CN214327918U

CN214327918U - Furnace cover plate convenient for preheating ingot mold

Info

Publication number: CN214327918U
Application number: CN202120366618.5U
Authority: CN
Inventors: 宁东杰; 梁行方; 李满才
Original assignee: Baotou Pulite New Material Co ltd
Current assignee: Baotou Pulite New Material Co ltd
Priority date: 2021-02-10
Filing date: 2021-02-10
Publication date: 2021-10-01
Anticipated expiration: 2031-02-10

Abstract

The utility model provides a furnace cover plate convenient to preheat ingot mould, including lid, retaining ring, bounding wall and baffle. The furnace cover plate also achieves preheating of the ingot mold while cooling the high-temperature area around the through hole, not only protects the cover body, prolongs the service cycle and the service life of the cover body, but also avoids the phenomenon of mixing with the cold ingot mold by direct casting through utilizing the waste heat, improves the product quality and also saves the energy consumption.

Description

Furnace cover plate convenient for preheating ingot mold

Technical Field

The utility model relates to a tombarthite metallurgical technology field, concretely relates to furnace cover plate convenient to preheat ingot mould.

Background

The rare earth element is a beauty name of 'industrial vitamin', and is widely applied to the fields of petroleum, chemical industry, metallurgy, textile, ceramics, glass, permanent magnet materials and the like. Rare earth elements are similar in properties, are very active metals, are easy to form stable compounds, and can be separated out on a cathode in a molten state in an electrolysis process due to a low melting point, so that the rare earth elements are generally prepared by an electrolysis method.

The electrolytic temperature of the rare earth electrolytic cell is above 1000 ℃, the temperature at the furnace mouth is higher in the use process of the rare earth electrolytic cell, and the central through hole area of the furnace cover plate is easily seriously deformed due to the influence of high temperature for a long time, so that the service life of the furnace cover plate is influenced. Meanwhile, the specific gravity of heat loss at the furnace mouth is high, the heat utilization efficiency is low, and the energy conservation and consumption reduction are not facilitated.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims at providing a furnace cover plate convenient to preheat ingot mould to improve the cooling effect to furnace cover plate central zone.

In order to achieve the aim, the utility model provides a furnace cover plate convenient for preheating an ingot mold, which comprises a cover body, wherein the cover body is of a hollow structure, and a through hole penetrates through the cover body; the cover body and the check ring surround to form a closed cavity, and the cover body is provided with a first water inlet and a first water outlet which are communicated with the cavity; the surrounding plate is arranged in the cavity, the surrounding plate surrounds the check ring, the surrounding plate, the cover body and the check ring surround to form a cooling channel, and a notch communicated with the cooling channel is formed in the surrounding plate; and the baffle is arranged in the gap and cuts off the cooling channel, the baffle separates the gap to form a second water inlet and a second water outlet, and the first water inlet, the second water inlet, the cooling channel, the second water outlet and the first water outlet are connected to form a passage.

Preferably, the outer wall of the retainer ring is arc-shaped, and the inner wall of the coaming is arc-shaped.

Preferably, the first water inlet and the first water outlet are located on one side plate of the cover body.

Preferably, a first cooling chamber and a second cooling chamber are arranged in the cavity, the first cooling chamber is respectively communicated with the first water inlet and the second water inlet, and the second cooling chamber is respectively communicated with the second water outlet and the first water outlet.

Preferably, a plurality of first flow baffle plates are arranged in the first cooling chamber, the first flow baffle plates are installed in a staggered mode to form a first serpentine channel, and two ends of the first serpentine channel are communicated with the first water inlet and the second water inlet respectively.

Preferably, the first serpentine channel is formed with a first arc-shaped inner wall at a corner thereof.

Preferably, a plurality of second flow blocking plates are arranged in the second cooling chamber, the second flow blocking plates are installed in a staggered mode to form a second serpentine channel, and two ends of the second serpentine channel are respectively communicated with the second water outlet and the first water outlet.

Preferably, a second arc-shaped inner wall is formed at the corner of the second serpentine channel.

Preferably, both side walls of the partition board positioned in the cooling channel are arc-shaped.

Preferably, the cover body is provided with a connecting pipe which is respectively communicated with the first water inlet and the first water outlet.

The utility model has the advantages that:

the utility model discloses a furnace cover plate convenient to preheat ingot mould, at the electrolysis during operation, through for first water inlet input cooling water, the cooling water can flow through second water inlet, cooling channel and second delivery port in proper order to flow out from first delivery port, thereby carry out cooling down fully to the high temperature region around the through-hole, protected the lid, avoided the lid central zone territory because receive the high temperature effect for a long time, and influence the life of lid.

Meanwhile, the cooling channel only cools the high-temperature area around the through hole, and the surface temperature of other areas of the cover body is still higher due to the fact that the cooling channel is not cooled, so that the ingot mold can be fully and effectively preheated by placing the ingot mold on the areas and utilizing waste heat.

The furnace cover plate also achieves preheating of the ingot mold while cooling the high-temperature area around the through hole, not only protects the cover body, prolongs the service cycle and the service life of the cover body, but also avoids the phenomenon of mixing with the cold ingot mold by direct casting through utilizing the waste heat, improves the product quality and also saves the energy consumption.

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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of a furnace cover plate for conveniently preheating an ingot mold according to an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the cover;

FIG. 3 is a schematic view of the structure of the separation gap of the partition plate;

FIG. 4 is a top view of the cover plate preheating ingot mold;

FIG. 5 is a schematic view of the structure of the ingot mold.

Reference numerals:

1-cover body, 11-through hole, 12-cavity, 13-first water inlet, 14-first water outlet, 15-first cooling cavity, 16-second cooling cavity, 17-first serpentine channel, 18-second serpentine channel, 2-retainer ring, 3-shroud plate, 31-second water inlet, 32-second water outlet, 4-cooling channel, 5-baffle plate, 6-first baffle plate, 7-second baffle plate, 8-connecting pipe and 9-ingot mold.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

In the description of the present application, 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," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

Furthermore, the terms "first", "second", etc. 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. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1-5, in an embodiment of the present invention, a furnace cover plate for preheating ingot mold is provided, which includes a cover body 1, a retainer ring 2, a surrounding plate 3 and a partition plate 5.

The cover body 1 is of a square structure, the inside of the cover body 1 is of a hollow structure, a circular through hole 11 penetrates through the center of the cover body 1, a furnace opening is formed in the top of the electrolytic cell body (not shown in the figure), the cover body 1 is installed at the top of the electrolytic cell body, and the through hole 11 is matched with the furnace opening.

The retainer ring 2 is fixed in the through hole 11, the cover body 1 and the retainer ring 2 surround to form a closed cavity 12, and the cover body 1 is provided with a first water inlet 13 and a first water outlet 14 which are communicated with the cavity 12. The bounding wall 3 is fixed in cavity 12, and the bounding wall 3 surrounds retaining ring 2, and bounding wall 3, lid 1 and retaining ring 2 surround and form cooling channel 4, offer the breach with cooling channel 4 intercommunication on the bounding wall 3.

The partition board 5 is installed and fixed in the gap, the partition board 5 partitions the cooling channel 4, the partition board 5 partitions the gap to form a second water inlet 31 and a second water outlet 32, and the first water inlet 13, the second water inlet 31, the cooling channel 4, the second water outlet 32 and the first water outlet 14 are connected to form a passage.

The furnace cover plate convenient for preheating the ingot mold of the embodiment surrounds the retainer ring 2 by designing the enclosing plate 3, and the baffle plate 5 separates the gap to form the second water inlet 31 and the second water outlet 32 while separating the cooling channel 4, so that the length of the cooling channel 4 is fully utilized. During electrolysis, through for first water inlet 13 input cooling water, cooling water can flow through second water inlet 31, cooling channel 4 and second delivery port 32 in proper order to flow out from first delivery port 14, thereby cool off the high temperature region around the through-hole 11 fully, protected lid 1, avoided lid 1 central area because receive the high temperature effect for a long time, and influence the life of lid 1.

Meanwhile, the cooling channel 4 only cools the high-temperature areas around the through hole 11, and the surface temperature of other areas of the cover body 1 is still high due to the fact that the high-temperature areas are not cooled, so that the ingot mold 9 is placed on the areas, the ingot mold 9 can be fully and effectively preheated by utilizing waste heat, the phenomenon that impurities are generated in the cold ingot mold 9 during direct casting is avoided, the product quality is improved, and the energy consumption is saved.

The furnace cover plate cools a high-temperature area around the through hole 11, and simultaneously preheats the ingot mold 9, thereby not only protecting the cover body 1 and prolonging the service life of the cover body 1, but also improving the product quality and saving the energy consumption by utilizing the waste heat.

In one embodiment, in order to increase the flow rate of the cooling water in the cooling channel 4, the outer wall of the retainer ring 2 is arc-shaped, and the inner wall of the enclosing plate 3 is arc-shaped, so that dead corners generated in the cooling channel 4 are avoided, and the cooling water flows slowly or does not flow to form dead water, which affects the cooling effect.

In one embodiment, the first water inlet 13 and the first water outlet 14 are located on one side plate of the cover 1, so that the design of the structure of the cover 1 is optimized.

In one embodiment, a first cooling chamber 15 and a second cooling chamber 16 are disposed within the cavity 12, the first cooling chamber 15 being in communication with the first water inlet 13 and the second water inlet 31, respectively, and the second cooling chamber 16 being in communication with the second water outlet 32 and the first water outlet 14, respectively.

The first cooling chamber 15 and the second cooling chamber 16 are located between the side plate provided with the first water inlet 13 and the first water outlet 14 and the enclosing plate 3, and by designing the first cooling chamber 15 and the second cooling chamber 16, after cooling water is input to the first water inlet 13, the cooling water can sequentially flow through the first cooling chamber 15, the second water inlet 31, the cooling channel 4, the second water outlet 32 and the second cooling chamber 16, and finally flows out from the first water outlet 14. In this way, not only can the high temperature area around through-hole 11 be cooled down, and, can cool down the first cooling cavity 15 and the second cooling cavity 16 near the area, so, the workman will be can stand on this regional lid 1 safely, carries out the casting operation, has improved the safety protection to the workman.

Meanwhile, since other regions of the lid body 1 are not cooled and the surface temperature is still high, the ingot mold 9 can be sufficiently and efficiently preheated by the residual heat by placing the ingot mold 9 on these regions.

Referring to fig. 3 (arrows indicate the flowing direction of the cooling water), in one embodiment, a plurality of first flow blocking plates 6 are disposed in the first cooling chamber 15, the plurality of first flow blocking plates 6 are alternately installed to form a first serpentine channel 17, and two ends of the first serpentine channel 17 are respectively communicated with the first water inlet 13 and the second water inlet 31. By designing the first serpentine channel 17 in the first cooling chamber 15, the path and time of the cooling water passing through the first cooling chamber 15 are prolonged, so that the cooling effect of the cooling water on the area near the first cooling chamber 15 is improved, the cover body 1 in the area is cooled rapidly and effectively, and a relatively comfortable operation area is provided for workers.

In one embodiment, the corners of the first serpentine channel 17 are formed with first curved inner walls. The cooling water can flow along the first arc-shaped inner wall at the corner of the first serpentine channel 17, so that the flow speed of the cooling water at the corner of the first serpentine channel 17 is increased, and the problem that the cooling water flows slowly or does not flow at the corner to form dead water and influence the cooling effect is avoided.

In one embodiment, a plurality of second flow baffles 7 are disposed in the second cooling chamber 16, the plurality of second flow baffles 7 are staggered to form a second serpentine channel 18, two ends of the second serpentine channel 18 are respectively communicated with the second water outlet 32 and the first water outlet 14, and a second curved inner wall is formed at a corner of the second serpentine channel 18.

Similarly, by designing the second serpentine channel 18 in the second cooling chamber 16, the path and time of the cooling water passing through the second cooling chamber 16 are prolonged, so that the cooling effect of the cooling water on the area near the second cooling chamber 16 is improved, the cover body 1 in the area is cooled rapidly and effectively, and the area of the cooling area is increased. The cooling water flows along the second curved inner wall at the corners of the second serpentine channel 18, thereby increasing the flow rate of the cooling water at the corners of the second serpentine channel 18.

In one embodiment, to facilitate the flow of cooling water into and out of the cooling passage 4, both side walls of the partition 5 located in the cooling passage 4 are curved.

In one embodiment, the cover 1 is provided with a connecting pipe 8 respectively connected to the first water inlet 13 and the first water outlet 14, so that the cover 1 can be conveniently connected to an external water source.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

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; although the present invention has been described in detail with reference to the foregoing embodiments, it should 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; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a furnace cover plate convenient to preheat ingot mould which characterized in that: the method comprises the following steps:

the cover body is of a hollow structure, and a through hole penetrates through the cover body;

the cover body and the check ring surround to form a closed cavity, and the cover body is provided with a first water inlet and a first water outlet which are communicated with the cavity;

the surrounding plate is arranged in the cavity, the surrounding plate surrounds the check ring, the surrounding plate, the cover body and the check ring surround to form a cooling channel, and a notch communicated with the cooling channel is formed in the surrounding plate; and

the baffle is arranged in the gap and used for cutting off the cooling channel, the baffle separates the gap to form a second water inlet and a second water outlet, and the first water inlet, the second water inlet, the cooling channel, the second water outlet and the first water outlet are connected to form a passage.

2. The furnace cover plate of claim 1, wherein: the outer wall of the retainer ring is arc-shaped, and the inner wall of the coaming is arc-shaped.

3. The furnace cover plate of claim 1, wherein: the first water inlet and the first water outlet are positioned on one side plate of the cover body.

4. The furnace cover plate according to any one of claims 1 to 3, wherein: a first cooling chamber and a second cooling chamber are arranged in the cavity, the first cooling chamber is communicated with the first water inlet and the second water inlet respectively, and the second cooling chamber is communicated with the second water outlet and the first water outlet respectively.

5. The furnace cover plate of claim 4, wherein: the first cooling cavity is internally provided with a plurality of first flow baffle plates which are installed in a staggered mode to form a first serpentine channel, and two ends of the first serpentine channel are communicated with the first water inlet and the second water inlet respectively.

6. The furnace cover plate of claim 5, wherein: a first arc-shaped inner wall is formed at the corner of the first serpentine channel.

7. The furnace cover plate of claim 4, wherein: and a plurality of second flow blocking plates are arranged in the second cooling chamber and are installed in a staggered mode to form a second serpentine channel, and two ends of the second serpentine channel are communicated with the second water outlet and the first water outlet respectively.

8. The furnace cover plate of claim 7, wherein: and a second arc-shaped inner wall is formed at the corner of the second serpentine channel.

9. The furnace cover plate of claim 4, wherein: the two side walls of the partition plate in the cooling channel are arc-shaped.

10. The furnace cover plate of claim 1, wherein: and the cover body is provided with a connecting pipe which is respectively communicated with the first water inlet and the first water outlet.