CN218296727U

CN218296727U - Furnace top sealing device of electric smelting magnesia ore furnace

Info

Publication number: CN218296727U
Application number: CN202121836275.0U
Authority: CN
Inventors: 刘世利
Original assignee: Houying Group Haicheng Environmental Protection & Refractory Co ltd
Current assignee: Houying Group Haicheng Environmental Protection & Refractory Co ltd
Priority date: 2021-08-08
Filing date: 2021-08-08
Publication date: 2023-01-13
Anticipated expiration: 2031-08-08

Abstract

The utility model belongs to the technical field of electric smelting magnesite production equipment, concretely relates to furnace roof sealing device of electric smelting magnesite ore furnace, which comprises a cover, the upper end fixedly connected with dust collection box of lid, there is the case lid upper end of dust collection box through the screw connection, fixed mounting has the filter screen on the case lid, fixed mounting has the motor on the dust collection box, the output and the dust collection box of motor rotate to be connected, there is the adapter sleeve the output of motor through the screw connection, the one end fixedly connected with dwang of adapter sleeve, the first bevel gear of one end fixedly connected with of dwang, the lateral wall fixedly connected with bracing piece of dust collection box. The utility model discloses a set up the seal cover, the hot stove leakproofness of multiplicable electric smelting magnesia ore deposit through setting up the fan, can inhale the flue gas that produces among the heating process to the dust collecting tank in, through setting up the cylinder, the cylinder is with convenient reinforced of lid jack-up.

Description

Furnace top sealing device of electric smelting magnesia ore furnace

Technical Field

The utility model relates to a fused magnesia production facility technical field specifically is a furnace top sealing device of hot stove in fused magnesia ore deposit.

Background

Most large-crystal fused magnesia is mainly prepared by taking high-quality light-burned magnesia powder as a main raw material, adding the high-quality light-burned magnesia powder into a furnace cylinder of a submerged arc furnace with an open furnace top in a manual feeding mode, and smelting by using three electrodes which are hung or fixed by cross arms. In the production process, with the continuous heating and melting of the raw materials, new light-burned magnesia powder needs to be continuously supplemented into the furnace barrel, and the work is generally subjectively judged by experienced workers and manually added. Because the top of the furnace barrel is of an open structure, hot flue gas can fly out of the furnace barrel with light-burned magnesia powder in the charging process, the flue gas can permeate a workshop, the field operation environment is extremely severe, and the physical health of workers is seriously harmed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a furnace top sealing device of electric smelting magnesia ore furnace has solved the problem that the hot flue gas of heating process can take the light burned magnesia powder to fly out of a stove section of thick bamboo.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a furnace roof sealing device of electric smelting magnesite ore heating furnace, includes the lid, the upper end fixedly connected with dust collection box of lid, there is the case lid upper end of dust collection box through the screw connection, fixed mounting has the filter screen on the case lid, fixed mounting has the motor on the dust collection box, the output and the dust collection box of motor rotate to be connected, there is the adapter sleeve the output of motor through the screw connection, the one end fixedly connected with dwang of adapter sleeve, the first bevel gear of one end fixedly connected with of dwang, the lateral wall fixedly connected with bracing piece of dust collection box, fixed mounting has the fan on the dust collection box, the one end fixedly connected with of dust collection box advances the ash pipe, it is provided with the valve on the ash pipe, advance ash pipe and lid fixed connection, fixedly connected with seal cover on the lid, the inside joint of seal cover has the connection shell, the lower extreme fixedly connected with furnace body of connection shell, the outside fixedly connected with fixed plate of furnace body, the upper end fixedly connected with cylinder of fixed plate has the cylinder, the output fixedly connected with lid of cylinder.

Preferably, one end of the supporting rod is fixedly connected with a bearing, and the inside of the bearing is fixedly connected with a connecting rod.

Preferably, the upper end fixedly connected with scraper blade of connecting rod, the scraper blade contacts with the filter screen.

Preferably, the first bevel gear is engaged with a second bevel gear, and the upper end of the second bevel gear is fixedly connected with a connecting rod.

Preferably, the number of the scrapers is two, and the two scrapers are symmetrically distributed on the connecting rod.

Preferably, the number of the fixed plates is two, and the two fixed plates are symmetrically distributed on the furnace body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a be provided with the seal cover, the hot stove leakproofness of multiplicable electric smelting magnesia ore deposit through being provided with the fan, can inhale the flue gas that produces among the heating process to the dust collecting tank in, through being provided with the cylinder, the accessible cylinder is with lid jack-up, conveniently reinforced.

2. The utility model discloses a be provided with the filter screen, can filter the light burnt magnesia powder in the flue gas in the dust collection box, through being provided with the motor, the motor drives the connecting rod and rotates, and the connecting rod drives the scraper blade and scrapes the filter screen, can effectually prevent that the filter screen from blockking up.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

fig. 2 is a front cross-sectional view of fig. 1 of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention;

fig. 4 is an enlarged view of a portion B in fig. 2 of the present invention.

In the figure: 1. a cover; 2. a dust collection box; 3. a box cover; 4. filtering with a screen; 5. a motor; 51. connecting sleeves; 6. rotating the rod; 7. a first bevel gear; 8. a second bevel gear; 9. a connecting rod; 10. a support bar; 11. a bearing; 12. a squeegee; 13. a fan; 14. an ash inlet pipe; 15. a valve; 16. a sealing sleeve; 17. a connecting shell; 18. a furnace body; 19. a fixing plate; 20. and a cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, a furnace top sealing device of an electric smelting magnesite furnace comprises a cover 1, a dust collection box 2 is fixedly connected to the upper end of the cover 1, a box cover 3 is connected to the upper end of the dust collection box 2 through screws, a filter screen 4 is fixedly mounted on the box cover 3, a motor 5 is fixedly mounted on the dust collection box 2, the output end of the motor 5 is rotatably connected to the dust collection box 2, the output end of the motor 5 is connected to a connecting sleeve 51 through screws, one end of the connecting sleeve 51 is fixedly connected to a rotating rod 6, one end of the rotating rod 6 is fixedly connected to a first bevel gear 7, a supporting rod 10 is fixedly connected to the side wall of the dust collection box 2, a fan 13 is fixedly mounted on the dust collection box 2, one end of the dust collection box 2 is fixedly connected to an ash inlet pipe 14, a valve 15 is arranged on the ash inlet pipe 14 is fixedly connected to the cover 1, a sealing sleeve 16 is fixedly connected to the cover 1, a connecting shell 17 is clamped inside the sealing sleeve 16, the connecting shell 17 is fixedly connected to the lower end of the connecting shell 17, a furnace body 18 is fixedly connected to the outer side of the furnace body fixing plate 19, an air cylinder 20 is fixedly mounted to the upper end of the fixing plate 19, and an output end of the air cylinder 20 is fixedly connected to the cover 1.

Referring to fig. 3, one end of the support rod 10 is fixedly connected with a bearing 11, and the inside of the bearing 11 is fixedly connected with a connecting rod 9 for fixing the connecting rod 9.

Referring to fig. 2, the upper end of the connecting rod 9 is fixedly connected with a scraping plate 12, and the scraping plate 12 contacts with the filter screen 4, so that the scraping plate 12 scrapes the filter screen 4 to prevent the filter screen 4 from being blocked.

Referring to fig. 3, a second bevel gear 8 is engaged with the first bevel gear 7, and a connecting rod 9 is fixedly connected to an upper end of the second bevel gear 8, so that the first bevel gear 7 drives the connecting rod 9 on the second bevel gear 8 to rotate.

Referring to fig. 2, the number of the scrapers 12 is two, and the two scrapers 12 are symmetrically distributed on the connecting rod 9 to prevent the filter screen 4 from being blocked.

