CN113564334B - Steel coil cooling device - Google Patents
Steel coil cooling device Download PDFInfo
- Publication number
- CN113564334B CN113564334B CN202110745782.1A CN202110745782A CN113564334B CN 113564334 B CN113564334 B CN 113564334B CN 202110745782 A CN202110745782 A CN 202110745782A CN 113564334 B CN113564334 B CN 113564334B
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- China
- Prior art keywords
- steel coil
- plate
- coil cooling
- ventilation
- cooling apparatus
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a steel coil cooling device, which comprises: grid plate, backup pad and fan; the grid plate is positioned on the surface of the supporting plate, the surface of the grid plate is used for placing steel coils to be cooled, and the grid plate is positioned between the supporting plate and the steel coils; the fan is arranged opposite to the steel coil, the grating plate and the supporting plate; the grid plate is provided with a plurality of ventilation holes, the supporting plate is provided with a plurality of ventilation grooves, and the positions of the ventilation holes correspond to the positions of the ventilation grooves. The steel coil cooling device provided by the invention can improve the cooling speed of the steel coil.
Description
Technical Field
The invention relates to the technical field of steel coil annealing, in particular to a steel coil cooling device.
Background
In the heat treatment process, there are widely hood-type annealing and high-temperature annealing, which are different from horizontal continuous annealing in that steel coils are fed into a furnace in a vertical state, the end surfaces of the steel coils are placed perpendicular to a ground plane, and heat treatment is performed in a vertical state. After the annealing furnace is finished, the steel coil is cooled off line, the temperature of the steel coil is about 450 ℃, the steel coil is naturally cooled in a storage area in a traditional cooling mode, the cooling mode has the defects that the cooling temperature rate of the end face at the bottom of the steel coil and the cooling temperature rate of the end face at the top of the steel coil are large, the shape of the steel coil is influenced, in addition, the cooling speed of the end face at the bottom of the steel coil is slow, the cooling time is long, and the production efficiency is seriously influenced. To increase the cooling rate of the steel coil, a novel cooling device is needed after the steel coil is discharged from the furnace.
Disclosure of Invention
According to the embodiment of the application, the steel coil cooling device is provided, so that the steel coil cooling speed can be increased.
The invention provides a steel coil cooling device, which comprises: grid plate, backup pad and fan; the grid plate is positioned on the surface of the supporting plate, the grid plate is used for placing steel coils to be cooled, and the grid plate is positioned between the supporting plate and the steel coils;
the fan is arranged opposite to the steel coil, the grating plate and the supporting plate; the grid plate is provided with a plurality of ventilation holes, the supporting plate is provided with a plurality of ventilation grooves, and the positions of the ventilation holes correspond to the positions of the ventilation grooves.
Preferably, the fan is an axial flow fan.
Preferably, the vent is a circular vent.
Preferably, the diameter of the vent hole ranges from 2cm to 6cm.
Preferably, the thickness of the grating plate ranges from 10 to 30mm.
Preferably, the plurality of ventilation slots are equally spaced apart.
Preferably, the thickness of the supporting plate ranges from 50mm to 150mm.
Preferably, the grating plate is a circular grating plate, and the support plate is a circular support plate.
Preferably, the diameter of the grating plate is larger than the diameter of the steel coil.
Preferably, the grating plate and the support plate have the same diameter.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
when the steel coil cooling device provided by the invention is used for cooling the steel coil, wind blown by the fan forms wind flow through the ventilation grooves of the support plate, the wind flow blows into each ventilation hole of the grating plate and reaches the bottom end face of the steel coil after passing through the ventilation holes, the bottom end face of the steel coil is cooled, the grating plate and the support plate increase the heat exchange area of the bottom end face of the steel coil, so that the heat exchange speed of the bottom end face of the steel coil is increased, the cooling speed of the steel coil is increased, and finally the purpose of rapidly cooling the bottom end face of the steel coil is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a steel coil cooling device provided by the invention;
FIG. 2 is a top view of the grid plate of FIG. 1;
fig. 3 is a top view of the support plate of fig. 1.
Detailed Description
In order to make the technical solution more clearly understood by those skilled in the art, the following detailed description is made with reference to the accompanying drawings.
The invention provides a steel coil cooling device which is used for cooling a steel coil 4. As shown in fig. 1, the coil cooling apparatus includes: grid plate 1, backup pad 2 and fan 3.
The grating plate 1 is positioned on the surface of the supporting plate 2, the surface of the grating plate 1 is used for placing a steel coil 4 to be cooled, and the grating plate 1 is positioned between the supporting plate 2 and the steel coil 4.
The fan 3 is arranged opposite to the steel coil 4, the grating plate 1 and the supporting plate 2, and the fan 3 is an axial flow fan. Specifically, the wind gap of fan 3 sets up with coil of strip 4, grid board 1 and backup pad 2 relatively, carries out the blowing to coil of strip 4 through fan 3.
As shown in fig. 2, the grid plate 1 is provided with a plurality of vent holes 11, the plurality of vent holes 11 can be uniformly distributed to form an array structure, and the diameters of the plurality of vent holes 11 are equal, so that the air flow in the plurality of vent holes 11 is uniform, and the uniform heat dissipation of the steel coil 4 is facilitated. The vent holes 11 are circular vent holes 11, the diameter of the vent holes 11 ranges from 2cm to 6cm, and the thickness of the grating plate 1 ranges from 10 to 30mm, for example, the thickness of the grating plate 1 may be 20mm. The grating plates 1 may be circular, rectangular or other shapes. In one embodiment, the array structure includes a plurality of columns of vent holes 11 arranged in parallel at intervals, and the spacing between each column of vent holes 11 is equal.
As shown in fig. 3, a plurality of ventilation grooves 21 are provided on the support plate 2, the plurality of ventilation grooves 21 are equally spaced apart, and the plurality of ventilation holes 11 correspond to the positions of the plurality of ventilation grooves 21. In one embodiment, the center line of each row of vent holes 11 corresponds to the center line of the corresponding vent slot 21 such that each row of vent holes 11 is directly opposite its corresponding vent slot 21. The width of the ventilation grooves 21 is equal to or greater than the diameter of the ventilation holes 11, so that the uniform air flow of heat dissipation of the steel coil 4 is facilitated, and the uniform heat dissipation of the steel coil 4 is facilitated. The center distance of the adjacent two rows of vent holes 11 is the same as the center distance of the adjacent two rows of vent grooves 21 to ensure that each row of vent holes 11 can correspond to a vent groove 21.
The support plate 2 may be a steel plate, and the thickness of the support plate 2 may range from 50 to 150mm, for example, the thickness of the support plate 2 may be 100mm, to prevent the support plate 2 from being thermally deformed. The support plate 2 is a circular support plate 2.
The grid plate 1 has a diameter larger than the diameter of the coil 4. The grating plates 1 and the support plates 2 have the same diameter.
When the cooling device provided by the invention is used for cooling the steel coil 4, the heat exchange area of the bottom end surface of the steel coil 4 is increased by the grating plate 1 and the supporting plate 2, wind blown by the fan 3 forms wind flow through the ventilation grooves 21 of the supporting plate 2, the wind flow blows into each ventilation hole 11 of the grating plate 1 and reaches the bottom end surface of the steel coil 4 after passing through the ventilation holes 11, the bottom end surface of the steel coil 4 is cooled, the heat exchange area of the bottom end surface of the steel coil 4 is increased by the grating plate 1 and the supporting plate 2, so that the heat exchange speed of the bottom end surface of the steel coil 4 is increased, the cooling speed of the steel coil 4 is increased, and finally the purpose of rapidly cooling the bottom end surface of the steel coil 4 is achieved. And be provided with a plurality of ventilation holes 11 that a plurality of diameters are the same and evenly distributed on grid board 1, be provided with a plurality of ventilation grooves 21 that the width is the same and equidistant distribution on the backup pad 2, coil of strip 4 when the heat dissipation, the air current evenly distributed helps coil of strip 4 evenly dispel the heat.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. A steel coil cooling device, comprising: grid plate, backup pad and fan; the grid plate is positioned on the surface of the supporting plate, the surface of the grid plate is used for placing steel coils to be cooled, and the grid plate is positioned between the supporting plate and the steel coils; the fan is arranged opposite to the steel coil, the grating plate and the supporting plate, and the air supply direction of the fan is vertical to the axial direction of the steel coil; the grid plate is provided with a plurality of ventilation holes, the supporting plate is provided with a plurality of ventilation grooves, the width of each ventilation groove is larger than the diameter of each ventilation hole, and the plurality of ventilation holes correspond to the positions of the plurality of ventilation grooves; the ventilation holes and the ventilation grooves are arranged in parallel at intervals.
2. The steel coil cooling apparatus of claim 1, wherein the fan is an axial flow fan.
3. The coil cooling apparatus of claim 1, wherein the vent is a circular vent.
4. The steel coil cooling apparatus as claimed in claim 1, wherein the diameter of the vent hole ranges from 2cm to 6cm.
5. The steel coil cooling apparatus as claimed in claim 4, wherein the thickness of the grating plate ranges from 10 to 30mm.
6. The steel coil cooling apparatus as set forth in claim 1, wherein the plurality of ventilation slots are equally spaced apart.
7. The steel coil cooling apparatus as set forth in claim 1, wherein the thickness of the support plate ranges from 50 to 150mm.
8. The steel coil cooling apparatus as set forth in claim 1, wherein the grating plate is a circular grating plate and the support plate is a circular support plate.
9. The steel coil cooling apparatus of claim 8, wherein the grid plate has a diameter greater than a diameter of the steel coil.
10. The steel coil cooling apparatus as set forth in claim 8, wherein the grating plate has an equal diameter to the supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745782.1A CN113564334B (en) | 2021-07-01 | 2021-07-01 | Steel coil cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745782.1A CN113564334B (en) | 2021-07-01 | 2021-07-01 | Steel coil cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113564334A CN113564334A (en) | 2021-10-29 |
| CN113564334B true CN113564334B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110745782.1A Active CN113564334B (en) | 2021-07-01 | 2021-07-01 | Steel coil cooling device |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU66244U1 (en) * | 2007-04-11 | 2007-09-10 | Открытое акционерное общество "Северсталь" (ОАО "Северсталь") | DEVICE FOR ACCELERATED COOLING OF HOT ROLLS |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049165C (en) * | 1994-09-27 | 2000-02-09 | 鞍山钢铁公司 | Horizontal air cooling discharging apparatus for coiled steel |
| CN2786142Y (en) * | 2005-03-30 | 2006-06-07 | 宝山钢铁股份有限公司 | Flat type convection plate for bell furnace stacking |
| EP2243846B1 (en) * | 2009-04-24 | 2016-04-20 | China Steel Corporation | Bracing device for an annealing furnace |
| CN201459205U (en) * | 2009-06-23 | 2010-05-12 | 唐山建龙实业有限公司 | Cold-rolled-cover annealing furnace convection disc |
| CN101886166B (en) * | 2010-06-28 | 2011-12-07 | 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 |
| CN202099353U (en) * | 2011-05-19 | 2012-01-04 | 中冶南方(武汉)威仕工业炉有限公司 | Movable final cooling table for bell-type furnace |
| JP6024922B2 (en) * | 2013-12-19 | 2016-11-16 | Ｊｆｅスチール株式会社 | Coil cooling method after finish annealing |
| CN203715687U (en) * | 2014-02-18 | 2014-07-16 | 太原晋西春雷铜业有限公司 | Convection plate device for annealing large roll strip elevator furnace |
| CN103805767B (en) * | 2014-02-25 | 2015-06-24 | 北京首钢国际工程技术有限公司 | Steel coil support device for oriented silicon steel high-temperature heat treatment furnace with flow guide plates |
| CN206428285U (en) * | 2017-01-13 | 2017-08-22 | 天津市港华特种线材厂 | A kind of wire strands annealing device |
| CN112853052B (en) * | 2019-11-28 | 2022-06-28 | 宝山钢铁股份有限公司 | Control method for high-temperature annealing of oriented silicon steel |
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- 2021-07-01 CN CN202110745782.1A patent/CN113564334B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU66244U1 (en) * | 2007-04-11 | 2007-09-10 | Открытое акционерное общество "Северсталь" (ОАО "Северсталь") | DEVICE FOR ACCELERATED COOLING OF HOT ROLLS |
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| CN113564334A (en) | 2021-10-29 |
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