CN113894166B - Device for induction heating of strip steel - Google Patents
Device for induction heating of strip steel Download PDFInfo
- Publication number
- CN113894166B CN113894166B CN202111183412.XA CN202111183412A CN113894166B CN 113894166 B CN113894166 B CN 113894166B CN 202111183412 A CN202111183412 A CN 202111183412A CN 113894166 B CN113894166 B CN 113894166B
- Authority
- CN
- China
- Prior art keywords
- heating
- width
- full
- strip steel
- edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/004—Heating the product
-
- 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
-
- 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
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Induction Heating (AREA)
Abstract
The invention discloses a device for strip steel induction heating, which belongs to the technical field of steel rolling and comprises an inlet temperature measuring component, an outlet temperature measuring component, a plurality of first full-width heating mechanisms, a plurality of first side heating mechanisms, a plurality of second full-width heating mechanisms and a plurality of second side heating mechanisms, wherein the inlet temperature measuring component comprises an inlet side temperature measuring meter and an inlet middle temperature measuring meter; the second side heating mechanism is connected with the inlet side thermometer, and the second side heating mechanism is connected with the outlet side thermometer. The invention achieves the technical effects of uniformly heating the strip steel in the width direction and improving the control precision of the heating temperature.
Description
Technical Field
The invention belongs to the technical field of steel rolling, and particularly relates to a device for induction heating of strip steel.
Background
In the field of strip steel production, the induction heating device is increasingly applied to the advantages of small occupied area, high heating efficiency, no greenhouse gas emission and the like.
Currently, in the existing strip induction heating technology, an alternating magnetic field is usually generated by using an alternating current of an induction coil, and the magnetic field generates eddy currents in the strip to heat the strip. However, due to the uneven magnetic field intensity generated by the alternating current of the induction coil, the heating of the strip steel in the width direction is uneven, so that the temperature of the edge area of the strip steel is lower than that of the middle area of the strip steel, the temperature of the edge area of the strip steel and the temperature of the middle area of the strip steel are greatly different, and the control precision of the heating temperature of the strip steel is low in the process of heating the strip steel.
In summary, the conventional steel rolling technology has a technical problem that the heating in the width direction of the strip is not uniform and the accuracy of controlling the heating temperature is low.
Disclosure of Invention
The invention aims to solve the technical problems of uneven heating in the width direction of strip steel and low heating temperature control precision.
To solve the above technical problems, the present invention provides an apparatus for induction heating of a strip steel, the apparatus comprising: the inlet temperature measuring component comprises an inlet side temperature measuring meter and an inlet middle temperature measuring meter, and the inlet side temperature measuring meter and the inlet middle temperature measuring meter are arranged along the width direction of the strip steel; the outlet temperature measuring component comprises an outlet edge temperature measuring meter and an outlet middle temperature measuring meter, and the outlet edge temperature measuring meter and the outlet middle temperature measuring meter are arranged along the width direction of the strip steel; the first full-width heating mechanisms are distributed in parallel along the length direction of the strip steel, and each first full-width heating mechanism is connected with the entrance middle part thermometer; the first edge heating mechanisms are distributed in parallel along the length direction of the strip steel, each first edge heating mechanism is arranged between two adjacent first full-width heating mechanisms, and each first edge heating mechanism is connected with the inlet edge thermometer; the second full-width heating mechanisms are distributed in parallel along the length direction of the strip steel, each second full-width heating mechanism is connected with the inlet middle temperature measuring meter, and each second full-width heating mechanism is connected with the outlet middle temperature measuring meter; the second edge heating mechanisms are distributed in parallel along the length direction of the strip steel, each second edge heating mechanism is connected with the inlet edge thermometer, and each second edge heating mechanism is connected with the outlet edge thermometer.
Further, the first full width heating mechanism includes: the device comprises a first full-width controller and a first full-width induction heater, wherein the first full-width controller is connected with the inlet middle portion thermometer, and the first full-width induction heater is connected with the first full-width controller.
Further, the first side heating mechanism includes: the device comprises a first side controller and a first side induction heater, wherein the first side controller is connected with the inlet side thermometer, and the first side induction heater is connected with the first side controller.
Further, the first edge induction heater comprises two first edge induction heating plates, the two first edge induction heating plates are respectively connected with the first edge controller, the two first edge induction heating plates are symmetrically distributed along the width direction of the strip steel, and the two first edge induction heating plates are movably arranged on two sides of the strip steel.
Further, the second full width heating mechanism includes: the device comprises a first full-width controller and a first full-width induction heater, wherein the first full-width controller is connected with the inlet middle portion thermometer, the first full-width controller is connected with the outlet middle portion thermometer, and the first full-width induction heater is connected with the first full-width controller.
Further, the second side heating mechanism includes: the second side portion controller is connected with the inlet side portion thermometer, the second side portion controller is connected with the outlet side portion thermometer, and the second side portion induction heater is connected with the second side portion controller.
Further, the second side induction heater comprises two second side induction heating plates, the two second side induction heating plates are respectively connected with the second side controller, the two second side induction heating plates are symmetrically distributed along the width direction of the strip steel, and the two second side induction heating plates are movably arranged on two sides of the strip steel.
Further, the inlet side thermometer is a pyrometer; the inlet middle part thermometer is a pyrometer; the outlet edge thermometer is a pyrometer; the outlet middle part thermometer is a pyrometer.
