CN104291788A - High-strength hollow brick and preparation method thereof - Google Patents
High-strength hollow brick and preparation method thereof Download PDFInfo
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- CN104291788A CN104291788A CN201410503402.3A CN201410503402A CN104291788A CN 104291788 A CN104291788 A CN 104291788A CN 201410503402 A CN201410503402 A CN 201410503402A CN 104291788 A CN104291788 A CN 104291788A
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- hollow brick
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- strength hollow
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- 239000011464 hollow brick Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 claims abstract description 20
- 239000002699 waste material Substances 0.000 claims abstract description 20
- 239000003245 coal Substances 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 230000032683 aging Effects 0.000 claims abstract description 17
- 238000005245 sintering Methods 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 16
- 239000011449 brick Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 6
- -1 Boccaro shale Substances 0.000 claims description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 5
- 239000012634 fragment Substances 0.000 claims description 5
- 239000004571 lime Substances 0.000 claims description 5
- 230000003020 moisturizing effect Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000004567 concrete Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 15
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000004576 sand Substances 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 239000002250 absorbent Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- MCSXGCZMEPXKIW-UHFFFAOYSA-N 3-hydroxy-4-[(4-methyl-2-nitrophenyl)diazenyl]-N-(3-nitrophenyl)naphthalene-2-carboxamide Chemical group Cc1ccc(N=Nc2c(O)c(cc3ccccc23)C(=O)Nc2cccc(c2)[N+]([O-])=O)c(c1)[N+]([O-])=O MCSXGCZMEPXKIW-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/448—Sulphates or sulphites
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/606—Drying
-
- 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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a high-strength hollow brick, consisting of the following raw materials in parts by weight: 20-35 parts of construction waste, 10-20 parts of purple sand shale, 40-50 parts of coal gangue, 30-35 parts of phosphogypsum and 10-15 parts of water, the hollow brick is obtained by crushing, sealed ageing, blank making, drying and sintering, and the obtained hollow brick is strong in water absorption, good in fire prevention and heat preservation performances, high in compressive strength, excellent in comprehensive performance, meets the national standards, has wear resistance and seismic resistance, can be directly carried and stacked and is high in yield; the effects of energy conservation and emission reduction are achieved, thereby preventing environmental pollution and protecting the ecological environment; moreover, the high-strength hollow brick is simple in production process, convenient to make, short in production period, low in production cost and conducive to industrial mass production.
Description
Technical field
The present invention relates to material of construction production field, be specifically related to a kind of high strength hollow brick and preparation method thereof.
Background technology
Brickmaking industry is highly energy-consuming, high pollution, the industry of high cost source and low output, the emphasis that each Bricks and Tiles Plant can obtain local Environmental Protection Agency is looked after, present manufacture hollow brick can consume a large amount of resources, do not meet resource-effective principle, the sintering temperature of such as most of Bricks and Tiles Plant is about 1300-1400 DEG C, consume energy high, in order to address this problem, the engineering technical personnel of industry take a lot of measure, usually enterprise takes kiln to widen, the measure lengthened reaches energy-saving and cost-reducing object, to realize burning till fast, but aforesaid method needs enterprise to drop into a large amount of funds for transforming kiln, and the occupation of land space of kiln also can be subject to certain restrictions, realize difficult, and do not allow shoveling to bake bricks now, other substitute brickmaking are utilized now to add cement, cost is high, the hollow brick water-absorbent of baking bricks is not strong, not wear-resisting, withstand voltage, antidetonation, the demand of society can not be adapted to.
Summary of the invention
For solving the problem, the invention discloses a kind of high strength hollow brick and preparation method thereof, be that raw material is made with waste, water-absorbent is strong, withstand voltage, antidetonation, and shrinking percentage is little, and when baking bricks, energy consumption is few, and cost is low.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of high strength hollow brick, is made up of the raw material of following weight part: building waste 20-35 part, Boccaro shale 10-20 part, coal gangue 40-50 part, phosphogypsum 30-35 part, water 10-15 part.
A kind of high strength hollow brick, its concrete preparation method's step is as follows:
(1) use jaw crusher, hammer mill carry out break process respectively to building waste, Boccaro shale, coal gangue, phosphogypsum, and after broken, particle size controls at 2-6mm;
(2) electromagnetism is except iron block;
(3) mixture after step (2) is entered twin rollers by transfer roller and stir pulverizing, after pair roller, particle size controls at 1-4mm, adds water in pair roller process;
(4) compound after step (3) is entered ageing storehouse high pressure seal ageing 2-3 days by transfer roller, period spraying and moisturizing, keep temperature 25-30 DEG C, pressure 300-700KPa;
(5) enter brick press after being mixed by the raw material after step (4), add water by vacuumizing extruding and being cut into adobe, pile is on coaster;
(6) cool and send into drying shed after 3-10 hour and dry, 8-10 hour bake out temperature is 50-70 DEG C, 10-16 hour bake out temperature be 80-110 DEG C, 16-28 hour bake out temperature is 50-60 DEG C;
(7) sintering roasting in kilns is put in the adobe after step (6), maturing temperature is 850-950 DEG C, and roasting time is 2-3 hour, and storage period, 18-36 hour, took out after cooling.
As a modification of the present invention, described building waste is the mixture of cement block, fragment of brick, lime.
As a modification of the present invention, P in described phosphogypsum
2o
5content is 2-4%.
As a modification of the present invention, in described step (3), the mode of adding water is that spraying adds water, and amount of water is the 0.6-1% of mixture total weight amount.
As a modification of the present invention, the adobe water ratio after described step (5) is 17-20%.
As a modification of the present invention, it is 3-7% that described step (6) dries rear adobe water ratio.
The present invention is with coal gangue, building waste is that main raw material is to make hollow brick, production technique is simple, easy to make, ultimate compression strength is high, wear-resistant, production cost is low, coal gangue is the waste material after coal mining, building waste is cement block, fragment of brick, the mixture of lime, utilization of waste material, energy-conserving and environment-protective, when sintering in sintering oven, coal gangue can start spontaneous combustion after 700-800 DEG C of roasting temperature time is 2-3 hour, save the coal charge of roasting, decrease waste gas to discharge, and coal gangue spontaneous combustion in adobe, adobe can be sintered from the inside to surface thorough, there will not be the uneven cracking phenomena caused of sintering.
Oven dry of the present invention utilizes the preheating of sintering oven to carry out, save coal charge, for reducing production cost, described drying shed is 2, dry sintering and adopt " two baking one burnings, semi-stiff extrusion process " mode carry out, adobe after described step (5) all piles up on coaster, adobe is of a size of 300X190X190mm, a coaster can stack 10-15 layers of adobe, every layer 40-60, 16 holes are provided with in the middle of each adobe, each bore dia is 20mm, all coasters are dried respectively in 2 drying sheds, then the disposable roasting of sintering oven is all entered, without the need to adobe is stirred, direct pile is fired on coaster, reduce hand labor intensity, reduce production cost.
The present invention in step (4) to building waste, Boccaro shale, coal gangue, the mixture of phosphogypsum carries out sealing ageing, originally in its natural state ageing need 6-7 days can aquation and carry out ion-exchange, the performance of surface and inside is even, ageing of the present invention is at maintenance temperature 25-30 DEG C, give certain pressure, time only needs 2-3 days, and under the pressure of 300-700KPa aquation and ion-exchange carry out more abundant, improve the plasticity of raw material, can also redox reaction be accelerated. cause microorganism accelerates multiplication, make raw material evenly soft, and then reach increase plasticity, improve mobility and cementability, make raw material surface smooth, improve processability and the drying property of raw material, improve the quality of hollow brick, through the adobe raw material of high pressure ageing, the dry scrap rate of product can reduce 10%, sintering scrap rate can reduce 8%, plasticity index generally can improve 2-3, in ageing process, temperature is not less than 25 DEG C, winter production answers heating, spraying and moisturizing in ageing process, amount of water is the 0.6-1% of mixture total weight amount, guarantee that ageing can be carried out smoothly, produce a desired effect.
The particle size of mixture controls at 1-4mm by the present invention in step (3), and the thicker water-absorbent of particle is better, but hollow brick intensity reduces, sintering temperature is high, surface irregularity, and the thinner water-absorbent of particle is poor, but hollow brick intensity improves, reduce sintering temperature, surface is fine and smooth, controls particle size at 1-4mm whole structure best by practice, water-absorbent can either be ensured, have and can ensure hollow brick intensity, save energy, surface is not coarse.
A certain amount of Boccaro shale is added in raw material, due to half diagenesis of Boccaro shale to be a kind of with clay mineral be main ingredient, iron-holder is higher and containing the composition of a great deal of flour sand level, smash rear and coal gangue, the hollow brick that material of construction is made, solid, there are many small pores, can not be cracked because temperature sharply changes, again can not porcelain, hard not broken, there is comparatively strong absorptive, shrinking percentage is little, have wear-resisting, withstand voltage, acid and alkali-resistance, anti-aging several functions such as grade, be mixed with the hollow brick quality soft or hard appropriateness of Boccaro shale, pollution-free, be applicable to people to the requirement of hollow brick.
A certain amount of phosphogypsum is added in raw material, phosphogypsum is the byproduct producing phosphoric acid, produce 1 ton of phosphoric acid and can produce 5 tons of phosphogypsums, phosphogypsum is about 10% in the utilization ratio of China, the wasting of resources, sulfur-bearing in phosphogypsum, calcium, the elements such as magnesium, wherein in phosphogypsum, P2O5 content is 2-4%, through stirring of the present invention, ageing, extruding, dry, can as the retardant improving weather resistance after high-temperature roasting, improve the wear-resisting of hollow brick, withstand voltage, anti-seismic performance, make the excellent combination property of hollow brick, meet national standard, and can phosphogypsum be fully utilized.
A kind of high strength hollow brick of the present invention, color is deep red red, and hollow brick surface is complete, intact stupefied arrisdefect, and flawless, knocks sound micro-mute, without playing powder, falls to consider phenomenon to be worth doing.
Carry out Performance Detection to the hollow brick that the present invention produces, detected result is as follows: ultimate compression strength≤15.67Mpa, shrinkage value≤0.45mm/m, weight loss≤4.4%, frost resistance loss of strength≤18%, water-intake rate≤18%, and excellent combination property, meets national standard.
The invention has the beneficial effects as follows:
1. utilization of waste material, saving resource;
2. water-absorbent is strong, and ultimate compression strength is high, excellent combination property, meets national standard;
3. wear-resistant, can directly carry, pile, yield rate is high;
4. energy-saving and emission-reduction, prevent the pollution of the environment, ecological, environmental protective;
5. production technique is simple, and easy to make, with short production cycle, production cost is low, is conducive to mass industrialized production.
Embodiment
Embodiment 1
A kind of high strength hollow brick described in the present embodiment, is made up of the raw material of following weight part: building waste 32 parts, Boccaro shale 17 parts, coal gangue 42 parts, phosphogypsum 33 parts, 15 parts, water.
A kind of high strength hollow brick, its concrete preparation method's step is as follows:
(1) use jaw crusher, hammer mill carry out break process respectively to building waste, Boccaro shale, coal gangue, phosphogypsum, and after broken, particle size controls at 2-4mm;
(2) electromagnetism is except iron block;
(3) mixture after step (2) is entered twin rollers by transfer roller and stir pulverizing, after pair roller, particle size controls at 1-3mm, and spraying in pair roller process adds water, and amount of water is 0.8 % of mixture total weight amount;
(4) compound after step (3) is entered ageing storehouse high pressure seal ageing 3 days by transfer roller, period spraying and moisturizing, keep temperature 30 DEG C, pressure 500KPa;
(5) enter brick press after being mixed by the raw material after step (4), add water by vacuumizing extruding and being cut into adobe, pile is on coaster, and adobe water ratio is 19%;
(6) send into drying shed after cooling 8 hours to dry, within first 8 hours, bake out temperature is 70 DEG C, and middle 6 hours bake out temperatures are 110 DEG C, and within latter 9 hours, bake out temperature is 60 DEG C, and adobe water ratio is 5%;
(7) sintering roasting in kilns is put in the adobe after step (6), maturing temperature is 950 DEG C, and roasting time is 2 hours, 30 hours storage periods, takes out after cooling.
Building waste described in the present embodiment is the mixture of cement block, fragment of brick, lime.
P in phosphogypsum described in the present embodiment
2o
5content is 3%.
High strength hollow brick described in the present embodiment, color is deep red red, and hollow brick surface is complete, intact stupefied arrisdefect, and flawless, knocks sound micro-mute, without playing powder, falls to consider phenomenon to be worth doing.
The present embodiment performance test results is as follows: ultimate compression strength 15.43Mpa, shrinkage value 0.42mm/m, weight loss 4%, frost resistance loss of strength 15%, water-intake rate 18%, and excellent combination property, meets national standard.
Embodiment 2
A kind of high strength hollow brick described in the present embodiment, is made up of the raw material of following weight part: building waste 26 parts, Boccaro shale 15 parts, coal gangue 44 parts, phosphogypsum 31 parts, 13 parts, water.
A kind of high strength hollow brick described in the present embodiment, its concrete preparation method's step is as follows:
(1) use jaw crusher, hammer mill carry out break process respectively to building waste, Boccaro shale, coal gangue, phosphogypsum, and after broken, particle size controls at 2-5mm;
(2) electromagnetism is except iron block;
(3) mixture after step (2) is entered twin rollers by transfer roller and stir pulverizing, after pair roller, particle size controls at 2-4mm, adds water in pair roller process;
(4) compound after step (3) is entered ageing storehouse high pressure seal ageing 2 days by transfer roller, period spraying and moisturizing, keep temperature 27 DEG C, pressure 600Kpa, amount of water is 1% of mixture total weight amount;
(5) enter brick press after being mixed by the raw material after step (4), add water by vacuumizing extruding and being cut into adobe, pile is on coaster, and adobe water ratio is 18%;
(6) send into drying shed after cooling 3-10 hour to dry, within first 10 hours, bake out temperature is 60 DEG C, and middle 6 hours bake out temperatures are 100 DEG C, and within latter 10 hours, bake out temperature is 55 DEG C, and adobe water ratio is 3%;
(7) sintering roasting in kilns is put in the adobe after step (6), maturing temperature is 900 DEG C, and roasting time is 3 hours, 32 hours storage periods, takes out after cooling.
Building waste described in the present embodiment is the mixture of cement block, fragment of brick, lime.
P in phosphogypsum described in the present embodiment
2o
5content is 4%.
High strength hollow brick described in the present embodiment, color is deep red red, and hollow brick surface is complete, intact stupefied arrisdefect, and flawless, knocks sound micro-mute, without playing powder, falls to consider phenomenon to be worth doing.
The present embodiment performance test results is as follows: ultimate compression strength 15.67Mpa, shrinkage value 0.45mm/m, weight loss 4.4%, frost resistance loss of strength 18%, water-intake rate 16%, and excellent combination property, meets national standard.
Technique means disclosed in the present invention program is not limited only to the technique means disclosed in above-mentioned embodiment, also comprises the technical scheme be made up of above technical characteristic arbitrary combination.
Claims (7)
1. a high strength hollow brick, is characterized in that: be made up of the raw material of following weight part: building waste 20-35 part, Boccaro shale 10-20 part, coal gangue 40-50 part, phosphogypsum 30-35 part, water 10-15 part.
2. a preparation method for high strength hollow brick, is characterized in that: its concrete steps are as follows:
(1) use jaw crusher, hammer mill carry out break process respectively to building waste, Boccaro shale, coal gangue, phosphogypsum, and after broken, particle size controls at 2-6mm;
(2) electromagnetism is except iron block;
(3) mixture after step (2) is entered twin rollers by transfer roller and stir pulverizing, after pair roller, particle size controls at 1-4mm, adds water in pair roller process;
(4) compound after step (3) is entered ageing storehouse high pressure seal ageing 2-3 days by transfer roller, period spraying and moisturizing, keep temperature 25-30 DEG C, pressure 300-700KPa;
(5) enter brick press after being mixed by the raw material after step (4), add water by vacuumizing extruding and being cut into adobe, pile is on coaster;
(6) cool and send into drying shed after 3-10 hour and dry, 8-10 hour bake out temperature is 50-70 DEG C, 10-16 hour bake out temperature be 80-110 DEG C, 16-28 hour bake out temperature is 50-60 DEG C;
(7) sintering roasting in kilns is put in the adobe after step (6), maturing temperature is 850-950 DEG C, and roasting time is 2-3 hour, and storage period, 18-36 hour, took out after cooling.
3. a kind of high strength hollow brick according to claim 1, is characterized in that: described building waste is the mixture of cement block, fragment of brick, lime.
4. a kind of high strength hollow brick according to claim 1, is characterized in that: P in described phosphogypsum
2o
5content is 2-4%.
5. the preparation method of a kind of high strength hollow brick according to claim 2, is characterized in that: in described step (3), the mode of adding water is that spraying adds water, and amount of water is the 0.6-1% of mixture total weight amount.
6. the preparation method of a kind of high strength hollow brick according to claim 2, is characterized in that: the adobe water ratio after described step (5) is 17-20%.
7. the preparation method of a kind of high strength hollow brick according to claim 2, is characterized in that: it is 3-7% that described step (6) dries rear adobe water ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503402.3A CN104291788B (en) | 2014-09-28 | 2014-09-28 | A kind of high strength hollow brick and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410503402.3A CN104291788B (en) | 2014-09-28 | 2014-09-28 | A kind of high strength hollow brick and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104291788A true CN104291788A (en) | 2015-01-21 |
| CN104291788B CN104291788B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410503402.3A Active CN104291788B (en) | 2014-09-28 | 2014-09-28 | A kind of high strength hollow brick and preparation method thereof |
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| CN (1) | CN104291788B (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105948698A (en) * | 2016-04-06 | 2016-09-21 | 安徽宏发节能设备有限公司 | Sintered hollow clay brick for severe cold region and manufacturing method of sintered hollow clay brick |
| CN105948703A (en) * | 2016-04-06 | 2016-09-21 | 安徽宏发节能设备有限公司 | Corrosion-resistant sintered hollow clay brick and manufacturing method thereof |
| CN105967696A (en) * | 2016-04-06 | 2016-09-28 | 安徽宏发节能设备有限公司 | Fireproof fired clay hollow brick and preparation method thereof |
| CN105967640A (en) * | 2016-04-06 | 2016-09-28 | 安徽宏发节能设备有限公司 | High-strength fired clay hollow brick and preparation method thereof |
| CN106111661A (en) * | 2016-06-24 | 2016-11-16 | 福鼎市利民城市建筑垃圾处理有限公司 | A kind of refuse classification processing method |
| CN106145994A (en) * | 2015-04-10 | 2016-11-23 | 浙江浦江江合新型建筑材料有限公司 | A kind of method utilizing crystal solid waste shale coal gangue to produce porous shale sintered brick |
| CN106187272A (en) * | 2016-07-25 | 2016-12-07 | 滁州市瑞景园林建设有限公司 | A kind of crack resistence porous brick |
| CN106380179A (en) * | 2016-08-26 | 2017-02-08 | 安徽中扬新材科技有限公司 | Hollow brick strong in water absorbability, and preparation method thereof |
| CN106380180A (en) * | 2016-08-26 | 2017-02-08 | 安徽中扬新材科技有限公司 | High-strength hollow brick and preparation method thereof |
| CN106396612A (en) * | 2016-08-26 | 2017-02-15 | 安徽中扬新材科技有限公司 | Wear-resistant high-compressive-strength hollow brick, and preparation method thereof |
| CN107344846A (en) * | 2017-07-18 | 2017-11-14 | 合肥万之景门窗有限公司 | A kind of high-strength sintered structural clay tile and preparation method thereof |
| CN107382276A (en) * | 2017-08-14 | 2017-11-24 | 徐州市恒基伟业建材发展有限公司 | A kind of high intensity hollow brick and preparation method thereof |
| CN107500730A (en) * | 2017-09-21 | 2017-12-22 | 四川省三台县合强建材有限公司 | A kind of environment-friendly type hollow brick and preparation method thereof |
| CN107555943A (en) * | 2017-08-25 | 2018-01-09 | 长沙市望城区梅湖建材有限公司 | A kind of preparation method of light-duty porous shale brick |
| CN112094132A (en) * | 2020-08-31 | 2020-12-18 | 安徽康健新型建材有限公司 | Preparation method of environment-friendly coal gangue-based hollow brick |
| CN114230101A (en) * | 2021-12-20 | 2022-03-25 | 山东恒鑫生物科技有限公司 | Environment-friendly wastewater treatment process for fish skin gelatin |
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| CN102093011A (en) * | 2010-11-29 | 2011-06-15 | 司密花 | Burning-free block brick prepared from bulky industrial waste residues |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106145994A (en) * | 2015-04-10 | 2016-11-23 | 浙江浦江江合新型建筑材料有限公司 | A kind of method utilizing crystal solid waste shale coal gangue to produce porous shale sintered brick |
| CN105948698A (en) * | 2016-04-06 | 2016-09-21 | 安徽宏发节能设备有限公司 | Sintered hollow clay brick for severe cold region and manufacturing method of sintered hollow clay brick |
| CN105948703A (en) * | 2016-04-06 | 2016-09-21 | 安徽宏发节能设备有限公司 | Corrosion-resistant sintered hollow clay brick and manufacturing method thereof |
| CN105967696A (en) * | 2016-04-06 | 2016-09-28 | 安徽宏发节能设备有限公司 | Fireproof fired clay hollow brick and preparation method thereof |
| CN105967640A (en) * | 2016-04-06 | 2016-09-28 | 安徽宏发节能设备有限公司 | High-strength fired clay hollow brick and preparation method thereof |
| CN106111661A (en) * | 2016-06-24 | 2016-11-16 | 福鼎市利民城市建筑垃圾处理有限公司 | A kind of refuse classification processing method |
| CN106187272A (en) * | 2016-07-25 | 2016-12-07 | 滁州市瑞景园林建设有限公司 | A kind of crack resistence porous brick |
| CN106380180A (en) * | 2016-08-26 | 2017-02-08 | 安徽中扬新材科技有限公司 | High-strength hollow brick and preparation method thereof |
| CN106380179A (en) * | 2016-08-26 | 2017-02-08 | 安徽中扬新材科技有限公司 | Hollow brick strong in water absorbability, and preparation method thereof |
| CN106396612A (en) * | 2016-08-26 | 2017-02-15 | 安徽中扬新材科技有限公司 | Wear-resistant high-compressive-strength hollow brick, and preparation method thereof |
| CN107344846A (en) * | 2017-07-18 | 2017-11-14 | 合肥万之景门窗有限公司 | A kind of high-strength sintered structural clay tile and preparation method thereof |
| CN107382276A (en) * | 2017-08-14 | 2017-11-24 | 徐州市恒基伟业建材发展有限公司 | A kind of high intensity hollow brick and preparation method thereof |
| CN107555943A (en) * | 2017-08-25 | 2018-01-09 | 长沙市望城区梅湖建材有限公司 | A kind of preparation method of light-duty porous shale brick |
| CN107500730A (en) * | 2017-09-21 | 2017-12-22 | 四川省三台县合强建材有限公司 | A kind of environment-friendly type hollow brick and preparation method thereof |
| CN112094132A (en) * | 2020-08-31 | 2020-12-18 | 安徽康健新型建材有限公司 | Preparation method of environment-friendly coal gangue-based hollow brick |
| CN114230101A (en) * | 2021-12-20 | 2022-03-25 | 山东恒鑫生物科技有限公司 | Environment-friendly wastewater treatment process for fish skin gelatin |
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