CN1066365C - Apparatus for intensifying cooling in casting of metal objects - Google Patents
Apparatus for intensifying cooling in casting of metal objects Download PDFInfo
- Publication number
- CN1066365C CN1066365C CN97102416A CN97102416A CN1066365C CN 1066365 C CN1066365 C CN 1066365C CN 97102416 A CN97102416 A CN 97102416A CN 97102416 A CN97102416 A CN 97102416A CN 1066365 C CN1066365 C CN 1066365C
- Authority
- CN
- China
- Prior art keywords
- cooler
- cooling
- director element
- cooling agent
- casting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/14—Plants for continuous casting
- B22D11/145—Plants for continuous casting for upward casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Executing Machine-Instructions (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
An apparatus for continuous upward casting of a metal object comprises a nozzle having an upper part, a cooler surrounding the upper part of the nozzle and defining a cooling chamber for receiving a flow of cooling agent, a separating element dividing the cooling chamber into an inner part and an outer part. A guide structure is formed in the cooler near the bottom of the cooler, for influencing flow of cooling agent and intensifying cooling of the metal object near the bottom of the cooler, whereby a solidification front is formed in the nozzle between molten metal and solid metal near the bottom of the cooler.
Description
The present invention relates to the device of fierce cooling foundry goods in metal casting.
For example in the U.S. Pat 3746077 disclosed vertical continuous uphill casting methods, cooler is as shown in Figure 1 used in the cooling of metal casting usually.The coolant inlet of cooling agent wherein by near the cooler outer wall, being provided with, from the overhead stream of cooler to the bottom.In cooler, be provided with intervalve, make cooling agent its outlet of leading when rising at cooler inwall place.In Fig. 1, molten metal guiding geat 1; Formed the solidification front of molten metal at height 2 places of geat, molten metal solidifies at this place.In cooler 3, by means of intervalve 4, cooling agent is at first down led the bottom of cooler by coolant inlet, and then up returns, and to the overhead stream of cooler, discharges from cooler again.Clearly, the thermal content of discharging from geat 1 is the height at solidification front 2 substantially, because in process of setting, metallic state changes and gives out heat according to state-shift.
When the cooler of prior art shown in Figure 1 for example was used for the cast metal silk, at this moment casting speed was than very fast, and the increase that can be observed cast metal silk temperature is the function of time.When casting copper wire with 6 meters/minute speed, after cooling, the temperature on copper wire surface also is higher than 500 ℃.So increasing of copper wire temperature makes the copper wire fracture usually, makes operational quality become bad.The reason of increase in temperature is for example in the thermal expansion of cooler bottom, has produced the gap in the screw thread between geat and cooler like this.In addition, high melting heat capacity makes water surface temperature rising in the cooler under high casting speed, thereby has produced heat insulation steam bubble at the cooling surface of cooler.
The objective of the invention is to eliminate the above-mentioned defective of prior art, a kind of new more reliable device of follow-on operation is provided, make under high casting speed, up vertically connecting in the casting, can more effectively cool off foundry goods especially by the bottom.
For realizing above-mentioned purpose of the present invention, the invention provides a kind of in casting the device of fierce cooling foundry goods, at least the top of continuously cast machine geat is surrounded by a cooler, in cooler, be provided with an isolated component, it has been divided into two parts to cooler, described cooler is provided with at least one director element, this director element is contained in the cooler casing and links to each other with isolated component in being arranged on cooler, according to the present invention, described director element is at least one guide groove that is arranged on the cooler casing body.
The present invention also provide a kind of in metal casting the device of fierce cooling foundry goods, at least the top of conticaster geat is surrounded by a cooler, in cooler, be provided with an isolated component, it has been divided into two parts to cooler, described cooler is provided with at least one director element, this director element is contained in the cooler casing or links to each other with isolated component in being arranged on cooler, it is characterized in that described director element is at least one guide groove that is arranged on the cooler casing.
