CN214078383U

CN214078383U - Smoke dust collecting device for horizontal molten steel tank

Info

Publication number: CN214078383U
Application number: CN202022870813.XU
Authority: CN
Inventors: 刘伟忠; 王坤文; 陈俊
Original assignee: Pangang Group Panzhihua Steel and Vanadium Co Ltd
Current assignee: Pangang Group Panzhihua Steel and Vanadium Co Ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-08-31
Anticipated expiration: 2030-12-01

Abstract

The utility model relates to the field of metal smelting equipment, in particular to a molten steel tank; the utility model aims to solve the technical problem that a better horizontal hot metal bottle smoke and dust entrapment device of smoke discharging effect is provided. Horizontal hot metal ladle smoke and dust entrapment device, including exhaust device, still including collecting cover and fixed stop, it link up along length direction to collect the cover, collect the transversal C font of personally submitting of cover, collect a roof and two curb plates of cover and constitute the hot metal ladle jointly and hold the chamber, set up exhaust device on roof and/or curb plate, exhaust device's air intake and molten steel ladle hold the chamber intercommunication, exhaust device's air outlet and tub intercommunication of discharging fume, fixed stop is the L shape, fixed stop is located the molten steel ladle and holds the chamber, fixed stop's side and topside respectively with the curb plate and the roof sliding fit who collects the cover.

Description

Smoke dust collecting device for horizontal molten steel tank

Technical Field

The utility model relates to a metal smelting equipment field, especially molten steel tank.

Background

In the field of steel making in metallurgical industry, a ladle is adopted to hoist molten steel with the temperature over 1620 ℃ from converter steel making to continuous casting working procedure, when the ladle filled with the molten steel returns from the continuous casting working procedure, the molten steel flowing out of a gas permeable brick hole at the bottom of the ladle needs to be repaired, accumulated steel and slag are removed, so as to ensure the normal reuse of the ladle, the method comprises the steps of firstly enabling the vertical ladle in the hoisting process to lie down, then adopting a coal-oxygen mixed combustion gun to aim at the gas permeable brick hole at the bottom for flame combustion type cleaning, generating a large amount of black smoke dust in the blowing combustion process, mostly overflowing from the mouth of the ladle, having a small amount of smoke dust in the mouth of the gas permeable brick hole at the bottom, generating secondary smoke dust in a factory building in the technical process, arranging an exhaust fan near a repair working position for smoke exhaust in the prior art, having poor smoke exhaust effect, and dispersing a large amount of smoke dust near the repair working position, causing trouble and injury to repair personnel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a better horizontal hot metal bottle smoke and dust entrapment device of smoke discharging effect is provided.

The utility model provides a technical scheme that its technical problem adopted is: horizontal hot metal ladle smoke and dust entrapment device, including exhaust device, still including collecting cover and fixed stop, it link up along length direction to collect the cover, collect the transversal C font of personally submitting of cover, collect a roof and two curb plates of cover and constitute the hot metal ladle jointly and hold the chamber, set up exhaust device on roof and/or curb plate, exhaust device's air intake and molten steel ladle hold the chamber intercommunication, exhaust device's air outlet and tub intercommunication of discharging fume, fixed stop is the L shape, fixed stop is located the molten steel ladle and holds the chamber, fixed stop's side and topside respectively with the curb plate and the roof sliding fit who collects the cover.

Further, the sealing structure is arranged on the side edge and/or the top edge of the fixed baffle.

Further, the sealing structure is a brush or a rubber piece.

Further, the collecting cover further comprises a roller, and the roller is fixedly connected with a side plate of the collecting cover.

Further, the roller is a grooved wheel and also comprises a track, and the roller is in rolling fit with the track.

Further, still include the sunshade, sunshade fixed connection is at the curb plate lower extreme of collecting the cover, and the distance of terminal surface under the sunshade to the curb plate terminal surface is greater than the distance of the axis of gyro wheel to terminal surface under the curb plate.

The utility model has the advantages that: compared with the smoke exhaust mode that only an exhaust fan is arranged near a repair station, the utility model comprises an exhaust device, a collection cover and a fixed baffle plate, wherein the collection cover is communicated along the length direction, the cross section of the collection cover is C-shaped, a top plate and two side plates of the collection cover jointly form a molten steel tank containing cavity, the exhaust device is arranged on the top plate and/or the side plates, an air inlet of the exhaust device is communicated with the molten steel tank containing cavity, an air outlet of the exhaust device is communicated with a smoke exhaust pipe, the fixed baffle plate is L-shaped and is positioned in the molten steel tank containing cavity, the side edge and the top edge of the fixed baffle plate are respectively matched with the side plate and the top plate of the collection cover in a sliding way, when the molten steel tank is repaired, the molten steel tank is firstly hoisted to the fixed baffle plate, the tank opening of the molten steel tank faces the fixed baffle plate, then the collection cover is moved to the molten steel tank, the fixed baffle plate is positioned in the molten steel tank containing cavity, collect the cover and form one end open-ended ladle together with fixed stop and hold the chamber, repair personnel hold the air brick of chamber to ladle bottom at the ladle at the opening part in chamber and repair, a large amount of smoke and dust that the welding produced are blockked then rise by fixed stop earlier, thereby can be collected the cover and block the gathering and hold the chamber at the ladle when rising, and the smoke and dust can not be dispersed wantonly, then discharge to outdoor or air purification system with the smoke and dust of gathering through fume extractor, after the welding, will collect the cover and put aside, hang away the ladle can, the utility model discloses simple structure, smoke exhaust effect is better, can protect workshop environment and repair personnel's health.

Drawings

FIG. 1 is a schematic structural view of the present invention in a non-operating state;

FIG. 2 is a schematic structural view of the present invention in an operating state;

FIG. 3 is a front view of a collection hood with a shroud;

parts, positions and numbers in the drawings: the device comprises a fixed baffle 1, a sealing structure 101, a molten steel tank 2, a collecting cover 3, an exhaust device 301, a smoke exhaust pipe 302, rollers 303, a shielding plate 304 and the ground 4.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The up, down, left and right orientations shown in fig. 1 are the up, down, left and right orientations of the respective parts.

As shown in fig. 1 and 2, the horizontal molten steel tank smoke dust collecting device comprises an exhaust device 301, a collecting cover 3 and a fixed baffle 1, wherein the collecting cover 3 is communicated along the length direction, the cross section of the collecting cover 3 is in a C shape, a top plate and two side plates of the collecting cover 3 jointly form a molten steel tank accommodating cavity, the exhaust device 301 is arranged on the top plate and/or the side plates, an air inlet of the exhaust device 301 is communicated with the molten steel tank accommodating cavity, an air outlet of the exhaust device 301 is communicated with a smoke exhaust pipe 302, the fixed baffle 1 is in an L shape, the fixed baffle 1 is vertically fixed on the ground 4 in an inverted L shape, the fixed baffle 1 is positioned in the molten steel tank accommodating cavity, and the side edge and the top edge of the fixed baffle 1 are respectively in sliding fit with the side plates and the top plate of the collecting cover 3.

In order to make sealed effectual, reduce the smoke and dust leakage quantity in the clearance between fixed stop 1 and the collection cover 3, the utility model discloses still include seal structure 101, seal structure 101 is soft sealing material such as brush, soft rubber strip, sponge, and seal structure 101 sets up on fixed stop 1's side and/or topside.

In order to make the sealing effect good, the sealing structure 101 is a brush or a rubber member.

In order to facilitate the movement of the collecting cover 3, the collecting cover further comprises a roller 303, and the roller 303 is fixedly connected with a side plate of the collecting cover 3.

In order to facilitate the movement and fixation of the collecting cover 3, the roller 303 is a grooved wheel and further comprises a rail, the roller 303 is in rolling fit with the rail, the collecting cover 3 only needs to move linearly along the rail, and the collecting cover 3 is convenient to move and position.

Leakage quantity is leaked in order to reduce the smoke and dust between curb plate and the ground 4, the utility model discloses still include sunshade 304, sunshade 304 fixed connection is at the curb plate lower extreme of collecting cover 3, and the distance of terminal surface under the sunshade 304 is greater than the axis of gyro wheel 303 to the distance of terminal surface under the curb plate, and most gyro wheel 303 can be covered to sunshade 304, has sheltered from most clearance between curb plate bottom and the ground 4, has reduced the leakage quantity of smoke and dust here.

Claims

1. Horizontal ladle smoke and dust entrapment device, including exhaust device (301), its characterized in that: still including collecting cover (3) and fixed stop (1), it link up along length direction to collect cover (3), collect the transversal C font of personally submitting of cover (3), collect a roof and two curb plates of cover (3) and constitute the molten steel jar jointly and hold the chamber, set up exhaust device (301) on roof and/or curb plate, the air intake and the molten steel jar of exhaust device (301) hold the chamber intercommunication, the air outlet and the tub (302) intercommunication of discharging fume of exhaust device (301), fixed stop (1) are L shape, fixed stop (1) are located the molten steel jar and hold the chamber, the side and the topside of fixed stop (1) respectively with the curb plate and the roof sliding fit of collecting cover (3).

2. The horizontal ladle soot trapping device according to claim 1, wherein: the sealing structure (101) is further included, and the sealing structure (101) is arranged on the side edge and/or the top edge of the fixed baffle plate (1).

3. The horizontal ladle smoke trapping device according to claim 2, wherein: the sealing structure (101) is a brush or a rubber piece.

4. The horizontal ladle smoke dust collecting device as claimed in any one of claims 1 to 3, wherein: the collecting cover is characterized by further comprising a roller (303), wherein the roller (303) is fixedly connected with a side plate of the collecting cover (3).

5. The horizontal ladle smoke trapping device according to claim 4, wherein: the roller (303) is a grooved wheel and also comprises a steel rail, and the roller (303) is in rolling fit with the steel rail.

6. The horizontal ladle smoke trapping device according to claim 4, wherein: the device is characterized by further comprising a shielding plate (304), wherein the shielding plate (304) is fixedly connected to the lower end of the side plate of the collecting cover (3), and the distance from the lower end face of the shielding plate (304) to the lower end face of the side plate is larger than the distance from the axis of the roller (303) to the lower end face of the side plate.