CN106278360A - A kind of Tailings Dam rises the method in storehouse - Google Patents
A kind of Tailings Dam rises the method in storehouse Download PDFInfo
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- CN106278360A CN106278360A CN201610668969.5A CN201610668969A CN106278360A CN 106278360 A CN106278360 A CN 106278360A CN 201610668969 A CN201610668969 A CN 201610668969A CN 106278360 A CN106278360 A CN 106278360A
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- Prior art keywords
- tailings
- tailings dam
- storehouse method
- mine tailing
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/02—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by adding chemical blowing agents
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
- C03B32/02—Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0063—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing waste materials, e.g. slags
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/16—Halogen containing crystalline phase
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
-
- 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
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Structural Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Dispersion Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a kind of Tailings Dam and rise storehouse method, it is possible to achieve the comprehensive utilization to resource of tailings, improve resource utilization.Coarse grain mine tailing is prepared mortar sell, reduce follow-up tailings glass amount and processing cost, but also mine tailing amount of storage can be reduced.Fine tailings is prepared building material product be possible not only to mine tailing is processed, and can also turn waste into wealth, there is preferable environmental benefit and economic benefit.
Description
Technical field
The invention belongs to tailings glass field, be specifically related to a kind of Tailings Dam and rise storehouse method.
Background technology
The grade of the most of mine resources of China is relatively low, discharges substantial amounts of mine tailing, along with mineral resources in beneficiation flowsheet
The raising of producing level, can mining grade reducing accordingly of Ore, mine tailing output, is also in increase.The tailings comprehensive of China at present
Utilization rate is relatively low, and substantial amounts of mine tailing is typically to be deposited in Tailings Dam.After the mine tailing deposited in Tailings Dam reaches designed elevation
It is necessary for stopping continuing tailing disposal in Tailings Dam, otherwise will cause dam break, thus bring environmental pollution even to periphery
It it is life and property loss.
In order to ensure that ore extraction can proceed, it is necessary to build new Tailings Dam.But land resource scarcity, mine tailing
Storehouse floor space is big, and the investment of the most newly-built Tailings Dam is huge.If Tailings Dam will be disabled or the mine tailing that closes in the Tailings Dam of storehouse returns
Adopt utilization, vacate original storage capacity recycling, both realized resource of tailings comprehensive utilization, and reduced again newly-built Tailings Dam expense, have relatively
Good Social benefit and economic benefit.
Summary of the invention
In order to solve above technical problem, the invention provides a kind of Tailings Dam and rise storehouse method, comprise the following steps:
(1) resource of tailings in Tailings Dam is detected and analysis of experiments, if contain in resource of tailings has valency unit
Have and extract value again, then carry out valuable element recovery by valuable element abstraction process；
(2) the secondary mine tailing produced after extracting the resource of tailings or valuable element without extracting value again carries out thickness and divides
Level；
(3) the coarse grain mine tailing more than 0.15mm concentrates the underflow product obtained through sedimentation tank, uses it for preparing mortar, heavy
The overflow of pond, shallow lake is sent into water return pipeline and is recycled；
(4) the concentrated machine of fine tailings less than or equal to 0.15mm concentrates the underflow product obtained, and uses it for preparation
Building material product, thickener overflow is sent into water return pipeline and is recycled.
Tailings Dam provided by the present invention rises storehouse method can realize the comprehensive utilization to resource of tailings, improves the utilization of resources
Rate.Coarse grain mine tailing is prepared mortar sell, reduce follow-up tailings glass amount and processing cost, but also mine tailing storage can be reduced
Amount.Fine tailings is prepared building material product be possible not only to mine tailing is processed, and can also turn waste into wealth, there is preferable ring
Border benefit and economic benefit.
Described step (4) can also add polyacrylamide flocculation at the described fine tailings less than or equal to 0.15mm
Send into described thickener after agent to concentrate, to realize more preferable concentrated effect.
Tailings Dam provided by the present invention is risen storehouse method and be may be used for gold tailings glass, and fine tailings mixes in order to prepare aerating
Solidifying earth building blocks, prepares air-entrained concrete building block further comprising the steps of:
A dispensing: the described underflow product 60-70wt% in described step (4), Calx 20-25wt%, cement 10-
15wt%, Gypsum Fibrosum 1-3wt%, aluminium powder 0.05-0.07wt%, ratio of water to material: 0.5-0.7；
B stirs: the described underflow product in described step (4), Calx, cement and Gypsum Fibrosum add water stirring 3min to be become
Uniform slurry, is then configured to described aluminium powder in the aluminium powder suspension aforementioned slurry of addition of concentration 5wt% be stirred for 5min,
Obtain the slip mixed；
C cast stops with quiet: described slip is put into mould and pours into a mould, the most quiet stop maintenance 2.5h, obtain
Base substrate；
D steam press maintenance: described base substrate carries out quiet stopping maintenance, by quiet stop maintenance after base substrate put into still kettle and carry out steam pressure
Maintenance, the most at room temperature evacuation 40min, in making still kettle, pressure is at 0MPa；Then in 1.5h, it is warmed up to 190 DEG C of insulations
8h, last decrease temperature and pressure 1.5h so that in still, pressure drops to 0MPa, in still, take out the base substrate of steam press maintenance, i.e. obtained
Gold mine tailing air-entrained concrete building block.
