CN211782555U

CN211782555U - High performance lithium cell dewatering drying equipment

Info

Publication number: CN211782555U
Application number: CN201922281068.2U
Authority: CN
Inventors: 余荣平; 方兴
Original assignee: Wisher Environmental Technology Shanghai Co ltd
Current assignee: Wisher Environmental Technology Shanghai Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-10-27
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a high performance lithium cell dewatering drying equipment relates to lithium cell processing switch technical field, including support frame, full-automatic baking tunnel stove, ultra-low temperature dehumidifier, vacuum oven, gas-supply pipe and auxiliary frame, full-automatic baking tunnel stove includes that a plurality of toasts chamber, reinforcing plate and opening, and the auxiliary frame includes connecting rod, arc backup pad, slipmat and through-hole. The utility model discloses can realize full-automatic unmanned production, it is big to dehumidify effectual productivity, personnel's of reducing are dredged, need not use the not high 99% nitrogen gas of purity completely, the nitrogen gas that significantly reduces makes the consumptive material of the energy and molecular sieve that consume, the dewatering time shortens greatly than traditional formula vacuum oven, the circulation process of the dry gas is put in the evacuation, and recycle after retrieving the wet gas reduction, consequently greatly reduced the energy consumption, can strengthen the stability of gas-supply pipe, prevent that the gas-supply pipe from sliding, can cushion the slipmat, strengthen slipmat non-skid property simultaneously.

Description

High performance lithium cell dewatering drying equipment

Technical Field

The utility model relates to a lithium cell processing technology field, more specifically say, the utility model relates to a high performance lithium cell dewatering drying equipment.

Background

The lithium battery product is poor mainly because the water content of the pole piece and the isolating membrane of the battery is too high, and because the density of the battery core after the pole piece is coiled is high, the moisture can not be effectively removed. At present, the stoving dewatering processing procedure of lithium battery electricity core mainly adopts the oven heating, the evacuation, irritate nitrogen gas, heated air circulation's processing procedure, lead to the unable electric core central authorities that get into of heat source because of the not enough vacuum, the unable evaporation of moisture in the electric core, outer air leaks into in the cavity when leading to the evacuation because of the poor leakproofness of vacuum cavity, bring the moisture into the battery, nitrogen gas purity is not enough, the moisture content exceeds more than 100ppm, circulate and the nitrogen gas volume is not enough at the intracavity with impure nitrogen gas, nitrogen gas has been polluted, can't replace the moisture content in the electric core, aqueous vapor in the vacuum oven is unable to be discharged in the stoving in-process, lead to toasting the time overlength, can accomplish in 12 ~ 24 hours, cause the productivity.

The existing lithium battery dewatering equipment cannot remove water in a battery core and lose a large amount of energy due to various reasons such as poor cavity tightness, insufficient pumping force of a vacuum pump, insufficient nitrogen purity and high water content …, and cannot obtain due dewatering effect.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a high performance lithium cell dewatering drying equipment, the utility model aims to solve the problem that: how to effectively remove the moisture in the battery cell and save energy consumption.

In order to achieve the above object, the utility model provides a following technical scheme: a high-performance dewatering and drying device for a lithium battery comprises a support frame, a full-automatic baking tunnel furnace, an ultralow temperature dehumidifier and a vacuum oven, wherein the full-automatic baking tunnel furnace is arranged at the top of the support frame, the ultralow temperature dehumidifier and the vacuum oven are arranged at the outer side of the full-automatic baking tunnel furnace, the ultralow temperature dehumidifier outer wall is fixedly connected with the vacuum oven outer wall, the ultralow temperature dehumidifier and the vacuum oven are respectively communicated with the full-automatic baking tunnel furnace, the full-automatic baking tunnel furnace comprises a plurality of baking cavities, reinforcing plates are arranged between every two adjacent baking cavities, the reinforcing plates outer wall is provided with openings matched with the baking cavities, a gas pipe is arranged on one side of the vacuum oven outer wall and communicated with the baking cavities, the reinforcing plates outer wall is provided with auxiliary frames matched with the gas pipe, the auxiliary frame comprises a connecting rod, an arc-shaped supporting plate is arranged at one end of the connecting rod, a plurality of anti-slip pads are arranged on the inner wall of the arc-shaped supporting plate, and a plurality of through holes are formed in the anti-slip pads.

The embodiment of the utility model provides a high performance lithium cell dewatering drying equipment, full-automatic baking tunnel furnace can realize full-automatic unmanned production, the effectual productivity of dehumidification is big, reduce personnel's careless, the ultra-low temperature dehumidifier can make ultra-low temperature-5 ℃ environment, can realize ultra-low temperature refrigeration dehumidification effect, adopt the high vacuum to add the super-dry gas of gathering through the gas-supply pipe after the aqueous vapor in the electricity core is taken out, continuous cyclic replacement reaches dehumidification effect, ultra-low temperature-5 ℃ + super dehumidification system + pyrogen system + super high vacuum system form the dry gas below 5ppm and replace the moisture content in the electricity core, continuous cycle self-control the dry gas below 5ppm, need not use the nitrogen gas that the purity is not high 99% completely, the energy that the nitrogen gas manufacturing consumed and the consumptive material of molecular sieve greatly reduce, because adopt a large amount of many times dry air replacement to reach the dewatering, the dewatering time is greatly shortened compared with the conventional vacuum oven, only one third of the processing time of the conventional baking equipment is needed, because the device of an ultralow temperature-5 ℃, a super dehumidification system, a pyrogen system and an ultrahigh vacuum system is adopted, the circulating processing procedure of continuously vacuumizing and releasing dry gas is adopted, and the recovered wet gas is recovered and reused, the energy consumption is greatly reduced, the energy is saved by more than 80 percent compared with the conventional vacuum oven, when vacuumizing is carried out, the vacuumized water-containing gas is circulated to the dehumidification system and then reduced into the dry gas, and then enters a vacuum cavity, and is circulated repeatedly and continuously, no waste gas is discharged, the service life of the equipment is long, the Sweden ultrahigh dehumidification system can be continuously used for 7 ten thousand hours, the maintenance material cost is low, the auxiliary frame can enhance the stability of the gas transmission pipe, the connecting rod is used for fixedly connecting the auxiliary frame and the reinforcing plate, and the arc-shaped supporting plate is sleeved outside the gas transmission pipe, can support the gas-supply pipe, the stability of gas-supply pipe can be strengthened to the slipmat, prevents that the gas-supply pipe from sliding, and the through-hole can cushion the slipmat, can strengthen slipmat non-slip property simultaneously to solve the problem of proposing among the above-mentioned background art.

In a preferred embodiment, the bottom of the support frame is provided with a plurality of support legs, and the support legs support the bottom of the support frame.

In a preferred embodiment, the ultra-low temperature dehumidifier and the vacuum oven are both arranged at the top of the support frame, so that the ultra-low temperature dehumidifier and the vacuum oven can be fixedly supported.

In a preferred embodiment, a movably connected conveying chain is arranged at the inner bottom of the full-automatic baking tunnel furnace, and the conveying chain can be used for conveying the battery cells.

In a preferred embodiment, the bottom of the reinforcing plate is connected with the top of the supporting frame, and the reinforcing plate supports the bottom of the full-automatic baking tunnel furnace to enhance the stability of the full-automatic baking tunnel furnace.

In a preferred embodiment, the outer wall of the reinforcing plate is provided with a plurality of assembling holes outside the opening, and the assembling holes are convenient for fixedly connecting different baking cavities.

In a preferred embodiment, the gas-supply pipe outer wall is equipped with a plurality of shunt tubes, full-automatic toasting tunnel furnace top is equipped with a plurality of inlet head, the shunt tubes with the inlet head is connected, the gas-supply pipe passes through the shunt tubes with the inlet head with toast the chamber intercommunication, be convenient for admit air and exhaust.

