CN114993021A - Lithium fluoride microwave drying device and method - Google Patents
Lithium fluoride microwave drying device and method Download PDFInfo
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- CN114993021A CN114993021A CN202210718847.8A CN202210718847A CN114993021A CN 114993021 A CN114993021 A CN 114993021A CN 202210718847 A CN202210718847 A CN 202210718847A CN 114993021 A CN114993021 A CN 114993021A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/02—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts propelling the materials over stationary surfaces
- F26B17/04—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts propelling the materials over stationary surfaces the belts being all horizontal or slightly inclined
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
- F26B21/001—Air generating units, e.g. movable or independent of drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements for supplying or controlling air or other gases for drying solid materials or objects
- F26B21/20—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
- F26B21/25—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure partly outside the drying enclosure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
- F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
- F26B3/347—Electromagnetic heating, e.g. induction heating or heating using microwave energy
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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
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Abstract
本发明公开了一种氟化锂微波烘干装置及方法，包括护罩，护罩中部设有机架平台，机架平台上端设有微波低温干燥炉，机架平台下端设有微波高温干燥炉；微波低温干燥炉右侧设有第一进料机构，第一进料机构包括上料斗和第一布料机，微波低温干燥炉左侧设有中间衔接料斗，微波低温干燥炉连接有排湿系统；微波高温干燥炉右侧设有接料仓，微波高温干燥炉左侧设有第二进料机构，第二进料机构包括对辊破碎机和振动布料机。本发明整体结构设计紧凑，布局合理，占地面积小，约为传统烘干设备的1/2～1/3。由于采用先进的微波加热技术，同等产量下，本发明较传统的烘干装置节能30%左右且环保，而所花费的时间仅为传统的烘干装置1/3～1/5。
The invention discloses a lithium fluoride microwave drying device and method, comprising a shield, a frame platform is arranged in the middle of the shield, a microwave low-temperature drying furnace is arranged at the upper end of the frame platform, and a microwave high-temperature drying furnace is arranged at the lower end of the frame platform There is a first feeding mechanism on the right side of the microwave low-temperature drying furnace, and the first feeding mechanism includes an upper hopper and a first distributing machine. The left side of the microwave low-temperature drying furnace is provided with an intermediate connecting hopper, and the microwave low-temperature drying furnace is connected with a dehumidification system. The right side of the microwave high-temperature drying furnace is provided with a receiving bin, and the left side of the microwave high-temperature drying furnace is provided with a second feeding mechanism, which includes a roller crusher and a vibrating distributor. The overall structure of the invention is compact in design, reasonable in layout and small in floor space, which is about 1/2 to 1/3 of the traditional drying equipment. Due to the advanced microwave heating technology, the present invention saves about 30% of energy compared with the traditional drying device and is environmentally friendly under the same output, and the time spent is only 1/3-1/5 of the traditional drying device.
Description
Technical Field
The invention relates to the technical field of lithium fluoride drying devices, in particular to a lithium fluoride microwave drying device and method.
Background
Lithium fluoride is an important inorganic fluoride and is widely applied to the fields of glass, ceramics, communication optical fibers, lithium batteries and the like. Before processing, the requirement on the moisture content is strict, namely PPM level, and generally the requirement is below 100 PPM. Therefore, the lithium fluoride drying device is the key point for ensuring that the moisture content of the product is uniformly lower than 100ppm and preventing the product from agglomerating.
The traditional drying modes such as a rotary kiln, a dynamic drying furnace, a belt type drying kiln and the like have the defects of high energy consumption, low efficiency, large tail gas dust amount, large equipment floor area, nonuniform drying and dehydration, agglomeration, difficulty in ensuring the product quality and the like. Microwave is a highly efficient energy source known as "the second group of human flames". The microwave changes the random distribution state of the polar molecules in the material into ordered arrangement, and the continuous movement and the mutual friction generate heat, so that the inside and the outside of the material are synchronously heated, and the microwave heating device has the advantages of high microwave heating speed, uniform heating, energy conservation, high efficiency, cleanness and sanitation. I developed a new lithium fluoride drying device by combining the microwave technology.
