CN108178614A - A kind of preparation method of boron mud base fired brick - Google Patents
A kind of preparation method of boron mud base fired brick Download PDFInfo
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- CN108178614A CN108178614A CN201711489675.7A CN201711489675A CN108178614A CN 108178614 A CN108178614 A CN 108178614A CN 201711489675 A CN201711489675 A CN 201711489675A CN 108178614 A CN108178614 A CN 108178614A
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Abstract
The invention discloses a kind of preparation methods of boron mud base fired brick, belong to building material technical field.The present invention is burnt first by after slag and kerosene mixing and ball milling in pure oxygen, collects combustion residue；Again by boron mud, magnesia, flyash, water, nutrient solution and Bacillus pasteurii mixed fermentation; fermentation homogenate is made, then by combustion residue, rare earth oxide, boron oxide, fermentation homogenate, carbon black and catalyst ball milling mixing, ball milling material is made; it again will be after ball milling material extrusion forming; low temperature drying, and under argon gas guard mode, under condition of different temperatures; carry out two-step sintering; after cooling to room temperature with the furnace, discharge to get boron mud base fired brick.Gained borax mud sintered brick of the invention has excellent mechanical property.
Description
Technical field
The invention discloses a kind of preparation methods of boron mud base fired brick, belong to building material technical field.
Background technology
Boron mud is to produce the waste residue that the products such as boric acid, borax generate, and is canescence, yellow-white powdery solid, in alkalinity, contains
The components such as boron oxide and magnesia, are commonly called as " boron mud ".The stockpiling disposition of boron mud not only occupies a large amount of soils, but also stockyard can be made attached
Near alkalization of soils and the Transport And Transformation for causing boron, cause environmental pollution.
Boron mud is the product of chemical plant production borax, boric acid, and the butt boron mud of 3~4t is discharged per t products, and the whole nation is annual
Boron mud is discharged in 1,000,000 more than t.Only nearly 10,000,000 t of boron mud has been stacked in Liaoning Province at present.Since boron mud shows alkalinity, arbitrarily bank up
There is certain harm to farmland, underground water and air.Boron mud is the characteristic waste of Chinese boron resource, external rare, external
The research that it is administered is had not been reported.Just there are the comprehensive treatment work that scholar is engaged in boron mud, research contents master the 1980s
3 classes can be divided into：Valuable element is refined from boron mud, make the additive of sinter using boron mud and makes construction material, it is preceding
Two class dosages are smaller, but also can generate new discarded and pollution, so making boron of the building materials for solution Liaoning Province using boron mud
Mud problem has realistic meaning.
King's big forest rent boron mud and clay have carried out brickmaking research, it is found that it is 25% boron mud maximum adds in mass ratio, otherwise
Accumulation of salt in the surface soil phenomenon is more prominent.In Qian using 30% boron mud add in 20% power plant fly ash remaining for clay make building brick, take
Obtained more satisfied effect.Li Zhonghua manufactures senior building brick using boron mud, and ingredient is that the mass fraction of dry boron mud is
60%~90%, PF resin concentration is 8%~20%, and pigment mass fraction is 0.5%~4%, and Quality of Paraffin Waxes score is 0.4%
~3%, and declared national patent.Dandong enterprise was also carried out using boron mud as raw material, mixes flyash and clinker makes
The industrial experiment of borax mud sintered brick.But current borax mud sintered brick also there are mechanical property it is bad the problem of, therefore also need pair
It is further studied.
Invention content
The present invention solves the technical problem of：For traditional borax mud sintered brick mechanical property it is bad the problem of, provide
A kind of preparation method of boron mud base fired brick.
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 60~80 parts of slags successively, 30~40 parts of kerosene, after 2~4h of ball milling mixing, in pure oxygen
Burning, obtains combustion residue；
（2）It counts in parts by weight, takes 60~80 parts of boron muds successively, 10~15 parts of magnesia, 30~40 parts of flyash, 300~500 parts
Water, 80~100 portions of nutrient solutions, 8~10 parts of Bacillus pasteuriis, constant temperature stirring fermentation are concentrated under reduced pressure, must concentrate fermentation homogenate；
（3）It counts in parts by weight, takes 10~20 parts of combustion residues successively, 8~10 parts of rare earth oxides, 4~8 parts of boron oxides, 100
~150 parts of concentration fermentation homogenate, 20~30 parts of carbon blacks, 0.8~1.5 part of catalyst, ball milling mixing obtain ball milling material；
（4）After gained ball milling material extrusion forming, low temperature drying, under argon gas guard mode, in temperature be 1200~1350
Under the conditions of DEG C, 3~5h is sintered, then be warming up to 1480~1520 DEG C, after 45~60min of heat preservation sintering, furnace cooling 500~550
DEG C, 30~45min is calcined in air atmosphere, then through cooling, discharge to get boron mud base fired brick.
Step（1）The slag is any one in electric furnace slag, open hearth slag or converter slag.
Step（2）The magnesia is any one in natural magnesia or seawater magnesia.
Step（2）The nutrient solution is made of the raw material of following parts by weight：10~20 parts of urea, 2~4 parts of nitric acid
Potassium, 2~4 parts of magnesium nitrates, 4~6 parts of calcium nitrate, 0.6~0.8 part of ferrous nitrate, 8~10 portions of sucrose, 100~150 parts of water.
Step（3）The rare earth oxide is any one in cerium oxide, rubidium oxide, lanthana or yttrium oxide.
Step（3）It is 10 in mass ratio by nanometer iron powder and sodium fluoride that the catalyst, which is,：1~20：1 mixes.
The beneficial effects of the invention are as follows：
（1）The combustion residue generated after technical solution of the present invention addition steel slag ball-milling burning, combustion residue main component are fired for iron
Burn the substances such as the calcium oxide that the ferriferous oxides such as the ferroso-ferric oxide generated and Decomposition of Calcium Carbonate generate, in sintering process, four
Fe 3 O and carbon black can generate ferrous oxide and carbon monoxide under the conditions of high temperature, and the generation of ferrous oxide can conduct
Sintering aid, plays the role of helping burning, and the liquid phase that the generation of carbon monoxide is then conducive to generate in sintering process is inside system
Diffusion；
（2）In technical solution of the present invention system, the aluminium oxide that contains in the substances such as flyash can be with the oxygen in magnesia and boron mud
Change aluminium under the high temperature conditions, generate magnesium aluminate spinel, and calcareous common structure sintering brick body in the residue generated in slag burning
Fine and close hard sinter layer, and in boron mud boron oxide and the boron oxide added can steam raising under high temperature environment, gasification steams
After hair, it can be spread, and contact to form liquid phase with magnesia, and the liquid phase and oxygen in system internal penetration under carbon monoxide assistance
Changing the substances such as magnesium, silica has relatively low eutectic point, under the gas so as to be generated in system acts on, floats up to hard burning
Layer surface to be tied, and porous soft heat layer is formed on surface, the formation of soft heat layer is conducive to after heating up again, under the high temperature conditions,
Silica and the reaction of superfluous carbon, and silicon carbide skeleton is generated in soft heat layer, so as to form using hard sinter layer as base
Bottom, be dispersed with silicon carbide skeleton soft heat layer be surface layer fired brick system, the presence of soft heat layer, be conducive to silicon carbide skeleton and
The good combination of hard sinter layer, so as to make product that there is excellent mechanical property, and in the process of follow-up air atmosphere calcining
In, air enters inside by system gas diffusion and the channel permeability generated in soft heat layer, anti-with carbon remaining in system
Should, carbon is enable to remove, further enriches the pore structure in product soft heat layer, so as to make product in use, cement
Or other binding agents are penetrated into hole, improve brick body and the adhesive strength of binding agent；
（3）Technical solution of the present invention by each raw material components by carrying out mixed fermentation, during the fermentation, the urea in nutrient solution
Ammonium ion and carbanion can be converted to, carbanion can be with calcium ion in system under Bacillus pasteurii effect
Metal ions is waited to combine, it is such in sintering process so as to deposit the inorganic salts such as calcium carbonate precipitation in each ingredient pore structure
Inorganic salts decomposable asymmetric choice net generates gas, so as to be conducive to the floating upward quickly of soft heat layer in sintering process, and is conducive to each component and exists
Mixing in sintering process reduces liquid phase viscosity in sintering process, so as to be conducive to the raising of product mechanical property.
Specific embodiment
It counts in parts by weight, takes 60~80 parts of slags successively, 30~40 parts of kerosene are poured into No. 1 ball grinder, and by ball material
Mass ratio is 15：1~25：1 adds in zirconium oxide ball milling pearl, and after 2~4h of ball milling mixing, discharging obtains No. 1 ball milling material, and by gained 1
Number ball milling material is moved into pure oxygen, is lighted with open fire, combustion residue is collected to obtain in end to be combusted；It counts in parts by weight, takes 60 successively
~80 parts of boron muds, 10~15 parts of magnesia, 30~40 parts of flyash, 300~500 parts of water, 80~100 portions of nutrient solutions, 8~10 parts bars
Family name bacillus, pours into fermentation tank, is 30~35 DEG C in temperature, under the conditions of rotating speed is 180~200r/min, constant temperature stirring is sent out
36~48h of ferment, must ferment homogenate, and gained fermentation homogenate is transferred to Rotary Evaporators, be 75~80 DEG C in temperature, pressure is
Under the conditions of rotating speed is 80~100r/min, 2~4h is concentrated under reduced pressure in 550~600kPa, must concentrate fermentation homogenate；In parts by weight
Meter, sequentially adds 10~20 parts of combustion residues in No. 2 ball grinders, 8~10 parts of rare earth oxides, 4~8 parts of boron oxides, 100~
150 parts of concentration fermentation homogenate, 20~30 parts of carbon blacks, 0.8~1.5 part of catalyst, and be 20 by ball material mass ratio：1~30：1 adds
Enter zirconium oxide ball milling pearl, 3~5h of ball milling mixing, discharging obtains No. 2 ball milling material；By No. 2 ball milling material of gained through extrusion forming, brick is obtained
Base, and gained adobe is moved into dry kiln, under the conditions of temperature is 75~80 DEG C, low temperature drying to constant weight obtains dry brick, then
Gained dry brick is moved into sintering furnace, and argon gas is passed through into stove with 80~100mL/min rates, in argon gas guard mode
Under, it is warming up to 1200~1350 DEG C with 4~10 DEG C/min rate programs, after 3~5h of heat preservation sintering, continues with 10~15 DEG C/min
Rate program is warming up to 1480~150 DEG C, after 45~60min of heat preservation sintering, cools to 500~550 DEG C with the furnace, stopping is passed through argon
Gas, and air is passed through into stove with 60~80mL/min rates, after calcining 30~45min in air atmosphere, cool to the furnace
Room temperature discharges to get boron mud base fired brick.The slag is any one in electric furnace slag, open hearth slag or converter slag.
The magnesia is any one in natural magnesia or seawater magnesia.The nutrient solution is the raw material group by following parts by weight
Into：10~20 parts of urea, 2~4 parts of potassium nitrate, 2~4 parts of magnesium nitrates, 4~6 parts of calcium nitrate, 0.6~0.8 part of ferrous nitrate, 8~
10 portions of sucrose, 100~150 parts of water.The rare earth oxide is any one in cerium oxide, rubidium oxide, lanthana or yttrium oxide
Kind.It is 10 in mass ratio by nanometer iron powder and sodium fluoride that the catalyst, which is,：1~20：1 mixes.
Example 1
It counts in parts by weight, takes 80 parts of slags successively, 40 parts of kerosene are poured into No. 1 ball grinder, and are 25 by ball material mass ratio：1
Zirconium oxide ball milling pearl is added in, after ball milling mixing 4h, discharging obtains No. 1 ball milling material, and No. 1 ball milling material of gained is moved into pure oxygen, uses
Open fire is lighted, and combustion residue is collected to obtain in end to be combusted；It counts in parts by weight, takes 80 parts of boron muds successively, 15 parts of magnesia, 40 parts
Flyash, 500 parts of water, 100 portions of nutrient solutions, 10 parts of Bacillus pasteuriis are poured into fermentation tank, are 35 DEG C in temperature, rotating speed is
Under the conditions of 200r/min, constant temperature stirring fermentation 48h, must ferment homogenate, and gained fermentation homogenate is transferred to Rotary Evaporators, Yu Wen
It is 80 DEG C, pressure 600kPa to spend, and under the conditions of rotating speed is 100r/min, 4h is concentrated under reduced pressure, and must concentrate fermentation homogenate；By weight
Number meter sequentially adds 20 parts of combustion residues, 10 parts of rare earth oxides, 8 parts of boron oxides, 150 parts of concentration fermentations in No. 2 ball grinders
Homogenate, 30 parts of carbon blacks, 1.5 parts of catalyst, and be 30 by ball material mass ratio：1 adds in zirconium oxide ball milling pearl, and ball milling mixing 5h goes out
Material, obtains No. 2 ball milling material；By No. 2 ball milling material of gained through extrusion forming, adobe is obtained, and gained adobe is moved into dry kiln, in temperature
Under the conditions of 80 DEG C, low temperature drying to constant weight obtains dry brick, then gained dry brick is moved into sintering furnace, and with 100mL/
Min rates are passed through argon gas into stove, under argon gas guard mode, are warming up to 1350 DEG C with 10 DEG C/min rate programs, heat preservation is burnt
After tying 5h, continue to be warming up to 150 DEG C with 15 DEG C/min rate programs, after heat preservation sintering 60min, cool to 550 DEG C with the furnace, stop
Argon gas is passed through, and air is passed through into stove with 80mL/min rates, after calcining 45min in air atmosphere, cools to room with the furnace
Temperature discharges to get boron mud base fired brick.The slag is electric furnace slag.The magnesia is natural magnesia.The nutrient solution be by
The raw material composition of following parts by weight：20 parts of urea, 4 parts of potassium nitrate, 4 parts of magnesium nitrates, 6 parts of calcium nitrate, 0.8 part of ferrous nitrate,
10 portions of sucrose, 150 parts of water.The rare earth oxide is cerium oxide.The catalyst is by quality by nanometer iron powder and sodium fluoride
Than being 20：1 mixes.