In a preferred embodiment, full-automatic stoving tunnel stove one end is equipped with the feed inlet, the full-automatic stoving tunnel stove other end is equipped with the bin outlet, the ultra-low temperature dehumidifier is located full-automatic stoving tunnel stove outside is close to feed inlet one end is followed electric core the feed inlet gets into full-automatic stoving tunnel stove is inboard, follows the bin outlet is discharged.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up full-automatic tunnel oven that toasts, the ultra-low temperature dehumidifier, the vacuum oven, toast the chamber, the reinforcing plate, opening and gas-supply pipe, full-automatic tunnel oven that toasts can realize full-automatic unmanned production, it is big to dehumidify effectual productivity, personnel's of reducing are dredged, need not use the nitrogen gas that purity is not high 99%, the nitrogen gas that significantly reduces makes the energy that consumes and the consumptive material of molecular sieve, the dewatering time shortens greatly than traditional formula vacuum oven, the circulation process of the dry gas is put out in the evacuation, and recycle after retrieving the wet gas reduction, therefore greatly reduced the energy consumption.

2. The utility model discloses a set up connecting rod, arc backup pad, slipmat and through-hole, can strengthen the stability of gas-supply pipe, prevent that the gas-supply pipe from sliding, can cushion the slipmat, strengthen slipmat non-skid property simultaneously.

Drawings

Fig. 1 is a front view of the whole body of the present invention.

Fig. 2 is a schematic structural view of the reinforcing plate of the present invention.

Fig. 3 is an overall front sectional view of the present invention.

Fig. 4 is a front sectional view of the whole back of the present invention.

Fig. 5 is a top view of the gas pipe of the present invention.

Fig. 6 is a side view of the auxiliary frame of the present invention.

The reference signs are: the device comprises a support frame 1, a full-automatic baking tunnel furnace 2, an ultralow temperature dehumidifier 3, a vacuum oven 4, a baking cavity 5, a reinforcing plate 6, an opening 7, an air delivery pipe 8, an auxiliary frame 9, a connecting rod hole 10, an arc-shaped support plate 11, a non-slip mat 12, a through hole 13, a supporting leg 14, a conveying chain 15, an assembly hole 16, a flow dividing pipe 17, an air inlet head 18, a feed inlet 19 and a discharge outlet 20.

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.

The high-performance lithium battery dewatering and drying equipment shown in the figures 1-5 comprises a support frame 1, a full-automatic baking tunnel furnace 2, an ultralow temperature dehumidifier 3 and a vacuum oven 4, wherein the full-automatic baking tunnel furnace 2 is arranged at the top of the support frame 1, the ultralow temperature dehumidifier 3 and the vacuum oven 4 are both arranged at the outer side of the full-automatic baking tunnel furnace 2, the outer wall of the ultralow temperature dehumidifier 3 is fixedly connected with the outer wall of the vacuum oven 4, the ultralow temperature dehumidifier 3 and the vacuum oven 4 are respectively communicated with the full-automatic baking tunnel furnace 2, the full-automatic baking tunnel furnace 2 comprises a plurality of baking cavities 5, a reinforcing plate 6 is arranged between every two adjacent baking cavities 5, the outer wall of the reinforcing plate 6 is provided with an opening 7 matched with the baking cavities 5, one side of the outer wall of the vacuum oven 4 is provided with a gas pipe 8, the gas pipe 8 is communicated with the baking cavity 5, and the outer wall of the reinforcing plate 6 is provided with an auxiliary frame 9 matched with the gas pipe 8;

the bottom of the support frame 1 is provided with a plurality of supporting feet 14, and the supporting feet 14 support the bottom of the support frame 1;

the ultra-low temperature dehumidifier 3 and the vacuum oven 4 are arranged at the top of the support frame 1, so that the ultra-low temperature dehumidifier 3 and the vacuum oven 4 can be fixedly supported conveniently;

the bottom of the inner side of the full-automatic baking tunnel furnace 2 is provided with a movably connected conveying chain 15, and the conveying chain 15 can be used for conveying the battery cell;

the bottom of the reinforcing plate 6 is connected with the top of the support frame 1, and the reinforcing plate 6 supports the bottom of the full-automatic baking tunnel furnace 2 to enhance the stability of the full-automatic baking tunnel furnace 2;

a plurality of assembling holes 16 are formed in the outer wall of the reinforcing plate 6 and positioned outside the opening 7, and the assembling holes 16 are convenient for fixedly connecting different baking cavities 5;

