Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, providing a kind of take diatomite as the preparation method of the concrete admixture of main raw material.
For achieving the above object, the technical solution used in the present invention is as follows:
Take diatomite as a preparation method for the concrete admixture of main raw material, it is characterized in that:
Described preparation method's step is:
Step (1): according to 27 parts, diatomite, dickite 27 parts, montmorillonite 17 parts, malthacite 12 parts, vermiculite 17 parts, 17 parts, saltcake, polyvinyl alcohol 3.6 parts, 3.4 parts, iron(ic) chloride, borax 1.3 parts, 2.8 parts, gypsum, water glass 2.7 parts, 1.1 parts, ferrous sulfate, methylcellulose gum 2.3 parts, 1.6 parts, sodium carbonate, proportioning prepares raw material
Step (2): by 27 parts, diatomite, dickite 27 parts, montmorillonite 17 parts 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: be warming up at a slow speed 300 DEG C with the speed of 2 DEG C/min, 500 DEG C are warming up to afterwards with the speed middling speed of 5 DEG C/min, be rapidly heated to 800 DEG C with the speed of 8 DEG C/min afterwards, then constant temperature is incubated 3 hours; To come out of the stove naturally cooling, after cooling in pulverizer grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): by malthacite 12 parts, vermiculite 17 parts, 17 parts, saltcake carry out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, and obtaining compound particles granularity size is 0.6-0.8mm, afterwards grinding thing is heated, Heating temperature 700 DEG C, is incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained mixture A and step (3) is obtained mixture B loading in mechanical mixer, mechanically mixing 0.5 hour, pour polyvinyl alcohol 3.6 parts, 3.4 parts, iron(ic) chloride, borax 1.3 parts afterwards into, 2.8 parts, gypsum, water glass 2.7 parts, 1.1 parts, ferrous sulfate, methylcellulose gum 2.3 parts, 1.6 parts, sodium carbonate, mechanically mixing 1 hour again, obtaining take diatomite as the adulterant of main raw material.
Take diatomite as a preparation method for the concrete admixture of main raw material, it is characterized in that:
Described preparation method's step is:
Step (1): according to 26 parts, diatomite, dickite 26 parts, montmorillonite 16 parts, malthacite 13 parts, vermiculite 16 parts, 16 parts, saltcake, polyvinyl alcohol 3.4 parts, 3.2 parts, iron(ic) chloride, borax 1.3 parts, 2.4 parts, gypsum, water glass 2.6 parts, 1.7 parts, ferrous sulfate, methylcellulose gum 2.8 parts, 1.9 parts, sodium carbonate, proportioning prepares raw material
Step (2): by 26 parts, diatomite, dickite 26 parts, montmorillonite 16 parts 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: be warming up at a slow speed 300 DEG C with the speed of 2 DEG C/min, 500 DEG C are warming up to afterwards with the speed middling speed of 5 DEG C/min, be rapidly heated to 800 DEG C with the speed of 8 DEG C/min afterwards, then constant temperature is incubated 3 hours; To come out of the stove naturally cooling, after cooling in pulverizer grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): by malthacite 13 parts, vermiculite 16 parts, 16 parts, saltcake carry out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, and obtaining compound particles granularity size is 0.6-0.8mm, afterwards grinding thing is heated, Heating temperature 700 DEG C, is incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained mixture A and step (3) is obtained mixture B loading in mechanical mixer, mechanically mixing 0.5 hour, pour polyvinyl alcohol 3.4 parts, 3.2 parts, iron(ic) chloride, borax 1.3 parts afterwards into, 2.4 parts, gypsum, water glass 2.6 parts, 1.7 parts, ferrous sulfate, methylcellulose gum 2.8 parts, 1.9 parts, sodium carbonate, mechanically mixing 1 hour again, obtaining take diatomite as the adulterant of main raw material.
The preparation method of described with diatomite the is concrete admixture of main raw material, it is 0.9mm that step (2) obtains mixture A granularity size.
The preparation method of described with diatomite the is concrete admixture of main raw material, it is 0.4mm that step (3) obtains mixture B granularity size.
The preparation method of described with diatomite the is concrete admixture of main raw material, diatomite composition is (weight): 80.2%SiO
2, 5.7%Al
2o
3, 0.68%Fe
2o
3, 1.1%CaO, 1.62%MgO, 10.7% loss on ignition.
The preparation method of described with diatomite the is concrete admixture of main raw material, dickite composition is (weight): 61.1%SiO
2, 31.3%Al
2o
3, 1.2%Fe
2o
3, 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 base sample: adopt cement 450g, sand 650g, stone 1100 g, water consumption 225ml, according to, and shaping 40 × 40 × 160mm test specimen, temperature 20 ± 2 DEG C, humidity is maintenance under the condition of more than 90%.
2, the preparation of test sample: adopt cement 414g, that prepare take diatomite as the adulterant 36g of main raw material, sand 650g, stone 1100 g, water consumption 225ml, according to, and shaping 40 × 40 × 160mm test specimen, temperature 20 ± 2 DEG C, humidity is maintenance under the condition of more than 90%.
By obtained with diatomite be the adulterant of main raw material substitute the cement of 8 ﹪ time, concrete test sample ultimate compression strength is after testing: 3 days ultimate compression strength is 17.8MPa, 28 days ultimate compression strength is 41.7MPa, with under similarity condition not in addition diatomite be compared with the base sample ultimate compression strength of the adulterant of main raw material, within 3 days, ultimate compression strength improves 4.3MPa, and within 28 days, ultimate compression strength improves 3.5MPa.Of the present invention is that the adulterant starting material of main raw material are easily purchased with diatomite, and production technique is uncomplicated, is simply easy to produce product, convenient and can evenly use in use procedure, meets the stability of producing, and improves production efficiency, provide cost savings.
Embodiment
Embodiment 1
Take diatomite as a preparation method for the concrete admixture of main raw material, it is characterized in that:
Described preparation method's step is:
Step (1): according to 27 parts, diatomite, dickite 27 parts, montmorillonite 17 parts, malthacite 12 parts, vermiculite 17 parts, 17 parts, saltcake, polyvinyl alcohol 3.6 parts, 3.4 parts, iron(ic) chloride, borax 1.3 parts, 2.8 parts, gypsum, water glass 2.7 parts, 1.1 parts, ferrous sulfate, methylcellulose gum 2.3 parts, 1.6 parts, sodium carbonate, proportioning prepares raw material
Step (2): by 27 parts, diatomite, dickite 27 parts, montmorillonite 17 parts 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: be warming up at a slow speed 300 DEG C with the speed of 2 DEG C/min, 500 DEG C are warming up to afterwards with the speed middling speed of 5 DEG C/min, be rapidly heated to 800 DEG C with the speed of 8 DEG C/min afterwards, then constant temperature is incubated 3 hours; To come out of the stove naturally cooling, after cooling in pulverizer grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): by malthacite 12 parts, vermiculite 17 parts, 17 parts, saltcake carry out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, and obtaining compound particles granularity size is 0.6-0.8mm, afterwards grinding thing is heated, Heating temperature 700 DEG C, is incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained mixture A and step (3) is obtained mixture B loading in mechanical mixer, mechanically mixing 0.5 hour, pour polyvinyl alcohol 3.6 parts, 3.4 parts, iron(ic) chloride, borax 1.3 parts afterwards into, 2.8 parts, gypsum, water glass 2.7 parts, 1.1 parts, ferrous sulfate, methylcellulose gum 2.3 parts, 1.6 parts, sodium carbonate, mechanically mixing 1 hour again, obtaining take diatomite as the adulterant of main raw material.
Embodiment 2
Take diatomite as a preparation method for the concrete admixture of main raw material, it is characterized in that:
Described preparation method's step is:
Step (1): according to 26 parts, diatomite, dickite 26 parts, montmorillonite 16 parts, malthacite 13 parts, vermiculite 16 parts, 16 parts, saltcake, polyvinyl alcohol 3.4 parts, 3.2 parts, iron(ic) chloride, borax 1.3 parts, 2.4 parts, gypsum, water glass 2.6 parts, 1.7 parts, ferrous sulfate, methylcellulose gum 2.8 parts, 1.9 parts, sodium carbonate, proportioning prepares raw material
Step (2): by 26 parts, diatomite, dickite 26 parts, montmorillonite 16 parts 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: be warming up at a slow speed 300 DEG C with the speed of 2 DEG C/min, 500 DEG C are warming up to afterwards with the speed middling speed of 5 DEG C/min, be rapidly heated to 800 DEG C with the speed of 8 DEG C/min afterwards, then constant temperature is incubated 3 hours; To come out of the stove naturally cooling, after cooling in pulverizer grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): by malthacite 13 parts, vermiculite 16 parts, 16 parts, saltcake carry out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, and obtaining compound particles granularity size is 0.6-0.8mm, afterwards grinding thing is heated, Heating temperature 700 DEG C, is incubated 2 hours, after cooling in pulverizer grinding 3 hours again, obtaining mixture B granularity size is 0.3-0.5mm
Step (4): step (2) is obtained mixture A and step (3) is obtained mixture B loading in mechanical mixer, mechanically mixing 0.5 hour, pour polyvinyl alcohol 3.4 parts, 3.2 parts, iron(ic) chloride, borax 1.3 parts afterwards into, 2.4 parts, gypsum, water glass 2.6 parts, 1.7 parts, ferrous sulfate, methylcellulose gum 2.8 parts, 1.9 parts, sodium carbonate, mechanically mixing 1 hour again, obtaining take diatomite as the adulterant of main raw material.