CN114018042A - Lithium battery roasting rotary kiln - Google Patents
Lithium battery roasting rotary kiln Download PDFInfo
- Publication number
- CN114018042A CN114018042A CN202011165529.0A CN202011165529A CN114018042A CN 114018042 A CN114018042 A CN 114018042A CN 202011165529 A CN202011165529 A CN 202011165529A CN 114018042 A CN114018042 A CN 114018042A
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- China
- Prior art keywords
- layer
- kiln
- main body
- lithium battery
- kiln main
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/34—Arrangements of heating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/22—Rotary drums; Supports therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/33—Arrangement of devices for discharging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/38—Arrangements of cooling devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a lithium battery roasting rotary kiln which comprises a base and a kiln main body, wherein the kiln main body is rotatably supported on the base, an electric conduction slip ring is sleeved on the outer side of the kiln main body, the kiln main body comprises a heat conduction layer, a heating layer, a heat insulation layer and a protective layer which are coaxially arranged from inside to outside, a plurality of axially arranged heating elements are uniformly arranged in the heating layer, a plurality of axially arranged material blocking bulges are uniformly arranged on the inner wall of the heat conduction layer, a plurality of support columns are uniformly connected on the outer wall of the heat conduction layer, and one ends of the support columns, far away from the heat conduction layer, penetrate through the heating layer and the heat insulation layer and are fixedly connected with the protective layer. The invention has compact structure, high heating efficiency, uniform roasting and improved material performance stability, and effectively reduces heat loss.
Description
Technical Field
The invention relates to the technical field of thermal equipment, in particular to a rotary kiln for roasting lithium batteries.
Background
The rotary kiln is an important thermal equipment for alumina factories, cement factories and other metallurgical and chemical industries. The method is widely applied to various production industries such as building materials, metallurgy, chemical industry, environmental protection and the like.
Energy crisis and energy safety are the serious examinations faced by countries in the world at present, and the development of clean energy is an important subject of the development in the world at present. The lithium ion battery has the advantages of high voltage, high specific energy, good cycle performance, small environmental pollution and the like, and thus, the lithium ion battery becomes an important direction for the development of new energy industries of various countries. The anode material is used as an important component of the lithium ion battery, so that the preparation process of the anode material has important significance for the development of the lithium ion battery. In the preparation process of the anode material, the sintering process is the most important link. In the prior art, a rotary furnace adopted by the anode material sintering process is generally heated by an external heating type with a complex structure, so that the heat loss is large and the heating efficiency is low.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, it is an object of the present invention to provide a rotary kiln for lithium battery firing that solves the problems mentioned in the background.
In order to achieve the above and other related purposes, the invention provides a lithium battery roasting rotary kiln, which comprises a base and a kiln main body, wherein the kiln main body is rotatably supported on the base, the outer side of the kiln main body is sleeved with an electric conduction slip ring, the kiln main body comprises a heat conduction layer, a heating layer, a heat insulation layer and a protective layer which are coaxially arranged from inside to outside, a plurality of axially arranged heating elements are uniformly arranged in the heating layer, a plurality of axially arranged material blocking bulges are uniformly arranged on the inner wall of the heat conduction layer, a plurality of support columns are uniformly connected on the outer wall of the heat conduction layer, and one ends of the support columns, far away from the heat conduction layer, penetrate through the heating layer and the heat insulation layer and are fixedly connected with the protective layer.
In a further preferred embodiment of the present invention, the heat conductive layer is a ceramic heat conductive layer.
As a further preferred aspect of the present invention, the heating element is an electric resistance tape.
As a further preferable aspect of the present invention, the protective layer is a steel sheet layer.
As a further preferable scheme of the invention, a rolling ring is fixedly sleeved on the outer side of the kiln main body, a riding wheel is rotatably mounted on the base at a position corresponding to the rolling ring, and the rolling ring is rotatably supported on the riding wheel.
As a further preferable scheme of the invention, a driven gear is fixedly sleeved on the outer side of the kiln main body, a driving motor is fixedly installed at the upper end of the base, an output shaft of the driving motor is connected with a driving gear through a coupler, and the driving gear is meshed with the driven gear in a tooth joint manner.
As a further preferable scheme of the invention, a feeding assembly is installed at the feeding end of the kiln main body, the feeding assembly comprises a hopper, a spiral feeding cylinder and a feeding bin which are sequentially connected, the feeding bin is hermetically connected with the end part of the kiln main body, and one end of the spiral feeding cylinder penetrates through the feeding bin and is communicated with the inner cavity of the kiln main body.
As a further preferable scheme of the invention, a cooling cylinder is integrally connected to the discharge end of the kiln main body, a discharge assembly is connected to one end of the cooling cylinder, which is far away from the kiln main body, the discharge assembly comprises a discharge bin and a spiral discharge cylinder which are sequentially connected, and the discharge bin is hermetically connected with the cooling cylinder.
Compared with the prior art, the invention has the beneficial effects that: the equipment provided by the invention has a compact structure and high production efficiency, the heating element is arranged in the heating layer, the heat-insulating layer is arranged on the outer side of the heating layer, the heat loss is effectively reduced, the heat is directly transferred to the heat-conducting layer to heat the material in the inner cavity, the material blocking bulge blocks the material in the rotating process of the kiln main body, the material is prevented from sliding along the inner wall of the heat-conducting layer, the uniform roasting is ensured, and the stability of the material performance is improved.
Drawings
The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a kiln body according to the present invention;
wherein the reference numerals are specified as follows: the device comprises a base 1, a kiln main body 2, a heat conduction layer 201, a heating layer 202, a heat insulation layer 203, a protective layer 204, a heating element 205, a material blocking bulge 206, a support column 207, an electric conduction slip ring 3, a rolling ring 4, a riding wheel 5, a driven gear 6, a hopper 701, a spiral feeding cylinder 702, a feeding bin 703, a cooling cylinder 8, a discharging bin 901 and a spiral discharging cylinder 902.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be apparent to those skilled in the art from the disclosure herein.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used to limit the conditions and conditions of the present disclosure, so that the present disclosure is not technically significant, and any structural modifications, ratio changes or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1 and 2, the invention provides a lithium battery roasting rotary kiln, which comprises a base 1 and a kiln main body 2, wherein the kiln main body 2 is rotatably supported on the base 1, an electrically conductive slip ring 3 is sleeved on the outer side of the kiln main body 2, the kiln main body 2 comprises a heat conduction layer 201, a heating layer 202, a heat insulation layer 203 and a protection layer 204 which are coaxially arranged from inside to outside, a plurality of axially arranged heating elements 205 are uniformly installed in the heating layer 202, a plurality of axially arranged material blocking protrusions 206 are uniformly arranged on the inner wall of the heat conduction layer 201, a plurality of support columns 207 are uniformly connected on the outer wall of the heat conduction layer 201, and one end of each support column 207, which is far away from the heat conduction layer 201, penetrates through the heating layer 202 and the heat insulation layer 203 and then is fixedly connected with the protection layer 204.
Further, the heat conductive layer 201 is a ceramic heat conductive layer.
Further, the heating element 205 is a resistive strip.
Further, the protective layer 204 is a steel sheet layer.
Further, the outer side of the kiln main body 2 is fixedly sleeved with a rolling ring 4, a supporting wheel 5 is rotatably mounted on the base 1 at a position corresponding to the rolling ring 4, and the rolling ring 4 is rotatably supported on the supporting wheel 5.
Furthermore, the outer side of the kiln main body 2 is fixedly sleeved with a driven gear 6, the upper end of the base 1 is fixedly provided with a driving motor, an output shaft of the driving motor is connected with a driving gear through a coupler, and the driving gear is meshed with the driven gear 6 in a tooth joint mode.
Further, a feeding assembly is installed at the feeding end of the kiln main body 2, the feeding assembly comprises a hopper 701, a spiral feeding cylinder 702 and a feeding bin 703 which are connected in sequence, the feeding bin 703 is hermetically connected with the end of the kiln main body 2, and one end of the spiral feeding cylinder 702 penetrates through the feeding bin 703 and is communicated with the inner cavity of the kiln main body 2.
Further, the discharge end an organic whole of kiln main part 2 is connected with cooling section of thick bamboo 8, and the one end that kiln main part 2 was kept away from to cooling section of thick bamboo 8 is connected with ejection of compact subassembly, and ejection of compact subassembly is including ejection of compact storehouse 901 and the spiral ejection of compact section of thick bamboo 902 that connect gradually, ejection of compact storehouse 901 and cooling section of thick bamboo 8 sealing connection.
The working principle is as follows: during the use, the material is put in by hopper 701 and is got into spiral feed cylinder 702, in being carried to the inner chamber of kiln main part 2 afterwards, driving motor drives kiln main part 2 through driven gear 6 and rotates, heating element 205 produces the heat after the circular telegram, thermal insulation layer 203 has effectively reduced calorific loss, the direct heat transfer heats to the material of heat-conducting layer 201 in to the inner chamber, the material keeps off the material and incessantly stirs under protruding 206 stirs of material, guarantee the calcination evenly, the material after the sintering gets into and cools off in cooling section of thick bamboo 8, carry out by spiral play feed cylinder 902 at last.
In conclusion, the device has compact structure, effectively reduces heat loss, has high heating efficiency, ensures uniform roasting and improves the stability of material performance. Therefore, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A rotary kiln for roasting lithium batteries is characterized by comprising a base (1) and a kiln main body (2), the kiln main body (2) is rotatably supported on the base (1), the outer side of the kiln main body (2) is sleeved with the conductive slip ring (3), the kiln main body (2) comprises a heat conduction layer (201), a heating layer (202), a heat insulation layer (203) and a protective layer (204) which are coaxially arranged from inside to outside in sequence, a plurality of axially arranged heating elements (205) are uniformly arranged in the heating layer (202), a plurality of material blocking bulges (206) which are axially arranged are uniformly arranged on the inner wall of the heat conducting layer (201), a plurality of supporting columns (207) are uniformly connected to the outer wall of the heat conducting layer (201), one end of the supporting column (207), which is far away from the heat conduction layer (201), penetrates through the heating layer (202) and the heat insulation layer (203) and then is fixedly connected with the protective layer (204).
2. The rotary kiln for lithium battery roasting of claim 1, wherein: the heat conduction layer (201) is a ceramic heat conduction layer.
3. The rotary kiln for lithium battery roasting of claim 1, wherein: the heating element (205) is a resistive strip.
4. The rotary kiln for lithium battery roasting of claim 1, wherein: the protective layer (204) is a steel plate layer.
5. The rotary kiln for lithium battery roasting of claim 1, wherein: the outer side of the kiln body (2) is fixedly sleeved with a rolling ring (4), a supporting roller (5) is rotatably installed on the base (1) in a position corresponding to the rolling ring (4), and the rolling ring (4) is rotatably supported on the supporting roller (5).
6. The rotary kiln for lithium battery roasting of claim 1, wherein: the fixed cover in the outside of kiln main part (2) has been connect driven gear (6), the upper end fixed mounting of base (1) has driving motor, driving motor's output shaft passes through the shaft coupling and is connected with the driving gear, the driving gear meshes the toothing with driven gear (6).
7. The rotary kiln for lithium battery roasting of claim 1, wherein: the feeding assembly is installed at the feeding end of the kiln main body (2), the feeding assembly comprises a hopper (701), a spiral feeding cylinder (702) and a feeding bin (703) which are connected in sequence, the feeding bin (703) is connected with the end part of the kiln main body (2) in a sealing mode, and one end of the spiral feeding cylinder (702) penetrates through the feeding bin (703) and is communicated with the inner cavity of the kiln main body (2).
8. The rotary kiln for lithium battery roasting of claim 1, wherein: the kiln comprises a kiln body (2) and is characterized in that a cooling cylinder (8) is integrally connected to the discharge end of the kiln body (2), one end, far away from the kiln body (2), of the cooling cylinder (8) is connected with a discharge assembly, the discharge assembly comprises a discharge bin (901) and a spiral discharge bin (902) which are sequentially connected, and the discharge bin (901) is in sealing connection with the cooling cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011165529.0A CN114018042A (en) | 2020-10-27 | 2020-10-27 | Lithium battery roasting rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011165529.0A CN114018042A (en) | 2020-10-27 | 2020-10-27 | Lithium battery roasting rotary kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114018042A true CN114018042A (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011165529.0A Pending CN114018042A (en) | 2020-10-27 | 2020-10-27 | Lithium battery roasting rotary kiln |
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| Country | Link |
|---|---|
| CN (1) | CN114018042A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117387362A (en) * | 2023-12-11 | 2024-01-12 | 江苏瑞材装备有限公司 | Lithium electric material calcining equipment |
-
2020
- 2020-10-27 CN CN202011165529.0A patent/CN114018042A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117387362A (en) * | 2023-12-11 | 2024-01-12 | 江苏瑞材装备有限公司 | Lithium electric material calcining equipment |
| CN117387362B (en) * | 2023-12-11 | 2024-02-23 | 江苏瑞材装备有限公司 | Lithium electric material calcining equipment |
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