Further, the apparatus further comprises: the middle temperature measuring component comprises a middle side temperature measuring device and a middle temperature measuring device, wherein the middle side temperature measuring device is located between the plurality of first full-width heating mechanisms and the plurality of first side heating mechanisms, the middle side temperature measuring device and the middle temperature measuring device are arranged along the width direction of the strip steel, the middle side temperature measuring device is respectively connected with each first side heating mechanism, the middle side temperature measuring device is respectively connected with each second side heating mechanism, the middle temperature measuring device is respectively connected with each first full-width heating mechanism, and the middle temperature measuring device is respectively connected with each second full-width heating mechanism.
Further, the apparatus further comprises: the support frame is configured to mount the inlet temperature measuring part, the outlet temperature measuring part, the plurality of first full-width heating mechanisms, the plurality of first side heating mechanisms, the plurality of second full-width heating mechanisms and the plurality of second side heating mechanisms, and is provided with an accommodating space for placing the strip steel.
The beneficial effects are that:
the invention provides a device for strip steel induction heating, which is characterized in that an inlet side temperature measuring meter and an inlet middle temperature measuring meter in an inlet temperature measuring component are arranged along the width direction of strip steel, and an outlet side temperature measuring meter and an outlet middle temperature measuring meter in an outlet temperature measuring component are arranged along the width direction of strip steel. The first full-width heating mechanisms are distributed in parallel along the length direction of the strip steel, each first full-width heating mechanism is connected with the inlet middle portion thermometer, the first edge heating mechanisms are distributed in parallel along the length direction of the strip steel, each first edge heating mechanism is arranged between two adjacent first full-width heating mechanisms, each first edge heating mechanism is connected with the inlet edge thermometer, the second full-width heating mechanisms are distributed in parallel along the length direction of the strip steel, each second full-width heating mechanism is connected with the inlet middle portion thermometer, each second full-width heating mechanism is connected with the outlet middle portion thermometer, the second edge heating mechanisms are distributed in parallel along the length direction of the strip steel, each second edge heating mechanism is connected with the inlet edge thermometer, and each second edge heating mechanism is connected with the outlet edge thermometer. The inlet temperature measuring component, the outlet temperature measuring component, the first full-width heating mechanisms, the first side heating mechanisms, the second full-width heating mechanisms and the second side heating mechanisms are sequentially arranged along the entering direction of the strip steel, the temperature of the middle area of the strip steel at the inlet is measured in real time through the inlet middle part temperature measuring meter, and the difference value between the measured temperature value and the preset target temperature is fed forward to the first full-width heating mechanisms and the second full-width heating mechanisms so as to adjust the heating temperature of the middle area of the strip steel through the first full-width heating mechanisms and the second full-width heating mechanisms; the temperature of the edge area of the strip steel at the inlet is measured in real time through the inlet edge thermometer, and the difference value between the measured temperature and the temperature of the middle area of the strip steel is fed forward to the plurality of first edge heating mechanisms and the plurality of second edge heating mechanisms so as to adjust the heating temperature of the edge area of the strip steel through the plurality of first edge heating mechanisms and the plurality of second edge heating mechanisms. Meanwhile, measuring the temperature of the middle area of the strip steel at the outlet in real time through a temperature measuring meter at the middle part of the outlet, and feeding back the difference value between the measured temperature value and a preset target temperature to a plurality of second full-width heating mechanisms so as to adjust the heating temperature of the middle area of the strip steel through the plurality of second full-width heating mechanisms; the temperature of the edge area of the strip steel at the outlet is measured in real time through the outlet edge thermometer, and the difference value between the measured temperature value and the temperature of the middle area of the strip steel is fed back to the plurality of second edge heating mechanisms so as to adjust the heating temperature of the edge area of the strip steel through the plurality of second edge heating mechanisms. The temperature difference between the edge area and the middle area of the strip steel can be reduced, the strip steel can be uniformly heated in the width direction, the control accuracy of the heating temperature of the strip steel is improved, the strip steel can be uniformly heated in the width direction, and the control accuracy of the heating temperature is improved. Thereby achieving the technical effects of uniformly heating the strip steel in the width direction and improving the control accuracy of the heating temperature.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only 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 an apparatus for induction heating of a strip steel according to an embodiment of the present invention.
