyears,thecompanyhassucceededindevelopingthepatentproduct,YDT31NewTypePowerfulElectricRockDrill,whichhaspassedtheScience&TechnologyAchievementsExpertiseOrganizedbytheMinistryofMetallurgyIndustry,andregardedas“havingachievedtheintemationaladvancedlevelinthefieldandmadeanewcontributiontothedevelopmentofelectricrockdrillinourcountry”.Fordrillingindensegranite(f=14~16,σb=140~160MPa),thepenetrationrateisupto180~280mm/min(bitdiameter36mm),whichis30%fasterthanthatofthesimilarproducts,70%fastertheordinarysmallpneumaticrockdrills.Theenergyutilizationefficiencyisupto53.1%,whichis7timesasthatofthesmallpneumaticrockdrill(7.7%).Bycalculationofoperatingtimeas300days×5hoursforayearperdrillset,itcansaveelectricityby11820kilowatt-hours.Furthermore,bycalculationfor1000duillsets,thiscansaveelectricityupto11.82millionkilowatt-hoursperyear.Theresultingprofitonelectricityeconomizationis7.683millionyuanRMBperyear.Itneedsneitheraircompressingfacilitiesnorpipelines,andcanoperatenormallyeveninsitewithoutelectricitybymeansofdieselengineTherefore,

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