CN215964662U

CN215964662U - Reduced iron shaft furnace vibration screening device

Info

Publication number: CN215964662U
Application number: CN202022658945.6U
Authority: CN
Inventors: 吴志军; 张昭; 牛晓军; 侯云鹏
Original assignee: Shanxi Metallurgical Engineering Technology Co ltd
Current assignee: Shanxi Metallurgical Engineering Technology Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2022-03-08
Anticipated expiration: 2030-11-17

Abstract

The utility model discloses a reduced iron shaft furnace vibration screening device which comprises a base, wherein a support frame is fixedly arranged at the upper end of the base, a crushing box is fixedly arranged at the upper end of the support frame, a shaft furnace is fixedly arranged at the right end of the base, a second feeding hopper is fixedly arranged at the right part of the outer surface of the crushing box, a vibration screening box is fixedly arranged at the upper end of the shaft furnace, a control panel is fixedly arranged at the right part of the rear end of the vibration screening box, a first feeding hopper is fixedly arranged at the lower part of the left end of the vibration screening box, a discharging hopper is fixedly arranged at the upper part of the left end of the vibration screening box, a table post is fixedly arranged at the right part of the lower end of the vibration screening box, and a pneumatic transmission device, a second screening device and a first screening device are arranged in the vibration screening box. The reduced iron shaft furnace vibration screening device provided by the utility model can respectively perform corresponding treatment modes on iron ores with different particle sizes according to the screening particle size, and is simple and practical to operate and high in working efficiency.

Description

Reduced iron shaft furnace vibration screening device

Technical Field

The utility model relates to the field of metallurgy and metallurgical equipment, in particular to a reduced iron shaft furnace vibration screening device.

Background

The vibration screening apparatus operates by utilizing reciprocating rotary type vibration generated by vibrator excitation. The upper rotary heavy hammer of the vibrator makes the screen surface generate plane rotary vibration, the lower rotary heavy hammer makes the screen surface generate conical surface rotary vibration, and the combined effect makes the screen surface generate re-rotary vibration. The vibration locus is a complex space curve.

The reduced iron shaft furnace vibration screening device is a vibration screening device applied to the iron smelting industry, the majority of process simple screening processes of the existing reduced iron shaft furnace vibration screening device are single one process, the screening efficiency is low, the screened pellets which are not in line with the particle size need to be manually cleaned, and the labor is consumed, so that the reduced iron shaft furnace vibration screening device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a reduced iron shaft furnace vibration screening device which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a reduced iron shaft furnace vibration screening device comprises a base, wherein a support frame is fixedly arranged at the upper end of the base, a crushing box is fixedly arranged at the upper end of the support frame, a shaft furnace is fixedly arranged at the right end of the base, a second feeding hopper is fixedly arranged at the right part of the outer surface of the crushing box, the second feeding hopper is communicated with the crushing box and the shaft furnace, a vibration screening box is fixedly arranged at the upper end of the shaft furnace, a control panel is fixedly arranged at the right part of the rear end of the vibration screening box, a first feeding hopper is fixedly arranged at the lower part of the left end of the vibration screening box, the first feeding hopper is communicated with the vibration screening box and the crushing box, a discharge hopper is fixedly arranged at the upper part of the left end of the vibration screening box, the discharge hopper is communicated with the interior of the vibration screening box, a platform column is fixedly arranged at the right part of the lower end of the vibration screening box, a feeding hopper is arranged at the left part of the upper end of the vibration screening box, a box cover is arranged at the right part of the upper end of the vibration screening box, and a pneumatic transmission device, a second screening device and a first screening device are arranged in the vibration screening box.

Preferably, the vibration screening box comprises a first bottom plate, the first bottom plate is fixedly installed at the upper ends of the shaft furnace and the table column, an outer shell is fixedly installed at the upper end of the first bottom plate, a second bottom plate is fixedly installed in the middle of an inner cavity of the outer shell, pneumatic transmission devices are fixedly installed at the right parts of the upper ends of the first bottom plate and the second bottom plate, partition plates are fixedly installed at the middle parts of the upper ends of the first bottom plate and the second bottom plate, the first screening device is fixedly installed at the left part of the upper end of the first bottom plate, and the second screening device is fixedly installed at the left part of the upper end of the second bottom plate.

Preferably, the second sieving mechanism includes screening net and vibrating motor, vibrating motor fixed mounting is in second bottom plate upper end middle part, the vibrating motor output has the vibrating mass through transmission shaft fixed mounting, vibrating mass fixed mounting is in screening net lower extreme right part, the equal fixed mounting in screening net front end and rear end has the guard plate, fixed mounting has the conveying strap between screening net and the shell inner chamber left side wall, it flushes with the screening up end with shell junction to arrange the hopper inner chamber diapire, the equal fixed mounting in screening net lower extreme four corners has vibrating spring, vibrating spring lower extreme fixed mounting is on the second bottom plate, first sieving mechanism is the same with second sieving mechanism overall structure.

Preferably, the left parts of the upper ends of the first bottom plate and the second bottom plate are provided with feed openings, the feed openings are positioned under the screening nets, and the aperture of the screening net of the first screening device is smaller than that of the screening net of the second screening device.

Preferably, pneumatic transmission device includes the frame, the equal fixed mounting in frame upper end left part and right part has the cylinder, cylinder piston pneumatic end fixed mounting has flexible pneumatic stem, two the common fixed mounting in flexible pneumatic stem left end has push plate, the push plate size is less than the space between baffle and first sieving mechanism and the second sieving mechanism a little, push plate is located the top of screening net, and two the guard plate blocks respectively push plate's front end and rear end.

Preferably, the vibration motor is electrically connected with a control panel, and the control panel is electrically connected with 220V mains supply.

Compared with the prior art, the utility model has the following beneficial effects:

1. through being provided with first sieving mechanism and second sieving mechanism, vibrating motor opens work and drives the vibration of screen cloth through the vibrating mass, the vibratory screening case is poured into from the feeder hopper to iron ore, can isolate the iron ore of great needs recrushing on second sieving mechanism's screen cloth, the iron ore that meets the requirements can fall into first sieving mechanism through the screen cloth, the vibrating motor work on the first sieving mechanism drives the vibration of whole screen cloth, the iron ore that falls into first sieving mechanism can be screened and separated, the ore that satisfies iron reduction shaft furnace particle size requirement can directly fall into the shaft furnace, can be in the in-service use in-process, select the ore that satisfies the requirements through twice screening processes, high production efficiency, and is simple in operation.

2. Through being provided with pneumatic transmission device, force pump circular telegram work, can promote the flexible pneumatic stem of connection at the pneumatic end of piston after the cylinder pressure boost and remove, dead lever and the push plate through fixed connection at flexible pneumatic stem left end, the push plate promotes the accumulational ore that does not pass through the screening net, with these ore discharge vibration screening case that is not conform to the requirement, can be at the in-service use in-process, go the ore of discharging through control pneumatic transmission device, the ore that does not pass through on the second screening device can be directly followed and is discharged the reprocess and smash in the hopper, the ore that does not pass through on first screening device can be discharged into through first feeding funnel and smashes the particle diameter that satisfies the requirement into the processing of smashing incasement, the rethread second feeding funnel is carried into the shaft furnace, thereby can carry out different operations to the ore of different standards.

Drawings

FIG. 1 is a schematic view showing the overall construction of a reduced iron shaft furnace vibration screening apparatus according to the present invention;

FIG. 2 is a schematic view showing the internal structure of a reduced iron shaft furnace vibration screening apparatus according to the present invention;

FIG. 3 is a schematic view showing the overall construction of a second screening apparatus of a reduced iron shaft furnace vibration screening apparatus according to the present invention;

FIG. 4 is a schematic view showing a connection structure of a second screening device and a discharge hopper of the vibratory screening device of a reduced iron shaft furnace according to the present invention.

FIG. 5 is a schematic structural view of a pneumatic conveying device of a reduced iron shaft furnace vibration screening device according to the present invention.

In the figure: 1. a base; 2. a support frame; 3. a crushing box; 4. a first hopper; 5. a discharge hopper; 6. a second hopper; 7. a shaft furnace; 8. a pillar; 9. vibrating a screening box; 91. a first base plate; 92. a second base plate; 93. a housing; 94. a partition plate; 10. a case cover; 11. a feed hopper; 12. a pneumatic transmission device; 121. a machine base; 122. a cylinder; 123. a telescopic pneumatic rod; 124. a push plate; 13. a second screening device; 131. conveying the cloth belt; 132. a vibration motor; 133. vibrating the block; 134. screening a net; 135. a protection plate; 136. vibrating the spring; 14. A first screening device; 15. a control panel.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, a reduced iron shaft furnace vibration screening device comprises a base 1, and is characterized in that: the upper end of the base 1 is fixedly provided with a support frame 2, the upper end of the support frame 2 is fixedly provided with a crushing box 3, the right end of the base 1 is fixedly provided with a shaft furnace 7, the right part of the outer surface of the crushing box 3 is fixedly provided with a second feeding hopper 6, the second feeding hopper 6 is communicated with the crushing box 3 and the shaft furnace 7, the upper end of the shaft furnace 7 is fixedly provided with a vibration screening box 9, the right part of the rear end of the vibration screening box 9 is fixedly provided with a control panel 15, the lower part of the left end of the vibration screening box 9 is fixedly provided with a first feeding hopper 4, the first feeding hopper 4 is communicated with the vibration screening box 9 and the crushing box 3, the upper part of the left end of the vibration screening box 9 is fixedly provided with a discharge hopper 5, the discharge hopper is communicated with the vibration screening box 9, the right part of the lower end of the vibration screening box 9 is fixedly provided with a pillar 8, the left part of the upper end of the vibration screening box 9 is provided with a feeding hopper 11, the upper right part of the vibration screening box 9 is provided with a box cover 10, the vibration screening box 9 is internally provided with a pneumatic transmission device 12, A second screening device 13 and a first screening device 14.

Vibration screening case 9 includes first bottom plate 91, first bottom plate 91 fixed mounting is in

shaft furnace

7 and 8 upper ends of pillar, first bottom plate 91 upper end fixed mounting has shell 93, shell 93 inner chamber middle part fixed mounting has second bottom plate 92, the equal fixed mounting in upper end right part of first bottom plate 91 and second bottom plate 92 has pneumatic transmission device 12, the equal fixed mounting in upper end middle part of first bottom plate 91 and second bottom plate 92 has baffle 94, first sieving mechanism 14 fixed mounting is in first bottom plate 91 upper end left part, second sieving mechanism 13 fixed mounting is in second bottom plate 92 upper end left part, can select the ore of different particle sizes through being provided with first sieving mechanism 14 and second sieving mechanism 13 and carry out the operation of different processes, and the work efficiency is improved, can prevent the ore granule that splashes from falling into other inside work positions of vibration screening case 9 through being provided with baffle 94.

The second screening device 13 comprises a screening net 134 and a vibrating motor 132, the vibrating motor 132 is fixedly arranged in the middle of the upper end of the second bottom plate 92, the output end of the vibrating motor 132 is fixedly provided with a vibrating block 133 through a transmission shaft, the vibrating block 133 is fixedly arranged at the right part of the lower end of the screening net 134, the front end and the rear end of the screening net 134 are both fixedly provided with a protective plate 135, a conveying cloth belt 131 is fixedly arranged between the screening net 134 and the left side wall of the inner cavity of the shell 93, the joint of the bottom wall of the inner cavity of the discharge hopper 5 and the shell 93 is flush with the upper end surface of the screening net 134, four corners of the lower end of the screening net 134 are both fixedly provided with vibrating springs 136, the lower ends of the vibrating springs 136 are fixedly arranged on the second bottom plate 92, the first screening device 14 and the second screening device 13 have the same integral structure, the vibrating block 133 is driven to vibrate by the working of the vibrating motor 132, the vibrating block 133 drives the screening net to vibrate, so as to separate ores falling on the screening net by vibration, the requirement of screening is reached, and conveyer belt 131 can prevent that the ore from falling into quick-witted incasement portion.

The feed opening has all been seted up to first bottom plate 91 and second bottom plate 92 upper end left part, and the feed opening of seting up is located under screening net 134, screening net 134 aperture of first sieving mechanism 14 is less than the aperture of screening net 134 of second sieving mechanism 13, and the ore of being convenient for passes through the layering screening, selects the ore that meets the requirements and directly arranges into shaft furnace 7 in, selects other ore that do not meet the requirements and carries out classification, and strict regulation process is convenient for classify and refine the processing to the ore.

Pneumatic transmission device 12 includes frame 121, equal fixed mounting has cylinder 122 about frame 121 upper end, cylinder 122 piston pneumatic end fixed mounting has flexible pneumatic rod 123, the common fixed mounting in two flexible pneumatic rod 123 left ends has push plate 124, push plate 124's size is less than the space between baffle 94 and first sieving mechanism 14 and the second sieving mechanism 13 slightly, push plate 124 is located the top of screening net 134, and two guard plates 135 block the front end and the rear end of push plate 124 respectively, the work of flexible pneumatic rod 123 of control, thereby can control push plate 125 and remove, the unable ore that passes through screening net 134 of promotion discharges from vibration screening case 9 and carries out crushing processing again.

The vibration motor 132 is electrically connected with the control panel 15, and the control panel 15 is electrically connected with 220V mains supply, so that the whole device is convenient to control, and the automation degree is high.

It should be noted that, the present invention is a reduced iron shaft furnace vibration screening device, before use, the control panel 15 is powered on, iron ore is poured into the vibration screening box 9 from the feeding hopper 5, the control panel 15 controls the vibration motor 132 to start working, the vibration block 133 drives the screening net 134 to vibrate, the screening net 134 of the second screening device 13 separates out larger iron ore to be re-crushed, the iron ore meeting the requirement falls into the first screening device 14 through the screening net 134, the processing procedure of the first screening device 14 is the same as that of the second screening device 13, the iron ore falling into the first screening device 14 is screened and separated, the ore meeting the particle size requirement of the iron reduction shaft furnace falls into the shaft furnace 7 directly, at this time, the first screening device 14 and the second screening device 13 are closed, the pneumatic transmission device 12 is opened, the cylinder 122 pushes the telescopic pneumatic rod 123 connected to the pneumatic end of the piston to move after being pressurized, through the push plate 125 fixedly connected at the left end of the telescopic pneumatic rod, the push plate 125 pushes the piled ore which does not pass through the screening mesh 134 to move, the ore which does not pass through the second screening device 13 can be discharged from the discharge hopper 5 to be crushed again, the ore which does not pass through the first screening device 14 can be discharged into the crushing box 3 from the first hopper 4, and the ore is discharged into the shaft furnace 7 through the second hopper 6 after being reprocessed in the crushing box 3 and meeting the particle size requirement.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a reduced iron shaft furnace vibration screening device, includes base (1), its characterized in that: the device is characterized in that a support frame (2) is fixedly mounted at the upper end of a base (1), a crushing box (3) is fixedly mounted at the upper end of the support frame (2), a shaft furnace (7) is fixedly mounted at the right end of the base (1), a second feeding hopper (6) is fixedly mounted at the right part of the outer surface of the crushing box (3), the second feeding hopper (6) is communicated with the crushing box (3) and the shaft furnace (7), a vibration screening box (9) is fixedly mounted at the upper end of the shaft furnace (7), a control panel (15) is fixedly mounted at the right part of the rear end of the vibration screening box (9), a first feeding hopper (4) is fixedly mounted at the lower part of the left end of the vibration screening box (9), the first feeding hopper (4) is communicated with the vibration screening box (9) and the crushing box (3), a discharge hopper (5) is fixedly mounted at the upper part of the left end of the vibration screening box (9), and the discharge hopper (5) is communicated with the interior of the vibration screening box (9), vibrating screen case (9) lower extreme right part fixed mounting has pillar (8), vibrating screen case (9) upper end left part is provided with feeder hopper (11), vibrating screen case (9) upper end right part is provided with case lid (10), vibrating screen case (9) inside is provided with pneumatic transmission device (12), second sieving mechanism (13) and first sieving mechanism (14).

2. A reduced iron shaft furnace vibratory screening apparatus as set forth in claim 1 wherein: vibration screening case (9) include first bottom plate (91), first bottom plate (91) fixed mounting is in shaft furnace (7) and pillar (8) upper end, first bottom plate (91) upper end fixed mounting has shell (93), shell (93) inner chamber middle part fixed mounting has second bottom plate (92), pneumatic transmission device (12) are provided with two sets ofly, and fixed mounting is in first bottom plate (91) and second bottom plate (92) upper end right part respectively, equal fixed mounting in first bottom plate (91) and second bottom plate (92) upper end middle part has baffle (94), first sieving mechanism (14) fixed mounting is in first bottom plate (91) upper end left part, second sieving mechanism (13) fixed mounting is in second bottom plate (92) upper end left part.

3. A reduced iron shaft furnace vibratory screening apparatus as set forth in claim 2 wherein: the second screening device (13) comprising a screening net (134) and a vibrating motor (132), the vibrating motor (132) is fixedly arranged in the middle of the upper end of the second bottom plate (92), the output end of the vibrating motor (132) is fixedly provided with a vibrating block (133) through a transmission shaft, the vibrating block (133) is fixedly arranged at the right part of the lower end of the screening net (134), the front end and the rear end of the screening net (134) are both fixedly provided with a protective plate (135), a conveying cloth belt (131) is fixedly arranged between the screening net (134) and the left side wall of the inner cavity of the shell (93), the connecting part of the bottom wall of the inner cavity of the discharge hopper (5) and the shell (93) is flush with the upper end surface of the screening net (134), four corners of the lower end of the screening net (134) are fixedly provided with vibrating springs (136), the lower end of the vibration spring (136) is fixedly arranged on the second bottom plate (92), the first screening device (14) and the second screening device (13) are identical in overall structure.

4. A reduced iron shaft furnace vibratory screening apparatus as set forth in claim 3 wherein: feed openings are formed in the left parts of the upper ends of the first bottom plate (91) and the second bottom plate (92), the feed openings are located right below the screening net (134), and the aperture of the screening net (134) of the first screening device (14) is smaller than that of the screening net (134) of the second screening device (13).

5. A reduced iron shaft furnace vibratory screening apparatus as set forth in claim 3 wherein: pneumatic transmission device (12) are including frame (121), the equal fixed mounting in frame (121) upper end left part and the right part has cylinder (122), cylinder (122) piston pneumatic end fixed mounting has flexible pneumatic rod (123), two the common fixed mounting in flexible pneumatic rod (123) left end has push plate (124), the size of push plate (124) slightly is less than baffle (94) and the space between first sieving mechanism (14) and second sieving mechanism (13), push plate (124) are located the top of screening net (134), and two guard plate (135) are blocked respectively the front end and the rear end of push plate (124).

6. A reduced iron shaft furnace vibratory screening apparatus as set forth in claim 3 wherein: the vibration motor (132) is electrically connected with the control panel (15), and the control panel (15) is electrically connected with 220V mains supply.