A horizontal separator with two end support shafts and axial feeding

Abstract

The application discloses a horizontal concentrator capable of being large-sized and feeding through two-end supporting shaft center, which comprises a rack, half tiles are installed on the upper part of the two sides of the rack, hollow shafts are installed in the half tiles, and rotating hubs are rotationally connected to the surfaces of the hollow shafts; the rack, the half tiles, the hollow shafts, bearings, ports, the rotating hubs, a machine shell, a mineral receiving groove, a mineral slurry and clean water conveying assembly and a driving assembly are arranged, the horizontal concentrator has the advantages that operation is more stable and reliable, maintenance is convenient, the overall performance is excellent, the horizontal concentrator occupies small floor space and is convenient to install, mobile operation can be realized, production efficiency is high, comprehensive cost is low, large-scale and automatic control can be realized, and high-efficiency recovery of concentrate is achieved; the driving assembly can be used for driving operation, the mineral slurry and clean water conveying assembly can be used for conveying and spraying of the mineral slurry and the clean water, and the machine shell, the half tiles, the hollow shafts, the bearings and the ports can be used for double-end double support, so that the stability of operation is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of mineral gravity separation mechanical equipment, and in particular to a large-scale horizontal ore dressing machine with two-end support shaft feeding. Background Art

[0002] Especially used for nonferrous metals, ferrous metals and precious metal ores, fine particles, micro-fine particle separation centrifugal concentrator is also commonly used to recover some lean ores, tailings, smelting slag, smelting chimney ash and other trace precious metals and rare metals.

[0003] At present, the traditional centrifugal concentrator in the mineral processing industry at home and abroad: horizontal Slon type centrifugal concentrator, its disadvantages are: the mining equipment has a large output, the equipment needs to be large-scale, one end is single-supported, and when the hub diameter is large enough to a certain size, the running stability of the hub will be affected, so the equipment cannot be large-scaled.

[0004] In response to the above technical problems, a new horizontal centrifugal concentrator is disclosed in Publication No. CN103394405A. However, based on the original conventional horizontal centrifugal concentrator, the concentrator merely extends the support point on the end base of the rotor hub and moves the support point closer to the vertical center of the rotor hub length, but does not solve the problem of large-scale equipment.

[0005] For example, announcement number CN111229462A discloses an integrated metal mineral separator, which is equipped with an induction magnetic field, refrigeration, high-pressure steam and other devices. It also uses a high thermal conductivity lubricant to lubricate the dynamic mating surface between the annular refrigeration tube assembly and the outer ring of the rotating hub. Its structure is complex, the process flow has many steps, and the large-area dynamic mating lubrication also brings difficulties to the large-scale equipment, making it unsuitable for use in large-scale beneficiation plants.

[0006] The above patent still has the following problems: it is impossible to realize large-scale and automated control of efficient concentrate recovery, and it is also impossible to make the hub in the existing mechanical equipment run smoothly. Summary of the Invention

[0007] The purpose of the present invention is to provide a horizontal centrifugal ore separator with a compact structure, more stable and reliable operation of the hub, easy maintenance, excellent overall performance, small footprint and easy installation, which can realize mobile operation, high production efficiency, low overall cost, large-scale and automated control, and efficient recovery of concentrate, so as to solve the problems raised in the above background technology.

[0008] In order to achieve the above object, the present application provides the following technical scheme: a horizontal concentrator capable of large-scale and feeding through two-end support shaft, comprising a rack, half tiles are installed on the upper part of both sides of the rack, a hollow shaft is installed in the half tile, a rotating hub is connected to the surface of the hollow shaft, ports are installed on both ends of the rotating hub, bearing sleeves are installed in the ports, bearings are installed in the bearing sleeves, bearing end covers are installed on the outer end of the bearings, ports are formed on both ends of the rotating hub, machine housings are installed on the top and bottom of the outer side of the rotating hub, ore slurry delivery assemblies are arranged in the hollow shaft, and a driving assembly is arranged on the lower part of one end of the hollow shaft.

[0009] Preferably, the bottom of the machine housing is welded with the rack, and the two groups of machine housings are connected through flanges.

[0010] Preferably, the bottom of the ore slurry delivery assembly comprises a water delivery module and a slurry delivery module, the water delivery module is arranged in the hollow shaft, and the slurry delivery module is arranged in the hollow shaft.

[0011] Preferably, the water delivery module comprises a first clean water pipeline and a clean water spray head, the first clean water pipeline is installed on the top and bottom of the inner cavity of the hollow shaft, and the clean water spray head is communicated with the water outlet end of the first clean water pipeline.

[0012] Preferably, the slurry delivery module comprises a slurry pipeline and a slurry spray head, the slurry pipeline is installed on the middle part of the inner cavity of the hollow shaft, and the slurry spray head is communicated with the slurry outlet end of the slurry pipeline.

[0013] Preferably, the driving assembly comprises a power module and a transmission module, the power module is arranged on one side of the rack, and the transmission module is arranged on one side of the inner cavity of the rack.

[0014] Preferably, the power module comprises a motor and a driving wheel, the motor is installed on one side of the rack, and the driving wheel is connected to the output shaft of the motor.

[0015] Preferably, the transmission module comprises a driven wheel and a belt, the driven wheel is installed on one end of the surface of the hollow shaft, and the belt is sleeved on the surface of the driven wheel and the driving wheel.

[0016] Preferably, a frequency conversion motor is installed on the upper part of the other side of the rack, an upper end cover flange is arranged on the upper part of one end of the rotating hub, and lower end cover flanges are arranged on the lower part of both ends of the rotating hub.

[0017] Preferably, a frequency conversion motor is installed on the upper part of the other side of the rack, an upper end cover flange is arranged on the upper part of one end of the rotating hub, and lower end cover flanges are arranged on the lower part of both ends of the rotating hub.

[0018] The upper part of the other end of the rotating hub is provided with a side end flange, the other end of the rotating hub is provided with a first end cover flange, and one end of the rotating hub is provided with a second end cover flange.

[0019] The upper part of one end of the first end cover flange is provided with an upper shell flange, and the lower part of one end of the first end cover flange is provided with a lower shell flange.

[0020] Compared with the prior art, the present application has the following advantages:

[0021] The present application has the advantages of stable and reliable operation, convenient maintenance, excellent overall performance, small occupied space, easy installation, mobile operation, high production efficiency, low comprehensive cost, large-scale and automatic control, and efficient recovery of concentrate. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 The present application has the advantages of stable and reliable operation, convenient maintenance, excellent overall performance, small occupied space, easy installation, mobile operation, high production efficiency, low comprehensive cost, large-scale and automatic control, and efficient recovery of concentrate.

[0023] Fig. 2 The present application has the advantages of stable and reliable operation, convenient maintenance, excellent overall performance, small occupied space, easy installation, mobile operation, high production efficiency, low comprehensive cost, large-scale and automatic control, and efficient recovery of concentrate.

[0024] Fig. 3 The present application has the advantages of stable and reliable operation, convenient maintenance, excellent overall performance, small occupied space, easy installation, mobile operation, high production efficiency, low comprehensive cost, large-scale and automatic control, and efficient recovery of concentrate.

[0025] Fig. 4 The present application has the advantages of stable and reliable operation, convenient maintenance, excellent overall performance, small occupied space, easy installation, mobile operation, high production efficiency, low comprehensive cost, large-scale and automatic control, and efficient recovery of concentrate.

[0026] In the figure: 1, rack; 2, half tile; 3, hollow shaft; 4, bearing; 5, port; 501, bearing seat; 502, bearing end cover; 6, rotating hub; 7, machine shell; 8, motor; 9, first water pipeline; 10, slurry pipeline; 11, water spray head; 12, frequency conversion motor; 13, discharge port pipe; 14, ore receiving groove; 15, driving wheel; 16, driven wheel; 17, lower end cover flange; 18, upper end cover flange; 19, side end flange; 20, first end cover flange; 21, second end cover flange; 22, upper shell flange; 23, lower shell flange. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0028] Please refer to Figs. 1-4 The present application provides a horizontal concentrator capable of large-scale production, which can feed from both ends of the supporting shaft, comprising a rack 1, half tiles 2 are installed on the upper part of both sides of the rack 1, hollow shafts 3 are installed in the half tiles 2, rotating hubs 6 are rotatably connected to the surfaces of the hollow shafts 3, ports 5 are installed at both ends of the rotating hubs 6, bearing sleeve seats 501 are installed in the ports 5, bearings 4 are installed in the bearing sleeve seats 501, bearing end covers 502 are installed at the outer ends of the bearings 4, ports 5 are formed at both ends of the rotating hubs 6, machine housings 7 are installed on the top and bottom of the outer side of the rotating hubs 6, ore slurry and water conveying assemblies are arranged in the hollow shafts 3, and driving assemblies are arranged at the lower part of one end of the hollow shafts 3.

