CN115977363B - Operating bench for repairing water-cooled furnace cover of refining furnace - Google Patents
Operating bench for repairing water-cooled furnace cover of refining furnace Download PDFInfo
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- CN115977363B CN115977363B CN202211618175.XA CN202211618175A CN115977363B CN 115977363 B CN115977363 B CN 115977363B CN 202211618175 A CN202211618175 A CN 202211618175A CN 115977363 B CN115977363 B CN 115977363B
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- construction platform
- cover
- sleeve
- water
- shielding cover
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- 238000007670 refining Methods 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 claims abstract description 57
- 241000282326 Felis catus Species 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 238000005096 rolling process Methods 0.000 claims description 16
- 230000001681 protective effect Effects 0.000 claims description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims 1
- 239000000498 cooling water Substances 0.000 abstract description 11
- 238000001816 cooling Methods 0.000 abstract description 8
- 238000003466 welding Methods 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 5
- 239000002893 slag Substances 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 230000009193 crawling Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Vertical, Hearth, Or Arc Furnaces (AREA)
- Furnace Details (AREA)
Abstract
The invention provides an operation bench for repairing a water-cooled furnace cover of a refining furnace, wherein a bottom plate is connected with a construction platform through a vertically arranged sleeve, and the construction platform is provided with a mounting hole communicated with the sleeve; the sleeves are uniformly arranged at intervals; the lower part of the shielding cover is connected with a stand column in sliding fit with the sleeve, and the stand column penetrates through a mounting hole on the construction platform and is mounted in the sleeve; the upright posts are uniformly arranged at intervals; the sleeve is provided with a first connecting hole, the upright post is provided with a second connecting hole, and a plurality of first connecting holes and second connecting holes are uniformly arranged at intervals along the vertical direction; the sleeve is locked with the upright post through a locking piece; a jacking device is arranged below the shielding cover and drives the shielding cover to move up and down; the construction platform is provided with a window for personnel to pass through, and a cat ladder which is correspondingly arranged with the window is arranged between the bottom plate and the construction platform. The welding repair and cleaning operation of workers on the pipe wall of the cooling water pipe positioned on the inner side of the water-cooling furnace cover is safer.
Description
Technical Field
The invention belongs to the technical field of repair auxiliary devices for water-cooled furnace covers of refining furnaces, and particularly relates to an operation bench for repairing a water-cooled furnace cover of a refining furnace.
Background
The LF refining furnace water-cooled furnace cover is a downward opening cover-shaped structure formed by surrounding a circle of cooling water pipes. After long-time use, the water-cooled furnace cover is subjected to intermittent cold and hot alternate stimulation in the production process, fatigue cracks are easy to appear on the pipe wall of the cooling water pipe positioned on the inner side of the water-cooled furnace cover, so that the pipe is cracked and leaked, the production efficiency is seriously affected, and great potential safety hazards exist. Meanwhile, steel slag in the refining furnace is easy to splash and adhere to the pipe wall of a cooling water pipe in the water-cooling furnace cover.
The workers weld repair and clean the cooling water pipe wall positioned on the inner side of the water-cooling furnace cover, and after the temperature of the electrodes is reduced to the safe temperature, the workers set up a crawling ladder and stand on the crawling ladder to weld repair and clean the cooling water pipe wall positioned on the inner side of the water-cooling furnace cover. Or after the electrode which passes through the top wall of the water-cooled furnace cover is lifted off, a worker establishes a crawling ladder and stands on the crawling ladder to repair and clean the pipe wall of the cooling water pipe which is positioned on the inner side of the water-cooled furnace cover. During operation, the large steel slag falling off from the top of the inner wall of the water-cooled furnace cover is easy to crush workers, and has great potential safety hazards. In either the case where the temperature of the electrode is lowered to a safe temperature or the case where the electrode is lifted off, a long time is required, and there is a problem in that the operation efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of providing an operation bench for repairing a water-cooled furnace cover of a refining furnace, which ensures that workers are safer when carrying out welding repair and cleaning operation on the pipe wall of a cooling water pipe positioned on the inner side of the water-cooled furnace cover.
