CN116459944A - Titanium concentrate grading device and grading method thereof - Google Patents
Titanium concentrate grading device and grading method thereof Download PDFInfo
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- CN116459944A CN116459944A CN202310438557.2A CN202310438557A CN116459944A CN 116459944 A CN116459944 A CN 116459944A CN 202310438557 A CN202310438557 A CN 202310438557A CN 116459944 A CN116459944 A CN 116459944A
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- Prior art keywords
- centrifugal
- titano
- titanomagnetite
- magnetite
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- 239000012141 concentrate Substances 0.000 title claims abstract description 59
- 239000010936 titanium Substances 0.000 title claims abstract description 58
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 57
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 16
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 99
- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims description 174
- 238000012216 screening Methods 0.000 claims description 62
- 238000007599 discharging Methods 0.000 claims description 37
- 238000007885 magnetic separation Methods 0.000 claims description 37
- 238000003306 harvesting Methods 0.000 claims description 22
- 230000005540 biological transmission Effects 0.000 claims description 17
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000011707 mineral Substances 0.000 abstract description 2
- 229910001200 Ferrotitanium Inorganic materials 0.000 abstract 4
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical group O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 description 12
- 230000008569 process Effects 0.000 description 5
- 239000012752 auxiliary agent Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 150000003608 titanium Chemical class 0.000 description 2
- 229960005196 titanium dioxide Drugs 0.000 description 2
- 235000010215 titanium dioxide Nutrition 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052592 oxide mineral Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
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
- B03B9/00—General arrangement of separating plant, e.g. flow sheets
-
- 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
- B03C1/12—Magnetic separation acting directly on the substance being separated with cylindrical material carriers with magnets moving during operation; with movable pole pieces
-
- 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
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/02—Electric motor drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/04—Stationary flat screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Centrifugal Separators (AREA)
Abstract
The invention relates to the technical field of mineral separation and discloses a titanium concentrate grading device and a grading method thereof. According to the invention, under different rotation speeds of the centrifugal cylinders, the inclined collecting plates with different included angles with the horizontal plane are adopted, so that different grades of titano-magnetite can be accurately obtained, meanwhile, as the rotation speed of the centrifugal cylinders is gradually increased, the inclined angles of the inclined collecting plates matched with the protective sleeve and the top of the centrifugal cylinders are also sequentially increased, as the density of the ferrotitanium ore with higher grade is higher than that of the ferrotitanium ore with lower grade, as the density is reduced, the viscosity of the material and the inclined collecting plates is also increased, and the inclined collecting plates with higher inclined degree can be adopted to better output the ferrotitanium ore with lower grade, so that the graded output of the ferrotitanium ore with different grades is effectively ensured.
Description
Technical Field
The invention relates to the technical field of ore dressing, in particular to a titanium concentrate grading device and a grading method thereof.
Background
The titanium concentrate is selected from ilmenite or titanomagnetite, and is a raw material for producing titanium white with very wide application. Among them, ilmenite is an oxide mineral of iron and titanium, also called titanomagnetite, which is a main ore for refining titanium. Ilmenite is heavy, grey to black, and has a little metallic luster. The crystals are generally plate-shaped, and the crystals are gathered together into a block or granule, and are the main minerals for extracting titanium and titanium dioxide.
In order to improve the grade of the titanium concentrate and the yield of the titanium concentrate, common titanium-selecting process flows are strong magnetic separation, gravity separation, flotation and electric separation, and although the titanium concentrate can be selected according to the grade, the ore-selecting mode has large occupied area, a plurality of flows are adopted, water quantity and pollution required by classification are large, the classification speed is low, the classification efficiency is low, and the problems of unclear classification limit, large equipment volume and the like caused by inaccurate classified powder granularity range on a production line are also caused.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the following technical scheme:
a titanium concentrate classification device comprising: the device comprises a feeding mechanism, a screening mechanism, a magnetic separation mechanism, a centrifugal classification mechanism, a classified collection mechanism and a discharge mechanism; the titanomagnetite enters the titanomagnetite classifying device through the feeding mechanism, the feeding mechanism is used for quantitatively feeding the titanomagnetite into the screening mechanism in batches, the titanomagnetite fed quantitatively in each screening mechanism is screened according to granularity, the titanomagnetite with proper granularity is screened out and fed into the magnetic separation mechanism, the titanomagnetite is magnetically separated in the magnetic separation mechanism, the titanomagnetite with low grade is initially output by magnetic separation to the titanomagnetite classifying device, the titanomagnetite with high grade enters the centrifugal classifying mechanism, the centrifugal classifying mechanism carries out centrifugal classification at different centrifugal speeds, the different grades of titanomagnetite after centrifugal classification at different centrifugal speeds are respectively collected through the classifying collecting mechanism, and the titanomagnetite classifying device is respectively output through the discharging mechanism; the centrifugal classification mechanism comprises a centrifugal cylinder and a plurality of inclined collecting plates, the inclined collecting plates are sleeved outside the centrifugal cylinder, the included angle between each inclined collecting plate and the horizontal plane is sequentially increased from top to bottom, and each inclined collecting plate can independently move up and down; the rotating speed of the centrifugal cylinder can be adjusted in a stepping way, and in each rotating gear of the centrifugal cylinder, the rotating speed of the centrifugal cylinder is sequentially increased; and along with the change of the rotation gear of the centrifugal cylinder, the inclined collecting plate matched with the top of the centrifugal cylinder is replaced.
