CN212081973U - High-efficient drying device of lithium sediment - Google Patents
High-efficient drying device of lithium sediment Download PDFInfo
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- CN212081973U CN212081973U CN202020953028.8U CN202020953028U CN212081973U CN 212081973 U CN212081973 U CN 212081973U CN 202020953028 U CN202020953028 U CN 202020953028U CN 212081973 U CN212081973 U CN 212081973U
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Abstract
The utility model discloses a lithium slag high-efficiency drying device, which comprises a drying cylinder with a feed inlet and a discharge outlet, wherein a rotary column is coaxially and rotatably arranged in the drying cylinder, a plurality of drying columns are arranged on the outer side of the rotary column along the spiral direction, and one end of the drying column, which is far away from the rotary column, is closed and is connected with one side of a spiral scraping sheet; an air inlet channel is axially arranged in the rotary column, an air channel communicated with the air inlet channel is arranged in the drying column, and a plurality of air outlet holes communicated with the air channel are further formed in the side wall of the drying column; the utility model discloses have the beneficial effect of effectively breaking up the lithium sediment, avoiding the lithium sediment caking, effectively improving the drying efficiency of lithium sediment.
Description
Technical Field
The utility model belongs to the technical field of lithium sediment is dried, concretely relates to high-efficient drying device of lithium sediment.
Background
In the lithium battery recovery industry, after the effective components in the lithium battery are extracted and recovered, the residual substances are the lithium slag. The lithium slag can be used as a building material, and the amount of cement used in the building material can be reduced by mixing the lithium slag into the building material. However, the lithium slag generally contains additives remaining for extracting effective components, which results in a large amount of moisture contained in the lithium slag, and thus the lithium slag needs to be dried to a certain extent before being used later.
The traditional lithium slag drying device is characterized in that lithium slag is placed in a drying cylinder, and then waste heat and waste gas of a grate cooler are introduced into the drying cylinder to heat and dry the lithium slag. However, since the lithium slag initially contains a large amount of moisture, the lithium slag in the drying cylinder is easily agglomerated, which may cause the lithium slag on the surface to be dried and the lithium slag inside to be still in a wet state, thereby reducing the drying efficiency of the lithium slag. Meanwhile, the lithium slag is difficult to take out after caking in the drying cylinder, and the drying efficiency of the lithium slag is further reduced.
Consequently, to the easy defect that agglomerates of lithium sediment, lithium sediment drying efficiency is low of traditional lithium sediment drying device in the lithium sediment in-process of drying, the utility model discloses a high-efficient drying device of lithium sediment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high-efficient drying device of lithium sediment realizes carrying out high-efficient the drying to the lithium sediment when effectively breaking up the lithium sediment, improves the efficiency that the lithium sediment was dried greatly.
The utility model discloses a following technical scheme realizes:
a high-efficiency drying device for lithium slag comprises a drying cylinder with a feeding hole and a discharging hole, wherein a rotary column is coaxially and rotatably arranged in the drying cylinder, a plurality of drying columns are arranged on the outer side of the rotary column along the spiral direction, and one end, far away from the rotary column, of each drying column is closed and connected with one side of a spiral scraping sheet; the inside of gyration post is provided with the intake duct along the axial, the inside of stoving post is provided with the air vent with the intake duct intercommunication, still be provided with a plurality of ventholes with the air vent intercommunication on the lateral wall of stoving post.
