CN102032784A - Multifunctional microwave sintering test furnace - Google Patents
Multifunctional microwave sintering test furnace Download PDFInfo
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- CN102032784A CN102032784A CN 201010594115 CN201010594115A CN102032784A CN 102032784 A CN102032784 A CN 102032784A CN 201010594115 CN201010594115 CN 201010594115 CN 201010594115 A CN201010594115 A CN 201010594115A CN 102032784 A CN102032784 A CN 102032784A
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- microwave sintering
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Abstract
The invention discloses a multifunctional microwave sintering test furnace. In order to solve the problems of single function and high investment cost in the conventional microwave sintering furnace, the multifunctional microwave sintering test furnace comprises microwave sources arranged on both sides of a furnace body and a cooling interlayer winding outside the furnace body, wherein an exhaust pipe communicated with a furnace chamber is arranged at the upper end of the furnace body, and an air inlet pipe communicated with the furnace chamber is arranged at the lower end of the furnace body; a plurality of air inlets are formed at the other end of the air inlet pipe; and each air inlet is correspondingly connected with different air supply devices. By the multifunctional microwave sintering test furnace, the aim of multi-purpose in one furnace is fulfilled, the sintering process requirements of multiple materials can be met, and the investment cost of sintering furnace body equipment is saved greatly; and multiple air protective systems are adopted, and a switch of a single microwave source is controlled, so the temperature fluctuation is small, the range of temperature control is narrow, the performance of materials is improved greatly, and the sintering effect is good.
Description
Technical field
The present invention relates to a kind of microwave agglomerating furnace, relate in particular to a kind of multi-functional microwave sintering trial furnace.
Background technology
Existing microwave agglomerating furnace function is relatively single, can not realize multi-use, has strengthened cost of investment to the user, waste also simultaneously resource; For existing microwave experimental furnace, because its gas handling system is more single, the passage of the intake and exhaust system body of heater of can't directly entering, cause the rising of sintering process temperature like this and descend slower, can not reach specific intensification and rate of temperature fall, the sintering for multiple material can not reach due sintering curre like this; Simultaneously, for the cooling of body of heater, the body of heater of existing microwave sintering experimental furnace does not have the existence of interlayer, will cause stove body temperature higher at temperature-rise period, so not only causes the waste of the energy, can cause the damage of body of heater yet; For existing microwave agglomerating furnace, because the microwave source of sintering can not singlely be controlled, cause sintering temperature wayward simultaneously, simultaneously, the atmosphere of agglomerated material is also wayward, can influence the performance of product like this.
Summary of the invention
In order to overcome existing microwave agglomerating furnace function singleness, deficiency that cost of investment is high, the present invention aims to provide a kind of multifunction microwave sintering test stove, and this sintering furnace can be realized multi-use, has greatly reduced the cost of investment of sintering furnace equipment.
To achieve these goals, the technical solution adopted in the present invention is: a kind of multifunction microwave sintering test stove, comprise the microwave source that is located at the body of heater both sides, be characterized in, also comprise surrounding the outer cooling sandwith layer of body of heater, the body of heater upper end is provided with the blast pipe that is communicated with furnace chamber, and the body of heater lower end is provided with the air inlet pipe that is communicated with furnace chamber, this air inlet pipe other end is provided with a plurality of atmosphere inlets, and each atmosphere inlet is corresponding continuous with different atmosphere feedwaies respectively.
Further, described atmosphere inlet is preferably three, is respectively nitrogen inlet, dry air inlet and argon gas inlet.
In order to understand furnace chamber temperature in real time, described body of heater upper end is provided with a thermocouple temperature measurement device, the thermometric section of this thermocouple temperature measurement device is positioned at furnace chamber, the signal input part that the signal output part of this thermocouple temperature measurement device and is provided with the switch board of PLC control system links to each other, the signal output part of this switch board links to each other with the power regulating system of microwave source, thus can be according to thermocouple temperature measurement device measured value real-time monitoring microwave source power, thus adjust to required temperature in the furnace chamber.
Described cooling sandwith layer lower end is provided with cooling medium inlet and media outlet, and the heating by to cooling medium has improved heat utilization ratio.
Described air inlet pipe is provided with the gas handling system of being made up of gas flowmeter and valve, and the controllable valve door makes charge flow rate reach ideal value, and this flow can be read by gas flowmeter.
This multi-functional kiln is in conjunction with the technological parameter of the performances such as chemistry, physics and electromagnetism of various types of materials, and design has the multiple gases protection system, and different as required atmosphere is entered in the furnace chamber by different atmosphere inlets; Simultaneously,, temperature can be controlled to be arbitrary temperature value in the room temperature to 1260 ℃, guarantee the temperature value of required technology by control to each microwave source power supply to the system of gauge tap separately that is designed to of microwave power supply; The body of heater of kiln is two-layer, and the centre has cooling sandwith layer, can adopt the cooling medium cooling that circulates, and the surface temperature of control body of heater is no more than 100 ℃, guarantees the safe operation of body of heater; Simultaneously, microwave kiln is in totally enclosed state, and heat insulation effect is better.
