CN217018532U

CN217018532U - Spraying device for fixed section of continuous casting machine

Info

Publication number: CN217018532U
Application number: CN202220746433.1U
Authority: CN
Inventors: 刘鹏飞; 丁鹏飞; 刘玉涛
Original assignee: Beijing Jingcheng Kechuang Engineering Technology Co ltd
Current assignee: Beijing Jingcheng Kechuang Engineering Technology Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-07-22
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a spraying device for a fixed section of a continuous casting machine. The device comprises a water inlet ring and an air inlet ring which are connected with a fixed section of a continuous casting machine, wherein the water inlet ring is connected with a water delivery pipeline, and the air inlet ring is connected with an air pipeline; the spraying device comprises a water inlet ring, a water inlet pipe, a water outlet ring, an air inlet pipe and a gas inlet pipe, wherein the water inlet pipe is connected with the water inlet ring through a pipeline; the inlet tube with all be equipped with the nozzle on the intake pipe. The device is suitable for a square, round and rectangular billet mixed type continuous casting machine, only one set of fixed section needs to be prepared when casting billets with different sections, and the purpose of adapting to producing various section casting billets can be achieved by adjusting the position of the spraying water strips on line according to the change of the casting sections.

Description

Spraying device for fixed section of continuous casting machine

Technical Field

The utility model relates to the technical field of continuous casting machines, in particular to a spraying device for a fixed section of a continuous casting machine.

Background

Continuous casting is a process of melting metal into liquid, pouring the liquid metal into a set of condensing equipment, and drawing a cast piece of a certain length and shape from another section of the condensing equipment in the case of partial condensation of the metal, and the equipment used for the process is called a continuous casting machine.

The production flow of the continuous casting machine comprises the following steps: high-temperature molten steel is continuously poured into one or a group of water-cooled copper crystallizers, the molten steel is gradually solidified into blank shells along the peripheries of the crystallizers, after the liquid level of the molten steel rises to a certain height and the blank shells are solidified to a certain thickness, a blank is pulled out by a straightening machine, the casting blank is completely solidified through water spray cooling in a secondary cooling area, and the casting blank is cut into fixed sizes by a cutting device according to the steel rolling requirements.

The fixed section is used for supporting a casting blank in the continuous casting process, the casting blank needs to be subjected to spray cooling in the process, and a plurality of different fixed section spray devices need to be adopted for a square, round and rectangular blank mixed type continuous casting machine, so that the structure of the continuous casting machine is complicated, and the operation is complex.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a spraying device for a fixed section of a continuous casting machine, wherein the fixed section of the continuous casting machine can be suitable for a square, round and rectangular billet mixed type continuous casting machine, can spray and cool section casting blanks with different shapes, and is simple to operate.

The utility model provides a spraying device for a fixed section of a continuous casting machine, which comprises a fixed section of the continuous casting machine, wherein the fixed section of the continuous casting machine is provided with a water inlet ring and an air inlet ring, the water inlet ring is connected with a water delivery pipeline, and the air inlet ring is connected with a gas pipeline;

the spraying device comprises a water inlet ring, a water inlet pipe, a water outlet ring, an air inlet pipe and a gas inlet pipe, wherein the water inlet pipe is connected with the water inlet ring through a pipeline;

the water inlet pipe and the air inlet pipe are both provided with nozzles.

Further, the shape and 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.

Furthermore, a plurality of connecting plates are arranged on the inner arc side spray pipe, the outer arc side spray pipe, the right side spray pipe and the left side spray pipe, and the connecting plates are respectively connected with the water inlet ring and the air inlet ring.

Furthermore, a first outer arc side connecting support is mounted at the bottom of the inner periphery of the water inlet ring and is connected with the outer arc side spray pipe through the connecting plate; a first inner arc side connecting support is arranged on one side opposite to the first outer arc side connecting support and is connected with the inner arc side spray pipe through the connecting plate; first outer arc side linking bridge both sides are equipped with first left side linking bridge and first right side linking bridge respectively, first left side linking bridge passes through the connecting plate with the left side shower is connected, first right side linking bridge passes through the connecting plate with the right side shower is connected.

