CN110002846A - A kind of refractory, hollow brick and preparation method thereof containing Fluorite slag - Google Patents
A kind of refractory, hollow brick and preparation method thereof containing Fluorite slag Download PDFInfo
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- CN110002846A CN110002846A CN201910283758.3A CN201910283758A CN110002846A CN 110002846 A CN110002846 A CN 110002846A CN 201910283758 A CN201910283758 A CN 201910283758A CN 110002846 A CN110002846 A CN 110002846A
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Abstract
The present invention provides a kind of refractory, hollow brick and preparation method thereof containing Fluorite slag, raw material and its parts by weight are as follows: 20 parts ~ 30 parts of Fluorite slag, 10 parts ~ 15 parts of lime, 6 parts ~ 8 parts of volcanic rock powder, 5 parts ~ 8 parts of modified nano concave good soil, discarded 36 parts ~ 50 parts of calcium silicate board with microporous, 3 parts ~ 6 parts of titanium dioxide powder, 1 part ~ 4 parts of ferrochrome ground-slag, 0.5 part ~ 1 part of calcium bicarbonate, 5 parts ~ 9 parts of carborundum powder, 24 parts ~ 34 parts of aluminum oxide, 9 parts ~ 13 parts of corundum, 11 parts ~ 15 parts of white mica powder, 2 parts ~ 5 parts of glass microballoon, 1.6 parts ~ 1.9 parts of sodium carboxymethylcellulose, 1 part ~ 3 parts of waterglass, 5 parts ~ 7 parts of octyl epoxy stearate, modified 20 parts ~ 22 parts of haydite, 4 parts ~ 7 parts of aluminum phosphate.Refractory, hollow brick refractoriness prepared by the present invention containing Fluorite slag is good, is suitble to large-scale production and application.
Description
Technical field
The present invention relates to refractory brick technical fields, and in particular to a kind of refractory, hollow brick containing Fluorite slag and its preparation
Method.
Background technique
The raising of human society industry and expanding economy and human living standard forms large-scale production, high consumptionization
With the social system of more discardedization.Under the background that worldwide energy and natural resources protection become more and more important, with industrial policy
Adjustment and environmental protection consciousness raising, other trade wastes utilization ascendant trend is also presented, most countries are to work
The Heterosis of economy, environment and technical aspect that industry waste has in the construction process goes out positive interest, many industry
Waste is proved to be recycled, and various trade wastes or urban construction waste are added to as raw material and added
In the production of gas brick, saving natural resources, the useless environmental protection of benefit and other effects are played, becomes and develops a circular economy and sustainable development
Power.
The main chemical compositions of fluorite are calcirm-fluoride, and colour generation is the transparent rock of the various tones such as white, red, blue, green, purple.
Fluorite majority present in nature is mingled with silica, calcium carbonate, iron oxide and aluminium oxide.The main composition of Fluorite slag is
Calcium silicates, it is possible to wollastonite is substituted, for preparing the blank of sanitary ware or ceramic tile, it is also possible to make the fluxing of ceramic glaze
Agent material.
Refractory brick is the refractory material with certain shapes and size being fired into refractory clay or other refractory raw materials,
Faint yellow or brown is mainly used for building smelting furnace.Divided by process of preparing can be divided into be fired into bricks, unburned brick, fused cast refractories,
Refratory insulating brick；Standard size brick, common brick, specific bricks etc. can be divided by shape and size.Refractory brick can be used as building kiln
With the high temperature construction material and structural material of various Thermal Equipments, and it is amenable to various physicochemical changes and machinery at high temperature
Effect.Refractory brick includes chamotte brick, high-alumina brick, silica brick, magnesia brick etc..Currently, there are compression strength for refractory brick on the market
Low, the problems such as fire resistance is poor, corrosion resistance is poor, when use, are easily damaged, and service life is short.
