CN113304870A - Centrifugal automatic concentrating machine - Google Patents
Centrifugal automatic concentrating machine Download PDFInfo
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- CN113304870A CN113304870A CN202110873597.0A CN202110873597A CN113304870A CN 113304870 A CN113304870 A CN 113304870A CN 202110873597 A CN202110873597 A CN 202110873597A CN 113304870 A CN113304870 A CN 113304870A
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- feeding pipe
- water
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- feeding
- centrifugal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
- B03B5/28—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation
- B03B5/30—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions
- B03B5/32—Washing granular, powdered or lumpy materials; Wet separating by sink-float separation using heavy liquids or suspensions using centrifugal force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B11/00—Feed or discharge devices integral with washing or wet-separating equipment
Abstract
The invention belongs to the technical field of ore processing, and particularly relates to a centrifugal automatic concentrating machine which comprises a base, wherein a centrifugal machine is fixedly arranged on the base, and a concentrate outlet and a tailing outlet are formed in the side wall of the centrifugal machine; a feeding pipe is vertically and fixedly arranged on the top surface of the centrifugal machine, and a water conveying mechanism is arranged on the feeding pipe; a conical disc is fixedly arranged at the top of the feeding pipe; a plurality of inverted L-shaped supports are uniformly and fixedly arranged on the top surface of the centrifuge around the feeding pipe, and a feeding mechanism positioned above the water conveying mechanism is arranged between the end parts of the plurality of L-shaped supports. In the process of mixing the ore particles and the water to form the mortar, the water and the ore particles can flow in a uniform state, the uniformly flowing water and the ore particles are contacted and mixed between the spherical ball and the feeding pipe to form the ore pulp with uniform concentration, the agglomeration of the ore particles is avoided, and the effect of centrifugal gravity separation is ensured.
Description
Technical Field
The invention belongs to the technical field of ore processing, and particularly relates to a centrifugal automatic concentrating machine.
Background
The concentrator is a machine for classifying and selecting mineral products according to different specific attributes of the mineral products, and the centrifugal concentrator is equipment for reselecting mineral sand particles in a centrifugal force field; CN212119286U discloses a centrifugal concentrator, which comprises a centrifugal barrel with a chassis connected with a chassis bearing and a cover shell sleeved outside the centrifugal barrel, wherein a water circulation pool is arranged on the side surface of the chassis; a supporting platform for mounting a centrifugal barrel and a collecting tray for collecting tailings are arranged at the upper end of the chassis; a centrifugal motor for driving the centrifugal barrel to rotate and a discharge channel for guiding the concentrate out are fixed at the lower end of the chassis; a concentrate discharge channel is arranged on the centrifugal barrel; the concentrate discharging pipe is arranged at the upper end of the concentrate discharging channel; the central shaft is fixedly connected with the centrifugal barrel, and the vertical wall is arranged on the outer side of the centrifugal barrel and used for preventing coarse ores from influencing the rotation of the centrifugal barrel; the housing comprises a top plate and a housing wall; a feed inlet for crushed ore to enter the centrifugal barrel is fixed on the top plate; a water channel and a water spraying hole are arranged in the top plate; the water circulation pool comprises an ore filtering pool, a water pool arranged below the ore filtering pool, a water pump arranged in the water pool and a water guide pipe, wherein one end of the water guide pipe is connected with the water pump, and the other end of the water guide pipe is connected with the water channel.
Centrifugal concentrator need mix with ore grain and water when screening the ore grain and form the mortar, then send the mortar to the centrifuge tube on, other centrifugal concentrator among above-mentioned centrifugal concentrator and the prior art are when mixing ore grain and water, spill the ore grain in the aquatic of flow with the help of the container through the manual work, let water and ore grain mix the ore pulp, this kind of mode is difficult to guarantee ore grain and water homogeneous mixing, lead to part ore grain to form the reunion easily, be difficult to fuse with water, thereby the effect of screening has been influenced.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme: a centrifugal automatic concentrating machine comprises a base, wherein a centrifugal machine is fixedly mounted on the base, and a concentrate outlet and a tailing outlet are formed in the side wall of the centrifugal machine; a feeding pipe is vertically and fixedly arranged on the top surface of the centrifugal machine, and a water conveying mechanism is arranged on the feeding pipe; a conical disc is fixedly arranged at the top of the feeding pipe; a plurality of inverted L-shaped supports are uniformly and fixedly arranged on the top surface of the centrifuge around the feeding pipe, and a feeding mechanism positioned above the water conveying mechanism is arranged between the end parts of the plurality of L-shaped supports.
