Iron ore impurity removal device

Abstract

The utility model discloses an iron ore impurity removal device which comprises a shell and a buffer arranged at the top of a support, a sieve plate is obliquely arranged in an inner cavity of the shell, a conical hopper is arranged at the position, corresponding to the sieve plate, of the bottom of the shell, and a discharging sliding way is arranged at the top of the shell and close to the obliquely-downward end of the sieve plate. A feeding hopper is arranged at the upward inclined end, close to the sieve plate, of the top of the shell, and vibration exciters are fixedly arranged on the two sides of the shell; the two ends of the roller assembly are erected on the rolling supports, one end is sealed, the other end is open, the sealed end is communicated with the discharging slide way, and a spiral lining plate is fixedly arranged on the inner wall; the driving assembly is arranged on the roller assembly and used for driving the roller assembly to rotate around the axis of the roller assembly on the rolling support; and the water spraying assembly is arranged outside the roller assembly and used for spraying water into the roller assembly. The device does not need human intervention in any process, is high in automation degree and convenient to use, and can effectively remove impurities such as silt attached to the surface of the iron ore.

Description

Technical Field

[0001] The utility model relates to the technical field of iron ore impurity removal, and particularly relates to an iron ore impurity removal device. Background Technique

[0002] After iron ore is mined, it usually contains various impurities. In order to improve the quality of iron and ensure the efficiency of the iron-making process, it is necessary to carry out impurity removal treatment on the iron ore. Removing impurities can significantly increase the iron content in the iron ore, which helps to produce higher-quality pig iron and steel. At the same time, high-purity iron ore can also reduce energy consumption during the iron-making process.

[0003] An existing impurity removal device for iron ore mining with the authorized announcement number of CN 220760376 U includes a bottom plate. A frame is fixedly connected to the upper end of the bottom plate. Sliding grooves are provided on the left and right inner walls of the frame cavity. An impurity outlet penetrating the frame is provided at the left end of the frame. A feed inlet is fixedly connected to the upper end of the frame. A sliding partition is slidably connected to the front and rear inner walls of the feed inlet cavity. A vibrator is fixedly connected to the right end of the sliding partition. A blowing mechanism is fixedly connected to the right end of the feed inlet. Baffles are fixedly connected to the front and rear inner walls of the feed inlet cavity. A cleaning mechanism is fixedly connected to the upper end of the bottom plate. A drain pipe is fixedly connected to the front part of the cleaning mechanism. A valve is fixedly connected to the upper end of the drain pipe.

[0004] When the above technical solution is actually implemented, it is necessary to manually pull the sliding partition to make the material fall into the cleaning box of the cleaning mechanism. And after the iron ore is cleaned, it still stays in the cleaning box, and there is no corresponding conveying mechanism to transport the cleaned iron ore out of the cleaning box, and it still needs to be taken and carried manually. From this, it can be concluded that the movement link of the iron ore in this device is not smooth, relying on manual labor to complete part of the work, with a low degree of automation and inconvenience in use.

[0005] Therefore, this application specifically proposes an iron ore impurity removal device to solve the above technical problems. Content of the Utility Model

[0006] The main purpose of the utility model is to solve the above deficiencies, provide an iron ore impurity removal device, reduce the participation of manual labor in the process of iron ore impurity removal, improve the degree of automation, and thus reduce the labor intensity.

[0007] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0008] An iron ore impurity removal device, comprising: a housing, which is buffer - arranged on the top of a bracket, a sieve plate is inclined in the inner cavity of the housing, a conical hopper is arranged at the bottom of the housing corresponding to the sieve plate, a discharge chute is arranged at one end of the top of the housing near the inclined - down sieve plate, a feed hopper is arranged at one end of the top of the housing near the inclined - up sieve plate, and vibrators are fixedly arranged on both sides of the housing; a drum assembly, with both ends mounted on rolling supports, one end is sealed and the other end is open, the sealed end is communicated with the discharge chute, and spiral liners are fixedly arranged on the inner wall; a driving assembly, which is arranged on the drum assembly and is used to drive the drum assembly to rotate around its own axis on the rolling supports; a water - spraying assembly, which is arranged outside the drum assembly and is used to spray water into the drum assembly.

