CN210996360U - Porous horizontal continuous casting crystallizer - Google Patents
Porous horizontal continuous casting crystallizer Download PDFInfo
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- CN210996360U CN210996360U CN201921478224.8U CN201921478224U CN210996360U CN 210996360 U CN210996360 U CN 210996360U CN 201921478224 U CN201921478224 U CN 201921478224U CN 210996360 U CN210996360 U CN 210996360U
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Abstract
The utility model discloses a porous horizontal continuous casting crystallizer, include: the connecting plate is provided with a plurality of first penetrating mounting holes; each first mounting hole is internally provided with a graphite sleeve assembly; each graphite sleeve component comprises a graphite base, a graphite sleeve, a copper sleeve and an outer sleeve; the graphite base is inserted into and fixed in the first mounting hole, one end of the graphite base extends out of the inner side face of the connecting plate, and a graphite sleeve mounting hole is formed in the graphite base along the axial direction of the first mounting hole; one end of the graphite sleeve is inserted into the graphite sleeve mounting hole and is in interference fit with the graphite sleeve mounting hole, and at least one through hole is formed in the graphite sleeve along the axial direction of the graphite sleeve; the copper sleeve is sleeved on the graphite sleeve and is in interference fit with the graphite sleeve; one end of the outer sleeve is fixed on the outer side face of the connecting plate and the copper sleeve is sleeved in the outer sleeve, and a cavity for containing cooling water is formed between the outer sleeve and the copper sleeve. The utility model discloses a plurality of graphite covers can be installed on the crystallizer to the graphite cover is changed more easily.
Description
Technical Field
The utility model relates to a metal continuous casting technical equipment field especially relates to a porous horizontal continuous casting crystallizer.
Background
The lead brass is used as complex brass with excellent cutting performance, wear resistance and high strength, and is widely applied to the bearing maintenance of various connecting pieces, valves and valve rods in mechanical engineering, wherein hot forging valve blanks, lock manufacturing industry and clock industry are three important markets, the low cost of the lead brass is an important prerequisite for the wide application of the lead brass, and the alloy components of the lead brass can contain various alloy elements, have loose content requirements, and are extremely important and most widely applied complex brass. Lead brass is generally produced by adopting a continuous casting, extrusion and stretching (suitable for products with smaller specifications and certain performance requirements) or a continuous casting and stretching (suitable for products with larger specifications).
The crystallizer is required to be used in the continuous casting process, the crystallizer in the prior art is in butt joint with a furnace mouth of a smelting furnace 6 as shown in figure 1, a stopper rod is pulled out to enter the crystallizer after copper liquid in a smelting furnace chamber is detected to be qualified, a casting blank is formed by solidification and crystallization under the action of cooling water, and the casting blank is stretched into a finished product with the size specification required by a customer in the next process. The crystallizer in the prior art has the following defects that a single graphite sleeve is embedded in the crystallizer, the number of openings of the graphite sleeve is generally not more than 4, and when the market share of production accounts for most products with the diameter of more than 8, the capacity of the single graphite sleeve is limited and the efficiency is low. In addition, the graphite sleeve is easy to damage in use and needs to be replaced, and the replacement of the graphite sleeve in the prior art generally needs to take out the crystallizer for replacement, which is troublesome, time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims at providing a porous horizontal continuous casting crystallizer to overcome the not enough among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a porous horizontal continuous casting crystallizer, comprising: the connecting plate is provided with a plurality of first penetrating mounting holes; each first mounting hole is internally provided with a graphite sleeve assembly; each graphite sleeve component comprises a graphite base, a graphite sleeve, a copper sleeve and an outer sleeve; the graphite base is inserted into and fixed in the first mounting hole, one end of the graphite base extends out of the inner side face of the connecting plate, and a graphite sleeve mounting hole is formed in the graphite base along the axial direction of the first mounting hole; the graphite sleeve is arranged in the first mounting hole in a penetrating mode, one end of the graphite sleeve is inserted into the graphite sleeve mounting hole and is in interference fit with the graphite sleeve mounting hole, and at least one through hole is formed in the graphite sleeve along the axial direction of the graphite sleeve; the copper sleeve is sleeved on the graphite sleeve positioned on one side of the outer side face of the connecting plate and is in interference fit with the graphite sleeve; one end of the outer sleeve is fixed on the outer side face of the connecting plate, the copper sleeve is sleeved in the outer sleeve, so that a cavity for containing cooling water is formed between the outer sleeve and the copper sleeve, and a water inlet and a water outlet are formed in the outer sleeve corresponding to the cavity.
