A preparation method of dolomite composite construction waste building board
A technology of construction waste and building boards, which is applied in the field of building materials, can solve the problems of waste of recyclable parts, environmental pollution, etc., and achieve the effect of improving the structural strength of boards, uniform internal structure, and dense organization
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Embodiment 1
[0014] Method for preparing a plate material of a dolomite composite building scrap construction, including the following steps:
[0015] S1: Calcined, bulld of Dolomite into a diameter of 2 cm, placed in a calciner, calcined at a temperature of 1000 ° C for 3 hours, naturally cooled and crushing and crushing, then spraying water mixing and mixing, moisture content 30% of the digestive material, re-indigestion for 20 minutes, then re-calcination of the digestible material, calcined at 1600 ° C, after calcination for 2 hours, naturally cooled, crushing over 200 mesh sieve, affiliated dolomite powder, spare;
[0016] S2: Recycling construction waste, using a jaw crusher to crude the construction waste, and remove metal impurities through the magnetic option, and then use flotation machine to clean and flothe the waste, remove plastics, wood impurities, collect construction waste, The grinding machine is used to ground, produce the construction residue, and divided into one residue, ...
Embodiment 2
[0021] Method for preparing a plate material of a dolomite composite building scrap construction, including the following steps:
[0022] S1: Calcined, bulld of Dolomite into a diameter of 3 cm, a white cloud stone is placed in a calciner, calcined at 1050 ° C for 3.5 hours, naturally cooling and crushing and pulverizing, then spraying water mixing and mixing, moisture content is 40% of the digestive material, re-indigestion for 30 minutes, then re-calcine the digestible material, calcined temperature 1650 ° C, calcined after 2.5 hours, naturally cooled, pulverized over 200 mesh sieve, affected Dolomite powder, spare;
[0023] S2: Recycling construction waste, using a jaw crusher to crude the construction waste, and remove metal impurities through the magnetic option, and then use flotation machine to clean and flothe the waste, remove plastics, wood impurities, collect construction waste, The grinding machine is used to ground, produce the construction residue, and divided into o...
Embodiment 3
[0028] Method for preparing a plate material of a dolomite composite building scrap construction, including the following steps:
[0029] S1: Calcination, bullion of Dolomite into a diameter of 4 cm is placed in a calciner, calcined in a calciner in a calciner, and then calcined for 4 hours at a temperature of 1100 ° C. After natural cooling, it is removed and crushed, and then mixed with water, mixed with water, and mixed with water. 50% of the digestive material, re-indigestion 40 minutes, then re-furnish the digestible material, calcination temperature 1700 ° C, after calcination for 3 hours, naturally cooled after pulverizing 200 mesh sieve, affiliated dolomite powder, spare;
[0030] S2: Recycling construction waste, using a jaw crusher to crude the construction waste, and remove metal impurities through the magnetic option, and then use flotation machine to clean and flothe the waste, remove plastics, wood impurities, collect construction waste, The grinding machine is used ...
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Abstract
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