CN220083632U - Walking beam for producing oriented silicon steel - Google Patents
Walking beam for producing oriented silicon steel Download PDFInfo
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- CN220083632U CN220083632U CN202321302903.6U CN202321302903U CN220083632U CN 220083632 U CN220083632 U CN 220083632U CN 202321302903 U CN202321302903 U CN 202321302903U CN 220083632 U CN220083632 U CN 220083632U
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- silicon steel
- oriented silicon
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- heating furnace
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- 229910000976 Electrical steel Inorganic materials 0.000 title claims abstract description 43
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000002791 soaking Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000002436 steel type Substances 0.000 abstract description 6
- 238000005098 hot rolling Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The utility model relates to the technical field of slab hot rolling heating, in particular to a walking beam for producing oriented silicon steel, which comprises a fixed beam and a movable beam, wherein the fixed beam and the movable beam are symmetrically arranged in the moving direction of the slab of the oriented silicon steel, and a moving area formed by the fixed beam and the movable beam is characterized in that the upper limit of the movable beam is flush with the top surface of the fixed beam. Compared with the prior art, the utility model has the beneficial effects that: 1) Can prevent the phenomena of waist collapse, snake-shaped bending and the like when the heating furnace is used for producing the oriented silicon steel and the non-oriented silicon steel, and meets the technological requirements of producing the oriented silicon steel and the non-oriented silicon steel. 2) The technical scheme is low in investment, and the traditional walking beam type heating furnace is transformed into a silicon steel type heating furnace suitable for oriented silicon steel production only by modifying an electric PLC program of the moving track of the movable beam, so that the running stability of the heating furnace for producing special steel types is ensured.
Description
Technical Field
The utility model relates to the technical field of slab hot rolling and heating, in particular to a walking beam for producing oriented silicon steel.
Background
The movable track of the walking beam of the normal walking type heating furnace is lifted from the lower limit to the upper limit in the first step, translated from the upper limit to the front limit in the second step, lowered from the front limit to the lower limit in the third step, retreated from the lower limit to the rear limit in the fourth step, and then circularly reciprocated, and the steps in the slab furnace are completed in each period.
The movable beams of the conventional hot-rolled slab heating furnace walking beams are normally positioned between the fixed beams, the height of the movable beams is lower than that of the fixed beams, the distance between the conventional hot-rolled slab heating furnace walking beams and the fixed beams is relatively long, the distance between the heating furnace walking beams is generally 2-2.3 meters, when a slab stays in a heating furnace high-temperature section in a heating mode, the distance between the fixed beams and the movable beams is too large, enough upward supporting force cannot be provided for the slab, so that phenomena such as waist collapse and snaking and the like occur in the production of oriented silicon steel, the requirements of relevant grades of the production of the oriented silicon steel cannot be met, and the slab is clamped in a furnace even in the case of shutdown accidents are caused when the deformation is serious.
Disclosure of Invention
The utility model aims to provide the walking beam for producing the oriented silicon steel, which overcomes the defects of the prior art, and the fixed beam and the movable beam simultaneously provide enough upward supporting force for a plate blank by optimizing the structure of the walking beam and can prevent phenomena of waist collapse, snake-shaped bending and the like when the oriented silicon steel and the non-oriented silicon steel are produced by a heating furnace, thereby meeting the technological requirements of producing the oriented silicon steel and the non-oriented silicon steel by a hot rolling heating furnace.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme:
the walking beam for producing the oriented silicon steel comprises a fixed beam and a movable beam, wherein the fixed beam and the movable beam are symmetrically arranged in the moving direction of a slab of the oriented silicon steel in a left-right mode, and a moving area formed by the fixed beam and the movable beam is characterized in that the upper limit of the movable beam is flush with the top surface of the fixed beam.
Further, the moving zone is positioned at a high temperature section in the furnace and comprises two heating sections and a soaking section.
Further, the surface of the movable beam is provided with a steel pushing step, and the steel pushing step is 60-80mm in height.
Further, a chamfer is arranged on the advancing side of the steel pushing step.
Further, the distance between the beams in the two heating sections is 900mm,1000mm,900mm,1500mm,900mm,1000mm and 900mm; the beam spacing in the soaking section is 900mm,1000mm,900mm,1150mm, 900mm,1000mm and 900mm.
Compared with the prior art, the utility model has the beneficial effects that:
1) Through optimizing the structure of the walking beam and the movable beam, the distance between the beams in the high temperature section is shortened, and the fixed beam and the movable beam simultaneously provide enough upward supporting force for the slab, so that phenomena such as waist collapse, snake-shaped bending and the like during the production of oriented silicon steel and non-oriented silicon steel by the heating furnace can be prevented, and the process requirements of the production of the oriented silicon steel and the non-oriented silicon steel by the hot rolling heating furnace are met.
2) The technical scheme is low in investment, and the traditional walking beam type heating furnace is transformed into a silicon steel type heating furnace suitable for oriented silicon steel production only by modifying an electric PLC program of the moving track of the movable beam, so that the running stability of the heating furnace for producing special steel types is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of an embodiment of the utility model, wherein a digital box is a schematic diagram of the distribution of burners in a heating furnace;
FIG. 2 is a schematic diagram of a motion trajectory of a movable beam in an embodiment of the present utility model;
FIG. 3 is a schematic view of a steel pushing step structure on the surface of a movable beam in an embodiment of the utility model.
In the figure, 10-fixed beams, 20-movable beams, 30-steel pushing steps and 40-chamfering.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
The components of the embodiments of the present utility model generally described and illustrated in the figures herein can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
1-3, a structural schematic diagram of an embodiment of a walking beam for producing oriented silicon steel according to the present utility model includes a fixed beam 10 and a movable beam 20, wherein the fixed beam 10 and the movable beam 20 are symmetrically arranged in a moving direction of a slab of the oriented silicon steel, a moving area formed by the fixed beam and the movable beam is formed in a bilateral symmetry manner, and an upper limit of the movable beam 20 is flush with a top surface of the fixed beam 10. The moving zone is located in a high-temperature section in the furnace and comprises two heating sections and a soaking section, and the digital boxes in the figure 1 are burner positions. The surface of the movable beam is provided with a steel pushing step 30, and the steel pushing step is 60mm in height. The advancing side of the steel pushing step is provided with a chamfer 40 which is beneficial to buffer contact with the slab in the steel pushing process.
In the stepping Liang Taisheng median control method for producing the oriented silicon steel, after an oriented silicon steel slab enters a high-temperature section of a heating furnace, a median lifting function is put into, so that the upper limit of a movable beam 20 is flush with the top surface of a fixed beam 10, and the distance between the fixed beams of two heating sections is shortened from (2000 mm,3300mm and 2000 mm) to (900 mm,1000mm,900mm,1500mm,900mm,1000mm and 900 mm); the space between fixing beams of the soaking section is shortened from (2000 mm,230 mm,2000 mm) to (900 mm,1000mm,900 mm) and the space between the heating furnace steps Liang Zhongliang is shortened from long, so that upward supporting force is exerted on the length direction of the slab, and the slab waist collapse is prevented. The movable track of the movable beam in the step-by-step heating furnace is that the first step is lifted from the lower limit to the upper limit, the second step is translated from the upper limit to the front limit, the third step is lowered from the front limit to the lower limit, the fourth step is retreated from the lower limit to the rear limit, and the steps are repeated circularly, wherein each period 47s completes one period in the slab furnace, and the subsequent circulating action is performed without affecting the production rhythm. The spacing between the upper and lower limits is 200mm and the spacing between the front and rear limits is 500mm.
According to the utility model, after the middle position lifting function of the movable beam is realized, the oriented silicon steel plate blank enters a high-temperature section (a second heating section and a soaking section) of the heating furnace, the middle position lifting function is put into, the heating furnace moves Liang Disheng to a position which is consistent with the upper edge of the fixed beam, after the movable beam is lifted, the beam spacing of the high-temperature section walking beam is reduced, the no-load distance of the oriented silicon steel is effectively reduced, the upward supporting force of the plate blank is increased, and the traditional heating furnace is transformed into the silicon steel heating furnace suitable for silicon steel production. After the walking beam movable beam lifting middle position function is put into use, the heating quality of the oriented silicon steel is greatly improved, the difficult furnace tapping and even the furnace stopping accident caused by serious slab deformation are prevented, the cost investment is low, the traditional walking beam type heating furnace is transformed into a silicon steel type heating furnace suitable for oriented silicon steel production only by modifying an electric PLC program of a movable beam running track, and the running stability of the heating furnace for producing special steel types is ensured.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The walking beam for producing the oriented silicon steel comprises a fixed beam and a movable beam, wherein the fixed beam and the movable beam are symmetrically arranged in the moving direction of a slab of the oriented silicon steel in a left-right mode, and a moving area formed by the fixed beam and the movable beam is characterized in that the upper limit of the movable beam is flush with the top surface of the fixed beam.
2. The walking beam for producing oriented silicon steel according to claim 1, wherein the moving zone is located at a high temperature section in the furnace, comprising a two heating section and a soaking section.
3. The walking beam for producing oriented silicon steel according to claim 1, wherein the surface of the movable beam is provided with a steel pushing step, and the steel pushing step is 60-80mm in height.
4. A walking beam for producing oriented silicon steel as claimed in claim 3 wherein the advancing side of the push steel step is provided with a chamfer.
5. A walking beam for producing oriented silicon steel according to claim 2, wherein the beam pitch in the two heating sections is 900mm,1000mm,900mm,1500mm,900mm,1000mm,900 mm; the beam spacing in the soaking section is 900mm,1000mm,900mm,1150mm, 900mm,1000mm and 900mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321302903.6U CN220083632U (en) | 2023-05-26 | 2023-05-26 | Walking beam for producing oriented silicon steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321302903.6U CN220083632U (en) | 2023-05-26 | 2023-05-26 | Walking beam for producing oriented silicon steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220083632U true CN220083632U (en) | 2023-11-24 |
Family
ID=88824036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321302903.6U Active CN220083632U (en) | 2023-05-26 | 2023-05-26 | Walking beam for producing oriented silicon steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220083632U (en) |
-
2023
- 2023-05-26 CN CN202321302903.6U patent/CN220083632U/en active Active
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