CN201285220Y - Water-cooling furnace roller used for sheet billet continuous casting and continuous rolling roller hearth furnace - Google Patents
Water-cooling furnace roller used for sheet billet continuous casting and continuous rolling roller hearth furnace Download PDFInfo
- Publication number
- CN201285220Y CN201285220Y CNU2008201227671U CN200820122767U CN201285220Y CN 201285220 Y CN201285220 Y CN 201285220Y CN U2008201227671 U CNU2008201227671 U CN U2008201227671U CN 200820122767 U CN200820122767 U CN 200820122767U CN 201285220 Y CN201285220 Y CN 201285220Y
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Abstract
The utility model relates to a water-cooled furnace roller for a sheet billet continuous casting and tandem rolling roller hearth furnace, which comprises a furnace roller shaft, a refractory steel roller ring, a Y-shaped refractory steel anchoring piece, a fireproof fiber blanket refractory layer and a fireproof steel fiber castable material, wherein the furnace roller shaft is a water-cooled and thick-wall pipe, and the refractory steel roller ring is fixedly sleeved on the excircle of the furnace roller shaft; the Y-shaped refractory steel anchoring piece is welded on the water-cooled and thick-wall pipe of the furnace roller shaft to fix the fireproof steel fiber castable material arranged on the outer layer of the water-cooled furnace roller; the fireproof fiber blanket refractory layer with good heat-insulating property is wrapped outside the water-cooled and thick-wall pipe of the furnace roller shaft 1; and a heat insulating layer is arranged on the outermost layer of the water-cooled furnace roller and made of high-quality and high-strength fireproof steel fiber castable material. The refractory steel roller ring is provided with a roll surface trough, a belly opening and a roller ring pin hole and also comprises a refractory steel pin connected with the water-cooled and thick-wall pipe of the furnace roller shaft. The water-cooled furnace roller can operate under the conditions of high temperature, high speed and high load so as to fully substitute import products and satisfy production requirements.
Description
Technical field
The utility model relates to a kind of roller hearth furnace water black furnace roller, particularly relate to a kind of CSP roller hearth furnace that can be used for, can substitute the CSP roller hearth furnace water black furnace roller of expensive import furnace roller, be suitable for the industrial circle wide popularization and application.
Background technology
Since nineteen ninety-eight, domestic 9 of the sheet billet continuous casting and rolling production lines of introducing altogether, 18 CSP roller hearth furnaces are arranged, 18 stove length overalls reach more than 4,000 meter, use water-cooled furnace roller more than 3300 covers altogether, and the water-cooled furnace roller is fragile part, needs periodic replacement, and its demand is very big.
Because these water-cooled furnace rollers are all by Germany, the U.S. and the import of gondola company; The water-cooled furnace roller of each tame foreign corporation has all been applied for two above patents at least, and therefore, the price of this water-cooled furnace roller is exactly very expensive comparatively speaking, and the expense that annual relevant enterprise is paid for this reason is considerable;
But the water-cooled furnace roller result of use of these imports does not make us satisfied fully, and in the foreign products of introducing, the product quality of the Italy and the U.S. is good, but price is high; Germany L0I company on the production line of Handan in the product of application except that costing an arm and a leg, on material and structure, also have defective, the outsourcing refractory material, do not reach requirement the service life of fiber material, maintenance capacity is big.
This shows that above-mentioned existing water-cooled furnace roller obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that the water-cooled furnace roller exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found a kind of novel sheet bar continuous casting and rolling roller hearth furnace water black furnace roller, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Because the defective that above-mentioned existing water-cooled furnace roller exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, to found a kind of CSP roller hearth furnace water black furnace roller of new structure, can improve general existing water-cooled furnace roller, make it have more practicality.Through constantly research, design, and after studying sample and improvement repeatedly, create the utility model that has practical value finally.
Summary of the invention
The purpose of this utility model is, overcome the defective that existing water-cooled furnace roller exists, and provide a kind of CSP roller hearth furnace water black furnace roller of new structure, technical problem to be solved be make its have at high temperature, at a high speed under operation, furnace roller insulating structure that heat-insulating property is good; And has a high thermal resistance, the high temperature resistant and heat resisting steel collars that can under high load capacity, move; Thereby be suitable for practicality more.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to a kind of CSP roller hearth furnace water black furnace roller that the utility model proposes, it comprises: furnace roller axle, heat resisting steel collars, " Y " type heat resisting steel anchoring piece, refractory fiber blanket heat insulation layer and heat-resistant steel fiber water material feeding; Furnace roller axle wherein is the water-cooled thick-walled pipe; Heat resisting steel collars fixed cover is located on the cylindrical of furnace roller axle; " Y " type heat resisting steel anchoring piece wherein is welded on the above-mentioned water-cooled thick-walled pipe of furnace roller axle, is fixed on the outer field heat-resistant steel fiber of water-cooled furnace roller and waters material feeding; The refractory fiber blanket heat insulation layer that the coated outside thermal conductivity factor is low, heat-insulating property is good at the water-cooled thick-walled pipe of furnace roller axle; Outermost layer at the water-cooled furnace roller is a heat insulation layer, adopts heavy high-strength temperature-resistant steel fiber castable (5) to make.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid CSP roller hearth furnace water black furnace roller, wherein said " Y " type heat resisting steel anchoring piece (3) is gone up helically disposed at furnace roller axle (1).
Aforesaid CSP roller hearth furnace water black furnace roller, wherein said heat resisting steel collars (2) and heat-resistant steel fiber water and are lined with refractory fibre paper gasket (6) between the material feeding (5).
Aforesaid CSP roller hearth furnace water black furnace roller, wherein said heat resisting steel collars (2) are provided with roll surface fluting (7), belly perforate (8), collars lock-joint (10), also include heat-resisting steel pin (9) in addition; The degree of depth of above-mentioned roll surface fluting (7) is opened on the cylindrical of heat resisting steel collars (2) greater than its width; Be provided with collars lock-joint (10) in the interior round both sides of heat resisting steel collars (2), upward be provided with heat-resisting steel pin (9) at heat resisting steel collars (2) and be connected with the water-cooled thick-walled pipe of furnace roller axle (1) with the corresponding position of collars lock-joint (10).
Aforesaid CSP roller hearth furnace water black furnace roller, that the section of wherein said heat resisting steel collars (2) is is I-shaped, offer belly perforate (8) at the middle part, side of heat resisting steel collars (2), filling refractory fibre in this belly perforate (8).
Aforesaid CSP roller hearth furnace water black furnace roller, the two ends of wherein said belly perforate (8) are provided with counterbore.
Aforesaid CSP roller hearth furnace water black furnace roller, wherein said heat resisting steel collars (2), the heat resisting steel casting that employing can move under high temperature, high load capacity forms machine-shaping after heat treatment.
The utility model compared with prior art has tangible advantage and beneficial effect.By technique scheme, the utility model CSP roller hearth furnace water black furnace roller can reach suitable technological progress and practicality, and has the extensive value on the industry, and it has following advantage at least:
The invention solves two key technologies of water-cooled furnace roller: 1, having can be at high temperature, at a high speed under operation, furnace roller insulating structure that heat-insulating property is good; 2, have high thermal resistance, the high temperature resistant and heat resisting steel collars that can under high load capacity, move; The utility model can be in the following operation of high temperature, high speed and high load capacity, fully can import substitutes, meet the needs of production.
In sum, the CSP roller hearth furnace water black furnace roller of the utility model novelty, be welded on furnace roller axle-water-cooled thick-walled pipe with " Y " type heat resisting steel anchoring piece, be used to hold outermost heat-resistant steel fiber and water material feeding, heat resisting steel anchoring piece spirality is arranged; The refractory fiber blanket that water-cooled thick-walled pipe outsourcing thermal conductivity factor is low, heat-insulating property is good; Furnace roller outermost layer (hot side) is that heavy high-strength temperature-resistant steel fiber castable heat insulation layer-this has just improved and water wear-resistant, the anti-folding of material feeding high temperature, thermal shock resistance, helps to improve the furnace roller life-span.This dual heat insulating construction has reduced the heat that cooling water is taken away, has improved furnace thermal efficiency, energy savings.
The collars of the utility model novelty is used can machine-shaping after the heat resisting steel casting that moves under high temperature, the high load capacity, heat treatment.Heat resisting steel collars cylindrical has six deep trouths, is used to absorb the inner and outer ring cold and hot surface temperature difference (〉=1000 ℃) differential thermal expansion produces under the duty stress and line expansion.
The similar rail profile of the section of heat resisting steel collars has been opened in 12 holes, the hole on " spoke face " between the collars cold and hot surface and has been filled refractory fibre, and this has just increased the thermal resistance of collars section.Height, minimizing slab " are deceived seal ", are improved the finished product plate quality as far as possible to make collars cylindrical and slab contact-making surface temperature; Heat, energy savings that circle is low as far as possible with water pipe contact-making surface temperature in the collars, the minimizing cooling water is taken away.
Circle is connected with roll shaft (water-cooled thick-walled pipe) with eight heat-resisting steel pins in the collars both sides.
The utlity model has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on product structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing water-cooled furnace roller has the outstanding multinomial effect of enhancement, thereby being suitable for practicality more, and having the extensive value of industry, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 a is the front section view of the CSP roller hearth furnace water black furnace roller of the utility model preferred embodiment.
Fig. 1 b is the cutaway view of the A-A face of the utility model preferred embodiment Fig. 1 a.
Fig. 1 c is the cutaway view of the C-C face of the utility model preferred embodiment Fig. 1 a.
Fig. 1 d is the cutaway view of the D-D face of the utility model preferred embodiment Fig. 1 a.
Fig. 1 g is the partial enlarged drawing of the utility model preferred embodiment Fig. 1 a.
Fig. 2 a is the front view of the utility model preferred embodiment CSP roller hearth furnace water black furnace roller.
Fig. 2 b is the structural representation of the heat resisting steel collars of the utility model preferred embodiment.
Fig. 2 c is the partial enlarged drawing of the heat resisting steel collars of the utility model preferred embodiment.
Fig. 3 is the structural representation of the heat resisting steel collars of the utility model preferred embodiment.
1: furnace roller axle 2: the heat resisting steel collars
3: " Y " type heat resisting steel anchoring piece 4: refractory fiber blanket heat insulation layer
5: heat-resistant steel fiber waters material feeding 6: the refractory fibre paper gasket
7: roll surface fluting 8: belly perforate
9.: heat-resisting steel pin 10: collars lock-joint
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its specific embodiment of CSP roller hearth furnace water black furnace roller, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
Below in conjunction with drawings and Examples CSP roller hearth furnace water black furnace roller is further specified.Relevant technology contents of the present utility model, characteristics and effect can clearly present in the following detailed description that cooperates with reference to graphic preferred embodiment.For convenience of description, in following embodiment, components identical is represented with identical numbering.
See also shown in Fig. 1 a, Fig. 1 b, Fig. 1 c, Fig. 1 d, Fig. 1 g, Fig. 1 a is the front section view of the CSP roller hearth furnace water black furnace roller of the utility model preferred embodiment.Fig. 1 b is the cutaway view of the A-A face of the utility model preferred embodiment Fig. 1 a.Fig. 1 c is the cutaway view of the C-C face of the utility model preferred embodiment Fig. 1 a.Fig. 1 d is the cutaway view of the D-D face of the utility model preferred embodiment Fig. 1 a.Fig. 1 g is the partial enlarged drawing of the utility model preferred embodiment Fig. 1 a.
The utility model mainly comprises: furnace roller axle 1, heat resisting steel collars 2, " Y " type heat resisting steel anchoring piece 3, refractory fiber blanket heat insulation layer 4, heat-resistant steel fiber water material feeding 5 and refractory fibre paper gasket 6;
" Y " type heat resisting steel anchoring piece 3 wherein is to be welded on the above-mentioned water-cooled thick-walled pipe of furnace roller axle 1, is used to hold outer field heat-resistant steel fiber and waters material feeding 5, and " Y " type heat resisting steel anchoring piece 3 is helically disposed on furnace roller axle 1;
The refractory fiber blanket heat insulation layer 4 that the coated outside thermal conductivity factor is low, heat-insulating property is good at the water-cooled thick-walled pipe of furnace roller axle 1; Outermost layer at the water-cooled furnace roller is heat-resisting, is the heat insulation layer of heavy high-strength temperature-resistant steel fiber castable 5, and this has just improved and waters wear-resistant, the anti-folding of material feeding high temperature, thermal shock resistance, helps to improve the furnace roller life-span; Above-mentioned this dual heat insulating construction has reduced the heat that cooling water is taken away, has improved furnace thermal efficiency, energy savings.
Water at heat resisting steel collars 2 and heat-resistant steel fiber and to be lined with refractory fibre paper gasket 6 between the material feeding 5, be used for absorbing heat resisting steel collars 2 and heat-resistant steel fiber and water thermal expansion between the material feeding 5.
See also Fig. 2 a, Fig. 2 b, Fig. 2 c, shown in Figure 3, Fig. 2 a is the front front view of the utility model preferred embodiment CSP roller hearth furnace water black furnace roller.Fig. 2 b is the structural representation of the heat resisting steel collars of the utility model preferred embodiment.Fig. 2 c is the partial enlarged drawing of the heat resisting steel collars of the utility model preferred embodiment.Fig. 3 is the structural representation of the heat resisting steel collars of the utility model preferred embodiment.
The heat resisting steel collars of the utility model preferred embodiment, the heat resisting steel casting that employing can move under high temperature, high load capacity forms machine-shaping after heat treatment.
On the heat resisting steel collars of the utility model preferred embodiment, mainly be provided with roll surface fluting 7, belly perforate 8, heat-resisting steel pin 9, collars lock-joint 10;
Offer six deep trouths on the cylindrical of heat resisting steel collars 2 wherein, be roll surface fluting 7, its degree of depth is used to absorb stress and the line that the inner and outer ring cold and hot surface temperature difference (〉=1000 ℃) differential thermal expansion produces under the duty and expands greater than its width.
The similar rail profile of the section of heat resisting steel collars 2, on " the spoke face " between the cold and hot surface of heat resisting steel collars 2,12 belly perforates 8 have been opened; In belly perforate 8, fill refractory fibre, increase the thermal resistance of heat resisting steel collars 2 sections, make the cylindrical of heat resisting steel collars 2 and slab contact-making surface temperature high as far as possible, reduce slab " black seal ", raising finished product plate quality; And the interior circle of heat resisting steel collars 2 and water pipe contact-making surface temperature are low as far as possible, reduce heat, energy savings that cooling water is taken away.
Be provided with eight collars lock-joints 10 in the interior round both sides of heat resisting steel collars 2;
Circle is connected with the water-cooled thick-walled pipe of furnace roller axle 1 with eight heat-resisting steel pins 9 in the both sides of heat resisting steel collars 2.
The technological innovation of the utility model CSP roller hearth furnace water black furnace roller that above-mentioned structure like this constitutes all has many saving graces for technical staff of the same trade now, and the progressive that possesses skills really.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (7)
1, a kind of CSP roller hearth furnace water black furnace roller, it is characterized in that it comprises: furnace roller axle (1), heat resisting steel collars (2), " Y " type heat resisting steel anchoring piece (3), refractory fiber blanket heat insulation layer (4) and heat-resistant steel fiber water material feeding (5);
Furnace roller axle (1) wherein is the water-cooled thick-walled pipe; Heat resisting steel collars (2) fixed cover is located on the cylindrical of furnace roller axle (1);
" Y " type heat resisting steel anchoring piece (3) wherein is welded on the above-mentioned water-cooled thick-walled pipe of furnace roller axle (1), is fixed on the outer field heat-resistant steel fiber of water-cooled furnace roller and waters material feeding (5);
The refractory fiber blanket heat insulation layer (4) that the coated outside thermal conductivity factor is low, heat-insulating property is good at the water-cooled thick-walled pipe of furnace roller axle (1);
Outermost layer at the water-cooled furnace roller is a heat insulation layer, adopts heavy high-strength temperature-resistant steel fiber castable (5) to make.
2, CSP roller hearth furnace water black furnace roller according to claim 1 is characterized in that wherein said " Y " type heat resisting steel anchoring piece (3) is upward helically disposed at furnace roller axle (1).
3, CSP roller hearth furnace water black furnace roller according to claim 1 is characterized in that wherein said heat resisting steel collars (2) and heat-resistant steel fiber water to be lined with refractory fibre paper gasket (6) between the material feeding (5).
4, CSP roller hearth furnace water black furnace roller according to claim 1, it is characterized in that wherein said heat resisting steel collars (2) is provided with roll surface fluting (7), belly perforate (8), collars lock-joint (10), also includes heat-resisting steel pin (9) in addition;
The degree of depth of above-mentioned roll surface fluting (7) is opened on the cylindrical of heat resisting steel collars (2) greater than its width;
Be provided with collars lock-joint (10) in the interior round both sides of heat resisting steel collars (2), upward be provided with heat-resisting steel pin (9) at heat resisting steel collars (2) and be connected with the water-cooled thick-walled pipe of furnace roller axle (1) with the corresponding position of collars lock-joint (10).
5, CSP roller hearth furnace water black furnace roller according to claim 4, the section that it is characterized in that wherein said heat resisting steel collars (2) is I-shaped, offers belly perforate (8) at the middle part, side of heat resisting steel collars (2), fills refractory fibre in this belly perforate (8).
6, CSP roller hearth furnace water black furnace roller according to claim 5 is characterized in that the two ends of wherein said belly perforate (8) are provided with counterbore.
7, CSP roller hearth furnace water black furnace roller according to claim 4 is characterized in that wherein said heat resisting steel collars (2), and the heat resisting steel casting that employing can move under high temperature, high load capacity forms machine-shaping after heat treatment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2008201227671U CN201285220Y (en) | 2008-09-27 | 2008-09-27 | Water-cooling furnace roller used for sheet billet continuous casting and continuous rolling roller hearth furnace |
Applications Claiming Priority (1)
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CNU2008201227671U CN201285220Y (en) | 2008-09-27 | 2008-09-27 | Water-cooling furnace roller used for sheet billet continuous casting and continuous rolling roller hearth furnace |
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CNU2008201227671U Expired - Lifetime CN201285220Y (en) | 2008-09-27 | 2008-09-27 | Water-cooling furnace roller used for sheet billet continuous casting and continuous rolling roller hearth furnace |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101818242A (en) * | 2010-04-06 | 2010-09-01 | 中冶南方(武汉)威仕工业炉有限公司 | High-temperature furnace roller adopting air cooling technology |
CN101943523A (en) * | 2010-09-17 | 2011-01-12 | 北京京杰锐思技术开发有限公司 | Furnace roller |
CN102649991A (en) * | 2011-02-25 | 2012-08-29 | 上海宝钢设备检修有限公司 | High-temperature-resistant water-cooling furnace bottom roll |
CN102762749A (en) * | 2010-02-26 | 2012-10-31 | 株式会社Ihi | Roller for in-furnace conveyance |
CN104099461A (en) * | 2014-07-01 | 2014-10-15 | 东北大学 | Water cooling furnace roller with refractory fiber layer and preparation method thereof |
CN111811282A (en) * | 2020-07-01 | 2020-10-23 | 武汉钢铁有限公司 | Heat insulation protective layer structure of water-cooling furnace roller and preparation method thereof |
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2008
- 2008-09-27 CN CNU2008201227671U patent/CN201285220Y/en not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102762749A (en) * | 2010-02-26 | 2012-10-31 | 株式会社Ihi | Roller for in-furnace conveyance |
US8622188B2 (en) | 2010-02-26 | 2014-01-07 | Ihi Corporation | Roller for in-furnace conveyance |
CN102762749B (en) * | 2010-02-26 | 2014-04-09 | 株式会社Ihi | Roller for in-furnace conveyance |
CN101818242A (en) * | 2010-04-06 | 2010-09-01 | 中冶南方(武汉)威仕工业炉有限公司 | High-temperature furnace roller adopting air cooling technology |
CN101943523A (en) * | 2010-09-17 | 2011-01-12 | 北京京杰锐思技术开发有限公司 | Furnace roller |
CN101943523B (en) * | 2010-09-17 | 2012-07-11 | 北京京杰锐思技术开发有限公司 | Furnace roller |
CN102649991A (en) * | 2011-02-25 | 2012-08-29 | 上海宝钢设备检修有限公司 | High-temperature-resistant water-cooling furnace bottom roll |
CN102649991B (en) * | 2011-02-25 | 2013-08-14 | 上海宝钢设备检修有限公司 | High-temperature-resistant water-cooling furnace bottom roll |
CN104099461A (en) * | 2014-07-01 | 2014-10-15 | 东北大学 | Water cooling furnace roller with refractory fiber layer and preparation method thereof |
CN111811282A (en) * | 2020-07-01 | 2020-10-23 | 武汉钢铁有限公司 | Heat insulation protective layer structure of water-cooling furnace roller and preparation method thereof |
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C14 | Grant of patent or utility model | ||
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Granted publication date: 20090805 |