Detailed Description
The invention discloses a device for strip steel induction heating, which is characterized in that an inlet side temperature detector 11 and an inlet middle temperature detector 12 in an inlet temperature measuring component are arranged along the width direction of strip steel 8, and an outlet side temperature detector 22 and an outlet middle temperature detector 23 in an outlet temperature measuring component are arranged along the width direction of strip steel 8. The plurality of first full-width heating mechanisms are arranged in parallel along the length direction of the strip steel 8, each first full-width heating mechanism is connected with the inlet middle portion thermometer 12, the plurality of first edge heating mechanisms are arranged in parallel along the length direction of the strip steel 8, each first edge heating mechanism is arranged between two adjacent first full-width heating mechanisms, each first edge heating mechanism is connected with the inlet edge thermometer 11, the plurality of second full-width heating mechanisms are arranged in parallel along the length direction of the strip steel 8, each second full-width heating mechanism is connected with the inlet middle portion thermometer 12, each second full-width heating mechanism is connected with the outlet middle portion thermometer 23, the plurality of second edge heating mechanisms are arranged in parallel along the length direction of the strip steel 8, each second edge heating mechanism is connected with the inlet edge thermometer 11, and each second edge heating mechanism is connected with the outlet edge thermometer 22. The inlet temperature measuring component, the outlet temperature measuring component, the first full-width heating mechanisms, the first side heating mechanisms and the second full-width heating mechanisms are sequentially arranged along the entering direction of the strip steel 8, the temperature of the middle area of the strip steel 8 at the inlet is measured in real time through the inlet middle temperature measuring meter 12, and the difference value between the measured temperature value and the preset target temperature is fed forward to the first full-width heating mechanisms and the second full-width heating mechanisms so as to adjust the heating temperature of the middle area of the strip steel 8 through the first full-width heating mechanisms and the second full-width heating mechanisms; the edge region temperature of the strip steel 8 at the inlet is measured in real time by the inlet edge thermometer 11, and the difference between the measured temperature and the intermediate region temperature of the strip steel 8 is fed forward to the plurality of first edge heating mechanisms and the plurality of second edge heating mechanisms to adjust the heating temperature of the edge region of the strip steel 8 by the plurality of first edge heating mechanisms and the plurality of second edge heating mechanisms. Meanwhile, the temperature of the middle area of the strip steel 8 at the outlet is measured in real time through the outlet middle temperature measuring meter 23, and the difference value between the measured temperature value and the preset target temperature is fed back to the plurality of second full-width heating mechanisms so as to adjust the heating temperature of the middle area of the strip steel 8 through the plurality of second full-width heating mechanisms; the temperature of the edge region of the strip steel 8 at the outlet is measured in real time by the outlet edge thermometer 22, and the difference between the measured temperature value and the temperature of the middle region of the strip steel 8 is fed back to the plurality of second edge heating mechanisms to adjust the heating temperature of the edge region of the strip steel 8 by the plurality of second edge heating mechanisms. The temperature difference between the edge area and the middle area of the strip steel 8 can be reduced, the strip steel 8 can be uniformly heated in the width direction, the control accuracy of the heating temperature of the strip steel 8 is improved, the strip steel 8 can be uniformly heated in the width direction, and the control accuracy of the heating temperature is improved. Thereby achieving the technical effect of being capable of uniformly heating the strip steel 8 in the width direction and improving the control accuracy of the heating temperature.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention are within the scope of the present invention; wherein reference to "and/or" in this embodiment indicates and/or two cases, in other words, reference to a and/or B in the embodiments of the present invention indicates two cases of a and B, A or B, and describes three states in which a and B exist, such as a and/or B, and indicates: only A and not B; only B and not A; includes A and B.
It will be understood that, although the terms "first," "second," etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments. Spatially relative terms, such as "below," "above," and the like, may be used herein to facilitate a description of one element or feature's relationship to another element or feature. It will be understood that the spatially relative terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "below" would then be oriented "on" other elements or features. Thus, the exemplary term "below" may include both above and below orientations. The device may be oriented (rotated 90 degrees or in other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Also, in embodiments of the present invention, when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical", "horizontal", "left", "right" and the like are used in the embodiments of the present invention for illustrative purposes only and are not intended to limit the present invention.
Referring to fig. 1, fig. 1 is a schematic diagram of an apparatus for induction heating of a strip steel according to an embodiment of the present invention. The embodiment of the invention provides a device for induction heating of strip steel, which comprises an inlet temperature measuring component, an outlet temperature measuring component, a plurality of first full-width heating mechanisms, a plurality of first edge heating mechanisms, a plurality of second full-width heating mechanisms and a plurality of second edge heating mechanisms, wherein the inlet temperature measuring component, the outlet temperature measuring component, the plurality of first full-width heating mechanisms, the plurality of first edge heating mechanisms, the plurality of second full-width heating mechanisms and the plurality of second edge heating mechanisms are respectively described in detail:
For inlet thermometry components:
the inlet temperature measuring part comprises an inlet side temperature measuring meter 11 and an inlet middle temperature measuring meter 12, and the inlet side temperature measuring meter 11 and the inlet middle temperature measuring meter 12 are arranged along the width direction of the strip steel 8. Wherein the entrance side thermometer 11 is a pyrometer, which is a temperature measuring instrument that can calculate the temperature of a high-temperature object by applying a radiation formula without contacting the object with the high-temperature object, and the entrance middle thermometer 12 is a pyrometer.
Specifically, an inlet side thermometer 11 and an inlet middle thermometer 12 may be provided at the inlet of the strip 8, and as shown in fig. 1, the arrangement of the inlet side thermometer 11 and the inlet middle thermometer 12 in the width direction of the strip 8 means that the inlet side thermometer 11 and the inlet middle thermometer 12 are respectively provided on the left and right sides of the strip 8, and the inlet side thermometer 11 and the inlet middle thermometer 12 may be aligned with each other (or may not be aligned with each other), or the inlet side thermometer 11 and the inlet middle thermometer 12 may be provided on the same side of the strip 8, for example, the inlet side thermometer 11 and the inlet middle thermometer 12 may be both mounted on the left side of the strip 8, or the inlet side thermometer 11 and the inlet middle thermometer 12 may be both mounted on the right side of the strip 8, the temperature of the edge region (the region of the strip steel 8 near the left and right sides as shown in fig. 1) of the strip steel 8 at the inlet is measured by the inlet edge temperature measuring meter 11, the temperature of the middle region (the region of the strip steel 8 near the middle position as shown in fig. 1) of the strip steel 8 at the inlet is measured by the inlet middle temperature measuring meter 12, thus, after the temperature of the middle region of the strip steel 8 at the inlet is measured in real time by the inlet middle temperature measuring meter 12, the difference value between the measured temperature value and the preset target temperature value is fed forward to a first full-width controller 31 (such as a controller) in a plurality of first full-width heating mechanisms, the controller correspondingly adjusts the power of the first full-width induction heater 32 by receiving the fed-back difference value signal) and a second full-width controller 51 in a plurality of second full-width heating mechanisms, to adjust the heating temperature of the intermediate region of the strip 8 by the first full-width induction heater 32 of the plurality of first full-width heating mechanisms and the second full-width induction heater 52 of the plurality of second full-width heating mechanisms. After the temperature of the edge region of the strip steel 8 at the inlet is measured in real time by the inlet edge thermometer 11, the difference between the measured temperature value and the temperature value of the middle region of the strip steel 8 is fed forward to a first edge controller 41 (such as a controller, which correspondingly adjusts the power of the first edge induction heater 42 by receiving the fed-back difference signal) and a second edge controller 61 of the second edge heating mechanisms, so as to adjust the heating temperature of the edge region of the strip steel 8 by the first edge induction heater 42 of the first edge heating mechanisms and the second edge induction heater 62 of the second edge heating mechanisms.
