MT-T 948-2005 煤的磨损指数测定仪通用技术条件

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1、ICS73.040D21备案号:15517-2005MT中华人民共和国煤炭行业标准MT/T948-2005煤的磨损指数测定仪通用技术条件Generalspecificationsofdeterminateroftheabrasionindexofcoal2005-02-14发布2005-06-01实施国家发展和改革委员会发布MT/T948-2005目次前言········································································，······

2、··································⋯⋯n1范围··········································································································⋯⋯12规范性引用文件，······························································································⋯⋯13仪器

3、结构······，·······························································································⋯⋯14技术要求································································································.···⋯⋯25试验方法······································

4、···································································⋯⋯56检验规则······················································。·················································⋯⋯67标志、包装、运输和贮存································································

5、························一7MT/T948-2005前言煤的磨损指数测定仪在煤炭试验室广泛使用，煤的磨损指数测定是一项规范性很强的试验，测定仪的各项指标直接影响所测定煤样的磨损指数值，因而有必要对其技术条件作出统一规定。本标准参照GB/T15458-1995(煤的磨损指数测定方法》制定。本标准由中国煤炭工业协会科技发展部提出。本标准由全国煤炭标准化技术委员会归口。本标准起草单位:煤炭科学研究总院煤炭分析实验室。本标准主要起草人:王丽华、王文亮。本标准为首次制定。MT/T948-2005煤

6、的磨损指数测定仪通用技术条件范围本标准规定了磨损指数测定仪的技术要求、试验方法、检验规则和标志、包装、运输、贮存。本标准适用于煤的磨损指数测定仪(以下简称测定仪)。2规范性引用文件下列文件中的条款通过本标准的引用而成为本标准的条款。凡是注日期的引用文件，其随后所有的修改单(不包括勘误的内容)或修订版均不适用于本标准，然而，鼓励根据本标准达成协议的各方研究是否可使用这些文件的最新版本。凡是不注日期的引用文件，其最新版本适用于本标准。GB/T191包装储运图示标志GB/T2828逐批检查计数抽样程序及抽样表(适用于

7、连续批的检查)GB/T3768声学声压法测定噪声源声功率级反射面上方采用包络测量表面的简易法GB/T15458煤的磨损指数测定方法GB/T15464仪器仪表包装通用技术条件3仪器结构叶片旋转式，其结构见图MT/T948-20051—磨盖;2—连杆;3—磨班;4—“十”字座;5—传动轴;6—马达;7—甩煤板;8-底托板;9—磨翅底板;10-叶片;11—计数控制器图1磨损指数测定仪4技术要求4.1工作环境温度:0--40`CMT/T948-2005相对湿度:<85%;电源电压:AC(380138)V,(50士1)H

8、z,4.2磨罐由金属罐体、密封防尘盖和耐磨底板组成。罐体内径为(203士。.25)mm，深度为(229士。.25)mm,表面硬度为HRC45--48。耐磨底板带有凸台，表面硬度为HRC45--48。磨罐尺寸见图14.3叶片基本尺寸为38mmX38mmXllmm，公差为士0.1mm。叶片由15号钢(GB700碳素结构钢)制成，4片一组。制造完工的叶片，必须分组称量，并打印编号，如第一组为