Cooling equipment for crystallizer of continuous casting machine

Abstract

The utility model relates to the technical field of crystallizer cooling, and discloses cooling equipment for a continuous casting machine crystallizer. The cooling equipment for the crystallizer of the continuous casting machine comprises a limiting frame, cooling fins are fixedly installed in the limiting frame, a connecting frame is fixedly installed at the front end of the limiting frame, a fan is fixedly installed in the connecting frame, and a top plate is fixedly installed below the limiting frame. The heat pipe is vertically installed in the top plate, based on the heat conduction principle of the heat pipe, after the bottom end of the heat pipe makes contact with high-temperature cooling water, a liquid cooling medium in the heat pipe is gasified and ascends to the top end of the heat pipe, and heat is conducted into air through heat dissipation fins fixedly connected with the heat pipe; and the gaseous cooling medium in the heat pipe is converted into a liquid state after being cooled and flows back to the bottom end of the heat pipe, so that the heat of the cooling water is quickly absorbed, and the cooling time of the cooling water is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of crystallizer cooling, in particular to cooling equipment for a continuous casting machine crystallizer. Background Art

[0002] Continuous casting machines are widely used in the steel industry for their low energy consumption, high metal recovery rate, low production cost and high product quality. The crystallizer is the heart of the continuous casting machine. Most of the heat released by the solidification of high-temperature molten steel in the crystallizer is taken away by cooling water. Therefore, the performance of the crystallizer has a direct impact on production efficiency and billet quality. The performance of the crystallizer is greatly affected by the quality of cooling water.

[0003] The existing referenceable Chinese utility model patent with announcement number: CN203778722U discloses a continuous casting machine crystallizer cooling water device capable of adjusting temperature, which belongs to the technical field of continuous casting machine cooling equipment and is used to adjust the temperature of the continuous casting machine crystallizer cooling water. Its technical scheme is: its crystallizer cooling soft water pool, crystallizer, heat exchanger group form a heat medium water cycle, cooling common clean water pool, heat exchanger group, cooling tower form a refrigerant water cycle, the heat medium water cycle and the refrigerant water cycle exchange heat through the heat exchanger group, a heating pipeline is added between the cooling return water main pipe of the primary refining furnace and the refrigerant water inlet pipe of the heat exchanger group, a heating valve is installed on the heating pipeline, and a cooling water valve is installed on the refrigerant water inlet pipe of the heat exchanger between the cooling common clean water pool and the heating pipeline. The utility model has a simple structure, can improve resource utilization, has low operating costs, can control the fluctuation of the cooling water temperature of the crystallizer within the range of 28 to 31°C, effectively alleviates the influence of the water temperature fluctuation on the heat transfer of the crystallizer, and significantly reduces the incidence of cracks on the surface of the casting.

[0004] The existing continuous casting machine crystallizer cooling equipment generally introduces external room temperature water to take away the heat of the crystallizer, and uses natural cooling to cool the cooling water after absorbing heat. This method requires a certain space to store the heated cooling water, which makes the cooling equipment too large. At the same time, the cooling water needs a long time to cool before it can be put into use. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a cooling device for a continuous casting machine crystallizer, which has the advantages of small size and the ability to shorten the cooling time of cooling water, thereby solving the above-mentioned technical problems.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cooling device for a continuous casting machine crystallizer, comprising: a limit frame, a heat dissipation fin is fixedly installed inside the limit frame, a connecting frame is fixedly installed at the front end of the limit frame, a fan is fixedly installed inside the connecting frame, a top plate is fixedly installed below the limit frame, a water tank is embedded and installed below the top plate, a heat pipe is inserted and installed above the top plate, a limit plate is fixedly installed inside the water tank, a water outlet is inserted and installed on the left side of the water tank, and a liquid pump is fixedly installed above the water outlet, a connecting pipe is fixedly installed on the upper end of the liquid pump, a water inlet pipe is inserted and installed on the left side of the water tank, and a water inlet is fixedly installed on the upper end of the water inlet pipe; the fan can generate airflow inside the limit frame.

