CN219934447U - Quantum dot continuous drying device - Google Patents
Quantum dot continuous drying device Download PDFInfo
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- CN219934447U CN219934447U CN202321072711.0U CN202321072711U CN219934447U CN 219934447 U CN219934447 U CN 219934447U CN 202321072711 U CN202321072711 U CN 202321072711U CN 219934447 U CN219934447 U CN 219934447U
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- vacuum drying
- quantum dot
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- 239000002096 quantum dot Substances 0.000 title claims abstract description 73
- 238000001035 drying Methods 0.000 title claims abstract description 43
- 238000001291 vacuum drying Methods 0.000 claims abstract description 86
- 239000007787 solid Substances 0.000 claims abstract description 81
- 238000001816 cooling Methods 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 20
- 239000011810 insulating material Substances 0.000 description 4
- 210000003437 trachea Anatomy 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006862 quantum yield reaction Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a continuous drying device for quantum dots, which comprises: the storage tank, the vacuum drying tank and the vacuum cooling tank are sequentially arranged from top to bottom and are communicated with each other; an air pipe is arranged between the storage tank and the vacuum drying tank, an air stop valve is arranged in the air pipe and used for realizing on-off of the air pipe, an air film is arranged in the air pipe between the air stop valve and the storage tank, and the air film is arranged to allow air to pass through and not allow solids to pass through; the lower end of the storage tank is communicated with the upper end of the vacuum drying tank through a first passage, and a first solid stop valve is arranged in the first passage; the lower end of the vacuum drying tank is communicated with the upper end of the vacuum cooling tank through a second passage, and a second solid stop valve is arranged in the second passage; the vacuum drying tank is communicated with a vacuum pump through an air suction pipeline; the quantum dot drying device can be used for continuously drying the quantum dot solid, so that the production time is shortened, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of drying devices, in particular to a quantum dot continuous drying device.
Background
A material having at least one spatial dimension in the three-dimensional space in the range of 1 to 100nm is defined as a nanomaterial such that movement of electrons in these directions is restricted, and a semiconductor crystal having three dimensions in the range of about 1 to 100nm in space is called a quantum dot. Because of its high fluorescence quantum yield, tunable emission wavelength and narrow bandwidth, it is an excellent candidate in new display technology.
The inventor knows that in the related technical scheme, when the quantum dots are dried, the drying and the sample taking out are completed in one cavity, and after the quantum dots are dried, the cavity needs to be opened manually, and the dried quantum dot solids are taken out.
However, two problems exist in the drying operation, namely, firstly, taking out the quantum dot solids after the first batch of the quantum dot solids are dried, opening a cavity, and putting the quantum dot solids into the cavity when the second batch of the quantum dot solids are required to be dried, so that continuous drying of the quantum dot solids is not facilitated, and time and labor are wasted; second, after the quantum dot solid is dried, the temperature in the drying cavity is high, and when the cavity is opened, personnel can be scalded, and risks are caused.
Disclosure of Invention
The utility model provides a continuous quantum dot drying device, which aims to solve the problems of the conventional quantum dot drying device.
In order to achieve the above object, the present utility model provides a continuous drying device for quantum dots, comprising: the storage tank, the vacuum drying tank and the vacuum cooling tank are sequentially arranged from top to bottom and are communicated with each other; an air pipe is arranged between the storage tank and the vacuum drying tank, an air stop valve is arranged in the air pipe and used for realizing on-off of the air pipe, an air film is arranged in the air pipe between the air stop valve and the storage tank, and the air film is arranged to allow air to pass through and not allow solids to pass through; the lower end of the storage tank is communicated with the upper end of the vacuum drying tank through a first passage, and a first solid stop valve is arranged in the first passage; the lower end of the vacuum drying tank is communicated with the upper end of the vacuum cooling tank through a second passage, and a second solid stop valve is arranged in the second passage; the vacuum drying tank is communicated with a vacuum pump through an air suction pipeline.
The beneficial effects of the above technical scheme are that:
1. according to the utility model, the storage tank, the vacuum drying tank and the vacuum cooling tank are sequentially arranged from top to bottom and are communicated, the quantum dot solid to be dried is placed in the storage tank, and can enter the vacuum drying tank through the first passage, and after drying is finished, the quantum dot solid can enter the vacuum cooling tank from the vacuum drying tank through the second passage, so that continuous drying of the quantum dot solid can be realized, the drying time of the quantum dot solid is shortened, and the drying efficiency is improved.