Chinese patent CN105461336B discloses a kind of preparation method of refractory brick, comprising: ferrovanadium dregs are preprocessed, powder
It is broken to obtain coarse aggregate, middle aggregate and fine aggregate；Raw material is mixed with aluminum phosphate solution, is stirred, tie material, molding, sintering obtain it is resistance to
Firebrick；The raw material includes the coarse aggregate of 13wt% ~ 17wt%, the middle aggregate of 23wt% ~ 27wt%, 13wt% ~ 17wt%'s
Fine aggregate, white clay fine powder 2wt% ~ 4wt%, 40wt% ~ 44wt% auxiliary material.But the refractory brick refractoriness of invention preparation is small.
In conclusion developing, a kind of good refractoriness, corrosion resistance, compression strength are high, thermal conductivity is low contains fluorite
Refractory, hollow brick of slag and preparation method thereof is those skilled in the art's urgent problem.
Summary of the invention
The object of the present invention is to provide a kind of refractory, hollow brick and preparation method thereof containing Fluorite slag, solve containing
The problems such as refractoriness of the refractory, hollow brick of Fluorite slag is low, compression strength is low, thermal conductivity is high.
To solve the above problems, the invention provides the following technical scheme: a kind of refractory, hollow brick containing Fluorite slag and
Preparation method:
Prepare the raw material and its parts by weight of the refractory, hollow brick containing Fluorite slag are as follows: 20 parts ~ 30 parts of Fluorite slag, 10 parts of lime
~ 15 parts, 6 parts ~ 8 parts of volcanic rock powder, 5 parts ~ 8 parts of modified nano concave good soil, discard 36 parts ~ 50 parts of calcium silicate board with microporous, titanium dioxide powder 3
Part ~ 6 parts, 1 part ~ 4 parts of ferrochrome ground-slag, 0.5 part ~ 1 part of calcium bicarbonate, 5 parts ~ 9 parts of carborundum powder, 24 parts ~ 34 parts of aluminum oxide,
9 parts ~ 13 parts of corundum, 11 parts ~ 15 parts of white mica powder, 2 parts ~ 5 parts of glass microballoon, 1.6 parts ~ 1.9 parts of sodium carboxymethylcellulose, water glass
1 part ~ 3 parts of glass, 5 parts ~ 7 parts of octyl epoxy stearate, modified 20 parts ~ 22 parts of haydite, 4 parts ~ 7 parts of aluminum phosphate.
Octyl epoxy stearate is lubricant, and frictional force between each raw material can be made to reduce, reduce gap, it is close to increase brick
Degree, the phase vapors away after sintering；
Glass microballoon has substantially reduced product weight and good heat insulating effect；
Sodium carboxymethylcellulose makees adhesive；
Waterglass plays bonding and reinforcing effect；
White mica powder has unique acidproof, alkaline-resisting, chemical stability, also has good insulation and heat resistance；
Haydite is a kind of lightweight aggregate of production foamed in rotary kiln, it has spherical shape, and surface is smooth and hard, interior
Portion is in honeycomb, has the characteristics that density is small, thermal conductivity is low, intensity is high, in refractories industry, haydite is mainly used for making heat-insulated
The aggregate of refractory material.
Further, modified nano concave good soil the preparation method comprises the following steps: by attapulgite with 10% salt acid soak 1h, use water
It dries, is dried after the vinyltriethoxysilane stirring of attapulgite weight 5% is added, grind into powder is modified after washing
Nano-attapulgite.
Further, modified haydite the preparation method comprises the following steps: it is to keep the temperature in 40 °C ~ 50 °C pretreatment fluids that haydite, which is placed in temperature,
20min ~ 30min obtains modified haydite.
Further, the raw material of pretreatment fluid and its mass percent part are as follows: Tea Saponin 1% ~ 2%, citric acid 0.3% ~
0.5%, water-soluble salicylic acid 0.8% ~ 1%, remaining is water.