[0029] The hollow shafts 3 are used to support the rotating hubs 6, and the half tiles 2 cooperate with the bearing sleeve seats 501 and the bearings 4 in the ports 5 to complete the effect of double supporting points at both ends, so as to ensure the stability of operation, the rotating hubs 6 can be rotated for ore dressing operation, the machine housings 7 are used to shield and assist in discharging, the bearing end covers 502 are designed as a conical shape, a plurality of weight reduction holes and discharge waist holes are formed on the large end conical surface according to equal division, and the driving assemblies are used to complete the rotating and ore dressing operation;

[0030] The rotating hubs 6 are truncated conical cylinders, the slope of the cylinder is generally 2-5 degrees, the cylinder is made of high-quality carbon structural steel, the inner wall of the cavity is coated with high-performance wear-resistant polyurethane material, and the cavity wall is designed and processed into a concentric and coaxial sawtooth-shaped storage groove with a width of 10-15 mm and a height of 5 mm, the geometric shape of the cross section of the storage groove is a sawtooth shape with a short straight angle side to a large end and an inclined side to a small end.

[0031] The ore slurry and water conveying assembly can be used to convey and spray ore slurry and water;

[0032] The driving assembly is used to rotate and drive the equipment during the rotating and ore dressing operation of the equipment.

[0033] In addition, the bottom of the machine housing 7 is welded to the rack 1, and the two sets of machine housings 7 are connected through flanges, so that the machine housing 7 can be easily installed.

[0034] In addition, the bottom of the ore receiving groove 14 is provided with a discharge pipe 13, and the four sides of the bottom of the frame 1 are provided with supports, and the discharge pipe 13 cooperates with the ore receiving groove 14 to facilitate the discharge operation.

[0035] Further, the ore pulp and water conveying assembly comprises a water conveying module and a pulp conveying module, the water conveying module is arranged in the hollow shaft 3, and the pulp conveying module is arranged in the hollow shaft 3.

[0036] The water conveying module comprises a first water pipe 9 and a water nozzle 11, the first water pipe 9 is arranged at the top and bottom of the inner cavity of the hollow shaft 3, and the water nozzle 11 is connected to the water outlet end of the first water pipe 9.

[0037] The water nozzle 11 is a ring-shaped tubular strip-shaped spray nozzle, and has two conversion modes, one is a straight waterfall mode and the other is a fan waterfall mode.

[0038] The pulp conveying module comprises a pulp pipe 10 and a pulp nozzle, the pulp pipe 10 is arranged in the middle of the inner cavity of the hollow shaft 3, and the pulp nozzle is connected to the pulp outlet end of the pulp pipe 10.

[0039] The pulp nozzle can be a fan-shaped strip-shaped spray nozzle according to actual needs.

[0040] Further, the driving assembly comprises a power module and a transmission module, the power module is arranged on one side of the frame 1, and the transmission module is arranged on one side of the inner cavity of the frame 1.

[0041] The power module comprises an electric motor 8 and a driving wheel 15, the electric motor 8 is arranged on one side of the frame 1, and the driving wheel 15 is connected to the output shaft of the electric motor 8.

[0042] The transmission module comprises a driven wheel 16 and a belt, the driven wheel 16 is arranged on one end of the surface of the hollow shaft 3, and the belt is sleeved on the surfaces of the driven wheel 16 and the driving wheel 15.

[0043] During operation, the motor 8 drives the driving wheel 15 to rotate, and when the driving wheel 15 rotates, the belt drives the driving wheel 15 to rotate together, and when the driven wheel 16 rotates, the second end cover flange 21 is driven to rotate. Since the hollow shaft 3 is a fixed shaft and the hollow shaft 3 and the rotating hub 6 are rotatably connected, the rotating hub 6 can rotate along with the second end cover flange 21 when it rotates, thereby completing the material selection operation;

[0044] When delivering clean water, two groups of first clean water pipes 9 deliver the clean water, and then several groups of clean water nozzles 11 and the clean water nozzles 11 in two different states perform the water spraying operation;

[0045] When the slurry is being delivered, the slurry pipe 10 can be used for transportation, and then the slurry nozzle can directly spray the slurry out. When the slurry is being transported, the frequency conversion motor 12 pushes the spiral feeder through the inner cavity of the hollow shaft 3 into the inner cavity of the hub 6.

[0046] In addition, a variable frequency motor 12 is installed on the upper part of the other side of the frame 1, an upper end cover flange 18 is provided on the upper part of one end of the rotating hub 6, and lower end cover flanges 17 are provided on the lower parts of both ends of the rotating hub 6. The variable frequency motor 12 can be used to drive the screw rod to assist the slurry pipe 10 in spiral feeding.

[0047] A side end flange 19 is provided on the upper portion of the other end of the rotating hub 6, a first end cover flange 20 is provided on the other end of the rotating hub 6, and a second end cover flange 21 is provided on one end of the rotating hub 6. The side end flange 19 and the first end cover flange 20 are used in conjunction with the upper shell flange 22 and the lower shell flange 23 to assist in the installation of the rotating hub 6 and to assist in its rotation.

