CN203731855U - Coreless gas-pressure thermal insulating pouring furnace - Google Patents
Coreless gas-pressure thermal insulating pouring furnace Download PDFInfo
- Publication number
- CN203731855U CN203731855U CN201320889689.9U CN201320889689U CN203731855U CN 203731855 U CN203731855 U CN 203731855U CN 201320889689 U CN201320889689 U CN 201320889689U CN 203731855 U CN203731855 U CN 203731855U
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- coil
- furnace
- crucible
- gas
- coreless
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Abstract
The utility model relates to a coreless gas-pressure thermal insulating pouring furnace. The structure of the coreless gas-pressure thermal insulating pouring furnace comprises a crucible, a furnace liner, a coil, a steel shell and a sealing furnace cover; the crucible is arranged inside the furnace liner, and a feeding runner and a discharging runner are arranged at the left and right sides of the furnace liner; a siphon is formed between the crucible and the furnace liner, the coil surrounds the furnace liner, the steel shell is mounted at the outer side of the coil, and a gas inlet is further formed slantwise above the furnace. The coreless gas-pressure thermal insulating pouring furnace is even in heating, and ensures that the temperatures of a feeding hole and a discharge hole are consistent with the temperature in the crucible; the coreless gas-pressure thermal insulating pouring furnace is also capable of reducing slag and keeps liquid iron always in a fluid state, and also has the capability of retarding degraded spheroidization of ductile cast iron and vermicular graphite cast iron; the coreless gas-pressure thermal insulating pouring furnace further has the advantages of simple structure, easy manufacturing, energy conservation and environmental protection, good practicability and high efficiency.
Description
Technical field
The utility model relates to a kind of pouring furnace, particularly a kind of centreless air pressure insulated pouring stove.
Background technology
In Foundry Production industry, due to the difference of scale and level, be applied to pouring type, the casting equipment of the moulding line of sandbox, its version and development have very large imbalance.
The general employing of pouring furnace of the prior art has core heating, coil is arranged on the bottom of stove, by make coil produce magnetic field to coil electricity, the iron core being placed 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, thereby complete the heating to material; Apply this kind of mode and heat that to exist heating inhomogeneous, the problem such as heat utilization ratio is low, just seems particularly important so design a kind of centreless air pressure insulated pouring stove.
Chinese utility model patent discloses a kind of mixed magnesium No. CN201677020U, its structure comprises furnace shell, be lined with insulation material 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 that is 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 diapire is supported on insulation material dividing plate, has charging hole, thermocouple jack, protection gas hand-hole and hole except cinder hole, level probe jack and dnockout pump installing hole on crucible cover.The pouring furnace of this design exists that heating is inhomogeneous, and the thermal efficiency is low, can not meet modernization industry need of production.
Summary of the invention
The utility model technical issues that need to address are to be heated and guaranteed that import and export are consistent with the temperature in crucible by centreless, thereby improve the utilization rate of heat and the formation of minimizing slag; A kind of centreless air pressure insulated pouring stove is provided.
For solving above-mentioned technical problem, structure of the present utility model 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; Between crucible and furnace lining, form siphon pipe, coil encircling is in the outside of furnace lining, and box hat is arranged on the outside of coil, and the side top of crucible is also provided with gas feed.
Further: described discharging chute place is also provided with stopper rod, and stopper rod is connected with servomotor.
Further again: described coil is to form by organizing single independent, interchangeable coil segment bridge joint more, 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, insulator is provided with stainless steel casing isolation layer outward, feed launder and discharging chute are enclosed in inside by coil.
Adopt after said structure, the utility model not only has homogeneous heating, has guaranteed that the temperature in charging aperture, discharging opening and crucible is consistent; But also there is minimizing slag, make molten iron remain at fluid state; And there is the ability that delays magnesium iron, wriggles iron decaying spheroidisation; That the utility model also has advantages of is simple in structure, be easy to manufacture, energy-conserving and environment-protective and practicality and high efficiency.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
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 crucible 2 is placed in furnace lining 3 inside, and the left and right sides of furnace lining 3 is respectively feed launder 8 and discharging chute 9; Between crucible 2 and furnace lining 3, form siphon pipe 4, coil 5 is looped around the outside of furnace lining 3, and box hat 13 is arranged on the outside of coil 5, and the side top of crucible 2 is also provided with gas feed 7.When work, make coil 5 produce magnetic field by passing into electric current to coil 5, the metal being placed 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, thereby complete cast.The utility model adopts centreless heating, coil 5 is directly looped around to the outside of furnace lining 3, utilizes coil 5 directly to the metal molten iron heating in furnace lining 3 and in feed launder 8 and discharging chute 9, metal molten iron is heated more even, has improved the utilization rate of heat.