[0009] As the preferred technical solution of the utility model, the limit frame is a rectangular pipe structure that runs through the front and back, and the heat dissipation fins are vertically equidistantly installed inside the limit frame; the limit frame can limit the air flow direction, and the heat dissipation fins can facilitate the transfer of heat from the heat pipe to the air.

[0010] As a preferred technical solution of the utility model, the connecting frame is installed at the front and rear ends of the limiting frame symmetrically with the center of the limiting frame as a reference, and the fan is installed inside the connecting frame with mirror symmetry with the center of the connecting frame as a reference, and the air outlet direction of the fan is consistently backward; the connecting frame can fix the position of the fan.

[0011] As the preferred technical solution of the utility model, the heat pipe vertically penetrates the top plate, the heat dissipation fins, and the limit plate, and the bottom end of the heat pipe is located at the bottom end of the inner wall of the water tank. The heat pipe is fixedly connected to the top plate and the heat dissipation fins, and is slidably connected to the limit plate; the heat pipe can facilitate the conduction of heat from the cooling water.

[0012] As the preferred technical solution of the utility model, the length of the limit plate is smaller than the length of the inner wall of the water tank, and the limit plate is symmetrically installed on the upper and lower sides and the center of the water tank with the center of the water tank as the reference; the water tank can hold a certain volume of coolant.

[0013] As the preferred technical solution of the utility model, the limit plates on the upper and lower sides of the water tank are fixedly connected to the left vertical surface of the inner wall of the water tank, and the limit plate in the center of the water tank is fixedly connected to the right vertical surface of the inner wall of the water tank; the limit plates can limit the position of the cooling water.

[0014] As a preferred technical solution of the utility model, the installation position of the water outlet is higher than the uppermost limit plate, the installation position of the water inlet pipe is lower than the lowermost limit plate, and the installation positions of the water outlet and the water inlet pipe are staggered front and back; the water outlet can facilitate the discharge of cooling water.

[0015] Compared with the prior art, the utility model provides a cooling device for a continuous casting machine crystallizer, which has the following beneficial effects:

[0016] 1. The utility model provides a heat pipe, which can absorb the heat of cooling water so that the cooling water can be cooled quickly. The heat dissipation fins above the heat pipe can easily conduct the heat of the heat pipe to the air inside the limit frame, and the heat is taken away by the airflow generated when the fan is started. At the same time, the limit plate can prevent the high-temperature cooling water from affecting the cooling water above the water tank that has been cooled. Since the liquid pump is connected with the top of the water tank cavity through the water outlet, the cooling water with cooled temperature in the upper half of the water tank can be transported to the connecting pipe when the liquid pump is started. This method can form a circulation of cooling water inside the water tank and inside the crystallizer, while reducing the temperature of the cooling water. The cooling water does not need to be cooled naturally in the cooling pool, thereby reducing the overall structure of the cooling equipment.

[0017] 2. The utility model sets a limit plate, and the limit plate is symmetrically installed on the upper and lower sides of the water tank and the center of the water tank with the center of the water tank as the reference. In this way, the limit plate can limit the position of the cooling water. After the cooling water with a higher temperature enters the water tank, it will be restricted to the bottom of the water tank. The heat pipe is vertically installed inside the top plate. Based on the thermal conductivity principle of the heat pipe, after the bottom end of the heat pipe contacts with the high-temperature cooling water, the liquid cooling medium inside will vaporize and rise to the top of the heat pipe, and conduct the heat to the air through the heat dissipation fins fixedly connected to the heat pipe. The gaseous cooling medium inside the heat pipe will be converted into liquid after cooling and flow back to the bottom end of the heat pipe, so as to quickly absorb the heat of the cooling water, thereby reducing the cooling time of the cooling water. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the connection structure between the fan and the limit frame of the utility model;

[0020] Figure 3 This is a schematic diagram of the connection structure between the heat pipe and the water tank of the utility model;

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of the water tank and the limiting frame of the utility model;

[0022] Among them: 1. limit frame; 11. heat sink fins; 12. connection frame; 13. fan; 14. top plate; 15. water tank; 16. heat pipe; 17. limit plate; 18. water outlet; 19. liquid pump; 110. connecting pipe; 111. water inlet pipe; 112. water inlet. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] See also Figure 1 - Figure 4 In the present embodiment, a cooling device for a continuous casting machine crystallizer includes: a limit frame 1, a heat dissipation fin 11 is fixedly installed inside the limit frame 1, a connecting frame 12 is fixedly installed at the front end of the limit frame 1, a fan 13 is fixedly installed inside the connecting frame 12, a top plate 14 is fixedly installed below the limit frame 1, a water tank 15 is embedded and installed below the top plate 14, a heat pipe 16 is inserted and installed above the top plate 14, a limit plate 17 is fixedly installed inside the water tank 15, a water outlet 18 is inserted and installed on the left side of the water tank 15, and a liquid pump 19 is fixedly installed above the water outlet 18, a connecting pipe 110 is fixedly installed on the upper end of the liquid pump 19, a water inlet pipe 111 is inserted and installed on the left side of the water tank 15, and a water inlet 112 is fixedly installed on the upper end of the water inlet pipe 111.

[0027] The limiting frame 1 is a rectangular pipe structure that penetrates from front to back, and the heat dissipation fins 11 are installed vertically and equidistantly inside the limiting frame 1 .

[0028] The connecting frame 12 is installed at the front and rear ends of the limiting frame 1 symmetrically with the center of the limiting frame 1 as the reference, and the fan 13 is installed inside the connecting frame 12 with mirror symmetry with the center of the connecting frame 12 as the reference, and the air outlet direction of the fan 13 is consistent, which is backward.

[0029] The heat pipe 16 vertically penetrates the top plate 14 , the heat dissipating fins 11 , and the limit plate 17 , and the bottom end of the heat pipe 16 is located at the bottom end of the inner wall of the water tank 15 . The heat pipe 16 is fixedly connected to the top plate 14 and the heat dissipating fins 11 , and is slidably connected to the limit plate 17 .

[0030] The length of the limiting plate 17 is less than the length of the inner wall of the water tank 15 , and the limiting plate 17 is symmetrically installed on the upper and lower sides of the water tank 15 and the center of the water tank 15 with the center of the water tank 15 as a reference.

[0031] The limiting plates 17 on the upper and lower sides of the water tank 15 are fixedly connected to the left vertical surface of the inner wall of the water tank 15 , and the limiting plate 17 at the center of the water tank 15 is fixedly connected to the right vertical surface of the inner wall of the water tank 15 .

[0032] The installation position of the water outlet 18 is higher than the uppermost limit plate 17 , the installation position of the water inlet pipe 111 is lower than the lowermost limit plate 17 , and the installation positions of the water outlet 18 and the water inlet pipe 111 are staggered front to back.

[0033] Specifically, the limit frame 1 can limit the air flow direction, the heat dissipation fins 11 can facilitate the heat of the heat pipe 16 to the air, the connecting frame 12 can fix the position of the fan 13, the fan 13 can generate airflow inside the limit frame 1, the top plate 14 can close the upper end of the water tank 15, the heat pipe 16 can facilitate the conduction of the heat of the cooling water, the limit plate 17 can limit the position of the cooling water, the water outlet 18 can facilitate the discharge of the cooling water, the liquid pump 19 can transport the cooling water, the connecting pipe 110 can facilitate the cooling water to enter the cooling structure of the crystallizer, the water inlet pipe 111 can limit the position of the high-temperature cooling water entering the water tank 15, and the water inlet 112 can facilitate the high-temperature cooling water in the cooling structure of the crystallizer to enter the water inlet pipe 111.

[0034] When in use, it is necessary to connect the water inlet 112 and the connecting pipe 110 to the crystallizer. The limit plate 17 is symmetrically installed on the upper and lower sides of the water tank 15 and the center of the water tank 15 with the center of the water tank 15 as the reference. In this way, the limit plate 17 can limit the position of the cooling water. After the cooling water with a higher temperature enters the water tank 15, it will be restricted to the bottom of the water tank 15. The heat pipe 16 is vertically installed inside the top plate 14. Based on the heat conduction principle of the heat pipe 16, after the bottom end of the heat pipe 16 contacts with the high-temperature cooling water, the liquid cooling medium inside will vaporize and rise to the top of the heat pipe 16. Through the heat dissipation fins 11 fixedly connected to the heat pipe 16, the heat dissipation fins 11 can easily transfer the heat of the heat pipe 16 to the air inside the limit frame 1. , the heat is taken away by the airflow generated when the fan 13 is started, and the gaseous cooling medium inside the heat pipe 16 will be converted into liquid after cooling and flow back to the bottom end of the heat pipe 16, so as to quickly absorb the heat of the cooling water, thereby reducing the cooling time of the cooling water. At the same time, the limit plate 17 can prevent the high-temperature cooling water from affecting the cooling water that has been cooled above the water tank 15. Since the liquid pump 19 is connected to the top of the inner cavity of the water tank 15 through the water outlet 18, when the liquid pump 19 is started, the upper half of the water tank 15 can be transported to the connecting pipe 110 with the cooled cooling water. This method can form a circulation inside the water tank 15 and the cooling water inside the crystallizer while reducing the temperature of the cooling water. The cooling water does not need to be cooled naturally in the cooling pool, thereby reducing the overall structure of the cooling equipment.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling device for a continuous casting machine crystallizer, characterized in that: include: A limiting frame (1), wherein a heat dissipation fin (11) is fixedly installed inside the limiting frame (1), a connecting frame (12) is fixedly installed at the front end of the limiting frame (1), a fan (13) is fixedly installed inside the connecting frame (12), a top plate (14) is fixedly installed below the limiting frame (1), a water tank (15) is embedded and installed below the top plate (14), and a heat pipe (16) is inserted and installed above the top plate (14) A limit plate (17) is fixedly installed inside the water tank (15), a water outlet (18) is inserted through the left side of the water tank (15), and a liquid pump (19) is fixedly installed above the water outlet (18), a connecting pipe (110) is fixedly installed at the upper end of the liquid pump (19), and a water inlet pipe (111) is inserted through the left side of the water tank (15), and a water inlet (112) is fixedly installed at the upper end of the water inlet pipe (111).

2. The cooling device for a continuous casting machine crystallizer according to claim 1, characterized in that: The limiting frame (1) is a rectangular pipe structure that penetrates from front to back, and the heat dissipation fins (11) are installed vertically and equidistantly inside the limiting frame (1).

3. The cooling device for a continuous casting machine crystallizer according to claim 1, characterized in that: The connection frame (12) is installed at the front and rear ends of the limit frame (1) in a front-to-back symmetrical manner with the center of the limit frame (1) as a reference, and the fan (13) is installed inside the connection frame (12) in a left-right mirror-symmetrical manner with the center of the connection frame (12) as a reference, and the air outlet direction of the fan (13) is consistent, which is backward.

4. The cooling device for a continuous casting machine crystallizer according to claim 1, characterized in that: The heat pipe (16) vertically penetrates the top plate (14), the heat dissipation fins (11), and the limit plate (17), and the bottom end of the heat pipe (16) is located at the bottom end of the inner wall of the water tank (15), the heat pipe (16) is fixedly connected to the top plate (14) and the heat dissipation fins (11), and the heat pipe (16) is slidably connected to the limit plate (17).

5. The cooling device for a continuous casting machine crystallizer according to claim 1, characterized in that: The length of the limit plate (17) is less than the length of the inner wall of the water tank (15), and the limit plate (17) is symmetrically installed on the upper and lower sides of the water tank (15) and the center of the water tank (15) with the center of the water tank (15) as a reference.

6. The cooling device for a continuous casting machine crystallizer according to claim 1, characterized in that: The limit plates (17) on the upper and lower sides of the water tank (15) are fixedly connected to the left side elevation of the inner wall of the water tank (15), and the limit plate (17) at the center of the water tank (15) is fixedly connected to the right side elevation of the inner wall of the water tank (15).

7. The cooling device for a continuous casting machine crystallizer according to claim 2, characterized in that: The installation position of the water outlet (18) is higher than the uppermost limiting plate (17), the installation position of the water inlet pipe (111) is lower than the lowermost limiting plate (17), and the installation positions of the water outlet (18) and the water inlet pipe (111) are staggered front to back.

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