[0048] An upper shell flange 22 is provided at the upper portion of one end of the first end cover flange 20, and a lower shell flange 23 is provided at the lower portion of one end of the first end cover flange 20. The two sets of upper shell flanges 22 and lower shell flanges 23 are easy to disassemble and connect.

[0049] The horizontal centrifugal concentrator mainly adopts the two-end support axis feeding. The operation control of the ore dressing process includes the speed of the hub 6, the supply and pressure of slurry, clean water, and flushing water, flow, and the opening and closing of each valve are all controlled by the integrated control cabinet, and can also be directly controlled remotely by mobile phone;

[0050] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A large-scale horizontal concentrator with two-end support and shaft feeding, characterized by: The invention comprises a frame (1), wherein half-shells (2) are installed on the upper parts of both sides of the frame (1), a hollow shaft (3) is installed inside the half-shell (2), a rotating hub (6) is rotatably connected to the surface of the hollow shaft (3), ports (5) are installed at both ends of the rotating hub (6), a bearing sleeve (501) is installed inside the port (5), a bearing (4) is installed inside the bearing sleeve (501), a bearing end cover (502) is installed at the outer end of the bearing (4), ports (5) are opened at both ends of the rotating hub (6), and the The top and bottom of the outer side of the hub (6) are both provided with a housing (7), and both ends of the housing (7) are provided with an ore receiving trough (14). The interior of the hollow shaft (3) is provided with a slurry clean water conveying component, and the lower part of one end of the hollow shaft (3) is provided with a driving component. One end of the hub (6) is provided with a second end cover flange (21), and the driving component drives the second end cover flange (21) to rotate. The hollow shaft (3) is a fixed shaft, and when the second end cover flange (21) rotates, the hub (6) rotates along with it.

2. A large-scale horizontal ore dressing machine with two-end support and shaft feeding according to claim 1, characterized in that: The bottom of the casing (7) is welded to the frame (1), and the upper and lower sets of casings (7) are connected via flanges.

3. The large-scale horizontal ore concentrator with two-end support and shaft feeding according to claim 1 is characterized in that: A discharge port pipe (13) is provided at the bottom of the ore receiving trough (14), and supports are installed around the bottom of the frame (1).

4. The large-scale horizontal ore dressing machine with two-end support and shaft feeding according to claim 1 is characterized in that: The slurry clean water conveying assembly comprises a water delivery module and a slurry delivery module, the water delivery module is arranged inside the hollow shaft (3), and the slurry delivery module is arranged inside the hollow shaft (3).

5. The large-scale horizontal ore concentrator with two-end support and shaft feeding according to claim 4 is characterized in that: The water supply module comprises a first clean water pipe (9) and a clean water nozzle (11), wherein the first clean water pipe (9) is installed at the top and bottom of the inner cavity of the hollow shaft (3), and the clean water nozzle (11) is connected to the drainage end of the first clean water pipe (9).

6. A large-scale horizontal ore concentrator with two-end support and shaft feeding according to claim 5, characterized in that: The slurry delivery module comprises a slurry pipe (10) and a slurry nozzle, wherein the slurry pipe (10) is installed in the middle of the inner cavity of the hollow shaft (3), and the slurry nozzle is connected to the slurry discharge end of the slurry pipe (10).

7. The large-scale horizontal ore concentrator with two-end support and shaft feeding according to claim 1 is characterized in that: The driving assembly comprises a power module and a transmission module, wherein the power module is arranged on one side of the frame (1), and the transmission module is arranged on one side of the inner cavity of the frame (1).

8. The large-scale horizontal ore concentrator with two-end support and shaft feeding according to claim 7 is characterized in that: The power module comprises an electric motor (8) and a driving wheel (15), wherein the electric motor (8) is mounted on one side of the frame (1), and the driving wheel (15) is key-connected to the output shaft of the electric motor (8).

9. A large-scale horizontal ore concentrator with two-end support and shaft feeding according to claim 8, characterized in that: The transmission module comprises a passive wheel (16) and a belt, wherein the passive wheel (16) is mounted on one end of the surface of the hollow shaft (3), and the belt is sleeved on the surfaces of the passive wheel (16) and the driving wheel (15).

10. The large-scale horizontal ore concentrator with two-end support and shaft feeding according to claim 1, characterized in that: A variable frequency motor (12) is installed on the upper portion of the other side of the frame (1), an upper end cover flange (18) is provided on the upper portion of one end of the rotating hub (6), and lower end cover flanges (17) are provided on the lower portions of both ends of the rotating hub (6); A side end flange (19) is provided on the upper portion of the other end of the rotating hub (6), and a first end cover flange (20) is provided on the other end of the rotating hub (6); An upper shell flange (22) is provided at the upper portion of one end of the first end cover flange (20), and a lower shell flange (23) is provided at the lower portion of one end of the first end cover flange (20).

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