According to the present invention, director element is preferably disposed on the height place that the molten metal solidification front of cooling device is limited, and makes that particularly highly locating cooling effect at this has at least very advantageously strengthened.Simultaneously, also prevent the rising of casting temperature, avoided the product fracture thus.
Director element of the present invention can very advantageously be contained on the housing of cooler and/or on the isolated component that limited by the ANALYSIS OF COOLANT FLOW direction, this isolated component make cooling agent in cooler earlier from the top toward dirty, and then return the upper reaches.When director element is contained in the cooler casing, these elements have formed cooling agent have been directed near the surface that will cool off.So strengthened cooling, also strengthened cooling in the part of solidification front elevation-over.
Use director element of the present invention, cooling agent can very advantageously flow through position the hottest in the continuous vertical casting, can fully use total cooling capacity of cooling agent.Can improve used casting speed like this, and can not increase the temperature of foundry goods and the danger of the foundry goods having avoided causing thus fracture.
The ginseng accompanying drawing describes the present invention in detail below, in the accompanying drawing:
Fig. 1 shows prior art and uses the schematic side elevation of the cooler of the casting machine of continuous vertical casting from bottom to up;
Fig. 2 illustrates the schematic side elevation of a most preferred embodiment of the present invention, and wherein the director element of cooling agent is contained on the housing of cooler;
Fig. 3 illustrates the schematic side elevation of another most preferred embodiment of the present invention, and wherein the director element of cooling agent is contained on the isolated component of cooler.
Fig. 4 illustrates this schematic side elevation that the 3rd most preferred embodiment arranged, and wherein the director element of cooling agent is contained on the housing of isolated component and cooler.
In front the part of prior art explanation has been explained Fig. 1.
Among Fig. 2, cooler 11 is positioned to and surrounds geat 12, makes that the top of geat 12 is cooled at least.Cooling agent as water and so on enters cooler by the import 13 that is arranged in the cooler top.In cooler 11, cooling agent at first flows downstream in the space between the outer wall of cooler 11 and the isolated component 14 that is provided with in cooler along the direction of arrow among Fig. 2.Then, according to the present invention, when cooling agent leads to the height of the molten metal solidification front 15 in geat 12, enter in the guide groove 16 of the basic horizontal in the housing that is arranged on cooler 11, make cooling agent flow in fact inwall, so very advantageously improved cooling effectiveness near the cooler 11 that is in thermal site.Guide groove 16 links to each other with another guide groove 17 again, and in fact the latter parallels with the inner vertical walls of cooler 11.Except guide groove 16 and 17 takes cooling agent to the thermal site of cooler casing substantially, also be expanded on the surface of thermal site place and the contacted cooler casing 11 of cooling agent.The further like this cooling capacity that improves cooler 11.
The cooling agent that has heated in cooler 11 inwalls and isolated component 14 rises by guide groove 17, and discharges cooler via coolant outlet 18.In the cooler guide groove 16 and 17 number can according to apparatus of the present invention should be used for determine, can be one or more.
In Fig. 3, cooler 22 is arranged to surround geat 21, and wherein the flow of coolant direction also illustrates with arrow as the mode of Fig. 2.Cooling agent enters in the cooler 22 by import 23, and cooling agent down flows to the bottom of cooler between the outer wall of cooler 11 and isolated component 24.According to the present invention, in the bottom of isolated component 24, be in the height place of the molten metal solidification front 25 in the geat 21 basically, be provided with at least one guide 26, in order to the inwall of cooling agent guiding cooler, very advantageously lead the fierce place of cooling off of inwall requirement.Warmed-up cooling agent is directed to coolant outlet 27 by the space between the inwall of isolated component 24 and cooler 11.Use guide 26 of the present invention, the flow velocity of cooling agent can increase, so cooling effectiveness is better.Equally, the turbulent flow of cooling agent also increases, and therefore very advantageously prevents to produce a vapor film at cooler surface.
