Guide plate cooling structure

Abstract

The utility model discloses a guide plate cooling structure, which relates to the technical field of perforated guide plates and comprises a perforated guide plate, a contact wall which is in contact with a high-temperature tube blank and guides the high-temperature tube blank is arranged on the perforated guide plate, the contact wall is an arc-shaped curved wall, and a cooling channel penetrating through the perforated guide plate is arranged on the perforated guide plate along the advancing direction of the high-temperature tube blank. A cooling channel is formed in the perforated guide plate, a flow dividing branch channel is formed in the perforated guide plate, the two ends of the flow dividing branch channel are communicated with the cooling channel, one end of the flow dividing branch channel is communicated with the end portion of one side of the water inlet end of the cooling channel, and the other end of the flow dividing branch channel is communicated with the middle of one side of the water outlet end of the cooling channel. The perforated guide plate is prevented from being easily worn due to too high temperature, the wear resistance of the perforated guide plate is improved, meanwhile, the perforated guide plate can be prevented from being damaged due to uneven internal temperature, the service life of the perforated guide plate is prolonged, the replacement frequency of the perforated guide plate is reduced, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of perforated guide plates, in particular to a guide plate cooling structure. Background Art

[0002] During use, the perforation guide plate is in direct contact with the high-temperature tube blank, and the guide plate will be heated up, causing increased wear. Since the existing guide plate lacks cooling water during use, and the cooling water cannot cool the working surface of the guide plate, it is easy to cause the guide plate to stick to the steel, which will scratch the surface of the perforated tube and affect the appearance quality of the steel tube;

[0003] In the prior art, in order to reduce the impact of guide plate wear or steel sticking on the surface quality of the steel pipe, a new guide plate needs to be replaced for production use. Since the guide plate wears quickly and has a short service life, the production cost is greatly increased, so a guide plate cooling structure is needed. Utility Model Content

[0004] The purpose of the present application is to provide a guide plate cooling structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a guide plate cooling structure, comprising a perforated guide plate, on which a contact wall for contacting with and guiding a high-temperature tube blank is arranged, and the contact wall is an arc-shaped curved wall;

[0006] A cooling channel penetrating the perforated guide plate is provided on the perforated guide plate along the advancing direction of the high-temperature tube blank, and a branch channel is provided in the perforated guide plate, both ends of which are connected to the cooling channel, one end of the branch channel is connected to the end of one side of the water inlet end of the cooling channel, and the other end of the branch channel is connected to the middle part of one side of the water outlet end of the cooling channel;

[0007] The cooling water enters the cooling channel from the water inlet side and moves along the cooling channel to be discharged at the water outlet. Part of the cooling water enters the branch channel along the end of the branch channel close to the water inlet and flows along the branch channel. When the cooling water flows to the end of the branch channel close to the water outlet, it flows back into the cooling channel, merges with the cooling water in the cooling channel, and then flows along the cooling channel to be discharged at the water outlet.

[0008] Preferably, a disturbance impeller for disturbing water flow is installed at the connection between the branch channel and the cooling channel near the water outlet end. When the disturbance impeller disturbs the water flow, the cooling water that flows back from the branch channel to the cooling channel is mixed with the cooling water flowing in the cooling channel.

[0009] Preferably, the disturbance impeller is rotatably connected to the branch channel via a rotating shaft, and both ends of the rotating shaft are rotatably connected to the inner side wall of the branch channel close to the water outlet end.

[0010] Preferably, a plurality of cooling ribs are fixed in the cooling channel, the plurality of cooling ribs are evenly distributed along the inner wall of the cooling channel, and the plurality of cooling ribs are all long strip-shaped sheets protruding toward the middle of the cooling channel.

[0011] Preferably, the extension path of the cooling channel is arc-shaped, and the arc-shaped extension path of the cooling channel is consistent with the arc-shaped extension path of the contact wall on the same cross section;

[0012] The wall thickness formed between the top end of the cooling channel and the top surface of the contact wall is the same in any cross section.

[0013] Preferably, the extension paths of the plurality of cooling ribs are consistent with the extension path of the cooling channel.

