CN220461270U

CN220461270U - Slag treatment grid

Info

Publication number: CN220461270U
Application number: CN202321431567.5U
Authority: CN
Inventors: 邹威; 许铁其
Original assignee: Yangchun New Iron and Steel Co Ltd
Current assignee: Yangchun New Iron and Steel Co Ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2024-02-09
Anticipated expiration: 2033-06-06

Abstract

The utility model discloses a slag treatment grid, which comprises the following components: the screen comprises a screen, a shaft seat and at least two bearing shafts, wherein the screen is installed on the bearing shafts, the bearing shafts are positioned below the screen, the bearing shafts transversely span the screen, and two ends of the bearing shafts are installed on the shaft seat. Firm in structure, not fragile, the durability is high, can last accurate slag screening.

Description

Slag treatment grid

Technical Field

The utility model relates to the field of steel smelting, in particular to a slag treatment grid.

Background

The steel slag is waste slag discharged during blast furnace steelmaking, and is industrial solid waste. Iron exists in steel slag in the form of FeO, fe2O3 and elemental iron, most of the elemental iron can be selected through magnetic separation, and nonmagnetic FeO, fe2O3 and a small part of the elemental iron still exist in tailings after magnetic separation, so that the part of iron in the tailings is directly abandoned, and the waste of resources is great. The grid screen is an important process and a first process in the steel slag product treatment process, and aims to classify steel slag with different granularity by screening, and mainly distinguish screen feeding with the granularity of more than 160mm and screen discharging with the granularity of less than 160 mm. The traditional screening bed is a drawer type screen with hanging lugs, and the screen is easy to damage under the corrosion of vibration and steel slag, so that the screening cannot be effectively screened, and the quality and efficiency of the steel slag product in the treatment process are difficult to ensure.

Disclosure of Invention

The utility model aims to provide a slag treatment grid screen which is firm in structure, not easy to damage and high in durability and can continuously and accurately screen steel slag.

A slag treatment grid comprising: the screen comprises a screen, a shaft seat and at least two bearing shafts, wherein the screen is installed on the bearing shafts, the bearing shafts are positioned below the screen, the bearing shafts transversely span the screen, and two ends of the bearing shafts are installed on the shaft seat.

In one embodiment, the slag treatment grid further comprises a drive beam supporting the screen below the screen, the drive Liang Hengkua the screen, and vibrators mounted to both ends of the drive beam.

In one embodiment, the shaft seat is concave, and two ends of the bearing shaft are mounted in the concave of the shaft seat.

In one embodiment, the slag treating grid further comprises side plates, which are erected on both sides of the screen, and which are mounted to the load bearing shaft.

In one embodiment, the slag treating grid further comprises reinforcing beams supported below the screen mesh, the reinforcing Liang Hengkua screen mesh connecting the side plates on either side of the screen mesh.

In one embodiment, the slag treatment grid further comprises a support, the shaft seat is mounted on the support, and a buffer is arranged between the support and the shaft seat.

In one embodiment, a first limiting rod extending downwards is arranged at the bottom of the shaft seat, a second limiting rod extending upwards is arranged at the top of the support, a first limiting hole and a second limiting hole are formed in the buffer piece, the first limiting rod is inserted into the first limiting hole, and the second limiting rod is inserted into the second limiting hole.

In one embodiment, the support comprises a base and a plurality of stand columns arranged on the base, the shaft seat is arranged at the top of the stand columns, the buffer piece is positioned between the shaft seat and the top of the stand columns, and the second limiting rod is arranged at the top of the stand columns.

In one embodiment, the cushioning member is a plastic spring.

In one embodiment, two buffer pieces are arranged below the shaft seat and are arranged according to the advancing direction of the steel slag on the screen.

Compared with the prior art, the slag treatment grid has the advantages that:

1. when the screen shakes the screen, steel slag with large weight repeatedly impacts the screen, so that the screen is often damaged. And the bearing shaft is directly used as a bearing part of the whole device and is directly arranged on the shaft seat, and no other vulnerable parts bear the weight, so that the service life of the whole device is prolonged.

2. Two buffer pieces are arranged below the shaft seat and are arranged according to the advancing direction of the steel slag on the screen. The arrangement makes the screen cloth have two buffer points on different angles when rotating relative to the bearing shaft, which is more beneficial to vibration buffer of the screen cloth.