Example 2
It counts in parts by weight, takes 80 parts of boron muds successively, 15 parts of magnesia, 40 parts of flyash, 500 parts of water, 100 portions of nutrient solutions, 10 parts
Bacillus pasteurii is poured into fermentation tank, is 35 DEG C in temperature, and under the conditions of rotating speed is 200r/min, constant temperature stirs fermentation 48h,
Must ferment homogenate, and gained fermentation homogenate is transferred to Rotary Evaporators, be 80 DEG C, pressure 600kPa in temperature, rotating speed is
Under the conditions of 100r/min, 4h is concentrated under reduced pressure, fermentation homogenate must be concentrated；It counts in parts by weight, 10 is sequentially added in No. 2 ball grinders
Part rare earth oxide, 8 parts of boron oxides, 150 parts of concentration fermentation homogenate, 30 parts of carbon blacks, 1.5 parts of catalyst, and by ball material mass ratio
It is 30：1 adds in zirconium oxide ball milling pearl, ball milling mixing 5h, and discharging obtains No. 2 ball milling material；By No. 2 ball milling material of gained through extrusion forming,
Adobe is obtained, and gained adobe is moved into dry kiln, under the conditions of temperature is 80 DEG C, low temperature drying to constant weight obtains dry brick, then
Gained dry brick is moved into sintering furnace, and argon gas is passed through into stove with 100mL/min rates, under argon gas guard mode, with
10 DEG C/min rate programs are warming up to 1350 DEG C, after heat preservation sintering 5h, continue to be warming up to 150 DEG C with 15 DEG C/min rate programs,
After heat preservation sintering 60min, 550 DEG C are cooled to the furnace, stopping is passed through argon gas, and air is passed through into stove with 80mL/min rates,
After calcining 45min in air atmosphere, cool to room temperature with the furnace, discharge to get boron mud base fired brick.The slag is electric steel
Slag.The magnesia is natural magnesia.The nutrient solution is made of the raw material of following parts by weight：20 parts of urea, 4 parts of nitric acid
Potassium, 4 parts of magnesium nitrates, 6 parts of calcium nitrate, 0.8 part of ferrous nitrate, 10 portions of sucrose, 150 parts of water.The rare earth oxide is cerium oxide.
It is 20 in mass ratio by nanometer iron powder and sodium fluoride that the catalyst, which is,：1 mixes.
Example 3
It counts in parts by weight, takes 80 parts of slags successively, 40 parts of kerosene are poured into No. 1 ball grinder, and are 25 by ball material mass ratio：1
Zirconium oxide ball milling pearl is added in, after ball milling mixing 4h, discharging obtains No. 1 ball milling material, and No. 1 ball milling material of gained is moved into pure oxygen, uses
Open fire is lighted, and combustion residue is collected to obtain in end to be combusted；It counts in parts by weight, takes 80 parts of boron muds successively, 40 parts of flyash, 500
Part water, 100 portions of nutrient solutions, 10 parts of Bacillus pasteuriis are poured into fermentation tank, are 35 DEG C in temperature, rotating speed is 200r/min items
Under part, constant temperature stirring fermentation 48h, must ferment homogenate, and by gained fermentation be homogenized be transferred to Rotary Evaporators, in temperature be 80 DEG C,
Pressure is 600kPa, and under the conditions of rotating speed is 100r/min, 4h is concentrated under reduced pressure, and must concentrate fermentation homogenate；It counts in parts by weight, 2
Sequentially add 20 parts of combustion residues in number ball grinder, 10 parts of rare earth oxides, 8 parts of boron oxides, 150 parts of concentration fermentation homogenate, 30
Part carbon black, 1.5 parts of catalyst, and be 30 by ball material mass ratio：1 adds in zirconium oxide ball milling pearl, ball milling mixing 5h, and discharging obtains No. 2
Ball milling material；By No. 2 ball milling material of gained through extrusion forming, obtain adobe, and gained adobe is moved into dry kiln, in temperature be 80 DEG C of items
Under part, low temperature drying to constant weight obtains dry brick, then gained dry brick moved into sintering furnace, and with 100mL/min rates to
Argon gas is passed through in stove, under argon gas guard mode, 1350 DEG C are warming up to 10 DEG C/min rate programs, after heat preservation sintering 5h, after
It is continuous to be warming up to 150 DEG C with 15 DEG C/min rate programs, after heat preservation sintering 60min, cool to 550 DEG C with the furnace, stopping is passed through argon gas,
And air is passed through into stove with 80mL/min rates, it after calcining 45min in air atmosphere, cools to room temperature with the furnace, discharges, i.e.,
Obtain boron mud base fired brick.The slag is electric furnace slag.The nutrient solution is made of the raw material of following parts by weight：20 parts of urine
Element, 4 parts of potassium nitrate, 4 parts of magnesium nitrates, 6 parts of calcium nitrate, 0.8 part of ferrous nitrate, 10 portions of sucrose, 150 parts of water.The rare-earth oxidation
Object is cerium oxide.It is 20 in mass ratio by nanometer iron powder and sodium fluoride that the catalyst, which is,：1 mixes.
Example 4
It counts in parts by weight, takes 80 parts of slags successively, 40 parts of kerosene are poured into No. 1 ball grinder, and are 25 by ball material mass ratio：1
Zirconium oxide ball milling pearl is added in, after ball milling mixing 4h, discharging obtains No. 1 ball milling material, and No. 1 ball milling material of gained is moved into pure oxygen, uses
Open fire is lighted, and combustion residue is collected to obtain in end to be combusted；It counts in parts by weight, takes 80 parts of boron muds successively, 15 parts of magnesia, 500 parts
Water, 100 portions of nutrient solutions, 10 parts of Bacillus pasteuriis are poured into fermentation tank, are 35 DEG C in temperature, rotating speed is 200r/min conditions
Under, constant temperature stirs fermentation 48h, and must ferment homogenate, and gained fermentation homogenate is transferred to Rotary Evaporators, is 80 DEG C in temperature, presses
Power is 600kPa, and under the conditions of rotating speed is 100r/min, 4h is concentrated under reduced pressure, and must concentrate fermentation homogenate；It counts in parts by weight, at No. 2
20 parts of combustion residues are sequentially added in ball grinder, 10 parts of rare earth oxides, 8 parts of boron oxides, 150 parts of concentrations, which are fermented, to be homogenized, 30 parts
Carbon black, 1.5 parts of catalyst, and be 30 by ball material mass ratio：1 adds in zirconium oxide ball milling pearl, ball milling mixing 5h, and discharging obtains No. 2 balls
Abrasive material；By No. 2 ball milling material of gained through extrusion forming, obtain adobe, and gained adobe is moved into dry kiln, in temperature be 80 DEG C of conditions
Under, low temperature drying to constant weight obtains dry brick, then gained dry brick moved into sintering furnace, and with 100mL/min rates to stove
Argon gas is inside passed through, under argon gas guard mode, 1350 DEG C are warming up to 10 DEG C/min rate programs, after heat preservation sintering 5h, is continued
150 DEG C are warming up to 15 DEG C/min rate programs, after heat preservation sintering 60min, cool to 550 DEG C with the furnace, stopping is passed through argon gas, and
Air is passed through into stove with 80mL/min rates, in air atmosphere calcine 45min after, cool to room temperature with the furnace, discharge to get
Boron mud base fired brick.The slag is electric furnace slag.The magnesia is natural magnesia.The nutrient solution is by following parts by weight
Raw material composition：20 parts of urea, 4 parts of potassium nitrate, 4 parts of magnesium nitrates, 6 parts of calcium nitrate, 0.8 part of ferrous nitrate, 10 portions of sucrose, 150
Part water.The rare earth oxide is cerium oxide.It is 20 in mass ratio by nanometer iron powder and sodium fluoride that the catalyst, which is,：1 mixing
It forms.
Example 5
It counts in parts by weight, takes 80 parts of slags successively, 40 parts of kerosene are poured into No. 1 ball grinder, and are 25 by ball material mass ratio：1
Zirconium oxide ball milling pearl is added in, after ball milling mixing 4h, discharging obtains No. 1 ball milling material, and No. 1 ball milling material of gained is moved into pure oxygen, uses
Open fire is lighted, and combustion residue is collected to obtain in end to be combusted；It counts in parts by weight, 20 parts of burnings is sequentially added in No. 2 ball grinders
Residue, 10 parts of rare earth oxides, 8 parts of boron oxides, 30 parts of carbon blacks, 1.5 parts of catalyst, and be 30 by ball material mass ratio：1 adds in oxygen
Change zirconium ball milling pearl, ball milling mixing 5h, discharging obtains No. 2 ball milling material；By No. 2 ball milling material of gained through extrusion forming, adobe is obtained, then will
Gained adobe moves into sintering furnace, and argon gas is passed through into stove with 100mL/min rates, under argon gas guard mode, with 10 DEG C/
Min rate programs are warming up to 1350 DEG C, after heat preservation sintering 5h, continue to be warming up to 150 DEG C with 15 DEG C/min rate programs, heat preservation is burnt
After tying 60min, 550 DEG C are cooled to the furnace, stopping is passed through argon gas, and air is passed through into stove with 80mL/min rates, in air
After calcining 45min in atmosphere, cool to room temperature with the furnace, discharge to get boron mud base fired brick.The slag is electric furnace slag.Institute
Magnesia is stated as natural magnesia.The nutrient solution is made of the raw material of following parts by weight：20 parts of urea, 4 parts of potassium nitrate, 4 parts
Magnesium nitrate, 6 parts of calcium nitrate, 0.8 part of ferrous nitrate, 10 portions of sucrose, 150 parts of water.The rare earth oxide is cerium oxide.It is described to urge
It is 20 in mass ratio by nanometer iron powder and sodium fluoride that agent, which is,：1 mixes.
