CN106630954A - Preparation method of heat insulating brick high in hardness and abrasive resistance - Google Patents
Preparation method of heat insulating brick high in hardness and abrasive resistance Download PDFInfo
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Abstract
The invention discloses a preparation method of a heat insulating brick which is high in hardness and abrasive resistance. The preparation method includes: smashing modified halloysite powder, iron tailings, basalt, heavy-crystal sand, carbon nano tubes, gypsums, barium slags, glass beads and bamboo charcoal powder; screening via a 0.5mm-mesh screen; adding water to enable the water content to reach 15-23wt%, stirring uniformly, and aging to manufacture an unburned brick; drying the unburned brick indoors naturally, placing into a drying oven, baking for 5-10 hours at a temperature of 105-115 DEG C, roasting in a furnace, raising the temperature from a room temperature to 400-500 DEGC during roasting, keeping the temperature, keeping raising the temperature to 600-700 DEG C, and cooling to the room temperature to obtain the heat insulating brick high in hardness and abrasive resistance. The heat insulating brick is high in hardness and abrasive resistance, and the preparation method is simple and convenient to operate practically.
Description
Technical field
The present invention relates to fired brick technical field, more particularly to a kind of hardness is high and with the system of superior abrasion resistance insulating brick
Preparation Method.
Background technology
Industrialized process brings the progress of society, productivity to us and greatly improves, but while has also caused one
The energy crisis of series.With non-renewable resources such as the aggravation year by year to energy extraction, tellurian fossil, fuel gradually
Gradually exhausted, the alarm bell of energy crisis has been beaten.In recent years, energy problem caused countries in the world and more and more paid close attention to,
And it has been put into one of four big vital conjunctures of facing mankind.The insulation of all kinds of Thermal Equipments and building is adiabatic, is the weight of energy-conservation
Measure is wanted, at present all kinds of Thermal Equipments and construction wall use in a large number insulating brick, but its hardness and wear resistance also to can not meet
Demand, it would be highly desirable to solve.
The content of the invention
The present invention proposes a kind of hardness height and with the preparation method of superior abrasion resistance insulating brick, and hardness is high, wearability
It is good, and preparation method is simple, is easy to practical operation.
A kind of hardness proposed by the present invention is high and with the preparation method of superior abrasion resistance insulating brick, comprises the steps：
S1, by modified galapectite powder, iron tailings, basalt, weight crystal sand, CNT, gypsum, barium slag, glass microballoon, bamboo
Powdered carbon is crushed, and crosses the sieve of 0.5mm；
S2, water content is added water to for 15-23wt%, stirred, be aged, brickmaking base；
S3, adobe is spontaneously dried indoors, be put into baking oven, the shove charge roasting after temperature 105-115 DEG C baking 5-10h,
From 400-500 DEG C of room temperature in roasting process, insulation is continuously heating to 600-700 DEG C, is cooled to room temperature, obtains hardness high
And with superior abrasion resistance insulating brick.
Preferably, in S1, by weight by the modified galapectite powder of 15-25 parts, 10-20 part iron tailings, 15-25 part Black Warriors
Rock, 8-13 parts weight crystal sand, 4-10 part CNTs, 5-15 part gypsum, 4-10 part barium slags, 7-18 part glass microballoons, 10-20 part bamboos
Powdered carbon is crushed.
Preferably, in S2, digestion time is 15-25h.
Preferably, in S3, from room temperature with 400-500 DEG C of the speed intensification of 2.5-3.5 DEG C/min, insulation in roasting process
50-100min, continuation is warming up to 600-700 DEG C with the speed of 1-2 DEG C/min.
