CN220941203U - Device for pre-enriching ferrotitanium from iron-titanium-containing rock - Google Patents
Device for pre-enriching ferrotitanium from iron-titanium-containing rock Download PDFInfo
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- CN220941203U CN220941203U CN202322510117.1U CN202322510117U CN220941203U CN 220941203 U CN220941203 U CN 220941203U CN 202322510117 U CN202322510117 U CN 202322510117U CN 220941203 U CN220941203 U CN 220941203U
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- iron
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- 239000011435 rock Substances 0.000 title claims abstract description 34
- 229910001200 Ferrotitanium Inorganic materials 0.000 title claims abstract description 31
- IXQWNVPHFNLUGD-UHFFFAOYSA-N iron titanium Chemical compound [Ti].[Fe] IXQWNVPHFNLUGD-UHFFFAOYSA-N 0.000 title claims description 11
- 238000007885 magnetic separation Methods 0.000 claims abstract description 62
- 239000002390 adhesive tape Substances 0.000 claims abstract description 54
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000010936 titanium Substances 0.000 claims abstract description 30
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 63
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 59
- 239000012141 concentrate Substances 0.000 claims description 30
- 229910052742 iron Inorganic materials 0.000 claims description 27
- 239000006148 magnetic separator Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 18
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 15
- 239000011707 mineral Substances 0.000 abstract description 15
- 238000000926 separation method Methods 0.000 abstract description 14
- YDZQQRWRVYGNER-UHFFFAOYSA-N iron;titanium;trihydrate Chemical compound O.O.O.[Ti].[Fe] YDZQQRWRVYGNER-UHFFFAOYSA-N 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 229910052720 vanadium Inorganic materials 0.000 description 14
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 12
- 229910010413 TiO 2 Inorganic materials 0.000 description 11
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 11
- 229910052609 olivine Inorganic materials 0.000 description 8
- 239000010450 olivine Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 229910052655 plagioclase feldspar Inorganic materials 0.000 description 3
- 229910052611 pyroxene Inorganic materials 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910052612 amphibole Inorganic materials 0.000 description 2
- 229910001919 chlorite Inorganic materials 0.000 description 2
- 229910052619 chlorite group Inorganic materials 0.000 description 2
- QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- MRHSJWPXCLEHNI-UHFFFAOYSA-N [Ti].[V].[Fe] Chemical compound [Ti].[V].[Fe] MRHSJWPXCLEHNI-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052951 chalcopyrite Inorganic materials 0.000 description 1
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000004094 preconcentration Methods 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 229910052952 pyrrhotite Inorganic materials 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052950 sphalerite Inorganic materials 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- GFNGCDBZVSLSFT-UHFFFAOYSA-N titanium vanadium Chemical compound [Ti].[V] GFNGCDBZVSLSFT-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000010878 waste rock Substances 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
Abstract
The utility model provides a device for pre-enriching ferrotitanium from ferrotitanium-containing rock, which comprises a first ore feeder, a first belt magnetic separation device, a second ore feeder and a second belt magnetic separation device, wherein the upper part of the second ore feeder is provided with an ore separation plate; based on the whole process of crushing (-20 to-50 mm) -dry magnetic separation roughing (0.7 to 0.9T) -dry magnetic separation concentration (0.7 to 0.9T) -combining roughing tailings and concentrating tailings into final tailings, the utility model can uniformly distribute minerals, ensure that the thicknesses of material layers at the two edges of a first conveying adhesive tape and a second conveying adhesive tape are equal to the thickness of the material layer in the middle, ensure higher tailing throwing efficiency, and ensure higher magnetic field intensity of magnetic separation roughing and magnetic separation concentration, avoid loss of a large amount of ilmenite in tailings, and improve the utilization of titanium resources.
Description
Technical Field
The utility model relates to the technical field of pre-enrichment of ferrotitanium, in particular to a device for pre-enriching ferrotitanium from ferrotitanium-containing rock.
