CN103755265A - Preparation method of high-strength square brick - Google Patents
Preparation method of high-strength square brick Download PDFInfo
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- CN103755265A CN103755265A CN201410034705.5A CN201410034705A CN103755265A CN 103755265 A CN103755265 A CN 103755265A CN 201410034705 A CN201410034705 A CN 201410034705A CN 103755265 A CN103755265 A CN 103755265A
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Abstract
The invention discloses a preparation method of a high-strength square brick. The method is characterized by comprising the following steps: weighing raw materials: 414g of cement, 36g of a concrete square brick additive, 650g of sand, 1,100g of stones, 225ml of water, 4g of polypropylene fiber and 3g of a naphthalene water reducer; adding the cement, the concrete square brick additive and 100ml of water into a concrete stirring machine and stirring for 2 minutes; and adding the sand, the stones, the polypropylene fiber, the naphthalene water reducer and 125ml of water, and continuing stirring for 2 minutes. The high-strength square brick has the advantages that raw materials are easily available, production process is simple, products are easy to produce, convenience in use, uniform application and high production stability are achieved, production efficiency is improved and the cost is lowered.
Description
Technical field
The present invention relates to a kind of preparation method of high strength square brick, especially a kind of preparation method of strong concrete square brick, belongs to building material manufacture field.
Background technology
The mechanism of action of different minerals admixture in concrete is not quite similar, mineral additive is when improving concrete aspect performance, also can affect otherwise performance, as silicon ash can improve concrete intensity and weather resistance, but large its volume of the water requirement of silicon ash is restricted, and the concrete self-desiccation shrinkage of admixture silicon ash also can increase; The water requirement of breeze is little, and the early age strength of concrete of admixture breeze is lower slightly, self-desiccation shrinkage increases to some extent; The concrete self-desiccation shrinkage of fly ash changes less, use the flyash of high-quality can reduce concrete water requirement to a certain extent, but the anti-carbonization ability of flyash concrete has certain decline, etc.Relevant research both at home and abroad shows: compound synergistic effect or the super folded effect (Synergistic) of producing mutually between mineral additive, different sorts mineral additive is compound can bring into play advantage separately to reach mutual supplement with each other's advantages effect.As the people such as the He Zhen of Wuhan University find under study for action, flyash and breeze are 1: 1 in volume ratio, and are mixed with under the condition of a small amount of exciting agent, show well super synergistic effect, compare the experimental result of singly mixing separately, mortar or concrete performance are greatly improved.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of interpolation can improve the early preparation method of the square brick of the admixture of epistasis energy of concrete square brick.
For achieving the above object, the technical solution used in the present invention is as follows:
A preparation method for high strength square brick, is characterized in that:
Take raw material: cement 414g, concrete square brick admixture 36g, sand 650g, stone 1100 g, water consumption 225ml, polypropylene fibre 4g, naphthalene water reducer 3g, first by cement, concrete square brick admixture and 100 ml water are put into concrete mixer and are stirred 2 minutes, add again sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water continue to stir 2 minutes, after stirring, pour into a mould and in progressive die tool, carry out standing precuring, the time of standing precuring is 8 hours, the temperature of standing precuring should be controlled at 45 ℃, after standing precuring completes, put into autoclave and carry out steam press maintenance 18 hours, when carrying out steam press maintenance, vapor pressure in autoclave should remain on 0.8MPa, after steam press maintenance completes, go out still and obtain high strength square brick,
