CN220602211U - Preheating device and heating furnace - Google Patents
Preheating device and heating furnace Download PDFInfo
- Publication number
- CN220602211U CN220602211U CN202321620227.7U CN202321620227U CN220602211U CN 220602211 U CN220602211 U CN 220602211U CN 202321620227 U CN202321620227 U CN 202321620227U CN 220602211 U CN220602211 U CN 220602211U
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- furnace
- heating
- heating furnace
- insulating tube
- metal cable
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 114
- 239000002184 metal Substances 0.000 claims abstract description 49
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 230000000903 blocking effect Effects 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 5
- 229910052895 riebeckite Inorganic materials 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 239000012768 molten material Substances 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 18
- 229910052802 copper Inorganic materials 0.000 description 18
- 239000010949 copper Substances 0.000 description 18
- 229910000831 Steel Inorganic materials 0.000 description 14
- 239000010959 steel Substances 0.000 description 14
- 239000007788 liquid Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000009749 continuous casting Methods 0.000 description 6
- 238000005253 cladding Methods 0.000 description 5
- 239000011261 inert gas Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
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Abstract
The utility model provides a preheating device and a heating furnace, wherein the preheating device is arranged at the inlet end of the heating furnace and comprises a power supply piece, a heating coil, an insulating tube and a first blocking piece; the heating coil is spiral, a penetrating space is formed in the heating coil, two ends of the heating coil are connected with a power supply piece, and the power supply piece is configured to charge current into the heating coil; the insulating tube is sleeved in the penetrating space of the heating coil, the insulating tube is suitable for penetrating the metal cable, and the insulating tube is connected with the inlet end of the heating furnace; the first plugging piece is sleeved between the insulating tube and the inlet end of the heating furnace so as to seal the joint of the insulating tube and the inlet end of the heating furnace, when the heating furnace is used for producing, the metal cable passes through the heating coil after passing through the inside of the preheating device and then enters the heating furnace, the metal cable passing through the inside of the heating furnace is preheated by the heating coil, and then the disturbance of the metal cable to the solution in the heating furnace when entering the inside of the heating furnace can be reduced, and the time required by heat exchange can be reduced.
Description
Technical Field
The utility model relates to the technical field of wire rod processing, in particular to a preheating device and a heating furnace.
Background
The copper-clad steel bimetal composite material, also called copper-clad steel, is a composite conductor which is formed by processing two metals of copper and steel through a special process. The conductor has the characteristics of high strength, excellent elasticity, larger heat resistance and high magnetic conductivity of steel, and good electric conductivity and excellent corrosion resistance of copper, and is widely applied to the electric and electronic fields. The copper coating method comprises a horizontal continuous casting coating method, wherein the treated steel core passes through copper liquid of a copper melting furnace in the horizontal direction, and copper with a certain thickness is continuously cast at an outlet through a horizontally arranged crystallizer.
The utility model discloses a be applied to continuous casting technology's smelting pot among the prior art, including the furnace body, first furnace, second furnace and the third furnace that has in proper order to communicate in the furnace body, be equipped with the first heating device who is used for melting the material in the first furnace, be equipped with the second heating device who is used for heat preservation melt in the third furnace, be equipped with the product import of waiting to cladding and waiting to cladding the product export of relative setting on the third furnace, be connected with the first crystallizer that is used for passing waiting to cladding the product on waiting to cladding the product export.
The product to be coated enters the furnace through the inlet and leaves the furnace through the first crystallizer on the outlet during production, but when the product to be coated enters the furnace, the temperature difference between the product to be coated and the furnace is extremely large, the product to be coated can generate larger disturbance on the temperature of copper liquid when entering the copper liquid, and the time for heat exchange is longer.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is that the product to be coated enters the furnace through the inlet and leaves the furnace through the first crystallizer on the outlet when being produced in the furnace for continuous casting in the prior art, but when the product to be coated enters the furnace, the temperature of the copper liquid is greatly disturbed when the product to be coated enters the copper liquid due to the extremely large temperature difference between the product to be coated and the furnace, and the time required for heat exchange is long.
