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Infrared-reflecting porous negative-carbon cement and preparation method thereof

A technology of infrared reflection and carbon cement, applied in the field of cement and its preparation, can solve the problem of high energy consumption of air conditioners, and achieve the effects of reducing building energy consumption, reducing carbon emissions, and isolating infrared radiation

Inactive Publication Date: 2014-02-05
苏州负碳谷材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the large air-conditioning energy consumption caused by heat radiation in solar energy in existing life, the present invention provides an infrared reflective porous negative carbon cement and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Example 1, 50 parts of coal gangue and 5 parts of gypsum were ground for 30 minutes; 8 parts of straw were pulverized into powder; 5 parts of nano-silica and 4 parts of zirconia were ground for 20 minutes; Coal gangue, gypsum, nano silicon dioxide, nano zirconia and crushed straw are fully stirred for 30 minutes to obtain the required infrared reflective porous carbon-negative cement.

Embodiment 2

[0014] Example 2, 70 parts of coal gangue and 10 parts of gypsum were ground for 60 minutes; 15 parts of straw were crushed into powder; 15 parts of nano-silica and 10 parts of zirconia were ground for 40 minutes; Coal gangue, gypsum, nano silicon dioxide, nano zirconia and crushed straw are fully stirred for 50 minutes to obtain the required infrared reflective porous carbon-negative cement.

Embodiment 3

[0015] Example 3, grind 60 parts of coal gangue and 8 parts of gypsum for 45 minutes; crush 10 parts of straw to powder; grind 10 parts of nano-silica and 7 parts of zirconia for 30 minutes; Coal gangue, gypsum, nano silicon dioxide, nano zirconia and crushed straw are fully stirred for 40 minutes to obtain the desired infrared reflective porous carbon-negative cement.

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Abstract

The invention relates to infrared-reflecting porous negative-carbon cement comprising the following components: by weight, 50-70 parts of coal gangue, 5-10 parts of gypsum, 8-15 parts of straw, 5-15 parts of nano silica and 4-10 parts of nano zirconia. A preparation method of the infrared-reflecting porous negative-carbon cement is as follows: grinding the 50-70 parts of coal gangue and the 5-10 parts of gypsum for 30-60 min; crushing the 8-15 parts of straw into powder; grinding the 5-15 parts of nano silica and 4-10 parts of nano zirconia for 20-40 min; adding the ground coal gangue, gypsum, nano silica and nano zirconia and the crushed straw into a mixing container, fully stirring for 30-50 min to obtain the needed infrared-reflecting porous negative-carbon cement. The infrared-reflecting porous negative-carbon cement can effectively isolate infrared irradiation to reduce building energy consumption and reduce carbon emissions, and can absorb carbon dioxide in use processes.

Description

technical field [0001] The invention relates to a cement and a preparation method thereof, in particular to an infrared reflective porous negative carbon cement and a preparation method thereof. Background technique [0002] Sunlight is mainly composed of infrared rays, visible light and ultraviolet rays. In the contained energy, infrared rays accounted for roughly 45% of the total, visible light accounted for 45%, and ultraviolet rays accounted for 5%. Visible light itself has less heat, and the heat that people feel mainly comes from the accompanying infrared radiation. [0003] Therefore, if there is a material that can reflect infrared and visible light in the sun in a targeted and selective manner, it can reduce the indoor temperature in summer, thereby significantly saving many countries and regions from using air conditioners to cool down in summer. huge energy consumption. Another "beneficial to the city as a whole" effect is to reduce the "heat island effect" of ...

Claims

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Application Information

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IPC IPC(8): C04B28/14
Inventor 孟繁茂
Owner 苏州负碳谷材料科技有限公司
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