CN109261344A - The method of purification and konilite of talcum association type natural powdery quartz - Google Patents
The method of purification and konilite of talcum association type natural powdery quartz Download PDFInfo
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- CN109261344A CN109261344A CN201811064527.5A CN201811064527A CN109261344A CN 109261344 A CN109261344 A CN 109261344A CN 201811064527 A CN201811064527 A CN 201811064527A CN 109261344 A CN109261344 A CN 109261344A
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- talcum
- konilite
- natural powdery
- flotation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B7/00—Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/008—Organic compounds containing oxygen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/04—Frothers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
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Abstract
The invention discloses the methods of purification and konilite of a kind of talcum association type natural powdery quartz, are related to technical field of mineral processing.The method of purification of talcum association type natural powdery quartz obtains flotation concentrate the following steps are included: by natural powdery quartz ore pulp progress reverse flotation；Natural powdery quartz ore pulp is that natural powdery quartz raw ore obtains after pretreatment, and pretreatment includes cleaning dispersion, screening except thick and centrifugation desliming.After natural powdery quartz mine is carried out scouring dispersion-screening except pretreatments such as thick-centrifugation deslimings by the present invention, reverse flotation is carried out to the concentrate after centrifugal classification, is smaller than 0.01%, SiO without that can sort to obtain content of MgO for the konilite raw ore of 2-3% by talc content by chemical method2Content up to 99.7% or more konilite concentrate product.This method is good to talcum association type powder quartz ore adaptability, and production line flow process is short, and recovery rate in ore-dressing is high, is a kind of efficient and environmentally protective high-purity konilite purification by mineral method.
Description
Technical field
The present invention relates to technical field of mineral processing, in particular to a kind of mentioning for talcum association type natural powdery quartz
Pure method and konilite.
Background technique
Konilite is the quartziferous industrial mineral raw material that a kind of natural output is powdery, is passed through by natural micro-crystallization quartzite
Long-time weathering generates.Because for a long time by geology power or elemental slacking, the shape of particle is relatively regular, and corner angle are compared with mechanical grinding
Grind silica flour passivation obviously, needing not move through mechanical lapping can be obtained the quartz micropowder of high pure and ultra-fine (- 320 mesh).China's powder stone
English resource reserve is abundant, finds there is the konilite resource that reserves are big, with high purity on Jiangxi, Hunan, Guangdong, Guangxi and other places.With
Science and technology development, the application field of konilite constantly from low side product to middle and high end field develop, especially as high-purity
Application prospect in terms of ultra-fine feed stock is huge, this also proposes higher want to the purity of konilite, granularity and physicochemical property
It asks.
Powder quartz ore quartz content is generally up to 90% at present, and major impurity is the clay impurity of iron content, aluminium, secondly basis
The konilite resource of the difference of the place of production and the origin cause of formation, different regions can contain mica, feldspar, talcum, kaolinite etc. to some extent
Intergrowth mineral object impurity.The beneficiation method of presently disclosed konilite is based on physical method and chemical method.Physical method include screening,
The methods of scouring, centrifugation, magnetic separation and flotation.
Talcum is a kind of mineral containing magnesium silicate, is the main source of MgO impurity in talcum association type konilite.This kind of cunning
In stone association type konilite raw ore, granularity, density, the magnetism of talcum and konilite are close, although talcum itself has preferably
Floatability, but because it is present in konilite raw ore in the form of total association, degree of dissociation is not high, and depositing because of clay impurity
It further reduced the floatability of talcum, current physics washing process is difficult to completely reject it, is unable to reach high-purity stone
Requirement of the English to magnesium addition content, and chemical method not only high production cost, and to environment nocuousness.Konilite beneficiation method pair at present
Talcum association type powder quartz ore purification by mineral has certain limitation.
It is therefore desired to provide the sorting side of talcum associated mineral impurity in a kind of removal konilite of high-efficiency environment friendly
Method.
In view of this, the present invention is specifically proposed.
Summary of the invention
One of the objects of the present invention is to provide a kind of method of purification of talcum association type natural powdery quartz, can alleviate on
State at least one of problem.