2. The vacuum drying tanks are arranged in the middle of the three tank bodies, so that the vacuum drying tanks do not need to be manually contacted, and the damage of high temperature of the vacuum drying tanks to the manual work can be avoided.
3. According to the utility model, the vacuum cooling tank is communicated below the vacuum drying tank, the dried quantum dot solid can enter the vacuum cooling tank, and the dried quantum dot solid does not need to be taken out by opening the vacuum drying tank, so that the heat dissipation of the vacuum drying tank is reduced, the drying temperature during drying of the quantum dot solid is ensured, and the quality of the dried quantum dot solid is higher.
4. According to the utility model, the vacuum pump is communicated with the vacuum drying tank through the air suction pipeline, so that the quantum dot solid is ensured to be in a vacuum state during drying, and the quantum dot solid is prevented from being oxidized by contacting oxygen.
5. According to the utility model, the storage tank, the vacuum drying tank and the vacuum cooling tank are sequentially arranged from top to bottom and are communicated, and quantum dot solids can be sequentially transferred among the three tank bodies through weight, so that the quantum dot solids can conveniently enter the vacuum drying tank from the storage tank and enter the vacuum cooling tank from the vacuum drying tank.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present utility model
FIG. 2 is a schematic cross-sectional structure of the vacuum drying tank of the present utility model;
FIG. 3 is a schematic cross-sectional view of a storage tank according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a vacuum cooling tank according to the present utility model.
In the figure: 1. a storage tank; 2. a vacuum drying tank; 21. an inner tank; 22. an outer can; 23. a heat insulating material; 24. a first vent hole; 25. a second gas shutoff valve; 3. a vacuum cooling tank, 31, and a second vent hole; 32. a third gas shutoff valve; 4. an air pipe; 41. a gas shutoff valve; 42. a gas film; 5. a first passage; 51. a first solid stop valve; 6. a second passage; 61. a second solid stop valve; 7. a top cover; 71. a buckle; 8. a display screen; 9. a discharge port; 91. a blocking cover; 10. and a vacuum pump.
Detailed Description
In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.
In addition, in the description of the present utility model, it should be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1 to 4, the present utility model provides a continuous drying device for quantum dots, comprising: the device comprises a storage tank 1, a vacuum drying tank 2 and a vacuum cooling tank 3 which are sequentially arranged from top to bottom and are communicated with each other; an air pipe 4 is arranged between the storage tank 1 and the vacuum drying tank 2, an air stop valve 41 is arranged in the air pipe 4, the air stop valve 41 is used for realizing the on-off of the air pipe 4, an air film 42 is arranged in the air pipe 4 between the air stop valve 41 and the storage tank 1, and the air film 42 is arranged to allow air to pass through and not allow solids to pass through; the lower end of the storage tank 1 is communicated with the upper end of the vacuum drying tank 2 through a first passage 5, and a first solid stop valve 51 is arranged in the first passage 5; the lower end of the vacuum drying tank 2 is communicated with the upper end of the vacuum cooling tank 3 through a second passage 6, and a second solid stop valve 61 is arranged in the second passage 6; the vacuum drying tank 5 is communicated with a vacuum pump 10 through a suction pipeline.
The utility model is provided with a storage tank 1, a vacuum drying tank 2 and a vacuum cooling tank 3, wherein three tank bodies are sequentially communicated, the storage tank 1 can store quantum dot solids to be dried, the quantum dot solids to be dried can enter the vacuum drying tank 2 through a first passage 5, the first passage 5 is provided with a first solid stop valve 51, and when the first stop valve 51 is opened, the quantum dot solids to be dried can enter the vacuum drying tank 2 for drying. After the drying is finished, the quantum dot solids enter the vacuum cooling tank 3 from the vacuum drying tank 2 through the second passage 6, the vacuum cooling tank 3 can cool the dried quantum dot solids, and when the quantum dot solids need to be continuously dried, the steps are repeated, so that the continuous drying of the quantum dot solids can be realized; in addition, the vacuum pump 10 is communicated with the vacuum drying tank 5 through an air suction pipeline, and the vacuum pump 10 can perform vacuumizing treatment on the vacuum drying tank 5, so that the vacuum drying tank 5 is kept in a vacuum state, and quantum dot solid contact oxygen is prevented from being oxidized.
The specific working process comprises the following steps: the storage tank 1 stores the quantum dot solid to be dried, when drying is carried out, the air suction pipeline of the vacuum pump 10 carries out vacuumizing treatment on the vacuum drying tank 2 and the vacuum cooling tank 3, at the moment, in order to ensure the consistency of the whole vacuum, the gas stop valve 41 in the air pipe 4 is opened, the air in the storage tank 1 is pumped by the vacuum pump 10, the storage tank 1 is changed into a vacuum state, at the moment, the air film 42 is used for preventing the quantum dot solid from being pumped along with the air, after the storage tank 1 is pumped into the vacuum state, the first solid stop valve 51 in the first passage 5 can be opened, the quantum dot solid to be dried enters the vacuum drying tank 2 through the first passage 5, the vacuum drying tank 2 is set to be in a structure form that the middle part is wide, the upper and lower parts are narrow, quantum dot solid entering from the storage tank 1 is favorable to falling to the bottom of the vacuum drying tank 2, at this moment, the vacuum drying tank 2 is heated through a heating mechanism, the vacuum drying tank 2 reaches the drying temperature, the quantum dot solid is dried, after the drying is finished, the second solid stop valve 61 of the second passage 6 is opened, the dried quantum dot solid can enter the vacuum cooling tank 3, the vacuum cooling tank 3 carries out refrigeration treatment through an external refrigeration mechanism, the vacuum cooling tank 3 reaches the cooling temperature, and the vacuum cooling tank 3 cools the dried quantum dot solid.
As a preferred embodiment of the present utility model, the top of the storage tank 1 is provided with a top cover 7, and the top cover 7 is connected to the storage tank 1 through a buckle 71.
The storage tank 1 upper end is provided with top cap 7, and top cap 7 can be sealed with storage tank 1 through buckle 71, and when gas stop valve 41 in trachea 4 opened, storage tank 1 can be by the evacuation, and at this moment, top cap 7 can make storage tank 1 sealed, and the evacuation is effectual.
In a preferred embodiment of the present utility model, the vacuum drying tank 2 is provided with two layers, an inner layer being an inner tank 21 and an outer layer being an outer tank 22.
The two-layer design of the vacuum drying tank 22 can prevent excessive heat dissipation from the outside of the vacuum drying tank when drying is performed, so that the heat loss is large during drying, the temperature cannot meet the requirement of drying, and the quality of the dried quantum dot solid is poor.
Further, a heat insulating material 23 is filled between the inner tank 21 and the outer tank 22.
The use of the heat insulating material 23 can further facilitate the guarantee of the drying temperature of the vacuum drying tank 2, and the addition of the heat insulating material 23 can make the overall heat insulating effect better on the basis of heat insulation of the inner tank 21 and the outer tank 22.
As a preferred embodiment of the utility model, the outer wall of the vacuum drying tank 2 is provided with a display 8 and a controller, the vacuum drying tank 2 is provided with a gas pressure sensor, the controller can receive the signal of the gas pressure sensor, and the display 8 can receive and display the signal of the controller.
The outer wall of the vacuum drying tank 2 tank body is provided with the display 8, the rear of the screen of the display 8 is provided with the controller, and the controller can display the vacuum state in the vacuum drying tank 2 on the screen after receiving the signal of the gas pressure sensor, so that the vacuum state in the vacuum drying tank 2 can be clearly seen, and the follow-up operation is convenient.
As a preferred embodiment of the utility model, the vacuum drying tank 2 is provided with a first vent 24 outside the tank body, the first vent 24 is communicated with the vacuum pump 10 through an exhaust pipe, and a second gas stop valve 25 is arranged at the exhaust pipe and/or the first vent 24.
The first vent hole 24 can communicate the vacuum drying tank 2 with the outside, the exhaust pipe is communicated with the first vent hole 24, the vacuum drying tank can be in a vacuum state, wherein the exhaust pipe and the first vent hole 24 are provided with a second gas stop valve 25, the second gas stop valve 25 can control the communication between the vacuum pump 10 and the vacuum drying tank 2, and besides, the exhaust pipe or any one of the first vent holes 24 is provided with the second gas stop valve 25, so that the effect of controlling the communication between the vacuum pump 10 and the vacuum drying tank 2 can be achieved.
