CN220454228U - Roasting furnace applied to preparation of new energy anode material lithium iron phosphate - Google Patents
Roasting furnace applied to preparation of new energy anode material lithium iron phosphate Download PDFInfo
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- CN220454228U CN220454228U CN202321997294.0U CN202321997294U CN220454228U CN 220454228 U CN220454228 U CN 220454228U CN 202321997294 U CN202321997294 U CN 202321997294U CN 220454228 U CN220454228 U CN 220454228U
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- feeding
- cylinder body
- iron phosphate
- lithium iron
- discharging
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- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title claims abstract description 38
- 239000010405 anode material Substances 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 238000001816 cooling Methods 0.000 claims abstract description 51
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 238000007599 discharging Methods 0.000 claims abstract description 42
- 238000005303 weighing Methods 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000035485 pulse pressure Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000001354 calcination Methods 0.000 claims description 6
- 239000013307 optical fiber Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 41
- 238000011144 upstream manufacturing Methods 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 10
- 238000012856 packing Methods 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 239000000945 filler Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000005265 energy consumption Methods 0.000 description 5
- 239000011295 pitch Substances 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
- 238000012797 qualification Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000010406 cathode material Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- 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
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- Furnace Charging Or Discharging (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a roasting furnace applied to preparation of new energy anode material lithium iron phosphate, wherein a weighing and feeding system is provided with a feeding sealing unit, the weighing and feeding system is arranged at the front end of a cylinder body through a feeding slewing bearing, a discharging system is provided with a discharging sealing unit, the discharging system is arranged at the rear end of the cylinder body through a discharging slewing bearing, a heating hearth, a high-temperature hearth and a water cooling unit are sequentially arranged side by side, the cylinder body is arranged in the heating hearth, the high-temperature hearth and the water cooling unit, a transmission system is arranged on a fixed supporting system, the cylinder body is arranged above the supporting system and the fixed supporting system, and a pulse pressure control system is arranged on the discharging system. The utility model is suitable for preparing the new energy anode material lithium iron phosphate, the material demand is large, the output of a single device is required to reach the standard, and the higher the upstream material cost is, the higher the product percent of pass is, so the roasting furnace specially applied to preparing the new energy anode material lithium iron phosphate can fill the blank in the aspect.
Description
Technical Field
The utility model discloses a roasting furnace, in particular to a roasting furnace applied to preparation of new energy anode material lithium iron phosphate, and belongs to the technical field of roasting furnaces.
Background
As fossil energy is nonrenewable and social production and life demands for energy are increasing, the energy, resources and environment face more serious challenges. At present, under the dual pressure of fossil energy crisis and environmental pollution, the lithium battery is used as an energy storage material, clean energy can be converted into electric energy through the generator, and the electric energy can be recycled for storage and utilization, so that the energy crisis and the environmental pollution can be effectively relieved, and the peak of carbon in China and the neutralization of carbon are promoted.
Lithium iron phosphate as a positive electrode material has good advantages in the aspects of long service life, low cost, rapid charging, high safety and the like, and has taken up the main stream of energy storage batteries and power batteries, and the market share is over 90 percent. The roasting furnace is an important device for preparing the new energy source cathode material lithium iron phosphate, and has strict requirements on roasting temperature, roasting time, oxygen content and the like in the preparation process of the cathode material lithium iron phosphate. Therefore, in order to meet the market requirements, it is necessary to develop a roasting furnace which is applied to the preparation of new energy materials lithium iron phosphate, has the advantages of large treatment capacity, low energy consumption, low maintenance cost and high qualification rate of material finished products.
