CN219219499U

CN219219499U - Tundish prefabricated plate with high-temperature resistance and high strength

Info

Publication number: CN219219499U
Application number: CN202223483859.1U
Authority: CN
Inventors: 黄振兴; 罗先进; 沈明慧
Original assignee: YIXING LONGCHEN FURNACE CHARGE CO Ltd
Current assignee: YIXING LONGCHEN FURNACE CHARGE CO Ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-20
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a tundish prefabricated plate with high-temperature resistance strength, which comprises a preformed hole, wherein the preformed hole is arranged at the upper end of a prefabricated plate main body, a tundish is arranged in the preformed hole, a feed inlet is arranged at the upper end of the tundish, and a water gap is arranged at the lower end of the tundish; the connecting seat, it sets up the both ends of prefabricated plate main part, and connecting seat and prefabricated plate main part set up into integrated structure, the prefabricated plate main part includes basic unit, enhancement layer, temperature resistant layer and shock-proof layer, and the enhancement layer is provided with two, and two enhancement layers set up the both sides at the basic unit, the temperature resistant layer sets up the upper end at the enhancement layer, and the shock-proof layer sets up the lower extreme at the enhancement layer, and this middle package prefabricated plate enhancement layer is provided with two-layer, and the inside major structure of enhancement layer can be spacing each other for middle package prefabricated plate intensity greatly increased, the abrupt slope body and the baffle that set up in the middle package can ensure that the castable better gets into the prefabricated plate, have ensured prefabricated plate result of use.

Description

Tundish prefabricated plate with high-temperature resistance and high strength

Technical Field

The utility model relates to the technical field of prefabricated plates, in particular to a tundish prefabricated plate with high-temperature resistance and high strength.

Background

The prefabricated slab is the floor slab used in early building, i.e. the module or plate used in engineering, and is produced and formed in the prefabricated part in the prefabricated field, and is directly transported to the construction site for installation, so that the prefabricated slab is called as a prefabricated slab, and the tundish is a refractory container used in short-flow steelmaking, and is used for receiving molten steel poured from a ladle at first and distributing the molten steel into each crystallizer through a tundish nozzle. When the prefabricated plate is manufactured, the hollow model is firstly nailed by the wood plate, the hollow part is filled with cement after the reinforcing steel bars are distributed in the hollow part of the model, the wood plate is knocked out after the hollow part is dried, and the rest is the prefabricated plate. The tundish prefabricated plate has the advantages of good heat stability, high-temperature strength, high purity, scouring resistance, simplicity and convenience in use and the like, can adsorb impurities in molten steel, purify the molten steel, and can obviously reduce the superheat degree of the tundish.

The Chinese patent publication No. CN203578758U, the authorized bulletin day is 2014, 05 month and 07, a tundish prefabricated plate comprises an inclined baffle plate and a supporting plate, wherein the supporting plate is horizontally arranged in the middle of the inclined baffle plate; the angle A between the inclined baffle plate and the supporting plate is 150-170 degrees; the thickness of the inclined baffle plate is 40-50mm, the width of the inclined baffle plate is 900-1100mm, and the height of the inclined baffle plate is 300-400mm; the thickness of the supporting plate is 40-50mm, the width is 900-1100mm, and the length is 180-230mm. Compared with the prior art, the device has the characteristics of simple structure, low cost, convenient use and strong practicability, effectively realizes the change of the running track of molten steel in the tundish, optimizes the flow field of the tundish, increases the residence time of the molten steel in the tundish, promotes the floating of inclusions, reduces the number of the inclusions in a casting blank, and achieves the effect of purifying the molten steel.

The inside enhancement layer structure of current middle package prefabricated plate adopts the individual layer structure, and middle package prefabricated plate intensity is not enough can play fine effect when the atress of orientation enhancement layer, and the effect that plays when the another side atress obviously descends, has reduced the result of use of middle package prefabricated plate, can not satisfy the user demand.

Disclosure of Invention

The utility model aims to provide a tundish prefabricated plate with high-temperature resistance, so as to solve the problems that in the prior art, the inner reinforcing layer structure of the existing tundish prefabricated plate adopts a single-layer structure, the strength of the tundish prefabricated plate is insufficient, the strength of the tundish prefabricated plate can play a good role when one surface of the tundish prefabricated plate is stressed, the strength of the tundish prefabricated plate is obviously reduced when the other surface of the tundish prefabricated plate is stressed, the using effect of the tundish prefabricated plate is reduced, and the using requirement cannot be met.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a tundish prefabricated plate with high-temperature resistance strength comprises a prefabricated plate main body and a connecting plate,

the prefabricated plate comprises a prefabricated plate main body, a preformed hole, a pouring box and a water gap, wherein the preformed hole is formed in the upper end of the prefabricated plate main body, the pouring box is arranged in the preformed hole and is connected with the prefabricated plate main body into an integrated structure, the upper end of the pouring box is provided with a feed inlet, the lower end of the pouring box is provided with the water gap, and the water gap is communicated with the prefabricated plate main body;

the connecting seat, it sets up the both ends of prefabricated plate main part, and connecting seat and prefabricated plate main part set up into integrated structure, the prefabricated plate main part includes basic unit, enhancement layer, temperature resistant layer and shockproof layer, and the enhancement layer is provided with two, and two enhancement layers set up the both sides at the basic unit, the temperature resistant layer sets up the upper end at the enhancement layer, and the shockproof layer sets up the lower extreme at the enhancement layer, basic unit, enhancement layer, temperature resistant layer and shockproof layer set up into integrated structure.

Preferably, the enhancement layer includes reinforcing bar, flute frame and castable, and the reinforcing bar misplaces the equidistance setting on the flute frame, castable and reinforcing bar and flute frame are all pour as an organic whole structure.

Preferably, the interior of the tundish is provided with a steep slope body, and the steep slope body and the bottom of the tundish are arranged into an integrated structure.

Preferably, a baffle is arranged on one side above the steep slope body, and the baffle and the top of the tundish are arranged into an integrated structure.

Preferably, the connecting seat is provided with a splicing groove, splicing blocks are arranged on two sides of the connecting plate, the splicing blocks and the connecting plate are arranged into an integrated structure, and the splicing blocks and the splicing groove are correspondingly arranged.

Preferably, the splice block is provided with a through hole, the bottom of splice groove is provided with the screw hole, the top of connecting seat is provided with the locking bolt, and the one end of locking bolt runs through the through hole and extends to the inside of screw hole, locking bolt and splice block swing joint, and locking bolt and connecting seat threaded connection.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the device, the structural strength of the precast slab is increased through the arrangement of the reinforcing layer and the temperature-resistant layer, the reinforcing layer uses the reinforcing steel bars and the corrugated frames as the cross supporting main bodies, and then the precast slab is cast into an integral structure, so that the structural strength of the reinforcing layer is increased, the strength of the precast slab is increased, and the temperature resistance of the precast slab is increased through the temperature-resistant layer;

2. according to the device, through the arrangement of the steep slope body and the baffle plate, the steep slope body can be used for guiding materials injected into the tundish, so that the materials enter the precast slab along the water port, the baffle plate can be used for blocking the materials sputtered in the tundish, and the use effect of the tundish is improved;

3. according to the device, through the arrangement of the splicing blocks, the splicing grooves and the locking bolts, the splicing blocks are inserted in alignment with the splicing grooves, the splicing blocks are connected with the connecting seats, two prefabricated plates can be spliced rapidly, the splicing blocks are connected with the connecting seats through the locking bolts, the limiting effect on the connected splicing blocks can be achieved, and the stability of a splicing structure is ensured.

Drawings

FIG. 1 is a front view block diagram of the present utility model;

FIG. 2 is a main block diagram of a prefabricated panel according to the present utility model;

FIG. 3 is a diagram showing the connection relationship between a tundish and a precast slab main body according to the present utility model;

FIG. 4 is a diagram showing the connection relationship between the connection board and the connection base according to the present utility model;

fig. 5 is a diagram of the reinforcement layer structure of the present utility model.

