CN115818991B - Cementing material and preparation method thereof - Google Patents
Cementing material and preparation method thereof Download PDFInfo
- Publication number
- CN115818991B CN115818991B CN202211438140.8A CN202211438140A CN115818991B CN 115818991 B CN115818991 B CN 115818991B CN 202211438140 A CN202211438140 A CN 202211438140A CN 115818991 B CN115818991 B CN 115818991B
- Authority
- CN
- China
- Prior art keywords
- shell
- turbine
- grinding
- powder
- inlet pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000463 material Substances 0.000 title claims abstract description 58
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 42
- 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 10
- 238000000227 grinding Methods 0.000 claims description 52
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- 239000002245 particle Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 6
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 229960002089 ferrous chloride Drugs 0.000 claims description 4
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 4
- 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
- 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
- 238000001556 precipitation Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 10
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000000395 magnesium oxide Substances 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000460 chlorine Substances 0.000 abstract description 3
- 229910052801 chlorine Inorganic materials 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 abstract description 3
- 239000002105 nanoparticle Substances 0.000 abstract description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 11
- 238000013459 approach Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
- 239000000347 magnesium hydroxide Substances 0.000 description 2
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000001376 precipitating effect Effects 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
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- 229910001448 ferrous ion Inorganic materials 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000011812 mixed powder Substances 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
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- 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 percentage of the magnesium oxide to the aluminum oxide is 1:1, the mole percentage of the nano ferroferric oxide is 2-20%. The magnesia alumina coating film is more compact after the gel material is hydrated, so that the contact between external gas and a metal component is reduced, and ferroferric oxide nano particles are gathered and coated on the metal component, so that the metal component is further prevented from being subjected to chlorine corrosion; the preparation method of the gel material mainly utilizes brucite waste powder ore, recycles mine resources, has low production cost, and simultaneously avoids dust secondary pollution caused by the random stacking of natural brucite powder ore waste.
Description
Technical Field
The invention relates to the field of cementing materials, in particular to a cementing material and a preparation method thereof.
Background
Cementing materials, also known as cements. Under the physical and chemical actions, the slurry can be changed into a firm stone-like body, and other materials can be glued to prepare a compound solid substance with certain mechanical strength. In civil engineering materials, any material that can bind bulk or granular materials into a whole through a series of physical and chemical changes is called a cementing material. The cementing material is a material which can bond the bulk or block materials into a whole body in the process of changing the plastic slurry into a hard stone body through the physical and chemical actions of the cementing material, and is also called cementing material.
The cementing material used in the building has the characteristic of porous structure, chloride ions can enter the interior of the component to cause the expansion of the cement-based component to generate cracks and the corrosion of the metal component, the service life of the building is seriously influenced, and the high-corrosion-resistance cementing material 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 of nonmetallic ores are only lost in waste powder ores by 20-60%, the brucite ores in China are mostly multi-component co-associated, the granularity of mineral embedding is small, secondary ores are not used for disposal, the resources are wasted, and dust secondary pollution is easily caused by stacking the powder ore wastes everywhere.
Disclosure of Invention
The invention aims to overcome the defects in 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 for solving the technical problems is as follows:
a method for preparing a cementitious material, the method comprising the steps of:
step one: 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 sodium hydroxide solution into the uniformly mixed mixture at 45-60 ℃ for stirring for 1.5-9 h, and after stirring, precipitating, washing, filtering and drying;
step four: and adding aluminum hydroxide powder into the dried powder, uniformly mixing, and calcining the uniformly mixed mixture for 2-9 h under the protection of argon at 450-700 ℃.
As a preferable technical scheme of the invention, 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 are counted according to parts by weight.
As a preferable technical scheme of the invention, the weight part of sodium hydroxide in the sodium hydroxide solution in the second step is more than 39 parts, and the particle size of the nano ferroferric oxide in the third step is 8-10 nm.
