CN220643177U - Stainless steel strip annealing furnace - Google Patents
Stainless steel strip annealing furnace Download PDFInfo
- Publication number
- CN220643177U CN220643177U CN202320927762.0U CN202320927762U CN220643177U CN 220643177 U CN220643177 U CN 220643177U CN 202320927762 U CN202320927762 U CN 202320927762U CN 220643177 U CN220643177 U CN 220643177U
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- China
- Prior art keywords
- furnace body
- stainless steel
- steel strip
- gas
- groove
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 40
- 239000010935 stainless steel Substances 0.000 title claims abstract description 40
- 238000000137 annealing Methods 0.000 title claims abstract description 36
- 239000007789 gas Substances 0.000 claims abstract description 41
- 239000011261 inert gas Substances 0.000 claims abstract description 20
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000003028 elevating effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 2
- 239000000047 product Substances 0.000 description 8
- 230000013011 mating Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Furnace Details (AREA)
Abstract
The utility model belongs to the technical field of metal hot working, and particularly relates to a stainless steel strip annealing furnace. The device comprises a furnace body, wherein a placing rack is arranged in the furnace body, a rotating unit is arranged in the furnace body, and a gas circulation unit is arranged in the furnace body; the rotating unit is used for enabling the placing frame to rotate in the furnace body; the gas circulation unit is used for circulating inert gas in the furnace body. The purpose is that: the inert gas is driven to flow in the furnace body through the gas circulation unit, so that the inert gas completely coats the coiled stainless steel strip in the annealing treatment process of the stainless steel strip, the protection effect is enhanced, and the quality of the produced product is improved.
Description
Technical Field
The utility model belongs to the technical field of metal hot working, and particularly relates to a stainless steel strip annealing furnace.
Background
The stainless steel strip is a stainless steel sheet which is supplied in a coiled form, also called strip steel, and has unique performance and wide application range in a special steel system. In the production process of stainless steel strips, the annealing step directly affects the quality of steel, so that the annealing process is a significant process in the steelmaking industry. At present, inert gas is generally introduced into an annealing furnace, and then the temperature is raised in the annealing furnace, so that the stainless steel strip is annealed under the coating of the inert gas. The fluidity of the gas in the annealing furnace is poor, and for the convenience of processing, the stainless steel strip is generally coiled and put into the annealing furnace for annealing treatment, and the inert gas with poor fluidity may not be in complete contact with the inner surface of the coiled stainless steel strip, so that the quality of the product is affected.
Disclosure of Invention
The purpose of the utility model is that: the stainless steel strip annealing furnace aims to provide a stainless steel strip annealing furnace, inert gas is driven to flow in a furnace body through a gas circulation unit, so that the inert gas is completely coated into a coiled stainless steel strip in the annealing treatment process of the stainless steel strip, and the quality of produced products is improved.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the stainless steel strip annealing furnace comprises a furnace body, wherein a placing rack is arranged in the furnace body, a rotating unit is arranged in the furnace body, and a gas circulating unit is arranged in the furnace body;
the rotating unit is used for enabling the placing frame to rotate in the furnace body;
the gas circulation unit is used for circulating inert gas in the furnace body.
Preferably, the rotating unit comprises a driving motor, the driving motor is fixedly arranged at the top of the furnace body, a rotating shaft is fixedly connected to an output shaft of the driving motor, and a connecting structure is arranged on the rotating shaft. The setting is convenient to drive the rack to rotate through driving motor like this, makes stainless steel band roll up and is heated evenly.
Preferably, a connecting seat is fixedly connected to the top of the placing frame, a connecting groove is formed in the connecting seat in the vertical direction, a matching groove is formed in the inner wall of the connecting groove, and a limiting block is fixedly connected in the matching groove;
one end of the rotating shaft is provided with a mounting groove perpendicular to the axis of the rotating shaft, two matching blocks are relatively slidably mounted in the mounting groove, and a compression spring is arranged between the two matching blocks. The arrangement is that the driving motor is connected with the placement frame conveniently through the connecting structure.
