CN109608212A - A method of ladle bottom impact area of steel ladle brick is produced using waste material - Google Patents

A method of ladle bottom impact area of steel ladle brick is produced using waste material Download PDF

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Publication number
CN109608212A
CN109608212A CN201811593071.1A CN201811593071A CN109608212A CN 109608212 A CN109608212 A CN 109608212A CN 201811593071 A CN201811593071 A CN 201811593071A CN 109608212 A CN109608212 A CN 109608212A
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Prior art keywords
brick
waste material
carbon
impact area
ladle
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Withdrawn
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CN201811593071.1A
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Inventor
李捷
金昭珍
常绍刚
曹勇
王振东
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ANHUI XIAO COUNTY HUALONG REFRACTORY MATERIAL Co Ltd
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ANHUI XIAO COUNTY HUALONG REFRACTORY MATERIAL Co Ltd
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Priority to CN201811593071.1A priority Critical patent/CN109608212A/en
Publication of CN109608212A publication Critical patent/CN109608212A/en
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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
    • 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
    • C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
    • 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
    • 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
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • 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
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
    • C04B2235/3222—Aluminates other than alumino-silicates, e.g. spinel (MgAl2O4)
    • 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
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
    • C04B2235/3826—Silicon carbides
    • 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
    • C04B2235/402—Aluminium
    • 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
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    • 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
    • C04B2235/425—Graphite
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    • 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
    • C04B2235/428—Silicon
    • C—CHEMISTRY; METALLURGY
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/608—Green bodies or pre-forms with well-defined density
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
    • C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts
    • C04B2235/9676—Resistance against chemicals, e.g. against molten glass or molten salts against molten metals such as steel or aluminium

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  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

The invention discloses a kind of methods using waste material production ladle bottom impact area of steel ladle brick, and steps are as follows: handling the useless brick of magnalium carbon, obtain 5~0mm of granular-grade corundum waste material；Corundum waste material 75~80% is taken by weight, Brown Alundum 12~15%, graphite 2~3%, metallic aluminium powder 0.1~4%, metallic silicon power 0.1~4%, silicon carbide 0.1~4%, nano-carbon powder 0.5~2%, graphite, metallic aluminium powder, metallic silicon power, silicon carbide, nano-carbon powder, carbon containing resin-oatmeal are pre-mixed by carbon containing resin-oatmeal 0.5~2%, resin liquid 1.5~3%；Corundum waste material, Brown Alundum and resin liquid low speed are kneaded 2~3 minutes, the material after premixing is added, then middling speed is kneaded 20~25 minutes, discharging；Discharging is put into brick machine and strikes molding, molding bulk density is 3.10~3.15g/cm3；It is sent into electrical kiln after molding and toasts kiln discharge, obtains finished product.The present invention has intensity height, bulk density height, resistant to corrosion, antistrip performance good, and long service life, steady performance can be substantially reduced cost.

Description

A method of ladle bottom impact area of steel ladle brick is produced using waste material
Technical field
The present invention relates to a kind of methods using waste material production ladle bottom impact area of steel ladle brick, belong to steelmaking equipment technology neck Domain.
Background technique
In order to realize resource reclaim and effective use, the prior art has carried out a lot of research and application, recycles waste material master It is used to make ladle liner and packet bottom brick, but what ladle brick mainly utilized is magnesia, and packet bottom brick is then with corundum material Main, although the prior art realizes the utilization to waste material, so that purchase cost is declined, still, ladle life can not improve Or often to occur performance in use process unstable, brings negative impact to the production of steel mill instead, and therefore, many steel mills Be unwilling using reclaiming waste material make brick.
Therefore, it is necessary to solve the instability problem in reclaiming waste material use, while also wanting can be raw using the useless material of brick of recycling The brick that output good thermal shock stability, intensity are high, the service life is longer.
Summary of the invention
The present invention in order to solve the above technical problems, provide it is a kind of using waste material production ladle bottom impact area of steel ladle brick method, Environment can not only be protected, accomplish utilization of resources, moreover it is possible to improve service life, reduce enterprise's production cost, improve economical Benefit.
The present invention in order to achieve the above objectives, is adopted the technical scheme that: a kind of to be impacted using waste material production bottom of steel ladle The method of area's brick, steps are as follows:
Step 1, the brick that gives up to magnalium carbon are handled, and obtain 5~0mm of granular-grade corundum waste material；
Step 2, by weight, takes corundum waste material 75~80%, Brown Alundum 12~15%, graphite 2~3%, metallic aluminium powder 0.1~4%, Metallic silicon power 0.1~4%, silicon carbide 0.1~4%, nano-carbon powder 0.5~2%, carbon containing resin-oatmeal 0.5~2%, resin liquid 1.5~ 3%, graphite, metallic aluminium powder, metallic silicon power, silicon carbide, nano-carbon powder, carbon containing resin-oatmeal are pre-mixed；
Corundum waste material, Brown Alundum and resin liquid low speed are kneaded 5~10 minutes by step 3, high speed after the material after premixing is added It is kneaded 20~25 minutes, discharging；
Discharging is put into impact molding in brick machine by step 4, and molding bulk density is 3.10~3.15g/cm3；
Electrical kiln is sent into after step 5, molding and toasts kiln discharge, obtains finished product.
Further, the magnalium carbon give up brick processing step be sort, except iron, be crushed, aquation, toast, roll, wherein Aquation is that the 20~40mm fritter that will be crushed gives up brick, is impregnated 22~26 hours in 20~30 DEG C of water temperatures of water temperature, allow in useless brick with The substance that water energy reacts sufficiently reacts；Baking refers to toasts 7.5~8.5 hours at a temperature of 220~250 DEG C；It is rolling False particle is removed in step.
Further, the granularity of the nano-carbon powder and carbon containing resin-oatmeal is 40nm.
Further, the time of the premixing is 13~16 minutes, is sufficiently mixed nano-carbon powder with other raw materials Uniformly.
Further, the resin liquid is phenol-formaldehyde resin modified liquid.
Further, the graphite is crystalline flake graphite.
Further, the Brown Alundum is made of four kinds of granularities of the mesh of 5~3mm, 3~1mm, 1~0mm, 200, wherein 5~ 3mm:5~10%, 1~0mm:3~8%, remaining is 3~1mm and 200 mesh.
The beneficial effects of the present invention are: on the basis of not changing original process, to waste and old aluminium-magnesia carbon brick carry out aquation and High-temperature process reacts 5~0mm granular-grade corundum waste material with nano material, has intensity height, bulk density height, resistant to corrosion, resists The advantages that spalling resistance is good；It the use of furnace life is more than the magnalium carbon packet bottom brick that waste material is not added, corrosion resistance is stronger, and performance is stablized, bright It is aobvious to reduce entreprise cost.
Specific embodiment
Embodiment 1
A method of ladle bottom impact area of steel ladle brick being produced using waste material, steps are as follows:
Step 1, the brick that gives up to magnalium carbon are handled, and obtain 5~0mm of granular-grade corundum waste material；
Step 2, by weight, takes corundum waste material 75~80%, Brown Alundum 12~15%, graphite 2~3%, metallic aluminium powder 0.1~4%, Metallic silicon power 0.1~4%, silicon carbide 0.1~4%, nano-carbon powder 0.5~2%, carbon containing resin-oatmeal 0.5~2%, resin liquid 1.5~ 3%, graphite, metallic aluminium powder, metallic silicon power, silicon carbide, nano-carbon powder, carbon containing resin-oatmeal are pre-mixed；
Corundum waste material, Brown Alundum and resin liquid low speed are kneaded 5~10 minutes by step 3, high speed after the material after premixing is added It is kneaded 20~25 minutes, discharging；
Discharging is put into impact molding in brick machine by step 4, and molding bulk density is 3.10~3.15g/cm3；
Electrical kiln is sent into after step 5, molding and toasts kiln discharge, obtains finished product.
The magnalium carbon give up brick processing step be sort, except iron, be crushed, aquation, toast, roll, wherein aquation be by 20~40mm fritter for being crushed gives up brick, impregnates 22~26 hours in 20~30 DEG C of water temperatures of water temperature, allow metallic aluminium powder in useless brick, CaO etc. is sufficiently reacted with the substance that water energy reacts；Baking is toasted 8 hours by 220~250 DEG C of temperature；It rolls in step Remove false particle.Corundum material is taken out after the hydration process of the useless material of brick of magnalium carbon；Corundum material characteristic is taken out than in general aluminium-magnesia carbon brick It is low using alumina price, and corrosion resistance is strong, and thermal shock resistance is more stable.
Embodiment 2
A kind of design as embodiment 1.The granularity of the nano-carbon powder and carbon containing resin-oatmeal is 40nm.
The time of the premixing is 13~16 minutes, is sufficiently mixed nano-carbon powder and other raw materials uniformly.
The resin liquid is phenol-formaldehyde resin modified liquid.
The graphite is crystalline flake graphite.
The Brown Alundum is made of four kinds of granularities of the mesh of 5~3mm, 3~1mm, 1~0mm, 200, wherein 5~3mm:5~ 10%, 1~0mm:3~8%, remaining is 3~1mm and 200 mesh.
Embodiment 3
The specific preparation of one kind as embodiment 1.
Raw material preparation: the useless brick of magnalium carbon passes through following treatment process: sorting-rolls, obtain except iron-is crushed-aquation-is toasted- To 5-0mm granular-grade magnalium carbo-corundum waste material, weight ratio 77% is taken；Brown Alundum particle: (5-3mm, 3-1mm, 0-1mm, 200 mesh) 13%, crystalline flake graphite: 2.5%, antioxidant (metallic aluminium powder, metallic silicon power, silicon carbide) 4%, granularity guarantees the nano-sized carbon of 40nm Powder and carbon containing resin-oatmeal 1.5%, resin liquid 2.5%.
The fine powders such as graphite, nano-carbon powder, carbon containing resin-oatmeal, antioxidant powder, 200 mesh Brown Alundums are mixed according to the above ratio Mixed powder is prepared, it is spare；
By the 5-0mm granular-grade magnalium carbo-corundum waste material in raw material, (5-3mm, 3-1mm, 0-1mm) Brown Alundum particle is as bone Material, is added in muller, adds 2.5% resin liquid as bonding agent, low speed kneading 2-3 minutes, then by mixed powder Kneading machine is added, low speed is kneaded 5-10 minutes, then high speed is kneaded 18-25 minutes；It is released from high speed mixing smelting machine after mixing Pug, strike molding forms adobe in 630T friction press, and each adobe is hit between 9 times during strike, after molding Adobe, the tunnel kilning by 200-220 DEG C of temperature are copied 24 hours, that is, can be made into magnesia-alumina-carbon brick.
The magnesia-alumina-carbon brick produced in the present embodiment is subjected to Experimental comparison.
First stage: research institute's anti-slag tests (24 hours)
Waste material aluminium-magnesia carbon brick is not added, erosion ratio: 17.5%, erosion rate: 100%；
Brick of the present invention, erosion ratio: 8.5%, erosion rate: 51%
Second stage: it is applied in 130 tons of ladles of certain steel mill and the prior art compares.
130 tons of ladle 22# ladles of certain X steel mill (use 3 brick of embodiment), and 30# ladle (magnalium carbo-corundum waste material is not added Brick) use 50 furnaces (residue pile is changed in light maintenance) comparative analysis: (generally being corroded into the higher brick of VD ratio more)
The 22# ladle use condition of masonry, into LF furnace 50 times (including VD20 times).VD ratio 40%
The 30# ladle use condition of masonry, into LF furnace 50 times (including VD15 times).VD ratio 30%
The residual thick comparison of impact zone bottom brick, 22# ladle packet bottom impact zone bottom brick overall leveling, free from flaw when light maintenance.
30# ladle packet bottom impact zone brick centre is slightly recessed, free from flaw.
The residual thickness of on-site test analyzes (choosing test point is respectively corresponding position) to compare erosion rate
Each position is residual thick by 300, and 298,305,295mm (full size 350mm), erosion ratio 1.01mm/ are primary；
Waste material brick is not added, each position is residual thick by 280, and 275,280,275mm (full size 350mm), erosion ratio 1.45mm/ are primary
Phase III: brick working face (not including steel slag position) was used to carry out accurate minerals XRD analysis.
Utilize magnalium carbo-corundum waste material and nano material combination packet bottom brick；Erosion rate compares erosion resisting and increases by 30.4% (service life 30% can be improved in explanation) used brick recycling to see by accurate minerals XRD analysis result, and the brick of embodiment 3 uses Stronger spinelle, content 48.6% are formed in the middle, and nano-carbon powder use forms Sapphrine in the middle (Mg19Al45S11O80), it pays and plays anti-erosion after intensity between heat.Spinelle two parts are formed on waste material packet bottom brick minerals, One is strong spinelle, the other is weak spinelle, and intensity raising substance between heat is not formed.
Cost analysis: when waste material is not added, using aggregate corundum 50%, current one ton 3310 yuan of alumina 27%(), utilize aluminium Magnesium carbo-corundum waste material and nanometer combination brick, current one ton 2310 yuan of magnalium carbo-corundum waste material 77%(), cost decline about 30.2%, Economic benefit is obvious.(alumina particle is largely added in the aluminium-magnesia carbon brick that waste material is generally not added, because all using corundum, cost Height, use are easy to peel off in the middle)
Magnalium carbo-corundum waste material of the invention and nano material combine, and material shows excellent antistrip performance and anti-erosion Performance；Recycling and utilization rate to useless brick is high, can play protection environment, resources sustainable development, while reducing the life of enterprise Produce cost.On the basis of not changing original process, aquation and high-temperature process are carried out to waste and old aluminium-magnesia carbon brick, by 5-0mm particle Grade corundum waste material is reacted with nano material, has many advantages, such as that intensity height, bulk density height, resistant to corrosion, antistrip performance are good；It uses Furnace life is more than the magnalium carbon packet bottom brick that waste material is not added, and corrosion resistance is stronger, and performance is stablized.
The embodiment of the present application is only intended to illustrate technical characteristic disclosed in the present application, and those skilled in the art pass through simple The change that is carried out of replacement, still fall within the scope of the application.

Claims (7)

1. a kind of method using waste material production ladle bottom impact area of steel ladle brick, which is characterized in that steps are as follows:
Step 1, the brick that gives up to magnalium carbon are handled, and obtain 5~0mm of granular-grade corundum waste material；
Step 2, by weight, takes corundum waste material 75~80%, Brown Alundum 12~15%, graphite 2~3%, metallic aluminium powder 0.1~4%, Metallic silicon power 0.1~4%, silicon carbide 0.1~4%, nano-carbon powder 0.5~2%, carbon containing resin-oatmeal 0.5~2%, resin liquid 1.5~ 3%, graphite, metallic aluminium powder, metallic silicon power, silicon carbide, nano-carbon powder, carbon containing resin-oatmeal are pre-mixed；
Corundum waste material, Brown Alundum and resin liquid low speed are kneaded 5~10 minutes by step 3, high speed after the material after premixing is added It is kneaded 20~25 minutes, discharging；
Discharging is put into impact molding in brick machine by step 4, and molding bulk density is 3.10~3.15g/cm3；
Electrical kiln is sent into after step 5, molding and toasts kiln discharge, obtains finished product.
2. the method according to claim 1 using waste material production ladle bottom impact area of steel ladle brick, it is characterised in that: the aluminium Magnesium carbon give up brick processing step be sort, except iron, be crushed, aquation, toast, roll, wherein aquation be will be crushed 20~ 40mm fritter gives up brick, impregnates 22~26 hours in 20~30 DEG C of water temperatures of water temperature, allows in useless brick and fills with the substance that water energy reacts Divide reaction；Baking refers to toasts 7.5~8.5 hours at a temperature of 220~250 DEG C；False particle is removed in rolling step.
3. the method according to claim 1 using waste material production ladle bottom impact area of steel ladle brick, it is characterised in that: described to receive The granularity of rice carbon dust and carbon containing resin-oatmeal is 40nm.
4. the method according to claim 3 using waste material production ladle bottom impact area of steel ladle brick, it is characterised in that: described pre- The mixed time is 13~16 minutes, is sufficiently mixed nano-carbon powder and other raw materials uniformly.
5. the method according to claim 1 using waste material production ladle bottom impact area of steel ladle brick, it is characterised in that: the tree Rouge liquid is phenol-formaldehyde resin modified liquid.
6. the method according to claim 1 using waste material production ladle bottom impact area of steel ladle brick, it is characterised in that: the stone Ink is crystalline flake graphite.
7. the method according to claim 1 using waste material production ladle bottom impact area of steel ladle brick, it is characterised in that: the palm fibre Corundum is made of four kinds of granularities of the mesh of 5~3mm, 3~1mm, 1~0mm, 200, wherein 5~3mm:5~10%, 1~0mm:3~ 8%, remaining is 3~1mm and 200 mesh.
CN201811593071.1A 2018-12-25 2018-12-25 A method of ladle bottom impact area of steel ladle brick is produced using waste material Withdrawn CN109608212A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110357595A (en) * 2019-08-28 2019-10-22 云南濮耐昆钢高温材料有限公司 A kind of aluminium-magnesia carbon brick and preparation method thereof using recycling chrome corundum brick preparation
CN110606759A (en) * 2019-10-16 2019-12-24 上海利尔耐火材料有限公司 Novel aluminum-magnesium-carbon brick for ladle molten pool and manufacturing method thereof
CN112430105A (en) * 2020-10-30 2021-03-02 云南濮耐昆钢高温材料有限公司 Aluminum-magnesium-carbon brick prepared from regenerated tabular corundum and preparation method thereof
CN116589287A (en) * 2023-01-08 2023-08-15 无锡市南方耐材有限公司 Low-cost and long-service-life sliding plate brick and preparation method thereof

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110357595A (en) * 2019-08-28 2019-10-22 云南濮耐昆钢高温材料有限公司 A kind of aluminium-magnesia carbon brick and preparation method thereof using recycling chrome corundum brick preparation
CN110606759A (en) * 2019-10-16 2019-12-24 上海利尔耐火材料有限公司 Novel aluminum-magnesium-carbon brick for ladle molten pool and manufacturing method thereof
CN112430105A (en) * 2020-10-30 2021-03-02 云南濮耐昆钢高温材料有限公司 Aluminum-magnesium-carbon brick prepared from regenerated tabular corundum and preparation method thereof
CN116589287A (en) * 2023-01-08 2023-08-15 无锡市南方耐材有限公司 Low-cost and long-service-life sliding plate brick and preparation method thereof
CN116589287B (en) * 2023-01-08 2024-04-05 无锡市南方耐材有限公司 Low-cost and long-service-life sliding plate brick and preparation method thereof

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