CN113000534A - Ladle hot repair seals dust removal subassembly - Google Patents
Ladle hot repair seals dust removal subassembly Download PDFInfo
- Publication number
- CN113000534A CN113000534A CN202110195237.XA CN202110195237A CN113000534A CN 113000534 A CN113000534 A CN 113000534A CN 202110195237 A CN202110195237 A CN 202110195237A CN 113000534 A CN113000534 A CN 113000534A
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- dust removal
- sealing
- upright post
- cover
- ladle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention discloses a steel ladle hot repair closed dust removal assembly which comprises a sliding dust removal cover, wherein the sliding dust removal cover comprises an upright post, a sealing cover, a cover body, side plates, a roller shutter, a protection plate and a dust collection negative pressure pipe, travelling wheels are arranged at the bottom of the upright post, the side plates are arranged on the left side of the upright post, the protection plate is arranged on the right side of the upright post, the roller shutters are respectively arranged on the front side and the rear side of the upright post, the sealing cover is arranged at the top of the upright post, and two middle hanging sealing groups and side hanging sealing groups with the same structure are arranged inside the sealing cover.
Description
Technical Field
The invention relates to the technical field of steel making, in particular to a steel ladle hot repair closed dust removal assembly.
Background
In the steelmaking process, the ladle is an indispensable molten iron guiding and transporting device, the use frequency is very high, and the maintenance work of the ladle is very important. The ladle hot repair tipping position can generate a large amount of smoke dust in the ladle hot repair baking process, and along with the increasing strictness of the national environmental protection policy and the occupational health standard, the ladle hot repair tipping position labor environment is improved, the pollution of the smoke dust to the atmosphere is prevented, and the ladle hot repair tipping position is one of the important subjects of environmental protection engineering design and management. When present ladle hot repair, the ladle generally exposes in the workshop, and its dust collecting equipment is located near hot repair department and carries out the dust absorption to improve dust removal effect, nevertheless so operate, still have a large amount of high temperature smoke and dust to spill over to the workshop sky, form a large amount of deposition in positions such as each production platform in workshop, driving beam, dust removal effect remains to be improved.
Disclosure of Invention
The invention aims to solve the problem that in the prior art, when a ladle is subjected to hot repair, the ladle is generally exposed in a workshop for convenient lifting and the dust removal effect needs to be improved, and provides a closed dust removal assembly for the hot repair of the ladle, which is used for sealing the ladle, and a closed negative pressure cavity is formed outside the ladle to improve the dust removal effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a ladle hot repair seals dust removal subassembly, includes the slip dust excluding hood, the slip dust excluding hood includes stand, sealed lid, the cover body, curb plate, book curtain, guard plate slide rail and dust absorption negative pressure pipe.
Specifically, the bottom of the upright post is provided with traveling wheels, the traveling wheels are 6-8 sets of traveling wheels according to the span of the upright post, a group of traveling wheels which are symmetrical at will are driving traveling wheels, and the driving force of the driving wheels is provided by a motor. The driving wheel and the motor are connected through a speed reducer, a coupling or chain transmission. The steel ladle hot repair closed dust removal assembly is characterized in that the sliding rail is matched with the traveling wheels, at least two maintenance stations are arranged on the sliding rail, limit switches corresponding to the maintenance stations in number and position are arranged on the sliding rail, and the stop position where the steel ladle hot repair closed dust removal assembly automatically travels is controlled by the limit switches when the multi-station operation is carried out. The sliding dust excluding hood can walk along the slide rail, and the sliding dust excluding hood can stay at an overhaul station to remove dust for the steel ladle.
Furthermore, the left side of stand sets up the curb plate, and the curb plate is used for dust removal component's left and right sides side to be sealed, set up openable door plant on the curb plate, make things convenient for patrolling and examining personnel to get into the ladle afterbody and inspect lug and ladle lower part.
