CN109384416A - A kind of mineral powder mixed material and its preparation process - Google Patents
A kind of mineral powder mixed material and its preparation process Download PDFInfo
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- CN109384416A CN109384416A CN201811205102.1A CN201811205102A CN109384416A CN 109384416 A CN109384416 A CN 109384416A CN 201811205102 A CN201811205102 A CN 201811205102A CN 109384416 A CN109384416 A CN 109384416A
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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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
- C04B40/0042—Powdery mixtures
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Abstract
The invention discloses a kind of mineral powder mixed material and its preparation processes, are related to miberal powder processing technical field, solve the problems, such as to cause its using effect bad because the whole activity of miberal powder is lower.It includes the component of following parts by weight: 80~85 parts of blast-furnace cinder raw material；2.5~5.5 parts of siliceous rock；5~7 parts of semi-hydrated gypsum；2~4 parts of bone black；0.8~1.4 part of surface modifier；1.1~1.7 parts of exciting agent；0.4~0.6 part of dispersing agent；1.2~1.8 parts of organic silicone alkane.The whole activity with higher of mineral powder mixed material obtained by the present invention, and the compression strength, compactness and impermeability of concrete can be effectively improved when in use, there is good practical effect.
Description
Technical field
The present invention relates to miberal powders to process technical field, more specifically, it relates to a kind of mineral powder mixed material and its system
Standby technique.
Background technique
Miberal powder generally refers to obtained feed powder after mined ore progress crushing and processing being mainly used for concrete
Admixture, the compression strength of concrete can be effectively improved, improve the compactness and impermeability of concrete, and reduce concrete
Cost.
A kind of complex slag and preparation method thereof is disclosed in the Chinese invention patent of Publication No. CN106746809A,
Including following component in parts by weight: 20~60 parts of lime stone, 5~25 parts of phosphorus slag powder, 5~25 parts of steel-making slag powder, clinker 5
~25 parts, 5~25 parts and 5~25 parts of gypsum of clinker.
In above-mentioned patent, steel slag, phosphorus slag and clinker are finely ground into micro mist respectively, then touch lime stone and land plaster carefully
Powder, combination construction garbage regeneration micro mist are prepared, have many advantages, such as it is convenient, simple, be readily produced.But combination construction rubbish is again
The overall activity of raw micro mist is lower, causes the activity of complex slag lower, and stability is poor, and then leads to the whole of complex slag
Body using effect is poor, it is, therefore, desirable to provide a kind of new scheme solves the above problems.
Summary of the invention
For the lower problem for causing its using effect bad of activity whole because of miberal powder in the prior art, mesh of the invention
One be to provide a kind of mineral powder mixed material, by being added, to solve the above technical problems, activity with higher, and having
There is good practical effect.
To achieve the above object one, the present invention provides the following technical scheme that
A kind of mineral powder mixed material, which is characterized in that the component including following parts by weight:
80~85 parts of blast-furnace cinder raw material；
2.5~5.5 parts of siliceous rock；
5~7 parts of semi-hydrated gypsum；
2~4 parts of bone black；
0.8~1.4 part of surface modifier；
1.1~1.7 parts of exciting agent；
0.4~0.6 part of dispersing agent；
1.2~1.8 parts of organic silicone alkane.
By using above-mentioned technical proposal, the main mineral constituent of siliceous rock is opal, calcedony and quartz, is had
Diversified ingredient and structure feature when being used in mixed way with blast-furnace cinder raw material, can play good compounding effect.And
Bone black is a kind of amorphous carbon, and containing 7%~11% carbon, about 80% calcium phosphate and other inorganic salts, being that one kind is good adds
Adding agent, and it very effective can remove removing heavy metals, its advantage is that it can eliminate the negative effect of hardness in water, and
When being used in mixed way with siliceous rock, the overall activity of mineral powder mixed material can be made to be improved.
When miberal powder is for when making concrete, semi-hydrated gypsum, which reacts to generate with water in system, to have certain gelling property
Dihydrate gypsum is filled in concrete, is conducive to the integral strength for improving concrete, and semi-hydrated gypsum is hydrolyzed to calcium ion and sulphur
Acid ion participates in the formation of hydrated calcium silicate, greatly improves the activity of miberal powder entirety, has good using effect.Have
Machine silicone alkane is a kind of high hydrophobicity auxiliary agent, and it can do anti-wear agent use, is conducive to the ratio table for making mineral powder mixed material entirety
Area increases, and whole activity greatly improves.Meanwhile mixture is when in use, organic silicone alkane rises in boundary layer to be formed a connecting link
Effect, hold inorganic matter on one side, merge macromolecule on one side, be conducive to greatly improve the integral strength of coagulation body.
Exciting agent can excite the activity of blast-furnace cinder raw material, can also improve the fineness of slag, and can play good help
Effect is ground, improves the specific surface area of mineral powder mixed material significantly.Surface modifier can keep material or product originality can
Under the premise of, it assigns its surface new performance, is obtained between the inorganic filler that surface nature can be made to differ greatly and organic polymer
Good interface cohesion is obtained, the activity of mineral powder mixed material is greatly improved.Meanwhile when mineral powder mixed material in use, point
Powder is conducive to that each miberal powder raw material is made adequately to scatter, and good using effect is made it have, especially in the production of concrete
Cheng Zhong can be such that the intensity of obtained concrete greatly improves.
Further preferably, the air hardening lime that parts by weight are 2~4 parts is additionally added in the mineral powder mixed material.
By using above-mentioned technical proposal, air hardening lime one kind is with calcium oxide air-setting inorganic gel as main component
Material, when miberal powder is applied to concrete, air hardening lime meets water and becomes calcium hydroxide, is exactly alkaline matter, can be used as sharp
Agent is sent out, the activity of miberal powder entirety is improved.Meanwhile playing the role of good compound synergic between air hardening lime and exciting agent, significantly
The overall activity of miberal powder when in use is improved, and viscosity and integral strength between concrete each component can be improved, makes miberal powder
Mixture has good using effect.
Further preferably, the siliceous rock selects any two kinds in silexite, jasperite, spongolite and diatomite
Or three kinds, and be obtained by mixing in any proportion.
By using above-mentioned technical proposal, a large amount of silica is contained in silexite, mainly by crystallite quartz and calcedony
Composition；Jasperite main mineral constituent is spontaneous quartz, can contain a small amount of biological remains；Spongolite is mainly by Silica Sponge Spicule
Composition, mineralogical composition is mainly opal, in spicule by the silicoides such as opal, calcedony institute it is cementing；The master of diatomite
Wanting chemical component is aqueous silica, and mineralogical composition is mainly opal, and diatomite has typical diatom biological structure；
It selects any two or three of siliceous rock that the overall activity of mineral powder mixed material can be improved, makes the specific surface area of mineral powder mixed material
It greatly improves, and when preparing concrete in the later period, the integral strength of concrete can also be greatly improved, make it have good make
Use effect.
Further preferably, the exciting agent selects any two kinds in triethanolamine, calcium oxide, sodium sulphate and anhydrous sodium sulphate
Or three kinds, and be obtained by mixing in any proportion.
By using above-mentioned technical proposal, triethanolamine, calcium oxide, sodium sulphate and anhydrous sodium sulphate are a kind of good grinding aids
Agent is capable of increasing the specific surface area of mineral powder mixed material, and when mineral powder mixed material is used to prepare concrete, exciting agent can also be effective
Improve the integral strength of concrete.Meanwhile any two or three therein and after mixing in any proportion, it can play good
Compounding effect can release silicon (aluminium) oxygen tetrahedron isoreactivity component and when in use, keep the entirety of mineral powder mixed material living
Property greatly improve, and in use, can also improve the integral strength of concrete, there is good using effect.
Further preferably, the surface modifier select silane coupling agent, pentaerythritol ester, polyoxyethylene heptyl amine or
Glycerine polyoxyethylene ether.
By using above-mentioned technical proposal, silane coupling agent, pentaerythritol ester, polyoxyethylene heptyl amine and glycerine polyoxy
Vinethene plays good modifying function to silica and the higher blast-furnace cinder raw material of silicate content and siliceous rock, can
Polymeric PTC materials layer is formed on the surface of inorganic particle, changes the surface nature of inorganic particle, makes the work of mineral powder mixed material entirety
Property greatly improves.Meanwhile the mineral powder mixed material that surface modifier is added is in later period use process, can make each component have compared with
Big specific surface area.
Further preferably, the dispersing agent selects polycarboxylate, sodium methylene bis-naphthalene sulfonate, calcium stearate, stearic acid
Zinc or naphthalenesulfonate formaldehyde condensation compound.
By using above-mentioned technical proposal, dispersing agent is one kind in the molecule while having lipophilic and two kinds of phases of hydrophily
The interfacial agent of reflexive matter, when mineral powder mixed material is when the later period is in concrete, dispersing agent is conducive to make mineral powder mixed material
In each component adequately scatter, so that it is played well stable effect.Meanwhile dispersing agent is also beneficial to make its in concrete
He adequately mixes each component raw material, greatly improves the integral strength of concrete.
The purpose of the present invention two is to provide a kind of preparation process of mineral powder mixed material, be mixed using the miberal powder of this method preparation
It closes and expects activity with higher, and there is good practical effect.
To achieve the above object two, the present invention provides the following technical scheme that
Blast-furnace cinder raw material, siliceous rock and the semi-hydrated gypsum of corresponding parts by weight are transported in storage tank and carry out by step 1
It is mixed, speed of agitator is 600~800rpm, and mixing time is 15~25min, obtains mixture；
Step 2 is fed the mixture into vertical grinder, and the bone black, exciting agent and organic silicone of corresponding parts by weight is added
Alkane carries out vertical drying mill, and the time is 50~70min, and temperature is 280~300 DEG C, obtains masterbatch；
Masterbatch is sent into pulsed jet cloth filter and is dusted, obtains powder by step 3；
The dispersing agent and surface modifier of corresponding parts by weight are added in powder, carries out uniformly mixed, speed of agitator for step 4
For 200~400rpm, mixing time is 10~20min, obtains mineral powder mixed material；
Mineral powder mixed material is successively passed through wind and skewed slot and bucket elevator is sent to be sent into warehouse for finished product, stored by step 5.
By using above-mentioned technical proposal, obtained mineral powder mixed material specific surface area with higher and higher work
Property, and each component raw material uniformly mixes makes it in use and has the effect of well stable, and organic silicone alkane and excitation
Agent can play good grind -aiding effect, so that each component raw material is had uniform granular size during vertical baking is ground, favorably
In the overall quality for improving mineral powder mixed material.
Further preferably, the step 2 specifically comprises the following steps, feeds the mixture into vertical grinder, vertical
It is added with miberal powder grinding aid on the bistrique of grinding machine, and the bone black, surface modifier and organic silicone alkane of corresponding parts by weight is added,
Vertical drying mill is carried out, the time is 50~70min, and temperature is 280~300 DEG C, obtains masterbatch.
By using above-mentioned technical proposal, which is by physics, the twin effect of chemistry and special process
A kind of composite powder material of processing.In miberal powder production, the electrostatic in grinding process can be eliminated, powder packet ball is avoided
Phenomenon occurs, to improve the mill efficiency of slag, and the effect energy between energy dispersed material, reduces the poly- power between pellet
And resistance, reach raising material specific surface area, reducing screen over-size to realize grind -aiding effect makes the work of mineral powder mixed material entirety
Property greatly improves.
In conclusion compared with prior art, the invention has the following advantages:
(1) good fiting effect is played when passing through and bone black and siliceous rock is added, and mixing with blast-furnace cinder raw material, can be made
The overall activity of mineral powder mixed material is improved, and exciting agent can excite the activity of blast-furnace cinder raw material, can also improve slag
Fineness, and can and organic silicone alkane play good grinding-aid effect jointly, improve the specific surface area of mineral powder mixed material significantly,
Overall activity is also improved；And semi-hydrated gypsum is hydrolyzed to calcium ion and sulfate ion, participates in the formation of hydrated calcium silicate, makes
The activity of miberal powder entirety greatly improves；
(2) when miberal powder is applied to concrete, air hardening lime meets water and becomes calcium hydroxide, is exactly alkaline matter, can be used as
Exciting agent improves the activity of miberal powder entirety.Meanwhile playing the role of good compound synergic between air hardening lime and exciting agent, greatly
The overall activity of miberal powder when in use is improved greatly；
(3) it selects at least two siliceous rock and exciting agent to be used in mixed way in any proportion, the ratio of mineral powder mixed material can be made
Surface area greatly improves, and can release silicon (aluminium) oxygen tetrahedron isoreactivity component, keeps the overall activity of mineral powder mixed material big
It is big to improve.Meanwhile when mineral powder mixed material is applied in concrete, the integral strength of concrete can be made to greatly improve, make it
With good using effect.
Specific embodiment
Below with reference to embodiment, the present invention will be described in detail.
Embodiment 1: a kind of mineral powder mixed material, each component and its corresponding parts by weight are as shown in table 1, and by walking as follows
Suddenly it prepares:
Blast-furnace cinder raw material, siliceous rock and the semi-hydrated gypsum of corresponding parts by weight are transported in storage tank and carry out by step 1
It is mixed, speed of agitator 800rpm, mixing time 15min obtain mixture；
Step 2 is fed the mixture into vertical grinder, and the bone black, exciting agent and organic silicone of corresponding parts by weight is added
Alkane carries out vertical drying mill, time 60min, and temperature is 300 DEG C, obtains masterbatch；
Masterbatch is sent into pulsed jet cloth filter and is dusted, obtains powder by step 3；
The sodium methylene bis-naphthalene sulfonate and pentaerythritol ester of corresponding parts by weight is added in step 4 in powder, mix
Even, speed of agitator 200rpm, mixing time 10min obtain mineral powder mixed material；
Mineral powder mixed material is successively passed through wind and skewed slot and bucket elevator is sent to be sent into warehouse for finished product, stored by step 5.
Note: above-mentioned exciting agent selects triethanolamine and calcium oxide is that the ratio of 1:1 is obtained by mixing by ratio of weight and the number of copies；It is siliceous
Rock selection silexite and jasperite are that the ratio of 1:1 is obtained by mixing by ratio of weight and the number of copies.
Embodiment 2-8: a kind of mineral powder mixed material, difference from example 1 is that, each component and its corresponding weight
Number is as shown in table 1.
Each component and its parts by weight in 1 embodiment 1-8 of table
Embodiment 9: a kind of mineral powder mixed material, difference from example 1 is that, step 2 specifically comprises the following steps, will
Mixture is sent in vertical grinder, and be added corresponding parts by weight be 4 parts of bone black, 1.7 parts of exciting agent, 1.8 parts have
Machine silicone alkane and 0.5 part of air hardening lime carry out vertical drying mill, time 60min, and temperature is 300 DEG C, obtain masterbatch.
Embodiment 10: a kind of mineral powder mixed material, with embodiment 9 the difference is that, air hardening lime in step 2
Parts by weight are set as 1 part.
Embodiment 11: a kind of mineral powder mixed material, with embodiment 9 the difference is that, air hardening lime in step 2
Parts by weight are set as 1.5 parts.
Embodiment 12: a kind of mineral powder mixed material, the difference is that, step 1 mediasilicic rock stone is selected with embodiment 11
Silexite and spongolite are that the ratio of 2:1 is obtained by mixing by ratio of weight and the number of copies.
Embodiment 13: a kind of mineral powder mixed material, the difference is that, step 1 mediasilicic rock stone is selected with embodiment 11
Silexite, spongolite and diatomite are that the ratio of 2:1:1 is obtained by mixing by ratio of weight and the number of copies.
Embodiment 14: a kind of mineral powder mixed material, the difference is that, exciting agent selects three in step 2 with embodiment 13
Ethanol amine and sodium sulphate are that the ratio of 1:1 is obtained by mixing by ratio of weight and the number of copies.
Embodiment 15: a kind of mineral powder mixed material, the difference is that, exciting agent selects three in step 2 with embodiment 13
Ethanol amine, sodium sulphate and anhydrous sodium sulphate are that the ratio of 1:1:1 is obtained by mixing by ratio of weight and the number of copies.
Embodiment 16: a kind of mineral powder mixed material, the difference is that, step 4 specifically includes following step with embodiment 15
Suddenly, be added in powder corresponding parts by weight be 0.6 part of sodium methylene bis-naphthalene sulfonate and 1.4 parts of polyoxyethylene heptyl amine,
Uniformly mixed, speed of agitator 200rpm is carried out, mixing time 10min obtains mineral powder mixed material.
Embodiment 17: a kind of mineral powder mixed material, the difference is that, step 4 specifically includes following step with embodiment 15
Suddenly, it is 0.6 part of sodium methylene bis-naphthalene sulfonate and 1.4 parts of silane coupling agent that corresponding parts by weight are added in powder, is carried out
It is uniformly mixed, speed of agitator 200rpm, mixing time 10min obtain mineral powder mixed material.
Embodiment 18: a kind of mineral powder mixed material, the difference is that, step 4 specifically includes following step with embodiment 17
Suddenly, be added in powder corresponding parts by weight be 0.6 part of calcium stearate and 1.4 parts of pentaerythritol ester, carry out it is uniformly mixed,
Speed of agitator is 200rpm, and mixing time 10min obtains mineral powder mixed material.
Embodiment 19: a kind of mineral powder mixed material, the difference is that, step 4 specifically includes following step with embodiment 17
Suddenly, be added in powder corresponding parts by weight be 0.6 part of naphthalenesulfonate formaldehyde condensation compound and 1.4 parts of pentaerythritol ester, into
Row is uniformly mixed, and speed of agitator 200rpm, mixing time 10min obtain mineral powder mixed material.
Embodiment 20: a kind of mineral powder mixed material, the difference is that, step 2 specifically includes following step with embodiment 19
Suddenly, it feeds the mixture into vertical grinder, miberal powder grinding aid is added on the bistrique of vertical mill, and corresponding parts by weight are added
Number is 4 parts of bone black, 1.7 parts of exciting agent, 1.8 parts of organic silicone alkane and 0.5 part of air hardening lime, carries out vertical drying
Mill, time 60min, temperature are 300 DEG C, obtain masterbatch.
Comparative example 1: a kind of mineral powder mixed material, difference from example 1 is that, step 1 specifically includes following step
It suddenly, is that 80 parts of blast-furnace cinder raw material and 5 parts of semi-hydrated gypsum are transported in storage tank mix and stir by corresponding parts by weight
It mixes, speed of agitator 800rpm, mixing time 15min obtains mixture.
Comparative example 2: a kind of mineral powder mixed material, difference from example 1 is that, step 1 specifically includes following step
It suddenly, is that 80 parts of blast-furnace cinder raw material and 5.5 parts of siliceous rock are transported in storage tank and mix by corresponding parts by weight
Stirring, speed of agitator 800rpm, mixing time 15min obtain mixture.
Comparative example 3: a kind of mineral powder mixed material, difference from example 1 is that, step 2 specifically includes following step
Suddenly, it feeds the mixture into vertical grinder, and it is 4 parts of bone black and 1.7 parts of exciting agent that corresponding parts by weight, which are added, is carried out
Vertical drying mill, time 60min, temperature are 300 DEG C, obtain masterbatch.
Comparative example 4: a kind of mineral powder mixed material, difference from example 1 is that, step 2 specifically includes following step
Suddenly, it feeds the mixture into vertical grinder, and it is 1.7 parts of exciting agent and 1.8 parts of organosilicon that corresponding parts by weight, which are added,
Ketone alkane carries out vertical drying mill, time 60min, and temperature is 300 DEG C, obtains masterbatch.
Comparative example 5: a kind of mineral powder mixed material, difference from example 1 is that, step 2 specifically includes following step
Suddenly, it feeds the mixture into vertical grinder, and the bone black that corresponding parts by weight are 4 parts is added, carry out vertical drying mill, time
For 60min, temperature is 300 DEG C, obtains masterbatch.
Comparative example 6: a kind of mineral powder mixed material, difference from example 1 is that, step 2 specifically includes following step
Suddenly, it feeds the mixture into vertical grinder, carries out vertical drying mill, time 60min, temperature is 300 DEG C, obtains masterbatch.
Comparative example 7: a kind of mineral powder mixed material, difference from example 1 is that, step 1 specifically includes following step
Suddenly, the blast-furnace cinder feedstock delivery that corresponding parts by weight are 80 parts is mixed into storage tank, speed of agitator is
800rpm, mixing time 15min, obtains mixture.
Comparative example 8: a kind of mineral powder mixed material, the difference is that, step 1 specifically includes following step with comparative example 6
Suddenly, the blast-furnace cinder feedstock delivery that corresponding parts by weight are 80 parts is mixed into storage tank, speed of agitator is
800rpm, mixing time 15min, obtains mixture.
Test a miberal powder active testing
Test specimen: using the mineral powder mixed material obtained in embodiment 1-20 as test specimen 1-20, using in comparative example 1-8
The mineral powder mixed material of acquisition is as control sample 1-8.
Test method: test specimen 1-20 and control sample 1-8 " is used for cement and coagulation according to GB/T18046-2008
Ground granulated blast furnace slag in soil " production standard sample, and each sample is measured 7 days and 28 days according to detection method therein
Activity index afterwards.
Test result: the test result of test specimen 1-20 and control sample 1-8 are as shown in table 2.
The test result of table 2 test specimen 1-20 and control sample 1-8
As shown in Table 2, it can be obtained by the control of the test result of test specimen 1-20 and control sample 1-8, by the way that bone black and silicon is added
Matter rock, and while mixing with blast-furnace cinder raw material, plays good fiting effect, and the overall activity of mineral powder mixed material can be made to obtain
To raising, and exciting agent and organic silicone alkane play the role of good compound synergic jointly, make the overall activity of mineral powder mixed material
Also it is improved；Semi-hydrated gypsum is hydrolyzed to calcium ion and sulfate ion, participates in the formation of hydrated calcium silicate, makes miberal powder entirety
Activity greatly improves.Air hardening lime meets water and becomes alkaline matter, can be used as exciting agent, improves the activity of miberal powder entirety, and
Meanwhile playing the role of good compound synergic between air hardening lime and exciting agent, substantially increase the entirety of miberal powder when in use
Activity.Meanwhile miberal powder grinding aid is used in art production process, it can also improve the overall activity of mineral powder mixed material.
Test the test of two specific surface areas
Test specimen: using the mineral powder mixed material obtained in embodiment 1-20 as test specimen 1-20, using in comparative example 1-8
The mineral powder mixed material of acquisition is as control sample 1-8.
Test method: by test specimen 1-20 and control sample 1-8, according to GB/T8074-2008, " cement specific surface area is surveyed
Determine method " standard sample is made, environment temperature is maintained at 20 DEG C, and relative humidity is not less than under conditions of 50%, and according to wherein
Detection method measure the specific surface area of each sample.
Test result: the test result of test specimen 1-20 and control sample 1-8 are as shown in table 3.
The test result of table 3 test specimen 1-20 and control sample 1-8
As shown in Table 3, it can be obtained by the control of the test result of test specimen 1-20 and control sample 1-8, by the way that bone black and silicon is added
The specific surface area of mineral powder mixed material can be improved in matter rock, and exciting agent and organic silicone alkane play good grinding aid effect jointly
Fruit improves the specific surface area of mineral powder mixed material significantly；And semi-hydrated gypsum and air hardening lime can be used as exciting agent, and air hardening
Property lime and exciting agent between play the role of good compound synergic, substantially increase improve miberal powder entirety specific surface area.Meanwhile
Effect energy between miberal powder grinding aid energy dispersed material reduces poly- power and resistance between pellet, reaches and improve material ratio table
The effect of area.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of mineral powder mixed material, which is characterized in that the component including following parts by weight:
80~85 parts of blast-furnace cinder raw material；
2.5~5.5 parts of siliceous rock；
5~7 parts of semi-hydrated gypsum；
2~4 parts of bone black；
0.8~1.4 part of surface modifier；
1.1~1.7 parts of exciting agent；
0.4~0.6 part of dispersing agent；
1.2~1.8 parts of organic silicone alkane.
2. mineral powder mixed material according to claim 1, which is characterized in that be additionally added parts by weight in the mineral powder mixed material
The air hardening lime that number is 2~4 parts.
3. mineral powder mixed material according to claim 1, which is characterized in that the siliceous rock select silexite, jasperite,
Any two or three in spongolite and diatomite, and be obtained by mixing in any proportion.
4. mineral powder mixed material according to claim 1, which is characterized in that the exciting agent select triethanolamine, calcium oxide,
Any two or three in sodium sulphate and anhydrous sodium sulphate, and be obtained by mixing in any proportion.
5. mineral powder mixed material according to claim 1, which is characterized in that the surface modifier selection silane coupling agent,
Pentaerythritol ester, polyoxyethylene heptyl amine or glycerine polyoxyethylene ether.
6. mineral powder mixed material according to claim 1, which is characterized in that the dispersing agent selects polycarboxylate, methylene
Double sodium naphthalene sulfonates, calcium stearate, zinc stearate or naphthalenesulfonate formaldehyde condensation compound.
7. a kind of preparation process of mineral powder mixed material, which comprises the following steps:
Blast-furnace cinder raw material, siliceous rock and the semi-hydrated gypsum of corresponding parts by weight are transported in storage tank and carry out by step 1
It is mixed, speed of agitator is 600~800rpm, and mixing time is 15~25min, obtains mixture；
Step 2 is fed the mixture into vertical grinder, and the bone black, exciting agent and organic silicone of corresponding parts by weight is added
Alkane carries out vertical drying mill, and the time is 50~70min, and temperature is 280~300 DEG C, obtains masterbatch；
Masterbatch is sent into pulsed jet cloth filter and is dusted, obtains powder by step 3；
The dispersing agent and surface modifier of corresponding parts by weight are added in powder, carries out uniformly mixed, speed of agitator for step 4
For 200~400rpm, mixing time is 10~20min, obtains mineral powder mixed material；
Mineral powder mixed material is successively passed through wind and skewed slot and bucket elevator is sent to be sent into warehouse for finished product, stored by step 5.
8. the preparation process of mineral powder mixed material according to claim 7, which is characterized in that the step 2 specifically include as
Lower step, feeds the mixture into vertical grinder, and miberal powder grinding aid is added on the bistrique of vertical mill, and corresponding weight is added
Bone black, surface modifier and the organic silicone alkane of number are measured, vertical drying mill is carried out, the time is 50~70min, temperature 280
~300 DEG C, obtain masterbatch.
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| WO2022072779A1 (en) * | 2020-10-02 | 2022-04-07 | Gcp Applied Technologies Inc. | Early strength slag-based cementitious binder |
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