CN116465192A - Equipment for sintering lithium battery material - Google Patents
Equipment for sintering lithium battery material Download PDFInfo
- Publication number
- CN116465192A CN116465192A CN202210610721.9A CN202210610721A CN116465192A CN 116465192 A CN116465192 A CN 116465192A CN 202210610721 A CN202210610721 A CN 202210610721A CN 116465192 A CN116465192 A CN 116465192A
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- China
- Prior art keywords
- rotary kiln
- lithium battery
- kiln
- sintering
- battery material
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- 239000000463 material Substances 0.000 title claims abstract description 56
- 238000005245 sintering Methods 0.000 title claims abstract description 39
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims description 36
- 238000007599 discharging Methods 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000007921 spray Substances 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 14
- 238000002485 combustion reaction Methods 0.000 claims description 11
- 239000007789 gas Substances 0.000 description 32
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000006467 substitution reaction Methods 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000009770 conventional sintering Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004224 protection Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
- F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
- F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
- F27B9/2407—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace)
- F27B9/2415—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor the conveyor being constituted by rollers (roller hearth furnace) the charge rotating about an axis transversal to the axis of advancement of the charge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- 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
- F27B7/02—Rotary-drum furnaces, i.e. horizontal or slightly inclined of multiple-chamber or multiple-drum type
-
- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
- F27D15/0206—Cooling with means to convey the charge
- F27D15/028—Cooling with means to convey the charge comprising a rotary drum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention discloses equipment for sintering lithium battery materials, which comprises the following components: roller kiln, and with the rotary kiln that the discharge gate of kun dao kiln passes through material conveyor and connects, its characterized in that, rotary kiln includes: the device comprises a first rotary kiln and a second rotary kiln connected with a discharge hole of the first rotary kiln, wherein the first rotary kiln is connected with a tail gas treatment device, and a cooling device is arranged on the second rotary kiln. The material after being burned in the roller kiln is conveyed into the first rotary kiln through the material conveying device for continuous secondary sintering, and the first rotary kiln is responsible for heating up and sintering the material because of the large heat conduction function of the rotary kiln, and the second rotary kiln is responsible for cooling the material, so that the yield of finished products of the material is greatly improved; meanwhile, as the productivity of the rotary kiln is larger, two or more roller kilns can be adopted to be provided with a set of design proportion of the rotary kiln, so that the rotary kiln can exert larger productivity.
Description
Technical Field
The invention relates to the technical field of sintering equipment, in particular to equipment for sintering lithium battery materials.
Background
In the conventional sintering process, the material (including positive and negative electrodes) of the lithium battery is calcined by adopting a roller kiln. The equipment has the advantages of realizing continuous production and having considerable productivity. The disadvantage is that the plant takes up a large amount of space. At present, the length of a roller hearth furnace in the lithium battery industry is about 60 meters, and the width is about 5 meters; the operation cost is high, and the problems of roller rod corrosion, sagger loss, automatic weighing, metering, loading and unloading station links exist; meanwhile, due to the design factors of the performance of heat-insulating materials and the congenital structure of the kiln, the use of the roller kiln is high in labor cost, and the average number of staff in a production line of the roller kiln is 9.
The existing sintering process of the ternary material of the lithium battery is to sinter twice by using a roller kiln, and the application is an innovation of the technical improvement of the secondary sintering process of the ternary material of the lithium battery. A primary sintering process of the ternary material of the lithium battery, wherein the primary sintering process is carried out by continuously keeping a roller kiln for sintering, and the roller kiln is used for carrying out primary sintering, degassing sintering or pre-sintering; the temperature of conventional use is below 1300 ℃. The second sintering period is generally faster than the first sintering period, and the second sintering process adopts a rotary process to fire, and the second sintering process and the rotary process are effectively combined to complete and achieve the sintering process of the lithium battery material.
The foregoing is provided merely for the purpose of facilitating an understanding of the present invention and is not intended to constitute an admission that the entire contents of the foregoing are prior art.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide equipment for sintering lithium battery materials, which has high productivity and lower labor cost.
In order to achieve the above purpose, the invention adopts the following technical scheme.
An apparatus for sintering lithium battery material, comprising: roller kiln, and with the rotary kiln that the discharge gate of kun dao kiln passes through material conveyor and connects, its characterized in that, the rotary kiln includes: the rotary kiln comprises a first rotary kiln and a second rotary kiln connected with a discharge port of the first rotary kiln, wherein the first rotary kiln comprises: the device comprises a heating box body, a first cylinder body rotationally arranged in the heating box body, a first feeding mechanism connected with a feeding end of the first cylinder body, and a first discharging mechanism connected with a discharging end of the first cylinder body; the second rotary kiln includes: the device comprises a first barrel, a first feeding mechanism, a first discharging mechanism, a first bearing, a first driving device, a first bearing, a first tail gas treatment device, a first barrel, a second barrel, a first bearing, a first discharging mechanism, a second bearing, a first tail gas treatment device, a second bearing, a second discharging mechanism, a second tail gas treatment device and a second tail gas treatment device.
As a further illustration of the above, the material conveying device is an air flow conveying device.
As a further explanation of the above aspect, the exhaust gas treatment device is an exhaust gas incinerator, the exhaust gas incinerator includes: a plurality of combustion chambers and exhaust chambers connected in sequence; the exhaust cavity is connected with a clean gas release port, and a spray gun and a combustion-supporting air port communicated with the outside are arranged in each combustion cavity.
As a further illustration of the above, air screen wall spacing is employed between the combustion chambers and between the combustion chamber and the exhaust chamber.
As a further explanation of the above, the cooling device includes: a spray pipe arranged above the second cylinder and a water collecting tank arranged below the second cylinder; the spray pipe is downwards provided with a group of spray heads, and the water collecting tank is provided with a water outlet for connecting a water outlet pipe.
As a further explanation of the above aspect, the shower pipe is disposed directly above the second cylinder, and the shower pipe is disposed parallel to the axis of the second cylinder.
As a further explanation of the above scheme, the first rotary kiln and the second rotary kiln are respectively arranged on the upper layer and the lower layer of a storage bracket.
As a further explanation of the above scheme, the discharging pipe of the first discharging mechanism passes through the upper layer bearing plate of the object placing bracket and is connected with the second feeding mechanism.
As a further explanation of the above scheme, stairs for reaching the upper layer of the storage rack and the top of the storage rack are provided at both ends of the storage rack.
The invention has the beneficial effects that.
1. The material after being burned in the roller kiln is conveyed into the first rotary kiln through the material conveying device for continuous secondary sintering, and the heat conduction function of the rotary kiln is large, so that the material is in complete contact with the furnace core tube (the roller kiln conducts heat through a sagger), the first rotary kiln is responsible for heating up the sintered material, the second rotary kiln is responsible for cooling the material, and the yield of finished products of the material is greatly improved; meanwhile, as the productivity of the rotary kiln is larger, two or more roller kilns can be adopted to be provided with a set of design proportion of the rotary kiln, so that the rotary kiln can exert larger productivity.
2. The first rotary kiln and the second rotary kiln are arranged on the upper layer and the lower layer of a storage bracket, so that the occupied area of equipment is reduced, and the material conveying distance is shortened; meanwhile, the materials of the first rotary kiln can be conveyed to the second rotary kiln through gravity, a power mechanism is not required to be arranged for conveying, and cost is reduced.
Drawings
Fig. 1 is a diagram showing a structure of a rotary kiln of the equipment for sintering lithium battery materials.
Fig. 2 is a diagram showing a roller kiln structure of the lithium battery material sintering equipment.
Reference numerals illustrate.
1: first rotary kiln, 2: first feed mechanism, 3: first discharge mechanism, 4: tail gas pipe, 5: tail gas incinerator, 6: spray gun, 7: air separation sieve wall, 8: clean gas release port, 9: alumina ceramic tube, 10: tail gas incinerator support, 11: feeding pipe, 12: driven wheel, 13: rolling circle, 14: second rotary kiln, 15: storage rack, 16: water outlet, 17: water inlet, 18: second feed mechanism, 19: second discharge mechanism, 20: stairs, 21: small stairs, 22: inlet substitution chamber, 23: inlet transition section, 24: heating section, 25: oxygen content analyzer, 26: constant temperature section, 27: cooling section, 28: outlet transition, 29: outlet substitution chamber, 30: the hearth is clean and reserved.
