CN219976953U - Three-return-stroke drying furnace for recycling waste lithium batteries - Google Patents
Three-return-stroke drying furnace for recycling waste lithium batteries Download PDFInfo
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- CN219976953U CN219976953U CN202320745089.9U CN202320745089U CN219976953U CN 219976953 U CN219976953 U CN 219976953U CN 202320745089 U CN202320745089 U CN 202320745089U CN 219976953 U CN219976953 U CN 219976953U
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- Prior art keywords
- drying furnace
- cylinder
- pass drying
- lithium batteries
- barrel
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- 238000001035 drying Methods 0.000 title claims abstract description 25
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 20
- 239000002699 waste material Substances 0.000 title claims abstract description 16
- 238000004064 recycling Methods 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 43
- 239000000463 material Substances 0.000 abstract description 24
- 230000000903 blocking effect Effects 0.000 abstract description 15
- 239000002245 particle Substances 0.000 abstract description 8
- 239000011362 coarse particle Substances 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001550 time effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a three-return drying furnace for recycling waste lithium batteries, which comprises an outer cylinder, a middle cylinder, an inner cylinder and a heating box, wherein the middle cylinder is arranged in the outer cylinder, the inner cylinder is arranged in the middle cylinder, supporting rods are fixed between the outer cylinder and the middle cylinder, a plurality of groups of supporting rods are arranged in the outer cylinder, inclined lifting plates which are spirally arranged are arranged on the inner walls of the outer cylinder, the middle cylinder, the inner cylinder and the inner cylinder, one end of the outer cylinder is provided with a discharge port, one end of the discharge port is fixedly provided with a negative pressure fan, and one end of the inner cylinder extends out from the other end of the outer cylinder. According to the utility model, the inclined material lifting plate plays a role in pushing materials on one hand, and increases the contact area of the materials and a heat source on the other hand, so that the materials, whether large particles, small particles, diaphragm paper and the like can be uniformly mixed with hot air, and the occurrence of blocking and blocking of coarse particles with high moisture and the diaphragm paper at a narrow position in a furnace is avoided.
Description
Technical Field
The utility model relates to the technical field of drying furnaces, in particular to a three-pass drying furnace for recycling waste lithium batteries.
Background
The waste lithium batteries are discharged, crushed, and the ground surfaces contain a certain amount of water, so that the waste lithium batteries can enter the subsequent working procedures after being dried. The existing drying equipment on the market has the defects of large occupied area, high energy consumption, poor heat conduction capacity and low working efficiency because the traditional single-drum dryer is adopted, preheating is needed 1-2 hours in advance, a heat source is positioned outside the device, and the temperature is too high or too low to control and can be determined only by controlling the treatment capacity; the common three-pass drying equipment is only based on the prior art, so that negative pressure conveying is added, and the technical defect of heat source singleness is overcome. The three-return dryer has the advantages that the processing capacity is larger, the processing efficiency is greatly accelerated, the three-return dryer is applied to the field of lithium battery recovery, other problems such as insufficient uniform mixing of battery crushed materials, easy blocking and even blocking at narrow positions or corners of the equipment, incapability of manually removing blocking once blocking occurs, and the like are generated.
Disclosure of Invention
The utility model aims to provide a three-pass drying furnace for recycling waste lithium batteries, which is used for solving the technical defects of single heat source and is provided with the common three-pass drying equipment in the background art, and negative pressure conveying is added on the basis of the prior art. The three-return dryer has the advantages that the processing capacity is larger, the processing efficiency is greatly improved, the three-return dryer is applied to the field of lithium battery recovery, other problems such as insufficient uniform mixing of battery crushed materials, easy blocking and even blocking at narrow positions or corners of the equipment, and incapability of manually removing blocking once blocking occurs.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a three return strokes desiccation stove for old and useless lithium cell is retrieved, urceolus, well section of thick bamboo, inner tube and heating cabinet, the inside of urceolus is provided with well section of thick bamboo, the inside of well section of thick bamboo is provided with the inner tube, be fixed with the bracing piece between urceolus and the well section of thick bamboo, the bracing piece is provided with the multiunit in the urceolus, well section of thick bamboo and inner tube inner wall set up the inclined lifting blade of spiral arrangement, the one end of urceolus is provided with the discharge gate, the one end of discharge gate is fixed with negative pressure fan, the other end extension in the urceolus is followed to the one end of inner tube.
Preferably, the bottom of the outer cylinder is fixed with a supporting piece, and a plurality of groups of supporting pieces are arranged at the bottom of the outer cylinder.
Preferably, a fixed block is fixed at the central position of the bottom of the heating box, and heat conduction oil is placed in the heating box and plays a role in heat conduction.
Preferably, a heater is fixed at the bottom of the heating box, the heater is immersed in the heat conduction oil, and the heater plays a role in heating.
Preferably, the top inside the heating box is fixed with a heating plate through bolts, and the heating plate is provided with two groups on the heating box.
