CN206688913U - A kind of vertical centrifugal ore selector suitable for iron ore dressing - Google Patents

A kind of vertical centrifugal ore selector suitable for iron ore dressing Download PDF

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Publication number
CN206688913U
CN206688913U CN201720385617.9U CN201720385617U CN206688913U CN 206688913 U CN206688913 U CN 206688913U CN 201720385617 U CN201720385617 U CN 201720385617U CN 206688913 U CN206688913 U CN 206688913U
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China
Prior art keywords
ore
mineral
cone cylinder
discharging cone
parabola
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CN201720385617.9U
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Chinese (zh)
Inventor
叶献华
杨任新
常勤明
伍红强
章国权
王玉峰
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Huawei National Engineering Research Center of High Efficient Cyclic and Utilization of Metallic Mineral Resources Co Ltd
Sinosteel Maanshan General Institute of Mining Research Co Ltd
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Huawei National Engineering Research Center of High Efficient Cyclic and Utilization of Metallic Mineral Resources Co Ltd
Sinosteel Maanshan General Institute of Mining Research Co Ltd
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Abstract

The utility model discloses a kind of vertical centrifugal ore selector suitable for iron ore dressing, it is made up of charging gear, rotation sorting discharging cone cylinder (2), water jacket (1), main shaft (3), motor (5), support (6), automatic control system (7), water supply installation (8), concentrate hopper (9), tail-box (10), frame (11), V belt wheels (12), swivel joint (13), outer cylinder body (27) combination, described charging gear is made up of relative combinations above and below layering swirl component, water diversion part.Layering swirl component contains mineral-feeding pipe (15), the interior final election Circular Plate that 26 layers of diameter of parallel installation are gradually increased from bottom to top on mineral-feeding pipe (15);Water diversion part contains lifts plate, and around center by radial equidistantly installation parabola projection in lifts plate, the gap between adjoining parabolic line projection forms ore pulp flow-guiding channel.The utility model can effectively disperse ore pulp, be advantageous to the uniform material feeding of sorting cone, have advance sorting, and good separation effect, water consumption is low, and smart tailings concentration is high.

Description

A kind of vertical centrifugal ore selector suitable for iron ore dressing
Technical field
The utility model belongs to a kind of gravity beneficiation equipment, and in particular to a kind of vertical centrifugal ore selector.
Background technology
Common water-jacket typ automatic centrifugation ore separators is the enhanced special gravity ore deposit equipment based on centrifugal principle, is generally used for locating Manage and the noble metals such as gold, silver, platinum family and the metalliferous mineral of other greater densities are reclaimed from ore, be gold, noble metal association The conventional gravitational separation equipment of non-ferrous metal ore factory.
Vertical centrifugal ore selector grading principle is:After rotating cylinder in the importing of ore deposit ore pulp, heavy mineral Quick spin is deposited in The lower half of rotating cylinder, the part in them are moved upward in final election groove, the back-flushing on barrel with centrifugal action Under effect, mineral are able to loose and selected in groove.Light mineral centrifugal force because suffered by is small, and being flushed outside rotating cylinder turns into mine tailing.Weight Mineral grain is because by larger centrifugal force, being retained in concentrate bed, its concentrate discharging modes is divided into interruption ore discharge and continuously may be used again Become ore discharge.
Vertical centrifugal ore selector has the advantages that small volume, in light weight, power consumption is small, easy care, concentration ratio are high, and need not Medicament adds, to realizing that Green Mine is of great importance.The sorting mode being combined using strong magnetic-centrifugal classification, it is to solve The effective way of the refractory hematite utilization of resources.Vertical centrifugal ore selector can be effectively reduced the lower limit of gravity treatment granularity, promote The recovery of Separate Fine-grained Minerals and the comprehensive utilization of mine tailing.
At present, the mine-feeding equipment of vertical centrifugal ore selector is made up of a mineral-feeding pipe and circular flat pallet, mineral-feeding pipe end There is taper closing in, because the density variation of these mineral is larger, main sorting is tapered sleeve part, is selected using conventional vertical centrifugal The charging gear of ore deposit machine.
Along with the continuous reduction of rich ore and easy quarry, the grade of ore in part mine declines year by year, the embedding cloth grain of mineral Spend superfine.Vertical centrifugal ore dressing is especially sorted by the research and attention of more ore dressing researchers in microfine iron ore concentrate In terms of the recovery for bloodstone in iron tailings, some Science Explorations and Primary Study have been done.
Refractory hematite reserves account for the 1/3 of national gross reserves in the explored iron ore deposit in China, and bloodstone For density far below precious metal minerals such as gold, silver, the charging gear for commonly using vertical centrifugal ore selector is uneven there is cone material feeding is sorted It is even, advance centrifugal classification can not be shifted to an earlier date, effectively disperse the problems such as ore pulp, cause the concentrate grade in hematite separation low, therefore, Must the charging gear of vertical centrifugal ore separator be improved, preselect in advance as far as possible, so as to effectively solve hematite separation The defects of middle concentrate grade is low, improve production and technical indication.
The content of the invention
The purpose of this utility model is aiming above shortcomings in the prior art, there is provided one kind can effectively disperse Ore pulp, the vertical centrifugal ore selector suitable for iron ore dressing for being advantageous to the uniform material feeding of sorting cone, there is advance sorting.
To realize above-mentioned purpose of the present utility model, a kind of vertical centrifugal ore dressing suitable for iron ore dressing of the utility model Machine uses following technical scheme:
