CN107285738A - A kind of combined light sound insulation wall brick - Google Patents
A kind of combined light sound insulation wall brick Download PDFInfo
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- CN107285738A CN107285738A CN201710653091.2A CN201710653091A CN107285738A CN 107285738 A CN107285738 A CN 107285738A CN 201710653091 A CN201710653091 A CN 201710653091A CN 107285738 A CN107285738 A CN 107285738A
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- wall brick
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Abstract
It is of the invention that a kind of combined light sound insulation wall brick is provided, fired and formed by steps such as mixing, shaping, firings using flyash, calcium lime powder, feldspar, bitter lime stone, illite, montmorillonite, shepardite chopped fiber, aluminium powder, foaming agent and paper mill sludge.A kind of combined light sound insulation wall brick that the present invention is provided, will be big for environment pollution, and the difficult paper mill sludge of processing, which is added in raw material, is fired into sound insulation wall brick, improve the porosity of wall brick, the use of foaming agent, additive is reduced, the soundproof effect of wall brick is enhanced, reduces the density of wall brick.Meanwhile, the addition of paper mill sludge makes wall brick form certain internal combustion effect when sintering, and reduces the energy consumption in wall brick sintering process, reduces wall brick production cost, solves the problem of environmental pollution of paper mill sludge, energy-conserving and environment-protective, replicability is strong.
Description
Technical field
The present invention relates to environment-friendly function building materials field, and in particular to a kind of combined light sound insulation wall brick.
Background technology
With the development of economy and society, the noise pollution in the present age is increasingly serious, as the various diseases caused by noise and day
It is all to increase, swallow the health of people.Therefore, noise pollution has become dirty after atmosphere pollution, water pollution and solid waste
The fourth-largest pollution in the world after dye, becomes a kind of environmental hazard, the life and work or even body and mind of people is damaged.Together
When, people increasingly focus on personal lifestyle space quality, life privacy, therefore the soundproof effect requirement of building is increasingly improved.
In order to improve the soundproof effect of building, sound panel is usually installed on building masonry wall.But this, which has been resulted in, builds
Walling body thickness increase, cause wall overweight, interior can using area reduce, influence building life-span and use, with after
Composite plate being used soundboard, intensity is small, layering easy to fall off is unfavorable for wall maintenance more.
Paper is the important carrying of human civilization transmission, but paper mill causes very big pollution to environment, and wherein papermaking is dirty
The heavy burden of the pollution processing of mud all the time all as major paper mills.The current processing to paper mill sludge of China is with outdoor
Based on stacking and landfill, the problem of inevitably producing secondary pollution.Abroad, the paper mill sludge in paper mill is handled also always
It is an environmental problem for perplexing government.In recent years, paper mill sludge method for innocent treatment mainly has compost, generating etc., but makes
Paper sludge power generation is invested and running cost is high, and paper mill sludge compost process is very long, whard to control, and fertilizer efficiency is low, it is also possible to draw
Soil pollution is played, it is larger that it promotes difficulty.
The main component of paper mill sludge has cellulose, lignin and its derivative, ink, calcium carbonate, talcum powder, kaolin
And some bacteriums etc., ash content is small, hot combustion value is high.Paper mill sludge as the raw material of sound insulation wall brick, is utilized papermaking dirt by the present invention
The characteristics of plaster point is small, makes to form substantial amounts of cavity in sound insulation wall brick, increases the specific surface area of sound insulation wall brick, reduces sound insulation wall brick
Quality, strengthen sound insulation wall brick sound-absorbing effect.Meanwhile, the hot combustion value of paper mill sludge is high, can in sound insulation wall brick sintering process
Save fuel needed for wall brick sintering.
The content of the invention
For prior art, the invention provides a kind of combined light sound insulation wall brick, papermaking is added in aggregate dirty
Mud, obtains the combined light sound insulation wall brick of a kind of sound insulation, good heat-insulation effect, energy-conserving and environment-protective, is made while solving paper mill sludge
Into problem of environmental pollution.
A kind of combined light sound insulation wall brick described in the invention, mainly by by weight following raw material prepare and
Into：
25 ~ 30 parts of flyash
10 ~ 15 parts of calcium lime powder
15 ~ 20 parts of feldspar
Bitter 10 ~ 15 parts of lime stone
15 ~ 20 parts of illite
0 ~ 25 part of montmorillonite 2
15 ~ 20 parts of paper mill sludge
5 ~ 10 parts of shepardite chopped fiber
5 ~ 8 parts of aluminium powder
1 ~ 3 part of foaming agent；
The paper mill sludge is the mud that the water content that alkali recovery white slime or deinked sludge are obtained after filtering is 40% ~ 60%
Slurry；The feldspar is that the mass ratio of albite and potassium feldspar in the compound of trachyte or albite and potassium feldspar, compound is：
2.5~4:7.5~6。
Further, the feldspar, bitter lime stone, illite, montmorillonite, the particle diameter of flyash are：0.1~1mm.
