Waterless stemming for blast furnace
A technology of waterless taphole mud and blast furnace, which is applied in blast furnaces, blast furnace details, blast furnace parts, etc., can solve the problems of aggravating the erosion of the iron mouth area of the hearth, unreasonable ingredients and particle size, and affecting the service life of the blast furnace, etc., to achieve Excellent bonding performance, improving the safety of blast furnace production, and excellent wear resistance
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Embodiment 1
[0029] 1. Weigh the raw materials according to the following ratio:
[0030] Coarse brown corundum with a particle size of 1-3mm 1 kg
[0031] Fine brown corundum with a particle size of 0-1mm 5 kg
[0032] Coarse mullite with a particle size of 1-3mm 14 kg
[0033] Fine mullite with a particle size of 0-0.5mm 9 kg
[0034] Coke powder with a particle size of 0-1mm 15 kg
[0035] Clay with a particle size of 0-0.9mm 17 kg
[0036] Silicon carbide with a particle size of 0-1mm 7 kg
[0037] Sericite with a particle size of 0-0.08mm 8 kg
[0038] Bitumen 2 kg
[0039] Anthracene oil 23 kg
[0040] 2. Put the raw materials in the following order: coke powder→coarse brown corundum→fine brown corundum→coarse mullite→fine mullite→silicon carbide→clay→asphalt→anthracene oil;
[0041] 3. Mix and grind in a hot state for 30-50 minutes at a temperature of 40-60°C to obtain 100 kg of anhydrous gunpowder, put it in a plastic bag and store it for more than 24 hours before use.
Embodiment 2
[0043] 1. Weigh the raw materials according to the following ratio:
[0044] Coarse brown corundum with a particle size of 1-3mm 4 kg
[0045] Fine brown corundum with a particle size of 0-1mm 2 kg
[0046] Coarse mullite with a particle size of 1-3mm 7 kg
[0047] 0-0.5mm particle size fine mullite 20 kg
[0048] Coke powder with a particle size of 0-1mm 20 kg
[0049] 12 kg of clay with a particle size of 0-0.9mm
[0050] Silicon carbide with a particle size of 0-1mm 11 kg
[0051] Sericite with a particle size of 0-0.08mm 5 kg
[0052] Bitumen 4 kg
[0053] Anthracene oil 15 kg
[0054] 2. Put the raw materials in the following order: coke powder→coarse corundum→fine corundum→coarse mullite→fine mullite→silicon carbide→clay→pitch→anthracene oil;
[0055] 3. Mix and grind in a hot state for 30-50 minutes at a temperature of 40-60°C to obtain 100 kg of anhydrous gunpowder, put it in a plastic bag and store it for more than 24 hours before use.
Embodiment 3
[0057] 1. Weigh the raw materials according to the following ratio:
[0058] Coarse brown corundum with a particle size of 1-3mm 2 kg
[0059] 3 kg of fine brown corundum with a particle size of 0-1mm
[0060] Coarse mullite with a particle size of 1-3mm 10 kg
[0061] Fine mullite with a particle size of 0-0.5mm 15 kg
[0062] Coke powder with a particle size of 0-1mm 18 kg
[0063] 15 kg of clay with a particle size of 0-0.9mm
[0064] Silicon carbide with a particle size of 0-1mm 9 kg
[0065] Sericite with a particle size of 0-0.08mm 6 kg
[0066] Bitumen 3 kg
[0067] Anthracene oil 19 kg
[0068] 2. Put the raw materials in the following order:
[0069] Coke powder→coarse brown corundum→fine brown corundum→coarse mullite→fine mullite→silicon carbide→clay→pitch→anthracene oil;
[0070] 3. Mix and grind in a hot state for 30-50 minutes at a temperature of 40-60°C to obtain 100 kg of anhydrous gunpowder, put it in a plastic bag and store it for more than 24 hours b...
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