CN112295723A - Fine particle grade tungsten recovery beneficiation system and beneficiation method thereof - Google Patents

Fine particle grade tungsten recovery beneficiation system and beneficiation method thereof Download PDF

Info

Publication number
CN112295723A
CN112295723A CN202010950065.8A CN202010950065A CN112295723A CN 112295723 A CN112295723 A CN 112295723A CN 202010950065 A CN202010950065 A CN 202010950065A CN 112295723 A CN112295723 A CN 112295723A
Authority
CN
China
Prior art keywords
beneficiation
stirring
fine particle
concentrate
tungsten recovery
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
Application number
CN202010950065.8A
Other languages
Chinese (zh)
Inventor
徐锋
罗斌林
邓保生
周永坚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Hu Keng Tungsten Industry Co ltd
Original Assignee
Jiangxi Hu Keng Tungsten Industry Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangxi Hu Keng Tungsten Industry Co ltd filed Critical Jiangxi Hu Keng Tungsten Industry Co ltd
Priority to CN202010950065.8A priority Critical patent/CN112295723A/en
Publication of CN112295723A publication Critical patent/CN112295723A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • 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
    • B03B1/00—Conditioning for facilitating separation by altering physical properties of the matter to be treated
    • 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
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets

Landscapes

  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention discloses a micro-fine particle tungsten recovery beneficiation system, which belongs to the technical field of beneficiation, and comprises a vibrating device, a first concentrating device, a first stirring device, a roughing device, a second concentrating device, a second stirring device and a concentrating device in sequence according to a feeding direction, wherein the first concentrating device and the second concentrating device adopt thickeners, and the roughing device and the concentrating device adopt a suspended vibration conical surface shaking table.

