CN105236932B - A kind of preparation method of light-weight insulating brick - Google Patents
A kind of preparation method of light-weight insulating brick Download PDFInfo
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- CN105236932B CN105236932B CN201510533504.4A CN201510533504A CN105236932B CN 105236932 B CN105236932 B CN 105236932B CN 201510533504 A CN201510533504 A CN 201510533504A CN 105236932 B CN105236932 B CN 105236932B
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- 239000011449 brick Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000000758 substrate Substances 0.000 claims abstract description 96
- 239000003818 cinder Substances 0.000 claims abstract description 40
- 239000002994 raw material Substances 0.000 claims abstract description 27
- 239000002893 slag Substances 0.000 claims abstract description 25
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 19
- 229910052656 albite Inorganic materials 0.000 claims abstract description 16
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000005498 polishing Methods 0.000 claims abstract description 13
- 238000000498 ball milling Methods 0.000 claims abstract description 11
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 238000007493 shaping process Methods 0.000 claims abstract description 9
- 239000000843 powder Substances 0.000 claims description 31
- 238000010792 warming Methods 0.000 claims description 23
- 238000007688 edging Methods 0.000 claims description 15
- 238000002791 soaking Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 239000003245 coal Substances 0.000 claims description 9
- 238000012805 post-processing Methods 0.000 claims description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical group O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 5
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 4
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 4
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 4
- 235000019832 sodium triphosphate Nutrition 0.000 claims description 4
- 239000010802 sludge Substances 0.000 claims description 2
- 238000010304 firing Methods 0.000 abstract description 23
- 239000010453 quartz Substances 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 6
- 230000006835 compression Effects 0.000 abstract description 6
- 238000004321 preservation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 21
- 239000000047 product Substances 0.000 description 15
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 7
- 239000012774 insulation material Substances 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000004088 foaming agent Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052573 porcelain Inorganic materials 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000197194 Bulla Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 208000002352 blister Diseases 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a kind of preparation method of light-weight insulating brick, including：（1）Raw material is mixed by following formulas, by ball milling, spraying and shaping, base substrate is made：Industrial cinder 50 76%, pug 6 20%, potassium feldspar 4 20%, albite 4 20%, quartz 4 20%, polishing slag 0 15%；（2）Processing is dried in base substrate；（3）Base substrate is carried out to burn till processing；（4）Base substrate after burning till is post-processed, is packaged as finished product.The preparation method step of light-weight insulating brick of the present invention is simple, firing time is short, save the energy, obtained insulating brick quality is hard, proportion is small, the porosity is high, refractory temperature is more than 1000 degree, conventional fire can be resisted easily, thermal conductivity factor is small, compression strength is high, is highly suitable for the heat-insulation and heat-preservation of exterior wall and the heat-insulating sound-insulating insulation of interior.
Description
Technical field
The present invention relates to field of heat insulating materials, more particularly to a kind of heat-insulation and heat-preservation for exterior wall and indoor heat insulation
The preparation method of the light-weight insulating brick of sound insulation.
Background technology
Insulation material of the present invention is mainly used in the heat-insulation and heat-preservation of exterior wall and the heat-insulating sound-insulating insulation of interior, existing
Insulation material mainly have it is following several：
1st, for existing external wall thermal insulation material mainly based on benzene plate, the refractory temperature of benzene plate is 700 degree or so, and
There is no hardness, be similar cotton texture, so its, which is used, there must be other construction materials as rigid support, form composite wood
Material is used.Moreover, the temperature of fire is generally 800-1000 degree, the refractory temperature that 700 degree of benzene plate is insufficiently resistant to fire,
So for fire, it is not the refractory material on practical significance.
2nd, existing interior wall heat-insulating sound-insulating insulation material is mainly based on aerated bricks, also using shale brick, clay
Brick.The shortcomings that aerated bricks are although light, but its is maximum is exactly frangible, intensity deficiency, and is easily in powdery.But consider it
Saving of the lightweight to building cost, be extended use in recent years or constantly, instead of shale brick and clay brick.Shale
Brick, clay brick, intensity is higher, but from great, greatly increases the load-bearing of building, and wall collapses to people in a fire
Secondary damage is larger caused by body, so this kind of partition block is gradually substituted.
