CN113754415A - Composite combined ferronickel rotary kiln castable and preparation method thereof - Google Patents

Composite combined ferronickel rotary kiln castable and preparation method thereof Download PDF

Info

Publication number
CN113754415A
CN113754415A CN202111054957.0A CN202111054957A CN113754415A CN 113754415 A CN113754415 A CN 113754415A CN 202111054957 A CN202111054957 A CN 202111054957A CN 113754415 A CN113754415 A CN 113754415A
Authority
CN
China
Prior art keywords
rotary kiln
castable
alumina
ferronickel rotary
silica sol
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
Application number
CN202111054957.0A
Other languages
Chinese (zh)
Inventor
王佳宁
赵现华
张义先
侯中阳
曹贺
金钊
王皓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Haicheng Lier Maige Xita Material Co ltd
Original Assignee
Haicheng Lier Maige Xita Material Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Haicheng Lier Maige Xita Material Co ltd filed Critical Haicheng Lier Maige Xita Material Co ltd
Priority to CN202111054957.0A priority Critical patent/CN113754415A/en
Publication of CN113754415A publication Critical patent/CN113754415A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/101Refractories from grain sized mixtures
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71Ceramic products containing macroscopic reinforcing agents
    • C04B35/78Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80Fibres, filaments, whiskers, platelets, or the like
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C04B2235/3222Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/44Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/447Phosphates or phosphites, e.g. orthophosphate, hypophosphite
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656Aspects 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
    • C04B2235/6567Treatment time
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9607Thermal properties, e.g. thermal expansion coefficient
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9607Thermal properties, e.g. thermal expansion coefficient
    • C04B2235/9615Linear firing shrinkage

Abstract

The invention provides a composite combined ferronickel rotary kiln castable and a preparation method thereof. The castable comprises the following components in percentage by weight: 60-65% of alumina particles, 20-27% of alumina fine powder, 3-6% of silica micropowder, 1-4% of high-alumina cement, 2-5% of expanding agent, 0.1-0.5% of explosion-proof agent, 1-3% of steel fiber, 0.1-0.5% of water reducing agent and 8-12% of liquid silica sol. By adopting a silica sol and high-alumina cement composite combination mode to replace single cement combination or single silica sol combination, the castable with strong demolding strength and good high-temperature service performance can be obtained.