Described concrete square brick admixture preparation method step is:
Step (1): according to diatomite 25-30 part, dickite 25-30 part, montmorillonite 15-20 part, malthacite 10-15 part, vermiculite 15-25 part, saltcake 15-20 part, polyvinyl alcohol 3-4 part, iron(ic) chloride 3-4 part, borax 1-3 part, gypsum 2-4 part, water glass 2-3 part, ferrous sulfate 1-2 part, methylcellulose gum 2-3 part, sodium carbonate 1-2 part proportioning (weight) is prepared raw material
Step (2): by diatomite 25-30 part, dickite 25-30 part, montmorillonite 15-20 part are carried out grinding in pulverizer, rotating speed is 120r/min, grinding 9 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is put into High Temperature Furnaces Heating Apparatus, according to heating up at a slow speed, middling speed heats up, be rapidly heated and constant temperature Four processes carries out temperature control and fires: the speed with 2 ℃/min is warming up at a slow speed 300 ℃, speed middling speed with 5 ℃/min is warming up to 500 ℃ afterwards, speed with 8 ℃/min is rapidly heated to 800 ℃ afterwards, then constant temperature insulation 3 hours; The naturally cooling of coming out of the stove, cooling after in pulverizer grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): by malthacite 10-15 part, vermiculite 15-25 part, saltcake 15-20 part are carried out grinding in pulverizer, rotating speed is 100r/min, and grinding 3 hours obtains compound particles granularity size for 0.6-0.8mm, afterwards grinding thing is heated, 700 ℃ of Heating temperatures, are incubated 2 hours, cooling after in pulverizer grinding 3 hours again, obtain mixture B granularity size for 0.3-0.5mm
Step (4): step (2) is obtained to mixture A and step (3) is obtained to mixture B packing in mechanical mixer, mechanically mixing 0.5 hour, pour afterwards polyvinyl alcohol 3-4 part, iron(ic) chloride 3-4 part, borax 1-3 part into, gypsum 2-4 part, water glass 2-3 part, ferrous sulfate 1-2 part, methylcellulose gum 2-3 part, sodium carbonate 1-2 part, mechanically mixing is 1 hour again, obtains concrete square brick admixture.
As preferably, the preparation method of described build concrete, described concrete square brick admixture raw material is: 25 parts, diatomite, 25 parts of dickites, 15 parts of montmorillonites, 10 parts of malthacites, 15 parts of vermiculites, 15 parts, saltcake, 3 parts of polyvinyl alcohol, 3 parts, iron(ic) chloride, 1 part of borax, 2 parts, gypsum, 2 parts of water glass, 1 part, ferrous sulfate, 2 parts of methylcellulose gum, 1 part, sodium carbonate.
As preferably, the preparation method of described high strength square brick, described concrete square brick admixture raw material is: 30 parts, diatomite, 30 parts of dickites, 0 part of montmorillonite 2,15 parts of malthacites, 25 parts of vermiculites, 20 parts, saltcake, 4 parts of polyvinyl alcohol, 4 parts, iron(ic) chloride, 3 parts of boraxs, 4 parts, gypsum, 3 parts of water glass, 2 parts, ferrous sulfate, 3 parts of methylcellulose gum, 2 parts, sodium carbonate.
As preferably, the preparation method of described high strength square brick, described concrete square brick admixture raw material is: 28 parts, diatomite, 28 parts of dickites, 18 parts of montmorillonites, 13 parts of malthacites, 18 parts of vermiculites, 18 parts, saltcake, 3.5 parts of polyvinyl alcohol, 3.5 parts, iron(ic) chloride, 2 parts of boraxs, 3 parts, gypsum, 2.5 parts of water glass, 1.5 parts, ferrous sulfate, 2.5 parts of methylcellulose gum, 1.5 parts, sodium carbonate.
As preferably, the preparation method of described high strength square brick, described concrete square brick admixture raw material is: 27 parts, diatomite, 27 parts of dickites, 17 parts of montmorillonites, 12 parts of malthacites, 17 parts of vermiculites, 17 parts, saltcake, 3.6 parts of polyvinyl alcohol, 3.4 parts, iron(ic) chloride, 1.3 parts of boraxs, 2.8 parts, gypsum, 2.7 parts of water glass, 1.1 parts, ferrous sulfate, 2.3 parts of methylcellulose gum, 1.6 parts, sodium carbonate.