The utility model will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate embodiments of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic top view of a slag treating grid according to an embodiment of the present utility model;

FIG. 2 is a schematic left-hand view of a slag treating grid according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a partial cross-sectional structure of a slag treating grid according to an embodiment of the present utility model.

Wherein, 1, a bearing shaft, 2, a shaft seat, 3, a vibrator, 4, a reinforcing beam, 5, a screen, 6, a side plate, 7, a transmission beam, 8, a bracket, 9, a base, 10 and an upright post, 11, a first limiting rod, 12, a second limiting rod, 13, a first limiting hole, 14, a second limiting hole, 15, a buffer piece, 16, a discharging hopper, 17 and a concave part.

Detailed Description

Embodiments of the present utility model will now be described with reference to the accompanying drawings.

As shown in fig. 1 to 3, the slag treatment grid of the present embodiment includes: the device comprises a screen 5, a shaft seat 2 and at least two bearing shafts 1, wherein the screen 5 is arranged on the bearing shafts 1, the bearing shafts 1 are positioned below the screen 5, the bearing shafts 1 cross the screen 5, and two ends of the bearing shafts 1 are arranged on the shaft seat 2. When the screen 5 shakes the screen 5, steel slag with large weight repeatedly hits the screen 5, so that the screen 5 is often damaged, and in the utility model, the bearing shaft 1 spans the screen 5 and supports the screen 5 from below, so that the mechanism of the screen 5 is firm and not easy to damage. And the bearing shaft 1 is directly used as a bearing part of the whole device and is directly arranged on the shaft seat 2, and no other vulnerable parts are used for bearing, so that the service life of the whole device is prolonged.

The embodiment also comprises a frame, and the frame wraps the edge of the screen surface, so that the structure of the screen surface is firmer.

The embodiment further comprises a transmission beam 7 and a vibrator 3, wherein the transmission beam 7 supports the screen 5 below the screen 5, the transmission beam 7 spans across the screen 5, and the vibrator 3 is arranged at two ends of the transmission beam 7. The drive beam 7 spans the screen 5 and supports the screen 5 from below, further making the screen 5 mechanism firm and less prone to damage. In this embodiment, the drive beam 7 connects two side plates 6 at the same time, further reinforcing the overall structure.

The embodiment also comprises side plates 6, wherein the side plates 6 are erected on two sides of the screen 5, and the side plates 6 are arranged on the bearing shaft 1. The side plates 6 block the two sides of the screen 5, so that steel slag is prevented from falling from the two sides of the screen 5. The screen 5 is directly supported by the bearing shaft 1, and the side plates 6 are directly supported by the bearing shaft 1, so that the screen 5 is prevented from being damaged due to excessive stress caused by the fact that the side plates 6 are arranged on the screen 5.

The embodiment further comprises a reinforcing beam 4, wherein the reinforcing beam 4 is supported below the screen 5, and the reinforcing beam 4 spans the screen 5 to connect the side plates 6 at two sides of the screen 5. The reinforcing beam 4 further reinforces the structure of the screen 5, the bearing shaft 1, and the side plates 6 to prevent deformation.

The shaft seat 2 is concave, and two ends of the bearing shaft 1 are arranged in concave parts 17 of the shaft seat 2. The top opening of the shaft seat 2 enables the end part of the transmission shaft to have a certain movement space and a certain buffer during vibration, and the concave design of the shaft seat 2 enables the bearing shaft 1 to automatically fall back to the concave bottom of the initial position after each vibration.

The embodiment also comprises a support 8, the shaft seat 2 is arranged on the support 8, and a buffer piece 15 is arranged between the support 8 and the shaft seat 2. The four shaft bases 2 of the two spandrel girders are arranged on the same bracket 8, so that the integrity of the whole device is enhanced, and the structure is firmer.

The bottom of axle bed 2 is equipped with the first gag lever post 11 that stretches out downwards, and the top of support 8 is equipped with the second gag lever post 12 that stretches out upwards, and bolster 15 is equipped with first spacing hole 13 and second spacing hole 14, and first gag lever post 11 inserts first spacing hole 13, and second gag lever post 12 inserts second spacing hole 14. The position of the buffer 15 can be defined by the cooperation of the first stop lever 11 and the first stop hole 13, and the cooperation of the second stop lever 12 and the second stop hole 14. In this embodiment, the first limiting hole 13 and the second limiting hole 14 are coaxial blind holes that are independent of each other, or may be designed such that the first limiting hole 13 and the second limiting hole 14 are through holes with mutually independent axes that are staggered, or may be designed such that the first limiting hole 13 and the second limiting hole 14 are two ends of the same through hole.

