CN212943468U - Efficiency that improves ore pulp rotation rate desliming dewatering tank - Google Patents

Efficiency that improves ore pulp rotation rate desliming dewatering tank Download PDF

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Publication number
CN212943468U
CN212943468U CN202021264732.9U CN202021264732U CN212943468U CN 212943468 U CN212943468 U CN 212943468U CN 202021264732 U CN202021264732 U CN 202021264732U CN 212943468 U CN212943468 U CN 212943468U
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China
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dewatering tank
water supply
ore
desliming
pipes
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CN202021264732.9U
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杨珊
王红
李广文
赵旭龙
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Gansu Jiu Steel Group Hongxing Iron and Steel Co Ltd
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Gansu Jiu Steel Group Hongxing Iron and Steel Co Ltd
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Abstract

The utility model discloses an improve high-efficient desliming dewatering tank of ore pulp rotation rate belongs to ore dressing equipment technical field. The device comprises a dewatering tank, a hand wheel, an ore collecting ring, a magnetic system, a magnetic conduction supporting plate, an ore discharging weight and an overflow groove, wherein two groups of water supply pipes are further arranged in the middle and at the bottom of the side wall of the dewatering tank, the water supply pipes penetrate through the side wall of the dewatering tank, the water inlet ends of the water supply pipes are connected with water supply rubber pipes, and the water outlet ends of the water supply pipes are connected with guide type short pipes. The utility model discloses a set up 2 groups of feed pipes, can wholly improve dewatering tank internal rotation water velocity, increase the difference rotation inertia force and the centrifugal force that the mineral received, disperse the ore pulp effectively, improve the separation effect, make magnetic mineral form 2 separations with non-magnetism fine grain gangue, slime, improve desliming effect; the guide type short pipe generates rotating water flow, nonmagnetic fine-grain gangue and slime can be well impacted to form further dispersion, and the separation effect is improved.

Description

Efficiency that improves ore pulp rotation rate desliming dewatering tank
Technical Field
The utility model belongs to the technical field of the mineral processing equipment, in particular to improve high-efficient desliming dewatering tank of ore pulp rotation rate.
Background
The magnetic dewatering tank is a low-intensity magnetic field magnetic separation equipment which depends on the combined action of gravity, magnetic force and ascending water flow force, can separate out a large quantity of fine-grained tailings, has dewatering function, is usually used for desliming and preselecting operation after the first stage of ore grinding or before the second stage of ore grinding and magnetic separation in the stage of magnetic mineral grinding, and can also be used for concentration operation before filtration.
The magnetic force dehydration tanks are of various types, one of the permanent magnet type is the permanent magnet type, and the water supply mode of the permanent magnet type is that the water is fed along the tangential direction of a conical tank body at the lower part of a magnetic system to form a cyclone area. Magnetic aggregate is formed by magnetic force of a magnetic system of the magnetic mineral, is thrown to the wall of the tank under the action of centrifugal force, overcomes the force of ascending water, and then is settled and discharged to form concentrate; under the action of ascending water flow, the non-magnetic fine-grain gangue and slime move upwards against gravity and are discharged with overflow water to become tailings. The ore pulp forms a separation process in the groove body of the dewatering groove under the combined action of magnetic force, fluid force, gravity and centrifugal force.
When the existing permanent magnet type magnetic force dehydration tank is used, the following defects exist: 1. the water flow at the outlet of the water supply device does not form a vortex, and nonmagnetic fine-grain gangue and slime are not well impacted by the water flow of the water supply pipe so as to be further dispersed, so that the desliming effect is influenced; 2. the water supply device is distributed at the bottom of the magnetic system of the dewatering tank, the rotating water flow speed of the ore bed positioned on the horizontal plane in the middle of the magnetic system is lower, and the differential rotating inertia force and the centrifugal force applied to the magnetic minerals are reduced, so that the magnetic minerals are deviated to the magnetic system, and the ore pulp dispersing effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the defect or not enough that exist among the above-mentioned prior art provides an improve high-efficient desliming dewatering tank of ore pulp rotation rate.
The utility model discloses a solve above-mentioned problem, the technical scheme of adoption as follows: the utility model provides an improve high-efficient desliming dewatering tank of ore pulp rotation rate, including the dewatering tank, the hand wheel that the dewatering tank top set up and the overflow launder that sets up in the dewatering tank hold together the ore deposit circle, magnetism system, the magnetic conduction layer board, the ore discharge lead and the dewatering tank top intercommunication dewatering tank, magnetism system is vertical to be set up in magnetic conduction layer board top, the magnetic conduction layer board is fixed in on the dewatering tank inner wall through a plurality of connecting rods, hold together the ore deposit circle and be located magnetism system top, the ore discharge lead is located magnetism system below, the ore discharge lead passes through a lead screw and hand wheel fixed connection, its characterized in that: the middle part and the bottom of the side wall of the dehydration tank are respectively provided with 1 group of water supply pipe groups, each group of water supply pipe groups are provided with a plurality of water supply pipes, the water supply pipes penetrate through the side wall of the dehydration tank, and the water inlet ends of the water supply pipes are connected with water supply rubber pipes.
Furthermore, the water supply pipe and the magnetic system are arranged in a vertical direction.
Furthermore, the water supply pipe is parallel to the tangential direction of the cross section of the dewatering tank.
Preferably, the number of water supply pipes provided in the water supply pipe group provided in the middle of the side wall of the dewatering tub is 4, and the number of water supply pipes provided in the water supply pipe group provided in the bottom of the side wall of the dewatering tub is 4.
The utility model discloses an among some technical scheme, the feed pipe water outlet end still is connected with the direction formula nozzle stub, and the direction formula nozzle stub includes outer circle and sets up in a plurality of blades of outer circle inner wall.
Furthermore, the blades are connected with the outer circle in a welding mode.
Furthermore, the outer circle is made of stainless steel with the thickness of 5mm, the inner diameter of the outer circle is 400mm, and the height of the outer circle is 400 mm.
Furthermore, the blades are all distributed at an inclination angle of 30 degrees relative to the outer circle.
Furthermore, the upper part of the blade is a straight line opening edge, and the lower part of the blade is an arc opening edge.
Compared with the prior art, the utility model discloses following beneficial technological effect has:
the method has the advantages that through 2 groups of water supply pipes in the vertical direction of the dewatering trough body, the rotating water flow speed in the dewatering trough can be integrally improved, the differential rotation inertia force and the centrifugal force on minerals are increased, the ore pulp can be effectively dispersed, and the separation effect is improved;
through 2 groups of water supply pipes in the vertical direction of the dewatering tank body, the magnetic minerals and the nonmagnetic fine-grained gangue and slime can be separated for 2 times, and the desliming effect is improved;
the guide short pipe is arranged at the outlet end of the water supply pipe to generate rotary water flow, and the non-magnetic fine-grain gangue and slime can be well impacted to further disperse and improve the separation effect;
the blades in the guide type short pipes can effectively prevent the phenomenon of pipeline blockage caused by backflow of accumulated materials to the inner cavity of the water supply pipe due to water cut.
Drawings
FIG. 1 is a front view of the installation height of the present invention;
fig. 2 is a top view of the installation direction of the present invention;
FIG. 3 is a schematic structural view of the middle guiding type short pipe of the present invention;
FIG. 4 is a schematic view of the blade of FIG. 3;
reference numerals: 1-a hand wheel, 2-an ore collecting ring, 3-a magnetic system, 4-a magnetic conductive supporting plate, 5-an ore discharging block, 6-an overflow groove, 7-a dehydration groove, 8-a water supply rubber pipe, 9-a water supply pipe, 10-a guide type short pipe, 11-an outer circle and 12-a blade.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
Example 1
Please refer to figures 1 and 2, the utility model provides a pair of improve high-efficient desliming dewatering tank of ore pulp rotation rate, including dewatering tank 7, the hand wheel 1 that sets up above dewatering tank 7 and the setting of dewatering tank 7 hold together the ore deposit circle 2, magnetism is 3, magnetic conduction layer board 4, ore discharge stone roller 5 and the overflow launder 6 of dewatering tank 7 top intercommunication dewatering tank 7, magnetism is 3 vertical the setting in 4 tops of magnetic conduction layer board, magnetic conduction layer board 4 is fixed in on the 7 inner walls of dewatering tank through a plurality of connecting rods, hold together ore deposit circle 2 and be located 3 tops of magnetism, ore discharge stone roller 5 is located 3 below of magnetism, ore discharge stone roller 5 is through a lead screw and 1 fixed connection of hand wheel, its characterized in that: the middle part and the bottom of the side wall of the dewatering tank 7 are respectively provided with 1 group of water supply pipe groups, the number of the water supply pipes 9 arranged at the middle part of the side wall of the dewatering tank 7 is 4, the number of the water supply pipes 9 arranged at the bottom of the side wall of the dewatering tank 7 is 4, the water supply pipes 9 penetrate through the side wall of the dewatering tank 7, the water inlet ends of the water supply pipes 9 are connected with water supply rubber pipes 8, the water supply pipes 9 and the magnetic system 3 are arranged in the vertical direction and are parallel to the tangential direction of the cross section of the dewatering tank 7.
The overflow groove 6 is provided with two overflow pipes which are symmetrically arranged at two sides of the dehydration tank 7, and the overflow groove 6 and the dehydration tank 7 can be integrally formed; a screw rod at the top of the ore discharging lump 5 is positioned on the central axis of the conical dehydration tank 7, a nut in threaded connection with the screw rod is arranged at the middle part of the top of the ore collecting ring 2, the middle part of the screw rod sequentially penetrates through the middle part of the magnetic conductive supporting plate 4, the middle part of the magnetic system 3 and the nut at the middle part of the top of the ore collecting ring 2 upwards, and a magnetic mineral outlet is arranged at the middle part of the bottom of the dehydration tank 7 below the ore discharging lump 5; one end of the water supply rubber pipe 8 is connected with the water supply pipe 9, and the other end is connected with an external water source.
Example 2
On the basis of embodiment 1, with reference to fig. 3 and 4, the water outlet end of the water supply pipe 9 is further connected with a guiding type short pipe 10, the guiding type short pipe 10 comprises an outer circle 11 and a plurality of blades 12 arranged on the inner wall of the outer circle 11, and the blades 12 are connected with the outer circle 11 in a welding mode.
The outer circle 11 is made of stainless steel with the thickness of 5mm, the inner diameter of the outer circle 11 is 400mm, and the height of the outer circle is 400 mm; the blades 12 are distributed at an inclination angle of 30 degrees relative to the outer circle 11, the upper parts of the blades 12 are straight opening edges, and the lower parts of the blades are arc opening edges. What has been described above is a preferred embodiment of the present invention.

Claims (9)

1. The utility model provides an improve high-efficient desliming dewatering tank of ore pulp rotation rate, including dewatering tank (7), hand wheel (1) that dewatering tank (7) top set up and the overflow launder (6) that set up in dewatering tank (7) hold together ore ring (2), magnetism system (3), magnetic conduction layer board (4), ore discharge lead (5) and dewatering tank (7) top intercommunication dewatering tank (7), magnetism system (3) are vertical to be set up in magnetic conduction layer board (4) top, magnetic conduction layer board (4) are fixed in on dewatering tank (7) inner wall through a plurality of connecting rods, hold together ore ring (2) and are located magnetism system (3) top, ore discharge lead (5) are located magnetism system (3) below, ore discharge lead (5) are through a lead screw and hand wheel (1) fixed connection, its characterized in that: the middle part and the bottom of the dewatering tank (7) are respectively provided with 1 group of water supply pipe groups, each group of water supply pipe groups is provided with a plurality of water supply pipes (9), the water supply pipes (9) penetrate through the side wall of the dewatering tank (7), and the water inlet ends of the water supply pipes (9) are connected with water supply rubber pipes (8).
2. The high efficiency desliming and dewatering tank capable of increasing rotation speed of ore pulp according to claim 1, characterized in that: the water supply pipe (9) and the magnetic system (3) are arranged in a vertical direction.
3. The high efficiency desliming and dewatering tank capable of increasing rotation speed of pulp according to claim 2, characterized in that: the water supply pipe (9) is parallel to the tangential direction of the cross section of the dewatering tank (7).
4. The high efficiency desliming and dewatering tank capable of increasing rotation speed of pulp according to claim 3, wherein: the number of the water supply pipes (9) arranged on the water supply pipe group on the side wall of the middle part of the dewatering tank (7) is 4, and the number of the water supply pipes (9) arranged on the water supply pipe group on the side wall of the bottom part of the dewatering tank is 4.
5. The high efficiency desliming and dewatering tank capable of increasing rotation speed of ore pulp according to claim 1, characterized in that: the water outlet end of the water supply pipe (9) is also connected with a guiding type short pipe (10), and the guiding type short pipe (10) comprises an outer circle (11) and a plurality of blades (12) arranged on the inner wall of the outer circle (11).
6. The high efficiency desliming and dewatering tank capable of increasing rotation speed of pulp according to claim 5, wherein: the blades (12) are connected with the outer circle (11) in a welding mode.
7. The high efficiency desliming and dewatering tank capable of increasing rotation speed of pulp according to claim 5, wherein: the outer circle (11) is made of stainless steel materials with the thickness of 5mm, the inner diameter of the outer circle (11) is 400mm, and the height of the outer circle is 400 mm.
8. The high efficiency desliming and dewatering tank capable of increasing rotation speed of pulp according to claim 5, wherein: the blades (12) are all distributed at an inclination angle of 30 degrees relative to the outer circle (11).
9. The high efficiency desliming and dewatering tank capable of increasing rotation speed of pulp according to claim 5, wherein: the upper part of the blade (12) is a straight line opening edge, and the lower part of the blade is an arc opening edge.
CN202021264732.9U 2020-07-02 2020-07-02 Efficiency that improves ore pulp rotation rate desliming dewatering tank Active CN212943468U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021264732.9U CN212943468U (en) 2020-07-02 2020-07-02 Efficiency that improves ore pulp rotation rate desliming dewatering tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021264732.9U CN212943468U (en) 2020-07-02 2020-07-02 Efficiency that improves ore pulp rotation rate desliming dewatering tank

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115646628A (en) * 2022-04-12 2023-01-31 威海市海王旋流器有限公司 Magnetic classifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115646628A (en) * 2022-04-12 2023-01-31 威海市海王旋流器有限公司 Magnetic classifier

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