CN103743235B - A kind of centreless air pressure insulated pouring stove - Google Patents
A kind of centreless air pressure insulated pouring stove Download PDFInfo
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- CN103743235B CN103743235B CN201310751096.0A CN201310751096A CN103743235B CN 103743235 B CN103743235 B CN 103743235B CN 201310751096 A CN201310751096 A CN 201310751096A CN 103743235 B CN103743235 B CN 103743235B
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- air pressure
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Abstract
The present invention relates to a kind of centreless air pressure insulated pouring stove, its structure comprises crucible, furnace lining, coil, box hat and sealing bell, and crucible is placed in furnace lining inside, and the left and right sides of furnace lining is respectively feed launder and discharging chute; Form siphon pipe between crucible and furnace lining, coil encircling is in the outside of furnace lining, and box hat is arranged on the outside of coil, is also provided with gas feed above the side of crucible.The present invention not only has homogeneous heating, ensure that charging aperture, discharging opening are consistent with the temperature in crucible; But also there is minimizing slag, make molten iron remain at fluid state; And there is the ability delaying magnesium iron, compacted iron decaying spheroidisation; The present invention also have structure simple, be easy to manufacture, the advantage of energy-conserving and environment-protective and practicality and high efficiency.
Description
Technical field
The present invention relates to a kind of pouring furnace, particularly a kind of centreless air pressure insulated pouring stove.
Technical background
In Foundry Production industry, due to the difference of scale and level, be applied to the pouring type of the moulding line of sandbox, casting equipment, its version and development have very large imbalance.
Pouring furnace of the prior art has generally adopted core to heat, coil is arranged on the bottom of stove, magnetic field is produced by making coil to coil electricity, be placed in the iron core in magnetic field can constantly heat up under the effect of inducing eddy-current, by iron core, heat is passed to furnace lining from bottom to top, thus complete the heating to material; Apply this kind of mode heat also exist heating uneven, the problems such as heat utilization ratio is low, so design a kind of centreless air pressure insulated pouring stove just seem particularly important.
No. CN201677020Uth, Chinese utility model patent discloses a kind of mixed magnesium, its structure comprises furnace shell, insulation material is lined with at described furnace shell inwall, insulation material dividing plate melts installing zone and crucible heat insulation installing zone by being separated into crucible in furnace shell, the bottom, the top that are positioned at the sidewall of crucible thawing installing zone have burner installing hole, exhaust smoke hole and the first thermocouple jack, and the sidewall being positioned at crucible heat insulation installing zone has discharging opening, the second thermocouple jack, heating rod hole successively; A crucible is suspended in furnace shell, and crucible comprises crucible body, is connected with dividing plate to form melt zone and heat preservation zone in crucible body in crucible body; Crucible body bottom wall supports, on insulation material dividing plate, crucible cover has charging hole, thermocouple jack, protection gas hand-hole and hole except cinder hole, level probe jack and dnockout pump installing hole.It is uneven that this pouring furnace designed also exists heating, and the thermal efficiency is low, can not meet modernization industry need of production.
Summary of the invention
The technical issues that need to address of the present invention guarantee that import and export are consistent with the temperature in crucible by centreless heating, thus improve the utilization rate of heat and reduce the formation of slag; A kind of centreless air pressure insulated pouring stove is provided.
For solving above-mentioned technical problem, structure of the present invention comprises crucible, furnace lining, coil, box hat and sealing bell, and crucible is placed in furnace lining inside, and the left and right sides of furnace lining is respectively feed launder and discharging chute; Form siphon pipe between crucible and furnace lining, coil encircling is in the outside of furnace lining, and box hat is arranged on the outside of coil, is also provided with gas feed above the side of crucible.
Further: described discharging chute place is also provided with stopper rod, and stopper rod is connected with servomotor.
Further again: more described coil forms by organizing single independent, interchangeable coil segment bridge joint, and each coil segment is connected with independently cooling system.
Further again: described coil is oval induction coil, oval induction coil be coated with insulator, be provided with stainless steel casing isolation layer outside insulator, feed launder and discharging chute are enclosed in inside by coil.
After adopting said structure, the present invention not only has homogeneous heating, ensure that charging aperture, discharging opening are consistent with the temperature in crucible; But also there is minimizing slag, make molten iron remain at fluid state; And there is the ability delaying magnesium iron, compacted iron decaying spheroidisation; The present invention also have structure simple, be easy to manufacture, the advantage of energy-conserving and environment-protective and practicality and high efficiency.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of the horizontal cross-section of Fig. 1.
In figure: 2 is crucible, 3 is furnace lining, and 4 is siphon pipe, and 5 is coil, and 6 is sealing bell, and 7 is gas feed, and 8 is feed launder, and 9 is discharging chute, and 11 is stopper rod, and 12 is liquid level monitoring probe, and 13 is box hat
Detailed description of the invention
A centreless air pressure insulated pouring stove as depicted in figs. 1 and 2, its structure comprises crucible 2, furnace lining 3, coil 5, box hat 13 and sealing bell 6, and it is inner that crucible 2 is placed in furnace lining 3, and the left and right sides of furnace lining 3 is respectively feed launder 8 and discharging chute 9; Form siphon pipe 4 between crucible 2 and furnace lining 3, coil 5 is looped around the outside of furnace lining 3, and box hat 13 is arranged on the outside of coil 5, is also provided with gas feed 7 above the side of crucible 2.Coil 5 is made to produce magnetic field by passing into electric current to coil 5 during work, be placed in the metal in magnetic field can constantly heat up under the effect of inducing eddy-current, in crucible 2, pass into gas-pressurized by gas feed 7 simultaneously, the metal molten iron of intensification (insulation) is flowed in the cup of casting mold from discharging chute 9 by siphonage under the effect of gas-pressurized, thus completes cast.The present invention adopts centreless to heat, and coil 5 is directly looped around the outside of furnace lining 3, utilizes coil 5 to heat with the metal molten iron in feed launder 8 and discharging chute 9 directly in furnace lining 3, metal molten iron is heated more even, improves the utilization rate of heat.
Gas feed 7 is also provided with above the side of crucible 2 as shown in Figure 1.The present invention, by passing into gas-pressurized from gas feed 7 in crucible 2, makes the metal molten iron in crucible 2 flow out from discharging chute 9 under the effect of gas-pressurized.The present invention passes into by giving in crucible 2 rate of outflow that gas-pressurized accelerates molten iron, and by the pressure in burner hearth, 95% molten iron in stove can be unstowed.When fill in crucible 2 be gray iron time the gas of pressurization that passes into be compressed air, when filling crucible 2 in be magnesium iron and compacted iron time pass into nitrogen, by nitrogen, magnesium iron and compacted iron are protected, thus delay the decline of nodularization.In crucible 2, the top of molten iron level is provided with liquid level monitoring probe 12, the liquid level of molten iron in crucible 2 is detected by liquid level monitoring probe 12, thus control the pressure passing into gas-pressurized in crucible 2, molten iron is poured into a mould with constant speed, improves cast efficiency and casting quality.
Discharging chute place as shown in Figure 1 is also provided with stopper rod 11, and stopper rod 11 is connected with servomotor.The present invention carries out lift adjustment by servomotor to stopper rod 11, thus to the poring rate of molten iron with water fluence and regulate.Molten iron level in pouring basin is by laser detection and keep the iron water amount required for constant liquid level and casting mold to adapt by control pressurer system.Device in the present invention whole in conputer controlled, it can be programmed in advance to arrange and pour into a mould curve accurately, every type casting mold molten iron waters fluence, residue iron water amount and other diagnostic functions in stove, to reach the Automatic Control to pouring furnace, also can control to be connected with computer with temperature by breeding system simultaneously, thus reach function full automatic.
Coil 5 is as shown in Figure 1 formed by ten groups of single independent, interchangeable coil segment bridge joints, and each coil segment is connected with independently cooling system.Described coil 5 is oval induction coils, oval induction coil be coated with insulator, be provided with stainless steel casing isolation layer outside insulator, feed launder 8 and discharging chute 9 are enclosed in inside by coil 5.When the coil segment of in coil 2 goes wrong, we directly can walk around this bad coil segment, receive next coil segment and continue to use, and each coil segment is all furnished with the Visible human plan on respective independently cooling system, temperature control and display screen simultaneously.Coil 5 of the present invention is oval induction coils, and its function whole feed launder and discharging chute all can be enclosed in the maximum afflux point of coil magnetic field.This design can not only guarantee that feed launder 8, discharging chute 9 are consistent with the temperature in crucible 2; And the effect reducing slag and formed can be played, make molten iron remain at fluid state; And the temperature difference in casting mold and stove can be controlled at 10 DEG C or 50 below ℉.
Although the foregoing describe the specific embodiment of the present invention; but those skilled in the art are to be understood that; these only illustrate; various changes or modifications can be made to present embodiment; and not deviating from principle of the present invention and essence, protection scope of the present invention is only defined by the appended claims.
Claims (4)
1. a centreless air pressure insulated pouring stove, its structure comprises crucible (2), furnace lining (3), coil (5), box hat (13) and sealing bell (6), it is inner that crucible (2) is placed in furnace lining (3), and the left and right sides of furnace lining (3) is respectively feed launder (8) and discharging chute (9); It is characterized in that: form siphon pipe (4) between crucible (2) and furnace lining (3), coil (5) is looped around the outside of furnace lining (3), and box hat (13) is arranged on the outside of coil (5), is also provided with gas feed (7) above the side of crucible (2).
2. a kind of centreless air pressure insulated pouring stove according to claim 1, is characterized in that: described discharging chute (9) place is also provided with stopper rod (11), and stopper rod (11) is connected with servomotor.
3. a kind of centreless air pressure insulated pouring stove according to claim 1, is characterized in that: more described coil (5) forms by organizing single independent, interchangeable coil segment bridge joint, and each coil segment is connected with independently cooling system.
4. a kind of centreless air pressure insulated pouring stove according to claim 1 or 3, it is characterized in that: described coil (5) is oval induction coil, oval induction coil be coated with insulator, be provided with stainless steel casing isolation layer outside insulator, feed launder (8) and discharging chute (9) are enclosed in inside by coil (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751096.0A CN103743235B (en) | 2013-12-31 | 2013-12-31 | A kind of centreless air pressure insulated pouring stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310751096.0A CN103743235B (en) | 2013-12-31 | 2013-12-31 | A kind of centreless air pressure insulated pouring stove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103743235A CN103743235A (en) | 2014-04-23 |
| CN103743235B true CN103743235B (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310751096.0A Expired - Fee Related CN103743235B (en) | 2013-12-31 | 2013-12-31 | A kind of centreless air pressure insulated pouring stove |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104060052A (en) * | 2014-07-08 | 2014-09-24 | 苏州振吴电炉有限公司 | Automatic air-pressure pouring electric furnace with induction vacuum refining-degassing function |
| CN105344971A (en) * | 2015-11-17 | 2016-02-24 | 上海新研工业设备有限公司 | Casting machine |
| CN111992703A (en) * | 2020-08-24 | 2020-11-27 | 安徽合力股份有限公司合肥铸锻厂 | Perpendicular molding line is molten iron rotary ladle for casting machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4690385A (en) * | 1985-03-05 | 1987-09-01 | Kloeckner-Humboldt-Deutz Ag | Method for storing and maintaining the temperature of molten metal |
| CN2767938Y (en) * | 2004-12-30 | 2006-03-29 | 长安汽车（集团）有限责任公司 | Magnesium alloy smelting thermal insulation furnace |
| CN101504249A (en) * | 2009-02-18 | 2009-08-12 | 中国科学院金属研究所嘉兴工程中心 | Multifunctional vacuum-positive pressure smelting solidification equipment |
| CN101706205A (en) * | 2009-11-24 | 2010-05-12 | 苏州有色金属研究院有限公司 | Pressure-flow-type magnesium alloy smelting heat insulating furnace |
| CN203049009U (en) * | 2013-02-06 | 2013-07-10 | 长沙有色冶金设计研究院有限公司 | Lead flash smelting furnace |
| CN203731855U (en) * | 2013-12-31 | 2014-07-23 | 常州市卓信机电设备制造有限公司 | Coreless gas-pressure thermal insulating pouring furnace |
-
2013
- 2013-12-31 CN CN201310751096.0A patent/CN103743235B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4690385A (en) * | 1985-03-05 | 1987-09-01 | Kloeckner-Humboldt-Deutz Ag | Method for storing and maintaining the temperature of molten metal |
| CN2767938Y (en) * | 2004-12-30 | 2006-03-29 | 长安汽车（集团）有限责任公司 | Magnesium alloy smelting thermal insulation furnace |
| CN101504249A (en) * | 2009-02-18 | 2009-08-12 | 中国科学院金属研究所嘉兴工程中心 | Multifunctional vacuum-positive pressure smelting solidification equipment |
| CN101706205A (en) * | 2009-11-24 | 2010-05-12 | 苏州有色金属研究院有限公司 | Pressure-flow-type magnesium alloy smelting heat insulating furnace |
| CN203049009U (en) * | 2013-02-06 | 2013-07-10 | 长沙有色冶金设计研究院有限公司 | Lead flash smelting furnace |
| CN203731855U (en) * | 2013-12-31 | 2014-07-23 | 常州市卓信机电设备制造有限公司 | Coreless gas-pressure thermal insulating pouring furnace |
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| CN103743235A (en) | 2014-04-23 |
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