CN218798978U

CN218798978U - Spraying device for round billet continuous casting machine

Info

Publication number: CN218798978U
Application number: CN202223020089.7U
Authority: CN
Inventors: 宋新虎; 宫江容; 武国平; 张德国
Original assignee: Beijing Shougang International Engineering Technology Co Ltd
Current assignee: Beijing Shougang International Engineering Technology Co Ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-04-07
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a spray set for round billet conticaster, including intaking ring and air inlet ring, interval arrangement multiunit extension pipe on every shower, the one end of extension pipe is used for extending towards the center of casting blank, the intra-annular water of intaking and the intra-annular air of admitting air pass through shower and extension pipe towards the casting blank output, and then realize the cooling operation of casting blank, the dislocation arrangement of extension pipe keeps evenly just covering comprehensive cooling to the casting blank, under the prerequisite that possesses the extension pipe, can be with the reasonable setting of shower at the ring of intaking, the outside of air inlet ring or erection support, and when needing the dismouting shower, operating personnel can directly carry out the dismantlement of shower, need not to be subject to into the fixed installation relation between water inlet ring and the air inlet ring and the continuous casting frame, also need not vertically carry out the dismouting from the bottom, the convenience is improved, avoid the structure to interfere, improve dismouting efficiency, reduce the operation degree of difficulty, and then reduce the influence to production efficiency.

Description

Spraying device for round billet continuous casting machine

Technical Field

The application relates to the technical field of continuous casting machines, in particular to a spraying device for a round billet continuous casting machine.

Background

The information provided in this section is for the purpose of generally presenting the context of the disclosure. Work of the presently named inventors, to the extent it is described in this section, as well as aspects of the description that may not otherwise qualify as prior art at the time of filing, are neither expressly nor impliedly admitted as prior art against the present disclosure.

In the production of iron and steel industry, square billet, rectangular billet and round billet are generally produced by adopting an arc continuous casting machine, molten steel is cooled once through a copper pipe of a crystallizer to form a primary billet shell in the crystallizer, a casting billet with a liquid core is pulled out of the crystallizer under the traction of an ingot guide rod, and secondary cooling is carried out in a secondary cooling zone of a guide section until the casting billet is completely solidified. After the casting blank passes through the guide system, the casting blank is corrected in a tension leveler to be in a horizontal state, and then the casting blank is conveyed to a continuous casting cutting machine to be cut into fixed length.

The casting blank is good and bad in two cold areas cooling, all have very big influence to casting machine output and casting machine quality, traditional little square billet conticaster adopts rigidity dummy bar, the interval is great between the circular arc section roller, two cold areas shower are arranged simply relatively, big section round billet and square billet adopt flexible dummy bar usually, need roll table and bearing roller to support, arc section braced frame is relatively complicated, two cold areas adopt a plurality of spray ring or installation shower usually, a plurality of spray ring structure are complicated, traditional shower interferes with the continuous casting frame each other, comparatively consume time when changing.

Along with the needs of production development, the conticaster need switch over production between the round billet of different sizes and square billet, want to let a casting line produce square billet and round billet simultaneously, need change the nozzle repeatedly and adjust the position of nozzle, need consume a large amount of time in the operation process, especially need take out the shower that interferes with the continuous casting frame from the inboard bottom, the operation difficulty seriously influences the operating rate of conticaster.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, this application provides a spray set for round billet conticaster to solve the spray structure among the prior art and lead to the problem of operation difficulty and influence production efficiency because of structure interference and space limitation.

The above object of the present application is mainly achieved by the following technical solutions:

a spray system for a continuous round billet caster comprising:

the water inlet ring is used for being connected with a water conveying pipeline;

the air inlet ring is used for being connected with the gas pipeline;

the mounting support is respectively fixed on the water inlet ring and the air inlet ring and is used for being fixed on the continuous casting rack;

the plurality of spray pipes are internally provided with channels respectively connected with the water inlet ring and the air inlet ring and are positioned outside the water inlet ring, the air inlet ring or the mounting support;

the multiple groups of extension pipes are arranged on the spray pipes at intervals, one ends of the extension pipes are communicated with the interior of the spray pipes, the other ends of the extension pipes are used for extending towards the center of a casting blank, and two adjacent extension pipes have projections which are arranged in a staggered mode on a plane perpendicular to the length direction of the spray pipes.

Further, the number of the spray pipes is four, and the spray pipes are arranged along the central line of the water inlet ring at intervals in the circumferential direction.

Furthermore, an included angle of 45 degrees is formed between the projections of every two adjacent extension pipes on the spray pipe on a plane perpendicular to the length direction of the spray pipe.

Further, the extension pipe is kept away from the one end of shower is equipped with the mounting panel that is used for installing the nozzle, be equipped with a plurality of mounting holes on the mounting panel, fixedly connected with locating pin on the mounting panel.

Furthermore, the projections of the mounting plates on a plane perpendicular to the length direction of the spray pipe are positioned on an arc, and the projections of the adjacent mounting plates form an included angle of 45 degrees.

Further, the shower includes with advance water ring with two first branch pipes that the ring is connected respectively are admitted air to the ring, the extension pipe includes with two the second branch pipe that first branch pipe is connected respectively.

Furthermore, the spray pipe is connected with the water inlet ring and the air inlet ring through hoses.

Further, the shape and the size of the water inlet ring and the air inlet ring are the same and are octagonal, and the edges of the water inlet ring and the air inlet ring are parallel to each other.

Further, it is a plurality of be equipped with a plurality of installation departments on the shower respectively, the installation department respectively with the ring of intaking with the ring connection of admitting air.

Furthermore, the water inlet ring, the air inlet ring and the spray pipe are respectively provided with an openable discharge hole.

Compared with the prior art, the application has the advantages that:

this application is through setting up into water ring and air inlet ring, and fix in the conticaster frame through erection support, a plurality of shower are installed at water ring, air inlet ring or erection support's the outside, in the shower with water ring and air inlet ring intercommunication, interval arrangement multiunit extension pipe on every shower, the one end of extension pipe is used for extending towards the center of casting blank, on the plane of perpendicular to shower length direction, two adjacent extension pipes have the projection of dislocation arrangement, in the time of the actual operation, the intraductal water of water inlet and the intra-annular air of air inlet pass through the shower and extension pipe towards the casting blank output, and then realize the cooling operation of casting blank, the dislocation arrangement of extension pipe keeps carrying out even and covering comprehensive cooling to the casting blank, under the prerequisite that possesses the extension pipe, can rationally set up the shower at water ring, the outside of air inlet ring or erection support, and when needing the dismouting shower, operating personnel can directly carry out the dismantlement of shower, need not be subject to the fixed installation relation between water ring and the air inlet ring and the continuous casting frame, also carry out the dismouting from the bottom with vertically, and improve convenience, and then avoid the dismouting influence on the production efficiency, reduce the production efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a spraying device provided in an embodiment of the present application;

fig. 2 is a side view of a spray device provided in an embodiment of the present application;

fig. 3 is a top view of a spray device provided in an embodiment of the present application;

FIG. 4 is a side view of a water inlet ring provided in accordance with an embodiment of the present application;

fig. 5 is a schematic structural diagram of a shower provided in an embodiment of the present application;

in the figure: 11. a water inlet ring; 12. an air inlet ring; 13. mounting a support; 2. a shower pipe; 21. a first branch pipe; 3. an extension tube; 31. a second branch pipe; 4. an installation part; 5. a discharge orifice; 61. mounting a plate; 62. mounting holes; 63. positioning pins; 7. a continuous casting machine frame; 8. and (4) a nozzle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

As shown in fig. 1 to 5, a spray apparatus for a round billet continuous casting machine comprises a water inlet ring 11, a gas inlet ring 12, a mounting support 13, a plurality of spray pipes 2 and a plurality of extension pipes 3, wherein:

the water inlet ring 11 is used for connecting with a water pipeline so as to be convenient for introducing cooling liquid.

