CN112267019A - Preparation method of metal ceramic composite wear-resistant material - Google Patents
Preparation method of metal ceramic composite wear-resistant material Download PDFInfo
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- CN112267019A CN112267019A CN202011183484.XA CN202011183484A CN112267019A CN 112267019 A CN112267019 A CN 112267019A CN 202011183484 A CN202011183484 A CN 202011183484A CN 112267019 A CN112267019 A CN 112267019A
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- iron powder
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/10—Dry methods smelting of sulfides or formation of mattes by solid carbonaceous reducing agents
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/14—Cements containing slag
- C04B7/147—Metallurgical slag
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/006—Making ferrous alloys compositions used for making ferrous alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/08—Making cast-iron alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
A preparation method of a metal ceramic composite wear-resistant material is characterized in that: calcium oxide, reducing agent coke powder with granularity of 0.7-3 mm, magnesium fluoride, potassium fluoride and calcium fluoride; reducing at 1100 deg.c for 2 hr at the furnace speed of 20-80 rpm to obtain iron powder; putting metal iron powder into an intermediate frequency furnace, setting the temperature at 1580 ℃, putting silicon carbide, boron carbide, borax, brown corundum powder and graphite into the intermediate frequency furnace after the metal iron powder is changed into a solution, stirring for 5 minutes, finally adding nano silicon dioxide, titanium dioxide, ammonium fluoride, rare earth magnesium and niobium, and stirring for ten minutes; then, the metal ceramic composite wear-resistant material is cast by performing 900-1100 ℃ water quenching and 200 ℃ tempering treatment. The invention has the advantages of wear resistance and corrosion resistance, and meanwhile, the reactant slag generated in the process of refining the iron powder can be reused, thereby providing a new way for utilizing the copper smelting tailings.
Description
Technical Field
The invention relates to a preparation method of a metal ceramic composite material, belonging to the fields of industrial solid waste resource recycling and environmental protection.
Background
With the continuous development of social economy, the demand of China on copper ore resources is increasing day by day, the mining scale of the copper ore resources is continuously enlarged, and a large amount of copper smelting tailings are generated. The copper smelting tailings not only occupy large space and have great potential safety hazard, but also cause serious damage to the environment. Under the condition that copper ore resources are continuously consumed, secondary utilization of copper smelting tailings resources is an important measure for realizing resource recycling at present, and how to comprehensively utilize the copper smelting tailings and realize environmental protection is a common concern of all countries.
The copper smelting tailings are not only industrial solid wastes, but also a special resource. At present, no technical scheme for preparing the metal ceramic composite material by using the copper smelting tailings is researched at home and abroad, and no related paper report appears. The industrial solid waste copper smelting tailings are used for manufacturing high-value ceramic composite materials, so that the burden of industrial tailing treatment in copper production can be reduced, channels for obtaining ceramic raw materials can be expanded, and the waste recycling of the copper smelting tailings is really realized.
Disclosure of Invention
The invention aims to solve the problems, and provides a preparation method of a metal ceramic composite wear-resistant material.
The technical scheme of the invention is realized as follows: a preparation method of a metal ceramic composite wear-resistant material is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: adding the following components into copper smelting tailing slag: calcium oxide, reducing agent coke powder with granularity of 0.7-3 mm, magnesium fluoride, potassium fluoride and calcium fluoride; reducing at 1100 deg.c for 2 hr at the furnace speed of 20-80 rpm to obtain iron powder;
the formula of the raw materials by mass ratio is as follows: calcium oxide: 0.6-8%, reducing agent coke powder: 8-20%, magnesium fluoride: 0.3-5%, potassium fluoride: 0.4-6%, calcium fluoride: 0.03-3%, copper smelting tailing slag: the balance; the sum of the mass percentages of the raw materials is 100 percent;
step two: putting the metal iron powder obtained in the step one into an intermediate frequency furnace, setting the temperature at 1580 ℃, putting silicon carbide, boron carbide, borax, brown corundum powder and graphite into the intermediate frequency furnace after the metal iron powder becomes a solution, stirring for 5 minutes, finally adding nano silicon dioxide, titanium dioxide, ammonium fluoride, rare earth magnesium and niobium, and stirring for ten minutes; then, carrying out 900-degree and 1100-degree water quenching and 200-degree tempering treatment to cast the metal ceramic composite wear-resistant material;
the formula of the raw materials by mass ratio is as follows: silicon carbide: 1.5-3%, boron carbide: 1-3%, borax: 0.5-1.5%, brown corundum powder: 2-5%, graphite: 2.4-6%, nano-silica: 0.5-3%, titanium dioxide: 0.5-3%, ammonium fluoride: 0.3-1.5%, rare earth magnesium: 0.3 to 1.5%, niobium: 0.3-1.5%, metallic iron powder: the balance; the sum of the mass percentages of the raw materials is 100 percent.
Further: the copper smelting tailing slag is industrial solid waste generated in the copper smelting process.
Further: the reactant slag after the metal iron powder is reduced can be reused and used as a cement material.
The invention has the beneficial effects that:
(1) the invention utilizes the copper smelting tailing slag to prepare the metal ceramic composite material, reduces the waste rock occupation of the tailing slag, optimizes the environment, can realize the resource utilization of wastes, improves the resource utilization rate, and has obvious economic benefit and social benefit.
(2) The metal ceramic composite material prepared by the invention has the integral hardness of HRC 55-65, surface boride and carbide, the hardness of Hv 1400-1800, the toughness of more than 10J/Cm2 and the dynamic fracture toughness of more than 30Mpa.m 1/2. The wear resistance is higher than that of high-chromium cast iron, and the cost is lower than one third of that of high-chromium cast iron.
(3) According to the invention, silicon carbide is added into the cast metal ceramic composite wear-resistant material, so that the graphite (C) form is thickened and shortened, the spacing is larger, the number of cast iron eutectic clusters and carbide products are increased, the hardness is improved by more than 10%, and the tensile strength of the carbon fiber is improved by 20-30 Mpa.
(4) The waste slag generated in the process of refining the iron powder can be reused as a cement material. The generated waste gas can be used for water treatment by low-temperature power generation and can be recycled for multiple times. The produced waste water can be recycled, and water resources are saved. In the process flow for preparing the composite ceramic, not only the waste materials are recycled, the environment is protected, the resources are saved, but also no dust, no waste gas and no waste residue are really realized.
Detailed Description
Example 1:
the invention relates to a preparation method of a metal ceramic composite wear-resistant material, which comprises the following steps:
the method comprises the following steps: the raw materials are copper smelting tailing slag generated in the copper smelting process, and are added with: 0.6 percent of calcium oxide, 8 percent of reducing agent coke powder with the granularity of 0.7-3 mm, 0.3 percent of magnesium fluoride, 0.4 percent of potassium fluoride and 0.03 percent of calcium fluoride; the sum of the mass percentages is 100 percent, and the rest 90.67 percent is copper-smelting tailing slag; reducing the iron powder at 1100 deg.c for 2 hr at the furnace speed of 20-80 rpm. Reducing and recovering metal iron powder with the grade of more than 98 percent, wherein the product amount can reach 3 times of the original tailing slag;
step two: putting the metal iron powder obtained in the step one into an intermediate frequency furnace, setting the temperature at 1580 ℃, putting 1.5% of silicon carbide, 1% of boron carbide, 0.5% of borax, 2% of brown corundum powder and 2.4% of graphite after the metal is changed into a solution, stirring for 5 minutes, and finally adding 0.5% of nano silicon dioxide, 0.5% of titanium dioxide, 0.3% of ammonium fluoride, 0.3% of rare earth magnesium and 0.3% of niobium; the sum of the mass percentages is 100 percent, and the rest 90.7 percent of the mass percentages are metal iron powder, and the mixture is stirred for ten minutes; then, the steel ball and the lining plate are cast by performing 900-DEG and 1100-DEG water quenching and 200-DEG tempering treatment, and the metal ceramic composite wear-resistant material is cast.
Example 2:
the method comprises the following steps: the raw materials are copper smelting tailing slag generated in the copper smelting process, and are added with: 4 percent of calcium oxide, 14 percent of reducing agent coke powder with the granularity of 0.7-3 mm, 2.5 percent of magnesium fluoride, 3.5 percent of potassium fluoride and 1.6 percent of calcium fluoride; the sum of the mass percentages is 100 percent, and the rest 74.4 percent is copper-smelting tailing slag; reducing the iron powder at 1100 deg.c for 2 hr at the furnace speed of 20-80 rpm. Reducing and recovering metal iron powder with the grade of more than 98 percent, wherein the product amount can reach 3 times of the original tailing slag;
step two: putting the metal iron powder obtained in the step one into an intermediate frequency furnace, setting the temperature at 1580 ℃, putting 2.3% of silicon carbide, 2% of boron carbide, 1% of borax, 3.5% of brown corundum powder and 4.2% of graphite after the metal is changed into a solution, stirring for 5 minutes, and finally adding 1.8% of nano silicon dioxide, 1.8% of titanium dioxide, 0.9% of ammonium fluoride, 0.9% of rare earth magnesium and 0.9% of niobium; the sum of the mass percentages is 100 percent, and the rest 80.7 percent of the mass percentages are metal iron powder, and the metal iron powder is stirred for ten minutes; then, the steel ball and the lining plate are cast by performing 900-DEG and 1100-DEG water quenching and 200-DEG tempering treatment, and the metal ceramic composite wear-resistant material is cast.
Example 3:
the method comprises the following steps: the raw materials are copper smelting tailing slag generated in the copper smelting process, and are added with: 8 percent of calcium oxide, 20 percent of reducing agent coke powder with the granularity of 0.7-3 mm, 5 percent of magnesium fluoride, 6 percent of potassium fluoride and 3 percent of calcium fluoride; the sum of the mass percentages is 100 percent, and the rest 58 percent is copper smelting tailing slag; reducing the iron powder at 1100 deg.c for 2 hr at the furnace speed of 20-80 rpm. Reducing and recovering metal iron powder with the grade of more than 98 percent, wherein the product amount can reach 3 times of the original tailing slag;
step two: putting the metal iron powder obtained in the step one into an intermediate frequency furnace, setting the temperature at 1580 ℃, putting 3% of silicon carbide, 3% of boron carbide, 1.5% of borax, 5% of brown corundum powder and 6% of graphite into the intermediate frequency furnace after the metal is changed into a solution, stirring for 5 minutes, and finally adding 3% of nano silicon dioxide, 3% of titanium dioxide, 1.5% of ammonium fluoride, 1.5% of rare earth magnesium and 1.5% of niobium; the sum of the mass percentages is 100 percent, the rest 71 percent of the mass percentages are metallic iron powder, and the stirring is carried out for ten minutes; then, the steel ball and the lining plate are cast by performing 900-DEG and 1100-DEG water quenching and 200-DEG tempering treatment, and the metal ceramic composite wear-resistant material is cast.
Claims (3)
1. A preparation method of a metal ceramic composite wear-resistant material is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: adding the following components into copper smelting tailing slag: calcium oxide, reducing agent coke powder with granularity of 0.7-3 mm, magnesium fluoride, potassium fluoride and calcium fluoride; reducing at 1100 deg.c for 2 hr at the furnace speed of 20-80 rpm to obtain iron powder;
the formula of the raw materials by mass ratio is as follows: calcium oxide: 0.6-8%, reducing agent coke powder: 8-20%, magnesium fluoride: 0.3-5%, potassium fluoride: 0.4-6%, calcium fluoride: 0.03-3%, copper smelting tailing slag: the balance; the sum of the mass percentages of the raw materials is 100 percent;
step two: putting the metal iron powder obtained in the step one into an intermediate frequency furnace, setting the temperature at 1580 ℃, putting silicon carbide, boron carbide, borax, brown corundum powder and graphite into the intermediate frequency furnace after the metal iron powder becomes a solution, stirring for 5 minutes, finally adding nano silicon dioxide, titanium dioxide, ammonium fluoride, rare earth magnesium and niobium, and stirring for ten minutes; then, carrying out 900-degree and 1100-degree water quenching and 200-degree tempering treatment to cast the metal ceramic composite wear-resistant material;
the formula of the raw materials by mass ratio is as follows: silicon carbide: 1.5-3%, boron carbide: 1-3%, borax: 0.5-1.5%, brown corundum powder: 2-5%, graphite: 2.4-6%, nano-silica: 0.5-3%, titanium dioxide: 0.5-3%, ammonium fluoride: 0.3-1.5%, rare earth magnesium: 0.3 to 1.5%, niobium: 0.3-1.5%, metallic iron powder: the balance; the sum of the mass percentages of the raw materials is 100 percent.
2. The method for preparing the metal ceramic composite wear-resistant material according to claim 1, wherein the method comprises the following steps: the copper smelting tailing slag is industrial solid waste generated in the copper smelting process.
3. The method for preparing a cermet abrasion resistant composite material according to claim 1 or 2, wherein: the reactant slag after the metal iron powder is reduced can be reused and used as a cement material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011183484.XA CN112267019A (en) | 2020-10-29 | 2020-10-29 | Preparation method of metal ceramic composite wear-resistant material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011183484.XA CN112267019A (en) | 2020-10-29 | 2020-10-29 | Preparation method of metal ceramic composite wear-resistant material |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB584146A (en) * | 1943-05-24 | 1947-01-08 | Max Hauser | Improvements in the manufacture of metal-containing ceramic articles |
| GB718036A (en) * | 1950-12-14 | 1954-11-10 | Mallory & Co Inc P R | Metal-ceramic compositions |
| CN103418790A (en) * | 2012-05-17 | 2013-12-04 | 枣阳秦鸿新材料有限公司 | Anti-abrasion metal-ceramic composite product and preparation method thereof |
| CN105483489A (en) * | 2015-12-05 | 2016-04-13 | 青岛宏宇环保空调设备有限公司 | Metal ceramic mould material |
| CN106640071A (en) * | 2016-11-02 | 2017-05-10 | 安徽澳德矿山机械设备科技股份有限公司 | A novel metal material used for producing picks of tunnel boring machines |
| CN106676263A (en) * | 2016-12-13 | 2017-05-17 | 江苏省冶金设计院有限公司 | Method and system for comprehensive utilization of copper tailings and converter coarse dust ash |
| CN106986649A (en) * | 2017-03-30 | 2017-07-28 | 山东宝纳新材料有限公司 | A kind of high-performance SiC/W cermet combining nozzles and preparation method thereof |
| CN107216161A (en) * | 2017-07-18 | 2017-09-29 | 合肥铭佑高温技术有限公司 | A kind of novel fire resistant ceramic-metal composite and preparation method |
| CN110788520A (en) * | 2019-11-20 | 2020-02-14 | 桂林航天工业学院 | High-alloy steel wear-resistant flux-cored wire and preparation method thereof |
-
2020
- 2020-10-29 CN CN202011183484.XA patent/CN112267019A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB584146A (en) * | 1943-05-24 | 1947-01-08 | Max Hauser | Improvements in the manufacture of metal-containing ceramic articles |
| GB718036A (en) * | 1950-12-14 | 1954-11-10 | Mallory & Co Inc P R | Metal-ceramic compositions |
| CN103418790A (en) * | 2012-05-17 | 2013-12-04 | 枣阳秦鸿新材料有限公司 | Anti-abrasion metal-ceramic composite product and preparation method thereof |
| CN105483489A (en) * | 2015-12-05 | 2016-04-13 | 青岛宏宇环保空调设备有限公司 | Metal ceramic mould material |
| CN106640071A (en) * | 2016-11-02 | 2017-05-10 | 安徽澳德矿山机械设备科技股份有限公司 | A novel metal material used for producing picks of tunnel boring machines |
| CN106676263A (en) * | 2016-12-13 | 2017-05-17 | 江苏省冶金设计院有限公司 | Method and system for comprehensive utilization of copper tailings and converter coarse dust ash |
| CN106986649A (en) * | 2017-03-30 | 2017-07-28 | 山东宝纳新材料有限公司 | A kind of high-performance SiC/W cermet combining nozzles and preparation method thereof |
| CN107216161A (en) * | 2017-07-18 | 2017-09-29 | 合肥铭佑高温技术有限公司 | A kind of novel fire resistant ceramic-metal composite and preparation method |
| CN110788520A (en) * | 2019-11-20 | 2020-02-14 | 桂林航天工业学院 | High-alloy steel wear-resistant flux-cored wire and preparation method thereof |
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Application publication date: 20210126 |
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