In the figure: 1. a prefabricated panel main body; 2. a preformed hole; 3. a tundish; 4. a feed inlet; 5. a connecting seat; 6. a connecting plate; 7. splicing blocks; 8. a locking bolt; 9. a splice groove; 10. a threaded hole; 11. a base layer; 12. a reinforcing layer; 13. a temperature resistant layer; 14. a vibration-proof layer; 15. a steep slope body; 16. a baffle; 17. a water gap; 18. a through hole; 19. reinforcing steel bars; 20. a corrugated rack; 21. and (5) casting materials.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-5, an embodiment of the present utility model is provided: a tundish prefabricated plate with high-temperature resistance comprises a prefabricated plate main body 1 and a connecting plate 6,

the preformed hole 2 is arranged at the upper end of the precast slab main body 1, the tundish 3 is arranged in the preformed hole 2, the tundish 3 and the precast slab main body 1 are connected into an integrated structure, the upper end of the tundish 3 is provided with a feed inlet 4, the lower end of the tundish 3 is provided with a water gap 17, and the water gap 17 is communicated with the precast slab main body 1;

the connecting seat 5, it sets up the both ends at prefabricated plate main part 1, and connecting seat 5 sets up as an organic whole structure with prefabricated plate main part 1, prefabricated plate main part 1 includes basic unit 11, enhancement layer 12, temperature resistant layer 13 and shockproof layer 14, enhancement layer 12 is provided with two, and two enhancement layers 12 set up in the both sides of basic unit 11, temperature resistant layer 13 sets up the upper end at enhancement layer 12, and shockproof layer 14 sets up the lower extreme at enhancement layer 12, and basic unit 11, enhancement layer 12, temperature resistant layer 13 and shockproof layer 14 set up as an organic whole structure, enhancement layer 12 has increased the structural strength of prefabricated plate, temperature resistant layer 13 has increased the temperature resistant performance of prefabricated plate, make the tundish prefabricated plate have high temperature resistant intensity high performance.

Referring to fig. 5, the reinforcing layer 12 includes reinforcing bars 19, corrugated frames 20 and casting materials 21, the reinforcing bars 19 are arranged on the corrugated frames 20 at staggered and equidistant positions, the casting materials 21, the reinforcing bars 19 and the corrugated frames 20 are all cast into an integral structure, the reinforcing bars 19 and the corrugated frames 20 are combined to serve as a supporting main body, and the casting is performed into an integral structure, so that the inside of the reinforcing layer 12 plays a role of mutual limiting, and the structural strength of the reinforcing layer 12 is greatly increased.

Referring to fig. 3, a steep slope 15 is disposed in the tundish 3, and the steep slope 15 and the bottom of the tundish 3 are integrally formed, so that the material injected into the tundish 3 can be guided by the steep slope 15, and the material added into the tundish 3 can be buffered, so that the material can flow into the precast slab along the water port 17.

Referring to fig. 3, a baffle 16 is disposed on one side above the steep slope 15, and the baffle 16 and the top of the tundish 3 are integrally formed, so that the material sputtered in the tundish 3 can be blocked by the baffle 16, and the material can flow into the precast slab along the water outlet 17, and can be prevented from being sputtered, thereby improving the use effect of the tundish 3.

Referring to fig. 1 and 4, a splicing groove 9 is formed in the connecting seat 5, splicing blocks 7 are arranged on two sides of the connecting plate 6, the splicing blocks 7 and the connecting plate 6 are integrally formed, the splicing blocks 7 and the splicing groove 9 are correspondingly arranged, and two prefabricated plates can be spliced into a whole by inserting the splicing blocks 7 into the splicing groove 9 in an aligned manner and connecting the splicing blocks 7 and the connecting seat 5.

Referring to fig. 1 and 4, a through hole 18 is provided on the splicing block 7, a threaded hole 10 is provided at the bottom of the splicing groove 9, a locking bolt 8 is provided above the connecting seat 5, one end of the locking bolt 8 penetrates through the through hole 18 and extends to the inside of the threaded hole 10, the locking bolt 8 is movably connected with the splicing block 7, the locking bolt 8 is in threaded connection with the connecting seat 5, the locking bolt 8 penetrates through the through hole 18 and is in threaded connection with the connecting seat 5, the limiting effect on the connected splicing block 7 can be achieved, and the stability of the splicing structure is ensured.

Working principle: when the tundish 3 is used, the preformed hole 2 is arranged in the tundish 3 to be connected with the precast slab main body 1, materials are added into the tundish 3 from the feed inlet 4, the materials in the tundish 3 flow into the precast slab main body 1 along the water inlet 17 under the action of the steep slope body 15, the baffle 16 can play a role in blocking the sputtered materials in the tundish 3, and the use effect of the tundish 3 is ensured; the reinforcing steel bars 19 and the corrugated frames 20 are combined to serve as a supporting main body, and then the reinforced layer 12 is cast into an integral structure, so that the structural strength of the prefabricated plate is greatly increased, the strength of the prefabricated plate is further increased, and the temperature resistance of the prefabricated plate is improved by the temperature resistant layer 13; the splice block 7 is aligned with the splice groove 9 and inserted into the connection seat 5 to be connected, the splice block 7 is fixed by the locking bolt 8, the limiting effect on the connected splice block 7 is achieved, and the stability of the splice structure is ensured.

What is not described in detail in this specification is prior art known to those skilled in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high tundish prefabricated plate of high temperature resistant intensity, includes prefabricated plate main part (1) and connecting plate (6), its characterized in that:

the precast slab comprises a precast slab main body (1), a preformed hole (2), a pouring basket (3) and a pouring basket (3), wherein the preformed hole is arranged at the upper end of the precast slab main body (1), the pouring basket (3) and the precast slab main body (1) are connected into an integral structure, a feeding hole (4) is formed in the upper end of the pouring basket (3), a water gap (17) is formed in the lower end of the pouring basket (3), and the water gap (17) is communicated with the precast slab main body (1);

connecting seat (5), it sets up the both ends of prefabricated plate main part (1), and connecting seat (5) set up as an organic whole structure with prefabricated plate main part (1), prefabricated plate main part (1) are including basic unit (11), enhancement layer (12), resistant warm layer (13) and shock-proof layer (14), and enhancement layer (12) are provided with two, and two enhancement layer (12) set up the both sides at basic unit (11), resistant warm layer (13) set up the upper end at enhancement layer (12), and shock-proof layer (14) set up the lower extreme at enhancement layer (12), basic unit (11), enhancement layer (12), resistant warm layer (13) and shock-proof layer (14) set up as an organic whole structure.

2. The tundish prefabricated panel with high temperature resistance according to claim 1, wherein: the reinforcing layer (12) comprises reinforcing steel bars (19), corrugated frames (20) and castable (21), wherein the reinforcing steel bars (19) are arranged on the corrugated frames (20) at staggered equidistance, and the castable (21), the reinforcing steel bars (19) and the corrugated frames (20) are all poured into an integral structure.

3. The tundish prefabricated panel with high temperature resistance according to claim 1, wherein: the inside of middle package (3) is provided with abrupt slope body (15), and abrupt slope body (15) and the bottom of middle package (3) set up to an organic whole structure.

4. A tundish prefabricated panel of high strength at high temperature according to claim 3, characterized in that: a baffle (16) is arranged on one side above the abrupt slope body (15), and the baffle (16) and the top of the tundish (3) are arranged into an integrated structure.

5. The tundish prefabricated panel with high temperature resistance according to claim 1, wherein: the connecting seat (5) is provided with a splicing groove (9), splicing blocks (7) are arranged on two sides of the connecting plate (6), the splicing blocks (7) and the connecting plate (6) are arranged into an integrated structure, and the splicing blocks (7) and the splicing grooves (9) are correspondingly arranged.

6. The tundish prefabricated panel with high temperature strength according to claim 5, wherein: the novel splicing device is characterized in that a through hole (18) is formed in the splicing block (7), a threaded hole (10) is formed in the bottom of the splicing groove (9), a locking bolt (8) is arranged above the connecting seat (5), one end of the locking bolt (8) penetrates through the through hole (18) and extends to the inside of the threaded hole (10), the locking bolt (8) is movably connected with the splicing block (7), and the locking bolt (8) is in threaded connection with the connecting seat (5).