CN218410736U

CN218410736U - Vacuum pumping device for box-type furnace filling materials for lithium ion battery cathode material production

Info

Publication number: CN218410736U
Application number: CN202220935389.9U
Authority: CN
Inventors: 韩恒志
Original assignee: Inner Mongolia Fenghui New Material Technology Co ltd
Current assignee: Inner Mongolia Fenghui New Material Technology Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2023-01-31
Anticipated expiration: 2032-04-21

Abstract

The utility model relates to a vacuum-pumping device fills material with box stove based on lithium ion battery cathode material production, including box stove, box bottom of the furnace portion is equipped with evacuating device, evacuating device includes exhaust tube, vacuum pump and air duct, the exhaust tube leads to with air duct one end stationary phase and is connected, be fixed with the vacuum pump on the air duct, the fixed stifled cleaning device that is equipped with in the exhaust tube prevents that stifled cleaning device can prevent in the stove remaining processing dust and particulate matter from getting into the air duct, simultaneously can also oneself clean, improves evacuation efficiency, the utility model discloses utilize the stifled cleaning device that prevents that sets up on the exhaust tube, can reduce vacuum pump damage probability in order to prevent in the stove remaining processing dust and particulate matter from getting into the air duct, can also oneself clean simultaneously, improve evacuation efficiency.

Description

Vacuum extractor is filled with box stove to production based on lithium ion battery cathode material

Technical Field

The utility model relates to a box stove technical field especially relates to based on lithium ion battery cathode material production is with box stove evacuating device that fills material.

Background

Most of the negative electrode materials used for the production of the lithium ion battery are graphite materials, and account for more than 90 percent of the usage proportion; the artificial graphite cathode material has the advantages of high specific discharge capacity, excellent cycle performance, excellent first charge and discharge performance, good safety performance, stable quality and the like, and the artificial graphite needs to enter a graphitization furnace for graphitization of products after the procedures of crushing, shaping, coating, top carbonization and the like in the production process of the artificial graphite, wherein the temperature in the process reaches 3000 ℃, so that the requirement on a container of the products is high, and the currently used small round crucible has the disadvantages of small loading capacity, high unit consumption, large dust pollution, high crucible cost and the like, and is also produced by box furnaces of some manufacturers.

Adopt box furnace production, need carry out the evacuation to box furnace when filling material, mainly be in order to increase the density of box furnace internal filling material, and density is big, directly makes the volume of filling furnace big to make output big, but adopt evacuating device at present, at the in-process of bleeding, remaining processing dust in the stove gets into the pipeline with the particulate matter very easily inside, and the vacuum pump breaks down easily for long-term operation, directly influences work efficiency.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a production is with box stove vacuum pumping device that fills material based on lithium ion battery cathode material for overcome prior art at the in-process of bleeding, remaining processing dust in the stove gets into the pipeline with the particulate matter very easily inside, long-term work vacuum pump breaks down easily, directly influences work efficiency's problem.

In order to realize the above-mentioned purpose, the utility model provides a based on lithium ion battery negative pole material production is with box stove evacuation device of packing material, including box stove, box bottom of the furnace portion is equipped with evacuating device, evacuating device includes exhaust tube, vacuum pump and air duct, the exhaust tube leads to with air duct one end stationary phase and is connected, be fixed with the vacuum pump on the air duct, the fixed stifled cleaning device that prevents that is equipped with in the exhaust tube prevents that stifled cleaning device can prevent in the stove remaining processing dust and particulate matter from getting into the air duct, simultaneously can also oneself clean, improve evacuation efficiency.

Furthermore, a feeding end and a discharging end are fixed on the box-type furnace, the box-type furnace is fixed on the support frame, and the vacuum pump is fixed on the support frame.

Furthermore, the other end of the air duct is fixedly connected with a gas collection box, a filtering and purifying device is fixed in the gas collection box, an exhaust pipe is fixed on the gas collection box, and a valve is fixed on the exhaust pipe.

Furthermore, prevent stifled cleaning device including preventing stifled mechanism and clean mechanism, prevent stifled mechanism and clean mechanism's output fixed connection, prevent that stifled mechanism can prevent that remaining processing dust in the stove and particulate matter from getting into in the air duct, clean mechanism can clean prevents stifled mechanism, improves the efficiency of bleeding.

