CN106495732A - A kind of composition of raw materials of industrialized production fiber crops stone powder aero sheet material and method technique - Google Patents
A kind of composition of raw materials of industrialized production fiber crops stone powder aero sheet material and method technique Download PDFInfo
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- CN106495732A CN106495732A CN201610989109.1A CN201610989109A CN106495732A CN 106495732 A CN106495732 A CN 106495732A CN 201610989109 A CN201610989109 A CN 201610989109A CN 106495732 A CN106495732 A CN 106495732A
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- stone powder
- sheet material
- aero
- fiber crops
- industrialized production
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/0481—Other specific industrial waste materials not provided for elsewhere in C04B18/00
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of composition of raw materials of industrialized production fiber crops stone powder aero sheet material and method technique：It is with numb stone powder as main material, assistant is with proper amount of gypsum, cement, quick lime, aluminium powder, water etc., prepare through mortar, cast, place reinforcement component, rest, foam, cutting, the set technique such as steam press maintenance and late maintaining, produce self-heat preservation heat insulation sound insulation novel building section bar.Inventive formulation and process, with Ma Shi factories industrial waste fiber crops stone powder as main feature of raw material, are characterized with according to condition adding the technological processes that are mutually related such as dispensing, high temperature cast, high temperature foaming and long-time steam press maintenance.The process of the present invention; accomplish scale production numb stone powder aero sheet material; in addition to have the advantages that the sand aerating that passes through on market and grey aerated-block or sheet material; ash aerated concrete building block easy to crack common fault of building is more overcome; construction time greatly shortens; reuse after removable, receive the welcome of user, have wide market prospect.
Description
Technical field
The invention discloses one kind is with Ma Shi factories waste material fiber crops stone powder as primary raw material, industrialized production air entrained concrete is built
Section bar --- the composition of raw materials of numb stone powder aero sheet material and method technique.
Background technology
Country advocates the production of novel energy-saving environment-friendly construction material, and calendar year 2001, State Economic and Trade Commission indicated, " promoting for acceleration should
With novel wall material and the dynamics of superseded solid clay brick, determine to carry out prohibitting the use of the city of solid clay brick to expand in limited time
Greatly to 170 " " other provincial capitals will carry out before the end of the year 2005 at the latest and prohibit the use of solid clay brick ".As mark, I
State's materials for wall reform enters a new stage.Flyash brick, air-mixed concrete pieces, concrete large slab, haydite concrete block,
Straw walling, composite wall material etc. arise at the historic moment.
Through Market Selection and government regulation, current building wall mainly has two kinds of energy-conserving and environment-protective building materials, i.e., fly ash aerated
Concrete and sand aerated concrete.
Powder ash air-entrained concrete, with the walling that flyash is produced as major ingredient, light with brick unit weight, insulation, heat-insulated, every
Sound, particularly easy processing feature, flyash are industrial residues, can curb environmental pollution, farmland saving, have good society's effect
Benefit and economic benefit, are a kind of preferable materials for walls for substituting traditional solid clay brick, receive the encouragement of government, but body of wall holds
Easy to crack, it is this walling current in the architectural common quality defect not overcome.And the air entrained concrete drying shrinkage of sand aerating is relative
Smaller, build a wall not easy to crack.
Early in 2013, Huai'an live to found the bureau once with regard to flyash partition block used in architectural engineering after easily there is body of wall
Crack, hollowing such as come off at the common quality defect, and the unit associated specialist such as organizing construction, management, design, figure examine, house property exploitation is participated in and ground
Meeting is begged for, on the basis of fully proving, is put into effect《With regard to strengthening conscientiously the notice of the city's " "four news" (new ideas " Technique Popularizing application work》
(Huaihe River Housing Construction Office [2013] 203) file.Clear stipulaties were washed in a pan from 1 day January in 2014 in the architectural engineering in the range of the whole city
Eliminate powder ash air-entrained concrete building block, popularization and application interior wall (exterior wall) sand aerated concrete block.But sand aerating sand using amount is big, disappears
Consumption sand and stone resources, sandpit can even affect the safety of river levee.This is the maximum misgivings of raw material production and secret worry.
Numb stone is a kind of traditional senior building material.But lubricant polychlorostyrene in the numb stone powder produced in numb stone processing and processing
Change aluminum, poisonous, numb stone powder waste material piles up disperse, elapses with pilling up time, into milky, has a strong impact on environmental beauty, penetrate into
Underground and downstream, make residents ' health be damaged, and numb stone waste material is urgently to be resolved hurrily.The ground such as Hunan have and start the numb stone powder aero of test production and mix
The report that solidifying soil is laid bricks, but without the report for successfully producing numb stone powder aero sheet material.
Content of the invention
It is an object of the invention to overcoming prior art not enough and providing a kind of using existing general air entrained concrete production
Equipment, the method and technique that with the numb stone powder of industrial waste Ji Ma stones factory waste material as main material, produce numb stone powder aero sheet material.
The present invention --- a kind of-composition of raw materials of industrialized production fiber crops stone powder aero building block is realized using following proposal：
With 3m3Mould car proportioning meter, proportioning are a kind of composition of raw materials ratio of industrialized production fiber crops stone powder aero sheet material：Numb stone powder 2030 ±
1kg, 120 ± 0.5kg of Gypsum Fibrosum, 270 ± 1kg of cement, 385 ± 5kg of quick lime, 1.20 ± 0.02kg of aluminium powder and suitable quantity of water, wherein
Numb 2030 ± 1kg of stone powder, can mix a small amount of sand.
The waste material that the numb stone powder is discharged by Ma Shi processing factories.
The quick lime accounts for siccative than 14 ± 1%.Quick lime quality requirements：CaO content is not less than 70%, and heating property
Detection meets requirement：Preparing quick lime materials 10g, plus 20mL water (20 DEG C of water temperature) digestion time is in 6-15min, clears up end of a period detection
Temperature is not less than 60 DEG C.
The cement grade is 425# and above quality.
The Gypsum Fibrosum is the waste material of power plant discharge.
The aluminium powder is commercially available aluminium powder.
The water is domestic water.
The sand is quartz sand, fluvial sand etc..
The present invention --- a kind of-method technique of industrialized production fiber crops stone powder aero sheet material is realized using following proposal：
In general air entrained concrete manufacture complete set of equipments, by inventive formulation, through preparing mortar, cast, placement reinforcement component, quiet
The set technique production such as foster, foaming, cutting, steam press maintenance and late maintaining.Priority control dispensing when sequentially adds condition, control
Slurry temperature, rest blowing temperature and duration, control steam pressure pressure and duration before system cast.
The control dispensing when sequentially adds condition, i.e.,：First numb stone powder, Gypsum Fibrosum and suitable quantity of water are mixed through ball mill work
After work, mortar is prepared, enter mortar basin when mortar diffusance reaches 39 ± 1cm standby.2150 ± 5kg of mortar enters stirring
Machine, add water 270 ± 1kg of mud, stirs in logical steam, and interval 20s or so adds 385 ± 5kg of quick lime, is about during stirring
2min；When slurry temperature reaches 47 ± 2 DEG C, add water bubble aluminium powder (aluminium powder 1.27 ± 0.02：Water 18 ± 2), stirring 40s or so.
The front slurry temperature of cast that controls is 51 ± 1 DEG C, it is impossible to more than 53 DEG C.
The slip blowing temperature and duration, i.e., 70 ± 2 DEG C, 15 ± 1s.
The control steam pressure pressure and duration, boost to 12.5 ± 0.1MPa in 1.4 ± 0.1h in reactor, maintain 10.5
±0.5h.
The composition of raw materials and method technological principle of numb stone powder aero sheet material is summarized as follows：
Numb stone, its main component, average according to different chemical composition ratio in 2485 parts of granite all over the world, list is such as
Under：
Make lubricant with polyaluminium chloride in numb stone processing, poisonous, numb stone powder waste material piles up disperse, elapses with pilling up time,
Into milky, environmental beauty is had a strong impact on.
We have detected local fiber crops stone powder main component used by the present invention, survey average SiO2Mass ratio is accounted for for 70.31%
Al2O3Account for mass ratio 14.55%CaO and account for mass ratio 1.12%, other account for 14.02%.
Therefore, SiO is mainly provided using numb stone powder waste material with flyash in traditional air entrained concrete2And Al2O3, sand aerating
In concrete, sandstone mainly provides SiO2, have similar part.Therefore, the charging of production air entrained concrete is planted in addition to major ingredient difference
Remaining is consistent for class, simply different than part.
Therefore, principle is unanimous on the whole.I.e. Gypsum Fibrosum mixes the main rate of set for adjusting cement, it is to avoid the too fast aquation of cement,
Substantial amounts of heat energy is released in the reaction of quick lime and water, generates alkaline environment, promotes aluminium powder surface alumina oxide to be destroyed, pure aluminum and water
React, produce hydrogen, produce Swelling Functions.In this complex environment, there is complicated combination in all kinds of zwitterions,
Complicated compound is formed, especially based on hydrosilicate and hydrated aluminum hydrochlorate.
But numb stone is different from flyash and sandstone after all, physical and chemical performance has significantly different, numb stone density is larger, quality compared with
Firmly, acidic rock, therefore, is that main material makes steam aerated sheet material with numb stone powder, with traditional main material flyash or the plate of sandstone
Material is compared, and in proportioning raw materials and technique, is had significantly different part, is described below.
One proportioning raw materials principle and foundation：
From the point of view of our comparative test repeatedly, quick lime (alkalescence) consumption, its Central Plains in slip, must be significantly increased
Therefore a numb stone is the about high 20%-30% of sheet material of acidic rock, average specific main material flyash or sandstone, otherwise condenses difference and easily opens
Split.
Our first emphasis have groped the test of quick lime consumption.
Met with heating property and require that the quick lime (see aforementioned) presses the inventive method dispensing and processing, only change quick lime
Consumption.From the point of view of Product checking, within the specific limits, increase with quick lime consumption, numb stone powder aero plate construction power substantially increases
By force, but another more than 18% structural capacity as, many less than 9% sheet material crackle.Effect see the table below.
As can be seen here, it is economically feasible to account for siccative 13-15% quick lime, and product meets GB again《Steam-pressing aero-concrete
Plate》GB15762-2008 is required.
Further, since numb stone powder waste material impurity is more, should rinse repeatedly when preparing mortar, therefore, can also mix a small amount of sand
Stone increases siliceous.
2nd, technologic analysis
Because of numb stone, its compactness is more much greater than flyash and sandstone, therefore, must two " height " " length " in technique.So-called
Two " height " refer to：One " height " is high for slurry temperature before cast, i.e., 51 ± 1 DEG C, than the slip casting temperature of flyash and sandstone material
Degree wants high 8-9 DEG C, see the table below.
Two " height " are the 15 ± 1s that foams at blowing temperature, i.e., 70 ± 2 DEG C, than traditional flyash and the slip of sandstone material
63.5 ± 1.5 DEG C of blowing temperature wants high 7-8 DEG C.So-called one " length "：Refer to that the steam press maintenance time will be grown, it is necessary to more than 12h, than tradition
Flyash and sandstone material steam press maintenance time 8h, long 4h or so.
We have carried out repeatedly the test of groping property for optimum temperature before cast.If flyash and the sheet material of sandstone material
42 ± 1 DEG C of ordinary temperature before cast, structural capacity substantially reduces, and surface flatness is also decreased obviously, it is clear that cannot meet building
Require.
We are groped repeatedly also for foaming optimum temperature.If still pressing material based on production flyash and sandstone
63.5 ± 1.5 DEG C of plate foaming ordinary temperature, product structure power substantially reduces, it is clear that cannot meet building requirements.
We also try to change the steam press maintenance time, explore the optimal steam press maintenance time that man-hour and quality are taken into account.If
Previous process condition is constant, only changes the steam press maintenance time, and we select 6h, 8h, 10h, 12h, 14h, 16h to carry out gradient examination
Test, find that with steam press maintenance time lengthening product structure power is better, then extends the time in 6-12h, product quality changes not clear
Aobvious.Following table be numb stone powder aero sheet material cast before, foaming when optimum temperature and the part of optimal steam press maintenance time comprehensive
Exploratory experiment.
In addition, numb stone powder aero sheet material, compared with building block, will be in addition to long 5-6h except the steam press maintenance time, should also first built-in steel
Rib component, could produce and meet GB《Autoclaved aerated concrete slab》The numb stone powder aero sheet material that GB 15762-2008 are required.
In addition, the compactness based on numb stone, the particularity of composition, its processing form air entrained concrete section bar, its drying shrinkage
20%-30% also less than sand aerated concrete.From the point of view of building show house and market sale, paying a return visit feedback, wall anti-cracking
Effect is substantially better than grey aerating, is better than sand aerated concrete.In addition, " sheet material " is more easy to assemble than brick material, can with Reusability, because
This, is a kind of highly desirable repeatable utilization section material for wall, receives the highly recognition in market.
In sum, present invention process formula and process, are specific to numb stone powder waste material as main material, use and lead to
The maturation process that sound insulation self-heat conserving environmental protection " sheet material " is produced with air entrained concrete production equipment.
Specific embodiment
A kind of present invention --- the specific embodiment of the composition of raw materials of-industrialized production fiber crops stone powder aero sheet material is：
Charge ratio is by per mould car 3m3Meter：A kind of composition of raw materials ratio of industrialized production fiber crops stone powder aero sheet material：Numb stone powder
2030 ± 1kg, 120 ± 0.5kg of Gypsum Fibrosum, 270 ± 1kg of cement, 385 ± 5kg of quick lime, 1.20 ± 0.02kg of aluminium powder and appropriate
Water, wherein 2030 ± 1kg of numb stone powder, can mix a small amount of sand.
A kind of present invention --- the specific embodiment of the process of-industrialized production fiber crops stone powder aero sheet material is：
Quick lime heating property detection is carried out first.Quick lime quality meets requirement, then carries out following eight step process, i.e. sand
Prepared by slurry, cast, place reinforcement component, rest, foam, cutting, steam press maintenance and late maintaining, be described below：
Prepared by first step mortar：First numb stone powder is mixed with Gypsum Fibrosum and is stirred well, after working through ball mill, when mortar diffusance reaches
Enter mortar basin during to 39 ± 1cm standby.
Second step is poured into a mould：Mortar being injected in blender, add water mud, being stirred in logical steam, interval 20s or so adds life
Calx, is about 2min during stirring, when slurry temperature reaches 47 ± 2 DEG C, add water bubble aluminium powder (aluminium powder 1.27 ± 0.02：Water 18 ±
2), when slip is warming up to 51 ± 1 DEG C (no more than 53 DEG C), start to pour into a mould.
3rd step places reinforcement component：Reinforcement component is put immediately into after cast.
4th step is rested：Enter resting room.
5th step foams：In resting room after 30 ± 5min of precuring blowing temperature be 70 ± 2 DEG C, when a length of 15 ± 1s, continue
Rest 2.5 ± 0.1h.
6th step is cut.
7th step steam press maintenance：12.5 ± 0.1MPa is boosted in reactor in 1.4 ± 0.1h, maintains 10.5 ± 0.5h.
8th step late maintaining：15-28d.
After testing, numb stone powder aero sheet material meets national standard《Autoclaved aerated concrete slab》GB 15762-2008 are required.
Therefore, the present invention --- a kind of-composition of raw materials of industrialized production fiber crops stone powder aero sheet material and method technique, can be real
Existing large-scale production meets the self-heat conserving environment friendly wall sheet material of national standard ----numb stone powder aero sheet material.
Claims (8)
1. the composition of raw materials ratio of a kind of industrialized production fiber crops stone powder aero sheet material：Numb 2030 ± 1kg of stone powder, Gypsum Fibrosum 120 ±
0.5kg, 270 ± 1kg of cement, 385 ± 5kg of quick lime, 1.20 ± 0.02kg of aluminium powder and suitable quantity of water, wherein numb stone powder 2030 ±
1kg, can mix a small amount of sand.
2. the method technique of a kind of industrialized production fiber crops stone powder aero sheet material, including prepare mortar, cast, placement reinforcement component,
Rest, foam, cutting, the set technique such as steam press maintenance and late maintaining.
3. the composition of raw materials of a kind of industrialized production fiber crops stone powder aero sheet material according to claim 1, it is characterised in that：Calculogenesis
Ash accounts for siccative ratio for 14 ± 1%.
4. a kind of method technique of industrialized production fiber crops stone powder aero sheet material according to claim 2 prepares mortar, its
It is characterised by：Enter mortar basin when mortar diffusance is 39 ± 1cm standby.
5. the cast of the method technique of a kind of industrialized production fiber crops stone powder aero sheet material according to claim 2, its feature
It is：When slurry temperature reaches 47 ± 2 DEG C, add water bubble aluminium powder (aluminium powder 1.27 ± 0.02: water 18 ± 2).
6. the cast of the method technique of a kind of industrialized production fiber crops stone powder aero sheet material according to claim 2, its feature
It is：51 ± 1 DEG C of slurry temperature before cast, it is impossible to more than 53 DEG C.
7. the foaming of the method technique of a kind of industrialized production fiber crops stone powder aero sheet material according to claim 2, its feature
It is：Blowing temperature is 70 ± 2 DEG C.
8. the steam press maintenance of the method technique of a kind of industrialized production fiber crops stone powder aero sheet material according to claim 2, its
It is characterised by：12.5 ± 0.1MPa is boosted in reactor in 1.4 ± 0.1h, maintains 10.5 ± 0.5h.
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| CN201610989109.1A CN106495732A (en) | 2016-11-10 | 2016-11-10 | A kind of composition of raw materials of industrialized production fiber crops stone powder aero sheet material and method technique |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108484205A (en) * | 2018-05-24 | 2018-09-04 | 长沙金仕盛建材有限公司 | A kind of composition of raw materials and production technology of industrialized production steam-pressing aero-concrete |
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| CN102815959A (en) * | 2012-08-31 | 2012-12-12 | 麻城市惠森建材有限责任公司 | Environment-friendly aerated concrete block |
| CN102491713B (en) * | 2011-11-22 | 2013-06-12 | 丁立平 | Wall material made of mine tailings and coal ash and manufacturing method thereof |
| CN103964888A (en) * | 2014-04-21 | 2014-08-06 | 山东理工大学 | Method for producing aerated concrete blocks by using powder waste produced in stone processing |
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2016
- 2016-11-10 CN CN201610989109.1A patent/CN106495732A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102491713B (en) * | 2011-11-22 | 2013-06-12 | 丁立平 | Wall material made of mine tailings and coal ash and manufacturing method thereof |
| CN102815959A (en) * | 2012-08-31 | 2012-12-12 | 麻城市惠森建材有限责任公司 | Environment-friendly aerated concrete block |
| CN103964888A (en) * | 2014-04-21 | 2014-08-06 | 山东理工大学 | Method for producing aerated concrete blocks by using powder waste produced in stone processing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108484205A (en) * | 2018-05-24 | 2018-09-04 | 长沙金仕盛建材有限公司 | A kind of composition of raw materials and production technology of industrialized production steam-pressing aero-concrete |
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Application publication date: 20170315 |