1-1: constant temperature zone, 1-2: heating area, 1-3: a preheating zone.
Detailed Description
In the description of the present invention, it should be noted that, for the azimuth words such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, and it is not to be construed as limiting the specific scope of protection of the present invention that the device or element referred to must have a specific azimuth configuration and operation.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such features, and in the description of the invention, "at least" means one or more, unless clearly specifically defined otherwise.
In the present invention, unless explicitly stated and limited otherwise, the terms "assembled," "connected," and "connected" are to be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; can be directly connected or connected through an intermediate medium, and can be communicated with the inside of the two 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 the specific circumstances.
In the present invention, unless specified and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "below," and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply representing the first feature as having a higher level than the second feature. The first feature being "above," "below," and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or simply indicating that the first feature is level below the second feature.
The following description of the specific embodiments of the present invention is further provided with reference to the accompanying drawings, so that the technical scheme and the beneficial effects of the present invention are more clear and definite. The embodiments described below are exemplary by referring to the drawings for the purpose of illustrating the invention and are not to be construed as limiting the invention.
As shown in fig. 1, an apparatus for sintering a lithium battery material includes: roller kiln, and with the rotary kiln that the discharge gate of kun dao kiln passes through material conveyor and connects, its characterized in that, the rotary kiln includes: the rotary kiln comprises a first rotary kiln 1 and a second rotary kiln 14 connected with a discharge port of the first rotary kiln, wherein the first rotary kiln 1 comprises: the device comprises a heating box body, a first cylinder body rotationally arranged in the heating box body, a first feeding mechanism 2 connected with a feeding end of the first cylinder body, and a first discharging mechanism 3 connected with a discharging end of the first cylinder body; the second rotary kiln 14 includes: the second cylinder, with the second feed mechanism 18 that the feed end of second cylinder is connected, and the second discharge mechanism 19 that the discharge end of second cylinder is connected, first feed mechanism 2 first discharge mechanism 3 with first cylinder passes through first bearing connection, second feed mechanism 18 second discharge mechanism 19 with the second cylinder passes through the second bearing connection be connected with tail gas processing apparatus on the first cylinder be equipped with cooling device on the second cylinder, first cylinder with the second cylinder is all rotated by corresponding drive arrangement drive. In practical use, the roller kiln is used for carrying out primary sintering, the materials (containing positive and negative electrodes) after primary sintering are conveyed into the first rotary kiln through the material conveying device for continuous secondary sintering, the furnace core tube and the materials are in full contact (the roller kiln carries out heat conduction through the sagger) because of the large heat conduction function of the rotary kiln, the first rotary kiln is responsible for heating up the sintered materials, and the second rotary kiln is responsible for carrying out cooling treatment on the materials, so that the yield of finished products of the materials can be greatly improved; meanwhile, as the productivity of the rotary kiln is larger, two or more roller kilns can be adopted to be provided with a set of design proportion of the rotary kiln, so that the rotary kiln can exert larger productivity.
Specifically, the tail gas treatment device is a tail gas incinerator 5, and the tail gas incinerator 5 comprises: the furnace body is provided with a plurality of combustion chambers and exhaust chambers which are sequentially communicated in the furnace body, a spray gun 6 and a combustion-supporting air port communicated with the outside are arranged in each combustion chamber, and a clean gas release port 8 is connected to the exhaust chambers. The tail gas incinerator 5 is communicated with the first rotary kiln 1 through a tail gas pipe 4, and the tail gas pipe 4 is an alumina ceramic pipe; an alumina ceramic tube 9 is arranged between the exhaust chamber and the clean gas release port 8. And air separation walls 7 are adopted between the combustion chambers and the exhaust chambers. During the chemical and crystallization reaction of the materials in the cylinder, residual gas containing asphalt and tar components is generated, and the residual gas is burnt by a tail gas incinerator, so that tail gas pollution is reduced.
