Impurity removal equipment for iron powder production

Abstract

The utility model discloses impurity removing equipment for iron powder production. The impurity removing equipment comprises a machine body, a vibrating mechanism is arranged at the lower end of the machine body, a cavity is formed in the machine body, a feeding groove is formed in the inner wall of the left side of the cavity, a sealing cover is rotationally hinged to the upper end of the feeding groove, and a plurality of sieve plates which are obliquely distributed in a staggered mode are fixedly connected to the inner walls of the left side and the right side of the cavity. The vibrating motor is matched with the telescopic rods and the springs in the first circular grooves in the multiple supporting piles, so that the multiple sieve plates in the machine body are conveniently driven to vibrate rapidly, the arc-shaped bottom of the cavity is matched with the discharging opening and the uncovered material collecting groove to recycle impurities, and the screening and impurity removing effect of iron powder and impurities is improved; two T-shaped fixing blocks are fixed on the sieve plate in cooperation with bolts, so that a second spring in a second circular groove is matched with a movable rod to drive an arc-shaped end face on a strip-shaped scraping plate to be tightly attached to the magnetic separation roller, the scraping effect is improved, meanwhile, buffer protection is provided for the strip-shaped scraping plate, and the service life of the strip-shaped scraping plate is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of iron powder production, in particular to an impurity removal device for iron powder production. Background Technique

[0002] The heating material of the heat patch is mainly composed of materials such as iron powder and activated carbon. The heating principle is that the iron powder naturally oxidizes and releases heat. The iron powder used in the heat patch is obtained by interlayer loading of iron ore concentrate powder, low-sulfur coke chips, and limestone powder as a mixed reducing agent in a reduction container, heating at high temperature to reduce the ore powder into sponge iron, and then hammering and breaking the sintered powder block after annealing to obtain high-quality sponge iron powder.

[0003] In the prior art, such as the publication number CN217796669U, an impurity removal device for iron powder production is disclosed, which includes a device housing. A conveying component and an impurity removal component are arranged in the device housing. Each of the two discharge ports one and the two discharge ports two is connected through a guiding shell... It solves the problems that the transmission belt and the magnetic roller in the existing impurity removal device for iron powder production are both set singly, and it is impossible to ensure that the iron powder falling on the transmission belt is evenly spread on the transmission belt, so that part of the iron powder cannot be sucked out, resulting in waste of iron powder. The technical solutions of the above patent have the following deficiencies: 1. The vibration screening effect of its sieve plate is poor, affecting the impurity removal effect of iron powder; 2. The scraping blades for cleaning the magnetic roller are vulnerable parts and lack a buffer structure. Content of the Utility Model

[0004] In view of the deficiencies and defects in the prior art, the utility model provides an impurity removal device for iron powder production to solve the technical problems proposed in the background technique.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An impurity removal device for iron powder production includes a machine body. A vibration mechanism is arranged at the lower end of the machine body. A cavity is arranged in the machine body. A feeding groove is arranged on the left inner wall of the cavity. A sealing cover is rotatably hinged at the upper end of the feeding groove. A plurality of sieve plates are fixedly connected to the left and right inner walls of the cavity and are distributed in a staggered and inclined manner. The bottom of the cavity is arranged in an arc shape. A discharge port is arranged on the left inner wall of the cavity near the arc-shaped bottom. The lowermost sieve plate penetrates through the discharge port. A plurality of magnetic separation rollers are horizontally rotatably penetrated through the front and rear inner walls of the cavity. The plurality of magnetic separation rollers are respectively distributed on the left and right sides of the cavity and are located between adjacent two sieve plates. Cleaning mechanisms are arranged on the inclined lower end surfaces of the plurality of sieve plates.

[0007] Preferably, the vibration mechanism includes a fixed seat disposed below the machine body. The upper end of the fixed seat is fixedly connected with a plurality of support piles. The plurality of support piles are arranged in an equally spaced and circumferentially distributed manner. The upper ends of the plurality of support piles are each provided with a first circular groove. The bottoms of the plurality of first circular grooves are fixedly connected with telescopic rods and first springs respectively. The plurality of first springs are respectively sleeved on the plurality of telescopic rods. The upper ends of the plurality of telescopic rods and first springs are fixedly connected with the lower end of the machine body. Two vibration motors are fixedly installed at the lower end of the machine body. The two vibration motors are located between the plurality of support piles and are arranged oppositely.

[0008] Preferably, a discharge port is provided at the central position of the arc-shaped bottom of the chamber. An uncovered aggregate trough is placed on the upper end of the fixed seat. The uncovered aggregate trough is disposed opposite to the discharge port.

[0009] Preferably, the scraping mechanism includes two T-shaped fixing blocks disposed on the inclined lower end face of the sieve plate close to the magnetic separation roller. The two T-shaped fixing blocks are respectively disposed close to the front and rear side walls of the sieve plate. A plurality of bolts are respectively penetrated through the horizontal sections of the two T-shaped fixing blocks. The plurality of bolts are all fixedly connected with the sieve plate. Second circular grooves are respectively provided on the side walls of the two T-shaped fixing blocks facing the magnetic separation roller. Second springs are fixedly connected to the inner walls of the two second circular grooves far away from the magnetic separation roller. One ends of the two second springs far away from the inner walls of the second circular grooves are fixedly connected with movable rods. The two movable rods are fixedly connected with the same strip-shaped scraper at the ends far away from the T-shaped fixing blocks. An arc-shaped end face is provided on the side wall of the strip-shaped scraper facing the magnetic separation roller. The arc-shaped end face on the strip-shaped scraper is closely attached to the annular side wall of the magnetic separation roller.

[0010] Preferably, a sealing ring is fixedly sleeved on the end of the movable rod located outside the second circular groove. The sealing ring is fixedly connected to the side wall of the T-shaped fixing block facing the magnetic separation roller.

[0011] Preferably, the strip-shaped scraper is made of wear-resistant alloy, and the sealing ring is made of corrosion-resistant rubber.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. By arranging the vibration motors in cooperation with the telescopic rods and springs in the first circular grooves on the plurality of support piles, it is convenient to drive the plurality of sieve plates in the machine body to vibrate rapidly, and the arc-shaped bottom of the chamber cooperates with the discharge port and the uncovered aggregate trough to recover impurities, improving the screening and impurity removal effect of iron powder and impurities.

[0014] 2. By fixing the two T-shaped fixing blocks on the sieve plate with bolts, the second springs in the second circular grooves cooperate with the movable rods to drive the arc-shaped end face on the strip-shaped scraper to be closely attached to the magnetic separation roller, improving the scraping effect and providing buffer protection for the strip-shaped scraper, and prolonging the service life of the strip-shaped scraper. Description of the Drawings

[0015] Figure 1 It is a perspective schematic diagram of a impurity removal device for iron powder production proposed by the present utility model;

[0016] Figure 2 is Figure 1 a partial enlarged view of A in

[0017] Figure 3 It is a partial split structural schematic diagram of a scraping mechanism of an impurity removal device for iron powder production proposed by the present utility model;

[0018] Figure 4 It is a structural schematic diagram of a strip-shaped scraper of an impurity removal device for iron powder production proposed by the present utility model.

[0019] In the figure: 1 body, 2 chamber, 3 feed trough, 4 sealing cover, 5 sieve plate, 6 discharge port, 7 magnetic separation roller, 8 fixed seat, 9 support pile, 10 first circular groove, 11 telescopic rod, 12 first spring, 13 vibration motor, 14 discharge opening, 15 lidless aggregate trough, 16 T-shaped fixing block, 17 bolt, 18 second circular groove, 19 second spring, 20 movable rod, 21 strip-shaped scraper, 22 sealing ring. Detailed Embodiment

[0020] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0022] Refer to Figures 1-4, An impurity removal device for iron powder production, including a machine body 1. A vibration mechanism is provided at the lower end of the machine body 1. The vibration mechanism includes a fixed seat 8 arranged below the machine body 1. The upper end of the fixed seat 8 is fixedly connected with a number of support piles 9. The number of support piles 9 are arranged in an equally spaced circular distribution. The upper ends of the number of support piles 9 are all provided with first circular grooves 10. The bottoms of the number of first circular grooves 10 are fixedly connected with telescopic rods 11 and first springs 12 respectively. The number of first springs 12 are respectively sleeved on the number of telescopic rods 11. The upper ends of the number of telescopic rods 11 and first springs 12 are fixedly connected with the lower end of the machine body 1. Two vibration motors 13 are fixedly installed at the lower end of the machine body 1. The two vibration motors 13 are located between the number of support piles 9 and are arranged oppositely. Starting the two vibration motors 13 at the lower end of the machine body 1, the vibration motors 13 cooperate with the telescopic rods 11 and first springs 12 in the first circular grooves 10 on the number of support piles 9 to drive the machine body 1 to vibrate rapidly, and the machine body 1 drives the number of sieve plates 5 to vibrate rapidly, thereby screening the impurity-removed iron powder. At the central position of the arc-shaped bottom of the chamber 2, there is a discharge port 14. An uncovered aggregate trough 15 is placed on the upper end of the fixed seat 8. The uncovered aggregate trough 15 is arranged opposite to the discharge port 14. The impurities screened out by the number of sieve plates 5 are recovered along the arc-shaped bottom of the chamber 2 in cooperation with the discharge port 14 and the uncovered aggregate trough 15, improving the screening and impurity removal effect of iron powder and impurities.

[0023] A chamber 2 is provided inside the machine body 1. An inlet trough 3 is provided on the left inner wall of the chamber 2. A sealing cover 4 is rotatably hinged at the upper end of the inlet trough 3. The sealing cover 4 is used to seal the inlet trough 3. A number of sieve plates 5 are fixedly connected to the left and right inner walls of the chamber 2 and are arranged in a staggered and inclined manner. The bottom of the chamber 2 is arranged in an arc shape. A discharge port 6 is provided on the left inner wall of the chamber 2 near the arc-shaped bottom. The lowermost sieve plate 5 penetrates through the discharge port 6. A number of magnetic separation rollers 7 are horizontally rotatably penetrated through the front and rear inner walls of the chamber 2. The number of magnetic separation rollers 7 are respectively distributed on the left and right sides of the chamber 2 and are located between adjacent two sieve plates 5. The number of magnetic separation rollers 7 adsorb the iron powder screened out on the sieve plates 5, and the arc-shaped end face of the strip-shaped scraper 21 is always in contact with the arc-shaped end face of the magnetic separation roller 7 to scrape the adsorbed iron powder.

[0024] Scraping mechanisms are provided on the inclined lower end faces of several sieve plates 5. The scraping mechanism includes two T-shaped fixing blocks 16 arranged on the inclined lower end face of the sieve plate 5 close to the magnetic separation roller 7. The two T-shaped fixing blocks 16 are respectively arranged close to the front and rear side walls of the sieve plate 5. A number of bolts 17 penetrate through the horizontal sections of the two T-shaped fixing blocks 16. The number of bolts 17 are all fixedly connected to the sieve plate 5. The number of bolts 17 are used to fix the two T-shaped fixing blocks 16 on the front and rear sides of the lower end of the sieve plate 5 respectively. Second circular grooves 18 are provided on the side walls of the two T-shaped fixing blocks 16 facing the magnetic separation roller 7. Second springs 19 are fixedly connected to the inner walls of the two second circular grooves 18 away from the magnetic separation roller 7. One end of each of the two second springs 19 away from the inner wall of the second circular groove 18 is fixedly connected to a movable rod 20. One end of the two movable rods 20 away from the T-shaped fixing blocks 16 is fixedly connected to the same strip-shaped scraper 21. An arc-shaped end face is provided on the side wall of the strip-shaped scraper 21 facing the magnetic separation roller 7. When the arc-shaped end face of the strip-shaped scraper 21 comes into relative contact with the magnetic separation roller 7, it drives the movable rod 20 to compress the second spring 19 in the second circular groove 18, so that the second spring 19 cooperates with the movable rod 20 to drive the arc-shaped end face of the strip-shaped scraper 21 to always be in contact with the arc-shaped end face of the magnetic separation roller 7, effectively scraping the adsorbed iron powder, improving the scraping effect while providing buffer protection for the strip-shaped scraper 21 and extending the service life of the strip-shaped scraper 21. The arc-shaped end face on the strip-shaped scraper 21 is arranged closely against the annular side wall of the magnetic separation roller 7. A sealing ring 22 is fixedly sleeved on the end of the movable rod 20 outside the second circular groove 18. The sealing ring 22 is fixedly connected to the side wall of the T-shaped fixing block 16 facing the magnetic separation roller 7. The sealing ring 22 can prevent iron powder or impurities from entering the second circular groove 18. The material of the strip-shaped scraper 21 is wear-resistant alloy, and the material of the sealing ring 22 is corrosion-resistant rubber.

[0025] When the present utility model is in use, the sealing cover 4 on the feed trough 3 is opened, and the iron powder to be purified is introduced into the chamber 2 of the machine body 1 through the feed trough 3. The two vibration motors 13 at the lower end of the machine body 1 are started, so that the vibration motors 13 cooperate with the telescopic rods 11 and the first springs 12 in the first circular grooves 10 on the number of support piles 9 to drive the machine body 1 to vibrate rapidly, and the machine body 1 drives the number of sieve plates 5 to vibrate rapidly, thereby screening the purified iron powder, enabling the number of magnetic separation rollers 7 to adsorb the screened iron powder. The second spring 19 in the second circular groove 18 on the T-shaped fixing block 16 cooperates with the movable rod 20 to drive the arc-shaped end face of the strip-shaped scraper 21 to always be in contact with the arc-shaped end face of the magnetic separation roller 7, effectively scraping the adsorbed iron powder, improving the scraping effect while providing buffer protection for the strip-shaped scraper 21 and extending the service life of the strip-shaped scraper 21, so that the iron powder is discharged along the number of sieve plates 5 and the discharge port 14. The impurities screened out by the number of sieve plates 5 are recovered along the arc-shaped bottom of the chamber 2 in cooperation with the discharge port 14 and the uncovered aggregate trough 15, improving the screening and impurity removal effect of the iron powder and the impurities.

[0026] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. An impurity removal device for iron powder production, comprising a body (1), characterized in that: A vibration mechanism is provided at the lower end of the machine body (1), a chamber (2) is provided in the machine body (1), a feed trough (3) is provided on the left inner wall of the chamber (2), a sealing cover (4) is rotatably hinged on the upper end of the feed trough (3), a plurality of sieve plates (5) are fixedly connected to the inner walls on both sides of the chamber (2) and are staggered and inclined, the bottom of the chamber (2) is arranged in an arc shape, a discharge port (6) is provided on the left inner wall of the chamber (2) near the bottom of the arc shape, the lowermost sieve plate (5) is arranged through the discharge port (6), a plurality of magnetic separation rollers (7) are horizontally rotatably penetrated on the inner walls on both sides of the chamber (2), the plurality of magnetic separation rollers (7) are respectively distributed on the left and right sides of the chamber (2) and are located between two adjacent sieve plates (5), and a cleaning mechanism is provided on the inclined lower end surfaces of the plurality of sieve plates (5).

2. The impurity removal equipment for iron powder production according to claim 1, characterized in that: The vibration mechanism comprises a fixing seat (8) arranged below the machine body (1); the upper end of the fixing seat (8) is fixedly connected to a plurality of supporting piles (9); the plurality of supporting piles (9) are arranged in a circumferential distribution at equal intervals; the upper ends of the plurality of supporting piles (9) are each provided with a first circular groove (10); the bottoms of the plurality of first circular grooves (10) are each fixedly connected to a telescopic rod (11) and a first spring (12); the plurality of first springs (12) are respectively sleeved on the plurality of telescopic rods (11); the upper ends of the plurality of telescopic rods (11) and the first springs (12) are fixedly connected to the lower end of the machine body (1); and two vibration motors (13) are fixedly mounted on the lower end of the machine body (1); the two vibration motors (13) are located between the plurality of supporting piles (9) and are arranged opposite to each other.

3. The impurity removal equipment for iron powder production according to claim 2, characterized in that: A discharge port (14) is provided at the center of the arc-shaped bottom of the chamber (2), and an uncovered material collection trough (15) is placed at the upper end of the fixed seat (8), and the uncovered material collection trough (15) is arranged opposite to the discharge port (14).

4. The impurity removal equipment for iron powder production according to claim 1, characterized in that: The scraping mechanism comprises two T-shaped fixing blocks (16) arranged on the inclined lower end surface of the sieve plate (5) close to the magnetic separation roller (7), the two T-shaped fixing blocks (16) being respectively arranged close to the front and rear end side walls of the sieve plate (5), a plurality of bolts (17) passing through the horizontal sections of the two T-shaped fixing blocks (16), the plurality of bolts (17) being fixedly connected to the sieve plate (5), and a second circular groove (18) being arranged on the side walls of the two T-shaped fixing blocks (16) facing the magnetic separation roller (7), the two second circular grooves (18) are fixedly connected to the inner wall away from the magnetic separation roller (7) with a second spring (19), and one end of the two second springs (19) away from the inner wall of the second circular groove (18) is fixedly connected to a movable rod (20), and one end of the two movable rods (20) away from the T-shaped fixed block (16) is fixedly connected to the same strip scraper (21), and the strip scraper (21) is provided with an arc end surface on the side wall facing the magnetic separation roller (7), and the arc end surface on the strip scraper (21) is arranged in close contact with the annular side wall of the magnetic separation roller (7).

5. The impurity removal equipment for iron powder production according to claim 4, characterized in that: One end of the movable rod (20) located outside the second circular groove (18) is fixedly sleeved with a sealing ring (22), and the sealing ring (22) is fixedly connected to the side wall of the T-shaped fixing block (16) facing the magnetic separation roller (7).

6. The impurity removal equipment for iron powder production according to claim 5, characterized in that: The material of the strip scraper (21) is wear-resistant alloy, and the material of the sealing ring (22) is corrosion-resistant rubber.

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