CN107311624A - A kind of anti-erosion gunning refractory - Google Patents
A kind of anti-erosion gunning refractory Download PDFInfo
- Publication number
- CN107311624A CN107311624A CN201710510662.7A CN201710510662A CN107311624A CN 107311624 A CN107311624 A CN 107311624A CN 201710510662 A CN201710510662 A CN 201710510662A CN 107311624 A CN107311624 A CN 107311624A
- Authority
- CN
- China
- Prior art keywords
- parts
- mixed
- refractory
- erosion
- quality
- 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.)
- Withdrawn
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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/03—Shaped 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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite
- C04B35/04—Shaped 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 magnesium oxide, calcium oxide or oxide mixtures derived from dolomite based on magnesium oxide
- C04B35/043—Refractories from grain sized mixtures
-
- 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
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3436—Alkaline earth metal silicates, e.g. barium silicate
- C04B2235/3445—Magnesium silicates, e.g. forsterite
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
-
- 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
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
-
- 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
- C04B2235/3804—Borides
- C04B2235/3813—Refractory metal borides
-
- 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
- C04B2235/425—Graphite
-
- 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
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/447—Phosphates or phosphites, e.g. orthophosphate, hypophosphite
-
- 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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5216—Inorganic
-
- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- 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
- C04B2235/70—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
-
- 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
- C04B2235/70—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
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
-
- 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
- C04B2235/70—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
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)
- Ceramic Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention belongs to unshape refractory technical field, and in particular to a kind of anti-erosion gunning refractory.The present invention is by clay, glass fibre, quartz mix grinding sieves, obtain mixed-powder, with mixed-powder after then acrylic acid is mixed with sodium hydroxide solution, neopelex stirs to obtain emulsion mixture, and by emulsion mixture and Tween 80, ammonium persulfate etc. reacts, binding agent is made, again by graphite, aluminum oxide and rice husk are calcined after pulverizing and sieving, calcined material is made, by itself and zirconium boride, with magnesia after the sieving of aluminum-spinel ball milling, alumine, binding agent etc. is stirred, anti-erosion gunning refractory can be obtained, with good elevated temperature strength when gunning refractory produced by the present invention is used, good volume stability and excellent corrosion resistance, it is the ideal material of refractory part hot patching.
Description
Technical field
The invention belongs to unshape refractory technical field, and in particular to a kind of anti-erosion gunning refractory.
Background technology
With the development and progress of hot industry, high temperature production condition is more and more harsher, also promotes fire resisting manufacturing enterprise not
Disconnected research and development low cost, the refractory material of long lifespan.During high temperature production, uneven because of refractory lining is invaded
The local damage lost and caused, can directly result in the decline of refractory material service life and the serious waste of refractory material.In order to
Refractory material service life can be improved, the maximization of refractory material utilization rate is realized, various hot gunning technologies and gunning refractory
Arise at the historic moment.Gunning refractory can direct spraying in refractory material damaged part, complete hot lower patch work, effectively extension height
The service life of warm part, in addition, gunning refractory has the features such as easy to operate, repairing is quick, thus it is deep by high temperature production and resistance to
Fiery enterprise welcomes.
Existing gunning refractory is generally magnesian gunning refractory, is magnesia, chemical bond and additional by matching somebody with somebody with certain granules level
Agent composition.Such a gunning refractory refractoriness is high, but there is also some problems, mainly gunning refractory elevated temperature strength in use
Relatively low, simultaneously because magnesia aquation problem is serious, spray repair accumulation is easily fallen off, and causes the corrosion resistance of gunning refractory poor.
It would therefore be highly desirable to develop, a kind of corrosion resistance is strong, elevated temperature strength is high, and the gunning refractory that spray repair accumulation will not be fallen off.
The content of the invention
Present invention mainly solves technical problem：It is relatively low for existing gunning refractory elevated temperature strength, while the easy hair of spray repair accumulation
Life comes off, and causing the poor defect of the corrosion resistance of gunning refractory, there is provided a kind of anti-erosion gunning refractory.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of anti-erosion gunning refractory, is counted by weight, including 60~70 parts of magnesite clinkers, 20~30 parts of fused magnesites, 5~10
Part alumine, 5~10 parts of magnesite, 15~25 parts of refractory particles, 1~3 part of sodium tripolyphosphate, 1~3 part of sepiolite and 5~
10 parts of binding agents；
The preparation method of described refractory particle is：
（1）In mass ratio 5：1：1, graphite, aluminum oxide and rice husk are weighed respectively, are added in pulverizer and are crushed after mixing, excessively 300~
320 mesh sieves, obtain mixed-powder, and mixed-powder is added in Muffle furnace, go out after being warming up to 500~650 DEG C, 2~4h of insulation calcining
Material, obtains calcined material；
（2）Count by weight, 20~30 parts of calcined materials, 10~15 parts of zirconium borides, 5~10 parts of aluminum-spinels and 3 are taken respectively
~5 parts of hercynites, sequentially add ball milling in ball mill, cross 200~220 mesh sieves, obtain refractory particle.
The preparation process of described binding agent is：
（1）Count by weight, 70~80 parts of clays, 10~15 parts of glass fibres, 20~40 parts of sericites, 40~50 are taken respectively
Part quartz and 40~60 parts of attapulgites, add in grinder and grind, and sieving obtains mixed-powder；
（2）In mass ratio 1:5, acrylic acid is added dropwise in sodium hydroxide solution, stirring mixes to obtain neutralizer；
（3）After mixed-powder and neutralizer are mixed, neopelex is added, and is transferred in high speed dispersor, is mixed
Obtain emulsion mixture；
（4）Emulsion mixture is added in reactor, and it is sub- to sequentially add into reactor Tween-80, ammonium persulfate and N, N-
Binding agent is obtained after bisacrylamide, heating response.
Step（2）Described in sodium hydroxide solution mass fraction be 5%.
Step（3）Described in mixed-powder and neutralizer quality be 1:10, described neopelex
Quality is neutralizer quality 1~3%.
Step（4）Described in Tween-80 quality be emulsion mixture quality 0.3~0.5%, ammonium persulfate quality for breast
Change mixed liquor quality 0.8~1.0%, N, N- methylene-bisacrylamides quality is emulsion mixture quality 1~2%.
The beneficial effects of the invention are as follows：
（1）Graphite and aluminum oxide that the present invention is introduced in the refractory particle of gunning refractory, make refractory particle have good anti-stove
Scouring ability, can generate silica after rice husk calcining, the intensity inside graphite can be improved after being supported in graphite hole gap,
So as to enhance the volume stability and corrosion resistance of gunning refractory, aluminum-spinel and hercynite are added, can be promoted
The formation of mullite, enables the thermal shock resistance and corrosion resistance of material further to improve, and spray repair can be improved by adding zirconium boride
The intensity of material；
（2）The present invention adds alumine in gunning refractory, can reduce the mobile performance of gunning refractory, and adds gunning refractory baking
Intensity after dry and burning, adding sepiolite can make to produce stronger bond strength between gunning refractory and refractory material damaged part,
Spray repair accumulation will not be fallen off, and can also realize that gunning refractory condenses rapidly the requirement of hardening；
（3）The anti-erosion gunning refractory that the present invention is prepared has excellent high temperature anti-slag erosion performance and elevated temperature strength, can make
Material meets high temperature and quickly obtains elevated temperature strength, and spray repair accumulation will not be fallen off.
Embodiment
Count by weight, take respectively 70~80 parts of clays, 10~15 parts of glass fibres, 20~40 parts of sericites, 40~
50 parts of quartzs and 40~60 parts of attapulgites, add in grinder and grind, and cross 220~240 mesh sieves, mixed-powder are obtained, by matter
Amount compares 1:5, acrylic acid is added dropwise in the sodium hydroxide solution of mass fraction 5%, stirring mixes to obtain neutralizer, in mass ratio 1:10,
After mixed-powder and neutralizer are mixed, the neopelex of neutralizer quality 1~3% is added, and is transferred to scattered at a high speed
In machine, with 2000~2500r/min rotating speeds stirring 15~20min of mixing, after stirring emulsion mixture, by emulsion mixture plus
Enter in reactor, and sequentially add into reactor the Tween-80 of emulsion mixture quality 0.3~0.5%, emulsion mixture quality
0.8~1.0% ammonium persulfate and emulsion mixture quality 1~2%N, N- methylene-bisacrylamide, are heated to 60~70 DEG C, stir
2~4h of reaction is mixed, binding agent, in mass ratio 5 are obtained after reaction：1：1, graphite, aluminum oxide and rice husk are weighed respectively, are added after mixing
Crushed in pulverizer, cross 300~320 mesh sieves, obtain mixed-powder, mixed-powder is added in Muffle furnace, 500~650 are warming up to
DEG C, insulation 2~4h of calcining discharges after calcining, obtains calcined material, count by weight, 20~30 parts of calcined materials, 10~15 are taken respectively
Part zirconium boride, 5~10 parts of aluminum-spinels and 3~5 parts of hercynites, add ball milling in ball mill, cross 200~220 mesh sieves,
Refractory particle is obtained, counts by weight, takes 60~70 parts of magnesite clinkers, 20~30 parts of fused magnesites, 5~10 parts of alumines, 5
~10 parts of magnesite, 15~25 parts of refractory particles, 1~3 part of sodium tripolyphosphate, 1~3 part of sepiolite and 5~10 parts of binding agents, are stirred
Anti-erosion gunning refractory can be obtained after mixing uniformly.
Example 1
Count by weight, 70 parts of clays, 10 parts of glass fibres, 20 parts of sericites, 40 parts of quartzs and 40 parts of bumps are taken respectively
Rod soil, adds in grinder and grinds, and crosses 220 mesh sieves, obtains mixed-powder, in mass ratio 1:5, acrylic acid is added dropwise to mass fraction
In 5% sodium hydroxide solution, stirring mixes to obtain neutralizer, in mass ratio 1:10, after mixed-powder and neutralizer are mixed, add
The neopelex of neutralizer quality 1%, and be transferred in high speed dispersor, stirred and mixed with 2000r/min rotating speeds
15min, after stirring emulsion mixture, emulsion mixture is added in reactor, and it is mixed to sequentially add into reactor emulsification
Close the Tween-80 of liquid quality 0.3%, the ammonium persulfate of emulsion mixture quality 0.8% and emulsion mixture quality 1%N, N- di-2-ethylhexylphosphine oxide
Acrylamide, is heated to 60 DEG C, stirring reaction 2h obtains binding agent, in mass ratio 5 after reaction：1：1, graphite, oxidation are weighed respectively
Aluminium and rice husk mixing, and crushing in pulverizer is added, 300 mesh sieves are crossed, mixed-powder is obtained, mixed-powder is added in Muffle furnace,
Be warming up to 500 DEG C, insulation calcining 2h discharges after calcining, obtains calcined material, count by weight, take respectively 20 parts of calcined materials, 10 parts
Zirconium boride, 5 parts of aluminum-spinels and 3 parts of hercynites, add ball milling in ball mill, cross 200 mesh sieves, obtain refractory particle, press
Parts by weight meter, take 60 parts of magnesite clinkers, 20 parts of fused magnesites, 5 parts of alumines, 5 parts of magnesite, 15 parts of refractory particles, 1 part
Sodium tripolyphosphate, 1 part of sepiolite and 5 parts of binding agents, can obtain anti-erosion gunning refractory after stirring.
Example 2
Count by weight, 75 parts of clays, 13 parts of glass fibres, 30 parts of sericites, 45 parts of quartzs and 50 parts of bumps are taken respectively
Rod soil, adds in grinder and grinds, and crosses 230 mesh sieves, obtains mixed-powder, in mass ratio 1:5, acrylic acid is added dropwise to mass fraction
In 5% sodium hydroxide solution, stirring mixes to obtain neutralizer, in mass ratio 1:10, after mixed-powder and neutralizer are mixed, add
The neopelex of neutralizer quality 2%, and be transferred in high speed dispersor, stirred and mixed with 2250r/min rotating speeds
18min, after stirring emulsion mixture, emulsion mixture is added in reactor, and it is mixed to sequentially add into reactor emulsification
Close the Tween-80 of liquid quality 0.4%, the ammonium persulfate of emulsion mixture quality 0.9% and emulsion mixture quality 1%N, N- di-2-ethylhexylphosphine oxide
Acrylamide, is heated to 65 DEG C, stirring reaction 3h obtains binding agent, in mass ratio 5 after reaction：1：1, graphite, oxidation are weighed respectively
Aluminium and rice husk mixing, and crushing in pulverizer is added, 310 mesh sieves are crossed, mixed-powder is obtained, mixed-powder is added in Muffle furnace,
Be warming up to 575 DEG C, insulation calcining 3h discharges after calcining, obtains calcined material, count by weight, take respectively 25 parts of calcined materials, 13 parts
Zirconium boride, 8 parts of aluminum-spinels and 4 parts of hercynites, add ball milling in ball mill, cross 210 mesh sieves, obtain refractory particle, press
Parts by weight meter, take 65 parts of magnesite clinkers, 25 parts of fused magnesites, 8 parts of alumines, 8 parts of magnesite, 20 parts of refractory particles, 2 parts
Sodium tripolyphosphate, 2 parts of sepiolites and 8 parts of binding agents, can obtain anti-erosion gunning refractory after stirring.
Example 3
Count by weight, 80 parts of clays, 15 parts of glass fibres, 40 parts of sericites, 50 parts of quartzs and 60 parts of bumps are taken respectively
Rod soil, adds in grinder and grinds, and crosses 240 mesh sieves, obtains mixed-powder, in mass ratio 1:5, acrylic acid is added dropwise to mass fraction
In 5% sodium hydroxide solution, stirring mixes to obtain neutralizer, in mass ratio 1:10, after mixed-powder and neutralizer are mixed, add
The neopelex of neutralizer quality 3%, and be transferred in high speed dispersor, stirred and mixed with 2500r/min rotating speeds
20min, after stirring emulsion mixture, emulsion mixture is added in reactor, and it is mixed to sequentially add into reactor emulsification
Close the Tween-80 of liquid quality 0.5%, the ammonium persulfate of emulsion mixture quality 1.0% and emulsion mixture quality 2%N, N- di-2-ethylhexylphosphine oxide
Acrylamide, is heated to 70 DEG C, stirring reaction 4h obtains binding agent, in mass ratio 5 after reaction：1：1, graphite, oxidation are weighed respectively
Aluminium and rice husk mixing, and crushing in pulverizer is added, 320 mesh sieves are crossed, mixed-powder is obtained, mixed-powder is added in Muffle furnace,
Be warming up to 650 DEG C, insulation calcining 4h discharges after calcining, obtains calcined material, count by weight, take respectively 30 parts of calcined materials, 15 parts
Zirconium boride, 10 parts of aluminum-spinels and 5 parts of hercynites, add ball milling in ball mill, cross 220 mesh sieves, obtain refractory particle, press
Parts by weight meter, takes 70 parts of magnesite clinkers, 30 parts of fused magnesites, 10 parts of alumines, 10 parts of magnesite, 25 parts of refractory particles, 3
Part sodium tripolyphosphate, 3 parts of sepiolites and 10 parts of binding agents, can obtain anti-erosion gunning refractory after stirring.
Comparative example：The magnesian gunning refractory of Science and Technology Ltd. of Yingkou City production.
Anti-erosion gunning refractory made from example 1~3 and the magnesian gunning refractory of comparative example are entered by method used below respectively
Row construction, and gunning refractory performance is detected, its testing result is as shown in table 1：
Application method：Gunning refractory is mixed into 5min with water stirring first, spray repair slurry is obtained, the consumption for controlling water is gunning refractory quality
7%, followed by high pressure painting tank by spray repair slurry even application in refractory material damaged part, control the coating thickness to be
50mm, spray pressure is 0.5MPa, it is to be sprayed after the completion of, in temperature be 1100 DEG C at sintering curing.
Table 1
As can be seen from the above table, with good elevated temperature strength, good body when anti-erosion gunning refractory produced by the present invention is used
Product stability and excellent corrosion resistance, are the ideal materials of refractory part hot patching.
Claims (5)
1. a kind of anti-erosion gunning refractory, is counted by weight, including 60~70 parts of magnesite clinkers, 20~30 parts of fused magnesites, 5~
10 parts of alumines, 5~10 parts of magnesite, 15~25 parts of refractory particles, 1~3 part of sodium tripolyphosphate, 1~3 part of sepiolite and 5
~10 parts of binding agents；
It is characterized in that：The preparation method of described refractory particle is：
（1）In mass ratio 5：1：1, graphite, aluminum oxide and rice husk are weighed respectively, are added in pulverizer and are crushed after mixing, excessively 300~
320 mesh sieves, obtain mixed-powder, and mixed-powder is added in Muffle furnace, go out after being warming up to 500~650 DEG C, 2~4h of insulation calcining
Material, obtains calcined material；
（2）Count by weight, 20~30 parts of calcined materials, 10~15 parts of zirconium borides, 5~10 parts of aluminum-spinels and 3 are taken respectively
~5 parts of hercynites, sequentially add ball milling in ball mill, cross 200~220 mesh sieves, obtain refractory particle.
2. a kind of anti-erosion gunning refractory according to claim 1, it is characterised in that：The preparation process of described binding agent is：
（1）Count by weight, 70~80 parts of clays, 10~15 parts of glass fibres, 20~40 parts of sericites, 40~50 are taken respectively
Part quartz and 40~60 parts of attapulgites, add in grinder and grind, and sieving obtains mixed-powder；
（2）In mass ratio 1:5, acrylic acid is added dropwise in sodium hydroxide solution, stirring mixes to obtain neutralizer；
（3）After mixed-powder and neutralizer are mixed, neopelex is added, and is transferred in high speed dispersor, is mixed
Obtain emulsion mixture；
（4）Emulsion mixture is added in reactor, and it is sub- to sequentially add into reactor Tween-80, ammonium persulfate and N, N-
Binding agent is obtained after bisacrylamide, heating response.
3. a kind of anti-erosion gunning refractory according to claim 2, it is characterised in that：Step（2）Described in sodium hydroxide
The mass fraction of solution is 5%.
4. a kind of anti-erosion gunning refractory according to claim 2, it is characterised in that：Step（3）Described in mixed-powder
Quality with neutralizer is 1:10, the quality of described neopelex is neutralizer quality 1~3%.
5. a kind of anti-erosion gunning refractory according to claim 2, it is characterised in that：Step（4）Described in Tween-80 matter
Measure as emulsion mixture quality 0.3~0.5%, ammonium persulfate quality is emulsion mixture quality 0.8~1.0%, N, N- methylene
Bisacrylamide quality is emulsion mixture quality 1~2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710510662.7A CN107311624A (en) | 2017-06-28 | 2017-06-28 | A kind of anti-erosion gunning refractory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710510662.7A CN107311624A (en) | 2017-06-28 | 2017-06-28 | A kind of anti-erosion gunning refractory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107311624A true CN107311624A (en) | 2017-11-03 |
Family
ID=60180840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710510662.7A Withdrawn CN107311624A (en) | 2017-06-28 | 2017-06-28 | A kind of anti-erosion gunning refractory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107311624A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108129154A (en) * | 2017-12-12 | 2018-06-08 | 王建东 | A kind of steelmaking aluminum magnesium gunning material |
| CN108218402A (en) * | 2017-12-30 | 2018-06-29 | 汪逸凡 | A kind of preparation method of gunning refractory |
| CN111718185A (en) * | 2020-07-07 | 2020-09-29 | 王凤君 | Gunning mix |
| CN114644481A (en) * | 2020-12-21 | 2022-06-21 | 中国京冶工程技术有限公司 | Heat-insulating anti-erosion slag-isolating coating material for slag pot and preparation method and application thereof |
| CN115626814A (en) * | 2022-10-21 | 2023-01-20 | 鞍山钢铁冶金炉材科技有限公司 | Converter large fabric produced by magnesite tailing powder and preparation method thereof |
-
2017
- 2017-06-28 CN CN201710510662.7A patent/CN107311624A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108129154A (en) * | 2017-12-12 | 2018-06-08 | 王建东 | A kind of steelmaking aluminum magnesium gunning material |
| CN108218402A (en) * | 2017-12-30 | 2018-06-29 | 汪逸凡 | A kind of preparation method of gunning refractory |
| CN111718185A (en) * | 2020-07-07 | 2020-09-29 | 王凤君 | Gunning mix |
| CN114644481A (en) * | 2020-12-21 | 2022-06-21 | 中国京冶工程技术有限公司 | Heat-insulating anti-erosion slag-isolating coating material for slag pot and preparation method and application thereof |
| CN115626814A (en) * | 2022-10-21 | 2023-01-20 | 鞍山钢铁冶金炉材科技有限公司 | Converter large fabric produced by magnesite tailing powder and preparation method thereof |
| CN115626814B (en) * | 2022-10-21 | 2023-10-13 | 鞍山钢铁冶金炉材科技有限公司 | Converter large fabric produced by using magnesite tailing powder and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107311624A (en) | A kind of anti-erosion gunning refractory | |
| CN103693973B (en) | Refractory brick for dry-quenching coke oven and preparation method of refractory brick | |
| CN100586899C (en) | Baking-free hot-metal bottle lining brick | |
| CN105859314B (en) | A kind of smelting molten steel equipment carbon containing gunning refractory and preparation method thereof | |
| CN106083075B (en) | The restorative procedure of blast-furnace shaft upper inner liner wet spray material, its application and blast-furnace shaft upper inner liner | |
| CN107032810A (en) | A kind of excellent sintering large flue gunning refractory of adhesive property and preparation method | |
| CN101367667A (en) | Flame-proof mending material for foundry ladle and manufacturing method thereof | |
| CN104926333A (en) | Silica sol combined wet-type spraying material | |
| CN101602595A (en) | Silicasol-combined corundum castable and prepare the method for abrasion-proof prefabricated component | |
| CN103073311B (en) | Fast fill pouring material for working lining of swinging chute and preparation method of material thereof | |
| CN107954695A (en) | A kind of inorfil activeness and quietness polishing slag base foamed ceramic plate and preparation method thereof | |
| CN105174983B (en) | A kind of RH liners magnesia-spinel brick and preparation method thereof | |
| CN103641505B (en) | A kind of continuous casting production working lining slag line coating and preparation method thereof | |
| CN102731123A (en) | High-alumina high-temperature fire-resistance casting material and preparation method thereof | |
| CN106396712A (en) | Castable for steel ladle heater burner and preparation method thereof | |
| CN104671804A (en) | High-alumina plastic refractory and preparation method thereof | |
| JP2000016843A (en) | Alumina cement, alumina cement composition, its amorphous refractory, and spay application using the same | |
| CN103193437B (en) | Decorative sheet | |
| CN107963908A (en) | A kind of high-strength light-weight brick and preparation method thereof | |
| CN101412631B (en) | Light-weight refractory brick | |
| CN105218116B (en) | A kind of chromium-free brick and preparation method thereof | |
| CN104671801A (en) | Corundum wearing-resistant plastic refractory and preparation method thereof | |
| CN109467449A (en) | A kind of preparation method of anti-erosion siliceous mullite brick | |
| CN108467274A (en) | A kind of preparation method of thermophilic and refractory plastic material | |
| CN100418924C (en) | Method for preparing Ca-alpha-SiAlON material using iron selection tailings |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171103 |