The cooling device includes: the spray pipe is arranged above the second cylinder body, a plurality of spray heads are downwards arranged on the spray pipe, and a water collecting tank is arranged below the second cylinder body; the water collecting tank is provided with a water outlet 16 for connecting a water outlet pipe. The spray heads are arranged on the spray pipes at intervals, a water inlet 17 for connecting a water inlet pipe is formed in one end of each spray pipe, and a plug is arranged at the other end of each spray pipe. The spray pipe is located right above the second cylinder body, and the spray pipe is parallel to the axis of the second cylinder body, so that the second cylinder body can receive water uniformly. And the water in the water collecting tank can be reused, so that the water is saved.
In this embodiment, in order to reduce the floor space of the apparatus and shorten the material conveying distance, the first rotary kiln 1 and the second rotary kiln 14 are respectively disposed on an upper layer and a lower layer of a placement frame 15. The tail gas treatment device is arranged at the top of the object placing bracket 15, and a tail gas incinerator bracket 10 is arranged at the bottom of the tail gas treatment device. Stairs 20 reaching the upper layer of the storage rack and reaching the top of the storage rack are arranged at two ends of the storage rack 15. A small stair 21 is arranged on the lower layer of the object placing bracket 15.
The first discharging mechanism 3 comprises: and the discharging pipe is connected with the discharging end of the first cylinder body and is arranged on the discharging pipe. The discharging pipe of the first discharging mechanism 3 passes through the upper layer bearing plate of the object placing bracket 15 to be connected with the second feeding mechanism 18, and the tail gas pipe 4 passes through the top of the object placing bracket 15 to be connected with the tail gas treatment device. The first rotary kiln and the second rotary kiln are placed in the way that materials can be conveyed by gravity, a power conveying device is not required, and cost is reduced.
The second discharging mechanism 19 includes: the second discharging pipeline is connected with the discharging end of the second cylinder body, and the second discharging pipe is arranged on the second discharging pipeline. A vessel for receiving the sintered material is arranged below the second discharging pipe, and the vessel can be of a manual type or a full-automatic type.
In this embodiment, the material conveying device is an air flow conveying device. The material after being first burned by adopting the roller kiln is conveyed by a pipeline of the airflow conveying device and is directly connected into the rotary kiln for continuous secondary sintering. The air flow conveying device has the advantages that inert gas is input into the rotary kiln through the air flow conveying device, and the inert gas is not required to be input by an additional device.
In this embodiment, the first cylinder and the second cylinder are both provided with a plurality of rolling rings 13, and the first cylinder and the second cylinder are rotatably connected with a riding wheel (not shown in the figure) through the rolling rings 13.
Further, both the first feeding mechanism 2 and the second feeding mechanism 18 are screw feeders. A feed pipe 11 for connecting with the material conveying device is arranged on the first feed mechanism.
The transmission device comprises: a motor (not shown), a driving wheel connected with an output shaft of the motor, and driven wheels 12 arranged on the first cylinder and the second cylinder; the driving wheel and the driven wheel 12 are in meshed transmission or are in chain transmission.
The heating box body is provided with a plurality of thermocouples used for heating. The heating box body is divided into a preheating zone 1-3, a heating zone 1-2 and a constant temperature zone 1-1.