Another object of the present invention is to provide a kind of above-mentioned preparation method of the refractory, hollow brick containing Fluorite slag,
Preparation step is as follows:
Step S1, after the volcanic rock powder of the parts by weight, white mica powder, titanium dioxide powder, ferrochrome ground-slag, calcium bicarbonate are mixed
2h, rear grind into powder are calcined under the conditions of temperature is 600 °C ~ 700 °C, the octyl epoxy stearate that the parts by weight are added stirs
It is dried after mixing, A material is obtained after crushing；
Step S2, by the Fluorite slag of the parts by weight temperature be 530 °C under the conditions of calcining 2h after, be then in mass concentration
It after being impregnated in 10% ~ 20% sodium hydroxide solution, is eluted with water, grinds after drying, obtains B material；
Discarded calcium silicate board with microporous, the corundum of the parts by weight are broken into the particle that partial size is 2mm ~ 4mm, with step S2 institute by step S3
It is put into calcining 10min ~ 16min in the calcining furnace that temperature is 1000 °C ~ 1100 °C after obtaining B material mixing, C material is obtained after crushing；
Step S4, by the modified nano concave good soil of the parts by weight, glass microballoon, modified haydite, lime, carborundum powder, three
Al 2 O puts into ball milling 20min ~ 30min in ball mill, and C pellet obtained by the material of A obtained by step S1, step S3 is added and grinds 1h ~ 2h,
It crosses 180 meshes ~ 200 meshes and obtains D material；
The waterglass, aluminum phosphate, sodium carboxymethylcellulose of the parts by weight are added in the material of D obtained by step S4, are formed by step S5
Mixture forms slurry input ageing library ageing after adding water stirring；
Step S6 does the slurry investment brickmaking machine after ageing by squeezing and being cut into adobe in the drying chamber
It is dry, it is then sintered under the conditions of temperature is 1450 °C ~ 1550 °C, obtains the refractory, hollow brick containing Fluorite slag.
Further, in step S2, in soaking process, by calcined Fluorite slag temperature be down to temperature be 20 °C ~
40 °C of immersion 1h ~ 2h.
Further, in step S5, during forming slurry, the weight ratio of mixture and water is 6 ~ 8:1.
Further, in step S5, in ageing process, first indoors temperature be 15 °C ~ 18 °C, air humidity be 85% ~
10h ~ 15h is aged under the conditions of 90%, then temperature is 22 °C ~ 25 °C indoors, air humidity is aged under the conditions of being 90% ~ 95%
20h。
Further, in step S6, drying process is divided to two sections of progress, and first segment is under the conditions of temperature is 20 °C ~ 30 °C
Dry 10h ~ 20h, second segment dry 20h ~ 30h under the conditions of temperature is 100 °C ~ 120 °C.
Further, in step S6, sintering time is 3h ~ 6h.
It can be seen from above-mentioned technical proposal the invention has the following advantages:
(1) refractory, hollow brick prepared by the present invention containing Fluorite slag uses Fluorite slag, and main chemical compositions are calcirm-fluoride,
Colour generation is the transparent rock of the various tones such as white, red, blue, green, purple, fluorite majority present in nature be mingled with silica,
Calcium carbonate, iron oxide and aluminium oxide have stronger fluxing action during producing refractory, hollow brick, and it is hollow to improve fire resisting
The compression strength of brick；
(2) refractory, hollow brick prepared by the present invention containing Fluorite slag use with stronger resistance to acid and alkali, corrosion resistance and
The attapulgite of heat-resisting quantity, heat-insulated low with the good glass microballoon of sound insulation value, density and thermal conductivity high modified haydite, muscovite
Equal raw materials, each raw material is mutually compound, forces together using sodium carboxymethylcellulose, waterglass are staggeredly viscous, intensity with higher,
The thermal coefficient of sintered clay hollow brick can also be significantly reduced, so that it improves hollow with excellent heat preservation and insulation
The heat resistance of brick；
(3) refractory, hollow brick prepared by the present invention containing Fluorite slag improves refractoriness by the interaction of each raw material,
And using Fluorite slag, discarded calcium silicate board with microporous as raw material, energy conservation and environmental protection reduces energy consumption, compared with existing product, technique
Simply, at low cost, properties of product are obviously improved, and preparing realizes the cyclic utilization of waste in refractory, hollow brick, are reduced to ring
The pollution in border meets strategy of sustainable development requirement.
Specific embodiment
The embodiment of the present invention is described in detail below, but what the present invention can be defined by the claims and cover
Multitude of different ways is implemented.
Embodiment 1
A kind of refractory, hollow brick containing Fluorite slag
Prepare the raw material and its parts by weight of the refractory, hollow brick containing Fluorite slag are as follows: Fluorite slag 20kg, lime 10kg, volcano
Rock powder 6kg, modified nano concave good soil 5kg discard calcium silicate board with microporous 36kg, titanium dioxide powder 3kg, ferrochrome ground-slag 1kg, calcium bicarbonate
0.5kg, carborundum powder 5kg, aluminum oxide 24kg, corundum 9kg, white mica powder 11kg, glass microballoon 2kg, carboxymethyl cellulose
Plain sodium 1.6kg, waterglass 1kg, octyl epoxy stearate 5kg, modified haydite 20kg, aluminum phosphate 4kg.
Modified nano concave good soil the preparation method comprises the following steps: by attapulgite with 10% salt acid soak 1h, dried after being washed with water,
It is dried after the vinyltriethoxysilane stirring of attapulgite weight 5% is added, grind into powder obtains modified Nano bumps
Stick soil.
Modified haydite the preparation method comprises the following steps: it is to keep the temperature 20min in 40 °C of pretreatment fluids that haydite, which is placed in temperature, be modified
Haydite, the raw material of pretreatment fluid and its mass percent part are as follows: Tea Saponin 1%, citric acid 0.3%, water-soluble salicylic acid 0.8%,
Yu Weishui.
The preparation method of refractory, hollow brick containing Fluorite slag, steps are as follows:
Step S1, after the volcanic rock powder of the parts by weight, white mica powder, titanium dioxide powder, ferrochrome ground-slag, calcium bicarbonate are mixed
2h is calcined under the conditions of temperature is 600 °C, rear grind into powder dries after the octyl epoxy stearate stirring of the parts by weight is added
It is dry, A material is obtained after crushing；
Step S2, by the Fluorite slag of the parts by weight under the conditions of temperature is 530 °C after calcining 2h, by calcined fluorite ore
It is 20 °C that slag temperature, which is down to temperature, then impregnates 1h in the sodium hydroxide solution that mass concentration is 10%, is eluted with water, and is dried
Grinds afterwards obtain B material；
Discarded calcium silicate board with microporous, the corundum of the parts by weight are broken into the particle that partial size is 2mm, expected with B obtained by step S2 by step S3
It is put into after mixing in the calcining furnace that temperature is 1000 °C and calcines 10min, C material is obtained after crushing；
Step S4, by the modified nano concave good soil of the parts by weight, glass microballoon, modified haydite, lime, carborundum powder, three
Al 2 O puts into ball milling 20min in ball mill, and C pellet obtained by the material of A obtained by step S1, step S3 is added and grinds 1h, crosses 180 meshes
Obtain D material；
The waterglass, aluminum phosphate, sodium carboxymethylcellulose of the parts by weight are added in the material of D obtained by step S4, are formed by step S5
Mixture forms slurry input ageing library ageing, during forming slurry, the weight of mixture and water after adding water stirring
It is then warm indoors than for 6:1, in ageing process, first temperature is 15 °C, air humidity is aged 10h under the conditions of being 85% indoors
Degree is 22 °C, air humidity is aged 20h under the conditions of being 90%；
Step S6 does the slurry investment brickmaking machine after ageing by squeezing and being cut into adobe in the drying chamber
Dry, drying process is divided to two sections of progress, and first segment dry 10h under the conditions of temperature is 20 °C, second segment is 100 °C of conditions in temperature
Then lower dry 20h is sintered 3h under the conditions of temperature is 1450 °C, obtains the refractory, hollow brick containing Fluorite slag.
Embodiment 2
A kind of refractory, hollow brick containing Fluorite slag
Prepare the raw material and its parts by weight of the refractory, hollow brick containing Fluorite slag are as follows: Fluorite slag 30kg, lime 15kg, volcano
Rock powder 8kg, modified nano concave good soil 8kg discard calcium silicate board with microporous 50kg, titanium dioxide powder 6kg, ferrochrome ground-slag 4kg, calcium bicarbonate
1kg, carborundum powder 9kg, aluminum oxide 34kg, corundum 13kg, white mica powder 15kg, glass microballoon 5kg, carboxymethyl cellulose
Sodium 1.9kg, waterglass 3kg, octyl epoxy stearate 7kg, modified haydite 22kg, aluminum phosphate 7kg.
Modified nano concave good soil the preparation method comprises the following steps: by attapulgite with 10% salt acid soak 1h, dried after being washed with water,
It is dried after the vinyltriethoxysilane stirring of attapulgite weight 5% is added, grind into powder obtains modified Nano bumps
Stick soil.
Modified haydite the preparation method comprises the following steps: it is to keep the temperature 30min in 50 °C of pretreatment fluids that haydite, which is placed in temperature, be modified
Haydite, the raw material of pretreatment fluid and its mass percent part are as follows: Tea Saponin 2%, citric acid 0.5%, water-soluble salicylic acid 1%, remaining
For water.
The preparation method of refractory, hollow brick containing Fluorite slag, steps are as follows:
Step S1, after the volcanic rock powder of the parts by weight, white mica powder, titanium dioxide powder, ferrochrome ground-slag, calcium bicarbonate are mixed
2h is calcined under the conditions of temperature is 700 °C, rear grind into powder dries after the octyl epoxy stearate stirring of the parts by weight is added
It is dry, A material is obtained after crushing；
Step S2, by the Fluorite slag of the parts by weight under the conditions of temperature is 530 °C after calcining 2h, by calcined fluorite ore
It is 40 °C that slag temperature, which is down to temperature, then impregnates 2h in the sodium hydroxide solution that mass concentration is 20%, is eluted with water, and is dried
Grinds afterwards obtain B material；
Discarded calcium silicate board with microporous, the corundum of the parts by weight are broken into the particle that partial size is 4mm, expected with B obtained by step S2 by step S3
It is put into after mixing in the calcining furnace that temperature is 1100 °C and calcines 16min, C material is obtained after crushing；
Step S4, by the modified nano concave good soil of the parts by weight, glass microballoon, modified haydite, lime, carborundum powder, three
Al 2 O puts into ball milling 30min in ball mill, and C pellet obtained by the material of A obtained by step S1, step S3 is added and grinds 2h, crosses 200 meshes
Obtain D material；
The waterglass, aluminum phosphate, sodium carboxymethylcellulose of the parts by weight are added in the material of D obtained by step S4, are formed by step S5
Mixture forms slurry input ageing library ageing, during forming slurry, the weight of mixture and water after adding water stirring
It is then warm indoors than for 8:1, in ageing process, first temperature is 18 °C, air humidity is aged 15h under the conditions of being 90% indoors
Degree is 25 °C, air humidity is aged 20h under the conditions of being 95%；
Step S6 does the slurry investment brickmaking machine after ageing by squeezing and being cut into adobe in the drying chamber
Dry, drying process is divided to two sections of progress, and first segment dry 20h under the conditions of temperature is 30 °C, second segment is 120 °C of conditions in temperature
Then lower dry 30h is sintered 6h under the conditions of temperature is 1550 °C, obtains the refractory, hollow brick containing Fluorite slag.
Embodiment 3
A kind of refractory, hollow brick containing Fluorite slag
Prepare the raw material and its parts by weight of the refractory, hollow brick containing Fluorite slag are as follows: Fluorite slag 25kg, lime 13kg, volcano
Rock powder 7kg, modified nano concave good soil 6kg discard calcium silicate board with microporous 40kg, titanium dioxide powder 5kg, ferrochrome ground-slag 3kg, calcium bicarbonate
0.5kg, carborundum powder 7kg, aluminum oxide 30kg, corundum 9kg, white mica powder 14kg, glass microballoon 5kg, carboxymethyl cellulose
Plain sodium 1.9kg, waterglass 2kg, octyl epoxy stearate 6kg, modified haydite 21kg, aluminum phosphate 6kg.
Modified nano concave good soil the preparation method comprises the following steps: by attapulgite with 10% salt acid soak 1h, dried after being washed with water,
It is dried after the vinyltriethoxysilane stirring of attapulgite weight 5% is added, grind into powder obtains modified Nano bumps
Stick soil.
Modified haydite the preparation method comprises the following steps: it is to keep the temperature 25min in 45 °C of pretreatment fluids that haydite, which is placed in temperature, be modified
Haydite, the raw material of pretreatment fluid and its mass percent part are as follows: Tea Saponin 2%, citric acid 0.3%, water-soluble salicylic acid 0.9%,
Yu Weishui.
The preparation method of refractory, hollow brick containing Fluorite slag, steps are as follows:
Step S1, after the volcanic rock powder of the parts by weight, white mica powder, titanium dioxide powder, ferrochrome ground-slag, calcium bicarbonate are mixed
2h is calcined under the conditions of temperature is 670 °C, rear grind into powder dries after the octyl epoxy stearate stirring of the parts by weight is added
It is dry, A material is obtained after crushing；
Step S2, by the Fluorite slag of the parts by weight under the conditions of temperature is 530 °C after calcining 2h, by calcined fluorite ore
It is 30 °C that slag temperature, which is down to temperature, then impregnates 2h in the sodium hydroxide solution that mass concentration is 16%, is eluted with water, and is dried
Grinds afterwards obtain B material；
Discarded calcium silicate board with microporous, the corundum of the parts by weight are broken into the particle that partial size is 3mm, expected with B obtained by step S2 by step S3
It is put into after mixing in the calcining furnace that temperature is 1100 °C and calcines 13min, C material is obtained after crushing；
Step S4, by the modified nano concave good soil of the parts by weight, glass microballoon, modified haydite, lime, carborundum powder, three
Al 2 O puts into ball milling 27min in ball mill, and C pellet obtained by the material of A obtained by step S1, step S3 is added and grinds 1.2h, crosses 190 mesh
Sieve obtains D material；
The waterglass, aluminum phosphate, sodium carboxymethylcellulose of the parts by weight are added in the material of D obtained by step S4, are formed by step S5
Mixture forms slurry input ageing library ageing, during forming slurry, the weight of mixture and water after adding water stirring
It is then warm indoors than for 7:1, in ageing process, first temperature is 16 °C, air humidity is aged 12h under the conditions of being 87% indoors
Degree is 24 °C, air humidity is aged 20h under the conditions of being 94%；
Step S6 does the slurry investment brickmaking machine after ageing by squeezing and being cut into adobe in the drying chamber
Dry, drying process is divided to two sections of progress, and first segment dry 16h under the conditions of temperature is 25 °C, second segment is 110 °C of conditions in temperature
Lower drying for 24 hours, is then sintered 4h under the conditions of temperature is 1500 °C, obtains the refractory, hollow brick containing Fluorite slag.
