CN104355664A - Light foam brick and preparation method thereof - Google Patents

Abstract

The invention discloses a light foam brick which is characterized by being prepared from the following raw materials in parts by weight: 30-40 parts of waste glass, 10-15 parts of pumice powder, 5-10 parts of vermiculite powder, 5-10 parts of pottery sand, 4-6 parts of sepiolite powder, 5-10 parts of calcium hydroxide, 1-2 parts of calcium metasilicate, 0.5-1 part of oxalic acid, 2-4 parts of polyethylene glycol, 1-2 parts of water-soluble lanolin, 1-2 parts of water glass, 1-2 parts of barium petroleum sulfonate, 2-3 parts of sodium laureth sulfate, 1-2 parts of hydroxyethyl cellulose, 5-10 parts of composite fillers and 40-60 parts of water. The foam brick has the characteristics of being light in weight, high in strength, good in thermal insulation and sound insulation effects, good in durability and high in practicality and is not easy to deform.

Description

A kind of lightweight foam brick and preparation method thereof

Technical field

The present invention relates to building material field, be specifically related to a kind of lightweight foam brick and preparation method thereof.

Background technology

Foamed brick belongs to the one of air-entrained concrete building block, by adopting whipping agent by after foaming machine physics system bubble, then is added in slip by bubble and mixes, cast, the finally obtained foamed brick with internal porosity.Foamed brick is mainly used in non-load bearing wall, has the features such as cost is low, lightweight, good effect of heat insulation, and being widely used in industry with covil construction, is a kind of materials for wall with superperformance.

Glass material is that people's daily life is required, indispensable material.A large amount of uses of glass also cause inevitably producing a large amount of cullet rubbish in daily productive life.The stable chemical nature of cullet, brought inconvenience both to the production of people and life, create pollution again, and the arrangement of cullet had occupied a large amount of land resources to environment.Therefore, recycle cullet, make cullet resource utilization become an important topic of environmental protection and energy saving.Utilizing cullet to produce foamed brick is a kind of approach of Appropriate application cullet.

Summary of the invention

The object of this invention is to provide a kind of lightweight foam brick.

The present invention is achieved by the following technical solutions:

A kind of lightweight foam brick, it is characterized in that, it is obtained by the raw material of following weight parts:

Cullet 30-40, pumice sand 10-15, vermiculite power 5-10, pottery sand 5-10, sepiolite powder 4-6, calcium hydroxide 5-10, Calucium Silicate powder 1-2, oxalic acid 0.5-1, polyoxyethylene glycol 2-4, water-soluble lanolin 1-2, water glass 1-2, barium mahogany sulfonate 1-2, laureth sodium sulfovinate 2-4, Natvosol 1-2, compounded mix 5-10, water 40-60;

Described compounded mix is made up of the raw material of following weight part:

Medical stone powder 10-15, kaolin 10-15, sticky rice flour 5-10, bamboo charcoal powder 5-10, Magnesium L-Asacorbic Acid 2-O-Phosphate 1-2, sodium salicylate 1-2, hydroxypropyl Staragel 90V 0.5-1, Seignette salt 2-4, sodium polyacrylate 0.5-1, maltose alcohol 1-2;

The preparation method of described compounded mix is:

By grinding after the mixing of medical stone powder, kaolin, Seignette salt and maltose alcohol evenly, 200-300 DEG C of process 1-2h, 0.5-1h is stirred with adding sticky rice flour, bamboo charcoal powder and suitable quantity of water 60-80 DEG C after water repetitive scrubbing, be cooled to normal temperature, add all the other raw materials to continue to stir 10-15min, after dry, grinding evenly, crosses 400-600 mesh sieve, to obtain final product.

The preparation method of described lightweight foam brick, is characterized in that, comprises the following steps:

(1) by 300-400 DEG C of process 2-4h after the mixing of cullet, pumice sand, vermiculite power, pottery sand, sepiolite powder, calcium hydroxide and Calucium Silicate powder, add oxalic acid, water glass and compounded mix to mix, 100-150 mesh sieve is crossed after grinding, add the water of 1/3-1/2 amount again, 200-400r/min stirs 0.5-1h, obtains component A;

(2) water-soluble lanolin, Natvosol and polyoxyethylene glycol are added in the water of surplus, 600-800r/min stirs 5-10min, add high speed whisking machine after adding laureth sodium sulfovinate and barium mahogany sulfonate stirring 5-10min again and obtain foam, obtain B component;

(3) stir after component A being mixed with B component, it is shaping to add mold cured, dries 1-2h for first 100-150 DEG C, then in retort furnace 600-800 DEG C of sintering 2-4h, after cooling and get final product.

Advantage of the present invention is:

1. by the improvement of recipe optimization, the features such as foamed brick is had, and quality is light, intensity is high, and heat insulation, soundproof effect is good, excellent durability, not easily deforms simultaneously, practical;

2. by adding compounded mix, improving the mechanical property of foamed brick, and making foamed brick have certain adsorptivity, to harmful microorganism and organic substance, there is certain detergent power, play the effect of purification living environment.

Embodiment

Non-limiting examples of the present invention is as follows:

A kind of lightweight foam brick, is prepared from by the component raw material of following weight (kg):

Cullet 35, pumice sand 12, vermiculite power 8, pottery sand 8, sepiolite powder 5, calcium hydroxide 8, Calucium Silicate powder 1.5, oxalic acid 0.8, polyoxyethylene glycol 3, water-soluble lanolin 1.5, water glass 1.5, barium mahogany sulfonate 1.5, laureth sodium sulfovinate 3, Natvosol 1.5, compounded mix 8, water 50;

Wherein, compounded mix is made up of the raw material of following weight (kg):

Medical stone powder 12, kaolin 12, sticky rice flour 8, bamboo charcoal powder 8, Magnesium L-Asacorbic Acid 2-O-Phosphate 1.5, sodium salicylate 1.5, hydroxypropyl Staragel 90V 0.8, Seignette salt 3, sodium polyacrylate 0.8, maltose alcohol 1.5;

The preparation method of compounded mix:

By grinding after the mixing of medical stone powder, kaolin, Seignette salt and maltose alcohol evenly, 200 DEG C of process 1h, 0.5h is stirred with adding sticky rice flour, bamboo charcoal powder and suitable quantity of water 80 DEG C after water repetitive scrubbing, be cooled to normal temperature, add all the other raw materials to continue to stir 15min, after dry, grinding evenly, crosses 400 mesh sieves, to obtain final product.

The preparation method of lightweight foam brick comprises the following steps:

(1) by rear for the mixing of cullet, pumice sand, vermiculite power, pottery sand, sepiolite powder, calcium hydroxide and Calucium Silicate powder 300 DEG C of process 4h, add oxalic acid, water glass and compounded mix to mix, cross 150 mesh sieves after grinding, then add the water of 1/2 amount, 400r/min stirs 0.5h, obtains component A;

(2) add in the water of surplus by water-soluble lanolin, Natvosol and polyoxyethylene glycol, 800r/min stirs 5min, then adds and add high speed whisking machine after laureth sodium sulfovinate and barium mahogany sulfonate stir 5min and obtain foam, obtains B component;

(3) stir after component A being mixed with B component, it is shaping to add mold cured, first dries 1h for 150 DEG C, then in retort furnace 800 DEG C of sintering 2h, after cooling and get final product.

Through inspection, the foamed brick thermal conductivity of the present embodiment: 0.045W/(mK), ultimate compression strength: 6.5Mpa.

Claims (2)

1. a lightweight foam brick, is characterized in that, it is obtained by the raw material of following weight parts:

Cullet 30-40, pumice sand 10-15, vermiculite power 5-10, pottery sand 5-10, sepiolite powder 4-6, calcium hydroxide 5-10, Calucium Silicate powder 1-2, oxalic acid 0.5-1, polyoxyethylene glycol 2-4, water-soluble lanolin 1-2, water glass 1-2, barium mahogany sulfonate 1-2, laureth sodium sulfovinate 2-4, Natvosol 1-2, compounded mix 5-10, water 40-60;

Described compounded mix is made up of the raw material of following weight part:

Medical stone powder 10-15, kaolin 10-15, sticky rice flour 5-10, bamboo charcoal powder 5-10, Magnesium L-Asacorbic Acid 2-O-Phosphate 1-2, sodium salicylate 1-2, hydroxypropyl Staragel 90V 0.5-1, Seignette salt 2-4, sodium polyacrylate 0.5-1, maltose alcohol 1-2;

The preparation method of described compounded mix is:

By grinding after the mixing of medical stone powder, kaolin, Seignette salt and maltose alcohol evenly, 200-300 DEG C of process 1-2h, 0.5-1h is stirred with adding sticky rice flour, bamboo charcoal powder and suitable quantity of water 60-80 DEG C after water repetitive scrubbing, be cooled to normal temperature, add all the other raw materials to continue to stir 10-15min, after dry, grinding evenly, crosses 400-600 mesh sieve, to obtain final product.

2. the preparation method of a kind of lightweight foam brick according to claim 1, is characterized in that, comprise the following steps:

(1) by 300-400 DEG C of process 2-4h after the mixing of cullet, pumice sand, vermiculite power, pottery sand, sepiolite powder, calcium hydroxide and Calucium Silicate powder, add oxalic acid, water glass and compounded mix to mix, 100-150 mesh sieve is crossed after grinding, add the water of 1/3-1/2 amount again, 200-400r/min stirs 0.5-1h, obtains component A;

(2) water-soluble lanolin, Natvosol and polyoxyethylene glycol are added in the water of surplus, 600-800r/min stirs 5-10min, add high speed whisking machine after adding laureth sodium sulfovinate and barium mahogany sulfonate stirring 5-10min again and obtain foam, obtain B component;

(3) stir after component A being mixed with B component, it is shaping to add mold cured, dries 1-2h for first 100-150 DEG C, then in retort furnace 600-800 DEG C of sintering 2-4h, after cooling and get final product.