Description

Fine particle grade tungsten recovery beneficiation system and beneficiation method thereof
Technical Field
The invention relates to the technical field of beneficiation, in particular to a micro-fine particle tungsten recycling beneficiation system and a beneficiation method thereof.
Background
Along with continuous mining, the embedded part of the selected raw ore tungsten ore is finer, the amount of tungsten fine mud is increased year by year, the proportion of scheelite is increased to 15.6%, the current fine mud treatment process cannot meet the requirement of the amount of fine mud in a plant, only primary fine mud and part of secondary fine mud enter a fine mud recovery section on site to cause the loss of a large amount of tungsten resources, on the other hand, due to the increase of the proportion of the scheelite, the scheelite is lost in tailings by adopting a strong magnetic process to discard tailings in the traditional method, and the performance of the SQC separation equipment is unstable and the equipment has the defects that the SQC strong magnetic separation mainly recovers tungsten metal with the particle size of-0.075 +0.03mm, and the recovery rate of the tungsten metal in the particle size of-0.03 mm is poor.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art and provides a fine particle tungsten recovery beneficiation system and a beneficiation method thereof.
The technical solution of the invention is as follows:
the utility model provides a mineral processing system is retrieved to superfine fraction tungsten, includes vibrating equipment, first concentrator, first agitating unit, roughing device, second concentrator, second agitating unit and choice equipment according to the direction of feed in proper order.
Preferably, the roughing apparatus and/or the concentrating apparatus is a suspended vibrating cone shaker.
Preferably, the first and/or second concentrating device is a thickener.
Preferably, the device also comprises a drug adding device for adding drugs to the roughing device and/or the concentrating device.
The invention also discloses a beneficiation method of the superfine particle tungsten recovery beneficiation system, which comprises the following steps:
the method comprises the following steps: crushing mineral raw materials, and screening the crushed raw materials with a size fraction less than or equal to 0.03mm by using vibration equipment to obtain a first sorted material;
step two: enabling the first separated material in the first step to pass through first concentration equipment to obtain a first concentrated material with the mass concentration of 20-25%, and enabling the first concentrated material to sequentially enter a first stirring device and roughing equipment for separation to obtain a first concentrate, a first middling and a first tailing; a surfactant is added into the first stirring device; the stirring speed of the first stirring device is 2000-3000 r/min;
step three: continuously passing the first concentrate obtained in the step two through second concentration equipment to obtain a second concentrate with the mass concentration of 15-30%, and sequentially feeding the second concentrate into a second stirring device and concentration equipment for separation to obtain a second concentrate, a second middling and second tailings; carboxylated chitosan is added into the second stirring device;
step four: and returning the second middling in the third step to second concentration equipment for continuous operation, and returning the second tailings in the third step to the second step for recycling treatment.
Preferably, the roughing device is a suspension vibration conical surface shaking table, the whirling vibration frequency is 270-.
Preferably, the fine selection equipment is a suspension vibration conical surface shaking table, the whirling vibration frequency is 370-.
Preferably, the mineral raw material is vertical ring high gradient magnetic separator tailings and/or flotation tailings.
Preferably, in the first step, the first sorted material is further pretreated, which specifically comprises: the preparation method comprises the following steps of mixing the first sorting material into ore pulp, adding a dispersing agent, and then adding an agglomeration agent, wherein the preparation method of the agglomeration agent comprises the following steps:
s1: adding maltodextrin into the acetic acid solution, and stirring at constant temperature to form malt paste seminal plasma;
s2: adding the maltodextrin slurry into a composite initiator consisting of ammonium ceric nitrate and potassium persulfate, and continuously stirring to obtain mixed slurry;
s3: and adding the mixed slurry into metal-based vinyl pyrrolidone ionic liquid, stirring, and reacting for 1-2 hours to form an agglomeration agent.
Preferably, the dispersant is water glass, and the modulus of the water glass is 2.4-3.0.
The invention has at least one of the following beneficial effects:
(1) according to the micro-fine particle tungsten recovery beneficiation system, the concentration equipment and the suspension vibration conical surface shaking table are additionally arranged, so that slurry can reach a proper concentration effectively, and meanwhile, micro-fine particle tungsten can be recovered more effectively by combining with proper parameters of the suspension vibration conical surface shaking table.
(2) According to the beneficiation method of the superfine particle tungsten recovery beneficiation system, the gangue minerals and the useful minerals are firstly dispersed by the dispersing agent, and then the useful minerals are agglomerated and weighted by the agglomerating agent, so that the separation process is facilitated, and the recovery rate of tungsten is greatly improved.
(3) According to the beneficiation method of the superfine particle tungsten recovery beneficiation system, the surfactant is added into the first stirring device, after high-speed stirring, the surfactant is charged to form charged foam, the charged foam is selectively attached to the surface of useful minerals through electrostatic action in slurry, the hydrophobicity of the surface of the useful minerals is enhanced, and accordingly beneficiation indexes are improved.
