CN111545330B - Vertical mill lining plate and preparation method thereof - Google Patents
Vertical mill lining plate and preparation method thereof Download PDFInfo
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- CN111545330B CN111545330B CN202010389786.6A CN202010389786A CN111545330B CN 111545330 B CN111545330 B CN 111545330B CN 202010389786 A CN202010389786 A CN 202010389786A CN 111545330 B CN111545330 B CN 111545330B
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- vertical mill
- lining plate
- sand shell
- steel plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
- C03B19/02—Other methods of shaping glass by casting molten glass, e.g. injection moulding
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0009—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing silica as main constituent
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- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Food Science & Technology (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a vertical mill lining plate which comprises a glass ceramic outer sleeve and a steel plate inner core, wherein the thickness of the glass ceramic of the outer sleeve is 4-6mm, and the preparation method comprises the following steps: manufacturing a sand shell cavity; placing the steel plate inner core in a sand shell cavity of a sand shell model, wherein one end of the sand shell model is closed by a refractory material, and the other end of the sand shell model is open to obtain a casting model; pouring molten glass liquid between the sand shell cavity and the steel plate inner core from an open pouring gate, and forming to form a formed vertical mill lining plate; and (6) shaping. According to the vertical mill lining plate provided by the invention, the glass ceramic is wrapped around the steel plate, so that the wear resistance of two surfaces of the vertical mill lining plate is improved, and the toughness of the steel plate is kept; the product has high strength, toughness, wear resistance and impact resistance, the service life of the lining plate of the vertical mill is prolonged, and the frequency of replacing the lining plate is reduced, so that the vertical mill efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of vertical mill lining plate structures and preparation, and particularly relates to a vertical mill lining plate and a preparation method thereof.
Background
In the operation process of the vertical mill equipment, cracks and serious abrasion of the lining plate are easy to generate, so that the abrasion resistance of the vertical mill cylinder equipment becomes the key for ensuring the normal operation of production and generating economic benefit. At present, the abrasion-proof method of the vertical mill cylinder equipment adopts steel plate surfacing, high-chromium cast iron plates, high-manganese steel and the like as lining plates.
In the prior art, when a used high manganese steel casting is used as a lining plate, most of the high manganese steel casting is not machined, and the high manganese steel casting is assembled and used after parts are formed. In addition, the high manganese steel lining plate is relatively poor in wear resistance, so that the service life of the high manganese steel lining plate is relatively short, and the average service life is only 3-4 months.
When the wear resistance of the lining plate is poor, uneven wear is very easy to occur on the surface of the lining plate, the lining plate is grooved, and the lining plate needs to be replaced at the moment.
At present, the vertical mill lining plate is mostly prepared from metal materials, and no successful case of preparing the vertical mill lining plate by using a method of combining glass ceramics and a steel plate is found.
Disclosure of Invention
In order to solve the problems of poor wear resistance and insufficient strength of the vertical mill lining plate in the prior art, the invention provides the vertical mill lining plate and the preparation method thereof, so that the service life of the vertical mill lining plate is prolonged.
As a first object of the invention, the vertical mill liner plate comprises a glass ceramic outer sleeve and a steel plate inner core, wherein the glass ceramic of the outer sleeve has the thickness of 4-6 mm.
The second object of the present invention is to provide a method for preparing the vertical mill lining plate, comprising the following steps:
step 3, pouring: the glass ceramic comprises 30-60 parts of quartz, 5-15 parts of zinc oxide, 3-7 parts of strontium oxide, 1-3 parts of graphene, 2-12 parts of titanium dioxide, 2-6 parts of magnesium carbonate, 2-8 parts of calcium carbonate and 10-15 parts of kaolinite, and the raw materials are uniformly mixed according to a proportion, transferred into a crucible furnace, heated and melted, and melted at 1430 ℃ for 10 hours to obtain glass liquid; pouring molten glass liquid between the sand shell cavity and the steel plate inner core from a pouring gate of the open pouring model, and forming at the pouring temperature of 1300 ℃ to form a formed vertical mill lining plate;
step 4, shaping: and cooling the vertical mill lining plate to room temperature, cleaning and polishing and other subsequent treatments.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention provides a vertical mill lining plate with a novel structure, which comprises a central steel plate inner core and peripheral glass ceramics, wherein the glass ceramics are wrapped around a steel plate, so that the wear resistance of two surfaces of the vertical mill lining plate is improved, and the toughness of the steel plate is kept;
(2) meanwhile, in the field of casting, the method provided by the invention is simple to prepare, easily available in raw materials and high in production efficiency;
(3) the product provided by the invention has high strength, toughness, wear resistance and impact resistance, the service life of the lining plate of the vertical mill is prolonged, and the frequency of replacing the lining plate is reduced, so that the vertical mill efficiency is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a cross-sectional view of a vertical mill liner provided by the invention.
Wherein, 1-steel plate inner core, 2-glass ceramic outer sleeve.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1: vertical mill lining plate and preparation method thereof
As shown in figure 1, the vertical mill liner plate comprises a glass ceramic outer sleeve 2 and a steel plate inner core 1, wherein the thickness of the glass ceramic of the outer sleeve is 4-6 mm; the preparation method comprises the following steps:
step 3, pouring: the glass ceramic comprises 30 parts of quartz, 10 parts of zinc oxide, 4 parts of strontium oxide, 3 parts of graphene, 2 parts of titanium dioxide, 2 parts of magnesium carbonate, 2 parts of calcium carbonate and 15 parts of kaolinite, the raw materials are uniformly mixed according to a proportion and then transferred into a crucible furnace to be heated and melted, and the mixture is melted at 1430 ℃ for 10 hours to obtain glass liquid; pouring molten glass liquid between the sand shell cavity and the steel plate inner core from a pouring gate of the open pouring model, and forming at the pouring temperature of 1300 ℃ to form a formed vertical mill lining plate;
step 4, shaping: cooling the vertical mill lining plate to room temperature, cleaning and polishing and other subsequent treatments; the thickness of the glass ceramic jacket is about 4 mm.
Example 2: preparation method of vertical mill lining plate
step 3, pouring: the glass ceramic comprises 45 parts of quartz, 5 parts of zinc oxide, 3 parts of strontium oxide, 1 part of graphene, 12 parts of titanium dioxide, 5 parts of magnesium carbonate, 8 parts of calcium carbonate and 15 parts of kaolinite, wherein the raw materials are uniformly mixed according to a proportion, then transferred into a crucible furnace to be heated and melted, and melted at 1430 ℃ for 10 hours to obtain glass liquid;
pouring molten glass liquid between the sand shell cavity and the steel plate inner core from an open pouring gate, and molding at 1300 ℃ to form a molded vertical mill lining plate;
step 4, shaping: cooling the vertical mill lining plate to room temperature, cleaning and polishing and other subsequent treatments; the thickness of the prepared glass ceramic jacket is about 3 mm.
Example 3: preparation method of vertical mill lining plate
step 3, pouring: the glass ceramic comprises 60 parts of quartz, 15 parts of zinc oxide, 7 parts of strontium oxide, 2 parts of graphene, 6 parts of titanium dioxide, 4 parts of magnesium carbonate, 3 parts of calcium carbonate and 11 parts of kaolinite, wherein the raw materials are uniformly mixed according to a proportion, then transferred into a crucible furnace to be heated and melted, and melted at 1430 ℃ for 9 hours to obtain glass liquid; pouring molten glass liquid between the sand shell cavity and the steel plate inner core from an open pouring gate, and molding at 1300 ℃ to form a molded vertical mill lining plate;
step 4, shaping: cooling the vertical mill lining plate to room temperature, cleaning and polishing and other subsequent treatments; the thickness of the glass ceramic jacket is about 5 mm.
Example 4: preparation method of vertical mill lining plate
step 3, pouring: the glass ceramic comprises 50 parts of quartz, 15 parts of zinc oxide, 3 parts of strontium oxide, 1.5 parts of graphene, 3.5 parts of titanium dioxide, 5 parts of magnesium carbonate, 7 parts of calcium carbonate and 12 parts of kaolinite, the raw materials are uniformly mixed according to a proportion and then transferred into a crucible furnace to be heated and melted, and the mixture is melted at 1430 ℃ for 9 hours to obtain glass liquid; pouring molten glass liquid between the sand shell cavity and the steel plate inner core from an open pouring gate, and molding at 1300 ℃ to form a molded vertical mill lining plate;
step 4, shaping: cooling the vertical mill lining plate to room temperature, cleaning and polishing and other subsequent treatments; the thickness of the glass ceramic jacket is about 6 mm.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The preparation method of the vertical mill lining plate is characterized in that the vertical mill lining plate comprises a glass ceramic outer sleeve and a steel plate inner core, wherein the thickness of the glass ceramic of the outer sleeve is 4-6 mm; the inner core of the steel plate is made of a common steel plate;
the preparation method comprises the following steps:
step 1, manufacturing a sand shell cavity according to the shape and the size of a vertical mill lining plate comprising a glass ceramic outer sleeve and a steel plate inner core;
step 2, assembling: placing the steel plate inner core in a sand shell cavity of a sand shell model, wherein one end of the sand shell model is closed by a refractory material, and the other end of the sand shell model is open to obtain a casting model;
step 3, pouring: pouring molten glass liquid between the sand shell cavity and the steel plate inner core from a pouring gate of the open pouring model, and forming to form a formed vertical mill lining plate;
step 4, shaping: and cooling the vertical mill lining plate to room temperature, cleaning and polishing and other subsequent treatments.
2. A method of manufacturing a vertical mill liner according to claim 1, wherein the molten glass is prepared by the following steps: the glass ceramic comprises, by weight, 30-60 parts of quartz, 5-15 parts of zinc oxide, 3-7 parts of strontium oxide, 1-3 parts of graphene, 2-12 parts of titanium dioxide, 2-6 parts of magnesium carbonate, 2-8 parts of calcium carbonate and 10-15 parts of kaolinite, the raw materials are uniformly mixed according to a certain proportion, then the mixture is transferred into a crucible furnace to be heated and melted, and the melting is carried out for 10 hours at 1430 ℃ to obtain glass liquid.
3. The method for preparing a vertical mill liner according to claim 2, wherein the glass ceramic comprises 30 parts of quartz, 10 parts of zinc oxide, 4 parts of strontium oxide, 3 parts of graphene, 2 parts of titanium dioxide, 2 parts of magnesium carbonate, 2 parts of calcium carbonate and 15 parts of kaolinite.
4. The method for preparing a vertical mill liner according to claim 2, wherein the glass ceramic comprises 45 parts of quartz, 5 parts of zinc oxide, 3 parts of strontium oxide, 1 part of graphene, 12 parts of titanium dioxide, 5 parts of magnesium carbonate, 8 parts of calcium carbonate and 15 parts of kaolinite.
5. The method for preparing a vertical mill liner according to claim 2, wherein the glass ceramic comprises 60 parts of quartz, 15 parts of zinc oxide, 7 parts of strontium oxide, 2 parts of graphene, 6 parts of titanium dioxide, 4 parts of magnesium carbonate, 3 parts of calcium carbonate and 11 parts of kaolinite.
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| CN202010389786.6A CN111545330B (en) | 2020-05-11 | 2020-05-11 | Vertical mill lining plate and preparation method thereof |
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| CN202010389786.6A CN111545330B (en) | 2020-05-11 | 2020-05-11 | Vertical mill lining plate and preparation method thereof |
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| CN111545330B true CN111545330B (en) | 2021-02-02 |
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| JPH01219040A (en) * | 1988-02-29 | 1989-09-01 | Matsushita Electric Ind Co Ltd | Production of glass ceramic board |
| CN2379206Y (en) * | 1999-09-29 | 2000-05-24 | 王东善 | Lining plate of container of ball mill |
| EP1338682A2 (en) * | 2002-02-20 | 2003-08-27 | Hemlock Semiconductor Corporation | Flowable chips and methods and apparatus for their preparation and use of same |
| CN102701592A (en) * | 2012-06-19 | 2012-10-03 | 郑州九环科贸有限公司 | Microcrystalline ceramic liner and preparation method thereof |
| CN103736549A (en) * | 2014-01-02 | 2014-04-23 | 洛阳鹏飞耐磨材料股份有限公司 | Preparation method for metal-based ceramic composite material grinding roller of vertical grinding machine |
| CN105128459A (en) * | 2015-09-23 | 2015-12-09 | 泰富国际工程有限公司 | Composite liner plate and mounting method thereof |
| CN106853405A (en) * | 2015-12-09 | 2017-06-16 | 朱森 | A kind of high efficiency ball mill control system |
| CN109746089A (en) * | 2017-11-06 | 2019-05-14 | 张家界航空工业职业技术学院 | A kind of liner plate of anticorrosive wear-resistant |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010002244U1 (en) * | 2010-02-15 | 2010-05-20 | Bergmann, Andreas | Self-supporting mosaic plate |
| CN202951528U (en) * | 2012-11-22 | 2013-05-29 | 姚玲玲 | Ball mill lining plate |
| US8962096B2 (en) * | 2012-11-28 | 2015-02-24 | Baker Hughes Incorporated | Method for preparing a high temperature polymer coating |
| CN107051662A (en) * | 2017-05-10 | 2017-08-18 | 洛阳金合耐磨材料有限公司 | A kind of special feed bend pipe of ball mill |
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2020
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01219040A (en) * | 1988-02-29 | 1989-09-01 | Matsushita Electric Ind Co Ltd | Production of glass ceramic board |
| CN2379206Y (en) * | 1999-09-29 | 2000-05-24 | 王东善 | Lining plate of container of ball mill |
| EP1338682A2 (en) * | 2002-02-20 | 2003-08-27 | Hemlock Semiconductor Corporation | Flowable chips and methods and apparatus for their preparation and use of same |
| CN102701592A (en) * | 2012-06-19 | 2012-10-03 | 郑州九环科贸有限公司 | Microcrystalline ceramic liner and preparation method thereof |
| CN103736549A (en) * | 2014-01-02 | 2014-04-23 | 洛阳鹏飞耐磨材料股份有限公司 | Preparation method for metal-based ceramic composite material grinding roller of vertical grinding machine |
| CN105128459A (en) * | 2015-09-23 | 2015-12-09 | 泰富国际工程有限公司 | Composite liner plate and mounting method thereof |
| CN106853405A (en) * | 2015-12-09 | 2017-06-16 | 朱森 | A kind of high efficiency ball mill control system |
| CN109746089A (en) * | 2017-11-06 | 2019-05-14 | 张家界航空工业职业技术学院 | A kind of liner plate of anticorrosive wear-resistant |
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| CN111545330A (en) | 2020-08-18 |
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