Aerosol cooling device for continuous casting billet

Abstract

The utility model relates to the technical field of metallurgy, in particular to a continuous casting billet aerial fog cooling device which comprises a groove body, the groove body is arranged on one side of a horizontal conveyor, a continuous casting billet is conveyed on the horizontal conveyor, a cooling cavity is arranged in the groove body, cooling water is filled in the cooling cavity, and the cooling water is filled in the cooling cavity. An aerial fog cooling mechanism and a water pumping mechanism are arranged in the cooling cavity; the water pumping mechanism can pump cooling water in the cooling cavity into the aerial fog cooling mechanism; the position of the aerial fog cooling mechanism is matched with the position of the continuous casting billet on the horizontal conveyor, the continuous casting billet can enter the aerial fog cooling mechanism, the aerial fog cooling mechanism is adopted, the continuous casting billet can be rapidly cooled in a sealed scene, and due to the fact that heat interaction between the whole scene and external air is little, cooling tends to be even. The cooling device solves the problems that an existing cooling device uses an open type cooling structure, the temperature is prone to fast change in an open type scene during cooling, and the cooling effect is uneven in distribution.

Description

Technical Field

[0001] The utility model relates to the technical field of metallurgy, in particular to an aerosol cooling device for continuous casting billets. Background Art

[0002] A continuous casting billet is a plate-shaped, rectangular or circular billet formed after molten steel is processed through components such as a tundish and a mold during the steelmaking process. After the continuous casting billet is obtained, it needs to be transported, cooled, and sampled for inspection. Unqualified continuous casting billets need to be remelted and processed.

[0003] During the transportation of continuous casting billets, due to their high surface temperature, directly transporting them to the aerosol cooling section will cause their surface to cool rapidly, while the core temperature cannot be transferred quickly, resulting in local stress concentration and surface cracks. To address this problem, aerosol cooling is usually used for cooling. For example, the Chinese patent with the publication number CN204711141U provides a structure for cooling continuous casting billets by water nozzle spraying. It uses an open cooling structure, and during cooling, the open scenario is prone to rapid temperature changes, resulting in uneven cooling effects. Summary of the Utility Model

[0004] The utility model aims at the above problems and provides an aerosol cooling device for continuous casting billets.

[0005] The technical solution adopted is that the aerosol cooling device for continuous casting billets includes a tank body. The tank body is arranged on one side of a horizontal conveyor, and a continuous casting billet is transported on the horizontal conveyor. A cooling cavity is arranged in the tank body, and the cooling cavity is filled with cooling water. An aerosol cooling mechanism and a water pumping mechanism are arranged in the cooling cavity;

[0006] The water pumping mechanism can pump the cooling water in the cooling cavity into the aerosol cooling mechanism;

[0007] The position of the aerosol cooling mechanism is adapted to the position of the continuous casting billet on the horizontal conveyor, and the continuous casting billet can enter the aerosol cooling mechanism.

[0008] Optionally, the feeding end of the aerosol cooling mechanism faces the horizontal conveyor, and the discharging end of the aerosol cooling mechanism faces the rolling mill conveying roller.

[0009] Optionally, the water pumping mechanism includes a first fixing platform, a water pump, a liquid inlet pipe, and a first liquid delivery pipe;

[0010] The first fixing platform is arranged in the cooling cavity, and the top of the first fixing platform is above the liquid level of the cooling water;

[0011] The water pump is arranged on the top of the first fixing platform. The liquid inlet end of the water pump is connected to one end of the liquid inlet pipe, and the liquid delivery end of the water pump is communicated with the aerosol cooling mechanism through the first liquid delivery pipe;

[0012] The other end of the liquid inlet pipe is inserted into the cooling water.

[0013] Optionally, the aerosol cooling mechanism includes a second fixing table, an aerosol cooling pipe, and a second liquid delivery pipe;

[0014] The second fixing table is arranged in the cooling cavity, arranged side by side with the first fixing table, and the top of the second fixing table is above the liquid level of the cooling water;

[0015] The second liquid delivery pipe is connected to the first liquid delivery pipe, and the second liquid delivery pipe is arranged on the top of the aerosol cooling pipe;

[0016] The aerosol cooling pipe is arranged on the second fixing table, a liquid discharge port is arranged at the bottom of the aerosol cooling pipe, and the continuous casting billet can enter the aerosol cooling pipe.

[0017] Optionally, an aerosol cooling cavity is arranged in the aerosol cooling pipe, an aerosol spray head is arranged in the aerosol cooling cavity, the liquid inlet end of the aerosol spray head is communicated with the second liquid delivery pipe, and the liquid outlet end of the aerosol spray head faces downward.

[0018] Optionally, continuous rollers are arranged in the aerosol cooling cavity along the extending direction of the aerosol cooling pipe, and the continuous casting billet can move on the continuous rollers.

[0019] Optionally, a reinforcing plate is further arranged on the second fixing table, and the reinforcing plate is located on both sides of the aerosol cooling pipe.

[0020] The advantages of the present utility model include:

[0021] 1. By adopting the aerosol cooling mechanism, the continuous casting billet can be quickly cooled in a relatively sealed scenario. Since the heat exchange between the entire scenario and the external air is less, the cooling becomes more uniform.

[0022] 2. It solves the problem that the existing cooling device uses an open cooling structure, and the open scenario is prone to rapid temperature changes during cooling, resulting in uneven cooling effect distribution. Description of the Drawings

[0023] Figure 1 It is a schematic structural diagram of a continuous casting billet aerosol cooling device;

[0024] Figure 2 It is a schematic connection structure diagram of the aerosol cooling mechanism and the water pumping mechanism;

[0025] Figure 3 It is a schematic end structure diagram of the aerosol cooling mechanism.

[0026] Among them, the reference numerals: 3 is a horizontal conveyor, 20 is a trough body, 21 is a cooling chamber, 22 is a steel rolling conveyor roller, 23 is an aerosol cooling pipe, 24 is a second fixing table, 25 is a reinforcing plate, 26 is a first fixing table, 27 is a liquid inlet pipe, 28 is a first liquid delivery pipe, 29 is a second liquid delivery pipe, 30 is a water pump, 31 is a liquid discharge port, 32 is a continuous roller, 33 is an aerosol nozzle, 34 is an aerosol cooling chamber. Specific embodiments

[0027] The following specific examples illustrate the implementation manners of the present utility model. Those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. The present utility model can also be implemented or applied through other different specific implementation manners. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present utility model. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0028] It should be noted that the drawings provided in the following embodiments only illustrate the basic concept of the present utility model in a schematic manner. Therefore, only the components related to the present utility model are shown in the drawings, rather than being drawn according to the number, shape, and size of the components in actual implementation. The type, quantity, and ratio of each component in actual implementation can be arbitrarily changed, and the component layout type may also be more complex.

[0029] As Figures 1 to 3 shown, the continuous casting billet aerosol cooling device includes a trough body 20, the trough body 20 is arranged on one side of a horizontal conveyor 3, a continuous casting billet 4 is conveyed on the horizontal conveyor 3, wherein a cooling chamber 21 is arranged in the trough body 20, and the cooling chamber 21 is filled with cooling water. An aerosol cooling mechanism and a water pumping mechanism are arranged in the cooling chamber 21;

[0030] The water pumping mechanism can pump the cooling water in the cooling chamber 21 into the aerosol cooling mechanism;

[0031] The position of the aerosol cooling mechanism is adapted to the position of the continuous casting billet 4 on the horizontal conveyor 3, and the continuous casting billet 4 can enter the aerosol cooling mechanism.

[0032] The purpose of such a design is that by adopting the aerosol cooling mechanism, the continuous casting billet can be quickly cooled in a relatively sealed scenario. Since the heat exchange between the whole scenario and the external air is less, the cooling becomes more uniform. It solves the problem that the existing cooling device uses an open cooling structure, and the temperature of the open scenario is likely to change rapidly during cooling, resulting in uneven cooling effect distribution.

[0033] In this embodiment, the feeding end of the aerosol cooling mechanism faces the horizontal conveyor 3, and the discharging end of the aerosol cooling mechanism faces the steel rolling conveyor roller 22.

[0034] In this embodiment, a specific composition of a pumping mechanism is provided. The pumping mechanism includes a first fixing table 26, a water pump 30, a liquid inlet pipe 27, and a first liquid delivery pipe 28;

[0035] The first fixing table 26 is arranged in the cooling cavity 21, and the top of the first fixing table 26 is above the liquid level of the cooling water;

[0036] The water pump 30 is arranged on the top of the first fixing table 26. The liquid inlet end of the water pump 30 is connected to one end of the liquid inlet pipe 27, and the liquid delivery end of the water pump 30 is communicated with the aerosol cooling mechanism through the first liquid delivery pipe 28;

[0037] The other end of the liquid inlet pipe 27 is inserted into the cooling water.

[0038] The purpose of such a design is to be able to send the cooling water in the cooling cavity into the aerosol cooling mechanism through the liquid inlet pipe via the water pump. The specific working process is as follows: after the water pump is started, the cooling water enters the liquid inlet pipe, then enters the water pump, then flows into the first liquid delivery pipe, and enters the aerosol cooling mechanism.

[0039] In this embodiment, a specific structure of an aerosol cooling mechanism is provided. The aerosol cooling mechanism includes a second fixing table 24, an aerosol cooling pipe 23, and a second liquid delivery pipe 29;

[0040] The second fixing table 24 is arranged in the cooling cavity 21, is arranged side by side with the first fixing table 26, and the top of the second fixing table 24 is above the liquid level of the cooling water;

[0041] The second liquid delivery pipe 29 is connected to the first liquid delivery pipe 28, and the second liquid delivery pipe 29 is arranged on the top of the aerosol cooling pipe 23;

[0042] The aerosol cooling pipe 23 is arranged on the second fixing table 24. A liquid discharge port 31 is arranged at the bottom of the aerosol cooling pipe 23, and the continuous casting billet 4 can enter the aerosol cooling pipe 23.