(4) According to the beneficiation method of the superfine particle tungsten recovery beneficiation system, in the process of preparing the agglomeration agent, maltodextrin is acidified, and the metal-based vinylpyrrolidone ionic liquid is added, so that on one hand, the stability of the metal-based vinylpyrrolidone ionic liquid is ensured in a weak acid environment, and on the other hand, the metal base in the ionic liquid also has a certain flocculation effect, the agglomeration speed is high, and the beneficiation efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a process flow diagram of a second preferred embodiment of the present invention;
in the figure, 100-vibrating device, 200-first concentrating device, 300-first stirring device, 400-roughing device, 500-second concentrating device, 600-second stirring device, 700-concentrating device.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 2, a first embodiment of the present invention:
the utility model provides a fine particle level tungsten recovery ore dressing system, includes vibrating equipment 100, first concentrator 200, first agitating unit 300, rougher equipment 400, second concentrator 500, second agitating unit 600 and choice equipment 700 according to the direction of feed in proper order.
As a first embodiment of the present invention, it may also have the following additional technical features:
the rougher flotation apparatus 400 and/or the cleaner flotation apparatus 700 are suspended cone shakers.
The first concentrating device 200 and/or the second concentrating device 500 is a thickener.
A dosing device for dosing the medicament to the rougher apparatus 400 and/or the cleaner apparatus 700 is also included.
The invention also discloses a second embodiment, a beneficiation method of the superfine fraction tungsten recovery beneficiation system, which comprises the following steps:
the method comprises the following steps: crushing mineral raw materials, and screening the crushed raw materials with a size fraction less than or equal to 0.03mm by using vibration equipment to obtain a first sorted material;
step two: enabling the first separated material in the first step to pass through first concentration equipment to obtain a first concentrated material with the mass concentration of 20-25%, and enabling the first concentrated material to sequentially enter a first stirring device and roughing equipment for separation to obtain a first concentrate, a first middling and a first tailing; a surfactant is added into the first stirring device 300; the stirring speed of the first stirring device 300 is 2000-3000 r/min;
step three: continuously passing the first concentrate obtained in the step two through a second concentration device 500 to obtain a second concentrate with the mass concentration of 15-30%, and sequentially entering the second concentrate into a second stirring device 600 and a concentration device 700 for separation to obtain a second concentrate, a second middling and second tailings; the carboxylated chitosan is added into the second stirring device 600, and the preparation method of the carboxylated chitosan is that the chitosan is put into 5 wt% oxalic acid to be soaked for 3 hours to prepare the carboxylated chitosan;
step four: and returning the second middling in the third step to second concentration equipment for continuous operation, and returning the second tailings in the third step to the second step for recycling treatment.
The roughing device is a suspension vibration conical surface shaking table, the rotary vibration frequency is 270-305 turns/minute, the disc surface movement period is 160-180 seconds/turn, the operation stroke of the suspension vibration conical surface shaking table is 9-10mm, and the stroke frequency is 185-215 turns/minute.
The selection equipment is a suspension vibration conical surface shaking table, the rotary vibration frequency is 370-.
The mineral raw material is vertical ring high gradient magnetic separator tailings and/or flotation tailings.
In the first step, the first sorted material is also pretreated, which specifically comprises the following steps: the preparation method comprises the following steps of mixing the first sorting material into ore pulp, adding a dispersing agent, and then adding an agglomeration agent, wherein the preparation method of the agglomeration agent comprises the following steps:
s1: adding maltodextrin into the acetic acid solution, and stirring at constant temperature to form malt paste seminal plasma;
s2: adding the maltodextrin slurry into a composite initiator consisting of ammonium ceric nitrate and potassium persulfate, and continuously stirring to obtain mixed slurry;
s3: and adding the mixed slurry into metal-based vinyl pyrrolidone ionic liquid, stirring, and reacting for 1-2 hours to form an agglomeration agent.
The dispersing agent is water glass, and the modulus of the water glass is 2.4-3.0.
With respect to the second embodiment, the following specific examples are explained.
Example 1
A beneficiation method of a superfine particle tungsten recovery beneficiation system comprises the following steps:
the method comprises the following steps: crushing mineral raw materials, and screening the crushed raw materials with a size fraction less than or equal to 0.03mm by using vibration equipment to obtain a first sorted material;
step two: enabling the first separated material in the first step to pass through first concentration equipment to obtain a first concentrated material with the mass concentration of 20%, and sequentially enabling the first concentrated material to enter a first stirring device and roughing equipment for separation to obtain a first concentrate, a first middling and a first tailing; sodium dodecyl sulfate is added into the first stirring device 300; the stirring speed of the first stirring device 300 is 2000 r/min;
step three: continuously passing the first concentrate obtained in the step two through second concentration equipment to obtain a second concentrate with the mass concentration of 15%, and sequentially feeding the second concentrate into a second stirring device and concentration equipment for separation to obtain a second concentrate, a second middling and second tailings; the carboxylated chitosan is added into the second stirring device 600, and the preparation method of the carboxylated chitosan is that the chitosan is put into 3 wt% oxalic acid to be soaked for 5 hours;
