CN210855302U - Reaction device for directly converting lithium carbonate into lithium fluoride product - Google Patents
Reaction device for directly converting lithium carbonate into lithium fluoride product Download PDFInfo
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- CN210855302U CN210855302U CN201921851167.3U CN201921851167U CN210855302U CN 210855302 U CN210855302 U CN 210855302U CN 201921851167 U CN201921851167 U CN 201921851167U CN 210855302 U CN210855302 U CN 210855302U
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Abstract
The utility model provides a reaction device for directly converting lithium carbonate into lithium fluoride products, which comprises a carbonizing machine, a slurry generator, a fluorination reactor and a lithium fluoride purifying machine, wherein the carbonizing machine comprises a liquid preparation tank and a carbonizing kettle, and the liquid preparation tank is connected with the carbonizing kettle through a pipeline with an infusion pump; the material input end of the slurry generator is connected with the material output end of the carbonization kettle through a pipeline; the material input end of the fluorination reactor is connected with the material output end of the slurry generator through a pipeline; and the material input end of the lithium fluoride purifying machine is connected with the material output end of the fluorination reactor through a pipeline. This reaction unit can convert lithium carbonate into lithium carbonate thick liquids with this reaction efficiency who improves between lithium carbonate and the hydrofluoric acid to improve the reaction formation rate of lithium fluoride, and this reaction unit's structural design is simple and the cost is with low costs, and it extensively is applicable to the lithium fluoride manufacturing enterprise of different scales, thereby improves the productivity of lithium fluoride effectively.
Description
Technical Field
The utility model relates to a technical field of lithium fluoride material production especially relates to a lithium carbonate directly turns into reaction unit of lithium fluoride product.
Background
The lithium fluoride material is widely applied to the fields of military industry, aerospace and industrial production, and has higher industrial value. However, the existing devices for producing lithium fluoride materials are usually formed by adaptively assembling different production raw materials, which results in high manufacturing cost, low applicability and low lithium fluoride yield of such devices, and such devices cannot be widely applied to lithium fluoride production enterprises of different scales, which seriously reduces the efficiency of lithium fluoride production and increases the cost of lithium fluoride production.
SUMMERY OF THE UTILITY MODEL
To the defect that above-mentioned prior art exists, the utility model provides a lithium carbonate directly turns into reaction unit of lithium fluoride product, this reaction unit includes the carbonizing machine, the thick liquids generate the machine, fluorination reactor and lithium fluoride purifying machine, wherein, this carbonizing machine is used for carrying out carbonization reaction in order to generate lithium bicarbonate solution to lithium carbonate, this thick liquids generate the machine and is used for carrying out slurrying reaction in order to generate lithium carbonate thick liquids to lithium carbonate solution, this fluorination reactor is used for carrying out fluorination reaction in order to generate lithium fluoride solution to lithium carbonate thick liquids, this lithium fluoride purifying machine is used for carrying out purification treatment in order to generate the lithium fluoride powder that obtains high-purity to lithium fluoride solution, this reaction unit can convert lithium carbonate into lithium carbonate thick liquids with this reaction efficiency who improves between lithium carbonate and the hydrofluoric acid solution, thereby improve the reaction yield of lithium fluoride, and this reaction unit's structural design is simple and the cost is low, the method is widely applicable to lithium fluoride production enterprises of different scales, thereby effectively improving the productivity of lithium fluoride.
