CN209188995U - A kind of continuous ore discharge centrifugal separator of helicoid fluidization back-flushing - Google Patents
A kind of continuous ore discharge centrifugal separator of helicoid fluidization back-flushing Download PDFInfo
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- CN209188995U CN209188995U CN201821939592.3U CN201821939592U CN209188995U CN 209188995 U CN209188995 U CN 209188995U CN 201821939592 U CN201821939592 U CN 201821939592U CN 209188995 U CN209188995 U CN 209188995U
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- hollow shaft
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- flushing
- enrichment
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Abstract
The utility model relates to centrifuge instrument technical fields, especially a kind of continuous ore discharge centrifugal separator of helicoid fluidization back-flushing, including pedestal, the transmission mechanism, vibration absorber, rack, bearing arrangement and the tailing chute that are made of motor and belt pulley group.The existing fluidization back-flushing profile for strengthening centrifugal field ore separators is extended to helicoid by water hole column by a kind of improved continuous ore discharge centrifugal separator of helicoid fluidization back-flushing of the utility model, the sphere of action of back-flushing is increased, is conducive to improve the efficiency of separation;Centrally located ore discharge channel simultaneously, avoiding concentrate outlet in existing centrifugal ore separator has the shortcomings that rotation speed causes concentrate to be thrown out of, cone internal structure is enriched with to rotation greatly to be simplified with transmission system, so that centrifugal ore separator is integrally more compact, is run more stable.
Description
Technical field
The utility model relates to centrifuge instrument technical field, especially a kind of continuous ore discharge of helicoid fluidization back-flushing
Centrifugal ore separator.
Background technique
Mineral resources are non-renewable resources, and with the continuous exploitation of the mankind, the reserves of abundant ore source are sharply reduced, mineral products
Poor, thin, the miscellaneous feature of resource is more and more prominent.In face of severe resource form, the sorting of low-grade, fine fraction, refractory ore
Increasingly it is taken seriously.Valuable mineral disseminated grain size is very thin in these ores, and some is even up to micron order, this just needs to adopt
Monomer dissociation can be just allowed to Ultrafine Grinding.And lower density variation and thinner dissociation granularity between particle, cause to utilize biography
The separation difficult to realize of the reselecting method of system, establishes effective compound force field, and intensified sorting process is to improve fine fraction sorting efficiency
Important technology.Currently, the centrifugal separation to the Research tendency of centrifugal ore separator in continuous type and more compound force fields is set both at home and abroad
Standby development and application, wherein the application of fluidization back-flushing technology is even more to develop an important trend of modern centrifugal machine.
Currently, the rotary drum of the centrifugal ore separator for handling subparticle mineral is coaxial mounted inside and outside back taper, inner cone
Inner wall there is cricoid groove, channel bottom is circumferentially evenly provided with aperture, and back-flushing enters that generation is radial to penetrate from the hole
Stream, when sorting for recoil mineral, ore discharge when for rinsing concentrate.Mineral grain is penetrated in rotating centrifugal flow field and radial recoil
It flows and is separated in the compound force field formed, in the trench, the small tailing of density is from the upper of rotary drum for the big concentrate object deposition of density
Mouth edge overflow goes out.The centrifugal ore separator of this drum structure not can be carried out continuous ore dressing, and efficiency is lower.
The backwash continuous centrifugal ore separator and patent No. CN 205949079 that China Patent No. 02214995.3 proposes
U propose continuous centrifugal concentrating machine all utilize be installed in rotation enrichment cone top part sub-material ring combination mineral collect body using in fact
The continuous work that centrifugal separation sorts mineral is showed.But the gap size of sub-material ring and rotation enrichment cone top part will affect concentrate
With the separation of tailing, easily occur separating halfway situation, the especially sorting of fine-grained minerals.In addition, patent No. CN
A kind of Hematite separation of continuous butterfly centrifugal ore separators, 107185728 A of patent No. CN proposition that 101632964 A are proposed
The continuous ore discharge centrifugal separation that the vertical centrifugal ore selector and 203196795 U of patent No. CN for capableing of continuous ore discharge propose
The structure of machine, centrifuge is all complex.It is therefore desirable to propose new bowl structure to realize continuous ore discharge, and
The structure of rotary drum is simple, compact, reduces the operation and maintenance cost of centrifuge.
Utility model content
Technical problem to be solved by the utility model is: providing one to solve the problems, such as above-mentioned background technique
The improved continuous ore discharge centrifugal separator of helicoid fluidization back-flushing of kind, solves the problems, such as above-mentioned background technique.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of improved helicoid fluidization recoil
The continuous ore discharge centrifugal separator of water, including pedestal, the transmission mechanism, vibration absorber, the machine that are made of motor and belt pulley group
Frame, bearing arrangement, tailing chute, rubber seal and annular pressing plate, during the tailing chute upper end opening position is provided with
The heart has the upper cover of integral structure feed pipe, and the upper cover is fixedly connected with tailing chute upper end opening, the tailing chute
It is internally provided with enrichment cone and outer layer cylinder, the enrichment cone is internally provided with material separating disc and cylinder manifold, under the enrichment is bored
End is provided with the hollow shaft of built-in concentrate flow tube, and the transmission mechanism controls motor by belt pulley group and hollow shaft passes
Dynamic connection.
The enrichment cone is inverted cone, and the enrichment cone outer wall and inner wall are taper, in the enrichment cone
It is provided with spiral shape fine crack on wall, is all to be connected by key progress circumferentially to determine between the enrichment cone, outer layer cylinder and hollow shaft
Position, the described enrichment cone are placed on the inside of outer layer cylinder, between the enrichment cone and outer layer cylinder by annular pressing plate by sealing ring and
Ring baffle bolt is fixedly connected.
The cylinder manifold is placed in enrichment cone bottom, and the cylinder manifold upper surface has inverted cone surface.
Recoil water cavity is formed between on the outside of the concentrate flow tube and on the inside of hollow shaft, the concentrate flow tube lower end passes through
External screw thread face is threadedly coupled with end cap, and the end cap and hollow shaft are fixed by screw.
The hollow shaft top is cyclic structure, and the hollow shaft top and material separating disc lower surface axial restraint connect
It connects, the hollow shaft upper end two sides offer first through hole, pass through first through hole between the enrichment cone and concentrate flow tube
It is connected.
The hollow shaft lower end is equipped with the axle sleeve with end cap, is arranged between the axle sleeve and the external cylindrical surface of hollow shaft
There are bearing, y-type seal ring and axis to be sealed with this spy, is sealed between the axle sleeve and the external cylindrical surface of hollow shaft by bearing, Y type
Circle and axis are sealed with this spy carries out rotary seal mating connection, is offered on the axle sleeve into water annular groove and the second inlet opening, institute
Water inlet pipe is connected on the second inlet opening stated, it is hollow that the corresponding water inlet ring groove position of the hollow shaft lateral surface offers connection
First inlet opening of recoil water cavity in axis.
The utility model has the beneficial effects that a kind of improved helicoid fluidization back-flushing of the utility model is continuously arranged
Mine centrifugal ore separator drives enrichment cone, outer layer cylinder high speed rotation to generate high-intensitive centrifugal force field, back-flushing warp by hollow shaft
The spiral slit that axle sleeve, recoil water cavity and second, third channel enter on water jacket samdwich and enrichment cone enters sorting region and is formed
The spiral reverse swash of wave, mineral grain enter in enrichment cone with ore pulp from feed pipe, equably to cone wall fortune under material separating disc effect
It is dynamic, it is separated under the compound action power of the spiral reverse swash of wave and rotational flow field, the back-flushing of the centrifugal ore separator passes through spiral
The helicoid formed when gap is instead of the concavo-convex trapezoidal groove in existing water jacket centrifuge, positioned at centrifugal ore separator center
Concentrate flow tube can realize the continuous ore discharge during mineral sort, and avoid concentrate outlet in existing centrifugal ore separator and have
The shortcomings that rotation speed causes concentrate to be thrown out of has carried out greatly simplified rotation enrichment cone internal structure and passed in structure
The structure of dynamic system makes centrifugal ore separator integrally more compact, runs more stable.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram that material separating disc is connected with concentrate flow tube in the utility model.
Fig. 3 is the structural schematic diagram that the utility model bottom bracket axle 19 connects.
In figure: 1. pedestals, 2. transmission mechanisms, 3. vibration absorbers, 4. racks, 5. bearing arrangements, 6. tailing chutes, on 7.
Lid, 8. feed pipes, 9. ring baffles, 10 sealing rings, 11. annular pressing plates, 12. enrichment cones, 13. outer layer cylinders, 14. material separating discs, 15.
Cylinder manifold, 17. hollow shafts, 1701. first through hole, 1702. second channels, 1703. third channels, 1704. recoil water cavities,
1705. annular grooves, 1706. inlet openings, 18. concentrate flow tubes, 19. axle sleeves, 1901. water inlet annular grooves, 1902. second inlet openings, 20.Y
Type sealing ring, 21. axis are sealed with this spy, 22. bearings, 25. semi-rings, 26. lantern rings.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
Fig. 1, Fig. 2 and the continuous ore discharge centrifugal separator of helicoid fluidization back-flushing shown in Fig. 3, including pedestal 1, by electricity
Transmission mechanism 2, the vibration absorber 3, rack 4, bearing arrangement 5, tailing chute 6, rubber seal that machine and belt pulley group are constituted
Circle 10 and annular pressing plate 11,6 upper end opening position of tailing chute are provided with the upper cover 7 that center has integral structure feed pipe 8, on
Lid 7 is fixedly connected with 6 upper end opening of tailing chute, and tailing chute 6 is internally provided with enrichment cone 12 and outer layer cylinder 13, enrichment cone 12
It is internally provided with material separating disc 14 and cylinder manifold 15,12 lower ends of enrichment cone are provided with the hollow shaft 17 of built-in concentrate flow tube 18, transmission
Mechanism 2 controls motor by belt pulley group and hollow shaft 17 is sequentially connected.
Enrichment cone 12 is inverted cone, and enrichment 12 outer walls of cone and inner wall are taper, is provided with spiral shell on enrichment 12 inner walls of cone
Revolve shape fine crack, enrichment cone 12, be all between outer layer cylinder 13 and hollow shaft 17 be connected by key carry out it is circumferentially positioned, outer layer cylinder 13
Axially position is completed by check ring 16, and check ring 16 is placed in annular groove 1705, and enrichment cone 12 is placed in outer layer cylinder 13
Inside is fixedly connected by sealing ring 10 with 9 bolt of ring baffle between enrichment cone 12 and outer layer cylinder 13 by annular pressing plate 11, with
Without relative rotation between outer layer cylinder 13, cylinder manifold 15 is placed in 12 bottoms of enrichment cone, and 15 upper surface of cylinder manifold has inverted cone surface, can
Make concentrate particle to convergence at center, material can use wear-resisting light plastics, 17 inside of 18 outside of concentrate flow tube and hollow shaft
Between form recoil water cavity 1704,18 lower end of concentrate flow tube is threadedly coupled by external screw thread face with end cap 24, end cap 24 with it is hollow
Axis 17 is fixed by screw, finally makes the water cavity closing that recoils, and 17 top of hollow shaft is cyclic structure, 17 top of hollow shaft and sub-material
Disk 14 is fixedly connected, and when work, material separating disc 14 rotates together with hollow shaft 17, and 17 upper end two sides of hollow shaft offer first through hole
1701, it is connected between enrichment cone 12 and concentrate flow tube 18 by first through hole 1701, in enrichment 12 outer walls of cone and outer layer cylinder 13
The connection of water jacket samdwich and recoil water cavity 1704 is then by the second channel 1702 and third channel in hollow shaft 17 between wall
1703 complete, and 17 lower end of hollow shaft is equipped with the axle sleeve 19 with end cap, are provided between axle sleeve 19 and the external cylindrical surface of hollow shaft 17
This spy's envelope 21 of bearing 22, y-type seal ring 20 and axis, passes through bearing 22, Y type between axle sleeve 19 and the external cylindrical surface of hollow shaft 17
Sealing ring 20 and axis carry out rotary seal mating connection with this spy's envelope 21, offered on axle sleeve 19 into water annular groove 1901 and second into
Water hole 1902, water inlet pipe is connected on the second inlet opening 1902, and corresponding water inlet 1901 position of annular groove of 17 lateral surface of hollow shaft opens up
There is the first inlet opening 1706 of recoil water cavity 1704 in connection hollow shaft 17, the axially position of bearing 22 is by the shaft shoulder, two semi-rings
25 and lantern ring 26 complete.
The utility model has the beneficial effects that a kind of improved helicoid fluidization back-flushing of the utility model is continuously arranged
Mine centrifugal ore separator drives enrichment cone 12,13 high speed rotation of outer layer cylinder to generate high-intensitive centrifugal force field, recoil by hollow shaft
The spiral slit that water warp beam sleeve 19, recoil water cavity 1704 and second, third channel enter on water jacket samdwich and enrichment cone 12 enters
It sorts region and forms the spiral reverse swash of wave, mineral grain is entered in enrichment cone 12 from feed pipe 8 with ore pulp, acted in material separating disc 14
Under equably to cone wall move, separated under the compound action power of the spiral reverse swash of wave and rotational flow field, the centrifugal ore separator
Back-flushing pass through the helicoid formed when spiral slit instead of the concavo-convex trapezoidal groove in existing water jacket centrifuge, be located at
The concentrate flow tube 18 at centrifugal ore separator center can realize the continuous ore discharge during mineral sort, and avoid existing centrifugation choosing
Concentrate outlet has the shortcomings that rotation speed causes concentrate to be thrown out of in mine machine, has carried out greatly simplified rotation in structure
The structure of enrichment 12 internal structures of cone and transmission system makes centrifugal ore separator integrally more compact, runs more stable.
The course of work of the centrifugal ore separator in ore dressing process are as follows:
Motor moves hollow shaft 17 by belt driving band and rotates, and hollow shaft drives enrichment cone 12, outer layer cylinder 13 to revolve at a high speed
The centrifugal force field for raw high intensity of changing the line of production, back-flushing warp beam sleeve 19, recoil water cavity 1704, second channel 1702 and third channel 1703
Enter sorting region into the spiral slit on water jacket samdwich and enrichment inner cone and form the spiral reverse swash of wave, by ore grinding or screening
Ore particle is entered in enrichment cone 12 with ore pulp state from feed pipe 8, when reaching material separating disc 14, is acted in high-speed rotating centrifugal force
Under, ore pulp is moved to enrichment cone wall, and the layering of weight mineral, specific gravity are fast implemented under the collective effect of centrifugal force and back-flushing
Big particle can overcome the Radial resistant force of back-flushing in the near wall aggregation of enrichment cone, along cone under the action of water flow and gravity
Wall moves downward, and is finally pooled to center by the inverted cone surface of cylinder manifold 15, by two through-hole streams of 17 upper end of hollow shaft
Concentrate collecting chamber is expelled to from bottom center through concentrate flow tube 18.The small particle of specific gravity is difficult to overcome the effect of back-flushing, meeting
The amount of following the trend water flow to rotary drum center, move upwards, and go out to pass through tailing chute 6 from the overflow of rotary drum upper end around ring baffle 9
To tailing collecting chamber.
The spiral shell that the helicoid fluidization back-flushing continuous ore discharge centrifugal separator is formed when passing through spiral slit with back-flushing
Radial facing is extended to instead of the concavo-convex trapezoidal groove in existing water jacket centrifuge, by the action mode of back-flushing by column water flow
Gap stream, increases the acting surface of fluidization back-flushing;17 upper-end structure of hollow shaft and concentrate runner 18 can realize that mineral sort
Continuous ore discharge in the process, simplified in structure rotation enrichment cone 12 internal structures, compared with the structure of transmission system 2 so that
Centrifugal ore separator is integrally more compact, runs more stable.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (6)
1. a kind of continuous ore discharge centrifugal separator of helicoid fluidization back-flushing, including pedestal (1), by motor and belt pulley
Transmission mechanism (2), the vibration absorber (3), rack (4), bearing arrangement (5), tailing chute (6), rubber seal of group composition
(10) and annular pressing plate (11), it is characterized in that: described tailing chute (6) the upper end opening position, which is provided with center, has one knot
The upper cover (7) of structure feed pipe (8), the upper cover (7) are fixedly connected with tailing chute (6) upper end opening, and the tailing slips
Slot (6) is internally provided with enrichment cone (12) and outer layer cylinder (13), the enrichment bore (12) be internally provided with material separating disc (14) and
Cylinder manifold (15), described enrichment cone (12) lower end are provided with the hollow shaft (17) of built-in concentrate flow tube (18), the transmission
Mechanism (2) controls motor and hollow shaft (17) transmission connection by belt pulley group.
2. a kind of continuous ore discharge centrifugal separator of helicoid fluidization back-flushing according to claim 1, it is characterized in that: institute
The enrichment cone (12) stated is inverted cone, and enrichment cone (12) outer wall and inner wall are taper, and (12) are bored in the enrichment
It is provided with spiral shape fine crack on inner wall, is all to pass through key between the enrichment cone (12), outer layer cylinder (13) and hollow shaft (17)
Connection carries out circumferentially positioned, described enrichment cone (12) and is placed on the inside of outer layer cylinder (13), the enrichment cone (12) and outer layer cylinder
(13) it is fixedly connected by sealing ring (10) with ring baffle (9) bolt between by annular pressing plate (11).
3. a kind of continuous ore discharge centrifugal separator of helicoid fluidization back-flushing according to claim 1, it is characterized in that: institute
The cylinder manifold (15) stated is placed in enrichment cone (12) bottom, and the cylinder manifold (15) upper surface has inverted cone surface.
4. a kind of continuous ore discharge centrifugal separator of helicoid fluidization back-flushing according to claim 1, it is characterized in that: institute
Recoil water cavity (1704), the concentrate flow tube (18) are formed between on the outside of the concentrate flow tube (18) stated and on the inside of hollow shaft (17)
Lower end is threadedly coupled by external screw thread face with end cap, and the end cap is fixed with hollow shaft (17) by screw.
5. a kind of continuous ore discharge centrifugal separator of helicoid fluidization back-flushing according to claim 1, it is characterized in that: institute
Hollow shaft (17) top stated is cyclic structure, and the hollow shaft (17) top and material separating disc (14) lower surface axial restraint connect
It connects, the hollow shaft (17) upper end two sides offer first through hole (1701), the enrichment cone (12) and concentrate flow tube
(18) it is connected between by first through hole (1701).
6. a kind of continuous ore discharge centrifugal separator of helicoid fluidization back-flushing according to claim 1, it is characterized in that: institute
Hollow shaft (17) lower end stated is equipped with the axle sleeve (19) with end cap, the external cylindrical surfaces of the axle sleeve (19) and hollow shaft (17) it
Between be provided with this spy's envelope (21) of bearing (22), y-type seal ring (20) and axis, the axle sleeve (19) and hollow shaft (17) it is outer
Rotary seal mating connection is carried out with this spy's envelope (21) by bearing (22), y-type seal ring (20) and axis between cylindrical surface, it is described
Axle sleeve (19) on offer into water annular groove (1901) and the second inlet opening (1902), connect on second inlet opening (1902)
Water pipe is tapped into, corresponding water inlet annular groove (1901) position of the hollow shaft (17) lateral surface offers in connection hollow shaft (17)
The first inlet opening (1706) of recoil water cavity (1704).
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CN201821939592.3U CN209188995U (en) | 2018-11-21 | 2018-11-21 | A kind of continuous ore discharge centrifugal separator of helicoid fluidization back-flushing |
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CN201821939592.3U CN209188995U (en) | 2018-11-21 | 2018-11-21 | A kind of continuous ore discharge centrifugal separator of helicoid fluidization back-flushing |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116618164A (en) * | 2023-07-26 | 2023-08-22 | 赣州金环磁选科技装备股份有限公司 | Series centrifugal concentrating machine |
-
2018
- 2018-11-21 CN CN201821939592.3U patent/CN209188995U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116618164A (en) * | 2023-07-26 | 2023-08-22 | 赣州金环磁选科技装备股份有限公司 | Series centrifugal concentrating machine |
CN116618164B (en) * | 2023-07-26 | 2023-10-03 | 赣州金环磁选科技装备股份有限公司 | Series centrifugal concentrating machine |
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