Temperature adjusting system for laminar cooling water

Abstract

The utility model discloses a temperature adjusting system for laminar cooling water, which is characterized in that the water outlet end of a first water guide pipe is connected with a connecting plate at the top of the inner side of a water cooling box, and the water outlet end of a second water guide pipe is connected with a connecting plate at the bottom of the inner side of the water cooling box; the edge portions of the two connecting plates at the bottom and the top of the inner side of the water cooling box are connected with collecting pipes, and jet pipes are connected between the two collecting pipes at the bottom and the top of the inner side of the water cooling box at equal intervals. The bottom and the top of the hot-rolled coil plate are subjected to rapid and uniform jet cooling treatment, cooling water can conveniently and uniformly take away heat carried by the hot-rolled coil plate in an upper and lower header cooling mode, the cooling uniformity is guaranteed, meanwhile, the cooling efficiency is greatly improved, the phenomenon that the hot-rolled coil plate is nonuniform in cooling is avoided, and the service life of the hot-rolled coil plate is prolonged. And the quality of the hot-rolled coil after subsequent forming and curing is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of hot-rolled coil cooling, in particular to a temperature regulating system for laminar cooling water. Background Art

[0002] Hot coil, also known as hot-rolled coil, is made of slab as raw material. Slab is mainly continuous casting billet. After heating, it is made into strip steel by rough rolling unit and finishing rolling unit. The hot steel strip coming out of the last rolling mill of finishing rolling is cooled to the set temperature by laminar flow and rolled into steel strip by coiler. The cooled steel strip is processed into steel plate, flat coil and longitudinally cut steel strip products through different finishing lines according to different needs of users. In the coiling workshop of the steel rolling mill, the hot rolled coil needs to be cooled down because the temperature of the hot rolled coil is too high when it is just finished.

[0003] When the current cooling device cools down the hot-rolled coil, it only has a single-directional jet cooling mechanism, which makes it impossible for the cooling device to quickly and evenly cool both sides of the hot-rolled coil at the same time. This not only reduces the cooling efficiency, but also causes uneven heating on both sides of the hot-rolled coil, affecting the quality of its subsequent forming. Utility Model Content

[0004] The utility model provides a laminar cooling water temperature regulating system, which can effectively solve the problem proposed in the above background technology that when the current cooling device cools the hot-rolled coil, due to the fact that it only has a single-directional jet cooling mechanism, the cooling device cannot quickly and evenly cool both sides of the hot-rolled coil at the same time, which not only reduces the cooling efficiency, but also causes uneven heating on the two sides of the hot-rolled coil, thereby affecting the quality of its subsequent forming.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a laminar cooling water temperature regulating system, comprising a support platform, a water cooling box is fixedly installed on the top of the support platform, shielding curtains are arranged at the inlet and outlet positions on both sides of the water cooling box, a cooling water tank is installed on the top of the water cooling box, the front and rear side edges of the cooling water tank are connected to the first water pipe, and the side edges of the cooling water tank are located on one side of the first water pipe. The second water pipe is connected, and the ends of the first water pipe and the second water pipe are both installed with control valves;

[0006] The water outlet end of the first water conduit is located at the top position of the inner side of the water cooling box and is connected to a connecting plate, and the water outlet end of the second water conduit is located at the bottom position of the inner side of the water cooling box and is connected to a connecting plate, the edges of the two connecting plates at the bottom and top of the inner side of the water cooling box are connected to manifolds, and jet pipes are equidistantly connected between the two manifolds at the bottom and top positions of the inner side of the water cooling box, and water spray holes are evenly opened on the opposite side edges of the jet pipes at the bottom and top of the inner side of the water cooling box;

[0007] Mounting brackets are fixedly installed on both side edges of the cooling water tank, and metal heat-conducting strips are equidistantly connected to the edges of the cooling water tank corresponding to the mounting brackets. Cooling fans are equidistantly connected to the edge ends of the mounting brackets. The cooling fans are powered by an external power supply. Collecting troughs are equidistantly provided inside the support platform at the bottom of the water cooling box.

[0008] Preferably, the length of the first water conduit is greater than that of the second water conduit, and the positions of the first water conduit and the second water conduit at both side edges of the cooling water tank are staggered.

[0009] Preferably, the number and positions of the jet tubes at the bottom and top of the inner side of the cooling water tank are corresponding, and the water spraying directions of the water spraying holes opened on the edges of the jet tubes at the bottom and top of the inner side of the cooling water tank are opposite.

[0010] Preferably, the cooling fan is embedded and installed inside the mounting bracket, and the air outlet of the cooling fan faces the metal heat conductive strip.