Further, the particle diameter of the aluminium powder is 0.05 ~ 0.5mm.
Further, the foaming agent is the one or more in carbon black, carborundum, magnesite, potassium carbonate, potassium nitrate.
In acoustic brick sintering procedure, clay is according to the difference of soil property, and its mass loss is about 10 ~ 15%, and paper mill sludge
Because containing combustibles such as a large amount of celluloses, lignin, biomass, organic matters, its mass loss can reach more than 90%.Therefore,
With the addition of the sound insulation wall brick of paper mill sludge can form substantial amounts of hole in sintering procedure, and the sound insulation, effect of heat insulation to wall brick have
Preferable improvement.Simultaneously because in paper mill sludge combustible can combustion value it is high, it is flammable in paper mill sludge in sintering process
Thing burns, and forms certain internal combustion effect, and supplement wall brick fires the heat needed, reduces and fire fuel, saves the energy.
Meanwhile, the additive such as talcum powder, ink, carbon dust for being added in paper-making process makes in paper mill sludge also containing a certain amount of
The additive such as talcum powder, ink, carbon dust.Paper mill sludge is added in sound insulation wall brick as raw material, is reduced in sound insulation wall brick
The addition of talcum powder, carbon dust etc., even without other additives are additionally added again, reaches and preferably fires effect.Its combustible
The space that burning is formed decreases the use of foaming agent.
Shepardite chopped fiber has good alkali resistance, has good compatibility and bond strength with silicate, can
To strengthen the intensity of wall brick, the service life of wall brick is improved.
Sound insulation wall brick of the present invention is prepared by following steps：
（1）Mix：By feldspar, bitter lime stone, illite, montmorillonite, shepardite chopped fiber, foaming agent ball mill dry grinding 45
~ 60min, obtains well mixed aggregate, the papermaking solid waste then added after filtering, and continuation use ball mill ball milling 15 ~
20min, adds aluminium powder, calcium lime powder, water and is uniformly mixing to obtain slurry；
（2）Shaping：By step（1）In obtain slurry injection mould in, dry, obtain wet brick, then air drying, obtain brick
Base；
（3）Fire：By step（2）In obtain adobe feeding sintering oven in, gradient increased temperature is to 950 ~ 1100 DEG C, then is incubated firing
5 ~ 8 hours, after cooling down, obtain sound insulation wall brick.
The step（3）In, the heating gradient of gradient increased temperature is：
250 ~ 280 DEG C are warming up to 25 DEG C/min heating rate, 10 ~ 15min is incubated；
700 ~ 750 DEG C are warming up to 25 DEG C/min heating rate, 20 ~ 30min is incubated；
1000 ~ 1100 DEG C are warming up to 10 DEG C/min heating rate, 5 ~ 8 hours are incubated.
Combustible its burning-point in paper mill sludge is relatively low, in 250 ~ 280 DEG C of incendivities about more than 70%, and its burning velocity
It hurry up, therefore, in the temperature section, its soaking time is shorter.
There is hole more in wall brick, its sound-absorbing effect is better, and the soundproof effect of building is better.If but the hole shape in wall brick
Into substantial amounts of interior bone or surface through hole, the exterior appearance of wall brick is not only influenceed, while being greatly reduced the intensity of wall brick
And service life.Contain 10 ~ 20% potassium, sodium, the oxide of magnesium in feldspar, it is possible to decrease the softening and thawing of vitreum in wall brick
Temperature, while softening and melt temperature of the calcium lime powder added also to vitreum in wall brick have reducing effect.700 ~ 750 DEG C of guarantors
Temperature section is longer, makes wall brick bating effect more preferably, is easy to foaming agent to form fine and closely woven and not interconnected crafters in wall brick, increases
The sound-absorbing effect of strong wall brick, and do not reduce the intensity of wall brick largely.700 ~ 750 DEG C of soaking zones can further burn papermaking simultaneously
Combustible in sludge and illite, montmorillonite, the softening for vitreum in wall brick provides certain heat.
The foaming agent uses inorganic foaming agent, and blowing temperature is higher, thus wall brick sintering temperature usually using 1000 ~
1300 DEG C of sintering temperature, the present invention is by the way of gradient increased temperature, and pre-burning is calcined again, reduces the sintering temperature of wall brick, section
The about energy.
Beneficial effect：
（1）A kind of combined light sound insulation wall brick that the present invention is provided, paper mill sludge is added in raw material and is fired into sound insulation wall brick,
The porosity of wall brick is improved, the use of foaming agent, additive is reduced, the soundproof effect of wall brick is enhanced, reduces wall brick
Density.Meanwhile, the addition of paper mill sludge makes wall brick form certain internal combustion effect when sintering, and reduces in wall brick sintering process
Energy consumption, reduces wall brick production cost.
