High-temperature infrared radiant coating used for industrial furnace and preparation method thereof
A high-temperature infrared and radiation coating technology, applied in the field of infrared radiation coatings, can solve the problems of poor thermal shock resistance, unstable radiation performance, and low use temperature of coatings, and achieve the effect of improving construction performance and excellent thermal stability.
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Embodiment 1
[0042] The mid-infrared radiation base material of the component is composed of 30wt% MnO 2 , 50wt% chrome green (industrial grade), 5wt% CuO, 5wt% Fe 2 o 3 , 5wt%TiO 2 , 2.5wt%Co 2 o 3 , 2.5wt%Ni 2 o 3 The proportioning ingredients, and prepare the infrared radiation base material with spinel structure according to the following experimental steps:
[0043] 1) The raw materials required for the preparation of the infrared radiation base material are subjected to wet ball milling according to the mass ratio of the mixed ball milling material and distilled water as 1:1.5, adding distilled water, and ball milling for 12 hours at a rotating speed of 320r / min; The ball abrasive is dried at 110°C.
[0044] 2) Press-molding the dried ball abrasive with a molding pressure of 35Mpa, and press it into a small round block with a diameter of 30mm and a thickness of 5-10mm.
[0045] 3) Put the shaped green body in a fast heating box-type experimental electric furnace for sintering...
Embodiment 2
[0052] The mid-infrared radiation base material of the component is composed of 50wt% MnO 2 , 30wt% chrome green (industrial grade), 5wt% CuO, 5wt% Fe 2 o 3 , 5wt%TiO 2 , 2.5wt%Co 2 o 3 , 2.5wt%Ni 2 o 3 The proportioning ingredients, and prepare the infrared radiation base material with spinel structure according to the following experimental steps:
[0053] 1) The raw materials required for the preparation of the infrared radiation base material were wet ball milled according to the mass ratio of the mixed ball mill and distilled water as 1:1, and distilled water was added, and the ball milled for 12 hours under the condition of a rotating speed of 320r / min; The ball abrasive is dried at 115°C.
[0054] 2) Press-molding the dried ball abrasive with a molding pressure of 35Mpa, and press it into a small round block with a diameter of 30mm and a thickness of 5-10mm.
[0055] 3) Put the shaped green body in a rapid heating box-type experimental electric furnace for sinte...
Embodiment 3
[0062]The component infrared radiation base material is composed of 40wt% MnO 2 , 40wt% chrome green (industrial grade), 5wt% CuO, 5wt% Fe 2 o 3 , 5wt%TiO 2 , 2.5wt%Co 2 o 3 , 2.5wt%Ni 2 o 3 The proportioning ingredients, and prepare the infrared radiation base material with spinel structure according to the following experimental steps:
[0063] 1) The raw materials required for the preparation of the infrared radiation base material are subjected to wet ball milling according to the mass ratio of the mixed ball milling material and distilled water as 1:1.2, adding distilled water, and ball milling for 12 hours at a speed of 320r / min; The ball abrasive is dried at 113°C.
[0064] 2) Compress the dried ball abrasive into a small round block with a diameter of 30mm and a thickness of 5-10mm at a molding pressure of 38Mpa.
[0065] 3) Put the shaped green body in a rapid heating box-type experimental electric furnace for sintering at a sintering temperature of 1400°C, ke...
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