CN105890296A - Safe and high-efficient tunnel-type vacuum oven - Google Patents
Safe and high-efficient tunnel-type vacuum oven Download PDFInfo
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- CN105890296A CN105890296A CN201510985161.5A CN201510985161A CN105890296A CN 105890296 A CN105890296 A CN 105890296A CN 201510985161 A CN201510985161 A CN 201510985161A CN 105890296 A CN105890296 A CN 105890296A
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- circulation system
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- vacuum oven
- type vacuum
- heating circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B9/00—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards
- F26B9/06—Machines or apparatus for drying solid materials or objects at rest or with only local agitation; Domestic airing cupboards in stationary drums or chambers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
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- Mechanical Engineering (AREA)
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Abstract
The invention discloses a safe and high-efficient tunnel-type vacuum oven. The safe and high-efficient tunnel-type vacuum oven comprises an inner box; two ends of the inner box are through; the safe and high-efficient tunnel-type vacuum oven further comprises an outer box and at least one heating circulation system; the inner box is wrapped by the outer box in a sealed manner; the outer box consists of multiple outer box walls corresponding to the inner box; a sealed heating cavity is arranged between the inner box and the outer box; the at least one heating circulation system is arranged on the outer part of the outer box; the heating circulation system transmits heated gas circularly to the sealed heating cavity through a gas transmission path; and the heated gas is guided out to the heating circulation system through the gas transmission path. According to the safe and high-efficient tunnel-type vacuum oven, the outer box and the heating circulation system are adopted, and a heating circulation system circularly heats the sealed heating cavity, so that temperature in the sealed heating cavity uniformly rises; the heating circulation system is arranged on the outer part of the outer box; when the heating circulation system is damaged, the heating circulation system can be directly maintained without disassembling the outer box; and the safe and high-efficient tunnel-type vacuum oven has the advantages of simple structure, low cost, heating uniformity, convenient maintenance, high safety and the like.
Description
Technical field
The invention belongs to the baking technology field of lithium ion battery or electrode, especially relate to a kind of safe and efficient tunnel type vacuum oven.
Background technology
In the baking of existing lithium ion battery or electrode, all can use the hot tank that adds of both ends open, and heat adding hot tank.And heating board is mainly fitted in the outside adding hot tank by traditional heating mode, a length of box body wall of 2 meters is placed with 10-20 block heating board, add hot tank and have altogether 4 box body walls, this is accomplished by being fitted on box body wall about 45 pieces of heating boards, if total length is 20 meters multiple adds hot tank, then need altogether about 450 pieces of heating boards.
During heating, need the heating-up temperature of each piece of heating board is individually controlled, if using temperature control system to two or more heating boards temperature control simultaneously, because its heat generation characteristic can not be completely the same, so that each point non-uniform temperature, cause temperature control, even can induce fire.By foregoing it is recognised that existing technology there are the following problems: 1. heating board has the biggest thermograde, presses close to 1mm temperature and may differ from tens degree, when heating board breaks down, the temperature of trouble point will not increase, and thus can make to add hot tank heating uneven, induce unsafe accident and occur；2. adding the multiple heating board of hot tank needs, not only structure is complicated, adds cost, also takes up installing space；3. have employed multiple control point, be once short-circuited, be heat-preservation cotton owing to adding the outside of hot tank, its temperature tolerance about 600 degree, the too high fire that will cause of temperature, the probability that safety problem occurs is big；4. it is built in heat-preservation cotton due to heating board, changes every time and be required for taking heat-preservation cotton apart, not only keep in repair extremely difficult, at least take time more than 3 hours, also heat-preservation cotton can be damaged.
Summary of the invention
In order to overcome the problems referred to above, invent and provide a kind of simple in construction, low cost, homogeneous heating, the safe and efficient tunnel type vacuum oven that easy to maintenance and security performance is high to society.
The technical scheme of invention is: providing a kind of safe and efficient tunnel type vacuum oven, including interior case, the two ends of described interior case are through, also include:
Outer container, described outer container seals and is coated with described interior case, and described outer container has the external box wall of the described interior case of multiple correspondence and formed, has a heated sealed chamber between described interior case and described outer container；
At least one heating circulation system, described heating circulation system is arranged in the outside of described outer container, described heating circulation system passes through in the gas circulating transfer extremely described heated sealed chamber after gas transport path will heat, and derives to described heating circulation system via described gas transport path.