The second object of the present invention is to provide a kind of konilite, using the purification of above-mentioned talcum association type natural powdery quartz
Methods For Purification obtains, and obtains konilite concentrate product content of MgO and is smaller than 0.01%, SiO2Content can reach 99.7% or more.
In order to realize above-mentioned purpose of the invention, the following technical scheme is adopted:
In a first aspect, providing a kind of method of purification of talcum association type natural powdery quartz, comprising the following steps:
Natural powdery quartz ore pulp is subjected to reverse flotation, obtains flotation concentrate；Natural powdery quartz ore pulp is natural powdery quartz original
What mine obtained after pretreatment, pretreatment includes cleaning, sieve and being centrifuged.
Preferably, on the basis of technical solution provided by the invention, reverse flotation the following steps are included:
(a) pulp density is adjusted, and floating agent is added；
(b) ore pulp air flotation in floatation equipment completes the sorting of mineral.
Preferably, on the basis of technical solution provided by the invention, in step (a), adjustment pulp density to 15-
30%, preferably 25-30%, further preferably 25%.
Preferably, on the basis of technical solution provided by the invention, in step (a), floating agent includes collecting agent；
Preferably, collecting agent includes nonpolar collecting agent, preferably hydrocarbon ils, preferably diesel oil or kerosene, further preferably
For diesel oil；
Preferably, the additive amount of collecting agent is konilite dry material 350-450g per ton, preferably 400-450g；
Preferably, the mineralising time after collecting agent is added is 1-3min, preferably 2-3min.
Preferably, on the basis of technical solution provided by the invention, in step (a), floating agent includes foaming agent；
Preferably, foaming agent includes non-ionic foaming agent, preferably alcohols, preferably octanol, is further preferably positive
Octanol or sec-octyl alcohol；
Preferably, the additive amount of foaming agent is konilite dry material 40-50g per ton, preferably 45-50g.
Preferably, on the basis of technical solution provided by the invention, in step (b), start to scrape bubble after inflating 1-2min；
Preferably, scraping the bubble time is 5-10min, preferably 6-8min, further preferably 7min；
Preferably, water supplement is rinsed during scraping bubble, until without stopping scraping bubble when stablizing impurity foam output.
Preferably, on the basis of technical solution provided by the invention, reverse flotation further includes first progress step (b), then into
The step of row step (c)；
Step (c) include: to after flotation flotation concentrate and flotation tailing be separately separated by solid-liquid separation, it is dry
To flotation concentrate.
Preferably, on the basis of technical solution provided by the invention, the method for purification of talcum association type natural powdery quartz,
The following steps are included:
(a) screening removal large granular impurity is used after natural powdery quartz mine being carried out scouring dispersion, centrifugation removal microfine sticks
Native impurity obtains centrifugal classification precipitated product；
(b) being diluted to pulp density to centrifugal classification precipitated product is 15-30%, mixes 5-10min；
(c) ore pulp of step (b) is fed in floatation equipment, addition collecting agent carries out mineralising processing, and collecting agent is diesel oil
Or kerosene, additive amount are konilite dry material 350-450g per ton, mineralising time 1-3min；
(d) foaming agent is added into step (c) treated ore pulp, foaming agent is n-octyl alcohol or sec-octyl alcohol, and additive amount is
Konilite dry material 40-50g per ton is inflated after mixing 1-2min；
(e) start to scrape bubble after inflating 1-2min, scrape bubble time 5-10min, water supplement is rinsed during scraping bubble, until without stabilization
Stop scraping bubble when impurity foam output；
(f) flotation concentrate and flotation tailing are separately separated by solid-liquid separation；
(g) the konilite concentrate after separation of solid and liquid is dried, obtains flotation concentrate.
Second aspect provides a kind of konilite, purifies to obtain using the method for purification of above-mentioned natural powdery quartz.
