CN108101486A - A kind of unburned Industrial Residue Brick and preparation method thereof - Google Patents
A kind of unburned Industrial Residue Brick and preparation method thereof Download PDFInfo
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- CN108101486A CN108101486A CN201711458393.0A CN201711458393A CN108101486A CN 108101486 A CN108101486 A CN 108101486A CN 201711458393 A CN201711458393 A CN 201711458393A CN 108101486 A CN108101486 A CN 108101486A
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- dosage
- industrial residue
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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
- 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
- C04B28/14—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 containing calcium sulfate cements
- C04B28/142—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 containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—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 containing calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00017—Aspects relating to the protection of the environment
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of unburned Industrial Residue Bricks and preparation method thereof, belong to waste residue recycling field.The unburned Industrial Residue Brick, by the material composition of following percentage：The slag powders of 9.1 19.5wt%；The desulfurated plaster of 3.5 8.3wt%；The steel-making slag powder of 1.4 3.0wt%；The building waste aggregate of 60.9 79.1wt%；The water of 6.9 9.1wt%.Preparation method is：The raw material measured is all delivered to mixer stirring 2min, the mixture being stirred is delivered to the extrusion forming of brickmaking machine vibration, after the demoulding, it is put into after being conserved for 24 hours in moisture curing kilns, kiln discharge stacking is in heaps, brick is stamped and is transported to product stockyard covering watering health at least 7d, to age after detect or detected when dispatching from the factory, obtain finished product.The present invention realizes Industrial Solid Waste recycling, reduces energy consumption, reduces environmental pollution；And original equipment can be used in the present invention, has saved production cost.
Description
Technical field
The present invention relates to a kind of unburned Industrial Residue Bricks and preparation method thereof, belong to waste residue recycling and concrete brick prepares skill
Art field.
Background technology
Concrete brick is that cement, water, sandstone is utilized, by accurate proportioning, to be formed for main material without high-temperature calcination
A kind of brick.Concrete brick because its shake by machinery it is molded, it is small to the pollution level of environment without firing, meet the ring of country
Factoring is read, the fired brick that tradition is gradually replaced to be fired with clay.But the raw material cement that is largely used in current concrete brick and
Destruction and pollution level of the sandstone in its production process to environment are at all no less than fired brick.
Such as cement, one ton of cement is produced according to statistics and about discharges 0.83 ton of carbon dioxide, while consumes about 140 kilograms of standards
Coal, thus produce conventional cement not only bad for environmental protection and also energy consumption it is huge；Such as river sand, the dig sand harm of operation of river exists
In：First, the living environment of aqueous bio is destroyed, self purification function of original ecosystem is caused to be lost；Second, constantly
Ground excavates riverbed, stirs river water, and river water becomes muddy yellowing throughout the year；3rd, sand dredger fuel oil, machine oil penetrate into river water, cause river
Face sheet greasy dirt floats and polluted source；Such as rubble, Most current rubble mining enterprise takes extensive style, steals formula
Mining operations merely seek immediate interest, at all without considering the protection problem in mine, cut into a mountain for quarrying in the process with changing mining area
Shape, landforms destroy vegetation, cause substantial amounts of soil erosion, easily trigger geological disaster, while quarry is not corresponding
Dedusting environment friendly measure, directly discharged in the airborne dust of production process into middle generation into air, so as to improve the powder in air
Dust content is directly translated into around stone factory and is usually covered with dust all over, and road, leaf, crops, residential house are all by dust bag
It encloses, and by the flowing of air, the airborne dust that ten hundreds of simple and crude stone pits generates collects in air, propagates wantonly, into one
Step exacerbates air pollution.
And above-mentioned phenomenon is all avoidable, can all be generated greatly in mining and mill run industry, smelting industry, chemical industry and construction industry
The waste residue of amount, there are many in these waste residues can be with recycling, such as the slag of steelmaking process, because of itself and cement minerals group
Into similar, the title of " cement inferior " is known as；It is a kind of high waste residue of lateral reactivity, in industry if slag is the byproduct of ironmaking
Interior opposite application is more, such as：It produces clinker, as concrete admixture etc., still has and very big utilize space；Such as desulfurization stone
Cream is that coal-burning power plant uses limestone-gypsum method to also belong to industrial residue, desulfurated plaster can be replaced preferably to the product of flue gas desulfurization
For the natural gypsum, but the disposal of domestic desulfurated plaster at present, slower using developing, not yet formed industrialization, scale and
Virtual production；Such as building waste is to be engaged in dismounting, construction, finishing, repairing the slag that generates in the production activity of construction industry
Soil, waste and old concrete, waste and old masonry are handled at present using burial measure mostly.These waste residues such as cannot effectively handle utilization,
It will result in a large amount of heaps to abandon, occupy farmland soil, waste of resource pollutes environment.
In technology currently with waste residue production brick, do not accomplish mostly completely without using clinker and natural sand stone or
Person produces maintaining process requirement and wants height compared to tradition, still there is room for improvement.As Chinese patent 03117792.1 discloses one kind
Non-burning brick method is produced using slag, raw material is in this method：Building waste residue 36~43%, rock 44~51% inferior, water
Mud 12~20% adds in the water-reducing agent of its weight 1~2% in cement or for building waste residue 38.5~39.5%, rock inferior
46.5~47.5%, cement 5.5~6.5%, flyash 3.5~4.5%, lime 3.5~4.5%.Wherein cement, rock inferior
Stone, lime are all fired or exploitation obtains.If Chinese patent 200810014015.8 discloses a kind of steel scoria unburned brick,
Defect is to need to use autoclave to be passed through carbon dioxide ageing 3-48h, and technological requirement is stringent.
The content of the invention
The present invention is intended to provide a kind of unburned Industrial Residue Brick and preparation method thereof, belongs to no first-hand datum without the unburned waste residue of natural sand stone
Brick, main purpose are to make Industrial Solid Waste recycling, reduce energy consumption, reduce environmental pollution, while to producing maintainer
Skill is identical with conventional concrete brick production technology without particular/special requirement.The present invention replaces cement and natural sand stone to produce using waste residue
Concrete brick is of great significance.
The present invention provides a kind of unburned Industrial Residue Brick, percentages, by following material composition：9.1-19.5wt%
Slag powders；The desulfurated plaster of 3.5-8.3wt%；The steel-making slag powder of 1.4-3.0wt%；The building waste bone of 60.9-79.1wt%
Material；The water of 6.9-9.1wt%.Weight percent provided herein is the benchmark consumption proportion of material therefor.
Wherein：
Slag powders are specific surface area >=400 ㎡/kg, 28d activity index >=95%, the ground granulated blast furnace slag of radioactivity qualification
Desulfurated plaster is the wet process of FGD gypsum of sulfate dihydrate calcium content >=95%；
Steel-making slag powder is specific surface area >=400 ㎡/Kg, basicity factor >=1.8,28d activity index >=80%, and stability is qualified to be turned
Stove or electric steel ground-slag；
Powder content≤7.0% that building waste aggregate obtains for building waste after following technological process（0-10）Mm is mixed
Material：
。
When using 10mm level-one method for sieving being in order to avoid being broken for the aggregate of plurality of specifications, because by multistage sieve
Point, the preferable Machine-made Sand of quality contained in below 10mm mixtures is few, and this measure can make original thick bone in waste concrete
Material is broken into fine aggregate rather than continues to exist with coarse aggregate, improves the quality of recycled fine aggregate.
The present invention provides a kind of preparation methods of unburned Industrial Residue Brick, and desulfurated plaster sample is taken before production in 42 ~ 48 DEG C of bakings
In case drying survey attachment moisture content, take aggregate dry in 100 ~ 110 DEG C of baking ovens survey moisture content after, benchmark dosage is converted into life
Dosage is produced, afterwards by production dosage metering, the raw material measured is all delivered to mixer stirring 2min, it is mixed by what is be stirred
It closes material and is delivered to the extrusion forming of brickmaking machine vibration, after the demoulding, be put into after being conserved for 24 hours in moisture curing kilns, kiln discharge stacking is in heaps, will
Brick, which is stamped, is transported to product stockyard covering watering health at least 7d, to age after detect or detected when dispatching from the factory, obtain finished product, dispatch from the factory.
The present invention is related to the conversion for producing dosage and benchmark dosage in actual application, the index and material
Moisture content is related, and the moisture content and the relation of benchmark dosage, production dosage of raw material are：
Hydrous material production dosage=material references dosage ×（The 1+ material moisture contents）；
Industrial water amount=benchmark water consumption-hydrous material water content.I.e. the raw material with certain moisture content is added in above-mentioned technique
It can influence the additive amount of water in raw material.
Beneficial effects of the present invention：
（1）The present invention is to provide a kind of no first-hand datum without the unburned Industrial Residue Brick of natural sand stone, Industrial Solid Waste recycling is realized, is reduced
Energy consumption, reduces environmental pollution；
（2）The more existing method using waste residue is process equipment to be increased, and in a disguised form improves production cost；In contrast,
Original equipment can be used in the present invention, has saved production cost.
Description of the drawings
Fig. 1 is the preparation flow figure of the unburned Industrial Residue Brick of the present invention.
Specific embodiment
It is further illustrated the present invention below by embodiment, but is not limited to following embodiment.
Embodiment 1：
Take the slag powders of 17.9wt%；The desulfurated plaster of 6.9wt%；The steel-making slag powder of 2.7wt%；The building waste of 64.2wt%
Aggregate；The water of 8.3wt%；
Desulfurated plaster sample is taken to dry survey attachment moisture content in 45 DEG C of baking ovens, aggregate is taken to be dried in 105 DEG C of baking ovens before production
Survey moisture content after, by benchmark dosage by formula ' hydrous material production the dosage=material references dosage ×（The 1+ material moisture contents）’、
' industrial water amount=benchmark water consumption-hydrous material water content ' is converted into production dosage, afterwards by production dosage metering, will count
Measured raw material is all delivered to mixer stirring 2min, after stirring evenly, is sent into the bricks die of brickmaking machine road surface, vibration pressurization into
Type is put into after the demoulding after being conserved for 24 hours in moisture curing kilns, and kiln discharge stacking is in heaps, and brick is stamped and is transported to product stockyard covering watering
Health 7d, 28d press GB28635-2012《Concrete road pavement brick》Standard detection, each item data is as follows, meets Cc40 grades of concrete
Pavior brick requirement：
The indexs such as the product that the present embodiment is produced its presentation quality, dimensional discrepancy, mechanical property, physical property meet correlation
Standard requirement.
Embodiment 2：
Take the slag powders of 19.5wt%；The desulfurated plaster of 7.5wt%；The steel-making slag powder of 3.0wt%；The building waste of 60.9wt%
Aggregate；The water of 9.1wt%；
Desulfurated plaster sample is taken to dry survey attachment moisture content in 43 DEG C of baking ovens, aggregate is taken to be dried in 110 DEG C of baking ovens before production
Survey moisture content after, by benchmark dosage by formula ' hydrous material production the dosage=material references dosage ×（The 1+ material moisture contents）’、
' industrial water amount=benchmark water consumption-hydrous material water content ' is converted into production dosage, afterwards by production dosage metering, will count
Measured raw material is all delivered to mixer stirring 2min, after stirring evenly, is sent into the bricks die of brickmaking machine road surface, vibration pressurization into
Type is put into after the demoulding after being conserved for 24 hours in moisture curing kilns, and kiln discharge stacking is in heaps, and brick is stamped and is transported to product stockyard covering watering
Health 7d, 28d press GB28635-2012《Concrete road pavement brick》Standard detection, each item data is as follows, meets Cc50 grades of concrete
Pavior brick requirement：
The indexs such as the product that the present embodiment is produced its presentation quality, dimensional discrepancy, mechanical property, physical property meet correlation
Standard requirement.
Embodiment 3：
Take the slag powders of 9.1wt%；The desulfurated plaster of 3.5wt%；The steel-making slag powder of 1.4wt%；The building waste bone of 79.1wt%
Material；The water of 6.9wt%；
Desulfurated plaster sample is taken to dry survey attachment moisture content in 46 DEG C of baking ovens, aggregate is taken to be dried in 108 DEG C of baking ovens before production
Survey moisture content after, by benchmark dosage by formula ' hydrous material production the dosage=material references dosage ×（The 1+ material moisture contents）’、
' industrial water amount=benchmark water consumption-hydrous material water content ' is converted into production dosage, afterwards by production dosage metering, will count
Measured raw material be all delivered to mixer stirring 2min, after stirring evenly, be sent into the solid bricks die of brickmaking machine in, vibration pressurization into
Type is put into after the demoulding after being conserved for 24 hours in moisture curing kilns, and kiln discharge stacking is in heaps, and brick is stamped and is transported to product stockyard covering watering
Health 7d, 28d press GB/T21144-2007《Solid concrete brick》Standard detection, each item data is as follows, meets B grades of MU15 coagulations
Native solid brick requirement：
The indexs such as the product that the present embodiment is produced its presentation quality, dimensional discrepancy, mechanical property, physical property meet correlation
Standard requirement.
Embodiment 4：
Take the slag powders of 11.4wt%；The desulfurated plaster of 4.5wt%；The steel-making slag powder of 1.7wt%；The building waste of 74.9wt%
Aggregate；The water of 7.5wt%；
Desulfurated plaster sample is taken to dry survey attachment moisture content in 42 ~ 48 DEG C of baking ovens, take aggregate in 100 ~ 110 DEG C of baking ovens before production
It is middle drying survey moisture content after, by benchmark dosage by formula ' hydrous material production the dosage=material references dosage ×（The 1+ materials contain
Water rate）', ' industrial water amount=benchmark water consumption-hydrous material water content ' be converted into production dosage, afterwards by production gauge
The raw material measured is all delivered to mixer stirring 2min, after stirring evenly, is sent into the solid bricks die of brickmaking machine, vibration by amount
Extrusion forming, is put into after the demoulding after being conserved for 24 hours in moisture curing kilns, and kiln discharge stacking is in heaps, and brick is stamped and is transported to product stockyard and covers
Lid watering health 7d, 28d press GB/T21144-2007《Solid concrete brick》Standard detection, each item data is as follows, meets B grades
The requirement of MU20 solid concrete bricks：
The indexs such as the product that the present embodiment is produced its presentation quality, dimensional discrepancy, mechanical property, physical property meet correlation
Standard requirement.
Embodiment 5：
Take the slag powders of 16.6wt%；The desulfurated plaster of 8.3wt%；The steel-making slag powder of 2.8wt%；The building waste of 64.5wt%
Aggregate；The water of 7.8wt%；
Desulfurated plaster sample is taken to dry survey attachment moisture content in 48 DEG C of baking ovens, aggregate is taken to be dried in 100 DEG C of baking ovens before production
Survey moisture content after, by benchmark dosage by formula ' hydrous material production the dosage=material references dosage ×（The 1+ material moisture contents）’、
' industrial water amount=benchmark water consumption-hydrous material water content ' is converted into production dosage, afterwards by production dosage metering, will count
Measured raw material be all delivered to mixer stirring 2min, after stirring evenly, be sent into the solid bricks die of brickmaking machine in, vibration pressurization into
Type is put into after the demoulding after being conserved for 24 hours in moisture curing kilns, and kiln discharge stacking is in heaps, and brick is stamped and is transported to product stockyard covering watering
Health 7d, 28d press GB/T21144-2007《Solid concrete brick》Standard detection, each item data is as follows, meets A grades of MU30 coagulations
Native solid brick requirement：
The indexs such as the product that the present embodiment is produced its presentation quality, dimensional discrepancy, mechanical property, physical property meet correlation
Standard requirement.
Embodiment 1,2 belongs to two groups in concrete brick major class, examination criteria with 3,4,5 products obtained therefrom of embodiment
It is different.
Claims (7)
1. a kind of unburned Industrial Residue Brick, it is characterised in that：By the material composition of following percentage：
The slag powders of 9.1-19.5wt%；The desulfurated plaster of 3.5-8.3wt%；The steel-making slag powder of 1.4-3.0wt%；60.9-
The building waste aggregate of 79.1wt%；The water of 6.9-9.1wt%.
2. unburned Industrial Residue Brick according to claim 1, it is characterised in that：Slag powders are specific surface area >=400 ㎡/kg, 28d
The ground granulated blast furnace slag of activity index >=95%, radioactivity qualification.
3. unburned Industrial Residue Brick according to claim 1, it is characterised in that：Desulfurated plaster is sulfate dihydrate calcium content >=95%
Wet process of FGD gypsum.
4. unburned Industrial Residue Brick according to claim 1, it is characterised in that：Steel-making slag powder is specific surface area >=400 ㎡/kg, alkali
Spend coefficient >=1.8,28d activity index >=80%, the converter of stability qualification or electric steel ground-slag.
5. unburned Industrial Residue Brick according to claim 1, it is characterised in that：Building waste aggregate passes through to flow down for building waste
The mixture that journey obtains：
Gained mixture is powder content≤7.0%（0-10）Mm mixtures.
6. a kind of preparation method of the unburned Industrial Residue Brick of claim 1 ~ 5 any one of them, it is characterised in that：Including following step
Suddenly：
Desulfurated plaster sample is taken to dry survey attachment moisture content in 42 ~ 48 DEG C of baking ovens, take aggregate in 100 ~ 110 DEG C of baking ovens before production
After moisture content is surveyed in middle drying, benchmark dosage is converted into production dosage, it is afterwards by production dosage metering, the raw material measured is complete
Portion is delivered to mixer stirring 2min, and the mixture being stirred is delivered to the extrusion forming of brickmaking machine vibration, after the demoulding, is put into wet
After being conserved for 24 hours in gas curing kilns, kiln discharge stacking is in heaps, and brick is stamped and is transported to product stockyard covering watering health at least 7d, to age
It is detected when detecting or dispatch from the factory after the phase, obtains finished product, dispatched from the factory.
7. the preparation method of unburned Industrial Residue Brick according to claim 6, it is characterised in that：The moisture content of raw material is used with benchmark
Amount, the relation of production dosage are：
Hydrous material production dosage=material references dosage ×（The 1+ material moisture contents）；
Industrial water amount=benchmark water consumption-hydrous material water content.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458393.0A CN108101486B (en) | 2017-12-28 | 2017-12-28 | Baking-free waste slag brick and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711458393.0A CN108101486B (en) | 2017-12-28 | 2017-12-28 | Baking-free waste slag brick and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108101486A true CN108101486A (en) | 2018-06-01 |
| CN108101486B CN108101486B (en) | 2020-07-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133832A (en) * | 2018-10-18 | 2019-01-04 | 江苏久诺建材科技股份有限公司 | A kind of sintering method of construction waste sintering brick |
| CN113443849A (en) * | 2021-07-28 | 2021-09-28 | 喜跃发国际环保新材料股份有限公司 | Retarder for magnesium phosphate cement and use method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005097079A (en) * | 2003-08-19 | 2005-04-14 | Taiheiyo Cement Corp | Concrete |
| CN101913831A (en) * | 2010-07-20 | 2010-12-15 | 昆明理工大学 | Method for producing baking-free bricks by solidifying construction wastes by utilizing phosphogypsum |
| CN103396080A (en) * | 2013-08-23 | 2013-11-20 | 张清 | Wall brick manufactured by utilizing industrial residues and manufacturing method of wall brick |
-
2017
- 2017-12-28 CN CN201711458393.0A patent/CN108101486B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005097079A (en) * | 2003-08-19 | 2005-04-14 | Taiheiyo Cement Corp | Concrete |
| CN101913831A (en) * | 2010-07-20 | 2010-12-15 | 昆明理工大学 | Method for producing baking-free bricks by solidifying construction wastes by utilizing phosphogypsum |
| CN103396080A (en) * | 2013-08-23 | 2013-11-20 | 张清 | Wall brick manufactured by utilizing industrial residues and manufacturing method of wall brick |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109133832A (en) * | 2018-10-18 | 2019-01-04 | 江苏久诺建材科技股份有限公司 | A kind of sintering method of construction waste sintering brick |
| CN113443849A (en) * | 2021-07-28 | 2021-09-28 | 喜跃发国际环保新材料股份有限公司 | Retarder for magnesium phosphate cement and use method thereof |
| CN113443849B (en) * | 2021-07-28 | 2022-12-02 | 喜跃发国际环保新材料股份有限公司 | Retarder for magnesium phosphate cement and use method thereof |
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| Publication number | Publication date |
|---|---|
| CN108101486B (en) | 2020-07-14 |
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