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GB/T 28730-2012: Method for preparation of solid biofuels sample
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GB/T 28730-2012: Method for preparation of solid biofuels sample

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ICS75.160.10 D21 National Standards of People's Republic of China Solid biomass fuel sample preparation method Issued on. 2013-06-01 2012-11-05 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with the rules of GB/T 1.1-2009 given. The reference to the British Standard (equivalent to EU standards) BSEN14780.2011 "solid biomass fuel sample preparation methods" (in English) Redrafted This standard BSEN14780.2011 non-equivalent degree of consistency. The standard proposed by China Coal Industry Association. This standard coal by the National Standardization Technical Committee (SAC/TC42) centralized. This standard was drafted. CCRI coal analysis laboratory, Changsha Kaiyuan Instruments Incorporated. The main drafters of this standard. leather Zhongyuan, Zhang Baoqing, Wensheng, Li Yinghua. Solid biomass fuel sample preparation method

1 Scope

This standard specifies the terms and definitions of solid biomass fuel sample preparation, sample preparation General, equipment and tools, sample preparation procedures, and sample Storage and identification. This standard applies to the following solid biomass fuels. --- Fine or more regular shape of the particulate material, the maximum particle size of about 10mm, able to use a spoon or spatula sampling probe, such as sawdust, olive pits And wooden balls; --- Coarse or irregularly shaped materials, the maximum particle size of about 200mm, with a fork or spade can be sampled, such as wood chips, husk, wood residues Slag debris, loose grass and straw; --- Size greater than 200mm of bulk materials; --- On the belt filter press dewatering fibers or waste. This can be used to prepare the standard sample and measuring sample for analysis in general, such as bulk density, mechanical strength, particle size distribution and other items.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 21923 solid biomass fuels General Inspection GB/T 28733 solid biomass fuels Determination of total moisture

3 Terms and Definitions

GB/T 21923 and the following definition of terms and definitions for use in the present document. For ease of use, repeat the following list The GB/T 21923 certain terms and definitions. 3.1 Sample preparation samplepreparation Solid biomass fuels to achieve process analysis or test status. Note. Sample preparation includes crushing, mixing, and dividing, sometimes including screening and air drying it can be divided into several stages. 3.2 Sample sample To determine the quality characteristics of raw materials and fuel taken from a representative portion of the biomass fuel. [GB/T 21923-2008, the definition 3.84]. 3.3 Samples broken samplereduction Reduced sample or sample preparation and sample particle size. [GB/T 21923-2008, the definition 3.83]. 3.4 Sample and dividing sampledivision The sample was divided or shrink into a representative sample, the isolated portion of the sample preparation process. ...