3rd, the existing preparation method using industrial cinder light-weight insulating brick, mainly with polished bricks production process
Polishing slag is body material, and supplements extremely least a portion of industrial cinder as supplement raw material（Within 15%）.Meanwhile existing use
The technology of slag light heat insulation material is polished, production cost is high, and sintering process needs 16-24 hour.
Disclosed in Chinese patent CN200510016692.X《Coagulated stone brick and building-block》, its raw material includes：Solidifying stone 11-
28%th, cinder 26-40%, CHARACTERISTICS OF TAILINGS SAND 32-43%, surplus are water.In this patent, cinder is make use of as raw material, but the dosage of cinder
It is less, not as bulk, and using solidifying masonry as binding agent, fragment of brick is made using gluing process.
Disclosed in Chinese patent CN200910016194.3《Coal residue powder environment-friendly brick》, " take 60-70% cinder powder to decide
Material, makees flocculating agent with 20-30%300# cement, with 10% 100 mesh normal sands masonry auxiliary materials, three kinds of raw materials is mixed equal
After even, addition can make brick raw material pinch pockets of water with hand, and feedstock delivery to extrusion shaping machine then is made into adobe, shaping
Adobe afterwards is put into 20 DEG C~30 DEG C of environment temperature, 65 ± 20%rh of relative humidity is dried in canopy, avoids being exposed to the sun, and spontaneously dries 48
Can be finished product more than hour." this patent is a kind of coal residue powder environment-friendly brick, although the addition of cinder is also larger, it without
Cross and burn till, simply bonded by the use of cement as a kind of binding agent.
Chinese patent CN201410137770.0《A kind of low thermal conductivity thermal insulation ceramicses brick and preparation method thereof》, cinder is
A kind of raw material therein, addition is less, only 8-14%, and its firing process is：5-10 DEG C/min speed is warming up to
820-860 DEG C, be incubated 0.5-1h, then 1220-1280 DEG C be warming up to 8-12 DEG C/min speed, be incubated 1.5-2h, then with
10-15 DEG C/min speed is cooled to 740-780 DEG C, is incubated 1-1.5h, then be warming up to 1060- with 5-10 DEG C/min speed
1120 DEG C, 1-2h is incubated, is cooled to normal temperature.The firing process of the patent is complex, total firing time about 10 hours, takes
It is long.
The content of the invention
The technical problems to be solved by the invention are, there is provided a kind of preparation method of light-weight insulating brick, step is simple, burns
It is short into the time, the energy is saved, obtained insulating brick performance is good.
To reach above-mentioned technique effect, the invention provides a kind of preparation method of light-weight insulating brick, including：
（1）Raw material is mixed by following formulas, by ball milling, spraying and shaping, base substrate is made：
Industrial cinder 50-76%
Pug 6-20%
Potassium feldspar 4-20%
Albite 4-20%
Quartzy 4-20%
Polish slag 0-15%；
（2）Processing is dried in base substrate；
（3）Base substrate burn till processing, it is described to burn till processing and include：
Refractory support is added below base substrate, at least one layer of high temperature powder is spread between the base substrate and refractory support；
Base substrate is warming up to 800 DEG C from normal temperature, heating-up time t1；
Base substrate is to slowly warm up to 1000 DEG C from 800 DEG C, heating-up time t240-90min, and in 1000 DEG C of temperature
Under the conditions of be incubated, soaking time t320-30min；
Base substrate is warming up to temperature T, heating-up time t from 1000 DEG C4, wherein, the temperature T is 1150-1250 DEG C；
Normal temperature, temperature fall time t are naturally cooling to from temperature T5；
The t1 、t2 、t3、 t4 、t5Time overall length be 4-7 h；
（4）Base substrate after burning till is post-processed, is packaged as finished product.
As the improvement of such scheme, the t1For 20-60min, t4For 40-80min, t5For 2-4h.
As the improvement of such scheme, the t1 、t2 、t3、 t4 、t5Time overall length be 4-6 h.
As the improvement of such scheme, the high temperature powder is aluminum oxide or silica.
As the improvement of such scheme, it is described be shaped to it is compressing；
When base substrate using it is compressing when, the post processing includes polishing and edging and handled.
It is described to be shaped to the shaping of heap powder as the improvement of such scheme；
When base substrate is molded using heap powder, the post processing includes cutting into plate processing and edging processing.
As the improvement of such scheme, the base substrate is made up of following primary raw material：
Industrial cinder 60-76%
Pug 8-20%
Potassium feldspar 5-20%
Albite 5-20%
Quartzy 5-20%
Polish slag 0.1-15%.
As the improvement of such scheme, the raw material of the base substrate also includes：Auxiliary material 3-10%,
The auxiliary material is carboxymethyl cellulose, one kind in sodium tripolyphosphate or combination.
As the improvement of such scheme, the industrial cinder includes power plant cinder, heat supply cinder, coal and turns bottle coal slag.
As the improvement of such scheme, the proportion of the light-weight insulating brick is 0.2-0.8,1000 DEG C of refractory temperature ＞, is led
Hot coefficient is 0.04~0.10W/ (m.k).
Implement the present invention to have the advantages that：
First, formula of the invention is industrial cinder 50-76%, pug 6-20%, potassium feldspar 4-20%, albite 4-20%, stone
English 4-20%, polishing slag 0-15%.For the present invention using industrial cinder as formula main body, addition is more than 50%, while such cinder
Characteristic is all imperfect combustion, and the carbon that inside is contained is the foaming agent in sintering process again, and caused bubble is by single respectively
Solely it is enclosed in inside base substrate, forms the stomata of single hole closing, air can not forms convection current inside base substrate, and heat is inside base substrate
Heat exchange can not be formed, and has the function that insulation, sound insulation, heat-insulated.The present invention coordinates on the basis of industrial cinder adds potassium
Feldspar 4-20%, albite 4-20%, can adjust the surface tension being formulated during high temperature, and closed air bubbles are caused micro- to ensure
Minute bubbles will not penetrate spilling, also will not assemble to form bulla；Pug 6-20% is added, improves the plasticity of base substrate, ensures formula
The hardness of powder；Quartzy 4-20% is added, glass item is formed in high temperature, adjusts the hardness and fragility of final products, ensures resistance to compression
Intensity；Polishing slag 0-15% is added, for adjusting the porosity and pore opening.
2nd, because the present invention uses above-mentioned special formulation, therefore, insulating brick of the present invention can both use briquetting process
To be molded, it can also be molded using heap powder forming method, preparation process can have multiple choices, applied widely.
3rd, firing process of the invention is simple, it is thus only necessary to controlled for the second temperature rise period as slow heating, other heatings
Stage can use normal programming rate, because the second temperature rise period was process caused by gas, and the porcelainization of base substrate needs
The time is wanted, if gas has produced, and base substrate does not complete porcelain also, then bubble will overflow base substrate, it is impossible to form porous knot
Structure.If heating is too fast, inside generation gas pressure is excessive, easily produces gas overflowing and penetrates, and it is independent to form closing
Stomata, the finished product produced just do not reach it is heat-insulated, insulation effect.Moreover, the whole firing time control of the present invention exists
4-7 hours, compared with existing firing process, greatly simplify and burn till step, save firing time.
To sum up, the preparation method step of light-weight insulating brick of the present invention is simple, and firing time is short, saves the energy, obtained guarantor
Warm brick quality is hard, proportion is small, the porosity is high, refractory temperature more than 1000 degree, conventional fire, thermal conductivity factor can be resisted easily
It is small, compression strength is high, be highly suitable for exterior wall heat-insulation and heat-preservation and interior heat-insulating sound-insulating insulation.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the preparation method of light-weight insulating brick of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the drawings and specific embodiments pair
The present invention is described in further detail.
As shown in figure 1, the invention provides a kind of preparation method of light-weight insulating brick, including：
S101, by following formulas raw material mixed, by ball milling, spraying and shaping, base substrate is made：
Industrial cinder 50-76%
Pug 6-20%
Potassium feldspar 4-20%
Albite 4-20%
Quartzy 4-20%
Polish slag 0-15%；
Wherein, ball milling, the prior art of spraying reference preparing ceramic tile, and it may be either compressing to be molded, or
Heap powder is molded.When base substrate using it is compressing when, the post processing includes polishing and edging and handled.When base substrate uses heap powder
During shaping, the post processing includes cutting into plate processing and edging processing.
Industrial cinder is formula main body, and addition is more than 50%.The industrial cinder includes power plant cinder, heat supply coal
Slag, coal turn bottle coal slag, and the characteristic of such cinder is all imperfect combustion, and the carbon that inside is contained can form gas in warm sintering process
Bubble, therefore industrial cinder is the foaming agent in sintering process again, because production process can be controlled to the high temperature viscosity of base substrate,
Bubble is individually enclosed in inside base substrate caused by industrial cinder, forms the stomata of single hole closing, air is in base substrate
Portion can not form convection current, and heat can not form heat exchange inside base substrate, and have the function that insulation, sound insulation, heat-insulated.While by
In the present invention raw material be in 1200 degree or so the ceramic materials burnt out, so more than 1000 degree of fire resisting can be reached
Temperature.
The present invention coordinates on the basis of industrial cinder adds potassium feldspar 4-20%, albite 4-20%, can adjust high temperature
Shi Peifang surface tension, closed air bubbles, to ensure that caused micro-bubble will not penetrate spilling, it will not also assemble to be formed greatly
Bubble；
Pug 6-20% is added, improves the plasticity of base substrate, ensures the hardness of formula powder, ensures powder in forming process
In adhesive property, specifically, the pug can be black mud or sludge；
Quartzy 4-20% is added, glass item is formed in high temperature, adjusts the hardness and fragility of final products, ensures pressure resistance
Degree；
Polishing slag 0-15% is added, for adjusting the porosity and pore opening, the polishing slag can add, can also not
Add, its addition is determined by the performance requirement of product.The main foaming agent of the present invention is carbon contained in cinder,
And foaming agent of the slag for auxiliary is polished, when needing a greater amount of foaming effects, finished product proportion more hour, suitably can add on demand
Add polishing slag.It should be noted that polishing slag is waste residue caused by polishing process in polished bricks production process, main component
For carborundum, resin and the adobe waste residue thrown.
It should be noted that the % in composition of raw materials of the present invention refers to percentage by weight.
Preferably, the light-weight brick is made up of following primary raw material：
Industrial cinder 60-76%
Pug 8-20%
Potassium feldspar 5-20%
Albite 5-20%
Quartzy 5-20%
Polish slag 0.1-15%.
More preferably, the raw material of the light-weight brick also includes：Auxiliary material 3-10%, the auxiliary material be carboxymethyl cellulose,
One kind or combination in sodium tripolyphosphate, it is mainly used in adjusting slurry fluidity, suspension.
S102, processing is dried in base substrate.
S103, base substrate burn till to processing, it is described to burn till processing and include：
（1）Refractory support is added below base substrate, at least one layer of high temperature powder is spread between the base substrate and refractory support；
The high temperature powder is aluminum oxide or silica.The present invention needs to add refractory support below base substrate and in base
At least one layer of high temperature powder is spread between body and refractory support, is in because the whole complete vitreous of base substrate and expansion, during high temperature
The liquid of melting, it is impossible to directly enter roller kiln burning into, therefore need under base substrate plus refractory support carry out pad burning；Will between backing plate and base substrate
The high temperature powders such as uniform cloth one layer of aluminum oxide, silica, to facilitate the separation between the product after burning till and backing plate.
（2）, base substrate is warming up to 800 DEG C from normal temperature, heating-up time t1；
Base substrate is warming up to 800 DEG C from normal temperature, this stage was the first temperature rise period, was required without special programming rate,
As long as normal heating, the heating-up time is t1, t1About 20-60min.
（3）, base substrate is to slowly warm up to 1000 DEG C from 800 DEG C, heating-up time t240-90min, and in temperature 1000
It is incubated under conditions of DEG C, soaking time t320-30min；
Heating-up time t2With soaking time t3Time overall length be 60-120min.This stage be the second temperature rise period, it is necessary to
Slow heating, because this stage is process caused by gas, and the porcelain of base substrate needs the time, if gas has produced, and
Base substrate does not complete porcelain also, then bubble will overflow base substrate, it is impossible to form loose structure.If heating is too fast, inside produces gas
Body pressure is excessive, easily produces gas overflowing and penetrates, it is impossible to is formed and closes independent stomata, the material produced just does not reach
Heat-insulated, insulation effect.
Preferably, base substrate is to slowly warm up to 1000 DEG C from 800 DEG C, heating-up time t2For 40-60min, and in temperature
It is incubated under conditions of 1000 DEG C, soaking time t3For 20-30min.
（4）, base substrate is warming up to temperature T, heating-up time t from 1000 DEG C4, wherein, the temperature T is 1150-1250
℃；
Base substrate is warming up to temperature T, heating-up time t from 1000 DEG C4, this stage was the 3rd temperature rise period, without special
Programming rate requirement, as long as normal heating, heating-up time t4For 40-80min.Wherein, temperature T burns till for the present invention
Maximum temperature, the temperature T be 1150-1250 DEG C.
（5）, normal temperature, temperature fall time t are naturally cooling to from temperature T5；
Normal temperature, temperature fall time t are naturally cooling to from temperature T5, temperature fall time t5About 2-4 hours.
The overall firing period of the present invention is 4-7 hours, i.e., described t1 、t2 、t3、 t4 、t5Time overall length for 4-7 it is small
When.Preferably, overall firing period of the invention is 4-6 hours, i.e., described t1 、t2 、t3、 t4 、t5Time overall length be 4-6
Hour.
In sintering process, soaking time of the invention is short（As long as 20-30 minutes）, holding temperature point is low（Less than 1000
Degree Celsius）, the energy is saved, simple the step of whole firing process, firing time is short, saves the energy.
S104, the base substrate after burning till post-processed, be packaged as finished product.
The post processing generally comprises polishing, cutting, edging etc., and it coordinates moulding process to make appropriate adjustment.Specifically
, when base substrate using it is compressing when, the post processing includes polishing and edging and handled；When base substrate is molded using heap powder
When, the post processing includes cutting into plate processing and edging processing.
The present invention uses above-mentioned special formulation, by above-mentioned specific firing process, can simplify the preparation of insulating brick
Journey, and the proportion of the preparation method of obtained light-weight insulating brick is 0.2-0.8,1000 DEG C of refractory temperature ＞, thermal conductivity factor is
0.04~0.10W/ (m.k), compression strength 1.0-6.5MPa.
The present invention is further elaborated with specific embodiment below
Embodiment 1
Raw material is mixed by proportioning, is formulated and is：Industrial cinder 60%, pug 20%, potassium feldspar 4%, albite 4%, quartz 4%,
Polish slag 8%；Then by ball milling, spraying, it is compressing, dry, burn till, polish, edging, be finally packaged into finished product；
Wherein, burning till step includes：
（1）Refractory support is added below base substrate, it is high that at least one layer of aluminum oxide is spread between the base substrate and refractory support
Warm powder；
（2）Base substrate is warming up to 800 DEG C from normal temperature, heating-up time t1=20min；
（3）Base substrate is to slowly warm up to 1000 DEG C from 800 DEG C, heating-up time t2=40min, and in 1000 DEG C of temperature
Under the conditions of be incubated, soaking time t3=20min；
（4）Base substrate is warming up to temperature T from 1000 DEG C, wherein, the temperature T is 1150 DEG C, heating-up time t4=
40min；
（5）Normal temperature, temperature fall time t are naturally cooling to from temperature T5=2 hours；
Overall firing period is 4h.
Embodiment 2
Raw material is mixed by proportioning, is formulated and is：Industrial cinder 65%, pug 10%, potassium feldspar 5%, albite 5%, quartz 5%,
Polish slag 10%；
By ball milling, spraying, it is compressing, dry, burn till, polish, edging, be finally packaged into finished product.
Wherein, burning till step includes：
（1）Refractory support is added below base substrate, at least one layer of silica is spread between the base substrate and refractory support
High temperature powder；
（2）Base substrate is warming up to 800 DEG C from normal temperature, heating-up time t1=30min；
（3）Base substrate is to slowly warm up to 1000 DEG C from 800 DEG C, heating-up time t2=50min, and in 1000 DEG C of temperature
Under the conditions of be incubated, soaking time t3=25min；
（4）Base substrate is warming up to temperature T from 1000 DEG C, wherein, the temperature T is 1200 DEG C, heating-up time t4=
50min；
（5）Normal temperature, temperature fall time t are naturally cooling to from temperature T535 minutes=2 hours；
Overall firing period is 5h.
Embodiment 3
Raw material is mixed by proportioning, is formulated and is：Industrial cinder 70%, pug 6%, potassium feldspar 6%, albite 6%, quartz 6%,
Polish slag 6%；
By ball milling, spraying, it is compressing, dry, burn till, polish, edging, be finally packaged into finished product.
Wherein, burning till step includes：
（1）Refractory support is added below base substrate, it is high that at least one layer of aluminum oxide is spread between the base substrate and refractory support
Warm powder；
（2）Base substrate is warming up to 800 DEG C from normal temperature, heating-up time t1=40min；
（3）Base substrate is to slowly warm up to 1000 DEG C from 800 DEG C, heating-up time t2=60min, and in 1000 DEG C of temperature
Under the conditions of be incubated, soaking time t3=30min；
（4）Base substrate is warming up to temperature T from 1000 DEG C, wherein, the temperature T is 1180 DEG C, heating-up time t4=
50min；
（5）Normal temperature, temperature fall time t are naturally cooling to from temperature T5=3 hours；
Overall firing period is 6h.
Embodiment 4
Raw material is mixed by proportioning, is formulated and is：Industrial cinder 76%, pug 6%, potassium feldspar 10%, albite 4%, quartz 4%；
It is molded by ball milling, spraying, heap powder, dries, burns till, cuts into plate, edging, is finally packaged into finished product.
Wherein, burning till step includes：
（1）Refractory support is added below base substrate, at least one layer of silica is spread between the base substrate and refractory support
High temperature powder；
（2）Base substrate is warming up to 800 DEG C from normal temperature, heating-up time t1=50min；
（3）Base substrate is to slowly warm up to 1000 DEG C from 800 DEG C, heating-up time t2=40min, and in 1000 DEG C of temperature
Under the conditions of be incubated, soaking time t3=30min；
（4）Base substrate is warming up to temperature T from 1000 DEG C, wherein, the temperature T is 1160 DEG C, heating-up time t4=
60min；
（5）Normal temperature, temperature fall time t are naturally cooling to from temperature T5=2 hours；
Overall firing period is 5 h.
Embodiment 5
Raw material is mixed by proportioning, is formulated and is：Industrial cinder 50%, pug 10%, potassium feldspar 10%, albite 10%, quartz
10%th, slag 10% is polished；
It is molded by ball milling, spraying, heap powder, dries, burns till, cuts into plate, edging, is finally packaged into finished product.
Wherein, burning till step includes：
（1）Refractory support is added below base substrate, it is high that at least one layer of aluminum oxide is spread between the base substrate and refractory support
Warm powder；
（2）Base substrate is warming up to 800 DEG C from normal temperature, heating-up time t1=60min；
（3）Base substrate is to slowly warm up to 1000 DEG C from 800 DEG C, heating-up time t2=50min, and in 1000 DEG C of temperature
Under the conditions of be incubated, soaking time t3=20min；
（4）Base substrate is warming up to temperature T from 1000 DEG C, wherein, the temperature T is 1220 DEG C, heating-up time t4=
60min；
（5）Normal temperature, temperature fall time t are naturally cooling to from temperature T5=3 hours；
Overall firing period is 10 minutes 6 hours.
Embodiment 6
Raw material is mixed by proportioning, is formulated and is：Industrial cinder 62%, pug 10%, potassium feldspar 10%, albite 10%, quartz
4%th, slag 1%, carboxymethyl cellulose 2%, sodium tripolyphosphate 1% are polished；
It is molded by ball milling, spraying, heap powder, dries, burns till, cuts into plate, edging, is finally packaged into finished product.
Wherein, burning till step includes：
（1）Refractory support is added below base substrate, at least one layer of silica is spread between the base substrate and refractory support
High temperature powder；
（2）Base substrate is warming up to 800 DEG C from normal temperature, heating-up time t1=25min；
（3）Base substrate is to slowly warm up to 1000 DEG C from 800 DEG C, heating-up time t2=45min, and in 1000 DEG C of temperature
Under the conditions of be incubated, soaking time t3=25min；
（4）Base substrate is warming up to temperature T from 1000 DEG C, wherein, the temperature T is 1250 DEG C, heating-up time t4=
65min；
（5）Normal temperature, temperature fall time t are naturally cooling to from temperature T520 minutes=3 hours；
Overall firing period is 6 h.
Light-weight insulating brick made from embodiment 1-6 is done into technology for detection, it is as a result as follows：
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| Proportion | 0.2 | 0.3 | 0.6 | 0.4 | 0.3 | 0.5 |
| Refractory temperature | 1050℃ | 1180℃ | 1120℃ | 1070℃ | 1020℃ | 1153℃ |
| Thermal conductivity factor | 0.08W/(m.k) | 0.06W/(m.k) | 0.10W/(m.k) | 0.07W/(m.k) | 0.04W/(m.k) | 0.05W/(m.k) |
| Compression strength | 5.55MPa | 5.60MPa | 5.45MPa | 5.70MPa | 5.80MPa | 5.85MPa |
| Overall firing period | 4 hours | 5 hours | 6 hours | 5 hours | 10 minutes 6 hours | 6 hours |
To sum up, the preparation method quality of light-weight insulating brick produced by the present invention is hard, proportion is small, the porosity is high, fire resisting temperature
Degree more than 1000 degree, conventional fire can be resisted easily, thermal conductivity factor is small, compression strength is high, be highly suitable for exterior wall every
Heat insulation and the heat-insulating sound-insulating insulation of interior.Moreover, the present invention recycles well using industrial cinder as formula main body
Waste resource, firing process is simple, and firing time is short, saves the energy, the technique of whole preparation process is simple, and condition is controllable.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
- A kind of 1. preparation method of light-weight insulating brick, it is characterised in that including：（1）Raw material is mixed by following formulas, by ball milling, spraying and shaping, base substrate is made：Industrial cinder 60-76%Pug 6-20%Potassium feldspar 4-20%Albite 4-20%Quartzy 4-20%Polish slag 0.1-15%；（2）Processing is dried in base substrate；（3）Base substrate burn till processing, it is described to burn till processing and include：Refractory support is added below base substrate, at least one layer of high temperature powder is spread between the base substrate and refractory support；Base substrate is warming up to 800 DEG C from normal temperature, heating-up time t1；Base substrate is to slowly warm up to 1000 DEG C from 800 DEG C, heating-up time t240-90min, and under conditions of 1000 DEG C of temperature Insulation, soaking time t320-30min；Base substrate is warming up to temperature T, heating-up time t from 1000 DEG C4, wherein, the temperature T is 1150-1250 DEG C；Normal temperature, temperature fall time t are naturally cooling to from temperature T5；The t1 、t2 、t3、 t4 、t5Time overall length be 4-7 h；（4）Base substrate after burning till is post-processed, is packaged as finished product；The industrial cinder includes power plant cinder, heat supply cinder, coal and turns bottle coal slag；The high temperature powder is aluminum oxide or silica；The pug is black mud or sludge；% in above-mentioned raw materials formula refers to percentage by weight.
- 2. the preparation method of light-weight insulating brick as claimed in claim 1, it is characterised in that the t1For 20-60min, t4For 40-80min, t5For 2-4h.
- 3. the preparation method of light-weight insulating brick as claimed in claim 2, it is characterised in that the t1 、t2 、t3、 t4 、t5's Time overall length is 4-6 h.
- 4. the preparation method of light-weight insulating brick as claimed in claim 1, it is characterised in that it is described be shaped to it is compressing；When base substrate using it is compressing when, the post processing includes polishing and edging and handled.
- 5. the preparation method of light-weight insulating brick as claimed in claim 1, it is characterised in that described to be shaped to the shaping of heap powder；When base substrate is molded using heap powder, the post processing includes cutting into plate processing and edging processing.
- 6. the preparation method of the light-weight insulating brick as described in claim any one of 1-5, it is characterised in that the base substrate is by following Raw material is made：Industrial cinder 60-76%Pug 8-20%Potassium feldspar 5-20%Albite 5-20%Quartzy 5-20%Polish slag 0.1-15%；% in above-mentioned raw materials formula refers to percentage by weight.
- 7. the preparation method of light-weight insulating brick as claimed in claim 6, it is characterised in that the raw material of the base substrate also includes： Auxiliary material 3-10%,The auxiliary material is carboxymethyl cellulose, one kind in sodium tripolyphosphate or combination；The raw material weight percentage sum of the base substrate meets 100%.
- 8. the preparation method of light-weight insulating brick as claimed in claim 1, it is characterised in that the proportion of the light-weight insulating brick is 1000 DEG C of 0.2-0.8, refractory temperature ＞, thermal conductivity factor are 0.04~0.10W/ (m.k).
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| CN113478628A (en) * | 2021-07-05 | 2021-10-08 | 自贡新雄风陶瓷制造有限公司 | Preparation device and method of foamed brick |
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|---|---|---|---|---|
| CN1850682A (en) * | 2006-05-31 | 2006-10-25 | 东北大学 | Method for preparing porose glass composite material using iron ore tailings |
| CN101672083A (en) * | 2009-08-14 | 2010-03-17 | 沈正 | Method for producing self-insulation baked brick by using pure coal gangue |
| CN101948298A (en) * | 2010-09-16 | 2011-01-19 | 华南理工大学 | Method for producing ceramic glazed tile from coal slag by double sintering |
| CN104860662A (en) * | 2015-05-04 | 2015-08-26 | 安徽省亚欧陶瓷有限责任公司 | Heat preservation and heat insulation ceramic tile and production method thereof |
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- 2015-08-27 CN CN201510533504.4A patent/CN105236932B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1850682A (en) * | 2006-05-31 | 2006-10-25 | 东北大学 | Method for preparing porose glass composite material using iron ore tailings |
| CN101672083A (en) * | 2009-08-14 | 2010-03-17 | 沈正 | Method for producing self-insulation baked brick by using pure coal gangue |
| CN101948298A (en) * | 2010-09-16 | 2011-01-19 | 华南理工大学 | Method for producing ceramic glazed tile from coal slag by double sintering |
| CN104860662A (en) * | 2015-05-04 | 2015-08-26 | 安徽省亚欧陶瓷有限责任公司 | Heat preservation and heat insulation ceramic tile and production method thereof |
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