CN104534874A - Vacuum medium-frequency induction furnace - Google Patents
Vacuum medium-frequency induction furnace Download PDFInfo
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- CN104534874A CN104534874A CN201410826584.8A CN201410826584A CN104534874A CN 104534874 A CN104534874 A CN 104534874A CN 201410826584 A CN201410826584 A CN 201410826584A CN 104534874 A CN104534874 A CN 104534874A
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- frequency induction
- vacuum
- graphite
- induction furnace
- cooling flange
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Abstract
The invention discloses a vacuum medium-frequency induction furnace. The vacuum medium-frequency induction furnace comprises a furnace body, wherein a vacuum chamber is arranged in the furnace body and comprises a first heating cavity and a second heating cavity arranged in the first heating cavity, an object to be heated is arranged in the second heating cavity, a quartz tube is arranged in the wall of the first heating cavity, a graphite sleeve tube is arranged in the wall of the second heating cavity, and an induction coil is wound outside the quartz tube and electrically connected with a medium-frequency power source. Through the induction coil input with medium-frequency alternating current, an alternating magnetic field is generated and generates identical-frequency induction current in the graphite sleeve tube, the graphite sleeve tube is rapidly heated, and then the graphite sleeve tube transmits heat to the object in a heat radiation mode. The structure of the vacuum medium-frequency induction furnace is simplified, the occupied size of the furnace body is reduced, and the vacuum medium-frequency induction furnace has the advantages of being rapid in heating, high in stability and low in cost and is suitable for the field of scientific research in schools and enterprises.
Description
Technical field
The present invention relates to a kind of agglomerating plant, be specifically related to a kind of small size vacuum intermediate frequency furnace being applicable to scientific research.
Background technology
Vacuum medium frequency induction furnace is mainly used in the sintering of sintered metal product, metal injection molded article, stainless steel carbide alloy, superalloy, high-density alloy, ceramic material, magnetic material, neodymium iron boron etc.Vacuum medium frequency induction furnace of the prior art is high due to bulky, complex structure, manufacturing cost, cannot be applicable to the scientific research field of school, enterprise.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, the vacuum medium frequency induction furnace that a kind of structure is simple, easy to use, be applicable to scientific research is provided.
A kind of vacuum medium frequency induction furnace, comprise body of heater, vacuum chamber is provided with in body of heater, vacuum chamber comprises the first heated chamber and is arranged on the second heated chamber in the first heated chamber, material to be heated is arranged in the second heated chamber, is provided with quartz ampoule in the locular wall of the first heated chamber, is provided with graphite bush in the locular wall of the second heated chamber, be arranged with induction coil outside quartz ampoule, induction coil is electrically connected with intermediate frequency power supply.
As further describing technique scheme:
Be filled with graphite felt in described quartz ampoule, in the locular wall between graphite bush, be provided with graphite felt.
As further describing technique scheme:
The upper and lower side of described first heated chamber is sealed with water-cooling flange, lower water-cooling flange respectively, and quartz ampoule is arranged between water-cooling flange, lower water-cooling flange.
As further describing technique scheme:
Described upper water-cooling flange is provided with lifting device, and lower water-cooling flange is provided with vacuum extractor.
As further describing technique scheme:
Described lifting device comprises lifting motor and hoisting rope, and hoisting rope one end is connected on the output shaft of lifting motor, and other end fork is connected to the two ends of water-cooling flange.
As further describing technique scheme:
Described upper water-cooling flange is also provided with observation window and suction nozzle, is connected with Capacitance Diaphragm Gauge and infrared radiation thermometer.
As further describing technique scheme:
Be provided with Graphite platform in described second heated chamber, material to be heated is placed on Graphite platform, and the two ends of Graphite platform are connected on upper water-cooling flange by graphite column.
The present invention, by the induction coil of input medium frequency alternating current, produces the induced-current that alternating magnetic field produces same frequency in graphite bush, graphite bush is heated rapidly, and graphite bush passes through radiant heat transfer heat again to article.Not only simplify the structure of vacuum medium frequency induction furnace, what can reduce body of heater takies volume, and has the advantage that heating is rapid, stability is high, cost is low, is applicable to the scientific research field of school, enterprise.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present invention.
Marginal data:
1, body of heater; 2, vacuum chamber; 21, the first heated chamber; 22, the second heated chamber; 3, material to be heated; 4, quartz ampoule; 5, graphite bush; 6, induction coil; 7, intermediate frequency power supply; 8, graphite felt; 9, upper water-cooling flange; 10, lower water-cooling flange; 11, lifting device; 111, lifting motor; 112, hoisting rope; 12, vacuum extractor; 13, Graphite platform; 14, graphite column.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
See Fig. 1, a kind of vacuum medium frequency induction furnace provided by the invention, comprise body of heater 1, be provided with vacuum chamber 2 in body of heater 1, vacuum chamber 2 comprises the first heated chamber 21 and is arranged on the second heated chamber 22 in the first heated chamber 21, and material to be heated 3 is arranged in the second heated chamber 22, quartz ampoule 4 is provided with in the locular wall of the first heated chamber 21, be provided with graphite bush 5 in the locular wall of the second heated chamber 22, be arranged with induction coil 6 outside quartz ampoule 4, induction coil 6 is electrically connected with intermediate frequency power supply 7.
During use, material to be heated 3 is put in the second heated chamber 22, open intermediate frequency power supply 7, the quartz ampoule 4 of the first heated chamber 21 is made to produce alternating magnetic field by induction coil 6, the alternating magnetic field produced produces the induced-current of same frequency in the graphite bush 5 of the second heated chamber 22, graphite bush 5 is heated rapidly, and graphite bush 5 passes through radiant heat transfer heat again to material to be heated 3.The present invention utilizes two heated chamber, and the setting of graphite bush 6 (graphite bush 5 not only magnetic conduction is good, and has good thermal conductance and heat-resisting quantity, and in applied at elevated temperature process, thermal coefficient of expansion is little, has certain stain resistance energy to anxious heat, chilling.To acid, the corrosion resistance of alkaline solution is comparatively strong, has excellent chemical stability.) not only structure is simple, volume is little, and has heating rapidly, the advantage that stability is high.
In the present embodiment, in quartz ampoule 4, be filled with graphite felt 8, in the locular wall between graphite bush 5, be provided with graphite felt 8.Object is, graphite felt has good insulation and heat-blocking action, guarantees that the locular wall of quartz ampoule 4 and the second heated chamber 22 is injury-free during high temperature.
In the present embodiment, the upper and lower side of the first heated chamber 21 is sealed with water-cooling flange 9, lower water-cooling flange 10 respectively, and quartz ampoule 4 is arranged between water-cooling flange 9, lower water-cooling flange 10.Upper water-cooling flange 9 is provided with lifting device 11, and lower water-cooling flange 10 is provided with vacuum extractor 12.Object is, not only increases the sealing of vacuum chamber 2, and and utilize lifting device 11 conveniently to pick and place material to be heated 3, vacuum extractor 12 is arranged on lower water-cooling flange 10, operation easy to use.
Wherein, lifting device 11 comprises lifting motor 111 and hoisting rope 112, and hoisting rope 112 one end is connected on the output shaft of lifting motor 111, and other end fork is connected to the two ends of water-cooling flange 9.Object is, improves stability when promoting.
Wherein, upper water-cooling flange 9 is also provided with observation window and suction nozzle, is connected with Capacitance Diaphragm Gauge and infrared radiation thermometer simultaneously and is used for surveying vacuum and temperature.Object is, is convenient to observe in time and control material to be heated 3 heating state.
In the present embodiment, be provided with Graphite platform 13 in the second heated chamber 22, material to be heated 3 is placed on Graphite platform 13, and the two ends of Graphite platform 13 are connected on upper water-cooling flange 9 by graphite column 14.Object is, is not only convenient to the placement of material to be heated 3, and can further improve radiant heat transfer effect.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a vacuum medium frequency induction furnace, comprise body of heater, vacuum chamber is provided with in body of heater, it is characterized in that: described vacuum chamber comprises the first heated chamber and is arranged on the second heated chamber in the first heated chamber, material to be heated is arranged in the second heated chamber, is provided with quartz ampoule in the locular wall of the first heated chamber, is provided with graphite bush in the locular wall of the second heated chamber, be arranged with induction coil outside quartz ampoule, induction coil is electrically connected with intermediate frequency power supply.
2. vacuum medium frequency induction furnace according to claim 1, is characterized in that: be filled with graphite felt in described quartz ampoule, is provided with graphite felt in the locular wall between graphite bush.
3. vacuum medium frequency induction furnace according to claim 1 and 2, is characterized in that: the upper and lower side of described first heated chamber is sealed with water-cooling flange, lower water-cooling flange respectively, and quartz ampoule is arranged between water-cooling flange, lower water-cooling flange.
4. vacuum medium frequency induction furnace according to claim 3, is characterized in that: described upper water-cooling flange is provided with lifting device, and lower water-cooling flange is provided with vacuum extractor.
5. vacuum medium frequency induction furnace according to claim 4, is characterized in that: described lifting device comprises lifting motor and hoisting rope, and hoisting rope one end is connected on the output shaft of lifting motor, and other end fork is connected to the two ends of water-cooling flange.
6. vacuum medium frequency induction furnace according to claim 1 and 2, is characterized in that: described upper water-cooling flange is also provided with observation window and suction nozzle, is connected with Capacitance Diaphragm Gauge and infrared radiation thermometer.
7. vacuum medium frequency induction furnace according to claim 1 and 2, is characterized in that: be provided with Graphite platform in described second heated chamber, material to be heated is placed on Graphite platform, and the two ends of Graphite platform are connected on upper water-cooling flange by graphite column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410826584.8A CN104534874A (en) | 2014-12-25 | 2014-12-25 | Vacuum medium-frequency induction furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410826584.8A CN104534874A (en) | 2014-12-25 | 2014-12-25 | Vacuum medium-frequency induction furnace |
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| Publication Number | Publication Date |
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| CN104534874A true CN104534874A (en) | 2015-04-22 |
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| CN201410826584.8A Pending CN104534874A (en) | 2014-12-25 | 2014-12-25 | Vacuum medium-frequency induction furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603209A (en) * | 2016-03-15 | 2016-05-25 | 东北大学 | Blowing-type induction melting furnace |
| CN105682270A (en) * | 2016-01-27 | 2016-06-15 | 福州大学 | High-frequency electromagnetic induction hot-pressing sintering and brazing device |
| CN106392907A (en) * | 2016-10-27 | 2017-02-15 | 南昌大学 | Method for quickly preparing dense and superhard grinding and drilling tool based on self-propagating reaction |
| CN106440803A (en) * | 2016-10-12 | 2017-02-22 | 安徽贝意克设备技术有限公司 | Vertical vacuum tube type hot-press furnace |
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| CN1544713A (en) * | 2003-11-14 | 2004-11-10 | 中国科学院物理研究所 | Silicon carbide crystal growth apparatus |
| JP2009222364A (en) * | 2008-03-18 | 2009-10-01 | Sinfonia Technology Co Ltd | Induction heating melting furnace |
| CN101913606A (en) * | 2010-08-02 | 2010-12-15 | 大连理工大学 | Composite type heating method and device for polycrystalline silicon smelting |
| CN202968135U (en) * | 2012-12-13 | 2013-06-05 | 青岛隆盛晶硅科技有限公司 | Equipment for purification of polycrystalline silicon through directional solidification by vacuum extraction of tailing |
| KR20130061358A (en) * | 2011-12-01 | 2013-06-11 | 한국원자력연구원 | High frequency induction heating method for using water-exclusive coil and high frequency induction furnace |
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2014
- 2014-12-25 CN CN201410826584.8A patent/CN104534874A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1544713A (en) * | 2003-11-14 | 2004-11-10 | 中国科学院物理研究所 | Silicon carbide crystal growth apparatus |
| JP2009222364A (en) * | 2008-03-18 | 2009-10-01 | Sinfonia Technology Co Ltd | Induction heating melting furnace |
| CN101913606A (en) * | 2010-08-02 | 2010-12-15 | 大连理工大学 | Composite type heating method and device for polycrystalline silicon smelting |
| KR20130061358A (en) * | 2011-12-01 | 2013-06-11 | 한국원자력연구원 | High frequency induction heating method for using water-exclusive coil and high frequency induction furnace |
| CN202968135U (en) * | 2012-12-13 | 2013-06-05 | 青岛隆盛晶硅科技有限公司 | Equipment for purification of polycrystalline silicon through directional solidification by vacuum extraction of tailing |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105682270A (en) * | 2016-01-27 | 2016-06-15 | 福州大学 | High-frequency electromagnetic induction hot-pressing sintering and brazing device |
| CN105682270B (en) * | 2016-01-27 | 2019-07-09 | 福州大学 | A kind of high-frequency electromagnetic induction hot pressed sintering and brazing device |
| CN105603209A (en) * | 2016-03-15 | 2016-05-25 | 东北大学 | Blowing-type induction melting furnace |
| CN106440803A (en) * | 2016-10-12 | 2017-02-22 | 安徽贝意克设备技术有限公司 | Vertical vacuum tube type hot-press furnace |
| CN106440803B (en) * | 2016-10-12 | 2018-08-21 | 安徽贝意克设备技术有限公司 | A kind of vertical vacuum tubular type hot pressing furnace |
| CN106392907A (en) * | 2016-10-27 | 2017-02-15 | 南昌大学 | Method for quickly preparing dense and superhard grinding and drilling tool based on self-propagating reaction |
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Application publication date: 20150422 |