Preparation method for manufacturing building board by utilizing mine tailing residue
A technology of building boards and tailings slag, which is applied in the direction of manufacturing tools, pressure rollers, ceramic molding machines, etc., can solve the problems of complex process and high manufacturing cost, and achieve the effects of wide application range, low production cost and high product performance
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Embodiment 1
[0028] (1) Magnesium oxide 100kg
[0029] (2) tailings slag 60kg
[0030] (3) Wood chips (-50~100 mesh) 30kg
[0031] (4) Polystyrene foam 3kg
[0032] (5) modifier 1.7kg
[0033] Stir the material into a paste with 28% (weight percent) brine solution, put it into a mold of medium-alkali glass fiber and polypropylene non-woven fabric, and press the plate for a second time to form it through a squeeze roller. The modifying agent can be calcium lignosulfonate, sodium tripolyphosphate, iron sulfate, phosphoric acid.
Embodiment 2
[0035] (1) Magnesium oxide 200kg
[0036] (2) tailings slag 600kg
[0037] (3) Epoxy resin 50kg
[0038] (4) Perlite 10kg
[0039] (5) modifier 10kg
[0040] (6) Polystyrene foam 5kg
[0041] Preparation method: use 25% (percentage by weight) brine solution to stir the material into a paste and put it into a mold for roll forming to make building interior wall slats. The modifying agent can be calcium lignosulfonate, sodium tripolyphosphate, iron sulfate, phosphoric acid.
Embodiment 3
[0043] (1) Magnesium oxide 500kg
[0044] (2) tailings slag 1000kg
[0045] (3) Closed-cell perlite 180kg
[0047] (5) Polystyrene foam 10kg
[0048] (6) White cement (800#) 100kg
[0049] Preparation method: Stir the material into a paste with a 31% brine solution by weight and put it into a mold for six hours to demould. Building materials of various shapes used in ancient buildings.
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