CN218380527U

CN218380527U - Novel double-station refining furnace trapping cover

Info

Publication number: CN218380527U
Application number: CN202222476631.3U
Authority: CN
Inventors: 郑重; 王卫; 王剑; 赵洪
Original assignee: Nanjing Dongfangyuan Environmental Technology Co ltd
Current assignee: Nanjing Dongfangyuan Environmental Technology Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-01-24
Anticipated expiration: 2032-09-19

Abstract

The utility model relates to a entrapment covers technical field, discloses a novel duplex position refining furnace entrapment cover, including fixed cover, set up in the removal cover of fixed cover top, set up the rail system of both sides around removing the cover, set up in the dust removal tuber pipe and the switching valve at removal cover tobacco pipe rear, set up in the labyrinth seal who removes cover body side. The utility model discloses to the production and the maintenance characteristics of duplex position refining furnace, adopt fixed cover to add the entrapment pattern that removes the cover, 3 entrapment positions correspond 2 refining furnaces, during the work position, the entrapment cover is only concentrated in the refining furnace top of work position, has solved conventional duplex position refining furnace entrapment cover bulky, and the amount of wind is big, invests in height, and running cost is high and the poor problem of flue gas entrapment effect.

Description

Novel double-station refining furnace trapping cover

Technical Field

The utility model relates to a entrapment cover technical field specifically is a novel duplex position refining furnace entrapment cover.

Background

The refining furnace is a smelting device in the hot working industry, and is a smelting device which is used for finally deoxidizing and alloying molten steel in ferrous metallurgy. According to different smelting purposes, an argon blowing refining furnace, an LF refining furnace and the like are common.

With the progress of the industry, a double-station refining furnace equipped in the metallurgical industry is generally designed into two stations, wherein one station is normally smelted, and the other station is reserved. At present, the dust removal designed for the double-station refining furnace at home usually adopts 2 modes:

1. the furnace cover side suction type has the problems that a large amount of smoke dust overflows when the smelting intensity is high;

2. the arrangement of the furnace top movable cover has the problems that the collecting cover generally covers 2 refining furnace bodies, the cover body is large in size and large in air quantity, energy is saved, and meanwhile, one-time investment is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel duplex position refining furnace entrapment cover to solve the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel duplex position refining furnace entrapment cover, includes fixed cover, sets up in the removal cover of fixed cover top, sets up the rail system of both sides around removing the cover, sets up in the dust removal tuber pipe and the switching valve at removal cover tobacco pipe rear, sets up in the labyrinth seal who removes cover body side.

As a preferred embodiment of the utility model, remove the cover and include that left side removes the cover and right side removes the cover, left side removes the cover and right side removes the cover and sets up side by side, left side removes the cover and right side removes the cover and all includes the cover body, drive arrangement, running gear, flue, the flue sets up cover body top, the flue import with cover body open-top intercommunication, the cover body passes through drive arrangement and running gear and moves on rail system.

As a preferred embodiment of the utility model, the dust removal tuber pipe includes left dust removal tuber pipe, middle dust removal tuber pipe, right dust removal tuber pipe, the switch valve includes that left side switches over valve, middle switch over valve, right side and switches over the valve, respectively with left dust removal tuber pipe, middle dust removal tuber pipe, right dust removal tuber pipe corresponding, left side dust removal tuber pipe import with the tobacco pipe export intercommunication of left side removal cover, middle dust removal tuber pipe import with the tobacco pipe export intercommunication of left side removal cover or right side removal cover, right side dust removal tuber pipe import with right side removal cover tobacco pipe export intercommunication.

As a preferred embodiment of the present invention, the labyrinth seal has a tooth-shaped structure.

As a preferred embodiment of the utility model, the rail system includes back track, preceding track and track beam column, preceding track and back rail mounting are on track beam column, back track set up in cover body rear side bottom, preceding track sets up cover body front side bottom, preceding track and back track horizontal direction are parallel arrangement.

As an optimized embodiment of the utility model, the fixed cover is arranged in a shape like the Chinese character 'kou', and two door bodies are opened on the side bottom surface in the front of the fixed cover.

