CN106746798B - A kind of preparation method of high strength cement - Google Patents
A kind of preparation method of high strength cement Download PDFInfo
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- CN106746798B CN106746798B CN201611097770.8A CN201611097770A CN106746798B CN 106746798 B CN106746798 B CN 106746798B CN 201611097770 A CN201611097770 A CN 201611097770A CN 106746798 B CN106746798 B CN 106746798B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- C04B7/26—Cements from oil shales, residues or waste other than slag from raw materials containing flue dust, i.e. fly ash
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
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- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
A kind of preparation method of high strength cement, which is characterized in that include the following steps：Later will（Parts by weight）10 15 parts of shale, 5 10 parts of Fluorspar Powder, 0.1 0.2 parts of 23 parts of Titanium slag and cement intensifier are mixed to get mixing material, and grinding in ball mill is added in the clinker and mixing material later；Grinding time 30 40 minutes, for the control of grinding temperature at 30 35 DEG C, rotating speed is 150 170r/min, clinker and mixing material mass ratio 1:0.3 0.5, grinding makes 450 500m of its specific surface area2/ kg finally obtains high-strength cement.The cement intensifier of the present invention reduces particle surface energy in absorption of the material in grinding process on particle reduces the intensity and hardness of particle, promotes the generation and expansion of crackle.By adjusting the surface electrical behavior of the mobility and particle of cement material, the viscosity of cement material is reduced, the dispersion of particle is promoted, to improve the flowability of cement material.
Description
Technical field
The present invention relates to a kind of preparation method of high strength cement, belongs to cement technology field.
Background technology
Cement is powdered hydraulicity inorganic coagulation material, after suitable quantity of water is added, can become plasticity slurry, can be in air
Middle hardening, and can harden in water, and can be cemented together securely by materials such as sand, stones.For a long time, it is as a kind of heavy
The cementitious material wanted is widely used in the engineerings such as civil construction, water conservancy, national defence.After existing finished cement generally existing solidification
Intensity is low, and cement needs additional dispensing to improve intensity when in use, to meet specific construction demand；Powder in process of production
Mill and calcination time are long, greatly improve manufacture of cement cost, meanwhile, it is be easy to cause environmental pollution, the energy saving of country can not be adapted to
Emission reduction policy.
Invention content
The technical problem to be solved in the present invention is to provide a kind of bridge prefabricated bridge and its construction technology,
A kind of preparation method of high strength cement, which is characterized in that include the following steps：
Prepare clinker：Raw material includes（Parts by weight）：50-60 parts of lime stone, 30-40 parts of flyash, pyrite slag 5-
10 parts, 5-7 parts of fluorgypsum, 2-3 parts of bauxite, 1-2 parts of gangue, 1-2 parts of premixings of vanadium slag are formed uniformly raw material, and raw material are in life
It is mixed and finely ground in material mill, thin raw material is made；Thin raw material obtained are warming up to 900-1000 DEG C first, 50-60 DEG C/minute of heating rate
Clock is calcined 30 minutes, raises the temperature to 1150-1250 DEG C later, and 20-30 DEG C/min of heating rate is calcined 10 minutes, object
To get to clinker after material is cooling,
Cement intensifier is prepared, it will（Parts by weight）33-37 parts of polyalcohol amine, 15-18 parts of maleic anhydride and allyl polyether
15-20 parts of progress heating water baths, 60-65 DEG C of heating temperature after keeping the temperature 5-7 minutes, are added 5-10 parts of butyl titanate, stir 3-
It 5 minutes, is added in reaction kettle, under the conditions of temperature is 40-45 DEG C, 0.4- is gradually boosted to 20-30kPa/min rates
0.6MPa, pressurize handle 10-12min, are depressurized to 0.2-0.3MPa later, after pressurize handles 4-6min, pressure release to normal pressure；Later
It is that 3% sodium hydroxide solution adjusts pH to 8.5-8.7 that mass fraction, which is added dropwise, and 3-5 parts of 5-8 parts of molasses and sodium tripolyphosphate is added, in
Temperature is 50-60 DEG C, and under the conditions of rotating speed is 80~100r/min, constant temperature stirs 20-25min；Sodium thiosulfate 7-8 is added later
2-3 parts of part and calcium chloride, stirring to whole dissolvings；Adjust pH to 8.1-8.3, be eventually adding 2-3 parts xanthans and 1-2 parts
Tween-80, under the conditions of 40-50 DEG C of rotating speed is 60~80r/min, constant temperature stirs 10min, stands 2-3h afterwards, obtains cement increasing
Strong agent,
Later will（Parts by weight）10-15 parts of shale, 5-10 parts of Fluorspar Powder, 2-3 parts of Titanium slag and cement intensifier 0.1-0.2
Part is mixed to get mixing material, and grinding in ball mill is added in the clinker and mixing material later；30-40 points of grinding time
Clock, the control of grinding temperature is at 30-35 DEG C, rotating speed 150-170r/min, clinker and mixing material mass ratio 1:0.3-
0.5, grinding makes its specific surface area 450-500m2/ kg finally obtains high-strength cement.
A kind of preparation method of high strength cement, the content of each component is in the clinker：Silicic acid three
Calcium 10-20%, dicalcium silicate 30-35%, sulphur calcium silicates 18-24%, calcium sulphoaluminate 10-12%, tetra calcium aluminoferrite 20-25% dissociate
Calcium oxide is less than 2%.
A kind of preparation method of high strength cement, prepares clinker：Raw material includes：55 parts of lime stone, fine coal
35 parts of ash, 7 parts of pyrite slag, 6 parts of fluorgypsum, 2.5 parts of bauxite, 1.5 parts of gangue, 1.5 parts of premixings of vanadium slag are formed uniformly
Raw material.
A kind of preparation method of high strength cement, prepares clinker：Raw material includes：50 parts of lime stone, fine coal
30 parts of ash, 5 parts of pyrite slag, 5 parts of fluorgypsum, 2 parts of bauxite, 1 part of gangue, 1 part of premixing of vanadium slag are formed uniformly raw material.
A kind of preparation method of high strength cement, clinker and mixing material mass ratio 1:0.4.
A kind of preparation method of high strength cement, clinker and mixing material mass ratio 1:0.35.
A kind of preparation method of high strength cement, clinker and mixing material mass ratio 1:0.45.
A kind of preparation method of high strength cement, is added in reaction kettle, under the conditions of temperature is 40 DEG C, with
20kPa/min rates gradually boost to 0.6MPa, and pressurize handles 12min, are depressurized to 0.25MPa later, and pressurize handles 4-6min
Afterwards, pressure release is to normal pressure.
A kind of preparation method of high strength cement, grinding make its specific surface area 460-480m2/kg。
The preparation method of a kind of high strength cement, by 13 parts of shale, 7 parts of Fluorspar Powder, 2.5 parts of Titanium slag and cement
0.15 part of reinforcing agent is mixed to get mixing material.
A kind of high strength cement, which is characterized in that preparation method includes the following steps：
Prepare clinker：Raw material includes（Parts by weight）：50-60 parts of lime stone, 30-40 parts of flyash, pyrite slag 5-
10 parts, 5-7 parts of fluorgypsum, 2-3 parts of bauxite, 1-2 parts of gangue, 1-2 parts of premixings of vanadium slag are formed uniformly raw material, and raw material are in life
It is mixed and finely ground in material mill, thin raw material is made；Thin raw material obtained are warming up to 900-1000 DEG C first, 50-60 DEG C/minute of heating rate
Clock is calcined 30 minutes, raises the temperature to 1150-1250 DEG C later, and 20-30 DEG C/min of heating rate is calcined 10 minutes, object
To get to clinker after material is cooling,
Cement intensifier is prepared, it will（Parts by weight）33-37 parts of polyalcohol amine, 15-18 parts of maleic anhydride and allyl polyether
15-20 parts of progress heating water baths, 60-65 DEG C of heating temperature after keeping the temperature 5-7 minutes, are added 5-10 parts of butyl titanate, stir 3-
It 5 minutes, is added in reaction kettle, under the conditions of temperature is 40-45 DEG C, 0.4- is gradually boosted to 20-30kPa/min rates
0.6MPa, pressurize handle 10-12min, are depressurized to 0.2-0.3MPa later, after pressurize handles 4-6min, pressure release to normal pressure；Later
It is that 3% sodium hydroxide solution adjusts pH to 8.5-8.7 that mass fraction, which is added dropwise, and 3-5 parts of 5-8 parts of molasses and sodium tripolyphosphate is added, in
Temperature is 50-60 DEG C, and under the conditions of rotating speed is 80~100r/min, constant temperature stirs 20-25min；Sodium thiosulfate 7-8 is added later
2-3 parts of part and calcium chloride, stirring to whole dissolvings；Adjust pH to 8.1-8.3, be eventually adding 2-3 parts xanthans and 1-2 parts
Tween-80, under the conditions of 40-50 DEG C of rotating speed is 60~80r/min, constant temperature stirs 10min, stands 2-3h afterwards, obtains cement increasing
Strong agent,
Later will（Parts by weight）10-15 parts of shale, 5-10 parts of Fluorspar Powder, 2-3 parts of Titanium slag and cement intensifier 0.1-0.2
Part is mixed to get mixing material, and grinding in ball mill is added in the clinker and mixing material later；30-40 points of grinding time
Clock, the control of grinding temperature is at 30-35 DEG C, rotating speed 150-170r/min, clinker and mixing material mass ratio 1:0.3-
0.5, grinding makes its specific surface area 450-500m2/kg finally obtain high-strength cement.
The cement intensifier of the present invention reduces particle surface energy drop in absorption of the material in grinding process on particle
The intensity and hardness of low particle, promote the generation and expansion of crackle.By adjusting the mobility of cement material and the surface electricity of particle
Property, the viscosity of cement material is reduced, the dispersion of particle is promoted, to improve the flowability of cement material.The present invention uses stone
Lime stone, flyash, pyrite slag, fluorgypsum, bauxite, gangue, vanadium slag are that raw material makes clinker more by classification calcining
Uniformly, it is conducive to some industrial residues, achievees the effect that environmental protection and energy saving.Compared with prior art, the present invention is by clinker, page
Rock, Fluorspar Powder and Titanium slag efficient combination, being prepared for the presetting period significantly extends, and later strength significantly improves.Its initial set/
Final setting time reaches 290-300/490-498min respectively, and 14 days 3 days and 28 days resistance to compression/flexural strengths respectively reach 22.1-23.4/
4.9-5.3MPa, 38.4-39.5/6.4-7.1MPa, 52.4-54.2/9.2-9.5MPa, and compare No. 425 water of the prior art
Initial set/final setting time of mud is 210/310min, and 14 days 3 days and 28 days resistance to compression/flexural strengths are respectively 17.1/3.7MPa,
33.6/5.8MPa, the cement of 43.0/7.2MPa, compared with the prior art No. 425 cement, initial set, final setting time significantly extend,
Resistance to compression/flexural strength also significantly improves.
Specific implementation mode
Embodiment 1
A kind of preparation method of high strength cement, which is characterized in that include the following steps：
Prepare clinker：Raw material includes（Parts by weight）：50 parts of lime stone, 30 parts of flyash, 10 parts of pyrite slag, fluorite
7 parts of cream, 2 parts of bauxite, 1 part of gangue, 1 part of premixing of vanadium slag are formed uniformly raw material, and raw material are mixed and finely ground in raw mill, system
Obtain thin raw material；Thin raw material obtained are warming up to 900-1000 DEG C first, and 50-60 DEG C/min of heating rate is calcined 30 minutes, it
After raise the temperature to 1150-1250 DEG C, 20-30 DEG C/min of heating rate is calcined 10 minutes, to get to water after material cooling
Mud clinker,
Cement intensifier is prepared, it will（Parts by weight）20 parts of 33 parts of polyalcohol amine, 18 parts of maleic anhydride and allyl polyether into
Row heating water bath, 60-65 DEG C of heating temperature after keeping the temperature 5-7 minutes, are added 5 parts of butyl titanate, stir 3-5 minutes, be added to
In reaction kettle, under the conditions of temperature is 40-45 DEG C, 0.4-0.6MPa is gradually boosted to 20-30kPa/min rates, at pressurize
10-12min is managed, is depressurized to 0.2-0.3MPa later, after pressurize handles 4-6min, pressure release to normal pressure；Mass fraction is added dropwise later
PH to 8.5-8.7 is adjusted for 3% sodium hydroxide solution, 5 parts of 8 parts of molasses and sodium tripolyphosphate is added, is 50-60 DEG C in temperature, turns
Under the conditions of speed is 80~100r/min, constant temperature stirs 20-25min；3 parts of 7 parts of sodium thiosulfate and calcium chloride, stirring are added later
To whole dissolvings；PH to 8.1-8.3 is adjusted, 2 parts of xanthans and 2 parts of Tween-80 is eventually adding, is in 40-50 DEG C of rotating speed
Under the conditions of 60~80r/min, constant temperature stirs 10min, stands 2-3h afterwards, obtains cement intensifier,
Later will（Parts by weight）10 parts of shale, 10 parts of Fluorspar Powder, 0.2 part of 3 parts of Titanium slag and cement intensifier are mixed to get
Later grinding in ball mill is added in the clinker and mixing material by mixing material；Grinding time 30-40 minutes, grinding temperature
Control is at 30-35 DEG C, rotating speed 150-170r/min, clinker and mixing material mass ratio 1:0.3, grinding makes its specific surface
Product 450-500m2/ kg finally obtains high-strength cement.
A kind of high strength cement, which is characterized in that preparation method includes the following steps：
Prepare clinker：Raw material includes（Parts by weight）：50 parts of lime stone, 30 parts of flyash, 10 parts of pyrite slag, fluorite
7 parts of cream, 2 parts of bauxite, 1 part of gangue, 1 part of premixing of vanadium slag are formed uniformly raw material, and raw material are mixed and finely ground in raw mill, system
Obtain thin raw material；Thin raw material obtained are warming up to 900-1000 DEG C first, and 50-60 DEG C/min of heating rate is calcined 30 minutes, it
After raise the temperature to 1150-1250 DEG C, 20-30 DEG C/min of heating rate is calcined 10 minutes, to get to water after material cooling
Mud clinker,
Cement intensifier is prepared, it will（Parts by weight）20 parts of 33 parts of polyalcohol amine, 18 parts of maleic anhydride and allyl polyether into
Row heating water bath, 60-65 DEG C of heating temperature after keeping the temperature 5-7 minutes, are added 5 parts of butyl titanate, stir 3-5 minutes, be added to
In reaction kettle, under the conditions of temperature is 40-45 DEG C, 0.4-0.6MPa is gradually boosted to 20-30kPa/min rates, at pressurize
10-12min is managed, is depressurized to 0.2-0.3MPa later, after pressurize handles 4-6min, pressure release to normal pressure；Mass fraction is added dropwise later
PH to 8.5-8.7 is adjusted for 3% sodium hydroxide solution, 5 parts of 8 parts of molasses and sodium tripolyphosphate is added, is 50-60 DEG C in temperature, turns
Under the conditions of speed is 80~100r/min, constant temperature stirs 20-25min；3 parts of 7 parts of sodium thiosulfate and calcium chloride, stirring are added later
To whole dissolvings；PH to 8.1-8.3 is adjusted, 2 parts of xanthans and 2 parts of Tween-80 is eventually adding, is in 40-50 DEG C of rotating speed
Under the conditions of 60~80r/min, constant temperature stirs 10min, stands 2-3h afterwards, obtains cement intensifier,
Later will（Parts by weight）10 parts of shale, 10 parts of Fluorspar Powder, 0.2 part of 3 parts of Titanium slag and cement intensifier are mixed to get
Later grinding in ball mill is added in the clinker and mixing material by mixing material；Grinding time 30-40 minutes, grinding temperature
Control is at 30-35 DEG C, rotating speed 150-170r/min, clinker and mixing material mass ratio 1:0.3, grinding makes its specific surface
Product 450-500m2/ kg finally obtains high-strength cement.
Cement initial set/final setting time is 293/497min, and 14 days 3 days and 28 days resistance to compression/flexural strengths respectively reach 23.0/
4.9MPa, 38.9/6.6MPa, 53.2/9.5MPa.
Embodiment 2
A kind of preparation method of high strength cement, which is characterized in that include the following steps：
Prepare clinker：Raw material includes（Parts by weight）：60 parts of lime stone, 30 parts of flyash, 10 parts of pyrite slag, fluorite
7 parts of cream, 3 parts of bauxite, 2 parts of gangue, 2 parts of premixings of vanadium slag are formed uniformly raw material, and raw material are mixed and finely ground in raw mill, system
Obtain thin raw material；Thin raw material obtained are warming up to 900-1000 DEG C first, and 50-60 DEG C/min of heating rate is calcined 30 minutes, it
After raise the temperature to 1150-1250 DEG C, 20-30 DEG C/min of heating rate is calcined 10 minutes, to get to water after material cooling
Mud clinker,
Cement intensifier is prepared, it will（Parts by weight）20 parts of 37 parts of polyalcohol amine, 15 parts of maleic anhydride and allyl polyether into
Row heating water bath, 60-65 DEG C of heating temperature after keeping the temperature 5-7 minutes, are added 10 parts of butyl titanate, stir 3-5 minutes, be added
Into reaction kettle, under the conditions of temperature is 40-45 DEG C, 0.4-0.6MPa, pressurize are gradually boosted to 20-30kPa/min rates
10-12min is handled, is depressurized to 0.2-0.3MPa later, after pressurize handles 4-6min, pressure release to normal pressure；Quality point is added dropwise later
Number is that 3% sodium hydroxide solution adjusts pH to 8.5-8.7, and 3 parts of 8 parts of molasses and sodium tripolyphosphate is added, in temperature be 50-60 DEG C,
Under the conditions of rotating speed is 80~100r/min, constant temperature stirs 20-25min；2 parts of 8 parts of sodium thiosulfate and calcium chloride are added later, stirs
It mixes to whole dissolvings；PH to 8.1-8.3 is adjusted, 2 parts of xanthans and 2 parts of Tween-80 are eventually adding, in 40-50 DEG C of rotating speed
Under the conditions of 60~80r/min, constant temperature stirs 10min, stands 2-3h afterwards, obtains cement intensifier,
Later will（Parts by weight）0.2 part of 15 parts of shale, 5 parts of Fluorspar Powder, 2 parts of Titanium slag and cement intensifier are mixed to get mixed
Material is closed, grinding in ball mill is added in the clinker and mixing material later；Grinding time 30-40 minutes, grinding temperature control
System is at 30-35 DEG C, rotating speed 150-170r/min, clinker and mixing material mass ratio 1:0.38, grinding makes its specific surface
Product 450-500m2/ kg finally obtains high-strength cement.
A kind of high strength cement, which is characterized in that preparation method includes the following steps：
Prepare clinker：Raw material includes（Parts by weight）：60 parts of lime stone, 30 parts of flyash, 10 parts of pyrite slag, fluorite
7 parts of cream, 3 parts of bauxite, 2 parts of gangue, 2 parts of premixings of vanadium slag are formed uniformly raw material, and raw material are mixed and finely ground in raw mill, system
Obtain thin raw material；Thin raw material obtained are warming up to 900-1000 DEG C first, and 50-60 DEG C/min of heating rate is calcined 30 minutes, it
After raise the temperature to 1150-1250 DEG C, 20-30 DEG C/min of heating rate is calcined 10 minutes, to get to water after material cooling
Mud clinker,
Cement intensifier is prepared, it will（Parts by weight）20 parts of 37 parts of polyalcohol amine, 15 parts of maleic anhydride and allyl polyether into
Row heating water bath, 60-65 DEG C of heating temperature after keeping the temperature 5-7 minutes, are added 10 parts of butyl titanate, stir 3-5 minutes, be added
Into reaction kettle, under the conditions of temperature is 40-45 DEG C, 0.4-0.6MPa, pressurize are gradually boosted to 20-30kPa/min rates
10-12min is handled, is depressurized to 0.2-0.3MPa later, after pressurize handles 4-6min, pressure release to normal pressure；Quality point is added dropwise later
Number is that 3% sodium hydroxide solution adjusts pH to 8.5-8.7, and 3 parts of 8 parts of molasses and sodium tripolyphosphate is added, in temperature be 50-60 DEG C,
Under the conditions of rotating speed is 80~100r/min, constant temperature stirs 20-25min；2 parts of 8 parts of sodium thiosulfate and calcium chloride are added later, stirs
It mixes to whole dissolvings；PH to 8.1-8.3 is adjusted, 2 parts of xanthans and 2 parts of Tween-80 are eventually adding, in 40-50 DEG C of rotating speed
Under the conditions of 60~80r/min, constant temperature stirs 10min, stands 2-3h afterwards, obtains cement intensifier,
Later will（Parts by weight）0.2 part of 15 parts of shale, 5 parts of Fluorspar Powder, 2 parts of Titanium slag and cement intensifier are mixed to get mixed
Material is closed, grinding in ball mill is added in the clinker and mixing material later；Grinding time 30-40 minutes, grinding temperature control
System is at 30-35 DEG C, rotating speed 150-170r/min, clinker and mixing material mass ratio 1:0.38, grinding makes its specific surface
Product 450-500m2/ kg finally obtains high-strength cement.
Cement initial set/final setting time is 300/495min, and 14 days 3 days and 28 days resistance to compression/flexural strengths respectively reach 23.4/
5.2MPa, 38.9/6.4MPa, 54.2/9.5MPa.
Embodiment 3
A kind of preparation method of high strength cement, which is characterized in that include the following steps：
Prepare clinker：Raw material includes（Parts by weight）：52 parts of lime stone, 33 parts of flyash, 6 parts of pyrite slag, fluorite
5.3 parts of cream, 2.4 parts of bauxite, 1.9 parts of gangue, 1.7 parts of premixings of vanadium slag are formed uniformly raw material, and raw material mix in raw mill
Close levigate, obtained thin raw material；Thin raw material obtained are warming up to 900-1000 DEG C first, and 50-60 DEG C/min of heating rate is calcined
30 minutes, 1150-1250 DEG C is raised the temperature to later, and 20-30 DEG C/min of heating rate is calcined 10 minutes, material cooling
Afterwards to get to clinker,
Cement intensifier is prepared, it will（Parts by weight）17 parts of 34 parts of polyalcohol amine, 16 parts of maleic anhydride and allyl polyether into
Row heating water bath, 60-65 DEG C of heating temperature after keeping the temperature 5-7 minutes, are added 6 parts of butyl titanate, stir 3-5 minutes, be added to
In reaction kettle, under the conditions of temperature is 40-45 DEG C, 0.4-0.6MPa is gradually boosted to 20-30kPa/min rates, at pressurize
10-12min is managed, is depressurized to 0.2-0.3MPa later, after pressurize handles 4-6min, pressure release to normal pressure；Mass fraction is added dropwise later
Adjust pH to 8.5-8.7 for 3% sodium hydroxide solution, 3.4 parts of 6 parts of molasses and sodium tripolyphosphate be added, in temperature be 50-60 DEG C,
Under the conditions of rotating speed is 80~100r/min, constant temperature stirs 20-25min；7.3 parts of sodium thiosulfate and calcium chloride 2.7 are added later
Part, stirring to whole dissolvings；PH to 8.1-8.3 is adjusted, 2.2 parts of xanthans and 1.7 parts of Tween-80 are eventually adding, in 40-
Under the conditions of 50 DEG C of rotating speeds are 60~80r/min, constant temperature stirs 10min, stands 2-3h afterwards, obtains cement intensifier,
Later will（Parts by weight）11 parts of shale, 9 parts of Fluorspar Powder, 0.16 part of 2.8 parts of Titanium slag and cement intensifier mix
To mixing material, grinding in ball mill is added in the clinker and mixing material later；Grinding time 30-40 minutes, grinding temperature
Degree control is at 30-35 DEG C, rotating speed 150-170r/min, clinker and mixing material mass ratio 1:0.4, grinding makes it compare table
Area 450-500m2/ kg finally obtains high-strength cement.
A kind of high strength cement, which is characterized in that preparation method includes the following steps：
Prepare clinker：Raw material includes（Parts by weight）：52 parts of lime stone, 33 parts of flyash, 6 parts of pyrite slag, fluorite
5.3 parts of cream, 2.4 parts of bauxite, 1.9 parts of gangue, 1.7 parts of premixings of vanadium slag are formed uniformly raw material, and raw material mix in raw mill
Close levigate, obtained thin raw material；Thin raw material obtained are warming up to 900-1000 DEG C first, and 50-60 DEG C/min of heating rate is calcined
30 minutes, 1150-1250 DEG C is raised the temperature to later, and 20-30 DEG C/min of heating rate is calcined 10 minutes, material cooling
Afterwards to get to clinker,
Cement intensifier is prepared, it will（Parts by weight）17 parts of 34 parts of polyalcohol amine, 16 parts of maleic anhydride and allyl polyether into
Row heating water bath, 60-65 DEG C of heating temperature after keeping the temperature 5-7 minutes, are added 6 parts of butyl titanate, stir 3-5 minutes, be added to
In reaction kettle, under the conditions of temperature is 40-45 DEG C, 0.4-0.6MPa is gradually boosted to 20-30kPa/min rates, at pressurize
10-12min is managed, is depressurized to 0.2-0.3MPa later, after pressurize handles 4-6min, pressure release to normal pressure；Mass fraction is added dropwise later
Adjust pH to 8.5-8.7 for 3% sodium hydroxide solution, 3.4 parts of 6 parts of molasses and sodium tripolyphosphate be added, in temperature be 50-60 DEG C,
Under the conditions of rotating speed is 80~100r/min, constant temperature stirs 20-25min；7.3 parts of sodium thiosulfate and calcium chloride 2.7 are added later
Part, stirring to whole dissolvings；PH to 8.1-8.3 is adjusted, 2.2 parts of xanthans and 1.7 parts of Tween-80 are eventually adding, in 40-
Under the conditions of 50 DEG C of rotating speeds are 60~80r/min, constant temperature stirs 10min, stands 2-3h afterwards, obtains cement intensifier,
Later will（Parts by weight）11 parts of shale, 9 parts of Fluorspar Powder, 0.16 part of 2.8 parts of Titanium slag and cement intensifier mix
To mixing material, grinding in ball mill is added in the clinker and mixing material later；Grinding time 30-40 minutes, grinding temperature
Degree control is at 30-35 DEG C, rotating speed 150-170r/min, clinker and mixing material mass ratio 1:0.4, grinding makes it compare table
Area 450-500m2/ kg finally obtains high-strength cement.
Cement initial set/final setting time is 290/491min, and 14 days 3 days and 28 days resistance to compression/flexural strengths respectively reach 22.1/
4.8MPa, 39.1/7.1MPa, 52.4/9.4MPa.
Embodiment 4
A kind of preparation method of high strength cement, which is characterized in that include the following steps：
Prepare clinker：Raw material includes（Parts by weight）：59 parts of lime stone, 36 parts of flyash, 8 parts of pyrite slag, fluorite
6 parts of cream, 2.7 parts of bauxite, 1.8 parts of gangue, 1.7 parts of premixings of vanadium slag are formed uniformly raw material, and raw material mix in raw mill
It is levigate, thin raw material are made；Thin raw material obtained are warming up to 900-1000 DEG C first, and 50-60 DEG C/min of heating rate calcines 30
Minute, 1150-1250 DEG C is raised the temperature to later, 20-30 DEG C/min of heating rate is calcined 10 minutes, after material cooling,
Clinker is obtained,
Cement intensifier is prepared, it will（Parts by weight）16 parts of 36 parts of polyalcohol amine, 17 parts of maleic anhydride and allyl polyether into
Row heating water bath, 60-65 DEG C of heating temperature after keeping the temperature 5-7 minutes, are added 8 parts of butyl titanate, stir 3-5 minutes, be added to
In reaction kettle, under the conditions of temperature is 40-45 DEG C, 0.4-0.6MPa is gradually boosted to 20-30kPa/min rates, at pressurize
10-12min is managed, is depressurized to 0.2-0.3MPa later, after pressurize handles 4-6min, pressure release to normal pressure；Mass fraction is added dropwise later
Adjust pH to 8.5-8.7 for 3% sodium hydroxide solution, 4.6 parts of 7.4 parts of molasses and sodium tripolyphosphate be added, in temperature be 50-60
DEG C, under the conditions of rotating speed is 80~100r/min, constant temperature stirs 20-25min；7.7 parts of sodium thiosulfate and calcium chloride are added later
2.5 parts, stirring to whole dissolvings；PH to 8.1-8.3 is adjusted, 2.7 parts of xanthans and 1.2 parts of Tween-80 are eventually adding,
Under the conditions of 40-50 DEG C of rotating speed is 60~80r/min, constant temperature stirs 10min, stands 2-3h afterwards, obtains cement intensifier,
Later will（Parts by weight）14 parts of shale, 9 parts of Fluorspar Powder, 0.17 part of 2.2 parts of Titanium slag and cement intensifier mix
To mixing material, grinding in ball mill is added in the clinker and mixing material later；Grinding time 30-40 minutes, grinding temperature
Degree control is at 30-35 DEG C, rotating speed 150-170r/min, clinker and mixing material mass ratio 1:0.45, grinding makes its ratio
Surface area 450-500m2/ kg finally obtains high-strength cement.
A kind of high strength cement, which is characterized in that preparation method includes the following steps：
Prepare clinker：Raw material includes（Parts by weight）：59 parts of lime stone, 36 parts of flyash, 8 parts of pyrite slag, fluorite
6 parts of cream, 2.7 parts of bauxite, 1.8 parts of gangue, 1.7 parts of premixings of vanadium slag are formed uniformly raw material, and raw material mix in raw mill
It is levigate, thin raw material are made；Thin raw material obtained are warming up to 900-1000 DEG C first, and 50-60 DEG C/min of heating rate calcines 30
Minute, 1150-1250 DEG C is raised the temperature to later, 20-30 DEG C/min of heating rate is calcined 10 minutes, after material cooling,
Clinker is obtained,
Cement intensifier is prepared, it will（Parts by weight）16 parts of 36 parts of polyalcohol amine, 17 parts of maleic anhydride and allyl polyether into
Row heating water bath, 60-65 DEG C of heating temperature after keeping the temperature 5-7 minutes, are added 8 parts of butyl titanate, stir 3-5 minutes, be added to
In reaction kettle, under the conditions of temperature is 40-45 DEG C, 0.4-0.6MPa is gradually boosted to 20-30kPa/min rates, at pressurize
10-12min is managed, is depressurized to 0.2-0.3MPa later, after pressurize handles 4-6min, pressure release to normal pressure；Mass fraction is added dropwise later
Adjust pH to 8.5-8.7 for 3% sodium hydroxide solution, 4.6 parts of 7.4 parts of molasses and sodium tripolyphosphate be added, in temperature be 50-60
DEG C, under the conditions of rotating speed is 80~100r/min, constant temperature stirs 20-25min；7.7 parts of sodium thiosulfate and calcium chloride are added later
2.5 parts, stirring to whole dissolvings；PH to 8.1-8.3 is adjusted, 2.7 parts of xanthans and 1.2 parts of Tween-80 are eventually adding,
Under the conditions of 40-50 DEG C of rotating speed is 60~80r/min, constant temperature stirs 10min, stands 2-3h afterwards, obtains cement intensifier,
Later will（Parts by weight）14 parts of shale, 9 parts of Fluorspar Powder, 0.17 part of 2.2 parts of Titanium slag and cement intensifier mix
To mixing material, grinding in ball mill is added in the clinker and mixing material later；Grinding time 30-40 minutes, grinding temperature
Degree control is at 30-35 DEG C, rotating speed 150-170r/min, clinker and mixing material mass ratio 1:0.45, grinding makes its ratio
Surface area 450-500m2/ kg finally obtains high-strength cement.
Cement initial set/final setting time is 298/496min, and 14 days 3 days and 28 days resistance to compression/flexural strengths respectively reach 23.2/
5.0MPa, 39.1/6.5MPa, 52.6/9.2MPa.
Embodiment 5
A kind of preparation method of high strength cement, which is characterized in that include the following steps：
Prepare clinker：Raw material includes（Parts by weight）：55 parts of lime stone, 35 parts of flyash, 7 parts of pyrite slag, fluorite
6 parts of cream, 2.5 parts of bauxite, 1.5 parts of gangue, 1.5 parts of premixings of vanadium slag are formed uniformly raw material, and raw material mix in raw mill
It is levigate, thin raw material are made；Thin raw material obtained are warming up to 900-1000 DEG C first, and 50-60 DEG C/min of heating rate calcines 30
Minute, 1150-1250 DEG C is raised the temperature to later, 20-30 DEG C/min of heating rate is calcined 10 minutes, after material cooling,
Clinker is obtained,
Cement intensifier is prepared, it will（Parts by weight）17 parts of 35 parts of polyalcohol amine, 16 parts of maleic anhydride and allyl polyether into
Row heating water bath, 60-65 DEG C of heating temperature after keeping the temperature 5-7 minutes, are added 8 parts of butyl titanate, stir 3-5 minutes, be added to
In reaction kettle, under the conditions of temperature is 40-45 DEG C, 0.4-0.6MPa is gradually boosted to 20-30kPa/min rates, at pressurize
10-12min is managed, is depressurized to 0.2-0.3MPa later, after pressurize handles 4-6min, pressure release to normal pressure；Mass fraction is added dropwise later
PH to 8.5-8.7 is adjusted for 3% sodium hydroxide solution, 4 parts of 7 parts of molasses and sodium tripolyphosphate is added, is 50-60 DEG C in temperature, turns
Under the conditions of speed is 80~100r/min, constant temperature stirs 20-25min；2.5 parts of 7.5 parts of sodium thiosulfate and calcium chloride are added later,
It stirs to whole dissolvings；PH to 8.1-8.3 is adjusted, 2.5 parts of xanthans and 1.5 parts of Tween-80 are eventually adding, in 40-50
Under the conditions of DEG C rotating speed is 60~80r/min, constant temperature stirs 10min, stands 2-3h afterwards, obtains cement intensifier,
Later will（Parts by weight）13 parts of shale, 7 parts of Fluorspar Powder, 0.15 part of 2.5 parts of Titanium slag and cement intensifier mix
To mixing material, grinding in ball mill is added in the clinker and mixing material later；Grinding time 30-40 minutes, grinding temperature
Degree control is at 30-35 DEG C, rotating speed 150-170r/min, clinker and mixing material mass ratio 1:0.4, grinding makes it compare table
Area 450-500m2/ kg finally obtains high-strength cement.
A kind of high strength cement, which is characterized in that preparation method includes the following steps：
Prepare clinker：Raw material includes（Parts by weight）：55 parts of lime stone, 35 parts of flyash, 7 parts of pyrite slag, fluorite
6 parts of cream, 2.5 parts of bauxite, 1.5 parts of gangue, 1.5 parts of premixings of vanadium slag are formed uniformly raw material, and raw material mix in raw mill
It is levigate, thin raw material are made；Thin raw material obtained are warming up to 900-1000 DEG C first, and 50-60 DEG C/min of heating rate calcines 30
Minute, 1150-1250 DEG C is raised the temperature to later, 20-30 DEG C/min of heating rate is calcined 10 minutes, after material cooling,
Clinker is obtained,
Cement intensifier is prepared, it will（Parts by weight）17 parts of 35 parts of polyalcohol amine, 16 parts of maleic anhydride and allyl polyether into
Row heating water bath, 60-65 DEG C of heating temperature after keeping the temperature 5-7 minutes, are added 8 parts of butyl titanate, stir 3-5 minutes, be added to
In reaction kettle, under the conditions of temperature is 40-45 DEG C, 0.4-0.6MPa is gradually boosted to 20-30kPa/min rates, at pressurize
10-12min is managed, is depressurized to 0.2-0.3MPa later, after pressurize handles 4-6min, pressure release to normal pressure；Mass fraction is added dropwise later
PH to 8.5-8.7 is adjusted for 3% sodium hydroxide solution, 4 parts of 7 parts of molasses and sodium tripolyphosphate is added, is 50-60 DEG C in temperature, turns
Under the conditions of speed is 80~100r/min, constant temperature stirs 20-25min；2.5 parts of 7.5 parts of sodium thiosulfate and calcium chloride are added later,
It stirs to whole dissolvings；PH to 8.1-8.3 is adjusted, 2.5 parts of xanthans and 1.5 parts of Tween-80 are eventually adding, in 40-50
Under the conditions of DEG C rotating speed is 60~80r/min, constant temperature stirs 10min, stands 2-3h afterwards, obtains cement intensifier,
Later will（Parts by weight）13 parts of shale, 7 parts of Fluorspar Powder, 0.15 part of 2.5 parts of Titanium slag and cement intensifier mix
To mixing material, grinding in ball mill is added in the clinker and mixing material later；Grinding time 30-40 minutes, grinding temperature
Degree control is at 30-35 DEG C, rotating speed 150-170r/min, clinker and mixing material mass ratio 1:0.4, grinding makes it compare table
Area 450-500m2/ kg finally obtains high-strength cement.
Cement initial set/final setting time is 295/493min, and 14 days 3 days and 28 days resistance to compression/flexural strengths respectively reach 22.8/
5.1MPa, 38.4/6.3MPa, 53.3/9.3MPa.
Claims (6)
1. a kind of preparation method of high strength cement, which is characterized in that include the following steps：
Prepare clinker：Raw material includes（Parts by weight）：50-60 parts of lime stone, 30-40 parts of flyash, 5-10 parts of pyrite slag,
5-7 parts of fluorgypsum, 2-3 parts of bauxite, 1-2 parts of gangue, 1-2 parts of premixings of vanadium slag are formed uniformly raw material, and raw material are in raw mill
In be mixed and finely ground, be made thin raw material；Thin raw material obtained are warming up to 900-1000 DEG C first, 50-60 DEG C/min of heating rate,
Calcining 30 minutes raises the temperature to 1150-1250 DEG C later, and 20-30 DEG C/min of heating rate is calcined 10 minutes, and material is cold
But to get to clinker after,
Cement intensifier is prepared, it will（Parts by weight）33-37 parts of polyalcohol amine, 15-18 parts of maleic anhydride and allyl polyether 15-20
Part carries out heating water bath, and after keeping the temperature 5-7 minutes, 5-10 parts of butyl titanate is added in 60-65 DEG C of heating temperature, and stirring 3-5 divides
Clock is added in reaction kettle, and under the conditions of temperature is 40-45 DEG C, 0.4- is gradually boosted to 20-30kPa/min rates
0.6MPa, pressurize handle 10-12min, are depressurized to 0.2-0.3MPa later, after pressurize handles 4-6min, pressure release to normal pressure；Later
It is that 3% sodium hydroxide solution adjusts pH to 8.5-8.7 that mass fraction, which is added dropwise, and 3-5 parts of 5-8 parts of molasses and sodium tripolyphosphate is added, in
Temperature is 50-60 DEG C, and under the conditions of rotating speed is 80~100r/min, constant temperature stirs 20-25min；Sodium thiosulfate 7-8 is added later
2-3 parts of part and calcium chloride, stirring to whole dissolvings；Adjust pH to 8.1-8.3, be eventually adding 2-3 parts xanthans and 1-2 parts
Tween-80, under the conditions of 40-50 DEG C of rotating speed is 60~80r/min, constant temperature stirs 10min, stands 2-3h afterwards, obtains cement increasing
Strong agent,
Later will（Parts by weight）10-15 parts of shale, 5-10 parts of Fluorspar Powder, 0.1-0.2 parts of 2-3 parts of Titanium slag and cement intensifier are mixed
Conjunction obtains mixing material, and grinding in ball mill is added in the clinker and mixing material later；Grinding time 30-40 minutes, powder
Temperature control is ground at 30-35 DEG C, rotating speed 150-170r/min, clinker and mixing material mass ratio 1:0.3-0.5, grinding
Make its specific surface area 450-500m2/ kg finally obtains high-strength cement.
2. a kind of preparation method of high strength cement as described in claim 1, the content of each component in the clinker
For：Tricalcium silicate 10-20%, dicalcium silicate 30-35%, sulphur calcium silicates 18-24%, calcium sulphoaluminate 10-12%, tetra calcium aluminoferrite 20-
25%, free calcium oxide is less than 2%.
3. a kind of preparation method of high strength cement as described in claim 1, prepares clinker：Raw material includes：Lime stone
55 parts, 35 parts of flyash, 7 parts of pyrite slag, 6 parts of fluorgypsum, 2.5 parts of bauxite, 1.5 parts of gangue, 1.5 parts of premixings of vanadium slag
It is formed uniformly raw material.
4. a kind of preparation method of high strength cement as described in claim 1, prepares clinker：Raw material includes：Lime stone
50 parts, 30 parts of flyash, 5 parts of pyrite slag, 5 parts of fluorgypsum, 2 parts of bauxite, 1 part of gangue, 1 part of uniform shape of premixing of vanadium slag
At raw material.
5. a kind of preparation method of high strength cement as described in claim 1, clinker and mixing material mass ratio 1:
0.4。
6. a kind of preparation method of high strength cement as described in claim 1, clinker and mixing material mass ratio 1:
0.35。
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| CN105110666A (en) * | 2015-07-31 | 2015-12-02 | 武汉理工大学 | Production method for cement clinker by utilizing waste materials from calcium carbide production |
| CN105541143A (en) * | 2016-01-19 | 2016-05-04 | 北京建筑材料科学研究总院有限公司 | Method for producing high-strength low-carbon cement clinkers by using novel dry-method rotary kiln system |
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| CN105110666A (en) * | 2015-07-31 | 2015-12-02 | 武汉理工大学 | Production method for cement clinker by utilizing waste materials from calcium carbide production |
| CN105541143A (en) * | 2016-01-19 | 2016-05-04 | 北京建筑材料科学研究总院有限公司 | Method for producing high-strength low-carbon cement clinkers by using novel dry-method rotary kiln system |
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