As a preferable technical scheme of the invention, the cementing material preparation equipment used in the first step comprises a first shell, wherein a first motor is arranged at the upper part of the first shell, a connecting shaft is connected to the lower part of the first motor, the first motor is connected with a first grading wheel and a first turbine through the first connecting shaft, a driving wheel is arranged at the bottom of the first connecting shaft, a grinding cavity is arranged in the first shell, a first gear shaft is arranged at the upper part of the grinding cavity and is matched with the driving wheel, grinding balls are arranged at the lower part of the first gear shaft and are matched with the lower part of the grinding cavity, the lower part of the grinding cavity is communicated with the inside of the first shell, a feeding pipe is arranged at the outer part of the first shell and is communicated with the grinding cavity, a first air inlet pipe is arranged on the first shell and is communicated with the inside of the first shell;
the utility model discloses a motor, including first casing, second motor, 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, 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 preferable technical scheme of the invention, a turbine beam is arranged in the first shell, a second gear shaft is arranged at the lower part of the turbine beam, the second gear shaft is in transmission connection with the driving wheel, and a second turbine is arranged at the lower part of the second gear shaft.
As a preferable technical scheme of the invention, the lower part of the grinding cavity is provided with a fine material discharging hole, the lower part of the fine material discharging hole is provided with a discharging channel, and the discharging channel is matched with the second turbine.
As a preferable technical scheme of the invention, the first air inlet pipe is arranged at a position close to the turbine beam outside the first shell, the first air inlet pipe is arranged obliquely upwards, the second air inlet pipe is arranged outside the second shell, and the second air inlet pipe is arranged obliquely upwards.
As a preferable technical scheme of the invention, the lower part of the grinding cavity is circumferentially provided with heat exchange devices, the outside of the first shell is provided with communicating pipes, the heat exchange devices are connected with the communicating pipes, and the number of the communicating pipes is two.
As a preferable technical scheme of the invention, the grinding cavity, the turbine beam, the first gear shaft, the grinding balls, the fine material discharging hole, the discharging channel, the feeding pipe, the second gear shaft and the second turbine are all provided with two groups.
The beneficial effects of the invention are as follows:
1. the magnesia alumina coating film is denser after the gel material is hydrated, the contact between external gas and a metal component is reduced, and ferroferric oxide nano particles are accumulated and coated on the metal component, so that the metal component is further prevented from being subjected to chlorine corrosion.
2. The preparation method of the gel material mainly utilizes brucite waste powder ore, recycles mine resources, has low production cost, and simultaneously avoids dust secondary pollution caused by the random stacking of natural brucite powder ore waste.
3. According to the preparation method of the gel material, the first motor is arranged to drive the first connecting shaft to rotate, the first connecting shaft drives the driving wheel to rotate, the grinding balls move through the driving wheel, the ground fine powder approaches the second turbine through the fine powder discharge port, the fine powder is prevented from accumulating to affect the subsequent grinding effect, the second turbine and compressed gas introduced into the first air inlet form a cyclone, the first turbine conveniently drives the fine powder to approach the first classification wheel to conveniently collect the fine powder, the cyclone drives the fine powder to reach the position of the first classification wheel, the first connecting shaft drives the first classification wheel to move, the first classification wheel allows particles with the particle size less than or equal to 10 mu m to pass through the first classification wheel, the particles passing through the first classification wheel enter the second shell, the second air inlet introduces compressed air into the second shell, the second motor drives the second classification wheel to move, the particles with the particle size less than or equal to 5 mu m are prevented from passing through the third discharge port, the particles with the particle size less than or equal to 5 mu m are collected by the cyclone collector, and the particles with the particle size less than or equal to 5 mu m are prevented from being excessively contained in the bag collector.
4. According to the preparation method of the gel material, the bearing seat arranged on the turbine beam is fixed with the bearing through the second gear shaft, the second turbine forms upward air flow, particles larger than 10 mu m are prevented from falling and depositing in the first shell, and raised particles which cannot fall back to the grinding cavity through the first grading wheel are promoted to be ground again.
5. According to the preparation method of the gel material, the fine materials fall under the action of gravity and approach the second turbine along the discharging channel, so that the influence of fine powder accumulation on the subsequent grinding effect is avoided, and the fine powder collection is facilitated.
6. According to the preparation method of the gel material, the compressed air flow direction 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 tube is arranged to avoid the influence of overheating of the grinding cavity on the service life of the grinding ball.
8. According to the preparation method of the gel material, the grinding efficiency is improved by arranging two groups of grinding components, and the fine powder collecting efficiency is improved by arranging two groups of turbine components.
Drawings
FIG. 1 is a schematic 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 cross-sectional view of a second housing according to an embodiment of the present 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 outlet; 134. a discharge channel; 14. a feed pipe; 15. a first air inlet 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 air inlet pipe; 25. and a third discharge port.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in fig. 1-3, the present invention provides the following technical solutions:
in example 1, step one, brucite powder ore is added into a preparation device through a feed pipe 14, and after 0-5 mu m brucite powder is ground by a grinding ball 132, compressed air entering from a first air inlet pipe 15, a second turbine 172 and a first turbine 122 jointly act and enter a second shell 2 through a first classification wheel 121; uniformly mixing the powder magnesium hydroxide collected by the third discharge hole 25, ferric chloride and ferric chloride powder, wherein 800 g of magnesium hydroxide, 138 g of ferrous oxide and 177 g of ferric oxide; mixing the mixed powder obtained in the step two with water and sodium hydroxide solution at 55 ℃, wherein the mass of sodium hydroxide is 394 g, stirring, precipitating after stirring for 2 hours, washing, filtering, and drying to enable ferric ions and ferrous ions to generate nano ferroferric oxide under the action of hydroxide radicals; and step four, 653 g of aluminum hydroxide is added into the mixture, and the mixture is calcined for 2.5 hours under the protection of argon at 600 ℃ to obtain a gel material with a functional body of nano sodium hydroxide, active aluminum oxide and a matrix of active magnesium oxide, wherein the particle size of 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 between external gas and a metal component is reduced, and meanwhile, ferroferric oxide nano particles are accumulated and coated on the metal component, so that the metal component is further prevented from being subjected to chlorine corrosion.
The first casing 1 of the cement preparation apparatus used in the first step of this embodiment, the upper portion of the first casing 1 is provided with a first motor 11, the lower portion of the first motor 11 is connected with a connecting shaft, the first motor 11 is connected with a first classification wheel 121 and a first turbine 122 through a first connecting shaft 12, the bottom of the first connecting shaft 12 is provided with a driving wheel 123, a grinding cavity 13 is provided inside the first casing 1, a first gear shaft 131 is provided on the upper portion of the grinding cavity 13, the first gear shaft 131 is matched with the driving wheel 123, a grinding ball 132 is provided on the lower portion of the first gear shaft 131, the grinding ball 132 is matched with the lower portion of the grinding cavity 13, the lower portion of the grinding cavity 13 is communicated with the inside of the first casing 1, a feed pipe 14 is provided outside the first casing 1, the feed pipe 14 is communicated with the grinding cavity 13, a first air inlet pipe 15 is provided on the first casing 1, and the first air inlet pipe 15 is communicated with the inside of the first casing 1;
the upper portion of first casing 1 is provided with first discharge gate 16, and first casing 1 is connected with second casing 2 through first discharge gate 16, and second casing 2 one side is provided with second motor 21, and second motor 21 is connected with second classification wheel 22 through the second connecting axle, and second casing 2 outside is provided with second discharge gate 23, and second casing 2 lower part is provided with second intake pipe 24 and third discharge gate 25. 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 grinding balls 132 are enabled to move through the driving wheel 123, materials input from the feeding holes are ground, the ground fine powder approaches the second turbine 172 through the fine material discharging holes 133, the fine powder accumulation is prevented from affecting the subsequent grinding effect, the second turbine 172 and compressed gas introduced through the first air inlets form a cyclone, the first turbine 122 conveniently drives the fine powder to approach the first grading wheel 121, fine powder is conveniently collected, 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 particles with the particle size less than or equal to 10 mu m are enabled to pass through the first grading wheel 121 and enter the second shell 2, compressed air is introduced into the second shell 2 through the second air inlets, the second motor 21 drives the second grading wheel 22 to move, the particles with the particle size less than or equal to 5 mu m are enabled to pass through the third discharging holes 25 to be collected by the cyclone collector, and the particles with the particle size more than or equal to 5 mu m pass through the second discharging holes 23 are prevented from being discharged by the gas collector.
In this embodiment, the turbine beam 17 is disposed inside the first casing 1, the second gear shaft 171 is disposed at the lower part of the turbine beam 17, the second gear shaft 171 is in transmission connection with the driving wheel 123, and the second turbine 172 is disposed at the lower part 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, the second turbine 172 forms upward air flow, particles larger than 10 μm are prevented from falling and depositing in the first shell 1, and raised particles which cannot pass through the first grading wheel 121 are promoted to fall back to the grinding cavity 13 to be ground again.
In this embodiment, a fine material outlet 133 is disposed at the lower portion of the grinding chamber 13, a discharge channel 134 is disposed at the lower portion of the fine material outlet 133, and the discharge channel 134 is matched with the second turbine 172. The fine materials fall under the action of gravity and approach the second turbine 172 along the discharging channel 134, so that the fine powder accumulation is avoided to influence the subsequent grinding effect, and the fine powder collection is facilitated.
In the present embodiment, the first air intake pipe 15 is disposed at a position close to the turbine beam 17 outside the first housing 1, the first air intake pipe 15 is disposed obliquely upward, the second air intake pipe 24 is disposed outside the second housing 2, and the second air intake pipe 24 is disposed obliquely upward. The compressed air flow direction is adjusted by the inclined air inlet pipe, so that powder is convenient to collect.
In this embodiment, the heat exchange device 18 is disposed around the lower portion of the grinding chamber 13, the communicating tube 181 is disposed outside the first housing 1, the heat exchange device 18 is connected to the communicating tube 181, and the number of the communicating tubes 181 is two. The provision of the heat exchange tubes avoids overheating of the grinding chamber 13 affecting the service life of the grinding balls 132.
In this embodiment, two groups of grinding chambers 13, turbine beams 17, first gear shafts 131, grinding balls 132, fine material discharge ports 133, discharge channels 134, feed pipes 14, second gear shafts 171, and second turbines 172 are provided. The two sets of grinding components are arranged to improve the grinding efficiency, and the two sets of turbine components are arranged to improve the fine powder collecting efficiency.
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", etc. refer to the orientation or positional relationship based on that shown in the drawings, and are merely for the purpose of describing the present invention and 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. "connected" and "connected" in the present invention are to be understood broadly, and may be, for example, connected or detachably connected; the connection may be direct or indirect through intermediate members, and the specific meaning of the terms may be understood in detail by those skilled in the art.
The foregoing has been described in what is considered to be the preferred embodiments of the invention, and the description of specific examples is only intended to provide a better understanding of the principles of the invention. It will be apparent to those skilled in the art that modifications and equivalents may be made in accordance with the principles of the invention, and such modifications and equivalents are considered to fall within the scope of the invention.
Claims (8)
1. A method for preparing a cementing material, comprising the steps of:
step one: 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 sodium hydroxide solution into the uniformly mixed mixture at 45-60 ℃ for stirring for 1.5-9 h, and obtaining dry powder nano ferroferric oxide after precipitation, washing, filtering and drying;
step four: adding aluminum hydroxide powder into the dried powder, uniformly mixing, and calcining the uniformly mixed mixture for 2-9 hours under the protection of argon at 450-700 ℃;
39-52 parts of brucite powder, 6-21 parts of ferrous chloride, 8-26 parts of ferric chloride and 32-43 parts of aluminum hydroxide;
and in the third step, the weight part of sodium hydroxide in the sodium hydroxide solution is more than 19 parts, and the particle size of the nano ferroferric oxide in the third step is 8-10 nm.
2. The method for preparing the cementing material according to claim 1, wherein the cementing material preparation equipment used in the first step comprises a first shell (1), a first motor (11) is arranged at the upper part of the first shell (1), a connecting shaft is connected to the lower part of the first motor (11), a first classifying wheel (121) and a first turbine (122) are connected to the first motor (11) through a first connecting shaft (12), the method is characterized in that a driving wheel (123) is arranged at the bottom of the first connecting shaft (12), a grinding cavity (13) is arranged inside the first shell (1), a first gear shaft (131) is arranged at the upper part of the grinding cavity (13), a grinding ball (132) is arranged at the lower part of the first gear shaft (131), the grinding ball (132) is matched with the lower part of the grinding cavity (13), the lower part of the grinding cavity (13) is communicated with the inside of the first shell (1), a grinding cavity (14) is arranged at the outside of the first shell (1), a grinding cavity (14) is arranged at the upper part of the first shell (1), a first inlet pipe (15) is communicated with the first inlet pipe (1);
the novel automatic feeding device is characterized in that a first discharge hole (16) is formed in the upper portion of the first shell (1), the first shell (1) is connected with a second shell (2) through the first discharge hole (16), a second motor (21) is arranged on one side of the second shell (2), the second motor (21) is connected with a second grading wheel (22) through a second connecting shaft, a second discharge hole (23) is formed in the outer portion of the second shell (2), and a second air inlet pipe (24) and a third discharge hole (25) are formed in the lower portion of the second shell (2).