Preferably, the described underflow product 65wt% during described batching step is described step (4), Calx
22wt%, cement 11wt%, Gypsum Fibrosum 2wt%, the addition of aluminium powder are described underflow product, Calx, cement, gypsum quality sum
0.06wt%, ratio of water to material: 0.6.
Tailings Dam provided by the present invention rises storehouse method, not only can effectively process gold mine tailing, reduce mine tailing and deposit
Reserves, but also can output mortar and air-entrained concrete building block.Turn waste into wealth, there is the economic effect of good environmental benefit
Benefit.
Tailings Dam provided by the present invention is risen storehouse method and be may be used for iron tailings process, and fine tailings is in order to prepare crystallite glass
Glass sheet material, prepares crystallizing glass sheet material further comprising the steps of:
Described underflow product 55-60wt% in e, described step (4), limestone 30-35wt%, Borax 4.0-
4.5wt%, zinc oxide 1.5-2.0wt%, chromium oxide 1.0-1.5wt% and prodan 1.0-1.5wt% mix homogeneously；
F, being founded by mixed raw material, fusion temperature is 1300 DEG C, and fusing time is 2.5h；
G, will found after raw material use compacting or float glass process be shaped to sheet material；
H, the sheet material after molding is incubated at a temperature of 830 DEG C 2h carries out coring process, then be incubated at a temperature of 950 DEG C
3h carries out Crystallizing treatment；
I, the crystallizing glass sheet material after Crystallizing treatment is naturally cooled to room temperature with stove；
J, carry out cutting by the crystallizing glass sheet material after cooling, grind and finished product is made in polishing.
Preferably, the described underflow product 58wt% during described step e is described step (4), limestone
33wt%, Borax 4.3wt%, zinc oxide 1.9wt%, chromium oxide 1.4wt% and prodan 1.4wt% mix homogeneously.
Tailings Dam provided by the present invention rises storehouse method, not only can effectively process iron tailings, reduces mine tailing and deposits
Reserves, but also can output mortar and crystallizing glass sheet material.Turn waste into wealth, there is the economic benefit of good environmental benefit.
Accompanying drawing explanation
Fig. 1 is that Tailings Dam provided by the present invention rises storehouse method flow schematic diagram.
Detailed description of the invention
Embodiment 1:
The golden Tailings Dam in Dandong City of Liaoning Province 1, mine tailing reserves 2,000,000 m3, reached to design storage capacity, the most disabled.
Newly-built No. 2 Tailings Dam storage capacities are less, and the length of service is shorter, need newly-built Tailings Dam after reaching to design storage capacity.Due to new mine tailing
Storehouse examination & approval are more difficult, and construction cost is relatively big, it has been decided through consideration and No. 1 Tailings Dam is risen storehouse, the storage capacity vacateed is used for follow-up tail
The discharge in ore deposit.
No. 1 Tailings Dam gold tailings grade 0.62g/t, can carry out valuable element extraction.
(1) resource of tailings valuable element extracts
Resource of tailings in No. 1 Tailings Dam passes through hydromining operation back production, then uses spiral chute enrichment, thick by be enriched with
Granule ore deposit returns former ore-dressing technique and carries out valuable element extraction.