Compared with the prior art, the invention has the following beneficial effects:
(1) after natural powdery quartz mine is carried out scouring dispersion-screening except pretreatments such as thick-centrifugation deslimings by the method for the present invention,
Reverse flotation, the magnesium-containing mineral impurity of removal and raw ore association are carried out to the concentrate after centrifugal classification.This method can efficiently separate
The talcum dirt removed by gravitational method is difficult in powder quartz ore, the konilite raw ore for talc content in 2-3% passes through
This law treated concentrate talc content can not be detected by XRD, and content of MgO is low, is smaller than 0.01%, SiO2Content is high, can
Reach 99.7% or more, reaches electronic-level crystalline silicon powder (JG) as defined in China Electronics professional standard SJ/T10675-2002
The requirement of high-class product.
(2) pilot scale expanding test is completed in the method for the present invention, good to the adaptability of talcum association type powder quartz ore, production line
Process is short, and recovery rate in ore-dressing is high, is a kind of efficient and environmentally protective high-purity konilite purification by mineral method.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the method for purification flow chart of the talcum association type natural powdery quartz of one embodiment of the present invention.
Specific embodiment
Embodiment of the present invention is described in detail below in conjunction with embodiment, but those skilled in the art will
Understand, the following example is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.It is not specified in embodiment specific
Condition person carries out according to conventional conditions or manufacturer's recommended conditions.Reagents or instruments used without specified manufacturer is
The conventional products that can be obtained by commercially available purchase.
According to the first aspect of the invention, the method for purification of talcum association type natural powdery quartz is provided, including following
Step:
Natural powdery quartz ore pulp is subjected to reverse flotation, obtains flotation concentrate；Natural powdery quartz ore pulp is natural powdery quartz original
What mine obtained after pretreatment, pretreatment includes cleaning, sieve and being centrifuged.
Natural powdery quartz mine is a kind of nonmetallic mineral resource in the discovery of the ground such as China Gan Xi, Xiang Dong, is silicalite wind
Change the natural geology synthesis of ground quartz and weathering residual silicalite clast composition that size degradation is formed.Typical chemical composition
SiO2Content 96~98%, Fe2O3Content is 0.05% or so.Talcum association type natural powdery quartz is to be with talcum (magnesium silicate)
The natural powdery quartz mine of main associated mineral, association talc content is generally in 2-3%.To talcum association type natural powdery quartz raw ore
The source of raw material is not construed as limiting, and commercial product can be used.
It the pretreatment such as cleaned, sieved and is centrifuged to natural powdery quartz raw ore, obtain natural powdery quartz ore pulp.
Scouring is to make ore pulp in violent turbulent flow using the friction scrubbing apparatus agitation ore pulp stirred strongly；Ore particle has wherein
There is biggish momentum, and generates fierce friction and collision mutually.Under mechanical force, it is wrapped in the clay on ore particle surface
Impurity is peeled off from ore particle surface, talcum surface and quartzy talcum intergrowth surface, realize mineral and impurity loosely, size degradation
Purpose.Impurity film and clayey the removing size degradation on these ore particle surfaces are in ore pulp, and granularity is very thin, using centrifuge separation
Method realize separation.
The condition of scouring, screening and centrifugation is not construed as limiting, equipment (such as swaging machine, screening of this field routine can be used
Machine and centrifuge) and condition progress.
Pretreatment removes association altogether by screening out the incomplete large granular impurity mineral of weathering, by cleaning and being centrifuged
And mixed shale mineral in recovery process.The stronger clay mineral impurity of caking property can be removed by pretreatment, in machine
The fully dispersed dissociation that talcum impurity and konilite are realized under the action of tool power, provides good power for the removal of talcum.
Reverse flotation is carried out to natural powdery quartz ore pulp after pretreatment, effectively to realize the removal of talcum.
Flotation be according to the difference of mineral surfaces physicochemical properties, Gu carry out Selective Separation in liquid-gas-three phase boundary
Method.In general, the process of (suspension of mineral and water is referred to as ore pulp) emersion solid is known as floating from the suspension of water
Choosing.Impure mineral is floated in foam product, valuable mineral is stayed in ore pulp, this flotation is reverse flotation.
