CN109678466A - A kind of preparation method of copper tailing sintering brick permeable to water - Google Patents
A kind of preparation method of copper tailing sintering brick permeable to water Download PDFInfo
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- CN109678466A CN109678466A CN201910062624.9A CN201910062624A CN109678466A CN 109678466 A CN109678466 A CN 109678466A CN 201910062624 A CN201910062624 A CN 201910062624A CN 109678466 A CN109678466 A CN 109678466A
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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
- 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
- C04B33/138—Waste materials; Refuse; Residues from metallurgical processes, e.g. slag, furnace dust, galvanic waste
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/1305—Organic additives
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/131—Inorganic additives
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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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/1315—Non-ceramic binders
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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
- C04B38/0003—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof containing continuous channels, e.g. of the "dead-end" type or obtained by pushing bars in the green ceramic product
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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
- 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
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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
- 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
- C04B2235/6562—Heating rate
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
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- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a kind of copper tailing sintering brick permeable to water and preparation method thereof, the mass percentage composition of copper tailing sintering brick permeable to water of the present invention are as follows: 50%~60% copper tailing, 30%~35% shale, 10%~20% gypsum, 0.2%~1% water-reducing agent, 0.009%~0.0105% retarder；Water-permeable brick is prepared by disclosed preparation method；The present invention prepares water-permeable brick by primary raw material of copper tailing, can dissolve copper tailing in large quantities, eliminates the adverse effect factor in ecological environment, with good economic efficiency and social benefit.Water-permeable brick waste residue utilization rate of the present invention is high, intensity is high, coefficient of permeability is high, be not easy to plug, long service life, freeze-thaw resistance are good, non-skid property is good.
Description
Technical field
The present invention relates to a kind of copper tailing sintering brick permeable to water and preparation method thereof, belong to copper tailing resource utilization field.
Background technique
In China, the trade wastes such as a large amount of copper tailing are accumulated, the heap of copper tailing with the development of the industrialization of the country
Not only land occupation, pollution environment expend a large amount of manpower and material resources, and very big harm and shadow are caused to local environment to product
It rings.It is encouraged in many ways through relevant department, increases resource of tailings comprehensive utilization.Although have to the valuable metal ingredient in copper tailing into
Row sort again, or using copper tailing prepare the technological achievements such as New Building Materials occur, but at present there are still the problem of be:
Copper tailings comprehensive utilization rate is not high, while causing the serious wasting of resources, brings huge economic pressure to society and environment
Power and security risk.The current copper tailing storage in China is huge, how to dissolve these deposits, carry out copper tailing again using being
The vital task of China's previous cycle economy.
Seepy material is the important component of sponge urban construction, can solve the city that a part of China faces at this stage
The problem of city's rainwater is discongested and is utilized.With the development of society and the construction in sponge city, various water-permeable bricks occur in succession.It is permeable
Brick is the construction material that a kind of porosity is high, water penetration is strong, if as water-permeable pavement pavement material, it is good
Aqueous, gas permeability and moisture retention, so that it may rain penetration to underground, can achieve the effect that rain stops doing, can be effectively relieved hard
Change negative effect of the road surface to groundwater resources.Inventor is to utilize and dissolve copper tailing as starting point, according to the spy of copper tailing
Point has developed a kind of water penetration well while meeting the novel water permeable brick of the index requests such as road surface hardness.
Summary of the invention
The purpose of the present invention is to provide a kind of copper tailing sintering brick permeable to water and preparation method thereof.
The mass percentage composition of water-permeable brick of the present invention are as follows: 50%~60% copper tailing, 30%~35% shale, 10%~
20% gypsum, 0.2%~1% water-reducing agent, 0.009%~0.0105% retarder.
Water-permeable brick of the present invention is prepared by following methods, comprising steps of
1) each ingredient is taken by following mass percents；Copper tailing: shale: gypsum: water-reducing agent: retarder=50%~
60%:30%~35%:10%~20%:0.2%~1%:0.009%~0.0105%；And ingredient is placed in blender
It is uniformly mixed, obtains mixture；
2) water of mixture quality 20% is added into blender, is uniformly mixed；Gained mixture is poured into 240mm
In × 115mm × 53mm mold, vibrate 2 minutes on a vibration table, smooth out surface；Obtain molded product；
3) under room temperature, stop 1~2 hour for molded product band mould is quiet, then on it with the steel needle that diameter is 2~5mm
Carry out pore-creating；
4) after the completion of pore-creating, continue by its it is quiet at room temperature stop 1~2 hour, demould later；
5) molded product after demoulding is placed in 60 DEG C of drying box continuous drying 24 hours；It is then placed in electric furnace and presses
It states calcining system to be sintered, obtains copper tailing sintering brick permeable to water；
Calcining system sequentially includes the following steps:
Green body is risen to 200 DEG C from room temperature with the heating rate of 10 DEG C/min and keeps the temperature 20 minutes, then with the liter of 4 DEG C/min
Warm speed rises to 600 DEG C, finally rises to 1100~1120 DEG C with the heating rate of 5 DEG C/min and keeps the temperature 90~150 minutes.
In order to obtain better effect and properties of product, preferably:
Copper tailing fineness in step 1) is 200 mesh.
Shale fineness in step 1 is 200 mesh.
The water-reducing agent of step 1) is the third generation lignin water reducer of water-reducing rate 24%.
Retarder in step 1) is sodium citrate retarder.
The steel needle diameter of step 3) is 2mm.
The advantages of the present invention:
The present invention prepares water-permeable brick by primary raw material of copper tailing, can dissolve copper tailing in large quantities, eliminates ecological environment
In adverse effect factor, turn waste into wealth simultaneously, with good economic efficiency and social benefit.
Compared with traditional concrete permeable brick, product of the present invention has intensity height, coefficient of permeability height, is not easy to plug, makes
The advantages that with service life length, beauty；Compared with ordinary sinter water-permeable brick, product of the present invention has waste residue utilization rate height, coefficient of permeability
It is high, be not easy to plug, the advantages that long service life, skid resistance are good, freeze-thaw resistance is good.
Specific embodiment
To facilitate the understanding of the present invention, the present invention is described in further details below in conjunction with embodiment, but described interior
Appearance does not limit the present invention.
Embodiment 1
Each material is taken by following mass ratioes.Copper tailing: shale: gypsum: water-reducing agent: retarder=60%:30%:10%:
0.8%:0.009%
Whole materials are put into blender, are uniformly mixed；Mixture quality 20% is added into blender again
Water simultaneously continues to be uniformly mixed, and obtains mixture.Mixture is uniformly poured into 240mm × 115mm × 53mm mold, is being vibrated
It vibrates 2 minutes, removes and smooth out surface on platform, mould is quiet stops 1~2 hour for band at room temperature, then carries out pore-creating with 2mm steel needle；
After completing pore-creating, continuation is quiet at room temperature to stop 1~2 hour, then demoulds.Demoulding sample is placed in 60 DEG C of drying box continuously
24 hours dry, be then placed in electric furnace, be sintered according to following calcining systems: green body is from room temperature with the heating of 10 DEG C/min
Speed rises to 200 DEG C and keeps the temperature 20 minutes, then 600 DEG C is risen to the heating rate of 4 DEG C/min, finally with the heating of 5 DEG C/min
Speed rises to 1100 DEG C and keeps the temperature 90 minutes；Cooled to room temperature later obtains water-permeable brick of the present invention.
The test result of gained water-permeable brick are as follows: water permeability coefficient of water permeable brick 3.3 × 10-2Cm/s, compression strength 36.2MPa, 25
Compression strength after secondary Frozen-thawed cycled is 30.6MPa.
Embodiment 2
Each material is taken by following mass ratioes.Copper tailing: shale: gypsum: water-reducing agent: retarder=55%:30%:15%:
1%:0.01%.
It is operated later according to embodiment 1, obtains water-permeable brick of the present invention.
The test result of gained water-permeable brick are as follows: coefficient of permeability 3.4 × 10-2Cm/s, compression strength 36.8MPa, 25 freeze thawing
Compression strength after circulation is 30.9MPa.
Embodiment 3
Each material is taken by following mass ratioes；Copper tailing: shale: gypsum: water-reducing agent: retarder=55%:30%:15%:
0.8%:0.01%.
Calcining system are as follows: from room temperature with the heating rate of 10 DEG C/min rise to 200 DEG C keep the temperature 20 minutes, then with 4 DEG C/
The heating rate of min rises to 600 DEG C, finally rises to 1120 DEG C with the heating rate of 5 DEG C/min and keeps the temperature 150 minutes.
Remaining is operated according to embodiment 1, obtains water-permeable brick of the present invention.
The test result of gained water-permeable brick are as follows: coefficient of permeability 3.2 × 10-2Cm/s, compression strength 37.1MPa, 25 freeze thawing
Compression strength after circulation is 31.1MPa.
Claims (7)
1. a kind of copper tailing sintering brick permeable to water, it is characterised in that its mass percentage composition are as follows: 50%~60% copper tailing, 30%
~35% shale, 10%~20% gypsum, 0.2%~1% water-reducing agent, 0.009%~0.0105% retarder.