For the outlet thermometry component:
the outlet temperature measuring part comprises an outlet side temperature measuring meter 22 and an outlet middle temperature measuring meter 23, and the outlet side temperature measuring meter 22 and the outlet middle temperature measuring meter 23 are arranged along the width direction of the strip steel 8. Wherein the outlet side thermometer 22 is a pyrometer, and the outlet middle thermometer 23 is a pyrometer.
Specifically, an outlet edge thermometer 22 and an outlet intermediate portion thermometer 23 may be provided at the outlet of the strip steel 8, the temperature of the outlet edge region of the strip steel 8 is measured by the outlet edge thermometer 22, the temperature of the outlet intermediate region of the strip steel 8 is measured by the outlet intermediate portion thermometer 23, and thus, after the temperature of the outlet intermediate region of the strip steel 8 is measured in real time by the outlet intermediate portion thermometer 23, the difference between the measured temperature value and the preset target temperature value is fed back to the second full-width controllers 51 in the plurality of second full-width heating mechanisms to adjust the heating temperature of the intermediate region of the strip steel 8 by the second full-width induction heaters 52 in the plurality of second full-width heating mechanisms. Meanwhile, after the temperature of the edge region of the strip steel 8 at the outlet is measured in real time by the outlet edge thermometer 22, the difference between the measured temperature value and the temperature value of the middle region of the strip steel 8 is fed back to the second edge controllers 61 in the plurality of second edge heating mechanisms so as to adjust the heating temperature of the edge region of the strip steel 8 by the second edge induction heaters 62 in the plurality of second edge heating mechanisms. The arrangement of the outlet edge portion thermometer 22 and the outlet intermediate portion thermometer 23 along the width direction of the strip 8 means that the outlet edge portion thermometer 22 and the outlet intermediate portion thermometer 23 are respectively arranged on the left and right sides of the strip 8, and the outlet edge portion thermometer 22 and the outlet intermediate portion thermometer 23 may be aligned with each other, or the outlet edge portion thermometer 22 and the outlet intermediate portion thermometer 23 may be arranged on the same side of the strip 8, for example, the outlet edge portion thermometer 22 and the outlet intermediate portion thermometer 23 may be both installed on the left side of the strip 8, or the outlet edge portion thermometer 22 and the outlet intermediate portion thermometer 23 may be both installed on the right side of the strip 8.
For a plurality of first full width heating mechanisms:
the plurality of first full-width heating mechanisms are distributed in parallel along the length direction of the strip steel 8, and each first full-width heating mechanism is connected with the entrance middle part thermometer 12. The first full width heating mechanism includes: a first full-width controller 31 and a first full-width induction heater 32, wherein the first full-width controller 31 is connected to the inlet middle portion thermometer 12, and the first full-width induction heater 32 is connected to the first full-width controller 31.
Specifically, the plurality of first full-width heating mechanisms may be 1 first full-width heating mechanism, 2 first full-width heating mechanisms, 3 first full-width heating mechanisms, etc., and the plurality of first full-width heating mechanisms are distributed in parallel along the length direction of the strip steel 8, and the first full-width controllers 31 in the first full-width heating mechanisms are all parallel to each other along the length of the strip steel 8. The first full-width controller 31 and the first full-width induction heater 32 (such as an electromagnetic induction heating device, which can perform electromagnetic induction heating on the full-width area of the strip steel in the width direction of the strip steel) in the first full-width heating mechanism are connected to each other, so that the heating power of the first full-width induction heater 32 is controlled in real time by the first full-width controller 31 to adjust the temperature of the full-width area (the full-width area of the strip steel 8 includes the edge area and the middle area of the strip steel 8) of the strip steel 8 at the first full-width induction heater 32.
For a plurality of first edge heating mechanisms:
the plurality of first edge heating mechanisms are distributed in parallel along the length direction of the strip steel 8, each first edge heating mechanism is arranged between two adjacent first full-width heating mechanisms, and each first edge heating mechanism is connected with the inlet edge thermometer 11. The first side heating mechanism includes a first side controller 41 and a first side induction heater 42, the first side controller 41 is connected to the inlet side thermometer 11, and the first side induction heater 42 is connected to the first side controller 41. The first side induction heater 42 includes two first side induction heating plates 421, the two first side induction heating plates 421 are respectively connected to the first side controller 41, the two first side induction heating plates 421 are symmetrically distributed along the width direction of the strip steel 8, and the two first side induction heating plates 421 are movably disposed on two sides of the strip steel 8.
Specifically, the plurality of first edge heating mechanisms may be 1 first edge heating mechanism, 2 first edge heating mechanisms, 3 first edge heating mechanisms, etc., and the plurality of first edge heating mechanisms are distributed in parallel along the longitudinal direction of the strip 8, and the first edge heating mechanisms are all parallel along the longitudinal direction of the strip 8. In the first edge heating mechanism, a first edge controller 41 and a first edge induction heater 42 (for example, an electromagnetic induction heating device, which can perform electromagnetic induction heating on an edge region of the strip in the width direction of the strip) are connected to each other, so that the heating power of the first edge induction heater 42 is controlled in real time by the first edge controller 41 to adjust the temperature of the edge region of the strip 8 located at the first edge induction heater 42. Meanwhile, a space for placing the first edge controller 41 and the first edge induction heater 42 in one first edge heating mechanism is formed between the two adjacent first full-width heating mechanisms, that is, as shown in fig. 1, a plurality of first edge heating mechanisms and a plurality of first full-width heating mechanisms are alternately arranged. In addition, the two first edge induction heating sheets 421 of the first edge induction heater 42 are movably disposed on two sides of the strip steel 8, so that the two first edge induction heating sheets 421 can move along the width direction of the strip steel 8, and thus edge regions of the strip steel 8 with different widths can be heated, so as to heat the strip steel 8 with different widths. For example, the two first edge induction heating sheets 421 are mounted on a support frame described below through a slide, and the two first edge induction heating sheets 421 are slidably connected to the slide, so that the two first edge induction heating sheets 421 can move on the slide along the width direction of the strip steel 8 to approach or separate from each other.
For a plurality of second full width heating mechanisms:
the second full-width heating mechanisms are distributed in parallel along the length direction of the strip steel 8, each second full-width heating mechanism is connected with the inlet middle portion thermometer 12, and each second full-width heating mechanism is connected with the outlet middle portion thermometer 23. The second full-width heating mechanism comprises a second full-width controller 51 and a second full-width induction heater 52, the second full-width controller 51 is connected with the inlet middle temperature measuring meter 12, the second full-width controller 51 is connected with the outlet middle temperature measuring meter 23, and the second full-width induction heater 52 is connected with the second full-width controller 51.
Specifically, since the second full-width controller 51 in the second full-width heating mechanism and the first full-width controller 31 in the first full-width heating mechanism have the same structure and principle, the description thereof will not be repeated here. Since the second full width induction heater 52 in the second full width heating mechanism is identical in structure and principle to the first full width induction heater 32 in the first full width heating mechanism described above, a description thereof will not be repeated here.
For a plurality of second edge heating mechanisms:
the second edge heating mechanisms are distributed in parallel along the length direction of the strip steel 8, each second edge heating mechanism is connected with the inlet edge thermometer 11, and each second edge heating mechanism is connected with the outlet edge thermometer 22. The second side heating mechanism includes: a second side controller 61 and a second side induction heater 62, wherein the second side controller 61 is connected to the inlet side thermometer 11, the second side controller 61 is connected to the outlet side thermometer 22, and the second side induction heater 62 is connected to the second side controller 61. The second side induction heater 62 includes two second side induction heating plates 621, the two second side induction heating plates 621 are respectively connected with the second side controller 61, the two second side induction heating plates 621 are symmetrically distributed along the width direction of the strip steel 8, and the two second side induction heating plates 621 are movably arranged at two sides of the strip steel 8.
Specifically, since the second side controller 61 in the second side heating mechanism and the first side controller 41 in the first side heating mechanism have the same structure and principle, the description thereof will not be repeated here. Since the second side induction heater 62 in the second side heating mechanism is identical in structure and principle to the first side induction heater 42 in the first side heating mechanism, it will not be described here.
The device for induction heating of a strip steel provided by the embodiment of the invention may further include a middle temperature measuring component and a supporting frame, the middle temperature measuring component includes a middle edge temperature measuring device 71 and a middle temperature measuring device 72, the middle edge temperature measuring device 71 is located between the plurality of first full-width heating mechanisms and the plurality of first edge heating mechanisms, the middle temperature measuring device 72 is located between the plurality of first full-width heating mechanisms and the plurality of first edge heating mechanisms, the middle edge temperature measuring device 71 and the middle temperature measuring device 72 are arranged along the width direction of the strip steel 8, the middle edge temperature measuring device 71 is respectively connected with each first edge heating mechanism, the middle edge temperature measuring device 71 is respectively connected with each second edge heating mechanism, the middle temperature measuring device 72 is respectively connected with each first full-width heating mechanism, and the middle temperature measuring device 72 is respectively connected with each second full-width heating mechanism. The support frame is configured to mount the inlet temperature measuring part, the outlet temperature measuring part, a plurality of the first full-width heating mechanisms, a plurality of the first side heating mechanisms, a plurality of the second full-width heating mechanisms, a plurality of the second side heating mechanisms, and is provided with an accommodating space in which the strip steel 8 is placed.