The utility model provides a lithium carbonate directly turns into reaction unit of lithium fluoride product, it includes carbonizing machine, thick liquids generate machine, fluorination reactor and lithium fluoride purifying machine, its characterized in that:
the carbonizing machine comprises a liquid preparation tank and a carbonizing kettle, and the liquid preparation tank is connected with the carbonizing kettle through a pipeline with a liquid conveying pump;
the material input end of the slurry generator is connected with the material output end of the carbonization kettle through a pipeline;
the material input end of the fluorination reactor is connected with the material output end of the slurry generator through a pipeline;
the material input end of the lithium fluoride purifier is connected with the material output end of the fluorination reactor through a pipeline;
inputting the lithium bicarbonate solution output by the carbonizing machine into the slurry generator through a pipeline so as to obtain lithium carbonate slurry through conversion;
inputting lithium carbonate slurry output by the slurry generator into the fluorination reactor through a pipeline to react to obtain a lithium fluoride solution;
inputting the lithium fluoride solution output by the fluorination reactor into the lithium fluoride purifying machine through a pipeline so as to obtain lithium fluoride powder through conversion;
further, the liquid preparation tank comprises a tank body, a first proportioning port, a second proportioning port and a third proportioning port, wherein the first proportioning port, the second proportioning port and the third proportioning port are arranged above the tank body; wherein the content of the first and second substances,
the first batching port, the second batching port and the third batching port are hermetically connected with a lithium carbonate raw material conveying end, a carbon dioxide conveying end and a purified water conveying end through a first pipeline, a second pipeline and a third pipeline respectively;
further, a first one-way solenoid valve, a second one-way solenoid valve and a third one-way solenoid valve are respectively arranged on the first batching port, the second batching port and the third batching port;
a batching weight sensor is arranged on the first pipeline and used for detecting the weight of the lithium carbonate material conveyed to the tank body;
a gas volume sensor is arranged on the second pipeline and used for detecting the volume of the carbon dioxide conveyed to the tank body;
a liquid volume sensor is arranged on the third pipeline and used for detecting the volume of the purified water conveyed to the tank body;
further, a first material conveying regulating valve is further arranged on the first pipeline and is in signal connection with the ingredient weight sensor;
the second pipeline is also provided with a second material conveying regulating valve which is in signal connection with the gas volume sensor;
the third pipeline is also provided with a third material conveying regulating valve which is in signal connection with the liquid volume sensor;
further, the carbonization kettle comprises a carbonization reaction tank, a heater and a temperature sensor; wherein the content of the first and second substances,
a liquid input port is arranged at the bottom end of the carbonization reaction tank and is hermetically connected with a pipeline so as to receive the lithium carbonate mixed liquid conveyed by the infusion pump;
the temperature sensor is arranged on the inner wall of the carbonization reaction tank and is used for detecting reaction temperature information of carbonization reaction generated in the carbonization reaction tank;
the heater is in signal connection with the temperature sensor and is used for carrying out adaptive heating operation on the carbonization reaction tank according to the reaction temperature information;
further, the slurry generator comprises a slurry reaction kettle, a stirrer and a filter; wherein the content of the first and second substances,
a carbonization liquid inlet is formed in one side of the slurry reaction kettle and is in sealed connection with a pipeline so as to receive the lithium bicarbonate solution from the carbonizing machine;
the stirrer is arranged below the inside of the slurry reaction kettle and is used for stirring the lithium bicarbonate solution;
the filter is arranged above the inside of the slurry reaction kettle and is used for filtering the generated lithium carbonate slurry;
further, the slurry reaction kettle is a thermal decomposition reaction kettle;
the stirrer is a magnetic field driven stirrer;
the filter is a multi-stage filter;
further, the fluorination reactor comprises a fluorination reaction kettle and a hydrofluoric acid delivery pump; wherein the content of the first and second substances,
a lithium carbonate slurry input port is formed in one side of the fluorination reaction kettle and is in sealed connection with a pipeline so as to receive lithium carbonate slurry from the slurry generator;
a hydrofluoric acid input port is arranged on the other side of the fluorination reaction kettle and is hermetically connected with a pipeline so as to receive hydrofluoric acid from the hydrofluoric acid delivery pump;
further, the lithium fluoride purifying machine comprises a heating concentrator, a precipitation crystallizer and a dryer; wherein the content of the first and second substances,
the material input end of the heating concentrator is connected with the material output end of the fluorination reactor through a pipeline and is used for heating and concentrating the lithium fluoride solution from the fluorination reactor;
the material input end of the precipitation crystallizer is connected with the material output end of the heating concentrator through a pipeline and is used for performing precipitation crystallization on the lithium fluoride concentrated solution;
the material input end of the dryer is connected with the material output end of the precipitation crystallizer through a pipeline and is used for drying the lithium fluoride crystal;
further, the dryer is an air-heated dryer or an infrared radiation dryer.
Compared with the prior art, the utility model discloses a lithium carbonate directly turns into the reaction unit of lithium fluoride product, this reaction unit includes the carbonizing machine, the thick liquids generate the machine, fluorination reactor and lithium fluoride purifying machine, wherein, this carbonizing machine is used for carrying out carbonization reaction with the formation lithium bicarbonate solution to the lithium carbonate, this thick liquids generate the machine and is used for carrying out slurrying reaction with the formation lithium carbonate thick liquids to the lithium bicarbonate solution, this fluorination reactor is used for carrying out fluorination reaction with the formation lithium fluoride solution to the lithium carbonate thick liquids, this lithium fluoride purifying machine is used for purifying the treatment with the formation and obtaining high-purity lithium fluoride powder to the lithium fluoride solution, this reaction unit can convert lithium carbonate into lithium carbonate thick liquids with this reaction efficiency who improves between lithium carbonate and the hydrofluoric acid, thereby improve the reaction yield of lithium fluoride, and this reaction unit's structural design is simple and cost is low, the method is widely applicable to lithium fluoride production enterprises of different scales, thereby effectively improving the productivity of lithium fluoride.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a reaction device for directly converting lithium carbonate into a lithium fluoride product according to the present invention.
