Method for preparing vanadium-titanium tailings ceramic heat-collecting plate
A technology of ceramic heat collection and tailings, which is applied in the direction of heating devices, solar thermal devices, solar thermal power generation, etc., can solve the problems of low efficiency and achieve the effect of reducing production costs and strengthening decoration
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Embodiment 1
[0018] a. Preparation of the heat collecting layer (1): After uniformly mixing the Yellow River silt and vanadium-titanium tailings with a weight ratio of 50:50 plus ceramic pigments with a weight percentage of 5%, melt in a frit furnace at a temperature of 1350°C Process to make heat-collecting layer frit particles with a particle size of 0.1 mm;
[0019] b. Preparation of the transition layer (2): uniformly mix and grind the heat-collecting layer frit particles prepared in step a with 5% by weight of mullite until the particle size is 10 μm to make the transition layer raw material;
[0020] c. Preparation of the insulation layer (3): After uniformly mixing the heat-collecting layer frit particles prepared in step a with 5% coal gangue by weight percentage, the insulation layer raw material with a particle size of 0.1mm is made by spray granulation;
[0021] d. Preparation of vanadium-titanium tailings ceramic heat collector plate: first adopt the setter plate (4) left, righ...
Embodiment 2
[0023] a. Preparation of the heat-collecting layer (1): Mix the Yellow River silt, vanadium-titanium tailings with a weight ratio of 70:30 plus ceramic pigments with a weight percentage of 18%, and melt them in a frit furnace at a temperature of 1400°C Process to make heat-collecting layer frit particles with a particle size of 1mm;
[0024] b. Preparation of the transition layer (2): uniformly mix and grind the heat-collecting layer frit particles prepared in step a with 13% by weight of mullite until the particle size is 30 μm to make the transition layer raw material;
[0025] c. Preparation of the insulation layer (3): the heat-collecting layer frit particles prepared in step a plus 12% coal gangue by weight percentage are evenly mixed, and the insulation layer raw material with a particle size of 0.5mm is made by spray granulation;
[0026] d. Preparation of vanadium-titanium tailings ceramic heat collector plate: first adopt the setter plate (4) left, right, front, back ...
Embodiment 3
[0028] a. Preparation of the heat collecting layer (1): After uniformly mixing the Yellow River silt and vanadium-titanium tailings with a weight ratio of 90:10 plus a ceramic pigment of 30% by weight, melt at a temperature of 1450°C in a frit furnace Process to make heat-collecting layer frit particles with a particle size of 2mm;
[0029] b. Preparation of the transition layer (2): uniformly mix and grind the heat-collecting layer frit particles prepared in step a with 20% by weight of mullite until the particle size is 50 μm to make the transition layer raw material;
[0030] c. Preparation of the insulation layer (3): After the heat-collecting layer frit granules prepared in step a are added with 30% coal gangue by weight and evenly mixed, the insulation layer raw material with a particle size of 1mm is made by spray granulation;
[0031] d. Preparation of vanadium-titanium tailings ceramic heat collector plate: first adopt the setter plate (4) left, right, front, back and...
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