The side top of crucible 2 as shown in Figure 1 is also provided with gas feed 7.The utility model, by passing into gas-pressurized from gas feed 7 in crucible 2, flows out the metal molten iron in crucible 2 under the effect of gas-pressurized from discharging chute 9.The utility model passes into gas-pressurized in crucible 2 and accelerates the rate of outflow of molten iron by giving, and by the pressure in burner hearth, 95% molten iron in stove can be unstowed.When crucible 2 interior fillings be gray iron time the pressurization that passes into gas be compressed air, when being magnesium iron and passing into nitrogen while wriggling iron of crucible 2 interior fillings, by nitrogen to magnesium iron and the iron protection of wriggling, thereby delay the decline of nodularization.The top of crucible 2 interior molten iron levels is provided with liquid level monitoring probe 12, detect the liquid level of crucible 2 interior molten iron by liquid level monitoring probe 12, thereby control the pressure that passes into crucible 2 interior gas-pressurizeds, molten iron is poured into a mould with constant speed, improved 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 utility model carries out lift adjustment by servomotor to stopper rod 11, thereby to the poring rate of molten iron with water fluence and regulate.Molten iron level in pouring basin keeps constant liquid level and the needed iron water amount of casting mold to adapt by laser detection and by control pressurer system.Device in the utility model whole in computer control, it can be programmed in advance accurate cast curve is set, 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 be connected with computer with temperature control breeding system, thereby reach function full automatic simultaneously.
Coil 5 is as shown in Figure 1 to be 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, insulator is provided with stainless steel casing isolation layer outward, feed launder 8 and discharging chute 9 are enclosed in inside by coil 5.When a coil segment in coil 2 goes wrong, we can directly walk around this bad coil segment, receive next coil segment and continue to use, and each coil segment is all furnished with separately the visual control on independently cooling system, temperature control and display screen simultaneously.The coil 5 that the utility model adopts is oval induction coils, and its function is whole feed launder and discharging chute all can be enclosed in the afflux point of coil magnetic field maximum.This design not only can guarantee that the temperature in feed launder 8, discharging chute 9 and crucible 2 is consistent; And can play and reduce the effect that slag forms, make molten iron remain at fluid state; And the temperature difference in casting mold and stove can be controlled to 10 DEG C or below 50 ℉.
Although more than described detailed description of the invention of the present utility model; but those skilled in the art are to be understood that; these only illustrate; can make various changes or modifications to present embodiment; and not deviating from principle of the present utility model and essence, protection domain of the present utility model is only limited by 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), crucible (2) is placed in furnace lining (3) inside, and the left and right sides of furnace lining (3) is respectively feed launder (8) and discharging chute (9); It is characterized in that: between crucible (2) and furnace lining (3), form siphon pipe (4), coil (5) is looped around the outside of furnace lining (3), and box hat (13) is arranged on the outside of coil (5), the side top of crucible (2) is also provided with gas feed (7).
2. a kind of centreless air pressure insulated pouring stove according to claim 1, is characterized in that: described discharging chute (9) locates to be 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: described coil (5) is to form by organizing single independent, interchangeable coil segment bridge joint more, and each coil segment is connected with independently cooling system.
4. according to a kind of centreless air pressure insulated pouring stove described in claim 1 or 3, it is characterized in that: described coil (5) is oval induction coil, oval induction coil be coated with insulator, insulator is provided with stainless steel casing isolation layer outward, and feed launder (8) and discharging chute (9) are enclosed in inside by coil (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889689.9U CN203731855U (en) | 2013-12-31 | 2013-12-31 | Coreless gas-pressure thermal insulating pouring furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889689.9U CN203731855U (en) | 2013-12-31 | 2013-12-31 | Coreless gas-pressure thermal insulating pouring furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203731855U true CN203731855U (en) | 2014-07-23 |
Family
ID=51201923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320889689.9U Withdrawn - After Issue CN203731855U (en) | 2013-12-31 | 2013-12-31 | Coreless gas-pressure thermal insulating pouring furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203731855U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743235A (en) * | 2013-12-31 | 2014-04-23 | 常州市卓信机电设备制造有限公司 | Coreless air pressure thermal-insulating pouring furnace |
| 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 |
-
2013
- 2013-12-31 CN CN201320889689.9U patent/CN203731855U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743235A (en) * | 2013-12-31 | 2014-04-23 | 常州市卓信机电设备制造有限公司 | Coreless air pressure thermal-insulating pouring furnace |
| CN103743235B (en) * | 2013-12-31 | 2015-08-12 | 常州市卓信机电设备制造有限公司 | A kind of centreless air pressure insulated pouring stove |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20150812 |
|
| RGAV | Abandon patent right to avoid regrant |