CN113828622B - Device and method for treating light and thin steel scraps for steelmaking - Google Patents
Device and method for treating light and thin steel scraps for steelmaking Download PDFInfo
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- CN113828622B CN113828622B CN202111161753.7A CN202111161753A CN113828622B CN 113828622 B CN113828622 B CN 113828622B CN 202111161753 A CN202111161753 A CN 202111161753A CN 113828622 B CN113828622 B CN 113828622B
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- rotary drum
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- crushing
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 34
- 239000010959 steel Substances 0.000 title claims abstract description 34
- 238000009628 steelmaking Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 41
- 230000006835 compression Effects 0.000 claims abstract description 24
- 238000007906 compression Methods 0.000 claims abstract description 24
- 238000012856 packing Methods 0.000 claims abstract description 13
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000003672 processing method Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 244000126211 Hericium coralloides Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a processing device and a method of light and thin scrap steel for steelmaking, wherein the processing device comprises a crushing mechanism, a conveying mechanism and a packing mechanism, the crushing mechanism is used for crushing the light and thin scrap steel into strips, the conveying mechanism is used for connecting the crushing mechanism and the packing mechanism, the packing mechanism comprises a feeder and a profiling device, the profiling device comprises a front supporting cylinder, a rotary cylinder and a rear supporting cylinder, the axes of the front supporting cylinder, the rotary cylinder and the rear supporting cylinder are consistent, the rotary cylinder is rotatably arranged between the front supporting cylinder and the rear supporting cylinder, and the rotary cylinder is driven by a speed reducing motor; the inner wall of the rotary drum is provided with a threaded neck, and the thread direction of the threaded neck is consistent with the rotation direction of the rotary drum; the rear side of the rotary drum along the threaded neck is provided with a driving device, the driving device comprises three compression rollers arranged around the axis of the rotary drum, the axis of each compression roller is vertical to the axis of the rotary drum, and the steering direction of each compression roller is consistent with the material running direction; and a cutting device is arranged at the outlet of the profiling device. The invention can realize the continuous treatment of light and thin scrap steel and improve the treatment efficiency; and a columnar material with smaller size is obtained, so that the problem of electrode breakage when the columnar material is added into an electric furnace can be avoided.
Description
Technical Field
The invention relates to a device and a method for treating light and thin scrap steel for steelmaking, belonging to the technical field of steelmaking.
Background
Utilize the steel scrap to carry out electric furnace steelmaking, have the advantage that the investment is few, the flow is short, the energy consumption is low, discharge is low, nevertheless because the steel scrap is all adopted to the raw materials, it is high to the steel scrap quality requirement, the steel scrap is generally according to including heavy steel scrap and the frivolous steel scrap that thickness is less than 2mm, heavy steel scrap belongs to high-quality raw materials, can directly add in the circuit after cutting the breakage, and the frivolous steel scrap is because the quality is lighter, inconvenient direct adding in the electric furnace after the breakage, and generally add as the raw materials after carrying out the briquetting packing. Firstly, briquetting belongs to intermittent operation, the efficiency is low, and the briquetting speed cannot keep up with the crushing speed; secondly, the size of the pressing block is large, the square block has edges and corners, and when the pressing block is added into an electric furnace, the electrode is easy to be broken. Therefore, most electric furnace steel-making manufacturers do not welcome the light and thin scrap steel packing and briquetting.
Disclosure of Invention
Aiming at the problems, the invention firstly provides a device for processing light and thin scrap steel for steelmaking, and the specific scheme is as follows:
a processing device of light and thin scrap steel for steelmaking comprises a crushing mechanism, a conveying mechanism and a packing mechanism, wherein the crushing mechanism is used for crushing the light and thin scrap steel into strips, the conveying mechanism is used for connecting the crushing mechanism and the packing mechanism, the packing mechanism comprises a feeder and a compression device, the compression device comprises a front supporting cylinder, a rotary cylinder and a rear supporting cylinder, the axes of the front supporting cylinder, the rotary cylinder and the rear supporting cylinder are consistent, the rotary cylinder is rotatably arranged between the front supporting cylinder and the rear supporting cylinder, and the rotary cylinder is driven by a speed reducing motor; the inner wall of the rotary drum is provided with a threaded neck, and the thread direction of the threaded neck is consistent with the rotation direction of the rotary drum; the rear side of the rotary drum along the threaded neck is provided with a driving device, the driving device comprises three compression rollers arranged around the axis of the rotary drum, the axis of each compression roller is vertical to the axis of the rotary drum, and the steering direction of each compression roller is consistent with the material running direction; and a cutting device is arranged at the outlet of the profiling device.