3. The method for preparing the cementing material according to claim 2, wherein a turbine beam (17) is arranged in the first shell (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).
4. A method of preparing a cementitious material as claimed in claim 3, wherein the lower part of the grinding chamber (13) is provided with a fine material outlet (133), the lower part of the fine material outlet (133) is provided with a discharge channel (134), and the discharge channel (134) is matched with the second turbine (172).
5. A method of producing a cementitious material according to claim 4, wherein the first air inlet pipe (15) is provided at a position near the turbine beam (17) at the outside of the first housing (1), the first air inlet pipe (15) is provided obliquely upward, the second air inlet pipe (24) is provided at the outside of the second housing (2), and the second air inlet pipe (24) is provided obliquely upward.
6. The method for preparing a cementing material according to claim 4, wherein a heat exchange device (18) is arranged around the lower part of the grinding cavity (13), communicating pipes (181) are arranged outside the first shell (1), the heat exchange device (18) is connected with the communicating pipes (181), and the number of the communicating pipes (181) is two.
7. The method for preparing the cementing material according to claim 6, wherein two groups of grinding chambers (13), turbine beams (17), first gear shafts (131), grinding balls (132), fine material discharge holes (133), discharge channels (134), feeding pipes (14), second gear shafts (171) and second turbines (172) are arranged.
8. A cement, characterized in that it is prepared by the method for preparing a cement according to any one of claims 1 to 7.
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 |
|---|---|
| CN115818991A CN115818991A (en) | 2023-03-21 |
| CN115818991B true CN115818991B (en) | 2024-02-27 |
Family
ID=85528644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211438140.8A Active CN115818991B (en) | 2022-11-16 | 2022-11-16 | Cementing material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115818991B (en) |
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 |
-
2022
- 2022-11-16 CN CN202211438140.8A patent/CN115818991B/en active Active
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115818991A (en) | 2023-03-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205609702U (en) | Old and useless lithium cell complete set divides material separation collection device | |
| CN101402073A (en) | Coarse, medium, fine powder multi-stage air separator | |
| CN106410313A (en) | Method for repairing and regenerating nickel cobalt manganese ternary positive electrode material in waste battery | |
| CN101863466A (en) | Automatic spheroidization device for producing spherical graphite | |
| CN115818991B (en) | Cementing material and preparation method thereof | |
| CN111925196A (en) | Ceramic tile taking green sand as raw material and preparation method thereof | |
| CN200981111Y (en) | Continuous production device for nanometer metal powder | |
| CN204824695U (en) | Preparation system of nanometer carbon black master batch | |
| CN108787169A (en) | A kind of sieve-board type finished ground cement electric dust collecting means | |
| CN208436637U (en) | A kind of injection moulding machine template nodular iron casting production emission-control equipment | |
| CN1118346C (en) | Technology and equipment for preparation of tungsten carbide-nickel-iron series nanometer grade composit powder | |
| CN206881950U (en) | A kind of energy-saving air flow classifying equipoment | |
| CN206701397U (en) | A kind of wind sweeps coal mill apparatus | |
| CN214812686U (en) | Ore dry method grading plant | |
| CN109603401A (en) | A kind of cleaner high-efficient, clean-up effect is strong | |
| CN212492028U (en) | Anti-blocking type efficient air treatment device for cement plant | |
| CN215429652U (en) | High-efficient low-loss raw meal selection powder device | |
| CN202030670U (en) | Vertical type powder grinding and drying device | |
| CN112958296A (en) | Dry method for producing powder purifying processor by fracturing propping agent quartz sand | |
| CN112547277A (en) | Method and device for producing regenerated masonry mortar and concrete | |
| CN104962112A (en) | Device and method for modifying borosilicate hollow glass beads as cementing slurry lightening admixture | |
| CN115041290B (en) | Micro powder production system and production method and dry powder preparation system | |
| CN214131840U (en) | Cement grinding device for cement production | |
| CN219646964U (en) | Dust collector with ultralow emission | |
| CN110237770A (en) | Circular reshaping nodularization system in a kind of batch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |