CN212910097U - Graphite sleeve heating device of horizontal continuous casting crystallizer - Google Patents
Graphite sleeve heating device of horizontal continuous casting crystallizer Download PDFInfo
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- CN212910097U CN212910097U CN202021905911.6U CN202021905911U CN212910097U CN 212910097 U CN212910097 U CN 212910097U CN 202021905911 U CN202021905911 U CN 202021905911U CN 212910097 U CN212910097 U CN 212910097U
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- heating
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- graphite
- continuous casting
- cylinder
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 83
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 65
- 239000010439 graphite Substances 0.000 title claims abstract description 65
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 238000009749 continuous casting Methods 0.000 title claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 40
- 229910052802 copper Inorganic materials 0.000 claims abstract description 40
- 239000010949 copper Substances 0.000 claims abstract description 40
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000005485 electric heating Methods 0.000 claims abstract description 7
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 241000227287 Elliottia pyroliflora Species 0.000 description 8
- 238000005266 casting Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Continuous Casting (AREA)
Abstract
The utility model relates to the technical field of continuous casting, in particular to a graphite sleeve heating device of a horizontal continuous casting crystallizer, which comprises a plurality of heating cylinders, wherein each heating cylinder comprises a cylinder body and a heating body, and the inner diameter of the cylinder body is slightly larger than the outer diameter of the heating body; the heating body is of a sandwich structure, and an electric heating wire is arranged in the sandwich; the barrel and the heating element are made of materials with good heat conducting property such as iron sheets, and the inner diameter of the heating element is slightly larger than the outer diameter of the long copper sleeve. The utility model has simple structure and convenient operation, and the graphite sleeve is replaced in the horizontal direction to prevent the graphite sleeve from being damaged; the heating cylinder is tightly matched with the long copper sleeve, the heating efficiency is high, and the time for replacing the graphite sleeve is short; the heating cylinder can be used in combination according to the graphite socket joint, and the production cost is low.
Description
Technical Field
The utility model relates to a continuous casting technical field, in particular to horizontal continuous casting crystallizer graphite cover heating device.
Background
The horizontal continuous casting crystallizer consists of an outer sleeve, a long stainless steel sleeve, a long copper sleeve, a graphite sleeve and the like, wherein the bottom of the outer sleeve is provided with a cooling water inlet and a cooling water outlet; molten steel enters the copper sleeve to form a blank shell, the blank drawing machine draws a casting blank to move forward, and the casting blank is continuously cooled in the graphite sleeve, so that the sufficient thickness of the blank shell after the casting blank is discharged out of the crystallizer is ensured; the surface of a high-temperature and high-strength casting blank mechanically abrades the inner walls of the copper sleeve and the graphite sleeve for a long time, scratches and the like can be caused on the inner walls of the copper sleeve and the graphite sleeve, and the normal production and the casting blank quality of horizontal continuous casting are affected, so that the copper sleeve and the graphite sleeve need to be replaced.
The inner diameter of the long copper sleeve is slightly larger than the outer diameter of the graphite sleeve, and after the long copper sleeve is heated, the graphite sleeve is placed into the long copper sleeve to form a whole in an interference fit manner; generally, when the graphite sleeve is replaced, the long copper sleeve and the graphite sleeve are vertically arranged in a heating furnace by using a lifting rod, the diameter of a baffle plate at the lower end of the lifting rod is larger than the inner diameter of the graphite sleeve and smaller than the inner diameter of the long copper sleeve, the expansion amount of the long copper sleeve is larger than that of the graphite sleeve after the long copper sleeve is heated, a gap is generated between the inner wall of the long copper sleeve and the outer wall of the graphite sleeve, a plurality of sections of graphite sleeves can be lifted out together, then the graphite sleeve is placed into the long copper sleeve section by section according to the inner diameter taper sequence, then a heating source is disconnected, the long copper sleeve shrinks after the temperature is reduced, the graphite sleeve is fixed in the long copper sleeve, the long copper sleeve and the graphite sleeve are integrally lifted out and; there are problems in that: the heating furnace equipment is complicated, when a new graphite sleeve is vertically installed, the graphite sleeve installed later may damage the graphite sleeve installed earlier under the action of gravity, the operation is complicated, and the power consumption of the heating furnace is high.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a graphite sleeve heating device of a horizontal continuous casting crystallizer, which has simple structure and convenient operation, and can replace the graphite sleeve in the horizontal direction to prevent the graphite sleeve from being damaged; the heating cylinder is tightly matched with the long copper sleeve, the heating efficiency is high, and the time for replacing the graphite sleeve is short; the heating cylinder can be used in combination according to the graphite socket joint, and the production cost is low.
In order to solve the technical problem, the technical scheme of the utility model is that:
a graphite sleeve heating device of a horizontal continuous casting crystallizer is composed of a plurality of heating cylinders, wherein each heating cylinder comprises a cylinder body and a heating body, and the inner diameter of the cylinder body is slightly larger than the outer diameter of the heating body; the heating body is of a sandwich structure, an electric heating wire is arranged in the sandwich layer, the electric heating wire is wrapped in an insulating material to prevent electric leakage, and the electric heating wire is connected with a power socket; the barrel and the heating element are made of materials with good heat conducting property such as iron sheets, and the inner diameter of the heating element is slightly larger than the outer diameter of the long copper sleeve.
Preferably, bulges are arranged on two sides of the cylinder body, and two ends of each bulge are connected through bolts and used for adjusting the gap between the heating body and the long copper sleeve.
Preferably, the power socket is fixed to an outer surface of the barrel.
Preferably, the length of the cylinder is the same as that of the single-section graphite sleeve.
Preferably, the barrel and the heating body are made of iron sheets.
In order to solve the technical problem, the utility model also provides a horizontal continuous casting crystallizer graphite cover heating device's application method: horizontally installing a plurality of heating cylinders outside a long copper sleeve of which the graphite sleeve needs to be replaced, and adjusting connecting bolts on the heating cylinders to enable the heating bodies to be close to the long copper sleeve; connecting a plug with the power socket, and switching on a power supply to start heating; heating for 10-15 min, expanding the long copper sleeve, cutting off a power supply, pulling out the graphite sleeve which cannot be used continuously, and then putting the new graphite sleeve to be replaced into the long copper sleeve section by section according to the internal diameter taper sequence; after the long copper bush is cooled, the graphite bush is fixed in the long copper bush; and the long copper sleeve is arranged in the long stainless steel sleeve and assembled with the copper sleeve to form the inner sleeve of the crystallizer.
Preferably, the heating cylinder is horizontally arranged outside a long copper sleeve of which the graphite sleeve needs to be replaced.
Preferably, the using method of the graphite sleeve heating device for the horizontal continuous casting crystallizer further comprises the steps of connecting a plug with the power socket, and switching on a power supply to heat for 10-15 min.
Preferably, the method for using the graphite sleeve heating device of the horizontal continuous casting crystallizer further comprises the step of putting a new graphite sleeve to be replaced into the long copper sleeve section by section according to the inner diameter taper sequence.
Adopt above-mentioned technical scheme, the utility model provides a pair of horizontal continuous casting crystallizer graphite cover heating device has following beneficial effect: the graphite sleeve heating device of the horizontal continuous casting crystallizer is simple in structure and convenient to operate, and the graphite sleeve is replaced in the horizontal direction to prevent the graphite sleeve from being damaged; the heating cylinder is tightly matched with the long copper sleeve, the heating efficiency is high, and the time for replacing the graphite sleeve is short; the heating cylinder can be used in combination according to the graphite socket joint, and the production cost is low.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a heating cylinder of the present invention;
in the figure, 1-heating cylinder, 2-power socket, 3-long copper sleeve, 4-bolt, 5-graphite sleeve, 11-cylinder, 12-heating element and 111-projection.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Referring to fig. 1 and 2, a graphite sleeve heating device of a horizontal continuous casting crystallizer, the heating device is composed of a plurality of heating cylinders 1, each heating cylinder 1 comprises a cylinder 11 and a heating element 12, and the inner diameter of the cylinder 11 is slightly larger than the outer diameter of the heating element 12; the heating element 12 is a sandwich structure, heating wires are arranged in the sandwich, the heating wires are wrapped in insulating materials to prevent electric leakage, and the heating wires are connected with a power socket 2; the barrel 11 and the heating element 12 are made of materials with good heat conducting property such as iron sheet, and the inner diameter of the heating element 12 is slightly larger than the outer diameter of the long copper sleeve 3.
Specifically, there are protrusions 111 on both sides of the barrel 11, and the two ends of the protrusions 111 are connected by bolts 4 for adjusting the gap between the heating element 12 and the long copper sheath 3.
Specifically, the power socket 2 is fixed to the outer surface of the barrel 11.
Specifically, the length of the cylinder 11 is the same as that of the single-section graphite sleeve 5.
As can be understood, the graphite sleeve heating device of the horizontal continuous casting crystallizer is used by the following method: horizontally installing a plurality of heating cylinders 1 outside a long copper bush 3 of which the graphite bush 5 needs to be replaced, and adjusting connecting bolts 4 on the heating cylinders 1 to enable the heating body 12 to be close to the long copper bush 3; connecting a plug with the power socket 2, and switching on a power supply to start heating; heating for 10-15 min, expanding the long copper sleeve 3, cutting off the power supply, pulling out the graphite sleeve which cannot be used continuously, and then putting the new graphite sleeve 5 which needs to be replaced into the long copper sleeve 3 section by section according to the inner diameter taper sequence; after the long copper bush 3 is cooled, the graphite bush 5 is fixed in the long copper bush 3; the long copper bush 3 is arranged in a long stainless steel bush and assembled with the copper bush to form a crystallizer inner bush.
As can be understood, the heating cylinder 1 is horizontally arranged outside the long copper sleeve 3 of which the graphite sleeve 5 needs to be replaced; connecting a plug with the power socket 2, and switching on a power supply to heat for 10-15 min; the new graphite sleeve 5 to be replaced is put into the long copper sleeve 3 section by section according to the inner diameter taper sequence.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.
Claims (5)
1. The utility model provides a horizontal continuous casting crystallizer graphite jacket heating device which characterized in that: the heating device is composed of a plurality of heating cylinders (1), each heating cylinder (1) comprises a cylinder body (11) and a heating body (12), and the inner diameter of each cylinder body (11) is slightly larger than the outer diameter of each heating body (12); the heating body (12) is of a sandwich structure, an electric heating wire is arranged in the sandwich, the electric heating wire is wrapped in an insulating material, and the electric heating wire is connected with a power socket (2); the inner diameter of the heating body (12) is slightly larger than the outer diameter of the long copper sleeve (3).
2. The graphite jacket heating device of a horizontal continuous casting crystallizer of claim 1, wherein: bulges (111) are arranged on two sides of the cylinder body (11), and two ends of each bulge (111) are connected through bolts (4) and used for adjusting the gap between the heating body (12) and the long copper sleeve (3).
3. The graphite jacket heating device of a horizontal continuous casting crystallizer of claim 1, wherein: the power socket (2) is fixed on the outer surface of the barrel (11).
4. The graphite jacket heating device of a horizontal continuous casting crystallizer of claim 1, wherein: the length of the cylinder body (11) is the same as that of the single section of graphite sleeve (5).
5. The graphite jacket heating device of a horizontal continuous casting crystallizer of claim 1, wherein: the barrel (11) and the heating body (12) are made of iron sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021905911.6U CN212910097U (en) | 2020-09-03 | 2020-09-03 | Graphite sleeve heating device of horizontal continuous casting crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021905911.6U CN212910097U (en) | 2020-09-03 | 2020-09-03 | Graphite sleeve heating device of horizontal continuous casting crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212910097U true CN212910097U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021905911.6U Active CN212910097U (en) | 2020-09-03 | 2020-09-03 | Graphite sleeve heating device of horizontal continuous casting crystallizer |
Country Status (1)
| Country | Link |
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| CN (1) | CN212910097U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112105102A (en) * | 2020-09-03 | 2020-12-18 | 广东华鳌合金新材料有限公司 | Graphite sleeve heating device of horizontal continuous casting crystallizer and using method thereof |
| CN115069991A (en) * | 2022-06-28 | 2022-09-20 | 杭州富通电线电缆有限公司 | Graphite Sleeve Replacement Device for Crystallizers for Preparation of Oxygen-Free Copper Rods |
-
2020
- 2020-09-03 CN CN202021905911.6U patent/CN212910097U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112105102A (en) * | 2020-09-03 | 2020-12-18 | 广东华鳌合金新材料有限公司 | Graphite sleeve heating device of horizontal continuous casting crystallizer and using method thereof |
| CN115069991A (en) * | 2022-06-28 | 2022-09-20 | 杭州富通电线电缆有限公司 | Graphite Sleeve Replacement Device for Crystallizers for Preparation of Oxygen-Free Copper Rods |
| CN115069991B (en) * | 2022-06-28 | 2023-11-10 | 杭州富通电线电缆有限公司 | Graphite sleeve replacing device for preparing crystallizer for oxygen-free copper rod |
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