Automatic iron removal equipment

Abstract

The present invention discloses an automatic iron removal device, which relates to the technical field of material screening equipment, including multiple iron removal units connected in process, the iron removal unit includes a magnetic roller, a feed plate and an isolator, the magnetic roller is rotatably arranged, and multiple strong magnetic areas and weak magnetic areas are alternately distributed along the length direction of the magnetic roller, one end of the feed plate is located above the magnetic roller, and the upper surface of the feed plate is provided with multiple first guide grooves distributed at intervals, the isolator cover is provided on the magnetic roller, and the rear end of the isolator is connected to the front end of the feed plate, and the isolator is provided with multiple second guide grooves distributed at intervals, the first guide groove is connected to the second guide groove, and the first guide groove, the second guide groove and the strong magnetic area are arranged one by one. It has the advantage of good iron removal effect and solves the problem of incomplete removal of magnetic materials.

Description

Technical Field

[0001] The invention relates to the technical field of material screening equipment, and in particular to automatic iron removal equipment. Background Art

[0002] In equipment for removing weak magnetic substances from mineral materials such as quartz sand, potassium-sodium feldspar, and kaolin, a roller brush or a magnetic roller is used to remove magnetic substances (such as iron). During the rotation of the roller brush or the magnetic roller, some of the magnetic substances are brought back to the raw material area, resulting in incomplete removal of the magnetic substances in the raw materials. In this type of equipment, the roller brush or the magnetic roller has a high-strength magnetic zone (an area where the magnetic lines of force are more concentrated) of only a few millimeters, while the weak magnetic zone can reach more than ten or even dozens of millimeters. Most of the material passes through the weak magnetic zone. Since the magnetic lines of force in the weak magnetic zone are more dispersed, the magnetic attraction effect is poor, resulting in the magnetic substances in the material being difficult to be adsorbed and the iron removal effect is poor. Summary of the invention

[0003] To this end, the present invention provides an automatic iron removal device to solve the problem that the existing equipment has poor iron removal effect and cannot remove all the iron.

[0004] In order to achieve the above object, the present invention provides the following technical solutions:

[0005] An automatic iron removal device includes multiple iron removal units connected in process, the iron removal units include a magnetic roller, a feed plate and an isolator, the magnetic roller is rotatably arranged, and multiple strong magnetic regions and weak magnetic regions are alternately distributed along the length direction of the magnetic roller, one end of the feed plate is located above the magnetic roller, and the upper surface of the feed plate is provided with multiple first guide grooves distributed at intervals, the isolator cover is provided on the magnetic roller, and the rear end of the isolator is connected to the front end of the feed plate, the isolator is provided with multiple second guide grooves distributed at intervals, the first guide groove is connected to the second guide groove, and the first guide groove, the second guide groove and the strong magnetic region are arranged one by one.

[0006] Furthermore, the automatic iron removal equipment also includes a separation chamber and an injection pipeline, the separation chamber is arranged below the iron removal unit, the injection pipeline is provided with a plurality of spray holes, the spray holes are located below the feeding plate, and the spray holes are located above the magnetic roller, the injection direction of the spray holes is arranged along the tangential direction of the strong magnetic zone of the magnetic roller, and the injection direction of the spray holes is toward the separation chamber.

[0007] Furthermore, the automatic iron removal equipment also includes a first water pump or a first air pump, and the medium outlet of the first water pump or the first air pump is connected to the medium inlet end of the injection pipeline.

[0008] Furthermore, the automatic iron removal equipment also includes a second water pump and a flushing pipeline, the water outlet of the second water pump is connected to the water inlet of the flushing pipeline, and the end of the flushing pipeline is located at the first feeding plate in the process sequence.

[0009] Furthermore, the magnetic roller includes a roller and a plurality of magnetic rings and a plurality of iron rings sleeved on the roller and alternately distributed along the length direction of the roller, wherein the area where the magnetic rings are located is a weak magnetic area, and the area where the iron rings are located is a strong magnetic area.

[0010] Furthermore, the magnetic roller also includes a protective sleeve and a protective ring. The protective sleeve is a stainless steel reel with a slit, and the protective sleeve is sleeved on the circumference of the magnetic ring. The protective ring is a clamping ring with an opening, and the protective ring is sleeved on the circumference of the iron ring.

