CN221017351U

CN221017351U - Reducing agent screening device in ferrosilicon smelting process

Info

Publication number: CN221017351U
Application number: CN202322757776.5U
Authority: CN
Inventors: 张洋
Original assignee: Ningxia Zhongbo Supply Chain Co ltd
Current assignee: Ningxia Zhongbo Supply Chain Co ltd
Priority date: 2023-10-13
Filing date: 2023-10-13
Publication date: 2024-05-28
Anticipated expiration: 2033-10-13

Abstract

The utility model provides a reducing agent screening device in a ferrosilicon smelting process, which comprises a support and a screen box, wherein the support is connected with the screen box through a shock absorber, a vibrator is fixedly arranged on the support, a feed inlet is formed in one side of the top surface of the screen box, a hopper is communicated with the upper side of the feed inlet, an adjusting component is arranged at the bottom of the hopper, a first screen plate and a second screen plate are fixedly arranged in the screen box, one end of the first screen plate is fixedly arranged on one side close to the feed inlet, the other end of the first screen plate extends downwards in a tilting manner towards one side far away from the feed inlet, the second screen plate is fixedly arranged below the first screen plate in a tilting manner, the tilting direction of the second screen plate is opposite to that of the first screen plate, an ash collecting plate is further arranged between the first screen plate and the second screen plate, and a first discharging channel and a second discharging channel are formed in one side of the screen box. According to the utility model, the material is prevented from piling up by the adjusting component, insufficient screening of the material is avoided, and meanwhile, the material is screened twice in the screening box, so that the screening of the material is more thorough and cleaner.

Description

Reducing agent screening device in ferrosilicon smelting process

Technical Field

The utility model relates to the technical field of ferrosilicon smelting equipment, in particular to a reducing agent screening device in the ferrosilicon smelting process.

Background

Ferrosilicon is an iron-silicon alloy prepared by smelting coke, steel scraps and quartz (or silica) as raw materials, and silicon and oxygen are easy to synthesize into silicon dioxide, so that the ferrosilicon is often used as a deoxidizer in steelmaking, and can be used as an alloying element additive to be widely applied to low alloy structural steel, spring steel and bearing steel, and is often used as a reducing agent in ferroalloy production and chemical industry.

The quality of the carbon reducing agent in the silicon smelting production process directly affects the cost control and the operation environment of the production process, and the granularity of the coke reducing agent is easily damaged in the production and transportation processes, so that more powder is produced. Therefore, the method can screen the carbon raw materials entering the furnace, thereby achieving the purposes of saving energy, reducing consumption and realizing clean production.

At present, most of screening of carbon reducing agents adopts manual screen screening, the manual screening mode consumes large labor intensity, the working efficiency is low, the mechanical vibrating screen is partially adopted for screening, the materials on the screen plate accumulate too much and the material sliding path is relatively short during screening, and more carbon powder is mixed in the screened coke to influence the quality of the coke.

Disclosure of utility model

The utility model mainly aims to provide a reducing agent screening device in the ferrosilicon smelting process; the method solves the problems that the quality of the coke is affected by more mixed carbon powder in the screened coke in the prior art.

In order to solve the problems, the utility model adopts the following technical scheme:

The utility model provides a reductant screening plant in ferrosilicon smelting process, includes the support, sets up the sieve case of support top, the support with the sieve case is connected through the shock absorber, set firmly the vibrator on the support, top surface one side of sieve case is provided with the feed inlet, the top intercommunication of feed inlet is provided with the hopper, the bottom of hopper is provided with the adjusting part that is used for adjusting material whereabouts quantity, first sieve and second sieve have been set firmly in the sieve case, the one end of first sieve is fixed to be set up in being close to one side of feed inlet, the other end of first sieve is kept away from to one side downward sloping extension of feed inlet, the slope of second sieve is fixed to be set up the below of first sieve, just the incline direction of second sieve with the incline direction of first sieve is opposite, first sieve with still be equipped with between the second and be used for accepting the dust collection ash board of first interior sieve, one side of sieve case has been seted up and has been used for discharging first passageway and the second material passageway of collection ash board and second sieve on the second sieve.

Further, a main discharging channel is arranged on one side of the lower portion of the screen box, one end of the ash collecting plate is fixedly arranged at the bottom end of the first screen plate, the other end of the ash collecting plate extends towards the inside of the main discharging channel, and the discharging channel is divided into the first discharging channel and the second discharging channel.

Further, a discharging channel is arranged at one side, close to the feeding port, of the bottom of the hopper, the discharging channel is communicated with the feeding port, a feeding port is arranged at one side, far away from the discharging channel, of the top surface of the hopper, and the bottom surface of the hopper is an inclined surface inclined from the direction of the feeding port to the direction of the discharging channel.

Further, the adjusting component comprises a baffle plate which is arranged above the screen box and used for adjusting the falling quantity of materials, one side of the baffle plate penetrates through the side wall of the discharging channel to extend towards the inside of the discharging channel, and the other side of the baffle plate is connected with a power part which is used for driving the baffle plate to move towards the direction close to or far away from the discharging channel.

Further, the striker plate comprises a transverse plate and a vertical plate, wherein the top surface of the vertical plate is fixedly arranged at one end of the transverse plate away from the discharging channel, and the bottom end of the vertical plate is in sliding connection with the top surface of the screen box.

Further, the top surface of sieve is provided with the slide rail, the length direction of slide rail with the direction of movement of striker plate is parallel, the bottom surface of riser be equipped with slide rail looks adaptation spout, and with slide rail sliding connection.

Further, the movable block is fixedly arranged on the vertical plate, the power part comprises a screw rod and a first motor, the first motor is fixedly arranged on the top surface of the screen box, one end of the screw rod is fixedly connected with the output end of the first motor, the other end of the screw rod penetrates through the movable block to be rotationally connected with the discharging channel, and the screw rod is in threaded connection with the movable block.

Further, a support column for supporting the hopper is arranged on one side, close to the feed inlet, of the top surface of the screen box.

Further, a cover plate for opening or closing the hopper is arranged above the feeding port.

Further, a third discharging channel for discharging dust in the screen box is formed in the bottom of the screen box.

The beneficial effects of the utility model are as follows:

1. The falling quantity of materials in the hopper is controlled through the adjusting component, so that the materials are prevented from accumulating, and insufficient screening of the materials is caused; the first sieve plate and the second sieve plate are arranged in the sieve box, and the material is more thoroughly and cleanly sieved after twice sieving;

2. Through setting up first sieve and second sieve slope for the material fully disperses when falling down from the upper end of first sieve, forms thin material layer, further forms thinner material layer at the vibration in-process of vibrator, improves screening efficiency, guarantees coke quality simultaneously.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a perspective view of a reductant screening device in a ferrosilicon smelting process of the present utility model;

FIG. 2 is a side view of a reductant screening device in a ferrosilicon smelting process of the present utility model;

FIG. 3 is a schematic diagram of the internal structure of a reducing agent screening device in the ferrosilicon smelting process of the utility model;

fig. 4 is an enlarged view of a portion a of fig. 2.

Description of the reference numerals

1. A support; 2. a screen box; 21. a feed inlet; 22. a first screen plate; 23. a second screen plate; 24. an ash collecting plate; 25. a main discharge channel; 251. a first discharge channel; 252. a second discharge channel; 26. a third discharge channel; 27. a slide rail; 3. a shock absorber; 4. a vibrator; 5. a hopper; 51. a discharge channel; 52. a feed port; 53. a cover plate; 6. an adjustment assembly; 61. a striker plate; 611. a cross plate; 612. a riser; 613. a moving block; 62. a first motor; 63. a screw; 7. and (5) supporting the column.

Detailed Description

The technical solutions in the embodiments of the present utility model are clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1 to 4, a reducing agent screening device in a ferrosilicon smelting process includes a support 1, a screen box 2, a hopper 5, a damper 3 and a vibrator 4, wherein the screen box 2 is used for screening materials, the screen box 2 is fixedly arranged above the support 1 through the damper 3, the damper 3 is a spring damper 3 in the present embodiment, and the vibration 4 is used for vibrating the screen box 2 to screen the materials, which is not described herein.

The sieve case 2 is inside hollow rectangle box, and top surface one side of sieve case 2 is provided with feed inlet 21, and the bottom and the feed inlet 21 intercommunication of hopper 5, the top intercommunication of feed inlet 21 promptly is provided with hopper 5, and in this embodiment, the bottom of hopper 5 is close to one side of feed inlet 21 and is provided with row material passageway 51, and row material passageway 51 is linked together with feed inlet 21, and one side that row material passageway 51 was kept away from to the top surface of hopper 5 is provided with feed inlet 52, and the bottom surface of hopper 5 is the inclined plane that inclines to row material passageway 51 direction from feed inlet 52 direction. By setting the bottom surface of the hopper 5 to be inclined surface inclined to the direction of the discharge passage 51, the flow of the material to the discharge passage 51 is facilitated. Preferably, a support column 7 for supporting the hopper 5 is provided on a side of the top surface of the screen box 2 near the feed port 52 to increase the strength of the hopper 5 and prevent the hopper 5 from being damaged due to long-time vibration. Further, a cover plate 53 for opening or closing the hopper 5 is arranged above the feed inlet 52, so that dust generated during screening of the screen box 2 is prevented from being directly scattered into the air, environmental pollution is avoided, the health of staff is protected, and the possibility of occupational diseases is reduced.

The inside first sieve 22, second sieve 23 and dust collecting plate 24 that has set firmly of sieve case 2, wherein the one end of first sieve 22 is fixed to be set up in the one side that is close to feed inlet 21, the other end of first sieve 22 is to the one side downward sloping extension that keeps away from feed inlet 21, the fixed below that sets up of second sieve 23 slope, and the incline direction of second sieve 23 is opposite with the incline direction of first sieve 22, dust collecting plate 24 sets up between first sieve 22 and second sieve 23, be used for accepting the dust that sieves in the first sieve 22, in this embodiment, one side of the lower part of sieve case 2 is provided with main discharge channel 25, the one end of dust collecting plate 24 is fixed to be set up in the bottom of first sieve 22, the other end of dust collecting plate 24 extends to main discharge channel 25 is inside, and separate main discharge channel 25 into first discharge channel 251 and second discharge channel 252, wherein first discharge channel 251 and second discharge channel 252 are used for discharging the material on dust collecting plate 24 and the second sieve 23 respectively. The bottom of the screen box 2 is provided with a third discharging channel 26 for discharging dust in the screen box 2.

During implementation, the staff pours the material into the hopper 5, start the vibrator 4 after closing the apron 53 of hopper 5, the vibrator 4 drives sieve case 2 and hopper 5 vibration, the material is discharged to first sieve 22 through the row material passageway 51 of hopper 5, the material that the screen of passing through first sieve 22 drops to second sieve 23, the dust that screens out through first sieve 22 is discharged through first discharge channel 251 after collecting the grey board 24, the second sieve 23 is discharged through second discharge channel 252 after further screening the dust that remains in the material, and the dust of sieve case 2 bottom is discharged through third discharge channel 26. By arranging the first screen plate 22 and the second screen plate 23 obliquely, the materials are sufficiently dispersed when sliding down from the upper end of the first screen plate 22, a thin material layer is formed, and in the vibration process of the vibrator 4, a thinner material layer is further formed. Through the two screening of first sieve 22 and second sieve 23, be favorable to the more thoroughly cleaner of material screening.

The bottom of hopper 5 is provided with the adjusting part 6 that is used for adjusting material whereabouts quantity, and adjusting part 6 includes striker plate 61, power portion, and striker plate 61 is used for adjusting material whereabouts quantity, sets up in the top of sieve case 2, and the lateral wall that row's material passageway 51 was passed to one side of striker plate 61 extends to row's material passageway 51 inside, and power portion is connected with the opposite side of striker plate 61 for drive striker plate 61 and move to being close to or keeping away from row's material passageway 51 direction. In this embodiment, the striker plate 61 includes a cross plate 611 and a vertical plate 612, wherein the top surface of the vertical plate 612 is fixedly disposed at one end of the cross plate 611 far away from the discharge channel 51, and the bottom end of the vertical plate 612 is slidably connected with the top surface of the screen box 2. Preferably, the top surface of the screen box 2 is provided with a sliding rail 27, the length direction of the sliding rail 27 is parallel to the moving direction of the striker plate 61, and the bottom surface of the riser 612 is provided with a sliding groove (not shown in the figure) adapted to the sliding rail 27 and is slidably connected to the sliding rail 27. In this embodiment, a moving block 613 is fixedly arranged on the vertical plate 612, the power portion comprises a screw 63 and a first motor 62, the first motor 62 is fixedly arranged on the top surface of the screen box 2, one end of the screw 63 is fixedly connected with the output end of the first motor 62, the other end of the screw 63 passes through the moving block 613 to be rotationally connected with the discharge channel 51, and the screw 63 is in threaded connection with the moving block 613.

When the control assembly 6 is operated, a worker starts the first motor 62, the output end of the first motor 62 drives the screw 63 to rotate forward or reversely, and at the moment, the moving block 613 screwed with the screw 63 drives the baffle plate 61 to move towards the direction close to or far away from the discharge channel 51 along with the rotation of the screw 63, and the size of the discharge space of the discharge channel 51 to the sieve box 2 is controlled by the depth of the baffle plate 61 extending into the discharge channel 51, so that the discharge quantity of materials in the hopper 5 to the sieve box 2 is controlled. Through the quantity of discharging of the material in the control hopper 5 to the sieve case 2, namely the whereabouts quantity of the material in the control hopper 5, prevent that the material from piling up on first sieve 22 and second sieve 23, lead to the insufficient problem of screening, drive striker plate 61 reciprocating motion through first motor 62 simultaneously, can avoid discharging channel 51 to block.

The foregoing description is only of the preferred embodiments of the utility model, and it is apparent that the embodiments described are merely some, but not all, of the embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims

1. The utility model provides a reducing agent screening plant in ferrosilicon smelting process, includes support (1), sets up sieve case (2) of support (1) top, support (1) with sieve case (2) are connected through shock absorber (3), set firmly vibrator (4) on support (1), its characterized in that, top surface one side of sieve case (2) is provided with feed inlet (21), the top intercommunication of feed inlet (21) is provided with hopper (5), the bottom of hopper (5) is provided with adjusting component (6) that are used for adjusting material whereabouts quantity, sieve case (2) interior set firmly first sieve (22) and second sieve (23), the one end of first sieve (22) is fixed to be set up in being close to one side of feed inlet (21), the other end of first sieve (22) is to keeping away from one side downward sloping extension of feed inlet (21), second sieve (23) slope set up in the below of first (22), and second sieve (23) top intercommunication is provided with adjusting component (6) that are used for adjusting the material whereabouts quantity, first sieve (22) and second sieve (22) are equipped with in the direction of slope direction of first sieve (22) are used for carrying dust in the first sieve (22) sieve (24), a first discharging channel (251) and a second discharging channel (252) for discharging materials on the ash collecting plate (24) and the second sieve plate (23) are arranged on one side of the sieve box (2).

2. The reducing agent screening device in the ferrosilicon smelting process according to claim 1, wherein a main discharging channel (25) is arranged on one side of the lower part of the screen box (2), one end of the ash collecting plate (24) is fixedly arranged at the bottom end of the first screen plate (22), and the other end of the ash collecting plate (24) extends towards the inside of the main discharging channel (25) and divides the discharging channel into the first discharging channel (251) and the second discharging channel (252).

3. The reducing agent screening device in the ferrosilicon smelting process according to claim 1, wherein a discharging channel (51) is arranged at one side, close to the feeding hole (21), of the bottom of the hopper (5), the discharging channel (51) is communicated with the feeding hole (21), a feeding hole (52) is arranged at one side, far away from the discharging channel (51), of the top surface of the hopper (5), and the bottom surface of the hopper (5) is an inclined surface inclined from the direction of the feeding hole (52) to the direction of the discharging channel (51).

4. A reducing agent screening device in a ferrosilicon smelting process according to claim 3, wherein the adjusting component (6) comprises a baffle plate (61) arranged above the screen box (2) and used for adjusting the falling quantity of materials, one side of the baffle plate (61) penetrates through the side wall of the discharging channel (51) to extend into the discharging channel (51), and the other side of the baffle plate (61) is connected with a power part used for driving the baffle plate (61) to move towards or away from the discharging channel (51).

5. The reducing agent screening device in the ferrosilicon smelting process according to claim 4, wherein the baffle plate (61) comprises a transverse plate (611) and a vertical plate (612), the top surface of the vertical plate (612) is fixedly arranged at one end of the transverse plate (611) far away from the discharging channel (51), and the bottom end of the vertical plate (612) is in sliding connection with the top surface of the screen box (2).

6. The reducing agent screening device in the ferrosilicon smelting process according to claim 5, wherein a sliding rail (27) is arranged on the top surface of the screen plate, the length direction of the sliding rail (27) is parallel to the moving direction of the baffle plate (61), and a sliding groove matched with the sliding rail (27) is arranged on the bottom surface of the vertical plate (612) and is in sliding connection with the sliding rail (27).

7. The reducing agent screening device in the ferrosilicon smelting process according to claim 5, wherein a moving block (613) is fixedly arranged on the vertical plate (612), the power part comprises a screw rod (63) and a first motor (62), the first motor (62) is fixedly arranged on the top surface of the screen box (2), one end of the screw rod (63) is fixedly connected with the output end of the first motor (62), the other end of the screw rod (63) penetrates through the moving block (613) to be rotationally connected with the discharging channel (51), and the screw rod (63) is in threaded connection with the moving block (613).

8. A reductant screening device in a ferrosilicon smelting process according to claim 3, characterized in that a side of the top surface of the screen box (2) close to the feed opening (52) is provided with a support column (7) for supporting the hopper (5).

9. A reducing agent screening device in a ferrosilicon smelting process according to claim 3, characterized in that a cover plate (53) for opening or closing the hopper (5) is arranged above the feed opening (52).

10. The reducing agent screening device in the ferrosilicon smelting process according to claim 1, wherein a third discharging channel (26) for discharging dust in the screen box (2) is arranged at the bottom of the screen box (2).