CN101608249B - Extensible maintenance system of milling outlet of molten iron flow channel of blast furnace - Google Patents
Extensible maintenance system of milling outlet of molten iron flow channel of blast furnace Download PDFInfo
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- CN101608249B CN101608249B CN2008101266990A CN200810126699A CN101608249B CN 101608249 B CN101608249 B CN 101608249B CN 2008101266990 A CN2008101266990 A CN 2008101266990A CN 200810126699 A CN200810126699 A CN 200810126699A CN 101608249 B CN101608249 B CN 101608249B
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- molten iron
- flow channel
- platform
- milling outlet
- maintenance
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Abstract
The invention relates to an extensible maintenance system of a milling outlet of a molten iron flow channel of a blast furnace, which comprises a large cover plate, an orifice and a maintenance platform, wherein the large cover plate is arranged on a floor plate above the milling outlet of the molten iron flow channel; the orifice corresponds to the position of the milling outlet and is covered by a small cover plate; the maintenance platform can be fixed on the orifice when the small cover plate is lifted and removed and is provided with a ladder stand which allows a maintainer entering from the orifice to climb to a pedal at the bottom, and an extension platform is extended out from the bottom of the maintenance platform in an extensible mode; during a maintenance operation, after the small cover plate is lifted and removed by the maintainer, the maintenance platform is lifted into and fixed at the orifice, and then the maintainer enters the maintenance platform by utilizing the ladder stand to carry out maintenance operations. The extensible maintenance platform is close to the milling outlet of the molten iron flow channel and has the characteristics of safety, temperature resistance, flexibility, and the like.
Description
Technical field
The present invention relates to a kind of maintenance system structure of milling outlet of molten iron flow channel of blast furnace.
Background technology
In the blast furnace Production Flow Chart of general Steel Plant, iron ore, coke and fusing assistant are added in the stove by Top of BF and the molten hot metal that produces flows to main molten iron flow channel to milling outlet through its iron notch, flow into again can about the runner that verts, flow into again in the torpedo car of containing molten iron according to its direction of verting, molten iron is delivered to the converter operation or carries out the pig iron and make operation.Because milling outlet must keep in repair it after causing fire proofed wood, framework to be lost to a certain degree because of molten iron washes at the scene.
Please refer to shown in Figure 1, present milling outlet B1 for the blast furnace master molten iron flow channel 11 milling outlet A or the runner 12 that verts, servicing installation and the maintenance mode of B2 are as follows: general milling outlet (A, B1, B2) and between the steel structure floor 13 of top has difference of elevation, so set firmly a maintenance cat ladder 14 corresponding to the milling outlet A position of the main molten iron flow channel 11 of blast furnace at floor 13, and cover with a large cover 15, when the molten iron milling outlet A of maintenance blast furnace, earlier large cover 15 is got hang remove after, the serviceman climbs down the maintenance cat ladder and enters main molten iron flow channel 11 milling outlet A, enter the runner edge steel structure that verts with cat ladder again, spread iron plate at the runner upper limb that verts and keep in repair again.
Yet, the maintenance to the runner milling outlet that verts of above-mentioned technology, because its servicing installation design is bad, its maintenance cat ladder is fixedly installed near the milling outlet, it is under the milling outlet hot environment for a long time, and its steel structure is fragile and cause serviceman's potential problem of falling.The serviceman of above-mentioned technology must stand directly on the warm runner that verts of still having a surplus and keep in repair again, and the steel structure of the runner milling outlet that verts does not have balustrade design because of the production demand, and all be exposed space on every side, and apart from ground have 7 meters dark, must and set up and block maintenance again behind the bar, its prior art remedial operation have the danger of high temperature, high-rise working.
Summary of the invention
In view of this, the problem of institute of the present invention desire solution is to provide a kind of maintenance platform that can directly set up out near milling outlet of molten iron flow channel when maintenance.