As a preferred embodiment of the present utility model, the vacuum cooling tank 3 is provided with a second vent hole 31, and a third gas shut-off valve 32 is provided at the second vent hole 31.
Similar to the second gas shut-off valve 25, the third gas shut-off valve 32 controls the communication between the vacuum cooling tank 3 and the outside, and is opened after all the quantum dot solids are dried and cooled, and at this time, the atmospheric pressure presses the outside air into the vacuum cooling tank 3, so that the dried and cooled quantum dot solids can be collected.
As a preferred embodiment of the utility model, the lower end of the vacuum cooling tank 3 is provided with a discharge port 9, and a detachable plugging cover 91 is arranged at the discharge port 9.
When the dried and cooled quantum dot solids are required to be collected, the second air stop valve 25 and the vacuum pump 10 are closed, the third air stop valve 32 is opened, at this time, the external air is pressed into the vacuum cooling tank 3 by the atmospheric pressure, the discharge port 9 below the vacuum cooling tank 3 can smoothly discharge, and specifically, the plugging cover 91 of the discharge port 9 is opened to collect the quantum dot solids.
As a preferred embodiment of the present utility model, the upper end of the air pipe 4 is communicated with the inner cavity of the storage tank 1 through the side wall of the storage tank 1, and the lower end of the air pipe 4 is communicated with the inner tank 21 of the vacuum drying tank 2 through the side wall of the vacuum drying tank 2.
The trachea 4 sets up in the outside of storage tank 1 and vacuum drying jar 2, can communicate storage tank 1 and vacuum drying jar 2 through trachea 4, and trachea 4 can make the air of storage tank 1 be taken out to vacuum drying jar 2 relay and taken away, guarantees the vacuum drying environment of quantum dot solid for the quantum dot solid quality that the drying comes out is better.
As a preferred embodiment of the present utility model, the first passage 5 includes a first opening which is hermetically connected and is provided at the lower end of the storage tank 1 and a second opening which is provided at the upper end of the vacuum drying tank 2, respectively, and a first solid stop valve 51 is provided at the first opening or the second opening; the second passage 6 includes a third opening and a fourth opening which are hermetically connected and are respectively provided at the lower end of the vacuum drying tank 2 and the upper end of the vacuum cooling tank 3, and a second solid shutoff valve 61 is provided at the third opening or the fourth opening.
Specifically, the design of the first passage 5 is: the first passage 5 comprises a first opening and a second opening, the first passage 5 can be formed by directly sealing and butting the first opening and the second opening, the first solid stop valve 51 can be arranged at the first opening or the second opening, and the quantum dot solids to be dried in the storage tank 1 can be ensured to enter the vacuum drying tank 2 through the first solid stop valve 51; the design for the second passage 6 is: the second passage 6 comprises a third opening and a fourth opening, the second passage 6 can be formed by directly sealing and butting the third opening and the fourth opening, and the second solid stop valve 61 can be arranged at the third opening or the fourth opening, so that the quantum dot solid in the vacuum drying tank 2 can be ensured to enter the vacuum cooling tank 3 for cooling.
The positions of the first solid stop valve 51 and the second solid stop valve 61 are not particularly limited, and the first solid stop valve 51 may be disposed at the first opening or the second opening; the second solid stop valve 61 can be provided at the third opening or the fourth opening, and the corresponding effect can be achieved.
Working principle: in the utility model, when the storage tank 1 stores quantum dot solids to be dried, an air suction pipeline of the vacuum pump 10 performs vacuumizing treatment on the vacuum drying tank 2 and the vacuum cooling tank 3, the second gas stop valve 25 and the vacuum pump 10 are opened, at the moment, in order to ensure the whole vacuum consistency, the storage tank 1 is required to be vacuumized, the gas stop valve 41 in the air pipe 4 is opened, the air in the storage tank 1 can be pumped by the vacuum pump 10, the storage tank 1 is changed into a vacuum state, the air film 42 is arranged to prevent the quantum dot solids from being pumped away along with the air in the storage tank 1, after the storage tank is vacuumized, the first solid stop valve 51 in the first passage 5 can be opened, the quantum dot solids to be dried enter the vacuum drying tank 2 through the first passage 5, after the drying is finished, the second solid stop valve 61 of the second passage 6 is opened, the quantum dot solids can enter the vacuum cooling tank 3, the vacuum cooling tank 3 cools the dried quantum dot solids, after the cooling is finished, the second gas stop valve 25 is closed, the third gas stop valve 32 is opened, the air pressure is sealed, the quantum dot solids in the vacuum cooling tank 3 is sealed, and the air pressure is sealed, and the quantum dot solids in the vacuum cooling tank is sealed, and the air is sealed.
The utility model can be realized by adopting or referring to the prior art at the places which are not described in the utility model.
The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.
Claims (10)
1. The continuous quantum dot drying device is characterized by comprising a storage tank, a vacuum drying tank and a vacuum cooling tank which are sequentially arranged from top to bottom and are communicated with each other;
an air pipe is arranged between the storage tank and the vacuum drying tank, an air stop valve is arranged in the air pipe, the air stop valve is used for realizing on-off of the air pipe, an air film is arranged in the air pipe between the air stop valve and the storage tank, and the air film is arranged to allow air to pass through and not allow solids to pass through;
the lower end of the storage tank is communicated with the upper end of the vacuum drying tank through a first passage, and a first solid stop valve is arranged in the first passage; the lower end of the vacuum drying tank is communicated with the upper end of the vacuum cooling tank through a second passage, and a second solid stop valve is arranged in the second passage;
the vacuum drying tank is communicated with the vacuum pump through an air suction pipeline.
2. The continuous quantum dot drying apparatus according to claim 1, wherein: the storage tank upper end is provided with the top cap, the top cap pass through the buckle with the storage tank is connected.
3. The continuous quantum dot drying apparatus according to claim 1, wherein: the vacuum drying tank is arranged into a double-layer structure, one layer of the vacuum drying tank is an inner tank body, and one layer of the vacuum drying tank is an outer tank body.
4. A continuous quantum dot drying apparatus according to claim 3, wherein: and a heat insulation material is filled between the inner tank body and the outer tank body.
5. The continuous quantum dot drying apparatus according to claim 1, wherein: the vacuum drying tank is characterized in that a display and a controller are arranged on the outer wall of the vacuum drying tank body, a gas pressure sensor is arranged in the vacuum drying tank, the controller can receive signals of the gas pressure sensor, and the display can receive signals of the controller and display the signals.
6. The continuous quantum dot drying apparatus according to claim 1, wherein: the vacuum drying tank is characterized in that a first vent hole is formed in the outside of the vacuum drying tank body, the first vent hole is communicated with the vacuum pump through an exhaust pipe, and a second gas stop valve is arranged at the exhaust pipe and/or the first vent hole.
7. The continuous quantum dot drying apparatus according to claim 1, wherein: the vacuum cooling tank body is provided with a second vent hole, and a third gas stop valve is arranged at the second vent hole.
8. The continuous quantum dot drying apparatus according to claim 1, wherein: the vacuum cooling tank is characterized in that a discharge hole is formed in the lower end of the vacuum cooling tank, and a detachable plugging cover is arranged at the discharge hole.
9. The continuous quantum dot drying apparatus according to claim 1, wherein: the upper end of the air pipe is communicated with the inner cavity of the storage tank through the side wall of the storage tank, and the lower end of the air pipe is communicated with the inner tank body of the vacuum drying tank through the side wall of the vacuum drying tank.
10. The continuous quantum dot drying apparatus according to claim 1, wherein: the first passage comprises a first opening and a second opening, the first opening is connected in a sealing mode and is respectively arranged at the lower end of the storage tank, the second opening is arranged at the upper end of the vacuum drying tank, and the first solid stop valve is arranged at the first opening or the second opening;
the second passage comprises a third opening and a fourth opening, the third opening is connected in a sealing mode and is arranged at the lower end of the vacuum drying tank, the fourth opening is arranged at the upper end of the vacuum cooling tank, and the second solid stop valve is arranged at the position of the third opening or the fourth opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321072711.0U CN219934447U (en) | 2023-04-28 | 2023-04-28 | Quantum dot continuous drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321072711.0U CN219934447U (en) | 2023-04-28 | 2023-04-28 | Quantum dot continuous drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219934447U true CN219934447U (en) | 2023-10-31 |
Family
ID=88491759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321072711.0U Active CN219934447U (en) | 2023-04-28 | 2023-04-28 | Quantum dot continuous drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219934447U (en) |
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2023
- 2023-04-28 CN CN202321072711.0U patent/CN219934447U/en active Active
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