As the improvement to invention, described heating circulation system includes heater and the air current circulation configured with described heater.
As the improvement to invention, described external box wall adiabator is made.
As the improvement to invention, described gas transport path includes induction pathway and outlet gas flow path, described heated sealed chamber has defined at least one air inlet and at least one venthole respectively, the air inlet of described heating circulation system is connected with described air inlet by described induction pathway, and the gas outlet of described heating circulation system is connected with described venthole by described outlet gas flow path.
It is oppositely disposed on two described external box walls as the improvement to invention, at least one described air inlet and at least one described venthole.
As the improvement to invention, at least one described air inlet is arranged on the described external box wall of bottom.
As the improvement to invention, at least one described venthole is arranged on the described external box wall at top.
As the improvement to invention, also including gas flow control system, described gas flow control system is for regulating gas flow direction in described heated sealed chamber.
As the improvement to invention, described gas flow control system includes temperature sensing part, controls device and air-flow regulating part, described temperature sensing part and described air-flow regulating part are arranged in described heated sealed chamber, described temperature sensing part is electrically connected with described control device, and described control device controls described air-flow regulating part and is adjusted the flow direction of gas.
As the improvement to invention, also including sealing pumped vacuum systems, the two ends of described interior case are sealed and to described interior case evacuation by described sealing pumped vacuum systems.
Invention is owing to have employed outer container and heating circulation system, and outer container seals case in cladding, and the heated sealed chamber between the internal case of heating circulation system and outer container is circulated heating, makes the temperature in heated sealed chamber uniformly be increased；Heating circulation system is arranged on the outside of outer container, when heating circulation system damages, directly can keep in repair heating circulation system, it is not necessary to taken apart by outer container, has simple in construction, low cost, homogeneous heating, easy to maintenance and security performance advantages of higher.
Accompanying drawing explanation
Fig. 1 is the perspective view inventing a kind of embodiment.
Fig. 2 is the cross-sectional schematic of Fig. 1.
Fig. 3 is the perspective view of the another kind of embodiment of invention.
Fig. 4 is the perspective view inventing the third embodiment.
Wherein: 1. case in；11. internal box walls；2. outer container；21. external box walls；3. heated sealed chamber；4. seal connector；5. heating circulation system；51. heaters；52. air current circulations；53. outlet gas flow path；54. induction pathway.
Detailed description of the invention
In the description of invention, it will be appreciated that, in term, orientation or the position relationship of the instruction such as " " center ", " on ", D score, "front", "rear", "left", "right" be based on orientation shown in the drawings or position relationship; be for only for ease of description invention and simplifying and describe; rather than instruction or the device of hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the restriction invented.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " connection ", " being connected " should be interpreted broadly, for example, it may be fixing connection, it is also possible to it is to dismantle connection, or is integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the above-mentioned term concrete meaning in invention can be understood with concrete condition.Additionally, in the description of invention, except as otherwise noted, " multiple ", " some " are meant that two or more.
Referring to disclosed in Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 is a kind of embodiment of a kind of safe and efficient tunnel type vacuum oven, and including interior case 1, the two ends of described interior case 1 are through, also include:
Outer container 2, described outer container 2 seals and is coated with described interior case 1, and described outer container 2 has the external box wall 21 of the described interior case 1 of multiple correspondence and formed, has a heated sealed chamber 3 between described interior case 1 and described outer container 2；
At least one heating circulation system 5, described heating circulation system 5 is arranged in the outside of described outer container 2, described heating circulation system 5 passes through in the gas circulating transfer extremely described heated sealed chamber 3 after gas transport path will heat, and derives to described heating circulation system 5 via described gas transport path.Described gas transport path along the surface configuration of described external box wall 21, the most described heating circulation system 5 by the described gas transport path of the surface configuration along described external box wall 21 by the gas circulating transfer after heating to described heated sealed chamber 3.
In the present embodiment, described interior case 1 is surrounded by four internal box walls 11 and is formed, and described interior case 1 is made up of metal material.Being provided with quick conductive structure (picture) on four described internal box walls 11 in described heated sealed chamber 3, described quick conductive structure is heat conduction projection, convex tendon and/or fold, and described quick conductive structure adds the surface area of four described internal box walls 11.When described quick conductive structure is described convex tendon, wind guide tank is formed between two adjacent described convex tendons, the direction of described wind guide tank is consistent with gas flow direction in described heated sealed chamber 3, that is gas can be moved rapidly in described heated sealed chamber 3 by described wind guide tank, and is heated by described interior case 1.
In the present embodiment, the structure of described outer container 2 is: be provided with four described external box walls 21 on the locus of four described spaced preset distances of internal box wall 11, and four described external box walls 21 surround the described outer container 2 of formation being enclosed in by described interior case 1 and surround in space.The described external box wall 21 being positioned at top can be with camber structure, and described external box wall 21 adiabator is made, and described adiabator is glass fibre, asbestos, rock wool, silicate or evacuated panel etc..When described external box wall 21 is described evacuated panel, being provided with heat-reflecting material on the inner surface of described evacuated panel, described heat-reflecting material is the polyester of gold, silver, nickel, aluminium foil or plating, Kapton etc..
In the present embodiment, described heated sealed chamber 3 can be that the side of described external box wall 21 is coated on described internal box wall 11 formation, is i.e. provided with outer cladding structure on the side of described external box wall 21, and described outer cladding structure is tightly connected with described internal box wall 11.Described heated sealed chamber 3 can also is that the side of described internal box wall 11 is coated on described external box wall 21 formation, is i.e. provided with interior clad structure on the side of described internal box wall 11, and described interior clad structure is tightly connected with described external box wall 21.Described heated sealed chamber 3 can also is that following structure: is provided with seal connector 4 between described internal box wall 11 and described external box wall 21, described seal connector 4 is tightly connected with described internal box wall 11 and described external box wall 21 respectively, and described internal box wall 11, described seal connector 4 and described external box wall 21 collectively form described heated sealed chamber 3.Regardless of structure, described outer cladding structure, described interior clad structure or described seal connector 4 all use adiabator to make.
In the present embodiment, described heating circulation system 5 can be arranged on described external box wall 21, and described heating circulation system 5 is not arranged on described external box wall 21 away from described external box wall 21, the most described heating circulation system 5.Described heating circulation system 5 includes heater 51 and the air current circulation 52 with the configuration of described heater 51.It is provided with multiple electrical heating elements in described heater 51, multiple described electrical heating elements are separate to be heated, so benefit of design is, when wherein one or more described, electrical heating elements damages, not interfering with the heating of other described electrical heating elements, the most whole described heater 51 is still normally carried out heating；Described air current circulation 52 is blower fan.
Described heating circulation system 5 also includes that malfunction elimination acquisition system (picture), described malfunction elimination acquisition system include data acquisition module, data processing module, display screen, wireless and/or wire communication module.When the one or more described electrical heating elements in wherein said heater 51 damages and does not works, described data acquisition module will gather related data, by described data processing module out after, described display screen shows, but also by described wireless or wire communication module, relevant data are sent on the communicating terminal of user, remind user to change the described electrical heating elements of damage in time.
Described heating circulation system 5 also includes controlling switch module (picture), and described control switch module is electrically connected with described heater 51 and described blower fan, and described control switch module controls described heater 51 and the work of described blower fan respectively.
Described heating circulation system 5 also includes that temperature monitoring module (picture) and the alarm module (picture) being electrically connected with described temperature monitoring module, described control switch module and described temperature monitoring module are electrically connected with.When the temperature during described temperature monitoring module detects described interior case 1 is too high, the temperature data monitored will be transferred to described control switch module by described temperature monitoring module, described control switch module controls described heater 51 and stops heating, described air current circulation 52 works on, described heated sealed chamber 3 is lowered the temperature, and the most described control switch module controls described alarm module and reports to the police.Described alarm module is that loudspeaker, light crossing-signal are or/and audible-visual annunciator.
