Manufacture method of fireproof door
A production method and technology for fire doors, which are applied in fire doors and other directions, can solve the problems that fire doors are not easy to achieve optimal fire protection, instability, and the complexity of key manufacturing processes, and are suitable for large-scale promotion, solving thermal bridges, isolation and other problems. The effect of thermal performance improvement
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Embodiment 1
[0016] Embodiment one: a kind of manufacture method of fireproof door that the present invention develops, comprises the following steps, (1) in the mould of door, coat cementitious material A as the surface layer of door: mold comprises die and flat die, in concave Coating cementing material A in the mold as the bottom layer of the door, and coating cementing material A in the flat mold as the upper layer of the door; the thickness of the coating of cementing material A can be mastered according to the actual situation, generally the best is 2-4mm.
[0017] (2) On the bottom surface layer of (1), coat the Japanese-shaped cementitious material B as the skeleton of the door; the height and width of the Japanese-shaped skeleton can also be mastered according to the actual situation, and the height of 3-3 is generally preferred. 3.5mm, width 3-5mm, in order to save cost, use less material.
[0018] (3) After step (2), pour the cementitious material C into the concave mold; the c...
Embodiment 2
[0029] Embodiment 2: A kind of manufacture method of fireproof door that the present invention develops, comprises the following steps, (1) coats cementitious material A in the mold of the door as the surface layer of the door: the mold includes a die and a die, Coating cementitious material A in the mold as the bottom surface layer of the door, and coating cementitious material A in the flat mold as the upper layer of the door;
[0030] (2) On the bottom surface layer of (1), coat the sun-shaped cementitious material B as the skeleton of the door;
[0031] (3) After step (2), pour cementitious material C into the die;
[0032] (4) Cover the flat mold in (1) on the concave mold, close the mold with a pressure of 2 to 4 tons, and remove the mold after curing to obtain a fire door.
[0033] In the step (1), the cementitious material A includes light-burned magnesium oxide, magnesium sulfate heptahydrate solution with a specific gravity of 1.9 to 2.0, modified sodium silicate, p...
Embodiment 3
[0040] Embodiment 3: A kind of manufacture method of fireproof door developed by the present invention comprises the following steps, (1) coating gelling material A in the mold of the door as the surface layer of the door: the mold includes a die and a die, and Coating cementitious material A in the mold as the bottom surface layer of the door, and coating cementitious material A in the flat mold as the upper layer of the door;
[0041] (2) On the bottom surface layer of (1), coat the sun-shaped cementitious material B as the skeleton of the door;
[0042] (3) After step (2), pour cementitious material C into the die;
[0043] (4) Cover the flat mold in (1) on the concave mold, close the mold with a pressure of 2 to 4 tons, and remove the mold after curing to obtain a fire door.
[0044] In the step (1), the cementitious material A includes light-burned magnesium oxide, magnesium sulfate heptahydrate solution with a specific gravity of 1.9 to 2.0, modified sodium silicate, ph...
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