The condition of flotation is not construed as limiting, the floatation equipment that this field routine can be used carries out.
After natural powdery quartz mine is carried out scouring dispersion-screening except pretreatments such as thick-centrifugation deslimings by the method for the present invention, to from
Concentrate after heart sorting carries out reverse flotation, the magnesium-containing mineral impurity of removal and raw ore association.This method can efficiently separate powder stone
Be difficult in English mine by gravitational method remove talcum dirt, for talc content 2-3% konilite raw ore through this law
Concentrate talc content that treated can not be detected by XRD, and content of MgO is low, is smaller than 0.01%, SiO2Content is high, can reach
99.7% or more, it is excellent to reach electronic-level crystalline silicon powder (JG) as defined in China Electronics professional standard SJ/T10675-2002
The requirement of product.
This method has process short；Flotation pulp pH is neutrality, anacidity alkali-free, no pollution to the environment；Flotation concentrate yield
And recovery rate of concentrate is high, reaches 91% or more；Show that the technique talcum removal rate is high and stability is good through pilot scale verifying.
In a preferred embodiment, reverse flotation the following steps are included:
(a) pulp density is adjusted, and floating agent is added；
(b) ore pulp air flotation in floatation equipment completes the sorting of mineral.
Floating agent is can to adjust mineral surfaces property used in Mineral Floating Process, and increasing or decreasing mineral can
Buoyancy makes ore pulp property and foam stability be more advantageous to the chemicals of sorting mineral.Floating agent is typical but non-limiting
For example including collecting agent, foaming agent or regulator etc..Flotation effect is improved by the way that floating agent is added.
Preferably, in step (a), adjustment pulp density to 15-30%, preferably 25-30%, further preferably 25%.
Here concentration refers to mass concentration.Pulp density is, for example, 15%, 20%, 25% or 30%.
Slurry dilution to suitable concentration is conducive to the progress of floatation process.
Preferably, in step (a), floating agent includes collecting agent；Preferably, collecting agent includes nonpolar collecting agent, excellent
It is selected as hydrocarbon ils, further preferably diesel oil or kerosene, much further preferably from diesel oil.
Collecting agent is to change mineral surfaces hydrophobicity, and the ore particle to swim is made to attach to the floating agent on bubble.It can be selected
It is adsorbed on mineral surfaces to selecting property；The hydrophobicity that mineral surfaces can be improved makes it easy to adhere on bubble, to improve
Mineral floatability.
The collecting effect of non-polar hydrocarbon oil is since it can be adsorbed and in its unfolded surface in nonpolar mineral surfaces
And form oil film.It can further improve the hydrophobicity on talcum surface by adding specific collecting agent, enhance the floatability of talcum,
And then it is more advantageous to talcum impurity in konilite associated mineral and removes.
Preferably, the additive amount of collecting agent is konilite dry material 350-450g per ton, preferably 400-450g；
Preferably, the mineralising time after collecting agent is added is 1-3min, preferably 2-3min.
The additive amount of collecting agent is typical but non-limiting be, for example, konilite dry material 350g, 380g per ton, 400g,
420g or 450g.
The typical but non-limiting mineralising time is, for example, 1min, 2min or 3min.
Additive amount and the mineralising time for controlling collecting agent, it can get better collecting performance effect.
Preferably, in step (a), floating agent includes foaming agent；Preferably, foaming agent includes non-ionic foaming agent,
Preferably alcohols, preferably octanol, further preferably n-octyl alcohol or sec-octyl alcohol.
Foaming agent refers to that the surface tension that can reduce water forms foam, and the air bubble in air flotation ore pulp is enable to be attached to choosing
A kind of surfactant on mineral grain that selecting property floats.
The merger that non-ionic foaming agent can be better protected from bubble is preferably added in floatation process, preferably extension gas
Steep ore pulp surface there are the times.
Preferably, the additive amount of foaming agent is konilite dry material 40-50g per ton, preferably 45-50g.
The additive amount of foaming agent it is typical but non-limiting be, for example, konilite dry material 40g, 42g, 45g, 48g per ton or
50g。
The additive amount for controlling foaming agent, can preferably play its bubble.Frother dosages are excessive, and foam is tacky.