Preferably, guide inclined planes are arranged on the upper side and the lower side of one end, extending out of the mounting groove, of the matching block. The mounting rack is arranged in such a way, so that the rotary shaft is convenient to be connected with the mounting rack in a dismounting way.
Preferably, the gas circulation unit comprises a gas flow passage, the gas flow passage is arranged in the furnace body, a circulation pipeline is arranged outside the furnace body, the circulation pipeline penetrates through the inner wall of the furnace body and is connected with the gas flow passage, and a pipeline fan is arranged in the circulation pipeline. This arrangement is advantageous in improving the fluidity of the gas to allow the inert gas to flood the interior of the furnace.
Preferably, the air-conditioning system further comprises an air tank, wherein the air tank is communicated with the circulating pipeline. The arrangement is beneficial to supplementing gas into the furnace body.
Preferably, a feeding hole is formed in the bottom of the furnace body, a lifting table is vertically and slidably arranged at the feeding hole, a U-shaped placing groove is formed in the lifting table, and the placing rack is placed in the U-shaped placing groove. The arrangement is convenient for replacing the annealed stainless steel strip coil.
Preferably, the placing frame is of a multi-layer structure, and the air outlet of the air flow channel faces the placing frame when the placing frame is positioned in the annealing furnace. The arrangement is beneficial to the full contact between the inert gas and the stainless steel strip, improves the protection effect of the inert gas and improves the product quality.
The utility model adopting the technical scheme has the following advantages:
1. in the scheme, the lifting table drives the placing rack to move upwards to the feed inlet to seal the furnace body, at the moment, the matching block is clamped into the limit groove, the driving motor rotates to drive the placing rack to rotate, and at the moment, the furnace body is subjected to heating annealing treatment again, so that the stainless steel strip on the placing rack is heated more uniformly, and the product quality is improved;
2. in the scheme, the placing rack is of a multi-layer structure, so that the number of stainless steel strips heated each time is increased, and the production efficiency is improved;
3. in the scheme, the inert gas in the gas flow channel circularly flows through the arrangement of the gas flow channel and the external pipeline fan, so that the fluidity of the gas is improved, the inert gas is fully contacted with the stainless steel strip in the annealing process, the protection effect is good, and the product quality is improved.
Drawings
The utility model can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic view showing the overall structure of an embodiment of a stainless steel strip annealing furnace according to the present utility model;
FIG. 2 is a schematic view showing the internal structure of an embodiment of a stainless steel strip annealing furnace according to the present utility model;
FIG. 3 is a schematic view showing the internal structure of a connecting seat of an embodiment of a stainless steel strip annealing furnace according to the present utility model;
FIG. 4 is a schematic structural view showing a connecting structure of an embodiment of a stainless steel strip annealing furnace according to the present utility model
The main reference numerals are as follows:
1. a furnace body; 11. a feed inlet; 2. a placing rack; 21. a connecting seat; 211. a connecting groove; 212. a mating groove; 213. a limiting block; 3. a driving motor; 4. a rotating shaft; 41. a mounting groove; 42. a mating block; 421. a guide slope; 43. a compression spring; 5. a gas flow passage; 6. a circulation line; 7. a duct fan; 8. a gas tank; 9. a lifting table; 91. u-shaped standing groove.
Detailed Description
The following embodiments of the present utility model are described in terms of specific examples, and those skilled in the art will appreciate the advantages and capabilities of the present utility model from the disclosure herein. It should be noted that, the illustrations provided in the following embodiments are for illustration only, and are shown in schematic drawings, not physical drawings, and are not to be construed as limiting the utility model, and in order to better illustrate the embodiments of the utility model, certain components in the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
In the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., which are based on the azimuth or positional relationship shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, so that the terms describing the positional relationship in the drawings are merely for exemplary illustration and are not to be construed as limiting the present utility model, and that the specific meanings of the terms described above may be understood by those of ordinary skill in the art in view of the specific circumstances, and that in the description of the present application, the terms such as "first", "second", etc. are merely used for distinguishing the description and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 4, the stainless steel strip annealing furnace of the utility model comprises a furnace body 1, wherein a placing rack 2 is arranged in the furnace body 1, stainless steel strips to be annealed are stored on the placing rack 2, and a rotating unit for rotating the placing rack 2 in the annealing process and a gas circulating unit for circulating inert gas in the furnace body 1 are arranged in the furnace body 1.
