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Noise-reduction heat-insulation wall material, preparation method thereof, noise-reduction heat-insulation building block and manufacturing method thereof

A technology for thermal insulation walls and thermal insulation blocks, which is applied in the fields of noise reduction thermal insulation wall materials and their preparation, noise reduction thermal insulation blocks and their production, can solve the problems of affecting the environment, occupying space, etc., and achieve simple process flow and improved The effect of strength, strong compressive and flexural properties

Pending Publication Date: 2019-03-08
WUHAN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In addition, with the development of my country's construction industry, the transformation of old cities and the development of new cities have produced a large amount of construction waste, which occupies space and affects the environment.

Method used

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  • Noise-reduction heat-insulation wall material, preparation method thereof, noise-reduction heat-insulation building block and manufacturing method thereof
  • Noise-reduction heat-insulation wall material, preparation method thereof, noise-reduction heat-insulation building block and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] According to the proportion of construction waste 65%, cement 28%, silica fume 2.5%, graphene oxide 1%, binder 2%, water reducing agent 0.5%, activator 0.5%, dispersant 0.5% ratio mixed material; Then add 35% water of cement quality and stir evenly to obtain mixture A; figure 1 Arranged into the mold in a manner that obtains as figure 2 The diagram of the mesh straw mold is shown. Pour mixture A into figure 2 In the mold, press molding under a certain pressure, remove the mold after 24 hours, and maintain it for 28 days under standard conditions (temperature 20±2°C, relative humidity above 95%) to obtain noise-reducing and heat-insulating wall materials.

[0062] The noise reduction and thermal insulation wall materials are respectively in accordance with the national standard "The Determination of Steady-state Thermal Resistance and Related Properties of Thermal Insulation Materials" GB / T 10294-2008 and "Standard Test for Determination of Sound Absorption and Sound...

Embodiment 2

[0064] According to the proportion of construction waste 69%, cement 25%, silica fume 2%, graphene oxide 0.8%, binder 2%, water reducing agent 0.4%, activator 0.4%, dispersant 0.4% ratio mixed material; Then add water with 40% cement mass and stir evenly to obtain mixture A. press the crop stalks figure 1 Arranged into the mold in a manner that obtains as figure 2 The diagram of the mesh straw mold is shown. Pour mixture A into figure 2 In the mold, press molding under a certain pressure, remove the mold after 24 hours, and maintain it for 28 days under standard conditions (temperature 20±2°C, relative humidity above 95%) to obtain noise-reducing and heat-insulating wall materials.

[0065] The noise reduction and thermal insulation wall materials are respectively in accordance with the national standard "The Determination of Steady-state Thermal Resistance and Related Properties of Thermal Insulation Materials" GB / T 10294-2008 and "Standard Test for Determination of Soun...

Embodiment 3

[0067] According to the proportion of construction waste 65%, cement 27%, silica fume 3%, graphene oxide 1%, binder 2.5%, water reducing agent 0.5%, activator 0.5%, dispersant 0.5% ratio mixed material; Then add 43% water of cement quality and stir evenly to obtain mixture A; figure 1 Arranged into the mold in a manner that obtains as figure 2 The diagram of the mesh straw mold is shown. Pour mixture A into figure 2 In the mold, press molding under a certain pressure, remove the mold after 24 hours, and maintain it for 28 days under standard conditions (temperature 20±2°C, relative humidity above 95%) to obtain noise-reducing and heat-insulating wall materials.

[0068] The noise reduction and thermal insulation wall materials are respectively in accordance with the national standard "The Determination of Steady-state Thermal Resistance and Related Properties of Thermal Insulation Materials" GB / T 10294-2008 and "Standard Test for Determination of Sound Absorption and Sound...

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Abstract

The invention belongs to the technical field of building materials, and particularly relates to a noise-reduction heat-insulation wall material, a preparation method thereof, a noise-reduction heat-insulation building block and a manufacturing method thereof. The method comprises the following steps: 1) preparing raw materials; 2) mixing aggregates, graphene oxide, cement and silica fume to obtaina mixture A; 3) successively adding a water reducing agent, a binder, an activating agent and water of which the mass is 30-40% of the mass of the cement in the mixture A, and stirring and mixing toobtain mixed slurry B; 4) processing crop straws into a straw frame; 5) pouring the mixed slurry B in a mold and carrying out pouring, placing the straw frame obtained in step 4) in the mold in the pouring process, demolding and then maintaining to obtain the final product. Main raw materials of the noise-reduction heat-insulation wall material are construction wastes, the problem that the construction wastes are difficult to treat is solved, and resourceful utilization of wastes is realized. By gap structures between the straws and the aggregates, a sound wave transmitting distance is lengthened, repeated refraction is carried out, energy of sound wave is weakened, and a noise-reduction effect is good.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a noise-reducing and heat-preserving wall material and a preparation method thereof, and a noise-reducing and heat-retaining block and a manufacturing method thereof. Background technique [0002] According to reports, there are hundreds of millions of tons of crop straws in China every year. Incineration not only wastes resources, but also causes serious environmental pollution. The treatment and resource utilization of straw have attracted widespread attention. The existing treatment methods for straw mainly include composting, feed conversion, ammoniation, solidification incineration and pyrolysis. The present invention is inspired by the wisdom and experience of working people. [0003] In addition, with the development of my country's construction industry, the reconstruction of old cities and the development of new cities have produced a large amount...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B111/52
CPCC04B28/00C04B2111/52C04B2201/32C04B18/16C04B18/146C04B22/02C04B24/2623C04B24/24C04B12/04C04B18/24C04B24/18
Inventor 李建芬郭朝强闫俊涛秦振华申文娟
Owner WUHAN POLYTECHNIC UNIVERSITY
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