[0011] Furthermore, the feeding plate includes a tray, a first partition, a first rubber strip and a second rubber strip, the first partition is arranged on the upper surface of the tray, the first guide groove is arranged on the upper surface of the first partition, the first rubber strip is arranged on the lower side of the front end of the tray, and the first rubber strip is tightly fitted with the magnetic roller, the second rubber strip is arranged on the upper side of the rear end of the tray, and the second rubber strip is tightly fitted with the magnetic roller, and the second rubber strip is provided with a plurality of spaced notches, and the notches are arranged one-to-one corresponding to the strong magnetic areas.

[0012] Furthermore, the separator includes a plurality of second partitions that are spaced apart from each other, and the second guide grooves are formed between adjacent second partitions.

[0013] Furthermore, the automatic iron removal equipment also includes a frame, and a plurality of the iron removal units are arranged on the upper part of the frame, and the heights of the plurality of the iron removal units are successively reduced along the process sequence direction, and the feeding plate is arranged to be low at the front and high at the back along the process sequence.

[0014] Furthermore, the automatic iron removal equipment also includes an electric motor, which is transmission-connected to the magnetic roller.

[0015] The present invention has the following advantages:

[0016] 1. The guide grooves are set on the feeding plate and the isolator, and the materials "flow" in the guide grooves; and the strong magnetic area of ​​the magnetic roller is set corresponding to the second guide groove of the isolator. Therefore, during the iron removal process, the material can only pass through the strong magnetic area of ​​the magnetic roller, and cannot pass through the weak magnetic area; in the strong magnetic area, the magnetic substances in the material are easily adsorbed. Compared with the existing equipment, the magnetic substances are cleared more thoroughly, and the iron removal effect is significantly improved.

[0017] 2. The injection pipeline is connected to medium such as high-pressure water or high-pressure gas. After the medium is sprayed out through the spray hole, the magnetic material adsorbed by the strong magnetic area can be flushed into the separation chamber below the iron removal unit to prevent the magnetic material from being brought back to the raw material area, thus solving the problem of incomplete removal of magnetic material.

[0018] 3. Under the action of water flow from the flushing pipeline, the material is more likely to "flow" along the guide groove to the magnetic roller for iron removal. Moreover, under the action of water flow, the material is more likely to flow between the iron removal units to form multi-stage iron removal. The height of the iron removal unit decreases successively, and the feeding plate is low in the front and high in the back, which further promotes the flow efficiency of the material.

[0019] 4. The magnetic roller is easily eroded and worn by the material, and it is very inconvenient to replace the iron ring (the iron ring through which the material mainly passes). A protective ring is installed outside the iron ring. When the protective ring is worn, the protective ring can be removed from the opening for replacement. This can not only protect the strong magnetic area from wear, but also make replacement of the protective ring extremely convenient, which can significantly increase the service life of the magnetic roller; a protective cover is installed outside the magnetic ring to protect the magnetic ring. When the protective cover is worn, the protective cover can be removed along the slit and then replaced with a new one. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0021] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0022] Figure 1 A front view of an automatic iron removal device provided in a specific embodiment of the present invention;

[0023] Figure 2 A front cross-sectional view of an automatic iron removal device provided in a specific embodiment of the present invention;

[0024] Figure 3 for Figure 2 A partial enlarged view of

[0025] Figure 4 A left side view of an automatic iron removal device provided in a specific embodiment of the present invention;

[0026] Figure 5 A three-dimensional diagram of an automatic iron removal device provided for a specific embodiment of the present invention;

[0027] Figure 6 A three-dimensional diagram of another viewing direction of the automatic iron removal device provided in a specific embodiment of the present invention;

[0028] Figure 7 A schematic diagram of the structure of a magnetic roller of an automatic iron removal device provided in a specific embodiment of the present invention;

[0029] Figure 8 A schematic diagram of the positional relationship of the roller shaft, magnetic ring, iron ring, protective sleeve and protective ring of the magnetic roller of the automatic iron removal equipment provided in a specific embodiment of the present invention;

[0030] Fig. 9 A schematic diagram of the positional relationship between the first partition and the second partition of the automatic iron removal equipment provided in a specific embodiment of the present invention;

[0031] Fig.10 for Fig. 9 A partial enlarged view of

[0032] Fig.11 A partial schematic diagram of a first partition of an automatic iron removal device provided in a specific embodiment of the present invention;

[0033] Fig.12 A schematic diagram of the structure of a tray of an automatic iron removal device provided in a specific embodiment of the present invention;

[0034] Fig.13 A schematic structural diagram of a second rubber strip of an automatic iron removal device provided in a specific embodiment of the present invention.