Preferably, the centrifugal classification mechanism further comprises a driving motor and a transmission assembly, wherein the driving motor is in power transmission with the centrifugal barrel through the transmission assembly; the rotation speed of the output shaft of the driving motor can be adjusted in a stepping way, and in each rotation gear of the centrifugal cylinder, the rotation speed of the output shaft of the driving motor is sequentially increased; in each rotation gear of the centrifugal cylinder, the output time of the driving motor is sequentially reduced along with the increase of the rotation speed of the output shaft.
Preferably, a protective sleeve is arranged between the centrifugal cylinder and the plurality of inclined collecting plates, each inclined collecting plate can translate up and down outside the protective sleeve, and the upper surface of the protective sleeve is gradually lowered from the center of a circle to the outside; the outer side of the inclined collecting plates is also provided with a lifting driving assembly, and the lifting driving assembly can drive each inclined collecting plate to move when each centrifugal cylinder rotates at each gear, and the inclined collecting plates are gradually increased in inclination angle along with the gradual increase of the rotating speed of the centrifugal cylinder and are matched with the top of the protective sleeve and the top of the centrifugal cylinder.
Preferably, the lifting driving assembly comprises a lifting driving motor, a main driving rod and a plurality of stabilizing rods, and the main driving rod and the stabilizing rods respectively penetrate through each inclined collecting plate in sequence; the main driving rod is in threaded connection with each inclined collecting plate, and an output shaft of the lifting driving motor is fixedly connected with the main driving rod; the lifting driving motor can rotate and drive each inclined collecting plate to synchronously lift through threaded connection between the main driving rod and each inclined collecting plate.
Preferably, the feeding mechanism comprises a feeding cylinder, a feeding port is formed in the bottom end of the feeding cylinder, the feeding port is communicated with the screening mechanism, a rotating plate is arranged in the feeding cylinder, and an opening which is congruent with the feeding port is formed in the surface of the rotating plate; the rotating plate rotates at a constant speed, and can send titanomagnetite of the feeding cylinder into the screening mechanism when the opening and the feeding port are communicated each time; when the rotating plate stops running and the opening port and the feeding port are closed, titano-magnetite is stopped from being fed into the screening mechanism.
Preferably, the screening mechanism comprises a first-stage screen, a second-stage screen and a crushed aggregates channel which are sequentially arranged from top to bottom, wherein only the titanomagnetite trapped by the second-stage screen is titanomagnetite with proper granularity, one end of the second-stage screen with lower height is provided with a conveying channel, and the conveying channel can convey the titanomagnetite with proper granularity trapped by the second-stage screen into the magnetic separation mechanism; the one end that the one-level screen height is lower is provided with the blanking passageway, the blanking passageway with the titano-magnetite of crushed aggregates passageway is all from the inside output of this kind of titanium concentrate grading plant.
Preferably, the magnetic separation mechanism comprises a sleeve roller, an internal magnet, a collecting sleeve and a discharger, wherein the internal magnet, the sleeve roller and the collecting sleeve are sequentially arranged from inside to outside, and the discharger is arranged on one side of the sleeve roller; after titano-magnetite with proper granularity is prepared into ore pulp in a conveying channel, the titano-magnetite with low grade is adsorbed on the outer side of a sleeve roller by a built-in magnet, and then is scraped and collected by a discharger and then is output to the titanium concentrate classification device; and the high-grade titano-magnetite ore pulp enters the centrifugal classification mechanism through a discharge port arranged at the bottom end of the collecting sleeve.
Preferably, the grading harvesting mechanism comprises a discharging plate, and harvesting holes with the same number as the inclined collecting plates are formed in the discharging plate; when each inclined collecting plate is matched with the top of the centrifugal cylinder, the position of only one collecting hole can be matched with the inclined collecting plate currently matched with the top of the centrifugal cylinder, and the position of each collecting hole can be matched with each inclined collecting plate.
Preferably, the discharging mechanism comprises a plurality of discharging branch pipes and a main discharging pipe, the number of the discharging branch pipes is consistent with that of the collecting holes, one end of each discharging branch pipe is communicated with each collecting hole, and the other end of each discharging branch pipe is communicated with the main discharging pipe.
A titanium concentrate classification method uses a titanium concentrate classification device, which comprises the following steps:
s1, pouring titanomagnetite into a feeding mechanism, and quantitatively feeding the titanomagnetite into a screening mechanism in batches by the feeding mechanism;
s2, screening the titano-magnetite quantitatively fed in each time in a screening mechanism according to the granularity, and screening out the titano-magnetite with proper granularity;
s3, preparing titano-magnetite with proper granularity into titano-magnetite pulp, and then sending the titano-magnetite pulp into a magnetic separation mechanism;
s4, carrying out magnetic separation on the titano-magnetite in the magnetic separation mechanism, primarily outputting the low-grade titano-magnetite to the titano-concentrate classification device through magnetic separation, and enabling the high-grade titano-magnetite ore pulp to enter the centrifugal classification mechanism;
s5, carrying out centrifugal classification on the high-grade titano-magnetite ore pulp in a centrifugal classification mechanism at different centrifugal speeds and different centrifugal times;
s6, respectively harvesting the titano-magnetite ore pulp of different grades after centrifugal classification at different centrifugal speeds through a classifying and harvesting mechanism;
s7, respectively outputting the classified titano-magnetite ore pulp with different grades to the titano-concentrate classification device through a discharge mechanism.
Compared with the prior art, the invention provides a titanium concentrate grading device and a grading method thereof, which have the following beneficial effects:
1. this kind of titanium concentrate grading plant adopts the different slope collecting plates of contained angle with the horizontal plane under the rotation speed of different centrifugal barrels, through the different slope collecting plates of contained angle with the horizontal plane between carry out the classified output to different positions to the titanium magnetite of different specific masses, can gather respectively through different collection positions with the titanium magnetite of different grades after centrifugal classification under the different centrifugal speeds through the hierarchical mechanism of gathering, export this kind of titanium concentrate grading plant respectively through the bin outlet mechanism, in order to obtain different grades of titanium magnetite accurately, simultaneously because along with the rotational speed of centrifugal barrel increases gradually, the slope collecting plate inclination that agrees with protection sleeve and centrifugal barrel top also increases in proper order, because the density of higher ilmenite of grade is greater than the lower ilmenite of grade, and along with the reduction of density, the material also increases with the viscous force of slope collecting plate, consequently adopt the slope collecting plate that the inclination is higher can export the lower ilmenite of grade better, effectively guarantee that the ilmenite of different grades carries out classified output.
2. In each batch, the titanomagnetite is quantitatively and repeatedly sent into the screening mechanism, and the titanomagnetite of the feeding cylinder is sent into the screening mechanism when the opening and the feeding port are communicated each time through the rotating plate and uniformly sent into the screening mechanism for multiple times; and after the transportation of the batch of titanomagnetite is completed, the opening and the feeding port are closed through the rotating plate, the titanomagnetite is stopped to be fed into the screening mechanism, and the titanomagnetite is fed for multiple times in batches, so that the titanomagnetite can be uniformly treated in the process of entering the screening mechanism and even in the subsequent classification treatment, the reduction of the treatment effect caused by the accumulation of the titanomagnetite is prevented, and the operation efficiency of the titanomagnetite classification device is ensured.
Drawings
FIG. 1 is a schematic perspective view of a titanium concentrate classification device according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of a titanium concentrate classification device according to the present invention;
FIG. 3 is a schematic diagram of the assembly structure of a titanium concentrate classification device according to the present invention;
FIG. 4 is a schematic diagram of the assembled structure of the centrifugal classification mechanism of the present invention;
FIG. 5 is a schematic perspective view of each inclined collection plate according to the present invention;
FIG. 6 is a second perspective view of the inclined collection plates of the present invention;
FIG. 7 is a schematic diagram of a comparative construction of each inclined collector plate of the present invention;
FIG. 8 is a schematic view of the assembled structure of the feed mechanism of the present invention;
FIG. 9 is a schematic perspective view of a screening mechanism according to the present invention;
FIG. 10 is a schematic cross-sectional view of a screening mechanism according to the present invention;
FIG. 11 is a schematic perspective view of a magnetic separation mechanism according to the present invention;
fig. 12 is a schematic view of the internal structure of the magnetic separation mechanism of the present invention.
In the figure: 1. a feed mechanism; 11. a feed cylinder; 12. a feed inlet; 13. a rotating plate; 14. an opening; 2. a screening mechanism; 21. a first-stage screen; 22. a second-stage screen; 23. a chaff channel; 24. a conveying channel; 3. a magnetic separation mechanism; 31. sleeving rollers; 32. a magnet is arranged in the magnetic core; 33. collecting the sleeve; 331. a discharge port; 34. a discharger; 4. a centrifugal classification mechanism; 41. a centrifugal barrel; 42. tilting the collection plate; 43. a driving motor; 44. a transmission assembly; 45. a protective sleeve; 46. a lifting driving assembly; 461. a lifting driving motor; 462. a main driving rod; 463. a stabilizer bar; 5. a graded harvesting mechanism; 51. a discharge plate; 6. a discharging mechanism; 61. a discharge branch pipe; 62. and a main discharge pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As described in the background art, the prior art has shortcomings, and in order to solve the above technical problems, the present application provides a titanium concentrate classification device and a classification method thereof.
Embodiment one:
referring to fig. 1-12, a titanium concentrate classification device comprises: a feeding mechanism 1, a screening mechanism 2, a magnetic separation mechanism 3, a centrifugal classification mechanism 4, a classified harvesting mechanism 5 and a discharge mechanism 6; the titano-magnetite enters the titano-concentrate classifying device through a feeding mechanism 1, the feeding mechanism 1 is used for quantitatively feeding the titano-magnetite into a screening mechanism 2 in batches, the titano-magnetite quantitatively fed into the screening mechanism 2 each time is classified according to granularity, the titano-magnetite with proper granularity is screened out and fed into a magnetic separation mechanism 3, the titano-magnetite is magnetically separated in the magnetic separation mechanism 3, the titano-magnetite with low grade is primarily magnetically separated to output the titano-concentrate classifying device, the titano-magnetite with high grade enters a centrifugal classifying mechanism 4, the titano-magnetite with high grade is the titano-concentrate at the moment, centrifugal classification is carried out in the centrifugal classifying mechanism 4 at different centrifugal speeds, the different grades of titano-magnetite centrifugally classified at the different centrifugal speeds are respectively collected through a classification collecting mechanism 5, and the titano-concentrate classifying device is respectively output through a discharging mechanism 6; the centrifugal classification mechanism 4 comprises a centrifugal cylinder 41 and a plurality of inclined collecting plates 42, the inclined collecting plates 42 are sleeved outside the centrifugal cylinder 41, the included angle between each inclined collecting plate 42 and the horizontal plane is sequentially increased from top to bottom, and each inclined collecting plate 42 can independently move up and down; the rotational speed of the centrifugal cylinder 41 can be adjusted in steps, and the rotational speed of the centrifugal cylinder 41 is sequentially increased in each rotational step of the centrifugal cylinder 41; as the rotational position of the centrifuge bowl 41 changes, the inclined collection plate 42 that engages the top of the centrifuge bowl 41 is also replaced.
