CN105251782A - Heat preservation system for hot-rolled plate blank - Google Patents
Heat preservation system for hot-rolled plate blank Download PDFInfo
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- CN105251782A CN105251782A CN201510783135.4A CN201510783135A CN105251782A CN 105251782 A CN105251782 A CN 105251782A CN 201510783135 A CN201510783135 A CN 201510783135A CN 105251782 A CN105251782 A CN 105251782A
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- Prior art keywords
- backboard
- high temperature
- heat
- plate assembly
- cover plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Metal Rolling (AREA)
Abstract
A heat preservation system for a hot-rolled plate blank comprises side plate assemblies, a cover plate assembly and a bottom plate assembly. Each side plate assembly comprises a first back plate, a heat preservation component and a reflection plate component. The heat preservation component is arranged in the first back plate. The reflection plate component comprises a high-temperature-resistant steel mounting frame and reflection plates laid on the high-temperature-resistant steel mounting frame. The cover plate assembly comprises a second back plate, a heat preservation layer, a high-temperature-resistant pad and a reflection coating, and a mounting table is arranged on one side of the second back plate. The bottom plate assembly comprises bottom platforms, and high-temperature-resistant ribs are arranged on the bottom platforms. The side plate assemblies, the cover plate assembly and the bottom plate assembly are connected in a seamless mode to form the heat preservation system of a barrel-shaped structure. According to the heat preservation system for the hot-rolled plate blank, the heat preservation side plate assembly and the heat preservation cover plate assembly are both of a two-level heat preservation structure, heat losses of the high-temperature hot-rolled plate blank can be reduced very significantly, the temperature of the high-temperature hot-rolled plate blank is decreased slowly at a constant speed, and the purpose of improving the quality of the hot-rolled plate blank is achieved.
Description
Technical field
The present invention relates to Hot Rolling Plate Production technical field, more particularly, particularly a kind of hot rolling slab heat-insulation system.
Background technology
In the prior art, be directly exposed in air in the transport process of hot rolling slab phase after manufacture, make the hot rolling slab cooling velocity of high temperature very fast, and variations in temperature be even not, both result in the loss of heat, and have impact on again the quality of slab.
Summary of the invention
(1) technical problem
How to reduce the cooling velocity of high temperature hot rolling slab, in order to improve its product quality, become those skilled in the art's problem demanding prompt solution.
(2) technical scheme
The invention provides a kind of hot rolling slab heat-insulation system,
Comprise lateral plate component, cover plate assembly and bottom deck assembly;
Described lateral plate component includes the first backboard, heat insulation module, reflection plate assembly; Described first backboard is metal framework structure, and described heat insulation module is arranged in described first backboard; Described reflection plate assembly includes high temperature resistant steel installing rack and reflecting plate, described high temperature resistant steel installing rack is arranged on described heat insulation module, and described reflecting plate to be layed on described high temperature resistant steel installing rack and to be formed with the reflecting surface for heat radiation reflected relative with high temperature hot rolling slab;
Described cover plate assembly includes the second backboard, is arranged at the heat-insulation layer inside described second backboard, the high temperature resistant pad be arranged on described heat-insulation layer lateral surface, spray the reflectance coating be arranged at for heat radiation being reflected on described high temperature resistant pad, the side of described second backboard is provided with erecting bed, described erecting bed and described second backboard hinged;
Described bottom deck assembly includes bottom platform, is provided with for taking the high temperature resistant rib putting hot rolling slab in described bottom platform;
Described lateral plate component is divided into the both sides of described cover plate assembly, described bottom deck assembly is arranged at the downside of described cover plate assembly, described lateral plate component, described cover plate assembly and described bottom deck assembly seamless link are formed with the heat-insulation system of tubular structure, and high temperature hot rolling slab is arranged in described heat-insulation system.
Preferably, described reflecting plate includes polylith, and whole described reflecting plates is obliquely installed on described high temperature resistant steel installing rack.
Preferably, on described cover plate assembly, be also provided with steel fixation kit, described steel fixation kit is fixedly connected with described second backboard through described high temperature resistant pad, described heat-insulation layer successively.
Preferably, on the lateral surface of described reflectance coating, anti-corrosion layer is provided with.
Preferably, described first backboard is stainless steel first backboard; Described reflecting plate is by the rectangular plate of high temperature resistant Crystallization.