In a preferred embodiment, in step (b), start to scrape bubble after inflating 1-2min；Preferably, the bubble time is scraped
For 5-10min, preferably 6-8min, further preferably 7min.
It is, for example, 5min, 6min, 8min or 10min that it is typical but non-limiting, which to scrape the bubble time,.
Preferably, water supplement is rinsed during scraping bubble, until without stopping scraping bubble when stablizing impurity foam output.
In a preferred embodiment, further include step (c) after step (b): to the flotation concentrate after flotation and floating
It selects tailing to be separately separated by solid-liquid separation, is dried to obtain flotation concentrate.
Solid-liquid separating equipment can be filter press, centrifuge or vacuum filter.It is separated by solid-liquid separation and can be obtained respectively after dry
Flotation concentrate and flotation tailing are obtained, and can be used according to actual needs.
Preferably, a kind of method of purification of typical talcum association type natural powdery quartz, as shown in Figure 1, including following step
It is rapid:
(a) natural powdery quartz mine is uniformly sent into after swaging machine carries out scouring dispersion and uses screening removal large granular impurity, adopted
Microfine clay impurity is removed with centrifuge, obtains centrifugal classification precipitated product；
(b) ore pulp pre-processes before carrying out flotation to centrifugal classification precipitated product, and being diluted to pulp density is 15-30%, stirs
Mix 5-10min；
(c) ore pulp of step (b) is fed in flotation device, addition collecting agent carry out mineralising processing, collecting agent be diesel oil or
Kerosene, additive amount are konilite dry material 350-450g per ton, mineralising time 1-3min；
(d) foaming agent is added into step (c) treated ore pulp, foaming agent is n-octyl alcohol or sec-octyl alcohol, and additive amount is
Konilite dry material 40-50g per ton mixes the gas-filled switching tube of opening flotation device after 1-2min；
(e) start to scrape bubble after inflating 1-2min, scrape bubble time 5-10min, scrape bubble and add proper amount of clear water flushing in the process, until
Bubble is scraped without stopping when stablizing impurity foam output；
(f) flotation concentrate is separated by solid-liquid separation respectively with flotation tailing, solid-liquid separating equipment can be filter press, centrifugation
Machine or vacuum filter；
(g) the konilite concentrate after separation of solid and liquid is dried, obtains flotation concentrate.
Natural powdery quartz mine is first carried out scouring dispersion-screening and removes thick-centrifugation desliming pretreatment by the typical method of purification,
Make the fully dispersed dissociation of talcum impurity and konilite, then the concentrate after concentration will be adjusted and carry out reverse flotation, during reverse flotation
By selecting specific collecting agent and foaming agent to improve flotation effect, the removal rate of talcum is made to reach the konilite most preferably obtained
Concentrate product content of MgO is less than 0.01%, SiO2Content >=99.7%.
According to the second aspect of the invention, a kind of konilite is provided, using above-mentioned talcum association type natural powdery quartz
Method of purification purify to obtain.
It obtains konilite concentrate product content of MgO and is smaller than 0.01%, SiO2Content can reach 99.7% or more.
Due to the konilite purity is high that the present invention obtains, talc content is low, therefore can satisfy hard-core technology industry to excellent
The demand of matter quartz raw material.
In order to further appreciate that the present invention, effect of the present invention is done further in detail with comparative example combined with specific embodiments below
Thin explanation.Each raw material of the present invention can pass through commercially available acquisition.
Raw material information: konilite raw ore SiO2Content is 97.0~98.5%, moisture 1~3%, granularity D9067 μm of <.
Collecting agent used is industrial diesel.The medicaments such as collecting agent are to analyze pure grade.
