CN217297909U

CN217297909U - Slag removing device for blast furnace taphole

Info

Publication number: CN217297909U
Application number: CN202220909758.7U
Authority: CN
Inventors: 林运朝; 张立发; 张随山; 李丽红; 刘颖超; 佘雪峰; 李金平; 焦中礼; 陈月光
Original assignee: University of Science and Technology Beijing USTB; Delong Steel Ltd
Current assignee: University of Science and Technology Beijing USTB; Delong Steel Ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-08-26
Anticipated expiration: 2032-04-20

Abstract

A deslagging device for a blast furnace taphole comprises a base plate, a sliding part, a driving part, a remote controller, a PLC and a striking part; the base plate is arranged on the outer wall of the blast furnace and is positioned right above the tap hole, and the central line of the base plate is parallel to the central line of the tap hole of the blast furnace; the sliding part is arranged on the upper end surface of the substrate; the driving portion is provided on the sliding portion, and the striking portion is provided on the driving portion; the sliding part comprises a cylinder and a sliding rail; the slide rail is arranged on the upper end face of the substrate, and the center line of the slide rail is parallel to the center line of the substrate; the shell of the cylinder is arranged at one end of the upper end surface of the substrate close to the blast furnace, and the axial lead of the piston rod of the cylinder is parallel to the central line of the substrate; the signal output end of the remote controller is connected with the signal input end of the PLC; and the signal control end of the air cylinder is connected with the signal output end of the PLC. The utility model provides high slagging-off efficiency has reduced staff's intensity of labour.

Description

Slag removing device for blast furnace taphole

Technical Field

The utility model relates to a slag removing device, in particular to a device which can remove the iron slag accumulated on the two sides of a taphole, belonging to the technical field of blast furnace smelting equipment.

Background

In the daily tapping process of a blast furnace, molten iron is frequently forked and splashed when being sprayed out from a tap hole due to reasons of tap hole moisture, tap hole iron seepage and the like; the bifurcation and splashing of molten iron can cause a large amount of iron slag to be accumulated on two sides of an iron notch, and the iron notch can be blocked along with the increase of the accumulation of the iron slag, thereby causing production accidents; in actual production, workers can use a shovel to shovel off iron slag deposits at two ends of an iron notch, the temperature near the iron notch is extremely high, the working environment of the workers is severe and dangerous, and the manual shoveling efficiency is low; therefore, there is a need for a slag removing apparatus which can efficiently remove the iron slag pile on both sides of the taphole, thereby ensuring smooth tapping work at the taphole.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art, provide a dross removal mechanism for blast furnace taphole, it not only can reduce staff's intensity of labour, can also improve the efficiency of shovel deironing slag heap.

The problem is solved through following technical scheme:

a deslagging device for a blast furnace taphole comprises a base plate, a sliding part, a driving part, a remote controller, a PLC and a striking part; the base plate is arranged on the outer wall of the blast furnace and is positioned right above the tap hole, and the central line of the base plate is parallel to the central line of the tap hole of the blast furnace; the sliding part is arranged on the upper end surface of the substrate; the driving portion is provided on the sliding portion, and the striking portion is provided on the driving portion; the sliding part comprises a cylinder and a sliding rail; the slide rail is arranged on the upper end face of the substrate, and the center line of the slide rail is parallel to the center line of the substrate; the shell of the cylinder is arranged at one end of the upper end surface of the substrate close to the blast furnace, and the axial lead of the piston rod of the cylinder is parallel to the central line of the substrate; the signal output end of the remote controller is connected with the signal input end of the PLC; and the signal control end of the air cylinder is connected with the signal output end of the PLC.

The deslagging device for the blast furnace taphole comprises a driving part, a driving part and a control part, wherein the driving part comprises a sliding seat, a motor, a first connecting plate, a second connecting plate, a rotating shaft and an angle sensor; the lower end face of the sliding seat is provided with a sliding groove, and the sliding rail penetrates through the sliding groove on the lower end face of the sliding seat; the end part of the cylinder piston rod is connected with the side wall of the sliding seat; the motor shell is arranged on the upper end surface of the sliding seat; the first connecting plate and the second connecting plate are arranged oppositely, a strut is connected between the lower end of the first connecting plate and the lower end of the second connecting plate, and two ends of the rotating shaft are respectively in shaft connection with the first connecting plate and the second connecting plate; the first connecting plate is connected with the sliding seat; the lower end faces of the first connecting plate and the second connecting plate are provided with sliding grooves, and sliding rails penetrate through the sliding grooves at the lower ends of the first connecting plate and the second connecting plate; an output shaft of the motor is connected with one end of the rotating shaft; the angle sensor is arranged on the outer wall of the second connecting plate and is connected with one end of the rotating shaft; the signal control end of the motor is connected with the signal output end of the PLC; and the signal output end of the angle sensor is connected with the signal input end of the PLC.