Example 6
It counts in parts by weight, takes 80 parts of slags successively, 40 parts of kerosene are poured into No. 1 ball grinder, and are 25 by ball material mass ratio：1
Zirconium oxide ball milling pearl is added in, after ball milling mixing 4h, discharging obtains No. 1 ball milling material, and No. 1 ball milling material of gained is moved into pure oxygen, uses
Open fire is lighted, and combustion residue is collected to obtain in end to be combusted；It counts in parts by weight, takes 80 parts of boron muds successively, 15 parts of magnesia, 40 parts
Flyash, 500 parts of water, 100 portions of nutrient solutions, 10 parts of Bacillus pasteuriis are poured into fermentation tank, are 35 DEG C in temperature, rotating speed is
Under the conditions of 200r/min, constant temperature stirring fermentation 48h, must ferment homogenate, and gained fermentation homogenate is transferred to Rotary Evaporators, Yu Wen
It is 80 DEG C, pressure 600kPa to spend, and under the conditions of rotating speed is 100r/min, 4h is concentrated under reduced pressure, and must concentrate fermentation homogenate；By weight
Number meter sequentially adds 20 parts of combustion residues, 10 parts of rare earth oxides, 8 parts of boron oxides, 150 parts of concentration fermentations in No. 2 ball grinders
Homogenate, 1.5 parts of catalyst, and be 30 by ball material mass ratio：1 adds in zirconium oxide ball milling pearl, ball milling mixing 5h, and discharging obtains No. 2 balls
Abrasive material；By No. 2 ball milling material of gained through extrusion forming, obtain adobe, and gained adobe is moved into dry kiln, in temperature be 80 DEG C of conditions
Under, low temperature drying to constant weight obtains dry brick, then gained dry brick moved into sintering furnace, and with 100mL/min rates to stove
Argon gas is inside passed through, under argon gas guard mode, 1350 DEG C are warming up to 10 DEG C/min rate programs, after heat preservation sintering 5h, is continued
150 DEG C are warming up to 15 DEG C/min rate programs, after heat preservation sintering 60min, cool to 550 DEG C with the furnace, stopping is passed through argon gas, and
Air is passed through into stove with 80mL/min rates, in air atmosphere calcine 45min after, cool to room temperature with the furnace, discharge to get
Boron mud base fired brick.The slag is electric furnace slag.The magnesia is natural magnesia.The nutrient solution is by following parts by weight
Raw material composition：20 parts of urea, 4 parts of potassium nitrate, 4 parts of magnesium nitrates, 6 parts of calcium nitrate, 0.8 part of ferrous nitrate, 10 portions of sucrose, 150
Part water.The rare earth oxide is cerium oxide.It is 20 in mass ratio by nanometer iron powder and sodium fluoride that the catalyst, which is,：1 mixing
It forms.
Example 7
It counts in parts by weight, takes 80 parts of slags successively, 40 parts of kerosene are poured into No. 1 ball grinder, and are 25 by ball material mass ratio：1
Zirconium oxide ball milling pearl is added in, after ball milling mixing 4h, discharging obtains No. 1 ball milling material, and No. 1 ball milling material of gained is moved into pure oxygen, uses
Open fire is lighted, and combustion residue is collected to obtain in end to be combusted；It counts in parts by weight, takes 80 parts of boron muds successively, 15 parts of magnesia, 40 parts
Flyash, 500 parts of water, 100 portions of nutrient solutions, 10 parts of Bacillus pasteuriis are poured into fermentation tank, are 35 DEG C in temperature, rotating speed is
Under the conditions of 200r/min, constant temperature stirring fermentation 48h, must ferment homogenate, and gained fermentation homogenate is transferred to Rotary Evaporators, Yu Wen
It is 80 DEG C, pressure 600kPa to spend, and under the conditions of rotating speed is 100r/min, 4h is concentrated under reduced pressure, and must concentrate fermentation homogenate；By weight
Number meter sequentially adds 20 parts of combustion residues, 8 parts of boron oxides in No. 2 ball grinders, and 150 parts of concentration fermentations are homogenized, 30 parts of carbon blacks,
1.5 parts of catalyst, and be 30 by ball material mass ratio：1 adds in zirconium oxide ball milling pearl, ball milling mixing 5h, and discharging obtains No. 2 ball milling material；
By No. 2 ball milling material of gained through extrusion forming, adobe is obtained, and gained adobe is moved into dry kiln, it is low under the conditions of temperature is 80 DEG C
Drying to constant weight for temperature, obtains dry brick, then gained dry brick is moved into sintering furnace, and lead into stove with 100mL/min rates
Enter argon gas, under argon gas guard mode, be warming up to 1350 DEG C with 10 DEG C/min rate programs, after heat preservation sintering 5h, continue with 15
DEG C/min rate programs are warming up to 150 DEG C, after heat preservation sintering 60min, cool to 550 DEG C with the furnace, stopping is passed through argon gas, and with
80mL/min rates are passed through air into stove, after calcining 45min in air atmosphere, cool to room temperature with the furnace, discharge to get boron
Mud base fired brick.The slag is electric furnace slag.The magnesia is natural magnesia.The nutrient solution is by following parts by weight
Raw material forms：20 parts of urea, 4 parts of potassium nitrate, 4 parts of magnesium nitrates, 6 parts of calcium nitrate, 0.8 part of ferrous nitrate, 10 portions of sucrose, 150 parts
Water.It is 20 in mass ratio by nanometer iron powder and sodium fluoride that the catalyst, which is,：1 mixes.
