Laboratory type linear magnetic agglomeration sorting device

Abstract

A laboratory type linear magnetic agglomeration separation device comprises a supporting frame, an inclined strut is arranged on the supporting frame, two magnetic systems are arranged on the inclined strut, a separation column is arranged between the two magnetic systems, a separation sieve plate is arranged in the separation column, a feeding opening is formed in the top of the separation column, and at least one middling / tailing discharging opening is formed in the middle of the separation column. And a concentrate discharge hole is formed in the bottom of the separation column. The device can be used for magnetite separation test evaluation, and can also be used as continuous test equipment connected in series in a magnetite separation process flow to realize continuous ore feeding and continuous separation.

Description

TECHNICAL FIELD

[0001] The utility model relates to a laboratory type linear magnetic agglomeration sorting device. BACKGROUND

[0002] Traditional magnetite beneficiation is mainly weak magnetic field magnetic separation, and the equipment is a wet type cylinder weak magnetic separator, and the magnetic agglomeration gravity separation proposed in the 1980s is a revolutionary separation process and method for the separation principle of traditional weak magnetic separation process and equipment, including traditional magnetic agglomeration gravity separation and magnetic field screening method, and is mainly used for magnetite concentration process.

[0003] In the weak magnetic separation process, magnetic agglomeration occurs, the magnetism of magnetite particles is superimposed, and a magnetic aggregate is formed, which is easy to be mixed with gangue particles or magnetite rich intergrowth, so that the separation efficiency and precision of magnetite are not high, and the quality of iron concentrate is relatively poor.

[0004] The concentration equipment such as magnetic agglomeration gravity separation has the defects of large water consumption. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem of how to overcome the problem of large water consumption of the magnetic agglomeration gravity separation method, and provides a laboratory type linear magnetic agglomeration sorting device.

[0006] The technical scheme of the utility model is specifically as follows:

[0007] A laboratory type linear magnetic agglomeration sorting device, comprising a support frame, an inclined support is arranged on the support frame, two magnetic systems are arranged on the inclined support, a sorting column is arranged in the middle of the two magnetic systems, a sorting sieve plate is arranged in the sorting column, a feeding port is arranged at the top of the sorting column, at least one middling / tailings discharge port is arranged in the middle of the sorting column, and a concentrate discharge port is arranged at the bottom of the sorting column.

[0008] The sorting column is a smooth and transparent cylindrical pipe, and a sorting cavity is formed in the inside of the sorting column.

[0009] The sorting sieve plate comprises a support body, a solid plate is arranged on the upper part of the support body, and a sieve screen is arranged on the lower part of the support body.

[0010] The support body is a hollow rectangular lattice structure, and a flat sieve screen is bonded in the rectangular lattice of the support body; the support body is arranged longitudinally in the sorting column, and the support body is located at the horizontal line face diameter of the sorting column and penetrates through the sorting column.

[0011] An overflow port is further arranged at the upper part of the sorting column, the upper end of the solid plate body is flush with the upper end horizontal surface of the sorting column, and the lower end of the solid plate is below the overflow port.

[0012] The material of the support frame is stainless steel or aluminum alloy.

[0013] The sorting column is obliquely placed on the support frame and forms an angle of about 60-80 degrees with the horizontal plane, and the upper end surface of the sorting column is parallel to the horizontal plane.

[0014] The magnetic system is a permanent magnetic system structure with N-pole and S-pole opposite to each other, and the magnetic poles are long cuboids composed of ferrite magnetic blocks, the two magnetic poles are equidistant, parallel and opposite to the longitudinal center line of the sorting column body, and are parallel to the longitudinal center line of the sorting screen plate in the sorting column and perpendicular to the screen mesh in the sorting column; the center line of the opposite surface of the two magnetic poles is parallel to the screen mesh of the sorting screen plate.

[0015] The utility model discloses the beneficial effect is: the utility model discloses can be used as the sorting test evaluation of magnetite, also can be used as the continuous test equipment series connection in magnetite sorting technological process, realizes continuous ore feeding, continuous sorting, simultaneously, because of the transparent cylindrical sorting column design, the linear magnetic agglomeration formation, movement, separation in the column have the amplification effect on the vision, can more intuitively observe and understand the sorting phenomenon. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the sorting screen plate structure diagram;

[0018] Figure 3 It is the meniscus structure diagram. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0021] The principle used by the utility model is: there are two formation mechanisms of linear magnetic agglomeration, one is electromagnetic magnetic system based on Ampere's rule (including power-on solenoid and power-on straight wire) and N, S pole opposite parallel plate-shaped permanent magnetic system, wherein, the magnetic force line of the parallel plate-shaped permanent magnetic system is in nearly straight linear structure, and the magnetic force line of the electromagnetic magnetic system based on Ampere's rule is basically in curved linear structure.

