CN210512373U - Vacuum drying oven for food analysis - Google Patents
Vacuum drying oven for food analysis Download PDFInfo
- Publication number
- CN210512373U CN210512373U CN201921149980.6U CN201921149980U CN210512373U CN 210512373 U CN210512373 U CN 210512373U CN 201921149980 U CN201921149980 U CN 201921149980U CN 210512373 U CN210512373 U CN 210512373U
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- Prior art keywords
- oven
- heat dissipation
- vacuum drying
- dissipation window
- drying oven
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Abstract
The utility model discloses a vacuum drying oven for food analysis, which comprises a box body, a box door, a tray arranged in the box body, a vacuum pump connected with the box body through an air exhaust pipeline, and a heating element arranged at the bottom of the box body, and is characterized by also comprising a heat dissipation window arranged at the top end of the box body, a draught fan accommodated in the heat dissipation window, a heat dissipation window cover plate which is detachably covered on the heat dissipation window and used for sealing the heat dissipation window, and an air inlet channel which is arranged at the bottom end of the box body and is positioned below the heating element; the inlet end of the air inlet channel extends out of the box body, and an air inlet valve is arranged at the inlet end of the air inlet channel. The utility model discloses the simple structure of drying cabinet, operation maintenance is convenient, can not only carry out vacuum drying to food sample, can also carry out heated air circulation drying to food sample, can reduce the idle rate that equipment used by a wide margin.
Description
Technical Field
The utility model belongs to the technical field of drying equipment, concretely relates to vacuum drying oven for food analysis.
Background
Vacuum drying, also known as resolution drying, is a drying method in which a material is placed under negative pressure and is properly heated to reach a boiling point under a negative pressure state or is solidified by cooling so as to dry the material through a melting point. During vacuum drying, the melting point boiling point of the water in the material is reduced along with the improvement of the vacuum degree in a negative pressure state, and meanwhile, the vacuum pump is used for assisting in the gap dehumidification to reduce the water vapor content, so that the water and other solutions in the material can obtain enough kinetic energy to be separated from the surface of the material. In various heating and drying methods under normal pressure, because the materials are heated, the color, the fragrance, the taste and the nutrient content of the materials are lost to a certain degree under the action of oxygen, and the vacuum drying keeps the original characteristics better because the materials are isolated from air under the negative pressure state, so that part of the materials which are easy to oxidize and other chemical changes in the drying process are easy to oxidize and the like, therefore, the vacuum drying is widely applied to the fields of food processing, food detection and analysis and the like. Vacuum drying ovens are the most common and most commonly used equipment for performing vacuum drying. The existing vacuum drying box is not provided with a hot air circulating system generally, is single in use function and cannot carry out common hot air circulating drying on materials. In the food detection and analysis field, the use frequency of a vacuum drying oven is not high, and a normal-pressure hot air drying oven is usually used for drying materials and drying glassware, so that the vacuum drying oven purchased in a laboratory is usually idle, and the use rate is not high.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a vacuum drying oven for food analysis, its simple structure, operation maintenance is convenient, can not only carry out vacuum drying to food sample, can also carry out heated air circulation drying to food sample, can reduce the idle rate of equipment use by a wide margin.
The utility model discloses a following technical scheme realizes.
The vacuum drying oven for food analysis comprises an oven body, an oven door, a tray arranged in the oven body, a vacuum pump connected with the oven body through an air exhaust pipeline, and a heating element arranged at the bottom of the oven body, and is characterized by also comprising a heat dissipation window arranged at the top end of the oven body, an induced draft fan accommodated in the heat dissipation window, a heat dissipation window cover plate detachably covered on the heat dissipation window and used for sealing the heat dissipation window, and an air inlet channel arranged at the bottom end of the oven body and positioned below the heating element; the inlet end of the air inlet channel extends out of the box body, and an air inlet valve is arranged at the inlet end of the air inlet channel.
As a preferred technical scheme, a sealing gasket is further arranged between the heat radiation window cover plate and the heat radiation window.
As a preferred technical scheme, an inflatable sealing gasket is arranged on the box door.
As the preferred technical scheme, the inflatable sealing gasket is detachably fixed on the box door through a gasket clamping strip.
As a preferred technical scheme, the vacuum drying oven also comprises a vacuum sensor arranged in the oven body and a vacuum gauge arranged outside the oven body and connected with the pressure sensor.
As a preferred technical scheme, the vacuum drying oven also comprises a temperature sensor arranged in the oven body, a temperature controller arranged at the top of the oven body and a temperature control panel arranged outside the oven body.
As a preferred technical scheme, the heat radiation window cover plate is detachably covered on the heat radiation window through threaded connection.
As a preferred technical scheme, a glass visual window is arranged on the box door.
As a preferred technical scheme, a handle is arranged on the heat dissipation window cover plate.
The utility model has the advantages that: the utility model has the advantages of simple structure, operation maintenance is convenient, can not only carry out vacuum drying to food sample, can also carry out heated air circulation drying to food sample, can reduce the idle rate that equipment used by a wide margin.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a left side view of the present invention;
fig. 4 is a plan view of the heat dissipating window of the present invention when the cover plate is disassembled;
FIG. 5 is a schematic view of the door of the present invention when opened;
FIG. 6 is a schematic view illustrating a disassembled cover plate of the heat dissipation window of the present invention;
the meanings of the marks in the above figures are as follows:
1-box body, 101-vacuum sensor, 102-vacuum gauge, 103-temperature sensor, 104-temperature controller, 105-temperature control panel, 2-box door, 201-inflatable sealing gasket, 202-gasket clamping strip, 203-glass visual window, 3-tray, 4-vacuum pump, 401-air exhaust pipeline, 402-air exhaust pipeline valve, 5-heating element, 6-heat dissipation window, 7-draught fan, 8-heat dissipation window cover plate, 801-handle, 9-air inlet channel, 901-air inlet valve and 10-sealing gasket.
Detailed Description
The present invention is further described in the following embodiments with reference to the attached drawings, and it should be noted that the following embodiments are only illustrative of the present invention by way of example, but the scope of the present invention is not limited thereto, and all those skilled in the art can substitute the equivalent of the present invention by the spirit of the present invention.
Examples
Referring to fig. 1 to 6, the vacuum drying oven for food analysis includes an oven body 1, an oven door 2, a tray 3 disposed in the oven body 1, a vacuum pump 4 connected to the oven body 1 through an air exhaust duct 401, and a heating element 5 disposed at the bottom of the oven body 1, and is characterized by further including a heat dissipation window 6 disposed at the top end of the oven body 1, an induced draft fan 7 housed in the heat dissipation window 6, a heat dissipation window cover plate 8 detachably covering the heat dissipation window 6 for sealing the heat dissipation window 6, and an air intake channel 9 disposed at the bottom end of the oven body 1 and below the heating element 5; the inlet end of the air inlet channel 9 extends out of the box body 1, and an air inlet valve 901 is arranged on the inlet end of the air inlet channel 9;
in the structure, when the materials need to be dried in vacuum, the materials are placed on the tray 3 in the box body 1, then the heat dissipation window cover plate 8 is covered on the heat dissipation window 6, so that the heat dissipation window 6 is sealed, meanwhile, the induced draft fan 7 is closed, the box door 2 is closed, the air inlet valve 901 is closed, the air exhaust pipeline valve 402 and the vacuum pump 4 are sequentially opened, the vacuum degree of the vacuum gauge 102 is observed at the moment, when the vacuum degree meets the required requirement, the valve 402 and the vacuum pump 4 can be closed, and then the heating element 5 is opened, so that the materials in the box body 1 can be dried in vacuum; in the vacuum drying process, the vacuum pump 4 can be started at intervals, then the air exhaust pipeline valve 402 is started, the vacuum pump 4 is enabled to work for a period of time to exhaust water vapor in the box body 1 or exhaust air permeating into the box body 1, so that the stable vacuum degree is maintained in the box body 1, and then the air exhaust pipeline valve 402 and the vacuum pump 4 are sequentially closed; when the materials are required to be subjected to normal-pressure hot air drying, the heat dissipation window cover plate 8 is detached from the heat dissipation window 6, the heat dissipation window 6 is made to be vertically communicated, meanwhile, the air inlet valve 901 is opened, the air exhaust pipeline valve 402 is closed, then the heating element 5 is opened, the materials in the box body 1 can be subjected to normal-pressure hot air drying, air flow enters the heated element 5 from the air inlet channel 9 to be heated, then the air flow passes through the interior of the box body 1 and is discharged from the heat dissipation window 6 through the induced draft fan 7, and hot air circulation drying of the materials is achieved.
Further, in order to provide better sealing performance when the heat dissipation window cover plate 8 is covered on the heat dissipation window 6, in a preferred embodiment, please refer to fig. 1, fig. 3, and fig. 6, a sealing gasket 10 is further disposed between the heat dissipation window cover plate 8 and the heat dissipation window 6.