[0014] In summary, the technical effects and advantages of the utility model are:

[0015] 1. In the utility model, by setting the cooling channel and the branch channel, the cooling water enters the cooling channel from the water inlet side and moves along the cooling channel to be discharged at the water outlet. In this process, the cooling water absorbs the temperature of the high-temperature tube blank conducted by the contact wall on the perforated guide plate, thereby cooling the perforated guide plate, avoiding the phenomenon of easy wear due to excessive temperature of the perforated guide plate, thereby improving the wear resistance of the perforated guide plate, further improving the service life of the perforated guide plate, reducing the replacement frequency of the perforated guide plate, and thus reducing the production cost;

[0016] Part of the cooling water enters the branch channel along the end of the branch channel close to the water inlet end and flows along the branch channel. The cooling water in the branch channel absorbs less heat due to being far away from the contact wall, so the temperature of the cooling water is relatively low. When the cooling water flows to the end of the branch channel close to the water outlet end, it flows back into the cooling channel and merges with the cooling water in the cooling channel and flows along the cooling channel to the water outlet end for discharge. After the confluence, the cooling water with a lower temperature mixes with the cooling water with a higher temperature, thereby reducing the temperature of the cooling water after the confluence, thereby reducing the temperature of the cooling water after the confluence. Water can absorb more heat again, thereby having a good cooling effect on the end of the perforated guide plate close to the water outlet end, and can avoid the poor cooling effect of the cooling water on the perforated guide plate when the cooling water is close to the water outlet end as the cooling water gradually heats up, thereby causing obvious differences in the cooling effect of the cooling water on various parts of the perforated guide plate, achieving uniform cooling of the perforated guide plate, avoiding damage to the perforated guide plate due to uneven internal temperature, further extending the service life of the perforated guide plate, and also helping to reduce the replacement frequency of the perforated guide plate, thereby reducing production costs.

[0017] 2. In the utility model, by setting the disturbance impeller, the water flow in the cooling channel pushes the disturbance impeller to rotate during the flow, so that the cooling water refluxed into the cooling channel from the branch channel is evenly mixed with the cooling water flowing in the cooling channel, which is beneficial to evenly and quickly cool down the cooling water in the rear section of the cooling channel, so that the cooling water in the rear section of the cooling channel can timely play a good cooling effect on the perforated guide plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 Schematic diagram of the three-dimensional structure in this embodiment;

[0020] Figure 2 It is a cross-sectional view and a partial enlarged view in this embodiment;

[0021] Figure 3 It is a side sectional view in this embodiment.

[0022] In the figure: 1, perforated guide plate; 101, contact wall; 2, cooling channel; 201, water inlet end; 202, water outlet end; 3, branch channel; 4, disturbance impeller; 5, cooling ribs. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example: Reference Figure 1-3 A guide plate cooling structure shown includes a perforated guide plate 1, on which a contact wall 101 is provided for contacting with and guiding a high-temperature tube blank, and the contact wall 101 is an arc-shaped curved wall;

[0025] A cooling channel 2 penetrating the perforated guide plate 1 is provided along the advancing direction of the high-temperature tube blank, and a branch channel 3 is provided in the perforated guide plate 1, both ends of which are connected to the cooling channel 2. One end of the branch channel 3 is connected to the end of one side of the water inlet end 201 of the cooling channel 2, and the other end of the branch channel 3 is connected to the middle part of one side of the water outlet end 202 of the cooling channel 2.

[0026] Based on the above structure, cooling water enters the cooling channel 2 from the side of the water inlet end 201 and moves along the cooling channel 2 to be discharged at the water outlet end 202. In this process, the cooling water absorbs the temperature of the high-temperature tube blank conducted by the contact wall 101 on the perforated guide plate 1, thereby cooling the perforated guide plate 1, avoiding the phenomenon of easy wear due to excessive temperature of the perforated guide plate 1, thereby improving the wear resistance of the perforated guide plate 1, further improving the service life of the perforated guide plate 1, reducing the replacement frequency of the perforated guide plate 1, and thus reducing the production cost;