The slag removing device for the blast furnace taphole comprises a striking part, a driving part and a driving part, wherein the striking part comprises a first rotating rod, a second rotating rod and a striking hammer; the upper end of the first rotating rod is connected with the rotating shaft, and the lower end of the first rotating rod is hinged with the upper end of the second rotating rod; the number of the striking hammers is two, and the striking hammers are symmetrically arranged on the side wall of the second rotating rod.

The deslagging device for the blast furnace taphole is additionally provided with a limiting block; the number of the limiting blocks is two, and the limiting blocks are respectively arranged on opposite side walls at the lower end of the first rotating rod.

The utility model discloses a strike the part and will go out the iron slag clean up that piles up of taphole both sides, no longer need the manual work closely to use the shovel to clear up, greatly improved the cleaning efficiency who piles up the iron slag, reduced staff's intensity of labour.

Drawings

FIG. 1 is a schematic view of the structure of the utility model in use;

fig. 2 is a schematic view of the three-dimensional structure of the present invention.

The list of labels in the figure is: 1. the device comprises a base plate, a sliding seat 2, a motor 3, a first connecting plate 4, a second connecting plate 5, an angle sensor 6, a first rotating rod 7, a second rotating rod 8, a striking hammer 9, a limiting block 10 and an air cylinder 11.

Detailed Description

Referring to fig. 1 and 2, the present invention includes a base plate 1, a sliding part, a driving part, a remote controller, a PLC, and a striking part; the base plate 1 is arranged on the outer wall of the blast furnace and is positioned right above the tap hole, and the central line of the base plate 1 is parallel to the central line of the tap hole of the blast furnace; the sliding part is arranged on the upper end face of the substrate 1; the driving portion is provided on the sliding portion, and the striking portion is provided on the driving portion; the sliding part drives the driving part to move along the direction of the central line of the substrate, and the driving part can drive the striking part to clean accumulated slag.

The sliding part comprises a cylinder 11 and a sliding rail; the slide rail is arranged on the upper end face of the substrate 1, and the center line of the slide rail is parallel to the center line of the substrate 1; the shell of the cylinder 11 is arranged at one end of the upper end surface of the substrate 1 close to the blast furnace, and the axial lead of the piston rod of the cylinder 11 is parallel to the central line of the substrate 1; the signal output end of the remote controller is connected with the signal input end of the PLC; and the signal control end of the air cylinder 11 is connected with the signal output end of the PLC.

The driving part comprises a sliding seat 2, a motor 3, a first connecting plate 4, a second connecting plate 5, a rotating shaft and an angle sensor 6; the lower end surface of the sliding seat 2 is provided with a sliding chute, and the sliding rail penetrates through the sliding chute on the lower end surface of the sliding seat 2; the sliding seat 2 slides on the sliding rail; the end part of the piston rod of the cylinder 11 is connected with the side wall of the sliding seat 2; the air cylinder 11 can drive the sliding seat 2 to slide on the sliding rail; the shell of the motor 3 is arranged on the upper end surface of the sliding seat 2; the first connecting plate 4 and the second connecting plate 5 are arranged oppositely, a strut is connected between the lower end of the first connecting plate 4 and the lower end of the second connecting plate 5, and two ends of the rotating shaft are respectively in shaft connection with the first connecting plate 4 and the second connecting plate 5; the rotating shaft can rotate, so that the hitting part is driven to rotate and hit; the first connecting plate 4 is connected with the sliding seat 2; the lower end faces of the first connecting plate 4 and the second connecting plate 5 are both provided with sliding chutes, and sliding rails are arranged in the sliding chutes at the lower ends of the first connecting plate 4 and the second connecting plate 5 in a penetrating manner; an output shaft of the motor 3 is connected with one end of the rotating shaft; the motor 3 can drive the rotating shaft to rotate; the angle sensor 6 is arranged on the outer wall of the second connecting plate 5, and the angle sensor 6 is connected with one end of the rotating shaft; the angle sensor 6 can sense the rotation angle of the rotating shaft in real time, the angle of the first rotating rod 7 when contacting the substrate 1 is specific, the angle of the other side surface of the first rotating rod 7 when contacting the substrate 1 is also specific after the first rotating rod 7 rotates, and the real-time position of the first rotating rod 7 can be known through the change of the angle of the rotating shaft; when the first rotating rod 7 is in contact with the substrate 1, the angle sensor 6 senses that the first rotating rod 7 is at a specific angle, and the motor 3 is controlled to rotate reversely, so that the first rotating rod 7 is turned over until the first rotating rod 7 strikes the substrate 1 again after being turned over, and the operation is repeated, and the striking hammers 9 on the second rotating rod 5 below the first rotating rod 7 strike the accumulated iron slag on the two sides of the iron outlet repeatedly; the signal control end of the motor 3 is connected with the signal output end of the PLC; and the signal output end of the angle sensor 6 is connected with the signal input end of the PLC.

The striking part comprises a first rotating rod 7, a second rotating rod 8 and a striking hammer 9; the upper end of the first rotating rod 7 is connected with the rotating shaft, and the lower end of the first rotating rod 7 is hinged with the upper end of the second rotating rod 8; the rotation of the first rotating rod 7 drives the second rotating rod 8 to rotate along with the first rotating rod, and impact force is given to the striking hammer 9 through the rotation of the second rotating rod 8, so that the striking hammer can strike the accumulated iron slag and remove the accumulated iron slag; the number of the striking hammers 9 is two, and the striking hammers are symmetrically arranged on the side wall of the second rotating rod 8.

A limiting block 10 is additionally arranged; the number of the limiting blocks 10 is two, and the limiting blocks are respectively arranged on the opposite side walls at the lower end of the first rotating rod 7; the effect of stopper 10 lies in, when first bull stick 7 contacted base plate 1, because the first bull stick 7 of blockking of base plate 1 can't continue to move, but second bull stick 8 is articulated relation with first bull stick 7, so second bull stick 8 can also continue to drive striking hammer 9 swing after first bull stick 7 stops and strikes and pile up the iron slag, and stopper 10 can restrict the swing range of second bull stick 8, ensures that its swing range can only strike and pile up the iron slag, can't contact the molten iron that spouts.

The actual use process is as follows: the handheld remote controller of staff, there is the scum when piling up in the both sides of discovery taphole, starter motor 3 and cylinder 11, cylinder 11 drives slide 2 and slides, motor 3 drives first bull stick 7 and the rotatory swing of second bull stick 8, thereby make striking hammer 9 can progressively destroy the accumulational scum along the line of taphole both sides, striking hammer 9 is when the central line direction removal along the taphole, constantly strike the accumulational scum of both sides, after piling up the scum clean up, the staff stops each part action through the remote controller, finish to this accumulational scum clean up.

Claims

1. The utility model provides a dross removal mechanism for blast furnace taphole which characterized in that: comprises a base plate (1), a sliding part, a driving part, a remote controller, a PLC and a striking part; the base plate (1) is arranged on the outer wall of the blast furnace and is positioned right above the taphole, and the central line of the base plate (1) is parallel to the central line of the taphole of the blast furnace; the sliding part is arranged on the upper end surface of the substrate (1); the driving portion is provided on the sliding portion, and the striking portion is provided on the driving portion; the sliding part comprises a cylinder (11) and a sliding rail; the slide rail is arranged on the upper end face of the substrate (1), and the center line of the slide rail is parallel to the center line of the substrate (1); the shell of the air cylinder (11) is arranged at one end, close to the blast furnace, of the upper end surface of the substrate (1), and the axial lead of a piston rod of the air cylinder (11) is parallel to the central line of the substrate (1); the signal output end of the remote controller is connected with the signal input end of the PLC; and the signal control end of the air cylinder (11) is connected with the signal output end of the PLC.

2. The slag removal apparatus for a blast furnace taphole according to claim 1, characterized in that: the driving part comprises a sliding seat (2), a motor (3), a first connecting plate (4), a second connecting plate (5), a rotating shaft and an angle sensor (6); the lower end surface of the sliding seat (2) is provided with a sliding chute, and the sliding rail penetrates through the sliding chute on the lower end surface of the sliding seat (2); the end part of a piston rod of the cylinder (11) is connected with the side wall of the sliding seat (2); the shell of the motor (3) is arranged on the upper end surface of the sliding seat (2); the first connecting plate (4) and the second connecting plate (5) are arranged oppositely, a strut is connected between the lower end of the first connecting plate (4) and the lower end of the second connecting plate (5), and two ends of the rotating shaft are respectively in shaft connection with the first connecting plate (4) and the second connecting plate (5); the first connecting plate (4) is connected with the sliding seat (2); the lower end faces of the first connecting plate (4) and the second connecting plate (5) are provided with sliding chutes, and sliding rails penetrate through the sliding chutes at the lower ends of the first connecting plate (4) and the second connecting plate (5); an output shaft of the motor (3) is connected with one end of the rotating shaft; the angle sensor (6) is arranged on the outer wall of the second connecting plate (5), and the angle sensor (6) is connected with one end of the rotating shaft; the signal control end of the motor (3) is connected with the signal output end of the PLC; and the signal output end of the angle sensor (6) is connected with the signal input end of the PLC.

3. The dross removal mechanism of claim 2, wherein: the striking part comprises a first rotating rod (7), a second rotating rod (8) and a striking hammer (9); the upper end of the first rotating rod (7) is connected with the rotating shaft, and the lower end of the first rotating rod (7) is hinged with the upper end of the second rotating rod (8); the number of the striking hammers (9) is two, and the striking hammers are symmetrically arranged on the side wall of the second rotating rod (8).

4. The dross removal mechanism of claim 3, wherein: a limiting block (10) is additionally arranged; the number of the limiting blocks (10) is two, and the limiting blocks are respectively arranged on opposite side walls at the lower end of the first rotating rod (7).