Experimental example
To the resulting refractory, hollow brick containing Fluorite slag of 1 ~ 3 preparation method of the embodiment of the present invention and commercially available refractory, hollow brick
It is tested, refractoriness is measured according to GB/T7322-2007, GB/T2542-2003 measures compression strength, GB/T10297-2015
Thermal coefficient is measured, GB/T8488-2008 measures corrosion resistant erosion degree, as a result as follows:
The performance of 1 embodiment of the present invention of table 1 ~ 3 the gained refractory, hollow brick containing Fluorite slag and commercially available refractory, hollow brick
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Commercially available iron-base powder metallurgy material |
| Compression strength MPa | 8.2 | 9.5 | 8.0 | 7.8 |
| Refractoriness °C | 1628 | 1774 | 1665 | 1590 |
| %(80 °C of compression strength retention rate after corrosion, 20% sulfuric acid impregnate 7d) | 95 | 97 | 96 | 93 |
| Thermal coefficient W/ (mK) | 0.101 | 0.092 | 0.096 | 0.118 |
From upper table 1 it is known that the refractoriness of the refractory, hollow brick produced by the present invention containing Fluorite slag with it is commercially available resistance to
The refractoriness of fiery hollow brick is compared, the refractoriness height of the refractory, hollow brick produced by the present invention containing Fluorite slag, compression strength
Height, thermal coefficient is low, and 80 °C, compression strength retention rate is high after 20% sulfuric acid impregnates 7d corrosion, market application prospect is more preferable.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of refractory, hollow brick containing Fluorite slag, characterized in that prepare the refractory, hollow brick containing Fluorite slag
Raw material and its parts by weight are as follows: 20 parts ~ 30 parts of Fluorite slag, 10 parts ~ 15 parts of lime, 6 parts ~ 8 parts of volcanic rock powder, modified Nano is recessed
Convex 5 parts ~ 8 parts of stick soil, discarded 36 parts ~ 50 parts of calcium silicate board with microporous, 3 parts ~ 6 parts of titanium dioxide powder, 1 part ~ 4 parts of ferrochrome ground-slag, calcium bicarbonate
0.5 part ~ 1 part, 5 parts ~ 9 parts of carborundum powder, 24 parts ~ 34 parts of aluminum oxide, 9 parts ~ 13 parts of corundum, 11 parts ~ 15 parts of white mica powder,
2 parts ~ 5 parts of glass microballoon, 1.6 parts ~ 1.9 parts of sodium carboxymethylcellulose, 1 part ~ 3 parts of waterglass, octyl epoxy stearate 5 parts ~ 7
Part, modified 20 parts ~ 22 parts of haydite, 4 parts ~ 7 parts of aluminum phosphate.
2. as described in claim 1 containing the refractory, hollow brick of Fluorite slag, characterized in that the modified nano concave good soil
The preparation method comprises the following steps: dried after being washed with water by attapulgite with 10% salt acid soak 1h, the ethylene of attapulgite weight 5% is added
It is dried after the stirring of ethyl triethoxy silicane alkane, grind into powder obtains the modified nano concave good soil.
3. as described in claim 1 containing the refractory, hollow brick of Fluorite slag, characterized in that the preparation side of the modified haydite
Method are as follows: it is that 20min ~ 30min is kept the temperature in 40 °C ~ 50 °C pretreatment fluids that haydite, which is placed in temperature, obtains the modified haydite.
4. as claimed in claim 3 containing the refractory, hollow brick of Fluorite slag, characterized in that the raw material of the pretreatment fluid and
Its mass percent part are as follows: Tea Saponin 1% ~ 2%, citric acid 0.3% ~ 0.5%, water-soluble salicylic acid 0.8% ~ 1%, remaining is water.
5. a kind of preparation method of the refractory, hollow brick containing Fluorite slag as described in any one of claim 1 ~ 4, special
Sign is that preparation step is as follows:
Step S1, after the volcanic rock powder of the parts by weight, white mica powder, titanium dioxide powder, ferrochrome ground-slag, calcium bicarbonate are mixed
2h, rear grind into powder are calcined under the conditions of temperature is 600 °C ~ 700 °C, the octyl epoxy stearate that the parts by weight are added stirs
It is dried after mixing, A material is obtained after crushing；
Step S2, by the Fluorite slag of the parts by weight temperature be 530 °C under the conditions of calcining 2h after, be then in mass concentration
It after being impregnated in 10% ~ 20% sodium hydroxide solution, is eluted with water, grinds after drying, obtains B material；
Discarded calcium silicate board with microporous, the corundum of the parts by weight are broken into the particle that partial size is 2mm ~ 4mm, with step S2 institute by step S3
It is put into calcining 10min ~ 16min in the calcining furnace that temperature is 1000 °C ~ 1100 °C after obtaining B material mixing, C material is obtained after crushing；
Step S4, by the modified nano concave good soil of the parts by weight, glass microballoon, modified haydite, lime, carborundum powder, three
Al 2 O puts into ball milling 20min ~ 30min in ball mill, and C pellet obtained by the material of A obtained by step S1, step S3 is added and grinds 1h ~ 2h,
It crosses 180 meshes ~ 200 meshes and obtains D material；
The waterglass, aluminum phosphate, sodium carboxymethylcellulose of the parts by weight are added in the material of D obtained by step S4, are formed by step S5
Mixture forms slurry input ageing library ageing after adding water stirring；
Step S6 does the slurry investment brickmaking machine after ageing by squeezing and being cut into adobe in the drying chamber
It is dry, it is then sintered under the conditions of temperature is 1450 °C ~ 1550 °C, obtains the refractory, hollow brick containing Fluorite slag.
6. the preparation method of the refractory, hollow brick containing Fluorite slag as claimed in claim 5, characterized in that in step S2,
In the soaking process, it is 20 °C ~ 40 °C immersion 1h ~ 2h that calcined Fluorite slag temperature, which is down to temperature,.
7. the preparation method of the refractory, hollow brick containing Fluorite slag as claimed in claim 5, characterized in that in step S5,
During the formation slurry, the weight ratio of mixture and water is 6 ~ 8:1.
8. the preparation method of the refractory, hollow brick containing Fluorite slag as claimed in claim 5, characterized in that in step S5,
In the ageing process, it is aged 10h ~ 15h under the conditions of first temperature is 15 °C ~ 18 °C, air humidity is 85% ~ 90% indoors, so
Temperature is 22 °C ~ 25 °C indoors afterwards, air humidity is aged 20h under the conditions of being 90% ~ 95%.
9. the preparation method of the refractory, hollow brick containing Fluorite slag as claimed in claim 5, characterized in that in step S6,
The drying process is divided to two sections of progress, and first segment dry 10h ~ 20h under the conditions of temperature is 20 °C ~ 30 °C, second segment is in temperature
Dry 20h ~ 30h under the conditions of being 100 °C ~ 120 °C.
10. the preparation method of the refractory, hollow brick containing Fluorite slag as claimed in claim 5, characterized in that in step S6,
The sintering time is 3h ~ 6h.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113429168A (en) * | 2021-08-02 | 2021-09-24 | 鄂尔多斯市紫荆创新研究院 | Water permeable brick containing coarse gasification slag and preparation method thereof |
| CN115028463A (en) * | 2022-05-23 | 2022-09-09 | 中钢洛耐(洛阳)新材料有限公司 | Processing technology of refractory brick with low thermal conductivity |
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| SU910555A1 (en) * | 1980-07-21 | 1982-03-07 | Государственный Красноярский Филиал Всесоюзного Научно-Исследовательского Института Строительных Материалов И Конструкций Им. П.П.Будникова | Ceramic composition for making brick |
| CN102875186A (en) * | 2012-08-25 | 2013-01-16 | 马鞍山豹龙新型建材有限公司 | Fluorite slag aerated brick and preparation method thereof |
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| CN107188471A (en) * | 2017-06-22 | 2017-09-22 | 合肥易美特建材有限公司 | A kind of environmental-friendly hollow brick for building and preparation method thereof |
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| JPS56169176A (en) * | 1980-05-29 | 1981-12-25 | Sumitomo Metal Ind | Non-baked lime carbonaceous refractory brick |
| SU910555A1 (en) * | 1980-07-21 | 1982-03-07 | Государственный Красноярский Филиал Всесоюзного Научно-Исследовательского Института Строительных Материалов И Конструкций Им. П.П.Будникова | Ceramic composition for making brick |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113429168A (en) * | 2021-08-02 | 2021-09-24 | 鄂尔多斯市紫荆创新研究院 | Water permeable brick containing coarse gasification slag and preparation method thereof |
| CN115028463A (en) * | 2022-05-23 | 2022-09-09 | 中钢洛耐(洛阳)新材料有限公司 | Processing technology of refractory brick with low thermal conductivity |
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Application publication date: 20190712 |