Preferably, one side of the heating box is connected with an air port, and the other side of the heating box is connected with a connecting pipe.
Preferably, a feeding port is fixed on one side of the top of the connecting pipe, and a pushing fan is arranged on the top of the connecting pipe.
Preferably, one end of the pushing fan is connected with the connecting pipe, and the other end of the pushing fan is connected with one end of the inner cylinder.
Compared with the prior art, the utility model has the beneficial effects that: the three-return-stroke drying furnace for recycling the waste lithium batteries is reasonable in structure and has the following advantages:
(1) The device has the advantages that the device is high in treatment efficiency and difficult to block through the outer cylinder, the middle cylinder, the inner cylinder and the lifting blades are arranged, the middle cylinder is arranged in the outer cylinder, the inner cylinder is arranged in the middle cylinder, the inclined lifting blades are arranged on the inner wall of the outer cylinder, the middle cylinder and the inner cylinder, materials move along with high-temperature gas, the inclined lifting blades play a role in pushing materials on one hand, the contact area of the materials and a heat source is increased on the other hand, large particles, small particles, diaphragm paper and the like can be uniformly mixed with hot air, and coarse particles with high moisture and the diaphragm paper at narrow positions in a furnace are prevented from being blocked and blocked.
(2) The hot air and the materials can quickly and uniformly enter the furnace under the action of negative pressure, the preheating time is greatly shortened, dust cannot overflow, and the heat loss is small.
(3) Through being provided with heating cabinet, hot plate, heater and conduction oil messenger preheating time's effect, consequently, through being provided with the hot plate at the top of heating cabinet, the inside conduction oil that is provided with of heating cabinet is through the inside bottom of the fixed heating cabinet of heater, through the mode that adopts multiple heating, makes the preheating time end, and device simple structure.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of the present utility model;
FIG. 2 is a schematic diagram of the front external structure of the present utility model;
FIG. 3 is a schematic side sectional view of the outer cylinder of the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
Fig. 5 is a schematic top view of the outer cylinder of the present utility model.
In the figure: 1. a support; 2. an outer cylinder; 3. a middle cylinder; 4. an inner cylinder; 5. a lifting plate; 6. a pushing fan; 7. a connecting pipe; 8. a feed inlet; 9. a fixed block; 10. an air port; 11. a heating box; 12. a heating plate; 13. a heater; 14. a support rod; 15. heat conducting oil; 16. a discharge port; 17. negative pressure fan.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
Referring to fig. 1-5, an embodiment of the present utility model is provided: the three-return drying furnace for recycling waste lithium batteries comprises an outer cylinder 2, a middle cylinder 3, an inner cylinder 4 and a heating box 11, wherein the middle cylinder 3 is arranged in the outer cylinder 2, the inner cylinder 4 is arranged in the middle cylinder 3, a supporting rod 14 is fixed between the outer cylinder 2 and the middle cylinder 3, a plurality of groups of supporting rods 14 are arranged in the outer cylinder 2, inclined lifting plates 5 which are spirally arranged are arranged on the inner walls of the outer cylinder 2, the middle cylinder 3 and the inner cylinder 4, one end of the outer cylinder 2 is provided with a discharge hole 16, one end of the discharge hole 16 is fixedly provided with a negative pressure fan 17, and one end of the inner cylinder 4 extends out from the other end of the outer cylinder 2;
the material moves along with the high-temperature gas, the inclined lifting plate 5 plays a role in pushing on one hand, and on the other hand, the contact area of the material and a heat source is increased, so that the material can be uniformly mixed with hot air in large particles, small particles, diaphragm paper and the like, and the occurrence of blocking and blocking of coarse particles with high moisture and the diaphragm paper at a narrow part in the furnace is avoided; the middle cylinder 3 and the inner cylinder 4 are blocked by the cylinder wall, and the outer cylinder 2 and the middle cylinder 3 are blocked by the cylinder wall, so that hot air and materials move in a typical Z-shaped route in the furnace, and under the action of negative pressure, the hot air and the materials can quickly and uniformly enter the furnace, the preheating time is greatly shortened, dust cannot overflow, and the heat loss is small;
the bottom of the outer cylinder 2 is fixedly provided with a supporting piece 1, a plurality of groups of supporting pieces 1 are arranged at the bottom of the outer cylinder 2, a fixed block 9 is fixed at the central position of the bottom of the heating box 11, heat conduction oil 15 is placed in the heating box 11, a heater 13 is fixed at the bottom of the heating box 11, and the heater 13 is immersed in the heat conduction oil 15;
the top of the inside of the heating box 11 is fixed with a heating plate 12 through bolts, and the heating plate 12 is provided with two groups on the heating box 11;
one side of the outer part of the heating box 11 is connected with an air port 10, and the other side of the outer part of the heating box 11 is connected with a connecting pipe 7;
one side of the top of the connecting pipe 7 is fixed with a feed inlet 8, the top of the connecting pipe 7 is provided with a pushing fan 6, one end of the pushing fan 6 is connected with the connecting pipe 7, and the other end of the pushing fan 6 is connected with one end of the inner cylinder 4;