Disclosure of Invention
In view of the above technical problems in the related art, the present invention provides a lithium fluoride microwave drying apparatus and method, which can solve the above problems.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
a lithium fluoride microwave drying device comprises a shield, wherein a rack platform is arranged in the middle of the shield, a microwave low-temperature drying oven is arranged at the upper end of the rack platform, and a microwave high-temperature drying oven is arranged at the lower end of the rack platform; the microwave low-temperature drying oven is characterized in that a first feeding mechanism is arranged on the right side of the microwave low-temperature drying oven, the first feeding mechanism comprises a feeding hopper and a first material distributor, a middle connecting hopper is arranged on the left side of the microwave low-temperature drying oven, and the microwave low-temperature drying oven is connected with a dehumidifying system; the microwave high-temperature drying oven is characterized in that a material receiving bin is arranged on the right side of the microwave high-temperature drying oven, a second feeding mechanism is arranged on the left side of the microwave high-temperature drying oven, the second feeding mechanism comprises a double-roll crusher and a vibrating material distributor, and the microwave high-temperature drying oven is connected with an air supplementing system and a hot air circulating system; the double-roll crusher is positioned below the middle connecting hopper, the microwave low-temperature drying oven and the microwave high-temperature drying oven both adopt conveying belts to convey lithium fluoride, and the lower end of the rack platform is also provided with a control electric cabinet.
Furthermore, a filter press is arranged above the feeding hopper.
Further, the conveyer belt of the microwave low-temperature drying oven is a polytetrafluoroethylene belt with skirt edges at two sides, the conveyer belt of the microwave high-temperature drying oven is a polytetrafluoroethylene belt, a steel belt or a high-temperature-resistant non-metal belt with skirt edges at two sides, the outer wall of the microwave high-temperature drying oven is provided with a heat insulation layer, microwave suppressors are arranged at the input end and the output end of the microwave low-temperature drying oven and the microwave high-temperature drying oven, microwave generators are arranged on oven bodies of the microwave low-temperature drying oven and the microwave high-temperature drying oven, the microwave generators are connected with a water circulation system, and the microwave generators provide electric energy through a fully-sealed switching power supply.
Furthermore, the material receiving bin is a closed bin, cold dry gas is introduced into the bin of the material receiving bin for sealing, and the cold dry gas is air or nitrogen.
Furthermore, the left side of the air supplementing system is sequentially connected with a first high-efficiency filter, a first electric heater and a heat exchanger, and the right side of the hot air circulating system is sequentially connected with a second high-efficiency filter and a second electric heater.
Furthermore, one end of the heat exchanger is communicated with a moisture removal system, and the output end of the moisture removal system is provided with a dust remover which is positioned outside the shield.
Furthermore, a crawling ladder and a safety barrier are arranged on the rack platform.
A lithium fluoride microwave drying method comprises the following steps: s1, carrying out pressure filtration on the lithium fluoride solution through the pressure filter to obtain a lithium fluoride filter cake with the water content of 10-20%, conveying the lithium fluoride filter cake to the feeding hopper through the conveyer, scattering the lithium fluoride filter cake through the distributing machine, and uniformly distributing the lithium fluoride filter cake on a conveyer belt of the microwave low-temperature drying furnace; s2, sending the scattered lithium fluoride filter cake to the microwave low-temperature drying oven for drying until the water content is less than 1%, and dehumidifying through the dehumidifying system in the drying process of the microwave low-temperature drying oven; s3, enabling the scattered lithium fluoride filter cake to enter the intermediate connecting hopper, then crushing the lithium fluoride filter cake into lithium fluoride powder by the double-roller crusher, and uniformly distributing the lithium fluoride powder onto a conveying belt of the microwave high-temperature drying furnace by the vibrating distributor; s4, conveying the lithium fluoride powder to the microwave high-temperature drying oven for further drying until the water content is less than 100ppm, and heating and dehumidifying through the air supplement system and the hot air circulation system in the drying process of the microwave high-temperature drying oven; and S5, the deeply dried lithium fluoride powder enters the receiving bin, is sealed and stored by the cold dry gas and is conveyed to a finished product bin.
