CN214848693U - Automatic production system for artificial graphite cathode material - Google Patents

Abstract

The utility model discloses an automatic production system for artificial graphite cathode materials, which comprises a control system, an asphalt feeding system, a graphite feeding system, a mixing device, a heating device, a lump material processing system, an iron removal device and a packaging device, wherein the asphalt feeding system is used for feeding asphalt powder and weighing the asphalt powder; the graphite feeding system is used for feeding graphite powder and can weigh asphalt powder; the mixing device is used for mixing the weighed and proportioned graphite powder and asphalt powder so as to mix the graphite powder and the asphalt powder to form mixed powder; the heating device is used for heating the mixed powder so as to enable the mixed powder to be agglomerated into blocks; the lump material processing system is used for crushing lump materials; the iron removal device is used for carrying out magnetic impurity treatment on the crushed lump materials; the packaging device is used for packaging the lump materials after the magnetic impurity treatment; thereby completing the automatic production of the artificial graphite cathode material and greatly saving the labor cost.

Description

Automatic production system for artificial graphite cathode material

Technical Field

The utility model relates to a lithium cell negative pole material makes technical field, especially relates to an artificial graphite negative pole material automated production system.

Background

With the increasing demand of new energy, lithium ion batteries are widely used as batteries of electronic products such as new energy automobiles and mobile phones. Because the performance requirements of the lithium ion battery are directly related to various performance indexes of the positive electrode material and the negative electrode material of the lithium ion battery, the negative electrode material has greater influence on the performance of the lithium ion battery. Therefore, artificial graphite cathode materials are produced, which are prepared by processing and mixing asphalt raw materials and graphite raw materials, and generally need to be subjected to processes such as feeding, metering, mixing, crushing and the like during production and processing. However, the conventional artificial graphite cathode material for the lithium ion battery is manually transported, all the working sections are dispersed and need manual operation, and the quality of the produced artificial graphite cathode material cannot be guaranteed due to artificial unstable factors; meanwhile, the health of workers is affected due to the severe environment of a production workshop in the process of operating each workshop section.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model aims to provide an artificial graphite negative pole material automated production system, its automated production that can realize artificial graphite negative pole material has greatly saved the cost of labor, has avoided the precision that manual operation arouses inaccurate and influence the quality of artificial graphite negative pole material.

The purpose of the utility model is realized by adopting the following technical scheme:

a control system;

the asphalt feeding system is used for feeding asphalt powder and weighing the fed asphalt powder;

the graphite feeding system is used for feeding graphite powder and weighing the fed graphite powder;

the mixing device is respectively connected with the asphalt feeding system and the graphite feeding system, and the control system is used for controlling the asphalt powder weighed by the asphalt feeding system and the graphite powder weighed by the graphite feeding system to enter the mixing device for mixing;

the heating device is connected with the mixing device, and the control system is also used for controlling the powder mixed by the mixing device to enter the heating device for heating so as to enable the mixed powder to be agglomerated into blocks;

the lump material processing system is connected with the heating device, and the control system is also used for controlling lump materials formed by heating through the heating device to enter the lump material processing system for crushing;

the control system is also used for controlling the lump materials crushed by the lump material processing system to enter the iron removal device for magnetic impurity treatment;

the packaging device is connected with the iron removal device, and the control system is also used for controlling the lump materials treated by the magnetic impurities of the iron removal device to enter the packaging device for packaging.

Further, the asphalt feeding system comprises an asphalt feeding device, and the asphalt feeding device is used for delivering asphalt powder.

Further, the asphalt feeding system further comprises an asphalt material storage device, the asphalt material storage device is connected with the asphalt feeding device through a pipeline, a dust remover is arranged on the asphalt material storage device, and the dust remover is used for removing dust from asphalt powder entering the asphalt material storage device.

Further, the asphalt feeding system further comprises a material activating device, the material activating device is connected with the asphalt material storage device, and the material activating device is used for activating asphalt materials.

Further, the asphalt feeding system further comprises a material crushing device, the asphalt material storage device and the material activating device are connected through the material crushing device, and the material crushing device is used for crushing asphalt materials.

