CN203657465U - Energy-saving vacuum double-cavity maintaining furnace - Google Patents
Energy-saving vacuum double-cavity maintaining furnace Download PDFInfo
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- CN203657465U CN203657465U CN201320853637.6U CN201320853637U CN203657465U CN 203657465 U CN203657465 U CN 203657465U CN 201320853637 U CN201320853637 U CN 201320853637U CN 203657465 U CN203657465 U CN 203657465U
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- crucible
- vacuum
- furnace shell
- furnace
- degassing
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Abstract
An energy-saving vacuum double-cavity maintaining furnace comprises a vacuum furnace shell mechanism, a heating mechanism and a degassing crucible. The vacuum furnace shell mechanism is provided with a furnace shell, an inner shell, reinforcing ribs, a furnace cover, a sand injection port and a hearth. A vacuum cavity is arranged between the inner shell and the furnace shell, the heating mechanism is provided with electric heating wires, a distribution box, magnesia and thermocouples, and the degassing crucible mechanism is provided with crucibles, degassing bricks, gas inlet pipes and a degassing control valve. Heat of the heating mechanism and the degassing crucible mechanism is maintained by a vacuum furnace jacket, heat insulation effect is improved, heat is directly transmitted to the crucible by filling the magnesia around the electric heating wire, surface operation temperature of the electric heating wires is reduced, temperature difference between the electric heating wires and the crucibles is balanced, and service lives of the electric heating wires are prolonged. By arranging the carbon fiber reinforcing ribs in the crucibles, cracking of the crucibles is effectively prevented. By arranging the degassing bricks at the bottom of the crucibles to substitute for a rotor degassing procedure, degassing effect and efficiency are improved and energy and cost are saved.
Description
Technical field
The utility model relates to aluminium alloy casting field, specifically a kind of energy-saving type vacuum two-chamber holding furnace.
Background technology
In Birmasil product process, for guaranteeing continuous production, every group of production line has all been equipped with two well type heat-insulating stoves to carry out heating and thermal insulation, takes turns to use aluminium liquid, its heat preserving mode only adopts thickening insulation material, not only bulky, heat insulation effect is also undesirable, not only raises and has worsened operation area environment, also need summer with air-conditioning temperature-reducing, energy consumption is larger; The electrical heating wire using at present and crucible are by air transmitted, and not only both temperature difference are large, and the life-span, the control accuracy that also shorten heating wire are also poor; Not only cost is high for the graphite ceramic crucible using, and also easily the cracking life-span is short; Its refining degasification is handy rotor getter also, has increased again consumptive material and cost; Use the holding furnace of immersion electric heater or surface heating device, not only function drop into less high, use cost is also high.
Utility model content
The utility model, for the problems referred to above, provides a kind of energy-saving type vacuum two-chamber holding furnace, reduces costs.
According to the technical solution of the utility model: a kind of energy-saving type vacuum two-chamber holding furnace, comprises vacuum furnace shell mechanism, heating arrangements, degasification crucible mechanism.
Described vacuum furnace shell mechanism is provided with furnace shell 00, reinforcement 9, inner casing 0, on furnace shell 00, reinforcement 9, inner casing 0, be provided with bell 8, on bell 8, be provided with note sand mouth 08, furnace shell 00 is arranged with furnace bottom 02, the external bottom end of furnace shell 00 is provided with vacuum nozzle 14, vacuum nozzle 14 is other is provided with vacuum meter 15, between described inner casing 0 and furnace shell 00, is arranged to vacuum chamber; In inner casing 0, be provided with sealing plate 11, on the inwall of inner casing 0, furnace bottom 02, be provided with insulation material 1, stove brick 7, on stove brick 7, be provided with and put a brick 3.
Described heating arrangements is provided with heating wire 2, distribution box 01, and distribution box 01 both sides are provided with thermocouple terminal 18, and the surrounding of heating wire 2 is provided with magnesia 4, and magnesia 4 central authorities are provided with crucible 6, in the magnesia 4 of crucible 6 one sides, are provided with thermocouple 88.
Described degasification crucible mechanism is provided with crucible 6, is provided with carbon fiber reinforcement 5 in the inwall of crucible 6, and the bottom of crucible 6 is provided with deaerated brick 10, in the magnesia 4 of described crucible 6 bottoms, is provided with degasification air inlet pipe 12, and furnace shell 00 both sides are provided with except gas control valve 13.
In described vacuum furnace shell, be provided with 6 two, crucible.
Described heating wire 2 is provided with two covers.
Described thermocouple 88 is provided with two groups.
Described degasification air inlet pipe 12 connects except gas control valve 13, is provided with two pairs.
Described vacuum nozzle 14 is provided with two.
Described vacuum meter 15 is provided with two.
Technique effect of the present utility model is: adopt reinforcement to carry out wall body reinforcement to furnace shell, inner casing, save and make materials, prevent housing distortion; Adopt furnace shell and inner casing and furnace bottom, bell to make hollow sealing boiler clothing, vacuumize with vacuum nozzle, furnace shell body is made to vacuum boiler clothing, heating arrangements, degasification crucible mechanism are incubated with vacuum boiler clothing raising effect of heat insulation; Adopt the other vacuum meter arranging of vacuum nozzle to show vacuum, understand at any time the vacuum state of vacuum boiler clothing; The sealing plate that employing is arranged in vacuum furnace shell is separated into two independently annular seal spaces two incubation cavities, while making the independent degasification of two crucibles, does not collaborate; Employing is poured into heating wire magnesia around directly to crucible conduction heat, has reduced the surface Working Temperature of heating wire, and the temperature difference of even weighed heating wire and crucible has extended service life of heating wire; The thermocouple that employing is arranged in crucible one side magnesia carries out temperature control through temperature controller to holding furnace; The carbon fiber reinforcement that employing is arranged in crucible effectively prevents crucible cracking, extends pot life; Employing is arranged at the deaerated brick of crucible bottom, by except gas control valve access nitrogen, sees through deaerated brick aluminium liquid is carried out to degasification through the magnesia of heating, substitutes rotor degasification operation, has improved degassing effect and efficiency; Adopt two crucibles to be set up in parallel in a vacuum furnace shell, not only material-saving volume is little, also energy-conservation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is top view of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment in the utility model is described further.
In Fig. 1, Fig. 2, comprise furnace shell 00, inner casing 0, distribution box 01, furnace bottom 02, insulation material 1, heating wire 2, put a brick 3, magnesia 4, carbon fiber reinforcement 5, crucible 6, stove brick 7, note sand mouth 08, bell 8, thermocouple 88, reinforcement 9, vacuum nozzle 10, sealing plate 11, air inlet pipe 12, except gas control valve 13, vacuum nozzle 14, vacuum meter 15, thermocouple terminal 18 etc.
As shown in Figure 1 and Figure 2, the utility model is a kind of energy-saving type vacuum two-chamber holding furnace, comprises vacuum furnace shell mechanism, heating arrangements, degasification crucible mechanism.
Described vacuum furnace shell mechanism comprises furnace shell 00, inner casing 0, reinforcement 9, bell 8, note sand mouth 08, furnace bottom 02, vacuum nozzle 14, vacuum meter 15, sealing plate 11, stove brick 7, puts a brick 3; Inner casing 0 is arranged in furnace shell 00; The width of reinforcement 9 is less than the gap of inner casing 0 and furnace shell 00, and a side is arranged on the outer wall of furnace shell 00 inwall, inner casing 0, and interval arranges; Bell 8 is arranged on furnace shell 00, inner casing 0; Note sand mouth 08 is arranged on bell 8, and every crucible is provided with three; Furnace bottom 02 is arranged at furnace shell 00, inner casing 0 time; Vacuum nozzle 14 is arranged at the outer wall both sides of furnace shell 00 bottom; It is other that vacuum meter 15 is arranged at vacuum nozzle 14; Described inner casing 0 is connected with bell 8 with furnace shell 00 upper end, and described inner casing 0 is connected with furnace bottom 02 with furnace shell 00 lower end, is arranged to vacuum chamber; Dividing plate 11 is arranged at the middle part of inner casing 0; Insulation material 1 is arranged on the inwall, furnace bottom 02 of inner casing 0; Stove brick 7 is arranged at insulation material 1 inwall, puts a brick 3 and is arranged on stove brick 7.
Described heating arrangements comprises heating wire 2, distribution box 01, thermocouple terminal 18, magnesia 4, thermocouple 88; Distribution box 01 is arranged at furnace shell 00 1 sides; Thermocouple terminal 18 is arranged at distribution box 01 both sides, and heating wire 2 is arranged to be put on a brick 3, is connected with the terminal in distribution box 01; Magnesia 4 is arranged at heating wire 2 around, and thermocouple 88 is arranged in crucible 6 one side magnesia 4, and one end is connected with thermocouple terminal 18 respectively.
Described degasification crucible mechanism comprises crucible 6, carbon fiber reinforcement 5, deaerated brick 10, degasification air inlet pipe 12, degasification intake valve 13; Carbon fiber reinforcement 5 is arranged in the inwall of crucible 6; Deaerated brick 10 is arranged at the bottom of crucible 6; Described degasification air inlet pipe 12 is arranged in the magnesia 4 of crucible 6 bottom one sides; Degasification intake valve 13 is arranged at the both sides of furnace shell 00, and degasification air inlet pipe 12 is connected with degasification intake valve 13; It is other that described vacuum meter 15 is arranged at degasification intake valve 13.
In described vacuum furnace shell, be provided with 6 two, crucible.
Described heating wire 2 is provided with two covers.
Described thermocouple 88 is provided with two groups.
Described air inlet pipe 12 connects except gas control valve 13, is provided with two pairs.
Described vacuum meter 15 is provided with two.
Heating wire of the present utility model is placed in after the terminal that connects distribution box on deaerated brick, inserts degasification air inlet pipe, and on the heating wire of bottom, topped magnesia, inserts crucible, then fills magnesia from note sand mouth; Employing is poured into heating wire magnesia around directly to crucible conduction heat, has reduced the surface Working Temperature of heating wire, and the temperature difference of even weighed heating wire and crucible has extended service life of heating wire; The thermocouple that employing is arranged in crucible one side magnesia carries out temperature control through temperature controller to holding furnace; The carbon fiber reinforcement that employing is arranged in crucible effectively prevents crucible cracking, extends pot life; Employing is arranged at the deaerated brick of crucible bottom, by air removing valve access nitrogen, sees through deaerated brick aluminium liquid is carried out to degasification through the magnesia of heating; Adopt two crucibles to be set up in parallel in a vacuum furnace shell, not only material-saving volume is little, also energy-conservation.
Claims (4)
1. energy-saving type vacuum two-chamber holding furnace, is characterized in that: comprise vacuum furnace shell mechanism, heating arrangements, crucible mechanism;
Described vacuum furnace shell mechanism is provided with furnace shell (00), reinforcement (9), inner casing (0), on furnace shell (00), reinforcement (9), inner casing (0), be provided with bell (8), on bell (8), be provided with note sand mouth (08), furnace shell (00) is arranged with furnace bottom (02), the external bottom end of furnace shell (00) is provided with vacuum nozzle (14), vacuum nozzle (14) is other is provided with vacuum meter (15), between described inner casing (0) and furnace shell (00), is arranged to vacuum chamber; In inner casing (0), be provided with sealing plate (11), on the inwall of inner casing (0), furnace bottom (02), be provided with insulation material (1), stove brick (7), on stove brick (7), be provided with and put a brick (3);
Described heating arrangements is provided with heating wire (2), distribution box (01), distribution box (01) both sides are provided with thermocouple terminal (18), the surrounding of heating wire (2) is provided with magnesia (4), magnesia (4) central authorities are provided with crucible (6), in the magnesia (4) of crucible (6) one sides, are provided with thermocouple (88);
Described degasification crucible mechanism is provided with crucible (6), in the inwall of crucible (6), be provided with carbon fiber reinforcement (5), the bottom of crucible (6) is provided with deaerated brick (10), in the magnesia (4) of described crucible (6) bottom, be provided with degasification air inlet pipe (12), furnace shell (00) both sides are provided with except gas control valve (13).
2. energy-saving type vacuum two-chamber holding furnace according to claim 1, is characterized in that: in described vacuum furnace shell, be provided with two crucibles (6).
3. energy-saving type vacuum two-chamber holding furnace according to claim 1, is characterized in that: described heating wire (2) is provided with two covers.
4. energy-saving type vacuum two-chamber holding furnace according to claim 1, it is characterized in that: described thermocouple (88) is provided with two groups, described degasification air inlet pipe (12) connects except gas control valve (13), be provided with two pairs, described vacuum nozzle (14) is provided with two, and described vacuum meter (15) is provided with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320853637.6U CN203657465U (en) | 2013-12-20 | 2013-12-20 | Energy-saving vacuum double-cavity maintaining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320853637.6U CN203657465U (en) | 2013-12-20 | 2013-12-20 | Energy-saving vacuum double-cavity maintaining furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203657465U true CN203657465U (en) | 2014-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320853637.6U Withdrawn - After Issue CN203657465U (en) | 2013-12-20 | 2013-12-20 | Energy-saving vacuum double-cavity maintaining furnace |
Country Status (1)
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| CN (1) | CN203657465U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712442A (en) * | 2013-12-20 | 2014-04-09 | 邵宏 | Energy-saving vacuum double cavity holding furnace |
| CN104061785A (en) * | 2014-07-04 | 2014-09-24 | 苏州普京真空技术有限公司 | Vacuum furnace |
| CN105167126A (en) * | 2015-08-31 | 2015-12-23 | 天蓬集团有限公司 | Feed heating and energy-saving furnace |
| CN112325637A (en) * | 2020-11-04 | 2021-02-05 | 汨罗市福缘新材料有限公司 | Multi-cavity graphite crucible with reinforced inner part |
-
2013
- 2013-12-20 CN CN201320853637.6U patent/CN203657465U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712442A (en) * | 2013-12-20 | 2014-04-09 | 邵宏 | Energy-saving vacuum double cavity holding furnace |
| CN103712442B (en) * | 2013-12-20 | 2015-06-10 | 邵宏 | Energy-saving vacuum double cavity holding furnace |
| CN104061785A (en) * | 2014-07-04 | 2014-09-24 | 苏州普京真空技术有限公司 | Vacuum furnace |
| CN105167126A (en) * | 2015-08-31 | 2015-12-23 | 天蓬集团有限公司 | Feed heating and energy-saving furnace |
| CN112325637A (en) * | 2020-11-04 | 2021-02-05 | 汨罗市福缘新材料有限公司 | Multi-cavity graphite crucible with reinforced inner part |
| CN112325637B (en) * | 2020-11-04 | 2024-04-09 | 汨罗市福缘新材料有限公司 | Inside reinforced multicavity graphite crucible |
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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: 20140618 Effective date of abandoning: 20150610 |
|
| RGAV | Abandon patent right to avoid regrant |