[0035] In the figure: 1-frame, 2-magnetic roller, 3-feeding plate, 4-isolator, 5-roller, 6-magnetic ring, 7-iron ring, 8-first guide groove, 9-tray, 10-first partition, 11-second guide groove, 12-second partition, 13-separation chamber, 14-first water pump, 15-injection pipeline, 16-second water pump, 17-flushing pipeline, 18-protective sleeve, 19-protective ring, 20-first rubber strip, 21-second rubber strip, 22-notch, 23-motor. DETAILED DESCRIPTION

[0036] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] The terms such as "upper", "lower", "left", "right", "middle", etc. cited in this specification are only for the convenience of description and are not intended to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should be regarded as within the scope of implementation of the present invention without substantially changing the technical content.

[0038] like Figures 1 to 13 As shown, an automatic iron removal equipment is used to remove weakly magnetic substances from non-metallic minerals and metal minerals such as quartz sand, potassium-sodium feldspar, and kaolin. The particle size of the mineral material can be between 30 mesh and 600 mesh, especially 100-600 mesh. The effect is better. Compared with the existing equipment, it has the advantage of good iron removal effect.

[0039] The frame 1 is mainly formed by welding steel pipes, and can also be connected by bolts. The frame 1 is used to install or fix other structures of the equipment to make it a complete mechanical equipment.

[0040] The bottom space of the frame 1 is equipped with a motor 23 and two water pumps. The motor 23 provides the power for the operation of the equipment, and the water pump provides high-pressure water. In an alternative solution, a water pump can be replaced with an air pump. A transmission system connected to the motor 23 is provided on one side of the frame 1, such as a belt drive, a chain drive or a gear set drive; a pipeline connected to the water pump or the air pump is provided on the other side of the frame 1, and a switch valve can also be provided on the pipeline.

[0041] An upper cover (not shown in the figure) for safety protection is provided above the frame 1. The upper cover can be a combination of multiple plates; a frame can also be provided, the cover is fixed on the frame, and the frame is connected to the frame 1. The upper cover can be fixed by bolts, or it can be opened to facilitate maintenance of parts between the upper cover and the frame 1.

[0042] The upper part of the frame 1 is provided with a plurality of iron removal units connected in process, and the iron removal units are under the upper cover. Generally, three or four iron removal units are provided to form a three-stage or four-stage iron removal. The iron removal unit comprises a magnetic roller 2, a feed plate 3 and an isolator 4. The magnetic roller 2 is rotatably fixed to the frame 1, and the feed plate 3 and the isolator 4 are directly or indirectly fixed to the frame 1. Multiple strong magnetic areas and weak magnetic areas are alternately distributed along the length direction of the magnetic roller 2; specifically, the magnetic roller 2 comprises a roller 5 and a plurality of magnetic rings 6 and a plurality of iron rings 7 which are sleeved on the roller 5 and alternately distributed along the length direction of the roller 5, and the area where the magnetic ring 6 is located is a weak magnetic area, and the area where the iron ring 7 is located is a strong magnetic area. The two ends of the roller 5 are fixed to the frame 1 by bearings, shaft seats, etc., and the magnetic rings 6 and iron rings 7 are sleeved on the middle section of the roller 5. In an optional embodiment, the roller 5 is provided with threads near the two ends and is screwed with large nuts, and the multiple magnetic rings 6 and iron rings 7 are fastened to the roller 5 by the large nuts. The front end of the feed plate 3 is located above and slightly behind the magnetic roller 2. The upper surface of the feed plate 3 is provided with a plurality of first guide grooves 8 spaced apart. The first guide grooves 8 are arranged in the front-to-back direction. The width of the first guide grooves 8 is greater than the width of the strong magnetic zone, generally 2-3 times the width of the strong magnetic zone, which can ensure that the strong magnetic zone adsorbs more magnetic materials (the adsorption has a gathering effect) and greatly reduce the materials passing through the weak magnetic zone. Specifically, the feed plate 3 includes a tray 9 and a first partition 10. The first partition 10 is arranged on the upper surface of the tray 9, and the first guide grooves 8 are arranged on the upper surface of the first partition 10. The separator 4 is arc-shaped, for example, between a quarter arc and a third arc. The isolator 4 is covered on the magnetic roller 2, and the rear end of the isolator 4 is connected to the front end of the feeding plate 3. The isolator 4 is provided with a plurality of second guide grooves 11 distributed at intervals. Specifically, the isolator 4 includes a plurality of second partitions 12 distributed at intervals. The second partitions 12 are directly or indirectly fixed to the frame 1. Second guide grooves 11 are formed between adjacent second partitions 12. The first guide groove 8 is connected to the second guide groove 11. The width of the second guide groove 11 is equal to the width of the first guide groove 8. It does not block the flow of materials and has the same advantages as the first guide groove 8.

[0043] The feed plate and the separator 4 are provided with guide grooves, and the material "flows" in the guide grooves; and the strong magnetic area of ​​the magnetic roller 2 is provided corresponding to the second guide groove 11 of the separator 4. Therefore, during the iron removal process, the material can only pass through the strong magnetic area of ​​the magnetic roller 2, and cannot pass through the weak magnetic area; in the strong magnetic area, the magnetic material in the material is easily adsorbed, and compared with the existing equipment, the magnetic material is cleared more thoroughly, and the iron removal effect is significantly improved.

[0044] It should be noted that the number of feed plates 3 is at least one more than the number of magnetic rollers 2, and the number of magnetic rollers 2 and isolators 4 is equal. Because after the material passes through the second guide groove 11 of the isolator 4, a feed plate 3 is needed to transport the material forward, which can be transported to the next process, or collected after being transported for a distance. The feed plate 3 not only provides a conveying channel for the material to enter the isolator 4, but also provides a channel for the material to be transported out of the isolator 4 after being output.

[0045] A separation chamber 13 is provided below the iron removal unit. A water pump is referred to as the first water pump 14, and the pipeline connected to the first water pump 14 is referred to as the injection pipeline 15. The injection pipeline 15 is mainly composed of a plurality of steel pipes, and the injection pipeline 15 is provided with a plurality of spray holes, the spray holes are located below the feed plate 3, and the spray holes are located above the magnetic roller 2, and the spray direction of the spray holes is arranged along the tangent direction of the strong magnetic zone of the magnetic roller 2, and the spray direction of the spray holes is toward the separation chamber 13. During the iron removal process, the magnetic material adsorbed by the strong magnetic zone is impacted into the separation chamber 13 by the high-pressure water ejected from the spray holes; the bottom plate of the separation chamber 13 is designed to be low in front and high in the back, and the magnetic material that follows the impact water flow converges from the lower part of the separation chamber 13 under the action of the water flow, where a discharge pipe with a larger diameter is connected, and the magnetic material is discharged and collected together with the water. The first water pump 14 can be replaced by the first air pump, and the ejected high-pressure water becomes high-pressure gas.

[0046] The remaining water pump is called the second water pump 16, and the pipeline connected to the second water pump 16 is called the flushing pipeline 17. The water outlet of the second water pump 16 is connected to the water inlet of the flushing pipeline 17, and the end of the flushing pipeline 17 is located at the first feed plate 3 in the process sequence. The high-frequency linear screen is fed with water flow impact, and after being evenly spread by the linear screen, it enters the set first guide groove 8. After the second water pump 16 and the flushing pipeline 17 are paved with water, the material naturally flows into the second guide groove 11 with the water flow, and iron is removed under the action of the magnetic roller 2.

[0047] In this embodiment, the magnetic roller 2 further includes a protective sleeve 18 and a protective ring 19. The protective sleeve 18 is a stainless steel reel with a slit, which can be made of a stainless steel leather roll with a thickness of 1 mm. The protective sleeve 18 is sleeved on the circumference of the magnetic ring 6. The protective ring 19 is a clamping ring with an opening, which is made of iron or 45 steel. The protective ring 19 is sleeved on the circumference of the iron ring 7. The protective ring 19 can be a clamping ring without lugs, which is similar to the protective sleeve 18 in structure; the difference is that the protective sleeve 18 covers the magnetic ring 6, so the protective sleeve 18 is wider, while the protective ring 19 covers the iron ring 7 and has a narrower width. The open end of the protective ring 19 can be provided with a perforation, and the perforation and hook are used to facilitate the removal of the protective ring 19.

[0048] In this embodiment, the feed plate 3 further includes a first rubber strip 20 and a second rubber strip 21, the first partition 10 is arranged on the upper surface of the tray 9, the first guide groove 8 is arranged on the upper surface of the first partition 10, the first rubber strip 20 is arranged on the lower side of the front end of the tray 9, and the first rubber strip 20 is tightly fitted with the magnetic roller 2, the second rubber strip 21 is arranged on the upper side of the rear end of the tray 9, and the second rubber strip 21 is tightly fitted with the magnetic roller 2, and the second rubber strip 21 is provided with a plurality of spaced notches 22, and the notches 22 are arranged one by one corresponding to the strong magnetic area. The first rubber strip 20 can avoid or greatly reduce the backflow of water to the separation chamber 13; the second rubber strip 21 can avoid or greatly reduce the backflow of water to the separation chamber 13 on the premise of ensuring that the magnetic material can pass through.

[0049] In this embodiment, the heights of the plurality of iron removal units decrease in sequence along the process sequence, and the feed plate 3 is arranged to be low at the front and high at the back along the process sequence, thereby improving the fluidity of the material and further promoting the circulation efficiency of the material.

[0050] Although the present invention has been described in detail above by general description and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention all belong to the scope of protection claimed by the present invention.

Claims

1. An automatic iron removal device, characterized in that: It comprises a plurality of iron removal units connected in a process, the iron removal units comprising a magnetic roller, a feed plate and an isolator, the magnetic roller is rotatably arranged, a plurality of strong magnetic areas and weak magnetic areas are alternately distributed along the length direction of the magnetic roller, one end of the feed plate is located above the magnetic roller, a plurality of first guide grooves distributed at intervals are arranged on the upper surface of the feed plate, the isolator cover is arranged on the magnetic roller, and the rear end of the isolator is connected to the front end of the feed plate, the isolator is provided with a plurality of second guide grooves distributed at intervals, the first guide groove is connected to the second guide groove, and the first guide groove, the second guide groove and the strong magnetic area are arranged one by one; The automatic iron removal equipment also includes a separation chamber and an injection pipeline, the separation chamber is arranged below the iron removal unit, the injection pipeline is provided with a plurality of spray holes, the spray holes are located below the feeding plate, and the spray holes are located above the magnetic roller, the spray direction of the spray holes is arranged along the tangent direction of the strong magnetic zone of the magnetic roller, and the spray direction of the spray holes is toward the separation chamber; The feeding plate includes a tray, a first partition, a first rubber strip and a second rubber strip, the first partition is arranged on the upper surface of the tray, the first guide groove is arranged on the upper surface of the first partition, the first rubber strip is arranged on the lower side of the front end of the tray, and the first rubber strip is tightly fitted with the magnetic roller, the second rubber strip is arranged on the upper side of the rear end of the tray, and the second rubber strip is tightly fitted with the magnetic roller, and the second rubber strip is provided with a plurality of spaced notches, and the notches are arranged one-to-one corresponding to the strong magnetic areas.

2. The automatic iron removal equipment according to claim 1, characterized in that: The automatic iron removal equipment further comprises a first water pump or a first air pump, wherein a medium outlet of the first water pump or the first air pump is connected to a medium inlet end of the injection pipeline.

3. The automatic iron removal equipment according to claim 1, characterized in that: The automatic iron removal equipment also includes a second water pump and a flushing pipeline. The water outlet of the second water pump is connected to the water inlet of the flushing pipeline. The end of the flushing pipeline is located at the first feeding plate in the process sequence.

4. The automatic iron removal equipment according to claim 1, characterized in that: The magnetic roller comprises a roller and a plurality of magnetic rings and a plurality of iron rings sleeved on the roller and alternately distributed along the length direction of the roller, wherein the area where the magnetic rings are located is a weak magnetic area, and the area where the iron rings are located is a strong magnetic area.

5. The automatic iron removal equipment according to claim 4, characterized in that: The magnetic roller also includes a protective sleeve and a protective ring. The protective sleeve is a stainless steel reel with a slit, and the protective sleeve is sleeved on the circumference of the magnetic ring. The protective ring is a clamping ring with an opening, and the protective ring is sleeved on the circumference of the iron ring.

6. The automatic iron removal equipment according to claim 1, characterized in that: The separator includes a plurality of second partitions that are spaced apart from each other, and the second guide grooves are formed between adjacent second partitions.

7. The automatic iron removal equipment according to claim 1, characterized in that: The automatic iron removal equipment also includes a frame, and a plurality of the iron removal units are arranged on the upper part of the frame. The heights of the plurality of the iron removal units decrease in sequence along the process sequence, and the feeding plate is arranged to be low at the front and high at the back along the process sequence.

8. The automatic iron removal equipment according to claim 1, characterized in that: The automatic iron removal equipment also includes a motor, which is drivingly connected to the magnetic roller.

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