Example 8
It counts in parts by weight, takes 80 parts of slags successively, 40 parts of kerosene are poured into No. 1 ball grinder, and are 25 by ball material mass ratio：1
Zirconium oxide ball milling pearl is added in, after ball milling mixing 4h, discharging obtains No. 1 ball milling material, and No. 1 ball milling material of gained is moved into pure oxygen, uses
Open fire is lighted, and combustion residue is collected to obtain in end to be combusted；It counts in parts by weight, takes 80 parts of boron muds successively, 15 parts of magnesia, 40 parts
Flyash, 500 parts of water, 100 portions of nutrient solutions, 10 parts of Bacillus pasteuriis are poured into fermentation tank, are 35 DEG C in temperature, rotating speed is
Under the conditions of 200r/min, constant temperature stirring fermentation 48h, must ferment homogenate, and gained fermentation homogenate is transferred to Rotary Evaporators, Yu Wen
It is 80 DEG C, pressure 600kPa to spend, and under the conditions of rotating speed is 100r/min, 4h is concentrated under reduced pressure, and must concentrate fermentation homogenate；By weight
Number meter sequentially adds 20 parts of combustion residues, 10 parts of rare earth oxides, 8 parts of boron oxides, 150 parts of concentration fermentations in No. 2 ball grinders
Homogenate, 30 parts of carbon blacks, and be 30 by ball material mass ratio：1 adds in zirconium oxide ball milling pearl, ball milling mixing 5h, and discharging obtains No. 2 ball millings
Material；By No. 2 ball milling material of gained through extrusion forming, obtain adobe, and gained adobe is moved into dry kiln, in temperature be 80 DEG C of conditions
Under, low temperature drying to constant weight obtains dry brick, then gained dry brick moved into sintering furnace, and with 100mL/min rates to stove
Argon gas is inside passed through, under argon gas guard mode, 1350 DEG C are warming up to 10 DEG C/min rate programs, after heat preservation sintering 5h, is continued
150 DEG C are warming up to 15 DEG C/min rate programs, after heat preservation sintering 60min, cool to 550 DEG C with the furnace, stopping is passed through argon gas, and
Air is passed through into stove with 80mL/min rates, in air atmosphere calcine 45min after, cool to room temperature with the furnace, discharge to get
Boron mud base fired brick.The slag is electric furnace slag.The magnesia is natural magnesia.The nutrient solution is by following parts by weight
Raw material composition：20 parts of urea, 4 parts of potassium nitrate, 4 parts of magnesium nitrates, 6 parts of calcium nitrate, 0.8 part of ferrous nitrate, 10 portions of sucrose, 150
Part water.The rare earth oxide is cerium oxide.
Example 9
It counts in parts by weight, takes 80 parts of slags successively, 40 parts of kerosene are poured into No. 1 ball grinder, and are 25 by ball material mass ratio：1
Zirconium oxide ball milling pearl is added in, after ball milling mixing 4h, discharging obtains No. 1 ball milling material, and No. 1 ball milling material of gained is moved into pure oxygen, uses
Open fire is lighted, and combustion residue is collected to obtain in end to be combusted；It counts in parts by weight, takes 80 parts of boron muds successively, 15 parts of magnesia, 40 parts
Flyash, 500 parts of water, 100 portions of nutrient solutions, 10 parts of Bacillus pasteuriis are poured into fermentation tank, are 35 DEG C in temperature, rotating speed is
Under the conditions of 200r/min, constant temperature stirring fermentation 48h, must ferment homogenate, and gained fermentation homogenate is transferred to Rotary Evaporators, Yu Wen
It is 80 DEG C, pressure 600kPa to spend, and under the conditions of rotating speed is 100r/min, 4h is concentrated under reduced pressure, and must concentrate fermentation homogenate；By weight
Number meter sequentially adds 20 parts of combustion residues, 10 parts of rare earth oxides, 8 parts of boron oxides, 150 parts of concentration fermentations in No. 2 ball grinders
Homogenate, 30 parts of carbon blacks, 1.5 parts of catalyst, and be 30 by ball material mass ratio：1 adds in zirconium oxide ball milling pearl, and ball milling mixing 5h goes out
Material, obtains No. 2 ball milling material；By No. 2 ball milling material of gained through extrusion forming, adobe is obtained, and gained adobe is moved into dry kiln, in temperature
Under the conditions of 80 DEG C, low temperature drying to constant weight obtains dry brick, then gained dry brick is moved into sintering furnace, and with 100mL/
Min rates are passed through argon gas into stove, under argon gas guard mode, are warming up to 1350 DEG C with 10 DEG C/min rate programs, heat preservation is burnt
After tying 5h, continue to be warming up to 150 DEG C with 15 DEG C/min rate programs, after heat preservation sintering 60min, cool to 550 DEG C with the furnace, stop
Argon gas is passed through, and air is passed through into stove with 80mL/min rates, after calcining 45min in air atmosphere, cools to room with the furnace
Temperature discharges to get boron mud base fired brick.The slag is electric furnace slag.The magnesia is natural magnesia.The nutrient solution be by
The raw material composition of following parts by weight：20 parts of urea, 4 parts of potassium chloride, 4 parts of magnesium chlorides, 6 parts of calcium chloride, 0.8 part of frerrous chloride,
10 portions of sucrose, 150 parts of water.The rare earth oxide is cerium oxide.The catalyst is by quality by nanometer iron powder and sodium fluoride
Than being 20：1 mixes.
Comparative example：The borax mud sintered brick of Shandong building materials Co., Ltd production.
1 to 9 gained borax mud sintered brick of example and comparative example product are subjected to performance detection, specific detection method is as follows：
The method of inspection tests the brick sample of firing as defined in GB/T2542, detects its compression strength, specific testing result
As shown in table 1：
Table 1：Performance detection table
| Detection content | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | Example 7 | Example 8 | Example 9 | Comparative example |
| Compression strength/MPa | 35.3 | 22.9 | 21.8 | 28.3 | 25.4 | 21.2 | 25.1 | 23.3 | 22.8 | 15.5 |
By 1 testing result of table it is found that present invention gained borax mud sintered brick has excellent mechanical property.
Claims (6)
1. a kind of preparation method of boron mud base fired brick, it is characterised in that specifically preparation process is：
（1）It counts in parts by weight, takes 60~80 parts of slags successively, 30~40 parts of kerosene, after 2~4h of ball milling mixing, in pure oxygen
Burning, obtains combustion residue；
（2）It counts in parts by weight, takes 60~80 parts of boron muds successively, 10~15 parts of magnesia, 30~40 parts of flyash, 300~500 parts
Water, 80~100 portions of nutrient solutions, 8~10 parts of Bacillus pasteuriis, constant temperature stirring fermentation are concentrated under reduced pressure, must concentrate fermentation homogenate；
（3）It counts in parts by weight, takes 10~20 parts of combustion residues successively, 8~10 parts of rare earth oxides, 4~8 parts of boron oxides, 100
~150 parts of concentration fermentation homogenate, 20~30 parts of carbon blacks, 0.8~1.5 part of catalyst, ball milling mixing obtain ball milling material；
（4）After gained ball milling material extrusion forming, low temperature drying, under argon gas guard mode, in temperature be 1200~1350
Under the conditions of DEG C, 3~5h is sintered, then be warming up to 1480~1520 DEG C, after 45~60min of heat preservation sintering, furnace cooling 500~550
DEG C, 30~45min is calcined in air atmosphere, then through cooling, discharge to get boron mud base fired brick.
2. a kind of preparation method of boron mud base fired brick according to claim 1, it is characterised in that：Step（1）The steel
Slag is any one in electric furnace slag, open hearth slag or converter slag.
3. a kind of preparation method of boron mud base fired brick according to claim 1, it is characterised in that：Step（2）The magnesium
Sand is any one in natural magnesia or seawater magnesia.
4. a kind of preparation method of boron mud base fired brick according to claim 1, it is characterised in that：Step（2）The battalion
Nutrient solution is made of the raw material of following parts by weight：10~20 parts of urea, 2~4 parts of potassium nitrate, 2~4 parts of magnesium nitrates, 4~6 parts
Calcium nitrate, 0.6~0.8 part of ferrous nitrate, 8~10 portions of sucrose, 100~150 parts of water.
5. a kind of preparation method of boron mud base fired brick according to claim 1, it is characterised in that：Step（3）It is described dilute
Native oxide is any one in cerium oxide, rubidium oxide, lanthana or yttrium oxide.
6. a kind of preparation method of boron mud base fired brick according to claim 1, it is characterised in that：Step（3）It is described to urge
It is 10 in mass ratio by nanometer iron powder and sodium fluoride that agent, which is,：1~20：1 mixes.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095808A (en) * | 2018-08-15 | 2018-12-28 | 辽宁大学 | For discarding the plasticized paste and its preparation method and application of boron mud recycling |
| CN109133724A (en) * | 2018-09-28 | 2019-01-04 | 佛山齐安建筑科技有限公司 | A kind of high tenacity integrated wall plate |
| CN110002848A (en) * | 2019-02-25 | 2019-07-12 | 何治伟 | A kind of wear-resisting high-ductility material of 3D printing ceramics |
-
2017
- 2017-12-30 CN CN201711489675.7A patent/CN108178614A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109095808A (en) * | 2018-08-15 | 2018-12-28 | 辽宁大学 | For discarding the plasticized paste and its preparation method and application of boron mud recycling |
| CN109133724A (en) * | 2018-09-28 | 2019-01-04 | 佛山齐安建筑科技有限公司 | A kind of high tenacity integrated wall plate |
| CN110002848A (en) * | 2019-02-25 | 2019-07-12 | 何治伟 | A kind of wear-resisting high-ductility material of 3D printing ceramics |
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