CN2786142Y - Flat type convection plate for bell furnace stacking - Google Patents
Flat type convection plate for bell furnace stacking Download PDFInfo
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- CN2786142Y CN2786142Y CN 200520040523 CN200520040523U CN2786142Y CN 2786142 Y CN2786142 Y CN 2786142Y CN 200520040523 CN200520040523 CN 200520040523 CN 200520040523 U CN200520040523 U CN 200520040523U CN 2786142 Y CN2786142 Y CN 2786142Y
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- surface plate
- diversion
- convection current
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Abstract
The utility model relates to a flat type convection plate for bell furnace stacking, which is arranged in a bell type furnace. The utility model comprises an upper surface plate, a lower surface plate and diversion ribbed plates, wherein the upper surface plate and the lower surface plate have center through holes and diversion holes so as to ensure convection heat transfer; the diversion ribbed plates are arranged alternately between the upper surface plate and the lower surface plate, diversion air channels are formed between the upper surface plate and the lower surface plate, and the diversion holes in the upper surface plate and the lower surface plate form screw-shaped distribution; the inner circumference and the outer circumference of the convection plate, the upper surface plate and the lower surface plate are designed in the form of a chamfer. The utility model has the advantages that the structure of a flat plate type surface plate (a non diversion ribbed plate), and a middle interlayer diversion (a pad air channel) is used in the utility model, and a supporting plate of the existing convection plate is changed to be a flat plate type plate so as to maximize the effective supporting area. Therefore, the defect that pressure on a unit area of the contact position between a diversion ribbed plate of a convection plate and a steel roll increases with the increase of the weight of the steel roll is overcome. The adhesion of the edge of a steel roll is effectively prevented, heat transfer effect is enhanced and work efficiency is improved. By reducing temperature difference between the inside and the outside of the steel roll, the consistency of the performance of the steel roll is improved and adhesion between two layers of the steel roll is prevented.
Description
Technical field
The utility model relates to Equipment for Heating Processing field, particularly bell type annealing furnace.
Background technology
Cold rolled sheet, belt steel product have that surface quality is good, dimensional precision is high and advantages such as favorable mechanical, processing performance, is widely used in all trades and professions.Along with science and technology development, a series of machineries of cold rolling industry, electrical equipment, control, roll cooling problem have obtained corresponding solution, and roll speed is also improving constantly.For recovery rate and the milling train effective operation rate that improves product, must improve the length of stable rolling section, it is heavy just to strengthen volume.The maximum volume-weight of cold rolled strip has reached 46 tons at present.And thermal treatment is in order to recover because of rolling destructive crystal structure, to improve punching performance as the cold-rolled products important procedure.Bell type annealing furnace is annealed to the demanding upright volume of bell furnace that all adopts of deep drawability because the annealing performance is better than continuous annealing furnace.
As shown in Figure 1, in the bell type annealing furnace 10, convection current plate 20 highly is provided with along annealing furnace 10, and 30 is thermocouple.There is part plan poor (local turriform) in the coil of strip end face, the genetic analysis of defective: the cold-rolled products such as the coated steel strips of general high request, also to carry out degreasing after rolling to remove the remaining grease of steel strip surface, reduce coiling tension simultaneously, prevent layer with layer between do not open because of bonding and to scrap.Because starting and the ending phase variation that have speed of coil of strip on reeling machine, general about 15 tons heavy coil of strip rotating speeds are from 1000m/s general who has surrendered to 0, state-of-the-art unit also takes 16 seconds, just about 300m, the coil of strip of different size can stay the thick different local turriform of volume, tension force distribution on plate is wide simultaneously can be subjected to the influence of plate shape, velocity variations, cause to produce between layer and the layer and batch the difference of height (being commonly called as turriform) that overflows (being commonly called as bleeding edge) and whole end face, more advanced in the world unit bleeding edge standard is 0.5mm at present, turriform 5mm.This also is subjected to the restriction of equipment travelling speed and control response speed.It mainly is that from the analysis of end face strained condition as can be seen, the stressed pressure of coil of strip end face highly is directly proportional with load-bearing, is inversely proportional to the useful area rate because of convection current plate shape, unreasonable structure.Because effective bearing surface of former convection current plate is fan-shaped distribution, support bar be generally 12～16 uniform, effective Area of bearing 40%～50%.The whole bearing surface of former convection current plate is dull and stereotyped on the structure, does not meet coil of strip end face actual form, causes steel taping head portion pressurized especially severe, produces limit portion bonding, has a strong impact on the recovery rate and the effective operation time of finished product unit.Steel flanging part impression can give smooth unit production bring operating rate low, cut and decrease negative impacts such as many, that labour intensity is big.In uncoated tinplate base was produced, this impression can the serious raising that restricts smooth unit production capacity especially.
Summary of the invention
The purpose of this utility model is to design a kind of bell furnace stacking with flat convection current plate, solves in the perhydro bell furnace unit thin material of production (coil of strip of thickness≤0.35mm) the steel flanging part impression that the convection current plate causes.
For achieving the above object, technical solution of the present utility model, the bell furnace stacking is installed in the bell furnace with flat convection current plate, comprises that upper and lower panel has central through hole and pod apertures on it, guarantee transmission of heat by convection; The water conservancy diversion gusset is arranged between the described upper and lower panel, and each water conservancy diversion gusset is provided with at interval, forms the water conservancy diversion air channel between upper and lower panel.
Further, the pod apertures on the described upper and lower panel is connected with described water conservancy diversion air channel.
Pod apertures on the described upper and lower panel is curved; Pod apertures on the described upper and lower panel adopts volution to distribute; Pod apertures on the upper and lower panel is symmetrical arranged; Make every layer of focus deflection, reduced the internal-external temperature difference of coil of strip, so both improved wind speed and changed wind direction, also favourable thermal conduction.
Described upper and lower panel convection current plate internal and external circumference is designed to chamfering (negative taper), the load-bearing district of convection current plate is arranged in batches the speed stabilizing district, more to press close to the actual scroll of coil of strip, prevents because the bonding that is caused is overflowed in limit portion.(3 constitute planes in theory, and for batching coil of strip, the reeling machine that precision is high is more also started to walk unavoidably and speed change causes when stopping overflows.)
Described upper and lower panel excircle waviness shape.
Advantage of the present utility model is:
Adopt the structure of flat panel (no water conservancy diversion gusset), intermediate course (bed course ventilation duct) water conservancy diversion, the back up pad of convection current plate changes into flat now, make effective Area of bearing be put into maximum, solved the disadvantage that heavily increases convection current plate water conservancy diversion gusset and the increase of coil of strip contact site compressive load per unit area with volume, prevented that effectively steel flanging part agglutinating from producing; Strengthen heat-transfer effect, improve work efficiency.By reduce the coil of strip internal-external temperature difference improve the consistence of coil of strip performance and prevent the coil of strip layer and the layer between the bonding.Internal and external circumference is established chamfering (negative taper), make the convection current plate in application, more press close to the actual scroll of coil of strip.Under shove charge weight unanimity, specification is identical, annealing process is identical prerequisite, annealing back coil of strip internal and external parts consistency of performance is guaranteed; Coil of strip end face inspection after coming out of the stove, convection current plate impression obviously improves.Must produce for smooth unit and to have created favourable condition; The operating rate of smooth unit and recovery rate all obviously improve.
Description of drawings
Fig. 1 is existing flat convection current plate synoptic diagram.
Fig. 2 is the utility model structural representation.
Fig. 3 is the sectional view of Fig. 2.
Embodiment
Referring to Fig. 2, Fig. 3, bell furnace stacking of the present utility model is installed in the bell furnace with flat convection current plate, comprise top panel 1, lower panel 2, have central through hole 11,21 and several pod apertures 12,22 on it, pod apertures 12,22 is curved, adopts volution to distribute; Several water conservancy diversion gussets 3 are arranged between described top panel 1, the lower panel 2, and each water conservancy diversion gusset 3 is provided with at interval, forms a plurality of water conservancy diversion air channel 31 between upper and lower panel, and described pod apertures 12,22 is connected with water conservancy diversion air channel 31.
Gas outwards circulation from flat convection current intralamellar part gas central through hole 11,21 during use; Flowing through internal gas central through hole 11,21 o'clock, conducting heat to coil of strip 4 by upper and lower panel 1,2 gas flow guiding air channels 31 again.
See also Fig. 2 again, described upper and lower panel 1,2 convection current plate internal and external circumferences of the present utility model are designed to chamfering (negative taper), the load-bearing district of convection current plate is arranged in batches the speed stabilizing district,, prevent because the bonding that is caused is overflowed in limit portion more to press close to the actual scroll of coil of strip; Described upper and lower panel 1,2 excircle waviness shapes.
Adopt the utility model, by reducing production efficiency and the recovery rate that steel flanging part impression improves smooth unit; Increase the purpose that thermo-efficiency reaches the inside and outside performance unanimity of coil of strip.Reduced investment is arranged, instant effect, the advantage of saving the energy.
Claims (9)
1. the bell furnace stacking is installed in the bell furnace with flat convection current plate, it is characterized in that, comprises that upper and lower panel has central through hole and pod apertures on it;
The water conservancy diversion gusset is arranged between the described upper and lower panel, and each water conservancy diversion gusset is provided with at interval, forms the water conservancy diversion air channel between upper and lower panel.
2. bell furnace stacking as claimed in claim 1 is characterized in that with flat convection current plate the pod apertures on the described upper and lower panel is connected with described water conservancy diversion air channel.
3. bell furnace stacking as claimed in claim 1 is characterized in that with flat convection current plate the pod apertures on the described upper and lower panel is curved.
4. bell furnace stacking as claimed in claim 1 or 2 is characterized in that with flat convection current plate the pod apertures on the described upper and lower panel adopts volution to distribute.
5. bell furnace stacking as claimed in claim 1 or 2 is characterized in that with flat convection current plate the pod apertures on the described upper and lower panel is symmetrical arranged.
6. bell furnace stacking as claimed in claim 3 is characterized in that with flat convection current plate the pod apertures on the described upper and lower panel is symmetrical arranged.
7. bell furnace stacking as claimed in claim 1 is characterized in that with flat convection current plate described upper and lower panel convection current plate internal and external circumference is designed to chamfering.
8. bell furnace stacking as claimed in claim 1 is characterized in that described upper and lower panel excircle waviness shape with flat convection current plate.
9. bell furnace stacking as claimed in claim 1 is characterized in that with flat convection current plate described water conservancy diversion gusset is sector structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520040523 CN2786142Y (en) | 2005-03-30 | 2005-03-30 | Flat type convection plate for bell furnace stacking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520040523 CN2786142Y (en) | 2005-03-30 | 2005-03-30 | Flat type convection plate for bell furnace stacking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2786142Y true CN2786142Y (en) | 2006-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520040523 Expired - Fee Related CN2786142Y (en) | 2005-03-30 | 2005-03-30 | Flat type convection plate for bell furnace stacking |
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| Country | Link |
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| CN (1) | CN2786142Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886166A (en) * | 2010-06-28 | 2010-11-17 | 莱芜钢铁股份有限公司 | High-efficiency annealing furnace capable of avoiding bonding of cold-rolled strip steel and operating method thereof |
| CN101948081A (en) * | 2010-09-17 | 2011-01-19 | 莱芜钢铁股份有限公司 | Accessory system for fast stacking of annealed steel coil and operation method thereof |
| CN101956062A (en) * | 2010-10-14 | 2011-01-26 | 贾会平 | Furnace platform of bell-type furnace |
| CN101967550A (en) * | 2010-09-17 | 2011-02-09 | 莱芜钢铁股份有限公司 | Annealed steel coil quick stacking device and operation method thereof |
| CN103415389A (en) * | 2011-01-03 | 2013-11-27 | 艾维尔技术公司 | Improved outer cooling loop |
| CN103960319A (en) * | 2013-01-24 | 2014-08-06 | 广州华优食品加工机械有限公司 | Electromagnetic induction fryer |
| CN108070708A (en) * | 2017-11-22 | 2018-05-25 | 武汉钢铁有限公司 | For carrying out the insulation board of oriented steel the high temperature anneal combination unit and method |
| CN108504851A (en) * | 2018-06-08 | 2018-09-07 | 江阴森豪金属科技有限公司 | A kind of metal coil tape high-temperature heat treatment bell furnace and application |
| CN109880995A (en) * | 2019-03-01 | 2019-06-14 | 广东宝盛兴实业有限公司 | A kind of cold-rolled strip prevents the device of bonding in bell type annealing furnace production |
| CN113564334A (en) * | 2021-07-01 | 2021-10-29 | 首钢智新迁安电磁材料有限公司 | Steel coil cooling device |
-
2005
- 2005-03-30 CN CN 200520040523 patent/CN2786142Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886166A (en) * | 2010-06-28 | 2010-11-17 | 莱芜钢铁股份有限公司 | High-efficiency annealing furnace capable of avoiding bonding of cold-rolled strip steel and operating method thereof |
| CN101948081A (en) * | 2010-09-17 | 2011-01-19 | 莱芜钢铁股份有限公司 | Accessory system for fast stacking of annealed steel coil and operation method thereof |
| CN101967550A (en) * | 2010-09-17 | 2011-02-09 | 莱芜钢铁股份有限公司 | Annealed steel coil quick stacking device and operation method thereof |
| CN101948081B (en) * | 2010-09-17 | 2012-09-05 | 山东钢铁股份有限公司 | Accessory system for fast stacking of annealed steel coil and operation method thereof |
| CN101967550B (en) * | 2010-09-17 | 2013-01-16 | 山东钢铁股份有限公司 | Annealed steel coil quick stacking device and operation method thereof |
| CN101956062A (en) * | 2010-10-14 | 2011-01-26 | 贾会平 | Furnace platform of bell-type furnace |
| CN103415389A (en) * | 2011-01-03 | 2013-11-27 | 艾维尔技术公司 | Improved outer cooling loop |
| CN103415389B (en) * | 2011-01-03 | 2015-11-25 | 艾维尔技术公司 | The outer cooling circuit improved |
| US9784503B2 (en) | 2011-01-03 | 2017-10-10 | Quintus Technologies Ab | Outer cooling loop |
| CN103960319A (en) * | 2013-01-24 | 2014-08-06 | 广州华优食品加工机械有限公司 | Electromagnetic induction fryer |
| CN108070708A (en) * | 2017-11-22 | 2018-05-25 | 武汉钢铁有限公司 | For carrying out the insulation board of oriented steel the high temperature anneal combination unit and method |
| CN108070708B (en) * | 2017-11-22 | 2019-10-25 | 武汉钢铁有限公司 | Insulation board for carrying out oriented steel the high temperature anneal combines the unit and method |
| CN108504851A (en) * | 2018-06-08 | 2018-09-07 | 江阴森豪金属科技有限公司 | A kind of metal coil tape high-temperature heat treatment bell furnace and application |
| CN109880995A (en) * | 2019-03-01 | 2019-06-14 | 广东宝盛兴实业有限公司 | A kind of cold-rolled strip prevents the device of bonding in bell type annealing furnace production |
| CN113564334A (en) * | 2021-07-01 | 2021-10-29 | 首钢智新迁安电磁材料有限公司 | Steel coil cooling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060607 Termination date: 20140330 |