Background
Vanadium titano-magnetite is an iron ore rich in vanadium and titanium, main metal minerals are magnetite, titano-magnetite and ilmenite, basic-super basic rock body formed by cooling magma, and gangue minerals are mostly plagioclase, pyroxene, olivine, amphibole and alteration products of the minerals;
The low-grade (TFe is less than or equal to 10 percent and less than 20 percent) vanadium titano-magnetite is developed with low cost and high efficiency, the low-grade vanadium titano-magnetite developed and utilized at present is mainly 15 percent or less than or equal to 20 percent, the ore is extracted and then is widely applied to dry magnetic separation and tailing discarding, magnetic separation equipment is a roller magnetic separator and a belt (magnetic pulley), the magnetic field intensity is 0.3T-0.45T, the process is mainly coarse crushing (150 mm-350 mm), dry magnetic separation, coarse crushing, medium crushing (70 mm-80 mm), dry magnetic separation and three-section crushing (30 mm-50 mm), and the indexes of the process equipment are as follows: the grade of the tail-throwing concentrate TFe is improved by 1-2 percent compared with that of the ore feeding, the tail-throwing rate is 10-30%, the grade of the tail-throwing concentrate TFe is 11-15%, and the grade of TiO 2 is 3-6%. TFe is less than 15% and is waste rock and is piled up in a dumping site.
The closest prior art is retrieved by searching as follows:
The method for selecting the low-grade titanium-vanadium magnetite with the patent application number of CN201010118607.1 comprises the steps of crushing raw ore, sieving, magnetically separating, discarding tailings, controlling the magnetic field intensity and the belt speed during magnetic separation, and sequentially carrying out ore grinding and magnetic separation twice to obtain high-grade vanadium-titanium-iron concentrate, wherein the magnetic field intensity is 195-205 KA/m and the belt speed is 2.0-2 m/s during magnetic separation; the sorting method fully utilizes low-grade titano-vanadium magnetite, fully realizes comprehensive recycling of resources, and in the application, although the low-grade titano-vanadium magnetite is fully utilized, the defects of uneven belt feeding, high middle material layer thickness higher than the edge part and low tailing discarding efficiency are caused.
In summary, the tail-throwing equipment and the process applied in the prior art have the main defects that: firstly, the belt feeding is uneven, the thickness of a middle material layer is far higher than that of the edge part, and the tail throwing efficiency is low; secondly, the magnetic field intensity is lower, and a large amount of ilmenite is lost in tailings, so that the utilization rate of titanium resources is lower.
Therefore, a new technical solution is needed to solve the above technical problems.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a device for pre-enriching iron and titanium from iron-titanium-containing rock, which can ensure that belt feeding is uniform and higher tailing discarding efficiency is ensured; the reasonable magnetic field intensity is ensured, and the utilization rate of titanium resources is ensured.
The utility model provides a device for pre-enriching ferrotitanium from iron-titanium-containing rock, which comprises a first ore feeder, wherein a first belt magnetic separation device is arranged at the lower part of the first ore feeder, a second ore feeder is arranged at the lower part of one side of the first belt magnetic separation device, which is provided with a magnetic pulley, a ore separation plate is arranged at the upper part of the second ore feeder, a second belt magnetic separation device is arranged at the lower part of the second ore feeder, and adjustable baffles are respectively arranged at one side of a first conveying adhesive tape of the first belt magnetic separation device, which is close to the first magnetic pulley, and one side of a second conveying adhesive tape of the second belt magnetic separation device, which is close to the second magnetic pulley.
Further, the adjustable baffle comprises a plurality of baffle strips, each baffle strip is provided with an adjusting hole, an adjusting bolt is arranged in each adjusting hole, and the adjusting bolts are connected with a baffle strip fixing frame.
Further, the baffle fixing strips are perpendicular to the baffle strips, baffle strips extend out of two ends of the baffle fixing strips, and mounting holes are formed in two ends of the baffle fixing strips.
Further, a tail-throwing concentrate hopper is arranged at the lower part of one side of the belt type magnetic separation device II, which is close to the magnetic pulley II, and a mineral separation plate I is arranged at the top of the tail-throwing concentrate hopper.
Further, belt formula magnetic separation device one includes driving motor one, transmission one, driving motor one, transmission one's outside is provided with conveyer belt one, one side of transmission one is provided with magnetic pulley one, transmission one, magnetic pulley one's outside is provided with transportation sticky tape one, the upper portion of transportation sticky tape one is provided with adjustable baffle.
Further, belt formula magnetic separation device II includes driving motor II, transmission II, driving motor II, transmission II's the outside is provided with conveyer II, one side of transmission II is provided with magnetic pulley II, transmission II, magnetic pulley II's the outside is provided with transportation sticky tape II, transportation sticky tape II's upper portion is provided with adjustable baffle.