For achieving the above object, the technical solution used in the present invention is:
A kind of extensible maintenance system of milling outlet of molten iron flow channel of blast furnace is provided with a floor above the milling outlet of described molten iron flow channel, it is characterized in that, comprising:
A large cover, it is to cover on the described floor, and offers an aperture corresponding to described milling outlet position;
A minor flaps, it is to cover described aperture movably; And
A maintenance platform, it is a cubes steelframe structure, its top has a clamping structure can be fixed on described aperture, its bottom has a bottom pedal, described bottom pedal is adjacent to described milling outlet, at least one facade of described cubes steelframe structure inboard is provided with a cat ladder, and the described bottom pedal of described maintenance platform comprises that more one extends platform, and described extension platform can protrude out outside the pedal area of described bottom or take in the pedal area of described bottom.
Among the foregoing invention embodiment, the bottom pedal of maintenance platform comprises that more one extends platform, can take in the pedal area of bottom, hangs in the aperture operation not hinder at maintenance platform, and extend platform and can protrude out outside the pedal area of bottom, so that more near the operation of milling outlet convenient for maintaining; Certainly, its described extension platform is to be connected linkage to protrude out or take in rotation mode with the bottom pedal, or the connection sliding track mechanism protrudes out or takes in translation mode.
In addition, among the foregoing invention embodiment, can be provided with the inflation bilayer asbeston of aluminizing, and correspondence is provided with inflation mechanism, so that the air of the double-deck asbeston of aluminizing of inflation to be provided at least one facade of the described cubes steelframe structure of maintenance platform.Certainly, above-mentioned maintenance platform end face also can be provided with guardrail, in case drop in maintenance platform because of carelessness the movable personnel of floor.
Utilization effect that the present invention obtained is to be, the present invention can provide the built-up type maintenance platform, when the milling outlet remedial operation, hangs neatly to establish and is assembled near the milling outlet part, avoids being in for a long time heating status, can increase work-ing life.And maintenance platform of the present invention more comprises the extension platform of an expansion type, can make the serviceman more near the maintenance work zone, improves serviceman's working service operating environment.In addition; maintenance platform of the present invention all can be provided with the inflation bilayer asbeston of aluminizing at other facades of construction surface; with face and the back side about the protection serviceman prevent to scald and intercept molten iron flow channel surplus temperature, spread refractory mortar with the surplus temperature that protection serviceman foot prevents to scald and intercept molten iron flow channel at the bottom pedal, more comfortable operating environment is provided.
Description of drawings
Fig. 1 is the extensible maintenance system synoptic diagram of existing milling outlet of molten iron flow channel of blast furnace;
Fig. 2 is the maintenance platform schematic perspective view of the extensible maintenance system embodiment of milling outlet of molten iron flow channel of blast furnace of the present invention;
Fig. 3 is large cover and the minor flaps structural representation of the extensible maintenance system embodiment of milling outlet of molten iron flow channel of blast furnace of the present invention;
Fig. 4 is that the group of the extensible maintenance system embodiment of milling outlet of molten iron flow channel of blast furnace of the present invention is established maintenance platform winding schematic perspective view;
Fig. 5 A, Fig. 5 B be the linkage formula of maintenance platform of the present invention extend platform fold the embodiment synoptic diagram;
Fig. 6 A, Fig. 6 B be the sliding track mechanism of maintenance platform of the present invention extend platform fold the embodiment synoptic diagram.
Description of reference numerals: 11-master's molten iron flow channel; The 12-runner that verts; The 13-floor; 14-keeps in repair cat ladder; The 15-large cover; A, B1, B2-milling outlet; The 20-maintenance platform; 201-cubes steelframe structure; The 21-clamping structure; 22-bottom pedal; 23-extends platform; The 231-linkage; The 232-sliding track mechanism; The 233-cable wire; The 24-cat ladder; The 25-inflation bilayer asbeston of aluminizing; The 26-guardrail; The 30-molten iron flow channel; The 301-runner that verts; The 31-milling outlet; The 40-floor; The 50-large cover; The 51-aperture; The 511-flange; The 60-minor flaps.
