CN211476483U - Pre-vacuum drying oven - Google Patents
Pre-vacuum drying oven Download PDFInfo
- Publication number
- CN211476483U CN211476483U CN201921722117.5U CN201921722117U CN211476483U CN 211476483 U CN211476483 U CN 211476483U CN 201921722117 U CN201921722117 U CN 201921722117U CN 211476483 U CN211476483 U CN 211476483U
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- China
- Prior art keywords
- box
- box body
- air adjusting
- plate
- fixed plate
- Prior art date
- 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.)
- Expired - Fee Related
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- 238000001291 vacuum drying Methods 0.000 title claims abstract description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 238000001035 drying Methods 0.000 claims abstract description 24
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 21
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 3
- 239000001301 oxygen Substances 0.000 abstract description 3
- 229910052760 oxygen Inorganic materials 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a prevacuum drying oven, the power distribution box comprises a box body, chamber door and heating element, it has protection gas to fill the mouth and is used for filling protection nitrogen gas into to the box on the box, two air adjusting plates about being provided with in the box, two air adjusting plate inter-plate formation are used for placing the space of waiting dry object, heating element sets up between air adjusting plate and box inner wall, the top of air adjusting plate and the inner wall of bottom and box all leave the clearance, the top of box is provided with the fan, the impeller of fan stretches into in the box, when dry object, the impeller of fan makes nitrogen gas upwards flow and from the circulation flow that the downward flow formed nitrogen gas between air adjusting plate and box inner wall. The utility model has the advantages that: when the device is used for drying a workpiece which is not suitable for vacuum drying, the workpiece is firstly vacuumized and then is introduced with nitrogen, so that the workpiece is isolated from oxygen and is dried quickly and uniformly under the condition that the pressure outside the box body is equivalent to that of the workpiece, and the workpiece is prevented from being oxidized.
Description
Technical Field
The utility model relates to a vacuum drying oven in advance.
Background
At present, radiation type or conduction type vacuum drying is generally adopted for products which are allowed to resist temperature and are easy to oxidize. The traditional radiation type and conduction type vacuum drying boxes have the defects of low drying efficiency and non-uniform temperature for products with irregular shapes and low thermal conductivity and produced in large quantities.
The drying of work piece generally uses the drying cabinet, at present under many situations, in order to accelerate the drying rate of work piece, can be with vacuumizing in the drying cabinet, under the vacuum environment, utilize the pressure little, the boiling point of water is low, the principle that a small amount of vapor can evaporate more water, realize the drying of work piece relatively faster, and the work piece of some materials is comparatively sensitive to pressure, long-time being in can produce the destruction to the work piece under the vacuum environment, this kind of work piece just needs to carry out the drying under the ordinary pressure, if dry in atmospheric environment, the work piece can take place chemical reaction with the oxygen in the air and cause the work piece to be oxidized, to the dry quality of work piece, then difficult guarantee.
Disclosure of Invention
The utility model aims at providing a vacuum drying oven in advance solves among the prior art drying efficiency low, the inhomogeneous technical problem of temperature.
In order to solve the above problems, the utility model adopts the following technical proposal: the pre-vacuum drying box comprises a box body, a box door and a heating element, wherein the box door is rotatably arranged on the box body, the box door is rotatably arranged relative to the box body and is used for opening and closing the box body, a vacuumizing port is formed in the box body and is used for communicating a vacuumizing device to vacuumize the box body, the heating element is arranged in the box body and heats the box body, a protective gas charging port is formed in the box body and is used for charging protective nitrogen into the box body, a left air adjusting plate and a right air adjusting plate are arranged in the box body, a space for placing drying objects is formed between the two air adjusting plates, the heating element is arranged between the air adjusting plates and the inner wall of the box body, gaps are reserved between the top ends and the bottom ends of the air adjusting plates and, when the object is dried, the impeller of the fan enables the nitrogen to flow upwards and downwards from the space between the air adjusting plate and the inner wall of the box body to form the circular flow of the nitrogen. The utility model discloses before using, to treat that dry object places in the box, earlier to the internal evacuation of box, fill nitrogen gas in to the box again, make atmospheric pressure in the box be the same with box external atmospheric pressure, owing to set up the air regulating plate, the circulation flows about the nitrogen gas in the box, by heating element heating in the nitrogen gas flow, when nitrogen gas flows through the work piece, makes work piece temperature rise and rapid drying, and the temperature in the drying cabinet is even, and drying efficiency is high, the utility model discloses owing to by dry under the nitrogen environment, it can not by the oxidation.
As a further improvement, the front and the back ends of the air adjusting plate are respectively connected with the box body detachable. The utility model provides an air adjusting plate detachable installs, and the air adjusting plate is dismantled to the accessible maintains and changes heating element.
As a further improvement, the box upper portion is provided with the baffle, and both ends meet with the top of two air adjusting plates respectively about the baffle, and two spaces about the baffle separates into with the box, and it has the vent that runs through above and below to open on the baffle, and nitrogen gas in the box flows to the baffle top from the space that is used for placing dry object such as the vent to from the baffle about both ends flow downwards and get into the space that is used for placing dry object from the bottom of air adjusting plate after heating element heats again. The utility model discloses set up the baffle, the wind direction vent gathering that nitrogen gas flow formed accelerates the flow velocity of nitrogen gas, the dry required time of further reduction work piece.
As a further improvement, one side that is close to the chamber door on the box is provided with left fixed plate, right fixed plate and an upper fixed plate, the left side of left fixed plate is fixed with the left side of box, the right side of right fixed plate is fixed with the right side of box, the top of an upper fixed plate is fixed with the upside of box, and the top of left fixed plate and right fixed plate is fixed mutually with both ends about an upper fixed plate respectively, one end that air adjusting plate is close to the chamber door in left side can be dismantled with left fixed plate and be connected, one end that air adjusting plate is close to the chamber door in right side can be dismantled with right fixed plate and be connected. The utility model discloses set up left fixed plate and right fixed plate, the installation of the air adjusting plate of being convenient for to can be used to increase the space between air adjusting plate and box inner wall.
As a further improvement, one side of the box door is provided with a left inner fixing strip and a right inner fixing strip, and the one end of the box door is kept away from by the two air adjusting plates and is respectively detachably arranged on the two inner fixing strips. The utility model discloses set up the internal fixation strip, the air adjusting plate of being convenient for is located the installation of the one end and the box in the box.
As a further improvement, the air adjusting plate is connected with the inner fixing strip, the left fixing plate and the right fixing plate by screws. The utility model discloses a screw installation, it is dismantled conveniently.
To sum up, the beneficial effects of the utility model are that: the utility model discloses when being used for carrying out drying process to unsuitable vacuum drying's work piece, evacuation earlier, nitrogen gas is gone into to the rethread, makes the work piece isolated oxygen, drying rate under the condition that matches with the box external pressure fast, avoids the work piece by the oxidation in the quick drying, the utility model discloses still have simple structure, convenient to use's advantage.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Wherein: 1. a box body; 2. a box door; 3. a heating element; 4. an air adjusting plate; 5. a fan; 6. a separator.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings. It should be noted that, in the present application, the pre-vacuum of the present invention refers to the vacuum pumping before the drying, and the drying is performed in the nitrogen environment, not the drying process performed in the vacuum environment.
