CN104355669A - Modified rice hull ash foam brick and preparation method thereof - Google Patents

Abstract

The invention discloses a modified rice hull ash foam brick which is characterized by being prepared from the following raw materials in parts by weight: 50-60 parts of waste glass, 20-30 parts of modified hull ash, 3-5 parts of wollastonite powder, 3-5 parts of coal ash, 0.5-1 part of lauryl sodium sulfate, 0.5-1 part of diacetyl tartaric acid ester of mono(di)glycerides, 0.5-1 part of sodium tartrate, 6-8 parts of palm oil, 1-2 parts of jojoba oil, 0.05-0.1 part of carnosic acid, 0.2-0.4 part of propylene glycol, 0.3-0.5 part of silicone acrylic emulsion, 0.2-0.4 part of sodium dodecyl benzene sulfonate, 2-4 parts of organosilicon quaternary ammonium salt and 50-60 parts of water. By taking the waste glass and the modified rice hull ash as the main raw materials, the foam brick disclosed by the invention has favorable water resistance, weather fastness, antibiosis property and mildew resistance, and is green, environment-friendly, good in product stability and strong in practicability.

Description

A kind of modification rice hull ash foamed brick and preparation method thereof

Technical field

The present invention relates to building material field, be specifically related to a kind of modification rice hull ash 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 modification rice hull ash foamed brick.

The present invention is achieved by the following technical solutions:

A kind of modification rice hull ash foamed brick, it is characterized in that, it is obtained by the raw material of following weight parts:

Cullet 50-60, modification rice hull ash 20-30, wollastonite powder 3-5, flyash 3-5, sodium lauryl sulphate 0.5-1, diacetyl tartarate list double glyceride 0.5-1, sodium tartrate 0.5-1, plam oil 6-8, Jojoba oil 1-2, Salvin 0.05-0.1, propylene glycol 0.2-0.4, organosilicon crylic acid latex 0.3-0.5, Sodium dodecylbenzene sulfonate 0.2-0.4, organosilicon quaternary ammonium salt 2-4, water 50-60;

Wherein modification rice hull ash is made up of the raw material of following weight part:

Rice hull ash 20-30, plant ash 3-5, calcium lignin sulphonate 0.3-0.5, Sodium hexametaphosphate 99 0.5-1, cm-chitosan 0.2-0.4, sodium alginate 0.5-1, silane resin acceptor kh-550 0.1-0.2, dimethyl silicone oil 0.2-0.4;

The preparation method of modification rice hull ash is:

Calcium lignin sulphonate and Sodium hexametaphosphate 99 grinding will be added evenly after rice hull ash and plant ash mixing, add cm-chitosan, sodium alginate, dimethyl silicone oil and suitable quantity of water, 60-80 DEG C is stirred 0.5-1h, dry after filtering, add silane resin acceptor kh-550 and ethanol in proper amount, ultrasonic disperse evenly stirs 20-30min afterwards, filters and vacuum-drying, be ground to 200-300 order, obtain final product.

A preparation method for modification rice hull ash foamed brick, is characterized in that, comprise the following steps:

(1) by 200-300 DEG C of process 1-2h after the mixing of cullet, wollastonite powder and flyash, add sodium tartrate and modification rice hull ash mixes, 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 organosilicon crylic acid latex and propylene glycol, 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 diacetyl tartarate list double glyceride, Salvin, Jojoba oil and plam oil 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. with cullet and modification rice hull ash for main raw material, have good water tolerance, erosion resistance and weathering resistance, environmental protection, energy-conserving profit waste, product stability is good, 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 modification rice hull ash foamed brick, is prepared from by the component raw material of following weight (kg):

Cullet 55, modification rice hull ash 25, wollastonite powder 4, flyash 4, sodium lauryl sulphate 0.8, diacetyl tartarate list double glyceride 0.8, sodium tartrate 0.8, plam oil 7, Jojoba oil 1.5, Salvin 0.08, propylene glycol 0.3, organosilicon crylic acid latex 0.4, Sodium dodecylbenzene sulfonate 0.3, organosilicon quaternary ammonium salt 3, water 55;

