CN213763941U

CN213763941U - Novel crystallizer for horizontal continuous cast iron

Info

Publication number: CN213763941U
Application number: CN202022621595.6U
Authority: CN
Inventors: 魏志勇; 付永晟; 李立波
Original assignee: Hebei Henggong Precision Equipment Co ltd
Current assignee: Hebei Henggong Precision Equipment Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-07-23
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a novel crystallizer for horizontal continuous cast iron, which comprises a crystallizer body and a graphite sleeve body, wherein the rear side of the crystallizer body is connected with a flange, the upper side of the crystallizer body is connected with a second water inlet pipe and a second water outlet pipe, the graphite sleeve body is connected with the crystallizer body in a shaft hole matching mode, the left side and the right side of the crystallizer body are provided with a first water inlet pipe and a first water outlet pipe, the upper half part of the inner part of the crystallizer body is provided with a plurality of convex blocks, grooves are reserved among the convex blocks, each convex block is of a hollow structure and is internally provided with a cooling pipe, the cooling pipes in adjacent convex blocks are connected through a U-shaped interface to form a U-shaped pipeline, the U-shaped pipeline is respectively connected with the first water inlet pipe and the first water outlet pipe to form a first cooling loop, the upper half part of the graphite sleeve body is provided with a connecting part, and the grooves are connected with the connecting part in a concave-convex matching mode, the cooling effect of the upper half part can be improved, the phenomenon of leakage is avoided, and the production efficiency is improved.

Description

Novel crystallizer for horizontal continuous cast iron

Technical Field

The utility model relates to a horizontal continuous cast iron production facility technical field specifically is a horizontal continuous cast iron uses novel crystallizer.

Background

The horizontal continuous casting process refers to the continuous casting molding that molten iron is injected into a horizontally placed crystallizer from the horizontal direction under the action of static pressure, the crystallizer is of a water-cooled graphite type structure, the molten iron entering the crystallizer is gradually crystallized under the action of external circulating cooling water, and finally crusts to form a casting blank with a certain thickness, the crystallizer is drawn out by a horizontally arranged traction mechanism, and the casting blank crystallizes and crusts while doing horizontal movement. The mould hole shape structure of the graphite mould in the crystallizer that generally uses in horizontal continuous cast iron is different to draw out the section bar of different cross sectional shapes, often can be because the cooling rate of crystallizer top half and the latter half is inconsistent in the middle of carrying out production, the solidification crystallization of bottom molten iron is very fast, and the solidification crystallization of top half molten iron is slow, when drawing speed is too fast, thereby appears drawing the phenomenon of leaking, influences production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a horizontal continuous cast iron uses novel crystallizer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel crystallizer for horizontal continuous cast iron comprises a crystallizer body and a graphite sleeve body, wherein the rear side of the crystallizer body is connected with a flange, the upper side of the crystallizer body is connected with a second water inlet pipe and a second water outlet pipe, the interior of the crystallizer body is connected with the graphite sleeve body, the graphite sleeve body is tightly connected with the crystallizer body in a shaft hole matching mode, a first water inlet pipe and a first water outlet pipe are arranged on the left side and the right side of the crystallizer body, a plurality of convex blocks are arranged on the upper half part in the crystallizer body, grooves are reserved among the convex blocks, each convex block is of a hollow structure, a cooling pipe is arranged in each convex block, the cooling pipes in adjacent convex blocks are connected through U-shaped interfaces to form a U-shaped pipeline, the U-shaped pipeline is respectively connected with a first water inlet pipe and a first water outlet pipe to form a first cooling loop, the graphite sleeve comprises a graphite sleeve body and is characterized in that the upper half part of the graphite sleeve body is provided with a connecting part, and the groove is connected with the connecting part in a concave-convex matching mode.

Preferably, the joint of the first water inlet pipe and the U-shaped pipeline is of a conical structure.

Preferably, the connecting part is divided into a left connecting part and a right connecting part, and the left connecting part and the right connecting part are both arranged on the upper half part of the graphite sleeve body.

Preferably, the connecting part and the graphite sleeve body are integrally formed, and the length of the connecting part is the same as that of the groove.