As preferably, the preparation method of described high strength square brick, it is 0.9mm that step (2) obtains mixture A granularity size.
As preferably, the preparation method of described high strength square brick, it is 0.4mm that step (3) obtains mixture B granularity size.
As preferably, the preparation method of described high strength square brick, diatomite composition is (weight): 80.2%SiO2,5.7%Al2O3,0.68%Fe2O3,1.1%CaO, 1.62%MgO, 10.7% loss on ignition.
As preferably, the preparation method of described high strength square brick, dickite composition is (weight): 61.1%SiO2,31.3%Al2O3,1.2%Fe2O3,1.1%CaO, 0.5%MgO, 4.8% loss on ignition.
Compared with prior art, the present invention has following beneficial effect:
1, the preparation of benchmark sample: adopt cement 450g, sand 650g, stone 1100 g, water consumption 225ml, polypropylene fibre 4g, naphthalene water reducer 3g, and moulding 40 * 40 * 160mm test specimen, carry out maintenance.
2, the preparation of test sample: adopt cement 414g, the concrete square brick admixture 36g preparing, sand 650g, stone 1100 g, water consumption 225ml, polypropylene fibre 4g, naphthalene water reducer 3g, and moulding 40 * 40 * 160mm test specimen, carry out maintenance.
When the concrete square brick admixture making is substituted to the cement of 8 ﹪, concrete square brick test sample ultimate compression strength is after testing: 3 days ultimate compression strength is 17.8MPa, 28 days ultimate compression strength is 41.7MPa, compare with the benchmark sample ultimate compression strength that does not add concrete square brick admixture under similarity condition, within 3 days, ultimate compression strength has improved 4.3MPa, and within 28 days, ultimate compression strength has improved 3.5MPa.Concrete square brick admixture starting material of the present invention are easily purchased, and production technique is uncomplicated, is simply easy to produce product, in use procedure, conveniently also can evenly use, and meet the stability of producing, and have improved production efficiency, provide cost savings.
Embodiment
Embodiment 1
A preparation method for high strength square brick, is characterized in that:
Take raw material: cement 414g, concrete square brick admixture 36g, sand 650g, stone 1100 g, water consumption 225ml, polypropylene fibre 4g, naphthalene water reducer 3g, first by cement, concrete square brick admixture and 100 ml water are put into concrete mixer and are stirred 2 minutes, add again sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water continue to stir 2 minutes, after stirring, pour into a mould and in progressive die tool, carry out standing precuring, the time of standing precuring is 8 hours, the temperature of standing precuring should be controlled at 45 ℃, after standing precuring completes, put into autoclave and carry out steam press maintenance 18 hours, when carrying out steam press maintenance, vapor pressure in autoclave should remain on 0.8MPa, after steam press maintenance completes, go out still and obtain high strength square brick,
Described concrete square brick admixture preparation method step is:
Step (1): according to 25 parts, diatomite, 25 parts of dickites, 15 parts of montmorillonites, 10 parts of malthacites, 15 parts of vermiculites, 15 parts, saltcake, 3 parts of polyvinyl alcohol, 3 parts, iron(ic) chloride, 1 part of borax, 2 parts, gypsum, 2 parts of water glass, 1 part, ferrous sulfate, 2 parts of methylcellulose gum, 1 part, sodium carbonate, proportioning is prepared raw material
Step (2): by 25 parts, diatomite, 15 parts of 25 parts of dickites, montmorillonite carry out grinding in pulverizer, rotating speed is 120r/min, grinding 9 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is put into High Temperature Furnaces Heating Apparatus, according to heating up at a slow speed, middling speed heats up, be rapidly heated and constant temperature Four processes carries out temperature control and fires: the speed with 2 ℃/min is warming up at a slow speed 300 ℃, speed middling speed with 5 ℃/min is warming up to 500 ℃ afterwards, speed with 8 ℃/min is rapidly heated to 800 ℃ afterwards, then constant temperature insulation 3 hours; The naturally cooling of coming out of the stove, cooling after in pulverizer grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): by 10 parts of malthacites, 15 parts of 15 parts of vermiculites, saltcake carry out grinding in pulverizer, rotating speed is 100r/min, and grinding 3 hours obtains compound particles granularity size for 0.6-0.8mm, afterwards grinding thing is heated, 700 ℃ of Heating temperatures, are incubated 2 hours, cooling after in pulverizer grinding 3 hours again, obtain mixture B granularity size for 0.3-0.5mm
Step (4): step (2) is obtained to mixture A and step (3) is obtained to mixture B packing in mechanical mixer, mechanically mixing 0.5 hour, pour afterwards 3 parts of polyvinyl alcohol, 3 parts, iron(ic) chloride, 1 part of borax into, 2 parts, gypsum, 2 parts of water glass, 1 part, ferrous sulfate, 2 parts of methylcellulose gum, 1 part, sodium carbonate, mechanically mixing is 1 hour again, obtains concrete square brick admixture.
Embodiment 2
A preparation method for high strength square brick, is characterized in that:
Take raw material: cement 414g, concrete square brick admixture 36g, sand 650g, stone 1100 g, water consumption 225ml, polypropylene fibre 4g, naphthalene water reducer 3g, first by cement, concrete square brick admixture and 100 ml water are put into concrete mixer and are stirred 2 minutes, add again sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water continue to stir 2 minutes, after stirring, pour into a mould and in progressive die tool, carry out standing precuring, the time of standing precuring is 8 hours, the temperature of standing precuring should be controlled at 45 ℃, after standing precuring completes, put into autoclave and carry out steam press maintenance 18 hours, when carrying out steam press maintenance, vapor pressure in autoclave should remain on 0.8MPa, after steam press maintenance completes, go out still and obtain high strength square brick,
Described concrete square brick admixture preparation method step is:
Step (1): according to 30 parts, diatomite, 30 parts of dickites, 0 part of montmorillonite 2,15 parts of malthacites, 25 parts of vermiculites, 20 parts, saltcake, 4 parts of polyvinyl alcohol, 4 parts, iron(ic) chloride, 3 parts of boraxs, 4 parts, gypsum, 3 parts of water glass, 2 parts, ferrous sulfate, 3 parts of methylcellulose gum, 2 parts, sodium carbonate, proportioning is prepared raw material
Step (2): by 30 parts, diatomite, 0 part of 30 parts of dickite, montmorillonite 2 carry out grinding in pulverizer, rotating speed is 120r/min, grinding 9 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is put into High Temperature Furnaces Heating Apparatus, according to heating up at a slow speed, middling speed heats up, be rapidly heated and constant temperature Four processes carries out temperature control and fires: the speed with 2 ℃/min is warming up at a slow speed 300 ℃, speed middling speed with 5 ℃/min is warming up to 500 ℃ afterwards, speed with 8 ℃/min is rapidly heated to 800 ℃ afterwards, then constant temperature insulation 3 hours; The naturally cooling of coming out of the stove, cooling after in pulverizer grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): by 15 parts of malthacites, 20 parts of 25 parts of vermiculites, saltcake carry out grinding in pulverizer, rotating speed is 100r/min, and grinding 3 hours obtains compound particles granularity size for 0.6-0.8mm, afterwards grinding thing is heated, 700 ℃ of Heating temperatures, are incubated 2 hours, cooling after in pulverizer grinding 3 hours again, obtain mixture B granularity size for 0.3-0.5mm
Step (4): step (2) is obtained to mixture A and step (3) is obtained to mixture B packing in mechanical mixer, mechanically mixing 0.5 hour, pour afterwards 4 parts of polyvinyl alcohol, 4 parts, iron(ic) chloride, 3 parts of boraxs into, 4 parts, gypsum, 3 parts of water glass, 2 parts, ferrous sulfate, 3 parts of methylcellulose gum, 2 parts, sodium carbonate, mechanically mixing is 1 hour again, obtains concrete square brick admixture.
Embodiment 3
A preparation method for high strength square brick, is characterized in that:
Take raw material: cement 414g, concrete square brick admixture 36g, sand 650g, stone 1100 g, water consumption 225ml, polypropylene fibre 4g, naphthalene water reducer 3g, first by cement, concrete square brick admixture and 100 ml water are put into concrete mixer and are stirred 2 minutes, add again sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water continue to stir 2 minutes, after stirring, pour into a mould and in progressive die tool, carry out standing precuring, the time of standing precuring is 8 hours, the temperature of standing precuring should be controlled at 45 ℃, after standing precuring completes, put into autoclave and carry out steam press maintenance 18 hours, when carrying out steam press maintenance, vapor pressure in autoclave should remain on 0.8MPa, after steam press maintenance completes, go out still and obtain high strength square brick,
Described concrete square brick admixture preparation method step is:
Step (1): according to 28 parts, diatomite, 28 parts of dickites, 18 parts of montmorillonites, 13 parts of malthacites, 18 parts of vermiculites, 18 parts, saltcake, 3.5 parts of polyvinyl alcohol, 3.5 parts, iron(ic) chloride, 2 parts of boraxs, 3 parts, gypsum, 2.5 parts of water glass, 1.5 parts, ferrous sulfate, 2.5 parts of methylcellulose gum, 1.5 parts, sodium carbonate, proportioning is prepared raw material
Step (2): by 28 parts, diatomite, 18 parts of 28 parts of dickites, montmorillonite carry out grinding in pulverizer, rotating speed is 120r/min, grinding 9 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is put into High Temperature Furnaces Heating Apparatus, according to heating up at a slow speed, middling speed heats up, be rapidly heated and constant temperature Four processes carries out temperature control and fires: the speed with 2 ℃/min is warming up at a slow speed 300 ℃, speed middling speed with 5 ℃/min is warming up to 500 ℃ afterwards, speed with 8 ℃/min is rapidly heated to 800 ℃ afterwards, then constant temperature insulation 3 hours; The naturally cooling of coming out of the stove, cooling after in pulverizer grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): by 13 parts of malthacites, 18 parts of 18 parts of vermiculites, saltcake carry out grinding in pulverizer, rotating speed is 100r/min, and grinding 3 hours obtains compound particles granularity size for 0.6-0.8mm, afterwards grinding thing is heated, 700 ℃ of Heating temperatures, are incubated 2 hours, cooling after in pulverizer grinding 3 hours again, obtain mixture B granularity size for 0.3-0.5mm
Step (4): step (2) is obtained to mixture A and step (3) is obtained to mixture B packing in mechanical mixer, mechanically mixing 0.5 hour, pour afterwards 3.5 parts of polyvinyl alcohol, 3.5 parts, iron(ic) chloride, 2 parts of boraxs into, 3 parts, gypsum, 2.5 parts of water glass, 1.5 parts, ferrous sulfate, 2.5 parts of methylcellulose gum, 1.5 parts, sodium carbonate, mechanically mixing is 1 hour again, obtains concrete square brick admixture.
Embodiment 4
A preparation method for high strength square brick, is characterized in that:
Take raw material: cement 414g, concrete square brick admixture 36g, sand 650g, stone 1100 g, water consumption 225ml, polypropylene fibre 4g, naphthalene water reducer 3g, first by cement, concrete square brick admixture and 100 ml water are put into concrete mixer and are stirred 2 minutes, add again sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water continue to stir 2 minutes, after stirring, pour into a mould and in progressive die tool, carry out standing precuring, the time of standing precuring is 8 hours, the temperature of standing precuring should be controlled at 45 ℃, after standing precuring completes, put into autoclave and carry out steam press maintenance 18 hours, when carrying out steam press maintenance, vapor pressure in autoclave should remain on 0.8MPa, after steam press maintenance completes, go out still and obtain high strength square brick,
Described concrete square brick admixture preparation method step is:
Step (1): according to 27 parts, diatomite, 27 parts of dickites, 17 parts of montmorillonites, 12 parts of malthacites, 17 parts of vermiculites, 17 parts, saltcake, 3.6 parts of polyvinyl alcohol, 3.4 parts, iron(ic) chloride, 1.3 parts of boraxs, 2.8 parts, gypsum, 2.7 parts of water glass, 1.1 parts, ferrous sulfate, 2.3 parts of methylcellulose gum, 1.6 parts, sodium carbonate, proportioning is prepared raw material
Step (2): by 27 parts, diatomite, 17 parts of 27 parts of dickites, montmorillonite carry out grinding in pulverizer, rotating speed is 120r/min, grinding 9 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is put into High Temperature Furnaces Heating Apparatus, according to heating up at a slow speed, middling speed heats up, be rapidly heated and constant temperature Four processes carries out temperature control and fires: the speed with 2 ℃/min is warming up at a slow speed 300 ℃, speed middling speed with 5 ℃/min is warming up to 500 ℃ afterwards, speed with 8 ℃/min is rapidly heated to 800 ℃ afterwards, then constant temperature insulation 3 hours; The naturally cooling of coming out of the stove, cooling after in pulverizer grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): by 12 parts of malthacites, 17 parts of 17 parts of vermiculites, saltcake carry out grinding in pulverizer, rotating speed is 100r/min, and grinding 3 hours obtains compound particles granularity size for 0.6-0.8mm, afterwards grinding thing is heated, 700 ℃ of Heating temperatures, are incubated 2 hours, cooling after in pulverizer grinding 3 hours again, obtain mixture B granularity size for 0.3-0.5mm
Step (4): step (2) is obtained to mixture A and step (3) is obtained to mixture B packing in mechanical mixer, mechanically mixing 0.5 hour, pour afterwards 3.6 parts of polyvinyl alcohol, 3.4 parts, iron(ic) chloride, 1.3 parts of boraxs into, 2.8 parts, gypsum, 2.7 parts of water glass, 1.1 parts, ferrous sulfate, 2.3 parts of methylcellulose gum, 1.6 parts, sodium carbonate, mechanically mixing is 1 hour again, obtains concrete square brick admixture.
Embodiment 5
A preparation method for high strength square brick, is characterized in that:
Take raw material: cement 414g, concrete square brick admixture 36g, sand 650g, stone 1100 g, water consumption 225ml, polypropylene fibre 4g, naphthalene water reducer 3g, first by cement, concrete square brick admixture and 100 ml water are put into concrete mixer and are stirred 2 minutes, add again sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water continue to stir 2 minutes, after stirring, pour into a mould and in progressive die tool, carry out standing precuring, the time of standing precuring is 8 hours, the temperature of standing precuring should be controlled at 45 ℃, after standing precuring completes, put into autoclave and carry out steam press maintenance 18 hours, when carrying out steam press maintenance, vapor pressure in autoclave should remain on 0.8MPa, after steam press maintenance completes, go out still and obtain high strength square brick,
Described concrete square brick admixture preparation method step is:
Step (1): according to 26 parts, diatomite, 26 parts of dickites, 16 parts of montmorillonites, 13 parts of malthacites, 16 parts of vermiculites, 16 parts, saltcake, 3.4 parts of polyvinyl alcohol, 3.2 parts, iron(ic) chloride, 1.3 parts of boraxs, 2.4 parts, gypsum, 2.6 parts of water glass, 1.7 parts, ferrous sulfate, 2.8 parts of methylcellulose gum, 1.9 parts, sodium carbonate, proportioning is prepared raw material
