CN103056316A - Copper pipe continuous casting device for crystallizer - Google Patents
Copper pipe continuous casting device for crystallizer Download PDFInfo
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- CN103056316A CN103056316A CN2012102199538A CN201210219953A CN103056316A CN 103056316 A CN103056316 A CN 103056316A CN 2012102199538 A CN2012102199538 A CN 2012102199538A CN 201210219953 A CN201210219953 A CN 201210219953A CN 103056316 A CN103056316 A CN 103056316A
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- copper pipe
- crystallizer
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- copper
- continuous casting
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Abstract
The invention discloses a copper pipe continuous casting device for a crystallizer and belongs to the technical filed of special type foundry technologies and special type foundry devices. The copper pipe continuous casting device for the crystallizer aims to produce thick-wall non-ferrous metal copper pipes. The copper pipe continuous casting device for the crystallizer comprises a distribution component, an internal cooling part, an external cooling part, and a dummy ingot part, wherein casting space is composed of the internal cooling part, the external cooling part, the dummy ingot part, and the position of the outer side wall of an inner cooling body (2) of the external cooling part is provided with heaters (4) in an encircling mode. The technology of copper pipe production can save processes of heating, thickening, and punching of solid bases, can manufacture copper pipe type workpieces with different shapes, and can achieve short process manufacture of the copper pipe type workpieces with the different shapes.
Description
Technical field
The invention belongs to Special Processes of Metal Castings technique and Special Processes of Metal Castings equipment technical field, more particularly, belong to a kind of short flow process continuous casting technology of heavy wall non-ferrous metal copper materials in the tube.
Background technology
Crystallizer generally has round mold, oval billet crystallizer, rectangular-blank crystallizer, I-shaped billet crystallizer in the prior art.Round mold, oval billet crystallizer, rectangular-blank crystallizer, I-shaped billet crystallizer use respectively circular copper pipe, oval copper pipe, rectangle copper pipe, I-shaped copper pipe through the heat-barrier material manufacturing such as electrodeposited chromium zirconium on its inside pipe wall after Overheating Treatment and the moulding.
Crystallizer all adopts the solid billet manufacturing to form with copper pipe in the prior art, and the production technology of crystallizer copper pipe is: the heating of solid copper ingot, honest thick and punching on forging press, prepare hollow intermediate blank by pre-expansion or drawing; Again the heating after, be prepared into all kinds of crystallizer copper pipes at ring rolls or forging press.There is complex process in the processing method of prior art, and the manufacturing cycle is long, adds the showing tremendous enthusiasm time shortcoming such as many.
The non-ferrous metal copper pipe also can adopt centrifugal process or horizontal cast method to cast processing in the prior art, and such processing method can only be produced thin-walled non-ferrous metal copper pipe, can not produce heavy wall non-ferrous metal copper pipe.Centrifugal process needs special equipment, and equipment investment is very large, and can not produce heavy wall non-ferrous metal copper pipe.The non-ferrous metal copper pipe thin-walled that horizontal cast is produced is inhomogeneous, and the top dimension of copper pipe and bottom size have very large deviation, nor can produce heavy wall non-ferrous metal copper pipe.
Chinese patent (CN201823900) discloses a kind of steel pipe connecting casting machine, this equipment is provided with end leakage copper-clad, interior crystallizer, outer crystallizer, the bottom that copper-clad is leaked at the end is provided with submersed nozzle, and submersed nozzle extends in the toroidal cavity that forms between interior crystallizer, the outer crystallizer.Toroidal cavity between interior crystallizer, the outer crystallizer forms steel pipe, steel pipe is loop configuration, crystallizer outside the arranged outside of steel pipe upper end, inboard in the steel pipe upper end arranges interior crystallizer, the bottom of steel pipe arranges the dummy ingot base plate, the steel pipe that obtains has the characteristics of the high and high purity of compactness, for high-end circular piece and pipe type element provide high-quality steel raw material.Utilize the disclosed continuous casting installation for casting of patent (CN201823900) to produce steel pipe, save honest thick and punching operation, only can prepare major diameter tubing spare and circular piece by pulling and reaming operation, realize the short flow manufacturing of high-end steel circular piece and steel pipe type element.
The technical scheme of Chinese patent (CN201823900) is for the production of steel pipe, because fusing point and the thermal conductivity of ferrous metal and non-ferrous metal have larger difference, the technical scheme of above patent is only applicable to produce heavy wall ferrous metal steel pipe, is not suitable for producing heavy wall non-ferrous metal copper pipe; Equipment inboard in this patent (CN201823900) only has refrigerating function, use in the process of this device fabrication copper pipe and can not regulate effectively to prevent that copper pipe is too fast solidifies to the temperature of copper pipe, the very fast liquid point depth of copper pipe cooling velocity is large in the production process, the liquid point depth conference causes solid-liquid interface to clamp inner core near the crystalline copper at inner core place, this can't carry out copper pipe drawing work with regard to the problem that " sandwich " occurred, finally causes continuous casting installation for casting to be scrapped.
The non-ferrous metal crystallization rate is far longer than ferrous metal, the equipment of mentioning in this patent of CN201823900 is suitable for producing heavy wall ferrous metal steel pipe, but be not suitable for producing the heavy wall copper pipe, when this patent of CN201823900 is produced heavy wall non-ferrous metal copper pipe, the stripping that can't stretch because the non-ferrous metal crystallization rate can cause soon that the heavy wall copper pipe is clamped on the interior cooling body, if cooling velocity is too fast then can cause very large liquid cave in the copper pipe pulling process, this can cause the Separation of Solid and Liquid phenomenon, then can cause the copper liquid more than the liquid cave to be revealed if there is the Separation of Solid and Liquid phenomenon in the pulling process, the copper pipe of producing simultaneously has obvious crackle.
Summary of the invention
The present invention provides the continuous casting installation for casting of a kind of non-ferrous metal crystallizer with copper pipe in order to solve above technical problem, has effectively solved the High-efficient Production processing problems of large wall thickness non-ferrous metal copper materials in the tube.
The crystallizer of the present invention continuous casting installation for casting of copper pipe, comprise splitter section, interior cooling segment, outer cooling segment, dummy ingot part, partly form casting space by interior cooling segment, outer cooling segment and dummy ingot, it is characterized in that: the interior cooling body lateral wall place of described outer cooling segment is surrounded with heater.
Splitter section comprises end leakage copper-clad, shunting funnel, stream copper liquid mouth, copper liquid.Copper liquid leaks copper-clad the end of through and enters the shunting funnel, and copper liquid enters the casting space that is partly formed by interior cooling segment, outer cooling segment and dummy ingot through the stream copper liquid mouth on the shunting funnel.
Interior cooling segment comprises interior cooling body, interior cooling chamber, inner core frame.Interior cooling chamber is arranged in the interior cooling body, and cooling fluid is by there being interior cooling chamber that the copper pipe in the casting space is cooled off in the interior cooling body; The inner core frame is used for internal cooling body to be supported.
Outer cooling segment comprises outer graphite wall, outer cooling body, outer cooling chamber.Outer cooling chamber is arranged in the outer cooling body, and cooling water is forced cooling by outer cooling chamber to the outer wall of copper pipe.Outer graphite wall is installed on the inwall of outer cooling body, outer graphite wall to copper pipe in the casting process axially-movable in casting space play lubrication.
Dummy ingot partly is the dummy ingot base plate.Be processed with the cell body of dovetail groove, mushroom groove or other shapes on the dummy ingot base plate, the copper pipe of cooling forming is fixed on the dummy ingot base plate by dovetail groove or mushroom groove in the casting space, and the dummy ingot base plate drives copper pipe axially-movable in casting space of cooling forming.
Described heater is resistive heating device, and resistive heating device is to be wrapped in resistive heater by mica, and mica plays insulating effect to resistive heater.