Preferably, the first water inlet pipe and the first water outlet pipe are fixedly connected with the U-shaped pipeline in a welding manner to form a first cooling loop, and the first cooling loop is arranged at the upper half part of the crystallizer body.

Preferably, the U-shaped interface is divided into an upper U-shaped interface and a lower U-shaped interface, the upper U-shaped interface is located at the top of the groove, the lower U-shaped interface is located at the bottom of the groove, and the groove above the lower U-shaped interface is in concave-convex fit with the connecting portion.

Preferably, the upper side of the first water inlet pipe is connected with a pressure monitoring device.

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

1. structural changes are made to the upper halves of the crystallizer body and the graphite sleeve body. The U-shaped pipeline is respectively and fixedly connected with the first water inlet pipe and the first water outlet pipe to form a first cooling loop, the cooling effect is good, the cooling speed of the upper half part can be guaranteed, the phenomenon of leakage can not occur under the condition of high and low drawing speed, and therefore the production efficiency is improved.

2. The first inlet tube is of a conical structure with the inside of the joint of the U-shaped pipeline, the water pressure of the first inlet tube can be adjusted through the cooperation of the conical structure and the external valve of the first inlet tube, the water flow speed inside the U-shaped pipeline can be adjusted through the cooperation of the external valve of the first inlet tube and the pressure monitoring device, and therefore the effect of changing the cooling speed is achieved.

3. U type interface divide into U type interface and lower U type interface, goes up the top that U type interface is located the recess, and lower U type interface is located the bottom of recess, and the recess and the unsmooth cooperation of connecting portion of lower U type interface top have effectually guaranteed that graphite sleeve body shifts because of the reason of wearing and tearing appear in long-time the use, the inaccurate problem in cooling position.

Drawings

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

FIG. 2 is a schematic structural view of the crystallizer body of the present invention;

FIG. 3 is a schematic structural view of the graphite sleeve body of the present invention;

FIG. 4 is a schematic view of a U-shaped pipeline of the present invention;

fig. 5 is a schematic cross-sectional structure of the present invention;

in the figure: the method comprises the following steps of 1-a crystallizer body, 2-a graphite sleeve body, 3-a bump, 4-a connecting part, 5-a first water inlet pipe, 6-a flange, 7-a U-shaped pipeline, 8-a first water outlet pipe, 9-a second water inlet pipe, 10-a second water outlet pipe, 11-a U-shaped interface, 12-a groove, 13-an upper U-shaped interface and 14-a lower U-shaped interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a novel crystallizer for horizontal continuous cast iron comprises a crystallizer body 1 and a graphite sleeve body 2.

The left side and the right side of the crystallizer body 1 are provided with a first water inlet pipe 5 and a first water outlet pipe 8, and the upper half part inside the crystallizer body is provided with a plurality of convex blocks 3. Grooves 12 are reserved among the plurality of lugs 3, each lug 3 is of a hollow structure and is internally provided with a cooling pipe, and the cooling pipes in the adjacent lugs 3 are connected through U-shaped interfaces 11 to form U-shaped pipelines 7. The U-shaped pipeline 7 is respectively connected with the first water inlet pipe 5 and the first water outlet pipe 8 to form a first cooling loop. The first cooling loop is formed by structurally changing the upper half part of the crystallizer body 1, so that the cooling effect is good, the cooling speed of the upper half part can be guaranteed, the phenomenon of drawing leakage can be avoided under the condition of high drawing speed, and the production efficiency is improved.

The U-shaped interface 11 is divided into an upper U-shaped interface 13 and a lower U-shaped interface 14. The upper U-shaped interface 13 is positioned at the top of the groove 12, the lower U-shaped interface 14 is positioned at the bottom of the groove 12, and the groove 12 above the lower U-shaped interface 14 is in concave-convex fit with the connecting part 4.

The upper half part of the graphite sleeve body 2 is provided with a connecting part 4, the connecting part 4 is divided into a left part and a right part, and the left part and the right part are both arranged on the upper half part of the graphite sleeve body 2. Meanwhile, the connecting part 4 and the graphite sleeve body 2 are integrally formed, and the length of the connecting part 4 is the same as that of the groove 12. Recess 12 is connected through unsmooth complex mode with connecting portion 4, has guaranteed that graphite sleeve body 2 appears shifting because of the reason of wearing and tearing in the long-time use, the inaccurate problem in cooling position, and when recess 12 was connected with connecting portion 4, connecting portion 4 was impressed to the opposite side by the opening part of recess 12, connects through unsmooth complex mode.

The working principle is as follows: firstly, the graphite sleeve body 2 is pressed into the crystallizer body 1 through pressure equipment, and the connecting part 4 on the upper side of the graphite sleeve body 2 is connected with the groove 12 in a concave-convex matching mode when the graphite sleeve body is pressed into the crystallizer body. The crystallizer body 1 is connected with a liquid outlet of the heat preservation furnace through the matching of a flange 6 and a fastening piece. And finally, connecting the first water inlet pipe 5 and the first water outlet pipe 8 with an external cooling water system to form a first cooling loop. The interior of the joint of the first water inlet pipe 5 and the U-shaped pipeline 7 is of a conical structure. The water pressure of the first water inlet pipe 5 can be adjusted through the matching of the conical structure and a valve externally connected with the first water inlet pipe 5; the first water inlet pipe 5 can be matched with an outside pressure monitoring device to adjust the water flow speed inside the U-shaped pipeline 7, so that the cooling speed is changed. The crystallization solidification speed of the upper half part of the crystallizer is effectively improved through the action of the first cooling loop, so that the drawing speed is accelerated, and the production efficiency is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a horizontal continuous cast iron uses novel crystallizer, includes crystallizer body (1) and graphite cover body (2), crystallizer body (1) rear side is connected with flange (6), and the upside is connected with second inlet tube (9) and second outlet pipe (10), and internally connected has graphite cover body (2), graphite cover body (2) and crystallizer body (1) carry out fastening connection through shaft hole complex mode, its characterized in that: crystallizer body (1) left and right sides is provided with first inlet tube (5) and first outlet pipe (8), and inside the first half is provided with a plurality of lugs (3), reserves recess (12) between a plurality of lugs (3), and every lug (3) are hollow structure and inside and are equipped with the cooling tube, and the cooling tube in adjacent lug (3) passes through U type interface (11) and connects formation U type pipeline (7), U type pipeline (7) are connected with first inlet tube (5), first outlet pipe (8) respectively and are constituteed first cooling circuit, graphite cover body (2) the first half is provided with connecting portion (4), recess (12) are connected through unsmooth complex mode with connecting portion (4).

2. The new crystallizer for horizontal continuous cast iron according to claim 1, characterized in that: the joint of the first water inlet pipe (5) and the U-shaped pipeline (7) is of a conical structure.

3. The new crystallizer for horizontal continuous cast iron according to claim 1, characterized in that: the connecting part (4) is divided into a left part and a right part which are both arranged at the upper half part of the graphite sleeve body (2).

4. The new crystallizer for horizontal continuous cast iron according to claim 1, characterized in that: the connecting part (4) and the graphite sleeve body (2) are integrally formed, and the length of the connecting part (4) is the same as that of the groove (12).

5. The new crystallizer for horizontal continuous cast iron according to claim 1, characterized in that: the first water inlet pipe (5) and the first water outlet pipe (8) are fixedly connected with the U-shaped pipeline (7) in a welding mode to form a first cooling loop, and the first cooling loop is arranged at the upper half part of the crystallizer body (1).

6. The new crystallizer for horizontal continuous cast iron according to claim 1, characterized in that: u type interface (11) divide into U type interface (13) and lower U type interface (14), it is located the top of recess (12) to go up U type interface (13), lower U type interface (14) are located the bottom of recess (12), recess (12) and connecting portion (4) unsmooth cooperation of U type interface (14) top down.

7. The new crystallizer for horizontal continuous cast iron according to claim 1, characterized in that: the upper side of the first water inlet pipe (5) is connected with a pressure monitoring device.