CN104591582B - A kind of preparation method of the cement intensifier that can improve cement products intensity - Google Patents
A kind of preparation method of the cement intensifier that can improve cement products intensity Download PDFInfo
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- CN104591582B CN104591582B CN201510049388.9A CN201510049388A CN104591582B CN 104591582 B CN104591582 B CN 104591582B CN 201510049388 A CN201510049388 A CN 201510049388A CN 104591582 B CN104591582 B CN 104591582B
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- 239000004568 cement Substances 0.000 title claims abstract description 56
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 26
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 14
- 229910001649 dickite Inorganic materials 0.000 claims abstract description 14
- 229910021532 Calcite Inorganic materials 0.000 claims abstract description 13
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 13
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 13
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims abstract description 13
- 239000004411 aluminium Substances 0.000 claims abstract description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 13
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims abstract description 13
- 229910001634 calcium fluoride Inorganic materials 0.000 claims abstract description 13
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 13
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims abstract description 13
- 239000001632 sodium acetate Substances 0.000 claims abstract description 13
- 235000017281 sodium acetate Nutrition 0.000 claims abstract description 13
- 229910000029 sodium carbonate Inorganic materials 0.000 claims abstract description 13
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 13
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 8
- 238000000227 grinding Methods 0.000 claims description 56
- 239000000203 mixture Substances 0.000 claims description 40
- 235000013312 flour Nutrition 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 18
- 239000000320 mechanical mixture Substances 0.000 claims description 12
- 238000010792 warming Methods 0.000 claims description 12
- 239000008187 granular material Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- -1 shale Inorganic materials 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention discloses the preparation method of a kind of cement intensifier that can improve cement products intensity, it is characterized in that: described cement intensifier raw material is: dickite, montmorillonite, shale, calcite, kieselguhr, calcium fluoride, Natrii Sulfas, polyvinyl alcohol, sodium acetate, sodium carbonate, Gypsum Fibrosum, sodium silicate, aluminium powder, calcium nitrate, the reinforcing agent raw material of the present invention is easily purchased, production technology is uncomplicated, simply it is readily produced product, facilitate during use and can uniformly use, meet the stability produced, and improve production efficiency, provide cost savings.
Description
Technical field
The present invention relates to the preparation method of a kind of cement intensifier, i.e. can improve the preparation method of the cement intensifier of cement products intensity, belong to building material manufacture field.
Background technology
It is known that cement is one of major product of building cementing material, cement is by the portland cement clinker made after the mixing of the mineral raw material such as limestone, fire coal, iron powder and clay, then adds Gypsum Fibrosum in grog and make through levigate.Along with the fast development of China's economy, cement consumption is being multiplied, and therefore, the mineral raw material consumption such as limestone, fire coal, iron powder and clay increases day by day, and mineral resources constantly reduce.At present, under guaranteeing strength of cement premise, cement production plants man is suitably incorporated some mixed materials by technological means; thus reach to save mineral resources; reducing cement cost, the purpose of protection environment, wherein mixed material is mainly some cheap slag, ashes, flyash etc..But being limited by strength of cement standard-required, said mixture material mixes consumption and is typically not to be exceeded 20%, and otherwise, strength of cement can substantially reduce.While how increasing mixture incorporation consumption in cement further by technological means, strength of cement not only will not decline, and can increase on the contrary, thus reduces cement cost further, and saving the energy is the new problem that cement industry faces.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that the preparation method of a kind of cement intensifier that can improve cement products intensity.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of preparation method of the cement intensifier that can improve cement products intensity, it is characterised in that:
Described preparation method step is:
Step (1): according to dickite 32 parts, montmorillonite 33 parts, 24 parts of shale, 16 parts of calcite, 13 parts of kieselguhr, 6 parts of calcium fluoride, 6 parts of Natrii Sulfas, polyvinyl alcohol 3.7 parts, sodium acetate 3.7 parts, sodium carbonate 1.4 parts, 2.4 parts of Gypsum Fibrosum, sodium silicate 2.6 parts, aluminium powder 1.6 parts, 1.4 parts of proportionings of calcium nitrate prepare raw material
Step (2): dickite 32 parts, montmorillonite 33 parts, 24 parts of shale, 16 parts of calcite are carried out grinding in flour mill, rotating speed is 120r/min, grinding 9 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is put in high temperature furnace, carry out temperature control fire according to intensification at a slow speed, gentle three processes of constant temperature of middling speed liter: being warming up at a slow speed 300 DEG C with the speed of 2 DEG C/min, be warming up to 800 DEG C with the speed middling speed of 5 DEG C/min afterwards, then constant temperature is incubated 3 hours；Come out of the stove natural cooling, after cooling in flour mill grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): 13 parts of kieselguhr, 6 parts of calcium fluoride, 6 parts of Natrii Sulfas are carried out grinding in flour mill, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats grinding thing afterwards, heating-up temperature 700 DEG C, it is incubated 2 hours, after cooling in flour mill 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 in mixture B loading mechanical mixer, mechanical mixture 0.5 hour, pour polyvinyl alcohol 3.7 parts, sodium acetate 3.7 parts, sodium carbonate 1.4 parts afterwards into, 2.4 parts of Gypsum Fibrosum, sodium silicate 2.6 parts, aluminium powder 1.6 parts, calcium nitrate 1.4 parts, then mechanical mixture 1 hour, obtain reinforcing agent.
A kind of preparation method of the cement intensifier that can improve cement products intensity, it is characterised in that:
Described preparation method step is:
Step (1): according to dickite 37 parts, montmorillonite 37 parts, 28 parts of shale, 19 parts of calcite, 18 parts of kieselguhr, 9 parts of calcium fluoride, 8 parts of Natrii Sulfas, polyvinyl alcohol 3.8 parts, sodium acetate 3.8 parts, sodium carbonate 1.6 parts, 3 parts of Gypsum Fibrosum, sodium silicate 2.7 parts, aluminium powder 1.6 parts, 1.6 parts of proportionings of calcium nitrate prepare raw material
Step (2): dickite 37 parts, montmorillonite 37 parts, 28 parts of shale, 19 parts of calcite are carried out grinding in flour mill, rotating speed is 120r/min, grinding 9 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is put in high temperature furnace, carry out temperature control fire according to intensification at a slow speed, gentle three processes of constant temperature of middling speed liter: being warming up at a slow speed 300 DEG C with the speed of 2 DEG C/min, be warming up to 800 DEG C with the speed middling speed of 5 DEG C/min afterwards, then constant temperature is incubated 3 hours；Come out of the stove natural cooling, after cooling in flour mill grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): 18 parts of kieselguhr, 9 parts of calcium fluoride, 8 parts of Natrii Sulfas are carried out grinding in flour mill, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats grinding thing afterwards, heating-up temperature 700 DEG C, it is incubated 2 hours, after cooling in flour mill 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 in mixture B loading mechanical mixer, mechanical mixture 0.5 hour, pour polyvinyl alcohol 3.8 parts, sodium acetate 3.8 parts, sodium carbonate 1.6 parts afterwards into, 3 parts of Gypsum Fibrosum, sodium silicate 2.7 parts, aluminium powder 1.6 parts, calcium nitrate 1.6 parts, then mechanical mixture 1 hour, obtain reinforcing agent.
As preferably, the preparation method of the described cement intensifier that can improve cement products intensity, it is 0.9mm that step (2) obtains mixture A granularity size.
As preferably, the preparation method of the described cement intensifier that can improve cement products intensity, it is 0.4mm that step (3) obtains mixture B granularity size.
As preferably, the preparation method of the described cement intensifier that can improve cement products intensity, kieselguhr 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 the described reinforcing agent that can improve cement products intensity, 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, there is advantages that
1, the preparation of base sample: using cement 300g, sand 750g, water consumption 120ml, and molding 40 × 40 × 160mm test specimen, temperature 20 ± 2 DEG C, humidity is maintenance under conditions of more than 90%.
2, the preparation of test specimen: using cement 288g, the cement intensifier 12g prepared, sand 750g, water consumption 120ml, and molding 40 × 40 × 160mm test specimen, temperature 20 ± 2 DEG C, humidity is maintenance under conditions of more than 90%.
When being 4 by prepared cement intensifier replacement cement component, strength of cement is after testing: 3 days comprcssive strength is 15.7MPa, 28 days comprcssive strength is 40.1MPa, compared with the strength of cement not adding cement intensifier under similarity condition, within 3 days, comprcssive strength improves 3.7MPa, and within 28 days, comprcssive strength improves 5.7MPa.The cement intensifier raw material of the present invention is easily purchased, and production technology is uncomplicated, is simply readily produced product, facilitates and can uniformly use during use, meets the stability produced, and improves production efficiency, provides cost savings.
Detailed description of the invention
Embodiment 1
A kind of preparation method of the cement intensifier that can improve cement products intensity, it is characterised in that:
Described preparation method step is:
Step (1): according to dickite 32 parts, montmorillonite 33 parts, 24 parts of shale, 16 parts of calcite, 13 parts of kieselguhr, 6 parts of calcium fluoride, 6 parts of Natrii Sulfas, polyvinyl alcohol 3.7 parts, sodium acetate 3.7 parts, sodium carbonate 1.4 parts, 2.4 parts of Gypsum Fibrosum, sodium silicate 2.6 parts, aluminium powder 1.6 parts, 1.4 parts of proportionings of calcium nitrate prepare raw material
Step (2): dickite 32 parts, montmorillonite 33 parts, 24 parts of shale, 16 parts of calcite are carried out grinding in flour mill, rotating speed is 120r/min, grinding 9 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is put in high temperature furnace, carry out temperature control fire according to intensification at a slow speed, gentle three processes of constant temperature of middling speed liter: being warming up at a slow speed 300 DEG C with the speed of 2 DEG C/min, be warming up to 800 DEG C with the speed middling speed of 5 DEG C/min afterwards, then constant temperature is incubated 3 hours；Come out of the stove natural cooling, after cooling in flour mill grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): 13 parts of kieselguhr, 6 parts of calcium fluoride, 6 parts of Natrii Sulfas are carried out grinding in flour mill, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats grinding thing afterwards, heating-up temperature 700 DEG C, it is incubated 2 hours, after cooling in flour mill 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 in mixture B loading mechanical mixer, mechanical mixture 0.5 hour, pour polyvinyl alcohol 3.7 parts, sodium acetate 3.7 parts, sodium carbonate 1.4 parts afterwards into, 2.4 parts of Gypsum Fibrosum, sodium silicate 2.6 parts, aluminium powder 1.6 parts, calcium nitrate 1.4 parts, then mechanical mixture 1 hour, obtain reinforcing agent.
Embodiment 2
A kind of preparation method of the cement intensifier that can improve cement products intensity, it is characterised in that:
Described preparation method step is:
Step (1): according to dickite 37 parts, montmorillonite 37 parts, 28 parts of shale, 19 parts of calcite, 18 parts of kieselguhr, 9 parts of calcium fluoride, 8 parts of Natrii Sulfas, polyvinyl alcohol 3.8 parts, sodium acetate 3.8 parts, sodium carbonate 1.6 parts, 3 parts of Gypsum Fibrosum, sodium silicate 2.7 parts, aluminium powder 1.6 parts, 1.6 parts of proportionings of calcium nitrate prepare raw material
Step (2): dickite 37 parts, montmorillonite 37 parts, 28 parts of shale, 19 parts of calcite are carried out grinding in flour mill, rotating speed is 120r/min, grinding 9 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is put in high temperature furnace, carry out temperature control fire according to intensification at a slow speed, gentle three processes of constant temperature of middling speed liter: being warming up at a slow speed 300 DEG C with the speed of 2 DEG C/min, be warming up to 800 DEG C with the speed middling speed of 5 DEG C/min afterwards, then constant temperature is incubated 3 hours；Come out of the stove natural cooling, after cooling in flour mill grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): 18 parts of kieselguhr, 9 parts of calcium fluoride, 8 parts of Natrii Sulfas are carried out grinding in flour mill, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats grinding thing afterwards, heating-up temperature 700 DEG C, it is incubated 2 hours, after cooling in flour mill 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 in mixture B loading mechanical mixer, mechanical mixture 0.5 hour, pour polyvinyl alcohol 3.8 parts, sodium acetate 3.8 parts, sodium carbonate 1.6 parts afterwards into, 3 parts of Gypsum Fibrosum, sodium silicate 2.7 parts, aluminium powder 1.6 parts, calcium nitrate 1.6 parts, then mechanical mixture 1 hour, obtain reinforcing agent.
Claims (4)
1. the preparation method of the cement intensifier that can improve cement products intensity, it is characterised in that:
Described preparation method step is:
Step (1): according to dickite 32 parts, montmorillonite 33 parts, 24 parts of shale, 16 parts of calcite, 13 parts of kieselguhr, 6 parts of calcium fluoride, 6 parts of Natrii Sulfas, polyvinyl alcohol 3.7 parts, sodium acetate 3.7 parts, sodium carbonate 1.4 parts, 2.4 parts of Gypsum Fibrosum, sodium silicate 2.6 parts, aluminium powder 1.6 parts, 1.4 parts of proportionings of calcium nitrate prepare raw material
Step (2): dickite 32 parts, montmorillonite 33 parts, 24 parts of shale, 16 parts of calcite are carried out grinding in flour mill, rotating speed is 120r/min, grinding 9 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is put in high temperature furnace, carry out temperature control fire according to intensification at a slow speed, gentle three processes of constant temperature of middling speed liter: being warming up at a slow speed 300 DEG C with the speed of 2 DEG C/min, be warming up to 800 DEG C with the speed middling speed of 5 DEG C/min afterwards, then constant temperature is incubated 3 hours；Come out of the stove natural cooling, after cooling in flour mill grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): 13 parts of kieselguhr, 6 parts of calcium fluoride, 6 parts of Natrii Sulfas are carried out grinding in flour mill, rotating speed is 100r/min, grinding 3 hours, obtaining grinding composition granule degree size is 0.6-0.8mm, heats grinding thing afterwards, heating-up temperature 700 DEG C, it is incubated 2 hours, after cooling in flour mill 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 in mixture B loading mechanical mixer, mechanical mixture 0.5 hour, pour polyvinyl alcohol 3.7 parts, sodium acetate 3.7 parts, sodium carbonate 1.4 parts afterwards into, 2.4 parts of Gypsum Fibrosum, sodium silicate 2.6 parts, aluminium powder 1.6 parts, calcium nitrate 1.4 parts, then mechanical mixture 1 hour, obtain reinforcing agent.
2. the preparation method of the cement intensifier that can improve cement products intensity, it is characterised in that:
Described preparation method step is:
Step (1): according to dickite 37 parts, montmorillonite 37 parts, 28 parts of shale, 19 parts of calcite, 18 parts of kieselguhr, 9 parts of calcium fluoride, 8 parts of Natrii Sulfas, polyvinyl alcohol 3.8 parts, sodium acetate 3.8 parts, sodium carbonate 1.6 parts, 3 parts of Gypsum Fibrosum, sodium silicate 2.7 parts, aluminium powder 1.6 parts, 1.6 parts of proportionings of calcium nitrate prepare raw material
Step (2): dickite 37 parts, montmorillonite 37 parts, 28 parts of shale, 19 parts of calcite are carried out grinding in flour mill, rotating speed is 120r/min, grinding 9 hours, grinding composition granule degree size is 1.2-1.4mm, afterwards grinding thing is put in high temperature furnace, carry out temperature control fire according to intensification at a slow speed, gentle three processes of constant temperature of middling speed liter: being warming up at a slow speed 300 DEG C with the speed of 2 DEG C/min, be warming up to 800 DEG C with the speed middling speed of 5 DEG C/min afterwards, then constant temperature is incubated 3 hours；Come out of the stove natural cooling, after cooling in flour mill grinding 3 hours again, obtaining mixture A granularity size is 0.8-1mm,
Step (3): 18 parts of kieselguhr, 9 parts of calcium fluoride, 8 parts of Natrii Sulfas are carried out grinding in flour mill, rotating speed is 100r/min, grinding 3 hours, obtaining grinding composition granule degree size is 0.6-0.8mm, heats grinding thing afterwards, heating-up temperature 700 DEG C, it is incubated 2 hours, after cooling in flour mill 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 in mixture B loading mechanical mixer, mechanical mixture 0.5 hour, pour polyvinyl alcohol 3.8 parts, sodium acetate 3.8 parts, sodium carbonate 1.6 parts afterwards into, 3 parts of Gypsum Fibrosum, sodium silicate 2.7 parts, aluminium powder 1.6 parts, calcium nitrate 1.6 parts, then mechanical mixture 1 hour, obtain reinforcing agent.
Can improve the preparation method of the cement intensifier of cement products intensity the most as claimed in claim 1, it is 0.9mm that step (2) obtains mixture A granularity size.
Can improve the preparation method of the cement intensifier of cement products intensity the most as claimed in claim 1, it is 0.4mm that step (3) obtains mixture B granularity size.
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| CN105236789A (en) * | 2015-10-28 | 2016-01-13 | 雷志刚 | Manufacturing method of inorganic reinforcing agent for gypsum products |
| CN105645824A (en) * | 2016-01-19 | 2016-06-08 | 王金奎 | Efficient cement fortifier and preparation method |
| CN105948562A (en) * | 2016-04-30 | 2016-09-21 | 李程 | Additive material for manufacturing cement-base plate |
| CN106477952A (en) * | 2016-09-13 | 2017-03-08 | 广西大学 | A kind of cement intensifier and preparation method thereof |
| CN107899073B (en) * | 2017-12-27 | 2021-03-30 | 北京大学第一医院 | Bone cement, preparation method and application thereof |
| WO2024082203A1 (en) * | 2022-10-20 | 2024-04-25 | 衡阳市银利实业有限公司 | Cement reinforcer and preparation method therefor |
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| CN101696096A (en) * | 2009-10-30 | 2010-04-21 | 南京永能新材料有限公司 | Liquid cement grinding additive |
| CN102173633A (en) * | 2011-03-04 | 2011-09-07 | 攀枝花九鼎建材有限责任公司 | Activator for improving reactivity of fly ash in cement |
| CN102731010A (en) * | 2012-07-25 | 2012-10-17 | 广东省建筑材料研究院 | Reinforced premix mortar moisture-retention thickening agent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101696096A (en) * | 2009-10-30 | 2010-04-21 | 南京永能新材料有限公司 | Liquid cement grinding additive |
| CN102173633A (en) * | 2011-03-04 | 2011-09-07 | 攀枝花九鼎建材有限责任公司 | Activator for improving reactivity of fly ash in cement |
| CN102731010A (en) * | 2012-07-25 | 2012-10-17 | 广东省建筑材料研究院 | Reinforced premix mortar moisture-retention thickening agent and preparation method thereof |
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