CN111533568A - Refractory ceramic product - Google Patents
Refractory ceramic product Download PDFInfo
- Publication number
- CN111533568A CN111533568A CN202010414720.8A CN202010414720A CN111533568A CN 111533568 A CN111533568 A CN 111533568A CN 202010414720 A CN202010414720 A CN 202010414720A CN 111533568 A CN111533568 A CN 111533568A
- Authority
- CN
- China
- Prior art keywords
- parts
- refractory ceramic
- ceramic product
- frequency induction
- refractory
- 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.)
- Pending
Links
Classifications
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/653—Processes involving a melting step
- C04B35/657—Processes involving a melting step for manufacturing refractories
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3272—Iron oxides or oxide forming salts thereof, e.g. hematite, magnetite
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/404—Refractory metals
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/405—Iron group metals
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/48—Organic compounds becoming part of a ceramic after heat treatment, e.g. carbonising phenol resins
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6562—Heating rate
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6565—Cooling rate
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
- C04B2235/6581—Total pressure below 1 atmosphere, e.g. vacuum
-
- 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
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Dispersion Chemistry (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention relates to the technical field of refractory ceramic materials, and discloses a refractory ceramic product which comprises the following raw materials in parts by weight: 40-55 parts of ceramic waste powder, 20-30 parts of ceramic particles, 18-25 parts of iron ore powder, 13-18 parts of phenolic resin, 10-16 parts of magnesium oxide, 8-15 parts of ferric oxide, 6-13 parts of kaolin, 5-10 parts of citric acid, 4-8 parts of sodium carbonate and 3-6 parts of a binding agent. The refractory ceramic product prepared by the method has good mechanical properties, can greatly refine the structure properties of the refractory ceramic product, is relatively uniform in distribution, avoids the defect of large interior, solves the problem of poor small pores generated by the refractory ceramic product, and has good strength and elongation.
Description
Technical Field
The invention relates to the technical field of refractory ceramic materials, in particular to a refractory ceramic product.
Background
The ceramic product has a long history in China, and through long-time development, the manufacturing process of the ceramic is continuously improved, and the ceramic product has various different performances, so that the ceramic product is more used for people to live and produce, the shadow of the ceramic product can be seen everywhere in various tableware, tea sets and sanitary wares, and the ceramic products not only have beautiful appearance and various shapes, but also have the advantages of easy cleaning, corrosion resistance and the like, and are deeply loved by consumers.
However, the market now places demands on other properties of ceramic articles to produce corresponding functional ceramic articles. However, the strength and the elongation of the existing refractory ceramic product are low, the phenomenon of deformation and even fracture is easy to occur, and the mechanical property and the air tightness are low.
Disclosure of Invention
The present invention aims to provide a refractory ceramic product to solve the problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a refractory ceramic product comprises the following raw materials in parts by weight: 40-55 parts of ceramic waste powder, 20-30 parts of ceramic particles, 18-25 parts of iron ore powder, 13-18 parts of phenolic resin, 10-16 parts of magnesium oxide, 8-15 parts of ferric oxide, 6-13 parts of kaolin, 5-10 parts of citric acid, 4-8 parts of sodium carbonate and 3-6 parts of a binding agent.
A method of making the refractory ceramic article comprising the steps of:
step one, raw material preparation: preparing raw materials according to the weight percentage;
step two, preheating iron ore powder, magnesium oxide and ferric oxide to 90-110 ℃, and preserving heat for 0.5-0.8 h;
step three, adding the preheated mineral powder, magnesium oxide and ferric oxide into a medium-frequency induction furnace to the temperature of 980-1050 ℃ until the mineral powder, the magnesium oxide and the ferric oxide are completely melted;
step four, after melting, sequentially adding ceramic waste powder, ceramic particles, phenolic resin and kaolin until all the materials are melted and stirring for 0.5-1 h;
step five, adding citric acid, sodium carbonate and a binding agent, filling argon with the purity of more than 98% into the medium-frequency induction furnace, degassing for 3-5 minutes, and vacuumizing the medium-frequency induction furnace to 0.03-0.05 MPa;
and step six, after the temperature in the medium-frequency induction furnace is reduced to 680-700 ℃, casting or die-casting is carried out to prepare the refractory ceramic products with various required sizes.
Preferably, in the first step, impurities contained in the raw material need to be filtered to remove the impurities.
Preferably, in the fifth step, a proper trace element can be added, wherein the trace element is any one or two of C, Mo and Co.
Preferably, in the third step, the initial temperature in the medium frequency induction furnace is 60-90 degrees, and the temperature is increased in a mode of 5-8 degrees per minute.
Preferably, in the sixth step, after the refractory ceramic product is obtained, the refractory ceramic product is wrapped by the heat-insulating material, the refractory ceramic product is slowly cooled, and after the refractory ceramic product is cooled, the heat-insulating material is removed.
Preferably, in the sixth step, sectional cooling is adopted for cooling:
a first stage: cooling to 900 deg.C at a rate of 10 deg.C per minute, and maintaining for 15-30 min;
and a second stage: cooling to 800 deg.C at a rate of 5 deg.C per minute, and maintaining for 20-35 min;
a third stage: the temperature is reduced to 680-700 ℃ at the speed of 5 ℃ per minute for 20-35 min.
The refractory ceramic product provided by the invention has the beneficial effects that: the refractory ceramic product prepared by the method has good mechanical properties, can greatly refine the structure properties of the refractory ceramic product, is relatively uniform in distribution, avoids the defect of large interior, solves the problem of poor small pores generated by the refractory ceramic product, and has good strength and elongation.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiment 1, the present invention provides a technical solution: a refractory ceramic product comprises the following raw materials in parts by weight: 48 parts of ceramic waste powder, 23 parts of ceramic particles, 18 parts of iron ore powder, 16 parts of phenolic resin, 14 parts of magnesium oxide, 13 parts of ferric oxide, 10 parts of kaolin, 8 parts of citric acid, 7 parts of sodium carbonate and 5 parts of a binding agent.
A method of making the refractory ceramic article comprising the steps of: step one, raw material preparation: preparing raw materials according to the weight percentage, and filtering impurities contained in the raw materials; secondly, preheating iron ore powder, magnesium oxide and ferric oxide to 105 ℃, and preserving heat for 0.6 h; thirdly, adding the preheated mineral powder, magnesium oxide and ferric oxide into a medium-frequency induction furnace to 1020 ℃ until the mineral powder, the magnesium oxide and the ferric oxide are completely molten, wherein the initial temperature in the medium-frequency induction furnace is 75 ℃, and the temperature is increased in a manner of 6 ℃ per minute; step four, after melting, sequentially adding ceramic waste powder, ceramic particles, phenolic resin and kaolin until all the materials are melted and stirring for 0.8h, and adding appropriate trace elements, wherein the trace elements are two of Mo and Co; step five, adding citric acid, sodium carbonate and a binding agent, filling argon with the purity of more than 98% into the medium-frequency induction furnace, degassing for 35 minutes, and vacuumizing the medium-frequency induction furnace to 0.03 MPa; step six, after the temperature in the medium-frequency induction furnace is reduced to 680, sectional type cooling is adopted for cooling: a first stage: cooling to 900 ℃ at a speed of 10 ℃ per minute and preserving heat for 25 n; and a second stage: reducing the temperature to 800 ℃ at a speed of reducing 5 ℃ per minute and preserving the temperature for 30 n; a third stage: cooling to 680 ℃ at a speed of reducing 5 ℃ per minute, preserving heat for 30min, casting or die-casting to prepare the refractory ceramic products with various required sizes, wrapping the refractory ceramic products with a heat-insulating material after the refractory ceramic products are obtained, slowly cooling the refractory ceramic products, and removing the heat-insulating material after the refractory ceramic products are cooled.
Embodiment 2, the present invention provides a technical solution: a refractory ceramic product comprises the following raw materials in parts by weight: 52 parts of ceramic waste powder, 28 parts of ceramic particles, 23 parts of iron ore powder, 16 parts of phenolic resin, 14 parts of magnesium oxide, 13 parts of ferric oxide, 10 parts of kaolin, 8 parts of citric acid, 6 parts of sodium carbonate and 5 parts of a binding agent.
A method of making the refractory ceramic article comprising the steps of: step one, raw material preparation: preparing raw materials according to the weight percentage, and filtering impurities contained in the raw materials; secondly, preheating iron ore powder, magnesium oxide and ferric oxide to 110 ℃, and preserving heat for 0.7 h; thirdly, adding the preheated mineral powder, magnesium oxide and ferric oxide into a medium-frequency induction furnace to 1000 ℃ until the mineral powder, the magnesium oxide and the ferric oxide are completely molten, wherein the initial temperature in the medium-frequency induction furnace is 85 ℃, and the temperature is increased by 7 ℃ per minute; step four, after melting, sequentially adding ceramic waste powder, ceramic particles, phenolic resin and kaolin until all the ceramic waste powder, the ceramic particles, the phenolic resin and the kaolin are melted and stirring for 0.7h, and adding proper trace elements, wherein the trace elements are two of C and Co; step five, adding citric acid, sodium carbonate and a binding agent, filling argon with the purity of more than 98% into the medium-frequency induction furnace, degassing for 4 minutes, and vacuumizing the medium-frequency induction furnace to 0.035 MPa; step six, after the temperature in the medium-frequency induction furnace is reduced to 700 ℃, sectional cooling is adopted for cooling: a first stage: cooling to 900 ℃ at a speed of 10 ℃ per minute and preserving heat for 30 min; and a second stage: cooling to 800 deg.C at a rate of 5 deg.C per minute for 20 min; a third stage: cooling to 700 ℃ at a speed of reducing 5 ℃ per minute for 35min, casting or die-casting to prepare the refractory ceramic products with various required sizes, wrapping the refractory ceramic products with a heat-insulating material after the refractory ceramic products are obtained, slowly cooling the refractory ceramic products, and removing the heat-insulating material after the refractory ceramic products are cooled.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A refractory ceramic article, characterized by: the refractory ceramic product comprises the following raw materials in parts by weight: 40-55 parts of ceramic waste powder, 20-30 parts of ceramic particles, 18-25 parts of iron ore powder, 13-18 parts of phenolic resin, 10-16 parts of magnesium oxide, 8-15 parts of ferric oxide, 6-13 parts of kaolin, 5-10 parts of citric acid, 4-8 parts of sodium carbonate and 3-6 parts of a binding agent.
A method of making the refractory ceramic article comprising the steps of:
step one, raw material preparation: preparing raw materials according to the weight percentage;
step two, preheating iron ore powder, magnesium oxide and ferric oxide to 90-110 ℃, and preserving heat for 0.5-0.8 h;
step three, adding the preheated mineral powder, magnesium oxide and ferric oxide into a medium-frequency induction furnace to the temperature of 980-1050 ℃ until the mineral powder, the magnesium oxide and the ferric oxide are completely melted;
step four, after melting, sequentially adding ceramic waste powder, ceramic particles, phenolic resin and kaolin until all the materials are melted and stirring for 0.5-1 h;
step five, adding citric acid, sodium carbonate and a binding agent, filling argon with the purity of more than 98% into the medium-frequency induction furnace, degassing for 3-5 minutes, and vacuumizing the medium-frequency induction furnace to 0.03-0.05 MPa;
and step six, after the temperature in the medium-frequency induction furnace is reduced to 680-700 ℃, casting or die-casting is carried out to prepare the refractory ceramic products with various required sizes.
2. A refractory ceramic article in accordance with claim 1, wherein: in the first step, impurities contained in the raw materials need to be filtered and removed.
3. A refractory ceramic article in accordance with claim 1, wherein: in the fifth step, proper trace elements can be added, wherein the trace elements are either one or both of C, Mo and Co.
4. A refractory ceramic article in accordance with claim 1, wherein: in the third step, the initial temperature in the medium frequency induction furnace is 60-90 ℃ and the temperature is increased in a mode of 5-8 ℃ per minute.
5. A refractory ceramic article in accordance with claim 1, wherein: and sixthly, after the refractory ceramic product is obtained, wrapping the refractory ceramic product by using a heat-insulating material, slowly cooling the refractory ceramic product, and removing the heat-insulating material after the refractory ceramic product is cooled.
6. A refractory ceramic article in accordance with claim 1, wherein: in the sixth step, sectional cooling is adopted for cooling:
a first stage: cooling to 900 deg.C at a rate of 10 deg.C per minute, and maintaining for 15-30 min;
and a second stage: cooling to 800 deg.C at a rate of 5 deg.C per minute, and maintaining for 20-35 min;
a third stage: the temperature is reduced to 680-700 ℃ at the speed of 5 ℃ per minute for 20-35 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010414720.8A CN111533568A (en) | 2020-05-15 | 2020-05-15 | Refractory ceramic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010414720.8A CN111533568A (en) | 2020-05-15 | 2020-05-15 | Refractory ceramic product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111533568A true CN111533568A (en) | 2020-08-14 |
Family
ID=71972036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010414720.8A Pending CN111533568A (en) | 2020-05-15 | 2020-05-15 | Refractory ceramic product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111533568A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112745130A (en) * | 2020-12-30 | 2021-05-04 | 福建省佳美集团公司 | Formula of refractory ceramic and preparation method of ceramic product |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106083091A (en) * | 2016-06-23 | 2016-11-09 | 合肥奇腾农业科技有限公司 | A kind of ceramic refractory and preparation method thereof |
| CN106242508A (en) * | 2016-07-06 | 2016-12-21 | 吴海屏 | Utilize the method that flower Rock Powder waste material produces ceramic |
| CN107226682A (en) * | 2017-07-26 | 2017-10-03 | 合肥铭佑高温技术有限公司 | A kind of high-temperature flame-proof ceramics and preparation method thereof |
| CN107500788A (en) * | 2017-08-24 | 2017-12-22 | 浙江科屹耐火材料有限公司 | A kind of insulating fire brick and preparation method thereof |
-
2020
- 2020-05-15 CN CN202010414720.8A patent/CN111533568A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106083091A (en) * | 2016-06-23 | 2016-11-09 | 合肥奇腾农业科技有限公司 | A kind of ceramic refractory and preparation method thereof |
| CN106242508A (en) * | 2016-07-06 | 2016-12-21 | 吴海屏 | Utilize the method that flower Rock Powder waste material produces ceramic |
| CN107226682A (en) * | 2017-07-26 | 2017-10-03 | 合肥铭佑高温技术有限公司 | A kind of high-temperature flame-proof ceramics and preparation method thereof |
| CN107500788A (en) * | 2017-08-24 | 2017-12-22 | 浙江科屹耐火材料有限公司 | A kind of insulating fire brick and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 巫松桢等: "《电气绝缘材料科学与工程》", 31 August 1996, 西安：西安交通大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112745130A (en) * | 2020-12-30 | 2021-05-04 | 福建省佳美集团公司 | Formula of refractory ceramic and preparation method of ceramic product |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101758203B (en) | Process for smelting and lower-pressure casting of aluminum alloy wheel hub | |
| CN106191572B (en) | A kind of pressure casting method of auto parts machinery aluminium alloy and auto parts machinery | |
| CN101758204B (en) | Process for smelting and gravity casting of aluminum alloy wheel hub | |
| CN103658548A (en) | Graphite type casting method of cylindrical titanium alloy piece | |
| CN111533568A (en) | Refractory ceramic product | |
| CN109986056B (en) | Low-pressure aluminum casting process method for cast aluminum rotor | |
| CN111390154A (en) | Method for removing impurities in ultrahigh pure copper or copper alloy cast ingot | |
| CN111074103A (en) | Die-casting aluminum alloy and refining process thereof | |
| CN101875090A (en) | Flange casting production process | |
| CN102978340A (en) | Steelmaking deoxidizing agent and preparation method thereof | |
| CN112391546A (en) | Method for eliminating easy segregation of silver-copper alloy ingot | |
| CN107365918A (en) | A kind of casting technique of aluminium alloy ingots | |
| CN102492803A (en) | Heat treatment method of slag-removing agent with obsidian as raw material | |
| CN107262665A (en) | A kind of cast steel quartz sand anti-stick sand additive | |
| CN113604712A (en) | Lightweight high-silicon aluminum alloy die casting and preparation method thereof | |
| CN106392037A (en) | Direct casting technology for pure aluminum metal mold | |
| CN102242289B (en) | A kind of silver, germanium ornaments alloy | |
| CN1167488C (en) | Technology for making net filter used for casting | |
| CN106756075A (en) | A kind of degasification method of smelting of big specification fine silver ingot casting | |
| CN1883849A (en) | Thermal insulation deslagging agent for liquid metal | |
| CN111112587A (en) | Method for reducing secondary shrinkage cavity of high-temperature alloy master alloy | |
| CN103060661A (en) | Method for casting axle box cover | |
| CN1053019C (en) | Rare earth copper fine disintegrating agent and tech. for producing same | |
| CN115433911B (en) | Aluminum scandium target material and preparation method thereof | |
| CN112680642B (en) | Modified magnesium-lithium alloy ingot and preparation method and application thereof |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200814 |
|
| RJ01 | Rejection of invention patent application after publication |