2. a kind of preparation method of copper tailing sintering brick permeable to water as described in claim 1, it is characterised in that comprising steps of
1) each ingredient is taken by the mass ratio；Copper tailing: shale: gypsum: water-reducing agent: retarder=50%~60%:30%~
35%:10%~20%:0.2%~1%:0.009%~0.0105%；And it is equal that whole ingredients are placed in stirrer for mixing
It is even, obtain mixture；
2) water of mixture quality 20% is added into blender, is uniformly mixed；By gained mixture pour into 240mm ×
In 115mm × 53mm mold, vibrate 2 minutes on a vibration table, smooth out surface；Obtain molded product；
3) under room temperature, stop 1~2 hour for molded product band mould is quiet, then carried out on it with the steel needle that diameter is 2~5mm
Pore-creating；
4) after the completion of pore-creating, continue that mould is quiet at room temperature stops 1~2 hour by molded product band, demould later；
5) molded product after demoulding is placed in 60 DEG C of drying box continuous drying 24 hours；It is then placed in electric furnace by following burnings
It is sintered at system, obtains copper tailing sintering brick permeable to water；
Calcining system sequentially includes the following steps:
Green body is risen to 200 DEG C from room temperature with the heating rate of 10 DEG C/min and keeps the temperature 20 minutes, then with the heating speed of 4 DEG C/min
Degree rises to 600 DEG C, finally rises to 1100~1120 DEG C with the heating rate of 5 DEG C/min and keeps the temperature 90~150 minutes.
3. a kind of preparation method of copper tailing sintering brick permeable to water as claimed in claim 2, it is characterised in that the copper in step 1)
Tailing fineness is 200 mesh.
4. a kind of preparation method of copper tailing sintering brick permeable to water as claimed in claim 2, it is characterised in that the shale in step 1
Fineness is 200 mesh.
5. a kind of preparation method of copper tailing sintering brick permeable to water as claimed in claim 2, it is characterised in that the diminishing of step 1)
Agent is the third generation lignin water reducer of water-reducing rate 24%.
6. a kind of preparation method of copper tailing sintering brick permeable to water as claimed in claim 2, it is characterised in that slow in step 1)
Solidifying agent is sodium citrate retarder.
7. a kind of preparation method of copper tailing sintering brick permeable to water as claimed in claim 2, it is characterised in that the steel needle of step 3)
Diameter is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910062624.9A CN109678466A (en) | 2019-01-23 | 2019-01-23 | A kind of preparation method of copper tailing sintering brick permeable to water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910062624.9A CN109678466A (en) | 2019-01-23 | 2019-01-23 | A kind of preparation method of copper tailing sintering brick permeable to water |
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| CN109678466A true CN109678466A (en) | 2019-04-26 |
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| CN201910062624.9A Pending CN109678466A (en) | 2019-01-23 | 2019-01-23 | A kind of preparation method of copper tailing sintering brick permeable to water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117285331A (en) * | 2023-11-22 | 2023-12-26 | 秦皇岛创亿建材有限公司 | High-strength high-water-permeability water permeable brick and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102924113A (en) * | 2012-11-09 | 2013-02-13 | 中南大学 | Copper mine tailing slag porous ceramic material and preparation method thereof |
| CN104072111A (en) * | 2013-03-29 | 2014-10-01 | 北京市理化分析测试中心 | Preparation method of aluminium oxide honeycomb ceramics |
| CN108585788A (en) * | 2017-12-22 | 2018-09-28 | 广东科达洁能股份有限公司 | It is a kind of to use the sintering brick permeable to water and preparation method thereof for smelting tailing production |
-
2019
- 2019-01-23 CN CN201910062624.9A patent/CN109678466A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102924113A (en) * | 2012-11-09 | 2013-02-13 | 中南大学 | Copper mine tailing slag porous ceramic material and preparation method thereof |
| CN104072111A (en) * | 2013-03-29 | 2014-10-01 | 北京市理化分析测试中心 | Preparation method of aluminium oxide honeycomb ceramics |
| CN108585788A (en) * | 2017-12-22 | 2018-09-28 | 广东科达洁能股份有限公司 | It is a kind of to use the sintering brick permeable to water and preparation method thereof for smelting tailing production |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117285331A (en) * | 2023-11-22 | 2023-12-26 | 秦皇岛创亿建材有限公司 | High-strength high-water-permeability water permeable brick and preparation method thereof |
| CN117285331B (en) * | 2023-11-22 | 2024-01-23 | 秦皇岛创亿建材有限公司 | High-strength high-water-permeability water permeable brick and preparation method thereof |
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Application publication date: 20190426 |