Further, the first ore feeder and the second ore feeder adopt pendulum type ore feeders.
Further, the pendulum feeder adopts a 400X400 pendulum feeder.
Further, the magnetic field intensity of the first magnetic pulley and/or the second magnetic pulley is 0.7T-0.9T.
Further, the height of the gap between the adjustable baffle and the first conveying adhesive tape and the height of the gap between the adjustable baffle and the second conveying adhesive tape are both 22-52 mm.
Further, the iron-containing titanium rock includes iron-containing titanium olivine.
The device for pre-enriching the ferrotitanium from the ferrotitanium-containing rock can achieve the remarkable enrichment effect of TFe and TiO2 in the ferrotitanium-containing rock, and lays a foundation for realizing comprehensive utilization of ferrotitanium resources in the ferrotitanium-containing rock; based on the tailing discarding process of crushing (-20 to-50 mm) -dry magnetic separation roughing (0.7 to 0.9T) -dry magnetic separation concentrating (0.7 to 0.9T) -combining roughing tailings and concentrating tailings into final tailings, the device is provided with the adjustable baffle, and the thickness of the material layer at the two edges of the first conveying adhesive tape and the second conveying adhesive tape is equal to the thickness of the material layer in the middle through the baffle, so that higher tailing discarding efficiency is ensured.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the structure of the device of the present utility model;
FIG. 2 is a schematic view of the structure of the adjustable baffle of the present utility model;
Description of the reference numerals
1. A first ore feeder 2, a first ore feeding hopper 3, a first transmission motor 4 and a first transmission device
5. First conveying belt 6, first magnetic pulley 7, first conveying adhesive tape 8 and adjustable baffle plate
9. Second ore feeder 10, hopper 11, ore separating plate 12 and tailing area
13. A second transmission motor 14, a second transmission device 15 and a second transmission belt
16. Magnetic pulley II 17, conveying adhesive tape II 18 and tail-throwing concentrate hopper
19. Ore separating plate one 20, baffle plate strip 21, adjusting hole 22 and adjusting bolt
23. Baffle bar mount 24, mounting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.
It should be noted that, in the embodiments of the present utility model, all the expressions "a" and "b" are used for distinguishing two entities with the same name and non-identical parameters, and it is noted that "a" and "b" are only used for convenience of description, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described in detail.
Example 1
As shown in fig. 1 and 2, the utility model provides a device for pre-enriching ferrotitanium from ferrotitanium-containing rock, which comprises a first ore feeder 1, wherein the first ore feeder 1 comprises a first ore feeding hopper 2, the first ore feeding hopper 2 is preferably a conical hopper, the first ore feeder 1 adopts a belt pendulum type ore feeder in the prior art, more preferably 400X400, the lower part of the first ore feeder 1 is provided with a belt type magnetic separation device, the belt type magnetic separation device adopts the belt type magnetic separation device in the prior art, the belt type magnetic separation device comprises a first transmission motor 3 and a first transmission device 4, a first transmission belt 5 is arranged outside the first transmission motor 3 and the first transmission device 4, one side of the first transmission device 4 is provided with a first magnetic pulley 6, the outer sides of the first transmission device 4 and the first magnetic pulley 6 are provided with a first transportation adhesive tape 7, and the first transportation adhesive tape 7 is preferably a B800 transportation adhesive tape in the prior art; the transmission device I4 can adopt a rotating bearing, the transmission motor I3 is started, the transmission device I4 is driven to rotate by the transmission belt I5, the transmission device I4 drives the magnetic pulley I6 to rotate by the transmission belt I7, the adjustable baffle 8 is arranged at the upper part of one side of the transmission belt I7, which is close to the magnetic pulley I6, the gap between the transmission belt I7 and the transmission belt I can be adjusted by the arrangement of the adjustable baffle 8, minerals can be uniformly distributed by the adjustable baffle 8, the thickness of a material layer at the edge part of the transmission belt I7 is equal to the thickness of a material layer in the middle, and the higher tail throwing efficiency is ensured; the belt type magnetic separation device I is provided with a second ore feeder 9 at the lower part of one side provided with a first magnetic pulley 6, the second ore feeder 9 comprises a hopper 10, the hopper 10 is preferably a conical hopper, the second ore feeder 9 adopts a belt pendulum type ore feeder in the prior art, more preferably 400X400 belt pendulum type ore feeders, the upper part of the hopper 10 of the second ore feeder 9 is provided with a