Wherein, modification rice hull ash is made up of the raw material of following weight (kg):

Rice hull ash 25, plant ash 4, calcium lignin sulphonate 0.4, Sodium hexametaphosphate 99 0.8, cm-chitosan 0.3, sodium alginate 0.8, silane resin acceptor kh-550 0.15, dimethyl silicone oil 0.3;

The preparation method of modification rice hull ash:

Calcium lignin sulphonate and Sodium hexametaphosphate 99 grinding will be added evenly after rice hull ash and plant ash mixing, add cm-chitosan, sodium alginate, dimethyl silicone oil and suitable quantity of water, 80 DEG C are stirred 0.5h, dry after filtering, add silane resin acceptor kh-550 and ethanol in proper amount, ultrasonic disperse evenly stirs 30min afterwards, filters and vacuum-drying, be ground to 200 orders, obtain final product.

The preparation method of modification rice hull ash foamed brick comprises the following steps:

(1) by rear for the mixing of cullet, wollastonite powder and flyash 300 DEG C of process 1h, add sodium tartrate and modification rice hull ash mixes, 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 organosilicon crylic acid latex and propylene glycol, 80 DEG C are stirred 10min, add high speed whisking machine and obtain foam, obtain B component after cooling after adding sodium lauryl sulphate and Sodium dodecylbenzene sulfonate stirring 10min;

(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 700 DEG C of sintering 3h, cooling;

(4) organosilicon quaternary ammonium salt is mixed latter 90 DEG C with diacetyl tartarate list double glyceride, Salvin, Jojoba oil and plam oil, 1000r/min stirs 5min, then the fragment of brick surface that 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: 0.047W/(mK), ultimate compression strength: 7.6Mpa.

Claims (2)

1. a modification rice hull ash foamed brick, is characterized in that, it is obtained by the raw material of following weight parts:

Cullet 50-60, modification rice hull ash 20-30, wollastonite powder 3-5, flyash 3-5, sodium lauryl sulphate 0.5-1, diacetyl tartarate list double glyceride 0.5-1, sodium tartrate 0.5-1, plam oil 6-8, Jojoba oil 1-2, Salvin 0.05-0.1, propylene glycol 0.2-0.4, organosilicon crylic acid latex 0.3-0.5, Sodium dodecylbenzene sulfonate 0.2-0.4, organosilicon quaternary ammonium salt 2-4, water 50-60;

Described modification rice hull ash is made up of the raw material of following weight part:

Rice hull ash 20-30, plant ash 3-5, calcium lignin sulphonate 0.3-0.5, Sodium hexametaphosphate 99 0.5-1, cm-chitosan 0.2-0.4, sodium alginate 0.5-1, silane resin acceptor kh-550 0.1-0.2, dimethyl silicone oil 0.2-0.4;

The preparation method of described modification rice hull ash is:

Calcium lignin sulphonate and Sodium hexametaphosphate 99 grinding will be added evenly after rice hull ash and plant ash mixing, add cm-chitosan, sodium alginate, dimethyl silicone oil and suitable quantity of water, 60-80 DEG C is stirred 0.5-1h, dry after filtering, add silane resin acceptor kh-550 and ethanol in proper amount, ultrasonic disperse evenly stirs 20-30min afterwards, filters and vacuum-drying, be ground to 200-300 order, obtain final product.

2. the preparation method of a kind of modification rice hull ash foamed brick according to claim 1, is characterized in that, comprise the following steps:

(1) by 200-300 DEG C of process 1-2h after the mixing of cullet, wollastonite powder and flyash, add sodium tartrate and modification rice hull ash mixes, 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 organosilicon crylic acid latex and propylene glycol, 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 diacetyl tartarate list double glyceride, Salvin, Jojoba oil and plam oil 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.