Preferably, the top of described first backboard is provided with built, the bottom of described first backboard is provided with supporting leg.
Preferably, the side of described first backboard is provided with slot, and the opposite side of described first backboard is provided with the plate that can be connected with described slot.
Preferably, in described bottom platform, offer the leaking hole for draining.
Preferably, be provided with for the base reflector plate to described lateral plate component direction reflective thermal radiation in described bottom platform surface thereof, described base reflector plate is arranged between described high temperature resistant rib.
(3) beneficial effect
Designed by said structure, hot rolling slab heat-insulation system provided by the invention, its insulation side board and cover plate assembly all adopt two-stage insulation construction, clearly can reduce the heat losses of high temperature hot rolling slab, high temperature hot rolling slab is slowly lowered the temperature evenly, reaches the object improving hot rolling slab quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention latus inframedium assembly;
Fig. 2 is the structural representation of embodiment of the present invention cover plate assembly;
Fig. 3 is the structural representation of bottom deck assembly in the embodiment of the present invention;
Fig. 4 is the structural representation of hot rolling slab heat-insulation system in the embodiment of the present invention.
In FIG, the corresponding relation of component names and accompanying drawing number is:
First backboard 1, heat insulation module 2, high temperature resistant steel installing rack 3, reflecting plate 4, second backboard 5, heat-insulation layer 6, high temperature resistant pad 7, reflectance coating 8, erecting bed 9, bottom platform 10, high temperature resistant rib 11, anti-corrosion layer 12, base reflector plate 13.
Detailed description of the invention
Below in conjunction with drawings and Examples, embodiments of the present invention are described in further detail.Following examples for illustration of the present invention, but can not be used for limiting the scope of the invention.
In describing the invention, except as otherwise noted, the implication of " multiple " is two or more; Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " etc. only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " is connected ", " connection " should be interpreted broadly, such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Please refer to Fig. 1 to Fig. 4, wherein, Fig. 1 is the structural representation of embodiment of the present invention latus inframedium assembly; Fig. 2 is the structural representation of embodiment of the present invention cover plate assembly; Fig. 3 is the structural representation of bottom deck assembly in the embodiment of the present invention; Fig. 4 is the structural representation of hot rolling slab heat-insulation system in the embodiment of the present invention.
The invention provides a kind of hot rolling slab heat-insulation system, comprise lateral plate component, cover plate assembly and bottom deck assembly; Lateral plate component includes the first backboard, heat insulation module, reflection plate assembly; First backboard is metal framework structure, and heat insulation module is arranged in the first backboard; Reflection plate assembly includes high temperature resistant steel installing rack and reflecting plate, high temperature resistant steel installing rack is arranged on heat insulation module, and reflecting plate to be layed on high temperature resistant steel installing rack and to be formed with the reflecting surface for heat radiation reflected relative with high temperature hot rolling slab; Cover plate assembly includes the second backboard, is arranged at heat-insulation layer inside the second backboard, the high temperature resistant pad be arranged on heat-insulation layer lateral surface, spray the reflectance coating be arranged at for heat radiation being reflected on high temperature resistant pad, the side of the second backboard is provided with erecting bed, erecting bed and the second backboard hinged; Bottom deck assembly includes bottom platform, is provided with for taking the high temperature resistant rib putting hot rolling slab in bottom platform; Lateral plate component is divided into the both sides of cover plate assembly, and bottom deck assembly is arranged at the downside of cover plate assembly, and lateral plate component, cover plate assembly and bottom deck assembly seamless link are formed with the heat-insulation system of tubular structure, and high temperature hot rolling slab is arranged in heat-insulation system.
In said structure design, lateral plate component includes two groups and divides the both sides being located at bottom deck assembly, bottom deck assembly and cover plate assembly are oppositely arranged, and be separately positioned on the two ends up and down of lateral plate component with cover plate assembly, seamless link between each assembly, thus form a tubular heat-insulation system for accommodating high temperature hot rolling slab.
Wherein,
Insulation side board part-structure is: be made up the first backboard having support, install miscellaneous part of stainless steel, when setting the first backboard work towards the one side of hot rolling slab be front, front arranges installation groove, heat insulation module is set to and installs in groove, thus making side plate have first order insulation construction, heat insulation module adopts the material that is high temperature resistant, corrosion resistance characteristic that has conventional in prior art to make.The lateral surface of heat insulation module arranges a high temperature resistant steel installing rack, and this installing rack adopts one-body molded, and it has higher structural strength, and the ability of high temperature resistance deformation.High temperature resistant steel installing rack is provided with the reflecting plate with heat radiation reflection function be made up of crystalline material, reflecting plate is rectangular slab, it includes polylith and adopts incline structure to be set on installing rack, thus form the fish scale-shaped reflecting surface with reflection function, the second level insulation construction of side plate is defined by installing rack and reflecting plate.
The concrete structure of cover plate assembly is: be made up the second backboard having support, install miscellaneous part of stainless steel, when setting the second backboard work towards the one side of hot rolling slab be front, front arranges installation groove, heat-insulation layer is set to and installs in groove, thus making side plate have first order insulation construction, heat-insulation layer adopts the material that is high temperature resistant, corrosion resistance characteristic that has conventional in prior art to make.On heat-insulation layer, high temperature resistant pad, then sprays reflectance coating, forms second level insulation construction by high temperature resistant pad and reflectance coating.Second backboard is provided with erecting bed, and acting as of erecting bed can make the second backboard rotate, and is convenient to opening and fastening of cover plate assembly.
Bottom deck assembly entirety adopts high-temperature steel shelf structure, the bottom platform of bottom deck assembly is provided with high temperature resistant rib, so avoids the contact area of hot rolling steel billet and bottom platform, the contact between farthest decreasing by parts and the heat losses that causes.
Designed by said structure, hot rolling slab heat-insulation system provided by the invention, its insulation side board and cover plate assembly all adopt two-stage insulation construction, clearly can reduce the heat losses of high temperature hot rolling slab, high temperature hot rolling slab is slowly lowered the temperature evenly, reaches the object improving hot rolling slab quality.
In an embodiment of the invention, lateral plate component includes two groups, wherein one group is locking assembly, namely fixing vertical mode is adopted to arrange, wherein another group is dynamic assembly, it is directly installed on cover plate assembly and forms an entirety with cover plate assembly, can rotate under the effect of erecting bed with cover plate assembly.Certainly, in the present embodiment, removably is adopted to connect when lateral plate component is that cover plate assembly connects.
In yet another embodiment of the present invention, lateral plate component includes two groups, two groups are locking assembly, namely fixing vertical mode is adopted to arrange, on this basis, cover plate can adopt the cover plate with heat insulation function provided by the invention, also can adopt conventional cover plate, so can improve the flexibility that the present invention uses, change according to concrete instructions for use.
Particularly, reflecting plate includes polylith, and whole reflecting plates is arranged on high temperature resistant steel installing rack with specific inclined at inclination angles.In the present embodiment, reflecting plate is formed with the structure being similar to fish scale, and its reflecting surface area is comparatively large, and heat insulation effect is higher.In addition, reflecting plate adopts and is obliquely installed, and can avoid the middle part directly being fed back to hot rolling steel billet by the heat radiation of reflecting, and improves the uniformity of heat radiation reflection.
In an embodiment of the invention, for the locking assembly in two groups of lateral plate components, the top of its first backboard is provided with built, the bottom of the first backboard is provided with supporting leg, built is used for supporting cover board component, and supporting leg is then for heightening.Based on said structure design, built and supporting leg all adopt adjustable length structural design, for meeting no production requirement.
Particularly, the side of the first backboard is provided with slot, and the opposite side of the first backboard is provided with the plate that can be connected with slot.
In the present invention, reflecting plate slin emissivity, up to 97%, arrives the two ends of hot rolling slab with can ensureing the radiant heat maximum ratio reflected after tilting to install, with the inhomogeneities of two ends temperature in the middle of reducing.
Reflecting plate is the resistant to elevated temperatures crystalline material used in prior art, in the present invention, be resistant to elevated temperatures stainless steel for supporting with the steel construction of fixation reflex plate and cover plate, the work that above-mentioned material all can be steady in a long-term in high temperature environments, and can change by replacing of adaptive temperature.
Crystalline material and stainless steel material all can under damp and hot environment steady operation, to be difficult to be oxidized by the high temperature air of humidity.Mutually can splice between side plate and side plate, and adopt double buckle structure to overlap, effectively can reduce dispersed heat from the gap between each composition structure.
To those skilled in the art, high-temperature water vapor has certain corrosivity, in order to solve water vapour and other chemical substances that may exist cover plate assembly being caused to the problem of corrosion, in the present invention, on the lateral surface of reflectance coating, being provided with anti-corrosion layer.
In order to the water body that water recovery can be produced is discharged, in bottom platform, offer the leaking hole for draining.
In the present invention, after the inner side employing reflecting plate of lateral plate component, its internal surface temperature significantly improves more than 130 DEG C.Reflecting plate slin emissivity, up to 97%, arrives the two ends of hot rolling slab with can ensureing the radiant heat maximum ratio reflected after tilting to install, with the inhomogeneities of two ends temperature in the middle of reducing.The internal surface temperature of lateral plate component significantly raises (more than 130 DEG C) before comparatively transforming, Radiant exothermicity between hot rolling slab and heat-insulation system reduces, simultaneously, heat-insulation system entirety adopts the better heat-insulating material of heat-insulating property and circumferential closed structure, significantly reduce before the hull-skin temperature of cover plate assembly and lateral plate component is comparatively transformed, thus decrease the radiation loss between hot rolling slab and surrounding environment.
Reflecting plate is that resistant to elevated temperatures crystal is made, and is resistant to elevated temperatures stainless steel for supporting with the steel construction of fixation reflex plate and cover plate, the work that above-mentioned material all can be steady in a long-term in high temperature environments, and can change by replacing of adaptive temperature.
Crystalline material and stainless steel material all can under damp and hot environment steady operation, to be difficult to be oxidized by the high temperature air of humidity.The insulation material adopted in base plate is high temperature resistant, corrosion resistant hydrophobic type material.
All adopt double buckle structure to overlap between side plate and side plate, between side plate and cover plate, between cover plate and cover plate, effectively can reduce dispersed heat from the gap between each composition structure.
Equal high temperature resistant bed course of liner in side plate and cover plate, alternately the deformation that produces between different materials of change and making is poor effectively can to overcome Yin Wendu.
In an embodiment of the invention, be provided with for the base reflector plate 13 to lateral plate component direction reflective thermal radiation in bottom platform 10 surface thereof, base reflector plate 13 is arranged between high temperature resistant rib 11.
To those skilled in the art, during the loses heat radiation outside as thermal source of high temperature hot rolled plate, its surrounding enviroment are larger relative to the hot rolled plate temperature difference.Of the present invention acting as is incubated hot rolled plate, occur in order to avoid forming the situation that central temperature is high, peripheral temperature is low, the base reflector plate 13 that the present invention is arranged in bottom platform 10, base reflector plate 13 adopts incline structure to design, so, by heat to hot rolled plate two lateral reflection, the peripheral temperature of hot rolled plate can be improved, make hot rolled plate peripheral temperature close to the temperature of hot rolled plate, thus improve heat insulation effect of the present invention.
Embodiments of the invention provide in order to example with for the purpose of describing, and are not exhaustively or limit the invention to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (9)
1. a hot rolling slab heat-insulation system, is characterized in that,
Comprise lateral plate component, cover plate assembly and bottom deck assembly;
Described lateral plate component includes the first backboard (1), heat insulation module (2), reflection plate assembly; Described first backboard is metal framework structure, and described heat insulation module is arranged in described first backboard; Described reflection plate assembly includes high temperature resistant steel installing rack (3) and reflecting plate (4), described high temperature resistant steel installing rack is arranged on described heat insulation module, and described reflecting plate to be layed on described high temperature resistant steel installing rack and to be formed with the reflecting surface for heat radiation reflected relative with high temperature hot rolling slab;
Described cover plate assembly includes the second backboard (5), is arranged at the heat-insulation layer (6) inside described second backboard, the high temperature resistant pad (7) be arranged on described heat-insulation layer lateral surface, spray the reflectance coating (8) be arranged at for heat radiation being reflected on described high temperature resistant pad, the side of described second backboard is provided with erecting bed (9), described erecting bed and described second backboard hinged;
Described bottom deck assembly includes bottom platform (10), is provided with for taking the high temperature resistant rib (11) putting hot rolling slab in described bottom platform;
Described lateral plate component is divided into the both sides of described cover plate assembly, described bottom deck assembly is arranged at the downside of described cover plate assembly, described lateral plate component, described cover plate assembly and described bottom deck assembly seamless link are formed with the heat-insulation system of tubular structure, and high temperature hot rolling slab is arranged in described heat-insulation system.
2. hot rolling slab heat-insulation system according to claim 1, is characterized in that,
Described reflecting plate includes polylith, and whole described reflecting plates is obliquely installed on described high temperature resistant steel installing rack.
3. hot rolling slab heat-insulation system according to claim 1, is characterized in that,
On described cover plate assembly, be also provided with steel fixation kit, described steel fixation kit is fixedly connected with described second backboard through described high temperature resistant pad, described heat-insulation layer successively.
4. the cover plate assembly on hot rolling slab supply line according to claim 1, is characterized in that,
Anti-corrosion layer (12) is provided with on the lateral surface of described reflectance coating.
5. the cover plate assembly on hot rolling slab supply line according to claim 1, is characterized in that,
Described first backboard is stainless steel first backboard; Described reflecting plate is by the rectangular plate of high temperature resistant Crystallization.
6. the cover plate assembly on hot rolling slab supply line according to claim 1, is characterized in that,
The top of described first backboard is provided with built, the bottom of described first backboard is provided with supporting leg.
7. the cover plate assembly on hot rolling slab supply line according to claim 1, is characterized in that,
The side of described first backboard is provided with slot, and the opposite side of described first backboard is provided with the plate that can be connected with described slot.
8. the cover plate assembly on hot rolling slab supply line according to any one of claim 1 to 7, is characterized in that,
The leaking hole for draining is offered in described bottom platform.
9. the cover plate assembly on hot rolling slab supply line according to claim 8, is characterized in that,
Be provided with for the base reflector plate (13) to described lateral plate component direction reflective thermal radiation in described bottom platform surface thereof, described base reflector plate is arranged between described high temperature resistant rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510783135.4A CN105251782B (en) | 2015-11-17 | 2015-11-17 | Hot rolling slab heat-insulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510783135.4A CN105251782B (en) | 2015-11-17 | 2015-11-17 | Hot rolling slab heat-insulation system |
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| Publication Number | Publication Date |
|---|---|
| CN105251782A true CN105251782A (en) | 2016-01-20 |
| CN105251782B CN105251782B (en) | 2018-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510783135.4A Active CN105251782B (en) | 2015-11-17 | 2015-11-17 | Hot rolling slab heat-insulation system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH071024A (en) * | 1993-06-16 | 1995-01-06 | Imae Kogyo Kk | Heat insulating cover member with heat resistance |
| DE69503168T2 (en) * | 1994-04-12 | 1998-12-17 | Encomech Eng Services | Heat shields for roller tables |
| CN2805964Y (en) * | 2005-06-30 | 2006-08-16 | 宝山钢铁股份有限公司 | Rolling line heat-preserving hood |
| CN1911547A (en) * | 2006-08-24 | 2007-02-14 | 武汉科技大学 | Roller steel billet heat insulating cover |
| CN101367089A (en) * | 2008-09-23 | 2009-02-18 | 沈阳和世泰板带材有限公司 | Method for manufacturing large-volume pure titanium or titanium alloy tape volume |
| CN101670376A (en) * | 2008-09-09 | 2010-03-17 | 严宏生 | Hot rolling heat holding cover |
-
2015
- 2015-11-17 CN CN201510783135.4A patent/CN105251782B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH071024A (en) * | 1993-06-16 | 1995-01-06 | Imae Kogyo Kk | Heat insulating cover member with heat resistance |
| DE69503168T2 (en) * | 1994-04-12 | 1998-12-17 | Encomech Eng Services | Heat shields for roller tables |
| CN2805964Y (en) * | 2005-06-30 | 2006-08-16 | 宝山钢铁股份有限公司 | Rolling line heat-preserving hood |
| CN1911547A (en) * | 2006-08-24 | 2007-02-14 | 武汉科技大学 | Roller steel billet heat insulating cover |
| CN101670376A (en) * | 2008-09-09 | 2010-03-17 | 严宏生 | Hot rolling heat holding cover |
| CN101367089A (en) * | 2008-09-23 | 2009-02-18 | 沈阳和世泰板带材有限公司 | Method for manufacturing large-volume pure titanium or titanium alloy tape volume |
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| Publication number | Publication date |
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| CN105251782B (en) | 2018-04-24 |
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