As shown in connection with fig. 2, the roller kiln comprises: the kiln comprises a kiln body, a roller way arranged in the kiln body is connected with an inlet replacement chamber 22 and an outlet replacement chamber 29, the roller way is connected with a driving device, the kiln body is divided into a heating zone 24, a constant temperature zone 26 and a cooling zone 27, the heating zone 24 is connected with the inlet replacement chamber 22, the cooling zone 27 is connected with the outlet replacement chamber 29, the constant temperature zone 26 is positioned between the heating zone 24 and the cooling zone 27, a heating device is arranged on the heating zone 24 and the constant temperature zone 26, and a cooling and cooling device is arranged on the cooling zone 27. Oxygen content analyzers 25 are provided in the temperature increasing region 24, the constant temperature region 26, and the temperature decreasing region 27. An inlet passage end 23 is provided between the inlet substitution chamber 22 and the warming zone 24, and an outlet passage end 28 is provided between the cooling zone 27 and the outlet substitution chamber 29. A kiln cleaning reserved port 30 is arranged on the kiln body. The inlet replacement chamber and the outlet replacement chamber have gas replacement function, so that the atmosphere in the kiln body is not contacted with the outside air when materials enter and exit the kiln body, and the concentration of protective process gas in the kiln body is effectively ensured. The inlet replacement chamber, the outlet replacement chamber, the driving device, the heating device and the cooling device described above are of existing structures, and the specific structures thereof are not described in detail herein.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, but is intended to cover modifications and alternatives falling within the spirit and scope of the invention as defined by the appended claims and their equivalents. The portions of the detailed description that are not presented are all prior art or common general knowledge.
Claims (9)
1. An apparatus for sintering lithium battery material, comprising: roller kiln, and with the rotary kiln that the discharge gate of kun dao kiln passes through material conveyor and connects, its characterized in that, the rotary kiln includes: the rotary kiln comprises a first rotary kiln and a second rotary kiln connected with a discharge port of the first rotary kiln, wherein the first rotary kiln comprises: the device comprises a heating box body, a first cylinder body rotationally arranged in the heating box body, a first feeding mechanism connected with a feeding end of the first cylinder body, and a first discharging mechanism connected with a discharging end of the first cylinder body; the second rotary kiln includes: the device comprises a first barrel, a first feeding mechanism, a first discharging mechanism, a first bearing, a first driving device, a first bearing, a first tail gas treatment device, a first barrel, a second barrel, a first bearing, a first discharging mechanism, a second bearing, a first tail gas treatment device, a second bearing, a second discharging mechanism, a second tail gas treatment device and a second tail gas treatment device.
2. The apparatus for sintering lithium battery material according to claim 1, wherein the material conveying device is an air flow conveying device.
3. The apparatus for sintering lithium battery material according to claim 1, wherein the exhaust gas treatment device is an exhaust gas incinerator, the exhaust gas incinerator comprising: a plurality of combustion chambers and exhaust chambers connected in sequence; the exhaust cavity is connected with a clean gas release port, and a spray gun and a combustion-supporting air port communicated with the outside are arranged in each combustion cavity.
4. A lithium battery material sintering apparatus according to claim 3, wherein air screen wall spaces are used between the combustion chambers and between the combustion chamber and the exhaust chamber.
5. The apparatus for sintering lithium battery material according to claim 1, wherein the cooling means comprises: a spray pipe arranged above the second cylinder and a water collecting tank arranged below the second cylinder; the spray pipe is downwards provided with a group of spray heads, and the water collecting tank is provided with a water outlet for connecting a water outlet pipe.
6. The apparatus for sintering lithium battery material according to claim 5, wherein the shower pipe is provided directly above the second cylinder, and the shower pipe is provided in parallel with an axis of the second cylinder.
7. The apparatus for sintering lithium battery material according to claim 1, wherein the first rotary kiln and the second rotary kiln are disposed on an upper layer and a lower layer of a storage bracket, respectively.
8. The apparatus for sintering lithium battery material according to claim 7, wherein the discharge pipe of the first discharge mechanism passes through the upper support plate of the storage bracket and is connected with the second feed mechanism.
9. The apparatus for sintering lithium battery material according to claim 7, wherein stairs for reaching an upper layer of the storage rack and a top of the storage rack are provided at both ends of the storage rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210610721.9A CN116465192A (en) | 2022-05-31 | 2022-05-31 | Equipment for sintering lithium battery material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210610721.9A CN116465192A (en) | 2022-05-31 | 2022-05-31 | Equipment for sintering lithium battery material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116465192A true CN116465192A (en) | 2023-07-21 |
Family
ID=87179439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210610721.9A Pending CN116465192A (en) | 2022-05-31 | 2022-05-31 | Equipment for sintering lithium battery material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116465192A (en) |
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2022
- 2022-05-31 CN CN202210610721.9A patent/CN116465192A/en active Pending
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