Centrifugal ore dressing machine for ore dressing

Abstract

The utility model relates to a centrifugal separator, in particular to a centrifugal separator for mineral separation, which belongs to the technical field of mineral aggregate screening and comprises an operation support frame, a centrifugal driving structure is designed at the upper end of the operation support frame, a collecting outer barrel is fixedly mounted in the operation support frame, and a density screening barrel is rotatably mounted in the collecting outer barrel. A diameter screening barrel is arranged in the density screening barrel, a spiral screening rod is installed in the diameter screening barrel, the spiral screening rod is adopted to conduct multiple screening treatment on particles of different sizes in raw materials, small particles are conveyed to the outside through the spiral screening rod, and large-particle mineral aggregates enter the density screening barrel under the action of centrifugal force; and due to different densities and masses of the mineral aggregates, the mineral aggregates respectively fall into the diameter screening barrel and the collecting outer barrel under the action of centrifugal force, so that screening treatment of the mineral aggregates with different densities is realized, and screening of the mineral aggregates under complex conditions by the device is improved.

Description

Technical Field

[0001] The utility model relates to a centrifugal concentrator, in particular to a centrifugal concentrator for ore dressing, belonging to the technical field of ore screening. Background Art

[0002] A concentrator is a mechanical device for automatic ore dressing, and its working principle is mainly to separate useful minerals and useless minerals in ore through processes such as grinding and flotation. A centrifugal concentrator is a device for gravity separation of ore particle groups in a centrifugal force field. Its origin can be traced back to 1888. At that time, the Hunt concentrator obtained a patent as the world's earliest industrial centrifugal concentrator and was used in gold mines in California, USA.

[0003] There is a prior continuous discharging type centrifugal concentrator with the application number CN201710566471.2, belonging to the technical field of centrifugal separation. The centrifugal concentrator includes a driving and rotating system, a water supply system, a gas supply system, a separation system and a discharging system. The driving and rotating system forms a centrifugal force field. The water supply system is used to provide backflush water. The gas supply system controls the opening and closing of the discharge valve of the centrifugal concentrator. The separation system is the core of the centrifugal concentrator and consists of an enrichment cone and a discharge valve. The discharge valve is fixed on the enrichment cone through a discharge valve mounting hole, and the discharge valve is used to control the discharge of heavy sand in the enrichment tank. The discharging system is used to discharge tailings and heavy sand. This centrifugal concentrator has the advantages of large processing capacity and adjustable concentrate production rate. It adopts a circular cross-section annular air cavity, with the advantages of simple structure, easy processing and manufacturing, convenient maintenance, low failure rate, and not easy to leak air and water.

[0004] The above device has a large processing capacity, a simple structure, low usage cost, and good separation effect for tailings and heavy sand. However, its separation effect for ore materials with various sizes and densities is not ideal and flexible enough.

[0005] In view of this, the present utility model is specifically proposed. Content of the Utility Model

[0006] The purpose of the present utility model is to provide a centrifugal concentrator for ore dressing in order to solve the above problems, which has the ability to quickly process complex ore material conditions.

[0007] The present utility model realizes the above purpose through the following technical solutions. A centrifugal concentrator for ore dressing includes an operation support frame. An upper end of the operation support frame is designed with a centrifugal drive structure. A collection outer cylinder is fixedly installed inside the operation support frame. A density screening cylinder is rotatably installed inside the collection outer cylinder. A diameter screening cylinder is arranged inside the density screening cylinder. A spiral screening rod is installed inside the diameter screening cylinder.

[0008] Furthermore, in order to improve the application effect of the device, a positioning installation hole is provided at the center of the operation support frame, the collection outer cylinder is fixedly installed inside the positioning installation hole, and an output support funnel is fixedly installed at the lower end of the collection outer cylinder.

[0009] Furthermore, in order to improve the collection efficiency of raw materials, centrifugal discharge holes are evenly provided on the outer side of the density screening cylinder, a centralized output funnel is designed at the lower end of the density screening cylinder, and gravity output holes are evenly provided on the outer side of the centralized output funnel.

[0010] Furthermore, in order to improve the use effect of the device, a positioning installation frame is fixedly installed inside the centralized collection funnel, a rotating sleeve is fixedly welded to the lower surface of the positioning installation frame, a stable support frame is fixedly installed inside the output support funnel, a rotating support shaft is provided at the center of the stable support frame, and the rotating support shaft is rotatably clamped with the rotating sleeve.