Compared with prior art, the invention has the beneficial effects as follows: the present invention has realized multi-use, and magnetic material such as same kiln both can the sintering soft magnetism, Hard Magnetic can also be finished firing of special cermacis, engineering ceramics and battery material etc.; Multi-use has been saved the cost of investment of sintering furnace equipment greatly; Adopt the multiple gases protection system, can finish the sintering of multiple material, greatly improved the performance of material; The switch of single microwave source is controlled, and it is less to make temperature float, and the temperature control narrow range reaches the effect of accurate sintering, and this helps further improving the performance of product.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the structure principle chart of an embodiment of the present invention.
In the drawings
The 1-cooling sandwith layer; The 2-blast pipe; 3-thermocouple temperature measurement device;
The 4-microwave source; The 5-nitrogen inlet; 6-dry air inlet;
7-argon gas inlet; The 8-gas handling system; 9-cooling medium inlet;
The 10-furnace chamber; The 11-media outlet; The 12-air inlet pipe.
The specific embodiment
A kind of multifunction microwave sintering test stove as shown in Figure 1, comprises the microwave source 4 that is located at the body of heater both sides, surrounds the outer cooling sandwith layer 1 of body of heater, and described cooling sandwith layer 1 lower end is provided with cooling medium inlet 9 and media outlet 11.Described body of heater upper end is provided with the blast pipe 2 that is communicated with furnace chamber 10, and the body of heater lower end is provided with the air inlet pipe 12 that is communicated with furnace chamber 10, and described air inlet pipe 12 is provided with the gas handling system of being made up of gas flowmeter and valve 8.These air inlet pipe 12 other ends are provided with three atmosphere inlets, are respectively nitrogen inlet 5, dry air inlet 6 and argon gas inlet 7, and each atmosphere inlet is corresponding continuous with different atmosphere feedwaies respectively.
In sintered products; can utilize the atmosphere inlet to supply with different gas, as in sintered permanent ferrite according to different products; in order to use dry air, therefore from dry air inlet 6, charge into dry air as protection gas in order to the iron oxide oxysome.As in sintered permanent ferrite, in order to use dry air, then need dry air as protective gas in order to the iron oxide oxysome, closing nitrogen inlet 5 and argon gas inlet 7, open dry air inlet 6, in furnace chamber 10, feed dry air and get final product.In the sintering soft magnetic ferrite, advance high pure nitrogen,, therefore close dry air inlet 6 and argon gas inlet 7, open nitrogen inlet 5, in furnace chamber 10, feed nitrogen and get final product in order to the protection soft magnetic ferrite.
Described body of heater upper end is provided with a thermocouple temperature measurement device 3, and the thermometric section of this thermocouple temperature measurement device 3 is positioned at furnace chamber 10, can be according to thermocouple temperature measurement device measured value real-time monitoring microwave source power, thus adjust to required temperature in the furnace chamber.
This multi-functional kiln is in conjunction with the technological parameter of the performances such as chemistry, physics and electromagnetism of various types of materials, and design has gas protection system such as nitrogen, dry air and argon gas; Simultaneously, in the design microwave power supply is designed to the system of gauge tap separately, temperature can be controlled to be arbitrary temperature value in the room temperature to 1260 ℃, guarantee the temperature value of required technology by control to each microwave source power supply.Adopt recirculated water to cool off in the interlayer of kiln, the surface temperature that can control body of heater is no more than 100 ℃, guarantees the safe operation of body of heater; Simultaneously, microwave kiln be in totally enclosed state, heat insulation effect is better.
The present invention adopts the multiple gases protection system, and the switch of single microwave source is controlled, and it is less to make temperature float, and the temperature control narrow range has greatly improved the performance of material, and sintering effect is good.
Claims (5)
1. multifunction microwave sintering test stove, comprise the microwave source (4) that is located at the body of heater both sides, it is characterized in that, also comprise and surround the outer cooling sandwith layer (1) of body of heater, the body of heater upper end is provided with the blast pipe (2) that is communicated with furnace chamber (10), the body of heater lower end is provided with the air inlet pipe (12) that is communicated with furnace chamber (10), and this air inlet pipe (12) other end is provided with a plurality of atmosphere inlets, and each atmosphere inlet is corresponding continuous with different atmosphere feedwaies respectively.
2. multifunction microwave sintering test stove according to claim 1 is characterized in that, described atmosphere inlet is three, is respectively nitrogen inlet (5), dry air inlet (6) and argon gas inlet (7).
3. multifunction microwave sintering test stove according to claim 1 and 2 is characterized in that, described body of heater upper end is provided with a thermocouple temperature measurement device (3), and the thermometric section of this thermocouple temperature measurement device (3) is positioned at furnace chamber (10).
4. multifunction microwave sintering test stove according to claim 1 and 2 is characterized in that, described cooling sandwith layer (1) lower end is provided with cooling medium inlet (9).
5. multifunction microwave sintering test stove according to claim 1 and 2 is characterized in that, described air inlet pipe (12) is provided with the gas handling system of being made up of gas flowmeter and valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010594115 CN102032784A (en) | 2010-12-17 | 2010-12-17 | Multifunctional microwave sintering test furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010594115 CN102032784A (en) | 2010-12-17 | 2010-12-17 | Multifunctional microwave sintering test furnace |
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| CN102032784A true CN102032784A (en) | 2011-04-27 |
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| CN 201010594115 Pending CN102032784A (en) | 2010-12-17 | 2010-12-17 | Multifunctional microwave sintering test furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853666A (en) * | 2011-06-28 | 2013-01-02 | 戴煜 | Box-type microwave high-temperature sintering furnace |
| CN102982995A (en) * | 2012-12-17 | 2013-03-20 | 湖南航天工业总公司 | Microwave curing process of bonded NdFeB magnet |
| CN106654161A (en) * | 2017-02-25 | 2017-05-10 | 深圳市玖创科技有限公司 | Cooling and sintering integration lithium ion battery material production equipment |
| JP2019051318A (en) * | 2017-09-18 | 2019-04-04 | イボクラール ビバデント アクチェンゲゼルシャフト | Dental furnace and operation method for the same |
| CN112361815A (en) * | 2020-10-28 | 2021-02-12 | 湖南隆泰环保能源科技有限公司 | Multifunctional microwave experiment workstation |
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| US4501717A (en) * | 1982-07-31 | 1985-02-26 | Sumitomo Electric Industries, Ltd. | Sintering method using a plasma gas atmosphere |
| CN2687594Y (en) * | 2004-03-18 | 2005-03-23 | 杨林 | Controllable atmosphere microwave high temperature heating furnace |
| CN200941002Y (en) * | 2006-05-22 | 2007-08-29 | 刘保生 | Industrial microwave vacuum/gas heat treatment sintering apparatus |
| DE102007044764A1 (en) * | 2007-09-19 | 2009-04-09 | Neue Materialien Bayreuth Gmbh | Hybrid kiln for sintering metallic or ceramic green body, has inner conductor detachably connected with two bar antennas at joint, where antennas extend over extension length of about specific times of coupled wavelength in applicator |
| CN201394651Y (en) * | 2009-04-07 | 2010-02-03 | 中国矿业大学 | Microwave sintering device of self-lubricating composite material |
| CN201954962U (en) * | 2010-12-17 | 2011-08-31 | 湖南航天工业总公司 | Multifunctional microwave sintering test furnace |
-
2010
- 2010-12-17 CN CN 201010594115 patent/CN102032784A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4501717A (en) * | 1982-07-31 | 1985-02-26 | Sumitomo Electric Industries, Ltd. | Sintering method using a plasma gas atmosphere |
| CN2687594Y (en) * | 2004-03-18 | 2005-03-23 | 杨林 | Controllable atmosphere microwave high temperature heating furnace |
| CN200941002Y (en) * | 2006-05-22 | 2007-08-29 | 刘保生 | Industrial microwave vacuum/gas heat treatment sintering apparatus |
| DE102007044764A1 (en) * | 2007-09-19 | 2009-04-09 | Neue Materialien Bayreuth Gmbh | Hybrid kiln for sintering metallic or ceramic green body, has inner conductor detachably connected with two bar antennas at joint, where antennas extend over extension length of about specific times of coupled wavelength in applicator |
| CN201394651Y (en) * | 2009-04-07 | 2010-02-03 | 中国矿业大学 | Microwave sintering device of self-lubricating composite material |
| CN201954962U (en) * | 2010-12-17 | 2011-08-31 | 湖南航天工业总公司 | Multifunctional microwave sintering test furnace |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853666A (en) * | 2011-06-28 | 2013-01-02 | 戴煜 | Box-type microwave high-temperature sintering furnace |
| CN102982995A (en) * | 2012-12-17 | 2013-03-20 | 湖南航天工业总公司 | Microwave curing process of bonded NdFeB magnet |
| CN106654161A (en) * | 2017-02-25 | 2017-05-10 | 深圳市玖创科技有限公司 | Cooling and sintering integration lithium ion battery material production equipment |
| CN106654161B (en) * | 2017-02-25 | 2019-04-19 | 中南新能源技术研究院(南京)有限公司 | A kind of cooling and sintering integrated lithium ion battery material production equipment |
| JP2019051318A (en) * | 2017-09-18 | 2019-04-04 | イボクラール ビバデント アクチェンゲゼルシャフト | Dental furnace and operation method for the same |
| CN112361815A (en) * | 2020-10-28 | 2021-02-12 | 湖南隆泰环保能源科技有限公司 | Multifunctional microwave experiment workstation |
| CN112361815B (en) * | 2020-10-28 | 2023-09-15 | 湖南隆泰环保能源科技有限公司 | Multifunctional microwave experiment workstation |
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Application publication date: 20110427 |