Disclosure of Invention
Aiming at the defect that the treatment capacity, the roasting temperature and the roasting time of the new energy material lithium iron phosphate roasting furnace in the prior art cannot meet the requirements, the utility model provides the roasting furnace applied to the preparation of the new energy positive electrode material lithium iron phosphate, which has the advantages of high treatment capacity, capability of ensuring the control requirement on the roasting temperature and the roasting time of materials through the gradient temperature control of a heating system and the internal spiral structure of equipment under the condition of not influencing the treatment capacity, uniform reaction and reaching the oxygen content and the micro-positive pressure index, thereby improving the productivity and the qualification rate of the lithium iron phosphate.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a be applied to roasting furnace that new forms of energy anodal material lithium iron phosphate prepared, roasting furnace is including weighing feeding system, feeding sealing unit, feeding swivel bearing, braced system, intensification furnace, the barrel, high temperature furnace, fixed braced system, transmission system, the water-cooling unit, ejection of compact swivel bearing, ejection of compact sealing unit, ejection of compact system and pulse accuse pressure system, be provided with feeding sealing unit on the feeding system of weighing, the feeding system of weighing is installed at the barrel front end through feeding swivel bearing, be provided with ejection of compact sealing unit on the ejection of compact system, ejection of compact system is installed at the barrel rear end through ejection of compact swivel bearing, intensification furnace, high temperature furnace and water-cooling unit set gradually side by side, the barrel sets up in intensification furnace, high temperature furnace and water-cooling unit are inside, transmission system installs on fixed braced system, the barrel is installed in braced system and fixed braced system top, pulse accuse pressure system installs on ejection of compact system.
The technical scheme adopted by the utility model for solving the technical problems further comprises the following steps:
the weighing and feeding system comprises a pressure sensor, a comparison type optical fiber and a screw feeder, wherein the screw feeder is arranged inside the weighing and feeding system, the pressure sensor is arranged at the bottom of the inner side of the weighing and feeding system, and the comparison type optical fiber is arranged at the upper part of the inner side of the weighing and feeding system.
The feeding and discharging sealing unit is connected with the cylinder body through a feeding rotary bearing, and an air inlet hole is formed in the feeding sealing unit.
The feeding sealing unit is provided with an oil filling hole.
The inside of the cylinder body is fixedly provided with spiral blades, the spiral blades are independently arranged in a one-to-one split mode, and the spiral blades are spirally distributed and welded on the inner wall of the cylinder body.
And a shoveling plate is arranged between the adjacent blades, and the cross section of the shoveling plate is L-shaped or arc-shaped.
The support system comprises a first support system, a second support system and a third support system, wherein the first support system is arranged at the front end of the heating furnace, the second support system is arranged at the front end of the high-temperature furnace, and the third support system is arranged at the rear end of the water cooling unit.
The cylinder body include calcination cylinder body and cooling cylinder body, calcination cylinder body corresponds to intensification furnace and high temperature furnace setting, calcination cylinder body setting is inside intensification furnace and high temperature furnace, the cooling cylinder body corresponds to the water-cooling unit setting, the cooling cylinder body sets up inside the water-cooling unit.
The tail part of the roasting furnace is provided with a pulse pressure control system.
The discharging sealing unit is connected with the cooling cylinder body through a discharging slewing bearing.
The beneficial effects of the utility model are as follows: (1) The roasting furnace applied to the preparation of the new energy anode material lithium iron phosphate can carry out continuous production, and compared with the existing intermittent production technology, the roasting furnace has fewer required equipment components, so that the maintenance cost is lower; the continuously produced roasting furnace heating device does not need repeated start and stop, the intelligent gradient temperature rise of the heating temperature control system is realized, the required energy consumption is low, and the problems of high energy consumption and low product qualification rate in the prior art are solved; even the utility usage including the nitrogen consumption for sealing is reduced by a multiple. (2) According to the weighing and feeding system, materials are uniformly fed into the furnace through the weighing sensing and the height limiting indication of the material level and matched with the screw feeder, the error precision is controlled within 1%, the reaction roasting of lithium iron phosphate has high requirements on the uniformity, and the stability and accuracy of the feeding quantity are key factors of the uniformity. (3) According to the utility model, the roasting cylinder body and the cooling cylinder body are installed without inclination, and a full spiral blade and shoveling plate staggered structure is adopted inside the roasting cylinder body and the cooling cylinder body. The arrangement of the double-ended helical blades varies with the different process stages of the material. The helical blade adopts annular split welding, so that the space requirement of internal thermal expansion is met. The spiral shoveling plates are uniformly arranged in annular gaps among the blades, materials are turned over in the feeding process, and the materials are reacted and roasted more fully and uniformly by being matched with stable feeding of the spiral blades. (4) The internal structure of the feeding and discharging sealing unit mainly adopts special-shaped packing and square packing, and a cooling cavity is arranged at the outer side of the packing to cool the internal packing and prevent the packing from being damaged due to overhigh friction temperature with a cylinder; the double-air hole rings are arranged between the fillers, and the reverse blowing nitrogen is introduced to change the shape of the special-shaped fillers, so that an air seal is formed, the internal and external environments of the furnace are isolated, and the indexes of stable pressure and oxygen content are ensured. (5) The utility model is suitable for preparing the new energy anode material lithium iron phosphate, the material demand is large, the output of a single device is required to reach the standard, and the higher the upstream material cost is, the higher the product percent of pass is, and the roasting furnace specially applied to preparing the new energy anode material lithium iron phosphate can just fill the blank in the aspect.
