CN220679305U - Airflow blocking structure and high silicon steel thin strip manufacturing device - Google Patents
Airflow blocking structure and high silicon steel thin strip manufacturing device Download PDFInfo
- Publication number
- CN220679305U CN220679305U CN202322304126.5U CN202322304126U CN220679305U CN 220679305 U CN220679305 U CN 220679305U CN 202322304126 U CN202322304126 U CN 202322304126U CN 220679305 U CN220679305 U CN 220679305U
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- cooling roller
- blocking
- air flow
- baffle
- thin strip
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- 230000000903 blocking effect Effects 0.000 title claims abstract description 51
- 229910000976 Electrical steel Inorganic materials 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Silicon Compounds (AREA)
Abstract
The utility model provides an airflow blocking structure and a high silicon steel thin strip manufacturing device, wherein the airflow blocking structure comprises: the cooling roller comprises a cooling roller body and an air flow baffle, wherein a circle of joint surface is arranged on the circumferential edge of the cooling roller body, the area where the top end of the joint surface is located is used for forming a bearing area for bearing molten steel to be cooled and shaped, the air flow baffle is provided with at least one blocking part which is propped against the joint surface located on one side of the bearing area, the blocking parts are arranged at intervals in the reverse direction of the rotation direction of the cooling roller body, and at least one blocking part is close to the bearing area and used for blocking air flow moving along the rotation direction of the cooling roller body from entering the bearing area. The high-silicon steel thin strip cooling device can fully contact the surface of the cooling roller when the cooling roller rotates at a high speed, and the thin strip is guaranteed to be cooled rapidly and effectively.
Description
Technical Field
The utility model relates to the field of high-silicon steel thin strip manufacturing, in particular to an airflow blocking structure and a high-silicon steel thin strip manufacturing device.
Background
The high silicon steel generally refers to silicon steel with silicon content exceeding 3.5%, and compared with common silicon steel (silicon content less than or equal to 3.5%), the high silicon steel has the characteristics of higher resistivity and magnetic conductivity, lower coercive force, magnetostriction coefficient close to zero and the like, so that the high silicon steel has lower iron loss and magnetostriction, and has important significance for reducing energy consumption and noise.
Because of the high silicon content, the plasticity of the high silicon steel is very poor at room temperature, and the alloy thin strip is difficult to be produced in a large scale by adopting the traditional hot-cold and cold-rolling methods. Therefore, a quick solidification method is generally adopted, namely, molten steel in a melting furnace is sprayed onto a cooling roller rotating at a high speed through a spraying device, the liquid molten steel sprayed onto the roller surface of the cooling roller is quickly cooled and shaped into a solid thin belt, the thin belt coated on the roller surface is peeled through a peeling device, and finally, the thin belt is sent to a winding machine.
Because the cooling roller continuously rotates at a high speed in the production process of the high-silicon steel thin strip, the phenomenon that the thin strip is in insufficient contact with the roller surface easily occurs, so that a part of the thin strip cannot be rapidly and effectively cooled, the internal structure of the part is further changed, and the quality of the thin strip and the quality of manufactured related products are affected.
Disclosure of Invention
Based on the above, the utility model aims to provide an airflow blocking structure and a high-silicon steel thin strip manufacturing device, which can fully contact the thin strip with the roller surface of a cooling roller when the cooling roller rotates at a high speed, so that the thin strip is ensured to be cooled rapidly and effectively.
In one aspect, the present utility model provides an airflow blocking structure comprising: the cooling device comprises a cooling roller and an airflow baffle, wherein a circle of joint surface is arranged at the circumferential edge of the cooling roller, and the area where the top end of the joint surface is positioned is used for forming a receiving area for receiving molten steel to be cooled and shaped; the air flow blocking piece is provided with at least one blocking part which is abutted against the abutting surface positioned at one side of the receiving area, each blocking part is arranged at intervals towards the reverse direction of the rotation direction of the cooling roller, and at least one blocking part is close to the receiving area and used for blocking air flow moving along the rotation direction of the cooling roller from entering the receiving area.
According to the air flow blocking structure, when the cooling roller is static, the bonding surface and surrounding air keep relatively static, no obvious air flows at the moment, after the cooling roller rotates in a certain direction, the air near the bonding surface rotates along with the cooling roller to flow, the rotating speed of the air near the bonding surface decreases along with the increase of the distance between the air flow blocking part and the bonding surface, the blocking part can block the rotating flowing air from entering the receiving area due to the blocking part on the air flow blocking part, so that local negative pressure is formed above the receiving area, and the cooling and shaping thin belt is tightly bonded on the bonding surface due to the action of the negative pressure, so that the thin belt can be cooled rapidly and effectively.
In addition, the airflow blocking structure according to the present utility model may further have the following additional technical features:
further, the airflow baffle comprises at least one baffle plate forming a blocking part, and the baffle plate is abutted against the abutting surface.
Further, a notch matched with the axial width of the cooling roller is arranged on one side of the baffle close to the joint surface.
Further, a sealing element is arranged between one side of the baffle close to the joint surface and the joint surface.
Further, the seal includes: the sealing gasket and the pressing plate are laminated in sequence, one surface of the sealing gasket is attached to the baffle plate and located at the edge of the notch, and one surface of the pressing plate is attached to the other surface of the sealing gasket and fixed to the periphery of the notch.
Further, the airflow baffle further comprises a first bracket, and each baffle is fixedly connected to the first bracket.
Further, the second brackets are arranged on two axial sides of the cooling roller, and the cooling roller is connected to the second brackets in a rolling way through the rotating shaft.
On the other hand, the utility model also provides a high silicon steel thin strip manufacturing device which comprises a melting furnace, a spraying device and the airflow blocking structure, wherein the spraying device is used for spraying molten steel contained in the melting furnace to a receiving area.
Drawings
FIG. 1 is a schematic view of a first view angle structure of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic view of a second view of the present utility model;
FIG. 4 is a schematic view of a third view of the present utility model;
FIG. 5 is an enlarged view of a portion of FIG. 4 at C;
description of main reference numerals:
| cooling roller | 100 | Bonding surface | 110 |
| Receiving area | 111 | Second support | 120 |
| Rotating shaft | 130 | Airflow baffle | 200 |
| Blocking part | 210 | Notch | 211 |
| First support | 220 | Sealing element | 230 |
| Sealing gasket | 231 | Pressing plate | 232 |
The utility model will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In order to facilitate an understanding of the utility model, several embodiments of the utility model will be presented below. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1 to 5, an airflow blocking structure according to an embodiment of the utility model includes: cooling roll 100, air flow baffle 200. Specifically, the cooling roller 100 is cylindrical, a circle of flat bonding surface 110 is arranged at the circumferential edge of the cooling roller, a receiving area 111 for receiving molten steel to be cooled and shaped is formed in the area where the top end of the bonding surface 110 is located, molten steel is sprayed on the bonding surface 110 at the receiving area 111 when the high silicon steel thin strip is produced, and then the liquid molten steel is rapidly cooled and shaped into a solid thin strip.
Taking the clockwise rotation of the cooling roller 100 as an example, the air flow blocking member 200 is provided with at least one blocking portion 210, each blocking portion 210 abuts against the abutment surface 110 located on the left side of the receiving area 111, and each blocking portion 210 is spaced apart in the counterclockwise direction of the rotation of the cooling roller 100, and at least one blocking portion 210 is provided near the receiving area. The blocking portion 210 may block the air flow moving in the rotation direction of the cooling roller 100 from entering the receiving area 111 when manufacturing the high silicon steel strip.
In some embodiments, the gas flow barrier 200 may optionally include a baffle to form a barrier 210 with a bottom edge of the baffle abutting the abutment surface 110 and adjacent the receiving area 111 to prevent flowing gas from passing adjacent the abutment surface 110 and into the receiving area 111.
In some embodiments, optionally, as shown in fig. 1-5, the airflow baffle 200 includes two baffles, each for forming a stop 210, with the bottom edge of each baffle resting on the abutment surface 110 and the higher baffle being adjacent to the receiving area 111. Through setting up two baffles, not only can prevent that the gas that flows from passing through near laminating face 110 and entering into and accept in the region 111, simultaneously, because the lower baffle in position from blockking off a part air current, the higher baffle in position needs the air current that blocks to reduce, it is less to lead to the air current to the higher baffle impact in position to reveal into the air current in accepting the region 111 from the higher baffle in position, from this the local negative pressure that makes to accept the region 111 top lower, and then make the high silicon steel thin strip of rapid cooling design and laminating face 110's the degree of tightness higher.
It will be appreciated that the airflow baffle 200 may include multiple baffles to form multiple stops 210, depending on the actual manufacturing situation, and is not limited to the number of previous embodiments.
In some embodiments, as shown in fig. 3-5, the airflow baffle 200 further includes a first bracket 220, and two baffles are fixedly attached to the first bracket 220. Specifically, the lower baffle is horizontally arranged, and the higher baffle is obliquely arranged.
In some embodiments, as shown in fig. 2, a notch 211 is disposed on a side of the baffle adjacent to the bonding surface 110, where the size of the notch 211 is at least not smaller than the axial width of the cooling roller 100, so that the protruding portions on two sides of the notch 211 do not block the cooling roller 100 from rotating, and at the same time, the protruding portions on two sides of the notch 211 can prevent the flowing gas from passing through the vicinity of the end surfaces on two ends of the cooling roller 100.
In some embodiments, as shown in figures 1, 2, and 5, to further prevent the passage of flowing gas near the faying surface 110 where the baffles contact, a seal 230 is provided between the side of the baffles near the faying surface 110 and the faying surface 110.
Alternatively, as shown in fig. 2 and 5, the sealing member 230 includes: a gasket 231 and a pressing plate 232 laminated together in this order. In the concrete assembly, one surface of the gasket 231 may be attached to the surface of the baffle plate that is inclined upward with respect to the cooling roller 100, and the gasket 231 may cover the gap between the edge of the notch 211 and the facing 110 of the cooling roller 100, and may cover the gap between the edge of the notch 211 and the end surfaces of both ends of the cooling roller 100, thereby preventing gas from passing through. In addition, one surface of the pressing plate 232 is attached to the other surface of the gasket 231 and fixed to the outer peripheral portion of the notch 211, ensuring that it cannot cover the notch 211. Alternatively, a pressing plate 232 having a larger size than the gasket 231 is attached to the gasket 231, and then the pressing plate 232 is fixed by screws at a portion protruding from the gasket 231, so that the sealing member 230 composed of the pressing plate 232 and the gasket 231 is stably fixed to the barrier.
In some embodiments, as shown in fig. 1, 3, 4 and 5, the second brackets 120 are disposed on two axial sides of the cooling roller 100, and the cooling roller 100 is rollingly connected to the second brackets 120 through the rotating shaft 130, so that the cooling roller 100 can rotate relative to the second brackets 120.
The application also provides a high silicon steel thin strip manufacturing device, which comprises a melting furnace, a spraying device and the airflow blocking structure, wherein the spraying device is used for spraying molten steel contained in the melting furnace to the receiving area 111.
The specific working principle of the airflow blocking structure and the high silicon steel thin strip manufacturing device comprising the airflow blocking structure is as follows: when chill roll 100 is stationary, faying surface 110 and the surrounding gas remain relatively stationary, with no significant gas flow; when the cooling roller 100 rotates in a certain direction, the gas near the bonding surface 110 will rotate along with the cooling roller 100, the rotation speed of the gas near the bonding surface 110 decreases along with the increase of the distance from the bonding surface 110, and the blocking part 210 on the airflow baffle 200 abuts against the bonding surface 110, so that the blocking part 210 can block the rotating gas from entering the receiving area 111, thereby forming a local negative pressure above the receiving area 111, and the cooled and shaped high silicon steel thin strip is tightly bonded on the bonding surface 110 under the action of the negative pressure. Therefore, the high-silicon steel thin strip can be guaranteed to be cooled rapidly and effectively, and the solidification quality of the high-silicon steel thin strip is improved.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. An air current separation structure is applied to high silicon steel thin strip system area device, its characterized in that, air current separation structure includes:
the peripheral edge of the cooling roller is provided with a circle of bonding surface, and the area where the top end of the bonding surface is positioned is used for forming a receiving area for receiving molten steel to be cooled and shaped;
and the air flow blocking piece is provided with at least one blocking part which is abutted against the abutting surface positioned at one side of the receiving area, the blocking parts are arranged at intervals towards the direction opposite to the rotation direction of the cooling roller, and at least one blocking part is close to the receiving area and used for blocking air flow moving along the rotation direction of the cooling roller from entering the receiving area.
2. The airflow blocking structure according to claim 1, wherein said airflow blocking member includes at least one baffle forming one of said blocking portions, said baffle abutting against said abutment surface.
3. The air flow blocking structure according to claim 2, wherein a gap matched with the axial width of the cooling roller is arranged on one side of the baffle plate close to the joint surface.
4. A gas flow barrier as claimed in claim 3, wherein a seal is provided between the side of the baffle adjacent the abutment surface and the abutment surface.
5. The air flow blocking structure of claim 4, wherein the seal comprises: the sealing gasket and the pressing plate are sequentially laminated, one surface of the sealing gasket is attached to the baffle and located at the edge of the notch, and one surface of the pressing plate is attached to the other surface of the sealing gasket and fixed to the peripheral portion of the notch.
6. The airflow blocking structure according to claim 2, wherein the airflow blocking member further comprises a first bracket, and each of the baffles is fixedly connected to the first bracket.
7. The air flow blocking structure according to claim 1, wherein second brackets are provided on both axial sides of the cooling roller, and the cooling roller is connected to the second brackets in a rolling manner through a rotating shaft.
8. A high silicon steel thin strip manufacturing device, characterized by comprising a melting furnace, a spraying device and an air flow blocking structure according to any one of claims 1 to 7, wherein the spraying device is used for spraying molten steel contained in the melting furnace to the receiving area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322304126.5U CN220679305U (en) | 2023-08-25 | 2023-08-25 | Airflow blocking structure and high silicon steel thin strip manufacturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322304126.5U CN220679305U (en) | 2023-08-25 | 2023-08-25 | Airflow blocking structure and high silicon steel thin strip manufacturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220679305U true CN220679305U (en) | 2024-03-29 |
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ID=90411668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322304126.5U Active CN220679305U (en) | 2023-08-25 | 2023-08-25 | Airflow blocking structure and high silicon steel thin strip manufacturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220679305U (en) |
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2023
- 2023-08-25 CN CN202322304126.5U patent/CN220679305U/en active Active
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