（2）A kind of combined light sound insulation wall brick that the present invention is provided, will be big for environment pollution, handles difficult papermaking dirty
Mud reclaims the raw material as sound insulation wall brick, reduces the cost of sound insulation wall brick, meanwhile, the environmental pollution of the paper mill sludge of processing is asked
Topic, energy-conserving and environment-protective, replicability is strong.
（3）A kind of combined light sound insulation wall brick that the present invention is provided, using shepardite short fiber reinforced, wall brick is strong
Degree and service life, make its applicable architectural environment wider, can be used as exterior wall, the building of interior wall or decoration.
Embodiment
Technical scheme is further described below by embodiment.
The present invention provides a kind of combined light sound insulation wall brick, using flyash, calcium lime powder, feldspar, bitter lime stone, Erie
The steps such as stone, montmorillonite, shepardite chopped fiber, aluminium powder, foaming agent and paper mill sludge are by mixing, shaping, firing are fired
Form, its wall brick light weight, soundproof effect are good, intensity is high, long lifespan, can build or decorate as the exterior wall and interior wall of building
Use brick.
Its embodiment is as follows：
Embodiment 1：
A kind of combined light sound insulation wall brick, is mainly prepared from by following raw material by weight：
25 parts of flyash
10 parts of calcium lime powder
15 parts of trachyte
Bitter 15 parts of lime stone
15 parts of illite
5 parts of montmorillonite 2
15 parts of paper mill sludge
10 parts of shepardite chopped fiber
5 parts of aluminium powder
1 part of carborundum；
The paper mill sludge is the mud that the water content that alkali recovery white slime is obtained after filtering is 45%；The feldspar is.Institute
Stating trachyte, bitter lime stone, illite, montmorillonite, the particle diameter of flyash is：0.5mm.The particle diameter of the aluminium powder is 0.3mm.
Preparation process：
（1）Mix：Each component deal according to formula, by rustic work, bitter lime stone, illite, montmorillonite, shepardite
Chopped fiber, carborundum ball mill dry grinding 60min, obtain well mixed aggregate, and the alkali filtering then added after filtering is simultaneously
The recovery white clay warp of bulk solid is eliminated, continues to use ball mill ball milling 15min, aluminium powder, calcium lime powder, water stirring is added
It is even to obtain slurry.
（2）Shaping：By step（1）In obtain slurry injection mould in, dry, obtain wet brick, then air drying, obtain
To adobe.
（3）Fire：By step（2）In obtain adobe feeding sintering oven in, be warming up to 25 DEG C/min heating rate
250 DEG C, 15min is incubated, makes the low ignition point combustible combustion in paper mill sludge in adobe, then with 25 DEG C/min heating rate liter
Temperature is incubated 30min, unburned complete combustible is burnt completely to 700 DEG C, while softening the vitreum in adobe；With 10
DEG C/min heating rate is to slowly warm up to 1100 DEG C, 5 hours are incubated, makes adobe sintering completion, is combined after cooling
Type sound insulation wall brick.In cooling procedure, its cooling velocity be difficult it is too fast, using progressively natural cooling, in order to avoid scorching hot wall brick chilling
Crackle is caused, the intensity and service life of wall brick is influenceed.
Embodiment 2：
30 parts of flyash
15 parts of calcium lime powder
5 parts of albite
15 parts of potassium feldspar
Bitter 15 parts of lime stone
20 parts of illite
0 part of montmorillonite 2
20 parts of paper mill sludge
5 parts of shepardite chopped fiber
8 parts of aluminium powder
1 part of carbon black
2 parts of magnesite；
The paper mill sludge is the mud that the water content that deinked sludge is obtained after filtering is 40%.The albite, potassium are long
Stone, bitter lime stone, illite, montmorillonite, the particle diameter of flyash are：0.8mm.The particle diameter of the aluminium powder is 0.5mm.
Preparation process：
（1）Mix：By albite, potassium feldspar, bitter lime stone, illite, montmorillonite, shepardite chopped fiber, carbon black, magnesite
With ball mill dry grinding 60min, well mixed aggregate is obtained, the deinked sludge then added after filtering continues to use ball mill
Ball milling 20min, adds aluminium powder, calcium lime powder, water and is uniformly mixing to obtain slurry.
（2）Shaping：By step（1）In obtain slurry injection mould in, dry, obtain wet brick, then air drying, obtain
To adobe.
（3）Fire：By step（2）In obtain adobe feeding sintering oven in, be warming up to 25 DEG C/min heating rate
280 DEG C, it is incubated 10min；Make the low ignition point combustible combustion in paper mill sludge in adobe, then with 25 DEG C/min heating rate liter
Temperature is incubated 20min, unburned complete combustible is burnt completely to 750 DEG C, while softening the vitreum in adobe；With 10
DEG C/min heating rate is to slowly warm up to 950 DEG C, 8 hours are incubated, makes adobe sintering completion, obtains compound after cooling
Sound insulation wall brick.
