CN107999720A - A kind of knotting formula holding furnace for being used to continuously prepare aluminium alloy semi-solid slurry - Google Patents
A kind of knotting formula holding furnace for being used to continuously prepare aluminium alloy semi-solid slurry Download PDFInfo
- Publication number
- CN107999720A CN107999720A CN201610946054.6A CN201610946054A CN107999720A CN 107999720 A CN107999720 A CN 107999720A CN 201610946054 A CN201610946054 A CN 201610946054A CN 107999720 A CN107999720 A CN 107999720A
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- China
- Prior art keywords
- burner hearth
- solid slurry
- aluminium alloy
- continuously prepare
- furnace
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- 239000002002 slurry Substances 0.000 title claims abstract description 35
- 239000007787 solid Substances 0.000 title claims abstract description 29
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000004537 pulping Methods 0.000 claims abstract description 23
- 239000004411 aluminium Substances 0.000 claims abstract description 22
- 230000005855 radiation Effects 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 39
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000011084 recovery Methods 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002893 slag Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000012774 insulation material Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000010099 solid forming Methods 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/007—Semi-solid pressure die casting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The present invention provides a kind of knotting formula holding furnace for being used to continuously prepare aluminium alloy semi-solid slurry, including furnace body, burner hearth and heater, the burner hearth and heater are located at furnace interior, the heater is arranged on roof of the furnace, the burner hearth bottom is equipped with pulping tank, the heater heats the aluminium water in burner hearth by heat radiation, the temperature of aluminium water in burner hearth is formed the temperature gradient gradually reduced at the aluminium depth of water from aluminium water level, and generate semi-solid slurry in pulping tank.The present invention is used to continuously prepare semi solid slurry, and the oxide slag inclusion in its slurry is less, can further improve the inherent quality of casting.The pulping tank of furnace interior is big using depth, and aluminium water use efficiency may be up to more than 80%, and addition aluminium water, the convenient and slurry on having prepared of skimming are influenced little therefore do not affected the normal production.
Description
Technical field
The invention belongs to light-alloy semi-solid forming technical field.
Background technology
Semi solid slurry is to carry out strong stirring in metal solidification process to make its dendrite fragmentation, obtains a kind of even suspension
The solid-liquid mixed slurry of some almost spherical solid phase particles.Its good fluidity, available for high-pressure casting, extrusion casint.Filling
When gas be not easy to be involved in, its forming temperature is low, and die life length, deformation drag is small, and production efficiency is high；High-pressure during shaping
The metal that has solidified is set to produce plastic deformation, it is not solidified to continue solidification under high pressure thus product shrinkage cavity shrinkage porosity is few, tissue causes
Close, mechanical performance is higher than common casting close to forging, thermally processable, high without riser feeding, rate of metal.It is adapted to
It is thin, heavy section casting to produce the shaping for also being adapted for the wider any alloy material in various crystallization temperature intervals.
Although the casting produced with semi-solid forming technology has many good qualities, the preparation method of slurry is also very much,
The continuous of inexpensive high-quality pulp is prepared, preserved, conveying always problem, seriously restricts the popularization and application of the technology.It is existing
The holding furnace for being used for semi solid slurry and preparing, temperature, which cannot control, locates predetermined gradient, and using effect is bad, causes semisolid
The solid phase ratio of slurry is unstable, the final quality for influencing casting.
The content of the invention
The present invention is in order to solve the above technical problems, provide a kind of knotting for being used to continuously prepare aluminium alloy semi-solid slurry
Formula holding furnace, including furnace body, burner hearth and heater, the burner hearth and heater are located at furnace interior, and the heater is arranged on
Roof of the furnace, the burner hearth bottom are equipped with pulping tank, and the heater heats the aluminium water in burner hearth by heat radiation, makes
The temperature of aluminium water forms the temperature gradient gradually reduced at the aluminium depth of water from aluminium water level, and generation half in pulping tank in burner hearth
Slurry of solids.
Further, the slurrying trench bottom is equipped with cooling device.
Further, the cooling device includes thermoresistance layer and cooling ring, and the thermoresistance layer is arranged on pulping tank and cooling ring
Between, its top surface is bonded with slurrying trench bottom, its bottom surface is bonded with cooling ring.
