Phase-change energy-storage aluminum silicate plastering mortar as well as preparation method, application and use method thereof

Abstract

The invention provides phase-change energy-storage aluminum silicate plastering mortar as well as a preparation method, application and a use method thereof, and belongs to the field of building materials. The invention provides a dry material for phase-change energy-storage aluminum silicate plastering mortar, which is prepared from the following components in parts by mass: 100 to 800 parts of light silica sand, 100 to 300 parts of wollastonite, 100 to 300 parts of silica powder, 100 to 300 parts of aluminum silicate, 100 to 300 parts of mullite, 300 to 600 parts of magnesium chloride, 500 to 1200 parts of magnesium oxide, 50 to 150 parts of stearic acid and 3 to 10 parts of polypropylene short fiber. Through the synergistic effect of the components, the dry material for the phase-change energy-storage aluminum silicate plastering mortar has excellent strength after being mixed with water and dried, and has the characteristics of light weight, fire prevention, heat preservation and heat insulation.

Description

Technical Field

[0001] This invention relates to the field of building materials, and in particular to a phase change energy storage aluminum silicate plastering mortar, its preparation method, application and usage method. Background Technology

[0002] Currently, most residential buildings in hot-summer and cold-winter regions of my country use cement mortar for leveling and plastering on their exterior walls, and composite insulation boards are applied to the interior walls for energy-saving design. However, existing composite insulation boards (such as polystyrene particle insulation boards) suffer from poor strength. Summary of the Invention

[0003] The purpose of this invention is to provide a phase change energy storage aluminum silicate plastering mortar and its preparation, application and usage methods. The dry material of the phase change energy storage aluminum silicate plastering mortar of this invention has excellent lightweight fireproof and heat insulation properties and can replace cement mortar and composite insulation board.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solution:

[0005] This invention provides a dry material for phase change energy storage aluminum silicate plastering mortar, comprising the following components by weight: 100-800 parts of lightweight silica sand, 100-300 parts of wollastonite, 100-300 parts of silica fume, 100-300 parts of aluminum silicate, 100-300 parts of mullite, 300-600 parts of magnesium chloride, 500-1200 parts of magnesium oxide, 50-150 parts of stearic acid, and 3-10 parts of polypropylene short fibers.

[0006] Preferably, the bulk density of the lightweight silica sand is ≤110 kg / m³. 3 .

[0007] Preferably, the wollastonite comprises wollastonite fibers.

[0008] Preferably, the aluminum silicate has a particle size of 600 mesh or larger.

[0009] Preferably, the mullite has a mesh size of 40 to 80.

[0010] Preferably, the length of the polypropylene short fibers is 6-12 mm.

[0011] This invention also provides a method for preparing the dry material of the phase change energy storage aluminum silicate plastering mortar described in the above technical solution, comprising the following steps:

[0012] Lightweight silica sand, wollastonite, silica powder, aluminum silicate, mullite, and polypropylene short fibers are first mixed, and then mixed with magnesium chloride, magnesium oxide, and stearic acid to obtain the dry material for the phase change energy storage aluminum silicate plastering mortar.

[0013] The present invention also provides the application of the dry material for phase change energy storage aluminum silicate plastering mortar described in the above technical solution or the dry material for phase change energy storage aluminum silicate plastering mortar prepared by the preparation method described in the above technical solution in the construction field.

[0014] This invention also provides a method for using dry material of phase change energy storage aluminum silicate plastering mortar, comprising the following steps:

[0015] The phase change energy storage aluminum silicate plastering mortar is mixed with water and then applied to the surface of the building wall.

[0016] The dry material for phase change energy storage aluminum silicate plastering mortar is either the dry material for phase change energy storage aluminum silicate plastering mortar described in the above technical solution or the dry material for phase change energy storage aluminum silicate plastering mortar prepared by the preparation method described in the above technical solution.

[0017] The dry material of phase change energy storage aluminum silicate plastering mortar has low thermal conductivity and good thermal stability of each component, and the addition of phase change materials makes the dry material of phase change energy storage aluminum silicate plastering mortar also have low thermal conductivity and excellent thermal stability, and has phase change energy storage function. Moreover, through the synergistic effect of each component, the dry material of phase change energy storage aluminum silicate plastering mortar has excellent strength after being mixed with water and dried. It has lightweight, fireproof, heat insulation and heat insulation properties, and can replace cement mortar and insulation board at the same time.

