CN215464702U

CN215464702U - Broken sorting unit of vanadium sediment for steelmaking

Info

Publication number: CN215464702U
Application number: CN202121248912.2U
Authority: CN
Inventors: 董春彬
Original assignee: Yunnan Qujing Iron And Steel Group Fenghuang Iron And Steel Co ltd
Current assignee: Yunnan Qujing Iron And Steel Group Fenghuang Iron And Steel Co ltd
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2022-01-11
Anticipated expiration: 2031-06-05

Abstract

The utility model discloses a crushing and sorting device of vanadium slag for steelmaking, which comprises a vanadium slag bin and a first screening mechanism, wherein a first aggregate hopper and a first discharging pipe are arranged below the first screening mechanism, a crusher is arranged below the lower end of the first screening mechanism, a second screening mechanism is arranged below the crusher, a second aggregate hopper and a second discharging pipe are arranged below the second screening mechanism, a belt magnetic separator is respectively arranged below the first discharging pipe and the second discharging pipe, a coarse aggregate hopper and a fourth discharging pipe are arranged below the lower end of the second screening mechanism, a belt conveyor is arranged below the third discharging pipe and the fourth discharging pipe, and a ball mill and a vibrating screen are arranged below the belt conveyor. The utility model has the advantages of good crushing effect, high working efficiency, thorough iron removal and obvious economic and social values.

Description

Broken sorting unit of vanadium sediment for steelmaking

Technical Field

The utility model relates to the technical field of steelmaking equipment, in particular to a vanadium slag crushing and sorting device for steelmaking.

Background

The vanadium-containing steel has the excellent characteristics of high strength, high toughness, good wear resistance and the like, and is widely applied to the industries of machinery, automobiles, shipbuilding, railways, aviation, bridges and the like, while steel works need to add ferrovanadium or vanadium oxide into the steel for vanadium alloying when smelting the vanadium-containing steel, but because the ferrovanadium and the vanadium oxide are expensive and difficult to be widely applied for direct alloying by using the vanadium slag, the vanadium slag is a slag which is blown and oxidized by a converter into vanadium-containing oxide and iron oxide and contains components such as iron oxide, silicon oxide, vanadium oxide, manganese oxide, titanium oxide and the like, the content of each component is unstable, when adding the vanadium-containing steel into the converter for steelmaking, the quality of the vanadium-containing steel is difficult to ensure, so the vanadium slag needs to be treated, crushed and separated for iron removal, the vanadium slag with relatively stable content is obtained, and the smelting quality of the vanadium-containing steel is improved. At present, when handling vanadium slag, all carry out once breakage usually, crushing effect is general, and collect the fritter vanadium slag after the breakage and move to special deironing device in, the operation is comparatively loaded down with trivial details, and treatment efficiency is not high, is difficult to satisfy the processing demand of big batch ferrovanadium, and secondly, the less iron of granularity in the vanadium slag removes unclean, influences the subsequent use of vanadium slag. Therefore, the development of the crushing and sorting device for vanadium slag for steelmaking, which has the advantages of good crushing effect, high working efficiency and thorough iron removal, is objectively needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a crushing and sorting device for vanadium slag for steelmaking, which has the advantages of good crushing effect, high working efficiency and thorough iron removal.

The utility model aims to realize the purpose, which comprises a vanadium slag bin and a first screening mechanism which is arranged in an inclined way, wherein a discharge port of the vanadium slag bin is positioned above the higher end of the first screening mechanism, a first aggregate bin is arranged below the first screening mechanism, a first discharge pipe is arranged at the lower end of the first aggregate bin, a crusher is arranged below the lower end of the first screening mechanism, a second screening mechanism is arranged below the crusher in an inclined way, the structure of the second screening mechanism is the same as that of the first screening mechanism, the discharge port of the crusher is positioned above the higher end of the second screening mechanism, a second aggregate bin is arranged below the second screening mechanism, a second discharge pipe is arranged at the lower end of the second aggregate bin, a belt magnetic separator is respectively arranged below the first discharge pipe and the second discharge pipe, the two belt magnetic separators are positioned at the same height and are arranged oppositely in the conveying direction, the below of every belt magnet separator all is provided with first storage iron bin, below between two belt magnet separator unloading ends is provided with the iron-containing material hopper, the lower extreme of iron-containing material hopper is provided with the third unloading pipe, the below of the lower end of second screening mechanism is provided with the coarse fodder hopper, the lower extreme of coarse fodder hopper is provided with the fourth unloading pipe, the below of third unloading pipe and fourth unloading pipe is provided with belt conveyor, belt conveyor's below is provided with the ball mill, belt conveyor's unloading end and the feed inlet intercommunication of ball mill, the discharge gate of ball mill is provided with the shale shaker, the coarse fodder exit linkage of shale shaker has the second to store up the iron bin, the thin material exit linkage of shale shaker has vanadium powder feed bin.

