A high-density ceramic fiber board with built-in embedded parts and its integral molding method
A technology of ceramic fiberboard and ceramic fiber, which is applied in the field of ceramic fiberboard, can solve the problems of high-density fiberboard strength decline, fiberboard shedding, and strength deterioration, and achieve the effects of small heat dissipation loss, low cost, and short construction period
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Embodiment 1
[0059] (1) Inject water into the beater, add 400kg of sprayed ceramic fibers and 200kg of spun ceramic fibers into the beater, and the beating concentration is 15wt%, and the dispersion is uniform.
[0060] (2) Water, 200 kg of 30% silica sol and 400 kg of magnesium oxide powder were added to the beating machine, and the mixture was uniformly dispersed to prepare a slurry with a concentration of 2 wt %.
[0061] (3) The slurry in step (2) is transported to the slurry mixing tank, 20kg of filter aid is added, and the mixture is evenly mixed to flocculate all the materials together to make the water clear.
[0062] (4) The flocculated slurry is copied and formed through the fourdrinier wire, and presses on the fourdrinier wire when forming. figure 1 and figure 2 The pre-embedded parts are placed in advance, and then pressed to the corresponding thickness of the wet blank. The thickness of the wet blank is 35mm, and it is transported to the drying room for drying. The drying te...
Embodiment 2
[0065] (1) Inject water into the beater, add 300kg of blown ceramic fiber and 400kg of spun ceramic fiber into the beater, and disperse evenly.
[0066] (2) Water, 300 kg of 30% silica sol, 300 kg of alumina powder, and 200 kg of pyrophyllite were added to the beating machine, and the mixture was uniformly dispersed to prepare a slurry with a concentration of 3 wt %.
[0067] (3) The slurry in step (2) is transported to the slurry mixing tank, 40kg of filter aid is added, and the mixture is evenly mixed to flocculate all the materials together to make the water clear.
[0068] (4) The flocculated slurry is copied and formed through the fourdrinier wire, and presses on the fourdrinier wire when forming. figure 1 and figure 2 The pre-embedded parts are placed in advance, and then pressed to the corresponding thickness of the wet blank. The thickness of the wet blank is 45mm, and it is transported to the drying room for drying. The drying temperature is 150-160 °C.
[0069] Th...
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