The technical scheme adopted for solving the technical problems is as follows: the operation bench for repairing the water-cooled furnace cover of the refining furnace comprises a bottom plate, a construction platform and a shielding cover which are arranged from bottom to top at intervals;
the bottom plate is connected with the construction platform through a vertically arranged sleeve, and the construction platform is provided with a mounting hole communicated with the sleeve; the sleeves are uniformly arranged at intervals;
the lower part of the shielding cover is connected with an upright post which is in sliding fit with the sleeve, and the upright post penetrates through a mounting hole on the construction platform and is mounted in the sleeve; the upright posts are uniformly arranged at intervals;
the sleeve is provided with a first connecting hole, the upright post is provided with a second connecting hole, and a plurality of first connecting holes and second connecting holes are uniformly arranged at intervals along the vertical direction; the sleeve is locked with the upright post through a locking piece;
a jacking device is arranged below the shielding cover and drives the shielding cover to move up and down;
the construction platform is provided with a window for personnel to pass through, and a cat ladder which is arranged corresponding to the window is arranged between the bottom plate and the construction platform.
Further, a through hole for the jacking device to pass through is formed in the construction platform, and the jacking device is connected with the construction platform through a connecting piece.
Further, the jacking device is a hydraulic cylinder.
Further, the connecting piece comprises a U-shaped seat with an upward opening; the U-shaped seat is positioned below the construction platform;
one side arm of the U-shaped seat is connected with the lower surface of the construction platform, and the other side arm is connected with a trunnion on the cylinder body of the hydraulic cylinder.
Further, the shielding cover comprises a shell and a water pipe arranged in the inner cavity of the shell; the water pipe is arranged in a winding way on the horizontal plane; the water inlet and the water outlet of the water pipe extend out of the shell.
Further, the device also comprises an annular guide rail and a rolling trolley;
the annular guide rail is arranged adjacent to the shielding cover and is positioned below the shielding cover; the annular guide rail is connected with the shielding cover through a connecting block; the annular guide rail is arranged along the periphery of the shielding cover;
the rollers of the rolling trolley are in rolling fit with the annular guide rail;
the roller seat of the rolling trolley is connected with a barrel body, and the opening of the barrel body is upward and positioned at the outer side of the shielding cover.
Further, the device also comprises a transportation trolley, and the bottom plate is fixedly arranged on the table top of the transportation trolley.
Further, a first protective guard is arranged on the periphery of the bottom plate, and a second protective guard is arranged on the periphery of the construction platform.
Further, an openable cover plate is arranged at the window.
Further, the periphery of shielding lid is provided with vertical arrangement's annular baffle, annular baffle is located shielding lid's top.
Compared with the prior art, the invention has the beneficial effects that: the invention provides an operation bench for repairing a water-cooled furnace cover of a refining furnace, which ensures that workers are safer when carrying out welding repair and cleaning operation on the pipe wall of a cooling water pipe positioned on the inner side of the water-cooled furnace cover. The steel slag falling off from the top of the inner wall of the water-cooled furnace cover falls on the shielding cover, so that the workers are prevented from being injured by the smashing. The shielding cover also plays a role in heat insulation, workers do not need to enter the field again after the electrodes are cooled, time is saved, efficiency is improved, and safety and reliability are achieved. The steel slag cleaned from the inner side of the water-cooled furnace cover falls into the barrel body.
Drawings
FIG. 1 is a front view of the invention below the water cooled furnace cover of a refining furnace;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a schematic top view of the construction platform of the present invention;
FIG. 4 is a schematic illustration of the location of a water tube of the present invention;
FIG. 5 is an enlarged view of section A of the present invention;
FIG. 6 is an enlarged view of section B of the present invention;
reference numerals: 1-a bottom plate; 2-a construction platform; 201-mounting holes; 202-window; 203-a through hole; 3-a shielding cover; 301-a water pipe; 302-water inlet; 303-a water outlet; 304-an annular baffle; 4-sleeve; 401-first connection holes; 5-stand columns; 501-a second connection hole; 6-climbing a ladder; 7-jacking device; 8-trunnion; 9-U-shaped seats; 10-a first guard rail; 11-a second guard rail; 12-a transportation trolley; 13-a water-cooling furnace cover; 14-electrodes; 15-an annular guide rail; 16-connecting blocks; 17-a rolling trolley; 18-a barrel body; 19-mounting a tube.
Detailed Description
The invention will be further described with reference to the drawings and examples.