Furthermore, dust collection covers are arranged above the first screening mechanism, the second screening mechanism and the vibrating screen, an exhaust fan is arranged in each dust collection cover, and the top of each dust collection cover is connected with the dust remover through a conveying pipe.

Further, first screening mechanism includes the frame that is surrounded by four straight-bars end to end in proper order, the frame is the rectangle structure, the cover that slides on the straight-bar of the higher end of frame and lower end is equipped with the sleeve pipe, equidistant between two sleeve pipes is provided with many slide bars, be located and be provided with the round bar on two slide bars in the outside, the tip of round bar passes the outside that is located the frame behind the frame, be provided with reset spring on the round bar between frame and slide bar, one side of frame is provided with the motor, be provided with the cam on the output shaft of motor, the tip of one of them round bar supports on the rim of cam.

Furthermore, crushing rollers are arranged inside the first blanking pipe and the second blanking pipe.

Furthermore, the bulk cargo mechanism is arranged below the first blanking pipe and the second blanking pipe and comprises bulk cargo plates and vibrators, the bulk cargo plates are obliquely arranged, the higher ends of the bulk cargo plates are hinged to the first blanking pipe and the second blanking pipe, the lower ends of the bulk cargo plates are arranged in a hanging mode, the vibrators are installed on the lower surfaces of the bulk cargo plates, and the upper surfaces of the bulk cargo plates are connected with the first blanking pipe and the second blanking pipe through expansion springs.

When the vanadium slag for steelmaking is treated, the vanadium slag is discharged from a vanadium slag bin, firstly, the vanadium slag is subjected to first screening in a first screening mechanism, fine materials fall into a first aggregate hopper, meanwhile, coarse materials fall into a crusher for first crushing, the crushed vanadium slag falls into a second screening mechanism for second screening, fine materials fall into a second aggregate hopper, coarse materials fall into a coarse material hopper, then the fine materials in the first aggregate hopper and the second aggregate hopper fall onto a corresponding belt magnetic separator, after the first magnetic separation, bright iron in the vanadium slag falls into a corresponding first iron storage bin, the residual vanadium slag falls into an iron-containing material hopper, the vanadium slag in the iron-containing material hopper and the coarse material hopper simultaneously fall onto the belt conveyor, the belt conveyor conveys the vanadium slag to a ball mill for grinding treatment, the vanadium slag is ground into vanadium powder and iron particles with slightly large particles, the vanadium slag is screened by a vibrating screen, wherein the iron particles can not permeate the sieve pores of the vibrating screen and fall into the second iron storage bin, and the undersize of the vibrating screen is vanadium powder and falls into the vanadium powder bin. In conclusion, when the vanadium slag is treated, the vanadium slag is screened for three times and crushed for two times, and the belt type magnetic separator is combined, so that the iron in the vanadium slag can be gradually separated while the crushing effect is good, and the iron removal capacity and the separation effect are good; secondly, the operation of whole device can automatic operation, need not transport the material midway, and degree of automation is higher, and work efficiency is higher, can be continuous handle the vanadium slag. The utility model has the advantages of good crushing effect, high working efficiency, thorough iron removal and obvious economic and social values.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a first screening mechanism according to the present invention;

in the figure: 1-vanadium slag bin, 2-first screening mechanism, 3-first gathering hopper, 4-first discharging pipe, 5-crusher, 6-second screening mechanism, 7-second gathering hopper, 8-second discharging pipe, 9-belt magnetic separator, 10-first iron storage bin, 11-iron-containing material bin, 12-third discharging pipe, 13-coarse material bin, 14-fourth discharging pipe, 15-belt conveyor, 16-ball mill, 17-vibrating screen, 18-second iron storage bin, 19-vanadium powder bin, 20-dust collection cover, 21-suction fan, 22-conveying pipe, 23-dust remover, 24-outer frame, 25-sleeve, 26-sliding rod, 27-round rod, 28-return spring, 29-motor, 30-cam, 31-crushing roller, 32-bulk material plate, 33-vibrator and 34-expansion spring.

