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Aerated brick preparation method

A technology of aerated bricks and raw materials, which is applied in the field of building materials and can solve the problems of easy mold of aerated bricks

Inactive Publication Date: 2020-01-14
凤冈县恒兴新型建材有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention intends to provide a method for preparing aerated bricks to solve the problem that aerated bricks are prone to mildew in the prior art

Method used

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  • Aerated brick preparation method

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Embodiment 1

[0018] A preparation method of firewood aerated brick, comprising the following steps:

[0019] Step 1. Grinding: The raw materials include the following components in parts by weight: 35 parts of fly ash, 10 parts of quicklime, 10 parts of diatomaceous earth, 5 parts of cement, 0.05 parts of aluminum powder, and 3 parts of gypsum. Put the above raw materials into the grinding Grinding in the machine, adding to the mixer after grinding, then adding water to the mixer and fully stirring to obtain the mixture;

[0020] Step 2, adding additives: Add 1 part of dry ice particles, 0.3 parts of sodium chloride and 0.5 parts of fluorosurfactant into the mixer and stir, the diameter of the dry ice particles is 1 cm;

[0021] Step 3. Heating: Pour the mixture into the mold for extrusion molding, and then move it into the drying room for drying. The temperature of the drying room is kept at 42°C, and the drying time is 1 hour to obtain rough bricks;

[0022] Step 4, steam curing: Put th...

Embodiment 2

[0024] A preparation method of firewood aerated brick, comprising the following steps:

[0025] Step 1. Grinding: The raw materials include the following components in parts by weight: 37 parts of fly ash, 13 parts of quicklime, 13 parts of diatomaceous earth, 7 parts of cement, 0.055 parts of aluminum powder, and 6 parts of gypsum. Put the above raw materials into the grinding Grinding in the machine, adding to the mixer after grinding, then adding water to the mixer and fully stirring to obtain the mixture;

[0026] Step 2, adding additives: add 1.5 parts of dry ice particles, 0.35 parts of sodium chloride and 0.6 parts of fluorosurfactant into the mixer and stir, the diameter of the dry ice particles is 1.2 cm;

[0027] Step 3. Heating: Pour the mixture into the mold for extrusion molding, then move it into the drying room for drying. The temperature of the drying room is kept at 42 ° C, and the drying time is 2 hours to obtain rough bricks;

[0028] Step 4, steam curing: ...

Embodiment 3

[0030] A preparation method of firewood aerated brick, comprising the following steps:

[0031] Step 1. Grinding: The raw materials include the following components in parts by weight: 40 parts of fly ash, 15 parts of quicklime, 15 parts of diatomaceous earth, 8 parts of cement, 0.06 parts of aluminum powder, and 8 parts of gypsum. Put the above raw materials into the grinding Grinding in the machine, adding to the mixer after grinding, then adding water to the mixer and fully stirring to obtain the mixture;

[0032] Step 2, adding additives: add 2 parts of dry ice particles, 0.4 parts of sodium chloride and 0.7 parts of fluorosurfactant into the mixer and stir, the diameter of the dry ice particles is 1.5cm;

[0033] Step 3. Heating: the mixture is poured into the mold for extrusion molding, and then moved into the drying room for drying. The temperature of the drying room is kept at 42°C, and the drying time is 3 hours to obtain rough bricks;

[0034] Step 4, steam curing: ...

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Abstract

The invention belongs to the technical field of building materials, and discloses an aerated brick preparation method, which comprises: 1, grinding: putting raw materials of fly ash, quick lime, diatomite, cement, aluminum powder and gypsum into a grinder, grinding, adding into a stirrer, adding water, and sufficiently stirring to obtain a mixture; 2, additive adding: adding 0.3-0.4 part of sodiumchloride and 0.5-0.7 part of a fluorine surfactant into the stirrer, and fully stirring; 3, heating: pouring the mixture into a mold, carrying out extrusion molding, transferring into a drying room,and drying for 1-3 h at a temperature of 40-45 DEG C to prepare a rough brick; and 4, steam curing: putting the rough brick into an autoclave, and carrying out steam curing for 6-18 h at a temperatureof 180-250 DEG C under a pressure of 8-10 Mpa to finally obtain the aerated brick. According to the invention, through the synergistic effect of the sodium chloride and the fluorine surfactant, the purposes of sterilization and corrosion prevention of the aerated brick are achieved.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a method for preparing an aerated brick. Background technique [0002] Aerated bricks, also known as autoclaved aerated concrete blocks, are made of fly ash, lime, cement, gypsum, slag, etc. A concrete product made by processes such as static stopping, cutting and autoclaving. Aerated bricks are widely used as a light-weight thermal insulation new building wall material, mainly in mechanical workshops and civil buildings. As the country banned the production of clay solid bricks, aerated bricks have become the leading product in the building materials industry. [0003] The biggest advantage of aerated bricks is to save land resources, without wasting a lot of cultivated land, and its source of raw materials is very extensive, and the performance characteristics of aerated bricks are very superior, with good heat insulation and heat preservation capabilities, and str...

Claims

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Application Information

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IPC IPC(8): C04B28/14C04B38/02C04B40/02C04B111/20C04B111/40
CPCC04B28/14C04B2111/40C04B2111/2092C04B18/08C04B22/064C04B14/08C04B7/00C04B22/04C04B38/02C04B40/0245
Inventor 杨兴王显文
Owner 凤冈县恒兴新型建材有限责任公司
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