CN115977363A - Operation rack for repairing water-cooled furnace cover of refining furnace - Google Patents
Operation rack for repairing water-cooled furnace cover of refining furnace Download PDFInfo
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- CN115977363A CN115977363A CN202211618175.XA CN202211618175A CN115977363A CN 115977363 A CN115977363 A CN 115977363A CN 202211618175 A CN202211618175 A CN 202211618175A CN 115977363 A CN115977363 A CN 115977363A
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- construction platform
- shielding cover
- sleeve
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- 238000007670 refining Methods 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000005096 rolling process Methods 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000002893 slag Substances 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 241000282326 Felis catus Species 0.000 description 2
- 230000009193 crawling Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 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 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention provides an operation rack 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; an upright post in sliding fit with the sleeve is connected below the shielding cover, penetrates through a mounting hole in the construction platform and is mounted in the sleeve; a plurality of upright posts are uniformly arranged at intervals; the sleeve is provided with a first connecting hole, the stand column is provided with a second connecting hole, and the first connecting hole and the second connecting hole are uniformly arranged at intervals along the vertical direction; the sleeve and the upright post are locked by 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 ladder stand arranged corresponding to the window is arranged between the bottom plate and the construction platform. The pipe wall of the cooling water pipe positioned on the inner side of the water-cooled furnace cover is welded and cleaned safely by workers.
Description
Technical Field
The invention belongs to the technical field of repair auxiliary devices of water-cooled furnace covers of refining furnaces, and particularly relates to an operation rack for repairing a water-cooled furnace cover of a refining furnace.
Background
The water-cooled furnace cover of the LF refining furnace is a cover-shaped structure with a downward opening and formed by a circle of cooling water pipe. After long-time use, the water-cooling furnace cover is stimulated by intermittent cold and heat alternation in the production process, and the pipe wall of the cooling water pipe positioned on the inner side of the water-cooling furnace cover is easy to generate fatigue cracks, so that the pipeline is cracked and leaked, the production efficiency is seriously influenced, and great potential safety hazards exist. Meanwhile, the steel slag in the refining furnace is easy to splash and adhere to the pipe wall of the cooling water pipe in the water-cooling furnace cover.
The workman welds repair, clearance operation to the condenser tube pipe wall that is located the inside water-cooling bell, in order to guarantee safety, need isoelectrode temperature to reduce to safe temperature after, the workman sets up the cat ladder again to stand and weld repair, clearance operation to the condenser tube pipe wall that is located the inside water-cooling bell on the cat ladder. Or after the electrode penetrating through the top wall of the water-cooling furnace cover is lifted, a worker sets up the crawling ladder and stands on the crawling ladder to weld and clean the pipe wall of the cooling water pipe positioned on the inner side of the water-cooling furnace cover. During operation, a worker is easily injured by a large steel slag block falling off from the top of the inner wall of the water-cooled furnace cover, and great potential safety hazards exist. In both cases where the temperature of the electrode is lowered to a safe temperature and the electrode is lifted, it takes a long time to reduce the working efficiency.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an operation rack for repairing a water-cooled furnace cover of a refining furnace, so that a worker can weld and clean the pipe wall of a cooling water pipe positioned on the inner side of the water-cooled furnace cover safely.
The technical scheme adopted by the invention for solving the technical problems is as follows: the operation rack for repairing the water-cooled furnace cover of the refining furnace comprises bottom plates, 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; a plurality of the sleeves are uniformly arranged at intervals;
an upright post in sliding fit with the sleeve is connected below the shielding cover, penetrates through a mounting hole in the construction platform and is mounted in the sleeve; a plurality of 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 the first connecting hole and the second connecting hole are uniformly arranged at intervals along the vertical direction; the sleeve and the upright post are locked 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 ladder stand arranged corresponding to the window is arranged between the bottom plate and the construction platform.
Furthermore, 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.
Furthermore, 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 of the U-shaped seat is connected with the trunnion on the hydraulic cylinder body.