Further, prevent that stifled mechanism includes the three-layer orifice plate, and three-layer orifice plate from the top down laminates the swing setting in proper order in the exhaust tube, and the hole on the three-layer orifice plate misplaces the setting each other respectively and there is certain clearance each other in the three-layer orifice plate, the downthehole fixed filter screen that is equipped with on the orifice plate, orifice plate one end is articulated with the exhaust tube, and the other end sets up with the exhaust tube laminating.

Further, clean mechanism includes vibration mechanism and arranges miscellaneous pipe, and vibration mechanism and row miscellaneous pipe relatively fixed set up on the exhaust tube, vibration mechanism sets up in orifice plate other end bottom and vibration mechanism's output and orifice plate fixed connection, vibration mechanism can drive the orifice plate other end and carry out reciprocal swing to make processing dust on the orifice plate flow to arrange miscellaneous intraductally with the particulate matter, it is equipped with the valve to arrange fixed on the miscellaneous pipe.

Further, the vibration mechanism comprises a fixing plate, a spring and a vibrator, the spring is fixed between the fixing plate and the bottom surface of the pore plate, the vibrator is fixed on the bottom surface of the pore plate and arranged between the springs, and the vibrator is fixed on the bottom surface of the pore plate.

Furthermore, the bottom of the exhaust tube is fixedly connected with an expansion mechanism, the expansion mechanism can exhaust air in a larger range, and the bottom of the expansion mechanism is fixedly communicated with an air guide tube.

Furthermore, the expansion mechanism comprises an air guide pipeline, and the sections of the air guide pipeline are sequentially expanded from top to bottom.

Compared with the prior art, the beneficial effects of the utility model are that: utilize the stifled cleaning device that prevents that sets up on the exhaust tube, can reduce vacuum pump damage probability in can preventing remaining processing dust in the stove and particulate matter entering air duct, can also clean by oneself simultaneously, improve evacuation efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of an embodiment of the vacuum extractor of the present invention;

FIG. 3 is a schematic structural view of a second embodiment of the vacuum extractor of the present invention;

FIG. 4 is a schematic view of a partial sectional structure of the extraction tube according to the present invention;

fig. 5 is the side view partial sectional structure schematic diagram of the exhaust tube of the present invention.

In the figure: the device comprises a box-type furnace 1, an exhaust pipe 2, a vacuum pump 3, an air duct 4, an anti-blocking cleaning device 5, an air collecting box 6, an anti-blocking mechanism 7, a cleaning mechanism 8, an impurity discharging pipe 9, an orifice plate 10, a fixing plate 11, a spring 12, a vibrator 13 and an air duct 14.

Detailed Description

In order to make the objects and advantages of the present invention more apparent, the present invention will be further described with reference to the following embodiments; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Please refer to fig. 1 and show, it does the utility model discloses a vacuum-pumping device is filled with material to box stove based on lithium ion battery negative pole material production, including box stove 1, 1 bottom of box stove is equipped with vacuum-pumping device, and vacuum-pumping device includes exhaust tube 2, vacuum pump 3 and air duct 4, and exhaust tube 2 leads to with 4 one end stationary phases of air duct to be connected, is fixed with vacuum pump 3 on the air duct 4, and 2 internal fixation of exhaust tube is equipped with prevents stifled cleaning device 5, prevents stifled cleaning device 5 and can prevent in remaining processing dust in the stove and particulate matter entering air duct 4, simultaneously can also self-cleaning, improves evacuation efficiency.

Particularly, start vacuum pump 3 for exhaust tube 2 can be bled to box stove 1 in, and last gas is discharged through air duct 4, realizes the vacuum pumping effect to box stove 1.

Referring to fig. 1, a feeding end and a discharging end are fixed on a box-type furnace 1, the box-type furnace 1 is fixed on a support frame, and a vacuum pump 3 is fixed on the support frame.

The other end of the gas guide tube 4 is fixedly connected with a gas collection box 6, a filtering and purifying device is fixed in the gas collection box 6, an exhaust pipe is fixed on the gas collection box 6, and a valve is fixed on the exhaust pipe.

Specifically, the gas collecting box 6 is provided with a filter and purifier to purify the gas exhausted from the box-type furnace 1 and prevent environmental pollution.

