CN103105062A - High frequency inductive aluminum melting furnace used for aluminum die-casting - Google Patents
High frequency inductive aluminum melting furnace used for aluminum die-casting Download PDFInfo
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- CN103105062A CN103105062A CN 201110356682 CN201110356682A CN103105062A CN 103105062 A CN103105062 A CN 103105062A CN 201110356682 CN201110356682 CN 201110356682 CN 201110356682 A CN201110356682 A CN 201110356682A CN 103105062 A CN103105062 A CN 103105062A
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Abstract
The invention discloses a high frequency inductive aluminum melting furnace used for aluminum die-casting. The high frequency inductive aluminum melting furnace used for the aluminum die-casting comprises a furnace body, an end cover, a crucible, a heating assembly and a high frequency inductive power control box, wherein the heating assembly comprises a heat preservation and insulation layer and an electromagnetic inductive wire coil, the electromagnetic inductive wire coil is connected with the high frequency inductive power control box, the crucible is arranged in the heat preservation and insulation layer, a temperature measuring probe and a differential pressure transducer are arranged on the outer wall of the heat preservation and insulation layer, the temperature measuring probe and the differential pressure transducer are respectively connected with the high frequency inductive power control box, a smoke discharging channel is arranged on the end cover, and the differential pressure transducer is connected with a smoke valve which is arranged in the smoke discharging channel. The high frequency inductive aluminum melting furnace used for the aluminum die-casting is low in energy consumption, high in efficiency, long in service life, capable of automatically controlling the discharge load of high temperature smoke gases of the furnace, safe and reliable.
Description
Technical field
The present invention relates to metal smelting-furnace, particularly relate to the molten aluminium stove of a kind of high-frequency induction for aluminium die casting.
Background technology
At zinc, aluminium Die Casting Industry, existing melting stove and accessory major part is with coal, coke, and combustion gas waits to be the melting of energy combustion heating.Its shortcoming is: 1, energy consumption is large, and the coal equal energy source will produce heat by burning, and the part coal does not fully burn and just becomes slag; Efficient is low, and during coal burning, a large amount of heat energy loss in air, only have part to be utilized.2, maximum discharge, the pernicious gases such as a large amount of nitrogen oxide, carbon dioxide, sulfur dioxide are discharged in high pollution during the burning such as coal, coke, combustion gas.3, product quality is low, and production cost is high, because burning, crucible temperature is uncontrollable, causes the aluminium coolant-temperature gage too high or too low, makes that to cast out product matter qualification rate low, and cast-iron pot accelerated ageing, overtemperature are burnt out etc., causes production cost to increase.
Also there is part to adopt the smelting furnace of resistance wire heating principle, the shortcoming of this smelting furnace is: 1, the thermal efficiency is low, because Resistant heating needs the heat of self is conducted to cast-iron pot, that face heat of pressing close to cast-iron pot is utilized, the another side heat is underutilized, and makes the heat conduction between resistance wire and crucible loss occur; 2, fault rate is high, and the resistance wire life-span of heating is limited, easily aging, blow, and after damaging, inconvenience is safeguarded,
Simultaneously, the high-temperature flue gas that existing molten aluminium stove produces when burning easily causes the stove inner high voltage, if the high-temperature flue gas discharging is untimely, fire door is easily burned with anger, and not only burn out fire door, and heat loss is large, if discharge too fastly, can cause stove to work under subnormal ambient, the thermal efficiency reduces.Therefore, when being necessary molten aluminium stove burning, the discharge capacity of high-temperature flue gas is controlled, to improve safety in utilization and the life-span of molten aluminium stove.
Summary of the invention
The technical problem that the present invention mainly solves is to provide that a kind of low energy consumption, efficient are high, long service life, can automatically control to the discharge capacity of high-temperature flue gas in smelting furnace the molten aluminium stove of the safe and reliable high-frequency induction that is used for aluminium die casting.
for solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of high-frequency induction for aluminium die casting molten aluminium stove, comprise body of heater, end cap, crucible, heating component and high frequency induction power supply control cabinet, described heating component comprises thermal insulation separation thermosphere and electromagnetic induction coil, described electromagnetic induction coil is connected with the high frequency induction power supply control cabinet, described crucible is arranged in the thermal insulation separation thermosphere, the outer wall of crucible is provided with temperature probe and differential pressure pickup, described temperature probe and differential pressure pickup are connected with the high frequency induction power supply control cabinet respectively, have smoke discharging pipe on described end cap, cigarette valve in described differential pressure pickup and smoke discharging pipe is connected.
In a preferred embodiment of the present invention, described insulation layer thickness is 30-50mm
In a preferred embodiment of the present invention, described body of heater is stainless steel, and described crucible is cast iron.
In a preferred embodiment of the present invention, there is certain interval between described thermal insulation separation thermosphere and crucible, the upper end of crucible is overlapped on the upper surface of thermal insulation separation thermosphere by the outer.
In a preferred embodiment of the present invention, be provided with heat resistant iron castings between described body of heater and end cap and add sealing strip.
The invention has the beneficial effects as follows:
1, produce the electromagnetic field of high frequency by electromagnetic induction coil, make the crucible heating, and the thick thermal insulation separation thermosphere of 30-50mm is arranged between crucible outer surface and electromagnetic induction coil inner surface, so the thermal efficiency is high, heat loss is little, save electric energy than the melting of resistance wire structure and reach 20%-30%, and adopt the electromagnetic induction coil heating not pollute, very environmental protection;
2, adopt temperature probe direct-detection crucible outside wall temperature, the temperature precise control does not destroy self quality that is melted metal, can not burn out crucible because of excess Temperature, has extended the service life of crucible;
3, utilize differential pressure pickup to gather crucible internal pressure signal and transfer to the high frequency induction power supply control cabinet, by the aperture of high frequency induction power supply control cabinet according to cigarette lock in crucible internal pressure signal controlling smoke discharging pipe, realize the automatic control of exhaust smoke level, guarantee molten aluminium stove molten aluminium operating mode normally, security, reliability and heat utilization efficiency when the molten aluminium furnaceman of raising does.
Description of drawings
Fig. 1 is the perspective view that the present invention is used for molten aluminium stove one preferred embodiment of high-frequency induction of aluminium die casting;
In accompanying drawing, the mark of each parts is as follows: 1, body of heater, 2, end cap, 3, crucible, 4, the thermal insulation separation thermosphere, 5, electromagnetic induction coil, 6, smoke discharging pipe, 7, the cigarette valve, 8, heat resistant iron castings adds sealing strip, 9, the outer.
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made more explicit defining.
See also Fig. 1, the embodiment of the present invention comprises:
the molten aluminium stove of a kind of high-frequency induction for aluminium die casting, comprise body of heater 1, end cap 2, crucible 3, heating component and high frequency induction power supply control cabinet, described heating component comprises thermal insulation separation thermosphere 4 and electromagnetic induction coil 5, described electromagnetic induction coil 5 is connected with the high frequency induction power supply control cabinet, described crucible 3 is arranged in thermal insulation separation thermosphere 4, the outer wall of crucible 3 is provided with temperature probe and differential pressure pickup, described temperature probe and differential pressure pickup are connected with the high frequency induction power supply control cabinet respectively, have smoke discharging pipe 6 on described end cap 2, cigarette valve 7 in described differential pressure pickup and smoke discharging pipe 6 is connected
Described body of heater 1 is stainless steel, and described crucible 3 is cast iron, and described thermal insulation separation thermosphere 4 thickness are 30-50mm, have prevented heat loss, have improved the thermal efficiency of crucible 3.
Described thermal insulation separation thermosphere 4 and crucible 3 all are designed to up big and down small cone-shaped, are convenient to like this install placement crucible 3.Have certain interval between thermal insulation separation thermosphere 4 and crucible 3, and the upper end of crucible 3 is overlapped on the upper surface of thermal insulation separation thermosphere 4 by outer 9, during dismounting, can easily crucible 3 be taken out by extracting this outer 9.
Be provided with heat resistant iron castings between described body of heater 1 and end cap 2 and add sealing strip 8, this structural design has guaranteed the service life of molten aluminium stove, and end cap 2 need not to use water cooling.
Described high frequency induction power supply control cabinet comprises input voltage table, output current table, Intelligent temperature controller, RCCB, starting switch and high frequency induction power supply etc.
The present invention has following advantage:
1, produce the electromagnetic field of high frequency by electromagnetic induction coil 5, make crucible 3 heatings, and the thick thermal insulation separation thermosphere 4 of 30-50mm is arranged between crucible 3 outer surfaces and electromagnetic induction coil 5 inner surfaces, so the thermal efficiency is high, heat loss is little, save electric energy than the melting of resistance wire structure and reach 20%-30%, and adopt electromagnetic induction coil 5 heating not pollute, very environmental protection;
2, adopt temperature probe direct-detection crucible outside wall temperature, the temperature precise control does not destroy self quality that is melted metal, can not burn out crucible 3 because of excess Temperature, has extended the service life of crucible 3;
3, utilize differential pressure pickup to gather crucible 3 internal pressure signals and transfer to the high frequency induction power supply control cabinet, by the aperture of high frequency induction power supply control cabinet according to crucible 3 internal pressure signal controlling smoke discharging pipe 6 interior cigarette locks 7, realize the automatic control of exhaust smoke level, guarantee molten aluminium stove molten aluminium operating mode normally, security, reliability and heat utilization efficiency when the molten aluminium furnaceman of raising does.
The above is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present invention.
Claims (5)
1. a high-frequency induction that is used for aluminium die casting melts the aluminium stove, it is characterized in that: comprise body of heater (1), end cap (2), crucible (3), heating component and high frequency induction power supply control cabinet, described heating component comprises thermal insulation separation thermosphere (4) and electromagnetic induction coil (5), described electromagnetic induction coil (5) is connected with the high frequency induction power supply control cabinet, described crucible (3) is arranged in thermal insulation separation thermosphere (4), the outer wall of crucible (3) is provided with temperature probe and differential pressure pickup, described temperature probe and differential pressure pickup are connected with the high frequency induction power supply control cabinet respectively, have smoke discharging pipe (6) on described end cap (2), cigarette valve (7) in described differential pressure pickup and smoke discharging pipe (6) is connected.
2. the high-frequency induction for aluminium die casting according to claim 1 melts the aluminium stove, and it is characterized in that: described thermal insulation separation thermosphere (4) thickness is 30-50mm.
3. the high-frequency induction for aluminium die casting according to claim 1 melts the aluminium stove, and it is characterized in that: described body of heater (1) is stainless steel, and described crucible (3) is cast iron
4. the high-frequency induction for aluminium die casting according to claim 1 melts the aluminium stove, it is characterized in that: have certain interval between described thermal insulation separation thermosphere (4) and crucible (3), the upper end of crucible (3) is overlapped on the upper surface of thermal insulation separation thermosphere (4) by outer (9).
5. the molten aluminium stove of the high-frequency induction for aluminium die casting according to claim 1, is characterized in that: be provided with heat resistant iron castings between described body of heater (1) and end cap (2) and add sealing strip (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110356682 CN103105062A (en) | 2011-11-10 | 2011-11-10 | High frequency inductive aluminum melting furnace used for aluminum die-casting |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110356682 CN103105062A (en) | 2011-11-10 | 2011-11-10 | High frequency inductive aluminum melting furnace used for aluminum die-casting |
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| CN103105062A true CN103105062A (en) | 2013-05-15 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438708A (en) * | 2013-09-02 | 2013-12-11 | 太仓子午电气有限公司 | Smelting furnace for copper silver composite processing |
| CN103913063A (en) * | 2014-03-14 | 2014-07-09 | 台州昊泽碳制品有限公司 | Internal structure of motor carbon brush sintering furnace |
| CN104501593A (en) * | 2014-12-03 | 2015-04-08 | 东莞市长安东阳光铝业研发有限公司 | Aluminum smelting equipment and aluminum smelting method |
| CN105091585A (en) * | 2015-01-21 | 2015-11-25 | 湖北文理学院 | Medium-frequency power supply furnace provided with thermodetector |
| CN105698530A (en) * | 2016-04-22 | 2016-06-22 | 佛山市高捷工业炉有限公司 | High-frequency electromagnetic inductive heating furnace |
| CN103786344B (en) * | 2014-01-20 | 2017-05-31 | 广州捷和电子科技有限公司 | The feed mechanism of 3D printer |
| CN108254234A (en) * | 2017-12-30 | 2018-07-06 | 振石集团东方特钢有限公司 | A kind of preparation method of stainless steel smelting process control standard specimen |
| CN110749193A (en) * | 2019-10-29 | 2020-02-04 | 河南泰豪机电设备有限公司 | Closed heating furnace for smelting aluminum |
| CN110891335A (en) * | 2019-11-22 | 2020-03-17 | 中国航天空气动力技术研究院 | Heat accumulating type induction heating equipment |
-
2011
- 2011-11-10 CN CN 201110356682 patent/CN103105062A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438708A (en) * | 2013-09-02 | 2013-12-11 | 太仓子午电气有限公司 | Smelting furnace for copper silver composite processing |
| CN103786344B (en) * | 2014-01-20 | 2017-05-31 | 广州捷和电子科技有限公司 | The feed mechanism of 3D printer |
| CN103913063A (en) * | 2014-03-14 | 2014-07-09 | 台州昊泽碳制品有限公司 | Internal structure of motor carbon brush sintering furnace |
| CN103913063B (en) * | 2014-03-14 | 2015-08-12 | 台州昊泽碳制品有限公司 | A kind of carbon brush for electric machine sintering furnace internal structure |
| CN104501593A (en) * | 2014-12-03 | 2015-04-08 | 东莞市长安东阳光铝业研发有限公司 | Aluminum smelting equipment and aluminum smelting method |
| CN105091585A (en) * | 2015-01-21 | 2015-11-25 | 湖北文理学院 | Medium-frequency power supply furnace provided with thermodetector |
| CN105698530A (en) * | 2016-04-22 | 2016-06-22 | 佛山市高捷工业炉有限公司 | High-frequency electromagnetic inductive heating furnace |
| CN108254234A (en) * | 2017-12-30 | 2018-07-06 | 振石集团东方特钢有限公司 | A kind of preparation method of stainless steel smelting process control standard specimen |
| CN108254234B (en) * | 2017-12-30 | 2020-08-18 | 振石集团东方特钢有限公司 | Preparation method of stainless steel smelting process control standard sample |
| CN110749193A (en) * | 2019-10-29 | 2020-02-04 | 河南泰豪机电设备有限公司 | Closed heating furnace for smelting aluminum |
| CN110891335A (en) * | 2019-11-22 | 2020-03-17 | 中国航天空气动力技术研究院 | Heat accumulating type induction heating equipment |
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Application publication date: 20130515 |