CN105036671A - Fluorine-containing anti-freezing aerated brick - Google Patents

Abstract

The invention discloses a fluorine-containing anti-freezing aerated brick. The aerated brick comprises the following raw materials in parts by weight: 33-40 parts of quick lime, 0.05-0.1 part of polyhexamethylene guanidine, 1-2 parts of tea saponin, 3-4 parts of tricalcium silicate, 1-2 parts of high boron calcium borate, 0.1-0.2 part of potassium chloride, 0.2-0.4 part of sodium fluosilicate, 0.06-0.1 part of potassium fluoroaluminate, 3-4 parts of ceramic powder, 0.1-0.2 part of manganous isooctanoate, 0.6-1 part of ethylene glycol, 240-270 parts of coal ash, 6-10 parts of biomass resistance enhancing agent and 38-48 parts of ordinary Portland cement. According to the aerated brick, for making the added biomass resistance enhancing agent, waste resources, namely, tree bark and cocoanut husks are adopted as biomass raw powder and are subjected to enzyme treatment and alkali treatment to obtain a fiber material with relatively good flexibility, and the fiber material is blended with glycidyl methacrylate for modification, so that the surface resistance is improved; then the modified fiber material is mixed with a saline solution, polyvinyl alcohol, and the like, and then is dried, so that not only the effective recycling of resources is realized, but also the stability of the assistant is improved.

Description

A kind of fluorine-containing freeze proof aerated bricks

Technical field

The present invention relates generally to aerated bricks field, particularly relates to a kind of fluorine-containing freeze proof aerated bricks.

Background technology

Gas concrete is a kind of novel wall material, and its unique distinction is that it is a kind of novel building walling of very light-duty heat insulating.Before gas concrete technology starts from 100 years, and that this technology of China starts is more late, and than totally having fallen behind 40 years abroad, but the development of the gas concrete industry of China is really very fast.Now domestic gas concrete technical matters level can reach international most advanced level, and existing aerated bricks, in order to reduce costs, often causes the poor performance such as kind is single, water-fast, moistureproof, heat insulating, is difficult to the growth requirement meeting society now;

A lot of biomass material such as bark, cocoanut husk is used for greatly the field such as fuel, feed at present, but still there is a lot of biomass material to remain, also there is the problems such as difficult treatment in these remaining raw materials, and the aerated bricks resource that to be social construction indispensable, if therefore excessive remaining biomass material is used for aerated bricks to produce, not only can save production cost, also process surplus resources overscale problems, thus make should have contribution for modernization construction.

Summary of the invention

The object of the invention is exactly a kind of fluorine-containing freeze proof aerated bricks.

The present invention is achieved by the following technical solutions:

A kind of fluorine-containing freeze proof aerated bricks, is characterized in that what it was made up of the raw material of following weight parts:

Unslaked lime 33-40, polyhexamethylene guanidine 0.05-0.1, tea saponin 1-2, tricalcium silicate 3-4, high boron lime borate 1-2, Repone K 0.1-0.2, Sodium Silicofluoride 0.2-0.4, potassium fluoroaluminate 0.06-0.1, ceramics powder 3-4, manganese iso-octoate 0.1-0.2, ethylene glycol 0.6-1, flyash 240-270, biomass increase anti-agent 6-10, ordinary Portland cement 38-48;

Described biomass increasing anti-agent is made up of the raw material of following weight parts:

The former powder 160-200 of biomass, Tai-Ace S 150 3-5, fatty alcohol-polyoxyethylene ether 2-3, Rizinsan K2 A2 1-2, glycidyl methacrylate 20-30, Vinylstyrene 0.7-2, polyvinyl alcohol 2-3, aminopropyl triethoxysilane 0.6-1;

By fatty alcohol-polyoxyethylene ether, Rizinsan K2 A2 mixing, join in 40-50 times of water, add the former powder of biomass after stirring, raised temperature is 48-50 DEG C, add polygalacturonase, in the consumption of polygalacturonase and system, the mass volume ratio of water is 4-6g/l, and adjustment PH is 4-5, enzymolysis 1.5-2h, filter, Tai-Ace S 150 is joined in filtrate, stir, obtain salts solution; Filter residue being sent into concentration is soak 10-20 minute in the sodium hydroxide solution of 0.6-1%, takes out and dries, add butyl methacrylate, aminopropyl triethoxysilane, be uniformly mixed 30-40 minute, obtain the former powder of alkanisation; Join in salts solution by former for above-mentioned alkanisation powder, add each raw material of residue, standing and reacting 2-3 hour at 70-75 DEG C, filter, at 100-105 DEG C, dry 3-5 minute, to obtain final product.