[0018] The thermal insulation phase change energy storage aluminum silicate plastering mortar uses dry materials to replace cement plastering mortar and insulation boards, saving materials, construction procedures and wages, and reducing building carbon emissions. It also eliminates the need for thicker insulation boards on the exterior walls, increasing indoor space. Homebuyers will not need to remove it during home renovation, saving them removal costs and avoiding secondary construction waste, thus protecting the environment. Detailed Implementation

[0019] This invention provides a dry material for phase change energy storage aluminum silicate plastering mortar, comprising the following components by weight: 100-800 parts of lightweight silica sand, 100-300 parts of wollastonite, 100-300 parts of silica fume, 100-300 parts of aluminum silicate, 100-300 parts of mullite, 300-600 parts of magnesium chloride, 500-1200 parts of magnesium oxide, 50-150 parts of stearic acid, and 3-10 parts of polypropylene short fibers.

[0020] In this invention, the dry material for the phase change energy storage aluminum silicate plastering mortar comprises, by weight, 100-800 parts of lightweight silica sand, preferably 200 parts, 300 parts, 400 parts, 500 parts, 600 parts, or 700 parts; the bulk density of the silica is preferably ≤110 kg / m³. 3 ;

[0021] The dry material for the phase change energy storage aluminum silicate plastering mortar comprises 100 to 300 parts of wollastonite, preferably 120, 125, 150, 180, 200, 220, 250, or 280 parts by weight; the wollastonite is wollastonite fiber.

[0022] The dry material for the phase change energy storage aluminum silicate plastering mortar includes 100 to 300 parts of silica powder, preferably 120, 125, 150, 180, 200, 220, 250 or 280 parts by weight.

[0023] The dry material for the phase change energy storage aluminum silicate plastering mortar comprises 100 to 300 parts of aluminum silicate, preferably 120, 125, 150, 180, 200, 220, 250 or 280 parts by weight.

[0024] The dry material for the phase change energy storage aluminum silicate plastering mortar includes 100 to 300 parts of mullite, preferably 120, 125, 150, 180, 200, 220, 250 or 280 parts by weight.

[0025] The dry material for the phase change energy storage aluminum silicate plastering mortar includes 300-600 parts of magnesium chloride, preferably 350 parts, 400 parts, 450 parts, 500 parts or 550 parts by weight.

[0026] The dry material for the phase change energy storage aluminum silicate plastering mortar comprises 500 to 1200 parts of magnesium oxide, preferably 600, 700, 800, 900, 1000 or 1100 parts by weight.

[0027] The dry material of the phase change energy storage aluminum silicate plastering mortar includes 50 to 150 parts of stearic acid, preferably 75, 90, 100 or 125 parts by weight.

[0028] The dry material for the phase change energy storage aluminum silicate plastering mortar comprises 3 to 10 parts of polypropylene short fibers, preferably 4, 5, 6, 7, 8 or 9 parts by weight.

[0029] This invention also provides a method for preparing the dry material of the phase change energy storage aluminum silicate plastering mortar described above, comprising the following steps:

[0030] Lightweight silica sand, wollastonite, silica powder, aluminum silicate, mullite, and polypropylene short fibers are first mixed, and then mixed with magnesium chloride, magnesium oxide, and stearic acid to obtain the dry material for the phase change energy storage aluminum silicate plastering mortar.

[0031] The present invention does not have any special limitations on the first and second mixing; any method known to those skilled in the art can be used to mix them evenly.

[0032] The present invention also provides the application of the dry material for phase change energy storage aluminum silicate plastering mortar described in the above scheme or the dry material for phase change energy storage aluminum silicate plastering mortar prepared by the preparation method described in the above scheme in the field of building materials.

[0033] The dry material of the thermal insulation phase change energy storage aluminum silicate plastering mortar of the present invention can replace cement plastering mortar and insulation board at the same time, saving materials, construction procedures and wages, and reducing building carbon emissions; it eliminates the need for the thickness of the insulation board inside the exterior wall, thus increasing the interior space, etc. Homebuyers will not need to remove it during home decoration, saving them removal costs, avoiding secondary construction waste, and protecting the environment.

[0034] This invention also provides a method for using dry material of phase change energy storage aluminum silicate plastering mortar, comprising the following steps:

[0035] The phase change energy storage aluminum silicate plastering mortar is mixed with water and then applied to the surface of the building wall.

[0036] The dry material for phase change energy storage aluminum silicate plastering mortar is either the dry material for phase change energy storage aluminum silicate plastering mortar described in the above scheme or the dry material for phase change energy storage aluminum silicate plastering mortar prepared by the preparation method described in the above scheme.

[0037] In this invention, the preferred mass ratio of dry material to water in the phase change energy storage aluminum silicate plastering mortar is 1:1 to 1.2.

[0038] The following detailed description, in conjunction with embodiments, illustrates the phase change energy storage aluminum silicate plastering mortar provided by the present invention, its preparation method, application, and usage method. However, these descriptions should not be construed as limiting the scope of protection of the present invention.

[0039] Example 1

[0040] 500 portions with a bulk density of 100 kg / m³ 3 Lightweight silica sand, 150 parts wollastonite, 150 parts silica powder, 150 parts aluminum silicate that has passed through a 600-mesh sieve, 150 parts mullite with a 40-80 mesh sieve, and 5 parts short polypropylene fibers with a length of 6-12 mm are added to a mixer and stirred for 5-10 minutes. Then, 500 parts magnesium chloride, 1000 parts magnesium oxide, and 100 parts stearic acid are added and stirred for 5-10 minutes. Finally, the mixture is mixed with water (the mass ratio of dry material to water is 1:1) and dried.

[0041] The dried material has a thermal conductivity of 0.065 W / (m·K) and a bond strength of 0.35 MPa (JG / T 298-2010).

[0042] Example 2

[0043] 450 portions with a bulk density of 100 kg / m³ 3 Lightweight silica sand, 150 parts wollastonite, 200 parts silica powder, 175 parts aluminum silicate that has passed through a 600-mesh sieve, 125 parts 40-80 mesh mullite, and 5 parts 6-12 mm long polypropylene short fibers are added to a mixer and stirred for 5-10 minutes. Then, 450 parts magnesium chloride, 900 parts magnesium oxide, and 100 parts stearic acid are added and stirred for 5-10 minutes. Finally, the mixture is mixed with water (the mass ratio of dry material to water is 1:1) and dried.

[0044] The thermal conductivity of the dried material is 0.075 W / (m·K), and the bond strength is 0.35 MPa (JG / T298-2010).

[0045] Example 3

[0046] 400 portions with a bulk density of 100 kg / m³ 3 Lightweight silica sand, 150 parts wollastonite, 225 parts silica powder, 225 parts aluminum silicate that has passed through a 600-mesh sieve, 100 parts mullite of 40-80 mesh, and 5 parts polypropylene short fibers of 6-12 mm length are added to a mixer and stirred for 5-10 minutes. Then, 400 parts magnesium chloride, 800 parts magnesium oxide, and 100 parts stearic acid are added and stirred for 5-10 minutes. Finally, the mixture is mixed with water (the mass ratio of dry material to water is 1:1) and dried.

[0047] The dried material has a thermal conductivity of 0.085 W / (m·K) and a bond strength of 0.35 MPa (JG / T 298-2010).

[0048] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A dry material for phase change energy storage aluminum silicate plastering mortar, characterized in that, Based on parts by mass, it includes the following components: Lightweight silica sand 100-800 parts, wollastonite 100-300 parts, silica powder 100-300 parts, aluminum silicate 100-300 parts, mullite 100-300 parts, magnesium chloride 300-600 parts, magnesium oxide 500-1200 parts, stearic acid 50-150 parts, polypropylene short fiber 3-10 parts.

2. The dry material for phase change energy storage aluminum silicate plastering mortar according to claim 1, characterized in that, The bulk density of the lightweight silica sand is ≤110 kg / m³. 3 .

3. The dry material for phase change energy storage aluminum silicate plastering mortar according to claim 1, characterized in that, The wollastonite includes wollastonite fibers.

4. The dry material for phase change energy storage aluminum silicate plastering mortar according to claim 1, characterized in that, The aluminum silicate has a particle size of 600 mesh or larger.

5. The dry material for phase change energy storage aluminum silicate plastering mortar according to claim 1, characterized in that, The mullite has a mesh size of 40 to 80.

6. The dry material for phase change energy storage aluminum silicate plastering mortar according to claim 1, characterized in that, The polypropylene short fibers have a length of 6–12 mm.

7. The method for preparing the dry material of the phase change energy storage aluminum silicate plastering mortar according to any one of claims 1 to 6, characterized in that, Includes the following steps: Lightweight silica sand, wollastonite, silica powder, aluminum silicate, mullite, and polypropylene short fibers are first mixed, and then mixed with magnesium chloride, magnesium oxide, and stearic acid to obtain the dry material for the phase change energy storage aluminum silicate plastering mortar.

8. The application of the dry material for phase change energy storage aluminum silicate plastering mortar according to any one of claims 1 to 6 or the dry material for phase change energy storage aluminum silicate plastering mortar prepared by the preparation method according to claim 7 in the construction field.

9. A method for using a dry material of phase change energy storage aluminum silicate plastering mortar, characterized in that, Includes the following steps: The phase change energy storage aluminum silicate plastering mortar is mixed with water and then applied to the surface of the building wall. The dry material for phase change energy storage aluminum silicate plastering mortar is the dry material for phase change energy storage aluminum silicate plastering mortar as described in any one of claims 1 to 6, or the dry material for phase change energy storage aluminum silicate plastering mortar prepared by the preparation method described in claim 7.