Referring to fig. 2, the number of the fixing plates 19 is two, and the two fixing plates 19 are symmetrically distributed on the furnace body 18 and can be used for installing the cylinder 20.

The utility model discloses specific implementation process as follows: when the submerged arc furnace needs to be used, the cylinder 20 is started, the output end of the cylinder 20 drives the cover 1 to move upwards, the filler can be filled into the furnace body 18, the cylinder 20 is controlled to withdraw, the output end of the cylinder 20 drives the sealing sleeve 16 on the cover 1 to move, the sealing sleeve 16 on the cover 1 is clamped with the upper end of the connecting shell 7, the sealing performance of the furnace body 18 can be effectively improved, the fan 13 is started to suck smoke generated in the furnace body 18 into the dust collection box 2 through the dust inlet pipe 14, the smoke is discharged from the filter screen 4 on the box cover 3, light burned magnesium oxide powder in the smoke is filtered in the dust collection box 2 through the filter screen 4, the motor 5 drives the rotating rod 6 on the connecting sleeve 51 to rotate through the starting motor 5, the rotating rod 6 drives the second bevel gear 8 meshed with the first bevel gear 7 to rotate, the second bevel gear 8 drives the connecting rod 9 to rotate, the connecting rod 9 drives the scraper 12 to scrape the filter screen 4, and block the filter screen 4 can be effectively prevented.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a furnace roof sealing device of electric smelting magnesite ore furnace, includes lid (1), its characterized in that: the improved dust collection box is characterized in that the upper end of the cover (1) is fixedly connected with a dust collection box (2), the upper end of the dust collection box (2) is connected with a box cover (3) through a screw, a filter screen (4) is fixedly mounted on the box cover (3), a motor (5) is fixedly mounted on the dust collection box (2), the output end of the motor (5) is rotatably connected with the dust collection box (2), the output end of the motor (5) is connected with a connecting sleeve (51) through a screw, one end of the connecting sleeve (51) is fixedly connected with a rotating rod (6), one end of the rotating rod (6) is fixedly connected with a first bevel gear (7), a side wall of the dust collection box (2) is fixedly connected with a support rod (10), a fan (13) is fixedly mounted on the dust collection box (2), one end of the dust collection box (2) is fixedly connected with a dust inlet pipe (14), a valve (15) is arranged on the dust inlet pipe (14), the dust inlet pipe (14) is fixedly connected with the cover (1), a sealing sleeve (16) is fixedly connected with the cover (1), the inner clamp of the sealing sleeve (16) is clamped with a connecting shell (17), the lower end of the fixing shell (17), a fixing plate (18) is fixedly connected with the outer side of the furnace body (18), and a cylinder (19) is mounted on the fixing plate (19) and a fixing plate (19) is mounted on the fixing plate (19), the output end of the air cylinder (20) is fixedly connected with a cover (1).

2. The furnace top sealing device of the electric smelting magnesite ore heating furnace according to claim 1, characterized in that: one end of the supporting rod (10) is fixedly connected with a bearing (11), and the inside of the bearing (11) is fixedly connected with a connecting rod (9).

3. The furnace top sealing device of the electric smelting magnesite ore heating furnace according to claim 2, characterized in that: the upper end fixedly connected with scraper blade (12) of connecting rod (9), scraper blade (12) and filter screen (4) contact.

4. The furnace top sealing device of the electric smelting magnesite ore heating furnace according to claim 1, characterized in that: a second bevel gear (8) is meshed with the first bevel gear (7), and the upper end of the second bevel gear (8) is fixedly connected with a connecting rod (9).

5. The furnace top sealing device of the electric smelting magnesite ore heating furnace according to claim 3, characterized in that: the number of the scraping plates (12) is two, and the two scraping plates (12) are symmetrically distributed on the connecting rod (9).

6. The furnace top sealing device of the electric smelting magnesite ore heating furnace according to claim 1, characterized in that: the number of the fixing plates (19) is two, and the two fixing plates (19) are symmetrically distributed on the furnace body (18).