[0022] Combined with the magnetite separation principle, the several linear magnetic force line distribution characteristics can greatly reduce the inclusion degree of magnetic agglomerates in the direction of the magnetic force line.

[0023] The essence of the linear magnetic agglomeration is that under the condition of relatively uniform low weak background magnetic field, the strong magnetic material is self-formed into magnetic agglomerates under the traction of the magnetic field in the direction of the magnetic force line, and the magnetic agglomerates are in linear parallel distribution with the magnetic force line.

[0024] As shown in Figure 1 , Figure 2 , a laboratory type linear magnetic agglomeration separation device, comprising a support frame 8, a slope is arranged on the support frame 8, two magnetic systems 3 are arranged on the slope, a separation column 6 is arranged in the middle of the two magnetic systems 3, a separation sieve plate 4 is arranged in the separation column 6, a feeding port 1 is arranged at the top of the separation column 6, at least one middle / tailings discharge port 5 is arranged in the middle of the separation column 6, and a concentrate discharge port 7 is arranged at the bottom of the separation column 6.

[0025] The cylindrical pipe structure of the separation column 6 can amplify the internal components of the column / pipe body and the separation phenomenon when the column / pipe body is filled with water, and the column / pipe body material is organic glass (polymethyl methacrylate, English abbreviation PMMA) but is not limited to organic glass.

[0026] Further, the support frame 8 mainly supports the separation column 6 and the magnetic system 3, in order not to affect the magnetic field distribution, the support frame 8 is made of non-magnetic material such as stainless steel or aluminum alloy.

[0027] Further, an overflow port 2 is further arranged at the upper part of the separation column 6.

[0028] Further, in order to realize clearer and more intuitive observation of the test phenomenon, the separation column 6 is designed as a smooth transparent cylindrical pipe, a separation cavity is formed in the inside, and the separation sieve plate 4 is arranged in the separation cavity.

[0029] Further, the sorting column 6 is obliquely placed on the support frame 8 and forms an angle of about 60-80 degrees with the horizontal plane, and the upper end section of the sorting column 6 is parallel to the horizontal plane.

[0030] Further, the sorting sieve plate 4 comprises a support body 10, a solid plate 9 is arranged at the upper portion of the support body 10, and a sieve net 11 is arranged at the lower portion of the support body 10. It should be noted that the support body 10 is a hollow rectangular lattice structure, and the material is selected from a non-magnetic material such as a plastic plate, the support body 10 is longitudinally arranged in the sorting column 6, and the support body 10 is located at the horizontal diameter of the sorting column 6 and penetrates the sorting column 6. The sieve net 11 is bonded in the rectangular lattice of the support body 10, and the material of the sieve net is selected from but not limited to a non-magnetic material such as nylon. The solid plate 9 without the sieve net is arranged at the upper end of the sorting sieve plate 4, the upper end of the solid plate 9 is flush with the upper end horizontal plane of the sorting column 6, and the lower end of the solid plate 9 is below the overflow port 2, so as to ensure that the material is completely fed onto the sieve net 11 in the water for sorting.

[0031] In order to realize the portability and flexibility in the use process, the magnetic system 3 is designed as a permanent magnetic system structure with opposite N-pole and S-pole, the magnetic pole is a cuboid composed of ferrite magnetic blocks, the two magnetic systems 3 are equidistant, parallel and opposite to the longitudinal center line of the main body of the sorting column 6, are parallel to the longitudinal center line of the sorting sieve plate 4 in the sorting column 6 and are perpendicular to the sieve net in the sorting column 6, the center line of the opposite surface of the two magnetic poles is parallel to the sieve net of the sorting sieve plate, and the two magnetic poles can be adjusted equidistantly to the distance of the sorting column 6.

[0032] The feeding port 1 is designed at the upper end of the sorting column 6 and is specifically arranged in the semicircular area above the sieve plate and the sieve net at the upper end of the sorting column 6, the material is fed into the feeding port 1 in a self-flowing manner, and the feeding port 1 can be connected with a feeding hopper to feed the material through the feeding hopper.

[0033] The concentrate discharge port 7 and the middling / tailings discharge port 5 form a discharge system, the concentrate discharge port 7 and the middling / tailings discharge port 5 are each provided with a discharge pipe and a valve device, the structure can realize static sorting of the material when the valve is closed and can also realize continuous sorting of the material when the valve is opened. The discharge ports are arranged at the lower side of the sorting column 6 and are arranged in stages from top to bottom, wherein the middling / tailings discharge port 5 is arranged at the middle and lower portion of the sorting column 6, the upper edge of the lowest middling / tailings discharge port 5 is close to the lower end of the sieve net 11, and the lower end arc is closely closed with the edge of the column body, like a meniscus, as shown in the figure, and the setting is mainly to collect the settled middling / tailings material and discharge the material from the discharge port to the sorting cavity. Figure 3

[0034] The sorting principle and process of the utility model are as follows:

[0035] 1. Insert the sorting sieve plate 4 into the sorting column 6;

[0036] ​2, the N, S magnetic pole 3 equidistant adjustment of both sides of the sorting column 6, form a certain magnetic field (with N, S magnetic pole equidistant screen center position magnetic field strength is generally 40-100 Gauss);

[0037] 3, the sorting column 6 is filled with water and keep overflow 2 overflow, through the feed inlet 1 give in the sorting of magnetite ore slurry;

[0038] 4, dissociation of sufficient magnetite monomer or rich suture under the action of magnetic field form linear magnetic agglomeration, the lateral size of magnetic agglomerate is far greater than the screen aperture and along the screen 11 on the surface of the rolling to the bottom of the sorting column 6, through the concentrate discharge 7 discharge; and gangue or poor suture is through the screen 11 screen hole into the screen, after precipitation through the middle / tailings discharge 5 discharge sorting column 6, so as to realize the effective separation of magnetite.

[0039] The device design can be used as the sorting test evaluation of magnetite, also can be used as the continuous test equipment in series in the magnetite sorting process, realizes the continuous ore feeding, continuous sorting; at the same time, due to the transparent cylindrical sorting column design, the linear magnetic agglomeration formation, movement, separation in the column has the role of visual amplification, can more intuitive observation and understanding of the sorting phenomenon.

[0040] The above described is only the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the overall concept of the present application, can make a number of changes and improvements, these should also be considered as the protection scope of the present application.

Claims

1. A laboratory type linear magnetic agglomeration separation device, characterized by: The invention comprises a support frame (8), an oblique support is provided on the support frame (8), two magnetic systems (3) are provided on the oblique support, a sorting column (6) is provided in the middle of the two magnetic systems (3), a sorting screen plate (4) is provided in the sorting column (6), a feeding port (1) is provided at the top of the sorting column (6), at least one middling / tailings discharge port (5) is provided in the middle of the sorting column (6), and a concentrate discharge port (7) is provided at the bottom of the sorting column (6).

2. A laboratory-type linear magnetic agglomeration separation device according to claim 1, characterized in that: The sorting column (6) is a smooth and transparent cylindrical tube with a sorting cavity formed inside. A sorting sieve plate (4) is provided in the sorting cavity.

3. The laboratory-type linear magnetic agglomeration separation device according to claim 1, characterized in that: The sorting screen plate (4) comprises a support body (10), a solid plate (9) is provided on the upper part of the support body (10), and a screen (11) is provided on the lower part of the support body (10).

4. A laboratory-type linear magnetic agglomeration separation device according to claim 3, characterized in that: The support body (10) is a hollow rectangular lattice structure, and a flat screen (11) is bonded in the rectangular lattice of the support body (10); the support body (10) is longitudinally arranged in the sorting column (6), and the support body (10) is located at the horizontal diameter of the sorting column (6) and passes through the sorting column (6).

5. The laboratory-type linear magnetic agglomeration separation device according to claim 3, characterized in that: An overflow port (2) is also provided on the upper portion of the sorting column (6), the upper end of the solid plate (9) is kept flush with the horizontal plane of the upper end of the sorting column (6), and the lower end of the solid plate (9) is below the overflow port (2).

6. The laboratory-type linear magnetic agglomeration separation device according to claim 1, characterized in that: The material of the support frame (8) is stainless steel or aluminum alloy.

7. The laboratory-type linear magnetic agglomeration separation device according to claim 1, characterized in that: The sorting column (6) is placed on the support frame (8) at an angle and forms an angle of about 60-80 degrees with the horizontal plane, and the upper end section of the sorting column (6) is parallel to the horizontal plane.

8. The laboratory-type linear magnetic agglomeration separation device according to claim 1, characterized in that: The magnetic system (3) is a permanent magnetic system structure with an N pole and an S pole facing each other. The magnetic poles are rectangular parallelepipeds composed of ferrite blocks. The two magnetic poles are equidistant from, parallel to, and opposite to the longitudinal center line of the main body of the sorting column (6). They are arranged parallel to the longitudinal center line of the sorting screen plate (4) in the sorting column (6) and are kept perpendicular to the screen in the sorting column (6); the center lines of the opposite surfaces of the two magnetic poles are parallel to the screen of the sorting screen plate.

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