In the embodiment of Fig. 4, cooler 31 is arranged to surround the top of geat 32.Cooling agent infeeds by the coolant inlet 33 that the cooler top is provided with, and the space between cooler outer wall and isolated component 34 down flows to the bottom of cooler 31.Inwall for cooler that cooling agent is led, bottom at isolated component 34, basically be in the molten metal solidification front 35 in the geat 32, connecting at least one guide 36, cooling agent be directed to be provided with on the cooler inwall with vertical substantially at least one groove 37 of this inwall in.Because the effect of director element 36 and groove 37, the pressure energy that cooling agent comprised is transformed into function.Like this, when preventing that generation from can reduce the adiabatic steam layer of cooling effectiveness, improved the cooling effectiveness of cooling agent.The warmed-up cooling agent in bottom at the cooler in the hot spot that is in cooler is substantially discharged from cooler 31 by the coolant outlet 38 that is provided with at the cooler top.
Above-mentioned Fig. 2 shows most preferred embodiment of the present invention to Fig. 4, respectively has a multi-form director element.But can understand that in the time of needs, various forms of director elements can be used in the same cooler.
Claims (4)
1. the device of a fierce cooling foundry goods in metal casting, the conticaster geat (12,21 at least, 32) top is a cooler (11,22,31) surround, in cooler, be provided with an isolated component (14,24,34), it is cooler (11,22,31) two parts have been divided into, described cooler (11,22,31) is provided with at least one director element (16,17), this director element is contained in the cooler casing and with the isolated component (14,24,34) that is arranged in the cooler and links to each other, it is characterized in that described director element is at least one guide groove (16,17) that is arranged on the cooler casing.
2. according to the device of claim 1, it is characterized in that described director element (16,17) is located at the height place that the solidification front (15,25,35) that is located at the molten metal in the geat (12,21,31) is limited.
3. the device of a fierce cooling foundry goods in metal casting, the conticaster geat (12,21 at least, 32) top is a cooler (11,22,31) surround, in cooler, be provided with an isolated component (14,24,34), it is cooler (11,22,31) two parts have been divided into, described cooler (11,22,31) is provided with at least one director element (16,17), this director element is contained in the cooler casing or with the isolated component (14,24,34) that is arranged in the cooler and links to each other, it is characterized in that described director element is at least one guide groove (16,17) that is arranged on the cooler casing.
4. according to the device of claim 3, it is characterized in that described director element (16,17) is located at the height place that the solidification front (15,25,35) that is positioned at the molten metal in the geat (12,21,31) is limited.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI905102A FI87894C (en) | 1990-10-17 | 1990-10-17 | ANORDINATION FOR EFFECTIVE KYLNING VID GJUTNING AV ETT METALLSTYCKE |
FI905102 | 1990-10-17 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN91109722A Division CN1046876C (en) | 1990-10-17 | 1991-10-16 | Apparatus for intensifying cooling in casting of metal of jects |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1166392A CN1166392A (en) | 1997-12-03 |
CN1066365C true CN1066365C (en) | 2001-05-30 |
Family
ID=8531257
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN91109722A Expired - Fee Related CN1046876C (en) | 1990-10-17 | 1991-10-16 | Apparatus for intensifying cooling in casting of metal of jects |
CN97102416A Expired - Fee Related CN1066365C (en) | 1990-10-17 | 1997-02-03 | Apparatus for intensifying cooling in casting of metal objects |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN91109722A Expired - Fee Related CN1046876C (en) | 1990-10-17 | 1991-10-16 | Apparatus for intensifying cooling in casting of metal of jects |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0481380B1 (en) |