The position of the inner wall of the feeding pipe, which is close to the top surface, forms a hemispherical surface, the water delivery mechanism comprises a plurality of rolling balls which are rotatably embedded on the hemispherical part of the inner wall of the feeding pipe, and the plurality of rolling balls are uniformly arranged along the circumferential direction of the feeding pipe; centrifuge top surface fixed mounting has the water pump, and water pump exit fixed mounting has the raceway of L type, and the raceway horizontal segment runs through the inlet pipe lateral wall, and the vertical section of raceway is in the axis coincidence state with the inlet pipe and installs the ball, and the raceway axis runs through the ball centre of sphere, and the laminating of ball surface is on the spin is surperficial, and the spin plays the supporting role to the ball.
Water is conveyed to the water conveying pipe through the water pump, and the water flowing out of the top of the water conveying pipe falls to the surface of the round ball and flows downwards along the surface of the round ball; because the surface of the sphere is regular in shape, water on the surface of the sphere can flow uniformly, namely the thickness of the water layer on the surface of the sphere is uniform.
The feeding mechanism comprises a circular ring which is fixedly arranged among the end parts of the plurality of L-shaped supports and is superposed with the axis of the feeding pipe, a cylinder is rotatably arranged in the circular ring, a plurality of connecting rods are uniformly and fixedly arranged on the inner wall of the cylinder along the circumferential direction of the cylinder, and a feeding pipe which is superposed with the axis of the cylinder is fixedly arranged among the end parts of the plurality of connecting rods; a plurality of discharge ports are uniformly formed in the side wall of the feeding pipe along the circumferential direction of the feeding pipe, and a feeding disc which is superposed with the axis of the feeding pipe is installed at the bottom end of the feeding pipe; a first gear ring is fixedly arranged on the outer side wall of the cylinder; the vertical fixed mounting of centrifuge top surface has driving motor, and driving motor's output fixed mounting has the pivot, and fixed mounting has the first gear with first ring gear meshing in the pivot.
The rotating shaft is driven to rotate by the driving motor, so that the first gear, the first gear ring, the cylinder, the connecting rod, the feeding pipe and the feeding disc are driven to synchronously rotate; conveying the ore particles into the feeding pipe, wherein the ore particles flow out of the discharge hole, fall onto the feeding disc and move outwards under the action of centrifugal force until the ore particles are separated from the feeding disc, impact the inner wall of the cylinder and penetrate through an annular gap between the cylinder and the feeding disc; then, the ore particles fall to the upper surface of the conical disc under the action of gravity and slide downwards along the upper surface of the conical disc until contacting with water left on the surface of the round ball to be mixed into ore pulp; because the cylinder and the feeding disc are in a rotating state, the uniform distribution of the ore particles falling to the upper surface of the conical disc can be ensured, namely the thickness of the ore particles flowing downwards along the upper surface of the conical disc is uniform; the ore pulp passes through the gap between the round ball and the feeding pipe and then flows downwards along the inner wall of the feeding pipe to the interior of the centrifuge for gravity separation.
As a preferred technical scheme of the invention, the top of the vertical section of the water delivery pipe is fixedly provided with a water homogenizing disc superposed with the axis of the feeding pipe, the water homogenizing disc is communicated with the water delivery pipe, and the side wall of the water homogenizing disc is uniformly provided with a plurality of water outlets along the circumferential direction; the water of the water delivery pipe enters the water homogenizing disc, then the water homogenizing disc is filled and flows out from the water outlet, and the water outlet is uniformly distributed on the side wall of the water homogenizing disc, so that the thickness uniformity of the water layer flowing on the surface of the round ball is further ensured.