Specifically, the structure and principle of the intermediate side thermometer 71 in the intermediate temperature measuring unit and the inlet side thermometer 11 in the inlet temperature measuring unit are the same, and will not be described here. Since the structure and principle of the intermediate thermometer 72 in the intermediate thermometer part and the inlet intermediate thermometer 12 in the inlet thermometer part are the same, the description thereof will not be repeated here. Since the intermediate side thermometers 71 are respectively connected to each of the first side heating mechanisms, the intermediate side thermometers 71 are respectively connected to each of the second side heating mechanisms, the intermediate thermometers 72 are respectively connected to each of the first full-width heating mechanisms, and the intermediate thermometers 72 are respectively connected to each of the second full-width heating mechanisms, the difference between the measured temperature value and the preset target temperature value is fed back to the first full-width controller 31 of the plurality of first full-width heating mechanisms and the feed-forward to the second full-width controller 51 of the plurality of second full-width heating mechanisms by real-time measurement of the temperature of the intermediate region of the strip 8 by the intermediate thermometers 72, so that the heating temperature of the intermediate region of the strip 8 is adjusted by the first full-width induction heater 32 of the plurality of first full-width heating mechanisms and the second full-width induction heater 52 of the plurality of second full-width heating mechanisms. Meanwhile, after the temperature of the middle area of the middle strip steel 8 is measured in real time by the middle edge thermometer 71, the difference between the measured temperature value and the temperature value of the middle area of the middle strip steel 8 is fed back to the first edge controller 41 of the plurality of first edge heating mechanisms and the second edge controller 61 of the plurality of second edge heating mechanisms, so that the heating temperature of the edge area of the strip steel 8 is adjusted by the first edge induction heater 42 of the plurality of first edge heating mechanisms and the second edge induction heater 62 of the plurality of second edge heating mechanisms. The number of the plurality of first full-width heating mechanisms and the plurality of first edge heating mechanisms, the plurality of second full-width heating mechanisms and the plurality of second edge heating mechanisms is equal to or less than 20, and if A is 16, the number of the plurality of first full-width heating mechanisms and the plurality of first edge heating mechanisms, the number of the plurality of second full-width heating mechanisms and the number of second edge heating mechanisms can be 4 first full-width heating mechanisms and 4 second full-width heating mechanisms, so that the strip steel 8 can be heated more uniformly in the width direction, and the control accuracy of the temperature can be further improved in the heating process of the strip steel 8.
In addition, the support frame has a space capable of accommodating the inlet temperature measuring component, the outlet temperature measuring component, the plurality of first full-width heating mechanisms, the plurality of first edge heating mechanisms, the plurality of second full-width heating mechanisms, the plurality of second edge heating mechanisms and the strip steel 8, and it will be understood by those skilled in the art that the support frame is not particularly limited, and only needs to support the inlet temperature measuring component, the outlet temperature measuring component, the plurality of first full-width heating mechanisms, the plurality of first edge heating mechanisms, the plurality of second full-width heating mechanisms, the plurality of second edge heating mechanisms and the strip steel 8 through the support frame, and the support frame can push the strip steel 8 to enter from the inlet and then come out from the outlet. If the support frame can be fixedly arranged on the ground, the support frame comprises a roller, the roller is provided with an accommodating space capable of accommodating the strip steel 8, after the strip steel 8 is placed in the accommodating space, the strip steel 8 can be driven to enter from an inlet and then come out from an outlet through the roller, and the space positions of the inlet temperature measuring component, the outlet temperature measuring component, a plurality of first full-width heating mechanisms, a plurality of first side heating mechanisms, a plurality of second full-width heating mechanisms and a plurality of second side heating mechanisms are fixed.
The invention provides a device for strip steel induction heating, which is characterized in that an inlet side temperature measuring meter 11 and an inlet middle temperature measuring meter 12 in an inlet temperature measuring component are arranged along the width direction of strip steel 8, and an outlet side temperature measuring meter 22 and an outlet middle temperature measuring meter 23 in an outlet temperature measuring component are arranged along the width direction of strip steel 8. The plurality of first full-width heating mechanisms are arranged in parallel along the length direction of the strip steel 8, each first full-width heating mechanism is connected with the inlet middle portion thermometer 12, the plurality of first edge heating mechanisms are arranged in parallel along the length direction of the strip steel 8, each first edge heating mechanism is arranged between two adjacent first full-width heating mechanisms, each first edge heating mechanism is connected with the inlet edge thermometer 11, the plurality of second full-width heating mechanisms are arranged in parallel along the length direction of the strip steel 8, each second full-width heating mechanism is connected with the inlet middle portion thermometer 12, each second full-width heating mechanism is connected with the outlet middle portion thermometer 23, the plurality of second edge heating mechanisms are arranged in parallel along the length direction of the strip steel 8, each second edge heating mechanism is connected with the inlet edge thermometer 11, and each second edge heating mechanism is connected with the outlet edge thermometer 22. The inlet temperature measuring component, the outlet temperature measuring component, the first full-width heating mechanisms, the first side heating mechanisms and the second full-width heating mechanisms are sequentially arranged along the entering direction of the strip steel 8, the temperature of the middle area of the strip steel 8 at the inlet is measured in real time through the inlet middle temperature measuring meter 12, and the difference value between the measured temperature value and the preset target temperature is fed forward to the first full-width heating mechanisms and the second full-width heating mechanisms so as to adjust the heating temperature of the middle area of the strip steel 8 through the first full-width heating mechanisms and the second full-width heating mechanisms; the edge region temperature of the strip steel 8 at the inlet is measured in real time by the inlet edge thermometer 11, and the difference between the measured temperature and the intermediate region temperature of the strip steel 8 is fed forward to the plurality of first edge heating mechanisms and the plurality of second edge heating mechanisms to adjust the heating temperature of the edge region of the strip steel 8 by the plurality of first edge heating mechanisms and the plurality of second edge heating mechanisms. Meanwhile, the temperature of the middle area of the strip steel 8 at the outlet is measured in real time through the outlet middle temperature measuring meter 23, and the difference value between the measured temperature value and the preset target temperature is fed back to the plurality of second full-width heating mechanisms so as to adjust the heating temperature of the middle area of the strip steel 8 through the plurality of second full-width heating mechanisms; the temperature of the edge region of the strip steel 8 at the outlet is measured in real time by the outlet edge thermometer 22, and the difference between the measured temperature value and the temperature of the middle region of the strip steel 8 is fed back to the plurality of second edge heating mechanisms to adjust the heating temperature of the edge region of the strip steel 8 by the plurality of second edge heating mechanisms. The temperature difference between the edge area and the middle area of the strip steel 8 can be reduced, the strip steel 8 can be uniformly heated in the width direction, the control accuracy of the heating temperature of the strip steel 8 is improved, the strip steel 8 can be uniformly heated in the width direction, and the control accuracy of the heating temperature is improved. Thereby achieving the technical effect of being capable of uniformly heating the strip steel 8 in the width direction and improving the control accuracy of the heating temperature.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present invention.