Further, the drying temperature of the microwave low-temperature drying oven is 80-150 ℃, and the drying temperature of the microwave high-temperature drying oven is 200-350 ℃; and a plurality of microwave dielectric ceramic plates are arranged on two sides of the microwave low-temperature drying oven and the microwave high-temperature drying oven.
The invention has the beneficial effects that: the drying equipment is compact in overall structural design, reasonable in layout and small in occupied area, and is about 1/2-1/3 of the traditional drying equipment. Due to the adoption of the advanced microwave heating technology, compared with the traditional drying device, the energy-saving drying device saves about 30 percent of energy and is environment-friendly under the same yield, and the consumed time is only 1/3-1/5 of the traditional drying device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
The invention is explained in further detail below with reference to the drawing.
Fig. 1 is a front view of a lithium fluoride microwave drying device according to an embodiment of the present invention;
fig. 2 is a top view of a lithium fluoride microwave drying apparatus according to an embodiment of the present invention;
FIG. 3 is a top view of a lower end structure of a rack platform according to an embodiment of the present invention;
fig. 4 is a left side view of a lithium fluoride microwave drying device according to an embodiment of the present invention;
fig. 5 is a flow chart of a lithium fluoride microwave drying process according to an embodiment of the present invention.
In the figure:
1. feeding a hopper; 2. a first material distributor; 3. a microwave low-temperature drying oven; 4. microwave high-temperature drying oven; 5. a moisture removal system; 6. the middle is connected with the hopper; 7. a double-roll crusher; 8. a vibrating distributor; 9. a dust remover; 10. a heat exchanger; 11. a first electric heater; 12. a first high efficiency filter; 13. a wind supplementing system; 14. a hot air circulating system; 15. controlling the electric cabinet; 16. a rack platform; 17. a heat-insulating layer; 18. a material receiving bin; 19. a water circulation system; 20. a shield; 21. a filter press; 22. a conveyor; 23. a second high efficiency filter; 24. a second electric heater.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1 to 5, the lithium fluoride microwave drying device according to the embodiment of the present invention includes a shield 20, a rack platform 16 is disposed in the middle of the shield 20, a microwave low-temperature drying oven 3 is disposed at the upper end of the rack platform 16, and a microwave high-temperature drying oven 4 is disposed at the lower end of the rack platform 16; a first feeding mechanism is arranged on the right side of the microwave low-temperature drying oven 3 and comprises a feeding hopper 1 and a first material distributor 2, a middle connecting hopper 6 is arranged on the left side of the microwave low-temperature drying oven 3, and the microwave low-temperature drying oven 3 is connected with a dehumidifying system 5; a material receiving bin 18 is arranged on the right side of the microwave high-temperature drying oven 4, a second feeding mechanism is arranged on the left side of the microwave high-temperature drying oven 4, the second feeding mechanism comprises a double-roll crusher 7 and a vibrating distributor 8, and the microwave high-temperature drying oven 4 is connected with an air supplementing system 13 and a hot air circulating system 14; the double-roll crusher 7 is positioned below the middle joining hopper 6, the microwave low-temperature drying oven 3 and the microwave high-temperature drying oven 4 both adopt conveying belts to convey lithium fluoride, and the lower end of the rack platform 16 is also provided with a control electric cabinet 15.
In one embodiment of the present invention, the microwave low temperature drying oven 3 is disposed above the microwave high temperature drying oven 4 in an upper and lower layer arrangement, separated by a rack platform 16. The layout structure is compact, the occupied area is small and is about 1/2-1/3 of the traditional drying equipment, and the whole device is covered by the shield 20 to form a relatively sealed environment. The frame platform 16 is designed with a ladder for people to go up and down. Safety guardrails are further designed around the upper layer of the rack platform 16.
In one embodiment of the present invention, the dehumidifying system 5 sucks the workshop purified air from one end of the microwave low-temperature drying oven 3, discharges the workshop purified air from the other end of the microwave low-temperature drying oven through the fan, discharges a large amount of moisture to the outer side of the shield 20, and arranges a dust remover 9 at the output end of the dehumidifying system 5 for dust removal treatment in order to prevent the polluted environment.