When the method is used, the mined titano-magnetite is initially crushed and then is fed into the feeding mechanism 1, wherein in the feeding mechanism 1, the titano-magnetite can be fed into the screening mechanism 2 in batches, and in the classifying treatment process of each batch of titano-magnetite, the titano-magnetite is not fed into the screening mechanism 2 any more;
in each batch, the titanomagnetite is quantitatively and repeatedly sent into the screening mechanism 2, so that the titanomagnetite can be uniformly processed in the screening mechanism 2 and even in the subsequent classification processing, the processing effect is prevented from being reduced due to accumulation of the titanomagnetite, in the screening mechanism 2, the titanomagnetite is classified according to the granularity, the titanomagnetite with the granularity of 2-3mm is screened out as the titanomagnetite with the proper granularity, the titanomagnetite with the proper granularity is mixed with water and other auxiliary agents to form titanomagnetite pulp (the steps of mixing the titanomagnetite with water and other auxiliary agents and the other auxiliary agents are common schemes in the prior art, and are not repeated here), after the titanomagnetite pulp enters the magnetic separation mechanism 3, the low-grade titanomagnetite is magnetically separated and adsorbed, and then discharged out of the titanomagnetite concentrate classification device, the high-grade titanomagnetite enters the centrifugal classification mechanism 4 along with the ore pulp, the high-grade titanomagnetite can be classified according to the specific quality, further sub-classified according to the specific quality, and classified by different centrifugal speeds in the centrifugal classification mechanism 4;
under the rotation speed of different centrifugal barrels 41, adopt the different inclined collecting plates 42 of contained angle with the horizontal plane, through the different inclined collecting plates 42 of contained angle with the horizontal plane to carry out the classified output to different positions to the titano-magnetite of different specific masses, can carry out the separate harvesting through the different collection positions with the different titano-magnetite that gathers after centrifugal classification under the different centrifugal speeds through hierarchical harvesting mechanism 5, export this kind of titano-concentrate grading plant respectively through discharging mechanism 6, so as to obtain the titano-magnetite of different grades accurately, simultaneously because with the rotational speed of centrifugal barrel 41 gradually increases, the inclined collecting plates 42 inclination angle that agrees with protection sleeve 45 and centrifugal barrel 41 top also increases in proper order, and because the effect of centrifugation, the higher grade ilmenite is at the lower time of rotational speed at first by the output collection, the higher grade ilmenite is at the higher time of rotational speed, relatively, the density of the higher grade ilmenite is greater than the lower grade ilmenite, and along with the reduction of density, the viscous force of this kind of titanium concentrate grading device is exported respectively, so that the higher grade (the inclined collecting plates 42 of the higher grade titanium ore is higher in proper order) can carry out the output of the same grade of the different grade ilmenite effectively because of the higher grade ore is exported with the inclined plate of higher grade that adopts the inclined titanium ore that is guaranteed.
Further, referring to fig. 4 to 7, the centrifugal classification mechanism 4 further includes a driving motor 43 and a transmission assembly 44, and the driving motor 43 is in power transmission with the centrifugal barrel 41 through the transmission assembly 44; the rotation speed of the output shaft of the driving motor 43 can be adjusted in a stepping manner, and the rotation speed of the output shaft of the driving motor 43 is sequentially increased in each rotation gear of the centrifugal cylinder 41; in each rotational gear of the centrifugal cylinder 41, the output time of the drive motor 43 decreases in sequence as the rotational speed of the output shaft increases.
A protective sleeve 45 is arranged between the centrifugal cylinder 41 and the plurality of inclined collecting plates 42, each inclined collecting plate 42 can translate up and down outside the protective sleeve 45, and the height of the upper surface of the protective sleeve 45 is gradually reduced from the center of a circle to the outside; the outer sides of the plurality of inclined collecting plates 42 are further provided with lifting driving assemblies 46, and the lifting driving assemblies 46 can drive each inclined collecting plate 42 to move respectively when each centrifugal cylinder 41 rotates at each gear, and the inclined collecting plates 42 matched with the top of the protective sleeve 45 and the centrifugal cylinder 41 are sequentially increased along with the gradual increase of the rotating speed of the centrifugal cylinder 41.
