CN205482353U - Novel tungsten intermediate frequency induction sintering stove - Google Patents
Novel tungsten intermediate frequency induction sintering stove Download PDFInfo
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- CN205482353U CN205482353U CN201620180578.4U CN201620180578U CN205482353U CN 205482353 U CN205482353 U CN 205482353U CN 201620180578 U CN201620180578 U CN 201620180578U CN 205482353 U CN205482353 U CN 205482353U
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Abstract
The utility model provides a novel tungsten intermediate frequency induction sintering stove, the furnace body includes base, oven, furnace roof and induction coil, the furnace roof is the taper shape and has offered the viewing aperture, and the oven comprises the inner wall of the brick one -tenth of zirconia and the outer wall of the brick one -tenth of aluminium oxide to enclose into the furnace body inner chamber with base and furnace roof, induction coil cover establish on the outer wall, be equipped with the heat -generating body at the furnace body inner chamber along the inner wall circumference, set up annular heat screen in inner wall and the furnace roof department of being connected, with the heating chamber of furnace body inner chamber share lower part and the non - heating chamber on upper portion to the hole of heat screen and the observation pore pair of furnace roof are neat. The utility model discloses an it falls into the non - zone of heating on upper portion and the zone of heating of lower part with the furnace body inner chamber to set up the heat screen to because heat screen self can not heat conduction, just can prevent the heat to scatter and disappear, and in concentrating on the zone of heating, improve the heating efficiency to the work piece, and then the consumption of reduction plant capacity.
Description
Technical field
This utility model belongs to tungsten technical field of processing equipment, particularly relates to a kind of novel tungsten Medium frequency induction sintering furnace.
Background technology
Medium frequency induction sintering furnace is the widely used visual plant of specialty metal processing industry such as tungsten, molybdenum.Sensing heating is one of electrically heated good form, it is to utilize faraday electromagnetic induction principle to convert electrical energy into heat energy, three phase mains is made to become intermediate frequency alternating current by medium frequency induction power supply, and after alternating current is by circular induction coil, alternation induced field will be produced, say, that alternating flux Φ that size and Orientation all changes over can be produced.When one piece of conducting metal (i.e. tungsten, molybdenum workpiece) is placed in induction coil, according to Faraday law of electromagnetic induction, metal inside will produce corresponding induction electromotive force, owing to metal is that conductor also will produce faradic current because of the existence of induction electromotive force, this faradic current is just called eddy current, again according to joule--Lenz's law, eddy current will produce certain heat the metal inside with certain resistance flows when, so that this metal is heated.
The furnace chamber of presently used Medium frequency induction sintering furnace is jointly to be surrounded with furnace roof by furnace wall, furnace wall is cylindrical, furnace roof is cone, therefore, the induction coil of workpiece heat is set on furnace wall, so upper and lower skewness of the furnace temperature in furnace chamber, and, sintering furnace power attenuation can be caused bigger, its reason is, owing to the workpiece of heating is placed on body of heater base plate, when heat concentrates on around workpiece, more preferable heats can be played, and furnace chamber connects up and down, and and the fire door of furnace roof communicate, so heat in body of heater will upwards scatter and disappear, cause the loss of power consumption, in addition, owing to furnace roof is cone, it is in vacant state, affected the biggest by variations in temperature, it is easy to that be full of cracks or fracture occur from middle part, shorten the service life of furnace roof.
Utility model content
The purpose of this utility model is to provide a kind of novel tungsten Medium frequency induction sintering furnace, by the improvement to furnace binding, heat screen is set, body of heater inner chamber is divided into upper and lower two parts, the heat that sensing is produced is gathered in furnace chamber bottom, avoid upwards scattering and disappearing, and then reduce furnace temperature fluctuation, reduce power attenuation.
In order to solve above-mentioned technical problem, this utility model be the technical scheme is that a kind of novel tungsten Medium frequency induction sintering furnace, body of heater includes base, furnace wall, furnace roof and induction coil, furnace roof is that cone offers observation panel, inwall that furnace wall is built into by zirconia brick and the outer wall that alumina brick is built into form, and surround body of heater inner chamber with base and furnace roof, described induction coil is sheathed on the outer wall, it is provided with heater along inwall circumference at body of heater inner chamber, the heat screen of annular is set at inwall and furnace roof connection, body of heater inner chamber is divided into heating chamber and the non-heated chamber on top of bottom, and the observation port alignment of the endoporus of heat screen and furnace roof.
Preferably, arranging annular groove at inboard wall of furnace body upper end edge inwall circumference, the outer rim of heat screen is embedded in annular groove.
Preferably, described heat screen is provided with multiple suspension ring, and furnace roof is provided with the suspension hook being hooked on suspension ring.
Compared with prior art, the beneficial effects of the utility model are:
1, body of heater inner chamber is divided into non-power hot-zone and the thermal treatment zone of bottom on top by this utility model by arranging heat screen, and owing to heat screen self will not heat conduction, it is possible to stop heat to scatter and disappear, and concentrate in the thermal treatment zone, improve the efficiency of heating surface to workpiece, and then reduce the consumption of plant capacity.
2, heat screen is provided with and the endoporus of furnace roof observation panel alignment, on the one hand, is easy to observe the situation of body of heater inner chamber, on the other hand, does not the most affect workpiece turnover body of heater inner chamber.
3, heat screen can take different set-up modes, as being embedded in the annular groove of inboard wall of furnace body, or is hung on furnace roof, to meet the practical situation in the course of processing and requirement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of heat screen.
Fig. 3 is the set-up mode schematic diagram I of heat screen.
Fig. 4 is the set-up mode schematic diagram II of heat screen.
Labelling in figure: 1, base, 2, heater, 3, inwall, 4, outer wall, 5, induction coil, 6, furnace roof, 7, observation port, 8, heat screen, 801, endoporus, 9, annular groove, 10, hook.
Detailed description of the invention
Below in conjunction with the accompanying drawings, by detailed description of the invention, this utility model is further described.
nullEmbodiment 1: as shown in the figure，A kind of novel tungsten Medium frequency induction sintering furnace，Body of heater is by base 1、Furnace wall and furnace roof 6 form，Three is separate，Freely-removable，The induction coil 5 of sheathed circle on furnace wall，Described furnace wall is cylindrical，Furnace roof 6 is cone，Furnace wall is made up of inwall 3 and outer wall 4，Inwall 3 is built into zirconia brick，Act primarily as high temperature resistant and heat-blocking action，Outer wall 4 is built into alumina brick，Act primarily as insulation and heat-blocking action，Described induction coil 5 uses copper induction coil，I.e. it is set on alumina brick outer wall 4，By base 1、The cavity that furnace wall and furnace roof 6 surround is body of heater inner chamber，The observation port 7 with body of heater inner space is offered at the top of furnace roof 6，It is easy to body of heater inner chamber be observed and workpiece turnover body of heater inner chamber，It is provided with heater 2 along inwall circumference at body of heater inner chamber，One heat screen being made up of thermostable heat insulation material 8 is set in the junction of inwall 3 and furnace roof 6，Heat screen 8 is annular，Its endoporus 801 aligns with the observation port 7 of furnace roof 6，Body of heater inner chamber is divided into non-power hot-zone and the thermal treatment zone of bottom on top by this heat screen 8，Workpiece is placed on the thermal treatment zone and carries out sensing heating，Heat screen 8 is arranged on inwall 3 by the way of fixing connection，Concrete set-up mode is: when assembling inwall 3 with zirconia brick，Upper end edge inwall 3 circumference at inwall 3 is provided with the annular groove 9 accommodating heat screen 8，Will the outer rim of heat screen 8 be fastened in this annular groove 9 to realize the fixing connection of heat screen 8.
