CN215975990U

CN215975990U - Galvanizing equipment

Info

Publication number: CN215975990U
Application number: CN202122245515.6U
Authority: CN
Inventors: 王洪义
Original assignee: Tianjin Yu Run De Metal Products Co ltd
Current assignee: Tianjin Yu Run De Metal Products Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-03-08
Anticipated expiration: 2031-09-16

Abstract

The utility model relates to the technical field of galvanized strip steel, in particular to a galvanizing device, which comprises an annealing furnace and a galvanizing device, wherein the annealing furnace comprises a quick heating box, a soaking box and a slow cooling box, a strip steel feeding channel is arranged on one side of the quick heating box, the strip steel feeding channel is communicated with the quick heating box, a feeding roller is arranged in the strip steel feeding channel, the soaking box is arranged on one side of the quick heating box, the soaking box is communicated with the quick heating box, the slow cooling box is arranged on one side of the soaking box, and the slow cooling box is communicated with the soaking box. The utility model is provided with a nozzle and a cooling chamber, the strip steel which is immersed in zinc liquid from a molten pool is cooled by the cooling chamber after passing through a pair of nozzles for controlling the thickness of a coating.

Description

Galvanizing equipment

Technical Field

The utility model relates to the technical field of galvanized strip steel, in particular to a galvanizing device.

Background

At present, the steel strip is a narrow and long steel plate produced by various steel rolling enterprises in order to meet the requirements of different industrial departments for industrially producing various types of metal or mechanical products, the steel strip is also called steel strip, the width of the steel strip is within 1300mm, the length of the steel strip is slightly different according to the size of each roll, the steel strip is generally supplied in a roll, and the steel strip is divided into two types of common steel strip and high-quality steel strip according to the used materials; the method comprises two types of hot rolled steel strips and cold rolled steel strips according to the processing method.

The existing hot-dip galvanized strip steel production process comprises strip steel substrate rolling and hot dip galvanizing, the thickness of the hot dip galvanized strip steel consists of the substrate thickness and the zinc layer thickness, in the hot dip galvanizing process, an air knife is usually adopted to sweep the strip steel passing through a hot dip galvanizing zinc pot so as to control the zinc layer thickness of the hot dip galvanized strip steel, and due to the characteristics of the air knife which is usually adopted, the air flow divergence phenomenon exists at the edge of the strip steel, the galvanized strip steel forms a horn coil defect on a hot dip galvanized steel coil after being coiled, the use of the galvanized strip steel is influenced, and the cost of hot dip galvanized zinc and zinc alloy coating metal is greatly increased.

The present invention thus provides a galvanization apparatus to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a galvanizing equipment for overcoming the defects in the prior art, which is provided with a nozzle and a cooling chamber, wherein a strip steel which is immersed in zinc liquid from a molten pool is cooled by the cooling chamber after passing through a pair of nozzles for controlling the thickness of a coating, the thickness of the galvanized strip steel from the edge to the middle can be uniform by the nozzle, and the problem of trumpet-shaped defects caused by the thickening of a zinc layer at the edge of the strip steel is solved.

The technical scheme adopted by the utility model for solving the technical problems is as follows: galvanizing equipment comprises an annealing furnace and a galvanizing device, wherein the annealing furnace comprises a rapid heating box, a soaking box and a slow cooling box, one side of the rapid heating box is provided with a strip steel feeding channel, the strip steel feeding channel is communicated with the rapid heating box, a feeding roller is arranged in the strip steel feeding channel, the soaking box is arranged on one side of the rapid heating box, the soaking box is communicated with the rapid heating box, the slow cooling box is arranged on one side of the soaking box, the slow cooling box is communicated with the soaking box, a plurality of guide rollers for conveying strip steel are arranged in the rapid heating box, the soaking box and the slow cooling box, the galvanizing device is arranged on one side of the annealing furnace, the galvanizing device comprises a galvanizing pool and a sinking roller, a deflection roller A and a deflection roller B which are arranged in the galvanizing pool, a zinc bath is arranged in the pool, and the deflection roller A is arranged at the upper end of the sinking roller, the deflection roller B is arranged at the upper end of the deflection roller a.

Furthermore, one side of the slow cooling box is also provided with a quick cooling box, one end of the quick cooling box is communicated with the slow cooling box, and the other end of the quick cooling box is arranged above the galvanizing pool.

Further, the inside of quick cooling box installs guide roller, carry over pinch rolls A, carry over pinch rolls B and carry over pinch rolls C, and mutual drive is connected between carry over pinch rolls A and the first driving motor, and mutual drive is connected between carry over pinch rolls B and the second driving motor.

Further, the input end of the first driving motor is connected with a controller A, the input end of the second driving motor is connected with a controller B, and the controller A and the controller B both adopt SCR controllers.

Furthermore, gaps are reserved among the soaking box, the rapid heating box and the slow cooling box.

Further, a nozzle for controlling the spraying thickness is arranged above the galvanizing pool.

Furthermore, a cooling chamber is arranged at the upper end of the nozzle, and a discharging roller for drawing the strip steel to discharge is arranged at the upper end of the cooling chamber.

The utility model has the advantages that: the utility model provides a galvanizing device, which comprises an annealing furnace and a galvanizing device, wherein the annealing furnace comprises a quick heating box, a soaking box and a slow cooling box, a strip steel feeding channel is arranged on one side of the quick heating box, and the galvanizing device comprises a galvanizing pool, and a sink roll, a deflection roll A and a deflection roll B which are arranged in the galvanizing pool.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a part of the enlarged structure at A in the present invention;

wherein:

1. strip steel; 2. A strip steel feed channel; 3. An annealing furnace;

4. a feed roll; 5. A guide roller; 6. Rapidly heating the box;

7. a soaking tank; 8. A slow cooling box; 9. A rapid cooling box;

10. a galvanizing pool; 11. A cooling chamber; 12. Sinking the roller;

13. zinc bath; 14. A deflection roller A; 15. A deflection roller B;

16. a nozzle; 17. A discharging roller; 18. A drawing roll A;

19. a drawing roll B; 20. A drawing roll C; 21. A first drive motor;

22. a controller A; 23. A second drive motor; 24. And a controller B.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly specified or limited, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

fig. 1 is a schematic structural view of the present invention, fig. 2 is a schematic partial enlarged structural view at a point a in the present invention, and the galvanizing apparatus shown in fig. 1 and fig. 2 includes an annealing furnace 3 and a galvanizing device, and is characterized in that: the annealing furnace 3 comprises a rapid heating box 6, a soaking box 7 and a slow cooling box 8, one side of the rapid heating box 6 is provided with a strip steel feeding channel 2, the strip steel feeding channel 2 is communicated with the rapid heating box 6, a feeding roller 4 is arranged in the strip steel feeding channel 2, the soaking box 7 is arranged on one side of the rapid heating box 6, the soaking box 7 is communicated with the rapid heating box 6, the slow cooling box 8 is arranged on one side of the soaking box 7, the slow cooling box 8 is communicated with the soaking box 7, a plurality of guide rollers 5 used for conveying strip steel 1 are arranged in the rapid heating box 6, the soaking box 7 and the slow cooling box 8, the galvanizing device is arranged on one side of the annealing furnace 3 and comprises a galvanizing pool 10 and a sinking roller 12, a deflection roller A14 and a deflection roller B15 which are arranged in the galvanizing pool 10, the deflection roller A14 is arranged at the upper end of the sink roll 12, the deflection roller B15 is arranged at the upper end of the deflection roller A14, each traction roller in the utility model is driven by a motor, and a separate silicon controlled rectifier controller is adopted to control the motor drive of each traction roller, and the motor is controlled by the SCR controller.

Example 2:

fig. 1 is a schematic structural diagram of the present invention, fig. 2 is a schematic partial enlarged structural diagram of a position a in the present invention, and as for the galvanizing apparatus shown in fig. 1 and fig. 2, a quick cooling tank 9 is further disposed on one side of a slow cooling tank 8, one end of the quick cooling tank 9 is communicated with the slow cooling tank 8, the other end of the quick cooling tank 9 is disposed above the galvanizing bath 10, a guide roller 5, a traction roller a18, a traction roller B19 and a traction roller C20 are disposed inside the quick cooling tank 9, the traction roller a18 is in driving connection with a first driving motor 21, the traction roller B19 is in driving connection with a second driving motor 23, an input end of the first driving motor 21 is connected with a controller a22, an input end of the second driving motor 23 is connected with a controller B24, the controller a22 and the controller B24 both adopt SCR controllers, gaps are left between a soaking tank 7 and a quick heating tank 6, and the slow cooling tank 8, a nozzle 16 for controlling the spraying thickness is arranged above the galvanizing bath 10, a cooling chamber 11 is arranged at the upper end of the nozzle 16, a discharging roller 17 for drawing the strip steel 1 to discharge is arranged at the upper end of the cooling chamber 11, and the strip steel 1 cooled by the cooling chamber 11 is guided and conveyed by the discharging roller 17.

The working mode is as follows: the utility model discloses a galvanizing equipment, comprising an annealing furnace 3 and a galvanizing device, wherein when in use, a strip steel 1 enters a rapid heating box 6 in the annealing furnace 3 from a strip steel feed channel 2 through a feed roller 4 for preheating and annealing, a controlled or reducing atmosphere is contained in the annealing furnace 3 to prevent the surface of the strip steel 1 from being oxidized before entering a zinc bath 13 in a conventional manner, each traction roller in the utility model is driven by a motor, the motor drive of each traction roller is controlled by a separate silicon controlled rectifier controller, the motor is controlled by the SCR controller, the galvanizing device in the utility model comprises a galvanizing pool 10, a sinking roller 12, a deflecting roller A14 and a deflecting roller B15 which are arranged in the galvanizing pool 10, the galvanizing pool 10 is internally provided with the zinc bath 13, the strip steel 1 bypasses the sinking roller 12 immersed in the zinc bath 13 and then passes upwards through a pair of deflecting rollers, the utility model is provided with a nozzle 16 and a cooling chamber 11, a strip steel 1 immersed in zinc liquid from a molten pool passes through the nozzle 16 for controlling the thickness of a coating layer and then is cooled in the cooling chamber 11, and the cooled strip steel 1 is guided by a discharging roller 17 and conveyed to the next process.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. Galvanizing equipment comprises an annealing furnace (3) and a galvanizing device, and is characterized in that: the annealing furnace (3) comprises a rapid heating box (6), a soaking box (7) and a slow cooling box (8), a strip steel feeding channel (2) is arranged on one side of the rapid heating box (6), the strip steel feeding channel (2) is communicated with the rapid heating box (6), a feeding roller (4) is arranged in the strip steel feeding channel (2), the soaking box (7) is arranged on one side of the rapid heating box (6), the soaking box (7) is communicated with the rapid heating box (6), the slow cooling box (8) is arranged on one side of the soaking box (7), the slow cooling box (8) is communicated with the soaking box (7), a plurality of guide rollers (5) for conveying the strip steel (1) are arranged in the rapid heating box (6), the soaking box (7) and the slow cooling box (8), the galvanizing device is arranged on one side of the annealing furnace (3), the galvanizing device comprises a galvanizing pool (10), and a sink roll (12), a deflection roll A (14) and a deflection roll B (15) which are arranged in the galvanizing pool (10), wherein a zinc bath (13) is arranged in the galvanizing pool (10), the deflection roll A (14) is arranged at the upper end of the sink roll (12), and the deflection roll B (15) is arranged at the upper end of the deflection roll A (14).

2. The galvanizing apparatus according to claim 1, characterized in that: one side of the slow cooling box (8) is also provided with a quick cooling box (9), one end of the quick cooling box (9) is communicated with the slow cooling box (8), and the other end of the quick cooling box (9) is arranged above the galvanizing pool (10).

3. The galvanizing apparatus according to claim 2, characterized in that: the inside mounting of quick-cooling case (9) has guide roller (5), carry over pinch rolls A (18), carry over pinch rolls B (19) and carry over pinch rolls C (20), and carry over pinch rolls A (18) and mutual drive connection between first driving motor (21), carry over pinch rolls B (19) and mutual drive connection between second driving motor (23).

4. The galvanizing apparatus according to claim 3, characterized in that: the input end of the first driving motor (21) is connected with a controller A (22), the input end of the second driving motor (23) is connected with a controller B (24), and SCR controllers are adopted by the controller A (22) and the controller B (24).

5. The galvanizing apparatus according to claim 1, characterized in that: gaps are reserved among the soaking box (7), the rapid heating box (6) and the slow cooling box (8).

6. The galvanizing apparatus according to claim 1, characterized in that: and a nozzle (16) for controlling the spraying thickness is arranged above the galvanizing pool (10).

7. The galvanizing apparatus according to claim 6, characterized in that: the upper end of the nozzle (16) is provided with a cooling chamber (11), and the upper end of the cooling chamber (11) is provided with a discharging roller (17) for drawing the strip steel (1) to discharge.