[0011] Preferably, a collecting box is connected to the bottom of the support platform corresponding to the collecting tank, and frames are installed on both the front and rear side ends of the collecting box, and heat dissipation side plates are evenly arranged on the inner side of the frames. A circulating pump is installed at the middle end of the front and rear side edges of the support platform, and the circulating pump is powered by an external power supply, and the end of the circulating pump is connected to a circulating pipe;

[0012] An installation slot is provided on the inner side of the top of the collection box, an installation frame is embedded and engaged with the inner side of the installation slot, and an interception net is provided on the inner bottom of the installation frame.

[0013] Preferably, the heat dissipation side plate conducts the heat in the collection box from the inside to the outside, and the end of the circulation pipe away from the circulation pump is connected to the inside of the cooling water tank.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a scientific and reasonable structure and is safe and convenient to use:

[0015] 1. The cooling water in the cooling water tank is conveniently and quickly transported to the manifold at a predetermined position through the first water conduit, the second water conduit and the control valve. At the same time, the bottom and top of the water cooling box are provided with a connecting plate, a manifold, a jet pipe and a water spray hole, so that after the hot-rolled coil enters the water cooling box, the bottom and top of the hot-rolled coil are quickly and evenly jet-cooled. The cooling method of the upper and lower headers is convenient for the cooling water to evenly take away the heat carried by the hot-rolled coil, which not only ensures the uniformity of cooling, but also greatly improves the cooling efficiency, avoids the phenomenon of uneven cooling of the hot-rolled coil, and ensures the quality of the hot-rolled coil after subsequent forming and curing.

[0016] 2. The cooling water can be quickly introduced into the collection box through the collecting trough. The installation chute, installation frame and interception net on the top of the collection box can filter and intercept the water when it enters the collection box, so that the water remains clean. With the circulation pump and circulation pipe, the treated cooling water in the collection box can be re-flowed into the cooling water tank, so as to facilitate the circulation and repeated cooling of the cooling water and avoid the waste of water resources.

[0017] 3. Through the frame and heat dissipation side plate on the edge of the collection box, the heat carried by the cooling water in the collection box can be easily exported, so as to facilitate the heat loss and reduce the temperature of the cooling water in the collection box. The metal heat conduction strips are arranged on the edge of the cooling water tank to facilitate the heat and temperature of the cooling water in the cooling water tank to be exported;

[0018] At the same time, combined with multiple groups of cooling fans installed on the edge of the mounting bracket, the cooling airflow blown out by the cooling fan is used to blow the metal thermal conductive strip to take away the heat on the surface of the metal thermal conductive strip. At the same time, it can also blow the side of the cooling water tank to ensure that the cooling water in the cooling water tank will not accumulate heat, so that the cooling water used for subsequent cooling can quickly cool the hot-rolled coil, further ensuring the cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0020] In the attached picture:

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the cooling water tank of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the connection plate of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the jet tube of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the collection box of the utility model;

[0026] Numbers in the figure: 1. Support platform; 2. Water cooling box; 3. Shielding curtain; 4. Cooling water tank; 5. First water pipe; 6. Second water pipe; 7. Control valve; 8. Connecting plate; 9. Manifold; 10. Jet pipe; 11. Water spray hole; 12. Mounting bracket; 13. Metal thermal conductive strip; 14. Cooling fan; 15. Collecting trough; 16. Collecting box; 17. Frame; 18. Heat dissipation side plate; 19. Circulation pump; 20. Circulation pipe; 21. Mounting slide; 22. Mounting frame; 23. Interception net. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0028] Example: Figure 1-5 As shown, the utility model provides a technical solution, a laminar cooling water temperature regulating system, comprising a support platform 1, a water cooling box 2 is fixedly installed on the top of the support platform 1, shielding curtains 3 are arranged at the inlet and outlet positions on both sides of the water cooling box 2, a cooling water tank 4 is installed on the top of the water cooling box 2, the front and rear side edges of the cooling water tank 4 are connected to the first water pipe 5, and the side edges of the cooling water tank 4 are located on one side of the first water pipe 5. The second water pipe 6 is connected to the ends of the first water pipe 5 and the second water pipe 6, and the control valve 7 is installed at the ends of the first water pipe 5 and the second water pipe 6;