Step (2): by 26 parts, diatomite, 16 parts of 26 parts of dickites, montmorillonite carry out grinding in pulverizer, rotating speed is 120r/min, grinding 9 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is put into High Temperature Furnaces Heating Apparatus, according to heating up at a slow speed, middling speed heats up, be rapidly heated and constant temperature Four processes carries out temperature control and fires: the speed with 2 ℃/min is warming up at a slow speed 300 ℃, speed middling speed with 5 ℃/min is warming up to 500 ℃ afterwards, speed with 8 ℃/min is rapidly heated to 800 ℃ afterwards, then constant temperature insulation 3 hours; The naturally cooling of coming out of the stove, cooling after in pulverizer grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): by 13 parts of malthacites, 16 parts of 16 parts of vermiculites, saltcake carry out grinding in pulverizer, rotating speed is 100r/min, and grinding 3 hours obtains compound particles granularity size for 0.6-0.8mm, afterwards grinding thing is heated, 700 ℃ of Heating temperatures, are incubated 2 hours, cooling after in pulverizer grinding 3 hours again, obtain mixture B granularity size for 0.3-0.5mm
Step (4): step (2) is obtained to mixture A and step (3) is obtained to mixture B packing in mechanical mixer, mechanically mixing 0.5 hour, pour afterwards 3.4 parts of polyvinyl alcohol, 3.2 parts, iron(ic) chloride, 1.3 parts of boraxs into, 2.4 parts, gypsum, 2.6 parts of water glass, 1.7 parts, ferrous sulfate, 2.8 parts of methylcellulose gum, 1.9 parts, sodium carbonate, mechanically mixing is 1 hour again, obtains concrete square brick admixture.
Claims (9)
1. a preparation method for high strength square brick, is characterized in that:
Take raw material: cement 414g, concrete square brick admixture 36g, sand 650g, stone 1100 g, water consumption 225ml, polypropylene fibre 4g, naphthalene water reducer 3g, first by cement, concrete square brick admixture and 100 ml water are put into concrete mixer and are stirred 2 minutes, add again sand, stone, polypropylene fibre, naphthalene water reducer and 125ml water continue to stir 2 minutes, after stirring, pour into a mould and in progressive die tool, carry out standing precuring, the time of standing precuring is 8 hours, the temperature of standing precuring should be controlled at 45 ℃, after standing precuring completes, put into autoclave and carry out steam press maintenance 18 hours, when carrying out steam press maintenance, vapor pressure in autoclave should remain on 0.8MPa, after steam press maintenance completes, go out still and obtain high strength square brick,
Described concrete square brick admixture preparation method step is:
Step (1): according to diatomite 25-30 part, dickite 25-30 part, montmorillonite 15-20 part, malthacite 10-15 part, vermiculite 15-25 part, saltcake 15-20 part, polyvinyl alcohol 3-4 part, iron(ic) chloride 3-4 part, borax 1-3 part, gypsum 2-4 part, water glass 2-3 part, ferrous sulfate 1-2 part, methylcellulose gum 2-3 part, sodium carbonate 1-2 part proportioning (weight) is prepared raw material
Step (2): by diatomite 25-30 part, dickite 25-30 part, montmorillonite 15-20 part are carried out grinding in pulverizer, rotating speed is 120r/min, grinding 9 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is put into High Temperature Furnaces Heating Apparatus, according to heating up at a slow speed, middling speed heats up, be rapidly heated and constant temperature Four processes carries out temperature control and fires: the speed with 2 ℃/min is warming up at a slow speed 300 ℃, speed middling speed with 5 ℃/min is warming up to 500 ℃ afterwards, speed with 8 ℃/min is rapidly heated to 800 ℃ afterwards, then constant temperature insulation 3 hours; The naturally cooling of coming out of the stove, cooling after in pulverizer grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): by malthacite 10-15 part, vermiculite 15-25 part, saltcake 15-20 part are carried out grinding in pulverizer, rotating speed is 100r/min, and grinding 3 hours obtains compound particles granularity size for 0.6-0.8mm, afterwards grinding thing is heated, 700 ℃ of Heating temperatures, are incubated 2 hours, cooling after in pulverizer grinding 3 hours again, obtain mixture B granularity size for 0.3-0.5mm
Step (4): step (2) is obtained to mixture A and step (3) is obtained to mixture B packing in mechanical mixer, mechanically mixing 0.5 hour, pour afterwards polyvinyl alcohol 3-4 part, iron(ic) chloride 3-4 part, borax 1-3 part into, gypsum 2-4 part, water glass 2-3 part, ferrous sulfate 1-2 part, methylcellulose gum 2-3 part, sodium carbonate 1-2 part, mechanically mixing is 1 hour again, obtains concrete square brick admixture.