Embodiment 1
A kind of preparation method of talcum association type natural powdery quartz, comprising the following steps:
(1) 800kg konilite raw ore is uniformly added into swaging machine by screw(-type) feeder and carries out scouring dispersion, cleaned and complete
Ore pulp enters agitation and dilution bucket afterwards；Ore pulp after dilution is sieved with the spin vibration sieve of screen size 0.125mm (120 mesh), sieves lower produce
Object separates clay mineral and ferrous contaminants by centrifugal classifier；
(2) centrifuge underflow enters flotation operation, is diluted with water in ore pulp preprocessor first, and adjustment pulp density is
25%, stir 5min；The ore pulp adjusted is fed into flotation device, addition 350mL collecting agent diesel oil carries out mineralising, adds after 3min
35mL foaming agent sec-octyl alcohol starts to scrape bubble after Aerated stirring 1min, scrapes bubble time 7min, scrapes and adds ejected wash water 2kg during bubble,
After flotation, ore pulp underflow feeding filter press is separated by solid-liquid separation, until filter cake is unloaded after concentrate moisture content is lower than 10%,
Konilite concentrate is obtained after filter cake feeding drying machine is dried.
Embodiment 2
A kind of preparation method of talcum association type natural powdery quartz, comprising the following steps:
(1) 800kg konilite raw ore is uniformly added into swaging machine by screw(-type) feeder and carries out scouring dispersion, cleaned and complete
Ore pulp enters agitation and dilution bucket afterwards；Ore pulp after dilution is sieved with the spin vibration sieve of screen size 0.125mm (120 mesh), sieves lower produce
Object separates clay mineral and ferrous contaminants by centrifugal classifier；
(2) centrifuge underflow enters flotation operation, is diluted with water in ore pulp preprocessor first, and adjustment pulp density is
23%, stir 5min；The ore pulp adjusted is fed into flotation device, addition 400mL collecting agent diesel oil carries out mineralising, adds after 3min
40mL foaming agent sec-octyl alcohol starts to scrape bubble after Aerated stirring 1min, scrapes bubble time 7min, scrapes and adds ejected wash water 2kg during bubble,
After flotation, ore pulp underflow feeding filter press is separated by solid-liquid separation, until filter cake is unloaded after concentrate moisture content is lower than 10%,
Konilite concentrate is obtained after filter cake feeding drying machine is dried.
Embodiment 3
A kind of preparation method of talcum association type natural powdery quartz, comprising the following steps:
(1) 800kg konilite raw ore is uniformly added into swaging machine by screw(-type) feeder and carries out scouring dispersion, cleaned and complete
Ore pulp enters agitation and dilution bucket afterwards；Ore pulp after dilution is sieved with the spin vibration sieve of screen size 0.125mm (120 mesh), sieves lower produce
Object separates clay mineral and ferrous contaminants by centrifugal classifier；
(2) centrifuge underflow enters flotation operation, is diluted with water in ore pulp preprocessor first, and adjustment pulp density is
20%, stir 10min；The ore pulp adjusted is fed into flotation device, addition 900mL collecting agent diesel oil carries out mineralising, adds after 3min
Add 90mL foaming agent sec-octyl alcohol, start to scrape bubble after Aerated stirring 1min, scrape bubble time 7min, scrapes bubble and add ejected wash water in the process
2kg after flotation, ore pulp underflow feeding filters pressing is separated by solid-liquid separation, until unloading filter after concentrate moisture content is lower than 10%
Cake obtains konilite concentrate after filter cake feeding drying machine is dried.
Embodiment 4
The present embodiment the difference from embodiment 1 is that, the collecting agent diesel oil in step (2) is replaced with into kerosene.
Embodiment 5
The present embodiment the difference from embodiment 1 is that, the foaming agent sec-octyl alcohol in step (2) is replaced with into n-octyl alcohol.
Embodiment 6
The present embodiment the difference from embodiment 1 is that, by step (2) foaming agent sec-octyl alcohol replace polypropylene glycol.
Comparative example 1
This comparative example the difference from embodiment 1 is that, do not include step (1), directly directly send 800kg konilite raw ore
Enter and be diluted with water in ore pulp preprocessor, adjustment pulp density is 25%, continues to carry out by step (2).
The main chemical compositions analysis result of konilite product obtained by embodiment and comparative example is listed in table 1.