(2) mortar and concrete segment are prepared
The fine grained ore deposit that spiral chute produces carries out thickness grading by grader vibrosieve, more than the mine tailing of 0.15mm
Being concentrated by sedimentation tank, concentrate underflow and be used for preparing mortar, sedimentation tank overflow is sent into water return pipeline and is recycled.It is less than or equal to
The mine tailing of 0.15mm is sent into thickener together with polyacrylamide flocculant and is concentrated, and thickener overflow sends into water return pipeline circulation
Utilizing, thickener underflow is used for preparing air-entrained concrete building block, comprises the following steps:
Dispensing: shared by each raw material, percetage by weight is: underflow product 65%, Calx 22%, cement 11%, Gypsum Fibrosum 2%, the end
Percetage by weight sum shared by miscarriage product, Calx, cement and Gypsum Fibrosum is 100%, accounts for underflow product, stone by the addition of aluminium powder
Ash, cement and the 0.06% of Gypsum Fibrosum gross weight, ratio of water to material: 0.6, choose aluminium powder and water, standby；
Stirring: load weighted underflow product, Calx, cement and Gypsum Fibrosum add remaining water stirring 3min becomes uniform
Slurry, is then that 5wt.% aluminium powder suspension adds in aforementioned slurry and is stirred for 5min by concentration, obtains the slip mixed；
Cast stops with quiet: the above-mentioned slip mixed is put into mould and pours into a mould, and the most quiet stops maintenance
2.5h, obtains base substrate；
Steam press maintenance: by quiet stop maintenance after base substrate put into still kettle and carry out steam press maintenance, steam press maintenance manufacture into: first
The most at room temperature evacuation 40min, in making still kettle, pressure is at 0MPa；Then in 1.5h, 190 DEG C of insulation 8h it are warmed up to, finally
Decrease temperature and pressure 1.5h so that in still, pressure drops to 0MPa, has taken out the base substrate of steam press maintenance in still, i.e. obtains gold mine tailing and adds
Gas concrete segment；
Made golden mine tailing air-entrained concrete building block finished product is carried out intensity test according to GB/T 11968-2006,
The meansigma methods of its comprcssive strength is 2.6MPa, has reached the requirement of strength of A2.5.
Embodiment 2:
Iron tailings storehouse, Chaoyang City, Liaoning Province 1, mine tailing reserves 1,000,000 m3, reached to design storage capacity, the most disabled.
Newly-built No. 2 Tailings Dam storage capacities are less, and the length of service is shorter, need newly-built Tailings Dam after reaching to design storage capacity.Due to new mine tailing
Storehouse examination & approval are more difficult, and construction cost is relatively big, it has been decided through consideration and No. 1 Tailings Dam is risen storehouse, the storage capacity vacateed is used for follow-up tail
The discharge in ore deposit.
No. 1 full Iron grade of Tailings 7.4%, it is impossible to carry out valuable element extraction.
Resource of tailings in (1) No. 1 Tailings Dam passes through hydromining operation back production, is then carried out slightly by grader vibrosieve
Subfractionation, the mine tailing more than 0.15mm is concentrated by sedimentation tank, concentrates underflow and is used for preparing mortar, and backwater is sent in sedimentation tank overflow
Pipeline recycles.Mine tailing less than or equal to 0.15mm is sent into thickener together with polyacrylamide flocculant and is concentrated, dense
Contracting machine overflow is sent into water return pipeline and is recycled, and thickener underflow is used for preparing crystallizing glass sheet material；
(2) crystallizing glass sheet material preparation comprises the following steps:
The first step, it is respectively as follows: underflow product 59%, limestone 33%, Borax 4.3%, zinc oxide according to mass percent
1.9%, chromium oxide 1.4% and prodan 1.4% mix homogeneously；
Second step, being founded by mixed raw material, fusion temperature is 1300 DEG C, and fusing time is 2.5h；
3rd step, will found after raw material use compacting or float glass process be shaped to sheet material；
4th step, the sheet material after molding is incubated at a temperature of 830 DEG C 2h carries out coring process, then the temperature at 950 DEG C
Lower insulation 3h carries out Crystallizing treatment；
5th step, the crystallizing glass sheet material after Crystallizing treatment is naturally cooled to room temperature with stove；
6th step, carry out cutting by the crystallizing glass sheet material after cooling, grind and finished product is made in polishing.
Preparation-obtained crystallizing glass sheet material quality is good.
Claims (6)
1. a Tailings Dam rises storehouse method, it is characterised in that comprise the following steps:
(1) resource of tailings in Tailings Dam is detected and analysis of experiments, if the valuable element contained in resource of tailings has
Extract value again, then carry out valuable element recovery by valuable element abstraction process；
(2) the secondary mine tailing produced after extracting the resource of tailings or valuable element without extracting value again carries out thickness grading；
(3) the coarse grain mine tailing more than 0.15mm concentrates the underflow product obtained through sedimentation tank, uses it for preparing mortar, sedimentation tank
Overflow is sent into water return pipeline and is recycled；
(4) the concentrated machine of fine tailings less than or equal to 0.15mm concentrates the underflow product obtained, and uses it for preparing building materials
Product, thickener overflow is sent into water return pipeline and is recycled.
Tailings Dam the most according to claim 1 rises storehouse method, it is characterised in that in described step (4) described less than or
Fine tailings equal to 0.15mm is sent into described thickener and is concentrated after adding polyacrylamide flocculant.