Described heating circulation system 5 also includes intelligence control system (picture), according to the quantity and performance parameter of toasting material in described interior case 1, described intelligence control system show that described interior case 1 needs the temperature reached, the one or more described electrical heating elements that the most described intelligence control system automatically controls in described heater 51 heats, and related datas such as needing the temperature of heating is sent on the terminal unit of user by described intelligence control system, user just it will be seen that relevant information during baking material by terminal unit, material can be lithium ion battery, electrode and other charging components and parts, here material can also is that other non-electronic components and parts.
In the present embodiment, described gas transport path includes induction pathway 54 and outlet gas flow path 53, described heated sealed chamber 3 has defined at least one air inlet and at least one venthole respectively, the air inlet of described heating circulation system 5 is connected with described air inlet by described induction pathway 54, and the gas outlet of described heating circulation system 5 is connected with described venthole by described outlet gas flow path 53.
Described induction pathway 54 can be air inlet pipe, and described air inlet pipe is arranged on the outer surface of described external box wall 21；Can also be provided with air inlet groove on described external box wall 21, described air inlet pipe is arranged in described air inlet groove；Or described air inlet pipe is embedded in the material constituting described external box wall 21, and the most described air inlet pipe is embedded in described external box wall 21.Described induction pathway 54 can also is that inlet channel, described inlet channel are arranged in the material constituting described external box wall 21, and the most described inlet channel is arranged in described external box wall 21.
Described outlet gas flow path 53 can be escape pipe, and described escape pipe is arranged on the outer surface of described external box wall 21；Groove of giving vent to anger can also be provided with on described external box wall 21, described escape pipe be arranged on described in give vent to anger in groove；Or described escape pipe is embedded in the material constituting described external box wall 21, and the most described escape pipe is embedded in described external box wall 21.Described outlet gas flow path 53 can also is that outlet passageway, described outlet passageway are arranged in the material constituting described external box wall 21, and the most described outlet passageway is arranged in described external box wall 21.
In the present embodiment, described induction pathway 54 uses described air inlet pipe, and described outlet gas flow path 53 uses described escape pipe, described air inlet pipe and described escape pipe and uses what adiabator was made.The air inlet of described heater 51 is connected with described air inlet by described air inlet pipe, the gas outlet of described heater 51 is connected with described venthole by described escape pipe, described air current circulation 52 makes described air inlet pipe, described heated sealed chamber 3, forms circulating current between described escape pipe and described heater 51, during circulating, described heated sealed chamber 3 is uniformly heated by the high temperature gas flow after described heater 51 heats.
In the present embodiment, the connection that described heating circulation system 5 is detachable with described gas transport path, the connection that the most described air inlet pipe is detachable with the air inlet of described heater 51, the connection that described escape pipe is detachable with the gas outlet of described heater 51.
In the present embodiment, the quantity of described air inlet is one, and the quantity of described venthole is also one, and described air inlet and described venthole are arranged on described external box wall 21, and air inlet described in one and described venthole are oppositely disposed on two described external box walls 21.Specifically, described air inlet is arranged on the described external box wall 21 of bottom, and described venthole is arranged on the described external box wall 21 at top, and so the benefit of design is that gas slowly rises from bottom, uniformly heats described heated sealed chamber 3.Described air inlet and described venthole can also be arranged on the described external box wall 21 of both sides (not drawing).
Described air inlet is arranged on the centre position of described external box wall 21, and described venthole is arranged on the centre position of described external box wall 21.So benefit of design is, flow into the gas described heated sealed chamber 3 from described air inlet and be divided into two parts, one part is flowed out from described venthole by left chamber, another part is flowed out from described venthole by right chamber, and described left chamber and the symmetrical shape of described right chamber, the most described left chamber is the same big with the volume of described right chamber, is so more beneficial for the uniform heating of described heated sealed chamber 3.
In the present embodiment, also including gas flow control system (not showing on figure), described gas flow control system is for regulating gas flow direction in described heated sealed chamber 3.