Further, the right side of stand sets up the right side board, and the guard plate is used for keeping apart hot repair staff and ladle. The inner wall of the protection plate is provided with a refractory material with the thickness larger than cm, the protection plate is provided with toughened glass and a rotary sphere, the rotary sphere is rotatably connected with the protection plate, and the rotary sphere is provided with a hole for the oxygen blowing lance to pass through and a clamping piece for clamping the oxygen blowing lance. The ladle and maintenance position are observed to staff's accessible toughened glass, when carrying out the ladle maintenance, can promote the oxygen blowing rifle and carry out corresponding maintenance work, and the activity that sets up to the oxygen blowing rifle of rotary ball provides probably, can realize the front side of stand simultaneously and seal.
The inner wall of the protection plate can also be provided with a fireproof refractory hook for placing an oxygen blowing lance.
Further, the front side and the rear side of the upright post are provided with rolling screens, and the rolling screens are made of materials with heat resistance temperature of over 1200 ℃. The top of stand sets up sealed lid, and sealed lid is used for the sealed of the top of stand.
Specifically, two middle hanging sealing groups and two side hanging sealing groups are arranged in the sealing cover, and the middle hanging sealing groups and the side hanging sealing groups are identical in structure. The middle hanging sealing group is positioned on one side of the side hanging sealing group. The side hoisting sealing groups are used for hoisting movable seals of side hoisting lines on two sides of the ladle, and the middle hoisting sealing group is used for hoisting movable seals of a middle hoisting line at the bottom of the ladle.
The middle hanging sealing group consists of two conveyor belt pieces which are arranged side by side and attached to the linear conveying side. The conveying piece comprises a fixed rotating shaft, a conveying wheel, a clamping block, a supporting belt and a cover plate, the conveying wheel is rotatably connected with the sealing cover through the fixed rotating shaft, the supporting belt is sleeved on the conveying wheel as a conveying belt, the plurality of clamping blocks attached to each other are arranged outside the supporting belt, a telescopic rod and a return spring are arranged between the clamping blocks and the supporting belt, one end of the telescopic rod is fixedly connected with the clamping block, and the other end of the telescopic rod is fixedly connected with the return spring. When the middle hoisting line enters into the hoisting sealing group, namely the middle hoisting line enters between the straight line conveying sides of the two conveying members, the edge hoisting line extrudes the fixture blocks, the telescopic rod and the return spring can contract, and the middle hoisting line can be positioned between the fixture blocks of the two conveying members and moves between the straight line conveying sides of the two conveying members. The clamping blocks are independent and individual, mutual influence can not be caused generally, when the middle hoisting line moves from one clamping block to the other clamping block, the two clamping blocks at the initial positions can be returned by the return springs to be continuously attached, and moving sealing of the middle hoisting line is completed.
In the same way, the side suspension wire can realize the movable sealing in the side suspension sealing group. The middle hanging sealing group is positioned on one side of the side hanging sealing group, and the straight line conveying side of the conveying belt piece of the middle hanging sealing group close to the side hanging sealing group is attached to the straight line conveying side of the side part of the conveying belt piece in the side hanging sealing group and used for sealing between the middle hanging sealing group and the side hanging sealing group. Of course, in the actual manufacturing process, other sealing elements can be arranged between the middle hanging sealing group and the side hanging sealing group.
Furthermore, cover plates are respectively arranged on the upper portion and the lower portion of the conveying wheels, the edges of the cover plates extend to the clamping blocks, and the cover plates can be used for sealing between the conveying wheels and between the clamping blocks and the supporting belts. The sealing cover is internally provided with a separation plate, and the separation plate is used for sealing between the middle hanging sealing group and the inner wall of the sealing cover as well as between the side hanging sealing group and the inner wall of the sealing cover.
Furthermore, a dust suction cylinder communicated with the dust suction negative pressure pipe and the lower space of the sealing cover is arranged on the cover plate, and the dust suction cylinder adsorbs the smoke dust in the lower space of the sealing cover through the dust suction negative pressure pipe. The size and the shape of the dust suction negative pressure pipe can be flexibly set according to the cavity space formed by the upright post and the sealing cover.
Further, set up between roll up curtain and the stand and lean on the casting die, lean on the casting die including activity pivot, movable support, fixed block, slide bar and draw the spring, roll up the curtain and convolute in the activity pivot, the both ends and the movable support swivelling joint of activity pivot, the movable support passes through slide bar and fixed block sliding connection, set up between fixed block and the movable support and be used for ordering about the movable support and be close to the fixed block draw and draw the spring, fixed block fixed connection stand, sealed lid sets up the slider, the one end of curtain is rolled up to slider fixed connection, the other end of rolling up the curtain is through spiral spring coupling activity pivot. The sliding block at one end of the rolling curtain is pulled to open the rolling curtain, and the sealing of the rear side of the upright post can be realized. The roller shutter is connected with the stand column through the movable support, and when the roller shutter is rolled, the movable support can move along with the radius wound on the movable rotating shaft, so that the gap between the roller shutter and the stand column is reduced. The pulling of the rolling curtain can be manual, and the rolling curtain can be pulled from one side by a motor. The rolling screen is loosened, and under the action of the spiral spring, the rolling screen is wound on the rotating shaft.
Furthermore, a cover body is arranged above the sealing cover, and one end of the dust suction negative pressure pipe is positioned in the cover body. In order to realize the movement of the side hoisting line and the middle hoisting line, the sealing cover and the cover body are provided with notches for accommodating the movement of the hoisting line and the middle hoisting line.
The bottom of the sealing cover is provided with an explosion-proof high-temperature-resistant illuminating lamp for illumination. The dust removal assembly further comprises an operation box for controlling the traveling wheels to advance and retreat, the operating room in the operation box can set the working position in the automatic traveling process in a linkage manner, and the switch of the illuminating lamp can be controlled.
The invention has the beneficial effects that:
1. this ladle hot repair seals dust removal component's guard plate sets up the removal that the oxygen lance was realized blowing to the spheroid, can guarantee the leakproofness of guard plate self simultaneously, and the excessive of smoke and dust when effectively reducing the ladle hot repair.
2. This sealed lid of ladle hot repair closed dust removal subassembly hangs the removal of sealing group realization hoist and mount ladle suspension wire through well hanging sealed group and limit and seals the group, and the excessive of smoke and dust when effectively reducing the ladle hot repair is excessive.
3. The roller shutter of the steel ladle hot repair closed dust removal assembly is connected with the stand column through the movable support, when the roller shutter is rolled, the movable support can move along with the radius wound on the movable rotating shaft, the gap between the roller shutter and the stand column is reduced, and the overflow of smoke dust during steel ladle hot repair is effectively reduced
In conclusion, the steel ladle hot repair closed dust removal assembly is used for dust removal of steel ladle hot repair, and the steel ladle hot repair closed dust removal assembly forms relative sealing with the ground through five surfaces of the stand column, so that a steel ladle is in a relatively sealed space during hot repair, smoke generated by steel ladle hot repair is effectively reduced from overflowing, and the dust removal effect of steel ladle hot repair is better.
Drawings
FIG. 1 is a schematic structural diagram of the front side of the ladle hot repair closed dust removal assembly;
FIG. 2 is a schematic structural view of the sealing cover of the ladle hot repair sealing dust removal assembly;
FIG. 3 is a schematic structural view of a clamping block of the steel ladle hot repair closed dust removal assembly;
FIG. 4 is a schematic structural view of the side of the ladle hot repair closed dust removal assembly;
FIG. 5 is a schematic structural view of the ladle hot-repair closed dedusting assembly at side A;
FIG. 6 is a schematic structural view of the curtain rolling position of the ladle hot repair closed dust removal assembly;
FIG. 7 is a schematic structural view of the ladle hot repair closed dust removal assembly at the front in operation;
fig. 8 is a schematic structural view of the present mold buckle.
In the figure: 1. a column; 2. a traveling wheel; 3. a dust suction cylinder; 4. a sealing cover; 5. a cover body; 6. a dust suction negative pressure pipe; 7. a middle hanging sealing group; 8. hanging a sealing group while hanging; 9. a side plate; 10. a ladle; 11. hanging wires at the sides; 12. a middle suspension cable; 13. a slide rail; 14. rolling a curtain; 15. a protection plate; 16. blowing an oxygen lance; 17. die buckling; 41. a separator plate; 71. fixing the rotating shaft; 72. a transfer wheel; 73. a clamping block; 74. a support band; 75. a cover plate; 76. a telescopic rod; 77. a return spring; 91. a door panel; 141. a movable rotating shaft; 142. a movable support; 143. a fixed block; 144. a slide bar; 145. a pulling spring; 151. tempering the glass; 152. the sphere is rotated.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 and 4, the ladle hot repair closed dust removal assembly comprises a sliding dust removal cover, wherein the sliding dust removal cover comprises an upright post 1, a sealing cover 4, a cover body 5, a side plate 9, a roller shutter 14, a sliding rail 13, a protection plate 15 and a dust suction negative pressure pipe 6.