Further, the asphalt feeding system further comprises a weighing device, the weighing device is connected with the material activating device, and the weighing device is used for weighing the asphalt material.

Further, the lump material processing system comprises a primary lump breaking device, and the primary lump breaking device is connected with the heating device so as to enable the primary lump breaking device to carry out primary crushing on the lump material.

Further, the lump material processing system further comprises a screening device, and the screening device is connected with the primary lump breaking device, so that the screening device screens lump materials broken by the primary lump breaking device.

Further, the lump material processing system further comprises a secondary lump breaking device, and the secondary lump breaking device is connected with the screening device, so that the secondary lump breaking device can carry out secondary crushing on the screened lump material.

Further, the utility model discloses still include cooling device, cooling device is connected with heating device, cooling device is used for cooling to mix the lump material that the powder formed through heating device heating.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model is used for feeding asphalt powder through the asphalt feeding system and can weigh the asphalt powder; the graphite feeding system is used for feeding graphite powder and weighing asphalt powder; the mixing device is used for mixing and weighing the proportioned graphite powder and asphalt powder so as to mix the graphite powder and the asphalt powder to form mixed powder; heating the mixed powder by a heating device to enable the mixed powder to be agglomerated into blocks; breaking the lump material by a lump material processing system; the iron removal device is used for carrying out magnetic impurity treatment on the crushed lump materials; the packaging device is used for packaging the lump materials after the magnetic impurities are treated; therefore, automatic production of the artificial graphite cathode material is completed, labor cost is greatly saved, and the problem that the quality of the artificial graphite cathode material is influenced due to inaccurate precision caused by manual operation is avoided.

Drawings

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

FIG. 2 is a schematic structural diagram of an asphalt feeding system according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a graphite feeding system according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a mixing device according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a heating device, a cooling device, a lump material processing system, and a packing device according to an embodiment of the present invention.

In the figure: 1. an asphalt feeding system; 10. an asphalt feeding device; 100. a first mounting bracket; 101. a first blanking hopper; 11. an asphalt material storage device; 110. a first storage bin; 1100. a first dust remover; 1101. A manual gate valve; 1102. a screw feeder; 12. a material crushing device; 13. a material activation device; 130. a second storage bin; 1300. an exhaust gas filter; 1301. a first activation funnel; 1302. a first volumetric feeder; 14. a third storage bin; 141. a second activation funnel; 15. a pneumatic butterfly valve; 16. a vacuum feeder; 17. an air shutoff valve; 18. a weighing device; 19. a negative pressure power source; 190. a negative pressure air pipe; 191. A delivery pipe; 2. a graphite feeding system; 20. a graphite feeding device; 200. a second mounting bracket; 201. a second feeding hopper; 21. a graphite material storage device; 210. a fourth storage bin; 2100. a second dust remover; 211. a second volumetric feeder; 23. a fifth storage bin; 230. a weighing sensor; 3. a mixing device; 30. a sixth storage bin; 300. rotating the valve; 31. a seventh storage bin; 4. a heating device; 5. a cooling device; 6. a first-stage block breaking device; 60. an eighth storage bin; 600. a vibrating feeder; 601. a pneumatic gate valve; 7. a screening device; 8. a secondary block breaking device; 80. a ninth storage bin; 800. a third volume feeder; 801. a deironing device; 9. and (5) packaging devices.

Detailed Description

In the following, the present invention is described with priority in conjunction with the accompanying drawings and the detailed description, and it should be noted that, in the premise of no conflict, the embodiments or technical features described below may be arbitrarily combined to form a new embodiment.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "vertical", "top", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The implementation mode is as follows:

as shown in fig. 1-5, the utility model discloses an automatic production system for artificial graphite cathode material, which comprises a control system, an asphalt feeding system 1, a graphite feeding system 2, a mixing device 3, a heating device 4, a lump material processing system, an iron removing device 801 and a packaging device 9; the asphalt feeding system 1 is used for feeding asphalt powder and can weigh the asphalt powder; the graphite feeding system 2 is used for feeding graphite powder and can weigh asphalt powder; the mixing device 3 is respectively connected with the asphalt feeding system 1 and the graphite feeding system 2, and the control system is used for controlling the asphalt powder weighed by the asphalt feeding system and the graphite powder weighed by the graphite feeding system to enter the mixing device 3 for mixing so as to mix the graphite powder and the asphalt powder to form mixed powder; the heating device 4 is connected with the mixing device 3, and the control system is also used for controlling the powder mixed by the mixing device 3 to enter the heating device for heating so as to enable the mixed powder to be agglomerated into lump materials; the lump material processing system is connected with the heating device 4, and the control system is also used for controlling lump materials formed by heating through the heating device 4 to enter the lump material processing system for crushing; the iron removal device 801 is connected with the lump material processing system, and the control system is also used for controlling lump materials crushed by the lump material processing system to enter the iron removal device 801 for magnetic impurity treatment; the packing device is connected with the iron removal device 801, and the control system is also used for controlling the lump materials processed by the magnetic impurities of the iron removal device 801 to enter the packing device 9 for packing.

In the use process, the asphalt powder (asphalt raw material) is fed through the asphalt feeding system 1 and the asphalt powder after feeding is weighed, and the graphite powder (graphite raw material) is fed through the graphite feeding system 2 and the graphite powder after feeding is weighed. After the asphalt powder and the graphite powder are weighed and proportioned, the control system controls the asphalt powder weighed by the asphalt feeding system and the graphite powder weighed by the graphite feeding system to be respectively introduced into the mixing device 3, and the weighed and proportioned graphite powder and the asphalt powder are stirred and mixed by the mixing device 3, so that the graphite powder and the asphalt powder are mixed to form mixed powder. This mixing arrangement 3 chooses for use the VC to mix the machine, and the VC mixes the machine and stirs two kinds of materials of graphite and pitch powder with certain speed through the inside (mixing) shaft of motor drive equipment, makes the peripheral even parcel of every graphite crystal have pitch, reaches the effect of mixing the cladding. After the graphite powder and the asphalt powder are mixed, the control system controls the powder mixed by the VC mixer to enter the heating device 4, and the heating device 4 heats the mixed powder, so that the mixed powder forms lump materials. This heating device 4 chooses for use the heating cauldron, also can understand, graphite crystal after being pitch cladding gets into in the heating cauldron, the heating cauldron heats according to certain curve, when heaing up, the (mixing) shaft in the cauldron is at the uniform velocity rotation, it is even to make the material in the cauldron be heated, it is different according to the ejection of compact requirement, the temperature of control is also different, make graphite under the temperature control of difference, the inside atomic layer of graphite crystal will rearrange, in order to reach the requirement as lithium ion battery cathode material. However, the lump material formed after being heated in the heating kettle has a large volume, so that the lump material needs to be crushed by a lump material processing system to meet the volume use requirement of the artificial graphite. In addition, since the finished material cannot contain magnetic substances, but the crushed lump materials contain magnetic impurities, the crushed lump materials need to be subjected to magnetic impurity treatment by the iron removal device 801 so that the finished material can meet the use requirements. Finally, the processed material is packed by a packing device 9. To sum up, the utility model discloses can accomplish artificial graphite's automated production, very big saving the cost of labor, avoided the precision that manual operation arouses inaccurate and influence artificial graphite cathode material's quality.

In this embodiment, the asphalt feeding system 1 includes an asphalt feeding device 10, and the asphalt feeding device 10 is used for delivering asphalt powder. Since the asphalt powder of this embodiment is transported in the form of ton bags, and the ton bags are fed by the asphalt feeding device 10, the asphalt feeding device 10 of this embodiment is an asphalt ton bag feeding device. The asphalt ton bag feeding device comprises a first mounting frame 100 and a first discharging hopper 101, wherein the first discharging hopper 101 is mounted on the first mounting frame 100, the ton bag moves the ton bag into the first discharging hopper 101 through a lifting hook, and the delivery of asphalt powder can be completed by opening the bag mouth of the ton bag. Of course, in order to convey the delivered asphalt material to the next process, the asphalt feeding system 1 further includes an asphalt material storage device 11, and the asphalt material storage device 11 is connected to the asphalt feeding device 10 through a pipeline, that is, the asphalt material enters the asphalt material storage device 11 from the first discharging hopper 101 through the pipeline.

Specifically, the asphalt material storage device 11 includes a first storage bin 110, an inner cavity of the first storage bin 110 is communicated with a discharge end of the first discharging hopper 101 through a chute, and the chute is a material gravity conveying pipe 191 for connecting the equipment. In order to perform a dust removal process on the asphalt powder entering the asphalt material storage device 11, a dust remover is disposed on the asphalt material storage device 11, and the dust remover is a first dust remover 1100, that is, it can be understood that the first dust remover 1100 is disposed on the first storage bin 110, and when the asphalt powder enters the first storage bin 110, the first dust remover 1100 can remove dust from the asphalt powder. It can be understood by those skilled in the art that the first dust collector 1100 of the present embodiment has a centrifugal fan, so that a micro negative pressure is formed in the first storage bin 110, and the asphalt powder does not flow out of the first storage bin 110. In order to temporarily block the material in the first storage bin 110 from entering the next process, a manual gate valve 1101 is disposed at the discharge end of the first storage bin 110, and the material can be temporarily blocked by the manual gate valve 1101. As an application scenario, when the equipment below the first storage bin 110 needs to be maintained, the manual gate valve 1101 may cut off the material coming out of the first storage bin, thereby facilitating the maintenance. In addition, in order to control the discharging speed of the material stored in the first storage bin, the discharging end of the first storage bin 110 is further provided with a screw feeder 1102, and the discharging speed of the material stored in the first storage bin can be well controlled through the screw feeder 1102, so that the impact of the material on downstream equipment is prevented.

In this embodiment, the asphalt feeding system 1 further includes a material crushing device 12, and if the fineness of the asphalt raw material does not meet the use requirement, the delivered asphalt powder needs to be crushed by the material crushing device 12. Specifically, pitch material storage device 11 and the discharge end intercommunication of first storage feed bin 110 for the pitch material in the first storage feed bin 110 enters into material crushing device, and material crushing device chooses present fluid energy mill for use, and fluid energy mill is used for smashing granular or cubic pitch material, makes the pitch raw materials become the powder.

In this embodiment, the asphalt feeding system 1 further includes a material activating device 13, and the material activating device 13 is connected to the discharge end of the jet mill through a chute, and is used for activating the asphalt material. When the asphalt powder is fed from the discharge end of the jet mill to the next process, a part of the material having poor fluidity may be present, and thus the asphalt powder is activated by the material activating device 13 to be fed more smoothly to the next process. Specifically, material activation device 13 includes that feed bin 130 and first activation funnel 1301 are stored to the second, and the discharge end that feed bin 130 was stored through the elephant trunk and jet mill is connected to the top of second, and feed bin 130 is stored to the second bottom is located to first activation funnel 1301, makes the material that gets into in second storage feed bin 130 activate through this first activation funnel 1301, makes the better outflow second of the material that mobility is not good store the feed bin to the pitch material of being convenient for enters into next process. As can be appreciated by those skilled in the art, the first activation funnel 1301 is provided with an auxiliary member such as a vibration motor, fluidized blowing, etc. to achieve the material activation effect by vibrating the second storage bin 130 through the vibration motor and blowing air into the inner cavity of the second storage bin 130.

In the same way, in order to temporarily block the material in the second storage bin 130 from entering the next process so as to facilitate the maintenance of the equipment below the second storage bin 130, the discharge end of the second storage bin 130 is also provided with a manual gate valve 1101, and the material can be temporarily blocked by the manual gate valve 1101. In addition, in order to control the discharging speed of the material stored in the second storage bin, the discharging end of the second storage bin 130 is provided with a first volume feeder 1302, the first volume feeder 1302 is that a transverse stirring device is added at the inlet of the screw feeder 1102, so that the material can enter the screw feeder 1102 more fully, the discharging speed of the material in the second storage bin can be well controlled through the first volume feeder 1302, the impact of the material on downstream equipment is prevented, and the material can be conveyed to the next process fully.

It should be noted here that the asphalt material is conveyed in the asphalt feeding system 1 by means of negative pressure conveying. Specifically, the asphalt feeding system 1 further includes a third storage bin 14, the third storage bin 14 is communicated with the discharge end of the first volumetric feeder 1302 through a delivery pipe 191, a vacuum feeder 16 is arranged on the third storage bin 14, an outlet of the vacuum feeder 16 is connected with a negative pressure power source 19 through a negative pressure air pipe 190, air in the feeder 16 is pumped by the negative pressure power source 19, so that the air moves in the delivery pipe, the asphalt material is mixed in the moving air, the asphalt material also moves, and therefore the effect of negative pressure conveying is achieved. Certainly, the negative pressure air pipe 190 is provided with an air stop valve 17, and the air stop valve 17 is mainly used for switching the valves of the negative pressure and the external air pipeline, so as to prevent the phenomena that a negative pressure space is formed in the storage bin and the material is difficult to discharge from the bin. In order to maintain the pressure balance in the second storage bin, an exhaust filter 1300 is disposed on the second storage bin, and the pressure balance in the second storage bin is maintained through the exhaust filter 1300, and of course, the powder in the second storage bin or the dust in the external air cannot pass through the exhaust filter 1300. In addition, the discharge end of the first volumetric feeder 1302 is further provided with a pneumatic butterfly valve 15, and the negative pressure formed in the asphalt feeding system 1 can be closed or opened through the pneumatic butterfly valve 15.

In this embodiment, the asphalt feeding system 1 further includes a weighing device 18, the weighing device 18 is connected to the material activating device 13, and the weighing device 18 is used for weighing the asphalt material, that is, the weighing device 18 is connected to the discharging end of the third storage bin 14. Of course, in order to allow the material to more fully enter the weighing device 18, the discharge end of the third storage silo 14 is provided with a second activation funnel 141. The discharge end of the second activation funnel 141 is connected with the weighing device 18 through a chute, the weighing device 18 of this embodiment is a weight reduction scale, and the asphalt material in the third storage bin 14 enters the weight reduction scale under negative pressure conveying so as to be measured and weighed by the weight reduction scale, thereby completing the feeding of the asphalt material. Of course, a pneumatic butterfly valve 15 is provided between the second activation funnel 141 and the weight-reducing scale, and the negative pressure space formed above the second activation funnel 141 is closed by the pneumatic butterfly valve 15 to prevent it from affecting the weighing of the weight-reducing scale on the asphalt material.

In this embodiment, the graphite feeding system 2 is the same as the asphalt feeding system 1 in principle, the graphite feeding system 2 includes a graphite feeding device 20, and the graphite feeding device 20 is used for delivering graphite powder. Since the graphite powder in this embodiment is transported in the form of ton bags, and the ton bags are charged by the graphite charging device 20, the graphite charging device 20 in this embodiment is also a graphite ton bag charging device. Graphite ton bag material feeding device is including second mounting bracket 200 and second unloading funnel 201, and second unloading funnel 201 is installed on second mounting bracket 200, and ton bag passes through the lifting hook and removes it to second unloading funnel 201 in, and the delivery of graphite powder can be accomplished to the sack of opening ton bag. Of course, in order to convey the delivered graphite powder to the next process, the graphite feeding system 2 further includes a graphite material storage device 21, and the graphite material storage device 21 is connected to the graphite feeding device 20 through a pipeline, that is, the graphite powder enters the graphite material storage device 21 from the second discharging hopper 201 through the pipeline.

Specifically, the graphite material storage device 21 includes a fourth storage bin 210, and an inner cavity of the fourth storage bin 210 is communicated with a discharge end of the second discharging hopper 201 through a chute. In order to perform a dust removal process on the graphite powder entering the graphite material storage device 21, the graphite material storage device 21 is provided with a second dust remover 2100, that is, it can be understood that the second dust remover 2100 is disposed on the fourth storage bin 210, and when the graphite powder enters the fourth storage bin 210, the graphite powder can be removed by the second dust remover 2100. In order to temporarily block the material in the fourth storage bin 210 from entering the next process, the discharge end of the fourth storage bin 210 is also provided with a manual gate valve 1101, and the material can be temporarily blocked by the manual gate valve 1101. In order to control the discharging speed of the material stored in the fourth storage bin, the discharging end of the fourth storage bin 210 is further provided with a second volume feeder 211, and the discharging speed of the material stored in the fourth storage bin can be well controlled by the second volume feeder 211, so that the impact of the material on downstream equipment is prevented.

The graphite powder is conveyed in the graphite feeding system 2 in a negative pressure conveying mode. Specifically, graphite feeding system 2 is still including fifth storage feed bin 23, fifth storage feed bin 23 passes through the delivery pipe and communicates with the discharge end of second volume feeding machine 211, also be provided with vacuum loading ware 16 on the fifth storage feed bin 23, negative pressure power supply 19 is connected through negative pressure tuber pipe 190 to the export of vacuum loading ware 16, the air of loading ware 16 the inside through negative pressure power supply 19 evacuation, make the air remove in the delivery pipe, make the graphite material mix in the air of removal, the graphite material also can remove, thereby reach the effect that the negative pressure was carried. Of course, the negative pressure air pipe 190 is provided with the air stop valve 17, and the air stop valve 17 is mainly used for switching the valves of the negative pressure and the external air pipeline, so that the phenomenon that the graphite material is difficult to discharge from the bin due to the fact that a negative pressure space is formed in the storage bin in the graphite feeding system 2 is prevented. In order to measure and weigh the graphite powder, weighing sensor 230 has in the fifth storage bin 23, weighing sensor 230 feedback signal in the utility model discloses automated production system's control system, the control system of this embodiment are PLC control center to can measure the material loading volume of weighing the graphite powder, thereby accomplish throwing of graphite material. In addition, the discharge end of the second volumetric feeder 211 is further provided with a pneumatic butterfly valve 15, and the negative pressure formed in the graphite feeding system 2 can be closed or opened through the pneumatic butterfly valve 15.

So far, after the pitch material and the graphite material all accomplished the measurement and weighed, also the pitch powder and the graphite powder enter into foretell VC mixer after weighing its proportion of proportioning well to it stirs the mixture through the VC mixer, makes the peripheral even parcel of every graphite crystal have pitch. And mixing the asphalt material and the graphite material through a VC mixer to form mixed powder, and conveying the mixed powder to the next procedure through negative pressure. VC mixes the discharge end of machine and is connected with the sixth storage feed bin 30 through the elephant trunk, and the discharge end that the feed bin 30 was stored to the sixth is provided with manual push-pull valve 1101, can temporarily block up the material through this manual push-pull valve 1101, still is provided with rotary valve 300 at the discharge end that the feed bin 30 was stored to the sixth, stores the mixed powder ejection of compact at the uniform velocity in the feed bin 30 through rotary valve 300 control sixth. The sixth storage bin 30 is connected with a seventh storage bin 31 through a conveying pipe 191, a vacuum feeder 16 is arranged on the seventh storage bin 31, an outlet of the vacuum feeder 16 is connected with a negative pressure power source 19 through a negative pressure air pipe 190, the negative pressure power source 19 vacuumizes air in the feeder 16 to enable the air to move in the conveying pipe, mixed powder is mixed in the moving air, and the mixed powder can also move, so that the negative pressure conveying effect is achieved. In order to maintain the pressure balance in the sixth storage silo 30, an exhaust filter 1300 is also provided in the sixth storage silo, and the pressure balance in the sixth storage silo is maintained by the exhaust filter 1300, but the mixed powder in the sixth storage silo or the dust in the outside air cannot pass through the exhaust filter 1300. From this point on, the mixed powder enters the heating kettle from the discharge end of the seventh storage bin 31, so that the mixed powder is heated by the heating kettle to form a lump material. Because the mixed powder of pitch and graphite can not enter into next process at once after heating the cauldron heating and forming the lump material, this is because the mixed powder is through the material after the heating cauldron reaction, and the temperature is very high, can not enter into the broken piece device 6 processing of one-level down, therefore the utility model discloses still including cooling device 5, cooling device 5 is connected with heating device 4, and cooling device 5 is used for cooling off the lump material, also cools off the lump material that forms after the heating cauldron heating through cooling device 5 to shorten the lump material and enter into the time with the process down, shorten artificial graphite's production time. This cooling device 5 chooses for use the cooling kettle, and the material of high temperature cools off in can getting into the cooling kettle, and the cooling kettle has the bilayer, and the inlayer is used for depositing the material, has the (mixing) shaft to stir simultaneously, and the space between skin and the inlayer is used for the circulation of cooling water, and the high temperature material reaches the effect of reducing the temperature through the heat transfer with the cooling water. The cooled block is then cooled and then fed into a block processing system.

