High efficiency coal additive
A coal additive and high-efficiency technology, used in the petroleum industry, solid fuels, fuels, etc., can solve the problems of lack of boiler cleaning and corrosion inhibition, and achieve the effect of improving desulfurization effect, improving heat conduction, and accelerating decomposition speed.
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Embodiment 1
[0029] Type A high-efficiency coal additives:
[0030] CaO 32%-33% NH 4 HCO 3 3%-3.5%
[0031] ZnO 1%-2% SiO 2 1%-1.5%
[0032] NaHCO 3 5%-6% KAl(SO 4 ) 2 12H 2 O 5%-9%
[0033] Acidified coal gangue 3%-5% NaNO 3 , 21%-22%
[0034] Fe 2 o 3 1%-1.5% MgO 2%-9%
[0035] KCl 1-1.5% KMnO 4 0-1%
[0036] Humic acid 12%-15%
[0037] This dosage form is suitable for coal with heat below 4000 kcal / kg and sulfur content below 1%. The mixing ratio with coal is: the dosage of type A coal additive is 0.8% of the amount of coal burned.
Embodiment 2
[0039] Type B high-efficiency coal additives:
[0040] CaO 44%-50% NH 4 HCO 3 4%-6%
[0041] ZnO 1%-1.5% SiO 2 1%-2.5%
[0042] NaHCO 3 5%-9% KAl(SO 4 ) 2 12H 2 O 5%-7%
[0043] Acidified coal gangue 3%-4% NaNO 3 , 8%-9%
[0044] Fe 2 o 3 1%-1.2% MgO 2%-8%
[0045] KCl 1-1.3% KMnO 4 0-0.5%
[0046] Humic acid 15%-18%
[0047] This dosage form is suitable for use with coal with heat above 6000 kcal / kg and sulfur content above 1.6%. The mixing ratio with coal is: the dosage of type A coal additive is 1.2% of the amount of coal burned.
Embodiment 3
[0049] C-type high-efficiency coal additives:
[0050] CaO 37%-44% NH 4 HCO 3 4%-5%
[0051] ZnO 1.5%-2% SiO 2 2.5%-4%
[0052] NaHCO 3 5%-5.5% KAl(SO 4 ) 2 12H 2 O 5%-6%
[0053] Acidified coal gangue 3%-3.5% NaNO 3 , 8%-10.5%
[0054] Fe 2 o 3 1%-1.5% MgO 2%-10%
[0055] KCl 1-1.5% KMnO 4 1-1.5%
[0056] Humic acid 13%-17%
[0057] This dosage form is suitable for the use of coal with a heat content of 4000-6000 kcal / kg and a sulfur content below 1.5%. The mixing ratio with coal is: the dosage of type A coal additive is 1% of the amount of coal burned. This agent has wide adaptability , The cost is in the middle.
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