nullEmbodiment 2: as shown in the figure，A kind of novel tungsten Medium frequency induction sintering furnace，Body of heater is by base 1、Furnace wall and furnace roof 6 form，Three is separate，Freely-removable，The induction coil 5 of sheathed circle on furnace wall，Described furnace wall is cylindrical，Furnace roof 6 is cone，Furnace wall is made up of inwall 3 and outer wall 4，Inwall 3 is built into zirconia brick，Act primarily as high temperature resistant and heat-blocking action，Outer wall 4 is built into alumina brick，Act primarily as insulation and heat-blocking action，Described induction coil 5 uses copper induction coil，I.e. it is set on alumina brick outer wall 4，By base 1、The cavity that furnace wall and furnace roof 6 surround is body of heater inner chamber，The observation port 7 with body of heater inner space is offered at the top of furnace roof 6，It is easy to body of heater inner chamber be observed and workpiece turnover body of heater inner chamber，It is provided with heater 2 along inwall 3 circumference at body of heater inner chamber，One heat screen being made up of thermostable heat insulation material 8 is set in the junction of inwall 3 and furnace roof 6，Heat screen 8 is annular，Its endoporus 801 aligns with the observation port 7 of furnace roof 6，Body of heater inner chamber is divided into non-power hot-zone and the thermal treatment zone of bottom on top by this heat screen 8，Workpiece is placed on the thermal treatment zone and carries out sensing heating，Heat screen 8 is arranged on inwall 3 by the way of removably connecting，Concrete set-up mode is: be provided with multiple suspension ring on described heat screen 3，It is provided with multiple hook 10 being hooked on suspension ring at furnace roof 6，Heat screen 8 is hung over furnace roof 6，And the diameter of heat screen 8 closes with the diameter compatible of inwall 3，To avoid being formed between heat screen 8 and inwall 3 gap of heat effusion.
The set-up mode of the heat screen 8 described in above example is not limited to above two mode, as long as enabling to heat screen 8 body of heater inner chamber is divided into upper and lower two parts, and the heat being prevented from lower section is diffused into above heat screen 8.
In actual production process, body of heater inner chamber is divided into non-power hot-zone and the thermal treatment zone of bottom on top by this equipment by arranging heat screen 8, and owing to heat screen 8 self will not heat conduction, prevent from heat effusion to scatter and disappear, and concentrate in the thermal treatment zone, improve the efficiency of heating surface to workpiece, and then reduce the consumption of plant capacity.
Claims (3)
1. a novel tungsten Medium frequency induction sintering furnace, it is characterized in that: body of heater includes base (1), furnace wall, furnace roof (6) and induction coil (5), furnace roof (6) offers observation port (7) in cone, inwall (3) that furnace wall is built into by zirconia brick and the outer wall (4) that alumina brick is built into form, and surround body of heater inner chamber with base (1) and furnace roof (6), described induction coil (5) is set on outer wall (4), it is provided with heater (2) along inwall (3) circumference at body of heater inner chamber, the heat screen (8) of annular is set at inwall (3) and furnace roof (6) connection, body of heater inner chamber is divided into heating chamber and the non-heated chamber on top of bottom, and observation port (7) alignment of the endoporus (801) of heat screen (8) and furnace roof (6).
One the most according to claim 1 novel tungsten Medium frequency induction sintering furnace, it is characterised in that: arranging annular groove (9) at described inwall (3) upper end edge inwall (3) circumference, the outer rim of heat screen (8) is embedded in annular groove (9).
One the most according to claim 1 novel tungsten Medium frequency induction sintering furnace, it is characterised in that: described heat screen (8) is provided with multiple suspension ring, and furnace roof (6) is provided with the suspension hook (10) being hooked on suspension ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180578.4U CN205482353U (en) | 2016-03-10 | 2016-03-10 | Novel tungsten intermediate frequency induction sintering stove |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180578.4U CN205482353U (en) | 2016-03-10 | 2016-03-10 | Novel tungsten intermediate frequency induction sintering stove |
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| CN205482353U true CN205482353U (en) | 2016-08-17 |
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| CN201620180578.4U Active CN205482353U (en) | 2016-03-10 | 2016-03-10 | Novel tungsten intermediate frequency induction sintering stove |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345765A (en) * | 2017-08-31 | 2017-11-14 | 江苏维尔炉业有限公司 | A kind of tank body heating furnace with high-efficiency insulated effect |
-
2016
- 2016-03-10 CN CN201620180578.4U patent/CN205482353U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107345765A (en) * | 2017-08-31 | 2017-11-14 | 江苏维尔炉业有限公司 | A kind of tank body heating furnace with high-efficiency insulated effect |
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