Coating material for preventing carbon deposition for coke pot lining plate and use method of coating material
A technology of smear and lining plate, applied in the field of CDQ, can solve the problems such as burning of the lining plate of CDQ coke tank, difficult infiltration and falling off of tar, etc., and achieve the effect of good dispersion effect.
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Embodiment 1
[0043] A smear material for preventing carbon deposition for coke tank lining boards, its raw material composition and weight percentage: mullite aggregate with a particle size of 3-1mm: 24%, silicon carbide with a particle size of 3-1mm: 5%, particle size Mullite aggregate ≤1mm: 11%, andalusite with particle size ≤0.1mm: 7%, mullite with particle size ≤0.045mm: 26%, silicon carbide with particle size ≤0.045mm: 12%, particle size ≤0.045mm Boron nitride: 0.6%, metal silicon powder with a particle size of ≤0.045mm: 3%, water-soluble silicone resin solution: 2%, glass-ceramic powder with a particle size of ≤0.045mm: 4%, silicon oxide content of 32% Silica sol: 5%, Polymeric sodium acrylate: 0.4%.
[0044] The composition and weight percentage of the glass-ceramic powder with particle size ≤ 0.045mm is B 2 o 3 : 10%; SiO 2 : 65%; Al 2 o 3 : 8%; Na 2 O: 12%; K 2 O: 5%; its melting point is 908°C; it can be prepared according to conventional methods.
[0045] A method for us...
Embodiment 2
[0057] A smear material for preventing carbon deposition for coke tank lining boards, its raw material composition and weight percentage: mullite aggregate with a particle size of 3-1mm: 20%, silicon carbide with a particle size of 3-1mm: 9%, particle size Mullite aggregate ≤1mm: 10%, andalusite with particle size ≤0.1mm: 5%, mullite with particle size ≤0.045mm: 28.4%, silicon carbide with particle size ≤0.045mm: 10%, particle size ≤0.045mm Boron nitride: 2%, metal silicon powder with a particle size of ≤0.045mm: 1%, water-soluble silicone resin solution: 4%, glass-ceramic powder with a particle size of ≤0.045mm: 3%, silicon oxide content of 36% Silica sol: 7%, Polymeric sodium acrylate: 0.6%.
[0058] The composition and weight percentage of the glass-ceramic powder with particle size ≤ 0.045mm is B 2 o 3 : 9.5%; SiO 2 : 61%; Al 2 o 3 : 14%; Na 2 O: 11%; K 2 O: 4.5%; its melting point is 1050°C. It is melted according to the composition of oxides, cooled, and ground t...
Embodiment 3
[0071] A smear material for preventing carbon deposition for coke tank liners, its raw material composition and weight percentage: mullite aggregate with a particle size of 3-1mm: 25%, silicon carbide with a particle size of 3-1mm: 6%, particle size Mullite aggregate ≤1mm: 6%, andalusite with particle size ≤0.1mm: 8%, mullite with particle size ≤0.045mm: 25.5%, silicon carbide with particle size ≤0.045mm: 5.5%, particle size ≤0.045mm Boron nitride: 3%, metal silicon powder with a particle size of ≤0.045mm: 4%, water-soluble silicone resin solution: 1.1%, glass-ceramic powder with a particle size of ≤0.045mm: 7%, silicon oxide content of 38% Silica sol: 8.8%, Polymeric sodium acrylate: 0.1%.
[0072] The composition and weight percentage of the glass-ceramic powder with particle size ≤ 0.045mm is B 2 o 3 : 12.5%; SiO 2 : 62%; Al 2 o 3 : 10%; Na 2 O: 13%; K 2 O: 2.5%; its melting point is 1020°C; it can be prepared according to conventional methods.
[0073] A method for...
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