CN212902715U

CN212902715U - Waste residue cleaning device for submerged arc furnace

Info

Publication number: CN212902715U
Application number: CN202020654184.4U
Authority: CN
Inventors: 杨穗秋
Original assignee: Guangzhou Xinhong Equipment Design Co ltd
Current assignee: Guangzhou Xinhong Equipment Design Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-04-06
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a hot stove in ore deposit is with waste residue cleaning device, including unable adjustment base, boiler body, row's silo, waste residue feed inlet, rotatory screw rod, rotating diaphragm and driven bevel gear, boiler body of unable adjustment base upper end fixedly connected with, just be located boiler body and seted up a row's silo under in the unable adjustment base, the utility model discloses the beneficial effect who reaches is: realized the quick clearance to the slag, through installing the air-blower additional, continuously provide oxygen in for the submerged arc furnace, solid-state ore can fully burn in making the submerged arc furnace, not only reduced the production of slag, can reduce harmful gas's emission moreover, simultaneously through the automatic clearance of rotatory screw to the slag, need the manual work to draw out the slag when effectually having avoided the hot stove in ore deposit clearance slag to and the trouble of the narrow and small inconvenient clearance in submerged arc furnace bottom space, improved work efficiency.

Description

Waste residue cleaning device for submerged arc furnace

Technical Field

The utility model relates to a waste residue cleaning device, in particular to hot stove in ore deposit is with waste residue cleaning device belongs to hot stove safe handling technical field in ore deposit.

Background

The ore-smelting furnace is also called electric arc furnace or resistance electric furnace, and is mainly used for reducing and smelting raw materials of ore, carbonaceous reducing agent and solvent, etc. The production method is mainly used for producing ferroalloys such as ferrosilicon, ferromanganese, ferrochromium, ferrotungsten, silicomanganese and the like, is an important industrial raw material in the metallurgical industry and a chemical raw material such as calcium carbide and the like, and is characterized in that a carbonaceous or magnesium refractory material is used as a furnace lining, and a self-culture electrode is used. The electrode is inserted into the furnace charge to carry out submerged arc operation, the energy and current of the electric arc are utilized to pass through the furnace charge, the energy is generated due to the resistance of the furnace charge to smelt metal, the charging is carried out sequentially, the iron slag is discharged intermittently, and the continuous operation is carried out.

However, the hot stove in ore deposit at present is in the use, because sustained combustion and inside high temperature, lead to the air rarefied, lead to unable abundant burning under the not enough condition of oxygen, not only lead to a large amount of slag to produce, but also can have a lot of harmful gas's emission, produce huge influence to the air circumstance, simultaneously when clearance slag, not only need draw out the clearance with the slag in the special instrument with the hot stove in ore deposit, the narrow and small inconvenient clearance in hot stove bottom space in ore deposit moreover, bring not few trouble for slag cleaning work, and the work efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a hot stove in ore deposit is with waste residue cleaning device.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a waste slag cleaning device for an ore-smelting furnace, which comprises a fixed base, a boiler body, a discharge groove, a waste slag feed inlet, a rotary screw rod, a rotary clapboard and a driven bevel gear, wherein the upper end of the fixed base is fixedly connected with the boiler body, the discharge groove is arranged in the fixed base and under the boiler body, the joint of the boiler body and the discharge groove is fixedly connected with a screen mesh, one side of the boiler body, which is positioned above the screen mesh, is provided with a feed inlet, one side wall of the discharge groove is fixedly connected with a fixed block, the fixed block is internally and fixedly connected with a torsional spring, the torsional spring is internally and fixedly connected with a fixed rotating shaft through the torsional spring, the two ends of the fixed rotating shaft are fixedly connected with the rotary clapboard, the screw rod shell is fixedly connected with the lower end of the discharge groove in the fixed base, the joint of the upper end, the utility model discloses a screw rod, including screw rod shell, fixed base, connecting shaft, driven bevel gear, screw rod shell internal rotation has a rotatory screw rod, rotatory screw rod is located one end fixedly connected with one of fixed base and connects the pivot, it passes screw rod shell and one end fixedly connected with driven bevel gear to connect the pivot.

As an optimal technical scheme of the utility model, the relief groove cross section is the trapezium structure, the less end of relief groove is connected with the screw rod shell, the great end of relief groove and this body coupling of boiler.

As a preferred technical scheme of the utility model, unable adjustment base is located mount pad of driven bevel gear one side fixedly connected with, a motor of mount pad upper end fixedly connected with, motor output end fixedly connected with one initiative bevel gear, initiative bevel gear and driven bevel gear pass through gear engagement and connect.

As a preferred technical scheme of the utility model, an air intake has been seted up to last just being located the position between rotating diaphragm and the screen cloth of unable adjustment base, an air-blower of fixedly connected with on the air intake.

As an optimized technical scheme of the utility model, the row of discharge tank lower extreme is the same with screw rod shell upper end waste residue feed inlet size.

As a preferred technical scheme of the utility model, connect pivot and a swivel bearing of screw rod shell junction fixedly connected with, connect pivot fixed connection and circle in the swivel bearing, screw rod shell fixed connection circles outside the swivel bearing.

The utility model discloses the beneficial effect who reaches is:

1. the quick clearance to the slag has been realized, through installing the air-blower additional, for continuously providing oxygen in the submerged arc furnace, solid-state ore can the abundant burning in the messenger submerged arc furnace, has not only reduced the production of slag, can reduce harmful gas's emission moreover.

2. Through the automatic clearance of rotatory screw rod to the slag, the slag need the manual work to be drawn out when effectually having avoided the hot stove clearance slag in ore deposit to and the trouble of the narrow and small inconvenient clearance in hot stove bottom space in ore deposit, improved work efficiency.

Drawings

The accompanying drawings 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. In the drawings:

FIG. 1 is a schematic sectional view of the whole structure of the present invention;

fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 of the present invention;

fig. 3 is a schematic view of the connection structure of the rotary bearing of the present invention.

In the figure: 1. a fixed base; 2. a boiler body; 3. screening a screen; 4. a feeding port; 5. a fixed block; 6. a torsion spring; 7. fixing the rotating shaft; 8. rotating the partition plate; 9. a discharge chute; 10. an air inlet; 11. a blower; 12. a screw housing; 13. a waste residue feed inlet; 14. rotating the screw; 15. a driven bevel gear; 16. a mounting seat; 17. a motor; 18. a driving bevel gear; 19. a rotating bearing; 20. is connected with the rotating shaft.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in figures 1-3, the utility model provides a waste slag cleaning device for an ore-smelting furnace, which comprises a fixed base 1, a boiler body 2, a discharge chute 9, a waste slag feed inlet 13, a rotary screw 14, a rotary clapboard 8 and a driven bevel gear 15, wherein the upper end of the fixed base 1 is fixedly connected with the boiler body 2, the fixed base 1 is internally provided with the discharge chute 9 under the boiler body 2, the joint of the boiler body 2 and the discharge chute 9 is fixedly connected with a screen 3, the boiler body 2 is provided with a feed inlet 4 on one side above the screen 3, a side wall of the discharge chute 9 is fixedly connected with a fixed block 5, the fixed block 5 is internally and fixedly connected with a torsion spring 6, the torsion spring 6 is internally and fixedly connected with a fixed rotating shaft 7 through the torsion spring 6, the two ends of the fixed rotating shaft 7 are fixedly connected with the rotary clapboard 8, the lower end of the discharge chute 9 in the fixed base 1 is fixedly, a waste residue feed inlet 13 has been seted up to the position of arranging material groove 9 lower extreme junction in 12 upper ends of screw rod shell, 12 internal rotation of screw rod shell has a rotatory screw rod 14, rotatory screw rod 14 is located connecting pivot 20 of one end fixedly connected with in unable adjustment base 1, connecting pivot 20 passes screw rod shell 12 and driven bevel gear 15 of 1 one end fixedly connected with of unable adjustment base, through the automatic clearance of rotatory screw rod 14 to the slag, the slag need the manual work to draw out when effectually having avoided current hot stove in ore deposit clearance slag, and the trouble of the narrow and small inconvenient clearance in hot stove bottom space in ore deposit, and the work efficiency is improved.

The fixed base 1 is fixedly connected with a mounting seat 16 at one side of a driven bevel gear 15, the upper end of the mounting seat 16 is fixedly connected with a motor 17, the output end of the motor 17 is fixedly connected with a driving bevel gear 18, the driving bevel gear 18 and the driven bevel gear 15 are connected through gear engagement, the motor 17 provides power for the rotation of a rotating screw 14, an air inlet 10 is arranged at the position between a rotating partition plate 8 and a screen 3 on the fixed base 1, an air blower 11 is fixedly connected on the air inlet 10, air is continuously provided for the boiler body 2 through the air blower 11, mineral materials are fully combusted, the cross section of a discharge groove 9 is of a trapezoidal structure, the smaller end of the discharge groove 9 is connected with a screw shell 12, the larger end of the discharge groove 9 is connected with the boiler body 2, the trapezoidal structure with the smaller lower end and the larger end can more conveniently collect slag, and a rotating bearing 19 is fixedly connected at the, connect pivot 20 fixed connection and circle in swivel bearing 19, screw rod shell 12 fixed connection circles on swivel bearing 19 outer lane, and swivel bearing 19 has reduced the frictional force of connecting between pivot 20 and the screw rod shell 12, has avoided the abnormal sound that the friction produced between the two, and the discharge chute 9 lower extreme is the same with screw rod shell 12 upper end waste residue feed inlet 13 size, can make in the whole screw rod shell 12 that enters into of slay.

Specifically, at first, the mineral aggregate is thrown into from the dog-house 4 of boiler body 2 one side, make the mineral aggregate burn on the screen cloth 3 of fixed connection between boiler body 2 and discharging chute 9, then open air-blower 11, make the air constantly enter into the boiler body 2 from air intake 10, provide sufficient oxygen for the burning of mineral aggregate, make the abundant burning of mineral aggregate, after the burning is accomplished, will burn totally mineral aggregate residue through screen cloth 3 mesh fall on the rotatory baffle 8 of fixed connection on fixed rotating shaft 7, when the slag on the rotatory baffle 8 accumulates certain weight, make the rotatory baffle 8 of fixed connection on fixed rotating shaft 7 rotate through fixed rotating shaft 7 under the effect of slag gravity, make the slag drop to the waste residue feed inlet 13 of discharging chute 9 bottom, thereby make the rotatory baffle 8 reply horizontal position under the resilience effort of torsional spring 6, finally, a motor 17 fixedly connected to a mounting seat 16 is started, a driving bevel gear 18 fixedly connected to the output end of the motor 17 is rotated, the driving bevel gear 18 is meshed with a driven bevel gear 15 to drive a connecting rotating shaft 20 fixedly connected to the driven bevel gear 15 and a rotating screw 14 to rotate, and slag falling in a screw shell 12 is discharged out of a boiler room from the screw shell 12 under the rotation of the rotating screw 14, so that the slag is quickly cleaned, oxygen is continuously supplied to the interior of the submerged arc furnace by additionally arranging an air blower 11, solid ore in the submerged arc furnace can be fully combusted, the generation of the slag is reduced, the emission of harmful gas can be reduced, and the trouble that the slag needs to be manually extracted when the submerged arc furnace is cleaned by the rotating screw 14 and the space at the bottom of the submerged arc furnace is inconvenient to clean is effectively avoided, the working efficiency is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. The waste slag cleaning device for the submerged arc furnace is characterized by comprising a fixed base (1), a boiler body (2), a discharge groove (9), a waste slag feed inlet (13), a rotary screw rod (14), a rotary partition plate (8) and a driven bevel gear (15), wherein the upper end of the fixed base (1) is fixedly connected with the boiler body (2), the fixed base (1) is positioned under the boiler body (2) and is provided with the discharge groove (9), the joint of the boiler body (2) and the discharge groove (9) is fixedly connected with a screen (3), one side of the boiler body (2) positioned above the screen (3) is provided with a feed opening (4), one side wall of the discharge groove (9) is fixedly connected with a fixed block (5), the fixed block (5) is internally and fixedly connected with a torsion spring (6), and the torsion spring (6) is internally and fixedly connected with a fixed rotating shaft (7) through the torsion spring (6), rotatory baffle (8) of fixed rotating shaft (7) both ends fixedly connected with, just be located screw rod shell (12) of row material groove (9) lower extreme fixedly connected with in unable adjustment base (1), screw rod shell (12) upper end is located row material groove (9) lower extreme junction and has seted up a waste residue feed inlet (13), screw rod shell (12) internal rotation is connected with a rotatory screw rod (14), rotatory screw rod (14) are located one end fixedly connected with of unable adjustment base (1) and connect pivot (20), connect pivot (20) and pass screw rod shell (12) and one driven bevel gear (15) of unable adjustment base (1) one end fixedly connected with.

2. The waste slag cleaning device for the submerged arc furnace according to the claim 1, characterized in that the fixing base (1) is fixedly connected with a mounting base (16) at one side of the driven bevel gear (15), the upper end of the mounting base (16) is fixedly connected with a motor (17), the output end of the motor (17) is fixedly connected with a driving bevel gear (18), and the driving bevel gear (18) is meshed with the driven bevel gear (15).

3. The slag cleaning device for the submerged arc furnace according to claim 1, characterized in that an air inlet (10) is arranged on the fixed base (1) and between the rotary partition (8) and the screen (3), and an air blower (11) is fixedly connected to the air inlet (10).

4. The slag cleaning device for the submerged arc furnace as claimed in claim 1, characterized in that the cross section of the discharge chute (9) is of a trapezoidal structure, the smaller end of the discharge chute (9) is connected with the screw housing (12), and the larger end of the discharge chute (9) is connected with the boiler body (2).

5. The slag cleaning device for the submerged arc furnace according to claim 1, characterized in that a rotary bearing (19) is fixedly connected to the joint of the connecting rotating shaft (20) and the screw shell (12), the connecting rotating shaft (20) is fixedly connected to the inner ring of the rotary bearing (19), and the screw shell (12) is fixedly connected to the outer ring of the rotary bearing (19).

6. The slag cleaning apparatus for the submerged arc furnace according to claim 1, characterized in that the lower end of the discharge chute (9) is the same size as the slag inlet (13) at the upper end of the screw housing (12).