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Method for preparing high-performance autoclaved aerated concrete blocks through graphite tailings

A technology for concrete blocks and graphite tailings, which is applied in the field of building materials to achieve the effects of reducing energy consumption of ball milling, accurate size and shortening of ball milling time.

Inactive Publication Date: 2017-02-01
湖北远固新型建材科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method for preparing high-performance autoclaved aerated concrete blocks using graphite tailings, and to prepare new energy-saving wall materials by using graphite tailings, which can not only solve the problem of graphite tailings being piled up as solid waste problems, and the successfully prepared high-performance autoclaved aerated concrete blocks can be used in the wall self-insulation system to improve the thermal insulation performance of the building envelope, thereby reducing building energy consumption

Method used

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  • Method for preparing high-performance autoclaved aerated concrete blocks through graphite tailings
  • Method for preparing high-performance autoclaved aerated concrete blocks through graphite tailings
  • Method for preparing high-performance autoclaved aerated concrete blocks through graphite tailings

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Embodiment 1

[0028] A method for preparing a high-performance autoclaved aerated concrete block by using graphite tailings, the method comprises the following steps:

[0029] Step 1: Pretreatment of graphite tailings: after adding waste silicate glass with a mass percentage of 5% to the graphite tailings, ball mill for 5 minutes;

[0030] The fineness after ball milling of waste silicate glass is controlled at 0.08mm, and the sieve residue is 10-15%;

[0031] Step 2: Mixing and stirring: Mix the graphite tailings pretreated in step 1 with quicklime, cement, gypsum, aluminum powder, admixture and water in a certain proportion for 100 seconds until evenly stirred to make a uniformly stirred slurry;

[0032] The proportioning ratio of each component that makes every cubic meter of autoclaved aerated concrete block is:

[0033]

[0034] Step 3: pouring, gas generation, static stop: pour the uniformly stirred slurry prepared in step 2 into the mold, vibrate for 8 seconds, enter the pre-curi...

Embodiment 2

[0050] A method for preparing a high-performance autoclaved aerated concrete block by using graphite tailings, the method comprises the following steps:

[0051] Step 1: Pretreatment of graphite tailings: ball mill graphite tailings for 3 minutes;

[0052] After ball milling, the fineness is controlled at 0.08mm, and the sieve residue is 10-15%;

[0053] Step 2: Mixing and stirring: mix the graphite tailings pretreated in step 1 with quicklime, cement, gypsum, aluminum powder, admixture and water in a certain proportion for 80 seconds until evenly stirred to make a uniformly stirred slurry;

[0054] The proportioning ratio of each component that makes every cubic meter of autoclaved aerated concrete block is:

[0055]

[0056] Step 3: pouring, gas generation, static stop: pour the evenly stirred slurry prepared in step 2 into the mold, vibrate for 10s, enter the pre-curing room, maintain at a temperature of 50°C, generate gas, stop for 2.5 hours, and make Obtain pre-cured b...

Embodiment 3

[0072] A method for preparing a high-performance autoclaved aerated concrete block by using graphite tailings, the method comprises the following steps:

[0073] Step 1: Pretreatment of graphite tailings: after mixing waste silicate glass with a mass percentage of 3% into the graphite tailings, ball mill for 4 minutes;

[0074] The fineness after ball milling of waste silicate glass is controlled at 0.08mm, and the sieve residue is 10-15%;

[0075] Step 2: Mixing and stirring: mix the graphite tailings pretreated in step 1 with quicklime, cement, gypsum, aluminum powder, admixture and water in a certain proportion for 90 seconds until evenly stirred to make a uniformly stirred slurry;

[0076] The proportioning ratio of each component that makes every cubic meter of autoclaved aerated concrete block is:

[0077]

[0078] Step 3: pouring, gas generation, static stop: pour the uniformly stirred slurry prepared in step 2 into the mold, vibrate for 9s, enter the pre-curing roo...

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Abstract

The invention discloses a method for preparing high-performance autoclaved aerated concrete blocks through graphite tailings. The method includes the following steps of 1, graphite tailing pretreating; 2, mixing and stirring; 3, pouring, aerating, delaying curing and procuring blank preparing; 4, cutting, wherein procuring blanks prepared in the step 3 are cut and subjected to form removing; 5, autoclaved curing, wherein the cut blanks are subjected to autoclaved curing, and then the high-performance autoclaved aerated concrete blocks are obtained. According to the method for preparing the high-performance autoclaved aerated concrete blocks through the graphite tailings, a novel energy-saving wall material is prepared from the graphite tailings, the problem that the graphite tailings serve as solid waste and are stacked can be solved, the successfully-prepared high-performance autoclaved aerated concrete blocks can be used for a wall self-insulation system, the heat preservation and insulation performance of a building envelope structure is improved, and therefore building energy consumption is reduced.

Description

technical field [0001] The invention belongs to the field of building materials, in particular to a method for preparing high-performance autoclaved aerated concrete blocks by using graphite tailings. Background technique [0002] With the in-depth advancement of the national green building development, the role of building energy conservation in improving building quality, improving the living environment, and realizing green development has become more prominent, and it has received more and more attention from people. Improving the thermal insulation performance of building envelope is an important technical approach to realize building energy saving. The exterior wall is the main component of the enclosure structure and an important place for building heat exchange. The use of thermal insulation exterior walls can effectively reduce the energy consumption of buildings. The forms of external wall insulation mainly include external wall insulation, external wall internal ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/02C04B28/04C04B18/12
CPCC04B18/12C04B28/04C04B38/02C04B2201/20C04B2201/32C04B2201/50C04B22/064C04B22/143C04B22/04C04B24/085C04B24/122Y02W30/91
Inventor 李国刚刘滔谢道旺程加银李从容杨玖林
Owner 湖北远固新型建材科技股份有限公司
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