step four: and returning the second middling in the third step to second concentration equipment for continuous operation, and returning the second tailings in the third step to the second step for recycling treatment.
The roughing device is a suspension vibration conical surface shaking table, the rotary vibration frequency is 270 revolutions per minute, the disc surface movement period is 160 seconds per revolution, the operation stroke of the suspension vibration conical surface shaking table is 9mm, and the stroke frequency is 185 times per minute.
The selection equipment is a suspension vibration conical surface shaking table, the rotary vibration frequency is 370 r/m, the disc surface movement period is 150 s/r, the operation stroke of the suspension vibration conical surface shaking table is 9mm, and the stroke frequency is 195 times/m.
The mineral raw material is vertical ring high gradient magnetic separator tailings and/or flotation tailings.
In the first step, the first sorted material is also pretreated, which specifically comprises the following steps: the first sorting material is blended into ore pulp, a dispersing agent accounting for 500g/t of addition is added, and then an agglomeration agent accounting for 400g/t of addition is added, wherein the preparation method of the agglomeration agent comprises the following steps:
s1: adding 5g maltodextrin into 100ml acetic acid solution at 80 deg.C, stirring at constant temperature for 20min to obtain malt dextrin slurry;
s2: cooling the maltodextrin slurry to 45 ℃, adding a composite initiator consisting of 1mmol of ammonium ceric nitrate and 2mmol of potassium persulfate, and continuously stirring for 10min to obtain mixed slurry;
s3: 5ml of a metal-based vinylpyrrolidone ionic liquid was added to the mixed slurry, and the mixture was stirred and allowed to react for 1 hour to form an aggregating agent.
The dispersing agent is water glass, and the modulus of the water glass is 2.4.
Example 2
A beneficiation method of a superfine particle tungsten recovery beneficiation system comprises the following steps:
the method comprises the following steps: crushing mineral raw materials, and screening the crushed raw materials with a size fraction less than or equal to 0.03mm by using vibration equipment to obtain a first sorted material;
step two: enabling the first separated material in the first step to pass through first concentration equipment to obtain a first concentrated material with the mass concentration of 25%, and sequentially enabling the first concentrated material to enter a first stirring device and roughing equipment for separation to obtain a first concentrate, a first middling and a first tailing; dodecyl trimethyl ammonium bromide is added into the first stirring device 300; the stirring speed of the first stirring device 300 is 2000 r/min;
step three: continuously passing the first concentrate obtained in the step two through second concentration equipment to obtain a second concentrate with the mass concentration of 20%, and sequentially feeding the second concentrate into a second stirring device and concentration equipment for separation to obtain a second concentrate, a second middling and second tailings; the carboxylated chitosan is added into the second stirring device 600, and is prepared by soaking chitosan in 4 wt% oxalic acid for 4 hours;
step four: and returning the second middling in the third step to second concentration equipment for continuous operation, and returning the second tailings in the third step to the second step for recycling treatment.
The roughing device is a suspension vibration conical surface shaking table, the rotary vibration frequency is 285 rpm, the disc surface movement period is 170 seconds/rpm, the operation stroke of the suspension vibration conical surface shaking table is 10mm, and the stroke frequency is 200 times/min.
The selection equipment is a suspension vibration conical surface shaking table, the rotary vibration frequency is 400 r/min, the disc surface movement period is 190 s/r, the operation stroke of the suspension vibration conical surface shaking table is 10mm, and the stroke frequency is 205 times/min.
The mineral raw material is vertical ring high gradient magnetic separator tailings and/or flotation tailings.
In the first step, the first sorted material is also pretreated, which specifically comprises the following steps: the first sorting material is blended into ore pulp, a dispersing agent accounting for 500g/t of addition is added, and then an agglomeration agent accounting for 400g/t of addition is added, wherein the preparation method of the agglomeration agent comprises the following steps:
s1: adding 8g maltodextrin into 120ml acetic acid solution at 70 deg.C, stirring at constant temperature for 30min to obtain malt dextrin slurry;
s2: cooling the maltodextrin slurry to 45 ℃, adding a composite initiator consisting of 2mmol of ammonium ceric nitrate and 1mmol of potassium persulfate, and continuously stirring for 5min to obtain mixed slurry;
s3: to the mixed slurry was added 10ml of a metal-based vinylpyrrolidone ionic liquid, and the mixture was reacted for 1 hour after stirring to form an aggregating agent.
The dispersing agent is water glass, and the modulus of the water glass is 2.6.
Example 3
A beneficiation method of a superfine particle tungsten recovery beneficiation system comprises the following steps:
the method comprises the following steps: crushing mineral raw materials, and screening the crushed raw materials with a size fraction less than or equal to 0.03mm by using vibration equipment to obtain a first sorted material;
step two: enabling the first separated material in the first step to pass through first concentration equipment to obtain a first concentrated material with the mass concentration of 25%, and sequentially enabling the first concentrated material to enter a first stirring device and roughing equipment for separation to obtain a first concentrate, a first middling and a first tailing; sodium dodecyl sulfate is added into the first stirring device 300; the stirring speed of the first stirring device 300 is 2000 r/min;
step three: continuously passing the first concentrate obtained in the step two through second concentration equipment to obtain a second concentrate with the mass concentration of 30%, and sequentially feeding the second concentrate into a second stirring device and concentration equipment for separation to obtain a second concentrate, a second middling and second tailings; the carboxylated chitosan is added into the second stirring device 600, and the preparation method of the carboxylated chitosan is that the chitosan is put into 5 wt% oxalic acid to be soaked for 3 hours to prepare the carboxylated chitosan;
step four: and returning the second middling in the third step to second concentration equipment for continuous operation, and returning the second tailings in the third step to the second step for recycling treatment.
The roughing device is a suspension vibration conical surface shaking table, the rotary vibration frequency is 305 revolutions per minute, the disc surface movement period is 180 seconds per revolution, the operation stroke of the suspension vibration conical surface shaking table is 10mm, and the stroke frequency is 215 times per minute.
The selection equipment is a suspension vibration conical surface shaking table, the rotary vibration frequency is 415 r/min, the disc surface movement period is 190 s/r, the operation stroke of the suspension vibration conical surface shaking table is 10mm, and the stroke frequency is 205 times/min.
The mineral raw material is vertical ring high gradient magnetic separator tailings and/or flotation tailings.
In the first step, the first sorted material is also pretreated, which specifically comprises the following steps: the first sorting material is blended into ore pulp, a dispersing agent accounting for 500g/t of addition is added, and then an agglomeration agent accounting for 400g/t of addition is added, wherein the preparation method of the agglomeration agent comprises the following steps:
s1: adding 10g maltodextrin into 100ml acetic acid solution at 60 deg.C, stirring at constant temperature for 60min to obtain malt dextrin slurry;
s2: cooling the maltodextrin slurry to 50 ℃, adding a composite initiator consisting of 1.5mmol of ammonium ceric nitrate and 1.5mmol of potassium persulfate, and continuously stirring for 10min to obtain mixed slurry;
s3: to the mixed slurry was added 10ml of a metal-based vinylpyrrolidone ionic liquid, and the mixture was reacted for 2 hours with stirring to form an aggregating agent.
The dispersing agent is water glass, and the modulus of the water glass is 3.0.
Example 4
In this embodiment, a variation is made on the basis of embodiment 2, specifically, the stirring speed of the first stirring device 300 is 2500 r/min.
Example 5
This embodiment is a modification of embodiment 2, and specifically, the stirring speed of the first stirring device 300 is 3000 r/min.
Comparative example 1 (first fraction not pretreated)
A beneficiation method of a superfine particle tungsten recovery beneficiation system comprises the following steps:
the method comprises the following steps: crushing mineral raw materials, and screening the crushed raw materials with a size fraction less than or equal to 0.03mm by using vibration equipment to obtain a first sorted material;
step two: enabling the first separated material in the first step to pass through first concentration equipment to obtain a first concentrated material with the mass concentration of 25%, and sequentially enabling the first concentrated material to enter a first stirring device and roughing equipment for separation to obtain a first concentrate, a first middling and a first tailing; dodecyl trimethyl ammonium bromide is added into the first stirring device 300; the stirring speed of the first stirring device 300 is 2000 r/min;
step three: continuously passing the first concentrate obtained in the step two through second concentration equipment to obtain a second concentrate with the mass concentration of 20%, and sequentially feeding the second concentrate into a second stirring device and concentration equipment for separation to obtain a second concentrate, a second middling and second tailings; the carboxylated chitosan is added into the second stirring device 600, and the preparation method of the carboxylated chitosan is that the chitosan is put into 5 wt% oxalic acid to be soaked for 3 hours to prepare the carboxylated chitosan;
step four: and returning the second middling in the third step to second concentration equipment for continuous operation, and returning the second tailings in the third step to the second step for recycling treatment.
The roughing device is a suspension vibration conical surface shaking table, the rotary vibration frequency is 285 rpm, the disc surface movement period is 170 seconds/rpm, the operation stroke of the suspension vibration conical surface shaking table is 10mm, and the stroke frequency is 200 times/min.
The selection equipment is a suspension vibration conical surface shaking table, the rotary vibration frequency is 400 r/min, the disc surface movement period is 190 s/r, the operation stroke of the suspension vibration conical surface shaking table is 10mm, and the stroke frequency is 205 times/min.
The mineral raw material is vertical ring high gradient magnetic separator tailings and/or flotation tailings.
Comparative example 2 (without added surfactant)
A beneficiation method of a superfine particle tungsten recovery beneficiation system comprises the following steps:
the method comprises the following steps: crushing mineral raw materials, and screening the crushed raw materials with a size fraction less than or equal to 0.03mm by using vibration equipment to obtain a first sorted material;
step two: enabling the first separated material in the first step to pass through first concentration equipment to obtain a first concentrated material with the mass concentration of 25%, and sequentially enabling the first concentrated material to enter a first stirring device and roughing equipment for separation to obtain a first concentrate, a first middling and a first tailing;
