CN211307109U - Freeze-drying device is used in polyimide film production - Google Patents
Freeze-drying device is used in polyimide film production Download PDFInfo
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- CN211307109U CN211307109U CN201922060458.7U CN201922060458U CN211307109U CN 211307109 U CN211307109 U CN 211307109U CN 201922060458 U CN201922060458 U CN 201922060458U CN 211307109 U CN211307109 U CN 211307109U
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Abstract
The utility model discloses a freeze-drying device for polyimide film production, which comprises a refrigeration box, an air cooler and a freeze-drying chamber which are fixedly arranged on a bottom plate, wherein the inlet of the air cooler is communicated with the inside of the refrigeration box through a pipeline, the outlet of the air cooler is communicated with the inside of the freeze-drying chamber through a pipeline, and the top in the freeze-drying chamber is communicated with the top in the refrigeration box through a heat preservation pipe; a partition board is vertically arranged in the freeze drying chamber, the top end and the bottom end of the partition board are respectively and rotatably connected with the top wall and the bottom wall of the freeze drying chamber through rotating shafts, the freeze drying chamber is divided into a freezing cavity and a drying cavity by the partition board, an electric heating device is arranged in the drying cavity, and a plurality of supporting plates which are transversely arranged are respectively distributed on two sides of the partition board from top to bottom; the utility model realizes the recycling of gas, reduces energy consumption and improves the dryness of air; the freezing treatment and the drying treatment are carried out simultaneously, so that the working efficiency of the freezing drying treatment is greatly improved.
Description
Technical Field
The utility model relates to a freeze-drying technical field, more specifically the freeze-drying device is used in polyimide film production that says so.
Background
The polyimide film is a high polymer material with excellent properties such as high strength, high toughness, wear resistance, high temperature resistance, corrosion resistance and the like, is widely applied to the electrical and electronic industry, and is particularly a main basic insulating material of various high-grade electronic products in the electronic industry.
In the process of manufacturing the polyimide film, the freeze-drying process is often performed by a corresponding freeze-drying apparatus, and for the existing freeze-drying apparatus, the refrigeration device and the drying device are designed independently and separately, although the structure can ensure that the two processes are carried out independently and do not interfere with each other, but has the disadvantages that the structural design is complex, and the quick and good conveying of the food or foodstuff from the freezing device to the drying device cannot be realized, and the other is that the freezing function and the drying function are both completed in the same device, however, such a structure can perform only one of freezing and drying at a time, which not only greatly reduces the working efficiency, meanwhile, the same device is switched back and forth between the freezing cavity and the heating and drying cavity, so that the energy waste is greatly caused.
Therefore, how to provide a freeze-drying device for producing polyimide films is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least, provide a freeze-drying device is used in polyimide film production.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a freeze-drying device for producing polyimide films comprises a bottom plate,
the upper end face of the bottom plate is fixedly provided with a refrigerating box, an air cooler and a freeze drying chamber from left to right in sequence;
an evaporator is fixedly installed at the bottom in the refrigeration box, a condenser and a compressor are sequentially and fixedly installed at the bottom outside the refrigeration box, the compressor is respectively communicated with the evaporator and the condenser through pipelines, the evaporator and the condenser are communicated through a capillary tube, an inlet of an air cooler is communicated with the interior of the refrigeration box through a pipeline, an outlet of the air cooler is communicated with the interior of a freeze drying chamber through a pipeline, and the top in the freeze drying chamber is communicated with the top in the refrigeration box through a heat preservation pipe;
a feed inlet and a discharge outlet are respectively arranged on two sides of the freeze drying chamber, a partition plate is vertically arranged in the freeze drying chamber, the top end and the bottom end of the partition plate are respectively rotatably connected with the top wall and the bottom wall of the freeze drying chamber through rotating shafts, the freeze drying chamber is divided into a freezing cavity and a drying cavity by the partition plate, an electric heating device is arranged in the drying cavity, a motor is arranged at the bottom end outside the freeze drying chamber, and an output shaft of the motor is in transmission connection with the rotating shaft positioned at the bottom end of the partition plate;
the two sides of the partition plate are respectively provided with a plurality of transversely arranged supporting plates from top to bottom, and a plurality of through holes are uniformly distributed on the supporting plates.
Furthermore, the electric heating device comprises a first electric heating tube which is installed at the top end of the drying cavity and extends horizontally, a second electric heating tube which extends horizontally at the bottom end of the drying cavity, and a third electric heating tube which extends vertically at the right end of the drying cavity.
Furthermore, the top end of the freezing cavity is provided with a first temperature sensor, and the bottom end of the drying cavity is also provided with a second temperature sensor.
Furthermore, a heat insulation layer is embedded in the partition board along the vertical direction.
Furthermore, the heat preservation pipe is detachably connected with a functional pipe, and a water absorption filter layer is arranged in the functional pipe; the water absorption filter layer sequentially comprises a stainless steel filter screen layer, a filter layer and a water absorption cotton layer, and the stainless steel filter screen layer, the filter layer and the water absorption cotton layer are arranged at intervals.
Furthermore, both ends of the functional pipe are in threaded connection or plug-in connection with both ends of the heat preservation pipe.
According to the technical scheme, compared with the prior art, the utility model discloses a freeze-drying device for producing polyimide films, the combined action of an air cooler and an evaporator greatly improves the refrigeration efficiency, the cold air is recycled, the heat loss is reduced, and the energy consumption is reduced;
the refrigerated film is heated in the drying cavity, the air can be mixed with moisture, and after the air is absorbed and filtered by the heat preservation pipe, the formed dry gas enters the refrigerating box again for cyclic utilization, so that the heat loss is reduced, the energy consumption is reduced, and the dryness of the air is also improved;
the process switching can be rapidly and effectively carried out, one process of freezing treatment and drying treatment is carried out, and the other process is not interfered and carried out simultaneously, so that the working efficiency of the freezing drying treatment is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram provided by the present invention.
Fig. 2 is a schematic view of the connection between the thermal insulation pipe and the functional pipe.
Wherein:
1-a refrigeration box; 2, an air cooler; 3-a freeze drying chamber; 4-a heat preservation pipe; 5-a separator; 6, a motor; 7-a supporting plate; 8-a first electrical heating tube; 9-a second electric heating tube; 10-third electrothermal tube; 11-an evaporator; 12-a condenser; 13-a compressor; 31-a freezing chamber; 32-a drying chamber; 33-a first temperature sensor; 34-a second temperature sensor; 41-stainless steel filter screen layer; 42-a filter layer; 43-absorbent pledget layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The embodiment of the utility model discloses a freeze-drying device for producing polyimide films, which comprises a bottom plate, wherein a refrigerating box 1, an air cooler 2 and a freeze-drying chamber 3 are fixedly arranged on the upper end surface of the bottom plate from left to right in sequence; an evaporator 11 is fixedly installed at the bottom in the refrigeration box 1, a condenser 12 and a compressor 13 are sequentially and fixedly installed at the bottom outside the refrigeration box, the compressor 13 is respectively communicated with the evaporator 11 and the condenser 12 through pipelines, the evaporator 11 and the condenser 12 are communicated through a capillary tube, an inlet of an air cooler 2 is communicated with the inside of the refrigeration box 1 through a pipeline, an outlet of the air cooler 2 is communicated with the inside of a freeze drying chamber 3 through a pipeline, and the top in the freeze drying chamber 3 is communicated with the top in the refrigeration box 1 through a heat preservation pipe 4;
a feed inlet and a discharge outlet are respectively arranged on two sides of the freeze drying chamber 3, a partition plate 5 is vertically arranged in the freeze drying chamber 3, the top end and the bottom end of the partition plate 5 are respectively and rotatably connected with the top wall and the bottom wall of the freeze drying chamber 3 through rotating shafts, the freeze drying chamber 3 is divided into a freezing cavity 31 and a drying cavity 32 by the partition plate 5, an electric heating device is arranged in the drying cavity 32, a motor 6 is also arranged at the bottom end outside the freeze drying chamber 3, and an output shaft of the motor 6 is in transmission connection with the rotating shaft at the bottom end of the partition plate 5;
a plurality of supporting plates 7 which are transversely arranged are respectively distributed on two sides of the partition plate 5 from top to bottom, and a plurality of through holes are uniformly distributed on the supporting plates 7, so that the film is uniformly frozen or dried.
In a specific embodiment, the electric heating device comprises a first electric heating tube 8 which is installed at the top end of the drying cavity 32 and extends horizontally, a second electric heating tube 9 which extends horizontally at the bottom end of the drying cavity, and a third electric heating tube 10 which extends vertically at the right end of the drying cavity; the top end of the freezing chamber 31 is provided with a first temperature sensor 33, and the bottom end of the drying chamber 32 is also provided with a second temperature sensor 34, so that the temperature in the chamber can be monitored and timely responded, and supercooling or overheating can be prevented.
Advantageously, the heat insulation layer is embedded in the partition plate 5 along the vertical direction, so that energy exchange between the freezing cavity and the drying cavity can be further prevented, and the freezing effect and the drying effect are respectively guaranteed.
In a specific embodiment, the heat preservation pipe 4 is detachably connected with a functional pipe, and a water absorption filter layer is arranged in the functional pipe; the filter layer that absorbs water includes stainless steel filter screen layer 41 in proper order, filter element layer 42 and the cotton layer 43 that absorbs water, stainless steel filter screen layer 41, filter element layer 42 and the cotton layer 43 that absorbs water between the interval set up, threaded connection or bayonet connection are adopted at function pipe both ends and 4 both ends of insulating tube, function pipe both ends all are equipped with the boss in this embodiment, the insulating tube design that both ends are connected with it is rather than the step form mouth of pipe that matches, through above-mentioned structure, with convenient the installing on the insulating tube of function pipe, also can be convenient dismantlement.
When the device is used for freeze drying treatment, firstly, a feed inlet is opened, a polyimide film is placed on a supporting plate, then a compressor is started firstly, the compressor compresses a condensing agent into high-temperature and high-pressure gas and then presses the gas into a condenser, the condensing agent forms high-pressure and normal-temperature liquid in the condenser and flows into an evaporator, the pressure of a refrigerant is suddenly reduced due to the large pipe diameter of the evaporator, the refrigerant is enabled to quickly evaporate and absorb heat in a refrigeration box until the refrigerant is completely gasified and flows into the compressor, refrigeration is repeatedly carried out in such a way, then an air cooler is started to introduce cold air into a refrigeration cavity in a freeze drying chamber, and meanwhile, a first temperature sensor is used for monitoring the refrigeration temperature in the refrigeration cavity in real time.
After the freezing operation is finished, the motor can be directly started to act to drive the partition plate to rotate, so that the supporting plate originally positioned in the freezing cavity rotates to the drying cavity, then the first electric heating tube, the second electric heating tube and the third electric heating tube can be directly restarted to work for drying treatment, air in the drying cavity is filtered after being absorbed by the heat-insulating tube, and then the formed dry air enters the refrigerating box again for recycling, so that the heat loss is reduced, the energy consumption is reduced, and the dryness of the air is improved after the water absorption and filtration;
the utility model discloses not only can switch fast, effectively, in addition when carrying out a process among freezing treatment and the drying process, still do not disturb another kind of process and also go on simultaneously to the work efficiency of freeze drying treatment has been promoted greatly.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a freeze-drying device is used in polyimide film production, includes the bottom plate, its characterized in that:
a refrigeration box (1), an air cooler (2) and a freeze drying chamber (3) are fixedly arranged on the upper end surface of the bottom plate from left to right in sequence;
an evaporator (11) is fixedly mounted at the bottom in the refrigeration box (1), a condenser (12) and a compressor (13) are sequentially and fixedly mounted at the bottom outside the refrigeration box, the compressor (13) is respectively communicated with the evaporator (11) and the condenser (12) through pipelines, the evaporator (11) and the condenser (12) are communicated through capillary tubes, an inlet of an air cooler (2) is communicated with the inside of the refrigeration box (1) through a pipeline, an outlet of the air cooler (2) is communicated with the inside of a freeze drying chamber (3) through a pipeline, and the top in the freeze drying chamber (3) is communicated with the top in the refrigeration box (1) through a heat preservation pipe (4);
a feed inlet and a discharge outlet are respectively arranged on two sides of the freeze drying chamber (3), a partition plate (5) is vertically arranged in the freeze drying chamber (3), the top end and the bottom end of the partition plate (5) are respectively and rotatably connected with the top wall and the bottom wall of the freeze drying chamber (3) through rotating shafts, the freeze drying chamber (3) is divided into a freeze cavity (31) and a drying cavity (32) by the partition plate (5), an electric heating device is arranged in the drying cavity (32), a motor (6) is arranged at the bottom end outside the freeze drying chamber (3), and an output shaft of the motor (6) is in transmission connection with the rotating shaft positioned at the bottom end of the partition plate (5);
the two sides of the partition plate (5) are respectively provided with a plurality of transversely arranged supporting plates (7) from top to bottom, and a plurality of through holes are uniformly distributed on the supporting plates (7).
2. The freeze-drying device for polyimide film production according to claim 1, wherein the electric heating device comprises a first electric heating tube (8) installed at the top end of the drying chamber (32) and extending horizontally, a second electric heating tube (9) installed at the bottom end of the drying chamber and extending horizontally, and a third electric heating tube (10) installed at the right end of the drying chamber and extending vertically.
3. The freeze-drying device for polyimide film production according to claim 1, wherein a first temperature sensor (33) is provided at the top end of the freezing chamber (31), and a second temperature sensor (34) is provided at the bottom end of the drying chamber (32).
4. The freeze-drying device for producing the polyimide film according to claim 1, wherein a heat insulation layer is embedded in the partition plate (5) along a vertical direction.
5. The freeze-drying device for producing the polyimide film is characterized in that the heat preservation pipe (4) is detachably connected with a functional pipe, and a water absorption filter layer is arranged in the functional pipe; the water absorption filter layer sequentially comprises a stainless steel filter net layer (41), a filter element layer (42) and a water absorption cotton piece layer (43), and the stainless steel filter net layer (41), the filter element layer (42) and the water absorption cotton piece layer (43) are arranged at intervals.
6. The freeze-drying device for producing the polyimide film according to claim 5, wherein two ends of the functional tube are in threaded connection or plug-in connection with two ends of the heat preservation tube (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922060458.7U CN211307109U (en) | 2019-11-26 | 2019-11-26 | Freeze-drying device is used in polyimide film production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922060458.7U CN211307109U (en) | 2019-11-26 | 2019-11-26 | Freeze-drying device is used in polyimide film production |
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| CN211307109U true CN211307109U (en) | 2020-08-21 |
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| CN201922060458.7U Active CN211307109U (en) | 2019-11-26 | 2019-11-26 | Freeze-drying device is used in polyimide film production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280583A (en) * | 2021-06-10 | 2021-08-20 | 南京知一开物科技有限公司 | Freeze drying method and apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280583A (en) * | 2021-06-10 | 2021-08-20 | 南京知一开物科技有限公司 | Freeze drying method and apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Freeze drying device for polyimide film production Effective date of registration: 20211221 Granted publication date: 20200821 Pledgee: Bank of Nanjing Limited by Share Ltd. Wuxi branch Pledgor: WUXI SHUNXUAN NEW MATERIALS CO.,LTD. Registration number: Y2021320010582 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |