Device for reducing oxide scale in front of annealing furnace
By designing a device to reduce iron oxide before annealing furnace including wire brush rollers, universal shaft couplings, motors, cylinders and worm gears, the problem of roll printing caused by the adhesion of iron oxide in hot-rolled annealing pickling line production is solved, and the effect of effectively removing impurities and iron oxide is achieved, reducing the incidence of roll printing and improving product quality is achieved.
Patent Information
- Application Number
- CN202421213836.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-05-30
AI Technical Summary
During the production process of hot-rolled annealing pickling line, the surface of the hot-rolled coil has more iron oxide sheets and is prone to adhere to the support rollers in the preheating section and the heating section, resulting in roll printing and affecting product quality.
A device for reducing iron oxide before annealing furnace is designed, including wire brush rollers, universal shaft couplings, motors, cylinders and worm gears and worm mechanisms. The wire brush rollers are used to effectively remove impurities on the surface of the steel belt and iron oxide sheets to reduce the occurrence of roller printing.
This device can effectively reduce the adhesion of impurities on the surface of steel strip and iron oxide sheet, reduce the incidence of roll printing, improve product quality, and have a reasonable structural design, safe, reliable, and economical and effective.
Smart Images
Figure CN222551464U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a device, in particular to a device for reducing iron oxide scale in front of an annealing furnace, and belongs to the production field of hot rolling annealing and pickling lines. Background Art
[0002] In the production process of hot rolling annealing and pickling line, there is usually a lot of iron oxide scale on the surface of hot rolled coils. The maximum temperature in the annealing furnace is 1200℃, and the maximum temperature in the preheating section in front of the furnace is 700℃. There are corresponding support rollers in the furnace to support the steel strip. In the past production process, the surfaces of the two support rollers in the preheating section often adhere to iron oxide scale, impurities, iron shavings, and some attachments brought from the unwinding process due to the influence of high temperature.
[0003] Therefore, adding a set of wire brush rollers in front of the furnace can effectively reduce the attachments on the lower surface of the steel strip and the iron oxide scale on the surface of the support rollers in the preheating and heating sections, thereby reducing the occurrence of pit roller marks. This facility is economical and effective, and has a great effect on improving product quality. Utility Model Content
[0004] The utility model aims to overcome the above-mentioned shortcomings in the prior art and to provide an annealing furnace front-end iron oxide scale reducing device which has a reasonable structural design, is safe and reliable, can effectively reduce impurities on the surface of the steel strip, and reduces the incidence of roller marks.
[0005] The technical solution adopted by the utility model to solve the above-mentioned problem is: the device for reducing iron oxide scale in front of the annealing furnace includes a bearing seat, a cylinder, a cylinder base, and a worm gear mechanism, the cylinder is installed on the cylinder base, and is characterized in that it also includes a wire brush roller, a universal shaft coupling and a motor, bearing seats are arranged on both sides of the wire brush roller, the wire brush roller is connected to the motor through the universal shaft coupling, and a set of cylinders is added to the bottom of the wire brush roller, and the cylinder is matched with the worm gear mechanism.
[0006] Preferably, the utility model further comprises a bearing cover, a bearing and a nut. A bearing cover is arranged on the side of the bearing seat. The bearing cover and the bearing seat are connected by a nut. A bearing is arranged inside the bearing seat.
[0007] Preferably, the utility model further comprises a second bolt, and the cylinder is mounted on the cylinder base via the second bolt.
[0008] Preferably, the wire brush roller of the utility model adopts a φ180mm steel roller as a base roller core, and a φ350mm×2200mm brush cover is applied to the outside of the roller core.
[0009] Compared with the prior art, the utility model has the following advantages and effects: the overall structural design is reasonable, safe and reliable, economical, convenient and effective, and can eliminate impurities on the lower surface of the steel strip, abnormal oxidized iron scale and other things adhering to the surface of the steel strip to the greatest extent, so as to reduce the incidence of roller marks caused by the steel strip adhering to the support rollers in the furnace when entering the furnace, thereby improving product quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a main structural schematic diagram of an embodiment of the utility model.
[0011] Figure 2 yes Figure 1 Schematic diagram of the AA cross-sectional structure.
[0012] Figure 3 A side structural schematic diagram of an embodiment of the utility model.
[0013] In the figure: bearing cover 1, bearing seat 2, bearing 3, nut 1 4, wire brush roller 5, sealing ring 6, sleeve 7, key 8, bolt 1 9, universal joint coupling 10, motor 11, bracket base 12, nut 2 13, universal joint 14, bolt 2 15, cylinder 16, cylinder base 17, bracket 18, worm gear mechanism 19. DETAILED DESCRIPTION
[0014] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.
[0015] Example
[0016] See also Figures 1 to 3 The device for reducing iron oxide scale in front of the annealing furnace in this embodiment comprises a bearing seat 2, a wire brush roller 5, a universal shaft coupling 10 and a motor 11, a cylinder 16, a cylinder base 17 and a worm gear mechanism 19. The cylinder 16 is installed on the cylinder base 17. Bearing seats 2 are arranged on both sides of the wire brush roller 5. The wire brush roller 5 is connected to the motor 11 through the universal shaft coupling 10. A set of cylinders 16 is added to the bottom of the wire brush roller 5. The cylinder 16 is matched with the worm gear mechanism 19. The height of the overall brush roller is manually adjusted through the worm gear mechanism 19, so that the wire brush can effectively contact the lower surface of the strip.
[0017] In this embodiment, a bearing cover 1 is arranged on the side of the bearing seat 2, and the bearing cover 1 is connected to the bearing seat 2 through a nut 4, and a bearing 3 is arranged inside the bearing seat 2.
[0018] In this embodiment, a sleeve 7 is disposed outside the wire brush roller 5 , a sealing ring 6 is disposed outside the bearing cover 1 , and a key 8 is disposed in a corresponding keyway of the wire brush roller 5 .
[0019] In this embodiment, the nut 1 4 adopts an M6 hexagonal nut, and the nut 2 13 adopts an M10 hexagonal nut; the bolt 1 9 adopts an M16 bolt, and the bolt 2 15 adopts an M30 bolt.
[0020] The cylinder 16 in this embodiment is mounted on the cylinder base 17 by means of bolts 15 ; the bracket 18 is fixed on the bracket base 12 .
[0021] The wire brush roller 5 in this embodiment uses a φ180mm steel roller as a base roller core, and a φ350*2200 brush cover is applied to the outside of the roller core.
[0022] In this embodiment, a 15kw transmission motor 11 is connected through a universal joint coupling 10; the wire brush roller 5 is equipped with a worm gear mechanism 19, and the worm gear mechanism 19 is used to adjust the height of the entire brush roller; a cylinder 16 is added to the bottom of the wire brush roller 5, and the steel belt plays a role in maintaining pressure at any time during operation.
[0023] When working, first manually adjust the worm gear mechanism 19 to make the bristles of the wire brush roller 5 contact the lower surface of the strip steel. At the same time, the bottom cylinder is lifted so that the wire brush roller 5 can effectively contact the strip steel. After using it for a period of time, the bristles of the wire brush roller 5 become shorter. The brush roller is adjusted upward by manually adjusting the worm gear mechanism 19, which effectively solves the problem of idling caused by the bristles not contacting the strip steel.
[0024] Through the above description, those skilled in the art can already implement it.
[0025] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is only an example of the structure of the utility model. All equivalent changes or simple changes made based on the structure, features and principles described in the patent concept of the utility model are included in the protection scope of the utility model patent. Technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the protection scope of the utility model.
Claims
1. A device for reducing iron oxide scale in front of an annealing furnace, comprising a bearing seat (2), a cylinder (16), a cylinder base (17), and a worm gear mechanism (19), wherein the cylinder (16) is mounted on the cylinder base (17), and is characterized in that: The invention also comprises a wire brush roller (5), a universal shaft coupling (10) and a motor (11), wherein bearing seats (2) are arranged on both sides of the wire brush roller (5), the wire brush roller (5) is connected to the motor (11) via the universal shaft coupling (10), and a set of cylinders (16) is added to the bottom of the wire brush roller (5), and the cylinders (16) are matched with the worm gear mechanism (19).
2. The device for reducing iron oxide scale in front of an annealing furnace according to claim 1, characterized in that: It also comprises a bearing cover (1), a bearing (3) and a nut (4); the side of the bearing seat (2) is provided with a bearing cover (1); the bearing cover (1) and the bearing seat (2) are connected via a nut (4); and the interior of the bearing seat (2) is provided with a bearing (3).
3. The device for reducing iron oxide scale in front of an annealing furnace according to claim 1, characterized in that: It also includes a second bolt (15), and the cylinder (16) is mounted on the cylinder base (17) via the second bolt (15).
4. The device for reducing iron oxide scale in front of an annealing furnace according to claim 1, characterized in that: The wire brush roller (5) uses a φ180 mm steel roller as a base roller core, and a φ350 mm×2200 mm brush sleeve is sleeved on the outside of the roller core.