Standard No.:	DL/T 681-2012
English Name:	Specification for Wear Resistant Parts of Coal Mill in Coal-fired Power Plants
Chinese Name:	燃煤电厂磨煤机耐磨件技术条件
Professional Classification:	DL    Professional Standard - Electricity
Issued by:	National Energy Administration
Issued on:	2012-8-23
Implemented on:	2012-12-1
Status:	superseded
Superseded by:	DL/T 681.1-2019 Specification for wear-rear-resistant parts of coal mill in coal-fired power plants-Part 1:Ball grinding mill,grinding balls and liner DL/T 681.3-2020 Guide of maintenance of boiler unit for thermal power station-Part 1:general provisions DL/T 681.2-2020 Specification for wear-resistant parts of coal mill in coal-fired power planPart 2: Medium-speed grinding mill - Roller shell, grinding table liner grinding ring and hollow grinding balls
Superseded on:	2019-10-1
Abolished on:	2019-10-01
Superseding:	DL/T 681-1999 Specification for wear-resistant fittings of mill-coal
Language:	English
File Format:	PDF
Word Count:	6000 words
Price(USD):	150.00
Delivery:	via email in 1 business day

This standard specifies the product classification, technical requirements, inspection rules test methods as well as marking, packaging, storage and transportation requirements for product classification of wear resistant parts of coal mill in coal-fired power plant. This standard is applicable to various wear resistant parts of coal mill in coal-fired power plant.

Foreword I
Introduction III
1 Scope
2 Normative References
3 Terms and Definitions
4 Classification of Resistant Parts of Coal Mill
5 Technical Requirements
6 Inspection Rules
7 Test Methods
8 Marking, Packaging, Storage and Transportation
Appendix A (Informative) Metallographic Structures and Operating Characteristics of Wear Resistant Parts and Surfacing Composite Wear Resistant Layers