Referring to fig. 2 and 3, the anti-blocking cleaning device 5 comprises an anti-blocking mechanism 7 and a cleaning mechanism 8, the anti-blocking mechanism is fixedly connected with the output end of the cleaning mechanism, the anti-blocking mechanism 7 can prevent residual processing dust and particles in the furnace from entering the air duct 4, the cleaning mechanism 8 can clean the anti-blocking mechanism 7, and air extraction efficiency is improved.

Particularly, utilize and prevent stifled mechanism and directly prevent in remaining processing dust in the stove and particulate matter get into air duct 4, then regularly clear up through clean mechanism 8 again and prevent stifled mechanism 7, prevent that remaining processing dust and particulate matter are too much on preventing stifled mechanism 7, influence exhaust tube 2 conveying efficiency.

Referring to fig. 4, the anti-blocking mechanism includes three layers of pore plates 10, the three layers of pore plates 10 are sequentially attached to and swing in the exhaust pipe 2 from top to bottom, the pores on the three layers of pore plates 10 are respectively arranged in a staggered manner, a certain gap is formed between the three layers of pore plates 10, a filter screen is fixedly arranged in the pores on the pore plates 10, one end of each pore plate 10 is hinged to the exhaust pipe 2, and the other end of each pore plate 10 is attached to the exhaust pipe 2.

Specifically, utilize the mutual dislocation set of hole on the three-layer orifice plate 10 respectively, gaseous like this in entering into exhaust tube 2 for the baffling effect takes place for processing dust and particulate matter are filtered on the filter screen more easily.

Referring to fig. 4, the cleaning mechanism 8 includes a vibrating mechanism and a trash discharging pipe 9, the vibrating mechanism and the trash discharging pipe 9 are relatively and fixedly disposed on the air exhaust pipe 2, the vibrating mechanism is disposed at the bottom of the other end of the orifice plate 10, an output end of the vibrating mechanism is fixedly connected to the orifice plate 10, the vibrating mechanism can drive the other end of the orifice plate 10 to swing back and forth, so that the processed dust and the particulate matters on the orifice plate 10 flow into the trash discharging pipe 9, and a valve is fixedly disposed on the trash discharging pipe 9.

Specifically, the vibrating mechanism is activated to oscillate the other end of the orifice plate 10 in a reciprocating manner, so that the processed dust and particulate matter filtered on the orifice plate 10 flow into the impurity discharging pipe 9.

Referring to fig. 5, the vibration mechanism includes a fixing plate 11, a spring 12, and a vibrator 13, the spring 12 is fixed between the fixing plate 11 and the bottom surface of the orifice plate 10, the vibrator 13 is fixed on the bottom surface of the orifice plate 10, the vibrator 13 is disposed between the springs 12, and the vibrator 13 is fixed on the bottom surface of the orifice plate 10.

Specifically, the vibrator 13 is activated to cause the other end of the orifice plate 10 to perform reciprocating oscillation by the action of the spring 12.

Referring to fig. 3, the bottom of the air exhaust tube 2 is fixedly connected with an expansion mechanism, the expansion mechanism can exhaust air in a wider range, and the bottom of the expansion mechanism is fixedly connected with an air duct 4.

The expansion mechanism comprises an air guide duct 14, and the sections of the air guide duct 14 are sequentially expanded from top to bottom.

Specifically, because the section of the air guide duct 14 is enlarged from top to bottom, a wider range of air-pumping space is provided, and the vacuum-pumping efficiency is effectively improved.

When in use, the utility model is used,

in the first embodiment, the vacuum pump 3 is started, so that the exhaust pipe 2 can exhaust air in the box-type furnace 1, and finally the air is exhausted through the air duct 4, conveyed into the box-type furnace 1, and is subjected to certain purification and filtration treatment by using the filtration and purification device and then exhausted;

the holes on the three layers of pore plates 10 are arranged in a staggered mode, so that gas enters the air exhaust pipe 2, the gas generates a baffling effect, and processing dust and particles are filtered on the filter screen more easily;

after the extraction pipe 2 works for a period of time, the vacuum pump 3 can be closed, the vibrator 13 is started, the other end of the pore plate 10 swings back and forth, the filtered processing dust and particles flow into the impurity discharging pipe 9, meanwhile, a valve on the impurity discharging pipe 9 is opened, the processed dust and particles are conveyed into an external collecting box, after the processed dust and particles are cleaned for a certain period of time, the vibrator 13 is stopped, the vacuum pump 3 is continuously opened, and vacuumizing is performed.

In the second embodiment, the vacuum pump 3 is started, so that the exhaust tube 2 can be conveyed to the expansion mechanism, the inflation mechanism comprises the air guide pipeline 14, and the sections of the air guide pipeline 14 are sequentially expanded from top to bottom, so that an exhaust space with a larger range is formed, and the vacuum efficiency is effectively improved.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Based on lithium ion battery cathode material production is with box stove vacuum pumping device that fills material, including box stove, box stove bottom is equipped with vacuum pumping device, its characterized in that, vacuum pumping device includes exhaust tube, vacuum pump and air duct, the exhaust tube leads to with air duct one end stationary phase and is connected, be fixed with the vacuum pump on the air duct, the fixed stifled cleaning device that is equipped with in the exhaust tube, stifled cleaning device can prevent in the stove remaining processing dust and particulate matter get into the air duct, simultaneously can also self-cleaning, improves evacuation efficiency.

2. The vacuum pumping device for the box-type furnace filling material for the production of the lithium ion battery negative electrode material is characterized in that a feeding end and a discharging end are fixed on the box-type furnace, the box-type furnace is fixed on a support frame, and the vacuum pump is fixed on the support frame.

3. The filling material vacuumizing device for the box-type furnace for producing the lithium ion battery negative electrode material is characterized in that the other end of the air guide pipe is fixedly connected with a gas collecting box, a filtering and purifying device is fixed in the gas collecting box, an exhaust pipe is fixed on the gas collecting box, and a valve is fixed on the exhaust pipe.

4. The vacuum pumping device for the box-type furnace filling material for the production of the lithium ion battery anode material is characterized in that the anti-blocking cleaning device comprises an anti-blocking mechanism and a cleaning mechanism, the anti-blocking mechanism is fixedly connected with the output end of the cleaning mechanism, the anti-blocking mechanism can prevent residual processing dust and particles in the furnace from entering the air guide pipe, and the cleaning mechanism can clean the anti-blocking mechanism and improve the air extraction efficiency.

5. The vacuum extractor for the box-type furnace filling material for producing the lithium ion battery negative electrode material is characterized in that the anti-blocking mechanism comprises three layers of pore plates, the three layers of pore plates are sequentially attached and swing to the inside of the exhaust pipe from top to bottom, the pores on the three layers of pore plates are respectively arranged in a staggered mode, a certain gap exists between the three layers of pore plates, a filter screen is fixedly arranged in each pore plate, one end of each pore plate is hinged to the exhaust pipe, and the other end of each pore plate is attached to the exhaust pipe.

6. The vacuum extractor for the box-type furnace filling material for producing the lithium ion battery negative electrode material is characterized in that the cleaning mechanism comprises a vibrating mechanism and a waste discharge pipe, the vibrating mechanism and the waste discharge pipe are relatively and fixedly arranged on the exhaust pipe, the vibrating mechanism is arranged at the bottom of the other end of the orifice plate, the output end of the vibrating mechanism is fixedly connected with the orifice plate, the vibrating mechanism can drive the other end of the orifice plate to swing back and forth, so that processing dust and particulate matters on the orifice plate flow into the waste discharge pipe, and a valve is fixedly arranged on the waste discharge pipe.

7. The vacuum extractor for the box-type furnace filling material for producing the lithium ion battery negative electrode material is characterized in that the vibration mechanism comprises a fixing plate, a spring and a vibrator, the spring is fixed between the fixing plate and the bottom surface of the pore plate, the vibrator is fixed on the bottom surface of the pore plate and arranged between the springs, and the vibrator is fixed on the bottom surface of the pore plate.

8. The vacuum extractor for the box-type furnace filling material for producing the lithium ion battery negative electrode material is characterized in that an expansion mechanism is fixedly connected to the bottom of the extraction pipe, the expansion mechanism can extract air in a wider range, and an air guide pipe is fixedly communicated with the bottom of the expansion mechanism.

9. The vacuum extractor for the box-type furnace filling material used for the production of the lithium ion battery anode material according to claim 8, wherein the expansion mechanism comprises an air guide duct, and the cross section of the air guide duct is enlarged from top to bottom.