Compared with the prior art, the utility model discloses a porous horizontal continuous casting crystallizer is fixed with the smelting furnace fire door through fire door clamp plate and connecting plate, wears to establish on the connecting plate and is equipped with a plurality of graphite cover subassemblies for can install many graphite covers on the crystallizer, and every graphite cover possesses solitary cooling water route, can regulate and control discharge and temperature, makes things convenient for the continuous casting. In addition, the graphite sleeve is in interference fit with the copper sleeve and the graphite base, online replacement can be realized, and online replacement can be completed only by aligning the old graphite sleeve with the new graphite sleeve and driving the old graphite sleeve into the furnace.
Furthermore, the end face of the other end of the graphite sleeve, the end face of one end of the copper sleeve and the end face of the other end of the outer sleeve are on the same plane; and an end face positioning assembly consisting of a copper sleeve pressure ring and a graphite sleeve fixing block is arranged on the end face of the other end of the outer sleeve. The end face positioning assembly copper bush pressure ring and the graphite bush fixing block are arranged on the end faces of the graphite bush and the copper bush at the outer sides and used for fixing the copper bush and the graphite bush and preventing looseness in the continuous casting process.
Furthermore, the graphite sleeve fixing block is also provided with an air inlet which is communicated with the through hole of the graphite sleeve. The air inlet is used for introducing nitrogen and is used for nitrogen protection during continuous casting.
The furnace mouth pressing plate is arranged on the inner side surface of the connecting plate, and one side surface of the furnace mouth pressing plate is attached to the inner side surface of the connecting plate; the furnace mouth pressure plate is provided with a second mounting hole which is matched with the first mounting hole and used for inserting the graphite base; an annular coaming is arranged on the other side surface of the furnace opening pressing plate corresponding to the second mounting hole, and the shape and size of the annular coaming are matched with those of the furnace opening of the smelting furnace; and a cavity formed by the annular enclosing plate is filled with a heat insulation material. And a heat insulation material is filled between the annular coaming and the graphite base, and a heat insulation layer is formed on the inner side surface of the furnace opening pressing plate, so that the high temperature of the copper water in the smelting furnace is prevented from being transferred to an external crystallizer, and the water-cooling continuous casting is prevented from being influenced. And the size of the annular coaming is matched with the furnace mouth, so that the annular coaming can just extend into the furnace mouth, and the drainage of molten copper and the fixation of the furnace mouth pressing plate are facilitated.
Furthermore, be equipped with the heat preservation cotton between fire door clamp plate and the connecting plate, the cotton setting of heat preservation can further prevent on heat transfer to the connecting plate, influence the ingot casting of copper.
Further, still include the copper sheathing spiral band, the copper sheathing spiral band cover is established on the lateral wall of copper sheathing, the copper sheathing spiral band is in the outside of copper sheathing to be located the cavity, can guide the cooling water flow direction, guarantee that the cooling is even.
Further, the graphite sleeve is internally provided with 1, 2 or 3 through holes along the axial direction. The molten copper flows into the through holes from the furnace mouth of the smelting furnace for drawing casting, and each graphite sleeve can simultaneously draw cast 1 or 2 or more casting blanks.
Furthermore, the graphite sleeve assemblies are arranged on the connecting plate in an array mode and are at least one row. By the arrangement, a plurality of graphite sleeves and copper sleeves can be arranged on one crystallizer. A plurality of casting blanks can be simultaneously cast, and solid rods, wires or hollow bars with different shapes and specifications can be also cast according to the shape of the graphite sleeve.