Claims (10)
1. An apparatus for induction heating of a strip steel, the apparatus comprising:
the inlet temperature measuring component comprises an inlet side temperature measuring meter and an inlet middle temperature measuring meter, and the inlet side temperature measuring meter and the inlet middle temperature measuring meter are arranged along the width direction of the strip steel; the outlet temperature measuring component comprises an outlet edge temperature measuring meter and an outlet middle temperature measuring meter, and the outlet edge temperature measuring meter and the outlet middle temperature measuring meter are arranged along the width direction of the strip steel;
the first full-width heating mechanisms are distributed in parallel along the length direction of the strip steel, and each first full-width heating mechanism is connected with the entrance middle part thermometer; the first edge heating mechanisms are distributed in parallel along the length direction of the strip steel, each first edge heating mechanism is arranged between two adjacent first full-width heating mechanisms, and each first edge heating mechanism is connected with the inlet edge thermometer;
The second full-width heating mechanisms are distributed in parallel along the length direction of the strip steel, each second full-width heating mechanism is connected with the inlet middle temperature measuring meter, and each second full-width heating mechanism is connected with the outlet middle temperature measuring meter; the second edge heating mechanisms are distributed in parallel along the length direction of the strip steel, each second edge heating mechanism is connected with the inlet edge thermometer, and each second edge heating mechanism is connected with the outlet edge thermometer;
the method comprises the steps that an inlet temperature measuring component, a plurality of first full-width heating mechanisms, a plurality of first edge heating mechanisms, a plurality of second full-width heating mechanisms, a plurality of second edge heating mechanisms and an outlet temperature measuring component are sequentially arranged along the entering direction of the strip steel, the temperature of the middle area of the strip steel at the inlet is measured in real time through an inlet middle part temperature measuring meter, and the difference value between the measured temperature value and a preset target temperature is fed forward to the plurality of first full-width heating mechanisms and the plurality of second full-width heating mechanisms so as to adjust the heating temperature of the middle area of the strip steel through the plurality of first full-width heating mechanisms and the plurality of second full-width heating mechanisms; measuring the temperature of the edge region of the strip steel at the inlet in real time through an inlet edge thermometer, and feeding forward the difference value between the measured temperature and the temperature of the middle region of the strip steel to a plurality of first edge heating mechanisms and a plurality of second edge heating mechanisms so as to adjust the heating temperature of the edge region of the strip steel through the plurality of first edge heating mechanisms and the plurality of second edge heating mechanisms; meanwhile, measuring the temperature of the middle area of the strip steel at the outlet in real time through a temperature measuring meter at the middle part of the outlet, and feeding back the difference value between the measured temperature value and a preset target temperature to a plurality of second full-width heating mechanisms so as to adjust the heating temperature of the middle area of the strip steel through the plurality of second full-width heating mechanisms; the temperature of the edge area of the strip steel at the outlet is measured in real time through the outlet edge thermometer, the difference value between the measured temperature value and the temperature of the middle area of the strip steel is fed back to the plurality of second edge heating mechanisms, so that the heating temperature of the edge area of the strip steel is regulated through the plurality of second edge heating mechanisms, the temperature difference value between the edge area and the middle area of the strip steel is reduced, the strip steel is uniformly heated in the width direction, and the control precision of the heating temperature of the strip steel is improved.
2. The apparatus for induction heating of strip steel of claim 1, wherein said first full width heating mechanism comprises:
the device comprises a first full-width controller and a first full-width induction heater, wherein the first full-width controller is connected with the inlet middle portion thermometer, and the first full-width induction heater is connected with the first full-width controller.
3. The apparatus for induction heating of strip steel of claim 2, wherein said first edge heating means comprises:
the device comprises a first side controller and a first side induction heater, wherein the first side controller is connected with the inlet side thermometer, and the first side induction heater is connected with the first side controller.
4. A device for induction heating of strip steel as claimed in claim 3, wherein:
the first side induction heater comprises two first side induction heating plates, the two first side induction heating plates are respectively connected with the first side controller, the two first side induction heating plates are symmetrically distributed along the width direction of the strip steel, and the two first side induction heating plates are movably arranged on two sides of the strip steel.
5. The apparatus for induction heating of strip steel of claim 1, wherein said second full width heating mechanism comprises:
the device comprises a first full-width controller and a first full-width induction heater, wherein the first full-width controller is connected with the inlet middle portion thermometer, the first full-width controller is connected with the outlet middle portion thermometer, and the first full-width induction heater is connected with the first full-width controller.
6. The apparatus for induction heating of strip steel of claim 5, wherein said second edge heating means comprises:
the second side portion controller is connected with the inlet side portion thermometer, the second side portion controller is connected with the outlet side portion thermometer, and the second side portion induction heater is connected with the second side portion controller.
7. The apparatus for induction heating of strip steel of claim 6, wherein:
the second side induction heater comprises two second side induction heating plates, the two second side induction heating plates are respectively connected with the second side controller, the two second side induction heating plates are symmetrically distributed along the width direction of the strip steel, and the two second side induction heating plates are movably arranged on two sides of the strip steel.
