CN217358032U - Sealing protection device for vacuum induction furnace - Google Patents

Sealing protection device for vacuum induction furnace Download PDF

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Publication number
CN217358032U
CN217358032U CN202220887899.3U CN202220887899U CN217358032U CN 217358032 U CN217358032 U CN 217358032U CN 202220887899 U CN202220887899 U CN 202220887899U CN 217358032 U CN217358032 U CN 217358032U
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furnace
vacuum induction
induction furnace
sealing
cover
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边俊峰
王成
颜子珺
仲慧敏
张杰超
杨俊伟
李旭
马建祎
黄成刚
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Daye Special Steel Co Ltd
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Daye Special Steel Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

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Abstract

The utility model provides a sealing protection device of a vacuum induction furnace, the vacuum induction furnace comprises a furnace body and a furnace cover, the furnace cover covers the furnace body, a sealing ring is arranged on the upper edge of the furnace body, and the furnace body and the furnace cover are compressed and sealed through the sealing ring; and a protection plate is arranged on the inner side of the joint of the furnace body and the furnace cover. The protective plate is arranged on the inner side of the joint between the furnace body and the furnace cover of the vacuum induction furnace, molten steel splashing in the smelting process of a smelting chamber crucible is shielded by the protective plate, the molten steel cannot be sputtered to the position of the sealing ring, the sealing contact surface of the sealing ring is prevented from being ablated, the frequency of replacing the sealing ring is reduced, and the reliability of sealing the furnace cover and the furnace body is ensured. The sealing protection device has the advantages of simple structure, convenience in installation, high safety and reliability and greatly reduced maintenance cost of the sealing ring.