[0029] The water outlet end of the first water pipe 5 is located at the top position of the inner side of the water cooling box 2 and is connected to a connecting plate 8, and the water outlet end of the second water pipe 6 is located at the bottom position of the inner side of the water cooling box 2 and is connected to a connecting plate 8. The edges of the two connecting plates 8 at the bottom and top of the inner side of the water cooling box 2 are connected to a manifold 9. The length of the first water pipe 5 is greater than the length of the second water pipe 6. The positions of the first water pipe 5 and the second water pipe 6 at the two side edges of the cooling water tank 4 are staggered, so that the cooling water in the cooling water tank 4 can be quickly transported to the manifold 9 at a predetermined position through the first water pipe 5 and the second water pipe 6, and the bottom of the inner side of the water cooling box 2 A jet tube 10 is equidistantly connected between the two manifolds 9 at the top position, and water spray holes 11 are evenly opened on the opposite side edges of the jet tubes 10 at the bottom and top of the inner side of the water cooling box 2. The number and position of the jet tubes 10 at the bottom and top of the inner side of the cooling water tank 4 are corresponding, and the water spraying directions of the water spray holes 11 opened on the edges of the jet tubes 10 at the bottom and top of the inner side of the cooling water tank 4 are opposite, so that after the hot-rolled coil enters the water cooling box 2, the bottom and top of the hot-rolled coil are quickly and evenly jet-cooled, and the cooling water is evenly taken away by the heat carried by the hot-rolled coil in the upper and lower header cooling mode;

[0030] Mounting brackets 12 are fixedly installed on both side edges of the cooling water tank 4, and metal heat-conducting strips 13 are equidistantly connected to the edges of the cooling water tank 4 corresponding to the mounting brackets 12, and cooling fans 14 are equidistantly connected to the edge ends of the mounting brackets 12. The cooling fans 14 are embedded and installed inside the mounting brackets 12, and the air outlets of the cooling fans 14 are directly facing the metal heat-conducting strips 13, which is convenient for extracting the heat temperature in the cooling water in the cooling water tank 4, so that the cooling water used for cooling later can quickly cool the hot-rolled coils. The cooling fans 14 are powered by an external power supply, and collecting troughs 15 are equidistantly provided inside the support platform 1 at the bottom of the water cooling box 2.

[0031] A collecting box 16 is connected to the bottom of the support platform 1 at the corresponding collecting groove 15, and frames 17 are installed on the front and rear side ends of the collecting box 16. Heat dissipation side plates 18 are evenly arranged on the inner side of the frames 17. A circulation pump 19 is installed at the middle end of the front and rear side edges of the support platform 1. The circulation pump 19 is powered by an external power supply. A circulation pipe 20 is connected to the end of the circulation pump 19. The heat dissipation side plate 18 conducts the heat in the collecting box 16 from the inside to the outside. The end of the circulation pipe 20 away from the circulation pump 19 is connected to the inside of the cooling water tank 4, which is convenient for conducting the heat carried by the cooling water in the collecting box 16, thereby facilitating the loss of heat and facilitating the reflow of the treated cooling water in the collecting box 16 into the cooling water tank 4.

[0032] An installation slot 21 is provided on the inner side of the top of the collection box 16 , and an installation frame 22 is embedded and engaged with the inner side of the installation slot 21 . An interception net 23 is provided on the inner bottom of the installation frame 22 .

[0033] Working principle and use process of the utility model: In the actual application process of the temperature regulation system of laminar cooling water, firstly, in the coiling workshop of the steel mill, the hot steel strip coming out of the last rolling mill of the finishing rolling is sent into the water cooling box 2, so that the hot steel strip is cooled by the water cooling box 2 and then rolled into a steel strip coil by the coiler;

[0034] When the hot steel strip is fed into the water cooling box 2, the control valve 7 is opened, and the cooling water in the cooling water box 4 is quickly transported to the manifold 9 at the predetermined position through the first water conduit 5 and the second water conduit 6. The bottom and top of the water cooling box 2 are provided with a connecting plate 8, a manifold 9, a jet pipe 10 and a water spray hole 11, so that after the hot rolled coil enters the water cooling box 2, the bottom and top of the hot rolled coil are quickly and evenly jet-cooled. The cooling method of the upper and lower headers is convenient for the cooling water to evenly take away the heat carried by the hot rolled coil, which not only ensures the uniformity of cooling, but also greatly improves the cooling efficiency, avoids the phenomenon of uneven cooling of the hot rolled coil, and ensures the quality of the hot rolled coil after subsequent forming and curing;

[0035] During the cooling process of the water-cooling box 2, the cooling water can be quickly introduced into the collection box 16 through the collecting trough 15. The water can be filtered and intercepted when entering the collection box 16 through the installation chute 21, the installation frame 22 and the interception net 23 on the top of the collection box 16, so that the water can be kept clean. After the cooling water is processed and collected in the collection box 16, the circulating pump 19 and the circulating pipe 20 can be used to facilitate the cooling water in the collection box 16 to be re-flowed and introduced into the cooling water tank 4, so as to facilitate the circulation and repeated cooling of the cooling water and avoid the waste of water resources.

[0036] In addition, when the cooling water is collected in the collection box 16, the heat carried by the cooling water in the collection box 16 is conveniently discharged through the frame 17 and the heat dissipation side plate 18 at the edge of the collection box 16, thereby facilitating the heat dissipation and reducing the temperature of the cooling water in the collection box 16. The metal heat conducting strips 13 are arranged at the edges of the cooling water tank 4 to facilitate the heat and temperature of the cooling water in the cooling water tank 4 to be discharged;

[0037] After the cooling water circulates back into the cooling water tank 4 using the circulation pipe 20, combined with the multiple cooling fans 14 installed on the edge of the mounting bracket 12, the cooling airflow blown out by the cooling fans 14 is used to blow the metal thermal conductive strips 13, taking away the heat derived from the surface of the metal thermal conductive strips 13. At the same time, the cooling airflow can also be blown to the side of the cooling water tank 4 to ensure that the cooling water in the cooling water tank 4 does not accumulate heat, so that the cooling water used for cooling later can quickly cool the hot-rolled coils, further ensuring the cooling effect.

[0038] Finally, it should be noted that the above description is only a preferred example of the present utility model and is not intended to limit the present utility model. Although the present utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A laminar cooling water temperature regulating system, comprising a support platform (1), characterized in that: A water cooling box (2) is fixedly installed on the top of the support platform (1), and shielding curtains (3) are provided at the inlet and outlet positions on both sides of the water cooling box (2). A cooling water tank (4) is installed on the top of the water cooling box (2), and the front and rear side edges of the cooling water tank (4) are connected to a first water pipe (5), and the side edges of the cooling water tank (4) are located on one side of the first water pipe (5) and are connected to a second water pipe (6), and the ends of the first water pipe (5) and the second water pipe (6) are both installed with control valves (7); The water outlet end of the first water conduit (5) is located at the top position of the inner side of the water cooling box (2) and is connected to a connecting plate (8), and the water outlet end of the second water conduit (6) is located at the bottom position of the inner side of the water cooling box (2) and is connected to a connecting plate (8), the edges of the two connecting plates (8) at the bottom and top of the inner side of the water cooling box (2) are connected to manifolds (9), and jet pipes (10) are equidistantly connected between the two manifolds (9) at the bottom and top positions of the inner side of the water cooling box (2), and water spray holes (11) are evenly opened on the edges of the opposite sides of the jet pipes (10) at the bottom and top of the inner side of the water cooling box (2); The two side edges of the cooling water tank (4) are fixedly mounted with mounting brackets (12), and the edges of the cooling water tank (4) corresponding to the mounting brackets (12) are equidistantly connected with metal heat conducting strips (13), the edge ends of the mounting brackets (12) are equidistantly connected with cooling fans (14), and the cooling fans (14) are powered by an external power supply. The interior of the support platform (1) is provided with collecting grooves (15) equidistantly located at the bottom of the water cooling box (2).

2. The temperature control system of laminar cooling water according to claim 1, characterized in that: The length of the first water conduit (5) is greater than the length of the second water conduit (6), and the positions of the first water conduit (5) and the second water conduit (6) on both side edges of the cooling water tank (4) are staggered.

3. The temperature control system of laminar cooling water according to claim 1, characterized in that: The number and positions of the jet tubes (10) at the bottom and top of the inner side of the cooling water box (4) are corresponding, and the water spraying directions of the water spray holes (11) opened on the edges of the jet tubes (10) at the bottom and top of the inner side of the cooling water box (4) are opposite.

4. The temperature control system of laminar cooling water according to claim 1, characterized in that: The cooling fan (14) is embedded and installed inside the mounting bracket (12), and the air outlet of the cooling fan (14) faces the metal heat conducting strip (13).

5. The temperature regulating system of laminar cooling water according to claim 1, characterized in that: A collecting box (16) is connected to the bottom of the support platform (1) corresponding to the collecting tank (15); the front and rear side ends of the collecting box (16) are both provided with frame frames (17); the inner side of the frame frames (17) is evenly provided with heat dissipation side plates (18); a circulating pump (19) is installed at the middle end of the front and rear side ends of the support platform (1); the circulating pump (19) is powered by an external power supply; and the end of the circulating pump (19) is connected to a circulating pipe (20); The inner side of the top of the collection box (16) is provided with a mounting slot (21), the inner side of the mounting slot (21) is embedded with a mounting frame (22) for fastening thereto, and the inner bottom of the mounting frame (22) is provided with an interception net (23).

6. A laminar cooling water temperature control system according to claim 5, characterized in that: The heat dissipation side plate (18) conducts the heat in the collection box (16) from the inside to the outside, and the end of the circulation pipe (20) away from the circulation pump (19) is connected to the inside of the cooling water tank (4).

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