Further, the shielding cover comprises a shell and a water pipe arranged in an inner cavity of the shell; the water pipe is arranged in a winding manner on a horizontal plane; the water inlet and the water outlet of the water pipe extend out of the shell.
Furthermore, 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 roller of the rolling trolley is in rolling fit with the annular guide rail;
the roller seat of the rolling trolley is connected with a barrel body, the opening of the barrel body is upward, and the barrel body is positioned at the outer side direction of the shielding cover.
Furthermore, the device also comprises a transport trolley, and the bottom plate is fixedly arranged on the table top of the transport trolley.
Furthermore, a first protective guard is installed on the periphery of the bottom plate, and a second protective guard is installed on the periphery of the construction platform.
Furthermore, an openable cover plate is installed at the window.
Furthermore, the periphery of the shielding cover is provided with a vertically arranged annular baffle plate, and the annular baffle plate is positioned above the shielding cover.
Compared with the prior art, the invention has the beneficial effects that: the invention provides an operation rack for repairing a water-cooled furnace cover of a refining furnace, which ensures that a worker can safely weld and clean 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 workers are prevented from being injured by smashing. The shielding cover also plays a role in heat insulation, workers do not need to enter the field for operation 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 present invention located below the cover of a finer water cooled 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 view of the position of the water pipe 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 are as follows: 1-a bottom plate; 2, constructing a platform; 201-mounting holes; 202-a window; 203-a via hole; 3-a shielding cover; 301-a water pipe; 302-water inlet; 303-a water outlet; 304-an annular baffle; 4-a sleeve; 401 — a first connection aperture; 5-upright column; 501-a second connection hole; 6-climbing a ladder; 7-jacking device; 8-trunnion; 9-U-shaped seat; 10-a first guard rail; 11-a second guard rail; 12-a transport trolley; 13-a water-cooled furnace cover; 14-an electrode; 15-a ring guide; 16-connecting blocks; 17-rolling the trolley; 18-a barrel body; 19-installing the tube.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
The operation rack for repairing the water-cooled furnace cover of the refining furnace comprises bottom plates 1, a construction platform 2 and a shielding cover 3 which are arranged from bottom to top at intervals; the bottom 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; a plurality of the sleeves 4 are uniformly arranged at intervals; an upright post 5 in sliding fit with the sleeve 4 is connected below the shielding cover 3, and the upright post 5 penetrates through a mounting hole 201 on the construction platform 2 and is mounted in the sleeve 4; a plurality of the upright posts 5 are uniformly arranged at intervals; a first connecting hole 401 is formed in the sleeve 4, a second connecting hole 501 is formed in the column 5, and a plurality of first connecting holes 401 and a plurality of second connecting holes 501 are uniformly arranged along the vertical direction at intervals; the sleeve 4 and the upright post 5 are locked 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; the construction platform 2 is provided with a window 202 for personnel to pass through, and a ladder 6 arranged corresponding to the window 202 is arranged between the bottom plate 1 and the construction platform 2.
The sleeves 4 together serve to support the construction platform 2. The upper end of stand 5 links to each other with the lower surface that shelters from lid 3, and stand 5 passes mounting hole 201 and sleeve 4 sliding fit, plays the effect of direction to the up-and-down motion that shelters from lid 3. The whole device is moved to the position below the water-cooled furnace cover 13, 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 the upright post 5 is locked with the sleeve 4 through a locking piece. First connecting hole 401 all is provided with a plurality ofly along the even interval of vertical direction with second connecting hole 501, when sheltering from lid 3 and being located not co-altitude, locks sleeve 4 and stand 5 through the retaining member. The shielding cover 3 is positioned in the water-cooled furnace cover 13, and the edge of the shielding cover 3 has a certain clearance with the inner side of the water-cooled furnace cover 13, and the clearance 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 ensure that the standing of workers is not affected. The worker can go up to the construction platform 2 via the ladder 6 and the window 202. And a worker stands at the edge of the construction platform 2 to weld and clean 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-cooled furnace cover 13 falls on the shielding cover 3, so that the effect of protecting workers is achieved, and the workers can weld, repair and clean the pipe wall of the cooling water pipe on the inner side of the water-cooled furnace cover 13 safely.
The locking member may be a latch or a bolt.
The attachment of the sleeve 4 has various embodiments:
in the first embodiment, the upper end of the sleeve 4 is connected with the construction platform 2 in a welding way, and the lower end of the sleeve is connected with the bottom plate 1 in a welding way.
In the second embodiment, the periphery of the upper end of the sleeve 4 is provided with a ring plate, and the ring plate is connected with the construction platform 2 in a welding way or connected 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 in a welding mode or connected through bolts.
The installation of the jacking device 7 has various specific 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 bottom plate 1, and the construction platform 2 is provided with a through hole 203 for the jacking device 7 to pass through.
In the third embodiment, 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. The connecting piece provides the joint support for jacking device 7 and construction platform 2.
The jacking device 7 is an air cylinder or a hydraulic cylinder, a piston rod of the air 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 with 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 hydraulic cylinder body. The trunnion 8 is the structure of pneumatic cylinder body from taking, and U type seat 9 plays the effect of connecting construction platform 2 and trunnion 8. The U-shaped seat 9 can be an integral structure or formed by connecting two L-shaped supports.
Because the temperature of the electrode 14 is high during working, workers need to wait for the electrode 14 to be cooled to a safe temperature after stopping and then enter the field for operation. However, the electrode 14 needs a longer time to cool, and in order to improve the working 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 tube 301 is arranged in a serpentine manner in a horizontal plane; the water inlet 302 and the water outlet 303 of the water pipe 301 extend out of the shell. Through set up water pipe 301 in the casing that shelters from lid 3, water inlet 302 and delivery port 303 all are connected with external pipeline, and cold water lets in water pipe 301 through external pipeline through water inlet 302, flows out to another external pipeline from delivery port 303 again, has cold water to let in the water pipe 301 all the time when guaranteeing the operation. Preferably, the water inlet 302 and the water outlet 303 are both located below the housing. When the shielding cover 3 is close to the electrode 14, the cooling of the shell can be realized, and workers are prevented from being scalded. The cooling of the electrode 14 is not needed, workers can enter the field again, the time is saved, the efficiency is improved, and the method is safe and reliable.
In order to collect the steel slag cleaned from the inner side of the water-cooled furnace cover 13, preferably, the steel slag collecting device further 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 located 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 15 is arranged along the periphery of the shutter cover 3; the roller of the rolling trolley 17 is 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 the opening of the barrel body 18 is upward and is positioned at the outer side of the shielding cover 3. The rolling trolley 17 is of a structure in the prior art, and the roller of the rolling trolley 17 is arranged on the roller seat through a rotating shaft. 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 body 18 is positioned between the shielding cover 3 and the construction platform 2, and the barrel body 18 can move around the periphery of the shielding cover 3 through the matching of the rolling trolley 17 and the annular guide rail 15. In practical use, the barrel body 18 is positioned below the bottom of the water-cooled furnace cover 13, the opening of the barrel body 18 is arranged corresponding to the inner side of the water-cooled furnace cover 13, and steel slag cleaned from the inner side of the water-cooled furnace cover 13 falls into the barrel body 18. The upper portion of the side wall of the barrel body 18 is connected with a mounting pipe 19 communicated with the inner cavity of the barrel body 18, the hose is connected to the mounting pipe 19 in an inserting mode, one end, far away from the mounting pipe 19, of the hose is connected with a dust collector, and steel slag in the barrel body 18 is quickly cleaned by starting the dust collector.
For convenient movement, the device preferably further comprises a transport trolley 12, and the bottom plate 1 is fixedly arranged on the table top of the transport trolley 12. The transport cart 12 is preferably a buggy ladle or a flat car. Buggy ladle or flat car are structures in the prior art.
Preferably, a first guard rail 10 is installed on the outer periphery of the bottom plate 1, and a second guard rail 11 is installed on the outer periphery of the construction platform 2. The first guard rail 10 and the second guard rail 11 are provided to improve the safety of the work.
