CN108516857A - A kind of cyanidation tailings high-strength ceramic granule and preparation method thereof - Google Patents
A kind of cyanidation tailings high-strength ceramic granule and preparation method thereof Download PDFInfo
- Publication number
- CN108516857A CN108516857A CN201810656387.4A CN201810656387A CN108516857A CN 108516857 A CN108516857 A CN 108516857A CN 201810656387 A CN201810656387 A CN 201810656387A CN 108516857 A CN108516857 A CN 108516857A
- Authority
- CN
- China
- Prior art keywords
- cyanidation tailings
- tailings
- cyanidation
- strength ceramic
- ceramic granule
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
- C04B38/063—Preparing or treating the raw materials individually or as batches
- C04B38/0635—Compounding ingredients
- C04B38/0645—Burnable, meltable, sublimable materials
- C04B38/0675—Vegetable refuse; Cellulosic materials, e.g. wood chips, cork, peat, paper
-
- 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
-
- 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
- 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
-
- 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
- C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
-
- 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
- C04B2235/447—Phosphates or phosphites, e.g. orthophosphate, hypophosphite
-
- 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
- C04B2235/6567—Treatment time
-
- 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
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/661—Multi-step sintering
-
- 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
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- 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
-
- 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
Abstract
The present invention provides a kind of cyanidation tailings high-strength ceramic granules, are mainly prepared by the raw material of following mass percent：Cyanidation tailings 50% ~ 60%, iron tailings 5% ~ 10%, rare-earth tailing 15% ~ 20%, sawdust 12% ~ 18%, aluminium dihydrogen phosphate 2% ~ 8%.The present invention is using cyanidation tailings as primary raw material, it derives from a wealth of sources, is at low cost, both problem of environmental pollution caused by having solved cyanidation tailings stockpiling, make cyanidation tailings obtain recycling simultaneously rationally to utilize, improve resource utilization, reduces cyanidation tailings and take up an area, manufactured haydite intensity is high, strong adsorption, water absorption rate is low, meets《Hazardous waste judging standard leaching characteristic identification》Toxicity as defined in GB5085.3-2007, which leaches, to be required.
Description
Technical field
The present invention relates to solid wastes to utilize field of environment protection, specifically a kind of cyanidation tailings high-strength ceramic granule and preparation method thereof.
Background technology
Cyanidation tailings are that gold smelting contains acidity, alkalinity, toxicity, radiation using what extraction of gold by cyanidation technique generated in the process
The metallurgical slag of property or heavy metal component.Production technology based on cyaniding, which produces 1 ton of gold, will discharge ten thousand tons of cyanidings of 2.5-3
Slag, ten thousand tons of China year total release 750-900, until accumulation volume of cargo in storage more than 100,000,000 tons, arrange by wherein refined gold ore cyaniding slag year at present
5,000,000 tons or more are high-volume up to, and keeps 10% or more increment, is main large Industrial Solid Waste of China's gold industry.
Cyanidation tailings also contain the valuable elements such as a certain amount of Fe, S, Cu, Pb, Zn, Sb, Si other than containing low-grade gold, silver.Though
The property of valuable metal element and mineral, type, content are different in right tailings, but tailings has some main common spies
Point：Mineral granularity is superfine, and argillization phenomenon is serious, and containing a large amount of shale gangue minerals, mineral composition is complicated, and usually contains and be more than
The CN of National Industrial waste sludge discharge standard-Medicament is polluted with portion of residual.Existing research generally by flotation extract Fe therein,
S, the valuable components such as Cu, Pb, Zn, but extract and still contain a large amount of beneficiation reagent and organic toxicity in the tailings after valuable component
Substance, can not normal discharge, for many years due to polluting and taking up an area, cannot disappear well including before extraction containing golden tailing
It receives, has not only formd to soil, water source, the occupancy of air and pollution, but also seriously affected personal safety and the hair of its surrounding area
Exhibition, is industry general character problem urgently to be resolved hurrily.
Mainly there is the process of dangerous fixed-end forces in the country at present：Solidification, security landfill, soil surface treatment are (with soil
Mix natural degradation), high temperature incineration, pyrolysismethod (being mainly used for organic matter), sea disposal (being burned for ocean dumping and ocean),
Chemical treatment etc..For this dangerous solid waste of cyanidation tailings, the costs such as solidification, landfill, high temperature incineration in these methods are equal
Very high, the profit of gold smelting enterprise is natively very meagre, and smelting enterprise is difficult to implement；Contain heavy metal in cyanidation tailings,
It is unable to natural degradation, it is therefore, also infeasible with soil mixed degradation method；Only chemical treatment method is contemplated that.But at present I
State's gold smelting industry recommend not yet effective, wide adaptation, technology maturation, economically viable tailings it is harmless
Change technical method.
Gold smelting industry to the disposition main stream approach of cyanidation tailings is faced in designing dangerous solid waste Tailings Dam at present
When stockpiling or export trade to qualified cement plant handle, production cement.It is qualified because containing hypertoxic cyanide in cyanidation tailings
Cement plant is extremely limited to this demand.
There are some with the method for golden tailing baking ceramsite at present.But it is had the following disadvantages in these methods：(1) patent CN
The use of rock type gold tailing is that raw material produces haydite, the volume of the coal dust in Ceramsite formula is on 10% left side in 102503366A
The right side, therefore the cost of material of this haydite is very high.(2) in patent document CN 102503366A, rock type gold tailing is used
Haydite is produced for raw material, other than the volume of coal dust needs satisfaction 8%~10%, the ceramsite sintering time is generally partially long, generally exists
2-2.5 hour；Long-time high-temperature firing greatly enhances energy consumption, increases production cost.(3) patent document CN
In 101580349A, the use of rock type gold tailing and flyash is that raw material produces haydite, is used during feedstock processing
To other chemical agents, this operation improves production cost while reducing scheme operability.
As it can be seen that it is existing gold tailing haydite producing technology be directed to be cyaniding processing before tailing, do not contain cyanide, such as
How cyanidation tailings are primary raw material, and the component prescription of reasonable design, the excellent high-strength ceramic granule of processability is patent of the present invention
The technical issues that need to address.
Invention content
Invention is designed to provide a kind of cyanidation tailings high-strength ceramic granule and preparation method thereof, to solve above-mentioned background technology
The problem of.
The technical proposal of the invention is realized in this way：
A kind of cyanidation tailings high-strength ceramic granule, is mainly prepared by the raw material of following mass percent：Cyanidation tailings 50% ~ 60%,
Iron tailings 5% ~ 10%, rare-earth tailing 15% ~ 20%, sawdust 12% ~ 18%, aluminium dihydrogen phosphate 2% ~ 8%.
Preferably, cyanidation tailings high-strength ceramic granule of the present invention, is mainly prepared by the raw material of following mass percent：
Cyanidation tailings 50%, iron tailings 10%, rare-earth tailing 20%, sawdust 18%, aluminium dihydrogen phosphate 2%.
Preferably, cyanidation tailings high-strength ceramic granule of the present invention, is mainly prepared by the raw material of following mass percent：
Cyanidation tailings 55%, iron tailings 7%, rare-earth tailing 18%, sawdust 15%, aluminium dihydrogen phosphate 5%.
Preferably, iron cyanidation tailings high-strength ceramic granule of the present invention, mainly by the raw material of following mass percent prepare and
At：Cyanidation tailings 60%, iron tailings 5%, rare-earth tailing 15%, sawdust 12%, aluminium dihydrogen phosphate 8%.
Preferably, the cyanidation tailings fineness is that -0.044mm accounts for 90% or more.
Preferably, the iron tailings fineness -0.074mm accounts for 85% or more, TFe35% or more.
Preferably, the rare-earth tailing fineness is less than 0.2mm, predominantly clay minerals.
A kind of cyanidation tailings high-strength ceramic granule preparation method Preparation Method, includes the following steps：
（1）By weight percent by each component raw material：Cyanidation tailings 50% ~ 60%, iron tailings 5% ~ 10%, rare-earth tailing 15% ~ 20%,
Sawdust 12% ~ 18%, aluminium dihydrogen phosphate 2% ~ 8% are uniformly mixed, obtain mixture；
（2）By step（1）Mixture is added in biaxial rneader, and 35% ~ 45% water of mixture total mass is added, and carries out closed stir
Mix 20min ~ 30min；
（3）By step（2）The material stirred evenly is sent into dry kiln and is dried, by dry materials to moisture content 15% ~ 20%；
（4）By step（3）Material is sent into comminutor and is granulated after drying, obtains grain size 5mm shaped granules；
（5）By step（4）Shaped granule is sent into rotary kiln and is warming up to 80 DEG C ~ 100 DEG C, and keeps the temperature 40min ~ 60min, continues to heat up
To 900 DEG C ~ 1000 DEG C, 30min ~ 50min is kept the temperature, is finally increased to 1250 DEG C ~ 1300 DEG C, keeps the temperature 90min ~ 120min；
（6）By step（5）The qualified haydite of roasting is sent into cooling kiln and is cooled down, and is drawn off after being down to 60 DEG C；
（7）By step（6）It draws off haydite and obtains qualified cyanidation tailings high-strength ceramic granule finished product after screening.