The support 8 comprises a base 9 and a plurality of stand columns 10 arranged on the base 9, the shaft seat 2 is arranged at the top of the stand columns 10, the buffer piece 15 is arranged between the shaft seat 2 and the top of the stand columns 10, and the second limiting rod 12 is arranged at the top of the stand columns 10.

In this embodiment, the buffer member 15 is a plastic spring, which can vibrate the screen 5 under the driving of the vibrator 3, and the vibration amplitude of the screen is controllable, so that the steel slag cannot be thrown up.

Two buffer pieces 15 are arranged below the shaft seat 2, and the two buffer pieces 15 are arranged according to the advancing direction of the steel slag on the screen 5. The arrangement is such that the screen 5 has two damping points at different angles when rotating relative to the bearing shaft 1, which is more beneficial to vibration damping of the screen 5.

Screen 5 mesh size 160mm, screen surface inclination 15 degrees, amplitude 4-6mm, productivity: 50t/h.

When the utility model is used, the vibrator 3 is started, the slag box is closed and filtered by the forklift to be shoveled into the screen 5, the slag is affected by the vibration force of the screen 5, the material smaller than 160mm directly falls into the discharging hopper 16 from the screen holes, the material is conveyed to the next working procedure (crushing, screening (multi-stage screening), magnetic separation, ball milling and the like) by the belt, the steel slag larger than 160mm falls into the centralizing cylinder along the inclined screen 5, the magnetic separation is carried out by the magnetic disc crane, the upper magnetic part is directly piled and placed by the magnetic disc crane, the non-upper magnetic part is shoveled back into the slag box by the forklift, and the re-closed state is realized.

The utility model has been described in connection with the preferred embodiments, but the utility model is not limited to the embodiments disclosed above, but it is intended to cover various modifications, equivalent combinations according to the essence of the utility model.

Claims

1. A slag treatment grid comprising: the screen comprises a screen, a shaft seat and at least two bearing shafts, wherein the screen is installed on the bearing shafts, the bearing shafts are positioned below the screen, the bearing shafts transversely span the screen, and two ends of the bearing shafts are installed on the shaft seat.

2. The slag treating grid as set forth in claim 1, further comprising a drive beam supporting said screen below said screen, said drive Liang Hengkua said screen, and vibrators mounted to opposite ends of said drive beam.

3. The slag treating grid as set forth in claim 1, wherein said axle seat is concave and said load bearing axle is mounted at both ends thereof in the concave portion of said axle seat.

4. The slag treating grid as set forth in claim 1, further comprising side plates upstanding from both sides of said screen, said side plates being mounted to said load bearing shaft.

5. The slag treating grid as set forth in claim 4, further comprising reinforcing beams supported below said screen, said reinforcing Liang Hengkua screen connecting said side plates on either side of said screen.

6. The slag treating grid as set forth in claim 1, further comprising a bracket, wherein the axle seat is mounted to the bracket, and wherein a buffer is disposed between the bracket and the axle seat.

7. The slag treatment grid according to claim 6, wherein a first limiting rod extending downwards is arranged at the bottom of the shaft seat, a second limiting rod extending upwards is arranged at the top of the support, the buffer piece is provided with a first limiting hole and a second limiting hole, the first limiting rod is inserted into the first limiting hole, and the second limiting rod is inserted into the second limiting hole.

8. The slag treating grid as set forth in claim 7, wherein said bracket includes a base and a plurality of posts disposed on said base, said axle seat being mounted to the top of said posts, said cushioning member being disposed between said axle seat and the top of said posts, said second stop bar being disposed on the top of said posts.

9. A slag treating grid as claimed in any one of claims 6 to 8, wherein the cushioning member is a plastic spring.

10. A slag treatment grid as claimed in any one of claims 6 to 8, wherein two said cushioning members are disposed below said axle seat, the two cushioning members being arranged in a direction of advancement of the slag over said screen.