The pre-vacuum drying oven as shown in figure 1 and figure 2 comprises a box body 1, a box door 2 and a heating element 3, wherein the box door 2 is rotatably arranged on the box body 1, the box door 2 is rotated relative to the box body 1 for opening and closing the box body 1, the rotary connection mode of the box body 1 and the box door 2 in the utility model is the prior art, the utility model does not need to be described in detail, a vacuum pumping port is arranged on one side of the box body 1 away from the box door 2, the vacuum pumping port adopts a pipeline communicated with a vacuum pumping device for vacuumizing the box body 1, the heating element 3 in the utility model is arranged on the box body 1 for heating the box body 1, a protective gas charging port is arranged on one side of the box body 1 away from the box door 2 for communicating with a container for storing nitrogen gas for charging the protective nitrogen gas into the box body 1, the utility model is provided with a left air adjusting plate and a right air adjusting plate 4 in the box body 1, form the space that is used for placing dry object such as between two air adjusting plate 4, heating element 3 set up between air adjusting plate 4 and box 1 inner wall, all install heating element 3 between two air adjusting plate 4 and the box 1 inner wall, heating element 3 heats the box from the box internal both sides, air adjusting plate 4's top and bottom and box 1's inner wall all leave the clearance, the utility model discloses be provided with fan 5 at box 1's top, fan 5's impeller stretches into in the box 1, and when dry object, fan 5's impeller makes nitrogen gas upflow and from the circulation flow of downward flow formation nitrogen gas between air adjusting plate 4 and box 1 inner wall. The utility model discloses after in putting into box 1 the work piece that will treat drying, carry out evacuation treatment in to box 1 earlier by evacuating device, fill into nitrogen gas to box 1 in to box 1 again atmospheric pressure and box 1 external pressure match, will heat with the nitrogen gas of heating element in to box 1 this moment again, 1 internal pressure detection of box can set up pressure sensor in the box with the pressure that detects the box, pressure sensor's setting is prior art, the utility model discloses do not give detailed description. The utility model provides a nitrogen gas upwards flows to the wind channel that forms between wind adjusting plate 4 and 1 interior wall inflammation of box flows downwards, after heating element 3 heats between wind adjusting plate 4 and 1 interior wall of box, gets into between two wind adjusting plate 4 and upwards flow once more from the bottom of wind adjusting plate again, with the work piece contact and with work piece exchange heat, the work piece is blown in the flow of nitrogen gas simultaneously, under the dual function of blowing and heating, realizes the rapid draing of work piece. The utility model provides a both ends are connected to the detachable with 1 preferred settings of box respectively around air adjusting plate 4.
The utility model discloses upper portion in box 1 is provided with horizontally baffle 6, both ends meet with the top of two air register plates 4 respectively about baffle 6, baffle 6 with box 1 internal partition become two spaces from top to bottom, fan 5's impeller is located the space of baffle 6 top, it has the vent that runs through its top to open on the middle part of baffle 6, fan 5's blade is just facing the vent setting, fan 5's blade rotates upwards takes out nitrogen gas for gas forms ascending wind between two air register plates 4, nitrogen gas in the box 1 is from the space flow direction baffle 6 tops that is used for placing dry object such as, and follow baffle 6 from the left and right sides both ends downward flow through heating element 3 after the heating and get into the space that is used for placing dry object from air register plates 4's bottom again.
The utility model discloses realize 4 demountable installation's of air register concrete structure is: a left fixing plate (not shown in the figure), a right fixing plate (not shown in the figure) and an upper fixing plate (not shown in the figure) are arranged on one side of the box body 1 close to the box door 2, the left side of the left fixing plate is welded and fixed with the left side of the box body 1, the right side of the right fixing plate is welded and fixed with the right side of the box body 1, the top of the upper fixing plate is welded and fixed with the upper side of the box body 1, and the top of left fixed plate and right fixed plate respectively with the upper fixed plate about both ends looks welded fastening, the one end that a wind adjusting plate 4 in left side is close to chamber door 2 can be dismantled with left fixed plate and be connected, the one end that a wind adjusting plate 4 in right side is close to chamber door 2 can be dismantled with right fixed plate and be connected, the utility model discloses one side welding of keeping away from chamber door 2 in box 1 has about two vertical internal fixation strips (not shown in the figure), and the one end that chamber door 2 was kept away from to two wind adjusting plates 4 is detachable respectively and installs on two internal fixation strips. The utility model discloses the preferred wind adjusting plate 4 and internal fixation strip and left fixed plate, right fixed plate all adopt the screw connection. The utility model provides an air adjusting plate 4 can be provided with a plurality of air adjusting plate units, a plurality of air adjusting plate unit top-down sets up, air adjusting plate 4 on also can set up a plurality of bleeder vents etc..
Parts which are not specifically described in the above description are prior art or can be realized by the prior art. The specific embodiments of the present invention are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the content of the claims of the present invention should be regarded as the technical scope of the present invention.
Claims (6)
1. Forevacuum drying cabinet, including box (1), chamber door (2) and heating element (3), chamber door (2) rotate to set up on box (1), and chamber door (2) relative box (1) rotate and are used for opening and closed box (1), and it has the evacuation mouth to be used for intercommunication evacuating device to box (1) evacuation on box (1), and heating element (3) set up in box (1) to box (1) interior heating, its characterized in that: the box body (1) is provided with a protective gas filling port for filling protective nitrogen into the box body (1), the box body (1) is internally provided with a left air adjusting plate and a right air adjusting plate (4), a space for placing dry objects such as the like is formed between the two air adjusting plates (4), a heating element (3) is arranged between the air adjusting plates (4) and the inner wall of the box body (1), gaps are reserved between the top end and the bottom end of each air adjusting plate (4) and the inner wall of the box body (1), the top of the box body (1) is provided with a fan (5), an impeller of the fan (5) extends into the box body (1), and when the dry objects are dried, the impeller of the fan (5) enables the nitrogen to flow upwards and downwards from the space between the air adjusting plates (4) and the inner wall of the box body (1) to form the circular flow of.
2. The pre-vacuum drying oven according to claim 1, characterized in that: the front end and the rear end of the air adjusting plate (4) are respectively detachably connected with the box body (1).
3. The pre-vacuum drying oven according to claim 2, characterized in that: the upper portion of the box body (1) is provided with a partition plate (6), the left end and the right end of the partition plate (6) are respectively connected with the top ends of the two air adjusting plates (4), the partition plate (6) divides the box body (1) into an upper space and a lower space, the partition plate (6) is provided with a vent hole penetrating through the upper space and the lower space, nitrogen in the box body (1) flows to the upper side of the partition plate (6) from the space for placing the drying objects to flow downwards from the left end and the right end of the partition plate (6), and then flows into the space for placing the drying objects from the bottom of the air adjusting plates (4) after being heated by the heating element (3).
4. The pre-vacuum drying oven according to claim 3, characterized in that: be provided with left fixed plate on box (1) near one side of chamber door (2), right fixed plate and an upper fixed plate, the left side of left fixed plate is fixed with the left side of box (1), the right side of right fixed plate is fixed with the right side of box (1), the top of an upper fixed plate is fixed with the upside of box (1), and the top of left fixed plate and right fixed plate is fixed mutually with both ends about an upper fixed plate respectively, the one end that a wind adjusting plate (4) in left side is close to chamber door (2) can be dismantled with left fixed plate and be connected, the one end that a wind adjusting plate (4) in right side is close to chamber door (2) can be dismantled with right fixed plate and be connected.
5. The pre-vacuum drying oven according to claim 4, characterized in that: one side of keeping away from chamber door (2) in box (1) is provided with two internal fixation strips about, and the one end that chamber door (2) were kept away from in two air register (4) is detachable respectively and installs on two internal fixation strips.
6. The pre-vacuum drying oven according to claim 5, characterized in that: the air adjusting plate (4) is connected with the inner fixing strip, the left fixing plate and the right fixing plate through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921722117.5U CN211476483U (en) | 2019-10-15 | 2019-10-15 | Pre-vacuum drying oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921722117.5U CN211476483U (en) | 2019-10-15 | 2019-10-15 | Pre-vacuum drying oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211476483U true CN211476483U (en) | 2020-09-11 |
Family
ID=72358828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921722117.5U Expired - Fee Related CN211476483U (en) | 2019-10-15 | 2019-10-15 | Pre-vacuum drying oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211476483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880406A (en) * | 2021-01-28 | 2021-06-01 | 喜而诺盛自动化科技(苏州)有限公司 | Electric capacity binder removal stove |
-
2019
- 2019-10-15 CN CN201921722117.5U patent/CN211476483U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880406A (en) * | 2021-01-28 | 2021-06-01 | 喜而诺盛自动化科技(苏州)有限公司 | Electric capacity binder removal stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200911 |