Preferably, an openable and closable cover is installed at the window 202. The cover is opened to allow the worker to go up to the construction platform 2 through the window 202. After the worker goes up to the construction platform 2, the cover plate is closed, the worker is prevented from falling from the window 202, and the operation safety is improved. The installation of apron is prior art, and if one end of apron and construction platform 2's upper surface passed through the hinge and links to each other, the other end overlap joint is on construction platform 2.
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 arranging the annular baffle 304, the steel slag can be prevented from falling off the shielding cover 3. The shutter 304 is connected to the housing of the shutter cover 3.
The above is a specific implementation mode of the invention, and the implementation process shows that the invention provides the operation rack for repairing the water-cooled furnace cover of the refining furnace, so that the workers can safely weld and clean the pipe wall of the 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 workers are prevented from being injured by smashing. The shielding cover also has a heat insulation effect, workers do not need to enter the field for operation 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 (10)
1. Repair refining furnace water-cooling bell's operation rack, its characterized in that: comprises bottom plates (1), a construction platform (2) and a shielding cover (3) which are arranged from bottom to top at intervals;
the bottom 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;
an upright post (5) in sliding fit with the sleeve (4) is connected below the shielding cover (3), and the upright post (5) penetrates through a mounting hole (201) in the construction platform (2) and is mounted in the sleeve (4); the plurality of upright posts (5) are uniformly arranged at intervals;
a plurality of first connecting holes (401) are formed in the sleeve (4), a plurality of second connecting holes (501) are formed in the upright post (5), and the first connecting holes (401) and the second connecting holes (501) are uniformly arranged in the vertical direction at intervals; the sleeve (4) and the upright post (5) are locked 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;
the construction platform (2) is provided with a window (202) for personnel to pass through, and a ladder stand (6) arranged corresponding to the window (202) is arranged between the bottom plate (1) and the construction platform (2).
2. The operation bench for repairing the water-cooled furnace cover of the refining furnace as claimed in 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 operation bench for repairing the water-cooled furnace cover of the refining furnace as claimed in claim 2, wherein: the jacking device (7) is a hydraulic cylinder.
4. The operation rack for repairing the water-cooled furnace cover of the 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 hydraulic cylinder body.
5. The operation rack for repairing the water-cooled furnace cover of the refining furnace as claimed in claim 1, wherein: the shielding cover (3) comprises a shell and a water pipe (301) arranged in an inner cavity of the shell; the water tube (301) is arranged in a meandering manner in a horizontal plane; the water inlet (302) and the water outlet (303) of the water pipe (301) extend out of the shell.
6. The operation bench for repairing the water-cooled furnace cover of the refining furnace as claimed in 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 roller of the rolling trolley (17) is in rolling fit with the annular guide rail (15);
a barrel body (18) is connected to the roller seat of the rolling trolley (17), the opening of the barrel body (18) is upward, and the opening is positioned at the outer side of the shielding cover (3).
7. The operation bench for repairing the water-cooled furnace cover of the refining furnace as claimed in claim 1, wherein: the floor is characterized by further comprising a transport trolley (12), wherein the bottom plate (1) is fixedly arranged on the table top of the transport trolley (12).
8. The operation bench for repairing the water-cooled furnace cover of the refining furnace as claimed in claim 1, wherein: a first protective guard (10) is installed on the periphery of the bottom plate (1), and a second protective guard (11) is installed on the periphery of the construction platform (2).
9. The operation bench for repairing the water-cooled furnace cover of the refining furnace as claimed in claim 1, wherein: an openable cover plate is installed at the window (202).
10. The operation bench for repairing the water-cooled furnace cover of the refining furnace as claimed in claim 1, wherein: the periphery of the shielding cover (3) is provided with a vertically arranged annular baffle (304), and the annular baffle (304) is positioned above the shielding cover (3).
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 true CN115977363A (en) | 2023-04-18 |
| CN115977363B 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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