The main chemical compositions (%) of 1 embodiment and comparative example konilite product of table
As can be seen from Table 1, SiO in flotation concentrate in konilite product obtained by embodiment 1-32Content 99.7% with
On, content of MgO can't detect less than 0.01% with XRD.It can be seen that, impurity higher using the concentrate purity that the method for the present invention obtains
Lower, especially talc content is lower, can reach the effect almost removed.Concentrate yield is up to 91% or more simultaneously.
The collecting agent that embodiment 1 uses is diesel oil, and the collecting agent that embodiment 4 uses is kerosene, as a result, it has been found that using diesel oil
Effect it is more preferable, it is seen that the selection of collecting agent for flotation effect have it is certain influence, select suitable collecting agent that can obtain
Better removal effect.
The foaming agent that embodiment 1 uses is sec-octyl alcohol, and the foaming agent that embodiment 5 uses is n-octyl alcohol, to flotation effect shadow
It rings little.
1 raw ore of comparative example is without cleaning dispersion-screening except thick-centrifugation desliming pretreatment, the decline of concentrate purity and impurity
Content significantly improves, it is seen then that pre-processes and also functions to more crucial effect to entire method, this is because making to slide by pretreatment
Stone impurity and the fully dispersed dissociation of konilite, so that impurity can be removed preferably.
Although illustrate and describing the present invention with specific embodiment, it will be appreciated that without departing substantially from of the invention
Many other change and modification can be made in the case where spirit and scope.It is, therefore, intended that wrapping in the following claims
Include all such changes and modifications belonged in the scope of the invention.
Claims (9)
1. a kind of method of purification of talcum association type natural powdery quartz, which comprises the following steps:
Natural powdery quartz ore pulp is subjected to reverse flotation, obtains flotation concentrate；Natural powdery quartz ore pulp is natural powdery quartz raw ore warp
It is obtained after pretreatment, pretreatment includes cleaning, sieve and being centrifuged.
2. the method for purification of talcum association type natural powdery quartz described in accordance with the claim 1, which is characterized in that reverse flotation includes
Following steps:
(a) pulp density is adjusted, and floating agent is added；
(b) ore pulp air flotation in floatation equipment completes the sorting of mineral.
3. the method for purification of talcum association type natural powdery quartz according to claim 2, which is characterized in that in step (a),
Pulp density is adjusted to 15-30%, preferably 25-30%, further preferably 25%.
4. the method for purification of talcum association type natural powdery quartz according to claim 2, which is characterized in that in step (a),
Floating agent includes collecting agent；
Preferably, collecting agent includes nonpolar collecting agent, preferably hydrocarbon ils, preferably diesel oil or kerosene, further preferably bavin
Oil；
Preferably, the additive amount of collecting agent is konilite dry material 350-450g per ton, preferably 400-450g；
Preferably, the mineralising time after collecting agent is added is 1-3min, preferably 2-3min.
5. the method for purification of talcum association type natural powdery quartz according to claim 2, which is characterized in that in step (a),
Floating agent includes foaming agent；
Preferably, foaming agent includes non-ionic foaming agent, preferably alcohols, preferably octanol, further preferably n-octyl alcohol
Or sec-octyl alcohol；
Preferably, the additive amount of foaming agent is konilite dry material 40-50g per ton, preferably 45-50g.
6. the method for purification of talcum association type natural powdery quartz according to claim 2, which is characterized in that in step (b),
Start to scrape bubble after inflation 1-2min；
Preferably, scraping the bubble time is 5-10min, preferably 6-8min, further preferably 7min；
Preferably, water supplement is rinsed during scraping bubble, until without stopping scraping bubble when stablizing impurity foam output.
7. the method for purification of talcum association type natural powdery quartz according to claim 2, which is characterized in that reverse flotation also wraps
Include first progress step (b), then the step of carrying out step (c)；
Step (c) include: to after flotation flotation concentrate and flotation tailing be separately separated by solid-liquid separation, be dried to obtain floating
Concentrate selection.
