GB/T 212-2008 Translated English of Chinese Standard. (GBT 212-2008, GB/T212-2008, GBT212-2008): Proximate analysis of coalhttps://www.chinesestandard.net, 09/02/2020 - 25 من الصفحات This standard specifies the methods for determining the moisture, ash, volatile content of coal and coal water mixture as well as the method for calculating the fixed carbon. This standard applies to lignite, bituminous coal, anthracite, coal water mixture. |
المحتوى
| 3 | |
Scope | 5 |
Determination of ash | 8 |
Determination of volatiles | 12 |
Calculation of fixed carbon | 16 |
Conversion of airdried base volatile matter into dry ashfree base volatile matter and dried mineralfree base volatile matter | 17 |
Industrial analysis of coal water mixture | 18 |
Appendix A Normative Determination of moisture in coal Microwave drying method | 21 |
Appendix B Normative Fast ash tester | 24 |
عبارات ومصطلحات مألوفة
according to formula air-dried base ash air-dried base volatile amount of coal analysis test Analytical balance anthracite asbestos plate ash content ash dish containing base volatile matter beaker bituminous coal calcium chloride Calculation of results carbonate carbon dioxide coal water mixture coke slag constant mass constant temperature zone content of coal continuously dried coal Crucible holder Determination of moisture Determination of volatile dried coal water drying box fast ash tester fixed carbon fraction of air-drying fraction of carbonate fraction of moisture furnace door g of coal GB/T grams g heat-resistant porcelain plate inspecting drying less than 0.2 lignite marking ring Mass fraction Method summary Weigh Microwave drying method moisture determination moisture in coal muffle furnace plate or asbestos Pyrometers Reduced mass Repeatability limit room temperature silica gel silver-white metallic luster slow ashing method specimen of coal standard temperature about 20 Test procedure thermocouple volatile content water meter water mixture specimen