Round billet bent pipe type spraying device for continuous casting secondary cooling

Abstract

The utility model discloses a round billet bent pipe type spraying device for continuous casting secondary cooling. The round billet bent pipe type spraying device comprises a spraying pipe support. The side arc spraying pipe is arranged on the spraying pipe bracket; the outer arc spraying pipe is arranged on the spraying pipe bracket; the inner arc spraying pipe is arranged on the spraying pipe bracket; the outer arc spraying pipe, the side arc spraying pipe and the inner arc spraying pipe are each provided with a spraying main pipe. Compared with the prior art, the bent pipe type spraying device for the continuous casting secondary cooling round billets has the advantages that the spraying pipe does not need to be replaced when the blank type is adjusted, only the position of the spraying pipe needs to be adjusted on line, the disassembly and the replacement are simple, the operation is convenient, the cost is low, and the production efficiency is high. The workload of maintenance when the production specification of the round billet is replaced and after steel breakout of the casting billet is reduced, and the surface quality and the internal quality of the casting billet can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of continuous casting equipment, and more specifically, to a round billet curved tube spraying device for secondary cooling of continuous casting. In addition, the present application also relates to a round billet curved tube spraying device for secondary cooling of continuous casting. Background Art

[0002] In continuous casting equipment, the secondary cooling equipment of the ingot is one of the key equipment of continuous casting, which has an important influence on the internal quality and appearance quality of the ingot, such as internal cracks, external cracks, and ingot bulging.

[0003] In the prior art, the round billet spray pipe is mainly an annular spray pipe, which adopts 12 nozzles on the same billet cross section to be installed on the same circular ring. Thus, generally 15 to 20 circular rings are installed on the round billet. Moreover, the circular rings of the annular spray pipe need to be replaced when the round billet shape is changed. Since the secondary cooling chamber is a closed space, it is difficult to realize hoisting. The workload is very large when the billet needs to be repaired after steel leakage and the round billet production specifications need to be changed. That is, the existing spray device is not convenient to use, resulting in low operating efficiency.

[0004] Therefore, how to provide a round billet curved pipe spraying device for continuous casting secondary cooling, which improves the surface and internal quality of the billet, has become a technical problem that needs to be solved urgently by those skilled in the art. Utility Model Content

[0005] In order to solve the above-mentioned technical problems, the present application provides a round billet curved pipe spray device for secondary cooling of continuous casting. When adjusting the billet shape, there is no need to replace the spray pipe. Only the position of the spray pipe needs to be adjusted online. The disassembly and replacement are simple, which reduces the workload of maintenance when changing the production specifications of the round billet and after the billet leaks steel, and can improve the surface and internal quality of the billet.

[0006] The technical solutions provided by this application are as follows:

[0007] The utility model provides a round billet curved pipe spraying device for continuous casting secondary cooling, comprising: a spray pipe bracket (4);

[0008] A side arc spray pipe (2) arranged on the spray pipe bracket (4);

[0009] An outer arc spray pipe (1) arranged on the spray pipe support (4);

[0010] An inner arc spray pipe (3) arranged on the spray pipe support (4);

[0011] The outer arc spray pipe (1), the side arc spray pipe (2), and the inner arc spray pipe (3) are all provided with a spray main pipe (5);

[0012] A curved spray branch pipe (6) and a straight spray branch pipe (8) are connected to the spray main pipe (5); the spray main pipe (5) comprises a water main pipe and an air main pipe.

[0013] Furthermore, in a preferred embodiment of the present invention, the spray main pipe includes: a water main pipe and an air main pipe;

[0014] The air main pipe and the water main pipe act together on the spraying operation of the curved pipe spray branch pipe and the straight pipe spray branch pipe.

[0015] Furthermore, in a preferred embodiment of the present invention, the spray pipe is arranged on the spray pipe bracket via a mounting plate.

[0016] Furthermore, in a preferred embodiment of the present invention, the mounting plates of the side arc spray pipe and the upper spray main pipe of the inner arc spray pipe are arranged on the spray pipe bracket through an adjustment plate.

[0017] Furthermore, in a preferred embodiment of the present invention, the curved pipe spray branch pipes and the straight pipe spray branch pipes are alternately arranged along the arc direction on the same spray main pipe.

[0018] Furthermore, in a preferred embodiment of the utility model, on the same cross section of the ingot, the bent pipe spray branch pipes and the straight pipe spray branch pipes are arranged alternately.

[0019] Furthermore, in a preferred embodiment of the utility model, it also includes: nozzles arranged at the ends of the curved pipe spray branch and the straight pipe spray branch.

[0020] Furthermore, in a preferred embodiment of the present invention, the mounting plate is connected to the adjustment plate by bolts.

[0021] Furthermore, in a preferred embodiment of the present invention, the elbow spray branch pipe is a double-head nozzle structure, and the elbow spray branch pipe includes two elbow branches connected to the spray main pipe, and the spray direction angle of the nozzles on the two elbow branches is 60°.

[0022] Furthermore, in a preferred embodiment of the utility model, on the same cross section of the ingot, there are 4 nozzles on the relatively arranged curved pipe spray branches, and there are 2 nozzles on the relatively arranged straight pipe spray branches, and the spray direction angle of adjacent nozzles is set at 60°.

[0023] Compared with the prior art, the utility model provides a technical solution for a round billet curved tube spray device for continuous casting secondary cooling, comprising: a spray pipe bracket; a side arc spray pipe arranged on the spray pipe bracket; an outer arc spray pipe arranged on the spray pipe bracket; an inner arc spray pipe arranged on the spray pipe bracket; the outer arc spray pipe, the side arc spray pipe, and the inner arc spray pipe are all provided with a spray main pipe; a curved tube spray branch pipe and a straight tube spray branch pipe connected to the spray main pipe. Compared with the prior art, the round billet curved tube spray device for continuous casting secondary cooling provided by the utility model can achieve that when adjusting the billet shape, there is no need to replace the spray pipe, only the spray pipe position needs to be adjusted online, and disassembly and replacement are simple, which reduces the workload of maintenance when changing the production specifications of the round billet and after the billet leaks steel, and can improve the surface and internal quality of the billet. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] 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 ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 A top view of the overall structure of a round billet curved pipe spraying device for secondary cooling of continuous casting provided by an embodiment of the utility model;

[0026] Figure 2 A layout diagram of a curved tube spray branch and a straight tube spray branch on a cross section of a round billet curved tube spray device for continuous casting secondary cooling provided by an embodiment of the utility model;

[0027] Figure 3 The utility model provides an embodiment of the invention providing a layout diagram of another type of round billet curved pipe spraying device for secondary cooling of continuous casting, with curved pipe spraying branches and straight pipe spraying branches on the cross section of the billet. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of this application.

[0029] It should be noted that when an element is referred to as being "fixed on" or "set on" another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0030] It should be understood that the terms "length", "width", "up", "down", "front", "back", "first", "second", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0032] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0033] like Figures 1 to 3 As shown, the round billet curved pipe spray device for continuous casting secondary cooling provided in the embodiment of the present application includes: a spray pipe bracket 4; a side arc spray pipe 2 arranged on the spray pipe bracket 4; an outer arc spray pipe 1 arranged on the spray pipe bracket 4; an inner arc spray pipe 3 arranged on the spray pipe bracket 4; the outer arc spray pipe 1, the side arc spray pipe 2, and the inner arc spray pipe 3 are all provided with a spray main pipe 5; a curved pipe spray branch pipe 6 and a straight pipe spray branch pipe 8 connected to the spray main pipe 5.

[0034] Compared with the prior art, the utility model provides a technical solution for a round billet curved tube spray device for secondary cooling of continuous casting, comprising: a spray tube support 4; a side arc spray tube 2 arranged on the spray tube support 4; an outer arc spray tube 1 arranged on the spray tube support 4; an inner arc spray tube 3 arranged on the spray tube support 4; a spray main pipe 5 provided on the outer arc spray tube 1, the side arc spray tube 2, and the inner arc spray tube 3; a curved tube spray branch pipe 6 and a straight tube spray branch pipe 8 connected to the spray main pipe 5; the round billet curved tube spray device for secondary cooling of continuous casting provided by the utility model does not need to replace the spray tube when adjusting the billet shape, only the position of the spray tube needs to be adjusted online, and the disassembly and replacement are simple, which reduces the workload of maintenance when changing the production specifications of the round billet and after the billet leaks steel, and can improve the surface and internal quality of the billet.

[0035] Specifically, in the specific embodiment of the utility model, the spray main pipe 5 includes: a water main pipe and an air main pipe;

[0036] The air main pipe and the water main pipe act together on the spraying operation of the curved pipe spray branch pipe 6 and the straight pipe spray branch pipe 8.

[0037] Specifically, in the specific embodiment of the present utility model, the spray main pipe 5 is arranged on the spray pipe bracket 4 through the mounting plate 9 .

[0038] Specifically, in the specific embodiment of the utility model, the mounting plates 9 of the spray main pipes 5 on the side arc spray pipes 2 and the inner arc spray pipes 3 are arranged on the spray pipe bracket 4 through the adjustment plate 10 .

[0039] Specifically, in the specific embodiment of the present utility model, the curved pipe spray branch pipes 6 and the straight pipe spray branch pipes 8 are alternately arranged along the arc direction on the same spray main pipe 5 .

[0040] Specifically, in a specific embodiment of the present utility model, on the same cross section of the ingot, the curved spray branch pipes 6 and the straight spray branch pipes 8 are arranged alternately.

[0041] Specifically, in the specific embodiment of the utility model, it also includes: a nozzle 7 arranged at the end of the curved pipe spray branch pipe 6 and the straight pipe spray branch pipe 8.

[0042] Specifically, in a specific embodiment of the present utility model, the mounting plate 9 is connected to the adjustment plate 10 by bolts.

[0043] Specifically, in a specific embodiment of the utility model, the elbow spray branch pipe 6 is a double-head nozzle structure, and the elbow spray branch pipe 6 includes two elbow branches connected to the spray main pipe 5, and the spray direction angle of the nozzles 7 on the two elbow branches is 60°.

[0044] Specifically, in a specific embodiment of the utility model, on the same cross section of the ingot, there are 4 nozzles 7 on the relatively arranged curved pipe spray branch 6, and there are 2 nozzles 7 on the relatively arranged straight pipe spray branch 8, and the spray direction angle of adjacent nozzles 7 is set at 60°.

[0045] To elaborate more specifically, Figure 1 As shown, the technical solution involved in the embodiment of the utility model includes: an outer arc spray pipe 1; a left (right) side spray pipe 2; an inner arc spray pipe 3; a spray pipe bracket 4; Figure 2 As shown, each spray pipe includes: a spray main pipe 5, a bent spray branch pipe 6, a nozzle 7, a straight spray branch pipe 8, and a mounting plate 9. The spray main pipe 5 includes a water main pipe and an air main pipe. The adjustment plate 10 is welded on the spray pipe bracket 4.

[0046] like Figure 1 As shown, the curved pipe spray branch pipe 6 and the straight pipe spray branch pipe 8 are alternately arranged along the arc direction on the same spray main pipe; Figure 2 As shown, on the same cross-section of the ingot, straight tubes and curved tubes should also be arranged alternately. In the A_-A section, curved tubes are arranged on the inner arc and outer arc, and straight tubes are arranged on the left and right side arcs; in the BB section, straight tubes are arranged on the inner arc and outer arc, and curved tube spray branches are arranged on the left and right side arcs. In this way, each spray surface can have six nozzles evenly arranged with an angle of 60 degrees between the nozzles, and the spray directions of the nozzles on adjacent spray surfaces differ by 30 degrees, so that the secondary cooling continuous casting round ingot can be cooled more evenly, which improves the surface and internal quality of the ingot compared to the prior art.

[0047] like Figure 2 As shown, mounting plates are welded on the inner arc and side arc spray pipes. When the production blank is changed, the spray pipe can be adjusted by adjusting the mounting positions of the bolt holes of the mounting plate 9 and the adjustment plate 10. The outer arc spray pipe does not need to be adjusted.

[0048] In summary, the utility model adopts the improved and innovative concept that the spray branch pipes are composed of straight spray pipes and curved spray pipes, and the curved spray branch pipes and the straight spray branch pipes are alternately arranged along the arc direction on the same spray main pipe. Compared with the prior art, the secondary cooling continuous casting round billet is cooled more evenly, the surface and internal quality of the billet is improved, and only the position of the spray pipe needs to be adjusted online, and the disassembly and replacement are simple, which reduces the workload of maintenance when changing the production specifications of the round billet and after the billet leaks steel, and greatly improves the overall operating efficiency.

[0049] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A round billet curved pipe spraying device for continuous casting secondary cooling, characterized in that: include: Sprinkler pipe support (4); A side arc spray pipe (2) arranged on the spray pipe bracket (4); An outer arc spray pipe (1) arranged on the spray pipe support (4); An inner arc spray pipe (3) arranged on the spray pipe support (4); The outer arc spray pipe (1), the side arc spray pipe (2), and the inner arc spray pipe (3) are all provided with a spray main pipe (5); A curved spray branch pipe (6) and a straight spray branch pipe (8) connected to the spray main pipe (5); the spray main pipe (5) comprises: a water main pipe and an air main pipe; The air main pipe and the water main pipe act together on the spraying operation of the curved pipe spray branch pipe (6) and the straight pipe spray branch pipe (8); the spray main pipe (5) is arranged on the spray pipe bracket (4) through a mounting plate (9); the mounting plates (9) of the spray main pipes (5) on the side arc spray pipe (2) and the inner arc spray pipe (3) are arranged on the spray pipe bracket (4) through an adjustment plate (10); the curved pipe spray branch pipe (6) and the straight pipe spray branch pipe (8) are arranged alternately along the arc direction on the same spray main pipe (5); on the same ingot cross section, the curved pipe spray branch pipe (6) and the straight pipe spray branch pipe (8) are arranged alternately. The invention relates to a method for manufacturing a spray pipe having a plurality of spray nozzles and a plurality of spray nozzles, wherein the plurality of spray nozzles are arranged at the ends of the plurality of spray nozzles. The method comprises: arranging the plurality of spray nozzles, wherein the plurality of spray nozzles are arranged at the ends of ...

Images