Analysis method of oil-rich coal

An analysis method and oil-rich technology, applied in the petroleum industry, special forms of dry distillation, coke ovens, etc., can solve problems such as insufficient understanding of concepts, backward systemic supporting technologies, lack of systematic processes in testing and analysis methods, etc., and achieve an increase in tar yield , Improve the effect of pyrolysis efficiency

Inactive Publication Date: 2021-08-10
中国煤炭地质总局勘查研究总院
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  • Claims
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Problems solved by technology

[0005] However, the utilization level of coal classification and quality is still low, and there are still problems such as insufficient understanding of ...

Method used

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  • Analysis method of oil-rich coal
  • Analysis method of oil-rich coal
  • Analysis method of oil-rich coal

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Embodiment 1

[0039] The present embodiment provides a method for analyzing oil-rich coal, comprising the following steps:

[0040](1) Industrial analysis of oil-rich coal (according to GB / T212-2008), total sulfur analysis (according to GB / T214-2007), hydrocarbon analysis (according to GB / T476-2008), ash component analysis ( According to GB / T1574-2007), nitrogen analysis (according to GB / T19227-2008), Gejin low temperature dry distillation analysis (according to GB / T1341-2007), vitrinite reflectance analysis (according to GB / T6948-2008 ), microscopic component classification analysis (according to GB / T15588-2013), scanning electron microscope analysis (according to SY / T5162-2014), energy spectrum quantitative analysis (according to SY / T6189-2018), X-ray diffraction Rock analysis (according to SY / T5163-2018);

[0041] Wherein, the analysis results are shown in Table 1, Table 2, Table 3, Table 4 and Table 5;

[0042] Table 1

[0043]

[0044] Table 2

[0045]

[0046] table 3

[00...

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Abstract

The invention relates to the field of oil-rich coal resource evaluation and oil product extraction, in particular to an analysis method of oil-rich coal. The analysis method comprises the following steps: firstly, carrying out industrial analysis, total sulfur analysis, hydrocarbon analysis, ash component analysis, nitrogen analysis, Gray-King low-temperature dry distillation analysis, vitrinite reflectivity analysis, maceral classification analysis, scanning electron microscope analysis, energy spectrum quantitative analysis and X-ray diffraction total rock analysis on the oil-rich coal, and then carrying out pyrolysis treatment. The pyrolysis treatment conditions are as follows: heating is started from room temperature, the temperature is raised to 550-650 DEG C at the rate of 15 +/-0.5 DEG C/min, and the temperature is kept for 25-35 minutes. The pyrolysis treatment conditions of the oil-rich coal are determined by analyzing the oil-rich coal, and high-quality pyrolysis coke, pyrolysis liquid and pyrolysis gas can be obtained by performing pyrolysis treatment on the oil-rich coal under the conditions.

Description

technical field [0001] The invention relates to the fields of oil-rich coal resource evaluation and oil product extraction, in particular to an analysis method for oil-rich coal. Background technique [0002] Oil-rich coal refers to coal resources with a tar yield between 7% and 12%. According to the tar yield of coal, it is classified into high-oil coal (T ar，d >12.00%), oil-rich coal (T ar，d >7.00%~12.00%) and oily coal (T ar，d ≤7.00%). Coal is the main energy source, of which low-rank coal accounts for 46% of the total coal resources. For the rich oil-rich low-rank coal resources, resource evaluation and research on its development and utilization are of great significance to ensure energy security. Carry out oil-rich coal resource potential surveys and oil extraction testing and analysis, expand new areas of oil and gas exploration and production, continuously improve the ability to guarantee the continuity of oil and gas resources, and make new contributions to...

Claims

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Application Information

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IPC IPC(8): C10B53/00C10B57/00
CPCC10B53/00C10B57/00
Inventor 张莉宁树正张建强邹卓黄少青刘亢
Owner 中国煤炭地质总局勘查研究总院
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