Aerosol heat-preservation pouring material

Abstract

The aerogel heat-preservation pouring material comprises a material A and a material B. The material A is formed by mixing aerogel and solid waste according to the ratio of 1: (0.3-0.5), the material B is a curing agent, and the material A and the material B which are mixed are cured for 8-10 minutes according to the ratio of 1: 0.5 to form the aerogel heat-preservation pouring material. According to the aerogel heat-preservation pouring material, the waste utilization rate of plant straw powder or finished building heat-preservation plates reaches 30% or above, solid waste does not need to be transported outwards, the solid waste is firstly crushed on a roof and then is utilized, local materials are used, the waterproof problem of old building roof transformation and the original solid waste such as heat-preservation plates, bricks and stones and shoveled roof waterproof coiled materials are solved, and the heat-preservation effect is achieved. The environment is protected.

Description

Technical Field

[0001] The invention relates to the technical field of building curtain wall thermal insulation, in particular to aeroconcrete thermal insulation pouring material. Background Art

[0002] Building energy consumption has become one of the most important energy consumption units in my country, accounting for about 30% of the total social energy consumption, of which 60% of the energy loss is caused by building walls. Therefore, an important measure for building energy conservation is to transform and innovate energy-saving technologies on walls.

[0003] In view of the renovation of the roof of old buildings, the waterproofing problem of the roof of old buildings and the original insulation boards, bricks and stones, the removal of roof waterproofing membranes, etc. will generate solid waste. How to deal with these solid wastes to meet environmental protection requirements, under the premise of meeting the thermal conductivity coefficient, the present invention proposes an aeroconcrete insulation grouting material. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art and to provide an aerosol thermal insulation grouting material.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] The aeroconcrete thermal insulation grouting material comprises material A and material B. The material A is prepared by mixing aerogel and solid waste in a ratio of 1: (0.3-0.5), and the material B is a curing agent. The mixed material A and material B are cured for 8 to 10 minutes in a ratio of 1:0.5 to form a shape.

[0007] Further technology of the present invention:

[0008] Preferably, the solid waste is straw powder or waste powder of finished building insulation boards.

[0009] Preferably, the waste powder of the finished building insulation board is one or more of EPS waste powder, XPS waste powder or PU waste powder.

[0010] Preferably, the solid waste is straw powder, and the ratio of aerogel to straw powder at a high temperature of 45 degrees in summer is 1:0.3, and the ratio at a low temperature of minus 40 degrees in winter is 1:0.5.

[0011] Preferably, the solid waste is waste powder of finished building insulation boards, and the ratio of aerogel to waste powder of finished building insulation boards at a high temperature of 45 degrees in summer is 1:0.3, and the ratio at a low temperature of minus 40 degrees in winter is 1:0.5.

[0012] Compared with the prior art, the present invention has the following outstanding advantages and technical effects:

[0013] The aeroconcrete thermal insulation grouting material provided by the invention solves the problem that the waste utilization rate of plant straw powder or finished building insulation board reaches more than 30%. Solid waste does not need to be transported outside, but is first crushed on the roof and then reused, and local materials are used to solve the waterproofing problem of the roof reconstruction of old buildings and the original insulation board, bricks and stones, and the removal of roof waterproofing membranes and other solid wastes, which is green and environmentally friendly. DETAILED DESCRIPTION

[0014] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific embodiments.

[0015] The aeroconcrete thermal insulation grouting material comprises material A and material B. The material A is prepared by mixing aerogel and solid waste in a ratio of 1: (0.3-0.5), and the material B is a curing agent. The mixed material A and material B are cured for 8 to 10 minutes in a ratio of 1:0.5 to form a shape.

[0016] The solid waste is straw powder or finished building insulation board waste powder.

[0017] The waste powder of the finished building insulation board is one or more of EPS waste powder, XPS waste powder or PU waste powder.

[0018] It should be noted that in the aerogel, the mass ratio of hydrophilic modified aerogel to hydrophobic aerogel is 100:(0-100) and the content of the hydrophobic aerogel is not 0, preferably 100:(20-50), for example, 100:5, 100:10, 100:20, 100:30, 100:40, 100:60, 100:70, 100:80, 100:90. Studies have found that when the mass ratio of hydrophobic aerogel to hydrophilic modified aerogel is within the above range, the thermal insulation performance of the thermal insulation plaster can be guaranteed and the mechanical strength of the thermal insulation plaster can be maintained.

[0019] The particle size of the aerogel particles is 1 nm-50 nm, preferably 20 nm-50 nm, for example, 1 nm, 10 nm, 20 nm, 30 nm, 40 nm or 50 nm.

[0020] In Example 1, the solid waste is straw powder, the ratio of aerogel to straw powder is 1:0.3, mixed into material A, the material B is a curing agent, and the mixed material A and material B are cured for 8 to 10 minutes at a ratio of 1:0.5 to form a shape.

[0021] In the aerogel, the mass ratio of the hydrophilic modified aerogel to the hydrophobic aerogel is 100:20.

[0022] The particle size of aerogel particles is 10 nm.

[0023] In Example 2, the solid waste is waste powder of finished building insulation boards, the ratio of aerogel to waste powder of finished building insulation boards is 1:0.5, mixed into material A, the material B is a curing agent, and the mixed material A and material B are cured for 8 to 10 minutes at a ratio of 1:0.5 to form a shape.

[0024] In the aerogel, the mass ratio of the hydrophilic modified aerogel to the hydrophobic aerogel is 100:90.

[0025] The particle size of the aerogel particles is 40 mm.

[0026] The aeroconcrete thermal insulation pouring material prepared by the above two embodiments has been tested, and the air-dry density (kg / m3) can reach 35-70kg, the closed porosity exceeds 95%, the thermal conductivity (W / m*K) is 0.025-0.038, and the combustion performance meets the A1 standard.

[0027] The above shows and describes the basic principles, main features and characteristics of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of the present invention to be protected is defined by the attached claims and their equivalents.

Claims

1. Aeroconcrete thermal insulation grouting material, characterized in that: The invention comprises material A and material B. The material A is prepared by mixing aerogel and solid waste in a ratio of 1: (0.3-0.5). The material B is a curing agent. The mixed material A and material B are cured for 8-10 minutes in a ratio of 1: 0.5 to form a shape.

2. The aerosol thermal insulation grouting material according to claim 1, characterized in that: The solid waste is straw powder or finished building insulation board waste powder.

3. The aerosol thermal insulation grouting material according to claim 2, characterized in that: The waste powder of the finished building insulation board is one or more of EPS waste powder, XPS waste powder or PU waste powder.

4. The aerosol thermal insulation grouting material according to claim 2, characterized in that: The solid waste is straw powder, and the ratio of aerogel to straw powder at a high temperature of 45 degrees in summer is 1:0.3, and the ratio at a low temperature of minus 40 degrees in winter is 1:0.

5.

5. The aerosol thermal insulation grouting material according to claim 2, characterized in that: The solid waste is waste powder of finished building insulation boards. The ratio of aerogel to waste powder of finished building insulation boards at a high temperature of 45 degrees in summer is 1:0.3, and the ratio at a low temperature of minus 40 degrees in winter is 1:0.5.