Specifically, the upright column 1 is used for supporting the main body part of the steel ladle hot repair closed dust removal assembly, the bottom of the upright column 1 is provided with walking wheels 2, the walking wheels 2 are provided with 6-8 sets according to the span of the upright column 1, a group of walking wheels 2 which are symmetrical randomly are driving walking wheels, and the driving force of the driving wheels is provided by a motor. The driving wheel and the motor are connected through a speed reducer, a coupling or chain transmission. The sliding rail is matched with the travelling wheels, at least two maintenance stations are arranged on the sliding rail 13, limit switches corresponding to the number and the positions of the maintenance stations are arranged on the sliding rail 13, and the stop position of the automatic travelling of the closed dust removal assembly during the hot repair of the steel ladle is controlled by the limit switches during the multi-station operation. The sliding dust excluding hood can walk along the slide rail 13, and the sliding dust excluding hood can stay at an overhaul station to remove dust for the steel ladle. Slide rail 13 imbeds the ground setting, avoids influencing the removal of other equipment in workshop.
Further, the left side of the upright post 1 is provided with a side plate 9, the side plate 9 is used for sealing the left side surface and the right side surface of the dust removal assembly, and the side plate 9 is provided with a door plate 91 which can be opened and closed, so that inspection personnel can conveniently enter the tail part of the ladle to inspect the lifting lug and the lower part of the ladle.
Further, the right side of stand 1 sets up right side board 15, and guard plate 15 is used for keeping apart hot repair staff and ladle. The inner wall of the protection plate 15 is provided with a refractory material with the thickness of more than 10cm, the protection plate 15 is provided with toughened glass 151 and a rotary sphere 152, the rotary sphere 152 is rotatably connected with the protection plate 15, and the rotary sphere 152 is provided with a hole for accommodating the oxygen blowing lance 16 to pass through and a clamping piece for clamping the oxygen blowing lance 16. The staff can observe the ladle and the maintenance position through the toughened glass 151, when the ladle is maintained, the oxygen lance 16 can be pushed to perform corresponding maintenance work, the setting of the rotary sphere 152 provides possibility for the movement of the oxygen lance 16, and the front side sealing of the upright post 1 can be realized.
Further, the rolling blinds 14 are arranged on the front side and the rear side of the upright post 1, and the material of the rolling blinds 14 must be the material with the heat-resisting temperature of more than 1200 ℃. The top of the upright post 1 is provided with a sealing cover 4, and the sealing cover 4 is used for sealing the top of the upright post 1.
Referring to fig. 2, two middle hanging sealing groups 7 and two side hanging sealing groups 8 are arranged inside the sealing cover 4, and the structures of the middle hanging sealing groups 7 and the side hanging sealing groups 8 are the same. The middle hanging sealing group 7 is positioned on one side of the side hanging sealing group 8. The side hoisting sealing group 8 is used for hoisting movable seals of side hoisting lines on two sides of the steel ladle, and the middle hoisting sealing group 7 is used for hoisting movable seals of a middle hoisting line at the bottom of the steel ladle, so that the overflow of smoke dust during hot repair of the steel ladle is effectively reduced.
