CN106793226B - A kind of strip continuous casting and rolling induction heating apparatus - Google Patents
A kind of strip continuous casting and rolling induction heating apparatus Download PDFInfo
- Publication number
- CN106793226B CN106793226B CN201710011781.8A CN201710011781A CN106793226B CN 106793226 B CN106793226 B CN 106793226B CN 201710011781 A CN201710011781 A CN 201710011781A CN 106793226 B CN106793226 B CN 106793226B
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- Prior art keywords
- planar inductor
- strip
- continuous casting
- induction heating
- inductor
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
- H05B2206/02—Induction heating
Abstract
The invention discloses a kind of strip continuous casting and rolling induction heating apparatus, including multiple sensing heaters that interval transmission carrying roller is arranged side by side, each sensing heater includes two pairs of planar inductors being arranged side by side along plate width direction；The each pair planar inductor is made up of lower floor's planar inductor and upper strata planar inductor；Lower floor's planar inductor and upper strata planar inductor are correspondingly arranged；Strip can be passed through by transmitting carrying roller between upper strata planar inductor and lower floor's planar inductor；The planar inductor includes being spaced multiple teeth portion along sheet material moving direction on plane iron core, the plane iron core, teeth groove is formed between two neighboring teeth portion, coil winding is in the iron core teeth portion.The device can realize online quick sensing heating to different size strip, can prevent strip deformation and shock of the warpage to planar inductor, add the security reliability of equipment, it is ensured that the stabilization of rhythm of production in the case where front end-plate band is without burning.
Description
Technical field
Filled the invention belongs to strip continuous casting and rolling technical field of heating, more particularly to a kind of strip continuous casting and rolling sensing heating
Put, be particularly suitable for use in the on-line continuous sensing heating of sheet metal.
Background technology
With the development of science and technology using casting and rolling process, excellent high-strength of property steel plate such as welding performance is realized
The production of steel, Steels for High Rise Buildings and large ship steel etc., the target pursued as people.However, by continuous casting billet milling into
The strip of different shape and specification is, it is necessary to continuous casting billet progress concurrent heating again, could continue processing rolling.Moreover, strip is online
Material structure transformation of the quick heating to strip has material impact, and the final performance to strip is most important, therefore, realizes plate
The quick on-line heating of band is to obtain one of key technology of high-performance specific panel band.
Realize during the industrialization online sensing heating of strip, current induction heating apparatus has three：(1) it is same
One inductor can not be adjusted flexibly according to strip different-thickness with width equal-specification, to obtain the high efficiency of heating surface, uniform temperature
Degree distribution.And same continuous casting and rolling production line, generally require to roll the strip of different size.Such as Japan Patent
JP2004074277A, JP2002226912A, JP2003082412A and Chinese patent CN200810196998, using spiral shape
The induction heating equipment of coil, because that can not adjust the space length of coil inside, does not just apply to different plates wide and thickness of slab strip
Heating.(2) the problem of strip after being heated there are end burning, although have the inductor of heater at present using laterally
Magnetic Field Design, can be according to steel plate thickness and production emergency situations adjustment coil-span, but there is the heating incipient stage, in inductor
The problem of induced-current is assembled and causes temperature burning at this in strip near front and back end.Such as patent US6498328B2 and
US5739506 is heated using transverse magnetic field to individual plates band, although coil-span is adjustable, but there is sense near strip front end
The problem of induced current is assembled and causes temperature burning at this.Chinese patent CN105698525A, it is desirable to by same inductor
Space length before and after different shared by coil copper pipes, the problem of to solve the burning nearby of strip front end, but is ignored most basic
Principle：The magnetic line of force that inductor is excited is to exhale to come out of iron core.The spacing of copper pipe before and after change coil, it is impossible to solve plate
The problem of band front end burning.(3) security and stability of equipment has much room for improvement.During rolling production, the iron scale heap of generation
Product on steel plate, add strip end warpage, deformation, easily when strip is by inductor, with inductor occur interim card or
Hit, cause device damage or performance unstable, and influence the rhythm of whole production line.Patent CN105648203A, there is consideration
Top sensor location is adjusted according to strip thickness, but without details is implemented, does not also account for the heating of different plate widths
Situation.
The content of the invention
It is an object of the invention to provide a kind of strip continuous casting and rolling induction heating apparatus, the device is in front end-plate band without mistake
In the case of burning, online quick sensing heating can be realized to different size strip, strip deformation and warpage can be prevented to plane sense
The shock of device is answered, the security reliability of equipment is added, it is ensured that the stabilization of rhythm of production.
In order to solve the above technical problems, strip continuous casting and rolling induction heating apparatus provided by the present invention, including interval are passed
Send multiple sensing heaters that carrying roller is arranged side by side, each sensing heater include it is some to along plate width direction side by side
The planar inductor of arrangement；The each pair planar inductor is made up of lower floor's planar inductor and upper strata planar inductor；It is described
Lower floor's planar inductor and upper strata planar inductor are correspondingly arranged；Strip by transmit carrying roller can from upper strata planar inductor and
Pass through between lower floor's planar inductor；The exciting curent of planar inductor of feeding is pointed to along plate width, by planar inductor
The alternating magnetic field excited is penetrated into strip, because the alternating characteristics in magnetic field are inducted induced-current in strip, induced electricity miscarriage
Raw Joule heat implements online sensing heating to strip, and the planar inductor includes edge on plane iron core, the plane iron core
Sheet material moving direction has been spaced multiple teeth portion, teeth groove is formed between two neighboring teeth portion, coil winding is in the iron core teeth
In portion.
On the plane iron core in the coil of arbitrary neighborhood direction of current flow on the contrary, size of current, phase and frequency phase
Together.
Direction of current flow, size of current, phase and frequency in the upper strata planar inductor and lower floor's planar inductor
All same.
The planar inductor is arranged on fixed frame, for the heating requirements of different size strip, each pair plane sense
Lower floor's planar inductor and upper strata planar inductor in device is answered to realize upper bottom left by the governor motion on fixed frame
Right online quick regulation.
It is additionally provided with the fixed frame to strip and is blown the blow device that high pressure nitrogen opens iron scale purging.
The space width at the plane iron core two ends is more than 2 times of middle other space widths.
The plane iron core is formed by high magnetic conduction silicon steel plate packing.
The coil is 0 shape coil, is formed by high conductivity material coiling, and coil number is even number, between adjacent windings between
Every a teeth portion.
The planar inductor also includes protective plate and shell；The plane iron core is installed in the shell；Bottom surface pad
There is protective plate.
Described planar inductor protective plate, by not magnetic conduction, non-conductive, high temperature resistant and heat-insulated high strength composite system
Into.
The present invention is a set of induction heating apparatus suitable for strip casting, and upper and lower layer plane inductor is respectively arranged in
The upper and lower both sides of strip, teeth groove configuration plane core design mainly has from the aspect of four：1. upper and lower layer plane inductor is shortened
The magnetic circuit for exciting magnetic field, beneficial to reduction exciting power；2. multiple tooth channel greatly simplifies the design of iron core cooling water channel, is beneficial to
Iron core radiates.Because the excitation power supply for planar inductor is high current, high voltage, the electric parameter of high frequency, thus simplify
One big technical barrier of iron core vortex heating processing；The structure of monodentate, the coiling multiturn on monodentate are used conventional inductor more
Coil, generally requires the iron core cooling water channel structure of complexity, just can guarantee that the cooling effect of iron core.Both equipment cost is added,
Again difficulty is added to plant maintenance and maintenance.Designed using teeth groove configuration plane core structure, this problem can be solved just.
3. it is beneficial to eliminate the vortex in transmission carrying roller, adds the service life of transmission carrying roller.Transmission carrying roller is the motion of loading plate band
The requirement of drive apparatus, intensity and hardness is higher, many at present to be made using stainless steel.And the transmission carrying roller of stainless steel adds in sensing
Eddy-current heating is there is near thermal serious, or even the problem of sparking.Make to produce in strip using the structure design of teeth groove configuration
Raw vortex circulation number is even number, is transmitting induced-current size phase of the carrying roller left and right sides by both sides planar inductor just
Together, offset in the opposite direction.Ensure basic no current circulation in transmission carrying roller, add the security reliability of equipment, also avoid
Personal injury due to vortex sparking to operator.4. the magnetic line of force of teeth groove configuration plane iron core front and back ends with respect to center compared with
It is dilute, and the magnetic line of force is uniformly next through being exhaled in iron core teeth, realizes to the uniform heating of steel plate, solves asking for steel plate front end burning
Topic.
Compared with prior art, its advantage is the present invention：
1) same induction heating apparatus can be applicable the thickness of different size and the sensing heating of width strip, improve and set
Standby applicability and utilization rate.
2) technical barrier of strip front end burning is solved, it is to avoid cause waste of material for excision burning strip.
3) security reliability of equipment is added.The present apparatus is filled by increasing vertical and horizontal mobile drive deivce, purging
Put, the design of teeth groove configuration iron core, add the convenience and security performance of a complete set of equipment.
4) it is beneficial to reduction exciting power.The present apparatus is realized to different rule by increasing vertical and horizontal mobile drive deivce
The heating of panel band minimum air spacing, reduces the exciting power of equipment.
Using the strip casting induction heating apparatus based on teeth groove configuration plane inductor, the efficient fast of strip can be realized
Fast laser heating processing, obtains high performance strip, can flexibly apply to the online sensing heating of different size strip again, improve
The utilization rate of equipment, saves production cost, improves product quality and the market competitiveness, has broad application prospects.
Brief description of the drawings
Fig. 1 is frame diagram of the invention；
Fig. 2 is the distribution schematic diagram of midplane inductor of the present invention；
Fig. 3 is the structural representation of paired planar inductor in the present invention；
Fig. 4 is the distribution diagram of magnetic line of force that planar inductor of the present invention is excited；
Wherein：1- transmits carrying roller；2- sensing heaters；3- strips；4- lower floors planar inductor；5- upper stratas plane sense should
Device；6- shells；7- plane iron cores；71- teeth portion；72- teeth groove；8- coils；9- planar inductor protective plates；10- fixed frames；
11- support bars；12- upright slide rails；13- horizontal slide rails；14- induced-currents；15- transversal driving mechanisms；16- zigzag tread patterns machines
Structure；17- sliding blocks；18- blow devices.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, strip continuous casting and rolling induction heating apparatus provided by the present invention, including interval transmission support
Multiple sensing heaters 2 that roller 1 is arranged side by side, each sensing heater 2 includes two pairs along the width of strip 3 and arranged
The planar inductor put；Two pairs of planar inductor size of current that the width is arranged side by side are identical, in the opposite direction, strip
Interior two induced-current circulation center section can be overlapped mutually, and reach the purpose of energy-conservation；The each pair planar inductor is by lower floor
Planar inductor 4 and upper strata planar inductor 5 are constituted；Lower floor's planar inductor 4 and upper strata planar inductor 5 correspondence is set
Put；Strip 3 can be passed through by transmitting carrying roller 1 between upper strata planar inductor 5 and lower floor's planar inductor 4；The plane
Inductor includes being spaced multiple teeth portion 71 along the moving direction of strip 3 on plane iron core 7, the plane iron core 7, adjacent
Teeth groove 72 is formed between two teeth portion 71；Coil winding is in the iron core teeth portion 71；Coil number is even number, adjacent windings electric current
In the opposite direction, size of current, phase and frequency are identical；Feed planar inductor exciting curent along the width of strip 3 point to, by
The alternating magnetic field that planar inductor is excited is penetrated into strip 3, because the alternating characteristics in magnetic field are inducted induced electricity in strip 3
Stream, the Joule heat that induced-current is produced implements online sensing heating, the upper strata planar inductor and lower floor's plane sense to strip 3
Answer the direction of current flow flowed through in device, size of current, phase and frequency identical.
As shown in Fig. 2 the interchangeability to ensure equipment, upper strata planar inductor 5, the internal junction of lower floor's planar inductor 4
Structure design is consistent, is all made up of shell 6, plane iron core 7, multigroup 0 shape coil 8 and planar inductor protective plate 9；0 shape coil 8 around
System is in the teeth portion 71 of teeth groove configuration plane iron core 7；The bottom of shell 6 is provided with planar inductor protective plate 9, the plane iron core
7 are positioned on the planar inductor protective plate 9 and are placed in shell 6；Described plane iron core 7 by high magnetic conduction silicon steel plate packing and
Into 0 described shape coil 8 is generally formed by high conductivity material by flat copper band or copper pipe coiling, two 0 shape coils of arbitrary neighborhood
A teeth portion is separated between 8, the space width at the two ends of plane iron core 7 is more than 2 times of middle other space widths, institute
Planar inductor protective plate 9 is stated to be made up of not magnetic conduction, non-conductive, high temperature resistant and heat-insulated high-strength material.
As shown in figure 3, the sensing heater is fixedly mounted on square fixed frame 10, for different size strip
Heating requirements, lower floor's planar inductor 4 and upper strata planar inductor 5 in each pair planar inductor can pass through fixed frame
Governor motion on 10 realizes online quick regulation up and down, and a sensing heater has four pieces of planar inductors, two pieces
Upper strata planar inductor, Liang Kuai lower floors planar inductor；Two layers of planar inductor is arranged on fixed frame 10, is respectively placed in plate
The upper and lower both sides of band；The governor motion includes being correspondingly provided with the support bar 11 in the top and bottom of fixed frame 10, described
The left end and right-hand member of fixed frame 10 are correspondingly provided with upright slide rail 12, the two ends of the support bar 11 respectively perpendicular to strip direction
It is slidably connected with the upright slide rail 12, horizontal slide rail 13 is offered along plate width direction on the support bar 11；On described
Layer plane inductor 5 and lower floor's planar inductor 4 pass through the sliding block 17 installed in the top of shell 6 and the horizontal slide rail 13 respectively
It is slidably connected；The fixed frame 10 is erected provided with the driving upper strata planar inductor 5 and lower floor's planar inductor 4 along described
Transversal driving mechanism 15 and longitudinal driving mechanism 16 that straight slide rail 12 and horizontal slide rail 13 are moved.
Upper strata planar inductor 5 can by longitudinal driving mechanism 16, along upright slide rail 12 adjust upper strata planar inductor 5 with
The fore-and-aft distance of the upper surface of strip 3；Similarly, lower floor's planar inductor 4 also can be by longitudinal driving mechanism 16, along upright slide rail 12
Adjust the fore-and-aft distance between lower floor's planar inductor 4 and the lower surface of strip 3；Before strip 3 is not by inductor, upper and lower inductor
Spacing widened by longitudinal driving mechanism, after the front end of strip 3 is by inductor, regulation longitudinal driving mechanism reduce inductor
With the distance between strip 3, it is ensured that heating effect；The abnormal warpage in steel plate end is avoided, deforms and occurs interim card with planar inductor
Or hit, cause the damage of inductor equipment or performance unstable and influence the rhythm of whole production line.To the plate of different in width
Band, can adjust position of the planar inductor on plate width direction, it is ensured that different in width strip 3 by transversal driving mechanism 15
Heating effect.One sensing heater is designed with blow device 18, and the interval of blow device 18 to steel plate is blown high pressure nitrogen
Iron scale purging is opened, it is to avoid iron scale accumulation and the situation that causes planar inductor to occur interim card occurs.
To avoid the induced-current 14 in strip 3 from forming circulation in transmission carrying roller 1 by transmitting carrying roller 1, transmission support
The planar inductor interior loop sense of current of the both sides of roller 1 is conversely, because strip induced currents direction and the sense of current in coil
On the contrary, the Direction of circulation of the induced-current 14 i.e. in carrying roller biside plate band is also opposite.
To prevent the cooling problem of the front end burning of strip 3 and high-power heater plane iron core 7, planar inductor iron core 11
The structure type of teeth cellss is designed to, Fig. 4 is the magnetic line of force distribution schematic diagram of actual plane inductor；From fig. 4, it can be seen that plane iron
The magnetic line of force of the front and back ends of core 7 is diluter with respect to center, and the magnetic line of force is uniformly penetrated in iron core teeth to exhale and, and uniformly strip 3 is entered
Row heating.
Embodiment of the present invention is only the description carried out to the preferred embodiment of the present invention, not to structure of the present invention
Think and scope is defined, on the premise of design philosophy of the present invention is not departed from, engineers and technicians are to the present invention in this area
Technical scheme make all variations and modifications, all should fall into protection scope of the present invention, claimed technology of the invention
Hold, all recorded in detail in the claims.
Claims (10)
1. a kind of strip continuous casting and rolling induction heating apparatus, it is characterised in that：Including interval transmission carrying roller be arranged side by side it is multiple
Sensing heater, each sensing heater includes two pairs of planar inductors being arranged side by side along plate width direction；It is described
Each pair planar inductor is made up of lower floor's planar inductor and upper strata planar inductor；Lower floor's planar inductor and upper strata are flat
Face inductor is correspondingly arranged；Strip can be led to by transmitting carrying roller between upper strata planar inductor and lower floor's planar inductor
Cross；The planar inductor includes being spaced multiple teeth portion along sheet material moving direction on plane iron core, the plane iron core,
Teeth groove is formed between two neighboring teeth portion, coil winding is in the iron core teeth portion, the exciting curent edge for planar inductor of feeding
Plate width is pointed to, and the alternating magnetic field excited by planar inductor is penetrated into strip, because the alternating characteristics in magnetic field are in plate
The interior induced-current of inducting of band, the Joule heat that induced-current is produced is to the online sensing heating of strip implementation.
2. strip continuous casting and rolling induction heating apparatus according to claim 1, it is characterised in that：The plane iron core is taken up an official post
Direction of current flow is on the contrary, size of current, phase and frequency are identical in the adjacent coil of meaning.
3. strip continuous casting and rolling induction heating apparatus according to claim 2, it is characterised in that：The upper strata plane sense should
Device is identical with the direction of current flow, size of current, the phase and frequency that are flowed through in lower floor planar inductor.
4. strip continuous casting and rolling induction heating apparatus according to claim 3, it is characterised in that：Transmit carrying roller front and rear sides
Planar inductor in direction of current flow on the contrary, size of current, phase and frequency are identical.
5. strip continuous casting and rolling induction heating apparatus according to claim 4, it is characterised in that：The sensing heater is consolidated
Dingan County is on fixed frame, for the heating requirements of different size strip, and lower floor's plane sense in each pair planar inductor should
Device and upper strata planar inductor can realize online quick regulation up and down by the governor motion on fixed frame.
6. strip continuous casting and rolling induction heating apparatus according to claim 5, it is characterised in that：On the fixed frame
It is additionally provided with to strip and is blown the blow device that high pressure nitrogen opens iron scale purging.
7. strip continuous casting and rolling induction heating apparatus according to claim 1 or 2, it is characterised in that：The plane iron core
The space width at two ends is more than 2 times of middle other space widths.
8. strip continuous casting and rolling induction heating apparatus according to claim 4, it is characterised in that：The coil is 0 shape line
Circle, is formed by high conductivity material coiling, and coil number is that a teeth portion is spaced between even number, adjacent windings.
9. strip continuous casting and rolling induction heating apparatus according to claim 1, it is characterised in that：The planar inductor is also
Including protective plate and shell；The plane iron core is installed in the shell, and bottom surface is lined with protective plate.
10. strip continuous casting and rolling induction heating apparatus according to claim 9, it is characterised in that：Described protective plate by
Magnetic conduction, non-conductive, high temperature resistant and heat-insulated high strength composite are not made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710011781.8A CN106793226B (en) | 2017-01-06 | 2017-01-06 | A kind of strip continuous casting and rolling induction heating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710011781.8A CN106793226B (en) | 2017-01-06 | 2017-01-06 | A kind of strip continuous casting and rolling induction heating apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN106793226A CN106793226A (en) | 2017-05-31 |
| CN106793226B true CN106793226B (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710011781.8A Active CN106793226B (en) | 2017-01-06 | 2017-01-06 | A kind of strip continuous casting and rolling induction heating apparatus |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113365378A (en) * | 2021-06-17 | 2021-09-07 | 上海德卫氪自动化工程有限公司 | Planar device for inductively heating workpieces made of electrically conductive material |
| CN113578982B (en) * | 2021-06-30 | 2023-08-15 | 首钢京唐钢铁联合有限责任公司 | Slab induction heating adjustment method and induction heating system |
| CN113664057A (en) * | 2021-08-27 | 2021-11-19 | 江阴中意电气有限公司 | Magnesium alloy plate induction heater |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1287467A (en) * | 1999-06-25 | 2001-03-14 | 株式会社东芝 | Induction heater |
| CN101983001A (en) * | 2010-09-17 | 2011-03-02 | 襄樊世科电气有限公司 | Equipment for manufacturing stainless steel clad plates by low temperature induction heating |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4173648B2 (en) * | 2001-03-30 | 2008-10-29 | Ｊｆｅスチール株式会社 | Method of removing scale in induction heating apparatus and induction heating apparatus |
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2017
- 2017-01-06 CN CN201710011781.8A patent/CN106793226B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1287467A (en) * | 1999-06-25 | 2001-03-14 | 株式会社东芝 | Induction heater |
| CN101983001A (en) * | 2010-09-17 | 2011-03-02 | 襄樊世科电气有限公司 | Equipment for manufacturing stainless steel clad plates by low temperature induction heating |
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| CN106793226A (en) | 2017-05-31 |
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