In the present embodiment, foaming agent is used as using magnesite and carbon black.Magnesite contains substantial amounts of magnesium salts, divides at high temperature
The magnesia and carbon dioxide of vitreum melting temperature in Xie Chengke reduction adobes, and substantial amounts of heat is released, therefore, its
Sintering temperature is less than the sintering temperature in embodiment 1.
The present invention is not limited to above-mentioned preferred forms, and anyone can show that other are various under the enlightenment of the present invention
The product of form, however, make any change in its shape or structure, it is every that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.
Claims (6)
1. a kind of combined light sound insulation wall brick, it is characterised in that：The sound insulation wall brick is main by following original by weight
Material is prepared from：
25 ~ 30 parts of flyash
10 ~ 15 parts of calcium lime powder
15 ~ 20 parts of feldspar
Bitter 10 ~ 15 parts of lime stone
15 ~ 20 parts of illite
0 ~ 25 part of montmorillonite 2
15 ~ 20 parts of paper mill sludge
5 ~ 10 parts of shepardite chopped fiber
5 ~ 8 parts of aluminium powder
1 ~ 3 part of foaming agent；
The paper mill sludge is the mud that the water content that alkali recovery white slime or deinked sludge are obtained after filtering is 40% ~ 60%
Slurry；The feldspar is that the mass ratio of albite and potassium feldspar in the compound of trachyte or albite and potassium feldspar, compound is：
2.5~4:7.5~6。
2. a kind of combined light sound insulation wall brick according to claim 1, it is characterised in that：The feldspar, bitter lime stone, she
Sharp stone, montmorillonite, the particle diameter of flyash are：0.1~1mm.
3. a kind of combined light sound insulation wall brick according to claim 1, it is characterised in that：The particle diameter of the aluminium powder is
0.05~0.5mm。
4. a kind of combined light sound insulation wall brick according to claim 1, it is characterised in that：The foaming agent be carbon black,
One or more in carborundum, magnesite, potassium carbonate, potassium nitrate.
5. a kind of combined light sound insulation wall brick according to claim 1, it is characterised in that：The sound insulation wall brick by with
It is prepared by lower step：
（1）Mix：By feldspar, bitter lime stone, illite, montmorillonite, shepardite chopped fiber, foaming agent ball mill dry grinding 45
~ 60min, obtains well mixed aggregate, the papermaking solid waste then added after filtering, and continuation use ball mill ball milling 15 ~
20min, adds aluminium powder, calcium lime powder, water and is uniformly mixing to obtain slurry；
（2）Shaping：By step（1）In obtain slurry injection mould in, dry, obtain wet brick, then air drying, obtain brick
Base；
（3）Fire：By step（2）In obtain adobe feeding sintering oven in, gradient increased temperature is to 1000 ~ 1100 DEG C, then is incubated burning
System 5 ~ 8 hours, after cooling down, obtains sound insulation wall brick.
6. a kind of combined light sound insulation wall brick according to claim 5, it is characterised in that：The step（3）In, gradient
The heating gradient of heating is：
250 ~ 280 DEG C are warming up to 25 DEG C/min heating rate, 10 ~ 15min is incubated；
700 ~ 750 DEG C are warming up to 25 DEG C/min heating rate, 20 ~ 30min is incubated；
950 ~ 1100 DEG C are warming up to 10 DEG C/min heating rate, 5 ~ 8 hours are incubated.
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| CN108046759A (en) * | 2018-01-16 | 2018-05-18 | 马鞍山市新桥工业设计有限公司 | A kind of river silt illite sintered perforated brick and preparation method thereof |
| CN108147785A (en) * | 2018-01-05 | 2018-06-12 | 上海理工大学 | A kind of method using municipal sludge production floor tile |
| CN108424163A (en) * | 2018-04-18 | 2018-08-21 | 合肥易美特建材有限公司 | A kind of novel sound insulating brick and preparation method thereof |
| CN109912294A (en) * | 2018-09-19 | 2019-06-21 | 王昌平 | A kind of foamed ceramic material pre-oxidation manufacturing method |
| CN111926985A (en) * | 2020-08-05 | 2020-11-13 | 安徽恒创环保建材有限公司 | Building brick for house building |
| CN115353410A (en) * | 2022-08-09 | 2022-11-18 | 武汉理工大学 | Steel slag foamed ceramic decorative plate with groove-shaped glaze and preparation method thereof |
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| CN115353410A (en) * | 2022-08-09 | 2022-11-18 | 武汉理工大学 | Steel slag foamed ceramic decorative plate with groove-shaped glaze and preparation method thereof |
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