Furthermore, a second outer arc side connecting support is arranged at the bottom of the inner periphery of the air inlet ring and is connected with the outer arc side spray pipe; a second inner arc side connecting support is arranged on one side opposite to the second outer arc side connecting support and is connected with the inner arc side spray pipe; and a second left side connecting support and a second right side connecting support are respectively arranged on two sides of the second outer arc side connecting support, the second left side connecting support is connected with the left side spray pipe, and the second right side connecting support is connected with the right side spray pipe.

Furthermore, first inner arc side linking bridge is located the lateral wall of ring of intaking, second inner arc side linking bridge is located the lateral wall of ring of intaking.

Furthermore, the connecting plates of the inner arc side spray pipes are provided with long holes, and the long holes are respectively connected with the first inner arc side connecting bracket and the second inner arc side connecting bracket through bolts; and a long hole is formed in the connecting plate of the outer arc side spray pipe and is connected with the first outer arc side connecting support and the second outer arc side connecting support through bolts respectively.

Furthermore, a long hole is formed in the connecting plate of the left side spray pipe and is connected with the first left side connecting bracket and the second left side connecting bracket through bolts; and a long hole is formed in the connecting plate of the right side spray pipe and is connected with the first right side connecting support and the second right side connecting support through bolts respectively.

Furthermore, the inner arc side spray pipe, the outer arc side spray pipe, the right side spray pipe and the left side spray pipe are all provided with cushion blocks, and the cushion blocks are in threaded connection with the nozzles.

Furthermore, the periphery bottom of the water inlet ring and the air inlet ring are welded with supporting legs, and the supporting legs are connected with the fixed section of the continuous casting machine through bolts.

Compared with the prior art, the utility model has the following advantages:

(1) according to the spraying device for the fixed section of the continuous casting machine, the water inlet ring and the air inlet ring are arranged on the fixed section of the continuous casting machine, and cooling water and compressed air from a workshop are sent into the inner arc side spraying pipe, the outer arc side spraying pipe, the left side spraying pipe and the right side spraying pipe which are communicated with the water inlet ring and the air inlet ring, so that the aim of spraying and cooling a casting blank is fulfilled.

(2) The spray device for the fixed section of the continuous casting machine is suitable for a square, round and rectangular billet mixed type continuous casting machine, and when casting billets with various sections, only one set of fixed section needs to be prepared, and the aim of producing the billets with various sections can be achieved by adjusting the positions of the spray water strips on line according to the change of the casting sections.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of a spraying device at a fixed section of a continuous casting machine in the embodiment of the utility model;

FIG. 2 is a schematic structural diagram of a spraying device of a fixed section of a continuous casting machine in the embodiment of the utility model, which is arranged on the fixed section;

FIG. 3 is a schematic structural diagram of a water inlet ring according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of an intake ring according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of an inner arc side shower in an embodiment of the present invention;

FIG. 6 is a schematic structural view of an outer arc side shower in an embodiment of the present invention;

FIG. 7 is a schematic structural view of a right-side shower in an embodiment of the present invention;

fig. 8 is a schematic structural view of the left shower pipe in the embodiment of the present invention.

Description of the reference numerals: 1-water inlet ring, 101-first outer arc side connecting bracket, 102-first inner arc side connecting bracket, 103-first left side connecting bracket, 104-first right side connecting bracket, 105-water outlet, 106-water inlet connecting pipe, 107-first supporting leg, 2-air inlet ring, 201-second outer arc side connecting bracket, 202-second inner arc side connecting bracket, 203-second left side connecting bracket, 204-second right side connecting bracket, 205-air outlet, 206-air inlet connecting pipe, 207-second supporting leg, 3-inner arc side spray pipe, 301-inner arc side water inlet pipe, 302-inner arc side air inlet pipe, 303-first connecting plate, 304-first long hole, 305-first cushion block, 306-inner arc side water inlet, 4-outer arc side spray pipe, 401-outer arc side water inlet pipe, 402-outer arc side air inlet pipe, 403-second connecting plate, 404-second long hole, 405-second cushion block, 5-right side spray pipe, 501-right side water inlet pipe, 502-right side air inlet pipe, 503-third connecting plate, 504-third long hole, 505-third cushion block, 506-right side water inlet, 507-right side air inlet, 6-left side spray pipe, 601-left side water inlet pipe, 602-left side air inlet pipe, 603-fourth connecting plate, 604-fourth long hole, 605-fourth cushion block, 7-nozzle, 8-continuous casting machine fixed section and 9-hose.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Examples

A spraying device for a fixed section of a continuous casting machine is shown in figures 1, 2, 3 and 4 and comprises a water inlet ring 1 and an air inlet ring 2 which are connected with a fixed section 8 of the continuous casting machine, wherein the water inlet ring 1 is positioned above the air inlet ring 2. A water inlet connecting pipe 106 is arranged on the side wall of the water inlet ring 1, the water inlet connecting pipe 106 is connected with a water conveying pipeline from a workshop through a pipeline, and cooling water is introduced into the water inlet ring 1; an air inlet connecting pipe 206 is installed on the side wall of the air inlet ring 2, the air inlet connecting pipe 206 is connected with a gas pipeline from a workshop, and compressed air is introduced into the air inlet ring 2.

The water inlet ring 1 and the air inlet ring 2 are both made of square steel pipes, the shapes of the water inlet ring 1 and the air inlet ring 2 are octagons, the sizes of the water inlet ring and the air inlet ring are the same, and the sides of the water inlet ring 1 and the air inlet ring 2 are parallel to each other. The bottom of the water inlet ring 1 and the bottom of the air inlet ring 2 are both welded with two support legs, and the support legs are connected with the fixed section 8 of the continuous casting machine through bolts. The leg of the water inlet ring 1 in fig. 3 is designated as the first leg 107 and the leg of the air inlet ring 2 in fig. 4 is designated as the second leg 207.

The water inlet ring 1 and the air inlet ring 2 are respectively communicated with the inner arc side spray pipe 3, the outer arc side spray pipe 4, the right side spray pipe 5 and the left side spray pipe 6 through hoses 9.

As shown in fig. 3, a first outer arc side connecting bracket 101 is welded to the bottom of the inner periphery of the water inlet ring 1, a first inner arc side connecting bracket 102 is arranged on the side opposite to the first outer arc side connecting bracket 101, the first inner arc side connecting bracket 102 is welded to the side wall of the water inlet ring 1, and a first left side connecting bracket 103 and a first right side connecting bracket 104 are welded to the two sides of the first outer arc side connecting bracket 101 respectively.

As shown in fig. 4, a second outer arc side connecting bracket 201 is welded to the bottom of the inner periphery of the air intake ring 2, a second inner arc side connecting bracket 202 is arranged on the side opposite to the second outer arc side connecting bracket 201, the second inner arc side connecting bracket 202 is welded to the side wall of the air intake ring 2, and a second left side connecting bracket 203 and a second right side connecting bracket 204 are welded to the two sides of the second outer arc side connecting bracket 201 respectively.

As shown in fig. 5, the inner arc side shower pipe 3 includes an inner arc side water inlet pipe 301 and an inner arc side air inlet pipe 302 which are arranged in parallel, and both the inner arc side water inlet pipe 301 and the inner arc side air inlet pipe 302 are made of square steel pipes. Two first connection plates 303 are mounted on the side walls of the inner arc side intake pipe 301 and the inner arc side intake pipe 302. A first long hole 304 is formed in the first connection plate 303, and the first long hole 304 is bolted to the first inner-arc-side connection bracket 102 and the second inner-arc-side connection bracket 202, respectively. The first long hole 304 provided in the first connection plate 303 can eliminate an error caused by a change in the arc radius of the first inner-arc-side connection bracket 102 and the second inner-arc-side connection bracket 202 when they are adjusted, and can also eliminate an error caused by a deformation of the first inner-arc-side connection bracket 102 and the second inner-arc-side connection bracket 202 due to expansion with heat and contraction with cold, among other reasons. The welding has first cushion 305 on interior arc side inlet pipe 301 and the interior arc side inlet pipe 302 lateral wall, and this embodiment has set up 5

first cushion

305, 5 first cushion 305 evenly distributed, is equipped with the screw hole on the first cushion 305 and is used for fixed nozzle 7.

As shown in fig. 6, the outer arc side shower pipe 4 includes an outer arc side water inlet pipe 401 and an outer arc side air inlet pipe 402 which are arranged in parallel, and both the outer arc side water inlet pipe 401 and the outer arc side air inlet pipe 402 are square steel pipes. Two second connecting plates 403 are mounted on the side walls of the outer arc side intake pipe 401 and the outer arc side intake pipe 402. A second long hole 404 is provided on the second connecting plate 403, and is bolted to the first outer arc side connecting bracket 101 and the second outer arc side connecting bracket 201 through the second long hole 404, respectively. The second elongated hole 404 provided in the second connecting plate 403 can eliminate an error caused by a change in the radius of the first outer arc side connecting bracket 101 and the second outer arc side connecting bracket 201 when they are adjusted, and can also eliminate an error caused by a deformation of the first outer arc side connecting bracket 101 and the second outer arc side connecting bracket 201 due to expansion with heat and contraction with cold, and other causes. The welding has second cushion 405 on outer arc side inlet pipe 401 and the outer arc side inlet pipe 402 lateral wall, and this embodiment has set up 5

second cushion

405, 5 second cushion 405 evenly distributed, is equipped with the screw hole on the second cushion 405 and is used for fixed nozzle 7.

As shown in fig. 7, the right shower pipe 5 includes a right water inlet pipe 501 and a right air inlet pipe 502 which are arranged in parallel, and both the right water inlet pipe 501 and the right air inlet pipe 502 are made of square steel pipes. Two third connecting plates 503 are mounted on the side wall of the right water inlet pipe 501 or the right air inlet pipe 502. The third connecting plate 503 is provided with a third long hole 504, and is respectively bolted with the first right connecting bracket 104 and the second right connecting bracket 204 through the third long hole 504. The third long hole 504 formed in the third connecting plate 503 can eliminate errors caused by arc radius changes of the first right connecting bracket 104 and the second right connecting bracket 204 during adjustment, and can also eliminate errors caused by deformation of the first right connecting bracket 104 and the second right connecting bracket 204 due to expansion with heat and contraction with cold and other reasons. The welding has third cushion 505 on the right side inlet tube 501 and the right side intake pipe 502 lateral wall, and this embodiment has set up 5

third cushion

505, and 5 third cushion 505 evenly distributed are equipped with the screw hole on the third cushion 505 and are used for fixed nozzle 7.

As shown in fig. 8, the left shower pipe 6 includes two left water inlet pipes 601 and left air inlet pipes 602 arranged in parallel, and both the left water inlet pipe 601 and the left air inlet pipe 602 are made of square steel pipes. Two fourth connecting plates 603 are mounted on the side wall of the left water inlet pipe 601 or the left air inlet pipe 602. A fourth long hole 604 is formed in the fourth connecting plate 603, and the fourth long hole 604 is respectively bolted to the first left connecting bracket 103 and the second left connecting bracket 203. The fourth long hole 604 provided in the fourth connecting plate 603 can eliminate errors caused by arc radius changes when the first left connecting bracket 103 and the second left connecting bracket 203 are adjusted, and can also eliminate errors caused by deformation of the first left connecting bracket 103 and the second left connecting bracket 203 due to thermal expansion and cold contraction and other reasons. The welding has fourth cushion 605 on left side inlet tube 601 and the left side inlet tube 602 lateral wall, and this embodiment has set up 5

fourth cushion

605, 5 fourth cushion 605 evenly distributed, is equipped with the screw hole on the fourth cushion 605 and is used for fixed nozzle 7.

When the water inlet ring 1 and the air inlet ring 2 provided by this embodiment are connected to the fixing section, the first inner arc side connecting bracket 102 faces downward, and the second inner arc side connecting bracket 202 faces upward, as shown in fig. 2. As shown in fig. 3, the water inlet ring 1 is provided with 4 water outlets 105, the four water outlets 105 are respectively located on the corresponding side walls of the first inner arc side connecting bracket 102, the first outer arc side connecting bracket 101, the first left side connecting bracket 103 and the first right side connecting bracket 104, and the 4 water outlets 105 are respectively connected with the water inlets of the inner arc side water inlet pipe 301, the outer arc side water inlet pipe 401, the right side water inlet pipe 501 and the left side water inlet pipe 601 through the hoses 9. Wherein only the positions of the inner arc side intake pipe 306 and the right side intake port 506 are shown in fig. 1, and the positions of the outer arc side intake pipe 401 and the left side intake pipe 601 are omitted. Cooling water from a workshop enters the water inlet ring 1 through the water inlet connecting pipe 106 through a pipeline, then respectively enters the inner arc side water inlet pipe 301, the outer arc side water inlet pipe 401, the right side water inlet pipe 501 and the left side water inlet pipe 601 through the hoses 9, and finally enters the nozzle 7 through the cushion block.

As shown in fig. 4, the air inlet ring 2 is provided with 4 air outlets 205, three air outlets 205 are respectively located on the corresponding side walls of the second outer arc side connecting bracket 201, the second left side connecting bracket 203 and the second right side connecting bracket 204, one air outlet is located on one side of the second inner arc side connecting bracket 202, and the 4 air outlets 205 are respectively connected with the air inlets of the inner arc side air inlet pipe 302, the outer arc side air inlet pipe 402, the right side air inlet pipe 502 and the left side air inlet pipe 602 through the hoses 9. Of these, only the position of the right inlet 507 can be shown in fig. 1, and the inlet positions of the side walls of the inner arc side intake pipe 302, the outer arc side intake pipe 402, and the left inlet pipe 602 are omitted. Compressed air from a workshop enters the air inlet ring 2 through the air inlet connecting pipe 206 through a pipeline, then enters the inner arc side air inlet pipe 302, the outer arc side air inlet pipe 402, the right side air inlet pipe 502 and the left side air inlet pipe 602 through the hoses 9 respectively, and finally enters the nozzle 7 through the cushion block.

The inner arc side spray pipe 3, the outer arc side spray pipe 4, the right side spray pipe 5 and the left side spray pipe 6 in the embodiment are all bent at a certain radian, and the bending degree of the inner arc side spray pipes is consistent with the radian of the roller way of the continuous casting machine.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A spraying device for a fixed section of a continuous casting machine comprises the fixed section (8) of the continuous casting machine, and is characterized in that a water inlet ring (1) and a gas inlet ring (2) are arranged on the fixed section (8) of the continuous casting machine, the water inlet ring (1) is connected with a water pipeline, and the gas inlet ring (2) is connected with a gas pipeline;

the spraying device is characterized by further comprising an inner arc side spraying pipe (3), an outer arc side spraying pipe (4), a right side spraying pipe (5) and a left side spraying pipe (6), wherein the inner arc side spraying pipe (3), the outer arc side spraying pipe (4), the right side spraying pipe (5) and the left side spraying pipe (6) respectively comprise a water inlet pipe and a gas inlet pipe which are arranged in parallel, the water inlet pipe is connected with the water inlet ring (1) through a pipeline, and the gas inlet pipe is connected with the gas inlet ring (2) through a pipeline;

the water inlet pipe and the air inlet pipe are both provided with nozzles (7).

2. The continuous casting machine fixed-length spray device according to claim 1, characterized in that the water inlet ring (1) and the air inlet ring (2) are the same in shape and size and are octagonal, and the sides of the water inlet ring (1) and the air inlet ring (2) are parallel to each other.

3. The continuous casting machine fixed-section spraying device according to claim 2, wherein a plurality of connecting plates are arranged on the inner arc side spraying pipe (3), the outer arc side spraying pipe (4), the right side spraying pipe (5) and the left side spraying pipe (6), and the connecting plates are respectively connected with the water inlet ring (1) and the air inlet ring (2).

4. The fixed-section spraying device of the continuous casting machine according to claim 3, characterized in that a first outer arc side connecting bracket (101) is installed at the bottom of the inner periphery of the water inlet ring (1), and the first outer arc side connecting bracket (101) is connected with the outer arc side spraying pipe (4) through the connecting plate; a first inner arc side connecting support (102) is installed on one side, opposite to the first outer arc side connecting support (101), of the first outer arc side connecting support, and the first inner arc side connecting support (102) is connected with the inner arc side spraying pipe (3) through the connecting plate; first outer arc side linking bridge (101) both sides are equipped with first left side linking bridge (103) and first right side linking bridge (104) respectively, first left side linking bridge (103) pass through the connecting plate with left side shower (6) are connected, first right side linking bridge (104) pass through the connecting plate with right side shower (5) are connected.

5. The spray device for the fixed section of the continuous casting machine according to claim 4, characterized in that a second outer arc side connecting bracket (201) is installed at the bottom of the inner periphery of the air inlet ring (2), and the second outer arc side connecting bracket (201) is connected with the outer arc side spray pipe (4); a second inner arc side connecting support (202) is installed on one side, opposite to the second outer arc side connecting support (201), of the second outer arc side connecting support, and the second inner arc side connecting support (202) is connected with the inner arc side spraying pipe (3); second outer arc side linking bridge (201) both sides are equipped with second left side linking bridge (203) and second right side linking bridge (204) respectively, second left side linking bridge (203) with left side shower (6) are connected, second right side linking bridge (204) with right side shower (5) are connected.

6. Continuous casting machine fixed-length spray system according to claim 5, characterized in that the first inner arc side connection bracket (102) is located on the side wall of the water inlet ring (1) and the second inner arc side connection bracket (202) is located on the side wall of the air inlet ring (2).

7. The continuous casting machine fixed-section spraying device according to claim 5, characterized in that the connecting plates of the inner arc side spraying pipes (3) are provided with long holes which are respectively connected with the first inner arc side connecting bracket (102) and the second inner arc side connecting bracket (202) through bolts; be equipped with the slot hole on the connecting plate of outer arc side shower (4), the slot hole pass through the bolt respectively with first outer arc side linking bridge (101) with second outer arc side linking bridge (201) are connected.

8. The fixed-section spraying device of the continuous casting machine according to claim 5, characterized in that a long hole is formed in the connecting plate of the left spraying pipe (6), and the long hole is connected with the first left connecting bracket (103) and the second left connecting bracket (203) through bolts; and a long hole is formed in the connecting plate of the right side spray pipe (5), and the long hole is connected with the first right side connecting bracket (104) and the second right side connecting bracket (204) through bolts respectively.

9. The continuous casting machine fixed-section spraying device according to claim 1, characterized in that the inner arc side spraying pipe (3), the outer arc side spraying pipe (4), the right side spraying pipe (5) and the left side spraying pipe (6) are respectively provided with a cushion block, and the cushion blocks are in threaded connection with the nozzles (7).

10. Continuous casting machine fixed-section spraying device according to claim 1, characterized in that the bottom of the periphery of the water inlet ring (1) and the air inlet ring (2) are welded with legs which are bolted with the continuous casting machine fixed section (8).