Described gas flow control system includes temperature sensing part, controls device and air-flow regulating part, described temperature sensing part and described air-flow regulating part are arranged in described heated sealed chamber 3, described temperature sensing part is electrically connected with described control device, and described control device controls described air-flow regulating part and is adjusted the flow direction of gas.When during described temperature sensing part detects described left chamber or described right chamber, any one temperature is too low, described control device will control described air-flow regulating part and rotate, and makes the gas flow flowing to described left chamber or described right chamber increase.
In the present embodiment, it is additionally provided with gas dispersing system in described heated sealed chamber 3, gas after being regulated by described gas flow control system enters into described gas dispersing system, described gas dispersing system includes left disperse system and right disperse system, enter into the gas in described left disperse system to rise from the bottom of described heated sealed chamber 3 equably, and uniformly across described left chamber, finally flow out from described venthole.Enter into the gas in described right disperse system to rise from the bottom of described heated sealed chamber 3 equably, and uniformly across described right chamber, finally flow out from described venthole.So benefit of design is that, during heating, described left chamber and described right chamber do not have dead band, say, that whole described left chamber and described right chamber all can have gas to flow through.
In the present embodiment, also include sealing pumped vacuum systems (picture), the two ends of described interior case 1 are sealed and to described interior case 1 evacuation by described sealing pumped vacuum systems, and described sealing pumped vacuum systems includes hermatic door and the vacuum extractor being arranged on the two ends of described interior case 1.
In the present embodiment, also including heat-insulation layer (picture), described heat-insulation layer is arranged on the outer surface of described external box wall 21, and described heat-insulation layer prevents heat from dispelling the heat away from described external box wall 21.
Referring to disclosed in Fig. 3, Fig. 3 is the another kind of embodiment of a kind of safe and efficient tunnel type vacuum oven, and its structure is essentially identical with the structure of embodiment shown in Fig. 1 and Fig. 2, the most no longer repeats identical structure, refers to foregoing in detail.Difference is, have employed two described heating circulation systems 5, that is two described heating circulation systems 5 are used to heat to described heated sealed chamber 3, two described heating circulation systems 5 can be arranged on the same side of described outer container 2, and two described heating circulation systems 5 can also be arranged on the not homonymy of described outer container 2 (picture).Can also use three, four, multiple described heating circulation systems 5 such as five, it arranges orientation and can arrange according to actual needs, illustrates the most one by one.
Referring to disclosed in Fig. 4, Fig. 4 is the another kind of embodiment of a kind of safe and efficient tunnel type vacuum oven, and its structure is essentially identical with the structure of embodiment shown in Fig. 1 and Fig. 2, the most no longer repeats identical structure, refers to foregoing in detail.Difference is:
In the present embodiment, the quantity of described venthole is three, and three described ventholes are on the described external box wall 21 being positioned at top, and three described ventholes are connected with the air inlet of described heater 51 by outlet pipe.The quantity of described air inlet is three, and three described air inlets are on the described external box wall 21 being positioned at bottom, and three described air inlets are connected with the gas outlet of described heater 51 by admission line.
Three described air inlets are sequentially arranged on the centre position of described external box wall 21 along the length direction of described external box wall 21, and three described ventholes are sequentially arranged on the centre position of described external box wall 21 along the length direction of described external box wall 21.So benefit of design is, flow into the gas described heated sealed chamber 3 from described air inlet and be divided into two parts, one part is flowed out from described venthole by left chamber, another part is flowed out from described venthole by right chamber, and described left chamber and the symmetrical shape of described right chamber, the most described left chamber is the same big with the volume of described right chamber, is so more beneficial for the uniform heating of described heated sealed chamber 3.
In the present embodiment, the quantity of described venthole can also is that two, four, five etc., the most no longer enumerates, and the quantity of described air inlet can also is that one, two, four, five etc., the most no longer enumerates.
In the present embodiment, also including the air intake valve (do not draw) identical with the quantity of described air inlet, described air intake valve arranges on the induction pathway 54 corresponding with described air inlet, is used for controlling the on an off of corresponding described air inlet.Also include the give vent to anger valve (do not draw) identical with the quantity of described venthole, described in valve of giving vent to anger arrange on the outlet gas flow path 53 corresponding with described venthole, for controlling the on an off of corresponding described venthole.
Due to the fact that and have employed described outer container 1 and described heating circulation system, described outer container 2 seals and is coated with described interior case 1, described heating circulation system is circulated heating to the described heated sealed chamber 3 between described interior case 1 and described outer container 2, makes the temperature in described heated sealed chamber 3 uniformly be increased；Described heating circulation system is arranged on the outside of described outer container 1, when described heating circulation system damages, directly described heating circulation system can be keeped in repair, it is not necessary to described outer container 1 is taken apart, there is simple in construction, low cost, homogeneous heating, easy to maintenance and security performance advantages of higher.
Claims (10)
1. a safe and efficient tunnel type vacuum oven, including interior case, the two ends of described interior case are through, it is characterised in that also include:
Outer container, described outer container seals and is coated with described interior case, and described outer container has the external box wall of the described interior case of multiple correspondence and formed, has a heated sealed chamber between described interior case and described outer container；
At least one heating circulation system, described heating circulation system is arranged in the outside of described outer container, described heating circulation system passes through in the gas circulating transfer extremely described heated sealed chamber after gas transport path will heat, and derives to described heating circulation system via described gas transport path.
Safe and efficient tunnel type vacuum oven the most according to claim 1, it is characterised in that: described heating circulation system includes heater and the air current circulation configured with described heater.
Safe and efficient tunnel type vacuum oven the most according to claim 1 and 2, it is characterised in that: described external box wall adiabator is made.
Safe and efficient tunnel type vacuum oven the most according to claim 1 and 2, it is characterized in that: described gas transport path includes induction pathway and outlet gas flow path, described heated sealed chamber has defined at least one air inlet and at least one venthole respectively, the air inlet of described heating circulation system is connected with described air inlet by described induction pathway, and the gas outlet of described heating circulation system is connected with described venthole by described outlet gas flow path.
Safe and efficient tunnel type vacuum oven the most according to claim 4, it is characterised in that: at least one described air inlet and at least one described venthole are oppositely disposed on two described external box walls.
Safe and efficient tunnel type vacuum oven the most according to claim 5, it is characterised in that: at least one described air inlet is arranged on the described external box wall of bottom.
Safe and efficient tunnel type vacuum oven the most according to claim 5, it is characterised in that: at least one described venthole is arranged on the described external box wall at top.
Safe and efficient tunnel type vacuum oven the most according to claim 1 and 2, it is characterised in that: also including gas flow control system, described gas flow control system is for regulating gas flow direction in described heated sealed chamber.
Safe and efficient tunnel type vacuum oven the most according to claim 8, it is characterized in that: described gas flow control system includes temperature sensing part, controls device and air-flow regulating part, described temperature sensing part and described air-flow regulating part are arranged in described heated sealed chamber, described temperature sensing part is electrically connected with described control device, and described control device controls described air-flow regulating part and is adjusted the flow direction of gas.
Safe and efficient tunnel type vacuum oven the most according to claim 1 and 2, it is characterised in that: also including sealing pumped vacuum systems, the two ends of described interior case are sealed and to described interior case evacuation by described sealing pumped vacuum systems.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196929A (en) * | 2016-09-22 | 2016-12-07 | 深圳市信宇人科技有限公司 | Comprehensive interior heating fine vacuum baking box |
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| Publication number | Publication date |
|---|---|
| CN105890296B (en) | 2018-08-28 |
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Address after: Longgang District of Shenzhen City, Guangdong province 518000 Dragon Street Huilong Po community hoffen (Longgang) Industrial Area No. 2 plant floor, two floor, third floor, four floor Applicant after: Shenzhen xinyuren Polytron Technologies Inc Address before: Lu Hongfeng Industrial Zone No. 38 Hui Pu Cun Longgang District of Shenzhen City, Guangdong Province, No. 1 518000 Applicant before: Shenzhen Xinyuren Technology Co., Ltd. |
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Denomination of invention: Safe and high-efficient tunnel-type vacuum oven Effective date of registration: 20190410 Granted publication date: 20180828 Pledgee: Bank of Beijing Limited by Share Ltd Shenzhen branch Pledgor: Shenzhen xinyuren Polytron Technologies Inc Registration number: 2019990000315 |
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