CN210474601U - Grate bar sieve plate for feeding sintered ore in steel mill - Google Patents
Grate bar sieve plate for feeding sintered ore in steel mill Download PDFInfo
- Publication number
- CN210474601U CN210474601U CN201921018243.2U CN201921018243U CN210474601U CN 210474601 U CN210474601 U CN 210474601U CN 201921018243 U CN201921018243 U CN 201921018243U CN 210474601 U CN210474601 U CN 210474601U
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- plate
- grate
- shaft
- frame
- steel mill
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 44
- 239000010959 steel Substances 0.000 title claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000005245 sintering Methods 0.000 abstract description 12
- 238000002360 preparation method Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010009 beating Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000012256 powdered iron Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a grate screen plate for loading sintered ore in a steel mill, which comprises a side plate, a C-shaped frame and a grate screen sheet; the side plates are connected with the C-shaped frame; the grate bar curtain sheets are fixedly welded on the C-shaped frame at a certain angle; the grid section curtain sheet comprises a frame, a shaft, a grid section and a distance ring; the frame is arranged on the C-shaped frame; the shaft is arranged in the frame; the grate bars are connected with the shaft; the distance ring is connected with the shaft; the side plates are L-shaped and are symmetrically arranged at two ends of the C-shaped frame; the number of the shafts is 2, and the 2 shafts are horizontally arranged side by side; the section of the grid section is rectangular, and the root of the grid section is provided with a through hole; the grate bars and the distance rings are arranged in a plurality of numbers, and the grate bars and the distance rings are strung on the shaft one by one at intervals. The utility model discloses can be used for steel mill sintering deposit material loading, simple structure is reasonable, preparation convenient to use, and is with low costs, and the noise is few, and is safe high-efficient.
Description
Technical Field
The utility model relates to a grid section sieve especially relates to a steel mill is grid section sieve for sintering deposit material loading.
Background
The sinter is prepared by mixing various powdered iron-containing raw materials with appropriate amount of fuel and flux, adding appropriate amount of water, mixing, pelletizing, and making the materials undergo a series of physical and chemical changes on sintering equipment to bond the mineral powder particles into blocks. The quality of the sintered ore directly influences the economic and technical indexes of blast furnace smelting, and the drum strength, the granularity composition, the metallurgical performance and the powder content in the sintered ore quality index are several important indexes, and are one of the basic guarantee conditions of blast furnace balance, high yield, high quality and low consumption.
Present steel mill sintering deposit feeding system generally uses hierarchical sieve to grade the material, in order to improve the screening quality, because hierarchical sieve often appears pressing from both sides material and putty phenomenon, need the cooperation to use and violently beat the device, present sintering deposit most utilizes to violently beat the pipe technique and clear up the sieve and presss from both sides the material problem, nevertheless when sieve machine during operation noise is very big, and the clearance effect is also not very ideal moreover, violently beat the pipe and still drop easily, the conveyer belt of conveyer below the easy fish tail of back that drops, cause serious loss. Therefore, a grate sieve plate for loading sinter in a steel mill is needed, a beating device can be omitted, noise is reduced, cleaning quality is improved, use cost is reduced, and economic benefits of enterprises are increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a simple structure is reasonable, preparation convenient to use, with low costs, the noise is few, safe efficient grate plate for steel mill sintering deposit material loading.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a grate screen plate for loading sinter in a steel mill comprises side plates, a C-shaped frame and grate screen sheets; the side plates are connected with the C-shaped frame; the grate bar curtain sheets are fixedly welded on the C-shaped frame at a certain angle; the grid section curtain sheet comprises a frame, a shaft, a grid section and a distance ring; the frame is arranged on the C-shaped frame; the shaft is arranged in the frame; the grate bars are connected with the shaft; the distance ring is connected with the shaft.
According to the grate plate for feeding the sinter in the steel plant, the side plates are L-shaped and are provided with 2 side plates, and the 2 side plates are symmetrically arranged at the two ends of the C-shaped frame, so that feeding and discharging are convenient, and the use is safe and reliable.
As the grate sieve plate for loading the sinter in the steel plant, 2 shafts are arranged, and are horizontally arranged side by side, so that more grates can be conveniently arranged, the stress is more balanced, the grate sieve plate is safer and more efficient, the materials can be smoothly classified without blocking, the original beating device is omitted, the noise is reduced, the production cost is reduced, and the economic benefit is more remarkable.
According to the grate plate for loading the sinter in the steel plant, the section of the grate is rectangular, so that the rectangular grate is convenient to replace a traditional round bar, the wear resistance is stronger, and the service life is longer; the root of the grid section is provided with a through hole, and the grid section is arranged on the shaft in series through the through hole, so that the installation is more convenient and faster, and the use is safer and more reliable.
According to the grate plate for feeding the sinter in the steel plant, the grate bars and the distance rings are provided with the plurality of grate bars and the distance rings, and the grate bars and the distance rings are arranged on the shaft one by one at intervals, so that the grate plate can vibrate at a certain amplitude under the action of fixed excitation force, the grate bars can generate vertical vibration and composite motion swinging by taking the shaft as the center, the grading precision of materials is fundamentally improved, the materials are graded more smoothly, the problems of material clamping and material blocking can be effectively avoided, the working efficiency is higher, and the use is safer and more reliable.
According to the grate plate for feeding the steel mill sintering ores, the base plate and the positioning plate are arranged on the outer end face of the side plate and fixedly connected with the side plate through the screws, and the end part of the shaft is fixedly connected with the base plate through the bolts, so that the steel mill sintering ores are firmer and more stable in connection, higher in strength and safer and more reliable in use.
According to the grate plate for feeding the sinter in the steel plant, the two ends of the frame are provided with the baffle plates, the baffle plates are in contact with the side plates, the grate plates and the distance rings are conveniently arranged on the shaft one by one at intervals and placed in the frame, the two ends of the grate plate are pressed and fixedly welded on the frame through the baffle plates, and the grate plate is firmer and more stable, safer and more reliable to use, and longer in service life.
As the preferable scheme of the grate bar sieve plate for loading the sinter in the steel mill, the through hole is internally provided with the protective sleeve, so that the shaft is effectively protected, the service life is longer, and the sieve plate is safer and more reliable.
As the preferable scheme of the grate plate for loading the steel mill sintering ore, the L-shaped reinforcing ribs are arranged on the bending surfaces of the side plates, so that the steel mill sintering ore loading grate plate is higher in strength, safer and more stable to use and longer in service life.
As the preferable scheme of the grate plate for loading the sinter in the steel mill, the frame is processed by the square steel tube, so that the frame is convenient to manufacture, low in cost and stable and reliable to use.
The utility model has the advantages that: the side plate of the utility model is connected with the C-shaped frame; the grid curtain sheets are fixedly welded on the C-shaped frame according to a certain angle; the grid section curtain sheet comprises a frame, a shaft, a grid section and a distance ring; the frame is arranged on the C-shaped frame; the shaft is arranged in the frame; a grate bar connecting shaft; the distance ring is connected with the shaft; the side plates are L-shaped, 2 side plates are arranged, and the 2 side plates are symmetrically arranged at two ends of the C-shaped frame; the number of the shafts is 2, and the 2 shafts are horizontally arranged side by side; the section of the grid is rectangular, and the root of the grid is provided with a through hole; the grate bars and the distance rings are arranged in a plurality of numbers, and the grate bars and the distance rings are stringed on the shaft one by one at intervals; the outer end face of each side plate is provided with a base plate and a positioning plate, the base plates and the positioning plates are fixedly connected with the side plates through screws, and the end parts of the shafts are fixedly connected with the base plates through bolts; the both ends of frame are equipped with the baffle, baffle contact curb plate, the utility model discloses can be used for steel mill sintering deposit material loading, simple structure is reasonable, preparation convenient to use, and is with low costs, and the noise is few, and is safe high-efficient.
Drawings
FIG. 1 is a schematic structural view of a grate plate for feeding sintered ore in a steel mill in the embodiment;
FIG. 2 is a side view of a grate plate for feeding sintered ore in a steel mill according to an embodiment;
FIG. 3 is a top view of a screen plate of a steel mill sinter feeding grate in the example.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1, 2 and 3, a grate screen plate for loading sinter in a steel mill comprises a side plate 1, a C-shaped frame 2 and grate curtain sheets 3; the side plate 1 is connected with the C-shaped frame 2; the grate bar curtain pieces 3 are fixedly welded on the C-shaped frame 2 according to a certain angle; the grid curtain sheet 3 comprises a frame 4, a shaft 5, a grid 6 and a distance ring 7; the frame 4 is arranged on the C-shaped frame 2; the shaft 5 is arranged in the frame 4; the grate bars 6 are connected with the shaft 5; the distance ring 7 is connected to the shaft 5.
In one embodiment of the grate plate for loading the sinter in the steel plant, the side plate 1 is L-shaped, 2 side plates 1 are arranged, and the 2 side plates 1 are symmetrically arranged at two ends of the C-shaped frame 2, so that the feeding and discharging are more convenient, and the use is safer and more reliable.
In one embodiment of the grate sieve plate for loading the sinter in the steel mill, 2 shafts 5 are horizontally arranged side by side, more grate bars 6 can be conveniently arranged, the stress is more balanced, the grate sieve plate is safer and more efficient, the materials can be smoothly classified without blocking, the original beating device is omitted, the noise is reduced, the production cost is reduced, and the economic benefit is more remarkable.
In one embodiment of the grate plate for loading the sinter in the steel plant, the section of the grate 6 is rectangular, so that the rectangular grate 6 is convenient to replace the traditional round bars, the wear resistance is stronger, and the service life is longer; the root of the grate bar 6 is provided with a through hole 8, and the grate bar 6 is serially arranged on the shaft 5 through the through hole 8, so that the installation is more convenient and faster, and the use is safer and more reliable.
In one embodiment of the grate plate for loading the sinter in the steel plant, a plurality of grate bars 6 and distance rings 7 are arranged, and the grate bars 6 and the distance rings 7 are arranged on the shaft 5 at intervals one by one, so that the grate plate can vibrate with a certain amplitude under the action of fixed excitation force, the grate bars 6 can vibrate up and down and swing with the shaft 5 as the center, the grading precision of materials is fundamentally improved, the material grading is smoother, the problems of material clamping and material blocking can be effectively avoided, the working efficiency is higher, and the use is safer and more reliable.
In one embodiment of the grate plate for feeding the sinter in the steel plant, a backing plate 9 and a positioning plate 10 are arranged on the outer end face of the side plate 1, the backing plate 9 and the positioning plate 10 are fixedly connected with the side plate 1 through screws 11, and the end part of the shaft 5 is fixedly connected with the backing plate 9 through bolts 12, so that the connection is more firm and stable, the strength is higher, and the use is safer and more reliable.
In one embodiment of the grate plate for loading the sinter in the steel plant, the two ends of the frame 4 are provided with the baffle plates 13, the baffle plates 13 are in contact with the side plates 1, so that the grate 6 and the distance rings 7 are alternately strung on the shaft 5 one by one and are placed in the frame 4, and the two ends are pressed and fixedly welded on the frame 4 by the baffle plates 13, so that the grate plate is firmer and more stable, is safer and more reliable to use, and has longer service life.
In one embodiment of the grate plate for loading the sinter in the steel plant, a protective sleeve is arranged in the through hole 8, so that the shaft 5 is effectively protected, the service life is longer, and the grate plate is safer and more reliable.
In one embodiment of the grate plate for feeding the sinter in the steel plant, the L-shaped reinforcing ribs are arranged on the bending surface of the side plate 1, so that the grate plate is higher in strength, safer and more stable to use and longer in service life.
In one embodiment of the grid sieve plate for feeding the sinter in the steel plant, the frame 4 is formed by processing a square steel pipe, so that the grid sieve plate is convenient to manufacture, low in cost and stable and reliable to use.
The side plate 1 of the utility model is connected with the C-shaped frame 2; the grid curtain sheets 3 are fixedly welded on the C-shaped frame 2 according to a certain angle; the grid curtain sheet 3 comprises a frame 4, a shaft 5, a grid 6 and a distance ring 7; the frame 4 is arranged on the C-shaped frame 2; the shaft 5 is arranged inside the frame 4; the grate bars 6 are connected with the shaft 5; the distance ring 7 is connected with the shaft 5; the side plate 1 is L-shaped, 2 side plates 1 are arranged, and 2 side plates 1 are symmetrically arranged at two ends of the C-shaped frame 2; the number of the shafts 5 is 2, and the 2 shafts 5 are horizontally arranged side by side; the section of the grid section 6 is rectangular, and the root of the grid section 6 is provided with a through hole 8; the grate bars 6 and the distance rings 7 are respectively provided with a plurality of grate bars 6 and distance rings 7 which are alternately strung on the shaft 5 one by one; a backing plate 9 and a positioning plate 10 are arranged on the outer end face of the side plate 1, the backing plate 9 and the positioning plate 10 are fixedly connected with the side plate 1 through a screw 11, and the end part of the shaft 5 is fixedly connected with the backing plate 9 through a bolt 12; the two ends of the frame 4 are provided with the baffle plates 13, the baffle plates 13 are contacted with the side plates 1, and when the sieve plate is used, the grate sieve plate vibrates with a certain amplitude under the action of fixed exciting force, so that the grate 6 generates composite motion of vertical vibration and swinging by taking the shaft 5 as a center, and materials are smoothly classified. The utility model discloses can be used for steel mill sintering deposit material loading, simple structure is reasonable, preparation convenient to use, and is with low costs, and the noise is few, and is safe high-efficient.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The utility model provides a steel mill is grid section sieve for sinter material loading which characterized in that: comprises a side plate (1), a C-shaped frame (2) and a grid bar curtain sheet (3); the side plate (1) is connected with the C-shaped frame (2); the grate bar curtain sheets (3) are fixedly welded on the C-shaped frame (2) according to a certain angle; the grate bar curtain sheet (3) comprises a frame (4), a shaft (5), a grate bar (6) and distance rings (7); the frame (4) is arranged on the C-shaped frame (2); the shaft (5) is arranged in the frame (4); the grate bars (6) are connected with the shaft (5); the distance ring (7) is connected with the shaft (5).
2. The steel mill sinter feeding grid sieve plate as claimed in claim 1, wherein: curb plate (1) be the L type, curb plate (1) is equipped with 2, 2 curb plates (1) are the symmetry and set up C shape frame (2) both ends.
3. The steel mill sinter feeding grid sieve plate as claimed in claim 1, wherein: the number of the shafts (5) is 2, and the 2 shafts (5) are horizontally arranged side by side.
4. The steel mill sinter feeding grid sieve plate as claimed in claim 1, wherein: the section of the grate bar (6) is rectangular, and the root of the grate bar (6) is provided with a through hole (8).
5. The steel mill sinter feeding grid sieve plate as claimed in claim 1, wherein: the grate bars (6) and the distance rings (7) are respectively provided with a plurality of grate bars (6) and distance rings (7) which are strung on the shaft (5) one by one at intervals.
6. The steel mill sinter feeding grid sieve plate as claimed in claim 1, wherein: the outer end face of the side plate (1) is provided with a backing plate (9) and a positioning plate (10), the backing plate (9) and the positioning plate (10) are fixedly connected with the side plate (1) through screws (11), and the end part of the shaft (5) is fixedly connected with the backing plate (9) through bolts (12).
7. The steel mill sinter feeding grid sieve plate as claimed in claim 1, wherein: two ends of the frame (4) are provided with baffle plates (13), and the baffle plates (13) are contacted with the side plates (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921018243.2U CN210474601U (en) | 2019-07-02 | 2019-07-02 | Grate bar sieve plate for feeding sintered ore in steel mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921018243.2U CN210474601U (en) | 2019-07-02 | 2019-07-02 | Grate bar sieve plate for feeding sintered ore in steel mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210474601U true CN210474601U (en) | 2020-05-08 |
Family
ID=70529709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921018243.2U Expired - Fee Related CN210474601U (en) | 2019-07-02 | 2019-07-02 | Grate bar sieve plate for feeding sintered ore in steel mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210474601U (en) |
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2019
- 2019-07-02 CN CN201921018243.2U patent/CN210474601U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200508 |
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| CF01 | Termination of patent right due to non-payment of annual fee |