CN113201612B

CN113201612B - Device and method for quickly removing copper cooling wall in residual iron discharging construction of blast furnace

Info

Publication number: CN113201612B
Application number: CN202110384460.9A
Authority: CN
Inventors: 李建辉; 姜利; 刘晓军; 李国明; 武文学; 张辉
Original assignee: Beijing Shougang Construction Group Co Ltd
Current assignee: Beijing Shoujian Equipment Maintenance Co.,Ltd.
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2022-07-12
Anticipated expiration: 2041-04-09
Also published as: CN113201612A

Abstract

The utility model belongs to the technical field of the technique of smelting engineering and specifically relates to a device and method are demolishd fast to copper cooling stave in incomplete iron construction is put to blast furnace is related to, including the support, be used for fixing portal frame on the blast furnace and set up the jack on portal frame, it is provided with the wheel to rotate on the support, it is provided with the workstation to slide on the support, be provided with the actuating mechanism who is used for driving the workstation to go up and down on the support, the fixed location mantle that is provided with on the portal frame, form the space that is used for placing the jack in the location mantle, the opening that supplies the jack to put into is offered to the through-hole that the piston rod that supplies the jack passed, the other end of location mantle is offered to the one end of location mantle, be provided with on the location mantle and be used for going on the jack fixed locking Assembly. This application has the effect that conveniently demolish the stave.

Description

Device and method for quickly removing copper cooling wall in residual iron discharging construction of blast furnace

Technical Field

The application relates to the technical field of smelting engineering, in particular to a device and a method for quickly removing a copper cooling wall in residual iron discharging construction of a blast furnace.

Background

The blast furnace is an arrangement for smelting steel and iron, which is made by using a steel plate as a furnace shell and building a refractory brick lining in the shell. Generally, after the stave of the blast furnace reaches the end of its service life, the stave needs to be removed from the blast furnace and replaced. Because the furnace shell and the cooling wall of the blast furnace are integrally and fixedly formed after long-term use, if no special device for removing the waste cooling wall is provided, the time limit for a project is often delayed due to the inconvenience of removing the waste cooling wall, and huge economic loss is also caused.

Disclosure of Invention

In order to conveniently remove the cooling wall, the application provides a device and a method for quickly removing the copper cooling wall in the residual iron placing construction of the blast furnace.

First aspect, the application provides a device is demolishd fast to copper cooling wall in residual iron construction is put to blast furnace, adopts following technical scheme:

the utility model provides a device is demolishd fast to copper cooling stave in incomplete iron construction is put to blast furnace, includes the support, is used for fixing portal frame on the blast furnace and sets up the jack on portal frame, it is provided with the wheel to rotate on the support, it is provided with the workstation to slide on the support, be provided with the actuating mechanism who is used for driving the workstation lift on the support, the fixed location mantle that is provided with on the portal frame, form the space that is used for placing the jack in the location mantle, the opening that supplies the jack to put into is seted up to the through-hole that the piston rod of jack passed, the other end of location mantle is seted up to the one end of location mantle, be provided with on the location mantle and be used for going on fixed locking Assembly to the jack.

Through adopting above-mentioned technical scheme, the setting of wheel has made things convenient for the position of removal support for the support is close to the blast furnace more, has made things convenient for staff's operation. The workbench is driven to rise through the driving mechanism, so that the worker can be driven to the position where the cooling wall needs to be detached, and the portal frame can be conveniently welded on the blast furnace by the worker. The staff places the jack in the location shell, uses locking Assembly to fix the jack. And then starting the jack, enabling a piston rod of the jack to abut against the pipeline joint of the cooling wall, pushing the cooling wall, and enabling the cooling wall to fall into the blast furnace.

Optionally, a guide rod is fixedly arranged on the support, a guide pipe is fixedly arranged on the workbench, and the guide pipe is sleeved on the guide rod.

Through adopting above-mentioned technical scheme, the workstation is when removing, and the stand pipe is followed the guide bar and is removed, has played the effect of direction to the workstation for the workstation is more steady when removing.

Optionally, the driving mechanism includes a rotating shaft rotatably arranged on the support, a chain wheel fixedly arranged on the rotating shaft, a chain meshed on the chain wheel, a balancing weight slidably arranged on the support and a power assembly for driving the rotating shaft to rotate, one end of the chain is fixed to the workbench, and the other end of the chain is fixed to the balancing weight.

Through adopting above-mentioned technical scheme, power component can drive the pivot and rotate, and the pivot is driving the sprocket and is rotating, can drive the chain and remove when the sprocket rotates for the chain drives the workstation and realizes the lift removal from top to bottom. The setting of balancing weight for the chain can be more firm with the sprocket meshing, and when the sprocket rotates, the chain is difficult for droing from the sprocket.

Optionally, the power assembly includes a brake motor and a speed reducer which are fixedly arranged on the support, a driving pulley which is fixedly arranged on an output shaft of the speed reducer, a driven pulley which is fixedly arranged on the rotating shaft, and a transmission belt which is arranged between the driving pulley and the driven pulley.

Through adopting above-mentioned technical scheme, brake motor passes through the reduction gear and is driving the driving pulley rotation, and driving pulley is driving driven pulleys through the drive belt and is rotating, and driven pulleys are driving the pivot and are rotating.

Optionally, the transmission belt is a synchronous belt, and the driving pulley and the driven pulley are synchronous pulleys.

By adopting the technical scheme, the synchronous belt transmission mode has the advantages of stable transmission, high transmission precision, high transmission efficiency and wide speed ratio range. The driving belt wheel and the driven belt wheel are driven by a driving belt, so that the phenomenon of sliding cannot occur during working.

Optionally, a guide block is fixedly arranged on the support along the vertical direction, a guide groove matched with the guide block is formed in the balancing weight, and the guide block is connected with the guide groove in a sliding manner.

Through adopting above-mentioned technical scheme, guide block and guide way sliding connection are in the same place for the balancing weight is when lift removal, and is more steady.

Optionally, the locking assembly comprises a baffle plate arranged on the portal frame in a sliding mode and a spring for pushing the baffle plate to move, one end of the spring is fixed to the portal frame, the other end of the spring is fixed to the baffle plate, and when the spring is in an original length state, the opening can be completely closed and abutted to the jack by the baffle plate.

Through adopting above-mentioned technical scheme, when placing the jack, remove the baffle for the opening is opened. After the jack is placed in the positioning shell, the baffle moves under the action of the spring, so that the opening is closed by the baffle.

Optionally, a connecting plate attached to the outer wall of the blast furnace is fixedly arranged on the portal frame.

By adopting the technical scheme, the contact area of the portal frame and the blast furnace is increased by the connecting plate, so that the portal frame is firmer on the blast furnace.

Optionally, a reinforcing rib is fixedly arranged between the portal frame and the connecting plate.

Through adopting above-mentioned technical scheme, setting up of strengthening rib makes being connected between portal frame and the connecting plate more firm, has promoted the intensity of faying face between connecting plate and the portal frame.

In a second aspect, the application provides a method for rapidly removing a copper cooling wall in residual iron placing construction of a blast furnace, which adopts the following technical scheme:

a method for quickly removing a copper cooling wall in the construction of residual iron in a blast furnace comprises the following steps:

moving a support to a position close to a blast furnace, and adjusting the height of a workbench to enable the workbench and a cooling wall to be disassembled to be at the same height;

secondly, cutting off the bolts and the water pipes on the outer wall of the blast furnace;

thirdly, tightly attaching a connecting plate on the portal frame to the outer wall of the blast furnace, and welding the connecting plate and the blast furnace together to ensure that the through hole of the positioning shell sleeve is right opposite to the pipeline joint of the cooling wall;

and step four, placing and fixing the jack in the positioning shell sleeve, starting the jack, enabling the piston rod to abut against the pipeline joint of the cooling wall, and pushing the cooling wall into the blast furnace.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the wheels are arranged to facilitate the position of the movable support, so that the support is closer to the blast furnace, and the operation of workers is facilitated. The workbench is driven to rise through the driving mechanism, so that the worker can be driven to the position where the cooling wall needs to be detached, and the portal frame can be conveniently welded on the blast furnace by the worker. The staff places the jack in the location shell, uses locking Assembly to fix the jack. And then starting the jack, enabling a piston rod of the jack to abut against the pipe joint of the cooling wall, pushing the cooling wall, and enabling the cooling wall to fall into the blast furnace.

2. The contact area of the portal frame and the blast furnace is increased due to the arrangement of the connecting plate, so that the portal frame is firmer on the blast furnace.

Drawings

Fig. 1 is a schematic view of the overall structure of a stent according to an embodiment of the present application.

Fig. 2 is a schematic overall structure diagram of a gantry according to an embodiment of the present application.

Fig. 3 is a schematic view of another angle structure of the gantry in the embodiment of the present application.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 1.

Reference numerals: 1. a support; 11. a wheel; 12. a guide bar; 13. a guide block; 2. a gantry; 21. positioning the shell sleeve; 22. a connecting plate; 23. reinforcing ribs; 3. a jack; 4. a work table; 41. a guide tube; 51. a rotating shaft; 52. a sprocket; 53. a chain; 54. a counterweight block; 541. a guide groove; 55. braking the motor; 56. a speed reducer; 57. a driving pulley; 58. a driven pulley; 59. a transmission belt; 61. a baffle plate; 62. a spring; 71. a limiting plate; 72. and (4) clamping the plate.

Detailed Description

The technical solutions in the present application will be described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses a device for quickly removing a copper cooling wall in the construction of putting residual iron into a blast furnace. Referring to fig. 1 and 2, the device for quickly removing the copper cooling wall in the construction of putting the residual iron in the blast furnace comprises a bracket 1, a portal frame 2 fixedly arranged on the blast furnace and a jack 3 arranged on the portal frame 2. Wherein, the portal frame 2 needs the staff to weld on the outer wall of the blast furnace. Wheels 11 are rotatably arranged at the bottom end of the support 1, so that a worker can conveniently move the position of the support 1, and the support 1 is close to the position of the blast furnace where the cooling wall needs to be removed. The workbench 4 is arranged on the support 1 in a sliding mode, the driving mechanism used for driving the workbench 4 to move up and down is arranged on the support 1, the worker can be conveniently lifted to the position with the same height as the cooling wall needing to be detached, and therefore the worker can operate and construct more conveniently.

Referring to fig. 2 and 3, a positioning housing 21 is fixedly disposed on the gantry 2, and a space for placing the jack 3 is formed in the positioning housing 21. A through hole for a piston rod of the jack 3 to pass through is formed in one end, close to the blast furnace, of the positioning shell 21, and an opening for the jack 3 to be placed into is formed in the other end of the positioning shell 21, so that a worker can place the jack 3 into the positioning shell 21 from the opening. The piston rod of the jack 3 can pass through the through hole and extend outwards. The positioning shell 21 is provided with a gap for the inlet pipe and the outlet pipe of the jack 3 to enter and exit.

When the portal frame 2 is welded, the positioning shell 21 is aligned with the pipeline joint of the cooling wall, so that the piston rod can be abutted against the pipeline joint, the piston rod extends out to push the cooling wall towards the interior of the blast furnace, and the cooling wall falls off from the inner wall of the blast furnace. A locking assembly for fixing jack 3 is provided on positioning shell 21, so that jack 3 can be held firmly within positioning shell 21.

Referring to fig. 1, guide rods 12 are fixedly disposed at four corners of a bracket 1, and the guide rods 12 are vertically disposed. Guide tubes 41 matched with the guide rods 12 are fixedly arranged at four corners of the workbench 4, and the guide tubes 41 are sleeved on the guide rods 12, so that the workbench 4 can vertically lift along the guide rods 12. The guide rod 12 and the guide pipe 41 play a certain guiding role in the movement of the workbench 4, so that the workbench 4 is more stable in lifting movement.

Referring to fig. 1, the driving mechanism includes a rotating shaft 51 rotatably disposed at the top end of the bracket 1, chain wheels 52 fixedly disposed at two ends of the rotating shaft 51, a chain 53 engaged with the chain wheels 52, a weight 54 slidably disposed on the bracket 1, and a power assembly for driving the rotating shaft 51 to rotate. Wherein, actuating mechanism is provided with two sets ofly, and two sets ofly set up respectively in support 1's both sides, can make workstation 4's atress more balanced for workstation 4 is more steady when moving under actuating mechanism's drive, and difficult emergence is crooked.

Referring to fig. 1, one end of the chain 53 is fixedly connected to the working platform 4, and the other end of the chain 53 is fixedly connected to the weight block 54. The two chains 53 are respectively disposed at two ends of the weight block 54, so that the weight block 54 is more balanced in stress. The counterweight 54 can balance the worktable 4 to a certain extent, so that the stress of the worktable 4 is more even. Meanwhile, the counterweight block 54 is arranged to enable the chain 53 to be better meshed with the chain wheel 52.

Referring to fig. 1, the power assembly includes a brake motor 55 fixedly disposed on the support 1, a reducer 56 fixedly disposed on the support 1, a driving pulley 57 fixedly disposed on an output shaft of the reducer 56, a driven pulley 58 fixedly disposed on the rotating shaft 51, and a transmission belt 59 disposed between the driving pulley 57 and the driven pulley 58. The power output by the brake motor 55 passes through the speed reducer 56 and then drives the driving pulley 57 to rotate, the driving pulley 57 drives the driven pulley 58 to rotate through the transmission belt 59, and the driven pulley 58 drives the rotating shaft 51 to rotate.

Wherein, brake motor 55 can realize the braking for workstation 4 can stop in arbitrary high department, has made things convenient for the staff to dismantle the stave of not co-altitude department.

The transmission belt 59 is provided as a timing belt, and the driving pulley 57 and the driven pulley 58 are provided as timing pulleys that match the output transmission belt 59. Synchronous belt drive is more steady, does not have the slip phenomenon at the during operation, and the drive ratio is accurate invariable.

Referring to fig. 1 and 4, guide blocks 13 are fixedly disposed along a vertical direction on two sides of the bracket 1, and guide grooves 541 matched with the guide blocks 13 are disposed on two sides of the counterweight block 54. Wherein, the guide groove 541 and the guide block 13 are connected together in a sliding manner, so that the counterweight block 54 is more stable during the lifting movement.

Referring to fig. 3, the locking assembly includes a blocking plate 61 slidably disposed on the gantry 2 and a spring 62 for pushing the blocking plate 61 to move. Limiting plates 71 are fixedly arranged on the portal frame 2 at two sides of the opening, and planes where the two limiting plates 71 are arranged are parallel to each other. A space for placing the baffle 61 is formed between the two retainer plates 71, so that the two retainer plates 71 abut against both sides of the baffle 61, respectively.

Referring to fig. 2 and 3, a holding plate 72 is fixedly disposed on the position-limiting plate 71, and a plane of the holding plate 72 is perpendicular to a plane of the position-limiting plate 71. The two clamping plates 72 extend towards the direction of approaching each other, the clamping plates 72 abut against the baffle 61, and the baffle 61 is pressed on the portal frame 2, so that the baffle 61 is tightly attached to the portal frame 2. Under the action of the stopper plate 71 and the holding plate 72, the shutter 61 is more stable in movement.

Referring to fig. 3, one end of the spring 62 is fixedly connected to the baffle 61, and the other end of the spring 62 is fixedly connected to the gantry 2. When the spring 62 is in the original length state, the baffle 61 can move to completely close the opening, and the baffle 61 abuts against the jack 3 to fix the jack 3 in the positioning shell 21.

When the piston rod of the jack 3 extends out, the baffle 61 can be abutted against the jack 3, so that the jack 3 is kept firm, and the jack 3 is supported.

Referring to fig. 2 and 3, connection plates 22 attached to the outer wall of the blast furnace are fixedly provided at both ends of the gantry 2. When the portal frame 2 is installed, the connecting plate 22 is closely attached to the outer wall of the blast furnace, and then the connecting plate 22 is welded to the blast furnace. During welding, the positioning shell 21 is aligned with the pipe connection of the stave. The arrangement of the connecting plate 22 increases the contact area with the blast furnace, so that the portal frame 2 is firmer on the blast furnace.

Referring to fig. 2 and 3, in order to improve the firmness between the connection plate 22 and the portal frame 2, a reinforcing rib 23 is fixedly arranged between the connection plate 22 and the portal frame 2. The reinforcing ribs 23 can improve the strength of a joint surface between the connecting plate 22 and the portal frame 2, so that the portal frame 2 is not easy to incline on the blast furnace.

The embodiment of the application also discloses a method for quickly removing the copper cooling wall in the residual iron discharging construction of the blast furnace, which comprises the following operation steps:

step one, pushing the bracket 1, and moving the bracket 1 to a position where the cooling wall needs to be disassembled. The table 4 is lowered to the minimum and the operator places the gantry 2, the jack 3, the cutting and welding tools all on the table 4. The brake motor 55 is activated to raise the table 4 to the same height as the stave to be dismantled.

And step two, cutting off the cooling wall bolt and the connecting water pipe on the outer wall of the blast furnace by using a cutting tool.

And step three, tightly attaching the connecting plate 22 on the portal frame 2 to the outer wall of the blast furnace, and adjusting the position of the portal frame 2 to align the through hole on the positioning shell 21 with the pipeline joint of the cooling wall. The connection plate 22 is welded to the outer wall of the blast furnace using a welding tool.

And step four, moving the baffle 61 to open the opening of the positioning shell 21, and putting the jack 3 into the positioning shell 21 from the opening. The shutter 61 is moved by the action of the spring 62 to close the opening and bear against the jack 3. The jack 3 is started, the piston rod of the jack 3 extends out and is abutted against the pipeline joint of the cooling wall, so that the cooling wall is separated from the blast furnace and falls into the blast furnace.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a device is demolishd fast to copper cooling wall in incomplete indisputable construction is put to blast furnace which characterized in that: including support (1), be used for fixing portal frame (2) on the blast furnace and jack (3) of setting on portal frame (2), it is provided with wheel (11) to rotate on support (1), it is provided with workstation (4) to slide on support (1), be provided with the actuating mechanism who is used for driving workstation (4) to go up and down on support (1), fixed location mantle (21) that is provided with on portal frame (2), form the space that is used for placing jack (3) in location mantle (21), the opening that supplies jack (3) to put into is seted up to the through-hole that the piston rod that supplies jack (3) to pass, the other end of location mantle (21) is seted up to the one end of location mantle (21), be provided with on location mantle (21) and be used for fixing to jack (3) locking Assembly, locking Assembly is including sliding setting up baffle (61) on portal frame (2) and the bullet that promotes baffle (61) and remove And one end of the spring (62) is fixed with the portal frame (2), the other end of the spring (62) is fixed with the baffle (61), and when the spring (62) is in an original long state, the baffle (61) can completely seal the opening and abut against the jack (3).

2. The device for quickly removing the copper cooling wall in the construction of putting the residual iron in the blast furnace according to claim 1 is characterized in that: the guide rod (12) is fixedly arranged on the support (1), the guide pipe (41) is fixedly arranged on the workbench (4), and the guide rod (12) is sleeved with the guide pipe (41).

3. The device for quickly removing the copper cooling wall in the construction of putting the residual iron in the blast furnace according to claim 1 is characterized in that: the driving mechanism comprises a rotating shaft (51) rotatably arranged on the support (1), a chain wheel (52) fixedly arranged on the rotating shaft (51), a chain (53) meshed on the chain wheel (52), a balancing weight (54) slidably arranged on the support (1) and a power assembly for driving the rotating shaft (51) to rotate, wherein one end of the chain (53) is fixed to the workbench (4), and the other end of the chain (53) is fixed to the balancing weight (54).

4. The device for quickly removing the copper cooling wall in the residual iron placing construction of the blast furnace as claimed in claim 3, characterized in that: the power assembly comprises a brake motor (55) and a speed reducer (56) which are fixedly arranged on the support (1), a driving belt wheel (57) which is fixedly arranged on an output shaft of the speed reducer (56), a driven belt wheel (58) which is fixedly arranged on the rotating shaft (51), and a transmission belt (59) which is arranged between the driving belt wheel (57) and the driven belt wheel (58).

5. The device for quickly removing the copper cooling wall in the construction of putting the residual iron in the blast furnace according to claim 4 is characterized in that: the transmission belt (59) is a synchronous belt, and the driving pulley (57) and the driven pulley (58) are synchronous pulleys.

6. The device for quickly removing the copper cooling wall in the construction of putting the residual iron in the blast furnace according to claim 3 is characterized in that: the support is characterized in that a guide block (13) is fixedly arranged on the support (1) along the vertical direction, a guide groove (541) matched with the guide block (13) is formed in the balancing weight (54), and the guide block (13) is connected with the guide groove (541) in a sliding mode.

7. The device for quickly removing the copper cooling wall in the construction of putting the residual iron in the blast furnace according to claim 1 is characterized in that: and a connecting plate (22) which is attached to the outer wall of the blast furnace is fixedly arranged on the portal frame (2).

8. The device for quickly removing the copper cooling wall in the residual iron placing construction of the blast furnace as claimed in claim 7, wherein: and a reinforcing rib (23) is fixedly arranged between the portal frame (2) and the connecting plate (22).

9. A method for quickly removing a copper cooling wall in the construction of residual iron in a blast furnace is characterized by comprising the following steps:

step one, moving the bracket (1) to a position close to a blast furnace, and adjusting the height of the workbench (4) to enable the workbench (4) and a cooling wall needing to be disassembled to be at the same height;

thirdly, tightly attaching a connecting plate (22) on the portal frame (2) to the outer wall of the blast furnace, and welding the connecting plate (22) and the blast furnace together to enable the through hole of the positioning shell sleeve (21) to be right opposite to the pipeline joint of the cooling wall;

and step four, placing and fixing the jack (3) in the positioning shell sleeve (21), starting the jack (3), enabling the piston rod to abut against the pipeline joint of the cooling wall, and pushing the cooling wall into the blast furnace.