CN220361985U

CN220361985U - Sewer mouth structure

Info

Publication number: CN220361985U
Application number: CN202321990519.XU
Authority: CN
Inventors: 苏传栋; 佟圣民; 刘兆强; 李好忠
Original assignee: Jinan Mcc New Materials Co ltd
Current assignee: Jinan Mcc New Materials Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-01-19
Anticipated expiration: 2033-07-27

Abstract

The utility model belongs to the technical field of ferrous metallurgy, and particularly relates to a water outlet structure, which comprises an iron sleeve and a refractory material part, wherein the refractory material part comprises a core body and a parent body which are detachably connected, the core body is provided with a molten steel inlet and a molten steel channel communicated with the molten steel inlet, the parent body is sleeved outside the core body, the upper end face of the parent body is higher than the upper end face of the core body, a connector is arranged between the core body and the upper end of the parent body, and the connector is detachably connected with the core body and the parent body respectively. The drain port structure of the utility model can be used for disassembling the core body to replace a new core body after use, thereby avoiding scrapping all refractory materials and being beneficial to saving the cost. In addition, the upper end face of the parent body is higher than the upper end face of the core body, so that the molten steel can be prevented from splashing. And the setting of connector can promote overall structure intensity on the one hand, avoids core and parent to split, and on the other hand plays the guard effect, avoids the molten steel to enter into between core and the parent and leads to core and the parent adhesion together unable dismantlement.

Description

Sewer mouth structure

Technical Field

The utility model belongs to the technical field of ferrous metallurgy, and particularly relates to a water outlet structure.

Background

The water outlet is mainly used for controlling the flow rate and the flow velocity of molten steel. It is required to have good resistance to flushing at high temperature, good volume stability at high temperature, and certain autosolubility. In use, the static pressure of molten steel in the ladle is reduced along with the reduction of the molten steel quantity, but the pouring speed is required to be kept similar to that of the initial pouring stage, so that the materials are required to have corresponding melting loss rates so as to ensure the stable flow of the molten steel. If casting plain carbon steel, high aluminum and fused quartz can be selected, and when casting steel with higher manganese content, a water outlet of aluminum carbon, magnesium and the like can be selected.

The water outlet mainly comprises two parts of refractory material and an iron sleeve, wherein a channel is arranged in the middle of the refractory material part to pass through molten steel. In the manufacturing process of the water outlet, a machine compression molding method is generally adopted, in the compression process, the refractory material is generally of a one-step molding structure, and after the refractory material in the form is used, the whole refractory material part is scrapped due to autolysis, so that serious waste of the refractory material is caused.

Disclosure of Invention

The utility model aims to solve the problems and provide a water outlet structure.

In order to achieve the above purpose, the utility model provides a water outlet structure, which comprises an iron sleeve and a refractory material part, wherein the refractory material part comprises a core body and a parent body which are detachably connected, the core body is provided with a molten steel inlet and a molten steel channel communicated with the molten steel inlet, the parent body is sleeved outside the core body, the upper end face of the parent body is higher than the upper end face of the core body, a connector is arranged between the core body and the upper end of the parent body, and the connector is detachably connected with the core body and the parent body respectively.

Preferably, the connector comprises a main body part and a protective groove arranged on the main body part;

the core body is provided with a first installation surface, a second installation surface and a third installation surface which are sequentially connected, and the main body part is provided with a first matching surface, a second matching surface and a third matching surface which are respectively matched with the first installation surface, the second installation surface and the third installation surface.

Preferably, the second mounting surface and the second matching surface are inclined surfaces, a protruding structure is arranged on the second mounting surface, and a limiting groove is arranged on the second matching surface to be matched with the protruding structure.

Preferably, the parent body is provided with a first connecting surface, a second connecting surface, a third connecting surface and a fourth connecting surface which are sequentially connected, and the connecting body is provided with a first contact surface, a second contact surface, a third contact surface and a fourth contact surface which are respectively matched with the first connecting surface, the second connecting surface, the third connecting surface and the fourth connecting surface.

Preferably, the third connecting surface and the third contact surface are inclined surfaces, a second limiting groove is formed in the third connecting surface, and a second protruding structure matched with the second limiting groove is formed in the third contact surface.

Preferably, the lower ends of the first connecting surface and the first contact surface are flush with the upper end surface of the core body;

the first connecting surface and the first contact surface are inclined surfaces, and the inclination direction is inclined from the upper end of the parent body to the direction of the core body.

Preferably, a diversion inclined plane is arranged at the opening of the protective groove close to one side of the core body.

Preferably, the central axis of the molten steel inlet is not coincident with the central axis of the molten steel channel.

Preferably, the molten steel inlet comprises a water collecting part and a transition part;

the water collecting part is provided with a first stress inclined plane, and the transition part is provided with a second stress inclined plane.

Preferably, the iron sleeve is sleeved outside the parent body, and the iron sleeve is detachably connected with the parent body;

the upper end face of the iron sleeve is lower than the upper end face of the parent body, and the lower end face of the iron sleeve is higher than the lower end face of the parent body.

According to the sewer mouth structure, the refractory material part is arranged into the core body and the matrix which are detachably connected, so that the core body can be detached to replace a new core body after the sewer mouth structure is used, and further, all refractory materials can be prevented from being scrapped, and cost is saved. In addition, the upper end face of the parent body is higher than the upper end face of the core body, so that the molten steel splashing can be avoided. And the setting of connector can promote overall structure intensity on the one hand, avoids core and parent to split, and on the other hand plays the guard effect, avoids the molten steel to enter into between core and the parent and leads to core and the parent adhesion together unable dismantlement.

Drawings

FIG. 1 schematically shows a structure of a nozzle according to an embodiment of the present utility model;

FIG. 2 is a schematic view showing a construction of a structure of a nozzle according to the present utility model without a connecting body installed;

fig. 3 schematically shows a structure of a connector according to an embodiment of the present utility model.

The reference numerals in the drawings represent the following meanings:

1. an iron sleeve; 2. a refractory portion; 3. a core; 4. a parent body; 3a, molten steel inlet; 3b, a molten steel channel; 5. a connecting body; 5a, a main body portion; 5b, a protective groove; 5b1, a diversion inclined plane; 31. a first mounting surface; 32. a second mounting surface; 33. a third mounting surface; 51. a first mating surface; 52. a second mating surface; 53. a third mating surface; 321. a bump structure; 521. a limit groove; 41. a first connection surface; 42. a second connection surface; 43. a third connection surface; 44. a fourth connection surface; 54. a first contact surface; 55. a second contact surface; 56. a third contact surface; 57. a fourth contact surface; 431. the second limit groove; 561. a second bump structure; 6. a water collecting part; 7. a transition section; 8. a first stress ramp; 9. and a second stress ramp.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments will be briefly described below. It is apparent that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

The present utility model will be described in detail below with reference to the drawings and the specific embodiments, which are not described in detail herein, but the embodiments of the present utility model are not limited to the following embodiments.

Referring to fig. 1-3, the present utility model provides a nozzle structure comprising an iron cover 1 and a refractory part 2, wherein the refractory part 2 comprises a core 3 and a matrix 4 which are detachably connected. The core 3 has a molten steel inlet 3a and a molten steel passage 3b provided in the molten steel inlet 3a and communicating with the molten steel inlet 3 a. The upper end face of the parent body 4 is higher than the upper end face of the core body 3, a connector 5 is arranged between the core body 3 and the upper end of the parent body 4, and the connector 5 is detachably connected with the core body 3 and the parent body 4 respectively.

According to the sewer mouth structure, the refractory material part 2 is provided with the core body 3 and the parent body 4 which are detachably connected, so that the core body 3 can be detached to replace a new core body 3 after use, and further, all refractory materials can be prevented from being scrapped, and the cost is saved. In addition, the upper end surface of the parent body 4 is higher than the upper end surface of the core body 3, so that the molten steel splashing can be avoided. And the setting of connector 5 can promote overall structure intensity on the one hand, avoids core 3 and parent 4 to crack, on the other hand, plays the guard effect, avoids the molten steel to enter into between core 3 and the parent 4 and leads to core 3 and the adhesion of parent 4 together can't dismantle.

Referring to fig. 1 to 3, according to an embodiment of the present utility model, the molten steel inlet 3a includes a water collecting portion 6 and a transition portion 7, the water collecting portion 6 is provided with a first stress slope 8, and the transition portion 7 is provided with a second stress slope 9. The first stress inclined plane 8 and the second stress inclined plane 9 are inclined planes, so that stress concentration caused by molten steel flushing can be effectively reduced, and the phenomenon of water outlet breakage is reduced.

According to one embodiment of the present utility model, the central axis of the molten steel inlet 3a of the present utility model is not coincident with the central axis of the molten steel channel 3b. By such arrangement, when molten steel enters the molten steel channel 3b from the molten steel inlet 3a, the generation of vortex can be avoided, and further the defect of slag rolling and the like caused by the generation of vortex of molten steel can be avoided.

As shown in fig. 1, an iron sleeve 1 of the utility model is sleeved outside a parent body 4, and the iron sleeve 1 is detachably connected with the parent body 4. The upper end face of the iron sleeve 1 is lower than the upper end face of the parent body 4, and the lower end face of the iron sleeve 1 is higher than the lower end face of the parent body 4. So set up, on the one hand can avoid the molten steel to enter into between iron cover and the parent 4, on the other hand for the incomplete steel of molten steel is difficult for adhering at the instrument with the iron cover, guarantees that the lower mouth of a river bottom is smooth, and the convenience is closely laminated with both ends equipment.

As shown in fig. 1 to 3, in the present embodiment, the connection body 5 includes a main body portion 5a and a shield groove 5b provided on the main body portion 5 a. The shield bath 5b is used to flow into the shield bath 5b when molten steel splashes.

Specifically, the core 3 is provided with a first mounting surface 31, a second mounting surface 32 and a third mounting surface 33 which are sequentially connected, and the main body portion 5a is provided with a first mating surface 51, a second mating surface 52 and a third mating surface 53 which are mated with the first mounting surface 31, the second mounting surface 32 and the third mounting surface 43, respectively. The body 4 is provided with a first connecting surface 41, a second connecting surface 42, a third connecting surface 43 and a fourth connecting surface 44 which are sequentially connected, and the body part 5a is provided with a first contact surface 54, a second contact surface 55, a third contact surface 56 and a fourth contact surface 57 which are respectively matched with the first connecting surface 41, the second connecting surface 42, the third connecting surface 43 and the fourth connecting surface 44.

By the arrangement, molten steel can be prevented from entering between the core body 3 and the matrix 4, and adhesion between the core body 3 and the matrix 4 is avoided.

According to one embodiment of the present utility model, the second mounting surface 32 and the second mating surface 52 are inclined surfaces, the second mounting surface 32 is provided with a protruding structure 321, and the second mating surface 52 is provided with a limiting groove 521 to be matched with the protruding structure 321. The third connecting surface 43 and the third contact surface 56 are inclined surfaces, the third connecting surface 43 is provided with a second limiting groove 431, and the third contact surface 56 is provided with a second protruding structure 561 which is matched with the second limiting groove 431. So set up, further promote the structural stability of mouth of a river structure down.

According to one embodiment of the utility model, the lower ends of the first connection surface 41 and the first contact surface 54 are flush with the upper end surface of the core 3. The first connecting surface 41 and the first contact surface 54 are inclined surfaces, and the inclination direction is inclined from the upper end surface of the parent body 4 to the direction of the core body 3. So set up, further promote the protective effect, avoid the molten steel to splash outward.

As shown in fig. 1 and 3, a diversion slope 5b1 is arranged at the opening of the side of the protective slot 5b close to the core body 3. So set up, if there is molten steel to splash outward, can make molten steel get into the guard groove 5b through water conservancy diversion inclined plane 5b1 fast, avoid just water to get into between connector 5 and the core 3, cause the adhesion of connector 5 and core 3. After the drain port structure is used, only the core body 3 is replaced, if no molten steel enters the protective groove 5b, the connecting body 5 can be replaced without replacement, if molten steel enters the protective groove 5b, the connecting body 5 can be replaced together with the core body 3, and the connecting body 5 can be replaced periodically after the molten steel amount in the protective groove 5b reaches a certain degree according to requirements.

The above description is only one embodiment of the present utility model and is not intended to limit the present utility model, and various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a lower mouth of a river structure, includes iron cover (1) and refractory material part (2), its characterized in that, refractory material part (2) are including dismantling core (3) and parent (4) of connection, core (3) have molten steel import (3 a) and with molten steel passageway (3 b) that molten steel import (3 a) are linked together, parent (4) cup joint the core (3) outside, parent (4) up end is higher than the up end of core (3), core (3) with be equipped with connector (5) between parent (4) upper end, connector (5) respectively with core (3) parent (4) can dismantle and be connected.

2. A nozzle structure according to claim 1, wherein said connecting body (5) comprises a main body portion (5 a) and a protective groove (5 b) provided on said main body portion (5 a);

the core body (3) is provided with a first installation surface (31), a second installation surface (32) and a third installation surface (33) which are sequentially connected, and the main body part (5 a) is provided with a first matching surface (51), a second matching surface (52) and a third matching surface (53) which are respectively matched with the first installation surface (31), the second installation surface (32) and the third installation surface (33).

3. A sewer nozzle structure according to claim 2, characterized in that the second mounting surface (32) and the second mating surface (52) are inclined surfaces, a protruding structure (321) is arranged on the second mounting surface (32), and a limit groove (521) is arranged on the second mating surface (52) and is matched with the protruding structure (321).

4. A nozzle structure according to claim 3, wherein the parent body (4) is provided with a first connecting surface (41), a second connecting surface (42), a third connecting surface (43) and a fourth connecting surface (44) which are sequentially connected, and the main body portion (5 a) is provided with a first contact surface (54), a second contact surface (55), a third contact surface (56) and a fourth contact surface (57) which are respectively matched with the first connecting surface (41), the second connecting surface (42), the third connecting surface (43) and the fourth connecting surface (44).

5. The drain port structure according to claim 4, wherein the third connecting surface (43) and the third contact surface (56) are inclined surfaces, a second limiting groove (431) is formed on the third connecting surface (43), and a second protrusion structure (561) is formed on the third contact surface (56) and matched with the second limiting groove (431).

6. A nozzle structure according to claim 4 or 5, wherein the lower ends of the first connecting surface (41) and the first contact surface (54) are flush with the upper end face of the core body (3);

the first connecting surface (41) and the first contact surface (54) are inclined surfaces, and the inclined direction is inclined from the upper end of the parent body (4) to the direction of the core body (3).

7. A sewer outlet structure according to claim 2, characterized in that the opening of the side of the protective groove (5 b) close to the core (3) is provided with a diversion slope (5 b 1).

8. A nozzle structure according to claim 1, characterized in that the central axis of the molten steel inlet (3 a) is not coincident with the central axis of the molten steel channel (3 b).

9. A nozzle structure according to claim 8, wherein said molten steel inlet (3 a) comprises a water collecting portion (6) and a transition portion (7);

the water collecting part (6) is provided with a first stress inclined plane (8), and the transition part (7) is provided with a second stress inclined plane (9).

10. The sewer nozzle structure according to claim 1, wherein the iron sleeve (1) is sleeved outside the parent body (4), and the iron sleeve (1) is detachably connected with the parent body (4);

the upper end face of the iron sleeve (1) is lower than the upper end face of the parent body (4), and the lower end face of the iron sleeve (1) is higher than the lower end face of the parent body (4).