2. the preparation method of build concrete as claimed in claim 1, described concrete square brick admixture raw material is: 25 parts, diatomite, 25 parts of dickites, 15 parts of montmorillonites, 10 parts of malthacites, 15 parts of vermiculites, 15 parts, saltcake, 3 parts of polyvinyl alcohol, 3 parts, iron(ic) chloride, 1 part of borax, 2 parts, gypsum, 2 parts of water glass, 1 part, ferrous sulfate, 2 parts of methylcellulose gum, 1 part, sodium carbonate.
3. the preparation method of high strength square brick as claimed in claim 1, described concrete square brick admixture raw material is: 30 parts, diatomite, 30 parts of dickites, 0 part of montmorillonite 2,15 parts of malthacites, 25 parts of vermiculites, 20 parts, saltcake, 4 parts of polyvinyl alcohol, 4 parts, iron(ic) chloride, 3 parts of boraxs, 4 parts, gypsum, 3 parts of water glass, 2 parts, ferrous sulfate, 3 parts of methylcellulose gum, 2 parts, sodium carbonate.
4. the preparation method of high strength square brick as claimed in claim 1, described concrete square brick admixture raw material is: 28 parts, diatomite, 28 parts of dickites, 18 parts of montmorillonites, 13 parts of malthacites, 18 parts of vermiculites, 18 parts, saltcake, 3.5 parts of polyvinyl alcohol, 3.5 parts, iron(ic) chloride, 2 parts of boraxs, 3 parts, gypsum, 2.5 parts of water glass, 1.5 parts, ferrous sulfate, 2.5 parts of methylcellulose gum, 1.5 parts, sodium carbonate.
5. the preparation method of high strength square brick as claimed in claim 1, described concrete square brick admixture raw material is: 27 parts, diatomite, 27 parts of dickites, 17 parts of montmorillonites, 12 parts of malthacites, 17 parts of vermiculites, 17 parts, saltcake, 3.6 parts of polyvinyl alcohol, 3.4 parts, iron(ic) chloride, 1.3 parts of boraxs, 2.8 parts, gypsum, 2.7 parts of water glass, 1.1 parts, ferrous sulfate, 2.3 parts of methylcellulose gum, 1.6 parts, sodium carbonate.
6. the preparation method of high strength square brick as claimed in claim 1, it is 0.9mm that step (2) obtains mixture A granularity size.
7. the preparation method of high strength square brick as claimed in claim 1, it is 0.4mm that step (3) obtains mixture B granularity size.
8. the preparation method of high strength square brick as claimed in claim 1, diatomite composition is (weight): 80.2%SiO2,5.7%Al2O3,0.68%Fe2O3,1.1%CaO, 1.62%MgO, 10.7% loss on ignition.
9. the preparation method of high strength square brick as claimed in claim 1, dickite composition is (weight): 61.1%SiO2,31.3%Al2O3,1.2%Fe2O3,1.1%CaO, 0.5%MgO, 4.8% loss on ignition.
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| CN105948581A (en) * | 2016-04-29 | 2016-09-21 | 尹超 | Building block for wall body |
| CN109053059A (en) * | 2018-10-18 | 2018-12-21 | 合肥慧林建材有限公司 | Corrosion-resistant ageing-resistant cement brick of one kind and preparation method thereof |
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