Detailed Description

The present invention is further described with reference to the drawings, but the present invention is not limited thereto in any way, and any modification or improvement based on the present invention is within the protection scope of the present invention.

As shown in figures 1-2, the utility model comprises a vanadium slag bin 1 and a first screening mechanism 2 which is obliquely arranged, wherein the first screening mechanism 2 is obliquely arranged, a discharge port of the vanadium slag bin 1 is positioned above the higher end of the first screening mechanism 2, a first aggregate bin 3 is arranged below the first screening mechanism 2, a first blanking pipe 4 is arranged at the lower end of the first aggregate bin 3, a crusher 5 is arranged below the lower end of the first screening mechanism 2, a second screening mechanism 6 is obliquely arranged below the crusher 5, the structure of the second screening mechanism 6 is the same as that of the first screening mechanism 2, the discharge port of the crusher 5 is positioned above the higher end of the second screening mechanism 6, a second aggregate bin 7 is arranged below the second screening mechanism 6, a second blanking pipe 8 is arranged below the second aggregate bin 7, a belt type magnetic separator 9 is respectively arranged below the first blanking pipe 4 and the second blanking pipe 8, the two belt magnetic separators 9 are positioned at the same height, the conveying directions of the two belt magnetic separators 9 are opposite, a first iron storage bin 10 is arranged below each belt magnetic separator 9, an iron-containing material hopper 11 is arranged below the space between the discharging ends of the two belt magnetic separators 9, a third discharging pipe 12 is arranged at the lower end of the iron-containing material hopper 11, a coarse material hopper 13 is arranged below the lower end of the second screening mechanism 6, a fourth discharging pipe 14 is arranged at the lower end of the coarse material hopper 13, belt conveyors 15 are arranged below the third discharging pipe 12 and the fourth discharging pipe 14, a ball mill 16 is arranged below each belt conveyor 15, the discharging end of each belt conveyor 15 is communicated with the feeding port of the ball mill 16, a vibrating screen 17 is arranged at the discharging port of the ball mill 16, a second iron storage bin 18 is connected to the coarse material outlet of the vibrating screen 17, a vanadium powder bin 19 is connected to the fine material outlet of the vibrating screen 17, and the crusher 5, The belt magnetic separator 9, the belt conveyor 15, the ball mill 16 and the vibrating screen 17 are all existing equipment and can be selected as required.

When the vanadium slag for steelmaking is treated, the vanadium slag is discharged from a vanadium slag bin 1, first screening is carried out in a first screening mechanism 2, fine materials fall into a first aggregate hopper 3, meanwhile, coarse materials fall into a crusher 5 for first crushing, the crushed vanadium slag falls into a second screening mechanism 6 for second screening, the fine materials fall into a second aggregate hopper 7, the coarse materials fall into a coarse material hopper 13, then the fine materials in the first aggregate hopper 3 and the second aggregate hopper 7 fall onto a corresponding belt magnetic separator 9, after first magnetic separation, iron contained in the vanadium slag comprises open iron and iron-containing materials, the open iron in the vanadium slag falls into a corresponding first iron storage bin 10, the residual vanadium slag falls into an iron-containing material hopper 11, the vanadium slag in the iron-containing material hopper 11 and the coarse material hopper 13 falls onto a belt conveyor 15 at the same time, and the conveyor 15 sends the vanadium slag to a belt ball mill 16 for grinding treatment, the vanadium slag is ground into vanadium powder and iron particles with larger particles, the vanadium powder and the iron particles are screened by a vibrating screen 17, the iron particles cannot penetrate through the screen holes of the vibrating screen 17 and fall into a second iron storage bin 18, and the undersize of the vibrating screen 17 is vanadium powder and falls into a vanadium powder bin 19. In conclusion, when the vanadium slag is treated, the vanadium slag is screened for three times and crushed for two times, and the belt type magnetic separator 9 is combined, so that the iron in the vanadium slag can be gradually separated while the crushing effect is good, and the iron removal capacity and the separation effect are good; secondly, the operation of whole device can automatic operation, need not transport the material midway, and degree of automation is higher, and work efficiency is higher, can be continuous handle the vanadium slag, can obtain the content relatively stable after carrying out broken the sorting to the vanadium slag through this device, and the vanadium slag that does not contain iron improves the smelting quality that contains vanadium steel.