the heating plate 12 is arranged at the top of the heating box 11, the heat conducting oil 15 is arranged in the heating box 11, the bottom of the heating box 11 is fixed through the heater 13, the preheating time end is realized by adopting various heating modes, and the device has a simple structure;
when the device is used, the device is placed at a proper position, then the heater 12 is passed, the heater 13 is started, the heater 13 heats the heat conduction oil 15, the air in the tuyere 10 is heated, then the material is poured into the feeding port 8, then the material is sucked into the inner cylinder 4 through the air flow by starting the material pushing fan 6 and the negative pressure fan 17, the material moves along with high-temperature gas, the inclined material lifting plate 5 plays a role of pushing the material on one hand, the contact area of the material and a heat source is increased on the other hand, the large particles, the small particles, the diaphragm paper and the like can be uniformly mixed with hot air, the occurrence of blocking and blocking of coarse particles with high moisture and the diaphragm paper at a narrow position in the furnace is avoided, the blocking of the coarse particles and the diaphragm paper by the cylinder wall is avoided through the space between the middle cylinder 3 and the inner cylinder 4, meanwhile, the hot air and the material can not move in a typical Z-shaped route in the furnace through the cylinder wall, the hot air and the material can not enter the furnace quickly and uniformly under the negative pressure effect, the preheating time is greatly shortened, and the dust overflows and the heat loss is small.
Claims (8)
1. A three return strokes desiccation stove for old and useless lithium cell is retrieved which characterized in that: the novel energy-saving heating device comprises an outer barrel (2), a middle barrel (3), an inner barrel (4) and a heating box (11), wherein the middle barrel (3) is arranged inside the outer barrel (2), the inner barrel (4) is arranged inside the middle barrel (3), a supporting rod (14) is fixed between the outer barrel (2) and the middle barrel (3), multiple groups of supporting rods (14) are arranged in the outer barrel (2), inclined lifting blades (5) which are spirally arranged are arranged on the inner walls of the outer barrel (2), the middle barrel (3) and the inner barrel (4), a discharge hole (16) is formed in one end of the outer barrel (2), a negative pressure fan (17) is fixed at one end of the discharge hole (16), and one end of the inner barrel (4) extends from the other end of the outer barrel (2).
2. The three-pass drying furnace for recycling waste lithium batteries according to claim 1, wherein the three-pass drying furnace is characterized in that: the bottom of the outer barrel (2) is fixedly provided with a supporting piece (1), and a plurality of groups of supporting pieces (1) are arranged at the bottom of the outer barrel (2).
3. The three-pass drying furnace for recycling waste lithium batteries according to claim 1, wherein the three-pass drying furnace is characterized in that: the central position of heating cabinet (11) bottom is fixed with fixed block (9), heat conduction oil (15) have been placed to inside heating cabinet (11).
4. The three-pass drying furnace for recycling waste lithium batteries according to claim 1, wherein the three-pass drying furnace is characterized in that: a heater (13) is fixed at the bottom of the heating box (11), and the heater (13) is immersed in heat conduction oil (15).
5. The three-pass drying furnace for recycling waste lithium batteries according to claim 1, wherein the three-pass drying furnace is characterized in that: the top inside heating cabinet (11) is fixed with hot plate (12) through the bolt, hot plate (12) are provided with two sets of on heating cabinet (11).
6. The three-pass drying furnace for recycling waste lithium batteries according to claim 1, wherein the three-pass drying furnace is characterized in that: one side of the outside of the heating box (11) is connected with an air port (10), and the other side of the outside of the heating box (11) is connected with a connecting pipe (7).
7. The three-pass drying furnace for recycling waste lithium batteries according to claim 6, wherein the three-pass drying furnace is characterized in that: one side at the top of the connecting pipe (7) is fixed with a feeding port (8), and the top of the connecting pipe (7) is provided with a pushing fan (6).
8. The three-pass drying furnace for recycling waste lithium batteries according to claim 7, wherein the three-pass drying furnace is characterized in that: one end of the pushing fan (6) is connected with the connecting pipe (7), and the other end of the pushing fan (6) is connected with one end of the inner cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320745089.9U CN219976953U (en) | 2023-04-07 | 2023-04-07 | Three-return-stroke drying furnace for recycling waste lithium batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320745089.9U CN219976953U (en) | 2023-04-07 | 2023-04-07 | Three-return-stroke drying furnace for recycling waste lithium batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219976953U true CN219976953U (en) | 2023-11-07 |
Family
ID=88584445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320745089.9U Active CN219976953U (en) | 2023-04-07 | 2023-04-07 | Three-return-stroke drying furnace for recycling waste lithium batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219976953U (en) |
-
2023
- 2023-04-07 CN CN202320745089.9U patent/CN219976953U/en active Active
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