CN209744874U - Lithium battery steam drying device - Google Patents
Lithium battery steam drying device Download PDFInfo
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- CN209744874U CN209744874U CN201920297120.0U CN201920297120U CN209744874U CN 209744874 U CN209744874 U CN 209744874U CN 201920297120 U CN201920297120 U CN 201920297120U CN 209744874 U CN209744874 U CN 209744874U
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Abstract
the utility model discloses a lithium cell steam drying device, including the dry box that is used for dry lithium cell, steam generating device and vacuum pump are connected respectively to dry box, dry box includes the lid and places the anchor clamps of battery, anchor clamps include the vertical heat-generating body of several rows of parallel arrangement of bottom heat-generating body and perpendicular to bottom heat-generating body, the equidistant several stopper that is equipped with of the vertical heat-generating body of perpendicular to between the two vertical heat-generating bodies of adjacent, the stopper constitutes the space of placing of a plurality of heating lithium cells with vertical heat-generating body, vertical heat-generating body is the heat conduction cavity structure that heat-conduction thin slice was made with the bottom heat-generating body, all be equipped with heating medium. The utility model discloses a combine the dry special requirement of lithium cell, adopt purpose-made dry box structure, make full use of steam and superheated steam reach the effect of carrying out vacuum heating drying to the lithium cell as the heat source, and the security performance is good.
Description
Technical Field
The utility model relates to a lithium cell production technical field, concretely relates to lithium cell steam drying device.
Background
Moisture in the lithium battery is an important factor affecting the performance of the battery, and once the moisture content in the battery is not well controlled, the moisture content not only affects the capacity and the service life of the battery, but also easily causes the phenomena of battery burst, ignition and the like, so the lithium battery needs to be dried. At present, when the lithium battery is dried mainly by adopting a heated air circulation type, contact type and other electric heating modes, electric heating is carried out in a high vacuum state, and short circuit, open circuit, fire, unstable work and the like are easily caused due to the problem of circuit connection.
The superheated steam drying refers to a drying mode of removing moisture by directly contacting superheated steam with a dried material, the superheated steam is used as a drying medium, all waste gas discharged by a dryer is steam, latent heat of the steam can be recovered and utilized by utilizing a condensation method, the thermal efficiency is high, the energy-saving effect is obvious, and at present, a scheme of heating a lithium battery by the superheated steam is not available.
SUMMERY OF THE UTILITY MODEL
the utility model provides a lithium cell steam drying device combines the dry special requirement of lithium cell, adopts purpose-made dry box structure, and make full use of steam and superheated steam reach the effect of carrying out vacuum heating drying to the lithium cell as the heat source, and the security performance is good.
In order to achieve the purpose, the following technical scheme is adopted:
Lithium cell steam drying device, including the dry box that is used for dry lithium cell, still include steam generator, vacuum pump, steam generator and vacuum pump are connected respectively to the dry box, the dry box includes the lid and places the anchor clamps of battery, anchor clamps include bottom heat-generating body and perpendicular to bottom heat-generating body's several rows of parallel arrangement's vertical heat-generating body, the equidistant several stopper that is equipped with of vertical heat-generating body of perpendicular to between the two vertical heat-generating bodies of adjacent, the stopper constitutes the space of placing of a plurality of heating lithium cells with vertical heat-generating body, vertical heat-generating body is the heat conduction cavity structure body that heat-conducting thin slice was made with bottom heat-generating body, all be equipped with heating medium import and heating medium export on.
Further, the heat-conducting cavity structural bodies of the longitudinal heating body and the bottom heating body are not communicated independently, and a heating medium inlet of the heat-conducting cavity structural body is communicated with a steam outlet of the steam generating device.
The steam heating device is connected with the steam generating device, and steam generated by the steam generating device is heated by the steam heater to become superheated steam; the heat-conducting cavity structural bodies of the longitudinal heating body and the bottom heating body are not communicated independently, and a heating medium inlet of the heat-conducting cavity structural body is communicated with a superheated steam outlet of the steam heater.
The steam generator further comprises a first steam flow guide device and a second steam flow guide device, wherein the first steam flow guide device and the second steam flow guide device respectively comprise a main pipeline and a plurality of branch pipelines communicated with the main pipeline, and a steam outlet of the steam generator is communicated with the longitudinal heating body and a heating medium inlet of a heat-conducting cavity structure body of the bottom heating body through the branch pipelines of the first steam flow guide device; and a branch pipeline of the second steam guide device is connected with the longitudinal heating body and a heating medium outlet of the heat-conducting cavity structural body of the bottom heating body.
the superheated steam outlet of the steam heater is communicated with the longitudinal heating body and the heating medium inlet of the heat-conducting cavity structure body of the bottom heating body through the branch pipeline of the first steam flow guiding device; and a branch pipeline of the second steam guide device is connected with the longitudinal heating body and a heating medium outlet of the heat-conducting cavity structural body of the bottom heating body.
The steam generator further comprises a condenser, a main pipeline of the second steam guide device is connected with the condenser, and steam and condensate water condensed by the condenser return to the steam generator through pipelines.
Further, the drying box is internally provided with a temperature sensor, the temperature sensor is connected with an external control system, and the steam generating device and the steam heater are connected with the external control system.
Adopt above-mentioned technical scheme, the utility model discloses following technological effect has:
1. The utility model discloses a lithium cell steam drying device, vertical heat-generating body and bottom heat-generating body are the heat conduction cavity structure body that heat conduction thin slice was made, all are equipped with heating medium import and heating medium export on the heat conduction cavity structure body, make full use of steam and superheated steam as the heat source, reach the effect of carrying out vacuum heating drying to the lithium cell, and the security performance is good;
2. The utility model discloses a lithium cell steam drying device, the heat conduction cavity structure body heating medium export intercommunication condenser of vertical heat-generating body, bottom heat-generating body, steam and the comdenstion water after the condenser condensation return steam generator through the pipeline for steam reutilization, the energy saving.
drawings
Fig. 1 is a schematic structural view of the drying box of the present invention;
FIG. 2 is a schematic structural view of the clamp of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
FIG. 5 is a schematic view of the structure of a longitudinal heat-generating body;
FIG. 6 is a schematic view showing another angle structure of the longitudinal heat-generating body;
Fig. 7 is a block diagram of a first embodiment of the present invention;
Fig. 8 is a block diagram of a second embodiment of the present invention;
In the figure: a drying box body-10; a clamp-11; a bottom heating element-12; a longitudinal heating element-13; a thermally conductive cavity structure-14; heating medium inlet-15; heating medium outlet-16; a limiting block-17; a steam generating device-20; -30, a vacuum pump; a first steam guiding device-41; a second steam guiding device-42; a main conduit-43; a branch conduit-44; a condenser-50; steam heater-60.
Detailed Description
to further explain the technical solution of the present invention, the present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1
With reference to fig. 1-7, the utility model provides a lithium battery steam drying device, which comprises a drying box body 10 for drying lithium batteries, a steam generating device 20 and a vacuum pump 30, wherein the drying box body 10 is respectively connected with the steam generating device 20 and the vacuum pump 30, the drying box body 10 comprises a cover body and a clamp 11 for placing batteries, the clamp 11 comprises a bottom heating element 12 and a plurality of rows of longitudinal heating elements 13 which are arranged in parallel and vertical to the bottom heating element 12, a plurality of limit blocks 17 are arranged between two adjacent longitudinal heating elements 13 at equal intervals and vertical to the longitudinal heating elements 13, the limit blocks 17 and the longitudinal heating elements 13 form a plurality of placing spaces for heating lithium batteries, the longitudinal heating element 13 and the bottom heating element 12 both comprise a heat-conducting cavity structural body 14 made of a heat-conducting sheet, and a heating medium inlet 15 and a heating medium outlet 16 which are arranged on the heat-conducting cavity structural body 14; the longitudinal heating element 13 and the heat conducting cavity structural body 14 of the bottom heating element 12 are not communicated independently, and the heating medium inlet 15 of the heat conducting cavity structural body 14 is communicated with the steam outlet of the steam generating device 20. Steam generated by the steam generating device 20 enters the heat conducting cavity structure body 14 of the bottom heating element 12 and the longitudinal heating element 13 from the heating medium inlet 15 respectively, and the lithium battery is heated in a contact mode by the heat conducting cavity structure body 14 through heat conduction of the steam to the heat conducting cavity structure body 14, so that the aim of drying the lithium battery is fulfilled.
In this embodiment, as shown in fig. 1 to 6, the drying apparatus further includes a first steam guiding device 41 and a second steam guiding device 42 located inside the drying cabinet 10, each of the first steam guiding device 41 and the second steam guiding device 42 includes a main pipe 43 and a plurality of branch pipes 44 communicated with the main pipe, a steam outlet of the steam generating device 20 is communicated with the longitudinal heating element 13 and the heating medium inlet 15 of the heat conducting cavity structure 14 of the bottom heating element 12 through the branch pipes of the first steam guiding device 41; the branch pipes of the second steam guiding device 42 are connected with the longitudinal heating element 13 and the heating medium outlet 16 of the heat conducting cavity structural body 14 of the bottom heating element 12. The main pipes 43 of the first steam guiding device 41 and the second steam guiding device are welded and sealed on the drying box body to ensure a vacuum environment inside the drying box body.
In this embodiment, the steam generator further includes a condenser 50, the main pipeline of the second steam guiding device 42 is connected to the condenser 50, and the steam and the condensed water condensed by the condenser 50 are returned to the steam generating device 20 through the pipeline, so that the steam is reused, and energy is saved.
In this embodiment, a temperature sensor is further disposed inside the drying cabinet 10, the temperature sensor is connected to an external control system, and the steam generating device 20 is connected to the external control system, so as to achieve the purpose of automatic control.
example 2
Compared with the embodiment 1, with reference to fig. 1 to 6 and 7, the steam heating device further comprises a steam heater 60, the steam heater 60 is connected with the steam generating device 20, the steam generated by the steam generating device 20 is heated by the steam heater 60 to be superheated steam, the longitudinal heating element 13 and the heat-conducting cavity structural body 14 of the bottom heating element 12 are not independently communicated, and the heating medium inlet 15 of the heat-conducting cavity structural body 14 is communicated with the superheated steam outlet of the steam heater 60; the superheated steam outlet of the steam heater 60 is communicated with the longitudinal heating element 13 and the heating medium inlet 15 of the heat-conducting cavity structural body 14 of the bottom heating element 12 through the branch pipeline of the first steam guide device 41; the branch pipes of the second steam guiding device 42 are connected with the longitudinal heating element 13 and the heating medium outlet 16 of the heat conducting cavity structural body 14 of the bottom heating element 12.
in this embodiment, a temperature sensor is further disposed inside the drying cabinet 10, the temperature sensor is connected to an external control system, and the steam generating device 20 and the steam heater 60 are both connected to the external control system.
The utility model discloses a lithium cell steam drying device, vertical heat-generating body and bottom heat-generating body are the heat conduction cavity structure body that heat conduction thin slice was made, all are equipped with heating medium import and heating medium export on the heat conduction cavity structure body, make full use of steam and superheated steam as the heat source, reach the effect of carrying out vacuum heating drying to the lithium cell, and the security performance is good; the outlets of the heating media of the heat-conducting cavity structure bodies of the longitudinal heating body and the bottom heating body are communicated with the condenser, and steam and condensed water condensed by the condenser return to the steam generating device through pipelines, so that the steam is secondarily utilized, and energy is saved.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and those skilled in the art should understand that they can make appropriate modifications and improvements without departing from the spirit of the present invention.
Claims (7)
1. Lithium cell steam drying device, including the dry box that is used for dry lithium cell, its characterized in that still includes steam generator, vacuum pump, steam generator and vacuum pump are connected respectively to the dry box, the anchor clamps of dry box including the lid and placing the battery, anchor clamps include bottom heat-generating body and the vertical heat-generating body of the several rows parallel arrangement of perpendicular to bottom heat-generating body, the equidistant several stopper that is equipped with of the vertical heat-generating body of perpendicular to between the two vertical heat-generating bodies of adjacent, the stopper constitutes the space of placing of a plurality of heating lithium cells with vertical heat-generating body, vertical heat-generating body all includes the heat conduction cavity structure body that heat-conduction thin slice made and locates the heating medium import and the heating medium export on the heat conduction cavity structure body.
2. The lithium battery steam drying device of claim 1, wherein the heat conducting cavity structures of the longitudinal heating element and the bottom heating element are not independently communicated, and a heating medium inlet of the heat conducting cavity structure is communicated with a steam outlet of the steam generating device.
3. the lithium battery steam drying device of claim 1, further comprising a steam heater connected to the steam generating device, wherein the steam generated by the steam generating device is heated by the steam heater to become superheated steam; the heat-conducting cavity structural bodies of the longitudinal heating body and the bottom heating body are not communicated independently, and a heating medium inlet of the heat-conducting cavity structural body is communicated with a superheated steam outlet of the steam heater.
4. the lithium battery steam drying device of claim 2, further comprising a first steam guiding device and a second steam guiding device, wherein the first steam guiding device and the second steam guiding device each comprise a main pipe and a plurality of branch pipes communicated with the main pipe, and a steam outlet of the steam generating device is communicated with the longitudinal heating element and a heating medium inlet of the heat conducting cavity structure of the bottom heating element through the branch pipes of the first steam guiding device; and a branch pipeline of the second steam guide device is connected with the longitudinal heating body and a heating medium outlet of the heat-conducting cavity structural body of the bottom heating body.
5. The lithium battery steam drying device of claim 3, further comprising a first steam guiding device and a second steam guiding device, wherein the first steam guiding device and the second steam guiding device each comprise a main pipe and a plurality of branch pipes communicated with the main pipe, and a superheated steam outlet of the steam heater is communicated with the longitudinal heating element and a heating medium inlet of the heat conducting cavity structure of the bottom heating element through the branch pipes of the first steam guiding device; and a branch pipeline of the second steam guide device is connected with the longitudinal heating body and a heating medium outlet of the heat-conducting cavity structural body of the bottom heating body.
6. The lithium battery steam drying device as claimed in claim 4 or 5, further comprising a condenser, wherein the main pipeline of the second steam guiding device is connected with the condenser, and the steam and the condensed water condensed by the condenser are returned to the steam generating device through pipelines.
7. the lithium battery steam drying device as claimed in claim 6, wherein a temperature sensor is further arranged in the drying box body, the temperature sensor is connected with an external control system, and the steam generating device and the steam heater are both connected with the external control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920297120.0U CN209744874U (en) | 2019-03-10 | 2019-03-10 | Lithium battery steam drying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920297120.0U CN209744874U (en) | 2019-03-10 | 2019-03-10 | Lithium battery steam drying device |
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| CN209744874U true CN209744874U (en) | 2019-12-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207569A (en) * | 2019-12-19 | 2020-05-29 | 东莞市德瑞精密设备有限公司 | Lithium battery vacuum heating drying device |
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2019
- 2019-03-10 CN CN201920297120.0U patent/CN209744874U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207569A (en) * | 2019-12-19 | 2020-05-29 | 东莞市德瑞精密设备有限公司 | Lithium battery vacuum heating drying device |
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