Fusing agent adding control system and method based on UV Raman spectroscopy
An ultraviolet Raman and spectroscopic analysis technology, which is applied in the direction of material analysis, Raman scattering, and material analysis by optical means, which can solve the problems such as the inability to adjust the type and amount of flux added, the inability to achieve online measurement, and the cumbersome steps. , to achieve the effect of ensuring long-term safe and stable operation, suitable for large-scale promotion, and accurate data
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Embodiment 1
[0061] Taking a 1500t / day shell gasifier as an example, the shell coal gasification technology is adopted, and the pulverized coal feed rate is 60t / h.
[0062] 1) Determine m 1 1% of the coal feed amount is 600kg / h, carry out gasification reaction, and adopt coal ash sampler 1 to obtain coal ash sample 1;
[0063] 2) Using the coal ash sampler 2, the coal ash sample 1 is sent to the ultraviolet Raman spectrometer 3;
[0064] 3) Using an ultraviolet Raman spectrometer 3, carry out an ultraviolet Raman spectrum test on the coal ash sample 1 to be detected, select 5 points, scan each point 5 times, and obtain the Raman spectrum of the coal ash sample 1;
[0065] 4) Use the Raman spectrometer 4 to read the anorthite, forsterite and magnesium spinel characteristic peaks in the coal ash sample 1 Raman spectrum obtained in step 3), and calculate the anorthite, forsterite and magnesium Spinel characteristic peak area to total peak area ratio a 1 . a 1 , a 2 ...a n (n=2,3...) is...
Embodiment 2
[0072] Taking a 1200t / day coal-water slurry gasifier as an example, Degus coal-water slurry gasification technology is adopted, and the pulverized coal feed rate is 40 tons / h.
[0073] 1) Determine m 1 0.75% of the coal feed rate, i.e. 300kg / h, for a gasification reaction, using a coal ash sampler 1 to obtain a coal ash sample 1;
[0074] 2) Using the coal ash sampler 2, the coal ash sample 1 is sent to the ultraviolet Raman spectrometer 3;
[0075] 3) Using an ultraviolet Raman spectrometer 3, carry out an ultraviolet Raman spectrum test on the coal ash sample 1 to be detected, select 3 points, scan each point 3 times, and obtain the Raman spectrum of the coal ash sample 1;
[0076] 4) Use the Raman spectrometer 4 to read the anorthite, forsterite and magnesium spinel characteristic peaks in the coal ash sample 1 Raman spectrum obtained in step 3), and calculate the anorthite, forsterite and magnesium Spinel characteristic peak area to total peak area ratio a 1 , a 1 Calc...
Embodiment 3
[0082] Taking a 1000t / day moving bed gasifier as an example, using BGL gasification technology, the pulverized coal feed rate is 400t / h.
[0083] 1) Determine m 1 It is 0.5% of the coal feed amount that is 200kg / h, carry out gasification reaction, adopt coal ash sampler 1 to obtain coal ash sample 1;
[0084] 2) Using the coal ash sampler 2, the coal ash sample 1 is sent to the ultraviolet Raman spectrometer 3;
[0085] 3) Using an ultraviolet Raman spectrometer 3, carry out an ultraviolet Raman spectrum test on the coal ash sample 1 to be detected, select 4 points, scan each point 4 times, and obtain the Raman spectrum of the coal ash sample 1;
[0086] 4) Use a Raman spectrum analyzer to read the anorthite, forsterite and magnesium spinel characteristic peaks in the coal ash sample 1 Raman spectrum obtained in step 3), and calculate the anorthite, forsterite and magnesium spinel Ratio of spar characteristic peak area to total peak area a 1 , a 1 Calculation method is wit...
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