As a preferred technical scheme of the invention, the top surface of the conical disc is rotatably provided with a mounting ring which is superposed with the axis of the feeding pipe, the inner side wall of the mounting ring is uniformly and fixedly provided with a plurality of material homogenizing rods along the circumferential direction, and the material homogenizing rods are parallel to the generatrix of the conical surface in the conical disc; when the mounting belt moves the refining rod to rotate, the refining rod performs uniform spreading treatment on ore particles on the inner conical surface, namely the upper surface, of the conical disc, so that the uniformity of the thickness of the ore particles is further ensured.
As a preferred technical scheme of the invention, a second gear ring is fixedly installed on the outer side wall of the installation ring, a vertical installation shaft is rotatably installed on the top surface of the centrifuge, a second gear meshed with the second gear ring is fixedly installed on the installation shaft, and a third gear meshed with the second gear ring is fixedly installed on the rotating shaft; when the rotating shaft rotates, the third gear is driven to rotate, so that the second gear, the mounting shaft, the second gear ring, the mounting ring and the material homogenizing rod are driven to synchronously rotate; because the rotation direction of the material homogenizing rod is opposite to that of the cylinder, the effect of homogenizing the ore particles falling to the upper surface of the conical disc by the material homogenizing rod is further improved.
As a preferable technical scheme of the invention, a plurality of balls are uniformly and rotatably arranged on the inner circumferential surface of the circular ring along the circumferential direction of the circular ring, and the balls are in rolling fit with the side wall of the cylinder, so that the friction force between the circular ring and the cylinder is reduced, the cylinder can be ensured to rotate at a constant speed, and the thickness uniformity of ore particles flowing on the upper surface of the conical disc is further ensured.
As a preferred technical scheme of the invention, the top surface of the feeding plate is fixedly provided with a hemispherical block which is sleeved on the feeding pipe; the hemispherical block is positioned below the discharge hole; the ore particles falling from the discharge port fall to the upper surface of the hemispherical block and slide downwards along the hemispherical block, and the shape of the surface of the hemispherical block is regular, so that the ore particles can be uniformly distributed and penetrate between the cylinder and the feeding plate.
According to a preferable technical scheme, a plurality of guide blocks are uniformly and fixedly arranged on the inner wall of the cylinder along the circumferential direction of the cylinder, the guide blocks are positioned above the feeding plate, a lifting rod penetrating through the guide blocks is vertically and slidably arranged on the guide blocks, an arc-shaped strip attached to the inner wall of the cylinder is fixedly arranged at the bottom end of each lifting rod, a horizontal end plate is fixedly arranged at the top end of each lifting rod, and a supporting spring is fixedly connected between each end plate and each guide block.
As a preferred technical scheme of the invention, a first magnet block is fixedly arranged on the top surface of the end plate, two connecting frames are fixedly arranged on the top surface of the centrifuge, and an annular plate which is superposed with the axis of the cylinder is horizontally and fixedly arranged between the two connecting frames; the annular plate is aligned with the lifting rod in the vertical direction, and a plurality of second magnet blocks are uniformly and fixedly mounted on the bottom surface of the annular plate along the circumferential direction of the annular plate.
The drum rotates the in-process and drives the guide block, the lifter, the arc strip, the end plate, supporting spring and first magnet piece synchronous rotation, periodically produce mutual repulsion between first magnet piece and the second magnet piece, this mutual repulsion and supporting spring's elasticity combined action makes first magnet piece, the end plate, lifter and arc strip produce periodic reciprocating, thereby dredge the annular space between drum and the pay-off dish through the arc strip, avoid the condition that the ore granule blockked up annular space.