Description

Composite combined ferronickel rotary kiln castable and preparation method thereof
Technical Field
The invention relates to the technical field of unshaped refractory materials, in particular to a composite combined ferronickel rotary kiln castable and a preparation method thereof.
Background
The rotary kiln refers to a rotary calcining kiln (commonly called a rotary kiln) which is used for producing materials in a rotary mode and calcining the materials. Its technical performance and operational conditions determine to a great extent the quality, yield and cost of the products of the enterprise. The damage of the refractory lining of the rotary kiln often affects the continuity of production and is one of the common equipment accidents. Therefore, the selection of the kiln lining is very important, and the refractory material lining which is resistant to corrosion and abrasion and has the characteristic of micro expansion at high temperature is selected for the rotary kiln with the kiln coating or the rotary kiln without the kiln coating. Preventing high-temperature flame airflow and harmful substances (CO and SO)2) The materials and the airflow directly damage the kiln body. The damage mechanism of the kiln lining can be divided into mechanical stress damage, thermal damage, chemical erosion damage and the like. In order to resist the thermal stress of the kiln lining caused by high temperature, high pressure, mechanical impact and temperature change, the lining body is prevented from cracking, peeling and the like.
Disclosure of Invention
In order to overcome the defects in the background art, the invention provides a composite combined ferronickel rotary kiln castable and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the composite bonded ferronickel rotary kiln castable is bonded by high alumina cement and liquid silica sol.
The castable comprises the following components in percentage by weight: 60-65% of alumina particles, 20-27% of alumina fine powder, 3-6% of silica micropowder, 1-4% of high-alumina cement, 2-5% of expanding agent, 0.1-0.5% of explosion-proof agent, 1-3% of steel fiber, 0.1-0.5% of water reducing agent and 8-12% of liquid silica sol.
Furthermore, the silica sol is a liquid sol with the particle size of 5-100 nm.
Further, the alumina particlesThe physical and chemical performance requirements are as follows: al (Al)2O3≥75%、TiO2≥3%、CaO≤0.2%、Fe2O3≤1.7%、SiO2≤18%。
Further, the particle size of the alumina particles is required to be as follows: 8-5 mm, 5-3 mm, 3-1 mm, 1-0 mm.
Furthermore, the granularity of the alumina fine powder is 200 meshes, and the requirement of physical and chemical properties is Al2O3≥85%、TiO2≥2%、CaO≤0.2%、Fe2O3≤1.7%、SiO2≤16%。
Further, the physical and chemical performance requirements of the silicon micropowder are as follows: SiO 22≥92%,Fe2O3≤0.1%。
Further, the high-alumina cement has the following physical and chemical performance requirements: al (Al)2O3≥70%、TiO2≥2%、CaO≤28%、Fe2O3≤0.4%、SiO2≤0.3%。
Further, the expanding agent is quartz powder with the granularity of 200 meshes, and the requirements on the physical and chemical properties are as follows: SiO 22≥99%。
Further, the explosion-proof agent is organic fiber with the melting point of 340 ℃ and the length of 5 mm.
Further, the water reducing agent is sodium tripolyphosphate.
The preparation method of the composite combined ferronickel rotary kiln castable comprises the following steps:
1) the mixture prepared according to the proportion is stirred for 2 minutes, then 8 percent of liquid silica sol is added, and then the mixture is stirred for 3 minutes;
2) molding the mixture into a sample block with a set size by vibration casting, and maintaining for 24 hours;
3) baking at 110 ℃ for 24 h;
4) firing at 1350 ℃ for 3h in a high-temperature furnace.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, a composite combination mode of silica sol and high-alumina cement is adopted to replace single cement combination or single silica sol combination, so that the castable which has strong demolding strength and good high-temperature service performance can be obtained.
Detailed Description
The following describes in detail specific embodiments of the present invention.
The composite combined ferronickel rotary kiln castable adopts a silica sol and high-alumina cement composite combination mode to replace single cement combination or single silica sol combination. The weight percentages of the components are as follows: 60-65% of alumina particles, 20-27% of alumina fine powder, 3-6% of silica powder, 1-4% of high-alumina cement, 2-5% of expanding agent, 0.1-0.5% of explosion-proof agent, 1-3% of steel fiber, 0.1-0.5% of water reducing agent and 8-12% of liquid silica sol.
The bauxite particles have the following physical and chemical property requirements: al (Al)2O3≥75%、TiO2≥3%、CaO≤0.2%、Fe2O3≤1.7%、SiO2≤18%。
The bauxite particle size requirement is as follows: 8-5 mm, 5-3 mm, 3-1 mm, 1-0 mm.
The granularity of the alumina fine powder is 200 meshes, and the requirement of physical and chemical properties is Al2O3≥85%、TiO2≥2%、CaO≤0.2%、Fe2O3≤1.7%、SiO2≤16%。
The physical and chemical performance requirements of the silicon micro powder are as follows: SiO 22≥92%,Fe2O3≤0.1%。
