CN220321986U

CN220321986U - Submerged arc furnace

Info

Publication number: CN220321986U
Application number: CN202321802633.5U
Authority: CN
Inventors: 白雪; 罗烨栋; 吴辉; 吴俊平
Original assignee: Heihe Hesheng Silicon Industry Co ltd
Current assignee: Heihe Hesheng Silicon Industry Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-01-09
Anticipated expiration: 2033-07-11

Abstract

The utility model relates to the technical field of submerged arc furnaces, in particular to a submerged arc furnace. It has solved the big problem of protective sheath dismouting degree of difficulty. The furnace body comprises a furnace body, a plurality of lower jackets are uniformly arranged on the outer circumferential direction of the furnace body, two adjacent lower jackets are in adhesive connection, an upper jacket is further sleeved on the outer circumferential direction of the furnace body, the bottom end of the upper jacket is detachably connected with the corresponding lower jacket, an anti-scalding protection pad is arranged at the top opening of the upper jacket, and the anti-scalding protection pad is annularly arranged on the top opening circumferential direction of the furnace body. The utility model can be effectively disassembled and assembled, the electromagnet is powered off, the inserting rod is pulled out, the bonding rough surface and the bonding hook surface are separated, the sheath can be taken down, the sheath is pulled out of the furnace body upwards, the disassembly and the assembly are simple, the maintenance time is shortened, and the normal production is convenient.

Description

Submerged arc furnace

Technical Field

The utility model relates to the technical field of submerged arc furnaces, in particular to a submerged arc furnace.

Background

The water-cooling protective sleeve of the submerged arc furnace is commonly called a water-cooling large sleeve in the industry, is used for being sleeved on an electrode and is arranged on a sleeve structure of the submerged arc furnace, and the submerged arc furnace and the electrode are locally protected and cooled by introducing circulating water into the water-cooling protective sleeve, so that the condition that burning loss is caused due to overhigh local temperatures of the submerged arc furnace and the electrode is avoided.

The existing water-cooling protective sleeve is formed by combining 4 arc-shaped shells into a sleeve structure, wherein each arc-shaped shell is internally provided with a water cavity which is arranged in a serpentine manner, and two sides of the top of the arc-shaped shell are respectively provided with a water inlet and a water outlet; the water-cooling protective sleeve is fixedly arranged with a pressure ring on the submerged arc furnace in a welding mode, and a plurality of arc-shaped shells are also connected in a welding mode.

When in actual use, the high temperature can make the expansion deformation of the water-cooling protective sleeve, so the water-cooling protective sleeve needs to be maintained and replaced frequently, the welding form is unfavorable for disassembly and assembly, and the welding is easy to fix the connection, so the deformation degree is increased, the disassembly and assembly difficulty is high, the maintenance time is long, and the normal production is influenced.

Disclosure of Invention

The utility model provides an ore-smelting furnace, which is characterized in that an electromagnet is effectively disassembled and assembled, the inserted rod is pulled out, the bonding rough surface is separated from the bonding hook surface, the sheath can be taken down, the sheath is pulled out of a furnace body upwards, the disassembly and the assembly are simple, the maintenance time is shortened, and the normal production is facilitated.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a submerged arc furnace, includes the furnace body, the outside circumference of furnace body evenly is equipped with a plurality of sheath down, bonding connection between the sheath down of adjacent two, the outside circumference of furnace body still overlaps to be equipped with the cover, the bottom of going up the cover is connected with the lower sheath dismantlement that corresponds, the top opening part of going up the cover is equipped with prevents scalding the protection pad, prevent scalding the protection pad and be annular arrangement in the top opening circumference of furnace body.

Further, an anti-scalding coating is arranged on the inner side of the lower sheath.

Further, the inner side of the anti-scalding coating is provided with a wear-resistant coating.

Further, two opposite sides of the lower sheath are respectively provided with an adhesive rough surface and an adhesive hook surface, and the adhesive rough surfaces and the adhesive hook surfaces between the adjacent lower sheaths are matched and adhered.

Further, the inner side of the anti-scalding protection pad stretches into the furnace body, and the inner end of the anti-scalding protection pad is positioned in the furnace body.

Further, a supporting block is arranged on the lower sheath, a supporting groove is formed in the top end of the supporting block, a top ring is arranged on the upper sleeve, an inserting rod is arranged in the top ring in a penetrating mode, and the bottom end of the inserting rod extends into the supporting groove.

Further, the bottom of inserted bar is equipped with the iron plate, the bottom surface of holding in the palm the groove is equipped with the electro-magnet, the electro-magnet is in place with the iron plate butt when inserting the bottom of inserted bar into the holding in the palm the groove, the electro-magnet is connected with iron plate magnetism when circular telegram.

The utility model has the beneficial effects that:

the electric magnet is effectively disassembled and assembled, the electromagnet is powered off, the inserting rod is pulled out, the bonding rough surface and the bonding hook surface are separated, the sheath can be taken down, the sheath is pulled out of the furnace body upwards, the disassembly and the assembly are simple, the maintenance time is shortened, and the normal production is convenient.

Drawings

FIG. 1 is a structural cross-sectional view of the present submerged arc furnace;

FIG. 2 is a cross-sectional view of the connection structure of the lower sheath and the upper sheath;

FIG. 3 is a schematic view of the structure of the lower sheath;

FIG. 4 is a structural cross-sectional view of the lower sheath;

reference numerals illustrate:

1. a furnace body; 2. a lower sheath; 21. a support block; 3. sleeving; 4. an anti-scalding protection pad; 5. an anti-scalding coating; 6. a wear-resistant coating; 7. bonding the rough surface; 8. bonding the hook surface; 9. a bracket; 10. a top ring; 11. a rod; 12. iron blocks; 13. an electromagnet.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.

As shown in fig. 1-4, an ore smelting furnace comprises a furnace body 1, wherein a plurality of lower jackets 2 are uniformly arranged on the outer circumference of the furnace body 1, two adjacent lower jackets 2 are in adhesive connection, an upper sleeve 3 is further sleeved on the outer circumference of the furnace body 1, the bottom end of the upper sleeve 3 is detachably connected with the corresponding lower jacket 2, an anti-scalding protection pad 4 is arranged at the top opening of the upper sleeve 3, and the anti-scalding protection pad 4 is annularly arranged on the circumference of the top opening of the furnace body 1.

In this embodiment, an anti-scalding coating 5 is disposed on the inner side of the lower sheath 2.

In this embodiment, the inner side of the anti-scalding coating 5 is provided with a wear-resistant coating 6.

In this embodiment, two opposite sides of the lower sheath 2 are respectively provided with an adhesive surface 7 and an adhesive surface 8, and the adhesive surface 7 between the adjacent lower sheaths 2 is bonded with the adhesive surface 8 in a matching manner.

In this embodiment, the inner side of the anti-scalding protection pad 4 extends into the furnace body 1, and the inner end of the anti-scalding protection pad 4 is located inside the furnace body 1. Through the anti-scalding protection pad 4, the opening end of the furnace body 1 is convenient to touch, and scalding is prevented.

In this embodiment, the lower sheath 2 is provided with a supporting block 21, a supporting groove 9 is provided at the top end of the supporting block 21, the upper sheath 3 is provided with a top ring 10, the top ring 10 is internally provided with an inserting rod 11 in a penetrating manner, and the bottom end of the inserting rod 11 extends into the supporting groove 9.

In this embodiment, the bottom of the insert rod 11 is provided with an iron block 12, the bottom of the bracket 9 is provided with an electromagnet 13, when the bottom of the insert rod 11 is inserted into the bracket 9, the electromagnet 13 is abutted against the iron block 12, and when the electromagnet 13 is electrified, the electromagnet is magnetically connected with the iron block 12.

Working principle: during installation, the lower sheath 2 circumferentially surrounds the outside of the furnace body 1, the upper sheath 3 is sleeved at the top of the outside of the furnace body 1 through the matching bonding of the bonding rough surface 7 and the bonding hook surface 8, when the supporting blocks 21 and the top ring 10 are in one-to-one correspondence, the inserting rods 11 are inserted into the corresponding supporting grooves 9, the electromagnet 13 is electrified, the electromagnet 13 and the iron block 12 are magnetically connected, the upper sheath 3 and the lower sheath 2 are ensured to be stably connected, the stable connection of the lower sheath 2 and the upper sheath 3 is effectively ensured, heat energy is isolated through the anti-scalding coating 5 in the lower sheath 2, heat is prevented from being transferred to the lower sheath 2, the lower sheath 2 is conveniently touched, the wear resistance is conveniently improved through the arranged wear-resisting coating 6, so that the effective disassembly and assembly are realized, the electromagnet 13 is powered off, the inserting rods 11 are pulled out, the bonding rough surface 7 and the bonding hook surface 8 are separated, the lower sheath 2 can be taken down, the sheath is pulled up and the furnace body 1 is simply to be disassembled, the disassembly and the maintenance time is shortened, and the normal production is convenient.

All technical features in the embodiment can be freely combined according to actual needs.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.

The foregoing embodiments are preferred embodiments of the present utility model, and other embodiments are included, without departing from the spirit of the present utility model.

Claims

1. The utility model provides a submerged arc furnace, includes the furnace body, the outside circumference of furnace body evenly is equipped with a plurality of sheath down, bonding connection between the sheath down of adjacent two, its characterized in that, the outside circumference of furnace body still overlaps and is equipped with the cover, the bottom of going up the cover is connected with the lower sheath detachably that corresponds, the open-top department of going up the cover is equipped with prevents scalding the protection pad, prevent scalding the protection pad and be annular arrangement in the open-top circumference of furnace body.

2. The submerged arc furnace of claim 1, wherein the inner side of the lower sheath is provided with an anti-scalding coating.

3. The submerged arc furnace of claim 2, wherein the inside of the burn-proof coating is provided with a wear-resistant coating.

4. The submerged arc furnace of claim 1, wherein the two opposite sides of the lower sheath are respectively provided with a bonding rough surface and a bonding hook surface, and the bonding rough surfaces and the bonding hook surfaces between adjacent lower sheaths are matched and bonded.

5. The submerged arc furnace of claim 1, wherein the inside of the burn-proof pad extends into the furnace body, and the inside end of the burn-proof pad is positioned inside the furnace body.

6. The submerged arc furnace of claim 1, wherein the lower sheath is provided with a supporting block, the top end of the supporting block is provided with a supporting groove, the upper sheath is provided with a top ring, the top ring is internally provided with a inserted link in a penetrating way, and the bottom end of the inserted link extends into the supporting groove.

7. The submerged arc furnace of claim 6, wherein the bottom end of the plunger is provided with an iron block, the bottom surface of the bracket is provided with an electromagnet, the electromagnet is abutted against the iron block when the bottom end of the plunger is inserted into the bracket, and the electromagnet is magnetically connected with the iron block when the electromagnet is electrified.