The utility model will be further described with reference to the drawings and detailed description.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the figure, 1-a weigh feed system; 2-a feed seal unit; 3-feeding slewing bearings; 4-a first support system; 5-heating the hearth; 6-roasting the cylinder; 7-a second support system; 8-a high-temperature hearth; 9-a fixed support system; 10-a transmission system; 11-cooling a cylinder; 12-a water cooling unit; 13-a third support system; 14-discharging a slewing bearing; 15-a discharging sealing unit; 16-a discharging system; 17-pulse pressure control system.
Detailed Description
This example is a preferred embodiment of the present utility model, and other principles and basic structures are the same as or similar to those of this example, and all fall within the scope of the present utility model.
The utility model aims to provide a roasting furnace for preparing lithium iron phosphate serving as a new energy anode material, so as to solve the technical problem of the lithium iron phosphate in the existing market in the new energy material industry and enable the production of the lithium iron phosphate to meet the requirements of related enterprises.
Referring to fig. 1, the roasting furnace for preparing new energy anode material lithium iron phosphate, which is disclosed by the utility model, mainly comprises a weighing and feeding system 1, a feeding sealing unit 2, a feeding slewing bearing 3, a supporting system, a heating hearth 5, a cylinder, a high-temperature hearth 8, a fixed supporting system 9, a transmission system 10, a water cooling unit 12, a discharging slewing bearing 14, a discharging sealing unit 15, a discharging system 16 and a pulse pressure control system 17, wherein the feeding sealing unit 2 is arranged on the weighing and feeding system 1, the weighing and feeding system 1 is arranged at the front end of the cylinder through the feeding slewing bearing 3, the discharging system 16 is provided with the discharging sealing unit 15, the discharging system 16 is arranged at the rear end of the cylinder through the discharging slewing bearing 14, the heating hearth 5, the high-temperature hearth 8 and the water cooling unit 12 are sequentially arranged side by side, the cylinder is arranged inside the heating hearth 5, the high-temperature hearth 8 and the water cooling unit 12, the transmission system 10 is arranged on the fixed supporting system 9, the cylinder is arranged above the supporting system and the fixed supporting system 9, and the pulse pressure control system 17 is arranged on the discharging system 16.
In this embodiment, the weighing and feeding system 1 includes pressure sensor, control formula optic fibre and screw feeder, the screw feeder sets up inside weighing and feeding system 1, pressure sensor sets up in weighing and feeding system 1 inboard bottom, control formula optic fibre sets up in weighing and feeding system 1 inboard upper portion, carry out weighing and sensing to the material through pressure sensor and the high and low spacing instruction to the material level through control formula optic fibre sensor, weighing and feeding system accessible automatic weighing accurate control advances the degree of consistency of stove material, cooperation screw feeder evenly sends the material to the stove in, the error precision control is within 1%.
In the embodiment, the feeding and discharging sealing unit 2 is connected with the cylinder body through the feeding slewing bearing 3, the feeding sealing unit 2 is provided with an air inlet hole, and back-blowing nitrogen can be added into the air inlet hole for sealing, so that the stability of the pressure in the furnace and the control of the oxygen content are realized. Because the surrounding working temperature can reach 200 ℃, the manufacturing materials of the feeding sealing unit 2 can be made of corresponding high-temperature resistant materials, and meanwhile, an annular cooling cavity is arranged at the outer side of the filler, circulating cooling water is introduced into the cooling cavity, the internal filler is cooled, and the filler is prevented from being damaged due to the fact that the friction temperature between the feeding sealing unit 2 and the cylinder is too high. In order to prevent overlarge friction force between the cylinder fillers, the feeding sealing unit 2 is also provided with an oil filling hole, lithium grease is injected into the feeding sealing unit 2 through the oil filling hole, the filler is lubricated by taking the lithium grease as a lubricant, and meanwhile, the lubricant can also play a certain sealing role.
In the embodiment, the blades in the spiral arrangement are fixedly arranged in the cylinder, the full spiral blade structure is adopted, the pitches in different reaction stages are different, and the reaction roasting time of the materials can be controlled through spiral feeding.
In this embodiment, the support system includes a first support system 4, a second support system 7 and a third support system 13, where the first support system 4 is disposed at the front end of the heating hearth 5, the second support system 7 is disposed at the front end of the high-temperature hearth 8, and the third support system 13 is disposed at the rear end of the water cooling unit 12.
In this embodiment, the cylinder includes a roasting cylinder 6 and a cooling cylinder 11, the roasting cylinder 6 is disposed corresponding to the temperature-raising hearth 5 and the high-temperature hearth 8, the roasting cylinder 6 is disposed inside the temperature-raising hearth 5 and the high-temperature hearth 8, the cooling cylinder 11 is disposed corresponding to the water cooling unit 12, and the cooling cylinder 11 is disposed inside the water cooling unit 12, in this embodiment, the roasting cylinder 6 and the cooling cylinder 11 are the same cylinder, and are defined as different cylinders according to different functional areas. Roasting cylinder 6 and cooling cylinder 11 do not have slope installation, in this embodiment, adopt full helical blade and shoveling plate staggered structure in roasting cylinder 6 and cooling cylinder 11 inside, helical blade is a slice and is split independent setting, is the welding of spiral arrangement on the cylinder inner wall, and the blade that the accessible spiral was arranged advances the material, and in this embodiment is provided with the shoveling plate between adjacent blade, and the shoveling plate transversal is "L" shape or arc, can take the material through the shoveling plate in the rotatory in-process of cylinder, makes it turn over and mix more evenly. In the embodiment, the arrangement of the spiral blades is changed along with different process stages of materials, and the pitch of the spiral blades is smaller in order to ensure the roasting reaction time of the spiral blades in the heating and high-temperature sections, and the spiral blades can be designed to be 500-700 mm, preferably 600mm, or can be specifically set according to actual needs; the cooling section can be designed to have a screw pitch of 700 mm-900 mm, preferably 800mm, or can be specifically set according to actual needs; the changeover portion between temperature rise and high temperature is for preventing that the material temperature from falling, adopts the big pitch to push the material to the next stage fast, can design the pitch generally and be 1100mm ~1300mm, preferably is 1200mm, also can specifically set for according to actual need, has set up detachable heat preservation in the changeover portion outside simultaneously. And 7, the spiral shoveling plates are uniformly arranged in annular gaps among the blades, materials are turned over in the feeding process, and the materials are reacted and baked more fully and uniformly by being matched with stable feeding of the spiral blades.
In this embodiment, the feeding sealing unit 2 and the discharging sealing unit 15 are respectively connected with the cylinder body through the slewing bearing, so that the coaxiality of the feeding and discharging system, the feeding and discharging sealing unit and the cylinder body can be ensured, and the installation precision and difficulty of the feeding and discharging sealing unit are reduced, so that the sealing effect cannot be influenced by installation errors.
The materials are uniformly fed into a roasting cylinder 6 by a weighing and feeding system 1, the intelligent heating system heats a heating hearth 5 and a high-temperature hearth 8 according to the temperature required by the process, the materials are roasted through a period of heating and constant-temperature reaction, enter a cooling cylinder 11, and are cooled by a water cooling unit 12.
In the embodiment, the pulse pressure control system 17 is arranged at the tail part of the roasting furnace, main nitrogen can be introduced into the cylinder through the pulse pressure control system 17 in the early stage of furnace opening, oxygen in the furnace is replaced by utilizing pressure build-up in the furnace until the oxygen content index meeting the production requirement is reached, and the replacement efficiency is high; in the production process, quantitative nitrogen can be introduced through the pulse pressure control system 17, so that the micro-positive pressure environment in the furnace is ensured, and meanwhile, the oxygen content in the furnace can be effectively controlled under the condition of ensuring the pressure, thereby meeting the reaction roasting working condition requirement of preparing the new energy anode material lithium iron phosphate.
When the utility model is used, materials are uniformly fed into the roasting cylinder 6 through the weighing and feeding system 1, and the feeding sealing unit 2 is connected with the roasting cylinder 6 through the feeding slewing bearing 3. The roasting cylinder 6 is internally provided with full spiral blades and shoveling plates (not shown in the figure), the materials are conveyed to the heating hearth 5 through the spiral blades after entering, subjected to gradient heating, then enter the high-temperature hearth 8, are subjected to constant-temperature heating reaction roasting at the stage, enter the cooling cylinder 11 after reaching the requirement, and are cooled to the temperature required by discharging through the water cooling unit 12. The discharging sealing unit 15 is also connected with the cooling cylinder 11 through the discharging slewing bearing 14, and finally the material is sent to the discharging system 16, so that the reaction roasting process for preparing the new energy anode material lithium iron phosphate is completed.
In the process of feeding to roasting reaction and discharging, the feeding sealing unit 2 and the discharging sealing unit 15 continuously feed back blowing nitrogen, cooling circulating water and lithium-based lubricating grease; the pulse pressure control system 17 is continuously fed with quantitative nitrogen to maintain the internal pressure and the oxygen content; the transmission system 10 drives the roasting furnace to stably operate according to the required rotation speed through a motor speed reducer.
(1) The roasting furnace applied to the preparation of the new energy anode material lithium iron phosphate can carry out continuous production, and compared with the existing intermittent production technology, the roasting furnace has fewer required equipment components, so that the maintenance cost is lower; the continuously produced roasting furnace heating device does not need repeated start and stop, the intelligent gradient temperature rise of the heating temperature control system is realized, the required energy consumption is low, and the problems of high energy consumption and low product qualification rate in the prior art are solved; even the utility usage including the nitrogen consumption for sealing is reduced by a multiple.
(2) According to the weighing and feeding system, materials are uniformly fed into the furnace through the weighing sensing and the height limiting indication of the material level and matched with the screw feeder, the error precision is controlled within 1%, the reaction roasting of lithium iron phosphate has high requirements on the uniformity, and the stability and accuracy of the feeding quantity are key factors of the uniformity.
(3) According to the utility model, the roasting cylinder body and the cooling cylinder body are installed without inclination, and a full spiral blade and shoveling plate staggered structure is adopted inside the roasting cylinder body and the cooling cylinder body. The arrangement of the double-ended helical blades varies with the different process stages of the material. The helical blade adopts annular split welding, so that the space requirement of internal thermal expansion is met. The spiral shoveling plates are uniformly arranged in annular gaps among the blades, materials are turned over in the feeding process, and the materials are reacted and roasted more fully and uniformly by being matched with stable feeding of the spiral blades.
(4) The internal structure of the feeding and discharging sealing unit mainly adopts special-shaped packing and square packing, and a cooling cavity is arranged at the outer side of the packing to cool the internal packing and prevent the packing from being damaged due to overhigh friction temperature with a cylinder; the double-air hole rings are arranged between the fillers, and the reverse blowing nitrogen is introduced to change the shape of the special-shaped fillers, so that an air seal is formed, the internal and external environments of the furnace are isolated, and the indexes of stable pressure and oxygen content are ensured.
(5) The utility model is suitable for preparing the new energy anode material lithium iron phosphate, the material demand is large, the output of a single device is required to reach the standard, and the higher the upstream material cost is, the higher the product percent of pass is, and the roasting furnace specially applied to preparing the new energy anode material lithium iron phosphate can just fill the blank in the aspect.