The gas inlet ring 12 is adapted to be connected to a gas pipe for facilitating the introduction of gas.

The mounting supports 13 are respectively fixed on the water inlet ring 11 and the air inlet ring 12 and are used for being fixed on the continuous casting frame 7, and according to the structural arrangement of the continuous casting frame 7, the mounting supports 13 are provided with two mounting legs and are stably fixed on two sides of the continuous casting frame 7, that is, after the water inlet ring 11 and the air inlet ring 12 are fixed on the continuous casting frame 7 through the mounting supports 13, a ring is enclosed among the continuous casting frame 7, the mounting supports 13 and the water inlet ring 11 or the air inlet ring 12, and a space without limitation is formed.

The plurality of spray pipes 2 are internally provided with channels respectively connected with the water inlet ring 11 and the air inlet ring 12, cooling liquid in the water inlet ring 11 can enter the spray pipes 2, gas in the air inlet ring 12 can also be introduced into the spray pipes 2, and the spray pipes 2 are positioned at the outer sides of the water inlet ring 11, the air inlet ring 12 or the mounting support 13.

It should be noted that the outer sides of the water inlet ring 11 and the air inlet ring 12 are outside the space enclosed by the water inlet ring 11 and the air inlet ring 12, that is, the shower pipes 2 fixed on the water inlet ring 11 or the air inlet ring 12 can be directly separated from the water inlet ring 11 or the air inlet ring 12 along the radial direction of the water inlet ring 11 or the air inlet ring 12, and are not constrained by the water inlet ring 11 or the air inlet ring 12.

The outer side of the mounting support 13 refers to: after the water inlet ring 11 and the air inlet ring 12 are fixed on the continuous casting frame 7 through the mounting support 13, a ring is enclosed among the continuous casting frame 7, the mounting support 13 and the water inlet ring 11 or the air inlet ring 12 to form a space without limitation from top to bottom, and the shower pipe 2 is positioned outside the space, that is, the shower pipe 2 fixed on the mounting support 13 can also be separated from the mounting support 13 along the radial direction of the water inlet ring 11 or the air inlet ring 12, and is not restricted by the mounting relation between the mounting support 13 and the continuous casting frame 7.

The multiple groups of extension pipes 3 are arranged on the spray pipes 2 at intervals, namely, the multiple groups of extension pipes 3 are arranged on each spray pipe 2 at intervals along the length direction, one end of each extension pipe 3 is communicated with the inside of each spray pipe 2, and the other end of each extension pipe is used for extending towards the center of a casting blank, so that cooling liquid or gas inside each spray pipe 2 can conveniently enter each extension pipe 3 and can be sprayed out towards the casting blank under the guidance of each extension pipe 3.

On the plane perpendicular to shower 2 length direction, two adjacent extension pipes 3 have the projection of dislocation arrangement, and the place of difference on the casting blank is cooled off to the multiunit extension pipe 3 on shower 2 that also, improves and can cover bigger cooling operation region, realizes the purpose of even cooling.

The working principle of the embodiment is as follows: through setting up into water ring 11 and air ring 12, and fix in the conticaster frame through erection support 13, a plurality of shower 2 are installed at water ring 11, admit air the outside of ring 12 or erection support 13, communicate with water ring 11 and the ring 12 that admits air in shower 2, interval arrangement multiunit extension pipe 3 on every shower 2, the one end of extension pipe 3 is used for extending towards the center of casting blank, on the plane perpendicular to shower 2 length direction, two adjacent extension pipes 3 have the projection of dislocation arrangement, during actual operation, the water in the water ring 11 and the air in the ring 12 that admits air pass through shower 2 and extension pipe 3 towards the output, and then realize the cooling operation of casting blank, the dislocation arrangement of extension pipe 3 keeps evenly and covering comprehensive cooling to the casting blank, under the prerequisite that possesses extension pipe 3, can rationally set up shower 2 in water ring 11, admit air the outside of ring 12 or erection support 13, and when needing shower 2, operating personnel can directly carry out the dismantlement of shower 2, need not be restricted to advance water ring 11 and intake the fixed relation, and improve the dismouting efficiency of continuous production from 7, the improvement of the dismouting efficiency of continuous production, the easy to the bottom of avoiding the influence of the continuous casting blank.

Further, on the basis of the above embodiment, four spray pipes 2 are arranged and circumferentially spaced along the center line of the water inlet ring 11, so that the spray pipes 2 can be more uniformly arranged on the periphery of the casting blank, and the spray cooling effect is improved, and meanwhile, because the extension pipes 3 on each spray pipe 2 are arranged in a staggered manner, cooling points with at least 8 angles can be formed on the periphery of the casting blank, and the necessary cooling effect is maintained while the resource utilization rate is reduced.

Further, on the basis of the above embodiment, the projection of every two adjacent extension pipes 3 on the spray pipe 2 on the plane perpendicular to the length direction of the spray pipe 2 has an included angle of 45 °.

Specifically, the four groups of extension pipes 3 are arranged on one spray pipe 2, wherein the first group of extension pipes 3 and the third group of extension pipes 3 are located at the same position in the direction from one end of the spray pipe 2 to the other end, the second group of extension pipes 3 and the fourth group of extension pipes 3 are located at the same position, the extension pipes are perpendicular to the plane in the length direction of the spray pipe 2, and a 45-degree included angle is formed between the projections of the first group of extension pipes 3 and the second group of extension pipes 3, so that the spray pipes 2 correspond to four cooling point positions which are arranged in a staggered manner on the outer peripheral surface of a casting blank, and after a spray head is installed at one end of each extension pipe 3 in a matched manner, the outer peripheral surface of the casting blank in the area can be more reasonably and uniformly covered, meanwhile, the angle setting can also achieve a better cooling effect on different specifications of square billets and round billets, and the coverage comprehensiveness is improved.

Further, on the basis of the above-mentioned embodiment, the one end that extension pipe 3 kept away from shower 2 is equipped with mounting panel 61 that is used for installing nozzle 8, be equipped with a plurality of mounting holes 62 on mounting panel 61, nozzle 8 can be quick fix through mounting hole 62 on mounting panel 61, and mounting panel 61 provides the plane of nozzle 8 stable erection, can adopt the bolt to pass this mounting hole 62 and be connected with nozzle 8, fixedly connected with locating pin 63 on mounting panel 61 improves nozzle 8 installation effectiveness, realizes accurate location, improves operating efficiency

Further, on the basis of the above embodiment, the projections of all the mounting plates 61 on the plane perpendicular to the length direction of the shower pipe 2 are located on an arc, and the adjacent projections of the mounting plates 61 have an included angle of 45 degrees, so that a more accurate spraying direction is obtained after the nozzles 8 are mounted, and the effect of uniform spraying is maintained.

Further, on the basis of the above embodiment, the shower pipe 2 includes two first branch pipes 21 respectively connected to the water inlet ring 11 and the air inlet ring 12, so that the inside of the shower pipe 2 is partitioned and communicated with the water inlet ring 11 and the air inlet ring 12 through the two first branch pipes 21, thereby preventing the water and the air from mixing, and the extension pipe 3 includes two second branch pipes 31 respectively connected to the two first branch pipes 21, so that the inside of the extension pipe 3 is partitioned and communicated with the water inlet ring 11 and the air inlet ring 12 through the two second branch pipes 31, thereby preventing the water and the air from mixing.

Or two independent channels are separated from the interior of the spray pipe 2 and the extension pipe 3 directly through the partition plate, so that the two independent channels can be respectively communicated with the water inlet ring 11 and the air inlet ring 12.

Further, on the basis of the above embodiment, the shower pipe 2 is connected with the water inlet ring 11 and the air inlet ring 12 through hoses, so that the disassembly and assembly operations are facilitated, and the sealing performance is improved.

Further, on the basis of the above embodiment, the shape and size of the water inlet ring 11 and the air inlet ring 12 are the same, and both are octagonal, and the respective sides of the water inlet ring 11 and the air inlet ring 12 are parallel to each other.

Further, on the basis of the above-mentioned embodiment, a plurality of installation portions 4 are respectively arranged on the plurality of spray pipes 2, the installation portions 4 are respectively connected with the water inlet ring 11 and the air inlet ring 12, and further, the detachable operation of the installation portions 4 between the spray pipes 2 and the water inlet ring 11 and the air inlet ring 12 can be realized by bolts.

Further, on the basis of the above embodiment, the water inlet ring 11, the air inlet ring 12 and the shower pipe 2 are respectively provided with an openable discharge hole 5, so as to facilitate discharging residual water for maintenance operation.

It should be understood that the terms first, second, etc. are used merely for distinguishing between descriptions and are not intended to indicate or imply relative importance. Although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.

It should be understood that the term "and/or" herein is merely one type of association relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: the three cases of A alone, B alone and A and B together exist, and the term "/and" in this document describes another associated object relationship, which means that two relationships may exist, for example, A/and B, which may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.

It is to be understood that in the description of the present invention, the terms "upper", "vertical", "inner", "outer", and the like refer to the orientation or positional relationship that is customarily placed during use of the disclosed products, or that is customarily understood by those skilled in the art, merely to facilitate description of the invention and to simplify description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.

In the following description, specific details are provided to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring the example embodiments.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.

Claims

1. The utility model provides a spray set for round billet caster which characterized in that, it includes:

the air inlet ring is used for being connected with the gas pipeline;

2. The spray apparatus for a round billet continuous casting machine according to claim 1, characterized in that: the shower is equipped with four, and follows the central line circumference interval arrangement of ring of intaking.

3. The spray apparatus for a round billet continuous casting machine according to claim 2, characterized in that: and the projections of every two adjacent extension pipes on the spray pipe on a plane vertical to the length direction of the spray pipe form an included angle of 45 degrees.

4. The spray apparatus for a round billet continuous casting machine according to claim 3, characterized in that: the extension pipe is kept away from the one end of shower is equipped with the mounting panel that is used for installing the nozzle, be equipped with a plurality of mounting holes on the mounting panel, fixedly connected with locating pin on the mounting panel.

5. The spray apparatus for a round billet continuous casting machine according to claim 4, characterized in that: a plurality of the mounting plates are perpendicular to the projections of the spray pipes on the plane in the length direction are positioned on an arc, and the projections of the mounting plates are adjacent to each other and form an included angle of 45 degrees.

6. The spray apparatus for a round billet continuous casting machine according to claim 1, characterized in that: the shower includes with advance water ring with two first branch pipes that the ring is connected respectively admits air, the extension pipe includes with two second branch pipes that first branch pipe is connected respectively.

7. The spray apparatus for a round billet continuous casting machine according to claim 6, characterized in that: the spray pipe is connected with the water inlet ring and the air inlet ring through hoses respectively.

8. The spray apparatus for a round billet continuous casting machine according to claim 1, characterized in that: the shape and the size of the water inlet ring and the air inlet ring are the same and are octagonal, and the sides of the water inlet ring and the air inlet ring are parallel to each other.

9. The spray apparatus for a round billet continuous casting machine according to claim 1, characterized in that: a plurality of installation parts are respectively arranged on the spray pipes, and the installation parts are respectively connected with the water inlet ring and the air inlet ring.

10. The spray apparatus for a round billet continuous casting machine according to claim 1, characterized in that: the water inlet ring, the air inlet ring and the spray pipe are respectively provided with an openable discharge hole.