Furthermore, an outer sleeve cover plate is further arranged at one end of the outer sleeve, and the outer sleeve cover plate, the outer sleeve and the connecting plate are integrally processed. The outer sleeve cover plate, the outer sleeve and the connecting plate are processed into a shell for assembling the graphite sleeve assembly, the integrated processing is firmer, the assembly is easier, and time and labor are saved.
Furthermore, a threaded hole and a connecting plate fixing hole which are used for connecting a smelting furnace mouth are further formed in the furnace mouth pressing plate.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a crystallizer in the prior art;
FIG. 2 is a schematic structural view of the crystallizer of the present invention;
FIG. 3 is a schematic structural view of the cover plate, the cover and the connecting plate of the present invention;
FIG. 4 is an assembly view of the graphite sleeve, the copper sleeve and the graphite sleeve base of the present invention;
FIG. 5 is a schematic structural view of the furnace mouth pressure plate of the present invention;
fig. 6 is a schematic structural view of the end face positioning assembly of the present invention;
fig. 7 is a schematic side view of the crystallizer of the present invention.
In the figure, 1, connecting plate; 11. a first mounting hole; 21. a graphite sleeve; 22. a graphite base; 23. a copper sleeve; 24. a jacket; 25. copper sheathing the helical band; 26. a copper sleeve compression ring; 27. a graphite sleeve fixing block; 221. a through hole; 241. a water inlet; 242. a water outlet; 243. a cavity; 244. a cover plate is sleeved outside; 271. an air inlet; 3. a furnace mouth pressing plate; 31. a threaded hole; 32. a connecting plate fixing hole; 33. a second mounting hole; 4. an annular coaming; 5. heat preservation cotton; 6. a smelting furnace.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 2, fig. 2 is a schematic structural diagram of the crystallizer of the present invention.
A porous horizontal continuous casting crystallizer, comprising: connecting plate 1, graphite cover subassembly, terminal surface locating component and fire door clamp plate 3. A plurality of first mounting holes 11 which penetrate through the connecting plate 1 are formed in the connecting plate; a graphite sleeve assembly is arranged in each first mounting hole 11. One side surface of the furnace mouth pressing plate 3 is attached to the inner side surface of the connecting plate 1, and the furnace mouth pressing plate 3 is in butt joint with the furnace mouth of the smelting furnace 6. The end face positioning assembly is arranged at one end, far away from the furnace mouth, of the graphite sleeve assembly.
Specifically, as shown in fig. 3 and 4, fig. 3 is a schematic structural view of the cover plate, the cover and the connecting plate of the present invention integrally formed; fig. 4 is an assembly view of the graphite sleeve, the copper sleeve and the graphite base of the present invention. Each graphite sleeve assembly includes a graphite base 22, a graphite sleeve 21, a copper sleeve 23 and an outer sleeve 24. The graphite base 22 is inserted into and fixed in the first mounting hole 11, one end of the graphite base 22 extends out of the inner side face of the connecting plate 1, the inner side face of the connecting plate 1 is the face aligned with the furnace mouth of the smelting furnace 10, and a graphite sleeve mounting hole is formed in the graphite base 22 along the axial direction of the first mounting hole 11. The graphite sleeve 21 is arranged in the first mounting hole 11 in a penetrating manner, and one end of the graphite sleeve is inserted into the graphite sleeve mounting hole and is in interference fit with the graphite sleeve mounting hole; at least one through hole 221 is formed in the graphite sleeve 21 along the axial direction thereof, and the melt flowing out of the furnace mouth flows into the through hole 221 to cool the ingot. The copper sleeve 23 is sleeved on the graphite sleeve 21 positioned on one side of the outer side face of the connecting plate 1 and is in interference fit with the graphite sleeve. One end of the outer sleeve 24 is fixed on the outer side surface of the connecting plate 1 and the copper sleeve 23 is sleeved in the outer sleeve 24, so that a cavity 243 for containing cooling water is formed between the outer sleeve 24 and the copper sleeve 23, and a water inlet 241 and a water outlet 242 are arranged on the outer sleeve 24 corresponding to the cavity 243. The cooling water enters the cavity 243 through the water inlet 241, and then cools and casts ingots for the copper sleeve 23 and the graphite sleeve 21. The cavity 243 formed between the outer jacket 24 and the copper jacket 23 forms a water jacket. An outer sleeve cover plate 244 is further arranged at one end of the outer sleeve 24, the outer sleeve cover plate 244, the outer sleeve 24 and the connecting plate 1 can be integrally processed, as shown in fig. 3, the outer sleeve cover plate 244, the outer sleeve 24 and the connecting plate 1 are integrally processed into a shell for assembling the graphite sleeve assembly, the integral processing is firmer, and the assembly is easier, time-saving and labor-saving.
Specifically, in the graphite sleeve assembly, the end face (far from the furnace opening) at the other end of the graphite sleeve 21, the end face (far from the furnace opening) at one end of the copper sleeve 23 and the end face (far from the furnace opening) at the other end of the outer sleeve 24 are on the same plane. As shown in fig. 6, fig. 6 is a schematic structural diagram of the end surface positioning assembly of the present invention. The end face positioning component is fixedly connected with one end of the outer sleeve 24, which is far away from the furnace mouth, and is used for fixing the copper sleeve 23 and the graphite sleeve 21. The end face positioning assembly comprises a copper sleeve pressing ring 26 and a graphite sleeve fixing block 27. The copper bush compression ring 26 is matched with the copper bush 23 and is fixedly connected with the outer sleeve 24. The graphite sleeve fixing block 27 is matched with the copper sleeve pressing ring 26 and the graphite sleeve 21. The copper bush compression ring 26 and the graphite bush fixing block 27 are fixedly connected with one end face of the graphite bush assembly far away from the furnace mouth, and are used for fixing the graphite bush 21 and the copper bush 23 and preventing looseness in the use process. The graphite sleeve fixing block 27 is also provided with an air inlet 271, and the air inlet 271 is communicated with the through hole 221 of the graphite sleeve 21. The gas inlet 271 is used for introducing nitrogen gas for nitrogen protection during continuous casting.
Specifically, as shown in fig. 5, fig. 5 is a schematic structural view of the furnace mouth pressing plate 3 of the present invention. The furnace mouth pressure plate 3 is provided with a second mounting hole 33 which is matched with the first mounting hole 11 and is used for inserting the graphite base 22. An annular enclosing plate 4 is arranged on the other side surface (the side surface aligned with the furnace opening) of the furnace opening pressing plate 3 corresponding to the second mounting hole 33, and the shape and the size of the annular enclosing plate 4 are matched with those of the furnace opening of the smelting furnace 6. And a cavity formed between the annular enclosing plate 4 and the graphite base 22 is filled with a heat-insulating material. So set up, form a heat preservation at the medial surface of fire door clamp plate 3, prevent that the high temperature of copper water from transmitting to outside crystallizer in smelting furnace 6, influencing the water-cooling ingot casting. And the size of the annular coaming 4 is matched with the furnace mouth, so that the annular coaming can just extend into the furnace mouth, and the drainage of molten copper and the fixation of the furnace mouth pressing plate 3 are facilitated. The furnace mouth pressure plate 3 is also provided with a threaded hole 31 and a connecting plate fixing hole 32 which are used for connecting the furnace mouth of the smelting furnace 10. The furnace mouth pressure plate 3 is fixed on the furnace mouth of the smelting furnace 6 through the screw holes 31.
Preferably, all be equipped with heat preservation cotton 5 between fire door clamp plate 3 and the connecting plate 1 and between fire door clamp plate 3 and the graphite base 22, the setting of heat preservation cotton 5 can further prevent on heat transfer to connecting plate 1, influence the ingot casting of copper.
Preferably, still be provided with copper sheathing spiral strip 25 on the lateral wall of copper sheathing 23, copper sheathing spiral strip 25 can be with copper sheathing 23 integrated into one piece machine-shaping, and copper sheathing spiral strip 25 is located the cavity 243 of cooling water, can guide the cooling water flow direction, guarantees that the cooling is even.
Preferably, the graphite sleeve assemblies are arranged on the connecting plate 1 in an array manner and are at least one row. The graphite sleeve assemblies can be arranged into a plurality of rows according to requirements, and a plurality of graphite sleeve assemblies are arranged in parallel in each row, so that a plurality of pieces of stretch-cast material can be simultaneously cast. And 1, 2 or 3 through holes 221 are arranged in the graphite sleeve 21 along the axial direction, as shown in fig. 7, so that each graphite sleeve component can simultaneously cast one, 2 or 3 casting blanks, and can also cast solid rods, wires or hollow bars with different shapes and specifications according to the shape of the through holes 221 in the graphite sleeve 21. The production efficiency can be effectively improved.
The utility model discloses a porous horizontal continuous casting crystallizer can be earlier with overcoat 24, overcoat apron 244 and connecting plate 1 integrated into one piece. Aim at first mounting hole 11 assembly graphite cover subassembly again, then assemble terminal surface fixed subassembly and fire door clamp plate 3, form the utility model discloses a crystallizer. Then the crystallizer is aligned and fixedly connected with the mouth of the smelting furnace 6 to finish the assembly. When the casting furnace is used, the melt flowing out of the furnace mouth flows out through the through hole 221 of the graphite sleeve 21, and cooling water is introduced into the cavity 243 to cool the casting ingot. At the outlet of the crystallizer, the casting blank is protected by charging nitrogen. When the graphite sleeve 21 needs to be replaced to a certain degree, the end face positioning assembly is only needed to be detached from the end portion, then the new graphite sleeve is aligned to the old graphite sleeve, and the old graphite sleeve is driven into the hearth of the smelting furnace 6 to complete replacement. And the old graphite is sleeved in the hearth, and can automatically float to the copper liquid surface and be taken away because the density of the old graphite is lighter than that of the copper liquid.
The utility model discloses a porous continuous casting crystallizer can install a plurality of graphite cover 21 on the crystallizer, and every graphite cover all has independent cooling water route, can show and promote the production efficiency of drawing casting, reduces the production energy consumption. Compared with the common crystallizer, the productivity can be improved by 8 times. The crystallizer provided by the invention does not need a base and a stopper rod, so that more auxiliary tool cost is saved. In addition, the graphite sleeve, the copper sleeve and the graphite base of the crystallizer are in small interference fit, so that the graphite sleeve can be replaced on line, the crystallizer does not need to be detached, the replacement is easier and more convenient, and certain operation time is saved compared with the common crystallizer.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
1. A porous horizontal continuous casting crystallizer, characterized by comprising: the connecting plate (1) is provided with a plurality of first mounting holes (11) which penetrate through the connecting plate; each first mounting hole is internally provided with a graphite sleeve assembly;
each graphite sleeve component comprises a graphite base (22), a graphite sleeve (21), a copper sleeve (23) and an outer sleeve (24);
the graphite base is inserted into and fixed in the first mounting hole, one end of the graphite base extends out of the inner side face of the connecting plate, and a graphite sleeve mounting hole is formed in the graphite base along the axial direction of the first mounting hole;
the graphite sleeve is arranged in the first mounting hole in a penetrating mode, one end of the graphite sleeve is inserted into the graphite sleeve mounting hole and is in interference fit with the graphite sleeve mounting hole, and at least one through hole (211) is formed in the graphite sleeve along the axial direction of the graphite sleeve;
the copper sleeve is sleeved on the graphite sleeve positioned on one side of the outer side face of the connecting plate and is in interference fit with the graphite sleeve;
one end of the outer sleeve is fixed on the outer side face of the connecting plate, the copper sleeve (23) is sleeved in the outer sleeve, so that a cavity (243) for containing cooling water is formed between the outer sleeve and the copper sleeve, and a water inlet (241) and a water outlet (242) are formed in the outer sleeve corresponding to the cavity.
2. The porous horizontal continuous casting crystallizer of claim 1, wherein: the end face of the other end of the graphite sleeve, the end face of one end of the copper sleeve and the end face of the other end of the outer sleeve are on the same plane; and the end face positioning component consisting of a copper sleeve pressing ring (26) and a graphite sleeve fixing block (27) is arranged on the end face of the other end of the outer sleeve.
3. The porous horizontal continuous casting crystallizer of claim 2, wherein: the graphite sleeve fixing block (27) is also provided with an air inlet (271), and the air inlet is communicated with the through hole of the graphite sleeve.
4. A porous horizontal continuous casting crystallizer according to claim 1, characterized in that; the furnace mouth pressing plate (3) is further included, and one side face of the furnace mouth pressing plate (3) is attached to the inner side face of the connecting plate; the furnace mouth pressure plate is provided with a second mounting hole (33) which is matched with the first mounting hole and is used for inserting the graphite base; an annular coaming (4) is arranged on the other side surface of the furnace mouth pressing plate corresponding to the second mounting hole, and the shape and size of the annular coaming are matched with those of the furnace mouth of the smelting furnace; and a cavity formed by the annular enclosing plate is filled with a heat insulation material.
5. A porous horizontal continuous casting crystallizer according to claim 4, characterized in that; and heat insulation cotton (5) is arranged between the furnace mouth pressing plate (3) and the connecting plate (1).
6. A porous horizontal continuous casting crystallizer according to claim 1, characterized in that; still include copper sheathing helical band (25), the copper sheathing helical band cover is established on the lateral wall of copper sheathing.
7. A porous horizontal continuous casting crystallizer according to claim 1, characterized in that; the graphite sleeve (21) is internally provided with 1, 2 or 3 through holes (211) along the axial direction.
8. A porous horizontal continuous casting crystallizer according to claim 1, characterized in that; the graphite sleeve assemblies are arranged on the connecting plate in an array mode and are at least one row.
9. A porous horizontal continuous casting crystallizer according to claim 1, characterized in that; an outer sleeve cover plate is further arranged at one end of the outer sleeve, and the outer sleeve cover plate (244), the outer sleeve (24) and the connecting plate (1) are integrally processed.
10. A porous horizontal continuous casting crystallizer according to claim 4 or 5, characterized in that: the furnace mouth pressing plate (3) is also provided with a threaded hole (31) and a connecting plate fixing hole (32) which are used for connecting the furnace mouth of the smelting furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478224.8U CN210996360U (en) | 2019-09-05 | 2019-09-05 | Porous horizontal continuous casting crystallizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921478224.8U CN210996360U (en) | 2019-09-05 | 2019-09-05 | Porous horizontal continuous casting crystallizer |
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| CN210996360U true CN210996360U (en) | 2020-07-14 |
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| CN201921478224.8U Active CN210996360U (en) | 2019-09-05 | 2019-09-05 | Porous horizontal continuous casting crystallizer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871393A (en) * | 2022-04-27 | 2022-08-09 | 佛山建投华鸿铜业有限公司 | Method for protecting crystallizer by nitrogen to reduce loss |
| CN117961013A (en) * | 2024-03-20 | 2024-05-03 | 常熟中佳新材料有限公司 | Self-dehydrogenation type copper pipe horizontal continuous casting graphite crystallizer device of holding furnace |
-
2019
- 2019-09-05 CN CN201921478224.8U patent/CN210996360U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871393A (en) * | 2022-04-27 | 2022-08-09 | 佛山建投华鸿铜业有限公司 | Method for protecting crystallizer by nitrogen to reduce loss |
| CN117961013A (en) * | 2024-03-20 | 2024-05-03 | 常熟中佳新材料有限公司 | Self-dehydrogenation type copper pipe horizontal continuous casting graphite crystallizer device of holding furnace |
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