In this embodiment, the rotation unit includes driving motor 3, and driving motor 3 passes through screw fixed mounting at the top of furnace body 1, and driving motor 3's output shaft upper key is connected with pivot 4, and in furnace body 1 roof stretched into furnace body 1 was passed in the one end rotation of pivot 4, set up connection structure in the pivot 4, make things convenient for the rotation unit to link to each other with rack 2.
In this embodiment, the connection structure is disposed at one end of the rotating shaft 4, the rotating shaft 4 is perpendicular to the axis of the rotating shaft 4 and provided with a mounting groove 41, two matching blocks 42 are relatively slidably mounted in the mounting groove 41, one end of the matching block 42 extends out of the mounting groove 41, and a compression spring 43 is elastically connected between the two matching blocks 42.
The upper end of the placing frame 2 is welded with a connecting seat 21, a connecting groove 211 is formed in the connecting seat 21 along the vertical direction, a matching groove 212 is formed in the inner wall of the connecting groove 211, and a limiting block 213 is welded in the matching groove 212. When the placing frame 2 is connected with the rotating unit, the placing frame 2 vertically ascends into the furnace body 1, the side wall of the connecting groove 211 in the process presses the matching block 42, the matching block 42 is contracted into the mounting groove 41, and when the placing frame continues to ascend to the furnace body 1 to be closed, the matching block 42 just corresponds to the matching groove 212, and the matching block 42 stretches into the matching groove 212. The driving motor 3 starts to drive the rotating shaft 4 to rotate, so that the limiting block 213 and the matching block 42 are in contact extrusion, and the placing frame 2 is driven to rotate. At this time, the furnace body 1 is subjected to heating annealing treatment, so that the stainless steel strip on the placement frame 2 is heated more uniformly, and the product quality is improved.
When discharging is needed, the placing frame 2 is only required to be driven to move downwards, and the matching block 42 is retracted into the mounting groove 41 under the extrusion action of the side wall of the connecting groove 211, so that the rotating unit is separated from the placing frame 2.
It will be appreciated that, in order to improve the mating effect between the connecting groove 211 and the mating block 42, guide slopes 421 are formed on both upper and lower sides of an end of the mating block 42 extending out of the mounting groove 41.
In this embodiment, the gas circulation unit includes a gas flow channel 5, the gas flow channel 5 is disposed in the furnace body 1, a circulation pipeline 6 is installed outside the furnace body 1, the circulation pipeline 6 passes through the inner wall of the furnace body 1 and is connected with the gas flow channel 5, a pipeline fan 7 is disposed in the circulation pipeline 6, and the pipeline fan 7 is fixedly installed on the outer wall of the furnace body 1 through screws. Inert gas is driven to circulate through the pipeline fan 7, so that the gas fluidity is improved. In order to reduce the heat loss on the circulation line 6, a heat insulating material may be provided outside the circulation line 6.
It will be appreciated that the rack 2 is of a multi-layered structure, with the gas outlet of the gas flow path 5 facing the rack 2 when the rack 2 is positioned in the lehr. The placing frame 2 is of a multi-layer structure, so that the number of stainless steel strips heated each time is increased, and the production efficiency is improved; through setting up gas runner 5, external pipeline fan 7 makes the inert gas circulation flow in the gas runner 5, improves gaseous mobility, in annealing process, lets inert gas and stainless steel strip fully contact, and the protection is effectual, improves product quality.
In the embodiment, the gas circulation unit further comprises a gas tank 8, the gas tank 8 is arranged on one side of the furnace body 1, the gas tank 8 is communicated with the circulation pipeline 6, and a control valve is arranged between the gas tank 8 and the circulation pipeline 6 to supplement inert gas into the furnace body 1.
In this embodiment, a feeding port 11 is formed in the bottom of the furnace body 1, a lifting table 9 is slidably mounted at the feeding port 11, a U-shaped placing groove 91 is formed in the lifting table 9, and the placing frame 2 is placed in the U-shaped placing groove 91. The feeding and discharging are controlled through the lifting table 9, and when the lifting table 9 ascends to the topmost end, the placing frame 2 is just connected with the rotating shaft 4 through a connecting structure.
The stainless steel strip annealing furnace provided by the utility model is described in detail above. The description of the specific embodiments is only intended to aid in understanding the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (7)
1. A stainless steel strip annealing furnace is characterized in that: the furnace comprises a furnace body (1), wherein a placing rack (2) is arranged in the furnace body (1), a rotating unit is arranged in the furnace body (1), and a gas circulation unit is arranged in the furnace body (1);
the rotating unit is used for enabling the placing frame (2) to rotate in the furnace body (1);
the gas circulation unit is used for circulating inert gas in the furnace body (1);
the gas circulation unit comprises a gas flow channel (5), the gas flow channel (5) is arranged in the furnace body (1), a circulation pipeline (6) is arranged outside the furnace body (1), the circulation pipeline (6) penetrates through the inner wall of the furnace body (1) and is connected with the gas flow channel (5), and a pipeline fan (7) is arranged in the circulation pipeline (6).
2. A stainless steel strip annealing furnace according to claim 1, wherein: the rotary unit comprises a driving motor (3), the driving motor (3) is fixedly arranged at the top of the furnace body (1), a rotating shaft (4) is fixedly connected to an output shaft of the driving motor (3), and a connecting structure is arranged on the rotating shaft (4).
3. A stainless steel strip annealing furnace according to claim 2, wherein: the top of the placement frame (2) is fixedly connected with a connecting seat (21), a connecting groove (211) is formed in the connecting seat (21) in the vertical direction, a matching groove (212) is formed in the inner wall of the connecting groove (211), and a limiting block (213) is fixedly connected in the matching groove (212);
one end of the rotating shaft (4) is provided with a mounting groove (41) perpendicular to the axis of the rotating shaft (4), two matching blocks (42) are relatively and slidably arranged in the mounting groove (41), one end of each matching block (42) extends out of the mounting groove (41), and a compression spring (43) is arranged between the two matching blocks (42).
4. A stainless steel strip annealing furnace according to claim 3, wherein: guide inclined planes (421) are arranged on the upper side and the lower side of one end, extending out of the mounting groove (41), of the matching block (42).
5. A stainless steel strip annealing furnace according to claim 1, wherein: the device also comprises a gas tank (8), wherein the gas tank (8) is communicated with the circulating pipeline (6).
6. A stainless steel strip annealing furnace according to claim 1, wherein: the bottom of furnace body (1) is provided with feed inlet (11), vertical slidable mounting in feed inlet (11) department has elevating platform (9), U-shaped standing groove (91) have been seted up on elevating platform (9), rack (2) are placed in U-shaped standing groove (91).
7. A stainless steel strip annealing furnace according to claim 1, wherein: the placing frame (2) is of a multi-layer structure, and when the placing frame (2) is positioned in the annealing furnace, the air outlet of the air flow channel (5) faces the placing frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320927762.0U CN220643177U (en) | 2023-04-23 | 2023-04-23 | Stainless steel strip annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320927762.0U CN220643177U (en) | 2023-04-23 | 2023-04-23 | Stainless steel strip annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220643177U true CN220643177U (en) | 2024-03-22 |
Family
ID=90264150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320927762.0U Active CN220643177U (en) | 2023-04-23 | 2023-04-23 | Stainless steel strip annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220643177U (en) |
-
2023
- 2023-04-23 CN CN202320927762.0U patent/CN220643177U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |