CN-122012834-A - Blast furnace repair ditch waste residue cleaning device

CN122012834ACN 122012834 ACN122012834 ACN 122012834ACN-122012834-A

Abstract

The invention provides a blast furnace ditch repairing waste residue cleaning device, which belongs to the technical field of metallurgy and comprises a slag guide steel pipe, two separating pieces, a connecting arm and a first driving piece. The slag guide steel pipe is vertically arranged on the furnace platform. The two separating pieces are hinged on the slag guide steel pipe and are distributed at intervals along the vertical direction. Each partition piece is provided with a buffer part positioned in the slag guiding steel pipe and a transmission part positioned outside the slag guiding steel pipe, and when the buffer part is turned over to seal the slag guiding steel pipe, the inner cavity of the slag guiding steel pipe is vertically partitioned, and the extending directions of the two transmission parts are opposite. The connecting arm is hinged between the two transmission parts. The first driving piece is connected with any transmission part and is used for driving the two buffer parts to tilt alternately so as to enable waste residues to fall down in a sectional and intermittent mode along the slag guide steel pipe. According to the blast furnace ditch repairing waste residue cleaning device provided by the invention, long-distance free falling body movement is divided into a plurality of sections of short-distance falling, so that the accumulated kinetic energy of waste residues is attenuated, and the damage of a carriage caused by falling impact of the waste residues is avoided.

Inventors

LIU BENG
LI SHIYOU
LIU CHENGQIN
ZHANG XIANLIANG
WEI QUAN

Assignees

辛集市澳森特钢集团有限公司

Dates

Publication Date: 20260512
Application Date: 20260311

Claims (10)

1. A blast furnace ditch repairing waste residue cleaning device is characterized by comprising, The slag guide steel pipe (1) is vertically arranged on the furnace platform (2); The two separating pieces (3) are hinged on the slag guiding steel pipe (1) and are distributed at intervals along the vertical direction, each separating piece (3) is provided with a buffer part positioned in the slag guiding steel pipe (1) and a transmission part positioned outside the slag guiding steel pipe (1), the buffer part can vertically separate the inner cavity of the slag guiding steel pipe (1) when the buffer part is turned over to seal the slag guiding steel pipe (1), and the extending directions of the two transmission parts are opposite; A connecting arm (4) hinged between the two transmission parts; the first driving piece (5) is connected with any one of the transmission parts and is used for driving the two buffer parts to alternately pitch and turn over so that waste residues fall down in a segmented and intermittent mode along the slag guide steel pipe (1).
2. The blast furnace repair slag cleaning device according to claim 1, wherein the partition member (3) comprises: A rotating shaft (31) which is rotatably arranged on the slag guide steel pipe (1); the mounting arm (32) is sleeved on the rotating shaft (31); the sealing plate (33) is fixedly arranged on the mounting arm (32) and positioned in the slag guide steel pipe (1), and the sealing plate (33) forms the buffer part; The driving arm (34) is fixedly arranged on the rotating shaft (31) and is positioned outside the slag guide steel pipe (1), the driving arm (34) forms the transmission part, and one end of the driving arm (34) deviating from the rotating shaft (31) is hinged with the connecting arm (4).
3. The blast furnace repair waste residue cleaning device according to claim 2, wherein the mounting arm (32) is rotatably sleeved on the rotating shaft (31), and the partition (3) further comprises: a force transfer beam (35) fixedly arranged on the mounting arm (32); the two supporting lugs (36) are fixedly arranged on the rotating shaft (31) and are respectively positioned at two sides of the rotating path of the force transmission beam (35); the two buffer cushion blocks (37) are fixedly arranged on the two supporting lugs (36) respectively, and the buffer cushion blocks (37) are propped against the force transmission beam (35); When the waste residue impacts the sealing plate (33), the force transfer beam (35) deflects along with the sealing plate (33) and presses the buffer cushion block (37), so that the buffer cushion block (37) absorbs impact force.
4. The blast furnace ditch repairing waste residue cleaning device according to claim 1, wherein the first driving piece (5) is a first hydraulic cylinder, a piston rod end of the first hydraulic cylinder is hinged with any one of the transmission parts, and a cylinder body end of the first hydraulic cylinder is hinged with the slag guiding steel pipe (1).
5. The blast furnace repair slag cleaning device as set forth in claim 1, further comprising: The two movable cover plates (61) are respectively arranged on two opposite sides of the slag guide steel pipe (1) in a turnover way, and each movable cover plate (61) is provided with a sealing station and a material guide station; The two driving assemblies are in one-to-one corresponding transmission connection with the two movable cover plates (61) respectively and are used for driving the two movable cover plates (61) to turn over; When the movable cover plate (61) is overturned to the sealing station, the movable cover plate (61) is flush with the upper surface of the hearth (2) so as to seal the feed inlet of the slag guide steel pipe (1); When the movable cover plate (61) is overturned to the material guiding station, the movable cover plate (61) inclines towards the interior of the slag guiding steel pipe (1) so as to form a material guiding inclined plane for guiding waste slag to enter the slag guiding steel pipe (1).
6. The blast furnace finishing slag cleaning device as set forth in claim 5, wherein the driving assembly includes: Two sliding pieces (62) hinged to the two opposite sides of the movable cover plate (61) respectively and arranged on the stove table (2) in a transverse sliding manner; A support (63) with one end hinged to the oven table (2) and the other end hinged to the corresponding movable cover plate (61); The second driving piece (64) is arranged on the slag guide steel pipe (1) and is used for driving the supporting piece (63) to turn over.
7. The blast furnace ditch repairing waste residue cleaning device according to claim 6, wherein the second driving piece (64) is a second hydraulic cylinder, the cylinder body end of the second hydraulic cylinder is hinged with the slag guiding steel pipe (1), and the piston rod end of the second hydraulic cylinder is hinged with the corresponding supporting piece (63).
8. The blast furnace ditch repairing waste residue cleaning device according to claim 6, wherein sliding rails (21) are fixedly arranged on two opposite sides of the slag guiding steel pipe (1) on the furnace platform (2), and pulleys (621) matched with the sliding rails (21) are rotatably arranged on the sliding pieces (62).
9. The blast furnace ditch repairing waste residue cleaning device according to claim 1, wherein a plurality of slow flow parts (11) which are distributed at intervals along the vertical direction are fixedly arranged on the inner wall of the slag guide steel pipe (1), and the channel section of each slow flow part (11) is gradually reduced along the falling direction of waste residues.
10. The blast furnace repair slag cleaning device as set forth in claim 1, further comprising: the spray header (71) is fixedly arranged at the bottom end of the slag guide steel pipe (1); The sensor (72) is fixedly arranged at the bottom end of the slag guide steel pipe (1) and used for detecting falling of waste slag; and the controller is electrically connected with the spray header (71) and the sensor (72) and is configured to respond to the detection signal of the sensor (72) so as to control the start and stop of the spray header (71).

Description

Blast furnace repair ditch waste residue cleaning device Technical Field The invention belongs to the technical field of metallurgy, and particularly relates to a blast furnace ditch repairing waste residue cleaning device. Background In blast furnace ironmaking production, a main iron runner in front of the blast furnace is subjected to high-temperature molten iron scouring and chemical erosion for a long time, and the blast furnace is required to be shut down periodically for maintenance or replacement. A large amount of solid waste slag is generated during the maintenance process, and mainly comprises broken refractory fragments, solidified slag-iron mixture and the like. The timely and efficient cleaning of the waste residues is a key link for guaranteeing the rapid recovery production of the blast furnace, and is also an important content of safety and environmental protection management of the ironmaking site. At present, a slag cleaning mode commonly adopted in the industry is to arrange a vertical slag guide steel pipe at one side of a furnace platform corresponding to a main iron runner maintenance position. During cleaning operation, the transport vehicle is stopped below the slag guide steel pipe, and a discharge hole at the lower end of the slag guide steel pipe is aligned to the upper part of a carriage of the vehicle. Subsequently, the worker controls the hooking machine to pour the waste residues into the feed inlet at the upper end of the slag guiding steel pipe, so that the waste residues fall into a carriage below along the slag guiding steel pipe. However, the waste slag falls down along the slag guide steel pipe from the height of the hearth, the impact force is large when the waste slag reaches the carriage, the carriage bottom plate and the side wall of the transport vehicle are easy to deform or crack, and the severe impact can cause the waste slag to splash out of the carriage, so that adverse effects are caused on the surrounding operation environment. Disclosure of Invention The invention aims to provide a blast furnace ditch repairing waste residue cleaning device, which aims to reduce the impact force when waste residues fall down. In order to achieve the purpose, the invention adopts the technical scheme that the blast furnace ditch repairing waste residue cleaning device comprises: The slag guide steel pipe is vertically arranged on the furnace platform; the two separating pieces are hinged on the slag guide steel pipe and are distributed at intervals along the vertical direction, each separating piece is provided with a buffer part positioned in the slag guide steel pipe and a transmission part positioned outside the slag guide steel pipe, and the buffer part can vertically separate the inner cavity of the slag guide steel pipe when the buffer part is turned over to seal the slag guide steel pipe, and the extending directions of the two transmission parts are opposite; the connecting arm is hinged between the two transmission parts; The first driving piece is connected with any one of the transmission parts and used for driving the two buffer parts to alternately pitch and turn over so that waste residues fall down in a segmented and intermittent mode along the slag guide steel pipe. In one possible implementation, the separator includes: The rotating shaft is rotatably arranged on the slag guide steel pipe; The mounting arm is sleeved on the rotating shaft; the sealing plate is fixedly arranged on the mounting arm and positioned in the slag guide steel pipe; The driving arm is fixedly arranged on the rotating shaft and positioned outside the slag guide steel pipe, the driving arm forms the transmission part, and one end of the driving arm, which is away from the rotating shaft, is hinged with the connecting arm. In one possible implementation manner, the mounting arm is rotatably sleeved on the rotating shaft, and the partition further includes: the force transmission beam is fixedly arranged on the mounting arm; the two supporting lugs are fixedly arranged on the rotating shaft and are respectively positioned at two sides of the rotating path of the force transmission beam; The two buffer cushion blocks are fixedly arranged on the two supporting lugs respectively, and the buffer cushion blocks and the force transmission Liang Xiangdi are connected with each other; When the waste residue impacts the sealing plate, the force transfer beam deflects along with the sealing plate and extrudes the buffer cushion block so that the buffer cushion block absorbs impact force. In one possible implementation manner, the first driving piece is a first hydraulic cylinder, a piston rod end of the first hydraulic cylinder is hinged with any one of the transmission parts, and a cylinder body end of the first hydraulic cylinder is hinged with the slag guide steel pipe. In one possible implementation manner, the blast furnace repair waste residue cleaning device further includes: the two movabl