[0027] Part of the cooling water enters the branch channel 3 along the end of the branch channel 3 close to the water inlet end 201 and flows along the branch channel 3. The cooling water in the branch channel 3 absorbs less heat due to being far away from the contact wall 101, so the temperature of the cooling water is relatively low. When the cooling water flows to the end of the branch channel 3 close to the water outlet end 202, it flows back into the cooling channel 2 and merges with the cooling water in the cooling channel 2 and flows along the cooling channel 2 to the water outlet end 202 for discharge. After the confluence, the cooling water with a lower temperature mixes with the cooling water with a higher temperature, so that the temperature of the cooling water after the confluence decreases, thereby making the confluence The cooling water can absorb more heat again, thereby having a good cooling effect on the end of the perforated guide plate 1 close to the water outlet end 202, and can avoid the poor cooling effect of the cooling water on the perforated guide plate 1 when the cooling water is close to the water outlet end 202 due to the gradual increase in the temperature of the cooling water, thereby causing obvious differences in the cooling effects of the cooling water on various parts of the perforated guide plate 1, thereby achieving uniform cooling of the perforated guide plate 1, avoiding damage to the perforated guide plate 1 due to uneven internal temperature, and further extending the service life of the perforated guide plate 1. It is also beneficial to reduce the replacement frequency of the perforated guide plate 1, thereby reducing production costs.

[0028] Furthermore, a disturbance impeller 4 for disturbing the water flow is installed at the connection between the branch channel 3 and the cooling channel 2 near the water outlet end 202. When the disturbance impeller 4 disturbs the water flow, the cooling water flowing back from the branch channel 3 to the cooling channel 2 is mixed with the cooling water flowing in the cooling channel 2.

[0029] The disturbance impeller 4 is rotatably connected to the flow branch channel 3 via a rotating shaft, and both ends of the rotating shaft are rotatably connected to the inner wall of the flow branch channel 3 near the water outlet end 202.

[0030] By setting the disturbance impeller 4, the water flow in the cooling channel 2 pushes the disturbance impeller 4 to rotate when flowing (due to the large water flow in the cooling channel 2, the water flow in the cooling channel 2 has a stronger impact force on the disturbance impeller 4, thereby realizing the rotation of the disturbance impeller 4, and the disturbance impeller 4 will not stop rotating due to the impact of the water flow in the branch channel 3 on the disturbance impeller 4), so that the cooling water that flows back from the branch channel 3 to the cooling channel 2 is evenly mixed with the cooling water flowing in the cooling channel 2, which is beneficial to evenly and quickly cool down the cooling water in the rear section of the cooling channel 2, so that the cooling water in the rear section of the cooling channel 2 can timely play a good cooling effect on the perforated guide plate 1.

[0031] Furthermore, a plurality of cooling ribs 5 are fixed in the cooling channel 2, and the plurality of cooling ribs 5 are evenly distributed along the inner wall of the cooling channel 2. The plurality of cooling ribs 5 are all long strips protruding toward the middle of the cooling channel 2. By setting the plurality of cooling ribs 5, the heat exchange area inside the cooling channel 2 is increased, thereby achieving faster heat exchange efficiency and achieving a good cooling effect.

[0032] Furthermore, the extension path of the cooling channel 2 is arc-shaped, and the arc-shaped extension path of the cooling channel 2 is consistent with the arc-shaped extension path of the contact wall 101 on the same cross section;

[0033] In addition, the extension paths of the plurality of cooling ribs 5 are consistent with the extension path of the cooling channel 2;

[0034] The wall thickness formed between the top of the cooling channel 2 and the top surface of the contact wall 101 is the same in any cross section, thereby ensuring that the cooling water in the cooling channel 2 cools the heat conducted by the contact wall 101 more evenly, further improving the uniformity of cooling the perforated guide plate 1 by the cooling water.

[0035] Working principle of the utility model: in daily use, cooling water is introduced into the cooling channel 2 from the side of the water inlet end 201 and discharged from the water outlet end 202. In this process, the cooling water absorbs the temperature of the high-temperature tube blank conducted by the contact wall 101 on the perforated guide plate 1, thereby cooling the perforated guide plate 1, avoiding the phenomenon of easy wear due to excessive temperature of the perforated guide plate 1, thereby improving the wear resistance of the perforated guide plate 1, further improving the service life of the perforated guide plate 1, reducing the replacement frequency of the perforated guide plate 1, and thus reducing the production cost;

[0036] Part of the cooling water enters the branch channel 3 along the end of the branch channel 3 close to the water inlet end 201 and flows along the branch channel 3. The cooling water in the branch channel 3 absorbs less heat because it is far away from the contact wall 101, so the temperature of the cooling water is relatively low. When the cooling water flows to the end of the branch channel 3 close to the water outlet end 202, it flows back into the cooling channel 2 and merges with the cooling water in the cooling channel 2 and flows along the cooling channel 2 to the water outlet end 202 for discharge; the water flow in the cooling channel 2 drives the disturbance impeller 4 to rotate when flowing, so that the cooling water flowing back from the branch channel 3 to the cooling channel 2 is evenly mixed with the cooling water flowing in the cooling channel 2, which is beneficial to the cooling of the rear section of the cooling channel 2 The water is cooled evenly and quickly, so that the temperature of the cooling water after confluence decreases, so that the cooling water after confluence can absorb more heat again, thereby having a good cooling effect on the end of the perforated guide plate 1 close to the water outlet end 202, and can avoid that as the cooling water gradually heats up, the cooling effect of the cooling water on the perforated guide plate 1 is poor when it is close to the water outlet end 202, resulting in obvious differences in the cooling effect of the cooling water on various parts of the perforated guide plate 1, thereby achieving uniform cooling of the perforated guide plate 1, avoiding damage to the perforated guide plate 1 due to uneven internal temperature, further extending the service life of the perforated guide plate 1, and also helping to reduce the replacement frequency of the perforated guide plate 1, thereby reducing production costs.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A guide plate cooling structure, comprising a perforated guide plate (1), wherein the perforated guide plate (1) is provided with a contact wall (101) for contacting with and guiding a high-temperature tube blank, wherein the contact wall (101) is an arc-shaped curved wall, and wherein: A cooling channel (2) penetrating the perforated guide plate (1) is provided on the perforated guide plate (1) along the advancing direction of the high-temperature tube blank, and a branch channel (3) is provided in the perforated guide plate (1) with both ends connected to the cooling channel (2), one end of the branch channel (3) is connected to the end of one side of the water inlet end (201) of the cooling channel (2), and the other end of the branch channel (3) is connected to the middle of one side of the water outlet end (202) of the cooling channel (2); The cooling water enters the cooling channel (2) from the side of the water inlet end (201) and moves along the cooling channel (2) to be discharged at the water outlet end (202). Part of the cooling water enters the branch channel (3) along the end of the branch channel (3) close to the water inlet end (201) and flows along the branch channel (3). When the cooling water flows to the end of the branch channel (3) close to the water outlet end (202), it flows back into the cooling channel (2) and, after merging with the cooling water in the cooling channel (2), flows along the cooling channel (2) to be discharged at the water outlet end (202).

2. A guide plate cooling structure according to claim 1, characterized in that: A disturbance impeller (4) for disturbing the water flow is installed at the connection point between the branch channel (3) and the cooling channel (2) close to the water outlet end (202). When the disturbance impeller (4) disturbs the water flow, the cooling water that flows back from the branch channel (3) to the cooling channel (2) is mixed with the cooling water flowing in the cooling channel (2).

3. A guide plate cooling structure according to claim 2, characterized in that: The disturbance impeller (4) is rotatably connected to the flow branch channel (3) via a rotating shaft, and both ends of the rotating shaft are rotatably connected to the inner side wall of the flow branch channel (3) close to the water outlet end (202).

4. A guide plate cooling structure according to claim 1, characterized in that: A plurality of cooling ribs (5) are fixed in the cooling channel (2); the plurality of cooling ribs (5) are evenly distributed along the inner wall of the cooling channel (2); and the plurality of cooling ribs (5) are all long strip-shaped sheets protruding toward the middle of the cooling channel (2).

5. A guide plate cooling structure according to claim 4, characterized in that: The extension path of the cooling channel (2) is arc-shaped, and the arc-shaped extension path of the cooling channel (2) is consistent with the arc-shaped extension path of the contact wall (101) on the same cross section; The wall thickness formed between the top end of the cooling channel (2) and the top surface of the contact wall (101) is the same in any cross section.

6. A guide plate cooling structure according to claim 5, characterized in that: The extension paths of the plurality of cooling ribs (5) are consistent with the extension path of the cooling channel (2).

Images