JP (1) | JP3276381B2 (en) |
CN (2) | CN1046876C (en) |
AT (1) | ATE134543T1 (en) |
DE (1) | DE69117422T2 (en) |
ES (1) | ES2084749T3 (en) |
FI (1) | FI87894C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109290534A (en) * | 2018-11-21 | 2019-02-01 | 邹志琼 | Crystallizer is used in a kind of manufacture of copper rod |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI90210C (en) * | 1991-11-14 | 1994-01-10 | Outokumpu Castform Oy | Device for effecting cooling when casting metal bodies |
FI112447B (en) * | 1997-04-29 | 2003-12-15 | Outokumpu Oy | Method and apparatus for upward casting of metal wires, rods and pipes |
CN100348346C (en) * | 2006-04-20 | 2007-11-14 | 陈健美 | Semi-continuous casting method for light alloy and dedicated apparatus for implementing the same |
CN103103622B (en) * | 2011-11-11 | 2015-10-21 | 中国科学院沈阳科学仪器研制中心有限公司 | A kind of water jacket that can work under the hot environment of single crystal furnace equipment for a long time |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2553921A (en) * | 1949-04-12 | 1951-05-22 | Jordan James Fernando | Continuous casting apparatus |
DE2060451A1 (en) * | 1969-12-15 | 1971-07-22 | Outokumpu Oy | A continuous process for the vertical upward casting of bars, plates, tubes and the like. |
US3746077A (en) * | 1970-05-19 | 1973-07-17 | Outokumpu Oy | Apparatus for upward casting |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5027032A (en) * | 1973-07-12 | 1975-03-20 | ||
JPS6121740A (en) * | 1984-07-09 | 1986-01-30 | 井関農機株式会社 | Dehulling detection method of hulling machine |
CN86203074U (en) * | 1986-06-30 | 1986-12-17 | 机械工业部上海电缆研究所 | Continually casting crystallizer operated by a drawing-up method |
JPH02182351A (en) * | 1989-01-06 | 1990-07-17 | Kubota Ltd | Drawing-up continuous casting method for tube with different diameters |
-
1990
- 1990-10-17 FI FI905102A patent/FI87894C/en not_active IP Right Cessation
-
1991
- 1991-10-11 DE DE69117422T patent/DE69117422T2/en not_active Expired - Fee Related
- 1991-10-11 ES ES91117411T patent/ES2084749T3/en not_active Expired - Lifetime
- 1991-10-11 AT AT91117411T patent/ATE134543T1/en not_active IP Right Cessation
- 1991-10-11 EP EP91117411A patent/EP0481380B1/en not_active Expired - Lifetime
- 1991-10-16 CN CN91109722A patent/CN1046876C/en not_active Expired - Fee Related
- 1991-10-17 JP JP29668691A patent/JP3276381B2/en not_active Expired - Fee Related
-
1997
- 1997-02-03 CN CN97102416A patent/CN1066365C/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2553921A (en) * | 1949-04-12 | 1951-05-22 | Jordan James Fernando | Continuous casting apparatus |
DE2060451A1 (en) * | 1969-12-15 | 1971-07-22 | Outokumpu Oy | A continuous process for the vertical upward casting of bars, plates, tubes and the like. |
US3746077A (en) * | 1970-05-19 | 1973-07-17 | Outokumpu Oy | Apparatus for upward casting |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109290534A (en) * | 2018-11-21 | 2019-02-01 | 邹志琼 | Crystallizer is used in a kind of manufacture of copper rod |
CN109290534B (en) * | 2018-11-21 | 2020-08-04 | 徐州诚凯知识产权服务有限公司 | Crystallizer for manufacturing copper bars |
Also Published As
Publication number | Publication date |
---|---|
CN1166392A (en) | 1997-12-03 |
EP0481380B1 (en) | 1996-02-28 |
EP0481380A1 (en) | 1992-04-22 |
CN1046876C (en) | 1999-12-01 |
ES2084749T3 (en) | 1996-05-16 |
DE69117422D1 (en) | 1996-04-04 |
ATE134543T1 (en) | 1996-03-15 |
JPH04262836A (en) | 1992-09-18 |
FI905102A (en) | 1992-04-18 |
DE69117422T2 (en) | 1996-08-08 |
FI905102A0 (en) | 1990-10-17 |
FI87894C (en) | 1993-03-10 |
JP3276381B2 (en) | 2002-04-22 |
FI87894B (en) | 1992-11-30 |
CN1060802A (en) | 1992-05-06 |
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Legal Events
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C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |