标准解读
GB/T 44355-2024 是一项关于煤的显微组分组成含量自动化测定的标准，具体采用了图像分析技术。此标准为煤炭行业提供了一套科学、规范的方法来定量分析煤样本中的各种显微组分，对于理解煤的性质、指导煤炭利用及加工技术具有重要意义。以下是该标准的主要内容概述：
标准范围
本标准规定了利用图像分析技术自动测定煤样中镜质组、壳质组、惰质组等主要显微组分含量的方法原理、仪器要求、样品制备、测量步骤、数据处理及结果表示方法。适用于各类煤样的显微组分定量分析。
术语与定义
- 显微组分：在显微镜下可识别的煤的基本组成部分，主要包括镜质组、壳质组和惰质组。
- 图像分析法：通过数字图像处理技术对煤样显微照片进行分析，以实现显微组分自动识别和定量计算的方法。
仪器设备
标准明确了执行测试所需的仪器设备要求，包括高分辨率显微镜、图像采集系统、图像分析软件等，确保测量精度与重复性。
样品制备
详细说明了煤样预处理、镶嵌、切片、抛光等步骤，确保样品表面平整、无污染，满足显微观察和图像分析条件。
测量步骤
- 图像采集：在规定放大倍数下，采集煤样显微照片。
- 图像分析：运用图像分析软件，对照片中的各显微组分进行自动识别和边界划分。
- 参数设定：根据煤样的特性，调整分析软件中的阈值、颜色范围等参数，优化识别效果。
- 数据统计：计算各显微组分所占面积百分比，转换为质量分数或体积分数。
数据处理与结果表示
规定了数据处理方法，包括校正因子的应用、误差分析及不确定度评估，并要求结果以表格或图表形式清晰展示，标明所测得的各显微组分的具体含量。
质量控制与验证
强调了实施测试过程中应进行的质量控制措施，如定期校验仪器、使用标准物质进行比对试验等，以保证测定结果的准确性和可靠性。
附录
提供了标准实施的辅助信息，可能包含典型显微组分图谱、操作指南示例、常见问题解决方法等。
该标准旨在通过标准化流程，促进煤的显微组分分析的自动化、高效化，为煤炭科学研究、能源利用规划及煤炭产品质量控制提供技术支持。
如需获取更多详尽信息，请直接参考下方经官方授权发布的权威标准文档。
....
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- 2024-08-23 颁布
- 2025-03-01 实施
文档简介
ICS
73.040
CCS
D26
中华人民共和国国家标准
GB/T44355—2024
煤的显微组分组含量自动测定
图像分析法
Automaticdeterminationofmaceralgroupcompositionincoal—
Imageanalysismethod
2024-08-23发布2025-03-01实施
国家市场监督管理总局发布
国家标准化管理委员会
GB/T44355—2024
目次
前言
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Ⅲ
1
范围
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1
2
规范性引用文件
······················································································
1
3
术语和定义
···························································································
1
4
方法提要
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2
5
材料
··································································································
2
5.1
试样安装材料
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2
5.2
油浸液
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2
6
仪器设备与测试系统
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2
6.1
反光显微镜
······················································································
2
6.2
数字程控可调电源
···············································································
2
6.3
自动载物台
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2
6.4
显微镜相机
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3
6.5
图像采集系统
····················································································
3
6.6
显微组分组自动识别测定系统
···································································
3
6.7
整平器
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3
7
样品制备
······························································································
3
8
测定步骤
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3
8.1
仪器准备与调节
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3
8.2
图像自动采集
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4
8.3
图像调入
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4
8.4
图像预处理
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4
8.5
显微组分组识别及统计
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4
9
结果计算
······························································································
4
10
方法精密度
··························································································
5
11
测定报告
····························································································
5
附录A（资料性）
煤的显微组分组含量自动测定报告
················································
6
参考文献
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7
Ⅰ
GB/T44355—2024
前言
本文件按照GB/T1.1—2020《标准化工作导则第1部分：标准化文件的结构和起草规则》的规
定起草。
请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。
本文件由中国煤炭工业协会提出。
本文件由全国煤炭标准化技术委员会（SAC/TC42）归口。
本文件起草单位：中煤科工西安研究院（集团）有限公司、煤炭科学技术研究院有限公司。
本文件主要起草人：宋孝忠、肖文钊、白向飞、刘善德、雷莹、丁华、皮中原、范章群、武琳琳、
汤姗。
Ⅲ
GB/T44355—2024
煤的显微组分组含量自动测定
图像分析法
1范围
本文件描述了在反光显微镜下运用图像处理技术自动测定煤的显微组分组的方法。
本文件适用于单一煤层或单种煤的烟煤，褐煤和无烟煤参照使用。
2规范性引用文件
下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文
件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本（包括所有的修改单）适用
于本文件。
GB/T12937煤岩术语
GB/T15588烟煤显微组分分类
GB/T16773煤岩分析样品制备方法
GB/T20733数码照相机术语
GB/T22063显微镜C型接口
GB/T29298数字（码）照相机通用规范
3术语和定义
GB/T12937、GB/T15588和GB/T20733界定的以及下列术语和定义适用于本文件。
3.1
显微镜相机microscopecamera
通过专用接口与显微镜连接，具有输出显微镜成像数字信号功能的图像传感器，并通过数据接口与
计算机相连，将此信号记录在存储媒体上的照相机。
3.2
像素pixel
影像传感器上能单独感光的物理单元。
3.3
自动载物台motorizedstage
通过计算机程序控制沿X、Y、Z三轴方向自动移动的显微镜载物台。
3.4
图像采集系统imageacqui
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