The former powder of described biomass is that the bark of 3-4:1-2 and the mixture abrasive dust of cocoanut husk are made by mass ratio, and particle diameter is 100-120 order.

A preparation method for fluorine-containing freeze proof aerated bricks, is characterized in that comprising the following steps:

(1) get the 10-20% of above-mentioned unslaked lime weight, add 3-4 times of water, stir, obtain milk of lime;

(2) by Sodium Silicofluoride, Repone K, potassium fluoroaluminate mixing, join in 10-20 times of water, add tricalcium silicate, tea saponin, high boron lime borate, insulated and stirred 5-10 minute at 60-70 DEG C;

(3) by each raw material mixing after above-mentioned process, add the 20-25% of ordinary Portland cement weight, remaining unslaked lime, grinding, add each raw material of residue, add suitable quantity of water, 1800-2000 rev/min of dispersed with stirring 5-10 minute, obtains mixed slurry;

(4) gained mixed slurry is poured into the mold shaping, after at 40-50 DEG C precuring 1-2 hour, the demoulding, handling is cut to cutting unit, obtains fragment of brick base;

(5) fragment of brick base is put into reactor steam press maintenance, duration is 10-13h, and temperature is 190-200 DEG C, and pressure is 0.9-1.1MPa, and steam press maintenance is complete puts in storage.

Advantage of the present invention is:

The biomass added in aerated bricks of the present invention increase anti-agent and adopt waste resource bark and cocoanut husk as the former powder of biomass, through ferment treatment, alkaline purification, the good fiber material of snappiness can be obtained, with glycidyl methacrylate blending and modifying, improve surface resistive, then with the combination drying such as salts solution, polyvinyl alcohol, not only achieve the effective recycling of resource, also improve the stability of this auxiliary agent, auxiliary agent of the present invention effectively can improve the adhesive property between aerated bricks component, improves bulk strength and the stability of aerated bricks further;

Aerated bricks of the present invention has good bend resistance intensity, flame retardant resistance, crushing resistance, heat preservation and insulation, frost resistance, and raw material of the present invention is cheap to be easy to get, energy-conserving and environment-protective.

Embodiment

Embodiment 1

A kind of fluorine-containing freeze proof aerated bricks, is characterized in that what it was made up of the raw material of following weight parts:

Unslaked lime 33, polyhexamethylene guanidine 0.05, tea saponin 1, tricalcium silicate 4, high boron lime borate 1, Repone K 0.2, Sodium Silicofluoride 0.2, potassium fluoroaluminate 0.06, ceramics powder 4, manganese iso-octoate 0.2, ethylene glycol 0.6, flyash 270, biomass increase anti-agent 10, ordinary Portland cement 48;

Described biomass increasing anti-agent is made up of the raw material of following weight parts:

The former powder 200 of biomass, Tai-Ace S 150 3, fatty alcohol-polyoxyethylene ether 2, Rizinsan K2 A2 2, glycidyl methacrylate 30, Vinylstyrene 0.7, polyvinyl alcohol 3, aminopropyl triethoxysilane 0.6;

By fatty alcohol-polyoxyethylene ether, Rizinsan K2 A2 mixing, join in 40 times of water, add the former powder of biomass after stirring, raised temperature is 48-50 DEG C, add polygalacturonase, in the consumption of polygalacturonase and system, the mass volume ratio of water is 4g/l, and adjustment PH is 4-5, enzymolysis 1.5h, filter, Tai-Ace S 150 is joined in filtrate, stir, obtain salts solution; Filter residue being sent into concentration is soak 20 minutes in the sodium hydroxide solution of 0.6%, takes out and dries, add butyl methacrylate, aminopropyl triethoxysilane, be uniformly mixed 40 minutes, obtain the former powder of alkanisation; Join in salts solution by former for above-mentioned alkanisation powder, add each raw material of residue, standing and reacting 2 hours at 75 DEG C, filter, at 105 DEG C, drying 5 minutes, to obtain final product.

The former powder of described biomass is that the bark of 4:1 and the mixture abrasive dust of cocoanut husk are made by mass ratio, and particle diameter is 120 orders.