The high-alumina cement has the following physical and chemical performance requirements: al (Al)2O3≥70%、TiO2≥2%、CaO≤28%、Fe2O3≤0.4%、SiO2≤0.3%。
The expanding agent is quartz powder with the granularity of 200 meshes, and the requirements on the physical and chemical properties are as follows: SiO 22≥99%。
The explosion-proof agent is organic fiber with the melting point of 340 ℃ and the length of 5 mm.
The silica sol is a liquid sol with the particle size of 5-100 nm.
The water reducing agent is sodium tripolyphosphate.
The preparation method of the composite combined ferronickel rotary kiln castable comprises the following steps:
1) the mixture prepared by the high-alumina cement according to the proportion is stirred for 2 minutes, then 8 percent of liquid silica sol is added, and then the mixture is stirred for 3 minutes;
2) molding the mixture into a sample block with a set size by vibration casting, and maintaining for 24 hours;
3) baking at 110 ℃ for 24 h;
4) firing at 1350 ℃ for 3h in a high-temperature furnace.
The specific embodiment is as follows:
example 1
The invention relates to a composite combined ferronickel rotary kiln castable, which comprises the following components in percentage by weight: alumina particles are 8-5 mm, 5-3 mm, 3-1 mm and 1-0 mm, alumina fine powder is 200 meshes, and quartz powder is 200 meshes.
The proportion (weight percentage) of each component is as follows: 63% of alumina particles, 27% of fine alumina powder, 1% of high-alumina cement, 5% of fine silica powder, 3% of quartz powder, 0.1% of organic fibers, 1.5% of steel fibers, 0.2% of a water reducing agent and 8% of liquid silica sol.
The mixture prepared according to the proportion is stirred for 2 minutes, 8 percent of liquid silica sol is added and then stirred for 3 minutes, the mixture is molded into a sample block of 40mm multiplied by 160mm by vibration casting, the sample block is maintained for 24 hours, the sample block is baked for 110 ℃ multiplied by 24 hours and is baked for 1350 ℃ multiplied by 3 hours in a high-temperature furnace, and the detection result is shown in the table I:
watch 1
Figure BDA0003254258620000031
Figure BDA0003254258620000041
Example 2
The invention relates to a composite combined ferronickel rotary kiln castable, which comprises the following components in percentage by weight: alumina particles are 8-5 mm, 5-3 mm, 3-1 mm and 1-0 mm, alumina fine powder is 200 meshes, and quartz powder is 200 meshes.
The proportion (weight percentage) of each component is as follows: 64 percent of alumina particles, 24 percent of alumina fine powder, 2 percent of high alumina cement, 5 percent of silicon powder, 4 percent of quartz powder, 0.1 percent of organic fiber, 1.5 percent of steel fiber, 0.2 percent of water reducing agent and 10 percent of liquid silica sol.
The mixture prepared according to the proportion is stirred for 2 minutes, 10 percent of liquid silica sol is added and then stirred for 3 minutes, the mixture is molded into a sample block with the size of 40mm multiplied by 160mm by vibration casting, the sample block is maintained for 24 hours, the sample block is baked for 110 ℃ multiplied by 24 hours and is baked for 1350 ℃ multiplied by 3 hours in a high-temperature furnace, and the detection result is shown in the second table
Watch two
Bulk density after baking at 110 ℃ for 24h 2.68g/cm3
Cold bending strength at 110 deg.c for 24 hr 7.8MPa
Cold state compression strength at 110 deg.c for 24 hr 35.1MPa
Cold bending strength at 1350 deg.C for 3 hr after burning 12.7MPa
Cold state compression strength after 1350 deg.C x 3h burning 121.2MPa
Permanent line change rate after 1350 ℃ multiplied by 3h burning +0.3%
Example 3
The invention relates to a composite combined ferronickel rotary kiln castable, which comprises the following components in percentage by weight: alumina particles are 8-5 mm, 5-3 mm, 3-1 mm and 1-0 mm, alumina fine powder is 200 meshes, and quartz powder is 200 meshes.
The proportion (weight percentage) of each component is as follows: 65% of alumina particles, 21% of fine alumina powder, 3% of high-alumina cement, 5% of fine silica powder, 5% of quartz powder, 0.1% of organic fiber, 1.5% of steel fiber, 0.2% of water reducing agent and 12% of liquid silica sol.
The mixture prepared according to the proportion is stirred for 2 minutes, 12 percent of liquid silica sol is added and then stirred for 3 minutes, the mixture is molded into a sample block with the size of 40mm multiplied by 160mm by vibration casting, the sample block is maintained for 24 hours, the sample block is baked for 110 ℃ multiplied by 24 hours and is baked for 1350 ℃ multiplied by 3 hours in a high-temperature furnace, and the detection result is shown in table III
Watch III
Bulk density after baking at 110 ℃ for 24h 2.7g/cm3
Cold bending strength at 110 deg.c for 24 hr 8.3MPa
Cold state compression strength at 110 deg.c for 24 hr 40.3MPa
Cold bending strength at 1350 deg.C for 3 hr after burning 15.2MPa
Cold state compression strength after 1350 deg.C x 3h burning 100.8MPa
Permanent line change rate after 1350 ℃ multiplied by 3h burning +0.5%
The above embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the above embodiments. The methods used in the above examples are conventional methods unless otherwise specified.

Claims (10)

1. The composite bonded ferronickel rotary kiln castable is characterized in that the bonding mode of the castable is a composite bonding mode of high-alumina cement and liquid silica sol.
2. The composite bonded ferronickel rotary kiln castable according to claim 1, wherein the castable comprises the following components in percentage by weight: 60-65% of alumina particles, 20-27% of alumina fine powder, 3-6% of silica micropowder, 1-4% of high-alumina cement, 2-5% of expanding agent, 0.1-0.5% of explosion-proof agent, 1-3% of steel fiber, 0.1-0.5% of water reducing agent and 8-12% of liquid silica sol.
3. The composite bonded ferronickel rotary kiln castable material according to claim 1, wherein the silica sol is a liquid sol with a particle size of 5-100 nm.
4. The composite bonded ferronickel rotary kiln castable material according to claim 2, wherein the bauxite particles have physical and chemical property requirements of: al (Al)2O3≥75%、TiO2≥3%、CaO≤0.2%、Fe2O3≤1.7%、SiO2≤18%。
5. The composite bonded ferronickel rotary kiln castable material according to claim 2, wherein the bauxite grain size requirement is as follows: 8-5 mm, 5-3 mm, 3-1 mm, 1-0 mm.
6. The composite bonded ferronickel rotary kiln castable according to claim 2, wherein the alumina fine powder has a particle size of 200 meshes and physical and chemical performance requirements of Al2O3≥85%、TiO2≥2%、CaO≤0.2%、Fe2O3≤1.7%、SiO2≤16%。
7. The composite bonded ferronickel rotary kiln castable according to claim 2, wherein the fine silica powder has physical and chemical performance requirements of: SiO 22≥92%,Fe2O3≤0.1%。
8. The composite bonded ferronickel rotary kiln castable material according to claim 2, wherein the high alumina cement has physical and chemical performance requirements of: al (Al)2O3≥70%、TiO2≥2%、CaO≤28%、Fe2O3≤0.4%、SiO2≤0.3%。
9. The composite bonded ferronickel rotary kiln castable according to claim 2, wherein the expanding agent is quartz powder with a particle size of 200 meshes, and the physical and chemical performance requirements are as follows: SiO 22≥99%。
10. The method for preparing the composite bonded ferronickel rotary kiln castable according to claim 1, characterized by comprising the following steps:
1) the mixture prepared according to the proportion is stirred for 2 minutes, then 8 percent of liquid silica sol is added, and then the mixture is stirred for 3 minutes;
2) molding the mixture into a sample block with a set size by vibration casting, and maintaining for 24 hours;
3) baking at 110 ℃ for 24 h;
4) firing at 1350 ℃ for 3h in a high-temperature furnace.
CN202111054957.0A 2021-09-09 2021-09-09 Composite combined ferronickel rotary kiln castable and preparation method thereof Pending CN113754415A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111054957.0A CN113754415A (en) 2021-09-09 2021-09-09 Composite combined ferronickel rotary kiln castable and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111054957.0A CN113754415A (en) 2021-09-09 2021-09-09 Composite combined ferronickel rotary kiln castable and preparation method thereof

Publications (1)

Publication Number Publication Date
CN113754415A true CN113754415A (en) 2021-12-07

Family

ID=78794207

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111054957.0A Pending CN113754415A (en) 2021-09-09 2021-09-09 Composite combined ferronickel rotary kiln castable and preparation method thereof

Country Status (1)

Country Link
CN (1) CN113754415A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4244745A (en) * 1978-06-22 1981-01-13 Hoganas Ab High-strength refractory casting compound for the manufacture of monolithic linings
CN102351547A (en) * 2011-07-06 2012-02-15 马鞍山市泰来冶金炉料有限责任公司 High strength high temperature resistance semi-lightweight high alumina castable and its preparation method
CN102491770A (en) * 2011-12-06 2012-06-13 安徽瑞泰新材料科技有限公司 Wear-resisting castable refractory
CN102491768A (en) * 2011-12-06 2012-06-13 安徽瑞泰新材料科技有限公司 Composite bonding wear-resistant castable refractory
CN102633513A (en) * 2012-05-08 2012-08-15 中国钢研科技集团有限公司 Fast-baking explosion proof type refractory castable for blast furnace iron runner
CN113149675A (en) * 2021-06-01 2021-07-23 河南玉和新型节能建材有限公司 Low-cement refractory castable for pumping construction

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4244745A (en) * 1978-06-22 1981-01-13 Hoganas Ab High-strength refractory casting compound for the manufacture of monolithic linings
CN102351547A (en) * 2011-07-06 2012-02-15 马鞍山市泰来冶金炉料有限责任公司 High strength high temperature resistance semi-lightweight high alumina castable and its preparation method
CN102491770A (en) * 2011-12-06 2012-06-13 安徽瑞泰新材料科技有限公司 Wear-resisting castable refractory
CN102491768A (en) * 2011-12-06 2012-06-13 安徽瑞泰新材料科技有限公司 Composite bonding wear-resistant castable refractory
CN102633513A (en) * 2012-05-08 2012-08-15 中国钢研科技集团有限公司 Fast-baking explosion proof type refractory castable for blast furnace iron runner
CN113149675A (en) * 2021-06-01 2021-07-23 河南玉和新型节能建材有限公司 Low-cement refractory castable for pumping construction

Similar Documents

Publication Publication Date Title
CN107805058B (en) Corundum bottom-covering brick for steel ladle and preparation method thereof
CN107032810B (en) Gunning mix with excellent bonding performance for sintering large flue and preparation method
CN106892647B (en) Composite magnesia carbon brick and preparation method thereof
CN101240125A (en) High-temperature wearable composite dope for electric power boiler flue
CN111187090A (en) Spinel micropowder castable for ladle and method for preparing prefabricated part by using castable
CN113716969B (en) Mullica anti-skinning castable and preparation method of prefabricated part
CN109020520B (en) Ceramic roller rod with thermal shock resistance and high-temperature creep resistance and preparation method thereof
CN111253166A (en) Al containing reclaimed material2O3-SiC-C brick and preparation method thereof
CN114560710B (en) Ceramic-bonded hercynite kiln mouth castable and preparation method thereof
CN107032811B (en) Low-iron and low-aluminum mullite brick for coke oven and preparation method thereof
CN102603318B (en) Long-service-life lining material for whole pipeline of large and medium sized blast furnace hot blast stove
CN115321956A (en) High-temperature liquid phase toughened magnesia carbon brick and preparation method thereof
CN109970459B (en) Columnar mullite high-abrasion-resistant brick and preparation method thereof
CN111004025A (en) Component of slag adhering resisting coating for ladle lining and preparation method thereof
CN113321495A (en) Cement-free high-performance pumping furnace hearth material
CN111533547B (en) Low-aluminum high-silicon high-strength non-deforming glazed tile and preparation method thereof
CN101417883A (en) Bauxite base slight expansion high-alumina brick for ladle and method for producing the same
CN113754415A (en) Composite combined ferronickel rotary kiln castable and preparation method thereof
CN112194471A (en) Ultralow-porosity high-alumina brick and preparation process thereof
CN111205068A (en) Box type resistance furnace complex phase gradient furnace door brick and manufacturing method thereof
CN114644512A (en) Erosion-resistant submerged nozzle for continuous casting of special steel and preparation method thereof
CN114315322A (en) Furnace lining material for high-titanium iron smelting
CN114394824A (en) Preparation method of heat-insulating tile block with complex shape for combustion chamber of gas turbine
CN112939618A (en) Anti-skinning zircon-based alkali-resistant brick for cement kiln and preparation method thereof
CN113956054A (en) Heat-insulating refractory material for rotary kiln and preparation method 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: 20211207

RJ01 Rejection of invention patent application after publication