CN107986659A - A kind of preparation method of activity micro mist - Google Patents

A kind of preparation method of activity micro mist Download PDF

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Publication number
CN107986659A
CN107986659A CN201711341145.8A CN201711341145A CN107986659A CN 107986659 A CN107986659 A CN 107986659A CN 201711341145 A CN201711341145 A CN 201711341145A CN 107986659 A CN107986659 A CN 107986659A
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China
Prior art keywords
parts
slag
micro mist
preparation
aggregate
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CN201711341145.8A
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Chinese (zh)
Inventor
何喜善
刘川荣
白汉
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Minle County Jin Shi Building Materials New Materials Co Ltd
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Minle County Jin Shi Building Materials New Materials Co Ltd
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Priority to CN201711341145.8A priority Critical patent/CN107986659A/en
Publication of CN107986659A publication Critical patent/CN107986659A/en
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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
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The present invention relates to building material technical field, particularly a kind of preparation method for the active micro mist being used in mortar and concrete, the weight item of the activity micro mist, which matches, is：Silicon powder is 70 90 parts；K2O is 15 20 parts；Na2O is 15 20 parts；Phosphorus slag is 35 60 parts；Manganese slag is 10 30 parts；Silane coupling agent kh560 is 10 35 parts；Ammonium hydroxide is 13 parts.Preparation method includes following steps：（1）The preparation of silicon powder；（2）The preparation of phosphorus slag；（3）The preparation of manganese slag；（4）It is mixed；（5）Air current classifying exports, and finished product is obtained after pack.The production method is using common apparatus, simple production process, working condition is gentle, is discharged without toxic and harmful gas and liquid, can be mass and produces the active micro mist of high quality.

Description

A kind of preparation method of activity micro mist
Technical field
The present invention relates to building material technical field, particularly a kind of system for the active micro mist being used in mortar and concrete Preparation Method.
Background technology
Continuous with urbanization process is accelerated, and the yield and discharge capacity of urban building waste are growing.City is built Building refuse accounts for that municipal solid wastes proportion is quite big, about the 30%-40% of city solid waste total amount.Using air storage or landfill Mode is disposed, and on the one hand takes large area arable land, on the other hand vegetation, health, living environment can be caused greatly negative Face is rung, and causes the destruction of ecological environment.Therefore, building waste safe disposal and comprehensive utilization have been increasingly subject to the weight of people Depending on.
The current recycling approach of building waste is single at present, be mainly formed into regeneration aggregate be used for produce regeneration mix Solidifying soil etc..But the particle diameter that regeneration aggregate production process produces is smaller（0-5mm）Waste material, since moisture content is high, water absorption rate is big Deng utilization rate is relatively low.This waste material accounts for 20% or so of regeneration aggregate yield.Survey data shows：This part particle diameter is less Concrete waste material contains a large amount of hardened cement pastes, and the incomplete aquation of cement slurry, has the possibility of aquation again.Through effective grinding Being capable of Ca (OH) in excited cement2, unhydrated cement granules form the ability of calcium aluminate of hydrated carbon and aquation carbon calcium silicates, therefore Waste and old concrete micro mist forms jel product as hydrated cementitious embryos and continuation aquation has practical significance.Pass through the present invention's Activation method, obtains the ultra-fine regeneration activity micro mist of concrete with high added value, can substitute flyash as mortar, coagulation Native admixture.There is important development meaning to the complete regeneration of discarded concrete.
The content of the invention
In order to solve above-mentioned problems of the prior art, the present invention provides a kind of preparation method of active micro mist.
The technical solution adopted by the present invention to solve the technical problems is：A kind of preparation method of activity micro mist, includes Following steps：
（1）High purity quartz melts in high temperature sintering furnace to obtain high purity quartz molten mass in 1650-1800 DEG C, is cooled to 20-25 DEG C Cool down to obtain the high-purity vitreous silica of solid；The high-purity vitreous silica of solid is sent into crusher in crushing into quartz sand；By quartzite sand grind, It is ground into the silicon powder that granularity is 300-2000 mesh；Silicon powder after ground machine grinding is sent into magnetic separator, by silicon powder Grain separate removing, and remaining is that granularity is that 300-2000 mesh degree of purity is 99%-99.9% silicon powders；
（2）The preparation of phosphorus slag, after phosphorus slag powder and desulfurated plaster are crushed, after being mixed with metakaolin by defined weight ratio with water Slurries are obtained, are then ground into slurry in wet-milling grinding machine；Metakaolin passes through temperature of the grinding at 1100-1400 DEG C for kaolin Phosphorus slag is made in the lower calcining 5.0-7.0h postcoolings of degree；Wherein, SiO in metakaolin2With Al2O3The sum of mass percentage >= 30wt%, specific surface area >=2000m2/kg；
（3）Manganese slag includes aggregate, powder and additive；Aggregate is made of corundum, magnesium aluminate spinel；Powder is by α-Al2O3Powder, Magnesium ground-slag, flyash, manganese ground-slag composition；Additive is water soluble phenol resin；Aggregate includes coarse aggregate, middle aggregate, fine aggregate, The particle diameter of coarse aggregate is 1.6-2.0mm, and the particle diameter of middle aggregate is 1-1.5mm, and the particle diameter of fine aggregate is 0.1- 0.5mm；Coarse aggregate, middle aggregate, the fine aggregate of corresponding particle diameter, magnesium are obtained after corundum, magnesium aluminate spinel mixing by attrition grinding Ground-slag, flyash, manganese ground-slag are obtained by grinding；Aggregate and powder are mixed after grinding, while add additive and stir Mix and manganese slag uniformly is made；
（4）Silicon powder, phosphorus slag, manganese slag are taken, is sent into mixer and stirs evenly, whipping temp is gradually increased to 60 DEG C by 20-25 DEG C； Add K2O and Na2O, stirs evenly, and whipping temp is gradually increased to 120 DEG C by 20-25 DEG C；20-25 DEG C is cooled to, it is even to add silane Join agent kh560 and ammonium hydroxide, continue high-speed stirred 0.5-0.6h, make to be sufficiently mixed, when being gradually increased to 128-132 DEG C by 20-25 DEG C, Stop stirring, allow it to be naturally cooling to 20-25 DEG C, obtain the active micro mist that granularity is 300-2000 mesh；
（5）Granularity is sent into gas flow sizing machine for the active micro mist of 300-2000 mesh, under the action of air-flow, by 300-800 Mesh, 800-1500 mesh, 1500-2000 mesh active micro mist successively from grader export, obtain finished product after pack.
The present invention also has following additional technical feature：
Preferably, the weight item proportioning of active micro mist is：Silicon powder is 70-90 parts；K2O is 15-20 parts；Na2O is 15-20 Part；Phosphorus slag is 35-60 parts；Manganese slag is 10-30 parts；Silane coupling agent kh560 is 10-35 parts；Ammonium hydroxide is 1-3 parts.
Preferably, it is 20-30 parts of aggregates that manganese slag, which includes mass fraction, 70-80 parts of powders, 10-15 parts of additives.
Preferably, the ammon amount of ammonium hydroxide is 26%-40%.
Preferably, step（1）The rotating speed of middle grinder is 200r/min；Step（2）Wet-milling grinding machine is ground in the preparation of phosphorus slag The time of mill is 12-20min；Step（3）The time of middle mixing is 30-45min；Step（4）The rotating speed of middle mixer is 880-920r/min。
Compared to the prior art the present invention, the advantage is that：The production method using common apparatus, simple production process, Working condition is gentle, is discharged without toxic and harmful gas and liquid, can be mass and produces the active micro mist of high quality.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.
Embodiment
The exemplary embodiment of the disclosure will be described in detail belows.
The weight item of active micro mist matches：Silicon powder is 70-90 parts；K2O is 15-20 parts；Na2O is 15-20 parts；Phosphorus Slag is 35-60 parts；Manganese slag is 10-30 parts；Silane coupling agent kh560 is 10-35 parts；Ammonium hydroxide is 1-3 parts.
A kind of preparation method of activity micro mist, includes following steps：
（1）High purity quartz melts in high temperature sintering furnace to obtain high purity quartz molten mass in 1650-1800 DEG C, is cooled to 20-25 DEG C Cool down to obtain the high-purity vitreous silica of solid；The high-purity vitreous silica of solid is sent into crusher in crushing into quartz sand；By quartzite sand grind, It is ground into the silicon powder that granularity is 300-2000 mesh；Silicon powder after ground machine grinding is sent into magnetic separator, by silicon powder Grain separate removing, and remaining is that granularity is that 300-2000 mesh degree of purity is 99%-99.9% silicon powders.
Step（1）The rotating speed of middle grinder is 200r/min.
（2）After the preparation of phosphorus slag crushes phosphorus slag powder and desulfurated plaster, mixed with metakaolin by defined weight ratio with water Slurries are obtained after conjunction, are then ground into slurry in wet-milling grinding machine；Metakaolin is for kaolin by grinding at 1100-1400 DEG C At a temperature of calcine 5.0-7.0h postcoolings phosphorus slag is made；Wherein, SiO in metakaolin2With Al2O3Mass percentage it With >=30wt%, specific surface area >=2000m2/kg.
Step（2）The time of middle wet-milling grinding machine grinding is 12-20min.
（3）It is 20-30 parts of aggregates that manganese slag, which includes mass fraction, 70-80 parts of powders, 10-15 parts of additives.Aggregate is by firm Beautiful, magnesium aluminate spinel composition；Powder is by α-Al2O3Powder, magnesium ground-slag, flyash, manganese ground-slag composition；Additive is water soluble phenolic Resin；Aggregate includes coarse aggregate, middle aggregate, fine aggregate, and the particle diameter of coarse aggregate is 1.6-2.0mm, and the particle of middle aggregate is straight Footpath is 1-1.5mm, and the particle diameter of fine aggregate is 0.1-0.5mm；Obtained after corundum, magnesium aluminate spinel mixing by attrition grinding Coarse aggregate, middle aggregate, the fine aggregate of corresponding particle diameter, magnesium ground-slag, flyash, manganese ground-slag are obtained by grinding；Bone after grinding Material and powder are mixed, while add additive and stir evenly and manganese slag is made.
Step（3）The time of middle mixing is 30-45min.
（4）Silicon powder, phosphorus slag, manganese slag are taken, is sent into mixer and stirs evenly, whipping temp is gradually increased to by 20-25 DEG C 60℃；Add K2O and Na2O, stirs evenly, and whipping temp is gradually increased to 120 DEG C by 20-25 DEG C；20-25 DEG C is cooled to, is added Silane coupling agent kh560 and ammonium hydroxide, continue high-speed stirred 0.5-0.6h, make to be sufficiently mixed, 128- is gradually increased to by 20-25 DEG C At 132 DEG C, stop stirring, allow it to be naturally cooling to 20-25 DEG C, obtain the active micro mist that granularity is 300-2000 mesh.
Step（4）The rotating speed of middle mixer is 880-920r/min.The ammon amount of ammonium hydroxide is 26%-40%.
（5）Granularity is sent into gas flow sizing machine for the active micro mist of 300-2000 mesh, under the action of air-flow, by 300- 800 mesh, 800-1500 mesh, 1500-2000 mesh active micro mist successively from grader export, obtain finished product after pack.
In order to ensure the applicability of the preparation method of this activity micro mist, micro mist performance is tested, collects correlation test Data, and according to《Standard for test methods of mechanical properties of ordinary concrete》GB/T50081-2002 and《Normal concrete chronicity Can be with endurance quality test method standard》The micro mist of GB/T50082-2009 systematic research different addition quantities is to different labels coagulation The feasibility of native performance improvement, to the concrete durability after incorporation micro mist, workability, shrinkage value, intensity, frost resistance（50 It is secondary）, the performance such as impermeability compare and analyze, the improvement that performance in concrete is used in the micro mist is evaluated.
Active micropowder technology index is as shown in table 1.
1 glue sand of table matches
Active micro mist prepared by the preparation method of activity micro mist according to the invention, by detection, draws such as the testing number of table 2 According to.
Table 2 detects data

Claims (5)

1. a kind of preparation method of activity micro mist, it is characterised in that include following steps：
（1）High purity quartz melts in high temperature sintering furnace to obtain high purity quartz molten mass in 1650-1800 DEG C, is cooled to 20-25 DEG C The high-purity vitreous silica of solid is cooled down to obtain, the high-purity vitreous silica of solid is sent into crusher in crushing into quartz sand；By quartz sand with grinding Grinding machine is ground, and is ground into the silicon powder that granularity is 300-2000 mesh；Silicon powder is sent into magnetic separator, will be miscellaneous in silicon powder particle Matter separate removing, and remaining is that granularity is that 300-2000 mesh degree of purity is 99%-99.9% silicon powders；
（2）The preparation of phosphorus slag；After phosphorus slag powder and desulfurated plaster are crushed, after being mixed with metakaolin by defined weight ratio with water Slurries are obtained, are then ground into slurry in wet-milling grinding machine；The metakaolin is for kaolin by grinding in 1100-1400 5.0-7.0h postcoolings are calcined at a temperature of DEG C phosphorus slag is made；Wherein, SiO in metakaolin2With Al2O3Mass percentage The sum of >=30wt%, specific surface area >=2000m2/kg；
（3）Manganese slag includes aggregate, powder and additive；Aggregate is made of corundum, magnesium aluminate spinel；Powder is by α-Al2O3Powder, Magnesium ground-slag, flyash and manganese ground-slag composition；Additive is water soluble phenol resin；Aggregate includes coarse aggregate, middle aggregate, thin bone Material, the particle diameter of coarse aggregate is 1.6-2.0mm, and the particle diameter of middle aggregate is 1-1.5mm, and the particle diameter of fine aggregate is 0.1-0.5mm；Coarse aggregate, middle aggregate, the thin bone of corresponding particle diameter are obtained after corundum, magnesium aluminate spinel mixing by attrition grinding Material, magnesium ground-slag, flyash, manganese ground-slag are obtained by grinding；Aggregate and powder are mixed after grinding, while add additional Agent, which stirs evenly, is made manganese slag；
（4）Silicon powder, phosphorus slag, manganese slag are taken, is sent into mixer and stirs evenly, whipping temp is gradually increased to 60 DEG C by 20-25 DEG C； Add K2O and Na2O, stirs evenly, and whipping temp is gradually increased to 120 DEG C by 20-25 DEG C；20-25 DEG C is cooled to, it is even to add silane Join agent kh560 and ammonium hydroxide, continue high-speed stirred 0.5-0.6h, make to be sufficiently mixed, when being gradually increased to 128-132 DEG C by 20-25 DEG C, Stop stirring, allow it to be naturally cooling to 20-25 DEG C, obtain the active micro mist that granularity is 300-2000 mesh；
（5）Granularity is sent into gas flow sizing machine for the active micro mist of 300-2000 mesh, under the action of air-flow, by 300-800 Mesh, 800-1500 mesh, 1500-2000 mesh active micro mist successively from grader export, obtain finished product after pack.
2. the preparation method of activity micro mist according to claim 1, it is characterised in that the weight item proportioning of active micro mist For：Silicon powder is 70-90 parts；K2O is 15-20 parts；Na2O is 15-20 parts；Phosphorus slag is 35-60 parts；Manganese slag is 10-30 parts；Silane Coupling agent kh560 is 10-35 parts；Ammonium hydroxide is 1-3 parts.
3. the preparation method of activity micro mist according to claim 1, it is characterised in that manganese slag includes mass fraction and is 20-30 parts of aggregates, 70-80 parts of powders, 10-15 parts of additives.
4. the preparation method of activity micro mist according to claim 1, it is characterised in that the ammon amount of ammonium hydroxide is 26%- 40%.
5. the preparation method of activity micro mist according to claim 1, it is characterised in that step（1）Described in grinder Rotating speed is 200r/min；Step（2）The time that wet-milling grinding machine is ground in the preparation of phosphorus slag is 12-20min；Step（3）Middle mixing The time of stirring is 30-45min；Step（4）The rotating speed of middle mixer is 880-920r/min.
CN201711341145.8A 2017-12-14 2017-12-14 A kind of preparation method of activity micro mist Pending CN107986659A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113105202A (en) * 2021-04-15 2021-07-13 武汉中科固废资源产业技术研究院有限公司 Full-solid waste material and preparation method and application thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742527A (en) * 1980-08-25 1982-03-10 Central Glass Co Ltd Preparation of lithium-containing high molar ratio sodium silicate
CN104402464A (en) * 2014-10-28 2015-03-11 宁夏天纵泓光余热发电技术有限公司 Fireproof castable made of magnesium slag and manganese slag
CN104445226A (en) * 2013-09-22 2015-03-25 新沂市宏润石英硅微粉有限公司 Production method of active silicon micropowder
CN104860323A (en) * 2014-02-23 2015-08-26 新沂市宏润石英硅微粉有限公司 Semiconductor nano-scale high-purity silicon micro-powder production method
CN105693119A (en) * 2016-02-02 2016-06-22 武汉理工大学 Modified phosphorus slag powder, and preparation method and application thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742527A (en) * 1980-08-25 1982-03-10 Central Glass Co Ltd Preparation of lithium-containing high molar ratio sodium silicate
CN104445226A (en) * 2013-09-22 2015-03-25 新沂市宏润石英硅微粉有限公司 Production method of active silicon micropowder
CN104860323A (en) * 2014-02-23 2015-08-26 新沂市宏润石英硅微粉有限公司 Semiconductor nano-scale high-purity silicon micro-powder production method
CN104402464A (en) * 2014-10-28 2015-03-11 宁夏天纵泓光余热发电技术有限公司 Fireproof castable made of magnesium slag and manganese slag
CN105693119A (en) * 2016-02-02 2016-06-22 武汉理工大学 Modified phosphorus slag powder, and preparation method and application thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113105202A (en) * 2021-04-15 2021-07-13 武汉中科固废资源产业技术研究院有限公司 Full-solid waste material and preparation method and application thereof
CN113105202B (en) * 2021-04-15 2022-07-12 武汉中科固废资源产业技术研究院有限公司 Full-solid waste material and preparation method and application thereof

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Application publication date: 20180504