A kind of building lightweight wall panel and preparation method thereof

Abstract

The invention provides a building lightweight wallboard and a preparation method thereof. The preparation method may include the following steps: according to the mass ratio of 65-90:10-35:0-2, uniformly mix the magnesium silicate active powder, the gelling material and the auxiliary agent to obtain the mixed gelling material; according to the mass ratio 45~60: 15~40: 0~15: 0~15: 0~5: 6~25, mix the mixed cement material, magnesium silicate sand, construction sand, lightweight aggregate, reinforcing fiber and water evenly , to obtain building mortar; putting the building mortar into a forming mold, forming, and demoulding to obtain a building lightweight wallboard blank; curing the building lightweight wallboard blank to obtain a building lightweight wallboard. The building lightweight wallboard includes the products prepared according to the above method. The invention expands the material source of the lightweight wallboard, realizes resource utilization of various asbestos-containing wastes, and the prepared product has the advantages of light weight, fire resistance, heat insulation, flame retardancy and the like.

Description

technical field

[0001] The invention relates to the field of energy treatment and utilization, in particular, to a building lightweight wallboard and a preparation method thereof. Background technique

[0002] Due to its light weight and thermal insulation performance, light wall panels have been called the representative and model of modern new building materials, and are the vanguard of new green building materials vigorously developed by the state and local governments, especially in the application of interior partition walls. The material of the partition wall is completely comparable to that of bricks. Moreover, the lightweight partition material, energy saving and environmental protection, light weight and easy to use, has been widely welcomed by people, and its market share has continued to rise.

[0003] The main raw materials of lightweight wallboard are: cement, gypsum, GRC, magnesite, slag, powder ash, expanded polystyrene particles, expanded perlite, lightweigh...

Examples

example 1

[0081] A preparation method of a building lightweight wallboard, comprising the following steps:

[0082] (1) Using serpentinite tailings as raw materials, crushing under reduced pressure, grinding, and calcining at 850°C for 10 minutes to obtain magnesium silicate active powder.

[0083] The mass percentage content of the main chemical composition of the powder and granular body is: MgO 38%, SiO 2 41%, CaO 3%, Fe 2 O 3 5%, Al 2 O 3 11%. Among them, the content of the main crystalline phase olivine accounts for 8%, the content of the amorphous phase accounts for 90%, and the content of the remaining crystalline phases accounts for 2%.

[0084] (2) The obtained magnesium silicate active powder and lime are batched in a mass ratio of 80:20 and stirred evenly to obtain a mixed cementitious material for building mortar.

[0085] (3) The asbestos tailings are crushed and calcined at 900° C. for 60 minutes to obtain magnesia silicate sand with olivine and enstatite content ...

example 2

[0089] A preparation method of a building lightweight wallboard, comprising the following steps:

[0090] (1) Using asbestos tailings as raw materials, crushing under reduced pressure, grinding, and calcining at 700°C for 60min to obtain magnesium silicate active powder.

[0091] The mass percentage content of the main chemical composition of the powder and granular body is: MgO 30%, SiO 2 45%, CaO 5%, Fe 2 O 3 9%, Al 2 O 3 9%. Among them, the content of the main crystalline phase olivine accounts for 15%, the content of the amorphous phase accounts for 80%, and the content of the remaining crystalline phases accounts for 5%.

[0092] (2) The magnesium silicate active powder is mixed with cement and water reducing agent in a mass ratio of 85:19.7:0.3 and mixed evenly to obtain a mixed cementitious material for building mortar.

[0093](3) The asbestos tailings are crushed and calcined at 1100° C. for 15 minutes to obtain magnesia silicate with olivine and enstatite con...

example 3

[0097] A preparation method of a building lightweight wallboard, comprising the following steps:

[0098] (1) Using asbestos tailings as raw materials, crushing under reduced pressure, grinding, and calcining at 750°C for 30 minutes to obtain magnesium silicate active powder.

[0099] The mass percentage content of the main chemical composition of the powder and granular body is: MgO 35%, SiO 2 39%, CaO 4%, Fe 2 O 3 8%, Al 2 O 3 12%. Among them, the content of the main crystalline phase olivine accounts for 10%, the content of the amorphous phase accounts for 87%, and the content of the remaining crystalline phases accounts for 3%.

[0100] (2) The obtained magnesium silicate active powder and plaster of paris are batched in a mass ratio of 70:30 and stirred evenly to obtain a mixed cementitious material for building mortar.

[0101] (3) Crushing the serpentine tailings and calcining at 1000° C. for 30 minutes to obtain magnesia silicate sand with olivine and enstatite...

technical field

[0001] The invention relates to the field of energy treatment and utilization, in particular, to a building lightweight wallboard and a preparation method thereof. Background technique

[0002] Due to its light weight and thermal insulation performance, light wall panels have been called the representative and model of modern new building materials, and are the vanguard of new green building materials vigorously developed by the state and local governments, especially in the application of interior partition walls. The material of the partition wall is completely comparable to that of bricks. Moreover, the lightweight partition material, energy saving and environmental protection, light weight and easy to use, has been widely welcomed by people, and its market share has continued to rise.

[0003] The main raw materials of lightweight wallboard are: cement, gypsum, GRC, magnesite, slag, powder ash, expanded polystyrene particles, expanded perlite, lightweigh...

Examples

example 1

[0081] A preparation method of a building lightweight wallboard, comprising the following steps:

[0082] (1) Using serpentinite tailings as raw materials, crushing under reduced pressure, grinding, and calcining at 850°C for 10 minutes to obtain magnesium silicate active powder.

[0083] The mass percentage content of the main chemical composition of the powder and granular body is: MgO 38%, SiO 2 41%, CaO 3%, Fe 2 O 3 5%, Al 2 O 3 11%. Among them, the content of the main crystalline phase olivine accounts for 8%, the content of the amorphous phase accounts for 90%, and the content of the remaining crystalline phases accounts for 2%.

[0084] (2) The obtained magnesium silicate active powder and lime are batched in a mass ratio of 80:20 and stirred evenly to obtain a mixed cementitious material for building mortar.

[0085] (3) The asbestos tailings are crushed and calcined at 900° C. for 60 minutes to obtain magnesia silicate sand with olivine and enstatite content ...

example 2

[0089] A preparation method of a building lightweight wallboard, comprising the following steps:

[0090] (1) Using asbestos tailings as raw materials, crushing under reduced pressure, grinding, and calcining at 700°C for 60min to obtain magnesium silicate active powder.

[0091] The mass percentage content of the main chemical composition of the powder and granular body is: MgO 30%, SiO 2 45%, CaO 5%, Fe 2 O 3 9%, Al 2 O 3 9%. Among them, the content of the main crystalline phase olivine accounts for 15%, the content of the amorphous phase accounts for 80%, and the content of the remaining crystalline phases accounts for 5%.

[0092] (2) The magnesium silicate active powder is mixed with cement and water reducing agent in a mass ratio of 85:19.7:0.3 and mixed evenly to obtain a mixed cementitious material for building mortar.

[0093](3) The asbestos tailings are crushed and calcined at 1100° C. for 15 minutes to obtain magnesia silicate with olivine and enstatite con...

example 3

[0097] A preparation method of a building lightweight wallboard, comprising the following steps:

[0098] (1) Using asbestos tailings as raw materials, crushing under reduced pressure, grinding, and calcining at 750°C for 30 minutes to obtain magnesium silicate active powder.

[0099] The mass percentage content of the main chemical composition of the powder and granular body is: MgO 35%, SiO 2 39%, CaO 4%, Fe 2 O 3 8%, Al 2 O 3 12%. Among them, the content of the main crystalline phase olivine accounts for 10%, the content of the amorphous phase accounts for 87%, and the content of the remaining crystalline phases accounts for 3%.

[0100] (2) The obtained magnesium silicate active powder and plaster of paris are batched in a mass ratio of 70:30 and stirred evenly to obtain a mixed cementitious material for building mortar.

[0101] (3) Crushing the serpentine tailings and calcining at 1000° C. for 30 minutes to obtain magnesia silicate sand with olivine and enstatite...