Preferably, described hardness is high and with the preparation method of superior abrasion resistance insulating brick, comprises the steps：
S1, by weight by the modified galapectite powder of 15-25 parts, 10-20 part iron tailings, 15-25 part basalt, 8-13 parts weight
Crystal sand, 4-10 part CNTs, 5-15 part gypsum, 4-10 part barium slags, 7-18 part glass microballoons, 10-20 parts bamboo charcoal powder are crushed, mistake
The sieve of 0.5mm；
S2, water content is added water to for 15-23wt%, stirred, be aged 15-25h, brickmaking base；
S3, adobe is spontaneously dried indoors 10-18h, be put into baking oven, the shove charge after temperature 105-115 DEG C baking 5-10h
Roasting, from room temperature with 400-500 DEG C of the speed intensification of 2.5-3.5 DEG C/min in roasting process, is incubated 50-100min, continue with
The speed of 1-2 DEG C/min is warming up to 600-700 DEG C, is cooled to room temperature, obtains hardness height and with superior abrasion resistance insulating brick.
Preferably, the galapectite powder that is modified is prepared using following technique：Galapectite powder, sodium hydroxide solution mixing are stirred
Mix, send into ultrasonic grinder in ultrasound, regulation system pH value to 4.5-5.2, be spray-dried, add ethanol solution, kaolin,
γ-mercaptopropyl trimethoxysilane is mixed, grinding, in temperature 75-85 DEG C stirring, adds silk gum solution, ethylene glycol two to contract
Water glyceryl ether continues to stir, and filters, washing, in temperature 70-80 DEG C drying, grinding, obtains modified galapectite powder.
Preferably, by galapectite powder, sodium hydroxide solution mix, wherein mixing time be 3-5h, whipping temp
For 65-75 DEG C, mixing speed is 400-520r/min.
Preferably, ultrasound in ultrasonic grinder is sent into, wherein ultrasonic power is 400-460W, and supersonic frequency is 25-
35kHz, ultrasonic time is 15-25min.
Preferably, galapectite powder, kaolin, γ-mercaptopropyl trimethoxysilane, ethylene glycol diglycidyl base ether
Weight ratio is 30-50：15-35：2-6：1-5.
Preferably, the galapectite powder that is modified is prepared using following technique：By weight by 30-50 part galapectite powder, 80-
120 parts of concentration are that 1.2-1.8mol/L sodium hydroxide solutions mix 3-5h, and whipping temp is 65-75 DEG C, and mixing speed is
400-520r/min, feeding power is 400-460W, and frequency is ultrasound 15-25min in the ultrasonic grinder of 25-35kHz, adjusts
Section system pH is spray-dried to 4.5-5.2, adds 100-140 parts concentration to be 65-75wt% ethanol solutions, 15-35 part kaolinites
Soil, 2-6 parts γ-mercaptopropyl trimethoxysilane mixes 2-4h, grinds 20-40min, and in temperature 75-85 DEG C 2-4h is stirred,
20-50 parts concentration is added to be 0.15-0.25wt% silk gum solution, 1-5 part ethylene glycol diglycidyl bases ether continuation stirring 30-
60min, filters, washing, in temperature 70-80 DEG C drying, grinding, obtains modified galapectite powder.
Containing aluminium and element silicon in the galapectite powder of the present invention, using formation silicate and aluminic acid after naoh treatment
Salt, carries out that kaolin interlayer can be entered after ion exchange with kaolin, coordinates γ-mercaptopropyl trimethoxysilane grafting, can change
Kind and iron tailings, basalt, weight crystal sand, CNT, gypsum, barium slag, glass microballoon, bamboo charcoal powder compatibility, and height can be strengthened
Ridge soil layer spacing, good dispersion is excellent with iron tailings, basalt dispersive property, further in ethylene glycol diglycidyl base ether
Cooperation under, form polarity and nonpolar compatible good macromolecule mesh space structure on halloysite nanotubes surface, iron tailings,
Basalt, weight crystal sand, CNT, gypsum, barium slag, glass microballoon are further enhanced with modified galapectite powder compatibility, are passed through
After sintering, Article Stiffness Determination is extremely excellent with wearability.
Specific embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of hardness is high and with the preparation method of superior abrasion resistance insulating brick, comprises the steps：
S1, by modified galapectite powder, iron tailings, basalt, weight crystal sand, CNT, gypsum, barium slag, glass microballoon, bamboo
Powdered carbon is crushed, and crosses the sieve of 0.5mm；
S2, water content is added water to for 15wt%, stirred, be aged, brickmaking base；
S3, adobe is spontaneously dried indoors, be put into baking oven, the shove charge roasting after 115 DEG C of baking 5h of temperature, roasting process
In from 500 DEG C of room temperature, insulation, be continuously heating to 600 DEG C, be cooled to room temperature, obtain hardness high and with superior abrasion resistance
Insulating brick.
Embodiment 2
A kind of hardness is high and with the preparation method of superior abrasion resistance insulating brick, comprises the steps：
S1, by modified galapectite powder, iron tailings, basalt, weight crystal sand, CNT, gypsum, barium slag, glass microballoon, bamboo
Powdered carbon is crushed, and crosses the sieve of 0.5mm；
S2, water content is added water to for 23wt%, stirred, be aged, brickmaking base；
S3, adobe is spontaneously dried indoors, be put into baking oven, the shove charge roasting after 105 DEG C of baking 10h of temperature, roasting
From 400 DEG C of room temperature in journey, insulation is continuously heating to 700 DEG C, is cooled to room temperature, obtains hardness high and with excellent wear-resisting
Property insulating brick.
Embodiment 3
A kind of hardness is high and with the preparation method of superior abrasion resistance insulating brick, comprises the steps：
S1, by weight by 25 parts of modified galapectite powder, 10 parts of iron tailings, 25 parts of basalt, 8 parts of weight crystal sands, 10 parts of carbon
Nanotube, 5 parts of gypsum, 10 parts of barium slags, 7 parts of glass microballoons, 20 parts of bamboo charcoal powders are crushed, and cross the sieve of 0.5mm；
S2, water content is added water to for 15wt%, stirred, be aged 25h, brickmaking base；
S3, adobe is spontaneously dried indoors 10h, be put into baking oven, the shove charge roasting after 115 DEG C of baking 5h of temperature, roasting
During heated up 400 DEG C with the speed of 3.5 DEG C/min from room temperature, be incubated 100min, continuation is warming up to the speed of 1 DEG C/min
700 DEG C, room temperature is cooled to, obtains hardness height and with superior abrasion resistance insulating brick.
Modified galapectite powder is prepared using following technique：It is by 30 parts of galapectite powder, 120 parts of concentration by weight
1.2mol/L sodium hydroxide solutions mix 5h, and whipping temp is 65 DEG C, and mixing speed is 520r/min, send into power and are
400W, frequency is ultrasound 15min in the ultrasonic grinder of 35kHz, and regulation system pH value to 5.2 is spray-dried, and adds 100
Part concentration is 75wt% ethanol solutions, 15 parts of kaolin, 6 parts of γ-mercaptopropyl trimethoxysilanes mixing 2h, is ground
40min, in 75 DEG C of stirring 4h of temperature, adds 20 parts of concentration to be 0.25wt% silk gum solution, 1 part of ethylene glycol diglycidyl base ether
Continue to stir 60min, filter, washing is dried in temperature 70 C, grinding, obtain modified galapectite powder.
Embodiment 4
A kind of hardness is high and with the preparation method of superior abrasion resistance insulating brick, comprises the steps：
S1, by weight by 15 parts of modified galapectite powder, 20 parts of iron tailings, 15 parts of basalt, 13 parts of weight crystal sands, 4 parts of carbon
Nanotube, 15 parts of gypsum, 4 parts of barium slags, 18 parts of glass microballoons, 10 parts of bamboo charcoal powders are crushed, and cross the sieve of 0.5mm；
S2, water content is added water to for 23wt%, stirred, be aged 15h, brickmaking base；
S3, adobe is spontaneously dried indoors 18h, be put into baking oven, the shove charge roasting after 105 DEG C of baking 10h of temperature, roasting
During heated up 500 DEG C with the speed of 2.5 DEG C/min from room temperature, be incubated 50min, continuation is warming up to 600 with the speed of 2 DEG C/min
DEG C, room temperature is cooled to, obtain hardness height and with superior abrasion resistance insulating brick.
Modified galapectite powder is prepared using following technique：It is by 50 parts of galapectite powder, 80 parts of concentration by weight
1.8mol/L sodium hydroxide solutions mix 3h, and whipping temp is 75 DEG C, and mixing speed is 400r/min, send into power and are
460W, frequency is ultrasound 25min in the ultrasonic grinder of 25kHz, and regulation system pH value to 4.5 is spray-dried, and adds 140
Part concentration is 65wt% ethanol solutions, 35 parts of kaolin, 2 parts of γ-mercaptopropyl trimethoxysilanes mixing 4h, is ground
20min, in 85 DEG C of stirring 2h of temperature, adds 50 parts of concentration to be 0.15wt% silk gum solution, 5 parts of ethylene glycol diglycidyl base ethers
Continue to stir 30min, filter, washing, in 80 DEG C of dryings of temperature, grinding, obtains modified galapectite powder.
Embodiment 5
A kind of hardness is high and with the preparation method of superior abrasion resistance insulating brick, comprises the steps：
S1, by weight by 19 parts of modified galapectite powder, 16 parts of iron tailings, 22 parts of basalt, 10 parts of weight crystal sands, 8 parts of carbon
Nanotube, 12 parts of gypsum, 9 parts of barium slags, 12 parts of glass microballoons, 18 parts of bamboo charcoal powders are crushed, and cross the sieve of 0.5mm；
S2, water content is added water to for 18wt%, stirred, be aged 22h, brickmaking base；
S3, adobe is spontaneously dried indoors 16h, be put into baking oven, the shove charge roasting after 110 DEG C of baking 8h of temperature, roasting
During heated up 460 DEG C with the speed of 2.9 DEG C/min from room temperature, be incubated 80min, continuation is warming up to the speed of 1.5 DEG C/min
620 DEG C, room temperature is cooled to, obtains hardness height and with superior abrasion resistance insulating brick.
Modified galapectite powder is prepared using following technique：It is by 45 parts of galapectite powder, 100 parts of concentration by weight
1.6mol/L sodium hydroxide solutions mix 4h, and whipping temp is 69 DEG C, and mixing speed is 485r/min, send into power and are
425W, frequency is ultrasound 19min in the ultrasonic grinder of 28kHz, and regulation system pH value to 4.8 is spray-dried, and adds 125
Part concentration is 69wt% ethanol solutions, 32 parts of kaolin, 4 parts of γ-mercaptopropyl trimethoxysilanes mixing 3h, is ground
32min, in 78 DEG C of stirring 3h of temperature, adds 34 parts of concentration to be 0.22wt% silk gum solution, 3 parts of ethylene glycol diglycidyl base ethers
Continue to stir 42min, filter, washing, in 76 DEG C of dryings of temperature, grinding, obtains modified galapectite powder.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (10)
1. a kind of hardness is high and with the preparation method of superior abrasion resistance insulating brick, it is characterised in that comprise the steps：
S1, by modified galapectite powder, iron tailings, basalt, weight crystal sand, CNT, gypsum, barium slag, glass microballoon, bamboo charcoal powder
Crush, cross the sieve of 0.5mm；
S2, water content is added water to for 15-23wt%, stirred, be aged, brickmaking base；
S3, adobe is spontaneously dried indoors, be put into baking oven, the shove charge roasting after temperature 105-115 DEG C baking 5-10h, roasting
During from 400-500 DEG C of room temperature, insulation, be continuously heating to 600-700 DEG C, be cooled to room temperature, obtain hardness high and have
There is superior abrasion resistance insulating brick.
2. hardness according to claim 1 is high and with the preparation method of superior abrasion resistance insulating brick, it is characterised in that
In S1, by weight by the modified galapectite powder of 15-25 parts, 10-20 part iron tailings, 15-25 part basalt, 8-13 parts weight crystal sand,
4-10 part CNTs, 5-15 part gypsum, 4-10 part barium slags, 7-18 part glass microballoons, 10-20 parts bamboo charcoal powder are crushed.
3. hardness according to claim 1 and 2 is high and with the preparation method of superior abrasion resistance insulating brick, and its feature exists
In in S2, digestion time is 15-25h.
4. hardness according to any one of claim 1-3 is high and with the preparation method of superior abrasion resistance insulating brick, and it is special
Levy and be, in S3, from room temperature with 400-500 DEG C of the speed intensification of 2.5-3.5 DEG C/min in roasting process, be incubated 50-
100min, continuation is warming up to 600-700 DEG C with the speed of 1-2 DEG C/min.
5. hardness according to any one of claim 1-4 is high and with the preparation method of superior abrasion resistance insulating brick, and it is special
Levy and be, comprise the steps：
It is S1, by weight that the modified galapectite powder of 15-25 parts, 10-20 part iron tailings, 15-25 part basalt, 8-13 parts weight is brilliant
Sand, 4-10 part CNTs, 5-15 part gypsum, 4-10 part barium slags, 7-18 part glass microballoons, 10-20 parts bamboo charcoal powder are crushed, mistake
The sieve of 0.5mm；
S2, water content is added water to for 15-23wt%, stirred, be aged 15-25h, brickmaking base；
S3, adobe is spontaneously dried indoors 10-18h, be put into baking oven, the shove charge roasting after temperature 105-115 DEG C baking 5-10h
Burn, from room temperature with 400-500 DEG C of the speed intensification of 2.5-3.5 DEG C/min in roasting process, be incubated 50-100min, continue with 1-2
DEG C/speed of min is warming up to 600-700 DEG C, is cooled to room temperature, obtains hardness high and with superior abrasion resistance insulating brick.
6. hardness according to any one of claim 1-6 is high and with the preparation method of superior abrasion resistance insulating brick, and it is special
Levy and be, the galapectite powder that is modified is prepared using following technique：Galapectite powder, sodium hydroxide solution are mixed, is sent into super
Ultrasound in sonic disintegrator, regulation system pH value to 4.5-5.2 is spray-dried, and adds ethanol solution, kaolin, γ-mercapto propyl group
Trimethoxy silane is mixed, grinding, in temperature 75-85 DEG C stirring, adds silk gum solution, ethylene glycol diglycidyl base ether
Continue to stir, filter, washing, in temperature 70-80 DEG C drying, grinding, obtains modified galapectite powder.
7. hardness according to claim 6 is high and with the preparation method of superior abrasion resistance insulating brick, it is characterised in that will
Galapectite powder, sodium hydroxide solution are mixed, and wherein mixing time is 3-5h, and whipping temp is 65-75 DEG C, mixing speed
For 400-520r/min.
8. hardness according to claim 6 is high and with the preparation method of superior abrasion resistance insulating brick, it is characterised in that send
Enter ultrasound in ultrasonic grinder, wherein ultrasonic power is 400-460W, and supersonic frequency is 25-35kHz, and ultrasonic time is 15-
25min。
9. hardness according to claim 6 is high and with the preparation method of superior abrasion resistance insulating brick, it is characterised in that angstrom
Lip river stone powder, kaolin, γ-mercaptopropyl trimethoxysilane, the weight ratio of ethylene glycol diglycidyl base ether are 30-50：15-
35：2-6：1-5.
10. hardness according to claim 6 is high and with the preparation method of superior abrasion resistance insulating brick, it is characterised in that
Modified galapectite powder is prepared using following technique：It is 1.2- by weight by 30-50 part galapectite powder, 80-120 parts concentration
1.8mol/L sodium hydroxide solutions mix 3-5h, and whipping temp is 65-75 DEG C, and mixing speed is 400-520r/min, is sent
It is 400-460W to enter power, and frequency is ultrasound 15-25min in the ultrasonic grinder of 25-35kHz, and regulation system pH value is extremely
4.5-5.2, is spray-dried, add 100-140 parts concentration be 65-75wt% ethanol solutions, 15-35 part kaolin, 2-6 part γ-
Mercaptopropyl trimethoxysilane mixes 2-4h, grinds 20-40min, and in temperature 75-85 DEG C 2-4h is stirred, and adds 20-50 parts
Concentration is 0.15-0.25wt% silk gum solution, 1-5 part ethylene glycol diglycidyl bases ether continuation stirring 30-60min, is filtered, and is washed
Wash, in temperature 70-80 DEG C drying, grinding, obtain modified galapectite powder.
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