[0043] Meanwhile, an aerosol cooling cavity 34 is arranged in the aerosol cooling pipe 23. An aerosol spray head 33 is arranged in the aerosol cooling cavity 34. The liquid inlet end of the aerosol spray head 33 is communicated with the second liquid delivery pipe 29, and the liquid outlet end of the aerosol spray head 33 faces downward.

[0044] Furthermore, a continuous roller 32 is arranged in the aerosol cooling cavity 34 along the extending direction of the aerosol cooling pipe 23, and the continuous casting billet 4 can move on the continuous roller 32.

[0045] It should be noted that in actual use, the aerosol cooling mechanism and the water pumping mechanism are usually used in combination. At the same time, in order to improve the overall production efficiency, usually multiple sets of aerosol cooling mechanisms and water pumping mechanisms used in combination are arranged in the cooling cavity, so that the continuous casting billets produced by multiple continuous casting billet production lines can be processed.

[0046] In specific work, the cooling water comes to the second infusion pipe through the first infusion pipe, and then sprays out from the aerosol nozzle to cool the continuous casting billet below, while the excess liquid is discharged from the drain port at the bottom and flows back to the cooling cavity.

[0047] Furthermore, a reinforcing plate 25 is also arranged on the second fixed table 24, and the reinforcing plate 25 is located on both sides of the aerosol cooling pipe 23.

[0048] The purpose of such a design is that the mechanical strength of the aerosol cooling pipe can be increased by the arranged reinforcing plate.

[0049] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A continuous casting billet gas mist cooling device, comprising a tank body (20), wherein the tank body (20) is arranged on one side of a horizontal conveyor (3), and the horizontal conveyor (3) conveys the continuous casting billet (4), characterized in that: A cooling chamber (21) is provided in the tank body (20), and the cooling chamber (21) is filled with cooling water; an aerosol cooling mechanism and a water pumping mechanism are provided in the cooling chamber (21); The water pumping mechanism can pump the cooling water in the cooling chamber (21) into the aerosol cooling mechanism; The position of the gas mist cooling mechanism is matched to the position of the continuous casting billet (4) on the horizontal conveyor (3), and the continuous casting billet (4) can enter the gas mist cooling mechanism.

2. The continuous casting billet gas mist cooling device according to claim 1, characterized in that: The feed end of the aerosol cooling mechanism faces the horizontal conveyor (3), and the discharge end of the aerosol cooling mechanism faces the steel rolling conveyor roller (22).

3. The continuous casting billet gas mist cooling device according to claim 1, characterized in that: The water pumping mechanism comprises a first fixed platform (26), a water pump (30), a liquid inlet pipe (27) and a first liquid infusion pipe (28); The first fixing platform (26) is arranged in the cooling chamber (21), and the top of the first fixing platform (26) is located above the cooling water surface; The water pump (30) is arranged on the top of the first fixed platform (26), the liquid inlet end of the water pump (30) is connected to one end of the liquid inlet pipe (27), and the liquid infusion end of the water pump (30) is connected to the aerosol cooling mechanism through the first liquid infusion pipe (28); The other end of the liquid inlet pipe (27) is inserted into the cooling water.

4. The continuous casting billet gas mist cooling device according to claim 3, characterized in that: The aerosol cooling mechanism comprises a second fixing platform (24), an aerosol cooling pipe (23) and a second infusion pipe (29); The second fixing platform (24) is arranged in the cooling chamber (21) and is arranged side by side with the first fixing platform (26), and the top of the second fixing platform (24) is located above the cooling water surface; The second infusion tube (29) is connected to the first infusion tube (28), and the second infusion tube (29) is arranged on the top of the aerosol cooling tube (23); The aerosol cooling pipe (23) is arranged on the second fixed platform (24), and a liquid discharge port (31) is arranged at the bottom of the aerosol cooling pipe (23), so that the continuous casting billet (4) can enter the aerosol cooling pipe (23).

5. The continuous casting billet gas mist cooling device according to claim 4, characterized in that: An aerosol cooling cavity (34) is provided in the aerosol cooling pipe (23), and an aerosol spray head (33) is provided in the aerosol cooling cavity (34); a liquid inlet end of the aerosol spray head (33) is connected to the second liquid infusion pipe (29), and a liquid outlet end of the aerosol spray head (33) faces downward.

6. The continuous casting billet gas mist cooling device according to claim 5, characterized in that: A continuous roller (32) is arranged in the aerosol cooling chamber (34) along the extension direction of the aerosol cooling pipe (23), and the continuous casting billet (4) can move on the continuous roller (32).

7. The continuous casting billet gas mist cooling device according to claim 5, characterized in that: A reinforcing plate (25) is also provided on the second fixing platform (24), and the reinforcing plate (25) is located on both sides of the aerosol cooling pipe (23).

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