[0009] Further, the drum assembly includes a central cylinder, a first sieve cylinder and a second sieve cylinder symmetrically arranged at both ends of the central cylinder, an end cylinder arranged at the other end of the first sieve cylinder, a bottom cylinder arranged at the other end of the second sieve cylinder, and a bottom sealing plate rotatably arranged at the end of the bottom cylinder and communicated with the discharge chute. The cylinders of each section of the above - mentioned drum assembly are hermetically connected through flange plates.

[0010] Further, the first sieve cylinder and the second sieve cylinder have the same structure. A plurality of long - strip holes are evenly distributed around the outer wall of the first sieve cylinder, and a sieve mesh is arranged at the holes to block them.

[0011] Further, the driving assembly includes a driven wheel fixedly sleeved on the central cylinder, a speed reducer, a motor drivingly connected to the input end of the speed reducer, and a driving wheel fixedly arranged at the output end of the speed reducer and belt - drivingly connected to the driven wheel.

[0012] Further, the water - spraying assembly includes an annular pipe group arranged around the first sieve cylinder and the second sieve cylinder and a positioning base arranged at the bottom of the annular pipe group.

[0013] Further, the annular pipe group includes a plurality of interconnected annular water pipes, a plurality of sleeve connecting rods arranged around adjacent annular water pipes, and a plurality of high - pressure nozzles arranged around the annular water pipes. A plurality of chutes for clamping the annular water pipes are opened on the positioning base.

[0014] Further, a cover plate is hingedly arranged at the top of the housing corresponding to the sieve plate, a blower is fixedly arranged on the cover plate, and the air - blowing end of the blower is inserted into the inner cavity of the housing and faces the sieve plate.

[0015] The beneficial effects of the present utility model are embodied in:

[0016] The utility model preliminarily screens impurities such as sediment attached to the surface of iron ore by setting a primary screening assembly composed of a housing, a bracket, a sieve plate, a conical hopper, a discharge chute, a feed hopper and a vibrator. The screened impurities are converged by the conical hopper and then discharged from the housing, while the iron ore continues to move along the inclined direction of the sieve plate until it falls into the discharge chute. By setting a drum assembly communicated with the discharge chute and containing spiral liners inside and a water spraying assembly arranged around the drum assembly, when the drum assembly rotates, the spiral liners therein drive the iron ore to roll up and down and gradually move it towards the outlet of the drum assembly. Under the flushing action of the water spraying assembly, the impurities attached to the surface of the iron ore can be further removed. This device does not require any manual intervention in any process, has a high degree of automation, and is convenient to use, and can effectively remove impurities such as sediment attached to the surface of iron ore. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The attached drawings forming a part of this application are used to provide a further understanding of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an improper limitation to the utility model. In the drawings:

[0018] Figure 1 is a schematic diagram of the overall structure of an embodiment of the utility model;

[0019] Figure 2 is a schematic diagram of a half-section of the main structure of an embodiment of the utility model;

[0020] Figure 3 is a schematic diagram of the structure of the drum assembly and its related components of an embodiment of the utility model;

[0021] Figure 4 is an exploded view of the drum assembly of an embodiment of the utility model;

[0022] Figure 5 is a schematic diagram of the structure of the water spraying assembly of an embodiment of the utility model.

[0023] In the figure: 1, housing; 2, bracket; 3, sieve plate; 4, conical hopper; 5, discharge chute; 6, feed hopper; 7, vibrator; 8, drum assembly; 81, central cylinder; 82, first sieve cylinder; 83, second sieve cylinder; 84, end cylinder; 85, bottom cylinder; 86, bottom sealing plate; 9, rolling support; 10, spiral liner; 11, drive assembly; 111, driven wheel; 112, reducer; 113, motor; 114, driving wheel; 12, water spraying assembly; 121, annular pipe group; 1211, annular water pipe; 1212, sleeve connecting rod; 1213, high-pressure nozzle; 122, positioning base; 13, hole; 14, sieve mesh; 15, clamping groove; 16, cover plate; 17, blower. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, in combination with the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. 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 fall within the protection scope of the present utility model.

[0025] As Figures 1-5 shown, the present utility model provides an iron ore impurity removal device, including:

[0026] A housing 1, buffer - arranged on the top of a bracket 2. A sieve plate 3 is inclined in the inner cavity of the housing 1. A conical hopper 4 is arranged at the bottom of the housing 1 corresponding to the sieve plate 3. A discharge chute 5 is arranged at the top of the housing 1 near the inclined - downward end of the sieve plate 3. A feed hopper 6 is arranged at the top of the housing 1 near the inclined - upward end of the sieve plate 3. Vibration exciters 7 are fixedly arranged on both sides of the housing 1;

[0027] A drum assembly 8, with both ends supported on rolling supports 9, one end sealed and the other end open. The sealed end is communicated with the discharge chute 5, and a spiral lining plate 10 is fixedly arranged on the inner wall;

[0028] A drive assembly 11, arranged on the drum assembly 8, for driving the drum assembly 8 to rotate around its own axis on the rolling supports 9;

[0029] A water - spraying assembly 12, arranged outside the drum assembly 8, for spraying water into the drum assembly 8.

[0030] The basic working principle of this device is as follows: The iron ore to be de - impurities enters the housing 1 from the feed hopper 6 and falls onto the sieve plate 3. The vibration exciter 7 drives the sieve plate 3 to vibrate. The sieve plate 3 sifts off impurities such as sand and gravel attached to the surface of the iron ore. The sifted - off impurities are gathered by the conical hopper 4 and then discharged from the housing 1. The iron ore then continues to move along the inclined direction of the sieve plate 3 until it falls into the discharge chute 5 and slides into the drum assembly 8. The drive assembly 11 drives the drum assembly 8 to rotate. When the drum assembly 8 rotates, the spiral lining plate 10 therein drives the iron ore to tumble up and down and gradually move towards the outlet of the drum assembly 8. Under the flushing action of the water - spraying assembly 12, the impurities attached to the surface of the tumbling iron ore are further removed.

[0031] In the entire working process of this device, there is no need for manual intervention in any process. It has a high degree of automation and is easy to use, and can effectively remove impurities such as sediment attached to the surface of the iron ore.

[0032] In one embodiment, the drum assembly 8 includes a central drum 81, a first screen drum 82 and a second screen drum 83 symmetrically arranged at both ends of the central drum 81, an end drum 84 arranged at the other end of the first screen drum 82, a bottom drum 85 arranged at the other end of the second screen drum 83, and a bottom sealing plate 86 rotatably arranged at the end of the bottom drum 85 and connected to the discharge chute 5. The drum bodies of the above-mentioned drum assembly 8 are sealed and connected by flanges. The first screen drum 82 and the second screen drum 83 have the same structure. A plurality of long strip holes 13 are evenly arranged on the outer wall of the first screen drum 82, and a screen 14 is arranged at the hole 13 to seal it.

[0033] With this design, the high-pressure water flow sprayed by the water spray assembly 12 can pass through the first screen drum 82 and the second screen drum 83, and act on the iron ore in the drum to wash away the impurities attached to the iron ore, while the iron ore will not fall from the first screen drum 82 and the second screen drum 83 due to the obstruction of the screen 14. In addition, dividing the drum assembly 8 into a plurality of mutually spliced ​​segments can reduce the manufacturing cost and difficulty.

[0034] In one embodiment, the driving assembly 11 includes a driven wheel 111 fixedly sleeved on the central tube 81, a reducer 112, a motor 113 transmission-connected to the input end of the reducer 112, and a driving wheel 114 fixedly arranged at the output end of the reducer 112 and belt-connected to the driven wheel 111.

[0035] With this design, the motor 113 drives the driving wheel 114 to rotate after the speed is reduced and the torque is amplified by the reducer 112. The driving wheel 114 drives the driven wheel 111 to rotate together with the roller assembly 8 through the belt, thereby driving the roller assembly 8.

[0036] In one embodiment, the water spray assembly 12 includes an annular tube group 121 disposed around the outside of the first sieve drum 82 and the second sieve drum 83 and a positioning base 122 disposed at the bottom of the annular tube group 121. The annular tube group 121 includes a plurality of annular water pipes 1211 that are interconnected, a plurality of sleeve connecting rods 1212 disposed around adjacent annular water pipes 1211, and a plurality of high-pressure nozzles 1213 disposed around the annular water pipes 1211. The positioning base 122 is provided with a plurality of slots 15 for clamping the annular water pipes 1211.

[0037] With this design, the high-pressure nozzles 1213 can be spread around the first sieve drum 82 and the second sieve drum 83 to perform all-round flushing on the iron ore therein, thereby improving the flushing efficiency and flushing effect; by providing a sleeve connecting rod 1212, multiple annular water pipes 1211 are connected to form a whole, and each annular water pipe 1211 is clamped in the clamping groove 15 of the positioning base 122, so that the annular pipe group 121 can be stably placed and not easy to tip over.

[0038] In one embodiment, a cover plate 16 is hingedly arranged corresponding to the top of the housing 1 and the sieve plate 3. A blower 17 is fixedly arranged on the cover plate 16. The air blowing end of the blower 17 is inserted into the inner cavity of the housing 1 and faces the sieve plate 3.

[0039] With this design, the blower 17 can quickly blow the surface attachment impurities of the iron ore sifted on the sieve plate 3 into the conical hopper 4, improving the impurity removal efficiency.

[0040] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, 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 included in the present utility model.

[0041] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present utility model, the directional indications are only used to explain the relative positional relationship and movement conditions between components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0042] In addition, "a plurality of" means more than two. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions appears to be contradictory or unable to be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

Claims

1. An iron ore impurity removal device, characterized in that: include: A shell (1), a buffer is arranged on the top of the bracket (2), a screen plate (3) is arranged obliquely in the inner cavity of the shell (1), a cone bucket (4) is arranged at the bottom of the shell (1) corresponding to the screen plate (3), a discharge chute (5) is arranged at the end of the top of the shell (1) close to the screen plate (3) obliquely downward, a feed hopper (6) is arranged at the end of the top of the shell (1) close to the screen plate (3) obliquely upward, and vibrators (7) are fixedly arranged on both sides of the shell (1); The roller assembly (8) has two ends mounted on a rolling support (9), one end is sealed and the other end is open, the sealed end is connected to the discharge chute (5), and a spiral lining plate (10) is fixedly arranged on the inner wall; A driving assembly (11), arranged on the roller assembly (8), and used for driving the roller assembly (8) to rotate around its own axis on the rolling support (9); A water spraying assembly (12) is arranged outside the drum assembly (8) and is used for spraying water into the drum assembly (8).

2. The iron ore impurity removal device according to claim 1, characterized in that: The drum assembly (8) comprises a center drum (81), a first screen drum (82) and a second screen drum (83) symmetrically arranged at two ends of the center drum (81), an end drum (84) arranged at the other end of the first screen drum (82), a bottom drum (85) arranged at the other end of the second screen drum (83), and a bottom sealing plate (86) rotatably arranged at the end of the bottom drum (85) and connected to the discharge chute (5). The drum bodies of the various sections of the drum assembly (8) are sealed and connected via flanges.

3. The iron ore impurity removal device according to claim 2, characterized in that: The first sieve drum (82) and the second sieve drum (83) have the same structure. A plurality of long strip holes (13) are evenly arranged around the outer wall of the first sieve drum (82), and a sieve (14) is arranged at the hole (13) to seal it.

4. The iron ore impurity removal device according to claim 2, characterized in that: The driving assembly (11) comprises a driven wheel (111) fixedly sleeved on the central cylinder (81), a reducer (112), a motor (113) drivingly connected to the input end of the reducer (112), and a driving wheel (114) fixedly arranged at the output end of the reducer (112) and belt-drivenly connected to the driven wheel (111).

5. The iron ore impurity removal device according to claim 2, characterized in that: The water spray assembly (12) comprises an annular pipe group (121) arranged around the outside of the first sieve cylinder (82) and the second sieve cylinder (83), and a positioning base (122) arranged at the bottom of the annular pipe group (121).

6. The iron ore impurity removal device according to claim 5, characterized in that: The annular pipe group (121) comprises a plurality of annular water pipes (1211) interconnected with each other, a plurality of sleeve connecting rods (1212) disposed around adjacent annular water pipes (1211), and a plurality of high-pressure nozzles (1213) disposed around the annular water pipes (1211). The positioning base (122) is provided with a plurality of slots (15) for clamping the annular water pipes (1211).

7. The iron ore impurity removal device according to claim 1, characterized in that: A cover plate (16) is hingedly provided at the top of the shell (1) corresponding to the sieve plate (3), and a blower (17) is fixedly provided on the cover plate (16). The blowing end of the blower (17) is inserted into the inner cavity of the shell (1) and faces the sieve plate (3).

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