CN108164271A - A kind of preparation method of kiln flame-proof pouring material special - Google Patents
A kind of preparation method of kiln flame-proof pouring material special Download PDFInfo
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- CN108164271A CN108164271A CN201711376979.2A CN201711376979A CN108164271A CN 108164271 A CN108164271 A CN 108164271A CN 201711376979 A CN201711376979 A CN 201711376979A CN 108164271 A CN108164271 A CN 108164271A
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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
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
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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
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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
- C04B35/626—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
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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
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
- C04B35/6316—Binders based on silicon compounds
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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
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
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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
- 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
Abstract
The invention discloses a kind of preparation methods of kiln flame-proof pouring material special, belong to technical field of refractory materials.Aluminum nitrate solution is placed in three-necked flask by the present invention, and three-necked flask is placed in digital display and is tested the speed in constant temperature blender with magnetic force, urea liquid is added dropwise into three-necked flask with dropping funel again, after urea liquid is added dropwise, heating stirring, then to carbomer liquid is added in three-necked flask, heating stirring is to get mixed serum；By activated steel slag, cement, polyvinyl alcohol liquid, chitosan liquid, phosphatide, water-reducing agent, silane coupling agent, water is placed in batch mixer, is stirred, and obtains mixed slurry；Mixed serum is added in into batch mixer again, is stirred to get kiln flame-proof pouring material special.Kiln flame-proof pouring material special prepared by technical solution of the present invention has the characteristics that excellent thermal shock resistance.
Description
Technical field
The invention discloses a kind of preparation methods of kiln flame-proof pouring material special, belong to technical field of refractory materials.
Background technology
Refractory material refers to that refractoriness is not less than 1580 DEG C of a kind of inorganic non-metallic material, because it is in hot conditions physics
Chemical property is stablized, and is widely used in industrial every field, such as steel, non-ferrous metal, cement, petrochemical industry, military project
Deng, be ensure industry normal operation and technological innovation development important foundation backing material.There are many kinds of classification sides for refractory material
Formula can be divided into sizing refractory material and amorphous refractory according to supply of material form to divide.Castable refractory is a kind of typical case
Amorphous refractory, it refers to be collectively constituted by the particles of aggregates of rational gradation composition, fine powder and bonding agent and additive mixed
Close material.Castable refractory is usually delivered goods with dry state, without fixed shape, add water or other liquid can be made into pulpous state, mud paste and
Fluffy carries out casting and constructing.After moulding by casting through after a period of time aquation, solidification after obtain some strength, nothing after baking
It need to fire and directly use.Castable refractory has many advantages, such as simple production process, easy for construction, and service life is long, Chang Beizuo
Inner lining material for thermal kiln furnace and equipment is widely used.In recent years, the new varieties of castable refractory continuously emerge, pass through
Change the combination matching and production technology of material, the dosage and classification, the selection of additive and technology of preparing of bonding agent addition
Update, its is all made to integrate using effect and is continuously improved, application field also constantly extends.
Castable refractory used in the stove of heat preservation and melting aluminum will be subjected to various damages, mainly thermal shock, machine
Tool impact, abrasion and erosion.In order to select the castable refractory of most repellence, needing to establish between each performance a kind of can carry
The relationship of high-resistance.Need to consider emphatically is the increase of unfavorable factor, in the stove of particularly various processing Al-alloy products
Around metal wire for example：Molten slag layer, fluxing agent plus people, exhaust, removal diamond dust etc., and the temperature on metal wire is reachable
To 1300 DEG C or higher, and in charge of stove, heating and cooling period to bear Thermal-shock Damage ability poor for traditional castable refractory.
Therefore, how to improve the shortcomings that traditional castable refractory thermal shock resistance is poor, to obtain the fire resisting of more high combination property
Castable is that it is promoted with applied to broader field, meeting industrial production demand urgent problem to be solved.
Invention content
The present invention solves the technical problem of：For traditional castable refractory thermal shock resistance it is poor the shortcomings that, provide
A kind of preparation method of kiln flame-proof pouring material special.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）It counts in parts by weight, takes 20~30 parts of urea liquids, 20~30 parts of carbomer liquid, 50~60 parts of aluminum nitrate solutions will
Urea liquid is added dropwise in aluminum nitrate solution, and heating stirring mixing then adds in carbomer liquid, continues heating stirring mixing, i.e.,
Obtain mixed serum；
（2）It counts in parts by weight, by 40~50 parts of slags, 20~30 parts of cement, 20~30 parts of polyvinyl alcohol liquid, 20~30 parts of shells
Glycan liquid, 8~10 parts of phosphatide, 4~5 parts of water-reducing agents, 5~6 parts of silane coupling agents, 40~50 parts of water are stirred, and obtain mixing slurry
Material；
（3）The mixed serum of 0.3~0.5 times of slag quality is added in into above-mentioned mixed slurry, is stirred special to get kiln
Castable refractory.
Step（1）The preparation process of the carbomer liquid is：By carbomer and water in mass ratio 1：50~1：100 mixing are quiet
After putting swelling, heating stirring is mixed to get carbomer liquid；The carbomer is CARBOPOL 971, CARBOPOL 974P or carbomer
Any one in 934P.
Step（2）The slag can also be activated steel slag；The preparation process of the activated steel slag is：By grinding aid and steel
Slag in mass ratio 1：50~1：100 combined grindings, are sieved to get activated steel slag；The slag be converter slag, open hearth slag or
Any one in electric furnace slag；The grinding aid be dodecyl alcohol polyoxyethylene ether sodium sulfate, ammonium lauryl sulfate or
Any one in lauryl sodium sulfate.
Step（2）The cement is portland cement, arbitrary in Portland cement or portland-pozzolan cement
It is a kind of.
Step（2）The preparation process of the polyvinyl alcohol liquid is：By polyvinyl alcohol and water in mass ratio 1：50~1：100 is mixed
It closes after standing swelling, heating stirring is mixed to get polyvinyl alcohol liquid.
Step（2）The preparation process of the chitosan liquid is：By chitosan and water in mass ratio 1：50~1：100 mixing are quiet
After putting swelling, heating stirring is mixed to get chitosan liquid.
Step（2）The phosphatide is milk phosphatide, any one in peanut phosphatide or yolk phospholipid.
Step（2）The water-reducing agent is sodium lignin sulfonate, and TH-928 poly carboxylic acid series water reducers or YZ-1 naphthalene series high-efficiencies subtract
Any one in aqua.
Step（2）The silane coupling agent is silane resin acceptor kh-550, silane coupling agent KH-560 or silane coupling agent
Any one in KH-570.
The beneficial effects of the invention are as follows：
（1）The present invention is by adding active slag, and slag is by grinding so that crystal recombinates in slag, particle surface shape
State changes, and surface can be improved, in cement hydration process, active group and dioxy in cement in activated steel slag powder
SiClx hydroxyl forms stable chemical bonding, plays the role of excellent bridge joint, forms steel slag particle network, promotes the heat resistanceheat resistant of system
Shock stability；
（2）The present invention is by adding mixed serum, first, urea liquid, under alkaline condition, nitre is added dropwise in aluminum nitrate solution
Sour reactive aluminum generates hydrogen aluminum hydroxide precipitation, secondly, by adding in carbomer liquid, the aluminium hydroxide of the adsorbable generation of carbomer,
Meanwhile carbomer is neutralized with system neutral and alkali substance, carbomer is neutralized after making carboxylic ions, due to the mutual row of negative electrical charge
Reprimand acts on so that and the aluminium hydroxide of generation is uniformly dispersed in system, then mixed serum obtained is added in mixed slurry,
The aluminium hydroxide of generation is uniformly filled in steel slag particle network, fine and close filling is formed, so as to improve the thermal shock resistance of system
Can, again, the part hydrogen aluminium hydroxide generated in system participates in hydrated cementitious, cement formed the basis of three-dimensional network is interted
Three-dimensional network is formed, activated steel slag is made to be uniformly distributed in system, inhibition activation steel is played and sinks, reduce system bleeding, reduce
The effect of pore channel in system, meanwhile, the three-dimensional network being largely distributed in system can generate capillary very big extruding
Power makes capillary refine or eliminate, and porosity declines in system, and consistency improves, therefore the thermal shock resistance of system is carried
It rises.
Specific embodiment
By grinding aid and slag in mass ratio 1：50~1：100 are placed in combined grinding in vibromill, cross 200~300 purposes
Sieve is to get activated steel slag；By polyvinyl alcohol and water in mass ratio 1：50~1：100 add in No. 1 beaker, are stirred with glass bar mixed
After closing 20~30min, stand 3~4h of swelling, then No. 1 beaker moved into digital display and is tested the speed constant temperature blender with magnetic force, in temperature be 95
~100 DEG C, under the conditions of rotating speed is 400~500r/min, heating stirring dissolves 40~50min to get polyvinyl alcohol liquid；Shell is gathered
Sugar and water in mass ratio 1：50~1：100 add in No. 2 beakers, after being stirred 20~30min with glass bar, stand swelling 3
~4h, then No. 2 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force, it is 95~100 DEG C in temperature, rotating speed is 400~500r/
Under the conditions of min, heating stirring dissolves 40~50min to get chitosan liquid；By carbomer and water in mass ratio 1：50~1：100
It adds in No. 3 beakers, after being stirred 20~30min with glass bar, stands 3~4h of swelling, then No. 3 beakers are moved into digital display and are surveyed
Fast constant temperature blender with magnetic force, in temperature be 95~100 DEG C, rotating speed be 400~500r/min under the conditions of, heating stirring dissolving 40~
50min is to get carbomer liquid；Count in parts by weight, take 20~30 parts of mass fractions be 8~10% urea liquid, 20~30 parts
Carbomer liquid, the aluminum nitrate solution that 50~60 parts of mass fractions are 10~15%, aluminum nitrate solution is placed in three-necked flask, and
Three-necked flask is placed in digital display to test the speed in constant temperature blender with magnetic force, then urea liquid is added dropwise into three-necked flask with dropping funel,
It it is 140~150 DEG C in temperature, under the conditions of rotating speed is 300~500r/min, heating stirring is mixed after urea liquid is added dropwise
30~50min is closed, is 140~150 DEG C in temperature, rotating speed is 200~300r/ then to carbomer liquid is added in three-necked flask
Under the conditions of min, heating stirring mixes 40~60min to get mixed serum；It counts in parts by weight, by 40~50 parts of activated steel slags,
20~30 parts of cement, 20~30 parts of polyvinyl alcohol liquid, 20~30 parts of chitosan liquid, 8~10 parts of phosphatide, 4~5 parts of water-reducing agents, 5~
6 parts of silane coupling agents, 40~50 parts of water are placed in batch mixer, in rotating speed under the conditions of 100~200r/min, be stirred 30~
40min obtains mixed slurry；The mixed serum of 0.3~0.5 times of activated steel slag quality is added in into batch mixer again, in rotating speed be 100
Under the conditions of~200r/min, 30~50min is stirred to get kiln flame-proof pouring material special.The slag is converter slag,
Any one in open hearth slag or electric furnace slag.The grinding aid be dodecyl alcohol polyoxyethylene ether sodium sulfate, dodecane
Any one in base ammonium sulfate or lauryl sodium sulfate.The cement is portland cement, Portland cement or fire
Any one in the ash portland cement of mountain.The carbomer is CARBOPOL 971, in CARBOPOL 974P or carbomer940
Any one.The phosphatide is milk phosphatide, any one in peanut phosphatide or yolk phospholipid.The water-reducing agent is lignin
Any one in sodium sulfonate, TH-928 poly carboxylic acid series water reducers or YZ-1 naphthalene series high-efficiency water-reducing agents.The silane coupling agent is
Any one in silane resin acceptor kh-550, silane coupling agent KH-560 or Silane coupling reagent KH-570.
Example 1
By grinding aid and slag in mass ratio 1：100 are placed in combined grinding in vibromill, cross the sieve of 300 mesh to get activated steel slag；
By polyvinyl alcohol and water in mass ratio 1：100 add in No. 1 beaker, after being stirred 30min with glass bar, stand swelling 4h,
No. 1 beaker is moved into digital display again to test the speed constant temperature blender with magnetic force, in temperature be 100 DEG C, under the conditions of rotating speed is 500r/min, heating
Stirring and dissolving 50min is to get polyvinyl alcohol liquid；By chitosan and water in mass ratio 1：100 add in No. 2 beakers, use glass bar
After being stirred 30min, stand swelling 4h, then No. 2 beakers moved into digital displays and are tested the speed constant temperature blender with magnetic force, in temperature be 100
DEG C, under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get chitosan liquid；By carbomer and water in mass ratio 1：
100 add in No. 3 beakers, after being stirred 30min with glass bar, stand swelling 4h, then No. 3 beakers are moved into digital displays and are tested the speed perseverance
Warm magnetic stirring apparatus is 100 DEG C in temperature, and under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get carbomer
Liquid；It counts in parts by weight, takes the urea liquid that 30 parts of mass fractions are 10%, 30 parts of carbomer liquid, 60 parts of mass fractions are 15%
Aluminum nitrate solution, aluminum nitrate solution is placed in three-necked flask, and three-necked flask is placed in digital display and is tested the speed temperature constant magnetic stirring
In device, then with dropping funel urea liquid is added dropwise into three-necked flask, after urea liquid is added dropwise, in temperature be 150 DEG C,
Under the conditions of rotating speed is 500r/min, heating stirring mixing 50min then to carbomer liquid is added in three-necked flask, is in temperature
150 DEG C, under the conditions of rotating speed is 300r/min, heating stirring mixes 60min to get mixed serum；It counts in parts by weight, by 50 parts
Activated steel slag, 30 parts of cement, 30 parts of polyvinyl alcohol liquid, 30 parts of chitosan liquid, 10 parts of phosphatide, 5 parts of water-reducing agents, 6 parts silane coupled
Agent, 50 parts of water are placed in batch mixer, in rotating speed under the conditions of 200r/min, to be stirred 40min, obtaining mixed slurry；Again to mixed
The mixed serum of 0.5 times of activated steel slag quality is added in material machine, in rotating speed under the conditions of 200r/min, to be stirred 50min, i.e.,
Obtain kiln flame-proof pouring material special.The slag is converter slag.The grinding aid is Brij 35 sulfuric acid
Sodium.The cement is portland cement.The carbomer is CARBOPOL 971.The phosphatide is milk phosphatide.The water-reducing agent
For sodium lignin sulfonate.The silane coupling agent is silane resin acceptor kh-550.
Example 2
By grinding aid and slag in mass ratio 1：100 are placed in combined grinding in vibromill, cross the sieve of 300 mesh to get activated steel slag；
By polyvinyl alcohol and water in mass ratio 1：100 add in No. 1 beaker, after being stirred 30min with glass bar, stand swelling 4h,
No. 1 beaker is moved into digital display again to test the speed constant temperature blender with magnetic force, in temperature be 100 DEG C, under the conditions of rotating speed is 500r/min, heating
Stirring and dissolving 50min is to get polyvinyl alcohol liquid；By chitosan and water in mass ratio 1：100 add in No. 2 beakers, use glass bar
After being stirred 30min, stand swelling 4h, then No. 2 beakers moved into digital displays and are tested the speed constant temperature blender with magnetic force, in temperature be 100
DEG C, under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get chitosan liquid；By carbomer and water in mass ratio 1：
100 add in No. 3 beakers, after being stirred 30min with glass bar, stand swelling 4h, then No. 3 beakers are moved into digital displays and are tested the speed perseverance
Warm magnetic stirring apparatus is 100 DEG C in temperature, and under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get carbomer
Liquid；It counts in parts by weight, takes the urea liquid that 30 parts of mass fractions are 10%, 30 parts of carbomer liquid, 60 parts of mass fractions are 15%
Aluminum nitrate solution, aluminum nitrate solution is placed in three-necked flask, and three-necked flask is placed in digital display and is tested the speed temperature constant magnetic stirring
In device, then with dropping funel urea liquid is added dropwise into three-necked flask, after urea liquid is added dropwise, in temperature be 150 DEG C,
Under the conditions of rotating speed is 500r/min, heating stirring mixing 50min then to carbomer liquid is added in three-necked flask, is in temperature
150 DEG C, under the conditions of rotating speed is 300r/min, heating stirring mixes 60min to get mixed serum；It counts in parts by weight, by 50 parts
Activated steel slag, 30 parts of cement, 30 parts of polyvinyl alcohol liquid, 30 parts of chitosan liquid, 5 parts of water-reducing agents, 6 parts of silane coupling agents, 50 parts of water
It is placed in batch mixer, in rotating speed under the conditions of 200r/min, to be stirred 40min, obtaining mixed slurry；It is added in again into batch mixer
The mixed serum that 0.5 times of activated steel slag quality, in rotating speed under the conditions of 200r/min, it is special to get kiln to be stirred 50min
Castable refractory.The slag is converter slag.The grinding aid is dodecyl alcohol polyoxyethylene ether sodium sulfate.The cement
For portland cement.The carbomer is CARBOPOL 971.The water-reducing agent is sodium lignin sulfonate.The silane coupling agent is
Silane resin acceptor kh-550.
Example 3
By grinding aid and slag in mass ratio 1：100 are placed in combined grinding in vibromill, cross the sieve of 300 mesh to get activated steel slag；
By polyvinyl alcohol and water in mass ratio 1：100 add in No. 1 beaker, after being stirred 30min with glass bar, stand swelling 4h,
No. 1 beaker is moved into digital display again to test the speed constant temperature blender with magnetic force, in temperature be 100 DEG C, under the conditions of rotating speed is 500r/min, heating
Stirring and dissolving 50min is to get polyvinyl alcohol liquid；By chitosan and water in mass ratio 1：100 add in No. 2 beakers, use glass bar
After being stirred 30min, stand swelling 4h, then No. 2 beakers moved into digital displays and are tested the speed constant temperature blender with magnetic force, in temperature be 100
DEG C, under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get chitosan liquid；It counts in parts by weight, by 50 parts of work
Change slag, 30 parts of cement, 30 parts of polyvinyl alcohol liquid, 30 parts of chitosan liquid, 10 parts of phosphatide, 5 parts of water-reducing agents, 6 parts of silane coupling agents,
50 parts of water are placed in batch mixer, in rotating speed under the conditions of 200r/min, to be stirred 40min, it is special to get kiln obtaining mixed slurry
Use castable refractory.The slag is converter slag.The grinding aid is dodecyl alcohol polyoxyethylene ether sodium sulfate.The water
Mud is portland cement.The carbomer is CARBOPOL 971.The phosphatide is milk phosphatide.The water-reducing agent is sulfomethylated lignin
Sour sodium.The silane coupling agent is silane resin acceptor kh-550.
Example 4
By polyvinyl alcohol and water in mass ratio 1：100 add in No. 1 beaker, after being stirred 30min with glass bar, stand swelling
4h, then No. 1 beaker is moved into digital display and is tested the speed constant temperature blender with magnetic force, in temperature be 100 DEG C, under the conditions of rotating speed is 500r/min,
Heating stirring dissolves 50min to get polyvinyl alcohol liquid；By chitosan and water in mass ratio 1：100 add in No. 2 beakers, use glass
After glass stick is stirred 30min, swelling 4h is stood, then No. 2 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force, be in temperature
100 DEG C, under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get chitosan liquid；Carbomer and water are pressed into quality
Than 1：100 add in No. 3 beakers, after being stirred 30min with glass bar, stand swelling 4h, then No. 3 beakers are moved into digital display and are surveyed
Fast constant temperature blender with magnetic force is 100 DEG C in temperature, and under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get card
Wave nurse liquid；It counts in parts by weight, takes the urea liquid that 30 parts of mass fractions are 10%, 30 parts of carbomer liquid, 60 parts of mass fractions are
15% aluminum nitrate solution, aluminum nitrate solution is placed in three-necked flask, and three-necked flask is placed in the digital display constant temperature magnetic force that tests the speed and is stirred
Mix in device, then urea liquid be added dropwise into three-necked flask with dropping funel, after urea liquid is added dropwise, in temperature be 150
DEG C, under the conditions of rotating speed is 500r/min, heating stirring mixing 50min, then to carbomer liquid is added in three-necked flask, in temperature
It it is 150 DEG C, under the conditions of rotating speed is 300r/min, heating stirring mixes 60min to get mixed serum；It counts in parts by weight, by 30
Part cement, 30 parts of polyvinyl alcohol liquid, 30 parts of chitosan liquid, 10 parts of phosphatide, 5 parts of water-reducing agents, 6 parts of silane coupling agents, 50 parts of water are put
In batch mixer, in rotating speed under the conditions of 200r/min, to be stirred 40min, obtaining mixed slurry；Water is added in into batch mixer again
The mixed serum that 0.5 times of quality is poured into a mould in rotating speed under the conditions of 200r/min, to be stirred 50min to get kiln special-purpose fire-resistant
Material.The slag is converter slag.The grinding aid is dodecyl alcohol polyoxyethylene ether sodium sulfate.The cement is silicate
Cement.The carbomer is CARBOPOL 971.The phosphatide is milk phosphatide.The water-reducing agent is sodium lignin sulfonate.It is described
Silane coupling agent is silane resin acceptor kh-550.
Comparative example：The castable refractory of Zhengzhou Refractory Co., ltd production.
The kiln flame-proof pouring material special of 1 to 4 gained of example and comparative example product are subjected to performance detection, specific detection side
Method is as follows：
Thermal shock resistance：The kiln flame-proof pouring material special of gained and comparative example product are distinguished into vibrating casting into 160mm × 40mm
The sample of × 40mm, natural curing demould afterwards for 24 hours, in air atmosphere in 110 DEG C of drying for 24 hours, and take the examination after partially desiccated
Sample keeps the temperature 3h firings in electric furnace in 1600 DEG C.Strength at normal temperature is tested respectively to the sample after drying and burning.Use water cooling
Method detect castable refractory thermal shock resistance, will pass through 1600 DEG C × 3h burn after sample again through 1100 DEG C × 0.5h burn after water cooling,
Circulate operation 3 times detects sample flexural strength conservation rate.