A kind of vertical centrifugal ore selector suitable for iron ore dressing of the utility model is by charging gear, rotation sorting discharge cone Cylinder, water jacket, main shaft, motor, support, automatic control system, water supply installation, concentrate hopper, tail-box, frame, V belt wheels, rotation connect Head, outer cylinder body combination are formed, and the inwall that concentrate hopper sorts discharging cone cylinder by pipeline with rotation communicates, and tail-box sorts with rotation The overfall of discharging cone cylinder is communicated, and rotation sorting discharging cone cylinder is connected with main shaft, and a pair of bearings and bearing are cased with main shaft Seat, bearing block are fixed in frame by flange;Water jacket is located in outer cylinder body and is enclosed on around rotation sorting discharging cone cylinder;Electricity Machine drives main shaft and rotation sorting discharging cone cylinder to rotate together by V belt wheels.In order to effectively scattered ore pulp, to the thing fed Material is sorted in advance, and described charging gear is made up of relative combinations above and below layering swirl component, water diversion part:
Described layering swirl component contains mineral-feeding pipe, and the lower mouth of mineral-feeding pipe is tapered closing in, and tapered closing in is advantageous to Even distribution ore pulp, and control the material of different densities rank to feed the initial velocity for rotating sorting discharging cone cylinder of vertical centrifugal ore selector Degree;The interior final election Circular Plate that parallel installation 2-6 layer diameters are gradually increased from bottom to top on mineral-feeding pipe, every layer of interior final election annulus The gap passed through for ore pulp is left between the inwall of the outer rim of plate and the rotation sorting discharging cone cylinder of vertical centrifugal ore selector.
Described water diversion part contains lifts plate, convex by radial equidistantly installation parabola around center in lifts plate Block, the gap between adjoining parabolic line projection form fan-shaped ore pulp flow-guiding channel.
The top of mineral-feeding pipe is passed through and is welded on the centre bore of upper cover plate, and upper cover plate cover is covered on outer cylinder body;Rotation connects Head is arranged on the lower end of main shaft;Water supply installation contains two branch pipes, and one of branch pipe inserts rotation sorting from mineral-feeding pipe top In discharging cone cylinder, another branch pipe is then connected from bottom by swivel joint with main shaft, and is reached by the hollow space of main shaft In water jacket.
To prevent rotary body vibration aggravation, cushion blocking is mounted between frame and support, rotates sorting discharging to absorb Vibrated caused by cone cylinder rotation.
The interior final election Circular Plate is relative with the inwall sorting groove of the rotation sorting discharging cone cylinder of vertical centrifugal ore selector, To control ore pulp laminar flow;Described parabola projection is arranged on lifts plate, in fixed seat by fixing bolt, fixed seat by Fixed support is directly welded in rotation sorting discharging cone cylinder.
The peripheral profile line of the plane section of described parabola projection is by inner circle camber line, rear parabola, preceding parabola, outer Circular arc line connects and composes, and the face where described preceding parabola is the guide face of ore pulp;Described lifts plate is disc, described Inner circle camber line and cylindrical camber line it is cylindrical concentric with disk, described rear parabolical focus on disc centre point, after Parabolical head, tail intersect with inner circle camber line and cylindrical camber line respectively, and disk, parabola projection collectively form some fan-shaped ore pulps Passage.
The number of plies of described interior final election Circular Plate is advisable with 3-4 layers, and described parabola number of slugs is preferred with 8-12; Final election Circular Plate and mineral-feeding pipe junction, have reserved the ore removal hole passed through for mineral in every layer, in interior final election Circular Plate also Leave open-work.
A kind of vertical centrifugal ore selector suitable for iron ore dressing of the utility model after adopting the above technical scheme, with Lower good effect:
Ore pulp is fed from the suitable for reading of mineral-feeding pipe, and from the bottom of mineral-feeding pipe, tapered close up sprays, then by fan-shaped ore pulp passage Material is dispersed, in each passage different densities material feed rotation sorting discharging cone cylinder initial velocity also differ Sample, the effect preselected in advance is served, the separating effect of weight mineral is greatly improved, and is vertical centrifugal machine sorting mined material Density variation provide condition not as good as the bloodstone of gold and silver;Material particles are in centrifugal action in rotation sorting discharging cone cylinder Under, for the helical movement, part mineral under " short circuit " situation due to that close to rotation sorting discharging cone cylinder center, can pass through rotation point Discharging cone cylinder is selected, forms the central post region for being difficult to sort.The utility model uses the parallel installation from bottom to top on mineral-feeding pipe The interior final election Circular Plate that multilayer diameter is gradually increased, the inwall of interior final election Circular Plate and rotation sorting discharging cone cylinder sort groove phase Right, in the case where inwall sorts groove collective effect, ore pulp presses radial and axial layered-rotation.And in the multilayer of the utility model design Final election Circular Plate, the ore pulp of rotation sorting discharging cone cylinder core is have activated, unsorted particle is eliminated and runs through rotation Turn the possibility of sorting discharging cone cylinder, make all ore pulps for the helical movement with rotation sorting discharging cone cylinder, reach good point Select effect.In addition, interior final election Circular Plate prevents ore pulp to run through, therefore vertical centrifugal ore selector water consumption is reduced, carried High smart tailings concentration.
Brief description of the drawings
Fig. 1 is that a kind of cuing open for vertical centrifugal ore selector suitable for iron ore dressing of the utility model shows structure diagram;
Fig. 2 is the charging gear cut-away view that the utility model uses;
Fig. 3 is the charging gear stereochemical structure sketch that the utility model uses.
Reference is:1- water jackets;2- rotation sorting discharging cone cylinders;3- main shafts;4- cushion blockings;5- motors;6- supports;7- Automatic control system;8- water supply installations;9- concentrate hoppers;10- tail-boxs;11- frames;12-V belt wheels;13- swivel joints;In 14- Final election Circular Plate;15- mineral-feeding pipes;The tapered closing ins of 16-;17- parabola projections;18- upper cover plates;19- fixing bolts;20- is lifted Plate;21- fixed seats;22- fixed supports;23- inner circle camber lines;Parabola after 24-;Parabola before 25-;The cylindrical camber lines of 26-, 27- Outer cylinder body, 28- ore removals hole, 29- open-works.
Embodiment
Preferably to describe the utility model, below in conjunction with the accompanying drawings to the feed of the utility model vertical centrifugal ore selector Device is described in further detail.
Cuing open for a kind of vertical centrifugal ore selector suitable for iron ore dressing of the utility model as shown in Figure 1 shows structure diagram And find out with reference to Fig. 2, Fig. 3, a kind of vertical centrifugal ore selector suitable for iron ore dressing of the utility model is by charging gear, rotation Sort discharging cone cylinder 2, water jacket 1, main shaft 3, motor 5, support 6, automatic control system 7, water supply installation 8, concentrate hopper 9, tail-box 10th, frame 11, V belt wheels 12, swivel joint 13, the combination of outer cylinder body 27 are formed, and concentrate hopper 9 passes through pipeline and rotation sorting discharge cone The inwall of cylinder 2 communicates, and tail-box 10 communicates with the overfall of rotation sorting discharging cone cylinder 2, rotation sorting discharging cone cylinder 2 and main shaft 3 are connected, and a pair of bearings and bearing block are cased with main shaft 3, and bearing block is fixed in frame 11 by flange;Water jacket 1 is located at In outer cylinder body 27 and it is enclosed on around rotation sorting discharging cone cylinder 2;Motor 5 drives main shaft 3 and rotation sorting to unload by V belt wheels 12 Material cone cylinder 2 rotates together.To prevent rotary body vibration aggravation, cushion blocking 4 is mounted between frame 11 and support 6, absorbs rotation Vibrated caused by turning.
Described charging gear is made up of relative combinations above and below layering swirl component, water diversion part:
Described layering swirl component contains mineral-feeding pipe 15, on mineral-feeding pipe 15 from bottom to top it is parallel installation 3 layers of diameter by The interior final election Circular Plate 14 gradually increased, the outer rim of every layer of interior final election Circular Plate 14 and the rotation sorting of vertical centrifugal ore selector are unloaded Expect to leave the gap passed through for ore pulp between the inwall of cone cylinder 2, interior final election Circular Plate 14 and the rotation of vertical centrifugal ore selector sort The inwall sorting groove of discharging cone cylinder 2 is corresponding, controls ore pulp laminar flow, have activated center ore pulp, highlights reciprocal layering point Effect is selected, improves treating capacity, saves water consumption;Final election Circular Plate 14 and the junction of mineral-feeding pipe 15, are reserved in every layer The ore removal hole 28 passed through for mineral, interior final election Circular Plate 14 is both played guide functions, prevent mineral to silt up in board slot again; Open-work 29 is also left in interior final election Circular Plate 14, it is therefore prevented that mineral silt up.
Described water diversion part contains lifts plate 20, and lifts plate 20 is disc, around center by putting in lifts plate 20 Shape equidistantly 10 parabola projections 17 of installation are penetrated, parabola projection 17 is arranged on lifts plate 20 by fixing bolt 19, fixed On seat 21, fixed seat 21 is directly welded in rotation sorting discharging cone cylinder 2 by fixed support 22.It is single based on centrifugal action principle The individual structure of parabola projection 17 has considerable influence to feed effect, and therefore, the utility model is by the plane section of parabola projection 17 Peripheral profile line be designed to the structure connected and composed by inner circle camber line 23, rear parabola 24, preceding parabola 25, cylindrical camber line 26 Form, described inner circle camber line 23 and cylindrical camber line 26 are cylindrical concentric with disk, and the focus of described rear parabola 24 exists On disc centre point, head, the tail of rear parabola 24 intersect with inner circle camber line 23 and cylindrical camber line 26 respectively, and disk, parabola are convex Block 17 collectively forms some fan-shaped ore pulp passages;The rotation of parabola 24, which moves 18 degree, afterwards can obtain another section of circular arc, and sanction is gone and inner circle camber line 23 intersecting redundances, have just obtained preceding parabola 25;Face where described preceding parabola 25 is the guide face of ore pulp, is guided The centrifugal motion of ore pulp, the edges and corners chamfering that rear parabola 24 is formed is conveniently stripped.Between between adjoining parabolic line projection 17 Gap forms 10 fan-shaped ore pulp flow-guiding channels, plays a part of shunting, homogeneous material well.
The top of mineral-feeding pipe 15 is passed through and is welded on the centre bore of upper cover plate 18, and the cover of upper cover plate 18 is covered in outer cylinder body 27 On;Swivel joint 13 is arranged on the lower end of main shaft 3;Water supply installation 8 contains two branch pipes, and one of branch pipe is from mineral-feeding pipe 15 It is in portion's insertion rotation sorting discharging cone cylinder 2 and parallel with mineral-feeding pipe 15, ascending water is added from inside to outside, accelerates the cleaning of ore pulp; Another branch pipe is then connected from bottom by swivel joint 13 with main shaft 3, and is reached by the hollow space of main shaft 3 in water jacket 1, Form certain pressure and inject rotation sorting discharging cone cylinder 2 from outside to inside from the aperture on the inwall of rotation sorting discharging cone cylinder 2 In inwall sorting groove, prevent from sorting mineral alluvial in groove and lose separating effect.
The lower mouth of mineral-feeding pipe 15 is tapered closing in 16, after ore pulp is fed by mineral-feeding pipe 15, arrives first at parabola projection 17 On, then imported by 10 fan-shaped ore pulp flow-guiding channels in rotation sorting discharging cone cylinder 2.
After ore pulp is fed by outside mixing drum by mineral-feeding pipe 15, under the action of the centrifugal force, with rotation sorting discharging cone cylinder 2 Rotational flow is done, and it is successively upward along the groove on the circular ring plate of rotation sorting discharging cone cylinder 2, and the groove of similar shaking table is past The overfall discharge on edge in rotation sorting discharging cone cylinder 2 is moved to again.And rotation sorting discharging cone cylinder 2 is up big and down small, in axial direction There is the downward gradient, be similar to spiral chute again and act on, mineral grain sorts upward fortune of being spinned in discharging cone cylinder 2 in rotation It is dynamic.Gangue and other light impurities overflow in the presence of buoyancy and ascending current impulse force from the top of rotation sorting discharging cone cylinder 2, Discharged after flowing into tail-box 10.In the inner wall trench of rotation sorting discharging cone cylinder 2, it is provided with concentrate and portals, worn by concentrate pipe The position of water jacket 1 of rotation sorting discharging cone cylinder 2 is crossed, is discharged into the concentrate hopper 9 of the bottom of rotation sorting discharging cone cylinder 2, completes whole Assorting room.Automatic control system 7 to controlled motor 5 operating.

Claims (5)

  1. A kind of 1. vertical centrifugal ore selector suitable for iron ore dressing, by charging gear, rotation sorting discharging cone cylinder (2), water jacket (1), main shaft (3), motor (5), support (6), automatic control system (7), water supply installation (8), concentrate hopper (9), tail-box (10), Frame (11), V belt wheels (12), swivel joint (13), outer cylinder body (27) combination are formed, and concentrate hopper (9) passes through pipeline and rotation point The inwall of discharging cone cylinder (2) is selected to communicate, tail-box (10) communicates with the overfall of rotation sorting discharging cone cylinder (2), rotation sorting Discharging cone cylinder (2) is connected with main shaft (3), and main shaft is cased with a pair of bearings and bearing block on (3), and bearing block is fixed by flange In frame (11);Water jacket (1) is located in outer cylinder body (27) and is enclosed on around rotation sorting discharging cone cylinder (2);Motor (5) is logical Crossing V belt wheels (12) drives main shaft (3) and rotation sorting discharging cone cylinder (2) to rotate together;It is characterized in that described charging gear It is made up of relative combinations above and below layering swirl component, water diversion part:
    Described layering swirl component contains mineral-feeding pipe (15), and the lower mouth of mineral-feeding pipe (15) is tapered closing in (16), in mineral-feeding pipe (15) the interior final election Circular Plate (14) that parallel installation 2-6 layer diameters are gradually increased from bottom to top on, every layer of interior final election Circular Plate (14) outer rim and the rotation of vertical centrifugal ore selector leaves the gap passed through for ore pulp between sorting the inwall of discharging cone cylinder (2);
    Described water diversion part contains lifts plate (20), around center by radial equidistantly installation parabolic in lifts plate (20) Line projection (17), the gap between adjoining parabolic line projection (17) form fan-shaped ore pulp flow-guiding channel;
    The top of mineral-feeding pipe (15) is passed through and is welded on the centre bore of upper cover plate (18), and upper cover plate (18) cover is covered in outer cylinder body (27) on;Swivel joint (13) is arranged on the lower end of main shaft (3);Water supply installation (8) contains two branch pipes, one of branch pipe from In mineral-feeding pipe (15) top insertion rotation sorting discharging cone cylinder (2), another branch pipe then from bottom by swivel joint (13) with Main shaft (3) connects, and is reached by the hollow space of main shaft (3) in water jacket (1).
  2. A kind of 2. vertical centrifugal ore selector suitable for iron ore dressing as claimed in claim 1, it is characterised in that:In frame (11) cushion blocking (4) is mounted between support (6).
  3. A kind of 3. vertical centrifugal ore selector suitable for iron ore dressing as claimed in claim 2, it is characterised in that:It is described interior multiple Select Circular Plate (14) throwing relative, described with the inwall sorting groove of the rotation sorting discharging cone cylinder (2) of vertical centrifugal ore selector Thing line projection (17) is by fixing bolt (19) in lifts plate (20), fixed seat (21), and fixed seat (21) is by fixed branch Frame (22) is directly welded in rotation sorting discharging cone cylinder (2).
  4. A kind of 4. vertical centrifugal ore selector suitable for iron ore dressing as described in claim 1,2 or 3, it is characterised in that:Institute The peripheral profile line of the plane section for the parabola projection (17) stated is by inner circle camber line (23), rear parabola (24), preceding parabola (25), cylindrical camber line (26) connects and composes, and the face where described preceding parabola (25) is the guide face of ore pulp;Described lifts Plate (20) is disc, described inner circle camber line (23) and cylindrical concentric with disk, the described rear throwing of cylindrical camber line (26) The focus of thing line (24) on disc centre point, the head of rear parabola (24), tail respectively with inner circle camber line (23) and cylindrical camber line (26) intersect, disk, parabola projection (17) collectively form some fan-shaped ore pulp passages.
  5. A kind of 5. vertical centrifugal ore selector suitable for iron ore dressing as claimed in claim 4, it is characterised in that:Described is interior The number of plies of final election Circular Plate (14) is 3-4 layers, and described parabola projection (17) quantity is 8-12;The final election annulus in every layer Plate (14) and mineral-feeding pipe (15) junction, have reserved the ore removal hole (28) passed through for mineral, on interior final election Circular Plate (14) also Leave open-work (29).
CN201720385617.9U 2017-04-13 2017-04-13 A kind of vertical centrifugal ore selector suitable for iron ore dressing Active CN206688913U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108212558A (en) * 2018-01-31 2018-06-29 湖北环电磁装备工程技术有限公司 The centrifugal ore separator that a kind of combination type permanent-magnet synchronous motor directly drives

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108212558A (en) * 2018-01-31 2018-06-29 湖北环电磁装备工程技术有限公司 The centrifugal ore separator that a kind of combination type permanent-magnet synchronous motor directly drives

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Address after: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666

Co-patentee after: HUAWEI METAL MINERAL RESOURCE EFFICIENT RECYCLING UTILIZATION NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd.

Patentee after: MAANSHAN Mine Research Institute Co.,Ltd.

Address before: 243000 Xitang Road, Ma'anshan Economic Development Zone, Anhui, No. 666

Co-patentee before: HUAWEI METAL MINERAL RESOURCE EFFICIENT RECYCLING UTILIZATION NATIONAL ENGINEERING RESEARCH CENTER Co.,Ltd.

Patentee before: SINOSTEEL MAANSHAN INSTITUTE OF MINING RESEARCH Co.,Ltd.

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