In order to protect the surrounding environment, dust collection covers 20 are arranged above the first screening mechanism 2, the second screening mechanism 6 and the vibrating screen 17, an exhaust fan 21 is arranged in each dust collection cover 20, the top of each dust collection cover 20 is connected with a dust remover 23 through a conveying pipe 22, when the first screening mechanism 2, the second screening mechanism 6 and the vibrating screen 17 operate, a large amount of dust is inevitably generated, the surrounding environment is easily polluted, and the health of workers is threatened, so that the generated dust can be prevented from being polluted by the exhaust fan 21

The dust is extracted in time and is simultaneously carried out at multiple points, and the dust generated in each process is collected into the dust remover 23 for unified treatment.

First screening mechanism 2 includes frame 24 that is enclosed and forms by four straight-bars end to end in proper order, frame 24 is the rectangle structure, sliding sleeve is equipped with sleeve pipe 25 on the straight-bar of the higher end of frame 24 and lower end, equidistant many slide bars 26 that are provided with between two sleeve pipes 25, be provided with round bar 27 on two slide bars 26 that are located the outside, the outside that is located frame 24 after frame 24 is passed to the tip of round bar 27, be provided with reset spring 28 on round bar 27 between frame 24 and slide bar 26, one side of frame 24 is provided with motor 29, be provided with cam 30 on motor 29's the output shaft, the tip of one of them round bar 27 supports on cam 30's rim, first screening mechanism 2's theory of operation is as follows: starting motor 29, motor 29 drives cam 30 and rotates, because the tip of round bar 27 supports on cam 30, so when cam 30 rotated, will force round bar 27 to carry out the ascending reciprocating motion that makes a round trip of straight line direction, can drive slide bar 26 and make a round trip reciprocating motion, when the vanadium slag fell into slide bar 26, the granule wherein will fall from the clearance between two adjacent slide bars 26, reach the mesh of screening, and can effectively prevent piling up and blockking up of vanadium slag on slide bar 26, ensure that first screening mechanism 2 can long-term normal operating.

The inside of first unloading pipe 4 and second unloading pipe 8 is provided with crushing roller 31, and crushing roller 31 is current structure for carry out crushing treatment to the vanadium sediment, make the vanadium sediment breakage become littleer granule, the subsequent magnetic separation of being convenient for is handled, further reduces follow-up ball mill 16's work load simultaneously, improves ball mill 16's work efficiency.

In order to improve the magnetic separation efficiency and the magnetic separation effect of the belt type magnetic separator 9, bulk material mechanisms are arranged below the first blanking pipe 4 and the second blanking pipe 8 respectively, each bulk material mechanism comprises a bulk material plate 32 and a vibrator 33, the bulk material plates 32 are obliquely arranged, the higher ends of the bulk material plates 32 are hinged to the first blanking pipe 4 and the second blanking pipe 8, the lower ends of the bulk material plates are arranged in a suspended manner, the vibrators 33 are arranged on the lower surfaces of the bulk material plates 32, the upper surfaces of the bulk material plates 32 are connected with the first blanking pipe 4 and the second blanking pipe 8 through expansion springs 34, when vanadium slag falls from the first blanking pipe 4 and the second blanking pipe 8, the vanadium slag falls on the bulk material plates 32 firstly, the bulk material plates 32 are pressed down due to the action of gravity, the expansion springs 34 extend, then, the expansion springs 34 can reset, vanadium slag is thrown out in the resetting process, meanwhile, vibration generated by the vibrators 33 can be transmitted to the vanadium slag to force the vanadium slag to be dispersed, under above-mentioned two kinds of effects, vanadium sediment can be comparatively even dispersion to belt magnet separator 9 on to improve its magnetic separation efficiency, prevent that the vanadium sediment from piling up and influencing the magnetic separation effect.

Claims

1. The utility model provides a broken sorting unit of vanadium slag for steelmaking which characterized in that: comprises a vanadium slag bin (1) and a first screening mechanism (2) which is obliquely arranged, wherein a discharge port of the vanadium slag bin (1) is positioned above the higher end of the first screening mechanism (2), a first gathering hopper (3) is arranged below the first screening mechanism (2), a first discharging pipe (4) is arranged at the lower end of the first gathering hopper (3), a crusher (5) is arranged below the lower end of the first screening mechanism (2), a second screening mechanism (6) is obliquely arranged below the crusher (5), the structure of the second screening mechanism (6) is the same as that of the first screening mechanism (2), the discharge port of the crusher (5) is positioned above the higher end of the second screening mechanism (6), a second gathering hopper (7) is arranged below the second screening mechanism (6), and a second discharging pipe (8) is arranged at the lower end of the second gathering hopper (7), the device is characterized in that a belt type magnetic separator (9) is arranged below each of the first discharging pipe (4) and the second discharging pipe (8), the two belt type magnetic separators (9) are located at the same height, the conveying directions of the two belt type magnetic separators are oppositely arranged, a first iron storage bin (10) is arranged below each belt type magnetic separator (9), an iron-containing material hopper (11) is arranged below the space between the discharging ends of the two belt type magnetic separators (9), a third discharging pipe (12) is arranged at the lower end of the iron-containing material hopper (11), a coarse material hopper (13) is arranged below the lower end of the second screening mechanism (6), a fourth discharging pipe (14) is arranged at the lower end of the coarse material hopper (13), a belt type conveyor (15) is arranged below the third discharging pipe (12) and the fourth discharging pipe (14), a ball mill (16) is arranged below the belt type conveyor (15), and the discharging end of the belt type conveyor (15) is communicated with the feeding hole of the ball mill (16), a discharge hole of the ball mill (16) is provided with a vibrating screen (17), a coarse material outlet of the vibrating screen (17) is connected with a second iron storage bin (18), and a fine material outlet of the vibrating screen (17) is connected with a vanadium powder bin (19).

2. The crushing and sorting device of vanadium slag for steelmaking according to claim 1, wherein dust collection covers (20) are arranged above the first screening mechanism (2), the second screening mechanism (6) and the vibrating screen (17), an extraction fan (21) is arranged in each dust collection cover (20), and the top of each dust collection cover (20) is connected with a dust remover (23) through a conveying pipe (22).

3. The crushing and sorting device of vanadium slag for steelmaking as claimed in claim 1, wherein: the first screening mechanism (2) comprises an outer frame (24) which is formed by sequentially connecting four straight rods end to end in a surrounding manner, the outer frame (24) is of a rectangular structure, sleeves (25) are sleeved on the straight rods at the higher end and the lower end of the outer frame (24) in a sliding manner, a plurality of sliding rods (26) are arranged between the two sleeves (25) at equal intervals, round rods (27) are arranged on the two outermost sliding rods (26), the end part of the round rod (27) passes through the outer frame (24) and then is positioned at the outer side of the outer frame (24), a return spring (28) is arranged on a round rod (27) between the outer frame (24) and the sliding rod (26), a motor (29) is arranged on one side of the outer frame (24), a cam (30) is arranged on an output shaft of the motor (29), one of the rods (27) has its end abutting against the rim of the cam (30).

4. The device for crushing and sorting vanadium slag for steelmaking as claimed in claim 1, wherein crushing rollers (31) are provided inside the first discharging pipe (4) and the second discharging pipe (8).

5. The crushing and sorting device of vanadium slag for steelmaking according to claim 1, characterized in that a material scattering mechanism is arranged below each of the first discharging pipe (4) and the second discharging pipe (8), the material scattering mechanism comprises a material scattering plate (32) and a vibrator (33), the material scattering plate (32) is arranged obliquely, the higher end of the material scattering plate (32) is hinged to the first discharging pipe (4) and the second discharging pipe (8), the lower end of the material scattering plate is arranged in a suspended manner, the vibrator (33) is installed on the lower surface of the material scattering plate (32), and the upper surface of the material scattering plate (32) is connected with the first discharging pipe (4) and the second discharging pipe (8) through a telescopic spring (34).