Described splitter section has hopper heater, and hopper heater is resistive heating device, and hopper heater is to be wrapped in resistive heater by mica, and mica plays insulating effect to resistive heater.
The outer ring of described heater is wound with interior graphite wall, interior graphite wall to copper pipe in the casting process axially-movable in casting space play lubrication.
The wall thickness of casting space is 10-50mm between described interior cooling body and the outer cooling body.The internal diameter of described outer cooling body is 200-500mm.The thickness that uses continuous casting installation for casting of the present invention to produce copper pipe is 10-50mm, and the external diameter of copper pipe is 200-500mm.Use the thickness of continuous casting installation for casting production circular copper pipe of the present invention between 10-50mm, the diameter of circular copper pipe is between 200-500mm.Use thickness that continuous casting installation for casting of the present invention produces oval copper pipe between 10-50mm, the major axis of oval copper pipe and minor axis are between 200-500mm.Use the thickness of continuous casting installation for casting production rectangle copper pipe of the present invention between 10-50mm, the length of rectangle copper pipe and width are between 200-500mm.For wall thickness can the horizontal semi-continuous casting of employing less than the copper pipe of 10mm or the mode of centrifugal casting make, can adopt the mode of the vertical semi-continuous casting of not being with heater to make for wall thickness greater than the copper pipe of 50mm.
Leak copper-clad and inject the non-ferrous metal liquid that is in molten condition in toroidal cavity at the end of the present invention, and non-ferrous metal liquid solidifies the crust moulding partly being formed by interior cooling segment, outer cooling segment and dummy ingot in the casting space.Because interior cooling segment and outer cooling segment utilize cooling medium to force simultaneously cooling to the inner and outer wall of copper pipe, accelerate the copper pipe setting rate, have improved the copper pipe dense internal organization.Be processed with the cell body of dovetail groove, mushroom groove or other shapes on the dummy ingot base plate, the copper pipe of cooling forming is fixed on the dummy ingot base plate by dovetail groove or mushroom groove, the copper pipe that the dummy ingot base plate drives cooling forming moves downward, the dummy ingot base plate drives takes downward two processes to return a process on backward usually when copper pipe moves downward, namely take the mode of " advance two and move back " to move downward, advance and move back carry out simultaneously and cooperate inside and outside simultaneously the cooling can make the crystallization rate of copper pipe very fast.
Crystallizer of the present invention is with being surrounded with a heater on the cooling body in the continuous casting installation for casting of copper pipe, heater is the resistive heater that is wrapped in by mica, mica has extraordinary insulation effect, mica plays insulating effect to resistive heater, heater can be controlled the degree of depth in liquid cave, heater can constantly heat the degree of depth of impelling the liquid cave and be in all the time more among a small circle to the crystalline copper at solid-liquid interface place, the little problem that then can avoid occurring Separation of Solid and Liquid of liquid point depth can also avoid simultaneously occurring the problem of the copper pipe " sandwich " that is in top, liquid cave of just crystallization.Because process is moved downwards incessantly, drawback movement then makes progress for the copper pipe of dummy ingot base plate drive crystallization, copper liquid, heater can heat solid-liquid interface all the time makes the degree of depth in liquid cave very little, and the following copper pipe of solid-liquid interface such as can form at the axle shape crystal.
Heater and interior graphite wall cooperating, interior graphite wall has good heat conductivility and greasy property, interior graphite wall can be passed to solid-liquid interface fast with the heat that comes from internal heater, thereby the common work of heater and interior graphite wall promotes the degree of depth in liquid cave to diminish; Because copper pipe takes approximately the mode of " advance two and move back " to move downward, interior graphite wall has played extraordinary lubricant effect to moving up and down of copper pipe; This can obtain very good casting effect.
Splitter section has hopper heater that the copper liquid in the shunting funnel of splitter section is heated, and makes the copper liquid in the shunting funnel be in all the time molten condition, and the copper liquid of avoiding shunting in the funnel solidifies.Hopper heater is to be wrapped in resistive heater by mica, and mica has extraordinary insulation effect, and mica plays insulating effect to resistive heater.
The present invention utilizes conticaster to produce copper pipe, save solid billet heating, honest thick and punching operation, can make various shape non-ferrous metal copper pipe parts (circular copper pipe, oval copper pipe, rectangle copper pipe, I-shaped copper pipe), realize the short flow manufacturing of all kinds of non-ferrous metal copper pipe parts.Copper pipe can directly be pulled out, and need not the operation such as honest thick, punching, can reduce the blank heating number of times, reduces energy resource consumption.Not only can improve stock utilization, and can reduce energy resource consumption, shorten manufacturing process, be of great benefit to the non-ferrous metal copper materials in the tube to producing crystallizer.Adopt equipment of the present invention can produce oval non-ferrous metal copper pipe, rectangle non-ferrous metal copper pipe, I-shaped non-ferrous metal copper pipe simultaneously.
Description of drawings
Accompanying drawing 1 is the continuous casting installation for casting that crystallizer of the present invention is used round copper pipe.
The specific embodiment
Fig. 1 is the continuous casting installation for casting that crystallizer of the present invention is used round copper pipe; Crystallizer of the present invention comprises end leakage copper-clad 1, copper pipe 9, interior cooling body 2, dummy ingot base plate 10 with the continuous casting installation for casting of copper pipe, and the lateral wall place of interior cooling body 2 is surrounded with heater 4.Interior cooling chamber 3, shunting funnel 5, inner core frame 6, outer cooling chamber 7, interior graphite wall 8, dummy ingot base plate 10, interior cooling cycle chamber 11, interior coolant distributor 12, stream copper liquid mouth 13, outer cooling body 14, outer graphite wall 15, hopper heater 16, copper liquid 17.
Splitter section comprises end leakage copper-clad 1, shunting funnel 5, stream copper liquid mouth 13, copper liquid 17.Copper liquid 17 leaks copper-clad 1 end of through and enters shunting funnel 5, and copper liquid 17 enters the casting space that is partly formed by interior cooling segment, outer cooling segment and dummy ingot through the stream copper liquid mouth 13 on the shunting funnel 5.
Interior cooling segment comprises interior cooling body 2, interior cooling chamber 3, interior cooling cycle chamber 11, interior coolant distributor 12, inner core frame 6.Interior cooling chamber 3, interior cooling cycle chamber 11, interior coolant distributor 12 are arranged in the interior cooling body, and cooling fluid is by there being the copper pipe in interior cooling chamber 3, interior cooling cycle chamber 11,12 pairs of casting spaces of interior coolant distributor to cool off in the interior cooling body 2.Inner core frame 6 is used for internal cooling body 2 to be supported.The cooling water of interior cooling cycle chamber 11 inside has certain pressure and flow; Interior cooling chamber 3 is from interior cooling cycle chamber 11 and the recirculated cooling water that comes sprays to copper pipe that cast becomes and it cooled off realizing; Interior coolant distributor 12 is positioned at the bottom of cooling body 2.
Outer cooling segment comprises outer graphite wall 15, outer cooling body 14, outer cooling chamber 7.Outer cooling chamber 7 is arranged in the outer cooling body 14, and cooling water is forced cooling by the outer wall of 7 pairs of copper pipes of outer cooling chamber.Outer graphite wall 15 is installed on the inwall of outer cooling body 14, and lubrication is played in copper pipe axially-movable in casting space in 15 pairs of casting process of outer graphite wall.
Dummy ingot partly is dummy ingot base plate 10.Be processed with the cell body of dovetail groove, mushroom groove or other shapes on the dummy ingot base plate 10, the copper pipe of cooling forming is fixed on the dummy ingot base plate by dovetail groove or mushroom groove in the casting space, and dummy ingot base plate 10 drives copper pipe axially-movable in casting space of cooling forming.
The metallographic structure major part that crystallizer of the present invention is produced copper pipe is equi-axed crystal, and the mechanics effect of equi-axed crystal copper pipe is very good.By copper pipe is carried out deformation test and pressure test, crackle does not appear in copper pipe, shows that the plasticity of copper pipe is very good.
Claims (7)
1. a crystallizer is with the continuous casting installation for casting of copper pipe, comprise splitter section, interior cooling segment, outer cooling segment, dummy ingot part, partly form casting space by interior cooling segment, outer cooling segment and dummy ingot, it is characterized in that: interior cooling body (2) the lateral wall place of described outer cooling segment is surrounded with heater (4).
2. according to claim 1 crystallizer is with the continuous casting installation for casting of copper pipe, and it is characterized in that: described heater (4) is resistive heating device.
3. according to claim 1 crystallizer is with the continuous casting installation for casting of copper pipe, and it is characterized in that: described splitter section has hopper heater (16).
4. according to claim 1 crystallizer is with the continuous casting installation for casting of copper pipe, and it is characterized in that: described hopper heater (16) is resistive heating device.
5. according to claim 1 crystallizer is with the continuous casting installation for casting of copper pipe, and it is characterized in that: the outer ring of described heater (4) is wound with interior graphite wall (8).
6. according to claim 1 crystallizer is with the continuous casting installation for casting of copper pipe, and it is characterized in that: the wall thickness of casting space is 10-50mm between described interior cooling body (2) and the outer cooling body (14).
7. according to claim 1 crystallizer is with the continuous casting installation for casting of copper pipe, and it is characterized in that: the internal diameter of described outer cooling body (14) is 200-500mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102199538A CN103056316A (en) | 2012-06-29 | 2012-06-29 | Copper pipe continuous casting device for crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102199538A CN103056316A (en) | 2012-06-29 | 2012-06-29 | Copper pipe continuous casting device for crystallizer |
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| Publication Number | Publication Date |
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| CN103056316A true CN103056316A (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102199538A Pending CN103056316A (en) | 2012-06-29 | 2012-06-29 | Copper pipe continuous casting device for crystallizer |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6072645A (en) * | 1983-09-29 | 1985-04-24 | Nippon Light Metal Co Ltd | Apparatus for producing hollow billet |
| JPS61255747A (en) * | 1985-05-07 | 1986-11-13 | Sumitomo Metal Ind Ltd | Production of hollow metallic stock |
| EP0293601A2 (en) * | 1987-04-30 | 1988-12-07 | Furukawa Aluminum Co., Ltd. | Method of manufacturing hollow billet and apparatus therefor |
| JPH04178242A (en) * | 1990-11-13 | 1992-06-25 | Kubota Corp | Method and device for casting pipe continuously |
| CN1066996A (en) * | 1992-04-06 | 1992-12-16 | 夏源河 | Crystallizer for non-oxygen continuous casting |
| CN202877498U (en) * | 2012-06-29 | 2013-04-17 | 大连大山铜业有限公司 | Continuous casting device of copper pipe for crystallizer |
-
2012
- 2012-06-29 CN CN2012102199538A patent/CN103056316A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6072645A (en) * | 1983-09-29 | 1985-04-24 | Nippon Light Metal Co Ltd | Apparatus for producing hollow billet |
| JPS61255747A (en) * | 1985-05-07 | 1986-11-13 | Sumitomo Metal Ind Ltd | Production of hollow metallic stock |
| EP0293601A2 (en) * | 1987-04-30 | 1988-12-07 | Furukawa Aluminum Co., Ltd. | Method of manufacturing hollow billet and apparatus therefor |
| JPH04178242A (en) * | 1990-11-13 | 1992-06-25 | Kubota Corp | Method and device for casting pipe continuously |
| CN1066996A (en) * | 1992-04-06 | 1992-12-16 | 夏源河 | Crystallizer for non-oxygen continuous casting |
| CN202877498U (en) * | 2012-06-29 | 2013-04-17 | 大连大山铜业有限公司 | Continuous casting device of copper pipe for crystallizer |
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Application publication date: 20130424 |