The middle hanging sealing group 7 consists of two conveyor belt pieces which are arranged side by side and attached to the linear conveying side. The conveying piece comprises a fixed rotating shaft 71, a conveying wheel 72, a clamping block 73, a supporting belt 74 and a cover plate 75, the conveying wheel 72 is rotatably connected with the sealing cover 4 through the fixed rotating shaft 71, the supporting belt 74 is sleeved on the conveying wheel 72 as a conveying belt, the plurality of clamping blocks 73 attached to each other are arranged outside the supporting belt 74, referring to fig. 3, an expansion rod 76 and a return spring 77 are arranged between the clamping blocks 73 and the supporting belt 74, one end of the expansion rod 76 and one end of the return spring 77 are fixedly connected with the clamping blocks 73, and the other end of the expansion rod 76 and the other end of the return spring 77 are fixedly connected with. When the middle hoisting wire enters the hoisting sealing group 7, namely the middle hoisting wire enters between the straight line conveying sides of the two conveying members, the side hoisting wire extrudes the fixture blocks 73, the telescopic rods 76 and the return springs 77 can contract, and the middle hoisting wire can be positioned between the fixture blocks 73 of the two conveying members and moves between the straight line conveying sides of the two conveying members. The fixture blocks 73 are independent and independent, and generally cannot influence each other, when the middle hoisting line moves from one fixture block 73 to the other fixture block 73, the two fixture blocks 73 at the initial positions can return to continue to be attached through the return springs 77, and the moving sealing of the middle hoisting line is completed.
Similarly, the side suspension wire can realize the movable sealing in the side suspension sealing group 8. The middle hanging seal group 7 is positioned at two sides of the side hanging seal group 8, and the straight line conveying side of the conveyor belt piece of the middle hanging seal group 7 close to the side hanging seal group 8 is attached to the straight line conveying side of the conveyor belt piece in the side hanging seal group 8 and used for sealing between the middle hanging seal group 7 and the side hanging seal group 8. Of course, other sealing elements can be arranged between the middle hanging sealing group 7 and the side hanging sealing group 8 in the actual manufacturing process.
Further, cover plates 75 are respectively disposed above and below the conveying wheels 72, edges of the cover plates 75 extend to the blocking blocks 73, and the cover plates 75 can be used for sealing between the conveying wheels 72 and between the blocking blocks 73 and the supporting bands 74. And a partition plate 41 is arranged inside the sealing cover 4, and the partition plate 41 is used for sealing between the middle hanging sealing group 7 and the side hanging sealing group 8 and the inner wall of the sealing cover 4.
Further, the cover plate 75 is provided with a dust suction tube 3 communicating the dust suction negative pressure tube 6 and the lower space of the sealing cover 4, and the dust suction tube 3 adsorbs the smoke dust in the lower space of the sealing cover 4 through the dust suction negative pressure tube 6. The dust suction negative pressure pipe 6 can be flexibly set in size and shape according to the cavity space formed by the upright post 1 and the sealing cover 4.
Further, referring to fig. 5 and 6, a pressing member is disposed between the roller shutter 14 and the upright 1, the pressing member includes a movable rotating shaft 141, a movable bracket 142, a fixed block 143, a sliding rod 144 and a pulling spring 145, the roller shutter 14 is wound around the movable rotating shaft 141, two ends of the movable rotating shaft 141 are rotatably connected to the movable bracket 142, the movable bracket 142 is slidably connected to the fixed block 143 through the sliding rod 144, the pulling spring 145 for driving the movable bracket 142 to approach the fixed block 143 is disposed between the fixed block 143 and the movable bracket 142, the fixed block 143 is fixedly connected to the upright 1, the sealing cover 4 is provided with a sliding block, the sliding block is fixedly connected to one end of the roller shutter 14, and the other end of the roller shutter 14 is connected to the movable rotating shaft 141 through a spiral spring. The sliding block at one end of the roller shutter 14 is pulled to open the roller shutter, and the sealing of the rear side of the upright post 1 can be realized. The rolling curtain 14 is connected with the upright post 1 through the movable support 142, when the rolling curtain 14 is rolled, the movable support 142 can move along with the radius wound on the movable rotating shaft 141, the gap between the rolling curtain 14 and the upright post 1 is reduced, and the overflow of smoke dust during ladle hot repair is effectively reduced.
In this embodiment, the rolling shutter 14 may be pulled manually, or the rolling shutter 14 may be pulled from one side by a motor. The rolling screen 14 is unwound, and the rolling screen 14 is wound on the rotating shaft 141 by the action of the spiral spring.
Furthermore, a cover body 5 is arranged above the sealing cover 4, and one end of the dust suction negative pressure pipe 6 is positioned in the cover body 5. In order to realize the movement of the side hoisting line and the middle hoisting line, the sealing cover 4 and the cover body 5 are provided with notches for accommodating the movement of the hoisting line and the middle hoisting line.
The bottom of the sealing cover 4 is provided with an explosion-proof high-temperature-resistant illuminating lamp for illumination. The dust removal assembly further comprises an operation box for controlling the traveling wheels 2 to advance and retreat, the operating room in the operation box can set the working position in the automatic traveling process in a linkage manner, and the switch of the illuminating lamp can be controlled.
The working process of the ladle hot repair closed dust removal assembly is as follows:
the method comprises the following steps: hoisting the ladle 10 by using a travelling crane in a workshop, wherein two sides of the ladle 10 are hoisted by side hoisting lines 11, the bottom of the ladle 10 is hoisted by a middle hoisting line 12, the opening of the ladle 10 is kept horizontal by adjusting the position of the hoisting line, and the travelling crane hoists the ladle to an overhaul station above a slide rail 13;
step two: keeping the opening of the ladle 10 facing the protection plate 15, and moving the main body part of the dust removal assembly into the maintenance station;
referring to fig. 7, in the process, the edge lifting line 11 firstly enters between the linear conveying sides of the two conveying members of the edge lifting seal group 8, the fixture blocks of the edge lifting seal group 8 wrap the edge lifting line 11, and the edge lifting line 11 can move in the edge lifting seal group 8; subsequently, the middle hoisting wire 12 enters between the linear conveying sides of the two conveying members of the middle hoisting sealing group 7, the middle hoisting wire 12 is wrapped by the fixture blocks 73, and the middle hoisting wire 12 can move in the middle hoisting sealing group 7.
Step three: referring to fig. 7, the ladle 10 is completely inserted into the bottom of the sealing cover 4, and the sliding block at one end of the roller blind 14 is pulled to open the roller blind 14 at the front side and the rear side of the upright post 1, respectively, thereby completing the sealing of the front side and the rear side of the upright post 1.
Step four: the worker observes the ladle 10 and the maintenance position through the tempered glass 151 and pushes the oxygen blowing lance 16 to perform corresponding maintenance work on the ladle 10.
Step five: the maintenance of the ladle 10 is completed, the roller shutter 14 is loosened, the roller shutter 4 is wound on the rotating shaft 141 under the action of the volute spiral spring, the sealing of the front side and the rear side of the upright post 1 is released, the main body part of the dust removal assembly is moved to leave the maintenance station, and then the travelling crane takes the ladle 10 away from the hot maintenance station.
Because the hoisting lines are different in size and shape, referring to fig. 8, the ladle hot repair closed dust removal assembly is further provided with a die buckle 17, the die buckle 17 corresponds to the clamping blocks 73 in shape, and when the die buckle 17 is positioned between the clamping blocks 73, complete sealing can be achieved. The die buckle 17 is composed of two half blocks and can be clamped on a hoisting line, so that the hoisting line is conveniently matched with the clamping block 73, and the applicability is improved.
The ladle hot repair closed dust removal assembly in the embodiment is used for dust removal of ladle hot repair, and the ladle hot repair closed dust removal assembly enables a ladle to be in a relatively sealed space during hot repair through relative sealing of six surfaces of the stand column, so that overflow of smoke generated by ladle hot repair is effectively reduced, and dust removal is more thorough.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The closed dust removal assembly for the hot repair of the steel ladle is characterized by comprising a sliding dust removal cover, wherein the sliding dust removal cover comprises an upright post (1), a sealing cover (4), a cover body (5), a side plate (9), a roller shutter (14), a protection plate 15 and a dust suction negative pressure pipe (6);
the walking wheels (2) are arranged at the bottom of the upright post (1), the side plate (9) is arranged on the left side of the upright post (1), the right side plate (15) is arranged on the right side of the upright post (1), the roller shutters (14) are arranged on the front side and the rear side of the upright post (1), and the sealing cover (4) is arranged at the top of the upright post (1);
a middle hanging sealing group (7) and a side hanging sealing group (8) with the same structure are arranged in the sealing cover (4), the middle hanging sealing group (7) consists of two conveyor belt pieces which are arranged side by side and are attached to each other at the linear conveying side, the conveying piece comprises a fixed rotating shaft (71), a conveying wheel (72), a clamping block (73), a supporting belt (74) and a cover plate (75), the transmission wheel (72) is rotationally connected with the sealing cover (4) through a fixed rotating shaft (71), the supporting belt (74) is sleeved on the conveying wheel (72) as a conveying belt, a plurality of clamping blocks (73) which are attached to each other are arranged outside the supporting belt (74), a telescopic rod (76) and a return spring (77) are arranged between the clamping block (73) and the supporting belt (74), the upper part and the lower part of the conveying wheel (72) are respectively provided with a cover plate (75), and the cover plate (75) is provided with a dust suction tube (3) communicated with the lower space of the dust suction negative pressure tube (6) and the sealing cover (4);
the middle hanging sealing group (7) is positioned on one side of the side hanging sealing group (8), and the straight line conveying side, close to the conveying belt piece of the side hanging sealing group (8), of the middle hanging sealing group (7) is attached to the straight line conveying side of the side portion of the conveying belt piece in the side hanging sealing group (8).
2. The ladle hot repair closed dust removal assembly according to claim 1, wherein the protective plate (15) is provided with tempered glass (151) and a rotary sphere (152), and the rotary sphere (152) is provided with a hole for accommodating the oxygen blowing lance (16) to pass through and a clamping piece for clamping the oxygen blowing lance (16).
3. The ladle hot repair closed dust removal assembly of claim 1, wherein a pressing member is arranged between the roller shutter (14) and the upright post (1), the pressing member comprises a movable rotating shaft (141), a movable support (142), a fixed block (143), a sliding rod (144) and a pulling spring (145), the roller shutter (14) is wound on the movable rotating shaft (141), two ends of the movable rotating shaft (141) are rotatably connected with the movable support (142), the movable support (142) is slidably connected with the fixed block (143) through the sliding rod (144), the pulling spring (145) for driving the movable support (142) to be close to the fixed block (143) is arranged between the fixed block (143) and the movable support (142), the fixed block (143) is fixedly connected with the upright post (1), the sealing cover (4) is provided with a sliding block, and the sliding block is fixedly connected with one end of the roller shutter (14), the other end of the rolling curtain (14) is connected with a movable rotating shaft (141) through a spiral spring.
4. The ladle hot-repair closed dust removal assembly of claim 1, wherein the edge of the cover plate (75) extends to the latch (73).
5. The ladle hot repair closed dust removal assembly according to claim 1, wherein a cover body (5) is arranged above the sealing cover (4), and one end of the dust suction negative pressure pipe (6) is positioned in the cover body (5).
6. The ladle hot repair closed dust removal assembly according to claim 1, wherein a door panel (91) is provided on the side plate (9).
7. The ladle hot repair closed dust removal assembly according to claim 1, further comprising a sliding rail (13), wherein the sliding rail (13) is matched with the traveling wheels (2), and limit switches corresponding to the number and positions of the repair stations are arranged on the sliding rail (13).
8. The ladle hot repair closed dust removal assembly according to claim 1, wherein the number of the walking wheels (2) is set according to the span of the upright post (1), and the number of the walking wheels (2) is 6-8.
9. The ladle hot repair closed dust removal assembly according to claim 1, wherein a lighting lamp is arranged at the bottom of the sealing cover (4).
10. The ladle hot repair closed dust removal assembly according to claim 9, further comprising an operation box for controlling the travelling wheels (2) to advance and retreat, wherein the operation box is internally provided with an operation piece for performing interlocking setting on the working positions of the travelling wheels (2) during automatic travelling and controlling the switch of an illuminating lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110195237.XA CN113000534B (en) | 2021-02-20 | 2021-02-20 | Ladle hot repair seals dust removal subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110195237.XA CN113000534B (en) | 2021-02-20 | 2021-02-20 | Ladle hot repair seals dust removal subassembly |
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| Publication Number | Publication Date |
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| CN113000534A true CN113000534A (en) | 2021-06-22 |
| CN113000534B CN113000534B (en) | 2021-10-19 |
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| CN202110195237.XA Active CN113000534B (en) | 2021-02-20 | 2021-02-20 | Ladle hot repair seals dust removal subassembly |
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN113000534B (en) | 2021-10-19 |
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