Tailings Dam the most according to claim 1 and 2 rises storehouse method, it is characterised in that described Tailings Dam rises storehouse method for gold
Tailings Dam rises storehouse method, shown in prepare building material product for preparing air-entrained concrete building block, described prepare air-entrained concrete building block also
Comprise the following steps:
A dispensing: the described underflow product 60-70wt% in described step (4), Calx 20-25wt%, cement 10-15wt%, stone
Cream 1-3wt%, aluminium powder 0.05-0.07wt%, ratio of water to material: 0.5-0.7；
B stirs: the described underflow product in described step (4), Calx, cement and Gypsum Fibrosum add water stirring 3min becomes uniform
Slurry, then described aluminium powder is configured to the aluminium powder suspension of concentration 5wt% and adds in aforementioned slurry and be stirred for 5min, obtain
The slip mixed；
C cast stops with quiet: described slip is put into mould and pours into a mould, the most quiet stop maintenance 2.5h, obtain base substrate；
D steam press maintenance: described base substrate carries out quiet stopping maintenance, by quiet stop maintenance after base substrate put into still kettle and carry out steam pressure and support
Protecting, the most at room temperature evacuation 40min, in making still kettle, pressure is at 0MPa；Then in 1.5h, it is warmed up to 190 DEG C of insulations
8h, last decrease temperature and pressure 1.5h so that in still, pressure drops to 0MPa, in still, take out the base substrate of steam press maintenance, i.e. obtained
Gold mine tailing air-entrained concrete building block.
Tailings Dam the most according to claim 3 rises storehouse method, it is characterised in that described batching step is described step (4)
In described underflow product 65wt%, Calx 22wt%, cement 11wt%, Gypsum Fibrosum 2wt%, the addition of aluminium powder be described underflow
Product, Calx, cement, the 0.06wt% of gypsum quality sum, ratio of water to material: 0.6.
Tailings Dam the most according to claim 1 and 2 rises storehouse method, it is characterised in that it is ferrum that described Tailings Dam rises storehouse method
Tailings Dam rises storehouse method, shown in prepare building material product for preparing crystallizing glass sheet material, described crystallizing glass sheet material of preparing also includes
Following steps:
Described underflow product 55-60wt% in e, described step (4), limestone 30-35wt%, Borax 4.0-4.5wt%, oxygen
Change zinc 1.5-2.0wt%, chromium oxide 1.0-1.5wt% and prodan 1.0-1.5wt% mix homogeneously；
F, being founded by mixed raw material, fusion temperature is 1300 DEG C, and fusing time is 2.5h；
G, will found after raw material use compacting or float glass process be shaped to sheet material；
H, the sheet material after molding is incubated at a temperature of 830 DEG C 2h carries out coring process, then at a temperature of 950 DEG C, be incubated 3h enter
Row Crystallizing treatment；
I, the crystallizing glass sheet material after Crystallizing treatment is naturally cooled to room temperature with stove；
J, carry out cutting by the crystallizing glass sheet material after cooling, grind and finished product is made in polishing.
Tailings Dam the most according to claim 5 rises storehouse method, it is characterised in that described step e is in described step (4)
Described underflow product 58wt%, limestone 33wt%, Borax 4.3wt%, zinc oxide 1.9wt%, chromium oxide 1.4wt% and fluorine silicon
Acid sodium 1.4wt% mix homogeneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610668969.5A CN106278360A (en) | 2016-08-15 | 2016-08-15 | A kind of Tailings Dam rises the method in storehouse |
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| CN201610668969.5A CN106278360A (en) | 2016-08-15 | 2016-08-15 | A kind of Tailings Dam rises the method in storehouse |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105598143A (en) * | 2016-03-09 | 2016-05-25 | 大连地拓重工有限公司 | Resource mine repairing method |
| CN105776870A (en) * | 2016-02-02 | 2016-07-20 | 大连地拓重工有限公司 | Gold ore tailing manufactured ceramic glass board and manufacturing method thereof |
-
2016
- 2016-08-15 CN CN201610668969.5A patent/CN106278360A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776870A (en) * | 2016-02-02 | 2016-07-20 | 大连地拓重工有限公司 | Gold ore tailing manufactured ceramic glass board and manufacturing method thereof |
| CN105598143A (en) * | 2016-03-09 | 2016-05-25 | 大连地拓重工有限公司 | Resource mine repairing method |
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Effective date of registration: 20170824 Address after: 116299 Zhenxing street, Pulandian Bay Industrial Zone, Dalian, Liaoning, China, No. 16 Applicant after: Dalian Earth Environment Technology Co., Ltd. Address before: 116299 Zhenxing street, Pulandian Bay Industrial Zone, Dalian, Liaoning, China, No. 16 Applicant before: DALIAN DITUO HEAVY INDUSTRY CO., LTD. |
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