Atmospheric drying preparation and microstructure characterization of fly ash aerogel thermal insulation material with superhydrophobic

2021 ◽  
Vol 303 ◽  
pp. 124425
Author(s):  
Zhiyong Liu ◽  
Chuyue Zang ◽  
Shu Zhang ◽  
Yunsheng Zhang ◽  
Zhengcheng Yuan ◽  
...  
Keyword(s):  
Fly Ash ◽  
Thermal Insulation ◽  
Microstructure Characterization ◽  
Insulation Material ◽  
Thermal Insulation Material

Preparation and Study on the Properties of Expanded Perlite / Fly Ash Floating Beads Insulation Material

2014 ◽  
Vol 540 ◽  
pp. 213-216
Author(s):  
Chuan Wei Du ◽  
Guo Zhong Li ◽  
Xiao Long Li
Keyword(s):  
Fly Ash ◽  
Thermal Insulation ◽  
Molding Pressure ◽  
Insulation Material ◽  
Test Results ◽  
Expanded Perlite ◽  
Optimum Ratio ◽  
Forming Process ◽  
Thermal Insulation Material ◽  
Microscopic Morphology

In this paper, expanded perlite / fly ash floating beads insulation material was made of expanded perlite, fly ash floating beads, cement, fly ash and VAE emulsion by adding decent additives, like waterproof agent, in the pressure forming process. The effects of molding pressure, VAE emulsion content, fly ash floating beads content and waterproofing agent content on the properties of thermal insulation material were studied, and the internal microscopic morphology of thermal insulation material was observed by SEM. Besides, the related action mechanism was explored. The test results show that the optimum ratio as follows: molding pressure of 0.46 MPa, VAE emulsion content of 20%, fly ash floating beads content of 20%, waterproof agent content of 7%.

Study on Preparation and Properties of Cement-Based Foamed Lightweight Thermal Insulation Material

2011 ◽  
Vol 306-307 ◽  
pp. 994-997
Author(s):  
Cong Cong Jiang ◽  
Guo Zhong Li ◽  
Shui Zhang
Keyword(s):  
Thermal Conductivity ◽  
Compressive Strength ◽  
Fly Ash ◽  
Thermal Insulation ◽  
Thermal Conductivity Coefficient ◽  
Steel Slag ◽  
Activation Mechanism ◽  
Dry Density ◽  
Insulation Material ◽  
Thermal Insulation Material

A cement-based foamed lightweight thermal insulation material was prepared with cement, industrial waste (fly ash, steel slag) as the main raw materials, by using self-developed composite activator and foaming agent. The influence of foam content on dry density, compressive strength and thermal conductivity coefficient of material was studied, the activation mechanism of composite activator to fly ash and steel slag was discussed. Results showed that, the dry density and compressive strength of material decreased, and thermal conductivity coefficient decreased first and then increased with the increasing foam content.

Research of the Main Influence Factors of Fly Ash Thermal Insulation Material

2010 ◽  
Vol 156-157 ◽  
pp. 839-843
Author(s):  
Jin Xia Zhang ◽  
Yi Miao Nie ◽  
Shi Chao Li ◽  
Fu Sheng Niu
Keyword(s):  
Compressive Strength ◽  
Fly Ash ◽  
Thermal Insulation ◽  
Influence Factors ◽  
Raw Material ◽  
Insulation Material ◽  
Thermal Insulation Material ◽  
Solid Liquid ◽  
The Relationship ◽  
Main Influence

By using fly ash as raw material to prepare thermal insulation material in this research. The relationship between the compressive strength and the influence factors was systematically discussed. The compressive strength of the samples reached max when the dosage of silica fume was 5%, sodium hydroxide 40%,the solid-liquid ratio was 0.75 and the content of foam was 4%. The experimental results provided a good basis for manufacturing the thermal insulation material and improving its property.

The Preparation of Red Mud Foam Lightweight Thermal Insulation Material

2014 ◽  
Vol 541-542 ◽  
pp. 104-107
Author(s):  
Long Ma ◽  
Guo Zhong Li
Keyword(s):  
Compressive Strength ◽  
Fly Ash ◽  
Thermal Insulation ◽  
Red Mud ◽  
Raw Materials ◽  
Insulation Material ◽  
Test Results ◽  
Sintering Process ◽  
Thermal Insulation Material ◽  
Properties Of Materials

Red mud foam lightweight thermal insulation material was prepared by red mud, fly ash, cement as main raw materials, adding a certain amount of adhesive, through ingredients, mixing, molding, foam, sintering process. The influence of the ratio of red mud and fly ash on the properties of materials was studied and the mechanism of influence was analyzed. The test results show that performances of the samples were best when the ratio of red mud and fly ash is 5:4 and its flexural strength is 0.44MPa, compressive strength is 1.23MPa, density is 481kg/m3.

scholarly journals Nano-montmorillonite modified foamed paste with a high volume fly ash binder

RSC Advances ◽  
2017 ◽  
Vol 7 (16) ◽  
pp. 9803-9812 ◽  
Author(s):  
Zhipeng Li ◽  
Jing Gong ◽  
Sen Du ◽  
Jianlin Wu ◽  
Jianfen Li ◽  
...  
Keyword(s):  
Fly Ash ◽  
Thermal Insulation ◽  
High Volume ◽  
Insulation Material ◽  
Thermal Insulation Material ◽  
Hydration Mechanism ◽  
High Volume Fly Ash

This study demonstrated a nanoclay-modified HVFA foamed paste as a thermal insulation material and obtained an in-depth understanding of its hydration mechanism.

scholarly journals Preparation and properties of silicate inorganic exterior wall insulation based on thermal energy storage

2020 ◽  
Vol 24 (5 Part B) ◽  
pp. 3109-3118
Author(s):  
Zifan Zhou ◽  
Guofu Tu ◽  
Feng Xu ◽  
Zhaofeng Song ◽  
Na Li
Keyword(s):  
Thermal Conductivity ◽  
Fly Ash ◽  
Thermal Insulation ◽  
Thermal Energy ◽  
Testing Machine ◽  
Insulation Material ◽  
Exterior Wall ◽  
Thermal Insulation Material ◽  
Insulation Materials ◽  
Insulation Performance

The key to building energy conservation is how to make the exterior wall have good thermal insulation performance, reduce the heat loss of the building?s peripheral structure, develop new exterior wall insulation materials, and effectively achieve energy saving. In this paper, a new type of composite silicate insulation material was prepared by using fly ash, sepiolite fiber, basalt fiber, and cement as raw materials. According to the analysis of the action of each component of the composite silicate thermal insulation material, the composite silicate thermal insulation material is prepared by selecting different raw material ratios, and the fly ash and sepiolite fibers are analyzed by a thermal conductivity measuring instrument and a hydraulic universal testing machine. The influence of water-cement ratio on the thermal conductivity, tensile strength, and compressive strength of composite silicate insulation materials. Through research, it is found that this composite silicate exterior wall insulation material utilizes some abandoned resources to help the building exterior wall to store thermal energy. The preparation process is simple, the insulation performance is good, the mechanical strength is high, and there is great promotion value and application prospect.

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