Further, in order to make the door 2 more tightly sealed with the cabinet 1 when covering, in a preferred embodiment, referring to fig. 5, the door 2 is provided with an air-filled sealing gasket 201.
Further, to facilitate removal and replacement of the gas-filled gasket 201, in a preferred embodiment, referring to fig. 5, the gas-filled gasket 201 is removably secured to the door 2 by a gasket snap strip 202.
Further, in a specific embodiment, referring to fig. 1 and fig. 2, the vacuum drying oven further includes a vacuum sensor 101 disposed inside the oven body 1, and a vacuum gauge 102 disposed outside the oven body 1 and connected to the vacuum sensor 101.
Further, in a specific embodiment, referring to fig. 1 and fig. 2, the vacuum drying oven further includes a temperature sensor 103 disposed inside the oven body 1, a temperature controller 104 disposed on the top of the oven body 1, and a temperature control panel 105 disposed outside the oven body 1.
Further, in order to enable the quick detachment and installation of the louver cover 8, in a preferred embodiment, referring to fig. 1 and 6, the louver cover 8 is detachably covered on the louver 6 by a screw connection.
Further, in order to observe the drying state of the materials in the box 1, in a preferred embodiment, referring to fig. 2, a glass window 203 is arranged on the box door 2.
Further, in order to facilitate the detachment and installation of the heat dissipating window cover 8, in a preferred embodiment, referring to fig. 6, a handle 801 is disposed on the heat dissipating window cover 8.
Claims (9)
1. The vacuum drying oven for food analysis comprises an oven body (1), an oven door (2), a tray (3) arranged in the oven body (1), a vacuum pump (4) connected with the oven body (1) through an air exhaust pipeline (401), and a heating element (5) arranged at the bottom of the oven body (1), and is characterized by further comprising a heat dissipation window (6) arranged at the top end of the oven body (1), an induced draft fan (7) accommodated in the heat dissipation window (6), a heat dissipation window cover plate (8) detachably covered on the heat dissipation window (6) and used for sealing the heat dissipation window (6), and an air inlet channel (9) arranged at the bottom end of the oven body (1) and positioned below the heating element (5); the inlet end of the air inlet channel (9) extends to the outside of the box body (1), and an air inlet valve (901) is arranged at the inlet end of the air inlet channel (9).
2. The vacuum drying oven for food analysis according to claim 1, wherein a sealing gasket (10) is further provided between the heat dissipation window cover plate (8) and the heat dissipation window (6).
3. The vacuum drying oven for food analysis according to claim 1, characterized in that the oven door (2) is provided with an air-tight gasket (201).
4. A vacuum drying oven for food analysis according to claim 3, characterized in that said inflatable sealing gasket (201) is removably fixed to the oven door (2) by means of gasket strips (202).
5. The vacuum drying oven for food analysis according to claim 1, characterized in that the vacuum drying oven further comprises a vacuum sensor (101) disposed inside the oven body (1), a vacuum gauge (102) disposed outside the oven body (1) and connected to the vacuum sensor (101).
6. The vacuum drying oven for food analysis according to claim 1, characterized in that the vacuum drying oven further comprises a temperature sensor (103) disposed inside the oven body (1), a temperature controller (104) disposed on the top of the oven body (1), and a temperature control panel (105) disposed outside the oven body (1).
7. The vacuum drying oven for food analysis according to claim 1, wherein the heat radiation window cover plate (8) is detachably attached to the heat radiation window (6) by screwing.
8. The vacuum drying oven for food analysis according to claim 1, characterized in that the oven door (2) is provided with a glass viewing window (203).
9. The vacuum drying oven for food analysis according to claim 1, wherein the heat radiation window cover plate (8) is provided with a handle (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921149980.6U CN210512373U (en) | 2019-07-19 | 2019-07-19 | Vacuum drying oven for food analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921149980.6U CN210512373U (en) | 2019-07-19 | 2019-07-19 | Vacuum drying oven for food analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210512373U true CN210512373U (en) | 2020-05-12 |
Family
ID=70584505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921149980.6U Expired - Fee Related CN210512373U (en) | 2019-07-19 | 2019-07-19 | Vacuum drying oven for food analysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210512373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460933A (en) * | 2020-10-30 | 2021-03-09 | 中创科技孵化器泰州有限公司 | Drying device is used in processing of high-efficient new material |
-
2019
- 2019-07-19 CN CN201921149980.6U patent/CN210512373U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112460933A (en) * | 2020-10-30 | 2021-03-09 | 中创科技孵化器泰州有限公司 | Drying device is used in processing of high-efficient new material |
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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: 20200512 Termination date: 20210719 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |