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Steaming-free aerated brick prepared by utilizing construction waste and preparation method thereof

A construction waste and aerated brick technology, applied in the field of building materials, can solve the problems of insignificant production energy consumption, incomplete improvement, reduced equipment investment, etc. Effect

Inactive Publication Date: 2016-12-07
绍兴职业技术学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is because the process has not yet gotten rid of the shackles of the traditional steam curing process, the improvement is not thorough, and it is not significant in reducing equipment investment and production energy consumption.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A non-steaming aerated brick prepared from construction waste, comprising the following components in parts by weight:

[0038] 20 parts of construction waste, 30 parts of fly ash,

[0039] 30 parts of cement, 5 parts of desulfurized dihydrate gypsum,

[0040] 3 parts of quicklime, 0.5 part of aluminum powder paste,

[0041] 4 parts of ultra-light ceramsite, 1 part of silicon airgel,

[0042] 1 part of naphthalenesulfonate formaldehyde condensate,

[0043] 2 parts of retarder, 30 parts of water;

[0044] The ultra-light ceramsite is made of fly ash as the main raw material, calcium lignosulfonate, sawdust, and charcoal are added, mixed, pelletized, and roasted at high temperature, wherein the fly ash, The mass ratio of calcium lignosulfonate, sawdust and charcoal powder is 6:0.5:1:1.

[0045] Its preparation method comprises the following steps:

[0046] (1) Mix water, fly ash, and desulfurized dihydrate gypsum evenly, add them to a three-roller grinder, grind for...

Embodiment 2

[0049] A non-steaming aerated brick prepared from construction waste, comprising the following components in parts by weight:

[0050] 30 parts of construction waste, 60 parts of fly ash,

[0051] 50 parts of cement, 10 parts of desulfurized dihydrate gypsum,

[0052] 8 parts of quicklime, 1 part of aluminum powder paste,

[0053] 6 parts of ultra-light ceramsite, 5 parts of silicon airgel,

[0054] Naphthalenesulfonate formaldehyde condensate 2 parts,

[0055] 5 parts of retarder, 50 parts of water;

[0056] The ultra-light ceramsite is made of fly ash as the main raw material, calcium lignosulfonate, sawdust, and charcoal are added, mixed, pelletized, and roasted at high temperature, wherein the fly ash, The mass ratio of calcium lignosulfonate, sawdust and charcoal powder is 6:1:2:2.

[0057] Its preparation method comprises the following steps:

[0058] (1) Mix water, fly ash, and desulfurized dihydrate gypsum evenly, add them to a three-roller grinder, grind for 3 h...

Embodiment 3

[0061] A non-steaming aerated brick prepared from construction waste, comprising the following components in parts by weight:

[0062] 30 parts of construction waste, 50 parts of fly ash,

[0063] 45 parts of cement, 7 parts of desulfurized dihydrate gypsum,

[0064] 6.5 parts of quicklime, 1 part of aluminum powder paste,

[0065] 5 parts of ultra-light ceramsite, 3 parts of silicon airgel,

[0066] 1 part of naphthalenesulfonate formaldehyde condensate,

[0067] 4 parts of retarder, 30 parts of water;

[0068] The ultra-light ceramsite is made of fly ash as the main raw material, calcium lignosulfonate, sawdust, and charcoal are added, mixed, pelletized, and roasted at high temperature, wherein the fly ash, The mass ratio of calcium lignosulfonate, sawdust and charcoal powder is 6:0.6:1:1.

[0069] Its preparation method comprises the following steps:

[0070] (1) Mix water, fly ash, and desulfurized dihydrate gypsum evenly, add them to a three-roller grinder, grind for ...

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Abstract

The invention discloses a steaming-free aerated brick prepared by utilizing construction waste. The steaming-free aerated brick is prepared from the following components in parts by weight: 20 to 30 parts of the construction waste, 30 to 60 parts of pulverized fuel ash, 30 to 50 parts of cement, 5 to 10 parts of desulfurized dihydrate gypsum, 3 to 8 parts of quicklime, 0.5 to 1 part of aluminum powder paste, 4 to 6 parts of ultra-light ceramic particle, 1 to 5 parts of silica aerogel, 1 to 2 parts of naphthyl sulfonate formaldehyde condensate, 2 to 5 parts of retarding agent and 30 to 50 parts of water. The invention also discloses a preparation method of the steaming-free aerated brick. The steaming-free aerated brick made by using the method is light in weight, good in heat preservation performance and heat insulation performance, high in shock resistance ability and excellent in compression resistance performance, and has certain high temperature resistance performance, good sound insulation performance and high adaptability; further, the preparation method is simple; the production cost is low.

Description

Technical field: [0001] The invention relates to the field of building materials, in particular to a non-steaming aerated brick prepared from construction waste. Background technique: [0002] Construction waste is produced in the process of building construction, maintenance or demolition, mostly solid waste. The comprehensive utilization of construction waste is of great significance for saving resources, improving the environment, improving economic and social benefits, and realizing optimal allocation of resources and sustainable development. The traditional treatment of construction waste is mainly as backfill material and reinforcement of soft soil foundation, etc., but its utilization rate is still very low compared with its output and stock, and new ways of utilization should be explored. As a traditional wall material, the use of fired clay bricks has been prohibited due to the waste of land and energy and environmental pollution in the process of production and us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/02C04B28/00C04B22/14C04B22/06C04B18/08C04B14/06C04B111/28C04B111/52
CPCC04B14/064C04B18/08C04B22/064C04B22/145C04B28/00C04B38/02C04B2111/28C04B2111/52C04B2201/20C04B2201/32C04B2201/50C04B18/16C04B22/04C04B18/025C04B24/226C04B2103/22C04B22/002Y02W30/91
Inventor 汤薇沈龙蒋晓燕孙秋砚陈丽
Owner 绍兴职业技术学院
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