阅读说明：本技术 一种连铸喷嘴防堵装置 (Continuous casting nozzle anti-blocking device ) 是由 赵小军 刘钧 李刚 陈宏� 许永强 杜庆峰 蔡国宾 李阳 朱德明 梁峰 余海东 于 2019-11-29 设计创作，主要内容包括：本发明的一种连铸喷嘴防堵装置,包括开设在喷嘴管道上的可封闭的斜向管道以及通过该斜向管道塞入喷嘴管道的引导管道,引导管道为柔性管道,所述引导管道进入喷嘴管道的端部具有环形端,引导管道位于环形端内的内壁位置设有若干铰接点,每个铰接点上设有一根连杆,连杆的另一端设有牵引杆,连杆与牵引杆铰接；所述牵引杆为分为前段和后段,前段和后段之间也相互铰接,牵引杆前段的长度与引导管道塞入喷嘴管道的长度相同。本发明的一种连铸喷嘴防堵装置,可在喷嘴管道某区域设置引导管道,通过在引导管道内注入高压水,可清洗喷嘴管道内的偏析和沉淀杂质。(The invention relates to an anti-blocking device for a continuous casting nozzle, which comprises a closable oblique pipeline arranged on a nozzle pipeline and a guide pipeline plugged into the nozzle pipeline through the oblique pipeline, wherein the guide pipeline is a flexible pipeline, the end part of the guide pipeline, entering the nozzle pipeline, is provided with an annular end, the inner wall of the guide pipeline, positioned in the annular end, is provided with a plurality of hinge points, each hinge point is provided with a connecting rod, the other end of each connecting rod is provided with a traction rod, and the connecting rods are hinged with the traction rods; the traction rod is divided into a front section and a rear section, the front section and the rear section are hinged with each other, and the length of the front section of the traction rod is the same as the length of the guide pipeline plugged into the nozzle pipeline. The continuous casting nozzle anti-blocking device can be provided with the guide pipeline in a certain area of the nozzle pipeline, and segregation and precipitated impurities in the nozzle pipeline can be cleaned by injecting high-pressure water into the guide pipeline.)

1. The utility model provides a stifled device is prevented to continuous casting nozzle which characterized in that: the nozzle comprises an inclined pipeline (2) arranged on a nozzle pipeline (1) and a guide pipeline (3) plugged into the nozzle pipeline (1) through the inclined pipeline (2), wherein the inclined pipeline (2) is closable, the guide pipeline (3) is a flexible pipeline, an annular end (4) is arranged at the end part of the guide pipeline (3) entering the nozzle pipeline (1), a plurality of hinge points (5) are arranged at the inner wall position of the guide pipeline (3) in the annular end (4), a connecting rod (6) is arranged on each hinge point (5), a draw bar (7) is arranged at the other end of each connecting rod (6), and the connecting rods (6) are hinged with the draw bars (7); the traction rod (7) is divided into a front section and a rear section, the front section and the rear section are hinged with each other, and the length of the front section of the traction rod (7) is the same as the length of the guide pipeline (3) plugged into the nozzle pipeline (1); the end part of the guide pipeline (3) positioned outside the nozzle pipeline (1) is connected with an external washing water pump; the rear section of the traction rod (7) can be fixed on the inner wall of the guide pipeline (3).

2. The anti-clogging device for a continuous casting nozzle according to claim 1, wherein: an auxiliary connecting rod (8) is arranged between the middle position of the connecting rod (6) and the edge of the annular end (4), and the auxiliary connecting rod (8) is hinged to the connecting rod (6) and the annular end (4) respectively.

3. The anti-clogging device for a continuous casting nozzle according to claim 1, wherein: the outer part of the annular end (4) is provided with an inclined plane (9).

4. The anti-clogging device for a continuous casting nozzle according to claim 1, wherein: two inclined pipelines (2) are arranged on the nozzle pipeline (1), and each inclined pipeline (2) is correspondingly provided with one guide pipeline (3).

5. The anti-clogging device for a continuous casting nozzle according to claim 1, wherein: the distance between the hinge point (5) and the annular end (4) is 1cm-5cm, and a plurality of notches are distributed on the outer surface of the nozzle pipeline (1) in the area between the hinge point (5) and the annular end (4).

6. The anti-clogging device for a continuous casting nozzle according to claim 1, wherein: the inner wall of the guide pipeline (3) is provided with a pair of steps (10), and the rear section of the traction rod (7) is provided with a buckle (11) which can be clamped on the steps (10).

Technical Field

The invention relates to the technical field of continuous casting and cooling of blanks, in particular to an anti-blocking device for a continuous casting nozzle.

Background

The continuous casting cooling system has great influence on the internal quality of the continuous casting billet, and the internal segregation of the continuous casting billet can be caused due to uneven cooling, so that the quality of a product after rolling is influenced. Because the plug can't in time discharge in the cooling water of quality of water reason continuous casting spray frame, lead to the nozzle to regularly cause the jam, unable processing causes the continuous casting billet cooling inhomogeneous on the one hand, influences the casting blank quality, and on the other hand utilizes the time to change and blocks up the nozzle, influences production efficiency, increases manufacturing cost.

Disclosure of Invention

The invention aims to solve the problem that the continuous casting spray rack pipeline in the prior art is easy to block a nozzle due to excessive impurities, and provides an anti-blocking device for a continuous casting nozzle.

In order to achieve the purpose, the invention adopts the following technical scheme:

a continuous casting nozzle anti-blocking device comprises an inclined pipeline arranged on a nozzle pipeline and a guide pipeline plugged into the nozzle pipeline through the inclined pipeline, wherein the inclined pipeline is closable, the guide pipeline is a flexible pipeline, the end part, entering the nozzle pipeline, of the guide pipeline is provided with an annular end, a plurality of hinge points are arranged on the inner wall of the guide pipeline, positioned in the annular end, of the guide pipeline, a connecting rod is arranged on each hinge point, a traction rod is arranged at the other end of each connecting rod, and the connecting rods are hinged with the traction rods; the traction rod is divided into a front section and a rear section, the front section and the rear section are hinged with each other, and the length of the front section of the traction rod is the same as the length of the guide pipeline inserted into the nozzle pipeline; the end part of the guide pipeline positioned outside the nozzle pipeline is connected with an external washing water pump; the rear section of the traction rod can be fixed on the inner wall of the guide pipeline.

As a further preferred solution, an attachment rod is provided between the middle position of the link and the edge of the annular end, the attachment rod being hinged to the link and the annular end, respectively.

As a further preferred option, the outer part of the annular end is provided with a bevel.

As a further preferable scheme, two oblique pipelines are arranged on the nozzle pipeline, and each oblique pipeline is correspondingly provided with one guide pipeline.

As a further preferable scheme, the distance between the hinge point and the annular end is 1cm-5cm, and a plurality of notches are distributed on the outer surface of the nozzle pipeline in the area between the hinge point and the annular end.

As a further preferable scheme, the inner wall of the guide pipeline is provided with a pair of steps, and the rear section of the traction rod is provided with a buckle capable of being clamped on the steps.

According to the continuous casting nozzle anti-blocking device, the guide pipeline can be arranged in a certain area of the nozzle pipeline, segregation and precipitated impurities in the nozzle pipeline can be cleaned by injecting high-pressure water into the guide pipeline, and the problems that other parts are damaged due to blocking, the spraying effect is poor and the product quality is poor are solved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the leading end structure of the guide duct;

FIG. 3 is a schematic view of the rear end structure of the guide duct;

in the figure: 1. nozzle pipe, 2, slant pipe, 3, guide pipe, 4, annular end, 5, pin joint, 6, connecting rod, 7, drawbar, 8, attachement pole, 9, inclined plane, 10, step, 11, buckle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

A continuous casting nozzle anti-blocking device comprises an inclined pipeline 2 arranged on a nozzle pipeline 1 and a guide pipeline 3 plugged into the nozzle pipeline 1 through the inclined pipeline 2, wherein the inclined pipeline 2 is closable, the guide pipeline 3 is a flexible pipeline, an annular end 4 is arranged at the end part, entering the nozzle pipeline 1, of the guide pipeline 3, a plurality of hinge points 5 are arranged at the inner wall position, located in the annular end 4, of the guide pipeline 3, a connecting rod 6 is arranged on each hinge point 5, a traction rod 7 is arranged at the other end of each connecting rod 6, and the connecting rods 6 are hinged to the traction rods 7;

the traction rod 7 is divided into a front section and a rear section, the front section and the rear section are also hinged with each other, and the length of the front section of the traction rod 7 is the same as the length of the guide pipeline 3 plugged into the nozzle pipeline 1; the end part of the guide pipeline 3, which is positioned outside the nozzle pipeline 1, is connected with an external washing water pump; the rear section of the drawbar 7 can be fixed on the inner wall of the guide pipe 3.

When the nozzle pipeline is used, the inclined pipeline 2 is opened, the guide pipeline 3 is inserted, the rear section of the traction rod 7 is pushed into the guide pipeline 3 at the outer end of the guide pipeline 3 to drive the front section of the traction rod 7 to move forwards, so that each connecting rod 6 applies pressure to the guide pipeline 3, the guide pipeline 3 is flared, the guide pipeline 3 is in contact with the nozzle pipeline 1, under the condition of higher pressure, the friction force is increased, the fixation between the guide pipeline 3 and the nozzle pipeline 1 is realized, the rear section of the traction rod 7 is fixed on the inner wall of the guide pipeline 3 at the moment, the fixation between the guide pipeline 3 and the nozzle pipeline 1 is kept, finally, an external washing water pump is connected with the guide pipeline 3, and high-pressure water is injected to wash the nozzle pipeline 1.

In addition, two inclined pipelines 2 can be arranged on the nozzle pipeline 1, each inclined pipeline 2 is correspondingly provided with one guide pipeline 3, one guide pipeline 3 is connected with an external washing water pump, and the other guide pipeline 3 is used for discharging water, so that the inside of the nozzle pipeline 1 of a certain area section can be cleaned.

The rear section of the traction rod 7 can be fixed on the inner wall of the guide pipeline 3, and the method is characterized in that a pair of steps 10 are arranged on the inner wall of the guide pipeline 3, and a buckle 11 which can be clamped on the steps 10 is arranged on the rear section of the traction rod 7; when the device is used, the guide pipeline 3 is extruded to enable the distance between the two steps 10 to be increased, then the pair of buckles 11 on the rear section of the traction rod 7 are placed at the front ends of the two steps 10, finally the guide pipeline 3 is loosened, the guide pipeline 3 is restored to the initial state, namely the distance between the two steps 10 is reduced, the buckles 11 at the respective positions are just placed on the steps 10, and the rear section of the traction rod 7 is fixed.

In order to improve the fit and friction between the guide pipe 3 and the nozzle pipe 1, an attachment rod 8 is arranged between the middle position of the connecting rod 6 and the edge of the annular end 4, the attachment rod 8 is hinged with the connecting rod 6 and the annular end 4 respectively, and when the front section of the traction rod 7 moves forwards, the attachment rod 8 can also push the annular end 4 to exert pressure outwards, so that the friction between the annular end 4 and the nozzle pipe 1 is also increased.

The distance between the hinge point 5 and the annular end 4 is 1cm-5cm, so that two positions on the guide pipeline 3 are fixed with the nozzle pipeline 1, the stability is better improved, and water leakage and falling off under the impact of water are avoided.

The outside of the ring-shaped end 4 is provided with a bevel 9 for facilitating the circulation of cleaning water.

A plurality of notches are distributed on the outer surface of the nozzle pipeline 1 in the area between the hinge point 5 and the annular end 4, and when the guide pipeline 3 is attached to the nozzle pipeline 1, the notches can play a role similar to a sucking disc, so that the fixing effect is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.