The operation bench for repairing the water-cooled furnace cover of the refining furnace comprises a bottom plate 1, a construction platform 2 and a shielding cover 3 which are arranged from bottom to top at intervals; the base plate 1 is connected with the construction platform 2 through a vertically arranged sleeve 4, and the construction platform 2 is provided with a mounting hole 201 communicated with the sleeve 4; the sleeves 4 are uniformly arranged at intervals; a stand column 5 in sliding fit with the sleeve 4 is connected below the shielding cover 3, and the stand column 5 passes through a mounting hole 201 on the construction platform 2 and is mounted in the sleeve 4; the upright posts 5 are uniformly arranged at intervals; the sleeve 4 is provided with a first connecting hole 401, the upright 5 is provided with a second connecting hole 501, and the first connecting hole 401 and the second connecting hole 501 are uniformly arranged at intervals along the vertical direction; the sleeve 4 is locked with the upright post 5 through a locking piece; a jacking device 7 is arranged below the shielding cover 3, and the jacking device 7 drives the shielding cover 3 to move up and down; a window 202 for personnel to pass through is formed in the construction platform 2, and a ladder stand 6 which is arranged corresponding to the window 202 is arranged between the bottom plate 1 and the construction platform 2.
The plurality of sleeves 4 together play a role in supporting the construction platform 2. The upper end of the upright post 5 is connected with the lower surface of the shielding cover 3, and the upright post 5 passes through the mounting hole 201 to be in sliding fit with the sleeve 4, so as to play a role in guiding the up-and-down movement of the shielding cover 3. The invention is integrally moved below the water-cooled furnace cover 13, and the jacking device 7 drives the shielding cover 3 to move up and down, so that the shielding cover 3 is positioned at a proper height and shields the electrode 14. And then the upright post 5 and the sleeve 4 are locked by a locking piece. The first connecting holes 401 and the second connecting holes 501 are uniformly spaced along the vertical direction, and when the shielding cover 3 is located at different heights, the sleeve 4 and the upright 5 are locked by the locking member. The shielding cover 3 is positioned in the water-cooled furnace cover 13, and a certain gap is formed between the edge of the shielding cover 3 and the inner side of the water-cooled furnace cover 13, wherein the gap is about 100mm. During operation, the distance between the construction platform 2 and the shielding cover 3 and the distance between the bottom plate 1 and the construction platform 2 should be ensured not to influence the standing of workers. The worker can go up to the construction platform 2 via the ladder stand 6 and the window 202. Workers stand on the edge of the construction platform 2 to carry out welding repair and cleaning operation on the inner side of the water-cooled furnace cover 13. The steel slag falling off from the top of the inner wall of the water-cooling furnace cover 13 falls on the shielding cover 3, plays a role in protecting workers, and ensures that the workers are safer when carrying out welding repair and cleaning operation on the pipe wall of the cooling water pipe positioned on the inner side of the water-cooling furnace cover 13.
The locking member may be a latch or bolt.
The connection of the sleeve 4 has various embodiments:
in the first embodiment, the upper end of the sleeve 4 is welded with the construction platform 2, and the lower end is welded with the bottom plate 1.
In the second embodiment, a ring plate is arranged on the periphery of the upper end of the sleeve 4, and the ring plate is welded with the construction platform 2 or connected with the construction platform through bolts; the lower end of the sleeve 4 is connected with an end plate, and the end plate is connected with the bottom plate 1 by welding or by bolts.
The installation of the jacking device 7 has various embodiments:
in the first embodiment, the jacking device 7 is installed on the construction platform 2.
In the second embodiment, the jacking device 7 is installed on the base plate 1, and the construction platform 2 is provided with a through hole 203 through which the jacking device 7 passes.
In the third embodiment, the construction platform 2 is provided with a through hole 203 through which the jacking device 7 passes, and the jacking device 7 is connected with the construction platform 2 through a connecting piece. The connecting piece provides a connecting support for the jacking device 7 and the construction platform 2.
The jacking device 7 is a cylinder or a hydraulic cylinder, a piston rod of the cylinder is connected with the lower surface of the shielding cover 3, or a piston rod of the hydraulic cylinder is connected with the lower surface of the shielding cover 3. Preferably, the piston rod of the cylinder or the piston rod of the hydraulic cylinder is connected to the center of the shielding cover 3.
The connecting piece has multiple structural style, only need guarantee cylinder or pneumatic cylinder's stable installation can. Preferably, the connecting piece comprises a U-shaped seat 9 with an upward opening; the U-shaped seat 9 is positioned below the construction platform 2; one side arm of the U-shaped seat 9 is connected with the lower surface of the construction platform 2, and the other side arm is connected with a trunnion 8 on the cylinder body of the hydraulic cylinder. The trunnion 8 is a structure with a hydraulic cylinder body, and the U-shaped seat 9 plays a role in connecting the construction platform 2 and the trunnion 8. The U-shaped seat 9 can be an integrally formed integral structure, and can also be formed by connecting two L-shaped supports.
Because the electrode 14 is operated at a higher temperature, workers need to wait for a shutdown and then cool the electrode 14 to a safe temperature and enter the field. However, the electrode 14 needs a long time to be cooled, and in order to improve the operation efficiency, it is preferable that the shielding cover 3 includes a housing, and a water pipe 301 installed in an inner cavity of the housing; the water pipe 301 is arranged in a meandering manner on a horizontal plane; the water inlet 302 and the water outlet 303 of the water pipe 301 extend out of the shell. By arranging the water pipe 301 in the shell of the shielding cover 3, the water inlet 302 and the water outlet 303 are both connected with external pipelines, cold water is introduced into the water pipe 301 through the water inlet 302 by the external pipelines and flows out from the water outlet 303 to the other external pipeline, so that the cold water is always introduced into the water pipe 301 during operation. Preferably, both the water inlet 302 and the water outlet 303 are located below the housing. When the shielding cover 3 is close to the electrode 14, the cooling of the shell can be realized, and the workers are prevented from being scalded. The electrode 14 does not need to be cooled, and workers enter the field again, so that the time is saved, the efficiency is improved, and the safety and reliability are realized.
In order to facilitate the collection of the steel slag cleaned from the inner side of the water-cooled furnace cover 13, the device also comprises an annular guide rail 15 and a rolling trolley 17; the annular guide rail 15 is arranged adjacent to the shielding cover 3 and is positioned below the shielding cover 3; the annular guide rail 15 is connected with the shielding cover 3 through a connecting block 16; the annular guide rail 15 is arranged along the outer periphery of the shielding cover 3; the rollers of the rolling trolley 17 are in rolling fit with the annular guide rail 15; the roller seat of the rolling trolley 17 is connected with a barrel 18, and an opening of the barrel 18 is upward and positioned at the outer side of the shielding cover 3. The rolling trolley 17 is of a structure in the prior art, and rollers of the rolling trolley 17 are arranged on roller seats through rotating shafts. The barrel 18 with the upward opening is connected with the roller seat for installation. The roller seat is preferably of a U-shaped structure. The barrel 18 is positioned between the shielding cover 3 and the construction platform 2, and the barrel 18 can move around the periphery of the shielding cover 3 through the cooperation of the rolling trolley 17 and the annular guide rail 15. In actual use, the barrel 18 is positioned below the bottom of the water-cooled furnace cover 13, the opening of the barrel 18 is correspondingly arranged with the inner side of the water-cooled furnace cover 13, and the steel slag cleaned from the inner side of the water-cooled furnace cover 13 falls into the barrel 18. The upper portion of staving 18 lateral wall is connected with the mounting tube 19 that is linked together with the inner chamber of staving 18, with the hose grafting on mounting tube 19, the hose is kept away from the one end of mounting tube 19 and is connected with the dust catcher, clear up the slag in the staving 18 fast through starting the dust catcher.
For convenient movement, it is preferable to further comprise a transportation trolley 12, and the bottom plate 1 is fixedly mounted on the table top of the transportation trolley 12. The transport trolley 12 is preferably a ladle car or a flatbed. The ladle car or the flatbed is the structure in the prior art.
Preferably, a first guard rail 10 is installed on the outer periphery of the base plate 1, and a second guard rail 11 is installed on the outer periphery of the construction platform 2. By providing the first guard rail 10 and the second guard rail 11, work safety is improved.
Preferably, an openable cover plate is installed at the window 202. The cover plate is opened to enable a worker to go up to the construction platform 2 through the window 202. After the worker is put on the construction platform 2, the cover plate is closed, so that the worker is prevented from falling from the window 202, and the operation safety is improved. The installation of apron is prior art, and one end and construction platform 2's upper surface pass through the hinge and link to each other, and the other end overlap joint is on construction platform 2 for the apron.
Preferably, the periphery of the shielding cover 3 is provided with a vertically arranged annular baffle 304, and the annular baffle 304 is located above the shielding cover 3. By providing the annular baffle 304, the steel slag can be prevented from falling from the shielding cover 3. The annular baffle 304 is connected to the housing of the blanking cover 3.
The concrete implementation mode of the invention is that the operation bench for repairing the water-cooled furnace cover of the refining furnace is provided by the invention, so that workers can safely repair and clean the pipe wall of the cooling water pipe positioned at the inner side of the water-cooled furnace cover. The steel slag falling off from the top of the inner wall of the water-cooled furnace cover falls on the shielding cover, so that the workers are prevented from being injured by the smashing. The shielding cover also plays a role in heat insulation, workers do not need to enter the field again after the electrodes are cooled, time is saved, efficiency is improved, and safety and reliability are achieved. The steel slag cleaned from the inner side of the water-cooled furnace cover falls into the barrel body.
Claims (9)
1. Repair operation rack of refining stove water-cooled bell, its characterized in that: comprises a bottom plate (1), a construction platform (2) and a shielding cover (3) which are arranged from bottom to top at intervals;
the base plate (1) is connected with the construction platform (2) through a sleeve (4) which is vertically arranged, and the construction platform (2) is provided with a mounting hole (201) communicated with the sleeve (4); the sleeves (4) are uniformly arranged at intervals;
the lower part of the shielding cover (3) is connected with an upright post (5) which is in sliding fit with the sleeve (4), and the upright post (5) passes through a mounting hole (201) on the construction platform (2) and is mounted in the sleeve (4); the upright posts (5) are uniformly arranged at intervals;
the sleeve (4) is provided with a first connecting hole (401), the upright post (5) is provided with a second connecting hole (501), and the first connecting hole (401) and the second connecting hole (501) are uniformly arranged at intervals along the vertical direction; the sleeve (4) is locked with the upright post (5) through a locking piece;
a jacking device (7) is arranged below the shielding cover (3), and the jacking device (7) drives the shielding cover (3) to move up and down; positioning the shielding cover (3) at a proper height and shielding the electrode (14);
a window (202) for personnel to pass through is formed in the construction platform (2), and a cat ladder (6) which is arranged corresponding to the window (202) is arranged between the bottom plate (1) and the construction platform (2);
the shielding cover (3) comprises a shell and a water pipe (301) arranged in the inner cavity of the shell; -said water pipe (301) being serpentine in a horizontal plane; the water inlet (302) and the water outlet (303) of the water pipe (301) extend out of the shell.
2. The work bench for repairing a water cooled furnace cover of a refining furnace of claim 1, wherein: the construction platform (2) is provided with a through hole (203) for the jacking device (7) to pass through, and the jacking device (7) is connected with the construction platform (2) through a connecting piece.
3. The work bench for repairing a water cooled furnace cover of a refining furnace of claim 2, wherein: the jacking device (7) is a hydraulic cylinder.
4. A work bench for repairing a water cooled furnace cover of a refining furnace as claimed in claim 3, wherein: the connecting piece comprises a U-shaped seat (9) with an upward opening; the U-shaped seat (9) is positioned below the construction platform (2);
one side arm of the U-shaped seat (9) is connected with the lower surface of the construction platform (2), and the other side arm is connected with a trunnion (8) on the cylinder body of the hydraulic cylinder.
5. The work bench for repairing a water cooled furnace cover of a refining furnace of claim 1, wherein: the device also comprises an annular guide rail (15) and a rolling trolley (17);
the annular guide rail (15) is arranged adjacent to the shielding cover (3) and is positioned below the shielding cover (3); the annular guide rail (15) is connected with the shielding cover (3) through a connecting block (16); the annular guide rail (15) is arranged along the periphery of the shielding cover (3);
the rollers of the rolling trolley (17) are in rolling fit with the annular guide rail (15);
the roller seat of the rolling trolley (17) is connected with a barrel body (18), and an opening of the barrel body (18) is upward and positioned at the outer side of the shielding cover (3).
6. The work bench for repairing a water cooled furnace cover of a refining furnace of claim 1, wherein: the device also comprises a transportation trolley (12), and the bottom plate (1) is fixedly arranged on the table top of the transportation trolley (12).
7. The work bench for repairing a water cooled furnace cover of a refining furnace of claim 1, wherein: the first protective guard (10) is installed on the periphery of the bottom plate (1), and the second protective guard (11) is installed on the periphery of the construction platform (2).
8. The work bench for repairing a water cooled furnace cover of a refining furnace of claim 1, wherein: an openable cover plate is arranged at the window (202).
9. The work bench for repairing a water cooled furnace cover of a refining furnace of claim 1, wherein: the periphery of shielding lid (3) is provided with annular baffle (304) of vertical arrangement, annular baffle (304) are located shielding lid (3) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211618175.XA CN115977363B (en) | 2022-12-15 | 2022-12-15 | Operating bench for repairing water-cooled furnace cover of refining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211618175.XA CN115977363B (en) | 2022-12-15 | 2022-12-15 | Operating bench for repairing water-cooled furnace cover of refining furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115977363A CN115977363A (en) | 2023-04-18 |
| CN115977363B true CN115977363B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211618175.XA Active CN115977363B (en) | 2022-12-15 | 2022-12-15 | Operating bench for repairing water-cooled furnace cover of refining furnace |
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| CN (1) | CN115977363B (en) |
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