CN108870983A - A kind of vacuum drying oven of optional intake method - Google Patents
A kind of vacuum drying oven of optional intake method Download PDFInfo
- Publication number
- CN108870983A CN108870983A CN201810755599.8A CN201810755599A CN108870983A CN 108870983 A CN108870983 A CN 108870983A CN 201810755599 A CN201810755599 A CN 201810755599A CN 108870983 A CN108870983 A CN 108870983A
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- China
- Prior art keywords
- furnace body
- air inlet
- interior air
- connecting tube
- interior
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/02—Supplying steam, vapour, gases, or liquids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/02—Supplying steam, vapour, gases, or liquids
- F27D2007/023—Conduits
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of vacuum drying ovens of optional intake method,Including furnace body,The furnace body, which is fixed by the bracket, to be mounted on mounting surface,The rear and front end of the furnace body has been movably connected with fire door,The furnace body periphery is provided with several external admission entrances,The external admission entrance ring is uniformly distributed around furnace body,External admission outlet is provided on the furnace body,The furnace body top is provided with interior air inlet,The furnace body bottom end is provided with interior gas entry outlet,The furnace interior is provided with inner furnace body,The inner furnace body is internally provided with reaction chamber,Interlayer is provided between the inner furnace body and furnace body,The present invention is by way of two kinds of disengaging gas of air inlet and external admission in being arranged,Improve the efficiency of gas exchanges,Different disengaging gas modes can be replaced according to process requirements,Adaptability is more extensive,And the pipeline connection type at each air inlet/outlet is simple,It is convenient for safeguarding.
Description
Technical field
The present invention relates to vacuum drying oven technical field, specially a kind of vacuum drying oven of optional intake method.
Background technique
Vacuum drying oven utilizes vacuum system that is, in this particular space of furnace chamber(By vacuum pump, vacuum measuring device, vacuum
The elements such as valve by assembling meticulously)Furnace chamber inner part substance is discharged, less than one normal atmosphere of pressure in furnace chamber is made
Pressure, furnace cavity space is to realize vacuum state.Vacuum drying oven is the equipment heated in vacuum environment, in metal housing or
Coupled with pipeline with high-vacuum pump system in the burner hearth of quartz glass cover sealing, burner hearth vacuum degree is up to 133 × (10-2~10-
4)Pa.Heating system can directly use resistance furnace silk (such as tungsten wire) electrified regulation in furnace, it is also possible to high-frequency induction heating, maximum temperature
Up to 3000 DEG C or so.It is mainly used for ceramic firing, vacuum metling, the degasification of electrovacuum part, annealing, the soldering of metalwork, with
And Ceramic-to-metal seal etc..The disengaging gas mode that current vacuum drying oven uses is single, is mostly anti-by opening up connection on furnace body
The air inlet/outlet of chamber is answered, flexible modulation cannot pass in and out gas mode according to actual needs, applicability is relatively narrow.
Summary of the invention
The purpose of the present invention is to provide a kind of vacuum drying ovens of optional intake method, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the present invention provides the following technical solutions:
A kind of vacuum drying oven of optional intake method, including furnace body, the furnace body, which is fixed by the bracket, to be mounted on mounting surface, institute
The rear and front end for stating furnace body has been movably connected with fire door, and the furnace body periphery is provided with several external admission entrances, it is described it is outer into
Gas entrance ring is uniformly distributed around furnace body, external admission outlet is provided on the furnace body, the furnace body top is provided with interior air inlet and enters
Mouthful, the furnace body bottom end is provided with interior gas entry outlet, and the furnace interior is provided with inner furnace body, and the inner furnace body is internally provided with
Reaction chamber is provided with interlayer between the inner furnace body and furnace body.
Preferably, the interior of the furnace body is provided with vacuum interlayer.
Preferably, the sidewall surfaces of the inner furnace body are covered with insulation board.
Preferably, the external admission entrance includes external admission input pipe, and the external admission input pipe is fixedly mounted on furnace body
On, and one end of external admission input pipe extends in interlayer, the other end is arranged outside furnace body, the external admission input pipe setting
One end outside furnace body is provided with connecting flange, is provided on the inner furnace body with external admission entrance, external admission outlet one by one
Corresponding through-hole.
