CN115818991A - Cementing material and preparation method thereof - Google Patents
Cementing material and preparation method thereof Download PDFInfo
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- CN115818991A CN115818991A CN202211438140.8A CN202211438140A CN115818991A CN 115818991 A CN115818991 A CN 115818991A CN 202211438140 A CN202211438140 A CN 202211438140A CN 115818991 A CN115818991 A CN 115818991A
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- turbine
- cementitious material
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- 239000000463 material Substances 0.000 title claims abstract description 74
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 229910052599 brucite Inorganic materials 0.000 claims abstract description 11
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- 238000000227 grinding Methods 0.000 claims description 51
- 239000000843 powder Substances 0.000 claims description 35
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 239000002245 particle Substances 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 5
- 229960002089 ferrous chloride Drugs 0.000 claims description 5
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 5
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 claims description 2
- 238000001354 calcination Methods 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 5
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000395 magnesium oxide Substances 0.000 abstract description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract description 4
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000460 chlorine Substances 0.000 abstract description 3
- 229910052801 chlorine Inorganic materials 0.000 abstract description 3
- 239000002105 nanoparticle Substances 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 3
- 239000000347 magnesium hydroxide Substances 0.000 description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
Classifications
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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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- Crushing And Grinding (AREA)
Abstract
The invention discloses a cementing material and a preparation method thereof, wherein the cementing material comprises the following components: magnesium oxide, aluminum oxide and nano ferroferric oxide, wherein the mass fraction percentage of the magnesium oxide to the aluminum oxide is 1:1, the mol percentage of the nano ferroferric oxide is 2 to 20 percent. The hydrated magnesium oxide and aluminum oxide coating film of the gel material is more compact, so that the contact of external gas and a metal component is reduced, and meanwhile, ferroferric oxide nanoparticles are gathered and coated on the metal component, so that the metal component is further prevented from being corroded by chlorine; the preparation method of the gel material mainly utilizes brucite waste fine ore, recycles the mine resource, has low production cost, and avoids secondary dust pollution caused by stacking natural brucite waste everywhere.
Description
Technical Field
The invention relates to the field of cementing materials, in particular to a cementing material and a preparation method thereof.
Background
Cementitious materials, also known as cements. Under the physical and chemical action, it can be changed into firm stone-like body from slurry, and can be used for cementing other materials, so that it can be made into the composite solid matter with a certain mechanical strength. In civil engineering materials, any material capable of bonding granular or block materials into a whole through a series of physical and chemical changes is called a gelled material. The cementing material is a material which can bond loose or blocky materials into a whole in the process of changing plastic slurry into hard stone by the physical and chemical action of the cementing material, and is also called as a cementing material.
The cementing material used by the building mostly has the characteristic of porous structure, chloride ions can enter the interior of the member to initiate the expansion of the cement-based member to generate cracks and the corrosion of the metal member, the service life of the building is seriously influenced, and the cementing material with high corrosion resistance has high price and is difficult to popularize and use in a large range. Meanwhile, the total recovery rate of mineral resources in China is only about 30%, a large amount of resources in non-metal ores are lost in waste powder ores only 20-60%, brucite ores in China mostly are in multicomponent co-association, the mineral embedding granularity is small, and secondary ores are mostly discarded and are not used, so that the resource waste is caused, and meanwhile, the powder ore wastes are stacked in four places to easily cause secondary dust pollution.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a cementing material and a preparation method thereof. The present invention solves the problems mentioned in the background art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method of preparing a cementitious material, the method comprising the steps of:
the method comprises the following steps: adding brucite powder ore into cementing material preparation equipment for treatment to obtain powder with the particle size of 5-10 mu m;
step two: uniformly mixing ferric chloride and ferrous chloride powder with the powder obtained in the step one to obtain a uniform mixture;
step three: adding water and a sodium hydroxide solution into the uniformly mixed mixture at the temperature of 45-60 ℃, stirring for 1.5-9 h, precipitating, washing, filtering and drying after stirring;
step four: and adding the dried powder into aluminum hydroxide powder, uniformly mixing, and calcining the uniformly mixed mixture for 2-9 h at 450-700 ℃ under the protection of argon.
As a preferred technical scheme of the invention, the magnesium hydroxide powder comprises, by weight, 19-26 parts of brucite powder, 6-10 parts of ferrous chloride, 8-13 parts of ferric chloride and 20-26 parts of aluminum hydroxide.
As a preferred technical scheme of the invention, in the second step, the weight part of sodium hydroxide in the sodium hydroxide solution is more than 39 parts, and the particle size of the nano ferroferric oxide in the third step is 8-10 nm.
As a preferred technical scheme of the present invention, the gel material preparation apparatus used in step one comprises a first housing, a first motor is arranged on the upper portion of the first housing, a connecting shaft is connected to the lower portion of the first motor, the first motor is connected to a first classification wheel and a first turbine through a first connecting shaft, a driving wheel is arranged at the bottom of the first connecting shaft, a grinding cavity is arranged inside the first housing, a first gear shaft is arranged on the upper portion of the grinding cavity, the first gear shaft is matched with the driving wheel, grinding balls are arranged on the lower portion of the first gear shaft, the grinding balls are matched with the lower portion of the grinding cavity, the lower portion of the grinding cavity is communicated with the inside of the first housing, a feeding pipe is arranged outside the first housing, the feeding pipe is communicated with the grinding cavity, a first air inlet pipe is arranged on the first housing, and the first air inlet pipe is communicated with the inside of the first housing;
first casing upper portion is provided with first discharge gate, first casing is connected with the second casing through first discharge gate, second casing one side is provided with the second motor, the second motor is connected with the second classification wheel through the second connecting axle, the second casing outside is provided with the second discharge gate, second casing lower part is provided with second intake pipe and third discharge gate.
As a preferred technical solution of the present invention, a turbine beam is disposed inside the first housing, a second gear shaft is disposed at a lower portion of the turbine beam, the second gear shaft is in transmission connection with the driving wheel, and a second turbine is disposed at a lower portion of the second gear shaft.
As a preferable technical scheme of the invention, a fine material discharge port is arranged at the lower part of the grinding cavity, a discharge channel is arranged at the lower part of the fine material discharge port, and the discharge channel is matched with the second turbine.
As a preferable technical solution of the present invention, the first intake duct is disposed at a position close to the turbine beam outside the first casing, the first intake duct is disposed to be inclined upward, the second intake duct is disposed outside the second casing, and the second intake duct is disposed to be inclined upward.
As a preferred technical scheme of the invention, the lower part of the grinding cavity is provided with a heat exchange device in a surrounding manner, the outside of the first shell is provided with communicating pipes, the heat exchange device is connected with the communicating pipes, and the number of the communicating pipes is two.
As a preferred technical scheme of the invention, the grinding cavity, the turbine beam, the first gear shaft, the grinding balls, the fine material discharge port, the discharge channel, the feeding pipe, the second gear shaft and the second turbine are respectively provided with two groups.
The invention has the beneficial effects that:
1. the hydrated magnesium oxide and aluminum oxide coating film of the gel material is more compact, reduces the contact of outside gas and metal components, and simultaneously, ferroferric oxide nanoparticles are gathered and coated on the metal component, thereby further avoiding the metal components from suffering chlorine corrosion.
2. The preparation method of the gel material mainly utilizes brucite waste fine ore, recycles the mine resource, has low production cost, and avoids secondary dust pollution caused by stacking natural brucite waste everywhere.
3. The preparation method of the gel material comprises the steps that a first motor is arranged to drive a first connecting shaft to rotate, the first connecting shaft drives a driving wheel to rotate, grinding balls move through the driving wheel, materials fed from a feeding hole are ground, ground fine powder is close to a second turbine through a fine material discharging hole, the fine powder is prevented from being accumulated to influence a subsequent grinding effect, compressed gas fed through the second turbine and a first air inlet forms a cyclone, the first turbine drives the fine materials to be close to a first grading wheel, the fine powder is convenient to collect, the cyclone drives the fine materials to reach the position of the first grading wheel, the first connecting shaft drives the first grading wheel to move, the first grading wheel allows particles with the particle size of less than or equal to 10 mu m to pass through, the particles passing through the first grading wheel to enter a second shell, compressed air is fed into the second shell through the second air inlet, the second motor drives the second grading wheel to move, the second grading wheel allows particles with the particle size of less than or equal to 5 mu m to pass through, the particles with the particle size of more than 5 mu m pass through a third discharging hole and are collected by a cyclone collector, and the dust content of discharged gas is prevented from passing through a cloth bag.
4. The preparation method of the gel material of the invention fixes the bearing seat and the bearing which are arranged on the turbine beam by arranging the second gear shaft, and the second turbine forms upward airflow, thereby avoiding the particles with the diameter larger than 10 μm from falling and depositing in the first shell and promoting the raised particles which can not pass through the first grading wheel to fall back to the grinding cavity to be ground again.
5. According to the preparation method of the gel material, fine materials fall under the action of gravity and are close to the second turbine along the discharging channel, so that the influence of fine powder accumulation on the subsequent grinding effect is avoided, and the collection of fine powder is facilitated.
6. According to the preparation method of the gel material, the flow direction of compressed air is adjusted by arranging the inclined air inlet pipe, so that powder is convenient to collect.
7. According to the preparation method of the gel material, the heat exchange tubes are arranged to prevent the service life of the grinding balls from being influenced by overheating of the grinding cavity.
8. According to the preparation method of the gel material, two groups of grinding assemblies are arranged to improve the grinding efficiency, and two groups of turbine assemblies are arranged to improve the fine powder collection efficiency.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a first housing according to an embodiment of the present invention;
fig. 3 is a schematic sectional view of a second housing according to an embodiment of the invention.
In the figure: 1. a first housing; 11. a first motor; 12. a first connecting shaft; 121. a first classification wheel; 122. a first turbine; 123. a driving wheel; 13. a grinding chamber; 131. a first gear shaft; 132. grinding balls; 133. a fine material discharge port; 134. a discharge channel; 14. a feeding pipe; 15. a first intake pipe; 16. a first discharge port; 17. a turbine beam; 171. a second gear shaft; 172. a second turbine; 18. a heat exchange device; 181. a communicating pipe; 2. a second housing; 21. a second motor; 22. a second classification wheel; 23. a second discharge port; 24. a second intake pipe; 25. and a third discharge hole.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments.
As shown in fig. 1-3, the present invention provides the following technical solutions:
example 1, step one, brucite powder ore is added into the preparation equipment through the feeding pipe 14, and after brucite powder with the particle size of 0-5 μm is ground by the grinding ball 132, compressed air entering from the first air inlet pipe 15, the second turbine 172 and the first turbine 122 jointly act and enter the second shell 2 through the first grading wheel 121; step two, uniformly mixing the magnesium hydroxide powder collected by the third discharge port 25 with ferric chloride and ferrous chloride powder, wherein the magnesium hydroxide is 800 g, the ferrous oxide is 138 g, and the ferric oxide is 177 g; step three, mixing the mixed powder obtained in the step two with water and a sodium hydroxide solution at 55 ℃, wherein the mass of the sodium hydroxide is 394 g, stirring, precipitating, washing, filtering and drying after stirring for 2h, so that ferric ions and ferrous ions generate nano ferroferric oxide under the action of hydroxyl; step four, 653 grams of aluminum hydroxide is added into the mixture, the mixture is calcined for 2.5 hours at 600 ℃ under the protection of argon, a gel material with the functional bodies of nano sodium hydroxide and activated alumina and the matrix of activated magnesium oxide is obtained, the grain diameter of the ferroferric oxide in the gel material is about 10nm, the alumina in the gel material is hydrated to enable the tissue to be more compact, the contact of outside gas and metal parts is reduced, and meanwhile, the ferroferric oxide nano particles are gathered and coated on the metal component, so that the metal parts are further prevented from being corroded by chlorine.
In this embodiment, a first casing 1 of a gel material preparation apparatus used in the first step is provided, a first motor 11 is disposed on an upper portion of the first casing 1, a connecting shaft is connected to a lower portion of the first motor 11, the first motor 11 is connected to a first classification wheel 121 and a first turbine 122 through a first connecting shaft 12, a driving wheel 123 is disposed at a bottom of the first connecting shaft 12, a grinding cavity 13 is disposed inside the first casing 1, a first gear shaft 131 is disposed on an upper portion of the grinding cavity 13, the first gear shaft 131 is matched with the driving wheel 123, a grinding ball 132 is disposed on a lower portion of the first gear shaft 131, the grinding ball 132 is matched with a lower portion of the grinding cavity 13, a lower portion of the grinding cavity 13 is communicated with an inside of the first casing 1, a feeding pipe 14 is disposed outside the first casing 1, the feeding pipe 14 is communicated with the grinding cavity 13, a first air inlet pipe 15 is disposed on the first casing 1, and the first air inlet pipe 15 is communicated with an inside of the first casing 1;
the upper portion of the first shell 1 is provided with a first discharge hole 16, the first shell 1 is connected with a second shell 2 through the first discharge hole 16, one side of the second shell 2 is provided with a second motor 21, the second motor 21 is connected with a second classification wheel 22 through a second connecting shaft, a second discharge hole 23 is arranged outside the second shell 2, and a second air inlet pipe 24 and a third discharge hole 25 are arranged on the lower portion of the second shell 2. The first motor 11 drives the first connecting shaft 12 to rotate, the first connecting shaft 12 drives the driving wheel 123 to rotate, the driving wheel 123 enables the grinding balls 132 to move, materials input from the feeding port are ground, the ground fine powder approaches the second turbine 172 through the fine material discharging port 133, the fine powder is prevented from being accumulated and affecting subsequent grinding effects, the second turbine 172 and compressed gas introduced from the first air inlet form a cyclone, the first turbine 122 drives the fine powder to approach the first grading wheel 121, the fine powder is convenient to collect, the cyclone drives the fine powder to reach the position of the first grading wheel 121, the first connecting shaft 12 drives the first grading wheel 121 to move, the first grading wheel 121 allows particles with the particle size of less than or equal to 10 microns to pass through, the particles with the particle size of more than or equal to 10 microns to enter the second shell 2 through the first grading wheel 121, compressed air is introduced into the second shell 2 through the second air inlet, the second motor 21 drives the second grading wheel 22 to move, the second grading wheel 22 allows particles with the particle size of less than or equal to pass through, the particle size of less than or equal to pass through the third grading wheel 25, the particles with the particle size of more than or equal to be collected by the cyclone collector, and the dust is prevented from being discharged from the bag 23, and collected by the bag.
In this embodiment, a turbine beam 17 is disposed inside the first casing 1, a second gear shaft 171 is disposed at a lower portion of the turbine beam 17, the second gear shaft 171 is in transmission connection with the drive wheel 123, and a second turbine 172 is disposed at a lower portion of the second gear shaft 171. The bearing seat of the second gear shaft 171 arranged on the turbine beam 17 is fixed with the bearing, and the second turbine 172 forms upward airflow, so that particles larger than 10 microns are prevented from falling and depositing in the first shell 1, and raised particles which cannot pass through the first classifier wheel 121 fall back to the grinding cavity 13 to be ground again.
In this embodiment, the lower portion of the grinding chamber 13 is provided with a fine material outlet 133, the lower portion of the fine material outlet 133 is provided with a material outlet channel 134, and the material outlet channel 134 is matched with the second turbine 172. The fine materials fall under the action of gravity and are close to the second turbine 172 along the discharge channel 134, so that the fine powder accumulation is avoided from influencing the subsequent grinding effect, and the fine powder collection is facilitated.
In the present embodiment, the first intake duct 15 is disposed at a position close to the turbine beam 17 outside the first casing 1, the first intake duct 15 is disposed obliquely upward, the second intake duct 24 is disposed outside the second casing 2, and the second intake duct 24 is disposed obliquely upward. The inclined air inlet pipe adjusts the flow direction of the compressed air, so that the powder is convenient to collect.
In this embodiment, the lower portion of the grinding chamber 13 is provided with the heat exchange device 18 in a surrounding manner, the communication pipe 181 is arranged outside the first housing 1, the heat exchange device 18 is connected to the communication pipe 181, and the number of the communication pipes 181 is two. The heat exchange tube is arranged to prevent the grinding chamber 13 from overheating and affecting the service life of the grinding balls 132.
In this embodiment, two sets of the grinding chamber 13, the turbine beam 17, the first gear shaft 131, the grinding balls 132, the fine material outlet 133, the material outlet channel 134, the feeding pipe 14, the second gear shaft 171, and the second turbine 172 are provided. Set up two sets of grinding component and improve grinding efficiency, set up two sets of turbine assembly and improve the farine collection efficiency.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for the purpose of describing the present invention but do not require that the present invention must be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" in the present invention should be interpreted broadly, and may be connected or disconnected, for example; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific conditions by those skilled in the art.
The above description is of the preferred embodiment of the present invention, and the description of the specific embodiment is only for better understanding of the idea of the present invention. It will be appreciated by those skilled in the art that various modifications and equivalents may be made in accordance with the principles of the invention and are considered to be within the scope of the invention.
Claims (10)
1. A method of preparing a cementitious material, the method comprising the steps of:
the method comprises the following steps: adding brucite powder ore into cementing material preparation equipment for treatment to obtain powder with the particle size of 5-10 mu m;
step two: uniformly mixing ferric chloride and ferrous chloride powder with the powder obtained in the step one to obtain a uniform mixture;
step three: adding water and a sodium hydroxide solution into the uniformly mixed mixture at 45-60 ℃, stirring for 1.5-9 h, and precipitating, washing, filtering and drying to obtain dry powder;
step four: and adding the dried powder into aluminum hydroxide powder, uniformly mixing, and calcining the uniformly mixed mixture for 2-9 h at 450-700 ℃ under the protection of argon.
2. The method for preparing a cementitious material according to claim 1, wherein the cementitious material comprises, by weight, 39 to 52 parts of brucite powder, 6 to 21 parts of ferrous chloride, 8 to 26 parts of ferric chloride, and 32 to 43 parts of aluminum hydroxide.
3. The preparation method of the cementing material of claim 2, wherein the weight portion of sodium hydroxide in the sodium hydroxide solution in the third step is more than 19, and the particle size of the nano ferroferric oxide in the third step is 8-10 nm.
4. A method for preparing a cementitious material as claimed in claim 3, wherein the apparatus for preparing a cementitious material used in step one comprises a first housing (1), a first motor (11) is disposed on the upper portion of the first housing (1), a connecting shaft is connected to the lower portion of the first motor (11), the first motor (11) is connected to a first grading wheel (121) and a first turbine (122) through a first connecting shaft (12), wherein a driving wheel (123) is disposed at the bottom of the first connecting shaft (12), a grinding chamber (13) is disposed inside the first housing (1), a first gear shaft (131) is disposed on the upper portion of the grinding chamber (13), the first gear shaft (131) is engaged with the driving wheel (123), grinding balls (132) are disposed on the lower portion of the first gear shaft (131), the grinding balls (132) are engaged with the lower portion of the grinding chamber (13), the lower portion of the grinding chamber (13) is communicated with the inside of the first housing (1), a feed pipe (14) is disposed outside the first housing (1), a first air inlet pipe (15) is disposed on the first housing (1);
first casing (1) upper portion is provided with first discharge gate (16), first casing (1) is connected with second casing (2) through first discharge gate (16), second casing (2) one side is provided with second motor (21), second motor (21) are connected with second classification wheel (22) through the second connecting axle, second casing (2) outside is provided with second discharge gate (23), second casing (2) lower part is provided with second intake pipe (24) and third discharge gate (25).
5. The method for preparing a cementitious material according to claim 4, wherein a turbine beam (17) is arranged inside the first casing (1), a second gear shaft (171) is arranged at the lower part of the turbine beam (17), the second gear shaft (171) is in transmission connection with the driving wheel (123), and a second turbine (172) is arranged at the lower part of the second gear shaft (171).
6. A method for preparing a cementitious material as claimed in claim 5, wherein said grinding chamber (13) is provided with a fine material outlet (133) at the lower part thereof, said fine material outlet (133) is provided with a material outlet channel (134) at the lower part thereof, said material outlet channel (134) being engaged with said second turbine (172).
7. A method for preparing a cementitious material as claimed in claim 6, characterised in that said first air inlet duct (15) is arranged close to the turbine beam (17) outside the first shell (1), said first air inlet duct (15) being arranged inclined upwards, said second air inlet duct (24) being arranged outside the second shell (2), said second air inlet duct (24) being arranged inclined upwards.
8. The method for preparing a cementitious material as claimed in claim 7, characterized in that the grinding chamber (13) is provided with heat exchange means (18) at the lower part thereof, and the first housing (1) is provided with communicating pipes (181) at the outside thereof, wherein the heat exchange means (18) are connected to the communicating pipes (181), and the number of the communicating pipes (181) is two.
9. The method for preparing a cementitious material as claimed in claim 8, characterised in that the grinding chamber (13), the turbine beam (17), the first gear shaft (131), the grinding balls (132), the fine material outlet (133), the outlet channel (134), the inlet pipe (14), the second gear shaft (171) and the second turbine (172) are provided in two groups.
10. A cementitious material, characterised in that it is produced by a method for producing a cementitious material according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211438140.8A CN115818991B (en) | 2022-11-16 | 2022-11-16 | Cementing material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211438140.8A CN115818991B (en) | 2022-11-16 | 2022-11-16 | Cementing material and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN115818991A true CN115818991A (en) | 2023-03-21 |
| CN115818991B CN115818991B (en) | 2024-02-27 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB774177A (en) * | 1952-07-24 | 1957-05-08 | Hoerder Huettenunion Ag | Improvements in or relating to sinter magnesia |
| CN106076261A (en) * | 2016-06-17 | 2016-11-09 | 董凤良 | A kind of adsorbent for heavy metal and preparation method and application |
| CN114082501A (en) * | 2021-11-19 | 2022-02-25 | 广东凯金新能源科技股份有限公司 | Airflow classification crushing equipment for processing soft carbon anode material |
| CN115180851A (en) * | 2022-08-02 | 2022-10-14 | 苏州北美国际高级中学 | Anti-chloride ion magnesium oxide based cementing material and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB774177A (en) * | 1952-07-24 | 1957-05-08 | Hoerder Huettenunion Ag | Improvements in or relating to sinter magnesia |
| CN106076261A (en) * | 2016-06-17 | 2016-11-09 | 董凤良 | A kind of adsorbent for heavy metal and preparation method and application |
| CN114082501A (en) * | 2021-11-19 | 2022-02-25 | 广东凯金新能源科技股份有限公司 | Airflow classification crushing equipment for processing soft carbon anode material |
| CN115180851A (en) * | 2022-08-02 | 2022-10-14 | 苏州北美国际高级中学 | Anti-chloride ion magnesium oxide based cementing material and preparation method thereof |
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| CN115818991B (en) | 2024-02-27 |
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