Preferably, the step（3）Drying source is the flue gas of rotary kiln.
Beneficial effects of the present invention are：
1, the present invention is roasted by three sections of heatings, and to dry moisture, second segment heats up that sawdust is made to fill for first segment heating
Divided combustion or decomposition, form micron and nano-pore inside shaped granule, and third section heats up so as to the Fe in iron tailings2O3/
Fe3O4The carbonizable substance for being reduced to metallic iron, and being generated after promoting a part of metallic iron and sawdust to burn or decompose reacts generation
Fe3C, Fe/C and Fe/Fe3C will produce double galvanic effects, improve haydite absorption property, and in entire roasting process, CN-
With O2、H2O reactions generate CO2And N2, cyanide noxious material is made to be burnt into innocuous substance, while the CO generated2And N2It can promote to make pottery
Intragranular portion forms more microns and nano-pore, further increases the absorption property of haydite；
2, the present invention derives from a wealth of sources using cyanidation tailings as primary raw material, is at low cost, caused by both having solved cyanidation tailings stockpiling
Problem of environmental pollution, while so that cyanidation tailings is obtained recycling and rationally utilizing, resource utilization is improved, cyanidation tailings is reduced and accounts for
Ground, manufactured haydite intensity is high, and strong adsorption, water absorption rate is low, meets《Hazardous waste judging standard-leaching characteristic identification》GB
Toxicity as defined in 5085.3-2007, which leaches, to be required.
Specific implementation mode
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that implement describedly
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
The every other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
A kind of cyanidation tailings high-strength ceramic granule is present embodiments provided, is mainly prepared by the raw material of following mass percent：Cyanogen
Change tailings 50%, iron tailings 10%, rare-earth tailing 20%, sawdust 18%, aluminium dihydrogen phosphate 2%.
A kind of cyanidation tailings high-strength ceramic granule preparation method, includes the following steps：
（1）By weight percent by each component raw material：Cyanidation tailings 50%, iron tailings 10%, rare-earth tailing 20%, sawdust 18%, phosphorus
Acid dihydride aluminium 2% is uniformly mixed, obtains mixture；
（2）By step（1）Mixture is added in biaxial rneader, and 35% water of mixture total mass is added, carries out closed stirring
30min；
（3）By step（2）The material stirred evenly is sent into dry kiln and is dried, and drying source is the flue gas of rotary kiln, by object
Material is dry to moisture content 15%；
（4）By step（3）Material is sent into comminutor and is granulated after drying, obtains grain size 5mm shaped granules；
（5）By step（4）Shaped granule is sent into rotary kiln and is warming up to 80 DEG C, and keeps the temperature 60min, is continuously heating to 900 DEG C, heat preservation
50min is finally increased to 1250 DEG C, keeps the temperature 120min；
（6）By step（5）The qualified haydite of roasting is sent into cooling kiln and is cooled down, and is drawn off after being down to 60 DEG C；
（7）By step（6）It draws off haydite and obtains qualified cyanidation tailings high-strength ceramic granule finished product after screening.
Embodiment 2
A kind of cyanidation tailings high-strength ceramic granule is present embodiments provided, is mainly prepared by the raw material of following mass percent：Cyanogen
Change tailings 55%, iron tailings 7%, rare-earth tailing 18%, sawdust 15%, aluminium dihydrogen phosphate 5%.
A kind of cyanidation tailings high-strength ceramic granule preparation method, includes the following steps：
（1）By weight percent by each component raw material：Cyanidation tailings 55%, iron tailings 7%, rare-earth tailing 18%, sawdust 15%, phosphoric acid
Aluminum dihydrogen 5% is uniformly mixed, obtains mixture；
（2）By step（1）Mixture is added in biaxial rneader, and 40% water of mixture total mass is added, carries out closed stirring
25min；
（3）By step（2）The material stirred evenly is sent into dry kiln and is dried, and drying source is the flue gas of rotary kiln, by object
Material is dry to moisture content 17%；
（4）By step（3）Material is sent into comminutor and is granulated after drying, obtains grain size 5mm shaped granules；
（5）By step（4）Shaped granule is sent into rotary kiln and is warming up to 90 DEG C, and keeps the temperature 50min, is continuously heating to 950 DEG C, heat preservation
40min is finally increased to 1275 DEG C, keeps the temperature 110min；
（6）By step（5）The qualified haydite of roasting is sent into cooling kiln and is cooled down, and is drawn off after being down to 60 DEG C；
（7）By step（6）It draws off haydite and obtains qualified cyanidation tailings high-strength ceramic granule finished product after screening.
Embodiment 3
A kind of cyanidation tailings high-strength ceramic granule is present embodiments provided, is mainly prepared by the raw material of following mass percent：Cyanogen
Change tailings 60%, iron tailings 5%, rare-earth tailing 15%, sawdust 12%, aluminium dihydrogen phosphate 8%.
A kind of cyanidation tailings high-strength ceramic granule preparation method, includes the following steps：
（1）By weight percent by each component raw material：Cyanidation tailings 60%, iron tailings 5%, rare-earth tailing 15%, sawdust 12%, phosphoric acid
Aluminum dihydrogen 8% is uniformly mixed, obtains mixture；
（2）By step（1）Mixture is added in biaxial rneader, and 45% water of mixture total mass is added, carries out closed stirring
20min；
（3）By step（2）The material stirred evenly is sent into dry kiln and is dried, and drying source is the flue gas of rotary kiln, by object
Material is dry to moisture content 20%；
（4）By step（3）Material is sent into comminutor and is granulated after drying, obtains grain size 5mm shaped granules；
（5）By step（4）Shaped granule is sent into rotary kiln and is warming up to 100 DEG C, and keeps the temperature 40min, is continuously heating to 1000 DEG C, protects
Warm 30min is finally increased to 1300 DEG C, keeps the temperature 90min；
（6）By step（5）The qualified haydite of roasting is sent into cooling kiln and is cooled down, and is drawn off after being down to 60 DEG C；
（7）By step（6）It draws off haydite and obtains qualified cyanidation tailings high-strength ceramic granule finished product after screening.
Cyanidation tailings high-strength ceramic granule made from above-described embodiment 1-3 is tested for the property and toxicity leaches detection, inspection
It is as follows to survey result：
| Water absorption rate/% | Cylindrical compress strength/MPa | Bulk density/kgm3 | Cyanide Leaching/mgL-1 | |
| Former cyanidation tailings | 85 | |||
| Embodiment 1 | 2.2 | 8.2 | 703 | 1.8 |
| Embodiment 2 | 1.9 | 8.5 | 721 | 2.0 |
| Embodiment 3 | 1.5 | 8.8 | 732 | 2.3 |
By the testing result of upper table it is found that haydite intensity made from embodiment 1-3 is high, strong adsorption, water absorption rate is low, meets《Danger
Dangerous waste judging standard-leaching characteristic identification》Toxicity as defined in GB 5085.3-2007, which leaches, to be required.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (9)
1. a kind of cyanidation tailings high-strength ceramic granule, is mainly prepared by the raw material of following mass percent：Cyanidation tailings 50% ~
60%, iron tailings 5% ~ 10%, rare-earth tailing 15% ~ 20%, sawdust 12% ~ 18%, aluminium dihydrogen phosphate 2% ~ 8%.
2. cyanidation tailings high-strength ceramic granule according to claim 1, which is characterized in that mainly by the original of following mass percent
Material is prepared：Cyanidation tailings 50%, iron tailings 10%, rare-earth tailing 20%, sawdust 18%, aluminium dihydrogen phosphate 2%.
3. cyanidation tailings high-strength ceramic granule according to claim 1, which is characterized in that mainly by the original of following mass percent
Material is prepared：Cyanidation tailings 55%, iron tailings 7%, rare-earth tailing 18%, sawdust 15%, aluminium dihydrogen phosphate 5%.