8. The apparatus for induction heating of strip steel of claim 1, wherein:
the inlet side thermometer is a pyrometer; the inlet middle part thermometer is a pyrometer; the outlet edge thermometer is a pyrometer; the outlet middle part thermometer is a pyrometer.
9. The apparatus for induction heating of strip steel of claim 1, further comprising:
the middle temperature measuring component comprises a middle side temperature measuring device and a middle temperature measuring device, wherein the middle side temperature measuring device is located between the plurality of first full-width heating mechanisms and the plurality of first side heating mechanisms, the middle side temperature measuring device and the middle temperature measuring device are arranged along the width direction of the strip steel, the middle side temperature measuring device is respectively connected with each first side heating mechanism, the middle side temperature measuring device is respectively connected with each second side heating mechanism, the middle temperature measuring device is respectively connected with each first full-width heating mechanism, and the middle temperature measuring device is respectively connected with each second full-width heating mechanism.
10. The apparatus for induction heating of strip steel of claim 1, further comprising:
the support frame is configured to mount the inlet temperature measuring part, the outlet temperature measuring part, the plurality of first full-width heating mechanisms, the plurality of first side heating mechanisms, the plurality of second full-width heating mechanisms and the plurality of second side heating mechanisms, and is provided with an accommodating space for placing the strip steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111183412.XA CN113894166B (en) | 2021-10-11 | 2021-10-11 | Device for induction heating of strip steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111183412.XA CN113894166B (en) | 2021-10-11 | 2021-10-11 | Device for induction heating of strip steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113894166A CN113894166A (en) | 2022-01-07 |
| CN113894166B true CN113894166B (en) | 2023-07-28 |
Family
ID=79191265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111183412.XA Active CN113894166B (en) | 2021-10-11 | 2021-10-11 | Device for induction heating of strip steel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113894166B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100573562B1 (en) * | 2001-12-24 | 2006-04-25 | 주식회사 포스코 | The edge crack detector using heating equipment in the steel making process |
| CN103286143B (en) * | 2012-02-27 | 2016-08-24 | 宝山钢铁股份有限公司 | Hot rolling slab Edge Heating Temperature Measure Control method |
| CN105648164B (en) * | 2014-11-14 | 2018-03-09 | 宝山钢铁股份有限公司 | Suitable for the induction heating method and device of any angularity steel plate |
| DE102015112293A1 (en) * | 2015-07-28 | 2017-02-02 | Hydro Aluminium Rolled Products Gmbh | Method and apparatus for the adaption of temperature-adapting metal bands |
| CN106994466A (en) * | 2016-01-26 | 2017-08-01 | 宝山钢铁股份有限公司 | The control method that steel edge portion heater is symmetrically heated |
| CN107971343B (en) * | 2016-10-25 | 2019-03-05 | 宝钢集团有限公司 | A kind of induction coil flat heated self-adapting intelligent adjusting method and device |
| CN110116141A (en) * | 2018-02-07 | 2019-08-13 | 宝山钢铁股份有限公司 | A kind of heating system of adaptive magnesium alloy board warm-rolling process temperature distribution |
| CN111420998B (en) * | 2019-01-10 | 2021-06-15 | 宝山钢铁股份有限公司 | Method for uniformly heating width of precision rolling intermediate billet in length direction at temperature |
-
2021
- 2021-10-11 CN CN202111183412.XA patent/CN113894166B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113894166A (en) | 2022-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI540106B (en) | Method and apparatus for controlling sheet thickness | |
| EP1583397B1 (en) | Apparatus and method for heating work pieces | |
| US4307276A (en) | Induction heating method for metal products | |
| CN107848001B (en) | Method and device for changing the temperature of a metal strip for adjusting the flatness | |
| US20160020376A1 (en) | Thermoelectric power generation device and thermoelectric power generation method | |
| EP2213754A1 (en) | Strip material treatment apparatus | |
| KR20110099772A (en) | Temperature sensing device, heating device | |
| JPS6256632B2 (en) | ||
| JP2014153168A (en) | Emissivity measuring apparatus and emissivity measuring method | |
| EP2048485A1 (en) | Temperature measuring method and temperature measuring device of steel plate, and temperature control method of steel plate | |
| CN105420484A (en) | Pre-treatment system and method for nanocrystalline magnetically soft alloy strip | |
| CN110116141A (en) | A kind of heating system of adaptive magnesium alloy board warm-rolling process temperature distribution | |
| CN113894166B (en) | Device for induction heating of strip steel | |
| CN100381784C (en) | Distance estimation apparatus, abnormality detection apparatus, temperature regulator and thermal treatment apparatus | |
| CN100437076C (en) | Method for eliminating temperature gradient in metal strip sample heat treatment test | |
| CN111788319B (en) | Induction heating method and induction heating equipment for metal strip plate | |
| CN108235479B (en) | Device and method for improving transverse temperature uniformity of transverse magnetic flux induction heating strip steel | |
| CN105834220B (en) | Magnesium alloy board roll induction heating method and device | |
| CN216501552U (en) | Device for induction heating of strip steel | |
| JP4829833B2 (en) | Temperature estimation method and temperature estimation device | |
| CN108956691B (en) | Test method of device for measuring in-plane thermal conductivity coefficient by linear pulse induction thermal excitation | |
| CN110791745A (en) | Orthogonal radiation auxiliary conduction heating equipment suitable for roll-to-roll continuous strip | |
| CN103196840B (en) | System for testing high-temperature spectral emissivity of materials based on effective radiation | |
| KR101403240B1 (en) | Apparatus and method of controlling coiling temperature of hot rolled steel plate using in-plate learning | |
| CN104561511B (en) | Strip oscillatory temperature degree continuous annealer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |