CN212495275U - Secondary cooling device of continuous casting machine - Google Patents

Abstract

The utility model provides a secondary cooling device of a continuous casting machine, which comprises a casting blank, a side plate, a spray cooling device and a limiting block; two groups of support shafts are symmetrically arranged at the upper end and the lower end of the casting blank, and the support shafts are fixedly connected with the side plates; the spray cooling device comprises an upper spray device and a lower spray device, and the spray cooling device is connected with the water inlet pipe through a clamp B. The utility model discloses a setting of clamp A and clamp B for the inlet tube, go up spray set, can dismantle each other between the spray set down, when the damage appears in the shower nozzle, can change spray cooling device, spray cooling device can carry out water smoke simultaneously to the upper and lower two sides of casting the embryo and spray the cooling simultaneously, can realize the even cooling of casting the embryo, after shower A and shower C's cooling, it reduces to cast the embryo temperature, shower B reduces to 2 with the shower D on the shower quantity, reduce cooling strength and prevent to cast the inside crackle that produces of embryo.

Description

Secondary cooling device of continuous casting machine

Technical Field

The utility model belongs to the technical field of steelmaking continuous casting, more specifically say, in particular to secondary cooling device of conticaster.

Background

The continuous casting machine is a device required for continuously casting high-temperature molten steel into a casting blank with a certain size and shape, and in the process of producing the casting blank by the continuous casting machine, only 20 percent of molten steel is solidified in the casting blank in the crystallizer, the surface of the casting blank leaving the crystallizer is directly solidified into an 8-15 mm shell, in order to enable the casting blank to be continuously solidified, secondary cooling is needed, most of the existing secondary cooling devices adopt a water spray nozzle to carry out spraying cooling, under the environment of high temperature and high humidity, the water mist nozzle is easy to rust and deform to cause the loss of the spraying function and the production pause due to the incapability of quick replacement, meanwhile, the two ends of the cast blank extend towards the two ends due to the lack of the limiting and fixing devices just after the cast blank is discharged from the crystallizer, so that the shapes of the two sides of the cast blank are irregular, the width of the final cast blank is wider than that of the original design, and quality problems are caused.

Based on the above, the secondary cooling of conticaster has very big influence to the quality of the last embryo of casting, but current secondary cooling device has inconvenient change after the shower nozzle damages, casts embryo both sides and lacks stop device and cause the great deal of problem of dimensional deviation.

In view of the above, the present invention provides a secondary cooling device for a continuous casting machine, which is improved in view of the conventional structure and defects, and is expected to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a secondary cooling device of conticaster to solve unable quick replacement after current secondary cooling equipment shower nozzle damages, cast embryo both sides lack the problem that stop device caused dimensional deviation.

The purpose and the efficacy of the secondary cooling device of the continuous casting machine of the utility model are achieved by the following concrete technical means:

a secondary cooling device of a continuous casting machine comprises a casting blank, a side plate, a spray cooling device and a limiting block; the side plates are provided with two groups of fixing frames in an aligned mode, the side plates are symmetrically provided with two groups of fixing frames up and down, and the upper ends of the fixing frames are provided with buckles; two groups of support shafts are symmetrically arranged at the upper end and the lower end of the casting blank, and the support shafts are fixedly connected with the side plates; the spray cooling device comprises an upper spray device and a lower spray device, and the spray cooling device is connected with the water inlet pipe through a clamp B; the stopper is hollow structure and counterpoint and is equipped with two sets ofly, and stopper and back shaft laminating, the stopper upper end is equipped with water supply installation, and the stopper intermediate position is equipped with level adjusting device.

Further, go up spray set and include shower A and shower B, shower A leads to pipe fixed connection with shower B, and is equipped with the quantity of shower nozzle on the shower A and be 4, and the quantity that shower B was equipped with the shower nozzle is 2.

Further, lower spray set includes shower C and shower D, and shower C is the same with shower A structure and is counterpointed the setting, and shower D is counterpointed the setting with shower B and is constructed the same, and shower D is twice as far as shower C and the distance of casting the embryo with the vertical distance of casting the embryo.

Further, the water supply device comprises a water tank, a U-shaped rail, a rail groove and a water delivery pipe; the water tank slides and clamps on the inside track groove of U type track, and the water tank passes through raceway fixed connection with the stopper, and the raceway runs through the curb plate.

Further, the horizontal adjusting device comprises a threaded rod, a crank and a U-shaped block; the U-shaped block is fixedly connected with the limiting block, the threaded rod sequentially penetrates through the U-shaped block and the side plate and is fixedly connected with the crank, and a group of nuts are respectively arranged on the threaded rods on the inner side and the outer side of the U-shaped block.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a water inlet pipe and spray cooling device pass through clamp B to be connected, and go up spray set and pass through the setting that clamp A is connected with spray cooling device down, make can dismantle each other between water inlet pipe, go up spray set, the spray cooling device down, when the shower nozzle appears damaging, can open clamp A and clamp B, lift off spray cooling device, change one set of reserve, realize quick change, save time and can not delay production yet, then change the shower nozzle that unloads the bad drop, as reserve; simultaneously spray cooling device can carry out water smoke spray cooling simultaneously to the upper and lower two sides of casting the embryo, can realize the even cooling of casting the embryo, guarantee the quality, the temperature is higher when casting the embryo and just coming out from the crystallizer simultaneously, so be equipped with 4 groups of water spray nozzle on shower A and the shower C, the cooling effect has been strengthened, after the cooling through shower A and shower C, it reduces to cast the embryo temperature, shower B and the shower D on the shower quantity reduce to 2, and the shower nozzle has also increased one time apart from the height of casting the embryo, the cooling strength has been reduced and has been guaranteed to cast the embryo even cooling.

Still through level adjustment device's setting, can rotate the crank according to the width of the embryo of casting of producing to this position of adjusting the stopper, the stopper is inside to be filled with the coolant liquid simultaneously, can cool down the stopper, and the water tank passes through water piping connection with the stopper simultaneously, can supply the coolant liquid of stopper inside.

Drawings

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

Fig. 2 is a schematic structural view of the spray cooling device of the present invention.

Fig. 3 is a schematic structural view of the upper cooling device of the present invention.

Fig. 4 is a schematic view of the fixing structure of the shower pipe B of the present invention.

Fig. 5 is a schematic structural view of the horizontal adjustment device of the present invention.

Fig. 6 is an enlarged schematic view of a portion a of fig. 5 according to the present invention.

Fig. 7 is a schematic structural view of the water supply device of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. casting a blank; 2. a side plate; 201. a support shaft; 202. a fixed mount; 203. buckling; 3. a water inlet pipe; 4. a spray cooling device; 401. an upper spraying device; 4011. a spray pipe A; 4012. a spray pipe B; 402. a lower spraying device; 4021. a spray pipe C; 4022. a spray pipe D; 5. a clamp A; 6. a clamp B; 7. a water supply device; 701. a water tank; 702. a U-shaped track; 703. a track groove; 704. a water delivery pipe; 8. a leveling device; 801. a threaded rod; 802. a crank; 803. a U-shaped block; 9. and a limiting block.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 7:

the utility model provides a secondary cooling device of a continuous casting machine, which comprises a casting blank 1, a side plate 2, a spray cooling device 4 and a limiting block 9; two groups of side plates 2 are arranged in an aligned mode, two groups of fixing frames 202 are symmetrically arranged on the upper portion and the lower portion of each side plate 2, and buckles 203 are arranged at the upper ends of the fixing frames 202; two groups of supporting shafts 201 are symmetrically arranged at the upper end and the lower end of the casting blank 1, and the supporting shafts 201 are fixedly connected with the side plates 2; the spray cooling device 4 comprises an upper spray device 401 and a lower spray device 402, and the spray cooling device 4 is connected with the water inlet pipe 3 through a hoop B6; stopper 9 is hollow structure and counterpoint and is equipped with two sets ofly, and stopper 9 and the laminating of back shaft 201, and stopper 9 upper end is equipped with water supply installation 7, and the stopper 9 intermediate position is equipped with horizontal adjusting device 8.

Wherein, it includes shower A4011 to go up spray set 401, shower B4012, shower A4011 leads to water pipe fixed connection with shower B4012, and the quantity that is equipped with the shower nozzle on shower A4011 is 4, shower B4012 is equipped with the quantity of shower nozzle and is 2, it just comes out from the crystallizer to cast embryo 1 this moment, the temperature is higher, shower A4011 is equipped with 4 shower nozzles, can increase the cooling effect, it is after shower A4011's cooling to cast embryo 1, the temperature has reduced, shower B4012 shower nozzle quantity is less half, can reduce and cast 1 inside thermal stress of embryo, prevent to produce inside crackle.

Wherein, spray set 402 includes shower C4021 down, shower D4022, shower C4021 is the same and counterpoint the setting with shower A4011 structure, shower D4022 is counterpointed the setting with shower B4012 and is constructed the same, shower D4022 is twice for shower C4021 and cast embryo 1 distance with the vertical distance of casting embryo 1, it all is equipped with the shower nozzle that the quantity is the same about casting embryo 1 and sprays the cooling to casting embryo 1, two-way spraying has guaranteed the refrigerated homogeneity of casting embryo 1, can improve the quality of casting embryo 1.

Wherein, the water supply device 7 comprises a water tank 701, a U-shaped rail 702, a rail groove 703 and a water delivery pipe 704; the water tank 701 slides and clamps on the track groove 703 inside the U-shaped track 702, the water tank 701 is fixedly connected with the limiting block 9 through the water conveying pipe 704, the water conveying pipe 704 penetrates through the side plate 2, the limiting block 9 is filled with cooling liquid, the temperature of the limiting block 9 can be reduced by the cooling liquid, the water tank 701 is connected with the limiting block 9 through the water conveying pipe 704, and the cooling liquid inside the limiting block 9 can be supplemented.

Wherein, the horizontal adjusting device 8 comprises a threaded rod 801, a crank 802 and a U-shaped block 803; u type piece 803 and stopper 9 fixed connection, threaded rod 801 run through U type piece 803 and curb plate 2 in proper order and with crank 802 fixed connection, and be equipped with a set of nut on the threaded rod 801 of the inside and outside both sides of U type piece 803 respectively, the conticaster is produced at every turn and is cast embryo 1's width difference, can wave crank 802, drives the rotation of threaded rod 801 for stopper 9 can remove about, can adjust the width of casting embryo 1 according to the demand of production.

The specific use mode and function of the embodiment are as follows:

the utility model discloses go up spray set 401 and spray set 402 counterpoint setting down, spray simultaneously to casting embryo 1 and cool off, two-way spraying has guaranteed to cast 1 refrigerated homogeneity of embryo, it is higher just to cast embryo 1 when coming out from the crystallizer the temperature, so be equipped with 4 groups of water spray nozzle on shower A4011 and shower C4021, the cooling effect has been strengthened, after the cooling through shower A4011 and shower C4021, cast embryo 1 temperature reduces, shower B4012 reduces to 2 with the shower D4022 on the shower nozzle quantity, and the shower nozzle has also increased one time apart from the height of casting embryo 1, the cooling strength has been reduced, can prevent to cast 1 inside crackle, the quality of casting embryo 1 has been improved;

the water inlet pipe 3 is connected with the spray cooling device 4 through a clamp B6, and the upper spray device 401 and the lower spray device 402 are connected through a clamp A5, so that the water inlet pipe 3, the upper spray device 401 and the lower spray device 402 can be detached from each other, when a spray head is blocked or aged and cannot be sprayed, the clamp A5 and the clamp B6 can be opened, the spray cooling device 4 is detached and replaced by a spare set, rapid replacement is realized, time is saved, production cannot be delayed, and then the detached broken spray head is replaced for standby, recycling and cost is saved;

still through the setting of horizontal adjusting device 8, can rotate crank 802 according to the width of the casting blank 1 of producing to this position of adjusting stopper 9, 9 insides of stopper have been annotated with the coolant liquid simultaneously, can cool down stopper 9, and water tank 701 passes through raceway 704 with stopper 9 simultaneously and is connected, can supply the coolant liquid of stopper 9 inside.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (5)

1. The utility model provides a secondary cooling device of conticaster which characterized in that: comprises a casting blank (1), a side plate (2), a spray cooling device (4) and a limiting block (9); two groups of side plates (2) are arranged in an aligned mode, two groups of fixing frames (202) are symmetrically arranged on the upper portion and the lower portion of each side plate (2), and buckles (203) are arranged at the upper ends of the fixing frames (202); two groups of support shafts (201) are symmetrically arranged at the upper end and the lower end of the casting blank (1), and the support shafts (201) are fixedly connected with the side plates (2); the spray cooling device (4) comprises an upper spray device (401) and a lower spray device (402), the spray cooling device (4) is connected with the water inlet pipe (3) through a hoop B (6), and the upper spray device (401) is connected with the lower spray device (402) through a hoop A (5); stopper (9) are hollow structure and counterpoint and are equipped with two sets ofly, and stopper (9) and back shaft (201) laminating, stopper (9) upper end is equipped with water supply installation (7), and stopper (9) intermediate position is equipped with horizontal adjusting device (8).

2. The secondary cooling apparatus of the continuous casting machine according to claim 1, characterized in that: go up spray set (401) including shower A (4011) and shower B (4012), shower A (4011) passes through water pipe fixed connection with shower B (4012), and is equipped with the quantity of shower nozzle on shower A (4011) and is 4, and shower B (4012) are equipped with the quantity of shower nozzle and are 2.

3. The secondary cooling apparatus of the continuous casting machine according to claim 1, characterized in that: lower spray set (402) includes shower C (4021) and shower D (4022), and shower C (4021) is the same and counterpoint the setting with shower A (4011) structure, and shower D (4022) is the same with shower B (4012) counterpoint setting and structure, and shower D (4022) is twice as far away with cast embryo (1) for shower C (4021) with cast embryo's (1) vertical distance.

4. The secondary cooling apparatus of the continuous casting machine according to claim 1, characterized in that: the water supply device (7) comprises a water tank (701), a U-shaped track (702), a track groove (703) and a water conveying pipe (704); the water tank (701) is slidably clamped on a rail groove (703) in the U-shaped rail (702), the water tank (701) is fixedly connected with the limiting block (9) through a water conveying pipe (704), and the water conveying pipe (704) penetrates through the side plate (2).

5. The secondary cooling apparatus of the continuous casting machine according to claim 1, characterized in that: the horizontal adjusting device (8) comprises a threaded rod (801), a crank (802) and a U-shaped block (803); the U-shaped block (803) is fixedly connected with the limiting block (9), the threaded rod (801) sequentially penetrates through the U-shaped block (803) and the side plate (2) and is fixedly connected with the crank (802), and a group of nuts are respectively arranged on the threaded rods (801) on the inner side and the outer side of the U-shaped block (803).

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