CN210560582U - Rapid preheating device for continuous annealing furnace - Google Patents
Rapid preheating device for continuous annealing furnace Download PDFInfo
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- CN210560582U CN210560582U CN201921768856.8U CN201921768856U CN210560582U CN 210560582 U CN210560582 U CN 210560582U CN 201921768856 U CN201921768856 U CN 201921768856U CN 210560582 U CN210560582 U CN 210560582U
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- continuous annealing
- threaded sleeve
- annealing furnace
- preheating device
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Abstract
The utility model discloses a quick preheating device for continuous annealing stove, including installation casing, threaded sleeve, nonrust corrugated steel pipe and operation window, install the adjustment threaded rod on the installation casing, the connecting rod is installed in the threaded sleeve outside, and the terminal and apical axis interconnect of connecting rod to the apical axis is installed in the work rest outside, the preheating roller is installed to the work rest inboard, and the work rest inboard is fixed with the cladding board to the interior trachea is installed to cladding board bottom, interior trachea and outer trachea interconnect, and outer trachea run through the installation casing to install nonrust corrugated steel pipe on the outer trachea, seted up the operation window on the installation casing simultaneously. This a quick preheating device for continuous annealing stove adopts neotype structural design for this device can carry out quick effectual preheating to belted steel, and energy utilization is rateed highly, and heat energy scatters and disappears fewly, can adjust to the belted steel of different thickness simultaneously, guarantees to preheat the effect.
Description
Technical Field
The utility model relates to a continuous annealing furnace technical field specifically is a quick preheating device for continuous annealing furnace.
Background
The continuous annealing furnace is a device used in the production of large carbon steel and alloy steel materials, for example, in the production process of strip steel, the use of the continuous annealing furnace can ensure that the surface of the produced strip steel is bright and the structural strength is high, and the preheating device is a device which can carry out waste heat on the strip steel before the strip steel enters the continuous annealing furnace for annealing.
With the continuous use of the preheating device of the continuous annealing furnace, the following problems are found in the practical operation process:
the existing preheating device mostly uses hot air to blow and preheat strip steel, the heat can be greatly dissipated after the hot air is blown out of the conveying mechanism, the utilization efficiency is low, the heating effect on the strip steel is poor, the strip steel with different thicknesses cannot be adjusted, and the overall applicability is poor.
It is therefore necessary to design a rapid preheating apparatus for a continuous annealing furnace in view of the above problems.
Disclosure of Invention
An object of the utility model is to provide a quick preheating device for continuous annealing stove to propose hot-blast in solving above-mentioned background art and blowing off conveying mechanism's back, the heat can scatter and disappear in a large number, leads to the utilization efficiency lower, and relatively poor to the heating effect of belted steel, and can't carry out the problem of adjusting to the belted steel of different thickness.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a quick preheating device for continuous annealing stove, is including installation casing, threaded sleeve, nonrust corrugated steel pipe and operation window, install the adjustment threaded rod on the installation casing, and install the threaded sleeve on the adjustment threaded rod to the threaded sleeve avris is fixed with the horizontal plate, the laminating of horizontal plate and spacing groove, and the spacing groove is seted up on installation shells inner wall, the connecting rod is installed in the threaded sleeve outside, and connecting rod end and apical axis interconnect to the apical axis is installed in the work rest outside, the preheating roller is installed to the work rest inboard, and the work rest inboard is fixed with the cladding board to the trachea in the cladding board bottom is installed, interior trachea and outer trachea interconnect, and outer trachea run through the installation casing to install nonrust corrugated steel pipe on the trachea, installed the operation window on the casing simultaneously.
Preferably, the adjusting threaded rod and the mounting shell form a rotating mechanism through a bearing arranged at the joint of the adjusting threaded rod and the mounting shell, the adjusting threaded rod is symmetrically distributed around the center of the mounting shell, and the screw thread directions of the two sides of the center of the adjusting threaded rod are opposite.
Preferably, the threaded sleeve is in welded connection with the horizontal plate, the horizontal plate is in sliding connection with the limiting groove, and the threaded sleeve is symmetrically distributed about the center of the adjusting threaded rod.
Preferably, the connecting rod forms a rotating mechanism with the threaded sleeve through a cylindrical shaft and the threaded sleeve which are arranged at the connecting part of the connecting rod and the threaded sleeve, and the connecting rod forms a rotating mechanism with the working frame through a top shaft.
Preferably, the cladding plate is made of rock wool, and a semicircular concave structure is arranged at the bottom of the cladding plate.
Preferably, the inner air pipe is distributed on the inner wall of the semicircular concave structure arranged at the bottom of the cladding plate in a bending shape, and the inner air pipe and the preheating roller are both of hollow tubular structures made of aluminum alloy materials.
Compared with the prior art, the beneficial effects of the utility model are that: the rapid preheating device for the continuous annealing furnace adopts a novel structural design, so that the device can rapidly and effectively preheat strip steel, has high energy utilization rate and less heat energy loss, and can adjust the strip steel with different thicknesses to ensure the preheating effect;
1. the position of the preheating structure can be adjusted by adjusting the structure consisting of the threaded rod, the threaded sleeve, the horizontal plate, the limiting groove, the connecting rod, the top shaft and the working frame, so that the preheating structure can be attached to band steel with different thicknesses, and the preheating effect is ensured;
2. the structure that preheating roller, cladding plate, interior trachea, outer trachea and nonrust corrugated steel pipe are constituteed can carry out quick preheating to belted steel to under nonrust corrugated steel pipe's effect, heat source pipeline can stretch out and draw back to a certain extent, avoid adjusting the structure and lead to the fact the influence to preheating the structure.
Drawings
Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is a schematic side view of the horizontal plate of the present invention;
FIG. 3 is a schematic side view of the horizontal plate and the limiting groove of the present invention;
FIG. 4 is a side view of the cross-sectional structure of the inner air tube of the present invention;
fig. 5 is a schematic view of the inner air duct structure of the present invention.
In the figure: 1. installing a shell; 2. adjusting the threaded rod; 3. a threaded sleeve; 4. a horizontal plate; 5. a limiting groove; 6. a connecting rod; 7. a top shaft; 8. a working frame; 9. a preheating roller; 10. a cladding sheet; 11. an inner trachea; 12. an outer trachea; 13. a stainless steel bellows; 14. and operating the window.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a rapid preheating device for a continuous annealing furnace comprises an installation shell 1, an adjusting threaded rod 2, a threaded sleeve 3, a horizontal plate 4, a limiting groove 5, a connecting rod 6, a top shaft 7, a working frame 8, a preheating roller 9, a cladding plate 10, an inner air pipe 11, an outer air pipe 12, a stainless steel corrugated pipe 13 and an operation window 14, wherein the adjusting threaded rod 2 is installed on the installation shell 1, the threaded sleeve 3 is installed on the adjusting threaded rod 2, the horizontal plate 4 is fixed on the lateral side of the threaded sleeve 3, the horizontal plate 4 is attached to the limiting groove 5, the limiting groove 5 is arranged on the inner wall of the installation shell 1, the connecting rod 6 is installed on the outer side of the threaded sleeve 3, the tail end of the connecting rod 6 is connected with the top shaft 7, the top shaft 7 is installed on the outer side of the working frame 8, the preheating roller 9 is installed on the inner side of the working frame 8, the cladding plate 10 is fixed on the inner side, the inner air pipe 11 and the outer air pipe 12 are connected with each other, the outer air pipe 12 penetrates through the installation shell 1, the stainless steel corrugated pipe 13 is installed on the outer air pipe 12, and an operation window 14 is opened on the installation shell 1.
In the embodiment, the adjusting threaded rod 2 and the mounting shell 1 form a rotating mechanism through a bearing arranged at the joint of the adjusting threaded rod and the mounting shell 1, the adjusting threaded rod 2 is symmetrically distributed about the center of the mounting shell 1, and the screw thread directions of the two sides of the center of the adjusting threaded rod 2 are opposite, and the structural design enables 1 adjusting threaded rod 2 to drive 2 screw sleeves 3 on the adjusting threaded rod to move in opposite directions by using screw threads in opposite screw directions when the adjusting threaded rod rotates;
the threaded sleeve 3 is connected with the horizontal plate 4 in a welding mode, the horizontal plate 4 is connected with the limiting groove 5 in a sliding mode, the threaded sleeve 3 is distributed symmetrically relative to the center of the adjusting threaded rod 2, and the structural design of the horizontal plate 4 and the limiting groove 5 guarantees that the threaded sleeve 3 can only move in the horizontal direction and cannot rotate when the adjusting threaded rod 2 drives the threaded sleeve 3;
the connecting rod 6 and the threaded sleeve 3 form a rotating mechanism through a columnar shaft arranged at the joint of the connecting rod 6 and the threaded sleeve 3, and the connecting rod 6 and the working frame 8 form the rotating mechanism through the top shaft 7;
the cladding plate 10 is made of rock wool, the bottom of the cladding plate 10 is provided with a semicircular concave structure, the cladding plate 10 can be relatively attached to the preheating roller 9 due to the structural design, and the cladding plate has a certain heat preservation effect and can greatly slow down the heat dissipation speed;
The working principle is as follows: when the device is used, firstly, the device in FIG. 2 is integrally close to a feeding port of the continuous annealing furnace, an operation window 14 on the left side of the installation shell 1 is aligned with the feeding port of the continuous annealing furnace, and strip steel to be preheated sequentially passes through the operation window 14 on the right side of the installation shell 1, 2 preheating rollers 9 and the operation window 14 on the left side of the installation shell 1 from right to left;
then, the adjusting threaded rods 2 on two sides of the lower working frame 8 in the figure 1 are simultaneously rotated, when the adjusting threaded rods 2 rotate, threads with opposite spiral directions on two sides of the center drive the 2 lower threaded sleeves 3 in the figure 2 to be away from each other, the threaded sleeves 3 drive the horizontal plates 4 to stably slide and displace in the limiting grooves 5, the 2 away threaded sleeves 3 pull the connecting rods 6 to rotate the connecting rods 6, the included angle between the connecting rods 6 and the horizontal plane is reduced, the connecting rods 6 pull up the lower working frame 8 upwards, the preheating rollers 9 arranged on the inner side of the lower working frame 8 in the figure 1 lift up the strip steel until the strip steel is flush with the inlet of the continuous annealing furnace, and the adjusting threaded rods 2 on two sides of the lower working frame 8 in the figure 1 are stopped rotating, so that the strip steel can be kept horizontal, and the subsequent annealing operation can be smoothly carried;
then, the adjusting threaded rods 2 on two sides of the upper working frame 8 in fig. 1 are simultaneously rotated, when the adjusting threaded rods 2 rotate, the threads with opposite spiral directions on two sides of the center drive the 2 upper threaded sleeves 3 in fig. 2 to be away from each other, the threaded sleeves 3 drive the horizontal plates 4 to stably slide and displace in the limiting grooves 5, the 2 away threaded sleeves 3 pull the connecting rods 6 to rotate the connecting rods 6, the included angle between the connecting rods 6 and the horizontal plane is reduced, the connecting rods 6 do not continuously jack up the upper working frame 8 to a fixed higher position, the height of the upper working frame 8 is reduced, the preheating rollers 9 arranged on the inner side of the upper working frame 8 in fig. 1 move downwards, the upper preheating rollers 9 are in contact with strip steel on the lower preheating rollers 9, and the adjusting threaded rods 2 on two sides of the upper working frame 8 are stopped to rotate;
then, an external hot air blower is used for providing hot air for an outer air pipe 12, the hot air enters an inner air pipe 11 through the outer air pipe 12 and a stainless steel corrugated pipe 13, the stainless steel corrugated pipe 13 can stretch in a certain range, so that the working frame 8 can freely move up and down, the inner air pipe 11 which is bent and covers the half side of the preheating roller 9 transmits the heat of the hot air to the preheating roller 9, the preheating roller 9 is heated, the preheating roller 9 is contacted with the strip steel, the preheating roller 9 heats the strip steel simultaneously on the upper surface and the lower surface, the strip steel is pushed to move into the continuous annealing furnace, the strip steel drives the preheating roller 9 to rotate, the heat of the contact part of the preheating roller 9 and the strip steel is transmitted to the strip steel, but the preheating roller 9 continuously rotates in the moving process of the strip steel, the preheating roller continuously receives the heating of the inner air pipe 11, the heat is isolated by matching with the coating plate 10 made of rock wool, the preheating effect is ensured, and the rapid heat dissipation is also avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A rapid preheating device for a continuous annealing furnace, comprising a mounting casing (1), a threaded sleeve (3), a corrugated stainless steel tube (13) and an operating window (14), characterized in that: the mounting device is characterized in that an adjusting threaded rod (2) is mounted on the mounting shell (1), a threaded sleeve (3) is mounted on the adjusting threaded rod (2), a horizontal plate (4) is fixed on the side of the threaded sleeve (3), the horizontal plate (4) is attached to a limiting groove (5), the limiting groove (5) is formed in the inner wall of the mounting shell (1), a connecting rod (6) is mounted on the outer side of the threaded sleeve (3), the tail end of the connecting rod (6) is connected with a top shaft (7) in an interconnecting mode, the top shaft (7) is mounted on the outer side of a working frame (8), a preheating roller (9) is mounted on the inner side of the working frame (8), a cladding plate (10) is fixed on the inner side of the working frame (8), an inner air pipe (11) is mounted at the bottom end of the cladding plate (10), the inner air pipe (11) is connected with an outer air pipe (12) in an interconnecting, and the outer air pipe (12) is provided with a stainless steel corrugated pipe (13), and the installation shell (1) is provided with an operation window (14).
2. The rapid preheating device for a continuous annealing furnace according to claim 1, wherein: the adjusting threaded rod (2) and the mounting shell (1) form a rotating mechanism through a bearing arranged at the joint of the adjusting threaded rod and the mounting shell (1), the adjusting threaded rod (2) is distributed in a central symmetry mode about the mounting shell (1), and the thread spiral directions of two sides of the center of the adjusting threaded rod (2) are opposite.
3. The rapid preheating device for a continuous annealing furnace according to claim 1, wherein: threaded sleeve (3) and horizontal plate (4) are welded connection, and horizontal plate (4) and spacing groove (5) are sliding connection to threaded sleeve (3) is about adjusting threaded rod (2) central symmetry distribution.
4. The rapid preheating device for a continuous annealing furnace according to claim 1, wherein: the connecting rod (6) forms a rotating mechanism with the threaded sleeve (3) through a cylindrical shaft arranged at the joint of the connecting rod and the threaded sleeve (3), and the connecting rod (6) forms a rotating mechanism with the working frame (8) through a top shaft (7).
5. The rapid preheating device for a continuous annealing furnace according to claim 1, wherein: the cladding plate (10) is made of rock wool, and a semicircular concave structure is arranged at the bottom of the cladding plate (10).
6. The rapid preheating device for a continuous annealing furnace according to claim 1, wherein: the inner air pipe (11) is distributed on the inner wall of a semicircular concave structure arranged at the bottom of the cladding plate (10) in a bending shape, and the inner air pipe (11) and the preheating roller (9) are both of hollow tubular structures made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921768856.8U CN210560582U (en) | 2019-10-21 | 2019-10-21 | Rapid preheating device for continuous annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921768856.8U CN210560582U (en) | 2019-10-21 | 2019-10-21 | Rapid preheating device for continuous annealing furnace |
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| Publication Number | Publication Date |
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| CN210560582U true CN210560582U (en) | 2020-05-19 |
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| CN201921768856.8U Active CN210560582U (en) | 2019-10-21 | 2019-10-21 | Rapid preheating device for continuous annealing furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115232944A (en) * | 2022-07-08 | 2022-10-25 | 江苏甬金金属科技有限公司 | Continuous annealing furnace capable of achieving quick furnace drawing and used for machining alloy steel parts |
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2019
- 2019-10-21 CN CN201921768856.8U patent/CN210560582U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115232944A (en) * | 2022-07-08 | 2022-10-25 | 江苏甬金金属科技有限公司 | Continuous annealing furnace capable of achieving quick furnace drawing and used for machining alloy steel parts |
| CN115232944B (en) * | 2022-07-08 | 2023-12-19 | 江苏甬金金属科技有限公司 | Continuous annealing furnace capable of rapidly lifting furnace for processing alloy steel parts |
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