Method for detecting moisture and volatile matter content of raw coal by using value of baseline drift
US10900904B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2018 |
| Grant date | Jan 26, 2021 |
| Priority date | — |
| Expiry date | Mar 28, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/127
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present invention relates to a method for detecting moisture and volatile matter content in raw coal using the value of baseline drift, comprising the following steps: selecting a plurality of types of standard coal having different coal ranks and different ash contents, performing a Raman spectroscopy test and a proximate analysis on each type of standard coal, calculating the value of baseline drift in the Raman spectrum, and setting up the mapping relationship between the value of baseline drift in the Raman spectrum and the characteristic parameters of the moisture and the volatile matter content. The same method and reference are used to perform a Raman spectroscopy test on raw coal to be tested, so as to calculate the value of baseline drift in a Raman spectrum of the raw coal to be tested, and obtain the moisture and volatile matter content of the raw coal to be tested.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.