the outer wall of the gas pipe 8 is provided with a plurality of shunt pipes 17, the top of the full-automatic baking tunnel furnace 2 is provided with a plurality of gas inlet heads 18, the shunt pipes 17 are connected with the gas inlet heads 18, and the gas pipe 8 is communicated with the baking cavity 5 through the shunt pipes 17 and the gas inlet heads 18, so that gas inlet and gas exhaust are facilitated;

full-automatic 2 one ends of baking tunnel stove are equipped with feed inlet 19, the 2 other ends of full-automatic baking tunnel stove are equipped with bin outlet 20, ultra-low temperature dehumidifier 3 is located 2 outsides of full-automatic baking tunnel stove are close to 19 one ends of feed inlet follow electric core 19 gets into full-automatic baking tunnel stove 2 inboards are followed the bin outlet 20 is discharged.

The implementation mode is specifically as follows: when in use, the full-automatic baking tunnel furnace 2, the ultra-low temperature dehumidifier 3, the vacuum oven 4, the baking cavity 5, the reinforcing plate 6, the opening 7 and the gas pipe 8 are arranged, the full-automatic baking tunnel furnace 2 can realize full-automatic unmanned production, the dehumidifying effect is good, the productivity is high, the personnel loss is reduced, the ultra-low temperature dehumidifier 3 can manufacture an ultra-low temperature-5 ℃ environment and can realize the ultra-low temperature freezing dehumidifying effect, the high vacuum is adopted to pump out the water vapor in the battery core and then add the ultra-dry gas collected by the gas pipe 9, the continuous cyclic replacement achieves the dehumidifying effect, the ultra-low temperature-5 ℃ plus super dehumidifying system plus the pyrogen system plus the ultra-high vacuum system forms the dry gas below 5ppm to replace the moisture in the battery core, the continuous cyclic self-manufacture of the dry gas below 5ppm, the nitrogen with the purity not higher than 99% is completely not needed, the energy consumed by, because a large amount of dry air is replaced for many times to achieve the dewatering effect, the dewatering time is greatly shortened compared with the conventional vacuum oven, only one third of the processing time of the conventional baking equipment is needed, because the device of the ultra-low temperature of minus 5 ℃, the super dehumidification system, the pyrogen system and the ultra-high vacuum system and the circulating process of continuously vacuumizing and releasing the dry gas are adopted, and the wet gas is recovered for reuse after reduction, thereby greatly reducing the energy consumption, saving more than 80 percent of energy compared with the traditional vacuum oven, during vacuumizing, the vacuumized water-containing gas is circulated to the dehumidification system and then reduced into dry gas, and then enters the vacuum cavity, so that the gas is circulated repeatedly and continuously, no waste gas is discharged, the service life of the equipment is long, the equipment can be continuously used for 7 ten thousand hours by adopting the Swedish ultrahigh dehumidification system, the cost of maintenance consumables is low, and the auxiliary frame 9 can enhance the stability of the gas transmission pipe 8; the embodiment specifically solves the problems that in the prior art, moisture in a battery core of the existing lithium battery dewatering equipment cannot be removed, a large amount of energy is lost, and due dewatering effect cannot be obtained;

as shown in fig. 1, fig. 3-4 and fig. 6, the high-performance dewatering and drying device for lithium batteries comprises an auxiliary frame 9, wherein the auxiliary frame comprises a connecting rod 10, an arc-shaped supporting plate 11 is arranged at one end of the connecting rod 10, a plurality of anti-skid pads 12 are arranged on the inner walls of the arc-shaped supporting plate 11, and a plurality of through holes 13 are formed in the anti-skid pads 12.

The implementation mode is specifically as follows: during the use, through setting up connecting rod 10, arc backup pad 11, slipmat 12 and through-hole 13, connecting rod 10 is used for with

auxiliary frame

9 and 6 fixed connection of reinforcing plate, and 11 covers in the 8 outsides of gas-supply pipe of arc backup pad can support gas-supply pipe 8, and slipmat 12 can strengthen the stability of gas-supply pipe 8, prevents that gas-supply pipe 8 from sliding, and through-hole 13 can cushion slipmat 12, can strengthen slipmat 12 non-slip properties simultaneously.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, by arranging a full-automatic baking tunnel furnace 2, an ultralow temperature dehumidifier 3, a vacuum oven 4, a baking cavity 5, a reinforcing plate 6, an opening 7 and a gas conveying pipe 8, the full-automatic baking tunnel furnace 2 can realize full-automatic unmanned production, has good dehumidifying effect and high productivity, reduces personnel loss, completely does not need to use nitrogen with the purity of not higher than 99%, greatly reduces energy consumed by nitrogen manufacture and consumable materials of a molecular sieve, greatly shortens the water removing time compared with a traditional vacuum oven, vacuumizes and discharges the circulating process of drying gas, and recycles the wet gas after reduction, thereby greatly reducing the energy consumption;

further, referring to the attached drawings 1, 3-4 and 6 in the specification, the stability of the air delivery pipe 8 can be enhanced by arranging the connecting rod 10, the arc-shaped supporting plate 11, the non-slip mat 12 and the through hole 13, the air delivery pipe 8 is prevented from sliding, the non-slip mat 12 can be buffered, and the non-slip performance of the non-slip mat 12 is enhanced.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high performance lithium cell dewatering drying equipment, includes support frame (1), full-automatic baking tunnel stove (2), ultra-low temperature dehumidifier (3) and vacuum oven (4), its characterized in that: full-automatic baking tunnel furnace (2) is arranged at the top of the support frame (1), ultra-low temperature dehumidifier (3) and vacuum oven (4) are arranged at the outside of the full-automatic baking tunnel furnace (2), the outer wall of the ultra-low temperature dehumidifier (3) is fixedly connected with the outer wall of the vacuum oven (4), the ultra-low temperature dehumidifier (3) and the vacuum oven (4) are equally divided into a plurality of baking cavities (5) which are communicated with the full-automatic baking tunnel furnace (2), the full-automatic baking tunnel furnace (2) comprises a plurality of baking cavities (5), two adjacent baking cavities (5) are provided with reinforcing plates (6) between each other, the outer wall of each reinforcing plate (6) is provided with an opening (7) matched with the baking cavity (5), one side of the outer wall of the vacuum oven (4) is provided with a gas pipe (8), the gas pipe (8) is communicated with the baking cavity (5), reinforcing plate (6) outer wall be equipped with gas-supply pipe (8) assorted auxiliary frame (9), auxiliary frame (9) are including connecting rod (10), connecting rod (10) one end is equipped with arc backup pad (11), arc backup pad (11) inner wall is equipped with a plurality of slipmat (12), slipmat (12) inside is equipped with a plurality of through-hole (13).

2. The dewatering and drying device for the high-performance lithium battery according to claim 1, wherein a plurality of supporting feet (14) are arranged at the bottom of the supporting frame (1).

3. The dewatering and drying equipment for the lithium battery as claimed in claim 1, wherein the ultra-low temperature dehumidifier (3) and the vacuum oven (4) are both arranged on the top of the support frame (1).

4. The dewatering and drying equipment for the lithium battery as claimed in claim 1, wherein the inner bottom of the full-automatic baking tunnel furnace (2) is provided with a movably connected conveying chain (15).

5. The dewatering and drying device for the lithium battery as claimed in claim 1, wherein the bottom of the reinforcing plate (6) is connected to the top of the supporting frame (1).

6. The dewatering and drying device for the lithium battery as claimed in claim 4, wherein the outer wall of the reinforcing plate (6) is provided with a plurality of assembling holes (16) outside the opening (7).

7. The dewatering and drying equipment for the lithium battery with high performance as claimed in claim 1, wherein a plurality of shunt pipes (17) are arranged on the outer wall of the air delivery pipe (8), a plurality of air inlet heads (18) are arranged on the top of the full-automatic baking tunnel furnace (2), and the shunt pipes (17) are connected with the air inlet heads (18).

8. The high-performance lithium battery dewatering and drying equipment as claimed in claim 1, wherein a feed inlet (19) is formed at one end of the full-automatic baking tunnel furnace (2), a discharge outlet (20) is formed at the other end of the full-automatic baking tunnel furnace (2), and the ultralow temperature dehumidifier (3) is arranged at one end, close to the feed inlet (19), of the outside of the full-automatic baking tunnel furnace (2).