Commercial coal quality - Coal for rotary cement kiln
1 Scope
This standard specifies the product quality grade and technical requirement, test methods, inspection rules, marking, transportation and storage of coal for rotary cement kiln.
This standard is applicable to coal for rotary cement kiln in production, processing, storage and transportation, sales and use.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 211 Determination of total moisture in coal
GB/T 212 Proximate analysis of coal
GB/T 213 Determination of calorific value of coal
GB/T 214 Determination of total sulfur in coal
GB/T 216 Determination of phosphorous in coal
GB/T 474 Method for preparation of coal sample
GB/T 475 Sampling for commercial coal
GB/T 477 Method for size analysis of coal
GB/T 3058 Determination of arsenic in coal
GB/T 3558 Determination of chlorine in coal
GB/T 16659 Determination of mercury in coal
GB/T 19494.1 Mechanical sampling of coal - Part 1: Method for sampling
GB/T 19494.2 Mechanical sampling of coal - Part 2: Method for sample preparation
GB/T 25209 Commercial coal marking
GB/T 25214 Determination of total sulfur in coal by IR spectrometry
GB/T 25960 Rules for steam coal blending
GB/T 30732 Proximate analysis of coal - Instrument method
GB/T 31087 General technical requirements for impurities control of commercial coal
GB/T 31356 Quality evaluation and control guide for commercial coal
SN/T 3511 Determination of mercury in minerals - General rules of direct mercury determining with solid injection method
3 Product quality grade and technical requirements
3.1 General
Coal for rotary cement kiln is classified according to calorific value and total sulfur index, which is expressed in the form of "calorific value grade + total sulfur grade", and other indexes are implemented according to GB/T 31356.
3.2 Quality requirements
3.2.1 Calorific value grade
Coal for rotary cement kiln is divided into three grades according to th
Foreword i
1 Scope
2 Normative references
3 Product quality grade and technical requirements
4 Test method
5 Inspection rules
6 Marking, transportation and storage
Annex A (Informative) Product list