CN104446532A - Light refractory foam brick and preparation method thereof - Google Patents

Abstract

The invention discloses a light refractory foam brick which is characterized by being prepared from the following raw materials in parts by weight: 50-60 parts of waste glass, 10-15 parts of bauxite, 10-15 parts of expanded perlite, 3-5 parts of bamboo charcoal powder, 3-5 parts of aluminum phosphate, 1-2 parts of ammonium polyphosphate, 0.3-0.5 part of sodium caseinate, 0.2-0.4 part of pentaerythritol stearate, 6-8 parts of castor oil, 0.5-1 part of sodium lauryl sulfate, 0.5-1 part of hydroxypropyl starch, 0.2-0.4 part of sodium dodecyl benzene sulfonate, 2-4 parts of organic silicon quaternary ammonium salt and 50-60 parts of water. The foam brick disclosed by the invention has the characteristics of being light in weight and high in hardness, antibacterial and mildew-proof, good in high-temperature resistance and excellent in flame-retardant and fire-resistance properties, and the foam brick is strong in practicability.

Description

A kind of light-weight refractory foamed brick and preparation method thereof

Technical field

The present invention relates to building material field, be specifically related to a kind of light-weight refractory foamed 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 light-weight refractory foamed brick.

The present invention is achieved by the following technical solutions:

A kind of light-weight refractory foamed brick, it is characterized in that, it is obtained by the raw material of following weight parts:

Cullet 50-60, bauxitic clay 10-15, pearlstone 10-15, bamboo charcoal powder 3-5, aluminum phosphate 3-5, ammonium polyphosphate 1-2, Sodium Caseinate 0.3-0.5, pentaerythritol stearate 0.2-0.4, Viscotrol C 6-8, sodium lauryl sulphate 0.5-1, hydroxypropylated starch 0.5-1, Sodium dodecylbenzene sulfonate 0.2-0.4, organosilicon quaternary ammonium salt 2-4, water 50-60;

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

Wilkinite 10-20, pumice sand 3-5, Trisodium Citrate 0.5-1, sucrose 0.5-1, trehalose 0.2-0.4, N.F,USP MANNITOL 3-5, benzene emulsion 1-2, polyvinyl alcohol 1-2, Dodecyl Polyglucosides 0.1-0.2;

The preparation method of compounded mix is:

By 200-300 DEG C of process 1-2h after wilkinite and pumice sand mixing, add Trisodium Citrate, sucrose, trehalose, N.F,USP MANNITOL, Dodecyl Polyglucosides and suitable quantity of water and stir 10-20min post-heating to 90-95 DEG C, add polyvinyl alcohol and benzene emulsion continuation stirring 10-20min, filter and drying, be ground to 200-300 order, obtain final product.

A preparation method for light-weight refractory foamed brick, is characterized in that, comprises the following steps:

(1) by 300-400 DEG C of process 1-2h after the mixing of cullet, pearlstone and aluminum phosphate, add bamboo charcoal powder, ammonium polyphosphate and compounded mix to mix, after grinding, cross 100-150 mesh sieve, then add the water of 1/3-1/2 amount, 200-400r/min stirs 0.5-1h, obtains component A;

(2) add in the water of surplus by Sodium Caseinate and hydroxypropylated starch, 60-80 DEG C is stirred 10-20min, adds high speed whisking machine and obtains foam, obtain B component after cooling after adding sodium lauryl sulphate and Sodium dodecylbenzene sulfonate stirring 5-10min;

(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, cooling;

(4) after organosilicon quaternary ammonium salt being mixed with pentaerythritol stearate, Viscotrol C 80-90 DEG C, 800-1000r/min stirs 5-10min, then the fragment of brick surface that even application is obtained in (3), 100-120 DEG C of insulation 2-4h, get product after cooling foamed brick.

Wherein organosilicon quaternary ammonium salt is polysiloxane quaternary ammonium.

Advantage of the present invention is:

1., by the improvement to composition and engineering, make foamed brick have lightweight high rigidity, resistance to elevated temperatures is good, the feature of fire resistant flame retardant excellent property, practical;

2. by carrying out surface treatment to fragment of brick, make foamed brick have excellent antibacterial and mouldproof characteristic and safe and harmless, there is good static electricity resistance, erosion resistance simultaneously, bacterium, the growing of mould can be prevented, decontamination chamber's environment, turn improves durability degree and the stability of product.

Embodiment

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

A kind of light-weight refractory foamed brick, is prepared from by the component raw material of following weight (kg):

Cullet 55, bauxitic clay 12, pearlstone 12, bamboo charcoal powder 4, aluminum phosphate 4, ammonium polyphosphate 1.5, Sodium Caseinate 0.4, pentaerythritol stearate 0.3, Viscotrol C 7, sodium lauryl sulphate 0.8, hydroxypropylated starch 0.8, Sodium dodecylbenzene sulfonate 0.3, organosilicon quaternary ammonium salt 3, water 55;

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

Wilkinite 15, pumice sand 4, Trisodium Citrate 0.8, sucrose 0.8, trehalose 0.3, N.F,USP MANNITOL 4, benzene emulsion 1.5, polyvinyl alcohol 1.5, Dodecyl Polyglucosides 0.15;

The preparation method of compounded mix:

By wilkinite and the rear 300 DEG C of process 1h of pumice sand mixing, add Trisodium Citrate, sucrose, trehalose, N.F,USP MANNITOL, Dodecyl Polyglucosides and suitable quantity of water and stir 15min post-heating to 95 DEG C, add polyvinyl alcohol and benzene emulsion continuation stirring 15min, filter also dry, be ground to 300 orders, obtain final product.

The preparation method of light-weight refractory foamed brick comprises the following steps:

(1) by rear for the mixing of cullet, pearlstone and aluminum phosphate 400 DEG C of process 1h, add bamboo charcoal powder, ammonium polyphosphate and compounded mix and 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 Sodium Caseinate and hydroxypropylated starch, 80 DEG C are stirred 20min, add high speed whisking machine and obtain foam, obtain B component after cooling after adding sodium lauryl sulphate and Sodium dodecylbenzene sulfonate stirring 5min;

(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 3h, cooling;

(4) organosilicon quaternary ammonium salt is mixed latter 90 DEG C with pentaerythritol stearate, Viscotrol C, 1000r/min stirs 10min, the fragment of brick surface that then even application is obtained in (3), 120 DEG C of insulation 3h, get product after cooling foamed brick.

Through inspection, the foamed brick thermal conductivity of the present embodiment: 0.063W/(mK), ultimate compression strength: 9.5Mpa.

Claims (2)

1. a light-weight refractory foamed brick, is characterized in that, it is obtained by the raw material of following weight parts:

Cullet 50-60, bauxitic clay 10-15, pearlstone 10-15, bamboo charcoal powder 3-5, aluminum phosphate 3-5, ammonium polyphosphate 1-2, Sodium Caseinate 0.3-0.5, pentaerythritol stearate 0.2-0.4, Viscotrol C 6-8, sodium lauryl sulphate 0.5-1, hydroxypropylated starch 0.5-1, Sodium dodecylbenzene sulfonate 0.2-0.4, organosilicon quaternary ammonium salt 2-4, water 50-60;

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

Wilkinite 10-20, pumice sand 3-5, Trisodium Citrate 0.5-1, sucrose 0.5-1, trehalose 0.2-0.4, N.F,USP MANNITOL 3-5, benzene emulsion 1-2, polyvinyl alcohol 1-2, Dodecyl Polyglucosides 0.1-0.2;

The preparation method of described compounded mix is:

By 200-300 DEG C of process 1-2h after wilkinite and pumice sand mixing, add Trisodium Citrate, sucrose, trehalose, N.F,USP MANNITOL, Dodecyl Polyglucosides and suitable quantity of water and stir 10-20min post-heating to 90-95 DEG C, add polyvinyl alcohol and benzene emulsion continuation stirring 10-20min, filter and drying, be ground to 200-300 order, obtain final product.

2. the preparation method of a kind of light-weight refractory foamed brick according to claim 1, is characterized in that, comprise the following steps:

(1) by 300-400 DEG C of process 1-2h after the mixing of cullet, pearlstone and aluminum phosphate, add bamboo charcoal powder, ammonium polyphosphate and compounded mix to mix, after grinding, cross 100-150 mesh sieve, then add the water of 1/3-1/2 amount, 200-400r/min stirs 0.5-1h, obtains component A;

(2) add in the water of surplus by Sodium Caseinate and hydroxypropylated starch, 60-80 DEG C is stirred 10-20min, adds high speed whisking machine and obtains foam, obtain B component after cooling after adding sodium lauryl sulphate and Sodium dodecylbenzene sulfonate stirring 5-10min;

(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, cooling;

(4) after organosilicon quaternary ammonium salt being mixed with pentaerythritol stearate, Viscotrol C 80-90 DEG C, 800-1000r/min stirs 5-10min, then the fragment of brick surface that even application is obtained in (3), 100-120 DEG C of insulation 2-4h, get product after cooling foamed brick.