In one embodiment of the invention, a plurality of microwave generators are distributed on two sides of the oven bodies of the microwave low-temperature drying oven 3 and the microwave high-temperature drying oven 4, so that the uniformity of the temperature in the ovens can be improved, and in order to further ensure the stability of the temperature in the oven bodies of the microwave high-temperature drying oven 4, the outer wall of the oven bodies of the microwave high-temperature drying oven 4 is provided with an insulating layer.
In an embodiment of the present invention, the microwave low-temperature drying oven 3 and the microwave high-temperature drying oven 4 are provided with microwave generators, and for the safety and stability of their operation, a water circulation system is connected to cool them by circulating water, and for the prevention of potential safety hazards due to microwave leakage, microwave suppressors are provided at the input end and the output end of the microwave low-temperature drying oven 3 and the microwave high-temperature drying oven 4.
In one embodiment of the present invention, the air supplement system 13 preheats the room temperature air in the workshop through the heat exchanger 10, then enters the first electric heater 11 for heating, then is filtered through the first high efficiency filter 12, and enters the microwave high temperature drying oven 4 for heating the material. Meanwhile, the fan extracts part of the damp and hot air from the microwave high-temperature drying oven 4, and the damp and hot air is discharged after heat exchange through the heat exchanger 10 (the normal temperature air is preheated through the damp and hot air, so that the utilization rate of energy is improved). Meanwhile, the hot air circulating system 14 sends the hot air in the microwave high-temperature drying oven 4 into the second electric heater 24 for reheating, and then the hot air is filtered by the second high-efficiency filter 23 and enters the microwave high-temperature drying oven 4 again, so that the heating temperature is ensured to be stable, and the process is repeated.
In one embodiment of the invention, the material receiving bin 18 is filled with cold dry gas to seal the material receiving bin from the outside air, so that the lithium fluoride powder in the bin is prevented from absorbing water and being damped secondarily.
When the lithium fluoride cake drying device is used specifically, the water content of the lithium fluoride cake pressed out of the filter press 21 is 10% -20%, the lithium fluoride cake is scattered by the first material distributor 2 and then uniformly spread on a conveying belt of the microwave low-temperature drying oven 3, when the lithium fluoride cake passes through the microwave low-temperature drying oven 3, the temperature of the material is rapidly raised after absorbing microwaves, and the water is vaporized and then discharged from the moisture discharging system 5. After the material passes through a microwave low-temperature drying furnace 3, the water content is less than 1 percent. The lithium fluoride after being primarily dried by the microwave low-temperature drying oven 3 is stripped from the conveying belt, enters the double-roller crusher 7 through the middle connecting hopper 6, is crushed into powder, then enters the vibrating distributor 8 at the lower end of the roller crusher 7, and is uniformly distributed on the conveying belt of the microwave high-temperature drying oven 4 for further deep dehydration. The material is dried by a microwave high-temperature drying oven 4 until the water content is less than 100 ppm. And (3) drying the final powder, feeding the dried final powder into a closed material receiving bin 18, and introducing cold dry gas into the bin to seal the bin and isolate the cold dry gas from the outside air so as to prevent the lithium fluoride powder from absorbing moisture for the second time. The dried product is transferred to a finished product bin through a pneumatic conveying device butted with the material receiving bin 18 and stored as a finished product.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a lithium fluoride microwave drying device which characterized in that: the microwave drying device comprises a shield (20), wherein a rack platform (16) is arranged in the middle of the shield (20), a microwave low-temperature drying oven (3) is arranged at the upper end of the rack platform (16), and a microwave high-temperature drying oven (4) is arranged at the lower end of the rack platform (16); a first feeding mechanism is arranged on the right side of the microwave low-temperature drying oven (3), the first feeding mechanism comprises a feeding hopper (1) and a first distributing machine (2), a middle connecting hopper (6) is arranged on the left side of the microwave low-temperature drying oven (3), and the microwave low-temperature drying oven (3) is connected with a dehumidifying system (5); a material receiving bin (18) is arranged on the right side of the microwave high-temperature drying oven (4), a second feeding mechanism is arranged on the left side of the microwave high-temperature drying oven (4), the second feeding mechanism comprises a double-roll crusher (7) and a vibrating distributor (8), and the microwave high-temperature drying oven (4) is connected with an air supplementing system (13) and a hot air circulating system (14); the double-roll crusher (7) is positioned below the middle connecting hopper (6), the microwave low-temperature drying oven (3) and the microwave high-temperature drying oven (4) both adopt conveying belts to convey lithium fluoride, and a control electric cabinet (15) is further arranged at the lower end of the rack platform (16).