Further, the bottom of furnace body is equipped with adjusting screw rod, and the adjusting screw rod is vertically set, and passes through screw rod baffle ring
It is connected with cooling ring bottom, the thermoresistance layer forms for the heat of variable volume；Adjusting screw rod is screwed in respect to furnace interior direction
Until promoting cooling ring to move up, cooling ring is set to extrude thermoresistance layer, so as to cause the compression of thermoresistance layer；Spiral shell will be adjusted
Bar is screwed out with respect to furnace body outside direction until driving cooling ring to move down, cooling ring gradually eliminates the pressure of thermoresistance layer, institute
State thermoresistance layer and gradually recover original form.
Further, the bottom of furnace body is equipped with cold dish stent, which is provided with threaded hole, and the adjusting screw rod leads to
The threaded hole is crossed to install with cold dish support assorted.
Further, the cooling ring carries out heat conduction by way of water cooling, air-cooled or oil cooling.
Further, the thermoresistance layer is alumina silicate fibre.
Further, the pulping tank is circular trough, is highly 10-50 centimetres, a diameter of 10-100 centimetres.
Further, the roof of the furnace is equipped with discharge port, and burner hearth side is equipped with feed inlet, and the side wall of the burner hearth side
It is centroclinal that burner hearth is increasingly towards from top to bottom.
Further, the heating element of the heater is Elema.
Further, the internal layer insulating layer and outer layer insulating layer of parcel burner hearth are equipped with the furnace body successively from inside to outside.
The present invention is used to continuously prepare semi solid slurry, and the oxide slag inclusion in its slurry is less, can further improve casting
Inherent quality.The pulping tank of furnace interior is big using depth, and aluminium water use efficiency may be up to more than 80%, and addition aluminium water, skim
The convenient and slurry on having prepared is influenced little therefore not affected the normal production.
Brief description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the structure diagram for being used to continuously prepare the knotting formula holding furnace of aluminium alloy semi-solid slurry of the present invention.
Embodiment
Referring to Fig. 1, it is to be used to continuously prepare aluminium alloy semi-solid slurry as one kind of highly preferred embodiment of the present invention
Knotting formula holding furnace, including furnace body 1, burner hearth 12 and heater 2, the heating element of the heater 2 is Elema.In furnace body 1
It is located at equipped with burner hearth 12 and heater 2 inside furnace body 1, heater 2 is arranged on the top of burner hearth 12, and 12 bottom of burner hearth is equipped with pulping tank
5, heater 2 heats the aluminium water 14 in burner hearth 12 by heat radiation, the temperature of aluminium water in burner hearth 12 is formed from aluminium water
The temperature gradient that liquid level is gradually reduced at the aluminium depth of water, and semi-solid slurry is generated in pulping tank 5.In furnace body from inside to outside according to
Secondary to be equipped with the internal layer insulating layer 3 and outer layer insulating layer for wrapping up burner hearth 12, the thermal insulation material used in insulating layer can use on the market
The thermal insulation material of common thermal insulation material such as fiber-like or metal class etc..5 bottom of pulping tank is equipped with cooling device, including thermal resistance
Layer 6 and cooling ring 9, thermoresistance layer 6 are compressible material, can use alumina silicate fibre.Thermoresistance layer 6 is arranged on pulping tank 5 and cooling ring 9
Between, its top surface is bonded with 5 bottom of pulping tank, its bottom surface is bonded with cooling ring 9.1 bottom of furnace body is equipped with adjusting screw rod 8, adjusts
Screw rod 8 is vertically set, and is connected by screw rod baffle ring 7 with 9 bottom of cooling ring, and thermoresistance layer 6 is the thermoresistance layer 6 of variable volume.
Adjusting screw rod 8 is screwed in respect to furnace body 1 internal direction until promote cooling ring 9 to move up, make cooling ring 9 to thermoresistance layer 6 into
Row extruding, so as to cause the compression of thermoresistance layer 6.Adjusting screw rod 8 is screwed out until driving cooling ring 9 with respect to 1 outside direction of furnace body
Move down, cooling ring 9 gradually eliminates the pressure of thermoresistance layer 6, and thermoresistance layer 6 gradually recovers original form.In this way
The adjusting of thermoresistance layer 6 heat conduction (heat-insulated) ability of can be achieved, so that the temperature environment inside pulping tank 5 is adjusted, so as to adjust slurrying
The solid rate of semi solid slurry in groove 5.1 bottom of furnace body is equipped with cold dish stent 10, which is equipped with threaded hole, adjusts spiral shell
Bar 8 is coordinated by the threaded hole and cold dish stent 10 to be installed.Cooling ring 9 carries out heat conduction by way of water cooling, air-cooled or oil cooling.
Pulping tank 5 is circular trough, is highly 10-50 centimetres, a diameter of 10-100 centimetres.The top of burner hearth 12 is equipped with discharge port 13, burner hearth
12 sides are equipped with feed inlet 11 (can feed or skim), and the side wall of 12 side of burner hearth is increasingly towards in burner hearth 12 from top to bottom
The heart tilts.The molten aluminum that molten aluminum so on pulping tank 5 either newly adds would not influence to have been formed in pulping tank 5 or
The semi solid slurry formed, ensures that made stock quality is stablized.1 bottom of furnace body is equipped with walking machine wheel, convenient to move
It is dynamic.
In conclusion the present invention is used to continuously prepare semi solid slurry, the oxidation under inert gas shielding in its slurry
Slag inclusion is less, can further improve the inherent quality of casting.The pulping tank of furnace interior is big using depth, and aluminium water use efficiency can be high
Up to more than 80%, addition aluminium water, the convenient and slurry on having prepared of skimming are influenced little therefore not affected the normal production.Pulping tank
Lower part is equipped with thermoresistance layer can move up and down the needs adjusted preferably to adapt to various solid rates by cooling ring.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements and from aforesaid way
Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or without changing
Other occasions are directly applied into by the design of the present invention and technical solution, within protection scope of the present invention.
Claims (10)
1. a kind of knotting formula holding furnace for being used to continuously prepare aluminium alloy semi-solid slurry, including furnace body, burner hearth and heater, institute
State burner hearth and heater is located at furnace interior, it is characterised in that the heater is arranged on roof of the furnace, and the burner hearth bottom is set
Have pulping tank, the heater heats the aluminium water in burner hearth by heat radiation, make aluminium water in burner hearth temperature formed from
The temperature gradient that aluminium water level is gradually reduced at the aluminium depth of water, and semi-solid slurry is generated in pulping tank.
2. the knotting formula holding furnace according to claim 1 for being used to continuously prepare aluminium alloy semi-solid slurry, its feature exist
In the slurrying trench bottom is equipped with cooling device.
3. the knotting formula holding furnace according to claim 2 for being used to continuously prepare aluminium alloy semi-solid slurry, its feature exist
In the cooling device includes thermoresistance layer and cooling ring, and the thermoresistance layer is arranged between pulping tank and cooling ring, its top surface and system
Stock tank bottom is bonded, its bottom surface is bonded with cooling ring.
4. the knotting formula holding furnace according to claim 3 for being used to continuously prepare aluminium alloy semi-solid slurry, its feature exist
In the bottom of furnace body is equipped with adjusting screw rod, and the adjusting screw rod is vertically set, and is connected by screw rod baffle ring and cooling ring bottom
Connect, the thermoresistance layer forms for the heat of variable volume；Adjusting screw rod is screwed in until promoting cooling ring with respect to furnace interior direction
Move up, cooling ring is extruded thermoresistance layer, so as to cause the compression of thermoresistance layer；By adjusting screw rod with respect to outside furnace body
Direction is screwed out until driving cooling ring to move down, cooling ring gradually eliminates the pressure of thermoresistance layer, and the thermoresistance layer is gradually extensive
Recovery has form.
5. the knotting formula holding furnace according to claim 4 for being used to continuously prepare aluminium alloy semi-solid slurry, its feature exist
Be equipped with cold dish stent in, the bottom of furnace body, which is provided with threaded hole, the adjusting screw rod by the threaded hole with it is cold
Disc carrier coordinates installation.
6. the knotting formula holding furnace for being used to continuously prepare aluminium alloy semi-solid slurry according to claim 2 to 5 is any, its
It is characterized in that, the cooling ring carries out heat conduction by way of water cooling, air-cooled or oil cooling.
7. the knotting formula holding furnace for being used to continuously prepare aluminium alloy semi-solid slurry according to claim 2 to 5 is any, its
It is characterized in that, the thermoresistance layer is alumina silicate fibre.
8. the knotting formula holding furnace according to any one of claims 1 to 5 for being used to continuously prepare aluminium alloy semi-solid slurry, its
It is characterized in that, the pulping tank is circular trough, is highly 10-50 centimetres, a diameter of 10-100 centimetres.
9. according to any knotting formula holding furnace for being used to continuously prepare aluminium alloy semi-solid slurry of claim 8, it is special
Sign is, the roof of the furnace is equipped with discharge port, and burner hearth side is equipped with feed inlet, and the side wall of the burner hearth side from top to bottom by
It is gradually centroclinal towards burner hearth.
10. the knotting formula holding furnace according to any one of claims 1 to 5 for being used to continuously prepare aluminium alloy semi-solid slurry,
It is characterized in that, the heating element of the heater is Elema.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946054.6A CN107999720A (en) | 2016-11-02 | 2016-11-02 | A kind of knotting formula holding furnace for being used to continuously prepare aluminium alloy semi-solid slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610946054.6A CN107999720A (en) | 2016-11-02 | 2016-11-02 | A kind of knotting formula holding furnace for being used to continuously prepare aluminium alloy semi-solid slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107999720A true CN107999720A (en) | 2018-05-08 |
Family
ID=62047303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610946054.6A Pending CN107999720A (en) | 2016-11-02 | 2016-11-02 | A kind of knotting formula holding furnace for being used to continuously prepare aluminium alloy semi-solid slurry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107999720A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870964A (en) * | 2018-07-12 | 2018-11-23 | 佛山市高捷工业炉有限公司 | A kind of electromagnetic induction holding furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998036860A1 (en) * | 1997-02-19 | 1998-08-27 | Gut Giesserei Umwelt Technik Gmbh | Method and device for producing bodies on a metallic basis in a semi-solid state |
| JP2005262236A (en) * | 2004-03-16 | 2005-09-29 | Seikoo Idea Center Kk | Apparatus for producing metallic slurry and apparatus for producing cast block |
| JP2014237172A (en) * | 2013-05-09 | 2014-12-18 | 東芝機械株式会社 | Manufacturing apparatus of solid-liquid coexistent state metal, manufacturing method of solid-liquid coexistent state metal, and molding method using solid-liquid coexistent state metal |
| CN105705682A (en) * | 2013-11-07 | 2016-06-22 | 艾伯纳工业筑炉有限公司 | Controlling a temperature of a crucible inside an oven |
| CN206153527U (en) * | 2016-11-02 | 2017-05-10 | 福建省瑞奥麦特轻金属有限责任公司 | A formula of knoing heat preservation stove that is used for preparing in succession half solid -state thick liquids of aluminum alloy |
-
2016
- 2016-11-02 CN CN201610946054.6A patent/CN107999720A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998036860A1 (en) * | 1997-02-19 | 1998-08-27 | Gut Giesserei Umwelt Technik Gmbh | Method and device for producing bodies on a metallic basis in a semi-solid state |
| JP2005262236A (en) * | 2004-03-16 | 2005-09-29 | Seikoo Idea Center Kk | Apparatus for producing metallic slurry and apparatus for producing cast block |
| JP2014237172A (en) * | 2013-05-09 | 2014-12-18 | 東芝機械株式会社 | Manufacturing apparatus of solid-liquid coexistent state metal, manufacturing method of solid-liquid coexistent state metal, and molding method using solid-liquid coexistent state metal |
| CN105705682A (en) * | 2013-11-07 | 2016-06-22 | 艾伯纳工业筑炉有限公司 | Controlling a temperature of a crucible inside an oven |
| CN206153527U (en) * | 2016-11-02 | 2017-05-10 | 福建省瑞奥麦特轻金属有限责任公司 | A formula of knoing heat preservation stove that is used for preparing in succession half solid -state thick liquids of aluminum alloy |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108870964A (en) * | 2018-07-12 | 2018-11-23 | 佛山市高捷工业炉有限公司 | A kind of electromagnetic induction holding furnace |
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