[0011] Furthermore, in order to drive the internal structure of the device to rotate, the centrifugal drive structure includes a stable isolation bearing, a drive gear ring and a drive motor. The stable isolation bearing is fixedly installed inside the collection outer cylinder, the drive gear ring is sleeved on the outer side of the density screening cylinder, and the drive motor is installed at a corner of the operation support frame.

[0012] Furthermore, in order to drive the density screening cylinder to rotate, the density screening cylinder is embedded inside the stable isolation bearing, the drive gear ring is installed at the lower end of the stable isolation bearing, and the drive gear ring is fixedly connected to the density screening cylinder.

[0013] Furthermore, in order to provide power for the operation of the device, a drive installation groove is provided at a corner of the operation support frame, the drive motor is embedded inside the drive installation groove, a drive gear is fixedly installed at the output end of the drive motor, a drive connection hole is provided on the outer side of the collection outer cylinder, and the drive gear passes through the drive connection hole and meshes with the drive gear ring.

[0014] Furthermore, in order to improve the screening effect of ore, an aggregate funnel is fixedly installed at the upper end of the diameter screening cylinder, the upper end of the aggregate funnel is fixedly connected to the density screening cylinder, secondary screening holes are evenly provided on the outer side of the diameter screening cylinder, a spiral screening rod is fixedly installed on the upper surface of the positioning installation frame, and fine particle screening holes are evenly provided inside the spiral screening rod.

[0015] Technical effects and advantages of the present utility model: By adopting a spiral screening rod, multiple screening processes are carried out on particles of different sizes in the raw materials, enabling small particles to be conveyed to the outside through the spiral screening rod, and large particle ore materials to enter the interior of the density screening cylinder under the action of centrifugal force. And due to their different densities and masses, they respectively fall into the interior of the diameter screening cylinder and the collection outer cylinder under the action of centrifugal force, thereby realizing the screening process for ore materials of different densities and improving the screening of the device for ore materials in complex conditions. Brief Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of the present utility model;

[0017] Figure 2 It is a schematic side-sectional structural diagram of the present utility model;

[0018] Figure 3 It is a schematic structural diagram of the operation support frame part of the present utility model;

[0019] Figure 4 It is a schematic structural diagram of the density screening cylinder part of the present utility model;

[0020] Figure 5 It is a schematic structural diagram of the diameter screening cylinder part of the present utility model;

[0021] Figure 6 It is a schematic structural diagram of the spiral screening rod part of the present utility model;

[0022] In the figure: 1. Operation support frame; 2. Centrifugal drive structure; 201. Stable isolation bearing; 202. Driving gear ring; 203. Driving motor; 3. Collection outer cylinder; 4. Density screening cylinder; 5. Diameter screening cylinder; 6. Spiral screening rod; 7. Positioning mounting frame; 8. Stable support frame. Detailed Description of the Preferred Embodiment

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-6 As shown, a centrifugal ore dressing machine for ore dressing includes an operation support frame 1. A positioning installation hole is opened at the central position of the operation support frame 1. The collection outer cylinder 3 is fixedly installed inside the positioning installation hole to enable the device to operate stably. An output support funnel is fixedly installed at the lower end of the collection outer cylinder 3 to improve the output and collection effect of the raw materials.

[0025] The upper end of the operation support frame 1 is designed with a centrifugal drive structure 2. The centrifugal drive structure 2 includes a stable isolation bearing 201, a drive gear ring 202 and a drive motor 203. The stable isolation bearing 201 is fixedly installed inside the collection outer cylinder 3 to improve the stability of the device operation. The drive gear ring 202 is sleeved outside the density screening cylinder 4. The drive motor 203 is installed at a corner of the operation support frame 1 to drive the drive gear ring 202 to rotate. The density screening cylinder 4 is embedded in the stable isolation bearing 201. The drive gear ring 202 is installed at the lower end of the stable isolation bearing 201, and the drive gear ring 202 and the density screening cylinder 4 are fixedly connected to each other. There is a drive installation groove at a corner of the operation support frame 1. The drive motor 203 is embedded in the drive installation groove. A drive gear is fixedly installed at the output end of the drive motor 203. There is a drive connection hole on the outside of the collection outer cylinder 3. The drive gear passes through the drive connection hole and meshes with the drive gear ring 202 to drive the density screening cylinder 4 to rotate.

[0026] The collection outer cylinder 3 is fixedly installed inside the operation support frame 1. The density screening cylinder 4 is rotatably installed inside the collection outer cylinder 3. Centrifugal discharge holes are evenly opened on the outside of the density screening cylinder 4 to separate ore materials with similar sizes but different densities. The lower end of the density screening cylinder 4 is designed with a centralized output funnel. Gravity output holes are evenly opened on the outside of the centralized output funnel to facilitate the output of different materials. A positioning installation frame 7 is fixedly installed inside the centralized collection funnel. A rotating sleeve is fixedly welded to the lower surface of the positioning installation frame 7. A stable support frame 8 is fixedly installed inside the output support funnel. A rotating support shaft is arranged at the center of the stable support frame 8. The rotating support shaft and the rotating sleeve are rotatably clamped with each other to improve the stability of the density screening cylinder 4 during rotation.

[0027] A diameter screening cylinder 5 is arranged inside the density screening cylinder 4. A spiral screening rod 6 is installed inside the diameter screening cylinder 5. An aggregate funnel is fixedly installed at the upper end of the diameter screening cylinder 5. The upper end of the aggregate funnel is fixedly connected to the density screening cylinder 4 to improve the filling effect of the ore materials. Secondary screening holes are evenly opened on the outside of the diameter screening cylinder 5. The spiral screening rod 6 is fixedly installed on the upper surface of the positioning installation frame 7. Fine particle screening holes are evenly opened inside the spiral screening rod 6 to screen the size of the ore materials.

[0028] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, in any regard, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be encompassed within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

[0029] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A centrifugal concentrator for ore dressing, comprising an operation support frame (1), characterized in that: The upper end of the operating support frame (1) is provided with a centrifugal driving structure (2); a collecting outer cylinder (3) is fixedly installed inside the operating support frame (1); a density screening cylinder (4) is rotatably installed inside the collecting outer cylinder (3); a diameter screening cylinder (5) is arranged inside the density screening cylinder (4); and a spiral screening rod (6) is installed inside the diameter screening cylinder (5).

2. The centrifugal concentrator for ore dressing according to claim 1, wherein: A positioning installation hole is provided at the center of the operating support frame (1), the collecting outer cylinder (3) is fixedly installed inside the positioning installation hole, and an output support funnel is fixedly installed at the lower end of the collecting outer cylinder (3).

3. The centrifugal concentrator for ore dressing according to claim 2, characterized in that: The outer side of the density screening cylinder (4) is evenly provided with centrifugal discharge holes, and the lower end of the density screening cylinder (4) is designed with a centralized output funnel, and the outer side of the centralized output funnel is evenly provided with gravity output holes.

4. The centrifugal concentrator for ore dressing according to claim 3, characterized in that: A positioning mounting frame (7) is fixedly installed inside the centralized output funnel, a rotating sleeve is fixedly welded to the lower surface of the positioning mounting frame (7), a stabilizing support frame (8) is fixedly installed inside the output support funnel, a rotating support shaft is provided at the center position of the stabilizing support frame (8), and the rotating support shaft and the rotating sleeve are rotatably engaged with each other.

5. A centrifugal concentrator for ore dressing according to claim 1, characterized in that: The centrifugal drive structure (2) comprises a stable isolation bearing (201), a driving gear ring (202) and a driving motor (203); the stable isolation bearing (201) is fixedly installed inside the collecting outer cylinder (3); the driving gear ring (202) is sleeved on the outside of the density screening cylinder (4); and the driving motor (203) is installed at a corner of the operating support frame (1).

6. The centrifugal concentrator for ore dressing according to claim 5, wherein: The density screening cylinder (4) is embedded and installed inside the stable isolation bearing (201), the driving gear ring (202) is installed at the lower end of the stable isolation bearing (201), and the driving gear ring (202) and the density screening cylinder (4) are fixedly connected to each other.

7. A centrifugal concentrator for ore dressing according to claim 6, wherein: A driving installation groove is formed at one corner of the operating support frame (1), and the driving motor (203) is embedded in the driving installation groove. A driving gear is fixedly mounted on the output end of the driving motor (203). A driving connection hole is formed at the outer side of the collecting outer cylinder (3), and the driving gear passes through the driving connection hole and meshes with the driving gear ring (202).

8. The centrifugal concentrator for ore dressing according to claim 4, characterized in that: A collection funnel is fixedly mounted on the upper end of the diameter screening cylinder (5), and the upper end of the collection funnel is fixedly connected to the density screening cylinder (4). Secondary screening holes are evenly arranged on the outer side of the diameter screening cylinder (5). The spiral screening rod (6) is fixedly mounted on the upper surface of the positioning mounting frame (7), and fine particle screening holes are evenly arranged inside the spiral screening rod (6).

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