mineral separation plate 11 which is connected by common connection modes in the prior art such as bolts, preferably, the height of the mineral separation plate 11 can be adjusted along the hopper 10, a mechanism such as a telescopic plate is adopted, the concrete form is not limited, the arrangement of the mineral separation plate 11 separates coarse magnetic concentrate and tailings, the tailings magnetically separated by the belt type magnetic separation device I fall into the left side of the mineral separation plate 11 under the action of the first magnetic pulley 6, the magnetic separation coarse concentrate falls into a second ore feeder 9 on the right side of an ore separation plate 11 for carrying out the next magnetic separation concentration, a second belt type magnetic separation device is arranged on the lower portion of the second ore feeder 9, and the second belt type magnetic separation device and the first belt type magnetic separation device are similar to each other, and all adopt belt type magnetic separators in the prior art, and comprise a second transmission motor 13 and a second transmission device 14, wherein a second transmission belt 15 is arranged on the outer sides of the second transmission motor 13 and the second transmission device 14, a second magnetic pulley 16 is arranged on one side of the second transmission device 14, a second transport adhesive tape 17 is arranged on the outer sides of the second transmission device 14 and the second magnetic pulley 16, and the second transport adhesive tape 17 is preferably a B800 transport adhesive tape in the prior art; the second transmission device 14 can adopt a rotating bearing, the second transmission motor 13 is started, the second transmission device 14 is driven to rotate by the second transmission belt 15, the second transmission device 14 drives the second magnetic pulley 16 to rotate by the second transmission belt 17, the adjustable baffle 8 is arranged at the upper part of one side of the second transmission belt 17, which is close to the second magnetic pulley 16, the gap between the second transmission belt 17 and the second transmission belt can be adjusted by the arrangement of the adjustable baffle 8, minerals can be uniformly distributed by the adjustable baffle 8, the thickness of a material layer at the edge part of the second transmission belt 17 is equal to the thickness of a material layer in the middle, and the higher tail throwing efficiency is ensured; the magnetic field strength of the first magnetic pulley 6 and the second magnetic pulley 16 in the utility model is preferably 0.7T-0.9T, so that a higher magnetic field is ensured, and titanium resources are fully utilized.
Preferably, the lower part of one side of the second belt type magnetic separation device, which is close to the second magnetic pulley 16, is provided with a tail-throwing concentrate hopper 18, the top of the tail-throwing concentrate hopper 18 is provided with a first ore separation plate 19, the first ore separation plate 19 is connected with the upper part of the tail-throwing concentrate hopper 18 through a common connection mode in the prior art such as bolts, preferably, the height of the ore separation plate 11 can be adjusted along the hopper 10, a telescopic plate and other mechanisms are adopted, the specific form is not limited, the first ore separation plate 19 is used for separating magnetic separation concentrate and tailings, the tailings magnetically separated by the second belt type magnetic separation device fall into the left side of the first ore separation plate 19 under the action of the second magnetic pulley 16, the magnetic separation concentrate falls into the tail-throwing concentrate hopper 18 on the right side of the first ore separation plate 19 for collection, the tailings magnetically separated by the first magnetic pulley 6 are mixed with the tailings magnetically separated by the second magnetic pulley 16 as final tailings, and the concentrate magnetically separated by the second magnetic pulley 16 is used as pre-enriched concentrate.
The first ore feeder 1, the first belt type magnetic separation device, the second ore feeder 9 and the second belt type magnetic separation device are preferably connected through a steel frame to form a whole.
The adjustable baffle 8 is arranged in the embodiment, the thickness of the material layer at the edge part of the first conveying adhesive tape 7 and the second conveying adhesive tape 17 is equal to the thickness of the material layer in the middle through the adjustable baffle 8, so that higher tailing discarding efficiency is ensured, in the embodiment, the magnetic field intensity of the first magnetic pulley 6 and the second magnetic pulley 16 is higher, a large amount of ilmenite is prevented from being lost in tailings, the utilization of titanium resources is improved, and the embodiment has great significance and popularization and application prospect for low-cost and high-efficiency utilization of low-grade vanadium titanomagnetite and comprehensive recovery of iron and titanium resources for waste rocks of a dumping site.
Embodiment two:
the present embodiment describes the adjustable baffle 8, specifically:
The adjustable baffle 8 comprises a plurality of baffle strips 20, wherein the baffle strips 20 are made of wear-resistant materials in the prior art, the specific materials are not limited, such as wear-resistant alloy steel and the like, each baffle strip 20 is provided with an adjusting hole 21, an adjusting bolt 22 is arranged in each adjusting hole 21, and the adjusting bolts 22 are connected with a baffle strip fixing frame 23; preferably, the baffle fixing strips 23 are perpendicular to the baffle strips 20, the baffle strips 20 extend out of two ends of the baffle fixing strips 23, mounting holes 24 are formed in two ends of the baffle fixing strips 23, and the mounting holes 24 are connected with the steel frame of the first conveying adhesive tape 7 and the steel frame of the second conveying adhesive tape 17 through bolts to realize connection of the adjustable baffle 8.
When the height of the adjustable baffle plate 8 is required to be adjusted, the adjusting bolts 22 are loosened, the baffle plate strips 20 are moved up and down through the adjusting holes 21, gaps between the baffle plate strips 20 and the surfaces of the first conveying adhesive tape 7 and the second conveying adhesive tape 17 are realized, and the distance between the whole adjustable baffle plate 8 and the surfaces of the first conveying adhesive tape 7 and the second conveying adhesive tape 17 is realized.
Embodiment III:
The embodiment provides a method for pre-enriching ferrotitanium from ferrotitanium-containing rock, which comprises a first belt type magnetic separation device and a second belt type magnetic separation device, wherein a first conveying adhesive tape 7 of the first belt type magnetic separation device is close to the upper part of a first magnetic pulley 6, a second conveying adhesive tape 17 of the second belt type magnetic separation device is close to the upper part of a second magnetic pulley 16, and adjustable baffles 8 are respectively arranged on the conveying adhesive tapes, and the method comprises the following steps:
s1: crushing the rock containing iron and titanium to a particle size of-20 to-50 mm, and uniformly mixing;
S2: carrying out magnetic separation and roughing on the uniformly mixed ore to obtain magnetic separation rough concentrate and tailings; wherein the magnetic field intensity of the magnetic separation roughing operation is 0.7T-0.9T, and the gap height between the baffle plate 8 and the first conveying adhesive tape 7 is 22-52 mm; more specifically, the method comprises the following steps: placing the evenly mixed ore into an ore feeding hopper 2 of an ore feeding machine I1, starting the ore feeding machine I1, wherein the swing time of the ore feeding machine I1 is 15-25 times/min; the ore feeder 1 feeds the evenly mixed ore into a conveying adhesive tape 7 of a belt type magnetic separation device I, one end of the conveying adhesive tape 7 is connected with a rotating bearing, the other end of the conveying adhesive tape 7 is connected with a magnetic pulley 6, the magnetic field intensity of the magnetic pulley 6 is 0.7T-0.9T, and the speed of the conveying adhesive tape 7 is controlled to be 1.0-2.0 m/s; the height of a gap between the adjustable baffle 8 on one side of the belt type magnetic separation device I, which is close to the magnetic pulley I6, and the transport adhesive tape I7 is adjusted to be 22-52 mm;
S3: carrying out magnetic separation and concentration operation on the magnetic separation rough concentrate to obtain magnetic separation concentrate and tailings; wherein the magnetic field intensity of the magnetic separation and concentration operation is 0.7T-0.9T, and the gap height between the baffle plate 8 and the second conveying adhesive tape 17 is 22-52 mm; the method comprises the following steps: the tailings magnetically separated by the first magnetic pulley 6 are used as final tailings, the magnetic separation rough concentrate magnetically separated by the first magnetic pulley 6 and overflowed ore from the adjustable baffle 8 are mixed by the hopper 10 of the second ore feeder 9, the second ore feeder 9 is started, and the swing time of the second ore feeder 9 is 15-25 times/min; feeding ore into a second conveying adhesive tape 17 through a second ore feeder 9, wherein one end of the second conveying adhesive tape 17 is connected with a rotating bearing, the other end of the second conveying adhesive tape is connected with a second magnetic pulley 16, the magnetic field intensity of the second magnetic pulley 16 is 0.7-0.9T, and the speed of the second conveying adhesive tape 17 is controlled to be 1.0-2.5 m/s; the gap height between the adjustable baffle 8 on one side of the second belt magnetic separation device close to the second magnetic pulley 16 and the second conveying adhesive tape 17 is adjusted to be 22-52 mm;
Further, the method comprises the step S4: the tailings magnetically separated by the first magnetic pulley 6 in the step S2 are mixed with the tailings magnetically separated by the second magnetic pulley 16 in the step S3 to serve as final tailings, and the concentrate magnetically separated by the second magnetic pulley 6 in the step S3 serves as pre-enriched concentrate.