Preferably, the interior air inlet includes interior air inlet input pipe, and the interior air inlet input pipe is fixed at furnace body
On, and the bottom end of interior air inlet input pipe extends in interlayer, the interior air inlet input pipe bottom end is connected with the first connecting tube, described
First connecting tube extends to inside reaction chamber through inner furnace body side wall.
Preferably, the first internal screw thread is provided on the inner sidewall of the interior air inlet input pipe bottom end, in first connecting tube
It is provided with the first external screw thread corresponding with the first internal screw thread, first connecting tube and interior air inlet input pipe pass through spiral shell in first
Line and the first externally threaded intermesh are fixed together, and the interior air inlet input pipe bottom end is provided with sealing ring, described
Seal ring set is in the first connecting tube periphery.
Preferably, first connecting tube bottom end is connected in fixed block, and the fixed block is located inside reaction chamber, described
Aeration tube is fixedly installed on fixed block, the aeration tube is horizontally disposed, and the aeration tube surface is provided with several be uniformly distributed
Solarization air cap, first connecting tube is communicated in aeration tube.
Preferably, the interior gas entry outlet includes interior air inlet efferent duct, and the interior air inlet efferent duct is fixedly mounted on furnace body
On, the top of the interior air inlet efferent duct extends to inside interlayer, and the interior air inlet efferent duct interior side-wall surface is provided with second
Internal screw thread, the interior air inlet efferent duct top have been connected through a screw thread the second connecting tube, have set on the second connecting tube lateral wall
It is equipped with the second external screw thread corresponding with the second internal screw thread, second connecting tube top extends to reaction through inner furnace body side wall
Intracavitary portion, the outer side wall surface that second connecting tube is located in reaction chamber are provided with third external screw thread, set in the reaction chamber
It is equipped with exhaust block, the exhaust block is threadedly attached in the second connecting tube, and several uniform points are provided on the exhaust block
The gas vent of cloth.
Compared with prior art, the beneficial effects of the invention are as follows:External admission entrance and interior is provided on vacuum furnace body
Air inlet, the gas that external admission entrance is filled with enters interlayer, then is entered inside reaction chamber by the through-hole on inner furnace body, it is interior into
The gas that gas inlet is filled with is directly entered inside reaction chamber, is again provided with external admission outlet and interior gas entry outlet, external admission
Into interlayer, interior gas entry outlet is communicated in reaction chamber outlet, so that and vacuum drying oven has different disengaging gas modes,
External admission entrance and interior air inlet, external admission outlet and interior gas entry outlet can also be opened simultaneously, accelerate gas exchanges
Speed, improve working efficiency;Vacuum interlayer and insulation board can prevent furnace interior heat from spilling into outside, improve heating effect
Rate.The present invention improves the efficiency of gas exchanges by way of two kinds of disengaging gas of air inlet and external admission in being arranged, being capable of basis
Process requirements replace different disengaging gas modes, and adaptability is more extensive, and the pipeline connection type at each air inlet/outlet is simple,
It is convenient for safeguarding.
Detailed description of the invention
Fig. 1 is a kind of positive structure schematic of the vacuum drying oven of optional intake method;
Fig. 2 is a kind of positive schematic diagram of internal structure of the vacuum drying oven of optional intake method;
Fig. 3 is the enlarged drawing in a kind of vacuum drying oven of optional intake method at A;
Fig. 4 is the enlarged drawing in a kind of vacuum drying oven of optional intake method at B;
Fig. 5 is the enlarged drawing in a kind of vacuum drying oven of optional intake method at C;
Fig. 6 is a kind of lateral inner structural schematic diagram of the vacuum drying oven of optional intake method.