step three: continuously passing the first concentrate obtained in the step two through second concentration equipment to obtain a second concentrate with the mass concentration of 20%, and sequentially feeding the second concentrate into a second stirring device and concentration equipment for separation to obtain a second concentrate, a second middling and second tailings; the carboxylated chitosan is added into the second stirring device 600, and the preparation method of the carboxylated chitosan is that the chitosan is put into 5 wt% oxalic acid to be soaked for 3 hours to prepare the carboxylated chitosan;
step four: and returning the second middling in the third step to second concentration equipment for continuous operation, and returning the second tailings in the third step to the second step for recycling treatment.
The roughing device is a suspension vibration conical surface shaking table, the rotary vibration frequency is 285 rpm, the disc surface movement period is 170 seconds/rpm, the operation stroke of the suspension vibration conical surface shaking table is 10mm, and the stroke frequency is 200 times/min.
The selection equipment is a suspension vibration conical surface shaking table, the rotary vibration frequency is 400 r/min, the disc surface movement period is 190 s/r, the operation stroke of the suspension vibration conical surface shaking table is 10mm, and the stroke frequency is 205 times/min.
The mineral raw material is vertical ring high gradient magnetic separator tailings and/or flotation tailings.
In the first step, the first sorted material is also pretreated, which specifically comprises the following steps: the first sorting material is blended into ore pulp, a dispersing agent accounting for 500g/t of addition is added, and then an agglomeration agent accounting for 400g/t of addition is added, wherein the preparation method of the agglomeration agent comprises the following steps:
s1: adding 8g maltodextrin into 120ml acetic acid solution at 70 deg.C, stirring at constant temperature for 30min to obtain malt dextrin slurry;
s2: cooling the maltodextrin slurry to 45 ℃, adding a composite initiator consisting of 2mmol of ammonium ceric nitrate and 1mmol of potassium persulfate, and continuously stirring for 5min to obtain mixed slurry;
s3: to the mixed slurry was added 10ml of a metal-based vinylpyrrolidone ionic liquid, and the mixture was reacted for 1 hour after stirring to form an aggregating agent.
The dispersing agent is water glass, and the modulus of the water glass is 2.6.
The preparation method of the metal-based vinylpyrrolidone ionic liquid comprises the following steps:
mixing vinylpyrrolidone (NVP) and 3-chloropropyltriethoxysilane (3-CTS) for reaction to generate functionalized ionic liquid ([ NVP-CTS ]]Cl-) (ii) a In the functionalized ionic liquid ([ NVP-CTS)]Cl-) Adding ferric trichloride (FeCl)3) Preparing and obtaining metal-based functionalized ionic liquid ([ NVP-CTS ]]FeCl4 -)。
Tests of the second concentrate yield, tungsten recovery and second concentrate grade were performed on the above examples and comparative examples; the yield of the second concentrate is the mass of the second concentrate/the mass of the mineral raw material, the recovery rate of tungsten is the mass percentage of tungsten metal in the concentrate/the mass percentage of tungsten metal in the mineral raw material, and the grade of tungsten in the second concentrate is the quality of WO in the second concentrate3The mass percentage of (A); the test values are shown in Table 1.
TABLE 1 Performance test values of examples and comparative examples
Test specimen Second concentrate yield (%) Tungsten recovery (%) Second concentrate grade (%)
Example 1 8.08 40.55 1.01
Example 2 8.11 40.71 1.02
Example 3 8.09 40.58 1.02
Example 4 8.07 40.39 1.00
Example 5 8.01 38.75 0.99
Comparative example 1 7.09 30.15 0.07
Comparative example 2 8.01 40.16 0.91
From the above table, it can be seen that the yield, the recovery rate of tungsten and the grade of the second concentrate in the embodiment are superior to those of the comparative example, which illustrates that the beneficiation method of the present invention can improve the recovery efficiency of the tungsten of the fine particle fraction, and the main reason is as follows, as can be seen from the comparison between the comparative example 1 and the embodiment, the pretreatment of the first sorting material is added in the embodiment, i.e. the dispersant is added in the first sorting material, then the agglomerating agent is added, the dispersant is used to disperse the gangue minerals and the useful minerals, then the agglomerating agent is used to agglomerate and increase the useful minerals, which is beneficial to the sorting process, so that the recovery rate of tungsten is greatly improved, in addition, the maltodextrin is firstly acidified in the process of preparing the agglomerating agent, the metal-based vinylpyrrolidone ionic liquid is added, on one hand, the stability of the metal-based vinylpyrrolidone ionic liquid is ensured, on the other hand, the metal base in the ionic liquid is Fe adopted in the embodiment3+Combining the characteristics of anions and cations of the ionic liquidAnd inorganic FeCl3The flocculation property of the mineral separation agent enables the agglomeration speed to be high and the mineral separation efficiency to be improved; as can be seen from the comparative analysis between the comparative example 2 and the example, in the example, the surfactant is added into the first stirring device, and then high-speed stirring is performed, so that the surfactant is charged, charged foam is formed, the charged foam is selectively attached to the surface of the useful mineral through electrostatic interaction in the slurry, the hydrophobicity of the surface of the useful mineral is enhanced, and the mineral dressing index is improved.
The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.
In the description of the embodiments of the present invention, it should be understood that "-" and "-" indicate the same range of two numerical values, and the range includes the endpoints. For example: "A-B" means a range of greater than or equal to A and less than or equal to B. "A to B" means a range of not less than A and not more than B.
In the description of the embodiments of the present invention, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by basically the same means are all within the protection scope of the present invention.