The embodiment can obviously improve the grade of iron, vanadium and titanium elements in the pre-enriched concentrate, reduce the loss of iron, vanadium, titanium and other resources in tailings, and is favorable for obviously reducing the ore quantity entering the grinding and selecting process, thereby being favorable for reducing the grinding and selecting production cost of low-grade vanadium titano-magnetite and realizing the comprehensive recycling of iron and titanium resources in iron-bearing titanium rock; the thickness of the material layer at the edge part of the first conveying adhesive tape 7 and the second conveying adhesive tape 17 is equal to the thickness of the material layer in the middle, so that higher tailing discarding efficiency is ensured, in the embodiment, the magnetic field intensity of the first magnetic pulley 6 and the second magnetic pulley 16 is higher, a large amount of ilmenite is prevented from being lost in tailings, the utilization of titanium resources is improved, and the embodiment has great significance and popularization and application prospect for low-grade vanadium titanomagnetite low-cost efficient utilization and comprehensive recovery of iron and titanium resources from waste rocks of a dumping site.
Embodiment four:
The embodiment provides a specific application occasion of the first embodiment and the second embodiment, and specifically, the iron-containing titanium rock adopts iron-containing titanium olivine gabion.
The main physical and chemical properties of the iron-containing titanium olivine gabion are as follows:
The iron-containing titano-olivine-long rock raw ore sample contains main metal minerals in a fixed TFe 12.13％、TiO2 3.11％、V2O50.08％、SiO246.50％、CaO 7.56％、MgO 5.82％、Al2O3 15.50％、Mn 1.10％、S 0.21％, sample, namely titano-magnetite and ilmenite, a small amount of pyrrhotite and pyrite, and even chalcopyrite and sphalerite; the main nonmetallic minerals are plagioclase, chlorite, pyroxene, olivine and amphibole; ilmenite and titanomagnetite have a close symbiotic relationship and are usually in an aggregate form, and the maximum particle size of the aggregate is 2mm; the particles of plagioclase, pyroxene, chlorite, olivine and the like are relatively coarse, the vast majority of gangue particles are larger than 0.5mm, and the chemical phase analysis results of Fe element and TiO 2 of the raw ore sample are shown in tables 1 and 2 respectively.
Table 1: example raw ore sample Fe elemental chemistry phase analysis results
TABLE 2 results of chemical phase analysis of crude mineral samples TiO 2
The test scale of this example was 700kg/h, i.e. the feed rate was 700kg/h, and the test procedure was as follows: (1) Crushing the iron-containing titanium olivine gabion sample in the embodiment to the particle size of-30 mm, uniformly mixing, and adding the uniformly mixed ore into an ore feeding hopper 2 of an ore feeding machine I1; (2) The position of each baffle strip 20 in the adjustable baffle 8 is adjusted, so that the gap between the lower end of each baffle strip 20 and one surface of the conveying adhesive tape is 32mm; (3) The position of each baffle strip 20 in the adjustable baffle 8 is adjusted, so that the surface gap between the lower end of each baffle strip 20 and the second conveying adhesive tape 17 is 31mm; (4) Selecting magnetic field intensity of the first magnetic pulley 6 and the second magnetic pulley 16 to be 0.8T, adjusting the tangential position of the first magnetic pulley 6 along the line perpendicular to the first transport adhesive tape 7 and the first magnetic pulley 6, and adjusting the tangential position of the second magnetic pulley 16 along the line perpendicular to the second transport adhesive tape 17 and the second magnetic pulley 16; (5) adjusting the ore separating plate 11 and the ore separating plate 19 to proper positions; (6) Starting a pendulum feeder 1, and adjusting the pendulum time to 21 times/min; (7) Starting a transmission device I4 of a transport adhesive tape I7, and adjusting the speed of the transport adhesive tape I7 to be 1m/s; (8) Opening a second swinging ore feeder 9, and adjusting the swinging time to 21 times/min; (9) Starting a transmission device II 14 of a transport adhesive tape II 19, and adjusting the speed of the transport adhesive tape II 17 to be 2m/s; (10) Randomly supplementing crushed and uniformly mixed ore samples according to the storage condition in an ore feeding hopper 2 of the first ore feeder 1; (11) And (3) respectively collecting tailings in the tailings areas 12 of the first magnetic pulley 6 and the second magnetic pulley 16 and tailings discarding concentrates in the tailings discarding concentrate hoppers.
The results show that the adoption of the method for the iron-containing titanyl olivine long rock in the embodiment can obtain the pre-enriched concentrate with the yield of 47.02 percent, the grade of TFe and TiO 2 of 18.53 percent and the grade of 4.94 percent respectively, the recovery rate of TFe and TiO 2 of 71.83 percent and 74.62 percent respectively, the tailing throwing rate is as high as 52.98 percent, the grade of tailings TFe and TiO 2 is as low as 6.45 percent and 1.49 percent respectively, and the loss of TiO 2 in magnetic Fe and ilmenite is very small; the TFe grade of the pre-enriched concentrate is improved by 6.40 percent compared with that of the raw ore, and the TiO 2 grade is improved by 1.83 percent compared with that of the raw ore; the test results are shown in Table 3, the analysis results of the Fe element chemical phases of the tailings after the tailing is thrown are shown in Table 4, and the analysis results of the TiO 2 element chemical phases of the tailings after the tailing is thrown are shown in Table 5.
TABLE 3 results of pilot plant test on iron-titanium preconcentration of iron-containing olive-gabion
Table 4 example tailings of polished tailings Fe elemental chemistry phase analysis results/%
Table 5 example tail-flung tailings TiO 2 chemical phase analysis results/%
In summary, by adopting the technical scheme, the device for pre-enriching the ferrotitanium from the ferrotitanium-containing rock can achieve the remarkable enrichment effect of TFe and TiO 2 in the ferrotitanium-containing rock, and lays a foundation for realizing comprehensive utilization of ferrotitanium resources in the ferrotitanium-containing rock; the method can obviously improve the grade of iron, vanadium and titanium elements in the pre-enriched concentrate, reduce the loss of iron, vanadium, titanium and other resources in tailings, and is favorable for obviously reducing the ore quantity entering the grinding and separating process, thereby being favorable for reducing the grinding and separating production cost of low-grade vanadium titano-magnetite and realizing the comprehensive recycling of iron and titanium resources in iron-titanium-containing rock; based on the tailing discarding process of crushing (-20 to-50 mm) -dry magnetic separation roughing (0.7 to 0.9T) -dry magnetic separation concentration (0.7 to 0.9T) -combining roughing tailings and concentrating tailings into final tailings, an adjustable baffle plate is arranged in the device, minerals can be uniformly distributed through the baffle plate, the thicknesses of the material layers at the two edges of the first and second conveying adhesive tapes are equal to the thickness of the material layer in the middle, higher tailing discarding efficiency is ensured, and the magnetic field intensity of magnetic separation roughing and magnetic separation concentration is ensured.
It should be noted that, each component or step in each embodiment may be intersected, replaced, added, and deleted, and therefore, the combination formed by these reasonable permutation and combination transformations shall also belong to the protection scope of the present utility model, and shall not limit the protection scope of the present utility model to the embodiments.
The foregoing is an exemplary embodiment of the present disclosure, and the order in which the embodiments of the present disclosure are disclosed is merely for the purpose of description and does not represent the advantages or disadvantages of the embodiments. It should be noted that the above discussion of any of the embodiments is merely exemplary and is not intended to suggest that the scope of the disclosure of embodiments of the utility model (including the claims) is limited to these examples and that various changes and modifications may be made without departing from the scope of the utility model as defined in the claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
Those of ordinary skill in the art will appreciate that: the above discussion of any embodiment is merely exemplary and is not intended to imply that the scope of the disclosure of embodiments of the utility model, including the claims, is limited to such examples; combinations of features of the above embodiments or in different embodiments are also possible within the idea of an embodiment of the utility model, and there are many other variations of the different aspects of the embodiments of the utility model as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, equivalent substitutions, improvements, and the like, which are made within the spirit and principles of the embodiments of the utility model, are included within the scope of the embodiments of the utility model.
Claims (10)
1. The utility model provides a device of pre-enrichment ferrotitanium in follow iron-bearing titanium rock, includes give ore machine one (1), the lower part of giving ore machine one (1) is provided with belt magnetic separator one, and belt magnetic separator one is provided with one side lower part of magnetic pulley one (6) and gives ore machine two (9), its characterized in that, the upper portion of giving ore machine two (9) is provided with branch ore board (11), and the lower part of giving ore machine two (9) is provided with belt magnetic separator two, and wherein, adjustable baffle (8) are installed respectively to one side upper portion that is close to magnetic pulley one (6) of transportation sticky tape one (7) of belt magnetic separator one, one side upper portion that is close to magnetic pulley two (16) of belt magnetic separator two (17).
2. The device for pre-enriching iron and titanium from iron-titanium-containing rock according to claim 1, wherein the adjustable baffle (8) comprises a plurality of baffle strips (20), each baffle strip (20) is provided with an adjusting hole (21), an adjusting bolt (22) is arranged in each adjusting hole (21), and the adjusting bolts (22) are connected with a baffle strip fixing frame (23).
3. The device for pre-enriching the ferrotitanium from the ferrotitanium-containing rock according to claim 2, wherein the baffle bar fixing frame (23) is perpendicular to the baffle bar (20), the baffle bar (20) extends out of two ends of the baffle bar fixing frame (23), and mounting holes (24) are formed in two ends of the baffle bar fixing frame (23).
4. The device for pre-enriching iron and titanium from iron-titanium-containing rock according to claim 1, wherein a tail-throwing concentrate hopper (18) is arranged at the lower part of one side of the second belt type magnetic separation device close to the second magnetic pulley (16), and a first ore separating plate (19) is arranged at the top of the tail-throwing concentrate hopper (18).
5. The device for pre-enriching ferrotitanium from the ferrotitanium-containing rock according to claim 1, wherein the belt type magnetic separation device I comprises a transmission motor I (3) and a transmission device I (4), a transmission belt I (5) is arranged on the outer sides of the transmission motor I (3) and the transmission device I (4), a magnetic pulley I (6) is arranged on one side of the transmission device I (4), a conveying adhesive tape I (7) is arranged on the outer sides of the transmission device I (4) and the magnetic pulley I (6), and an adjustable baffle (8) is arranged on the upper portion of the conveying adhesive tape I (7).
6. The device for pre-enriching iron and titanium from iron-titanium-containing rock according to claim 1, wherein the belt type magnetic separation device II comprises a transmission motor II (13) and a transmission device II (14), a transmission belt II (15) is arranged on the outer sides of the transmission motor II (13) and the transmission device II (14), a magnetic pulley II (16) is arranged on one side of the transmission device II (14), a conveying adhesive tape II (17) is arranged on the outer sides of the transmission device II (14) and the magnetic pulley II (16), and an adjustable baffle (8) is arranged on the upper portion of the conveying adhesive tape II (17).
7. An apparatus for pre-concentrating ferrotitanium from a rock containing ferrotitanium according to claim 1, wherein the feeder one (1) and feeder two (9) employ pendulum feeders.
8. An apparatus for pre-enriching iron and titanium from an iron-titanium bearing rock according to claim 7 and wherein said pendulum feeder is a 400X400 pendulum feeder.
9. The apparatus for pre-enriching iron and titanium from iron-titanium bearing rock according to claim 1, wherein the magnetic field strength of the first magnetic pulley (6) and/or the second magnetic pulley (16) is 0.7T-0.9T.
10. The device for pre-enriching ferrotitanium from ferrotitanium-containing rock according to claim 1, wherein the gap height between the adjustable baffle (8) and the first conveying belt (7) and the gap height between the adjustable baffle (8) and the second conveying belt (17) are 22-52 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322510117.1U CN220941203U (en) | 2023-09-14 | 2023-09-14 | Device for pre-enriching ferrotitanium from iron-titanium-containing rock |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322510117.1U CN220941203U (en) | 2023-09-14 | 2023-09-14 | Device for pre-enriching ferrotitanium from iron-titanium-containing rock |
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