In figure:1- furnace body, 2- fire door, 3- bracket, 4- external admission entrance, 5- external admission export, air inlet in 6-, in 7-
Gas entry outlet, 8- vacuum interlayer, 9- reaction chamber, 10- inner furnace body, 11- interlayer, 12- through-hole, 13- external admission input pipe, 14- connect
Acting flange, air inlet input pipe in 15-, the first connecting tube of 16-, the first internal screw thread of 17-, 18- sealing ring, 19- fixed block, 20- expose
Tracheae, air inlet efferent duct in 21-, the second connecting tube of 22-, 23- exhaust block, the second internal screw thread of 24-, 25- third external screw thread, 26-
Gas vent.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1~6 are please referred to, the present invention provides a kind of technical solution:A kind of vacuum drying oven of optional intake method, including furnace
Body 1, the furnace body 1 are fixedly mounted on mounting surface by bracket 3, and the rear and front end of the furnace body 1 has been movably connected with furnace
Door 2,1 periphery of furnace body are provided with several external admission entrances 4, and the external admission entrance 4 is uniformly distributed around furnace body 1, described
External admission outlet 5 is provided on furnace body 1,1 top of furnace body is provided with interior air inlet 6, and 1 bottom end of furnace body is provided with interior
Gas entry outlet 7, the furnace body 1 are internally provided with inner furnace body 10, and the inner furnace body 10 is internally provided with reaction chamber 9, the interior furnace
Interlayer 11 is provided between body 10 and furnace body 1.
The interior of the furnace body 1 is provided with vacuum interlayer 8.
The sidewall surfaces of the inner furnace body 10 are covered with insulation board.
The external admission entrance 4 includes external admission input pipe 13, and the external admission input pipe 13 is fixedly mounted on furnace body 1
On, and one end of external admission input pipe 13 extends in interlayer 11, the other end is arranged outside furnace body 1, the external admission input
One end that pipe 13 is arranged in outside furnace body 1 is provided with connecting flange 14, be provided on the inner furnace body 10 with external admission entrance 4,
External admission exports 5 one-to-one through-holes 12.
The interior air inlet 6 includes interior air inlet input pipe 15, and the interior air inlet input pipe 15 is fixed at furnace body 1
On, and the bottom end of interior air inlet input pipe 15 extends in interlayer 11, interior 15 bottom end of air inlet input pipe is connected with the first connection
Pipe 16, first connecting tube 16 extend to inside reaction chamber 9 through 10 side wall of inner furnace body.
It is provided with the first internal screw thread 17 on the 15 bottom end inner sidewall of interior air inlet input pipe, is set in first connecting tube 16
It is equipped with first external screw thread corresponding with the first internal screw thread 17, first connecting tube 16 and interior air inlet input pipe 15 pass through first
Internal screw thread 17 and the first externally threaded intermesh are fixed together, and interior 15 bottom end of air inlet input pipe is provided with sealing
Ring 18,18 sets of the sealing ring in 16 periphery of the first connecting tube.
First connecting tube, 16 bottom end is connected in fixed block 19, and the fixed block 19 is located inside reaction chamber 9, described
Aeration tube 20 is fixedly installed on fixed block 19, the aeration tube 20 is horizontally disposed, and 20 surface of the aeration tube is provided with several
Equally distributed solarization air cap, first connecting tube 16 are communicated in aeration tube 20, and aeration tube 20 enables gas more equal
It is distributed to inside reaction chamber 9 evenly.
The interior gas entry outlet 7 includes interior air inlet efferent duct 21, and the interior air inlet efferent duct 21 is fixedly mounted on furnace body 1
On, the top of the interior air inlet efferent duct 21 extends to inside interlayer 11, interior 21 interior side-wall surface of the air inlet efferent duct setting
There is the second internal screw thread 24, interior 21 top of air inlet efferent duct has been connected through a screw thread the second connecting tube 22, second connection
Second external screw thread corresponding with the second internal screw thread 24 is provided on 22 lateral wall of pipe, 22 top of the second connecting tube is through interior
10 side wall of furnace body extends to inside reaction chamber 9, and the outer side wall surface that second connecting tube 22 is located in reaction chamber 9 is provided with
Three external screw threads 25 are provided with exhaust block 23 in the reaction chamber 9, and the exhaust block 23 is threadedly attached in the second connecting tube 22
On, several equally distributed gas vents 26 are provided on the exhaust block 23.
The working principle of the invention is:External admission entrance 4 and interior air inlet 6 are provided on vacuum furnace body, outside into
The gas that gas entrance 4 is filled with enters interlayer 11, then is entered inside reaction chamber 9 by the through-hole 12 on inner furnace body 10, and interior air inlet enters
The gas being filled at mouth 6 is directly entered inside reaction chamber 9, is again provided with external admission outlet 5 and interior gas entry outlet 7, external admission
Outlet 5 is communicated in interlayer 11, and interior gas entry outlet 7 is communicated in reaction chamber 9, so that vacuum drying oven has different disengaging gas
Mode can also open external admission entrance 4 and interior air inlet 6, external admission outlet 5 and interior gas entry outlet 7 simultaneously, accelerate
The speed of gas exchanges improves working efficiency;Vacuum interlayer 8 and insulation board can prevent 1 internal heat of furnace body from spilling into outside,
Improve heating efficiency.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of vacuum drying oven of optional intake method, including furnace body(1), it is characterised in that:The furnace body(1)Pass through bracket
(3)It is fixedly mounted on mounting surface, the furnace body(1)Rear and front end be movably connected with fire door(2), the furnace body(1)
Periphery is provided with several external admission entrances(4), the external admission entrance(4)Around furnace body(1)It is uniformly distributed, the furnace body(1)
On be provided with external admission outlet(5), the furnace body(1)Top is provided with interior air inlet(6), the furnace body(1)Bottom end setting
There is interior gas entry outlet(7), the furnace body(1)It is internally provided with inner furnace body(10), the inner furnace body(10)It is internally provided with reaction
Chamber(9), the inner furnace body(10)And furnace body(1)Between be provided with interlayer(11).
2. a kind of vacuum drying oven of optional intake method according to claim 1, it is characterised in that:The furnace body(1)'s
Interior is provided with vacuum interlayer(8).
3. a kind of vacuum drying oven of optional intake method according to claim 1, it is characterised in that:The inner furnace body(10)
Sidewall surfaces be covered with insulation board.
4. a kind of vacuum drying oven of optional intake method according to claim 1, it is characterised in that:The external admission entrance
(4)Including external admission input pipe(13), the external admission input pipe(13)It is fixedly mounted on furnace body(1)On, and external admission inputs
Pipe(13)One end extend to interlayer(11)In, the other end is arranged in furnace body(1)Outside, the external admission input pipe(13)Setting
In furnace body(1)External one end is provided with connecting flange(14), the inner furnace body(10)On be provided with and external admission entrance(4),
External admission outlet(5)One-to-one through-hole(12).
5. a kind of vacuum drying oven of optional intake method according to claim 1, it is characterised in that:The interior air inlet
(6)Including interior air inlet input pipe(15), the interior air inlet input pipe(15)It is fixed at furnace body(1)On, and interior air inlet inputs
Pipe(15)Bottom end extend to interlayer(11)In, the interior air inlet input pipe(15)Bottom end is connected with the first connecting tube(16), institute
State the first connecting tube(16)Through inner furnace body(10)Side wall extends to reaction chamber(9)It is internal.
6. a kind of vacuum drying oven of optional intake method according to claim 5, it is characterised in that:The interior air inlet input
Pipe(15)The first internal screw thread is provided on the inner sidewall of bottom end(17), first connecting tube(16)On be provided with and the first internal screw thread
(17)Corresponding first external screw thread, first connecting tube(16)With interior air inlet input pipe(15)Pass through the first internal screw thread(17)
It is fixed together with the first externally threaded intermesh, the interior air inlet input pipe(15)Bottom end is provided with sealing ring
(18), the sealing ring(18)It covers in the first connecting tube(16)Periphery.
7. a kind of vacuum drying oven of optional intake method according to claim 5, it is characterised in that:First connecting tube
(16)Bottom end is connected to fixed block(19)In, the fixed block(19)Positioned at reaction chamber(9)Inside, the fixed block(19)It is upper solid
Surely it is provided with aeration tube(20), the aeration tube(20)It is horizontally disposed, the aeration tube(20)Surface is provided with several uniform points
The solarization air cap of cloth, first connecting tube(16)It is communicated to aeration tube(20)In.
8. a kind of vacuum drying oven of optional intake method according to claim 1, it is characterised in that:The interior gas entry outlet
(7)Including interior air inlet efferent duct(21), the interior air inlet efferent duct(21)It is fixedly mounted on furnace body(1)On, the interior air inlet is defeated
Outlet pipe(21)Top extend to interlayer(11)Inside, the interior air inlet efferent duct(21)Interior side-wall surface is provided with spiral shell in second
Line(24), the interior air inlet efferent duct(21)Top has been connected through a screw thread the second connecting tube(22), second connecting tube
(22)It is provided on lateral wall and the second internal screw thread(24)Corresponding second external screw thread, second connecting tube(22)Top is passed through
Wear inner furnace body(10)Side wall extends to reaction chamber(9)Inside, second connecting tube(22)Positioned at reaction chamber(9)In lateral wall
Surface is provided with third external screw thread(25), the reaction chamber(9)In be provided with exhaust block(23), the exhaust block(23)Pass through spiral shell
Line is connected to the second connecting tube(22)On, the exhaust block(23)On be provided with several equally distributed gas vents(26).
Priority Applications (1)
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CN201810755599.8A CN108870983A (en) | 2018-07-11 | 2018-07-11 | A kind of vacuum drying oven of optional intake method |
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CN201810755599.8A CN108870983A (en) | 2018-07-11 | 2018-07-11 | A kind of vacuum drying oven of optional intake method |
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CN201810755599.8A Pending CN108870983A (en) | 2018-07-11 | 2018-07-11 | A kind of vacuum drying oven of optional intake method |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0535319A1 (en) * | 1991-10-01 | 1993-04-07 | Ipsen Industries International Gesellschaft Mit Beschränkter Haftung | Vacuum furnace for plasma carburization of metallic workpieces |
CN2832826Y (en) * | 2005-09-17 | 2006-11-01 | 大连海事大学 | Impulsive discharge catalyzed chemical heat treatment device |
CN202968644U (en) * | 2012-12-24 | 2013-06-05 | 成都中科唯实仪器有限责任公司 | Vacuum heat treatment furnace for surface of metal coiled tape |
CN103949132A (en) * | 2014-05-19 | 2014-07-30 | 英利能源(中国)有限公司 | Dust removal equipment |
CN103978210A (en) * | 2014-06-06 | 2014-08-13 | 海安县鹰球粉末冶金有限公司 | Vacuum and protective atmosphere sintering furnace of metal powder injection molding part |
CN108020039A (en) * | 2017-12-11 | 2018-05-11 | 江西省萍乡市南坑高压电瓷厂 | A kind of electroceramics drying equipment and its control method |
-
2018
- 2018-07-11 CN CN201810755599.8A patent/CN108870983A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0535319A1 (en) * | 1991-10-01 | 1993-04-07 | Ipsen Industries International Gesellschaft Mit Beschränkter Haftung | Vacuum furnace for plasma carburization of metallic workpieces |
CN2832826Y (en) * | 2005-09-17 | 2006-11-01 | 大连海事大学 | Impulsive discharge catalyzed chemical heat treatment device |
CN202968644U (en) * | 2012-12-24 | 2013-06-05 | 成都中科唯实仪器有限责任公司 | Vacuum heat treatment furnace for surface of metal coiled tape |
CN103949132A (en) * | 2014-05-19 | 2014-07-30 | 英利能源(中国)有限公司 | Dust removal equipment |
CN103978210A (en) * | 2014-06-06 | 2014-08-13 | 海安县鹰球粉末冶金有限公司 | Vacuum and protective atmosphere sintering furnace of metal powder injection molding part |
CN108020039A (en) * | 2017-12-11 | 2018-05-11 | 江西省萍乡市南坑高压电瓷厂 | A kind of electroceramics drying equipment and its control method |
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Application publication date: 20181123 |