And a feed inlet and a discharge outlet with sealing covers are respectively arranged at two ends of the drying cylinder, and lithium slag to be dried is placed into the drying cylinder through the feed inlet. Then drive the gyration post through external drive device such as motor and rotate, the stoving post that the gyration post outside set up along the spiral direction and then under the drive of gyration post this moment, and then drive the rotation of spiral scraper blade. Through the rotation of the drying column and the spiral scraping sheet, the caking lithium slag can be scattered, and meanwhile, the lithium slag is fed from the feed inlet to the discharge outlet through the rotation of the spiral scraping sheet. The inside coaxial one end opening one end confined intake duct that is provided with of gyration post, the open end of intake duct extends to the outside of drying cylinder and is connected with the waste heat exhaust gas pipeline of the cold machine of comb, the waste gas that has the waste heat that produces in the cold machine of comb gets into the intake duct, and get into inside the air duct of a plurality of stoving posts through the intake duct, and then spout through the venthole on the stoving post lateral wall, scrape the tablet with the spiral at stoving post and carry out effective heating drying to the lithium sediment when breaking up to the lithium sediment, can dry the moisture in the lithium sediment rapidly, the efficiency of lithium sediment stoving is improved greatly. And feeding the dried lithium slag to a discharge port by a spiral scraper and discharging the lithium slag from the discharge port.
In order to better realize the utility model discloses, furtherly, still include rotary drive device, rotary drive device sets up in one side of a stoving section of thick bamboo, and rotary drive device's drive end is used for driving the gyration post and rotates.
In order to better realize the utility model discloses, furtherly, rotary drive includes rotary speed reducer, slewing gear, gyration ring gear, the gyration ring gear cover is established and is served in one that the gyration post extends to the drying cylinder outside, the slewing gear cover is established on rotary speed reducer's output shaft, and slewing gear and the meshing of gyration ring gear.
For better realization the utility model discloses, furtherly, the bottom of drying cylinder is provided with the support, drying cylinder rotates along the axis direction and sets up on the support.
In order to better realize the utility model discloses, furtherly, the left and right sides on the support is coaxial respectively and is provided with the support ring frame, be provided with slewing bearing in the hole of support ring frame, a stoving section of thick bamboo is installed in rotating in slewing bearing's the hole.
In order to better realize the utility model discloses, furtherly, the coaxial barrel ring gear that is provided with in the outside of stoving section of thick bamboo, be provided with barrel drive speed reducer on the support, the cover is equipped with barrel drive gear on barrel drive speed reducer's the output shaft, barrel drive gear and the meshing of barrel ring gear.
For better realization the utility model discloses, furtherly, the top of a stoving section of thick bamboo is provided with discharge valve, still be provided with the manometer on the stoving section of thick bamboo, the inside of a stoving section of thick bamboo is provided with temperature sensor.
In order to better realize the utility model discloses, furtherly, be provided with exhaust nozzle in the venthole, exhaust nozzle's the end of giving vent to anger is provided with the filter screen layer.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
(1) the utility model discloses a coaxial rotation sets up the rotary column in the inside of drying cylinder, and set up a plurality of drying columns in the outside of rotary column along the spiral direction, set up the spiral and scrape the tablet between the one end of rotary column is kept away from to the drying column simultaneously, drive the rotary column through the rotary drive device and rotate, and then drive drying column and spiral and scrape the rotation of tablet and break up and pay-off lithium sediment, effectively avoid the lithium sediment caking;
(2) the utility model discloses a coaxially set up the intake duct in the inside of gyration post, set up the air vent that communicates with the intake duct in the inside of stoving post, set up a plurality of ventholes that communicate with the air vent on the lateral wall of stoving post simultaneously, then let in the waste heat waste gas of outside grate cooler in the intake duct, make waste heat waste gas get into a plurality of air vents and discharge from the venthole, and then realize carrying out the even heating stoving to the whole journey of lithium sediment pay-off, cooperate the stoving post and the spiral to scrape the piece and break up the lithium sediment, effectively guarantee the stoving to the lithium sediment, greatly improved the efficiency that the lithium sediment was dried;
(3) the utility model discloses an at the outside suit barrel ring gear of a stoving section of thick bamboo to the barrel drive speed reducer that is equipped with barrel drive gear through the output shaft cover drives a stoving section of thick bamboo and rotates, makes a stoving section of thick bamboo and rotary column carry out relative rotation, and then realizes breaing up the cooperation of the inside lithium sediment of a stoving section of thick bamboo, effectively avoids the lithium sediment caking, and then improves the drying efficiency of lithium sediment.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection between the rotary column and the drying column;
fig. 3 is a schematic structural view of the support ring frame.
Wherein: 1-drying cylinder; 2-a rotary column; 3-drying the column; 4-spiral scraping material sheet; 5-a rotation driving device; 01-an air inlet channel; 02-air passage; 03-an exhaust nozzle; 11-a cylinder gear ring; 12-cylinder drive reducer; 13-barrel drive gear; 51-a rotary reducer; 52-a rotary gear; 53-a slewing ring gear; 100-upper half ring frame; 101-upper half ring frame; 200-lower semi-ring frame; 201-lower half ring groove.
Detailed Description
Example 1:
the efficient drying device for the lithium slag comprises a drying cylinder 1 with a feeding hole and a discharging hole, wherein a rotary column 2 is coaxially and rotatably mounted inside the drying cylinder 1, a plurality of drying columns 3 are arranged on the outer side of the rotary column 2 along the spiral direction, and one ends of the drying columns 3, which are far away from the rotary column 2, are sealed and connected with one side of a spiral scraping sheet 4; the inside of gyration post 2 is provided with intake duct 01 along the axial, the inside of stoving post 3 is provided with the air vent 02 with intake duct 01 intercommunication, still be provided with a plurality of ventholes that communicate with air vent 02 on the lateral wall of stoving post 3.
The drying cylinder 1 is of a hollow cylindrical structure, mounting holes are coaxially formed in the two ends of the drying cylinder 1 in the axis direction, rotary bearings are coaxially mounted in the mounting holes, and rotary columns 2 are coaxially mounted between inner holes of the rotary bearings at the two ends in a rotating mode. An air inlet channel 01 is coaxially arranged inside the rotary column 2, and one end of the air inlet channel 01 extends to the outer side of the drying cylinder 1 and is connected with the air outlet end of an external waste heat and waste gas pipeline of the grate cooler through a rotary pipe joint.
Be provided with a plurality of stoving posts 3 along the spiral direction on the lateral surface of gyration post 2, the axis setting of the axis perpendicular to gyration post 2 of stoving post 3, and the inside coaxial air duct 02 that is provided with the inside intake duct 01 intercommunication of gyration post 2 of stoving post 3, the one end of stoving post 3 and the intake duct 01 intercommunication of gyration post 2 promptly, the other end of stoving post 3 seals. And meanwhile, a plurality of air outlets are formed in the side wall of the drying column 3 along the axial linear array, waste heat and waste gas of an external grate cooler firstly enter the air inlet channel 01 of the rotary column 2, enter the air channel 02 of the drying column 3 through the air inlet channel 01 after people enter the air inlet channel, and then are discharged through the air outlets in the drying column 3, so that the lithium slag in the drying cylinder 1 is heated and air-dried.
The welding has the lug on the closed end of rotary column 2 is kept away from to stoving post 3, connects to be provided with the connecting hole on the lug, corresponds the connecting hole that connects on the lug and sets up the through-hole on material piece 4 is scraped to the spiral simultaneously, then realizes the installation of material piece 4 at 3 ends of stoving post through revolving the bolt soon in through-hole and connecting hole and locking through the nut. Through the exhaust in venthole on stoving post 3, drive rotation post 2 through drive arrangement such as outside motor and rotate, rotation post 2 and then drive stoving post 3 and rotate, stoving post 3 advances and drives the spiral and scrape tablet 4 and rotate, the spiral is scraped the feed inlet setting that the one end of tablet 4 corresponds stoving section of thick bamboo 1, the spiral is scraped the discharge gate setting that the other end of tablet 4 corresponds stoving section of thick bamboo 1, scrape the rotation of tablet 4 through the spiral, and then realize breaking up the lithium sediment and follow the feed inlet to the discharge gate pay-off with the lithium sediment, avoid the lithium sediment to pile up in stoving section of thick bamboo 1 is inside, and cooperate the hot-blast that the venthole blew off on the stoving post 3 simultaneously through breaking up the lithium sediment, effectively avoid the lithium sediment caking, realize the heating and drying to the lithium sediment simultaneously, the drying efficiency of lithium sediment is greatly improved.
One side that the material piece 4 is scraped to the spiral is close to the section of thick bamboo wall of drying section of thick bamboo 1 and the section of thick bamboo wall laminating of drying section of thick bamboo 1, and the material piece 4 is scraped to the spiral is reserved between one side that is close to rotary column 2 and has enough space to supply the lithium sediment to pass through, can not block the conveying of lithium sediment.
Simultaneously, owing to be provided with a plurality of drying columns 3 along the direction of spiral in the outside of gyration post 2, at the lithium sediment from the feed inlet by the in-process of pay-off to discharge gate, carry out whole journey heating air-dry to the lithium sediment through the venthole air-out on a plurality of drying columns 3, can guarantee effectively to dry the lithium sediment in the shorter stroke, and then the length of a stoving section of thick bamboo 1 that has significantly reduced for whole lithium sediment drying device's length is shorter, saves a large amount of spaces.
Example 2:
the embodiment is further optimized on the basis of embodiment 1, and as shown in fig. 1, the drying device further includes a rotation driving device 5, the rotation driving device 5 is disposed on one side of the drying cylinder 1, and a driving end of the rotation driving device 5 is used for driving the rotation column 2 to rotate. The swing drive device 5 may be any one of a spur gear ring gear drive device, a helical gear ring gear drive device, and a friction wheel drive device.
If the rotary driving device 5 is a straight gear and gear ring driving device, the device comprises a straight gear, a straight gear ring and a driving motor, wherein the straight gear is sleeved on an output shaft of the driving motor, the straight gear is sleeved outside the rotary column 2 and is meshed with the straight gear ring, and the driving motor drives the straight gear to rotate so as to drive the straight gear ring to rotate and further drive the rotary column 2 to rotate.
If the rotary driving device 5 is a helical gear and gear ring driving device, the helical gear and gear ring driving device comprises a helical gear, a helical gear ring and a driving motor, the helical gear is sleeved on an output shaft of the driving motor, the helical gear ring is sleeved on the outer side of the rotary column 2, the helical gear is meshed with the helical gear ring, the driving motor drives the helical gear to rotate, the helical gear ring is driven to rotate, and then the rotary column 2 is driven to rotate.
If the rotation driving device 5 is a friction wheel driving device, the friction wheel driving device comprises a friction wheel and a driving motor, the friction wheel is sleeved on an output shaft of the driving motor and is in contact with the outer side surface of the rotation column 2, the driving motor drives the friction wheel to rotate, and then the rotation column 2 is driven to rotate through friction force.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
the present embodiment is further optimized on the basis of the above embodiment 1 or 2, as shown in fig. 1, the rotation driving device 5 includes a rotation speed reducer 51, a rotation gear 52, and a rotation gear ring 53, the rotation gear ring 53 is sleeved on one end of the rotation column 2 extending to the outer side of the drying cylinder 1, the rotation gear 52 is sleeved on an output shaft of the rotation speed reducer 51, and the rotation gear 52 is meshed with the rotation gear ring 53.
The rotary gear 52 is driven to rotate by the rotary speed reducer 51, and then the rotary gear ring 53 is driven to rotate, and finally the rotary column 2 is driven to rotate.
The output rotating speed of the rotary speed reducer 51 is 10r/min, the transmission ratio of the rotary gear 52 to the rotary gear ring 53 is 2:1, and after speed reduction, the rotating speed of the rotary column 2 is finally 5r/min, namely the rotating speed of the rotary column 2 driving the drying column 3 and the spiral scraping sheet 4 is 5 r/min. The lower rotational speed can make the spiral scrape the material tablet 4 and be slower to the feeding speed of lithium sediment, and then makes the spiral scrape material tablet 4 can fully break up the lithium sediment, makes the venthole on the stoving post 3 have enough time to blow off enough hot-blastly to dry the lithium sediment simultaneously.
The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.
Example 4:
this embodiment is further optimized on the basis of any one of the above embodiments 1 to 3, wherein a support is disposed at the bottom of the drying drum 1, and the drying drum 1 is rotatably disposed on the support along the axial direction.
The left and right sides on the support are coaxially provided with a support ring frame respectively, a rotary bearing is arranged in an inner hole of the support ring frame, and a drying cylinder 1 is rotatably arranged in the inner hole of the rotary bearing.
As shown in fig. 3, the support ring frame includes an upper half ring frame 100 and a lower half ring frame 200, the lower half ring frame 200 is installed on the support through a connecting seat, the lower half ring frame 200 is a half ring structure with an upward opening, and female connecting flanges are disposed on two sides of the top opening end of the lower half ring frame 200. The upper semi-ring frame 100 is a semi-ring structure with a downward opening, the two sides of the bottom opening of the upper semi-ring frame 100 are provided with sub-connecting flanges corresponding to the female connecting flanges, and the upper semi-ring frame 100 and the lower semi-ring frame 200 can be assembled into the ring structure by mutually connecting the female connecting flanges and the sub-connecting flanges.
The inner side of the upper semi-ring frame 100 is provided with an upper semi-sliding groove 101, the inner side of the lower semi-ring frame 200 is provided with a lower semi-ring groove 201, when the upper semi-ring frame 100 and the lower semi-ring frame 200 are spliced into an annular structure, the upper semi-sliding groove 101 and the lower semi-sliding groove 201 are also spliced into an annular sliding groove, and the slewing bearing is coaxially arranged in the annular sliding groove. The outer side of the drying cylinder 1 is provided with a limiting groove corresponding to the inner ring surface of the rotary bearing, the width of the limiting groove is equal to or slightly larger than that of the rotary bearing, the rotary bearing is axially limited, and the rotary bearing is prevented from axially moving.
Other parts of this embodiment are the same as any of embodiments 1 to 3, and thus are not described again.
Example 5:
this embodiment is further optimized on the basis of any one of the above embodiments 1 to 4, as shown in fig. 1, a drum gear ring 11 is coaxially disposed outside the drying drum 1, a drum driving speed reducer 12 is disposed on the support, a drum driving gear 13 is sleeved on an output shaft of the drum driving speed reducer 12, and the drum driving gear 13 is meshed with the drum gear ring 11.
The cylinder gear ring 11 is coaxially welded on the outer side of the drying cylinder 1, the cylinder driving speed reducer 12 is installed in the middle area of the support, the cylinder driving gear 13 is driven to rotate through the cylinder driving speed reducer 12, the cylinder gear ring 11 is further driven to rotate, the drying cylinder 1 is further driven to rotate, and the rotating direction of the drying cylinder 1 is opposite to that of the rotary column 2.
Through the relative rotation of a drying cylinder 1 and a rotary column 2, the double scattering of the lithium slag in the drying cylinder 1 is realized, and the drying efficiency of the lithium slag is further improved.
Other parts of this embodiment are the same as any of embodiments 1 to 4, and thus are not described again.
Example 6:
the embodiment is further optimized on the basis of any one of the embodiments 1 to 5, the top of the drying cylinder 1 is provided with an exhaust valve, the drying cylinder 1 is further provided with a pressure gauge, and the inside of the drying cylinder 1 is provided with a temperature sensor.
The pressure value inside the drying cylinder 1 is detected in real time through the pressure gauge, and when the pressure value exceeds a threshold value, the gas part inside the drying cylinder 1 is exhausted through the exhaust valve, so that the pressure value inside the drying cylinder 1 is maintained in a suitable state.
The temperature sensor is used for monitoring the temperature inside the drying cylinder 1 in real time, and when the temperature inside the drying cylinder 1 is lower than a threshold value, the air inflow of an air inlet channel 01 of the rotary column 2 is increased; when the temperature inside the drying cylinder 1 is higher than the threshold value, the air inlet amount of the air inlet channel 01 of the rotary column 2 is reduced.
The exhaust nozzle 03 is arranged in the air outlet hole, the air outlet end of the exhaust nozzle 03 is provided with the filter screen layer, the filter screen layer can effectively prevent the air outlet end of the exhaust nozzle 03 from being blocked by lithium slag, and normal work of the exhaust nozzle 03 is effectively guaranteed.
Other parts of this embodiment are the same as any of embodiments 1 to 5, and thus are not described again.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (8)
1. The efficient drying device for the lithium slag comprises a drying cylinder (1) with a feeding hole and a discharging hole, and is characterized in that a rotary column (2) is coaxially and rotatably arranged inside the drying cylinder (1), a plurality of drying columns (3) are arranged on the outer side of the rotary column (2) along the spiral direction, and one ends, far away from the rotary column (2), of the drying columns (3) are closed and connected with one side of a spiral scraping sheet (4); the inside of gyration post (2) is provided with intake duct (01) along the axial, the inside of stoving post (3) is provided with air duct (02) with intake duct (01) intercommunication, still be provided with a plurality of ventholes with air duct (02) intercommunication on the lateral wall of stoving post (3).
2. The efficient drying device for lithium slag as claimed in claim 1, further comprising a rotary driving device (5), wherein the rotary driving device (5) is arranged at one side of the drying cylinder (1), and a driving end of the rotary driving device (5) is used for driving the rotary column (2) to rotate.
3. The lithium slag efficient drying device according to claim 2, wherein the rotary driving device (5) comprises a rotary speed reducer (51), a rotary gear (52) and a rotary gear ring (53), the rotary gear ring (53) is sleeved on one end of the rotary column (2) extending to the outer side of the drying drum (1), the rotary gear (52) is sleeved on an output shaft of the rotary speed reducer (51), and the rotary gear (52) is meshed with the rotary gear ring (53).
4. The lithium slag efficient drying device according to any one of claims 1 to 3, wherein a support is arranged at the bottom of the drying cylinder (1), and the drying cylinder (1) is rotatably arranged on the support along the axial direction.
5. The efficient drying device for the lithium slag as claimed in claim 4, wherein the support frame is coaxially provided with a support ring frame on the left side and a support ring frame on the right side respectively, the inner hole of the support ring frame is provided with a rotary bearing, and the inner hole of the rotary bearing is rotatably provided with the drying cylinder (1).
6. The efficient lithium slag drying device as claimed in claim 5, wherein a barrel gear ring (11) is coaxially arranged outside the drying barrel (1), the bracket is provided with a barrel driving speed reducer (12), an output shaft of the barrel driving speed reducer (12) is sleeved with a barrel driving gear (13), and the barrel driving gear (13) is meshed with the barrel gear ring (11).
7. The efficient drying device for the lithium slag according to any one of claims 1 to 3, wherein an exhaust valve is arranged at the top of the drying cylinder (1), a pressure gauge is further arranged on the drying cylinder (1), and a temperature sensor is arranged inside the drying cylinder (1).
8. The lithium slag efficient drying device according to any one of claims 1 to 3, wherein an exhaust nozzle (03) is arranged in the air outlet hole, and a filter screen layer is arranged at the air outlet end of the exhaust nozzle (03).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020953028.8U CN212081973U (en) | 2020-05-29 | 2020-05-29 | High-efficient drying device of lithium sediment |
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| CN202020953028.8U CN212081973U (en) | 2020-05-29 | 2020-05-29 | High-efficient drying device of lithium sediment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465328A (en) * | 2021-07-02 | 2021-10-01 | 安徽科林新材料科技有限公司 | Drying device for shaving board processing |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465328A (en) * | 2021-07-02 | 2021-10-01 | 安徽科林新材料科技有限公司 | Drying device for shaving board processing |
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