Embodiment
Now cooperate and graphic preferred embodiment of the present invention is described in detail as follows.
Please refer to shown in Figure 2.The maintenance platform 20 of the embodiment of extensible maintenance platform of the present invention is cubes steelframe structures 201, its top has a clamping structure 21 of the horizontal girder steel of flanged type for fixing, maintenance platform 20 bottoms have a bottom pedal 22, can lay heat-proof device as preventing chamotte etc. on this bottom pedal 22, there is one side to be the scope of operation in the cubes steelframe structure 201, the usefulness that provides the serviceman to carry out remedial operation, and have at least the inboard of one side to be provided with a cat ladder 24 in all the other facades to enter maintenance platform 20 for servicemans.In order to make the more close operation target of serviceman, on the bottom of maintenance platform 20 pedal 22, the extension platform 23 that more comprises an expansible type, can protrude out outside bottom pedal 22 zones, also can extend in the platform 23 income bottom pedal area 22, to avoid interfering other members when this maintenance platform of hoisting device 20.
Outer all the other facades of the scope of operation of the hollow out of above-mentioned maintenance platform 20 also can be provided with heat-proof device as inflating the bilayer asbeston 25 of aluminizing, and have about the protection serviceman and the back prevents to scald and heat insulation function.
Continuous please refer to shown in Figure 3, the extensible maintenance system of milling outlet of molten iron flow channel of the present invention, it is a floor 40 that is erected at molten iron flow channel 30 milling outlets 31 tops of institute's desire maintenance, in principle, the present invention is that one dimension equating platform 20 is provided with corresponding to a milling outlet 31 at least, be that the maintenance system (the sprue milling outlet and the runner milling outlet that verts) that three milling outlets 31 is set simultaneously with a floor is an example in the present embodiment, be to comprise: one covers the large cover 50 on the floor 40, the aisle when mainly being conduct production and the usefulness of dust guard, also capable of hoisting in case of necessity getting removes the maintenance of carrying out its structure, large cover 50 is offering an aperture 51 corresponding to milling outlet 31 positions in addition, and aperture 51 has flange 511 on every side.One minor flaps 60 is to utilize flange 511 to cover aperture 51 movably, its end face generally is with large cover 50 end faces flushes, and walks to make things convenient for personnel, and above-mentioned maintenance platform 20 can hang in minor flaps 60 and hang in aperture 51 after moving and give fixed.More comprise a plurality of guardrails 26 around the top of maintenance platform 20 again, to prevent that movable personnel drop in maintenance platform 20 on the large cover 50.
Please refer to Fig. 4 and rely on above-mentioned each structure, when generally not carrying out milling outlet 31 remedial operatioies, is 51 positions, aperture that minor flaps 60 covered large cover 50, to form general aisle floor.Remove and when carrying out milling outlet 31 remedial operatioies, earlier minor flaps 60 is hung to get, again maintenance platform 20 is hung in aperture 51, utilize the clamping structure 21 of maintenance platform 20 and be fixed on the flange 511 in aperture 51, the serviceman utilizes cat ladder 24 to enter in the maintenance platform 20 again, and conveniently carries out remedial operation to extend platform 23 near milling outlet 31.
See also shown in Fig. 5 A, Fig. 5 B and Fig. 6 A, Fig. 6 B, protruding out or taking in of the extension platform 23 of above-mentioned maintenance platform 20 bottoms is to rely on a linkage 231 or a sliding track mechanism 232 to be reached, and can on extension platform 23, a length-adjustable cable wire 233 (the other end is fixed on the maintenance platform 20) be set, extension platform 23 angles that protrude out with the auxiliary operation that folds, adjustment become level, but and the usefulness of double as support personnel loading.
In addition, among the foregoing invention embodiment, can be provided with the inflation bilayer asbeston of aluminizing, and correspondence is provided with inflation mechanism, so that the air of the double-deck asbeston of aluminizing of inflation to be provided at least one facade of the described cubes steelframe structure of maintenance platform.Certainly, above-mentioned maintenance platform end face also can be provided with guardrail, in case drop in maintenance platform because of carelessness the movable personnel of floor.
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within protection scope of the present invention.
Claims (7)
1. the extensible maintenance system of a milling outlet of molten iron flow channel of blast furnace is provided with a floor above the milling outlet of described molten iron flow channel, it is characterized in that, comprising:
A large cover, it is to cover on the described floor, and offers an aperture corresponding to described milling outlet position;
A minor flaps, it is to cover described aperture movably; And
A maintenance platform, it is a cubes steelframe structure, its top has a clamping structure can be fixed on described aperture, its bottom has a bottom pedal, described bottom pedal is adjacent to described milling outlet, at least one facade of described cubes steelframe structure inboard is provided with a cat ladder, and the described bottom pedal of described maintenance platform comprises that more one extends platform, and described extension platform can protrude out outside the pedal area of described bottom or take in the pedal area of described bottom.
2. the extensible maintenance system of milling outlet of molten iron flow channel of blast furnace according to claim 1, it is characterized in that: the described bottom pedal of described maintenance platform is covered with refractory mortar.
3. the extensible maintenance system of milling outlet of molten iron flow channel of blast furnace according to claim 1, it is characterized in that: described extension platform is to be connected by linkage with described bottom pedal, and described extension platform protrudes out by described linkage outside the pedal area of described bottom with rotation mode or takes in the pedal area of described bottom.
4. the extensible maintenance system of milling outlet of molten iron flow channel of blast furnace according to claim 1, it is characterized in that: described extension platform is to be connected by sliding track mechanism with described bottom pedal, and described extension platform protrudes out by described sliding track mechanism outside the pedal area of described bottom with translation mode or takes in the pedal area of described bottom.
5. the extensible maintenance system of milling outlet of molten iron flow channel of blast furnace according to claim 1 is characterized in that: at least one facade of the described cubes steelframe structure of described maintenance platform is provided with the inflation bilayer asbeston of aluminizing.
6. the extensible maintenance system of milling outlet of molten iron flow channel of blast furnace according to claim 5 is characterized in that: be provided with inflation mechanism corresponding to the described inflation bilayer asbeston of aluminizing, for inflating the aluminize air of asbeston of bilayer.
7. the extensible maintenance system of milling outlet of molten iron flow channel of blast furnace according to claim 1, it is characterized in that: the end face periphery of described maintenance platform more comprises a plurality of guardrails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101266990A CN101608249B (en) | 2008-06-20 | 2008-06-20 | Extensible maintenance system of milling outlet of molten iron flow channel of blast furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101266990A CN101608249B (en) | 2008-06-20 | 2008-06-20 | Extensible maintenance system of milling outlet of molten iron flow channel of blast furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101608249A CN101608249A (en) | 2009-12-23 |
| CN101608249B true CN101608249B (en) | 2011-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101266990A Expired - Fee Related CN101608249B (en) | 2008-06-20 | 2008-06-20 | Extensible maintenance system of milling outlet of molten iron flow channel of blast furnace |
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| CN (1) | CN101608249B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107639017A (en) * | 2017-10-31 | 2018-01-30 | 无锡宇能选煤机械厂 | The spiral screen of the mobile maintenance platform of installation |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692327Y (en) * | 2004-02-27 | 2005-04-13 | 胡佑伦 | High building safety salvage stairs |
| US20060201747A1 (en) * | 2005-03-11 | 2006-09-14 | Rodger Walton | Ladder for working concrete |
-
2008
- 2008-06-20 CN CN2008101266990A patent/CN101608249B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692327Y (en) * | 2004-02-27 | 2005-04-13 | 胡佑伦 | High building safety salvage stairs |
| US20060201747A1 (en) * | 2005-03-11 | 2006-09-14 | Rodger Walton | Ladder for working concrete |
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| Publication number | Publication date |
|---|---|
| CN101608249A (en) | 2009-12-23 |
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