CN104773972A - Preparation method of mineral admixture capable of improving strength of Portland cement and taking dickite as main raw material - Google Patents
Preparation method of mineral admixture capable of improving strength of Portland cement and taking dickite as main raw material Download PDFInfo
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- CN104773972A CN104773972A CN201510157046.9A CN201510157046A CN104773972A CN 104773972 A CN104773972 A CN 104773972A CN 201510157046 A CN201510157046 A CN 201510157046A CN 104773972 A CN104773972 A CN 104773972A
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- 229910001649 dickite Inorganic materials 0.000 title claims abstract description 46
- 239000002994 raw material Substances 0.000 title claims abstract description 41
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 35
- 239000011707 mineral Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 239000011398 Portland cement Substances 0.000 title description 2
- -1 shale Inorganic materials 0.000 claims abstract description 27
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000010440 gypsum Substances 0.000 claims abstract description 14
- 229910052602 gypsum Inorganic materials 0.000 claims abstract description 14
- 229910021532 Calcite Inorganic materials 0.000 claims abstract description 13
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 13
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 13
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 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
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001110 calcium chloride Substances 0.000 claims abstract description 13
- 229910001628 calcium chloride 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
- 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
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000000227 grinding Methods 0.000 claims description 54
- 239000000203 mixture Substances 0.000 claims description 42
- 239000000654 additive Substances 0.000 claims description 27
- 230000000996 additive effect Effects 0.000 claims description 27
- 238000001816 cooling Methods 0.000 claims description 18
- 239000004411 aluminium Substances 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- 235000019353 potassium silicate Nutrition 0.000 claims description 12
- 239000000843 powder Substances 0.000 claims description 12
- 229960004249 sodium acetate Drugs 0.000 claims description 12
- 238000010792 warming Methods 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000003469 silicate cement Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000004115 Sodium Silicate Substances 0.000 abstract 1
- 239000010446 mirabilite Substances 0.000 abstract 1
- 229910052911 sodium silicate Inorganic materials 0.000 abstract 1
- 239000004568 cement Substances 0.000 description 17
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 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
- 239000004927 clay Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007493 shaping process Methods 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
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 238000005516 engineering process Methods 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Abstract
The invention discloses a preparation method of a mineral admixture taking dickite as a main raw material. The preparation method is characterized in that a mineral admixture raw material taking dickite as the main raw material comprises the following components: dickite, montmorillonite, shale, calcite, diatomite, calcium fluoride, mirabilite, polyvinyl alcohol, sodium acetate, sodium carbonate, gypsum, sodium silicate, aluminum powder and calcium chloride. The mineral admixture taking dickite as the main raw material, disclosed by the invention, is easily-purchasable in raw material and uncomplicated in production process, is simple and easy to produce products, is convenient in a use process, can also be uniformly used, ensures that the production stability can be met, and also ensures that the production efficiency can be improved and the cost can be saved.
Description
Technical field
The present invention relates to a kind of take dickite as the preparation method of the mineral additive of main raw material, belongs to building material manufacture field.
Background technology
As everyone knows, cement is one of main products of building cementing material, cement is the portland cement clinker made after being mixed by the mineral raw material such as Wingdale, fire coal, iron powder and clay, then in grog, adds gypsum make through levigate.Along with the fast development of China's economy, cement consumption is being multiplied, and therefore, the mineral raw material consumptions such as Wingdale, fire coal, iron powder and clay increase day by day, and Mineral resources constantly reduce.At present, guaranteeing that, under strength of cement prerequisite, cement production plants man suitably mixes some mixtures by technique means; thus reach saving Mineral resources; reduce cement cost, the object of protection of the environment, wherein the slag, ashes, flyash etc. of mixture mainly some cheapnesss.But by the restriction of strength of cement standard-required, said mixture material mixes consumption generally should more than 20%, otherwise strength of cement can obviously reduce.While how by technique means, in cement, increase mixture mixes consumption further, strength of cement not only can not decline, and can increase on the contrary, thus reduce cement cost further, and save energy is the new problem that cement industry faces.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide that a kind of that can improve silicate cement intensity take dickite as the preparation method of the mineral additive of main raw material.
For achieving the above object, the technical solution used in the present invention is as follows:
That can improve silicate cement intensity take dickite as the preparation method of the mineral additive of main raw material, it is characterized in that:
Described preparation method's step is:
Step (1): according to dickite 27 parts, montmorillonite 22 parts, 43 parts, shale, 29 parts, calcite, 9 parts, diatomite, 11 parts, Calcium Fluoride (Fluorspan), 14 parts, saltcake, polyvinyl alcohol 3.6 parts, sodium-acetate 3.8 parts, 1.4 parts, sodium carbonate, 2.7 parts, gypsum, water glass 2.9 parts, aluminium powder 1.1 parts, calcium chloride 1.6 parts of proportionings prepare raw material
Step (2): dickite 27 parts, montmorillonite 22 parts, 43 parts, shale, 29 parts, calcite 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, carry out temperature control according to intensification at a slow speed, middling speed intensification and constant temperature three processes to fire: be 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; 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): 9 parts, diatomite, 11 parts, Calcium Fluoride (Fluorspan), 14 parts, saltcake are carried out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats afterwards to grinding thing, Heating temperature 700 DEG C, be 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, sodium-acetate 3.8 parts, 1.4 parts, sodium carbonate afterwards into, 2.7 parts, gypsum, water glass 2.9 parts, aluminium powder 1.1 parts, 1.6 parts, calcium chloride, mechanically mixing 1 hour again, obtaining take dickite as the mineral additive of main raw material.
That can improve silicate cement intensity take dickite as the preparation method of the mineral additive of main raw material, it is characterized in that:
Described preparation method's step is:
Step (1): according to dickite 29 parts, montmorillonite 21 part, 42 parts, shale, 28 parts, calcite, 9 parts, diatomite, 14 parts, Calcium Fluoride (Fluorspan), 12 parts, saltcake, polyvinyl alcohol 3.6 parts, sodium-acetate 3.8 parts, 1.7 parts, sodium carbonate, 2.6 parts, gypsum, water glass 2.7 parts, aluminium powder 1.7 parts, calcium chloride 1.2 parts of proportionings prepare raw material
Step (2): dickite 29 parts, montmorillonite 21 part, 42 parts, shale, 28 parts, calcite 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, carry out temperature control according to intensification at a slow speed, middling speed intensification and constant temperature three processes to fire: be 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; 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): 9 parts, diatomite, 14 parts, Calcium Fluoride (Fluorspan), 12 parts, saltcake are carried out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats afterwards to grinding thing, Heating temperature 700 DEG C, be 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, sodium-acetate 3.8 parts, 1.7 parts, sodium carbonate afterwards into, 2.6 parts, gypsum, water glass 2.7 parts, aluminium powder 1.7 parts, 1.2 parts, calcium chloride, mechanically mixing 1 hour again, obtaining take dickite as the mineral additive of main raw material.
The preparation method of described with dickite the is mineral additive of main raw material, it is 0.9mm that step (2) obtains mixture A granularity size.
The preparation method of described with dickite the is mineral additive of main raw material, it is 0.4mm that step (3) obtains mixture B granularity size.
The preparation method of described with dickite the is mineral additive of main raw material, diatomite composition is (weight): 80.2%SiO2,5.7%Al2O3,0.68%Fe2O3,1.1%CaO, 1.62%MgO, 10.7% loss on ignition.
The preparation method of described with dickite the is mineral additive of main raw material, 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 base sample: adopt cement 300g, sand 750g, water consumption 120ml, 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 288g, that prepare take dickite as the mineral additive 12g of main raw material, and sand 750g, water consumption 120ml, 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 dickite be the mineral additive of main raw material to substitute cement component be 4 ﹪ time, strength of cement is after testing: 3 days ultimate compression strength is 15.7MPa, 28 days ultimate compression strength is 40.1MPa, with under similarity condition not in addition dickite be compared with the strength of cement of the mineral additive of main raw material, within 3 days, ultimate compression strength improves 3.7MPa, and within 28 days, ultimate compression strength improves 5.7MPa.Of the present invention is that the mineral additive starting material of main raw material are easily purchased with dickite, 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 dickite as a preparation method for the mineral additive of main raw material, it is characterized in that:
Described preparation method's step is:
Step (1): according to dickite 27 parts, montmorillonite 22 parts, 43 parts, shale, 29 parts, calcite, 9 parts, diatomite, 11 parts, Calcium Fluoride (Fluorspan), 14 parts, saltcake, polyvinyl alcohol 3.6 parts, sodium-acetate 3.8 parts, 1.4 parts, sodium carbonate, 2.7 parts, gypsum, water glass 2.9 parts, aluminium powder 1.1 parts, calcium chloride 1.6 parts of proportionings prepare raw material
Step (2): dickite 27 parts, montmorillonite 22 parts, 43 parts, shale, 29 parts, calcite 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, carry out temperature control according to intensification at a slow speed, middling speed intensification and constant temperature three processes to fire: be 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; 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): 9 parts, diatomite, 11 parts, Calcium Fluoride (Fluorspan), 14 parts, saltcake are carried out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats afterwards to grinding thing, Heating temperature 700 DEG C, be 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, sodium-acetate 3.8 parts, 1.4 parts, sodium carbonate afterwards into, 2.7 parts, gypsum, water glass 2.9 parts, aluminium powder 1.1 parts, 1.6 parts, calcium chloride, mechanically mixing 1 hour again, obtaining take dickite as the mineral additive of main raw material.
Embodiment 2
Take dickite as a preparation method for the mineral additive of main raw material, it is characterized in that:
Described preparation method's step is:
Step (1): according to dickite 29 parts, montmorillonite 21 part, 42 parts, shale, 28 parts, calcite, 9 parts, diatomite, 14 parts, Calcium Fluoride (Fluorspan), 12 parts, saltcake, polyvinyl alcohol 3.6 parts, sodium-acetate 3.8 parts, 1.7 parts, sodium carbonate, 2.6 parts, gypsum, water glass 2.7 parts, aluminium powder 1.7 parts, calcium chloride 1.2 parts of proportionings prepare raw material
Step (2): dickite 29 parts, montmorillonite 21 part, 42 parts, shale, 28 parts, calcite 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, carry out temperature control according to intensification at a slow speed, middling speed intensification and constant temperature three processes to fire: be 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; 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): 9 parts, diatomite, 14 parts, Calcium Fluoride (Fluorspan), 12 parts, saltcake are carried out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats afterwards to grinding thing, Heating temperature 700 DEG C, be 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, sodium-acetate 3.8 parts, 1.7 parts, sodium carbonate afterwards into, 2.6 parts, gypsum, water glass 2.7 parts, aluminium powder 1.7 parts, 1.2 parts, calcium chloride, mechanically mixing 1 hour again, obtaining take dickite as the mineral additive of main raw material.
Claims (6)
1. that can improve silicate cement intensity take dickite as the preparation method of the mineral additive of main raw material, it is characterized in that:
Described preparation method's step is:
Step (1): according to dickite 27 parts, montmorillonite 22 parts, 43 parts, shale, 29 parts, calcite, 9 parts, diatomite, 11 parts, Calcium Fluoride (Fluorspan), 14 parts, saltcake, polyvinyl alcohol 3.6 parts, sodium-acetate 3.8 parts, 1.4 parts, sodium carbonate, 2.7 parts, gypsum, water glass 2.9 parts, aluminium powder 1.1 parts, calcium chloride 1.6 parts of proportionings prepare raw material
Step (2): dickite 27 parts, montmorillonite 22 parts, 43 parts, shale, 29 parts, calcite 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, carry out temperature control according to intensification at a slow speed, middling speed intensification and constant temperature three processes to fire: be 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; 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): 9 parts, diatomite, 11 parts, Calcium Fluoride (Fluorspan), 14 parts, saltcake are carried out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats afterwards to grinding thing, Heating temperature 700 DEG C, be 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, sodium-acetate 3.8 parts, 1.4 parts, sodium carbonate afterwards into, 2.7 parts, gypsum, water glass 2.9 parts, aluminium powder 1.1 parts, 1.6 parts, calcium chloride, mechanically mixing 1 hour again, obtaining take dickite as the mineral additive of main raw material.
2. that can improve silicate cement intensity take dickite as the preparation method of the mineral additive of main raw material, it is characterized in that:
Described preparation method's step is:
Step (1): according to dickite 29 parts, montmorillonite 21 part, 42 parts, shale, 28 parts, calcite, 9 parts, diatomite, 14 parts, Calcium Fluoride (Fluorspan), 12 parts, saltcake, polyvinyl alcohol 3.6 parts, sodium-acetate 3.8 parts, 1.7 parts, sodium carbonate, 2.6 parts, gypsum, water glass 2.7 parts, aluminium powder 1.7 parts, calcium chloride 1.2 parts of proportionings prepare raw material
Step (2): dickite 29 parts, montmorillonite 21 part, 42 parts, shale, 28 parts, calcite 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, carry out temperature control according to intensification at a slow speed, middling speed intensification and constant temperature three processes to fire: be 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; 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): 9 parts, diatomite, 14 parts, Calcium Fluoride (Fluorspan), 12 parts, saltcake are carried out grinding in pulverizer, rotating speed is 100r/min, grinding 3 hours, obtaining compound particles granularity size is 0.6-0.8mm, heats afterwards to grinding thing, Heating temperature 700 DEG C, be 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, sodium-acetate 3.8 parts, 1.7 parts, sodium carbonate afterwards into, 2.6 parts, gypsum, water glass 2.7 parts, aluminium powder 1.7 parts, 1.2 parts, calcium chloride, mechanically mixing 1 hour again, obtaining take dickite as the mineral additive of main raw material.
3. take dickite as the preparation method of the mineral additive of main raw material as described in claim 1-2, and it is 0.9mm that step (2) obtains mixture A granularity size.
4. take dickite as the preparation method of the mineral additive of main raw material as described in claim 1-3, and it is 0.4mm that step (3) obtains mixture B granularity size.
5. take dickite as the preparation method of the mineral additive of main raw material as described in claim 1-4, and diatomite composition is (weight): 80.2%SiO2,5.7%Al2O3,0.68%Fe2O3,1.1%CaO, 1.62%MgO, 10.7% loss on ignition.
6. take dickite as the preparation method of the mineral additive of main raw material as described in claim 1-5, and 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510157046.9A CN104773972B (en) | 2014-02-23 | 2014-02-23 | A kind of preparation method of the mineral additive being primary raw material with dickite that can improve portland cement intensity |
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| CN201410062325.2A CN103880320B (en) | 2014-02-23 | 2014-02-23 | A kind of take dickite as the preparation method of the mineral additive of main raw material |
| CN201510157046.9A CN104773972B (en) | 2014-02-23 | 2014-02-23 | A kind of preparation method of the mineral additive being primary raw material with dickite that can improve portland cement intensity |
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| CN201410062325.2A Expired - Fee Related CN103880320B (en) | 2014-02-23 | 2014-02-23 | A kind of take dickite as the preparation method of the mineral additive of main raw material |
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| JP4056696B2 (en) * | 2000-05-16 | 2008-03-05 | 太平洋セメント株式会社 | Cement slurry |
| CN101696096B (en) * | 2009-10-30 | 2012-07-04 | 南京永能新材料有限公司 | Liquid cement grinding additive |
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2014
- 2014-02-23 CN CN201510157046.9A patent/CN104773972B/en not_active Expired - Fee Related
- 2014-02-23 CN CN201410062325.2A patent/CN103880320B/en not_active Expired - Fee Related
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| US6626243B1 (en) * | 1999-08-24 | 2003-09-30 | Bj Services Company | Methods and compositions for use in cementing in cold environments |
| CN1394823A (en) * | 2002-08-09 | 2003-02-05 | 孙国庆 | Modified phosphogypsum and its preparation |
| CN101792296A (en) * | 2010-02-04 | 2010-08-04 | 同济大学 | Concrete erosion-resistant agent based on ultrafine slag powder and use method thereof |
| CN102153903A (en) * | 2011-01-18 | 2011-08-17 | 广西民族大学 | Rust resisting pigment filler of dickite and preparation method thereof |
| CN102745933A (en) * | 2012-07-23 | 2012-10-24 | 宁波新盛建材开发有限公司 | Anti-crack expanding agent and preparation method thereof |
Also Published As
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| CN103880320A (en) | 2014-06-25 |
| CN103880320B (en) | 2015-08-26 |
| CN104773972B (en) | 2016-07-06 |
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