GB/T 220-2018 in English

VALID

Determination of carboxyreactivity of coal

Issued on:2018-02-06
Implemented on:2018-09-01
File Format:PDF
Delivery:Within 1 day

Price(USD)： $112.00
$109.00

Standard No:	GB/T 220-2018
Document status:	VALID
Title in English:	Determination of carboxyreactivity of coal
Title in Chinese:	煤对二氧化碳化学反应性的的测定方法
Language:	English
File Format:	Electronic (PDF)
Delivery:	Within 1 day
Issued on:	2018-02-06
Implemented on:	2018-09-01
Superseding:	GB/T 220-2001 Determination of carboxyreactivity of coal
ICS Classification:	73.040-Coals
Chinese Classification:	D21-Coal analysis methods
Professional Classification:	GB-National Standard
Related Keywords:	coal sample coal introduction interpretation coal combustion efficiency carbon emission detection determination method high temperature reactor test gas composition analysis instrument
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《GB/T 220-2018煤对二氧化碳化学反应性的测定方法》由TC42（全国煤炭标准化技术委员会）归口，TC42SC1（全国煤炭标准化技术委员会煤炭检测分会）执行，主管部门为中国煤炭工业协会。

Introduction

Interpretation of the National Standard of the People's Republic of China GB/T 220—2018

Background and Significance of Standard Formulation

GB/T 220—2018 "Determination Method for Chemical Reactivity of Coal to Carbon Dioxide" is a comprehensive revision of the original standard GB/T 220—2001, mainly evaluating the chemical reaction characteristics of coal at high temperatures.

Optimization of coal combustion efficiency
Carbon emission detection and control
Energy utilization technology progress

Method summary and technical framework

This standard adopts a method that combines high-temperature distillation and chemical reaction testing. The main steps include:

Coal sample distillation treatment
Coke slag preparation and screening
High temperature reactor test
Gas composition analysis

Instrument and technical requirements

Instrument name	Specifications	Function description
Silicon Carbon Tube Vertical Furnace	Maximum temperature 1350°C, furnace length 600mm	Used for high temperature distillation and reaction test
Austenite Gas Analyzer	Measurement range 0%-100%, accuracy ±2%	Analyze gas composition after reaction
Tubular Distillation Furnace	Temperature control 900°C, volume adaptation	Used for coal sample pretreatment

Comparative Analysis of Standard Updates

With GB/T Compared with 220-2001, the main technical improvements of the new standard include:

New description method of reactivity curve
Optimize the description of instruments and equipment
Add the use specification of Ostwald analyzer

Implementation suggestions and precautions

To ensure the effective implementation of the standard, it is recommended that:

Laboratories should be equipped with professional training personnel
Regularly calibrate instruments and equipment
Establish a data recording and analysis system

More samples: QC/T 942-2021 YD/T 3934-2021 GB 50021-2001(2009)

Sample only — not a preview of GB/T 220-2018

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