The lifting driving assembly 46 comprises a lifting driving motor 461, a main driving rod 462 and a plurality of stabilizing rods 463, wherein the main driving rod 462 and the stabilizing rods 463 respectively penetrate through the inclined collecting plates 42 in sequence; the main driving rod 462 is respectively in threaded connection with each inclined collecting plate 42, and the output shaft of the lifting driving motor 461 is fixedly connected with the main driving rod 462; the elevation driving motor 461 rotates to drive the respective inclined collecting plates 42 to be elevated synchronously by screw connection between the main driving rod 462 and the respective inclined collecting plates 42.
When the device is used, high-grade titanomagnetite enters the centrifugal classification mechanism 4 along with ore pulp, after the ore pulp completely flows into the centrifugal classification mechanism 4, the driving motor 43 starts to output power through the transmission component 44 (the transmission component 44 can be in a conventional transmission mode such as gear transmission and belt transmission, and the like, and is preferably in belt transmission in the present example), the rotation speed of the output shaft of the driving motor 43 can be increased along with the rising of each rotation gear of the centrifugal cylinder 41 (the number of rotation gears of the centrifugal cylinder 41 is consistent with the number of the inclined collecting plates 42, the rotation speed of the output shaft of the driving motor 43 is sequentially increased from 1 grade to 4 grade), so that the centrifugal force generated inside the centrifugal cylinder 41 can not keep the centrifugal rotation density higher (the grade higher) is sequentially increased, the titanium magnetite which can not keep the centrifugal rotation is firstly separated from the centrifugal cylinder 41, and enters the inclined collecting plates 42 which are matched with the top of the protective sleeve 45 and the centrifugal cylinder 41 through the upper surface of the circle center gradually reduced gradually, because the rotation of the lifting driving motor 461 can be connected with the threads between the main driving rod 462 and each inclined collecting plate 42, the titanium magnetite can be synchronously inclined with the inclined collecting plates 42 to effectively output the inclined collecting plates which can not be inclined at the same level as the top of the centrifugal cylinder 41, and the inclined collecting plate 42 can be effectively inclined at the same level as the inclined collecting plate 42 is higher than the inclined collecting plate which can be effectively increased at the top than the upper grade of the centrifugal cylinder 41.
Further, referring to fig. 2 and 8-10, the feeding mechanism 1 includes a feeding cylinder 11, a feeding port 12 is provided at the bottom end of the feeding cylinder 11, the feeding port 12 is communicated with the screening mechanism 2, a rotating plate 13 is provided inside the feeding cylinder 11, and an opening 14 congruent to the feeding port 12 is provided on the surface of the rotating plate 13; the rotating plate 13 rotates at a constant speed, and can send the titanomagnetite of the feeding cylinder 11 into the screening mechanism 2 when the opening 14 is communicated with the feeding port 12 each time; when the rotation plate 13 is stopped and the opening 14 and the feed port 12 are closed, the titano-magnetite is stopped from being fed into the screening mechanism 2.
When in use, the titanomagnetite of the feeding cylinder 11 is fed into the screening mechanism 2 when the rotary plate 13 rotates at a constant speed and is communicated with the feeding port 12 every time between the opening 14, so that the titanomagnetite of the same batch can be uniformly fed into the screening mechanism 2 for a plurality of times; and after the transportation of the batch of titanomagnetite is completed, the opening 14 and the feeding port 12 are closed by rotating the rotating plate 13, the titanomagnetite is stopped to be fed into the screening mechanism 2, and the feeding is carried out for multiple times in batches, so that the operation efficiency of the titanomagnetite classification device is ensured.
Further, referring to fig. 2 and 9-10, the screening mechanism 2 includes a first-stage screen 21, a second-stage screen 22 and a crushed aggregates channel 23 sequentially arranged from top to bottom, wherein only titano-magnetite trapped by the second-stage screen 22 is titano-magnetite with proper granularity, a conveying channel 24 is arranged at one end of the second-stage screen 22 with lower height, and the conveying channel 24 can send titano-magnetite with proper granularity trapped by the second-stage screen 22 into the magnetic separation mechanism 3; the lower one end of one-level screen cloth 21 height is provided with blanking passageway, and the titano-magnetite of blanking passageway and crushed aggregates passageway 23 is all exported from this kind of titanium concentrate grading plant inside.
Thus, through the arrangement of the first-stage screen 21, the second-stage screen 22 and the crushed aggregates channel 23, the titano-magnetite which does not meet the particle size requirement (2-3 mm titano-magnetite is taken as titano-magnetite with proper granularity) is output from the first-stage screen 21, the blanking channel and the crushed aggregates channel 23 respectively, so as to finish the preliminary screening of the screening mechanism 2, and effectively ensure that the granularity of the titano-magnetite meets the use conditions of the magnetic separation mechanism 3 and the centrifugal classification mechanism 4.
Further, referring to fig. 2 and 11-12, the magnetic separation mechanism 3 includes a sleeve roller 31, a built-in magnet 32, a collecting sleeve 33 and a discharger 34, wherein the built-in magnet 32, the sleeve roller 31 and the collecting sleeve 33 are sequentially arranged from inside to outside, and the discharger 34 is arranged at one side of the sleeve roller 31; after titano-magnetite with proper granularity is prepared into ore pulp in the conveying channel 24, the titano-magnetite with low grade is adsorbed on the outer side of the sleeve roller 31 by the built-in magnet 32, and then is scraped and collected by the discharger 34 and then is output to the titanium concentrate classification device; the high-grade titano-magnetite ore pulp enters the centrifugal classification mechanism 4 through a discharge port 331 arranged at the bottom end of the collecting sleeve 33.