Claims (10)

1. The utility model provides a fine particle grade tungsten recovery ore dressing system which characterized in that: the device sequentially comprises a vibrating device (100), a first concentrating device (200), a first stirring device (300), a roughing device (400), a second concentrating device (500), a second stirring device (600) and a fine selecting device (700) according to the feeding direction.
2. The fine particle fraction tungsten recovery beneficiation system according to claim 1, wherein: the roughing device (400) and/or the refining device (700) is a suspended vibration conical surface shaking table.
3. The fine particle fraction tungsten recovery beneficiation system according to claim 1, wherein: the first concentrating device (200) and/or the second concentrating device (500) is a thickener.
4. The fine particle fraction tungsten recovery beneficiation system according to claim 1, wherein: the device also comprises a drug adding device for adding drugs to the roughing device (400) and/or the fine separation device (700).
5. A beneficiation method of a superfine particle tungsten recovery beneficiation system is characterized in that: the method comprises the following steps:
the method comprises the following steps: crushing mineral raw materials, and screening the crushed raw materials with a size fraction less than or equal to 0.03mm by using vibration equipment (100) to obtain a first sorted material;
step two: enabling the first separated material in the first step to pass through first concentration equipment (200) to obtain a first concentrated material with the mass concentration of 20-25%, and enabling the first concentrated material to sequentially enter a first stirring device (300) and roughing equipment (400) for separation to obtain a first concentrate, a first middling and first tailings; a surfactant is added into the first stirring device (300); the stirring speed of the first stirring device (300) is 2000-3000 r/min;
step three: continuously passing the first concentrate obtained in the step two through a second concentration device (500) to obtain a second concentrate with the mass concentration of 15-30%, and sequentially feeding the second concentrate into a second stirring device (600) and a fine concentration device (700) for separation to obtain a second concentrate, a second middling and a second tailing; carboxylated chitosan is added into the second stirring device (600);
step four: and (3) returning the second middling in the third step to a second concentration device (500) for continuous operation, and returning the second tailings in the third step to the second step for recycling treatment.
6. The beneficiation method of the fine particle fraction tungsten recovery beneficiation system according to claim 5, wherein: the roughing device (400) is a suspension vibration conical surface shaking table, the rotary vibration frequency is 270-.
7. The beneficiation method of the fine particle fraction tungsten recovery beneficiation system according to claim 5, wherein: the fine selection equipment (700) is a suspension vibration conical surface shaking table, the rotary vibration frequency is 370-.
8. The beneficiation method of the fine particle fraction tungsten recovery beneficiation system according to claim 5, wherein: the mineral raw material is vertical ring high gradient magnetic separator tailings and/or flotation tailings.
9. The beneficiation method of the fine particle fraction tungsten recovery beneficiation system according to claim 5, wherein: in the first step, the first sorted material is also pretreated, which specifically comprises the following steps: the preparation method comprises the following steps of mixing the first sorting material into ore pulp, adding a dispersing agent, and then adding an agglomeration agent, wherein the preparation method of the agglomeration agent comprises the following steps:
s1: adding maltodextrin into the acetic acid solution, and stirring at constant temperature to form malt paste seminal plasma;
s2: adding the maltodextrin slurry into a composite initiator consisting of ammonium ceric nitrate and potassium persulfate, and continuously stirring to obtain mixed slurry;
s3: and adding the mixed slurry into metal-based vinyl pyrrolidone ionic liquid, stirring, and reacting for 1-2 hours to form an agglomeration agent.
10. The beneficiation method of the fine particle fraction tungsten recovery beneficiation system according to claim 9, wherein: the dispersing agent is water glass, and the modulus of the water glass is 2.4-3.0.
CN202010950065.8A 2020-09-09 2020-09-09 Fine particle grade tungsten recovery beneficiation system and beneficiation method thereof Pending CN112295723A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010950065.8A CN112295723A (en) 2020-09-09 2020-09-09 Fine particle grade tungsten recovery beneficiation system and beneficiation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010950065.8A CN112295723A (en) 2020-09-09 2020-09-09 Fine particle grade tungsten recovery beneficiation system and beneficiation method thereof

Publications (1)

Publication Number Publication Date
CN112295723A true CN112295723A (en) 2021-02-02

Family

ID=74483918

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010950065.8A Pending CN112295723A (en) 2020-09-09 2020-09-09 Fine particle grade tungsten recovery beneficiation system and beneficiation method thereof

Country Status (1)

Country Link
CN (1) CN112295723A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1582261A1 (en) * 2004-04-02 2005-10-05 Genimin Device for separating minerals
CN102216336A (en) * 2008-09-15 2011-10-12 纳米化学解决方案有限公司 Method of making graft copolymers from sodium poly (aspartate) and the resulting graft copolymer
CN102688802A (en) * 2012-06-11 2012-09-26 中国瑞林工程技术有限公司 Size mixing and reselecting technology
CN104190528A (en) * 2014-08-29 2014-12-10 攀钢集团矿业有限公司 Method for recycling ultra-fine fraction titanic iron ore and production method for titanium concentrate
CN106279581A (en) * 2016-08-04 2017-01-04 湘潭大学 A kind of pH response/film adhesiveness amphipathic nature block polymer and preparation method thereof
CN106396068A (en) * 2016-07-04 2017-02-15 内蒙古森奇科技有限公司 A preparing method of a metal-based polyvinylpyrrolidone ionic liquid-grafted attapulgite clay composite flocculating agent and applications of the composite flocculating agent
CN107138284A (en) * 2017-05-09 2017-09-08 江西理工大学 A kind of beneficiation method for improving micro-fine particle white tungsten ore floatation indicators

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1582261A1 (en) * 2004-04-02 2005-10-05 Genimin Device for separating minerals
CN102216336A (en) * 2008-09-15 2011-10-12 纳米化学解决方案有限公司 Method of making graft copolymers from sodium poly (aspartate) and the resulting graft copolymer
CN102688802A (en) * 2012-06-11 2012-09-26 中国瑞林工程技术有限公司 Size mixing and reselecting technology
CN104190528A (en) * 2014-08-29 2014-12-10 攀钢集团矿业有限公司 Method for recycling ultra-fine fraction titanic iron ore and production method for titanium concentrate
CN106396068A (en) * 2016-07-04 2017-02-15 内蒙古森奇科技有限公司 A preparing method of a metal-based polyvinylpyrrolidone ionic liquid-grafted attapulgite clay composite flocculating agent and applications of the composite flocculating agent
CN106279581A (en) * 2016-08-04 2017-01-04 湘潭大学 A kind of pH response/film adhesiveness amphipathic nature block polymer and preparation method thereof
CN107138284A (en) * 2017-05-09 2017-09-08 江西理工大学 A kind of beneficiation method for improving micro-fine particle white tungsten ore floatation indicators

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
周龙廷: "《选矿厂设计》", 31 January 1999, 中南工业大学出版社 *
廖自基: "《微量元素的环境化学及生物效应》", 30 April 1992, 中国环境科学出版社 *
肖文工等: ""白钨精选尾矿综合回收钨、锡新工艺改造"", 《中国钨业》 *

Similar Documents

Publication Publication Date Title
CN103191828B (en) Floating titanium collecting agent and low-grade ilmenite separating method using same
CN204448258U (en) A kind of ore-dressing plant for super low-grade vanadium titano-magnetite
CN101733194B (en) Ore dressing method of low-grade manganese carbonate ore
CN103934099B (en) A kind of method reducing content of magnesium in pentlandite concentrate
CN110404667B (en) Method for recovering calcium-rich pyrochlore from weathered high-mud carbonate type niobium polymetallic ore
CN108380379B (en) Efficient and environment-friendly beneficiation method for low-grade magnetite
CN1718779A (en) Preparation method of super iron concentrate
CN103495509B (en) Micro-fine particle iron ore reverse flotation reagent and use method thereof
CN104128244B (en) Method for recycling iron ore concentrate from iron tailings and obtained iron ore concentrate
CN105880032B (en) A kind of mid-low grade collophanite ore floats combined sorting method again
CN113102114A (en) Efficient collecting agent for high-sulfur-content fine-fraction gold ore flotation
CN108579987A (en) A method of extracting quartz concentrate using desert drift-sand
CN106269212A (en) A kind of magnetic separation grading system is for the method for extraction of superpure concentrate of magnetite
CN112264193A (en) Spodumene high-selectivity combined collecting agent and preparation method and application thereof
CN115318443A (en) Flotation process method for micro-fine particle graphite
CN111013826B (en) Micro-fine particle mineral flotation recovery method
CN102921537B (en) Flotation agent, flotation method and flotation system for limonite
CN108339672A (en) The process of potassium feldspar is recycled in a kind of k-rich slate
CN112295723A (en) Fine particle grade tungsten recovery beneficiation system and beneficiation method thereof
CN102716805A (en) Flotation method for high-content slip manganese rock type low-grade nickel ores
CN102284381A (en) Method for separating fine-grain hematite of non-uniform grain sizes
CN205269878U (en) Ore dressing system of black and white tungsten in thin mud of recovery tungsten
CN113333180A (en) Flotation method for ore containing altered rock
CN202078962U (en) Ore dressing device
CN107661813B (en) Method for comprehensively recovering silver, lead and iron from electric precipitator dust

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20210202