8. according to the method for purification of the described in any item talcum association type natural powdery quartzs of claim 1-7, which is characterized in that packet
Include following steps:
(a) screening removal large granular impurity is used after natural powdery quartz mine being carried out scouring dispersion, centrifugation removal microfine clay is miscellaneous
Matter obtains centrifugal classification precipitated product；
(b) being diluted to pulp density to centrifugal classification precipitated product is 15-30%, stirs 5-10min；
(c) ore pulp of step (b) is fed in floatation equipment, addition collecting agent carries out mineralising processing, and collecting agent is diesel oil or coal
Oil, additive amount are konilite dry material 350-450g per ton, mineralising time 1-3min；
(d) foaming agent is added into step (c) treated ore pulp, foaming agent is n-octyl alcohol or sec-octyl alcohol, and additive amount is per ton
Konilite dry material 40-50g is inflated after mixing 1-2min；
(e) start to scrape bubble after inflating 1-2min, scrape bubble time 5-10min, water supplement is rinsed during scraping bubble, until without impurity is stablized
Stop scraping bubble when foam output；
(f) flotation concentrate and flotation tailing are separately separated by solid-liquid separation；
(g) the konilite concentrate after separation of solid and liquid is dried, obtains flotation concentrate.
9. a kind of konilite, which is characterized in that using the described in any item talcum association type natural powdery quartzs of claim 1-8
Method of purification purifies to obtain.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002453A (en) * | 2019-05-20 | 2019-07-12 | 大连地拓环境科技有限公司 | A kind of method of low-grade Talc Ore purification |
| CN110976077A (en) * | 2019-12-25 | 2020-04-10 | 中建材蚌埠玻璃工业设计研究院有限公司 | Method for preparing high-purity quartz sand iron concentrate from magnetite associated granular quartz |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3626970A1 (en) * | 1985-08-12 | 1987-03-26 | Walbeck Sand & Thonwerk Veb | Process for complex and partial dressing of quartz sands |
| CN102600982A (en) * | 2012-03-26 | 2012-07-25 | 武汉理工大学 | Fluoride-free low-acid zwitterion quartz sand reverse flotation process |
| CN102744162A (en) * | 2012-07-18 | 2012-10-24 | 中蓝连海设计研究院 | Selective flocfloatation method for talcose rocks |
| CN102773149A (en) * | 2011-05-10 | 2012-11-14 | 中国矿业大学(北京) | Dressing and purification method of powder quartz |
-
2018
- 2018-09-12 CN CN201811064527.5A patent/CN109261344A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3626970A1 (en) * | 1985-08-12 | 1987-03-26 | Walbeck Sand & Thonwerk Veb | Process for complex and partial dressing of quartz sands |
| CN102773149A (en) * | 2011-05-10 | 2012-11-14 | 中国矿业大学(北京) | Dressing and purification method of powder quartz |
| CN102600982A (en) * | 2012-03-26 | 2012-07-25 | 武汉理工大学 | Fluoride-free low-acid zwitterion quartz sand reverse flotation process |
| CN102744162A (en) * | 2012-07-18 | 2012-10-24 | 中蓝连海设计研究院 | Selective flocfloatation method for talcose rocks |
Non-Patent Citations (4)
| Title |
|---|
| 吴照洋，等: "江西粉石英选矿提纯技术研究", 《中国非金属矿工业导刊》 * |
| 孙传尧: "《选矿工程师手册 第1册 上 选矿通论》", 31 March 2015, 北京：冶金工业出版社 * |
| 李慧，等: "伟晶岩制备高纯石英砂的反浮选研究", 《中国粉体技术》 * |
| 苑晓光，等: "天然粉石英的选矿提纯试验研究", 《中国粉体技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110002453A (en) * | 2019-05-20 | 2019-07-12 | 大连地拓环境科技有限公司 | A kind of method of low-grade Talc Ore purification |
| CN110976077A (en) * | 2019-12-25 | 2020-04-10 | 中建材蚌埠玻璃工业设计研究院有限公司 | Method for preparing high-purity quartz sand iron concentrate from magnetite associated granular quartz |
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