A preparation method for fluorine-containing freeze proof aerated bricks, is characterized in that comprising the following steps:

(1) get 20% of above-mentioned unslaked lime weight, add 4 times of water, stir, obtain milk of lime;

(2) by Sodium Silicofluoride, Repone K, potassium fluoroaluminate mixing, join in 20 times of water, add tricalcium silicate, tea saponin, high boron lime borate, insulated and stirred 10 minutes at 70 DEG C;

(3) by each raw material mixing after above-mentioned process, add 25% of ordinary Portland cement weight, remaining unslaked lime, grinding, add each raw material of residue, add suitable quantity of water, 2000 revs/min of dispersed with stirring 10 minutes, obtain mixed slurry;

(4) gained mixed slurry is poured into the mold shaping, after precuring 2 hours at 50 DEG C, the demoulding, handling is cut to cutting unit, obtains fragment of brick base;

(5) fragment of brick base is put into reactor steam press maintenance, duration is 13h, and temperature is 200 DEG C, and pressure is 0.9-1.1MPa, and steam press maintenance is complete puts in storage.

The volume-weighted average of the present embodiment gained aerated bricks is 620kg/m3, and mean value ultimate compression strength is 8.5Mpa.

Claims (2)

1. a fluorine-containing freeze proof aerated bricks, is characterized in that what it was made up of the raw material of following weight parts:

Unslaked lime 33-40, polyhexamethylene guanidine 0.05-0.1, tea saponin 1-2, tricalcium silicate 3-4, high boron lime borate 1-2, Repone K 0.1-0.2, Sodium Silicofluoride 0.2-0.4, potassium fluoroaluminate 0.06-0.1, ceramics powder 3-4, manganese iso-octoate 0.1-0.2, ethylene glycol 0.6-1, flyash 240-270, biomass increase anti-agent 6-10, ordinary Portland cement 38-48;

Described biomass increasing anti-agent is made up of the raw material of following weight parts:

The former powder 160-200 of biomass, Tai-Ace S 150 3-5, fatty alcohol-polyoxyethylene ether 2-3, Rizinsan K2 A2 1-2, glycidyl methacrylate 20-30, Vinylstyrene 0.7-2, polyvinyl alcohol 2-3, aminopropyl triethoxysilane 0.6-1;

By fatty alcohol-polyoxyethylene ether, Rizinsan K2 A2 mixing, join in 40-50 times of water, add the former powder of biomass after stirring, raised temperature is 48-50 DEG C, add polygalacturonase, in the consumption of polygalacturonase and system, the mass volume ratio of water is 4-6g/l, and adjustment PH is 4-5, enzymolysis 1.5-2h, filter, Tai-Ace S 150 is joined in filtrate, stir, obtain salts solution; Filter residue being sent into concentration is soak 10-20 minute in the sodium hydroxide solution of 0.6-1%, takes out and dries, add butyl methacrylate, aminopropyl triethoxysilane, be uniformly mixed 30-40 minute, obtain the former powder of alkanisation; Join in salts solution by former for above-mentioned alkanisation powder, add each raw material of residue, standing and reacting 2-3 hour at 70-75 DEG C, filter, at 100-105 DEG C, dry 3-5 minute, to obtain final product;

The former powder of described biomass is that the bark of 3-4:1-2 and the mixture abrasive dust of cocoanut husk are made by mass ratio, and particle diameter is 100-120 order.

2. a preparation method for fluorine-containing freeze proof aerated bricks as claimed in claim 1, is characterized in that comprising the following steps:

(1) get the 10-20% of above-mentioned unslaked lime weight, add 3-4 times of water, stir, obtain milk of lime;

(2) by Sodium Silicofluoride, Repone K, potassium fluoroaluminate mixing, join in 10-20 times of water, add tricalcium silicate, tea saponin, high boron lime borate, insulated and stirred 5-10 minute at 60-70 DEG C;

(3) by each raw material mixing after above-mentioned process, add the 20-25% of ordinary Portland cement weight, remaining unslaked lime, grinding, add each raw material of residue, add suitable quantity of water, 1800-2000 rev/min of dispersed with stirring 5-10 minute, obtains mixed slurry;

(4) gained mixed slurry is poured into the mold shaping, after at 40-50 DEG C precuring 1-2 hour, the demoulding, handling is cut to cutting unit, obtains fragment of brick base;

(5) fragment of brick base is put into reactor steam press maintenance, duration is 10-13h, and temperature is 190-200 DEG C, and pressure is 0.9-1.1MPa, and steam press maintenance is complete puts in storage.