4. cyanidation tailings high-strength ceramic granule according to claim 1, which is characterized in that mainly by the original of following mass percent
Material is prepared：Cyanidation tailings 60%, iron tailings 5%, rare-earth tailing 15%, sawdust 12%, aluminium dihydrogen phosphate 8%.
5. the cyanidation tailings high-strength ceramic granule according to any one of claim 1-4, which is characterized in that the cyanidation tailings are thin
Degree is that -0.044mm accounts for 90% or more.
6. the cyanidation tailings high-strength ceramic granule according to any one of claim 1-4, which is characterized in that the iron tailings is thin
Degree -0.074mm accounts for 85% or more, TFe35% or more.
7. the cyanidation tailings high-strength ceramic granule according to any one of claim 1-4, which is characterized in that the rare-earth tailing is thin
Degree is less than 0.2mm, predominantly clay minerals.
8. a kind of cyanidation tailings high-strength ceramic granule preparation method, includes the following steps：
（1）By weight percent by each component raw material：Cyanidation tailings 50% ~ 60%, iron tailings 5% ~ 10%, rare-earth tailing 15% ~ 20%,
Sawdust 12% ~ 18%, aluminium dihydrogen phosphate 2% ~ 8% are uniformly mixed, obtain mixture；
（2）By step（1）Mixture is added in biaxial rneader, and 35% ~ 45% water of mixture total mass is added, and carries out closed stir
Mix 20min ~ 30min；
（3）By step（2）The material stirred evenly is sent into dry kiln and is dried, by dry materials to moisture content 15% ~ 20%；
（4）By step（3）Material is sent into comminutor and is granulated after drying, obtains grain size 5mm shaped granules；
（5）By step（4）Shaped granule is sent into rotary kiln and is warming up to 80 DEG C ~ 100 DEG C, and keeps the temperature 40min ~ 60min, continues to heat up
To 900 DEG C ~ 1000 DEG C, 30min ~ 50min is kept the temperature, is finally increased to 1250 DEG C ~ 1300 DEG C, keeps the temperature 90min ~ 120min；
（6）By step（5）The qualified haydite of roasting is sent into cooling kiln and is cooled down, and is drawn off after being down to 60 DEG C；
（7）By step（6）It draws off haydite and obtains qualified cyanidation tailings high-strength ceramic granule finished product after screening.
9. cyanidation tailings high-strength ceramic granule preparation method according to claim 8, which is characterized in that the step（3）It is dry
Heat source is the flue gas of rotary kiln.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810656387.4A CN108516857A (en) | 2018-06-24 | 2018-06-24 | A kind of cyanidation tailings high-strength ceramic granule and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810656387.4A CN108516857A (en) | 2018-06-24 | 2018-06-24 | A kind of cyanidation tailings high-strength ceramic granule and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108516857A true CN108516857A (en) | 2018-09-11 |
Family
ID=63428501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810656387.4A Pending CN108516857A (en) | 2018-06-24 | 2018-06-24 | A kind of cyanidation tailings high-strength ceramic granule and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108516857A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041050A (en) * | 2019-04-27 | 2019-07-23 | 招远市招金金合科技有限公司 | A method of European chain tile is prepared using high silicon tailings |
| CN110194655A (en) * | 2019-04-27 | 2019-09-03 | 招远市招金金合科技有限公司 | A method of building porcelain granule is prepared using high silicon tailings |
| CN112960968A (en) * | 2021-03-11 | 2021-06-15 | 重庆昊磐节能科技有限公司 | High-strength lightweight aggregate prepared from gold smelting tailings and preparation method thereof |
| CN114213144A (en) * | 2022-02-23 | 2022-03-22 | 山东恒远利废技术股份有限公司 | Method for treating cyanidation tailing sludge and preparing ceramsite simultaneously |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045565A (en) * | 2016-06-02 | 2016-10-26 | 福建省建筑科学研究院 | Light high-strength ceramsite and preparation method thereof |
| CN107382359A (en) * | 2017-08-31 | 2017-11-24 | 华中科技大学 | A kind of method and its product with lateritic gold ore tailings baking ceramsite |
| CN108017374A (en) * | 2017-12-29 | 2018-05-11 | 北京清大国华环境股份有限公司 | A kind of method and apparatus of cyanidation tailings comprehensive utilization |
| CN108101508A (en) * | 2017-12-13 | 2018-06-01 | 北京工业大学 | A kind of method that cyanidation tailings roasting recycling valuable metal synchronously prepares haydite |
-
2018
- 2018-06-24 CN CN201810656387.4A patent/CN108516857A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106045565A (en) * | 2016-06-02 | 2016-10-26 | 福建省建筑科学研究院 | Light high-strength ceramsite and preparation method thereof |
| CN107382359A (en) * | 2017-08-31 | 2017-11-24 | 华中科技大学 | A kind of method and its product with lateritic gold ore tailings baking ceramsite |
| CN108101508A (en) * | 2017-12-13 | 2018-06-01 | 北京工业大学 | A kind of method that cyanidation tailings roasting recycling valuable metal synchronously prepares haydite |
| CN108017374A (en) * | 2017-12-29 | 2018-05-11 | 北京清大国华环境股份有限公司 | A kind of method and apparatus of cyanidation tailings comprehensive utilization |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110041050A (en) * | 2019-04-27 | 2019-07-23 | 招远市招金金合科技有限公司 | A method of European chain tile is prepared using high silicon tailings |
| CN110194655A (en) * | 2019-04-27 | 2019-09-03 | 招远市招金金合科技有限公司 | A method of building porcelain granule is prepared using high silicon tailings |
| CN112960968A (en) * | 2021-03-11 | 2021-06-15 | 重庆昊磐节能科技有限公司 | High-strength lightweight aggregate prepared from gold smelting tailings and preparation method thereof |
| CN114213144A (en) * | 2022-02-23 | 2022-03-22 | 山东恒远利废技术股份有限公司 | Method for treating cyanidation tailing sludge and preparing ceramsite simultaneously |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108516857A (en) | A kind of cyanidation tailings high-strength ceramic granule and preparation method thereof | |
| CN102206091B (en) | Method for making ceramsite by using sludge | |
| CN110467470A (en) | A kind of preparation method using electroplating sludge sintered building haydite | |
| CN106747600B (en) | The sintering ceramsite and method prepared using phosphorus tailing as primary raw material | |
| CN107285600A (en) | A kind of method that catalyst prepared using industrial and mineral solid waste carries out pyrolyzing sludge preparing active carbon | |
| CN114751766A (en) | Light ceramsite fired by solid waste and method thereof | |
| CN107057705B (en) | Heavy metal contaminated soil remediation material, preparation method and application | |
| CN104399222B (en) | Composite biomass charcoal domestic garbage incineration flyash processing stabilizer and preparation method thereof | |
| CN109678467A (en) | It is a kind of to utilize the haydite and preparation method thereof for smelting the preparation of dangerous waste slag | |
| SK7922002A3 (en) | Method for producing a glass and glass produced thereby | |
| Long et al. | Preparation of High-strength ceramsite from municipal solid waste incineration fly ash and clay based on CaO-SiO2-Al2O3 system | |
| CN101775868B (en) | Method for sintering and curing industrial waste residue | |
| Xiong et al. | Study on environment-friendly disposal and utilization of oil-based drilling cuttings solidified body of shale gas | |
| DE3919011A1 (en) | METHOD FOR RECYCLING SPECIAL WASTE DUST OR MUD | |
| CN113800941B (en) | Method for preparing ceramsite by utilizing chromium-contaminated soil and ceramsite | |
| CN106587840B (en) | The preparation method of converter slag baking-free ceramicite | |
| CN105218064B (en) | It is a kind of using red mud As polluted soil as the non-burning brick of main material | |
| CN101643305A (en) | Method for integrating sludge drying by using brickkiln fume afterheat and brick making by using sludge | |
| CN106892601B (en) | Non-sintered garbage tailing brick and preparation process thereof | |
| Lin et al. | Utilization of reduction slag and waste sludge for Portland cement clinker production | |
| CN110410800A (en) | A method of processing powder class and sludge class waste are cooperateed with using cement kiln | |
| CN106187094A (en) | A kind of cold rolling chromium-bearing sludge haydite and preparation method | |
| JP5319254B2 (en) | Method for firing sludge granulated product and method of using the same | |
| CN109180153A (en) | A method of with oxidation rotary kiln tailings potting grain | |
| CN109836128A (en) | Utilize the haydite and preparation method thereof of aggregate sandstone tailing production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180911 |
|
| RJ01 | Rejection of invention patent application after publication |