Claims (10)
1. A roasting furnace for preparing new energy anode material lithium iron phosphate is characterized in that: the roasting furnace comprises a weighing and feeding system (1), a feeding sealing unit (2), a feeding slewing bearing (3), a supporting system, a heating furnace chamber (5), a cylinder body, a high-temperature furnace chamber (8), a fixed supporting system (9), a transmission system (10), a water cooling unit (12), a discharging slewing bearing (14), a discharging sealing unit (15), a discharging system (16) and a pulse pressure control system (17), wherein the weighing and feeding system (1) is provided with the feeding sealing unit (2), the weighing and feeding system (1) is installed at the front end of the cylinder body through the feeding slewing bearing (3), the discharging system (16) is provided with the discharging sealing unit (15), the discharging system (16) is installed at the rear end of the cylinder body through the discharging slewing bearing (14), the heating furnace chamber (5), the high-temperature furnace chamber (8) and the water cooling unit (12) are sequentially arranged side by side, the cylinder body is arranged inside the heating furnace chamber (5), the high-temperature furnace chamber (8) and the water cooling unit (12), the transmission system (10) is installed on the fixed supporting system (9), the pulse pressure control system (17) is installed above the supporting system and the fixed supporting system (9), and the pulse pressure control system (17) is installed on the discharging system (16).
2. The roasting furnace for preparing new energy anode material lithium iron phosphate according to claim 1, which is characterized in that: the weighing and feeding system (1) comprises a pressure sensor, a comparison type optical fiber and a screw feeder, wherein the screw feeder is arranged inside the weighing and feeding system (1), the pressure sensor is arranged at the bottom of the inner side of the weighing and feeding system (1), and the comparison type optical fiber is arranged at the upper part of the inner side of the weighing and feeding system (1).
3. The roasting furnace for preparing new energy anode material lithium iron phosphate according to claim 1, which is characterized in that: the feeding sealing unit (2) is connected with the cylinder body through a feeding slewing bearing (3), and an air inlet hole is formed in the feeding sealing unit (2).
4. The roasting furnace for preparing new energy anode material lithium iron phosphate according to claim 1, which is characterized in that: the feeding sealing unit (2) is provided with an oil filling hole.
5. The roasting furnace for preparing new energy anode material lithium iron phosphate according to claim 1, which is characterized in that: the inside of the cylinder body is fixedly provided with spiral blades, the spiral blades are independently arranged in a one-to-one split mode, and the spiral blades are spirally distributed and welded on the inner wall of the cylinder body.
6. The roasting furnace for preparing new energy anode material lithium iron phosphate according to claim 5, which is characterized in that: a shoveling plate is arranged between the adjacent blades, and the cross section of the shoveling plate is L-shaped or arc-shaped.
7. The roasting furnace for preparing new energy anode material lithium iron phosphate according to claim 1, which is characterized in that: the support system comprises a first support system (4), a second support system (7) and a third support system (13), wherein the first support system (4) is arranged at the front end of the heating furnace chamber (5), the second support system (7) is arranged at the front end of the high-temperature furnace chamber (8), and the third support system (13) is arranged at the rear end of the water cooling unit (12).
8. The roasting furnace for preparing new energy anode material lithium iron phosphate according to claim 1, which is characterized in that: the cylinder body include calcination cylinder body (6) and cooling cylinder body (11), calcination cylinder body (6) set up corresponding to intensification furnace (5) and high temperature furnace (8), calcination cylinder body (6) set up inside intensification furnace (5) and high temperature furnace (8), cooling cylinder body (11) set up corresponding to water-cooling unit (12), cooling cylinder body (11) set up inside water-cooling unit (12).
9. The roasting furnace for preparing new energy anode material lithium iron phosphate according to claim 1, which is characterized in that: the tail part of the roasting furnace is provided with a pulse pressure control system (17).
10. The roasting furnace for preparing new energy anode material lithium iron phosphate according to claim 1, which is characterized in that: the discharging sealing unit (15) is connected with the cooling cylinder (11) through a discharging slewing bearing (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321997294.0U CN220454228U (en) | 2023-07-27 | 2023-07-27 | Roasting furnace applied to preparation of new energy anode material lithium iron phosphate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321997294.0U CN220454228U (en) | 2023-07-27 | 2023-07-27 | Roasting furnace applied to preparation of new energy anode material lithium iron phosphate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220454228U true CN220454228U (en) | 2024-02-06 |
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ID=89739714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321997294.0U Active CN220454228U (en) | 2023-07-27 | 2023-07-27 | Roasting furnace applied to preparation of new energy anode material lithium iron phosphate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220454228U (en) |
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2023
- 2023-07-27 CN CN202321997294.0U patent/CN220454228U/en active Active
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