To this end, the utility model provides a preheating device, which is arranged at the inlet end of a heating furnace and comprises:
the power supply piece is connected with the external frame;
the heating coil is spiral, a penetrating space is formed in the heating coil, two ends of the heating coil are connected with the power supply piece, and the power supply piece is configured to supply current into the heating coil;
the insulation pipe is sleeved in the penetrating space of the heating coil, a metal cable is suitable for penetrating in the insulation pipe, and the insulation pipe is connected with the inlet end of the heating furnace;
the first blocking piece is sleeved between the insulating pipe and the inlet end of the heating furnace, so as to seal the joint of the insulating pipe and the inlet end of the heating furnace.
Optionally, the insulating tube is coaxially arranged with the inlet end of the heating furnace.
Optionally, the insulating tube is a high temperature resistant glass tube.
Optionally, a limiting part is arranged in the inlet end of the heating furnace, and a through hole suitable for the metal cable to penetrate is arranged in the limiting part so as to limit the metal cable to be positioned at the axis position of the insulating tube.
Optionally, the first blocking member is an asbestos material.
Optionally, the preheating device further comprises a second blocking piece, the second blocking piece is sleeved on the surface of the insulating tube, and the second blocking piece is arranged at one end opposite to the first blocking piece.
Optionally, the second blocking member is an asbestos material.
Optionally, a through hole suitable for the metal cable to pass through is formed in the second blocking piece.
A heating furnace is used for the preheating device and comprises a furnace body, wherein a furnace chamber is arranged in the furnace body, and an inlet and an outlet which are suitable for penetrating a metal cable are arranged on two opposite sides of the furnace chamber.
Optionally, the furnace has first furnace, second furnace and the third furnace of intercommunication in proper order, be equipped with the first heating device who is used for melting the material in the first furnace, be equipped with the second heating device who is used for the heat preservation melt in the third furnace.
The preheating device and the heating furnace provided by the utility model have the following advantages:
1. the utility model provides a preheating device which is arranged at the inlet end of a heating furnace and comprises a power supply piece, a heating coil, an insulating tube and a first blocking piece, wherein the power supply piece is connected with an external frame; the heating coil is spiral, a penetrating space is formed in the heating coil, two ends of the heating coil are connected with the power supply piece, and the power supply piece is configured to supply current into the heating coil; the insulation pipe is sleeved in the penetrating space of the heating coil, a metal cable is penetrated in the insulation pipe, and the insulation pipe is connected with the inlet end of the heating furnace; the first blocking piece is sleeved between the insulating pipe and the inlet end of the heating furnace so as to seal the joint of the insulating pipe and the inlet end of the heating furnace.
The preheating device of this structure sets up preheating device through at the heating furnace entrance point, and when production, metal cable passes inside the preheating device after the heating coil reentrant heating furnace is inside, preheats through heating coil to the metal cable through its inside, and then its and the inside temperature difference of solution of heating furnace when reducing the metal cable entering heating furnace inside, and then can reduce the disturbance to its inside solution when metal cable entering heating furnace inside, and can reduce the required time of heat exchange.
2. The utility model provides a preheating device, wherein a limiting piece is arranged in an inlet end of a heating furnace, a through hole which is suitable for a metal cable to pass through is arranged in the limiting piece, and the limiting piece is arranged in the inlet end of the heating furnace to limit the movement track of the metal cable, so that the metal cable is positioned at the axis position of an insulating tube in the movement process, and is prevented from colliding with the insulating tube, so that the insulating tube is damaged.
3. The utility model provides a preheating device, wherein one end of a first blocking piece is sleeved with the end part of an insulating tube, the other end of the first blocking piece is sleeved with the end part of a tube sleeved in an inlet of a heating furnace, and the inner side of the first blocking piece protrudes inwards to form a through hole for a metal cable to pass through, so that the flowing space of inert gas at the inlet end of the heating furnace flowing out into the insulating tube can be reduced, and the inert gas is limited to flow outwards or the external gas is limited to enter the inlet end of the heating furnace.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a preheating device according to an embodiment of the present utility model;
fig. 2 is a perspective view of a preheating device provided in an embodiment of the present utility model;
FIG. 3 is a diagram showing the structure of a preheating device according to an embodiment of the present utility model;
reference numerals illustrate:
1-a power supply member;
2-heating coils;
3-insulating tube;
4-a first closure;
5-a second closure;
6, a furnace body;
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Example 1
The copper-clad steel bimetal composite material, also called copper-clad steel, is a composite conductor which is formed by processing two metals of copper and steel through a special process. The conductor has the characteristics of high strength, excellent elasticity, larger heat resistance and high magnetic conductivity of steel, and good electric conductivity and excellent corrosion resistance of copper, and is widely applied to the electric and electronic fields. The copper coating method comprises a horizontal continuous casting coating method, wherein the treated steel core passes through copper liquid of a copper melting furnace in the horizontal direction, and copper with a certain thickness is continuously cast at an outlet through a horizontally arranged crystallizer.
The prior art is applied to a continuous casting furnace, a steel core enters the furnace through an inlet during production and leaves the furnace through a first crystallizer on an outlet, but when the steel core enters the furnace, the temperature difference between the steel core and the furnace is extremely large, so that the steel core can generate larger disturbance on the temperature of copper liquid when entering the copper liquid, and the time for heat exchange is longer.
For this reason, this embodiment provides a preheating device, as shown in fig. 1, preheating device places at the heating furnace entrance point, and when producing, the metal cable passes inside the preheating device and reenters inside the heating furnace, preheats the metal cable through its inside through preheating device, and then reduces the temperature difference of its and the inside solution of heating furnace when the metal cable gets into inside the heating furnace, and then can reduce the disturbance to its inside solution when the metal cable gets into inside the heating furnace, and can reduce the required time of heat exchange, in order to improve the copper-clad effect of metal cable.
In the present embodiment, as shown in fig. 2 and 3, the preheating device includes a power supply member 1, a heating coil 2, an insulating tube 3, a first blocking member 4, and a second blocking member 5; the power supply piece 1 is connected with an external frame and an external power supply, the heating coil 2 is spiral, a penetrating space is formed in the heating coil 2, two ends of the heating coil 2 are connected with the power supply piece 1, and when the heating coil is used, current can be introduced into the heating coil 2 through the power supply piece 1 so as to heat a metal cable penetrating into the heating coil 2, and the heating mode of the heating coil is the prior art, so that the principle of the heating coil is not described in excessive detail here.
In this embodiment, as shown in fig. 2 and 3, an insulating tube 3 is disposed inside the heating coil 2, in this embodiment, the insulating tube 3 is a high temperature resistant glass tube, and during production, a metal cable passes through the insulating tube 3 and enters into the heating furnace, and by disposing the insulating tube 3 between the metal cable and the heating coil 2, the metal cable can be prevented from contacting the heating coil 2 due to swinging in the transmission process, so that the metal cable is electrified.
Wherein, be equipped with the locating part in the heating furnace entrance point, be equipped with the through-hole that is suitable for the metal cable to wear to establish in the locating part, be equipped with the locating part through the heating furnace entrance point and restrict the motion orbit of metal cable, make it be in insulating tube 3 axis position in the motion process, prevent that it from colliding with insulating tube 3 to cause the damage to insulating tube 3.
In the current production process of the horizontal continuous casting cladding method, inert gas needs to be introduced into the inlet end of the heating furnace, and when a preheating device is installed, the insulating tube 3 needs to be connected with the inlet end of the heating furnace. As shown in fig. 2, one end of the first plugging member 4 is sleeved with the end of the insulating tube 3, the other end of the first plugging member 4 is sleeved with the end of a pipe fitting sleeved in the inlet of the heating furnace, and the inner side of the first plugging member 4 protrudes inwards to form a through hole for the metal cable to pass through, so that the flowing space of inert gas at the inlet end of the heating furnace flowing out of the insulating tube 3 can be reduced, and the inert gas is limited to flow outwards or the external gas is limited to enter the inlet end of the heating furnace.
Further, as shown in fig. 2, the other end of the insulating tube 3 is sleeved with a second blocking member 5, and similar to the first blocking member 4 in structure, a through hole for the metal cable to pass through is formed inside the second blocking member 5. In this embodiment, the first blocking member 4 and the second blocking member 5 are both made of asbestos.
The preheating device that this embodiment provided through setting up preheating device at the heating furnace entrance point, when production, inside reentrant heating furnace is inside after the metal cable passes preheating device inside, preheats the metal cable through its inside through preheating device, and then its and the inside temperature difference of solution of heating furnace when reducing the metal cable entering heating furnace inside, and then can reduce the disturbance to its inside solution when the metal cable enters heating furnace inside, and can reduce the required time of heat exchange, in order to improve the copper-clad effect of metal cable.
In this embodiment, before entering the heating furnace, the preheating device is used to preheat the metal cable, and if the preheating is too high, the metal cable may slightly deform due to overheating in the path before entering the hearth, so that the crystallization is uneven, so that the preheating temperature of the metal cable in this embodiment is about 1000 ℃.
Example 2
The embodiment provides a heating furnace, which is used for the preheating device in the embodiment 1, and comprises a furnace body 6, wherein a hearth is arranged in the furnace body 6, an inlet and an outlet which are suitable for a metal cable to pass through are arranged on two opposite sides of the hearth, the preheating device is arranged at the inlet end of the heating furnace, and the metal cable passes through the inside of the preheating device and then enters the inside of the heating furnace during production.
As shown in fig. 1, the hearth is provided with a first hearth, a second hearth and a third hearth which are sequentially communicated, a first heating device for melting materials is arranged in the first hearth, and a second heating device for heat-preserving molten liquid is arranged in the third hearth. The first hearth, the second hearth and the third hearth are distributed from left to right in fig. 1, and the first heating device and the second heating device heat in a coil heating mode in the prior art.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (10)
1. A preheating device provided at an inlet end of a heating furnace, comprising:
a power supply member (1) connected to the external frame;
a heating coil (2) which is spiral and has a penetrating space formed therein, wherein both ends of the heating coil (2) are connected with the power supply member (1), and the power supply member (1) is configured to supply current into the heating coil (2);
the insulation pipe (3) is sleeved in the penetrating space of the heating coil (2), a metal cable is suitable for penetrating in the insulation pipe (3), and the insulation pipe (3) is connected with the inlet end of the heating furnace;
the first blocking piece (4) is sleeved between the insulating tube (3) and the inlet end of the heating furnace, so as to seal the joint of the insulating tube (3) and the inlet end of the heating furnace.
2. A preheating arrangement according to claim 1, characterized in that the insulating tube (3) is arranged coaxially with the inlet end of the furnace.
3. A preheating arrangement according to claim 2, characterized in that the insulating tube (3) is a high temperature resistant glass tube.
4. A preheating device according to claim 3, wherein a limiting member is provided in the inlet end of the heating furnace, and a through hole adapted to the metal cable is provided in the limiting member, so as to limit the metal cable to be located at the axial position of the insulating tube (3).
5. A preheating arrangement according to claim 4, wherein the first blocking member (4) is of asbestos material.
6. The preheating device according to any one of claims 1 to 5, further comprising a second blocking member (5) which is sleeved on the surface of the insulating tube (3), and the second blocking member (5) is provided at an opposite end of the first blocking member (4).
7. A preheating arrangement according to claim 6, characterized in that the second blocking member (5) is of asbestos material.
8. The preheating device according to claim 6, characterized in that the second blocking member (5) is provided with a through hole therein adapted to the metal cable to be threaded.
9. A heating furnace for a preheating device according to any of claims 1-8, characterized by comprising a furnace body (6), wherein a furnace chamber is arranged inside the furnace body (6), and the opposite sides of the furnace chamber are provided with an inlet and an outlet for a metal cable to pass through.
10. The heating furnace according to claim 9, wherein the hearth is provided with a first hearth, a second hearth and a third hearth which are communicated in sequence, a first heating device for melting materials is arranged in the first hearth, and a second heating device for heat-preserving molten materials is arranged in the third hearth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321620227.7U CN220602211U (en) | 2023-06-25 | 2023-06-25 | Preheating device and heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321620227.7U CN220602211U (en) | 2023-06-25 | 2023-06-25 | Preheating device and heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220602211U true CN220602211U (en) | 2024-03-15 |
Family
ID=90168713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321620227.7U Active CN220602211U (en) | 2023-06-25 | 2023-06-25 | Preheating device and heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220602211U (en) |
-
2023
- 2023-06-25 CN CN202321620227.7U patent/CN220602211U/en active Active
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