The titano-magnetite with proper granularity is prepared into ore pulp in the conveying channel 24, and then is sent into the magnetic separation mechanism 3, the titano-magnetite with low grade is adsorbed on the outer side of the sleeve roller 31 by the built-in magnet 32, and then is scraped and collected by the discharger 34 and then is output to the titanium concentrate classification device; the high-grade titano-magnetite ore pulp enters the centrifugal classification mechanism 4 through a discharge port 331 arranged at the bottom end of the collecting sleeve 33.
Further, referring to fig. 2-6, the grading harvesting mechanism 5 includes a discharging plate 51, and harvesting holes with the same number as the inclined collecting plates 42 are formed on the discharging plate 51; when each inclined collection plate 42 is engaged with the top of the centrifuge bowl 41, the position of the single harvesting hole can be matched with the inclined collection plate 42 currently engaged with the top of the centrifuge bowl 41.
The discharging mechanism 6 comprises a plurality of discharging branch pipes 61 and main discharging pipes 62, the number of the discharging branch pipes 61 is consistent with that of the collecting holes, one end of each discharging branch pipe 61 is communicated with each collecting hole, and the other end of each discharging branch pipe 61 is communicated with the main discharging pipe 62.
So that the position of the only one collecting hole can be matched with the position of the inclined collecting plate 42 which is matched with the top of the centrifugal barrel 41 at present when the inclined collecting plate 42 is changed by changing the rotation gear of the centrifugal barrel 41 through the arrangement of the discharging plate 51 of the grading collecting mechanism 5, so that the titanium magnetite which is produced in grading can only be discharged from the collecting hole communicated with the displacement and the discharging branch pipe 61 through the main discharging pipe 62, and the grading of the titanium concentrate is completed.
Working principle: the mined titano-magnetite is fed into the feeding mechanism 1 after being primarily crushed, wherein in the feeding mechanism 1, the titano-magnetite can be fed into the screening mechanism 2 in batches, and in the classifying treatment process of each batch of titano-magnetite, the titano-magnetite is not fed into the screening mechanism 2 any more;
in each batch, the titano-magnetite is quantitatively fed into the screening mechanism 2 for a plurality of times, and the titano-magnetite of the feed cylinder 11 is fed into the screening mechanism 2 when being communicated between the opening 14 and the feed inlet 12 each time by the uniform rotation of the rotating plate 13, so that the titano-magnetite of the same batch can be fed into the screening mechanism 2 uniformly for a plurality of times; and after the transportation of the batch of titanomagnetite is completed, the rotating plate 13 rotates to seal the opening 14 from the feeding port 12, the titanomagnetite is stopped to be fed into the screening mechanism 2, and is fed for multiple times in batches, so that the titanomagnetite can be uniformly treated in the process of entering the screening mechanism 2 and even in the subsequent classification treatment, the treatment effect reduction caused by the accumulation of the titanomagnetite is prevented, and the operation efficiency of the titanomagnetite classification device is ensured.
Then, in screening mechanism 2, carry out the screening to titano-magnetite according to the granularity, through the setting of first order screen cloth 21, second grade screen cloth 22 and crushed aggregates passageway 23, export the titano-magnetite that does not accord with the particle diameter requirement (2-3 mm's titano-magnetite as the titano-magnetite of suitable granularity) respectively from first order screen cloth 21 and blanking passageway and crushed aggregates passageway 23 to accomplish screening mechanism 2's preliminary screening, effectively guarantee that the granularity of titano-magnetite accords with the service condition of magnetic separation mechanism 3 and centrifugal classification mechanism 4.
Adding water and other auxiliary agents into titano-magnetite with proper granularity in a conveying channel 24, mixing into titano-magnetite ore pulp, after the titano-magnetite ore pulp enters the magnetic separation mechanism 3, absorbing low-grade titano-magnetite by a built-in magnet 32 on the outer side of a sleeve roller 31, scraping and collecting by a discharger 34, and outputting the titano-magnetite ore pulp to a titanium concentrate classification device; the ore pulp of the high-grade titanomagnetite (namely, the titanomagnetite concentrate) enters the centrifugal classification mechanism 4 through a discharge port 331 arranged at the bottom end of the collecting sleeve 33.
The high-grade titanomagnetite enters the centrifugal classification mechanism 4 along with ore pulp, after the ore pulp completely flows into the centrifugal classification mechanism 4, the driving motor 43 starts to output power through the transmission component 44, the rotating speed of the output shaft of the driving motor 43 can be increased along with the increase of each rotating gear of the centrifugal cylinder 41, so that the centrifugal force generated inside the centrifugal cylinder 41 is also increased in sequence, the titanomagnetite which cannot keep the centrifugal rotation and has larger density (higher grade) is separated from the centrifugal cylinder 41 at first, the titanomagnetite passes through the upper surface of the protective sleeve 45, which gradually decreases from the center of the circle to the outside, enters the inclined collecting plate 42 which is matched with the protective sleeve 45 and the top of the centrifugal cylinder 41, and because the lifting driving motor 461 rotates and can drive each inclined collecting plate 42 to synchronously lift along with the increase of the rotating gear of the centrifugal cylinder 41, the inclined collecting plate 42 which is matched with the protective sleeve 45 and the top of the centrifugal cylinder 41 is also increased in sequence, and the titanium ore can be effectively classified by adopting the inclined collecting plate 42 with higher grade.
In the classified harvesting mechanism 5, when the rotation gear of the centrifugal barrel 41 is changed, and the inclined collecting plate 42 is changed, the position of the only one harvesting hole can be matched with the position of the inclined collecting plate 42 which is matched with the top of the centrifugal barrel 41 at present, so that the titanium magnetite which is produced in a classified way can be discharged out of the titanium concentrate classification device through the main discharging pipe 62 only through the harvesting hole communicated with the displacement and the discharging branch pipe 61, and classification of titanium concentrate is completed.
Embodiment two:
a titanium concentrate classification method using a titanium concentrate classification apparatus according to embodiment one, comprising the steps of:
s1, pouring titanomagnetite into a feeding mechanism 1, and quantitatively feeding titanomagnetite into a screening mechanism 2 in batches by the feeding mechanism 1;
s2, screening the titano-magnetite quantitatively fed each time in a screening mechanism 2 according to the granularity, and screening out the titano-magnetite with proper granularity;
s3, preparing titano-magnetite with proper granularity into titano-magnetite pulp, and then sending the titano-magnetite pulp into a magnetic separation mechanism 3;
s4, carrying out magnetic separation on the titano-magnetite in the magnetic separation mechanism 3, primarily outputting the low-grade titano-magnetite to the titano-concentrate classification device through magnetic separation, and enabling the high-grade titano-magnetite ore pulp to enter the centrifugal classification mechanism 4, wherein the high-grade titano-magnetite is the titano-concentrate;
s5, carrying out centrifugal classification on the high-grade titano-magnetite ore pulp in a centrifugal classification mechanism 4 at different centrifugal speeds and different centrifugal times;
s6, respectively harvesting the titano-magnetite ore pulp of different grades after centrifugal classification at different centrifugal speeds through a classifying and harvesting mechanism 5;
s7, respectively outputting the classified titano-magnetite ore pulp with different grades to the titano-concentrate classification device through a discharge mechanism 6.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A titanium concentrate classification device, comprising: the device comprises a feeding mechanism (1), a screening mechanism (2), a magnetic separation mechanism (3), a centrifugal classification mechanism (4), a classified harvesting mechanism (5) and a discharge mechanism (6);
the titanomagnetite enters the titanomagnetite classifying device through the feeding mechanism (1), the feeding mechanism (1) is used for quantitatively feeding the titanomagnetite into the screening mechanism (2) in batches, the titanomagnetite fed into the screening mechanism (2) quantitatively each time is screened according to granularity, the titanomagnetite with proper granularity is screened out and fed into the magnetic separation mechanism (3), the titanomagnetite is magnetically separated in the magnetic separation mechanism (3), the low-grade titanomagnetite is initially magnetically separated to output the titanomagnetite classifying device, the high-grade titanomagnetite enters the centrifugal classifying mechanism (4), centrifugal classification is carried out in the centrifugal classifying mechanism (4) at different centrifugal speeds, the centrifugally classified titanomagnetite with different grades is respectively collected through the classifying collecting mechanism (5), and the discharge mechanism (6) is respectively used for outputting the titanomagnetite classifying device;
the centrifugal classification mechanism (4) comprises a centrifugal cylinder (41) and a plurality of inclined collecting plates (42), the inclined collecting plates (42) are sleeved outside the centrifugal cylinder (41), the included angle between each inclined collecting plate (42) and the horizontal plane is sequentially increased from top to bottom, and each inclined collecting plate (42) can independently move up and down;
the rotational speed of the centrifugal cylinder (41) can be adjusted in a stepping manner, and the rotational speed of the centrifugal cylinder (41) is sequentially increased in each rotational gear of the centrifugal cylinder (41); with the change of the rotation gear of the centrifugal cylinder (41), the inclined collecting plate (42) matched with the top of the centrifugal cylinder (41) is replaced.
2. The titanium concentrate classification apparatus according to claim 1, wherein: the centrifugal classification mechanism (4) further comprises a driving motor (43) and a transmission assembly (44), wherein the driving motor (43) is in power transmission with the centrifugal cylinder (41) through the transmission assembly (44);
the rotation speed of the output shaft of the driving motor (43) can be adjusted in a stepping way, and the rotation speed of the output shaft of the driving motor (43) is sequentially increased in each rotation gear of the centrifugal cylinder (41);
in each rotation gear of the centrifugal cylinder (41), the output time of the driving motor (43) sequentially decreases along with the increase of the rotation speed of the output shaft.
3. The titanium concentrate classification apparatus according to claim 1, wherein: a protective sleeve (45) is arranged between the centrifugal cylinder (41) and the plurality of inclined collecting plates (42), each inclined collecting plate (42) can translate up and down outside the protective sleeve (45), and the height of the upper surface of the protective sleeve (45) is gradually reduced from the center of a circle to the outside;
the outer sides of the inclined collecting plates (42) are further provided with lifting driving assemblies (46), the lifting driving assemblies (46) can drive the inclined collecting plates (42) to move respectively when the centrifugal cylinders (41) rotate in each gear, and the inclined collecting plates (42) matched with the tops of the protective sleeves (45) and the centrifugal cylinders (41) are sequentially increased along with the gradual increase of the rotating speed of the centrifugal cylinders (41).
4. A titanium concentrate classification apparatus according to claim 3, characterized in that: the lifting driving assembly (46) comprises a lifting driving motor (461), a main driving rod (462) and a plurality of stabilizing rods (463), and the main driving rod (462) and the stabilizing rods (463) respectively penetrate through the inclined collecting plates (42) in sequence;
the main driving rod (462) is respectively in threaded connection with each inclined collecting plate (42), and an output shaft of the lifting driving motor (461) is fixedly connected with the main driving rod (462);
the lifting driving motor (461) can drive each inclined collecting plate (42) to synchronously lift through threaded connection between the main driving rod (462) and each inclined collecting plate (42).
5. The titanium concentrate classification apparatus according to claim 1, wherein: the feeding mechanism (1) comprises a feeding cylinder (11), a feeding port (12) is formed in the bottom end of the feeding cylinder (11), the feeding port (12) is communicated with the screening mechanism (2), a rotating plate (13) is arranged in the feeding cylinder (11), and an opening (14) which is congruent with the feeding port (12) is formed in the surface of the rotating plate (13);
the rotating plate (13) rotates at a constant speed, and can send titanomagnetite of the feeding cylinder (11) into the screening mechanism (2) each time the opening (14) is communicated with the feeding port (12);
when the rotation plate (13) stops running and the opening (14) and the feeding hole (12) are closed, titano-magnetite is stopped from being fed into the screening mechanism (2).
6. The titanium concentrate classification apparatus according to claim 1, wherein: the screening mechanism (2) comprises a first-stage screen (21), a second-stage screen (22) and a crushed aggregates channel (23) which are sequentially arranged from top to bottom, wherein only titanomagnetite trapped by the second-stage screen (22) is titanomagnetite with proper granularity, one end of the second-stage screen (22) with lower height is provided with a conveying channel (24), and the conveying channel (24) can convey titanomagnetite with proper granularity trapped by the second-stage screen (22) into the magnetic separation mechanism (3);
one end of the first-stage screen (21) with lower height is provided with a blanking channel, and the blanking channel and the titano-magnetite of the crushed aggregates channel (23) are output from the inside of the titanium concentrate classifying device.
7. The titanium concentrate classification apparatus according to claim 6, wherein: the magnetic separation mechanism (3) comprises a sleeve roller (31), a built-in magnet (32), a collecting sleeve (33) and a discharger (34), wherein the built-in magnet (32), the sleeve roller (31) and the collecting sleeve (33) are sequentially arranged from inside to outside, and the discharger (34) is arranged on one side of the sleeve roller (31);
after titanomagnetite with proper granularity is prepared into ore pulp in a conveying channel (24), the titanomagnetite with low grade is adsorbed on the outer side of a sleeve roller (31) by a built-in magnet (32), and then is scraped and collected by a discharger (34) and then is output to the titanium concentrate classification device;
the high-grade titano-magnetite ore pulp enters the centrifugal classification mechanism (4) through a discharge port (331) arranged at the bottom end of the collecting sleeve (33).
8. The titanium concentrate classification apparatus according to claim 1, wherein: the grading harvesting mechanism (5) comprises a discharging plate (51), and harvesting holes with the same number as the inclined collecting plates (42) are formed in the discharging plate (51);
when each inclined collecting plate (42) is matched with the top of the centrifugal cylinder (41), the position of the only harvesting hole can be matched with the position of the inclined collecting plate (42) which is matched with the top of the centrifugal cylinder (41).
9. The titanium concentrate classification apparatus according to claim 8, wherein: the discharging mechanism (6) comprises a plurality of discharging branch pipes (61) and main discharging pipes (62), the number of the discharging branch pipes (61) is consistent with that of the collecting holes, one end of each discharging branch pipe (61) is communicated with each collecting hole, and the other end of each discharging branch pipe (61) is communicated with the main discharging pipe (62).
10. A method for classifying a titanium concentrate, characterized in that a titanium concentrate classification apparatus according to any one of claims 1-9 is used, a titanium concentrate classification method comprising the steps of:
s1, pouring titanomagnetite into a feeding mechanism (1), and quantitatively feeding titanomagnetite into a screening mechanism (2) by the feeding mechanism (1) in batches;
s2, screening the titano-magnetite quantitatively fed in each time in a screening mechanism (2) according to the granularity, and screening out the titano-magnetite with proper granularity;
s3, preparing titano-magnetite with proper granularity into titano-magnetite pulp, and then sending the titano-magnetite pulp into a magnetic separation mechanism (3);
s4, carrying out magnetic separation on the titano-magnetite in the magnetic separation mechanism (3), primarily outputting the low-grade titano-magnetite to the titano-concentrate classification device through magnetic separation, and enabling the high-grade titano-magnetite ore pulp to enter the centrifugal classification mechanism (4);
s5, carrying out centrifugal classification on the high-grade titano-magnetite ore pulp in a centrifugal classification mechanism (4) at different centrifugal speeds and different centrifugal times;
s6, respectively harvesting the different-grade titano-magnetite ore pulp after centrifugal classification at different centrifugal speeds through a classifying and harvesting mechanism (5);
s7, respectively outputting the classified titano-magnetite ore pulp with different grades to the titano-magnetite ore concentrate classification device through a discharging mechanism (6).
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