Specific testing result is as shown in table 1：
Table 1
| Detection project | Example 1 | Example 2 | Example 3 | Example 4 | Comparative example |
| Flexural strength conservation rate/% | 83.4 | 76.5 | 77.3 | 68.9 | 53.1 |
By 1 testing result of table it is found that kiln flame-proof pouring material special prepared by technical solution of the present invention has excellent anti-thermal shock
It the characteristics of property, has broad prospects in the development of castable refractory industry.
Claims (9)
1. a kind of preparation method of kiln flame-proof pouring material special, it is characterised in that specific preparation process is as follows：
（1）It counts in parts by weight, takes 20~30 parts of urea liquids, 20~30 parts of carbomer liquid, 50~60 parts of aluminum nitrate solutions will
Urea liquid is added dropwise in aluminum nitrate solution, and heating stirring mixing then adds in carbomer liquid, continues heating stirring mixing, i.e.,
Obtain mixed serum；
（2）It counts in parts by weight, by 40~50 parts of slags, 20~30 parts of cement, 20~30 parts of polyvinyl alcohol liquid, 20~30 parts of shells
Glycan liquid, 8~10 parts of phosphatide, 4~5 parts of water-reducing agents, 5~6 parts of silane coupling agents, 40~50 parts of water are stirred, and obtain mixing slurry
Material；
（3）The mixed serum of 0.3~0.5 times of slag quality is added in into above-mentioned mixed slurry, is stirred special to get kiln
Castable refractory.
2. a kind of preparation method of kiln flame-proof pouring material special according to claim 1, it is characterised in that：Step（1）Institute
The preparation process for stating carbomer liquid is：By carbomer and water in mass ratio 1：50~1：After 100 mixing stand swelling, heating stirring
Mixing is to get carbomer liquid；The carbomer is CARBOPOL 971, any one in CARBOPOL 974P or carbomer940.
3. a kind of preparation method of kiln flame-proof pouring material special according to claim 1, it is characterised in that：Step（2）Institute
It can also be activated steel slag to state slag；The preparation process of the activated steel slag is：By grinding aid and slag in mass ratio 1：50~
1：100 combined grindings, are sieved to get activated steel slag；The slag is converter slag, arbitrary in open hearth slag or electric furnace slag
It is a kind of；The grinding aid is dodecyl alcohol polyoxyethylene ether sodium sulfate, in ammonium lauryl sulfate or lauryl sodium sulfate
Any one.
4. a kind of preparation method of kiln flame-proof pouring material special according to claim 1, it is characterised in that：Step（2）Institute
State any one of cement for portland cement, in Portland cement or portland-pozzolan cement.
5. a kind of preparation method of kiln flame-proof pouring material special according to claim 1, it is characterised in that：Step（2）Institute
The preparation process for stating polyvinyl alcohol liquid is：By polyvinyl alcohol and water in mass ratio 1：50~1：After 100 mixing stand swelling, heating
It is stirred to get polyvinyl alcohol liquid.
6. a kind of preparation method of kiln flame-proof pouring material special according to claim 1, it is characterised in that：Step（2）Institute
The preparation process for stating chitosan liquid is：By chitosan and water in mass ratio 1：50~1：After 100 mixing stand swelling, heating stirring
Mixing is to get chitosan liquid.
7. a kind of preparation method of kiln flame-proof pouring material special according to claim 1, it is characterised in that：Step（2）Institute
State any one of phosphatide for milk phosphatide, in peanut phosphatide or yolk phospholipid.
8. a kind of preparation method of kiln flame-proof pouring material special according to claim 1, it is characterised in that：Step（2）Institute
State any one of water-reducing agent for sodium lignin sulfonate, in TH-928 poly carboxylic acid series water reducers or YZ-1 naphthalene series high-efficiency water-reducing agents.
9. a kind of preparation method of kiln flame-proof pouring material special according to claim 1, it is characterised in that：Step（2）Institute
Silane coupling agent is stated as silane resin acceptor kh-550, it is any one in silane coupling agent KH-560 or Silane coupling reagent KH-570
Kind.
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| CN112408955A (en) * | 2020-11-24 | 2021-02-26 | 梅河口市跃兴砂轮特耐有限责任公司 | Iron-aluminum-magnesium oxide composite material product and manufacturing method thereof |
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Application publication date: 20180615 |