In this embodiment, lump material system of processing includes one-level broken piece device 6, and one-level broken piece device 6 is connected with heating device 4 also be connected with the heating kettle to make one-level broken piece device 6 carry out the one-level breakage to the lump material. The one-level block breaking device 6 adopts a block breaking machine, and materials passing through the heating kettle and the cooling kettle can be combined into hard blocks, so that the block breaking machine has the function of primary breaking, and can carry out negative pressure conveying and storage. Therefore, the discharge end of the lump breaker is connected with an eighth storage bin 60 through a conveying pipe, a vacuum feeder 16 is also arranged on the eighth storage bin 60, an outlet of the vacuum feeder 16 is connected with a negative pressure power source 19 through a negative pressure air pipe 190, air in the feeder 16 is pumped by the negative pressure power source 19, the air moves in the conveying pipe, lump materials after primary crushing are mixed in the moving air, the lump materials after the primary crushing also move, and the effect of negative pressure conveying is achieved.

Of course, the discharging end of the eighth storage bin 60 is provided with a pneumatic gate valve 601, and the pneumatic gate valve 601 is controlled by the PLC control center to temporarily block the material of the eighth storage bin 60 from entering the next process through the pneumatic gate valve 601. In addition, the discharge end of the eighth storage bin 60 is further provided with a vibrating feeder 600, and downstream equipment is supplied with the constant-speed material through the vibrating feeder 600.

The lump material is screened because of the large and small lump material after being primarily crushed by the lump crusher. The lump material processing system further comprises a screening device 7, the screening device 7 is connected with the first-level lump breaking device 6 and also connected with the lump breaking machine, so that the screening device 7 screens lump materials crushed by the first-level lump breaking device 6, small lump materials meeting the use requirements after the first-level crushing of the lump breaking machine enter downstream equipment, the materials which do not meet the use requirements in the primary crushing effect cannot smoothly enter the downstream equipment, and the materials need to be screened out for additional treatment. The screening device 7 of the embodiment selects a disc screen, and large materials formed after being initially broken by the block breaking machine are screened by the disc screen, so that small materials meeting the use requirements enter the next procedure.

In order to carry out secondary crushing on small blocks of materials so as to meet the use requirement of the lithium battery cathode material, the lump material processing system further comprises a secondary lump crushing device 8, and the secondary lump crushing device 8 is connected with the screening device 7 so that the secondary lump crushing device 8 carries out secondary crushing on the screened lump materials. The secondary crushing device 8 of the embodiment adopts the existing mechanical grinding equipment, namely, the mechanical grinding equipment is used for finely crushing the screened small materials, so that the volume use requirement of the lithium battery cathode material is met. After the small materials are finely crushed by the mechanical grinding equipment, the next process can be carried out. Thus, a ninth storage silo 80 is connected to the discharge end of the mechanical grinding apparatus, and the discharge end of the ninth storage silo 80 is provided with a manual gate valve 1101, by means of which manual gate valve 1101 the discharge of material in the ninth storage silo 80 can be temporarily blocked. In addition, in order to control the discharging speed of the material stored in the ninth storage bin 80, the discharging end of the ninth storage bin 80 is further provided with a third volume feeding machine 800, the discharging speed of the material stored in the ninth storage bin can be well controlled through the third volume feeding machine 800, and the impact of the material on downstream equipment is prevented. In addition, in order to maintain the pressure balance in the ninth storage silo 80, an air discharge filter 1300 is also provided in the ninth storage silo 80, and the pressure balance in the ninth storage silo 80 is maintained by the air discharge filter 1300.

The discharge end of the third volume feeder 800 is connected with the iron removal device 801, that is, the material is conveyed to the iron removal device 801 through the third volume feeder 800, and the material after the secondary crushing is subjected to magnetic impurity treatment through the iron removal device 801, so as to meet the use requirements of the lithium battery cathode material. The deironing device 801 of this embodiment selects the rotation type deironing device, handles away the impurity that has magnetism through the rotation type deironing device, makes the finished product material satisfy the operation requirement. Finally, pack through packing plant 9, packing plant 9 of this embodiment chooses for use packagine machine, and the ejection of compact that will have handled through packagine machine is packed with ton bag, convenient transportation.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (10)

1. Automatic production system of artificial graphite cathode material, its characterized in that includes:

a control system;

the asphalt feeding system (1) is used for feeding asphalt powder and weighing the fed asphalt powder;

the graphite feeding system (2) is used for feeding graphite powder and weighing the fed graphite powder;

the mixing device (3) is respectively connected with the asphalt feeding system (1) and the graphite feeding system (2), and the control system is used for controlling asphalt powder weighed by the asphalt feeding system (1) and graphite powder weighed by the graphite feeding system (2) to enter the mixing device (3) for mixing;

the heating device (4), the heating device (4) is connected with the mixing device (3), and the control system is also used for controlling the powder mixed by the mixing device (3) to enter the heating device (4) for heating so as to enable the mixed powder to be agglomerated into blocks;

the lump material processing system is connected with the heating device (4), and the control system is also used for controlling the lump material formed by heating through the heating device (4) to enter the lump material processing system for crushing;

the de-ironing device (801), the de-ironing device (801) is connected with the lump material processing system, and the control system is also used for controlling the lump materials crushed by the lump material processing system to enter the de-ironing device (801) for magnetic impurity treatment;

the packing device (9), the packing device (9) is connected with the deironing device (801), and the control system is also used for controlling lump materials treated by the magnetic impurities in the deironing device (801) to enter the packing device (9) for packing.

2. The automatic production system of artificial graphite anode material of claim 1, characterized in that: the asphalt feeding system (1) comprises an asphalt feeding device (10), and the asphalt feeding device (10) is used for delivering asphalt powder.

3. The automated production system of artificial graphite anode material according to claim 2, characterized in that: the asphalt feeding system (1) further comprises an asphalt material storage device (11), the asphalt material storage device (11) is connected with the asphalt feeding device (10) through a pipeline, a dust remover is arranged on the asphalt material storage device (11), and the dust remover is used for removing dust from asphalt powder entering the asphalt material storage device (11).

4. The automated production system of artificial graphite anode material according to claim 3, characterized in that: the asphalt feeding system (1) further comprises a material activating device (13), the material activating device (13) is connected with the asphalt material storage device (11), and the material activating device (13) is used for activating asphalt materials.

5. The automatic production system of artificial graphite anode material of claim 4, characterized in that: the asphalt feeding system (1) further comprises a material crushing device (12), the asphalt material storage device (11) and the material activation device (13) are connected through the material crushing device (12), and the material crushing device (12) is used for crushing asphalt materials.

6. The automatic production system of artificial graphite anode material of claim 4, characterized in that: the asphalt feeding system (1) further comprises a weighing device (18), the weighing device (18) is connected with the material activating device (13), and the weighing device (18) is used for weighing the asphalt material.

7. The automatic production system of artificial graphite anode material of claim 1, characterized in that: the lump material processing system comprises a primary lump breaking device (6), wherein the primary lump breaking device (6) is connected with the heating device (4) so that the primary lump breaking device (6) can carry out primary crushing on lump materials.

8. The automated production system of artificial graphite anode material according to claim 7, characterized in that: the lump material processing system further comprises a screening device (7), wherein the screening device (7) is connected with the primary lump breaking device (6) so that the screening device (7) screens lump materials broken by the primary lump breaking device (6).

9. The automated production system of artificial graphite anode material according to claim 8, characterized in that: the lump material processing system further comprises a secondary lump breaking device (8), wherein the secondary lump breaking device (8) is connected with the screening device (7) so that the secondary lump breaking device (8) can carry out secondary crushing on the screened lump materials.

10. The automatic production system of artificial graphite anode material of claim 1, characterized in that: the device is characterized by further comprising a cooling device (5), wherein the cooling device (5) is connected with the heating device (4), and the cooling device (5) is used for cooling blocks formed by heating and mixing the powder through the heating device (4).

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