Compared with the prior art, the utility model provides a novel duplex position refining furnace entrapment cover possesses following beneficial effect:

the utility model discloses to the production and the maintenance characteristics of duplex position refining furnace, adopt fixed cover to add the entrapment pattern that removes the cover, 3 entrapment positions correspond 2 refining furnaces, during the work position, the entrapment cover is only concentrated in the refining furnace top of work position, has solved conventional duplex position refining furnace entrapment cover bulky, and the amount of wind is big, invests in height, and running cost is high and the poor problem of flue gas entrapment effect.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of the novel double-station refining furnace catching hood of the present invention;

FIG. 2 is a top view of the novel double-station refining furnace capturing hood of the present invention;

FIG. 3 is a left side view of a novel double-station refining furnace capture hood of the present invention;

FIG. 4 is the labyrinth seal enlarged view of the novel double-station refining furnace catching cover of the utility model.

In the figure: 1. a rail system; 2. a movable cover; 3. a dust removal air pipe; 4. switching valves; 5. a fixed cover; 6. a smoke pipe; 7. a rear rail; 8. a rail beam column; 9. a cover body; 10. a drive device; 11. a traveling device; 12. a front rail; 13. a left dust removal air duct; 14. a left switching valve; 15. a middle dust removal air pipe; 16. an intermediate switching valve; 17. a right dust removal air duct; 18. a right switching valve; 19. a left moving cover; 20. and a right movable cover.

Detailed Description

In order to better understand the purpose, structure and function of the utility model, the following description is made in detail with reference to the accompanying drawings.

As shown in fig. 1, the utility model provides a technical solution: a novel double-station refining furnace trapping cover comprises a fixed cover 5 arranged on a refining furnace platform, a movable cover 2 arranged above the fixed cover 5, track systems 1 arranged on the front side and the rear side of the movable cover 2, a dust removal air pipe 3 and a switching valve 4 arranged behind a smoke pipe 6 of the movable cover 2, and a labyrinth seal 21 arranged on the side surface of a cover body of the movable cover;

the movable cover comprises a left movable cover 19 and a right movable cover 20, the left movable cover 19 and the right movable cover 20 are arranged side by side, the left movable cover 19 and the right movable cover 20 respectively comprise a cover body 9, a driving device 10, a traveling device 11 and a flue 6, wherein the flue 6 is arranged at the top of the cover body 9, an inlet of the flue 6 is communicated with an opening at the top of the cover body 9, the cover body 9 can move leftwards and rightwards along the track system 1 to be closed under the action of the driving device 10 and the traveling device 11, a closed space is formed with the fixed cover 5, and the closed space after closing only covers the refining furnace at a working position;

in this embodiment, the dust-removing air duct 3 includes a left dust-removing air duct 13, a middle dust-removing air duct 15, and a right dust-removing air duct 17, the switching valve 4 includes a left switching valve 14, a middle switching valve 16, and a right switching valve 18, an inlet of the left dust-removing air duct 13 is communicated with an outlet of a smoke duct of the left moving cover 19, an inlet of the middle dust-removing air duct 15 is communicated with an outlet of a smoke duct of the left moving cover 19 or the right moving cover 20, an inlet of the right dust-removing air duct 17 is communicated with an outlet of a smoke duct of the right moving cover 20, and each outlet of the dust-removing air duct 3 is communicated with the switching valve 4 at a corresponding position;

in this embodiment, the labyrinth seals 21 are arranged on the side surfaces of the cover bodies 9 of the left moving cover 19 and the right moving cover 20, and the two labyrinth seals are designed in a tooth-shaped structure and are mutually matched to prevent excessive cold air from entering the closed cover bodies 9;

in this embodiment, the track system 1 includes a rear track 7, a front track 12 and a track beam column 8, the track beam column 8 is used for installing the front track 12 and the rear track 7, the rear track 7 is disposed at the bottom end of the rear side of the cover 9, the front track 12 is disposed at the bottom end of the front side of the cover 9, the front track 12 and the rear track 7 are arranged in parallel in the horizontal direction, and both sides of the bottom of the cover 9 move on the rear track 7 and the front track 12 through a driving device 10 and a traveling device 11 respectively;

in the embodiment, the fixed cover 5 arranged on the platform of the refining furnace is arranged in a shape like a Chinese character 'kou', and the bottom surface of the front side of the fixed cover is provided with 2 doors which are used as production operation doors of workers of the double-station refining furnace.

The collecting cover has the following working principle:

1. in a normal state, the left moving cover 19 and the right moving cover 20 are placed at both ends;

2. when the refining furnace on the left needs to work, the right movable cover 20 is moved to the left and is in a closed state with the left movable cover 19, at the moment, the smoke tube of the left movable cover 19 corresponds to the left dust removal air duct 13, the smoke tube of the right movable cover 20 corresponds to the middle dust removal air duct 15, the left switching valve 14 and the middle switching valve 16 are opened, and the dust removal system starts to work normally;

3. when the right refining furnace needs to work, the right moving cover 20 is moved to the rightmost side, the electrode of the refining furnace is rotated to the right refining furnace, then the left moving cover 19 is moved to the right side to form a closed state with the right moving cover 20, at the moment, the smoke tube of the right moving cover 20 corresponds to the right dust removal air pipe 17, the smoke tube of the left moving cover 19 corresponds to the middle dust removal air pipe 15, the right switching valve 18 and the middle switching valve 16 are opened, and the dust removal system starts to work normally;

4. when the electrode is replaced, the electrode cross arm is rotated to the refining furnace at the left side and is lowered to the lowest position, and then the left moving cover 19 is moved to the right side to make the maintenance space of the left electrode cross arm;

5. when the water-cooled cable and the electrode cross arm are replaced, the left moving cover 19 and the right moving cover 20 are respectively arranged at two ends, and a space for middle maintenance is reserved.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The utility model provides a novel duplex position refining furnace entrapment cover which characterized in that: the device comprises a fixed cover, a movable cover arranged above the fixed cover, track systems arranged on the front side and the rear side of the movable cover, a dedusting air pipe and a switching valve arranged on the rear side of a smoke pipe of the movable cover, and a labyrinth seal arranged on the side surface of a cover body of the movable cover.

2. The novel double-station refining furnace trapping cover of claim 1, characterized in that: remove the cover and include that left side removes the cover and right side removes the cover, left side removes the cover and right side removes the cover and sets up side by side, left side removes the cover and right side removes the cover and all includes the cover body, drive arrangement, running gear, flue, the flue sets up cover body top, the flue import with cover body open-top intercommunication, the cover body passes through drive arrangement and running gear and removes on rail system.

3. The novel double-station refining furnace trapping cover of claim 2, characterized in that: the dust removal tuber pipe includes left dust removal tuber pipe, middle dust removal tuber pipe, right dust removal tuber pipe, the switching valve includes left side switching valve, middle switching valve, right side switching valve, and it is corresponding with left dust removal tuber pipe, middle dust removal tuber pipe, right dust removal tuber pipe respectively, left side dust removal tuber pipe import with the tobacco pipe export intercommunication of left side removal cover, middle dust removal tuber pipe import with the tobacco pipe export intercommunication of left side removal cover or right side removal cover, right side dust removal tuber pipe import with right side removal cover tobacco pipe export intercommunication.

4. The novel double-station refining furnace trapping cover of claim 3, characterized in that: the labyrinth seal is in a tooth-shaped structure.

5. The novel double-station refining furnace trapping cover of claim 4, characterized in that: the track system includes back track, preceding track and track beam column, preceding track and back track mounting are on track beam column, the back track set up in cover body rear side bottom, preceding track sets up cover body front side bottom, preceding track and back track horizontal direction are parallel arrangement.

6. The novel double-station refining furnace trapping cover of claim 5, characterized in that: the fixed cover is arranged in a shape like a Chinese character 'kou', and two door bodies are arranged on the bottom surface of the side in front of the fixed cover.