The invention has at least the following beneficial effects: (1) in the process of mixing ore particles and water to form mortar, the centrifugal automatic ore separator conveys the water to the water homogenizing disc above the ball through the water conveying pipe, the water is uniformly sprayed out through the water outlet through the water homogenizing disc, the water falls to the surface of the ball under the action of gravity and flows downwards along the surface of the ball, and the water on the surface of the ball keeps flowing uniformly due to the regular shape of the surface of the ball; according to the invention, the feeding mechanism is used for uniformly scattering the ore particles to the upper surface of the conical disc, and the rotating material homogenizing rod is used for uniformly spreading the ore particles on the upper surface of the conical disc, so that the ore particles on the upper surface of the conical disc flow uniformly; the uniformly flowing water and the ore particles are contacted and mixed between the ball and the feeding pipe to form ore pulp with uniform concentration, thereby avoiding the agglomeration of the ore particles and ensuring the centrifugal gravity separation effect.
(2) According to the feeding device, the arc-shaped strips are used for downwards pushing the ore particles between the feeding plate and the cylinder, so that the situation that the ore particles are blocked between the feeding plate and the cylinder is avoided, and the ore particles are further guaranteed to uniformly fall onto the upper surface of the conical plate; and through the continuous rotation of the feeding mechanism and the continuous reverse rotation of the material homogenizing rod, the ore particles on the upper surface of the conical disc are further uniformly spread, so that the condition that the ore particles on the upper surface of the conical disc are uniform in thickness before being contacted and mixed with water is further ensured, and the uniform concentration of the mixed ore pulp is ensured.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic perspective view of a centrifugal automated concentrator in an embodiment of the present invention.
Fig. 2 is a schematic perspective view of a portion of a centrifugal automated concentrator in accordance with an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of a portion a of fig. 1.
Fig. 4 is an enlarged schematic view of fig. 2 at B.
Fig. 5 is a schematic view of a part of the internal structure of the feeding mechanism in the embodiment of the present invention.
Fig. 6 is a schematic view of a part of the internal structure of the water delivery mechanism in the embodiment of the invention.
In the figure: 1. a base; 2. a centrifuge; 201. a concentrate outlet; 202. a tailing outlet; 3. a feed pipe; 4. a water delivery mechanism; 401. rolling a ball; 402. a ball; 5. a conical disk; 6. an L-shaped bracket; 7. a feeding mechanism; 701. a circular ring; 702. a cylinder; 703. a connecting rod; 704. a feed pipe; 705. a discharge port; 706. a feed tray; 707. a first ring gear; 708. a hemispherical block; 709. a guide block; 710. a lifting rod; 711. an arc-shaped strip; 712. an end plate; 713. a support spring; 714. a first magnet block; 8. a water pump; 9. a water delivery pipe; 10. a drive motor; 11. a rotating shaft; 12. a first gear; 13. a water homogenizing disc; 131. a water outlet; 14. a mounting ring; 15. homogenizing the material rod; 16. a second ring gear; 17. installing a shaft; 18. a second gear; 19. a third gear; 20. a ball bearing; 21. a connecting frame; 22. an annular plate; 23. a second magnet block.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 and fig. 6, the present embodiment provides a centrifugal type automatic concentrating machine, which includes a base 1, a centrifuge 2 is fixedly installed on the base 1, and a concentrate outlet 201 and a tailings outlet 202 are formed on a side wall of the centrifuge 2; a feeding pipe 3 is vertically and fixedly arranged on the top surface of the centrifugal machine 2, and a water delivery mechanism 4 is arranged on the feeding pipe 3; a hemispherical surface is formed at a position, close to the top surface, of the inner wall of the feeding pipe 3, the water delivery mechanism 4 comprises a plurality of rolling balls 401 which are rotatably embedded in the hemispherical surface part of the inner wall of the feeding pipe 3, and the plurality of rolling balls 401 are uniformly arranged along the circumferential direction of the feeding pipe 3; centrifuge 2 top surface fixed mounting has water pump 8, and 8 exit fixed mounting has the raceway 9 of L type at water pump 8, and raceway 9 horizontal segment runs through inlet pipe 3 lateral wall, and the vertical section of raceway 9 is in the axis coincidence state with inlet pipe 3 and installs ball 402, and raceway 9 axis runs through ball 402 centre of sphere, and ball 402 surface laminating is on the spin 401 surface, and spin 401 plays the supporting role to ball 402. The top of the vertical section of the water delivery pipe 9 is fixedly provided with a water homogenizing disc 13 coinciding with the axis of the feeding pipe 3, the water homogenizing disc 13 is communicated with the water delivery pipe 9, and the side wall of the water homogenizing disc 13 is uniformly provided with a plurality of water outlets 131 along the circumferential direction.
Water is conveyed to the water conveying pipe 9 through the water pump 8, the water in the water conveying pipe 9 enters the water homogenizing disc 13, then the water homogenizing disc 13 is filled, and the water flows out from the water outlet 131, and the water outlet 131 is uniformly distributed on the side wall of the water homogenizing disc 13, and the surface shape of the round ball 402 is regular, so that the thickness of a water layer flowing on the surface of the round ball 402 is ensured to be uniform.
A conical disc 5 is fixedly arranged at the top of the feeding pipe 3; a plurality of inverted L-shaped supports 6 are uniformly and fixedly arranged on the top surface of the centrifuge 2 around the feeding pipe 3, and a feeding mechanism 7 positioned above the water delivery mechanism 4 is arranged between the end parts of the L-shaped supports 6.
As shown in fig. 2 and 5, the feeding mechanism 7 includes a circular ring 701 fixedly installed between the ends of the plurality of L-shaped brackets 6 and coinciding with the axis of the feeding pipe 3, a cylinder 702 is rotatably installed in the circular ring 701, a plurality of balls 20 are uniformly rotatably installed on the inner circumferential surface of the circular ring 701 along the circumferential direction thereof, and the balls 20 are in rolling fit with the sidewall of the cylinder 702 to reduce the friction between the circular ring 701 and the cylinder 702 and ensure that the cylinder 702 can rotate at a constant speed. A plurality of connecting rods 703 are uniformly and fixedly arranged on the inner wall of the cylinder 702 along the circumferential direction of the cylinder, and feeding pipes 704 which are overlapped with the axis of the cylinder 702 are fixedly arranged between the end parts of the connecting rods 703; a plurality of discharge holes 705 are uniformly formed in the side wall of the feeding pipe 704 along the circumferential direction, and a feeding tray 706 which is overlapped with the axis of the feeding pipe 704 is installed at the bottom end of the feeding pipe 704; a first gear ring 707 is fixedly arranged on the outer side wall of the cylinder 702; the top surface of the centrifuge 2 is vertically and fixedly provided with a driving motor 10, the output end of the driving motor 10 is fixedly provided with a rotating shaft 11, and the rotating shaft 11 is fixedly provided with a first gear 12 engaged with the first gear ring 707. A hemispherical block 708 sleeved on the feeding pipe 704 is fixedly arranged on the top surface of the feeding tray 706; the hemispherical block 708 is positioned below the discharge port 705; the falling particles fall to the upper surface of the hemispherical block 708 through the outlet 705 and slide down the hemispherical block 708, ensuring that the particles are evenly distributed and pass between the cylinder 702 and the feed tray 706 due to the regular shape of the surface of the hemispherical block 708.
As shown in fig. 3 and 5, a plurality of guide blocks 709 are uniformly and fixedly mounted on the inner wall of the cylinder 702 along the circumferential direction, the guide blocks 709 are positioned above the feeding tray 706, a lifting rod 710 penetrating through the guide blocks 709 is vertically and slidably mounted on the guide blocks 709, an arc-shaped strip 711 attached to the inner wall of the cylinder 702 is fixedly mounted at the bottom end of the lifting rod 710, a horizontal end plate 712 is fixedly mounted at the top end of the lifting rod 710, and a support spring 713 is fixedly connected between the end plate 712 and the guide blocks 709.
As shown in fig. 2 and 3, a first magnet 714 is fixedly mounted on the top surface of the end plate 712, two connecting frames 21 are fixedly mounted on the top surface of the centrifuge 2, and an annular plate 22 coinciding with the axis of the cylinder 702 is horizontally and fixedly mounted between the two connecting frames 21; the annular plate 22 is vertically aligned with the lifting rod 710, and a plurality of second magnet blocks 23 are uniformly and fixedly mounted on the bottom surface of the annular plate 22 along the circumferential direction of the annular plate.
As shown in fig. 4 and 6, the top surface of the conical disc 5 is rotatably provided with an installation ring 14 coinciding with the axis of the feeding pipe 3, a plurality of refining rods 15 are uniformly and fixedly installed on the inner side wall of the installation ring 14 along the circumferential direction, and the refining rods 15 are parallel to the generatrix of the inner conical surface of the conical disc 5; a second gear ring 16 is fixedly installed on the outer side wall of the installation ring 14, a vertical installation shaft 17 is rotatably installed on the top surface of the centrifuge 2, a second gear 18 meshed with the second gear ring 16 is fixedly installed on the installation shaft 17, and a third gear 19 meshed with the second gear 18 is fixedly installed on the rotating shaft 11; when the rotating shaft 11 rotates, the third gear 19 is driven to rotate, so that the second gear 18, the mounting shaft 17, the second gear ring 16, the mounting ring 14 and the refining rod 15 are driven to synchronously rotate; when the mounting ring 14 drives the material homogenizing rod 15 to rotate, the material homogenizing rod 15 is used for homogenizing ore particles on the inner conical surface, namely the upper surface, of the conical disc 5, and the uniformity of the thickness of the ore particles is further ensured.
The rotating shaft 11 is driven to rotate by the driving motor 10, so that the first gear 12, the first gear ring 707, the cylinder 702, the connecting rod 703, the feeding pipe 704 and the feeding disc 706 are driven to synchronously rotate; ore particles are conveyed into the feeding pipe 704, the ore particles flow out through the discharge hole 705, fall to the upper surface of the hemispherical block 708 and slide downwards along the hemispherical block 708, and move outwards under the action of centrifugal force until the ore particles are separated from the feeding disc 706, impact the inner wall of the cylinder 702 and pass through an annular gap between the cylinder 702 and the feeding disc 706; then, the ore particles fall to the upper surface of the conical disc 5 under the action of gravity and slide downwards along the upper surface of the conical disc 5 until contacting with water left on the surface of the round ball 402 to be mixed into ore pulp; because the cylinder 702 and the feeding disc 706 are in a rotating state, the ore particles falling to the upper surface of the conical disc 5 can be ensured to be uniformly distributed, namely the thickness of the ore particles flowing downwards along the upper surface of the conical disc 5 is uniform; the slurry passes through the gap between the round ball 402 and the feeding pipe 3 and then flows down along the inner wall of the feeding pipe 3 to the interior of the centrifuge 2 for gravity separation.
The guide block 709, the lifting rod 710, the arc-shaped strip 711, the end plate 712, the supporting spring 713 and the first magnet block 714 are driven to synchronously rotate in the rotation process of the cylinder 702, mutual repulsion force is periodically generated between the first magnet block 714 and the second magnet block 23, and the mutual repulsion force and the elastic force of the supporting spring 713 act together to enable the first magnet block 714, the end plate 712, the lifting rod 710 and the arc-shaped strip 711 to periodically move up and down, so that the annular gap between the cylinder 702 and the feeding disc 706 is dredged through the arc-shaped strip 711, and the condition that the annular gap is blocked by mineral particles is avoided.
The operation of the centrifugal automatic concentrator in this embodiment is as follows: water is conveyed to the water conveying pipe 9 through the water pump 8, the water of the water conveying pipe 9 enters the water homogenizing disc 13, then the water homogenizing disc 13 is filled, the water flows out from the water outlet 131, and the flowing water falls to the surface of the round ball 402 and flows downwards along the surface of the round ball 402.
The rotating shaft 11 is driven to rotate by the driving motor 10, so that the first gear 12, the first gear ring 707, the cylinder 702, the connecting rod 703, the feeding pipe 704 and the feeding disc 706 are driven to synchronously rotate; ore particles are conveyed into the feeding pipe 704, the ore particles flow out through the discharge hole 705, fall to the upper surface of the hemispherical block 708 and slide downwards along the hemispherical block 708, and move outwards under the action of centrifugal force until the ore particles are separated from the feeding disc 706, impact the inner wall of the cylinder 702 and pass through an annular gap between the cylinder 702 and the feeding disc 706; then, the ore particles fall to the upper surface of the conical disc 5 under the action of gravity and slide downwards along the upper surface of the conical disc 5 until contacting with water left on the surface of the round ball 402 to be mixed into ore pulp; in the process, the rotating shaft 11 drives the third gear 19 to rotate, so as to drive the second gear 18, the mounting shaft 17, the second gear ring 16, the mounting ring 14 and the refining rod 15 to synchronously rotate; when the mounting ring 14 drives the material homogenizing rod 15 to rotate, the material homogenizing rod 15 performs uniform spreading treatment on ore particles on the inner conical surface, namely the upper surface, of the conical disc 5; the guide block 709, the lifting rod 710, the arc-shaped strip 711, the end plate 712, the supporting spring 713 and the first magnet block 714 are driven to synchronously rotate in the rotation process of the cylinder 702, mutual repulsion force is periodically generated between the first magnet block 714 and the second magnet block 23, and the mutual repulsion force and the elastic force of the supporting spring 713 act together to enable the first magnet block 714, the end plate 712, the lifting rod 710 and the arc-shaped strip 711 to periodically move up and down, so that the annular gap between the cylinder 702 and the feeding disc 706 is dredged through the arc-shaped strip 711, and the condition that the annular gap is blocked by mineral particles is avoided.
The ore pulp passes through the gap between the round ball 402 and the feeding pipe 3 and then flows downwards along the inner wall of the feeding pipe 3 to the interior of the centrifuge 2 for gravity separation; the reselected concentrate flows out from the concentrate outlet 201, and the tailings flow out from the tailings outlet 202.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a centrifugal automatic concentrator, includes base (1), and fixed mounting has centrifuge (2) on base (1), has seted up concentrate export (201) and tailings export (202) on centrifuge (2) lateral wall, its characterized in that: a feeding pipe (3) is vertically and fixedly installed on the top surface of the centrifugal machine (2), and a water delivery mechanism (4) is installed on the feeding pipe (3); a conical disc (5) is fixedly arranged at the top of the feeding pipe (3); a plurality of inverted L-shaped brackets (6) are uniformly and fixedly arranged on the top surface of the centrifugal machine (2) around the feeding pipe (3), and a feeding mechanism (7) positioned above the water delivery mechanism (4) is arranged between the end parts of the L-shaped brackets (6);
the position, close to the top surface, of the inner wall of the feeding pipe (3) forms a hemispherical surface, the water delivery mechanism (4) comprises a plurality of rolling balls (401) which are rotatably embedded in the hemispherical part of the inner wall of the feeding pipe (3), and the plurality of rolling balls (401) are uniformly arranged along the circumferential direction of the feeding pipe (3); a water pump (8) is fixedly installed on the top surface of the centrifuge (2), an L-shaped water delivery pipe (9) is fixedly installed at the outlet of the water pump (8), the horizontal section of the water delivery pipe (9) penetrates through the side wall of the feeding pipe (3), the vertical section of the water delivery pipe (9) and the feeding pipe (3) are in an axis coincidence state and are provided with a round ball (402), the axis of the water delivery pipe (9) penetrates through the center of the round ball (402), and the surface of the round ball (402) is attached to the surface of the rolling ball (401);
the feeding mechanism (7) comprises a circular ring (701) which is fixedly arranged between the end parts of the L-shaped supports (6) and is overlapped with the axis of the feeding pipe (3), a cylinder (702) is rotatably arranged in the circular ring (701), a plurality of connecting rods (703) are uniformly and fixedly arranged on the inner wall of the cylinder (702) along the circumferential direction of the cylinder, and a feeding pipe (704) which is overlapped with the axis of the cylinder (702) is fixedly arranged between the end parts of the connecting rods (703); a plurality of discharge holes (705) are uniformly formed in the side wall of the feeding pipe (704) along the circumferential direction of the feeding pipe, and a feeding tray (706) which is overlapped with the axis of the feeding pipe (704) is installed at the bottom end of the feeding pipe (704); a first gear ring (707) is fixedly arranged on the outer side wall of the cylinder (702); a driving motor (10) is vertically and fixedly installed on the top surface of the centrifugal machine (2), a rotating shaft (11) is fixedly installed at the output end of the driving motor (10), and a first gear (12) meshed with the first gear ring (707) is fixedly installed on the rotating shaft (11).
2. A centrifugal type automated concentrator as claimed in claim 1, wherein: the top of the vertical section of the water delivery pipe (9) is fixedly provided with a water homogenizing disc (13) which is coincident with the axis of the feeding pipe (3), the water homogenizing disc (13) is communicated with the water delivery pipe (9), and the side wall of the water homogenizing disc (13) is uniformly provided with a plurality of water outlets (131) along the circumferential direction.
3. A centrifugal type automated concentrator as claimed in claim 1, wherein: the top surface of the conical disc (5) is rotatably provided with a mounting ring (14) which coincides with the axis of the feeding pipe (3), a plurality of homogenizing rods (15) are uniformly and fixedly mounted on the inner side wall of the mounting ring (14) along the circumferential direction of the mounting ring, and the homogenizing rods (15) are parallel to the inner conical surface bus of the conical disc (5).
4. A centrifugal type automated concentrator as claimed in claim 3, wherein: the centrifugal centrifuge is characterized in that a second gear ring (16) is fixedly mounted on the outer side wall of the mounting ring (14), a vertical mounting shaft (17) is rotatably mounted on the top surface of the centrifuge (2), a second gear (18) meshed with the second gear ring (16) is fixedly mounted on the mounting shaft (17), and a third gear (19) meshed with the second gear (18) is fixedly mounted on the rotating shaft (11).
5. A centrifugal type automated concentrator as claimed in claim 1, wherein: a plurality of balls (20) are uniformly and rotatably arranged on the inner circumferential surface of the circular ring (701) along the circumferential direction of the circular ring, and the balls (20) are in rolling fit with the side wall of the cylinder (702).
6. A centrifugal type automated concentrator as claimed in claim 1, wherein: a hemispherical block (708) sleeved on the feeding pipe (704) is fixedly arranged on the top surface of the feeding disc (706); the hemispherical block (708) is positioned below the discharge hole (705).
7. A centrifugal type automated concentrator as claimed in claim 1, wherein: the cylinder (702) inner wall is last along its even fixed mounting in circumference has a plurality of guide block (709), vertical slidable mounting has lifter (710) that runs through guide block (709) on guide block (709) and the guide block (706) be located pay-off dish (706) top, lifter (710) bottom fixed mounting has arc strip (711) with cylinder (702) inner wall laminating, lifter (710) top fixed mounting has horizontally end plate (712), fixedly connected with supporting spring (713) between end plate (712) and guide block (709).
8. A centrifugal type automated concentrator as claimed in claim 7, wherein: a first magnet block (714) is fixedly mounted on the top surface of the end plate (712), two connecting frames (21) are fixedly mounted on the top surface of the centrifuge (2), and an annular plate (22) which is overlapped with the axis of the cylinder (702) is horizontally and fixedly mounted between the two connecting frames (21); the annular plate (22) is aligned with the lifting rod (710) in the vertical direction, and a plurality of second magnet blocks (23) are uniformly and fixedly mounted on the bottom surface of the annular plate (22) along the circumferential direction of the annular plate.
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| 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 |
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