Furthermore, the profiling device is provided with multiple stages, and the rotating speed of a rotating drum of the later-stage profiling device is greater than that of the former-stage profiling device; and the inner diameter of the rotary drum of the rear-stage compression device is smaller than that of the front-stage compression device. The multistage pressing device can carry out multistage twisting and compression on the material, and improves the compactness of the pressed columnar material.
Furthermore, the feeder is a vibration feeder, a conical opening is formed in the tail of the vibration feeder, and the conical opening is in butt joint with a feeding hole of the profiling device.
Furthermore, conveying mechanism is belt conveyor, and the area body top of belt conveyor is equipped with the broach. The comb teeth are used for directionally arranging the strip-shaped materials according to the conveying direction, so that twisting can be conveniently carried out on the profiling device.
Furthermore, the crushing mechanism comprises a machine shell, and a circular crushing cavity is arranged in the machine shell; the upper part of the shell is provided with a feed inlet, the lower part of the shell is provided with a discharge outlet, a transverse rotating shaft is arranged in the shell, a movable cutter is arranged on the rotating shaft, and a fixed cutter is arranged on the inner wall of the crushing cavity; the conveying direction of the conveying mechanism is arranged along the axial direction of the rotating shaft.
Furthermore, the movable cutter is obliquely arranged relative to a generatrix of the rotating shaft along the circumferential surface of the rotating shaft, and the fixed cutter is arranged in parallel relative to the axis of the rotating shaft. The movable cutter and the fixed cutter are arranged in a relatively inclined mode, and when the light and thin steel scraps are crushed, the shearing effect can be improved.
According to the processing device of the invention, the invention further discloses a processing method of the light and thin steel scrap for steelmaking, which comprises the following steps:
1) crushing the light and thin steel scraps into strip-shaped materials through a crushing mechanism, wherein the width of the strip-shaped materials is not more than 20 mm;
2) the strip-shaped material is conveyed to a profiling mechanism through a conveying mechanism, twisted and compacted through the profiling mechanism, and finally cut off through a cutting device to obtain the cylindrical material, wherein the diameter of the cylindrical material is 100-300 mm, and the length of the cylindrical material is 300-800 mm.
The invention can realize the continuous treatment of light and thin steel scraps, and replace the intermittent briquetting mode in the prior art to improve the treatment efficiency; and a columnar material with smaller size is obtained, so that the light and thin scrap steel can adapt to the continuous feeding of the electric furnace, and the problem that the electrode is broken when the scrap steel is fed can be avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the profiling apparatus of the present invention;
FIG. 3 is a schematic structural diagram of a driving device according to the present invention;
FIG. 4 is a schematic structural view of a multistage press apparatus according to the present invention;
FIG. 5 is a schematic view of the shredder mechanism of the present invention;
FIG. 6 is a schematic view of the structure of the movable cutter of the present invention;
FIG. 7 is a schematic view of the structure of comb teeth in the present invention.
Detailed Description
The following describes the embodiments of the present invention in detail with reference to specific examples.
Example 1
As shown in fig. 1, a processing apparatus for thin scrap steel for steelmaking comprises a crushing mechanism 1, a conveying mechanism 2 and a packing mechanism, wherein the crushing mechanism 1 is used for crushing the thin scrap steel into strips, the conveying mechanism 2 is used for connecting the crushing mechanism 1 with the packing mechanism, the packing mechanism comprises a feeder 3 and a profiling device 4, as shown in fig. 2, the profiling device comprises a front support cylinder 401, a rotary cylinder 402 and a rear support cylinder 403, the axes of the front support cylinder, the rotary cylinder and the rear support cylinder are consistent, the rotary cylinder is rotatably arranged between the front support cylinder and the rear support cylinder, two ends of the rotary cylinder are rotatably connected with the front support cylinder and the rear support cylinder through bearings, a circle of gear ring 404 is arranged on the outer wall of the rotary cylinder, the gear ring is in transmission connection with a motor through a speed reducing mechanism, and the rotary cylinder is driven to rotate when the speed reducing motor is started; the inner wall of the rotary drum is provided with a threaded neck 405, the thread direction of the threaded neck is consistent with the direction of rotation of the rotary drum, the rotary drum drives the strip-shaped materials to twist into a bundle when rotating, and the threaded neck increases friction resistance and is beneficial to driving the strip-shaped materials to rotate; the rear side of the rotary drum along the threaded neck is provided with a driving device, as shown in fig. 3, the driving device comprises three compression rollers 406 arranged around the axis of the rotary drum, the axis of each compression roller is vertical to the axis of the rotary drum, the steering direction of each compression roller is consistent with the material running direction, each compression roller is connected with a motor, and when the compression rollers rotate, firstly, the materials in a bundle are further compacted, and secondly, the materials are pushed to move forwards; a cutting device 5 is provided at the outlet of the profiling device, and cuts the twisted and compacted cylindrical material at regular intervals to a predetermined length.
As shown in fig. 4, the profiling device has multiple stages, in the figure, the profiling device has a two-stage structure, and the rotating speed of a rotating drum of the rear-stage profiling device is greater than that of the front-stage profiling device; and the inner diameter of the rotary drum of the rear-stage compression device is smaller than that of the front-stage compression device. The multistage pressing device can carry out multistage twisting and compression on the material, and improves the compactness of the pressed columnar material.
The feeder 3 is a vibrating feeder, the tail part of the vibrating feeder is provided with a conical opening, and the conical opening is in butt joint with a feeding hole of the profiling device. The vibration feeder is conventional feeding equipment in the prior art, can be directly applied to the scheme and is used for transferring materials from the conveying mechanism to the profiling mechanism.
The conveying mechanism 2 is a belt conveyor, and comb teeth 6 are arranged above the belt body of the belt conveyor. The comb teeth are used for directionally arranging the strip-shaped materials according to the conveying direction, so that twisting can be conveniently carried out on the profiling device. As shown in figure 7, in order to avoid material blockage, the comb teeth can be arranged at a plurality of positions along the conveying direction, the tooth space of each comb tooth is increased, and the comb teeth at each position are staggered with each other along the width direction of the belt body, so that the expected orientation effect can be achieved, and material blockage can be avoided.
As shown in fig. 5, the crushing mechanism comprises a casing, a circular crushing cavity is arranged in the casing; a feed inlet is arranged at the upper part of the machine shell, a discharge outlet is arranged at the lower part of the machine shell, a transverse rotating shaft 101 is arranged in the machine shell, a movable cutter 102 is arranged on the rotating shaft, and a fixed cutter 103 is arranged on the inner wall of the crushing cavity; the conveying direction of the conveying mechanism is arranged along the axial direction of the rotating shaft. After the frivolous scrap steel drops into crushing chamber, rotatory moving cutter and stationary knife cut the breakage to the material, and the strip that the material after the bits of broken glass accords with this scheme needs.
As shown in fig. 6, the movable cutter 102 is disposed along the circumferential surface of the rotating shaft in an inclined manner with respect to the generatrix of the rotating shaft, and the fixed cutter is disposed in parallel with respect to the axis of the rotating shaft. The movable cutter and the fixed cutter are arranged in a relatively inclined mode, and when the light and thin steel scraps are crushed, the shearing effect can be improved.
Example 2
According to the processing device disclosed in embodiment 1, the embodiment discloses a processing method of light and thin scrap steel for steelmaking, which comprises the following steps:
1) crushing the light and thin steel scraps into strip-shaped materials by a crushing mechanism, wherein the width of the strip-shaped materials is not more than 20 mm;
2) the strip-shaped material is conveyed to a profiling mechanism through a conveying mechanism, twisted and compacted through the profiling mechanism, and finally cut off through a cutting device to obtain the cylindrical material, wherein the diameter of the cylindrical material is 100-300 mm, and the length of the cylindrical material is 300-800 mm.
Claims (5)
1. The utility model provides a steelmaking is with processing apparatus of frivolous steel scrap, includes rubbing crusher structure, conveying mechanism and packing mechanism, and rubbing crusher structure is used for smashing into the bar with frivolous steel scrap, and conveying mechanism is used for connecting rubbing crusher structure and packing mechanism, its characterized in that: the packaging mechanism comprises a feeder and a profiling device, the profiling device comprises a front support cylinder, a rotary cylinder and a rear support cylinder, the axes of the front support cylinder, the rotary cylinder and the rear support cylinder are consistent, the rotary cylinder is rotatably arranged between the front support cylinder and the rear support cylinder, and the rotary cylinder is driven by a speed reduction motor; the inner wall of the rotary drum is provided with a threaded neck, and the thread direction of the threaded neck is consistent with the rotation direction of the rotary drum; the rear side of the rotary drum along the threaded neck is provided with a driving device, the driving device comprises three compression rollers arranged around the axis of the rotary drum, the axis of each compression roller is vertical to the axis of the rotary drum, and the steering direction of each compression roller is consistent with the material running direction; a cutting device is arranged at the outlet of the profiling device;
the crushing mechanism comprises a shell, and a circular crushing cavity is arranged in the shell; the upper part of the shell is provided with a feed inlet, the lower part of the shell is provided with a discharge outlet, a transverse rotating shaft is arranged in the shell, a movable cutter is arranged on the rotating shaft, and a fixed cutter is arranged on the inner wall of the crushing cavity; the conveying direction of the conveying mechanism is arranged along the axial direction of the rotating shaft;
the movable cutter is obliquely arranged along the circumferential surface of the rotating shaft relative to a generatrix of the rotating shaft, and the fixed cutter is arranged in parallel relative to the axis of the rotating shaft.
2. The apparatus for processing thin scrap for steel making according to claim 1, wherein: the profiling device is provided with multiple stages, and the rotating speed of a rotating drum of the rear-stage profiling device is greater than that of the front-stage profiling device; and the inner diameter of the rotary drum of the rear-stage compression device is smaller than that of the front-stage compression device.
3. The apparatus for processing thin scrap for steel making according to claim 1, wherein: the feeder is a vibrating feeder, a conical opening is formed in the tail portion of the vibrating feeder, and the conical opening is in butt joint with a feeding hole of the profiling device.
4. The apparatus for processing thin scrap for steel making according to claim 1, wherein: the conveying mechanism is a belt conveyor, and comb teeth are arranged above the belt body of the belt conveyor.
5. A method for processing light and thin scrap steel for steelmaking, which uses the processing apparatus of any one of claims 1 to 4, and comprises the steps of:
1) crushing the light and thin steel scraps into strip-shaped materials through a crushing mechanism, wherein the width of the strip-shaped materials is not more than 20 mm;
2) the strip-shaped material is conveyed to a profiling mechanism through a conveying mechanism, twisted and compacted through the profiling mechanism, and finally cut off through a cutting device to obtain the cylindrical material, wherein the diameter of the cylindrical material is 100-300 mm, and the length of the cylindrical material is 300-800 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111161753.7A CN113828622B (en) | 2021-09-30 | 2021-09-30 | Device and method for treating light and thin steel scraps for steelmaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111161753.7A CN113828622B (en) | 2021-09-30 | 2021-09-30 | Device and method for treating light and thin steel scraps for steelmaking |
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| Publication Number | Publication Date |
|---|---|
| CN113828622A CN113828622A (en) | 2021-12-24 |
| CN113828622B true CN113828622B (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111161753.7A Active CN113828622B (en) | 2021-09-30 | 2021-09-30 | Device and method for treating light and thin steel scraps for steelmaking |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115254885A (en) * | 2022-07-26 | 2022-11-01 | 宝裕环境控股有限公司 | Intelligent scrap steel processing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107716581A (en) * | 2017-11-08 | 2018-02-23 | 安徽盛达前亮铝业有限公司 | A kind of variable cross-section aluminium alloy section extruding die tool |
| CN207409381U (en) * | 2017-09-11 | 2018-05-25 | 乐清市瑞德线圈有限公司 | A kind of coil shaping device |
| CN110624666A (en) * | 2019-10-18 | 2019-12-31 | 罗志康 | Recycling device of light and thin scrap steel |
| CN210045773U (en) * | 2019-04-19 | 2020-02-11 | 河南奋安铝业有限公司 | Aluminum alloy section extrusion device |
| CN112718901A (en) * | 2020-11-17 | 2021-04-30 | 哈工大（威海）创新创业园有限责任公司 | Preparation process and extrusion die for magnesium alloy pipe under multiple strain paths |
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2021
- 2021-09-30 CN CN202111161753.7A patent/CN113828622B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207409381U (en) * | 2017-09-11 | 2018-05-25 | 乐清市瑞德线圈有限公司 | A kind of coil shaping device |
| CN107716581A (en) * | 2017-11-08 | 2018-02-23 | 安徽盛达前亮铝业有限公司 | A kind of variable cross-section aluminium alloy section extruding die tool |
| CN210045773U (en) * | 2019-04-19 | 2020-02-11 | 河南奋安铝业有限公司 | Aluminum alloy section extrusion device |
| CN110624666A (en) * | 2019-10-18 | 2019-12-31 | 罗志康 | Recycling device of light and thin scrap steel |
| CN112718901A (en) * | 2020-11-17 | 2021-04-30 | 哈工大（威海）创新创业园有限责任公司 | Preparation process and extrusion die for magnesium alloy pipe under multiple strain paths |
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| CN113828622A (en) | 2021-12-24 |
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