Description

Sealing protection device for vacuum induction furnace
Technical Field
The utility model relates to a vacuum induction furnace seals protection field, in particular to vacuum induction furnace seals protector.
Background
The vacuum induction furnace generally comprises a furnace shell, an induction furnace body, a furnace tilting mechanism, an ingot mold mechanism, a power supply device and a water cooling system. The furnace shell is provided with devices for observation, temperature measurement, feeding, sampling and the like. The furnace is provided with a vacuum system, a power supply system, a control system and the like. The alloy and the special steel are used for smelting alloy and special steel required by aerospace, missile, rocket, nuclear industry and electronic industry in the metallurgical industry, and the requirement on the vacuum degree of the vacuum induction furnace is extremely high. In the vacuum smelting process, because molten steel in the crucible needs to be stirred, the molten steel can splash outwards and splash to the sealing part between the furnace cover and the furnace body, the rubber seal can be easily scalded and the smoothness of the sealing surface of the furnace cover can be damaged, so that the reduction of the smelting vacuum degree cannot meet the smelting requirement, the abnormal consumption of sealing materials is caused, and special steel products are rejected ineligibly. When the steel is cast at the end of smelting, because personnel cannot master the optimal steel casting speed and time, the molten steel can be splashed when the steel is cast too fast, so that the sealing of the cavity is damaged; the cleaning of the steel slag is very difficult and time-consuming, and the replacement of the seal is time-consuming and expensive.
Therefore, a sealing protection device for the vacuum induction furnace is needed to protect the sealing part between the furnace cover and the furnace body.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vacuum induction furnace seals protector, this seals protector can splash the molten steel and carry out effectual protection with the sealing washer among the high temperature dust environment to sealed reliability has been guaranteed.
In order to achieve the above object, the present invention provides the following technical solutions:
a sealing protection device of a vacuum induction furnace comprises a furnace body and a furnace cover, wherein the furnace cover covers the furnace body, a sealing ring is arranged on the upper edge of the furnace body, and the furnace body and the furnace cover are pressed and sealed through the sealing ring; and a protection plate is arranged on the inner side of the joint of the furnace body and the furnace cover.
Further, in the above vacuum induction furnace sealing protection device, the protection plate includes a body, the body is a cylindrical structure with two open ends, and the body is vertically arranged in the vacuum induction furnace.
Further, in the above sealing and protecting device for the vacuum induction furnace, the lower end of the body is located below the upper end of the furnace body, and the height difference between the lower end of the body and the upper end of the furnace body is 1cm-2 cm.
Further, in the sealing and protecting device for the vacuum induction furnace, the upper end of the body is positioned above the lower end of the furnace cover, and the height difference between the upper end of the body and the lower end of the furnace cover is 5cm-10 cm.
Further, in the above vacuum induction furnace sealing protection device, a distance between the body and an inner wall of the vacuum induction furnace in a horizontal direction is 2cm-5 cm.
Further, in the above vacuum induction furnace sealing protection device, the protection plate further comprises an outer edge, the outer edge is a horizontally placed annular body, the inner side of the outer edge is connected with the upper end of the body, and the outer edge of the outer edge is connected with the inner wall of the furnace cover.
Further, in the sealing protection device for the vacuum induction furnace, the outer edge and the furnace cover are connected by welding, and the sealing ring is an embedded V-shaped sealing ring.
Further, in the vacuum induction furnace sealing protection device, the protection plate is made of 310 stainless steel.
Further, in the vacuum induction furnace sealing protection device, the thickness of the protection plate is 6 mm.
Further, in the sealing and protecting device for the vacuum induction furnace, the outer edge and the body are of an integral structure.
The analysis can know, the utility model discloses a sealed protector of vacuum induction furnace, the inboard of this sealed protector in the junction between the furnace body of vacuum induction furnace and the bell is provided with the guard plate, utilizes the guard plate to shelter from the molten steel that splashes of smelting chamber crucible in the smelting process, makes the molten steel can not sputter sealing washer position department, prevents that the sealing contact surface of sealing washer from being ablated the phenomenon, has reduced the frequency of changing the sealing washer, has guaranteed the reliability that bell and furnace body are sealed. The sealing protection device has the advantages of simple structure, convenience in installation, high safety and reliability and greatly reduced maintenance cost of the sealing ring.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:
fig. 1 is a schematic cross-sectional view of an embodiment of the present invention.
Description of reference numerals: 1, smelting chamber crucible; 2, a furnace body; 3, sealing rings; 4, furnace cover; 5, a protection plate; 51 a body; 52 outer edge.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. Each example is provided by way of explanation of the invention and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.
In the description of the present invention, the directions or positional relationships indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. are the directions or positional relationships shown on the basis of the drawings, and are only for convenience of description of the present invention, but not for the purpose of requiring the present invention to be constructed and operated in a specific direction, and therefore, should not be construed as limiting the present invention. The terms "connected", "connected" and "disposed" used in the present invention should be understood in a broad sense, and may be, for example, either fixedly connected or detachably connected; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
One or more examples of the invention are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the invention. As used herein, the terms "first," "second," and "third," etc. may be used interchangeably to distinguish one component from another, and are not intended to denote position or importance of the individual components.
As shown in fig. 1, according to an embodiment of the present invention, a vacuum induction furnace sealing protection device is provided, the vacuum induction furnace includes a melting chamber crucible 1, a furnace body 2 and a furnace cover 4, the melting chamber crucible 1 is disposed in the furnace body 2, the furnace cover 4 covers the furnace body 2, a sealing ring 3 is disposed on the upper edge of the furnace body 2, and the furnace body 2 and the furnace cover 4 are tightly pressed and sealed by the sealing ring 3; a protective plate 5 is arranged on the inner side of the joint of the furnace body 2 and the furnace cover 4. The arrangement of the protection plate 5 can prevent the ablation phenomenon of the sealing contact surface of the sealing ring 3, reduce the frequency of replacing the sealing ring 3 and ensure the sealing reliability of the furnace cover 4 and the furnace body 2.
Further, the protection plate 5 comprises a body 51, the body 51 is a cylindrical structure with two open ends, the body 51 is vertically arranged in the vacuum induction furnace, the lower end of the body 51 is positioned below the upper end of the furnace body 2, namely, the height of the lower end of the body 51 is lower than that of the upper end of the furnace body 2, and the height difference between the lower end of the body 51 and the upper end of the furnace body 2 is 1cm-2 cm. So set up and to utilize guard plate 5 to shelter from the molten steel that splashes of smelting chamber crucible 1 in the smelting process, make the molten steel can not sputter 3 position departments of sealing washer, and the length of guard plate should not be overlength or too short, if the difference in height between the lower extreme of guard plate 5 and the upper end of furnace body 2 is less than 1cm, then can not shelter from the molten steel that splashes, can't play the effect of protection sealing washer 3. And the height difference between the lower end of the protection plate 5 and the upper end of the furnace body 2 is larger than 2cm, so that the protection plate 5 and the furnace body 2 are easy to collide in the opening process of the furnace cover 4, and the protection plate 5 or the furnace body 2 is damaged.
Further, the upper end of the body 51 is positioned above the lower end of the furnace cover 4, that is, the height of the upper end of the body 51 is higher than that of the lower end of the furnace cover 4, and the height difference between the upper end of the body 51 and the lower end of the furnace cover 4 is 5cm-10cm, so that the upper end of the body 51 can be conveniently connected to the furnace cover 4.
Further, the distance between the body 51 and the inner wall of the vacuum induction furnace in the horizontal direction is 2cm-5 cm. So set up and to provide the space for opening of bell 4, prevent to open in-process guard plate 5 and furnace body 2 at bell 4 and bump, and then avoid guard plate 5 and furnace body 2 impaired.
Further, guard plate 5 still includes outer 52, and outer 52 is the torus of horizontal placing along the outer, and the inboard of outer 52 is connected with the upper end of body 51, and outer edge 52's outer fringe is connected with the inner wall of bell 4, so set up and can prevent that the molten steel from splashing to sealing washer 3 position department by the top of guard plate 5, has reduced the frequency of changing sealing washer 3, has guaranteed the reliability that bell 4 and furnace body 2 are sealed.
Further, outer edge 52 and body 51 structure as an organic whole, outer edge 52 and body 51 are bent through the steel sheet and are formed, so set up the bulk strength that can improve protection plate 5, the cost is reduced simultaneously. In an embodiment of the present invention, the outer edge 52 and the furnace cover 4 are connected by welding, and in other embodiments of the present invention, the outer edge 52 and the furnace cover 4 can be connected by other means such as bolts. The sealing ring 3 is an embedded V-shaped sealing ring.
Furthermore, the protection plate 5 is made of 310 stainless steel. The high-temperature oxidation resistance of the 310 stainless steel is excellent, the maximum service temperature is 1200 ℃, and the arrangement can ensure the reliability of the protection plate 5.
Further, the thickness of guard plate 5 is 6mm, so set up the intensity that can guarantee guard plate 5, and thickness is also easily obtained for 6 mm's steel sheet.
The specific implementation method of the sealing protection device comprises the following steps:
step 1, setting the height and width of a protection plate 5 according to the inner circumferential size of a furnace cover 4 of a vacuum induction furnace;
step 2, bending a 310 stainless steel plate with the thickness of 6mm to obtain the shape of the required protection plate 5;
step 3, during the maintenance of the vacuum induction furnace, additionally installing a protection plate 5, and fixedly connecting the outer edge of the outer edge 52 with the inner wall of the furnace cover 4 in a welding or bolt mode and the like;
and 4, testing whether the protection plate 5 has influence on the lifting movement of the furnace cover 4 after the installation.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the utility model provides a vacuum induction furnace seals protector, this seals protector is provided with guard plate 5 at the inboard of the junction between furnace body 2 and the bell 4 of vacuum induction furnace, utilizes guard plate 5 to shelter from the molten steel that splashes of smelting chamber crucible 1 in the smelting process, makes the molten steel can not sputter the position department of sealing washer 3, prevents that the sealed contact surface of sealing washer 3 from being ablated the phenomenon, has reduced the frequency of changing sealing washer 3, has guaranteed the reliability that bell 4 and furnace body 2 are sealed. The sealing protection device has the advantages of simple structure, convenience in installation, high safety and reliability and greatly reduced maintenance cost of the sealing ring 3.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A sealing protection device of a vacuum induction furnace is characterized in that the vacuum induction furnace comprises a furnace body and a furnace cover, the furnace cover covers the furnace body, a sealing ring is arranged on the upper edge of the furnace body, and the furnace body and the furnace cover are pressed and sealed through the sealing ring;
and a protection plate is arranged on the inner side of the joint of the furnace body and the furnace cover.
2. The vacuum induction furnace seal guard of claim 1,
the protection plate comprises a body, the body is of a cylindrical structure with two open ends, and the body is vertically arranged in the vacuum induction furnace.
3. The vacuum induction furnace seal guard of claim 2,
the lower end of the body is positioned below the upper end of the furnace body, and the height difference between the lower end of the body and the upper end of the furnace body is 1cm-2 cm.
4. The vacuum induction furnace seal guard of claim 2,
the upper end of the body is positioned above the lower end of the furnace cover, and the height difference between the upper end of the body and the lower end of the furnace cover is 5cm-10 cm.
5. The vacuum induction furnace seal guard of claim 2,
the distance between the body and the inner wall of the vacuum induction furnace in the horizontal direction is 2cm-5 cm.
6. The vacuum induction furnace seal guard of claim 2,
the guard plate further comprises an outer edge, the outer edge is a circular ring body placed transversely, the inner side of the outer edge is connected with the upper end of the body, and the outer edge of the outer edge is connected with the inner wall of the furnace cover.
7. The vacuum induction furnace seal guard of claim 6,
the outer edge is connected with the furnace cover through welding, and the sealing ring is an embedded V-shaped sealing ring.
8. The vacuum induction furnace seal guard of claim 1,
the protection plate is made of 310 stainless steel.
9. The vacuum induction furnace seal guard of claim 1,
the thickness of the protective plate is 6 mm.
10. The vacuum induction furnace seal guard of claim 6,
the outer edge and the body are of an integral structure.
CN202220887899.3U 2022-04-13 2022-04-13 Sealing protection device for vacuum induction furnace Active CN217358032U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220887899.3U CN217358032U (en) 2022-04-13 2022-04-13 Sealing protection device for vacuum induction furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220887899.3U CN217358032U (en) 2022-04-13 2022-04-13 Sealing protection device for vacuum induction furnace

Publications (1)

Publication Number Publication Date
CN217358032U true CN217358032U (en) 2022-09-02

Family

ID=83054767

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220887899.3U Active CN217358032U (en) 2022-04-13 2022-04-13 Sealing protection device for vacuum induction furnace

Country Status (1)

Country Link
CN (1) CN217358032U (en)

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