1102023年第5期收稿日期2022-11-07作者简介张欢(1984—),男,山西太原人,2013年毕业于辽宁工程技术大学土木工程系煤矿建设专业,采煤助理工程师,现从事井下工资定额工作。大采高综采工作面降尘技术研究与应用张欢(山西焦煤西山煤电股份有限公司马兰矿,山西古交030205)摘要为解决大采高综采工作面粉尘浓度高问题,结合现场实际情况从降尘方法、降尘用水(加入除尘剂)等方面提出综合降尘技术方案。采煤工作面液压支架安装跟机降尘装置、采煤机增设高压引射降尘装置并在喷雾用水中增加C&C-1除尘剂,提高降尘效果。现场应用后,各测点全尘、呼吸性粉尘浓度降幅均分别超过69.7%、80.5%,人行横道内全尘、呼吸性粉尘浓度分别在123mg/m3、36mg/m3以内,粉尘治理效果明显。关键词厚煤层;大采高工作面;粉尘治理;喷雾降尘中图分类号TD714+.4文献标识码Bdoi:10.3969/j.issn.1005-2801.2023.05.036ResearchandApplicationofDustReductionTechnologyinFullyMechanizedMiningFacewithLargeMiningHeightZhangHuan(MalanMineofShanxiCokingCoalXishanCoalElectricityCo.,Ltd.,ShanxiGujiao030205)Abstract:Inordertosolvetheproblemofhighdustconcentrationinlargeminingheightfullymechanizedminingface,acomprehensivedustreductiontechnologyschemeisproposedbasedontheon-siteactualsituation,includingdustreductionmethodandwaterusedfordustreduction(withtheadditionofdustremovalagents).Thehydraulicsupportofthecoalminingworkingfaceisinstalledwithamachinefollowingdustreductiondevice,thecoalminingmachineisaddedwithahigh-pressurejetdustreductiondevice,andC&C-1dustremovalagentisaddedinthespraywatertoimprovethedustreductioneffect.Afteron-siteapplication,theconcentrationsoftotaldustandrespiratorydustateachmeasuringpointdecreasedbymorethan69.7%and80.5%,respectively.Theconcentrationsoftotaldustandrespiratorydustinthepedestriancrossingwerewithin123mg/m3and36mg/m3,respectively,indicatingsignificantdustcontroleffects.Keywords:thickcoalseam;largeminingheightworkingface;dustadminister;spraydustreduction张欢:大采高综采工作面降尘技术研究与应用张欢:大采高综采工作面降尘技术研究与应用大采高综采工作面具有作业空间大、产尘量高及开采强度大等特点,单一的降尘技术难以实现粉尘高效治理。针对...