2. The lithium fluoride microwave drying device of claim 1, wherein: and a filter press (21) is arranged above the feeding hopper (1).
3. The lithium fluoride microwave drying device of claim 1, wherein: the conveyor belt of the microwave low-temperature drying oven (3) is a polytetrafluoroethylene belt with skirt edges at two sides, the conveyor belt of the microwave high-temperature drying oven (4) is a polytetrafluoroethylene belt, a steel belt or a high-temperature-resistant non-metal belt with skirt edges at two sides, a heat insulation layer (17) is arranged on the outer wall of the microwave high-temperature drying oven (4), microwave low-temperature drying ovens (3) and the input and output ends of the microwave high-temperature drying ovens (4) are respectively provided with a microwave suppressor, microwave generators are arranged on the oven bodies of the microwave low-temperature drying ovens (3) and the microwave high-temperature drying ovens (4) and are connected with a water circulation system (19), and the microwave generators provide electric energy through a fully-sealed switching power supply.
4. The lithium fluoride microwave drying device of claim 1, wherein: the material receiving bin (18) is a closed bin, cold dry gas is introduced into the bin of the material receiving bin (18) for sealing, and the cold dry gas is air or nitrogen.
5. The lithium fluoride microwave drying device of claim 1, wherein: the left side of the air supplementing system (13) is sequentially connected with a first efficient filter (12), a first electric heater (11) and a heat exchanger (10), and the right side of the hot air circulating system (14) is sequentially connected with a second efficient filter (23) and a second electric heater (24).
6. The lithium fluoride microwave drying device of claim 5, wherein: one end of the heat exchanger (10) is communicated with the moisture exhausting system (5), the output end of the moisture exhausting system (5) is provided with a dust remover (9), and the dust remover (9) is positioned on the outer side of the shield (20).
7. The lithium fluoride microwave drying device of claim 1, wherein: and a ladder stand and a safety barrier are arranged on the rack platform (16).
8. The drying method of the lithium fluoride microwave drying device of claim 1, which is characterized in that: the method comprises the following steps: s1, press-filtering the lithium fluoride solution into a lithium fluoride filter cake with the water content of 10% -20% through the press filter (21), conveying the lithium fluoride filter cake to the feeding hopper (1) through the conveyor (22), scattering the lithium fluoride filter cake through the distributing machine (2), and uniformly distributing the lithium fluoride filter cake on a conveying belt of the microwave low-temperature drying oven (3); s2, sending the scattered lithium fluoride filter cake to the microwave low-temperature drying oven (3) for drying until the water content is less than 1%, and dehumidifying through the dehumidifying system (5) in the drying process of the microwave low-temperature drying oven (3); s3, enabling the scattered lithium fluoride filter cake to enter the intermediate connecting hopper (6), and then crushing the lithium fluoride filter cake into lithium fluoride powder by the double-roller crusher (7), wherein the lithium fluoride powder is uniformly distributed on a conveying belt of the microwave high-temperature drying furnace (4) by the vibrating distributor (8); s4, conveying the lithium fluoride powder to the microwave high-temperature drying oven (4) for further drying until the water content is less than 100ppm, and heating and dehumidifying through the air supply system (13) and the hot air circulation system (14) in the drying process of the microwave high-temperature drying oven (4); s5, the deeply dried lithium fluoride powder enters the receiving bin (18), and is sealed and stored by the cold dry gas and conveyed to a finished product bin.
9. The lithium fluoride microwave drying method according to claim 8, characterized in that: the drying temperature of the microwave low-temperature drying furnace (3) is 80-150 ℃, and the drying temperature of the microwave high-temperature drying furnace (4) is 200-350 ℃; the microwave low-temperature drying oven (3) and the microwave high-temperature drying oven (4) are respectively provided with a plurality of microwave dielectric ceramic plates on two sides.
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| CN202210718847.8A CN114993021A (en) | 2022-06-23 | 2022-06-23 | Lithium fluoride microwave drying device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115751890A (en) * | 2022-12-05 | 2023-03-07 | 江西石磊氟材料有限责任公司 | A drying equipment for lithium fluoride production |
| CN119351735A (en) * | 2024-10-21 | 2025-01-24 | 湖南省中晟热能科技有限公司 | A device for extracting vanadium from stone coal based on microwave heating and its use method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204944124U (en) * | 2015-08-07 | 2016-01-06 | 赣州腾远钴业有限公司 | A kind of cobalt acid lithium vacuum microwave drying device |
| CN105737578A (en) * | 2016-02-04 | 2016-07-06 | 中国科学院上海高等研究院 | Multilayer continuous type efficient grain microwave drying equipment |
| WO2018176690A1 (en) * | 2017-03-31 | 2018-10-04 | 济宁学院 | Energy-saving environmentally-friendly integrated fluidized bed drying system and processing method based on multi-stage microwave heating |
| CN110108095A (en) * | 2019-06-11 | 2019-08-09 | 佛山市蓝之鲸科技有限公司 | The microwave hot air combined drying equipment of ceramic material |
| CN209807103U (en) * | 2019-03-19 | 2019-12-20 | 山东数能信息科技有限公司 | Air energy heat pump drying device |
| CN212975450U (en) * | 2020-08-26 | 2021-04-16 | 华融化学股份有限公司 | Chemical product continuous crushing and packaging system |
| CN217715828U (en) * | 2022-06-23 | 2022-11-01 | 湖南省中晟热能科技有限公司 | Lithium fluoride microwave drying device |
-
2022
- 2022-06-23 CN CN202210718847.8A patent/CN114993021A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204944124U (en) * | 2015-08-07 | 2016-01-06 | 赣州腾远钴业有限公司 | A kind of cobalt acid lithium vacuum microwave drying device |
| CN105737578A (en) * | 2016-02-04 | 2016-07-06 | 中国科学院上海高等研究院 | Multilayer continuous type efficient grain microwave drying equipment |
| WO2018176690A1 (en) * | 2017-03-31 | 2018-10-04 | 济宁学院 | Energy-saving environmentally-friendly integrated fluidized bed drying system and processing method based on multi-stage microwave heating |
| CN209807103U (en) * | 2019-03-19 | 2019-12-20 | 山东数能信息科技有限公司 | Air energy heat pump drying device |
| CN110108095A (en) * | 2019-06-11 | 2019-08-09 | 佛山市蓝之鲸科技有限公司 | The microwave hot air combined drying equipment of ceramic material |
| CN212975450U (en) * | 2020-08-26 | 2021-04-16 | 华融化学股份有限公司 | Chemical product continuous crushing and packaging system |
| CN217715828U (en) * | 2022-06-23 | 2022-11-01 | 湖南省中晟热能科技有限公司 | Lithium fluoride microwave drying device |
Non-Patent Citations (2)
| Title |
|---|
| 曹光明 主编: "《中药工程学》", 30 June 1994, 中国医药科技出版社, pages: 579 * |
| 陆振曦 陆守道: "《食品机械原理与设计》", 31 May 1995, 中国轻工业出版社, pages: 18 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115751890A (en) * | 2022-12-05 | 2023-03-07 | 江西石磊氟材料有限责任公司 | A drying equipment for lithium fluoride production |
| CN119351735A (en) * | 2024-10-21 | 2025-01-24 | 湖南省中晟热能科技有限公司 | A device for extracting vanadium from stone coal based on microwave heating and its use method |
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