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Composite aerated brick material and brick production process thereof

A technology of composite materials and aerated bricks, which is applied in the field of building bricks, can solve the problems of uneven pore distribution and size of aerated bricks, and easy cracking of aerated bricks, so as to save material costs and labor costs, easy demoulding, The effect of enhancing adsorption

Inactive Publication Date: 2017-10-20
MAANSHAN ZHICHENG SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the problems in the prior art that the aerated bricks are prone to cracking when the local force is uneven, and the distribution and size of the pores inside the aerated bricks are uneven, the present invention provides an aerated brick composite material and its brick-making process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0078] The aerated brick composite material of this embodiment includes fly ash, lime powder and cement, and also includes foamed modified powder, and the distribution ratio of each component is: fly ash: lime powder: cement: foamed modified powder=70 : 20: 5: 1; the modified foaming powder includes cement, starch and aluminum powder, and the weight ratio is 7: 4: 1.

[0079] The brick making process of the aerated brick composite material of the present embodiment, the steps are:

[0080] Step 1, the making of fly ash slurry:

[0081] A. Feeding: Weigh 700kg of fly ash and lift the fly ash to the wet grinding port through the feeding mechanism;

[0082] B. Ball milling: the fly ash enters the wet mill barrel for wet ball milling after passing through the wet mill inlet. After ball milling, it is discharged to the wet mill outlet under the guidance of the guide plate in the wet mill barrel;

[0083] C. Filtration: After ball milling, the fly ash is discharged through the wet...

Embodiment 2

[0105] For the aerated brick composite material of this embodiment, the distribution ratio of each component is: fly ash: lime powder: cement: foamed modified powder = 75: 25: 8: 2; the foamed modified powder includes cement, starch And aluminum powder, the weight ratio is 7:6:1.

[0106] The brick-making process of the aerated brick composite material of the present embodiment, other steps are the same as embodiment 1, the differences and improvements are:

[0107] Step 2 The production steps of foaming modified powder are:

[0108] A. Ingredients: take 70kg cement, 60kg starch and 10kg aluminum powder;

[0109] B. Mixing: After mixing the prepared powder in step A evenly, add 70kg of water and stir evenly to form an initial coagulation body;

[0110] C. Mold entry: spread the initial solidification body into the mold;

[0111] D. Drying: transfer to a dryer to obtain blocky materials; the drying temperature is 50-55°C to avoid excessive gelatinization of starch; drying to a...

Embodiment 3

[0118] For the aerated brick composite material of this embodiment, the distribution ratio of each component is: fly ash: lime powder: cement: foamed modified powder = 75: 20: 8: 2; the foamed modified powder includes cement, starch And aluminum powder, the weight ratio is 7:5:1.

[0119] The brick-making process of the aerated brick composite material of the present embodiment, other steps are the same as embodiment 2, the differences and improvements are:

[0120] Step 2 The production steps of foaming modified powder are:

[0121] A. Ingredients: take 70kg cement, 50kg starch and 10kg aluminum powder;

[0122] B. Mixing: After mixing the prepared powder in step A evenly, add 71.5kg of water and stir evenly to form an initial solid;

[0123] C. Mold entry: spread the initial solidification body into the mold; the thickness of the paving plate is 3cm; the weight of the paving plate is 15kg;

[0124] D. Quick-freezing: Transfer to the quick-freezing store for quick freezing...

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Abstract

The invention discloses a composite aerated brick material and a brick production process thereof, which belong to the technical field of building bricks. The composite aerated brick material disclosed by the invention comprises fly ash, lime powder, and cement, and further comprises modified foaming powder, and the proportion of all the components is: fly ash : lime powder : cement : modified foaming powder equal to (70 to 75):(20 to 25):(5 to 8):(1 to 2); and the modified foaming powder consists of cement, starch, and aluminium powder, the weight ratio of which is (7 to 9):(4 to 6):(1 to 2). After the cement, the starch and the aluminium powder are mixed, the starch can adsorptively position the aluminium powder, the density of the starch and the aluminium powder is then neutralized by the cement, the layering of the thee is delayed in the subsequent stirring and pouring, the three cannot be layered as well in the process of quiescence for pre-curing, consequently, the objective of stable aeration position and uniform produced hole size is achieved, moreover, the unexpected technical effect of easy demoulding is also achieved, and the problem that the brushing of coating is affected by the demoulding agent of the surface of aerated bricks is also prevented.

Description

technical field [0001] The invention relates to the technical field of building bricks, in particular to an aerated brick composite material and a brick-making process thereof. Background technique [0002] Aerated bricks are also called aerated concrete blocks, which are widely used. They are mainly used in mechanical workshops and civil buildings for wall materials, filling walls, floor and roof panels and other load-bearing wall materials, as well as non-load-bearing materials and surrounding filling walls. . At present, aerated bricks have become the leading product in the building materials industry. The country has gradually banned the use of clay solid bricks, and gradually replaced them with aerated concrete blocks and autoclaved bricks. [0003] Aerated bricks have the characteristics of light weight, good thermal insulation performance, strong earthquake resistance, good processing performance, certain high temperature resistance, good sound insulation performance...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/10C04B38/02C04B24/38C04B103/42
CPCC04B28/10C04B40/0042C04B40/0046C04B2103/42C04B18/08C04B7/00C04B38/02C04B40/024C04B22/04C04B24/38C04B22/00
Inventor 汪淳
Owner MAANSHAN ZHICHENG SCI & TECH
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