Reference numerals: 1. a carbonizing machine; 2. preparing a liquid tank; 3. carbonizing the kettle; 4. a slurry generator; 5. a fluorination reactor; 6. lithium fluoride purifier.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, a schematic diagram of a reaction apparatus for direct conversion of lithium carbonate to lithium fluoride product is shown. The reaction device for directly converting the lithium carbonate into the lithium fluoride product comprises a carbonizer 1, a slurry generator 4, a fluorination reactor 5 and a lithium fluoride purifier 6;
the carbonizing machine 1 comprises a liquid preparation tank 2 and a carbonizing kettle 3, and the liquid preparation tank 2 is connected with the carbonizing kettle 3 through a pipeline with a liquid conveying pump;
the material input end of the slurry generator 4 is connected with the material output end of the carbonization kettle 3 through a pipeline;
the material input end of the fluorination reactor 5 is connected with the material output end of the slurry generator 4 through a pipeline;
the material input end of the lithium fluoride purifier 6 is connected with the material output end of the fluorination reactor 5 through a pipeline;
inputting the lithium bicarbonate solution output by the carbonizer 1 into the slurry generator 4 through a pipeline to obtain lithium carbonate slurry through conversion;
inputting the lithium carbonate slurry output by the slurry generator 4 into the fluorination reactor 5 through a pipeline to react to obtain a lithium fluoride solution;
and inputting the lithium fluoride solution output by the fluorination reactor 5 into the lithium fluoride purifier 6 through a pipeline so as to obtain lithium fluoride powder through conversion.
Preferably, the liquid preparation tank 2 comprises a tank body, a first dosing port, a second dosing port and a third dosing port, wherein the first dosing port, the second dosing port and the third dosing port are arranged above the tank body; wherein the content of the first and second substances,
the first batching port, the second batching port and the third batching port are hermetically connected with a lithium carbonate raw material conveying end, a carbon dioxide conveying end and a purified water conveying end through a first pipeline, a second pipeline and a third pipeline respectively;
preferably, the first dispensing port, the second dispensing port and the third dispensing port are respectively provided with a first one-way solenoid valve, a second one-way solenoid valve and a third one-way solenoid valve;
a batching weight sensor is arranged on the first pipeline and used for detecting the weight of the lithium carbonate material conveyed to the tank body;
a gas volume sensor is arranged on the second pipeline and used for detecting the volume of the carbon dioxide conveyed to the tank body;
a liquid volume sensor is arranged on the third pipeline and used for detecting the volume of the purified water conveyed to the tank body;
preferably, the first pipeline is further provided with a first material conveying regulating valve which is in signal connection with the ingredient weight sensor;
the second pipeline is also provided with a second material conveying regulating valve which is in signal connection with the gas volume sensor;
the third pipeline is also provided with a third material conveying regulating valve which is in signal connection with the liquid volume sensor;
preferably, the carbonization kettle 3 comprises a carbonization reaction tank, a heater and a temperature sensor; wherein the content of the first and second substances,
a liquid input port is arranged at the bottom end of the carbonization reaction tank and is hermetically connected with a pipeline so as to receive the lithium carbonate mixed liquid conveyed by the infusion pump;
the temperature sensor is arranged on the inner wall of the carbonization reaction tank and is used for detecting reaction temperature information of carbonization reaction generated in the carbonization reaction tank;
the heater is in signal connection with the temperature sensor and is used for carrying out adaptive heating operation on the carbonization reaction tank according to the reaction temperature information;
preferably, the slurry generator 4 comprises a slurry reaction kettle, a stirrer and a filter; wherein the content of the first and second substances,
a carbonization liquid inlet is formed in one side of the slurry reaction kettle and is hermetically connected with a pipeline so as to receive the lithium bicarbonate solution from the carbonizer 1;
the stirrer is arranged below the inside of the slurry reaction kettle and is used for stirring the lithium bicarbonate solution;
the filter is arranged above the inside of the slurry reaction kettle and is used for filtering the generated lithium carbonate slurry;
preferably, the slurry reaction kettle is a thermal decomposition reaction kettle;
the stirrer is a magnetic field driven stirrer;
the filter is a multi-stage filter;
preferably, the fluorination reactor 5 comprises a fluorination reaction kettle and a hydrofluoric acid delivery pump; wherein the content of the first and second substances,
a lithium carbonate slurry input port is arranged on one side of the fluorination reaction kettle and is hermetically connected with a pipeline so as to receive the lithium carbonate slurry from the slurry generator 4;
a hydrofluoric acid input port is arranged on the other side of the fluorination reaction kettle and is hermetically connected with a pipeline so as to receive hydrofluoric acid from the hydrofluoric acid delivery pump;
preferably, the lithium fluoride purifier 6 comprises a heating concentrator, a precipitation crystallizer and a dryer; wherein the content of the first and second substances,
the material input end of the heating concentrator is connected with the material output end of the fluorination reactor 5 through a pipeline, and the heating concentrator is used for heating and concentrating the lithium fluoride solution from the fluorination reactor 5;
the material input end of the precipitation crystallizer is connected with the material output end of the heating concentrator through a pipeline and is used for performing precipitation crystallization on the lithium fluoride concentrated solution;
the material input end of the dryer is connected with the material output end of the precipitation crystallizer through a pipeline and is used for drying the lithium fluoride crystal;
preferably, the dryer is a wind-heat dryer or an infrared radiation dryer.
As can be seen from the above description of the embodiment, the reaction apparatus for directly converting lithium carbonate into lithium fluoride product includes a carbonizer for carbonizing lithium carbonate to generate a lithium bicarbonate solution, a slurry generator for slurrying the lithium bicarbonate solution to generate a lithium carbonate slurry, a fluorination reactor for fluorinating the lithium carbonate slurry to generate a lithium fluoride solution, and a lithium fluoride purifier for purifying the lithium fluoride solution to generate high-purity lithium fluoride powder, and is capable of converting lithium carbonate into lithium carbonate slurry to increase the reaction efficiency between lithium carbonate and hydrofluoric acid, thereby increasing the reaction generation rate of lithium fluoride, and has a simple structural design and low manufacturing cost, the method is widely applicable to lithium fluoride production enterprises of different scales, thereby effectively improving the productivity of lithium fluoride.
Claims (10)
1. The utility model provides a lithium carbonate directly turns into reaction unit of lithium fluoride product, its includes carbonizer, thick liquids generate machine, fluorination reactor and lithium fluoride purification machine, its characterized in that:
the carbonizing machine comprises a liquid preparation tank and a carbonizing kettle, and the liquid preparation tank is connected with the carbonizing kettle through a pipeline with a liquid conveying pump;
the material input end of the slurry generator is connected with the material output end of the carbonization kettle through a pipeline;
the material input end of the fluorination reactor is connected with the material output end of the slurry generator through a pipeline;
the material input end of the lithium fluoride purifier is connected with the material output end of the fluorination reactor through a pipeline;
inputting the lithium bicarbonate solution output by the carbonizing machine into the slurry generator through a pipeline so as to obtain lithium carbonate slurry through conversion;
inputting lithium carbonate slurry output by the slurry generator into the fluorination reactor through a pipeline to react to obtain a lithium fluoride solution;
and inputting the lithium fluoride solution output by the fluorination reactor into the lithium fluoride purifying machine through a pipeline so as to obtain lithium fluoride powder through conversion.
2. The reaction unit for the direct conversion of lithium carbonate to lithium fluoride product of claim 1, wherein:
the liquid preparation tank comprises a tank body, a first mixing port, a second mixing port and a third mixing port, wherein the first mixing port, the second mixing port and the third mixing port are arranged above the tank body; wherein the content of the first and second substances,
first batching mouth the second batching mouth with the third batching mouth is carried end sealing connection with lithium carbonate raw materials transport end, carbon dioxide transport end and pure water transport through first pipeline, second pipeline and third pipeline respectively.
3. The reaction unit for the direct conversion of lithium carbonate to lithium fluoride product of claim 2, wherein:
a first one-way electromagnetic valve, a second one-way electromagnetic valve and a third one-way electromagnetic valve are respectively arranged on the first batching port, the second batching port and the third batching port;
a batching weight sensor is arranged on the first pipeline and used for detecting the weight of the lithium carbonate material conveyed to the tank body;
a gas volume sensor is arranged on the second pipeline and used for detecting the volume of the carbon dioxide conveyed to the tank body;
and a liquid volume sensor is arranged on the third pipeline and used for detecting the volume of the purified water conveyed to the tank body.
4. A reaction unit for the direct conversion of lithium carbonate to lithium fluoride product according to claim 3, wherein:
the first pipeline is also provided with a first material conveying regulating valve which is in signal connection with the batching weight sensor;
the second pipeline is also provided with a second material conveying regulating valve which is in signal connection with the gas volume sensor;
and a third material conveying regulating valve is also arranged on the third pipeline and is in signal connection with the liquid volume sensor.
5. The reaction unit for the direct conversion of lithium carbonate to lithium fluoride product of claim 1, wherein:
the carbonization kettle comprises a carbonization reaction tank, a heater and a temperature sensor; wherein the content of the first and second substances,
a liquid input port is arranged at the bottom end of the carbonization reaction tank and is hermetically connected with a pipeline so as to receive the lithium carbonate mixed liquid conveyed by the infusion pump;
the temperature sensor is arranged on the inner wall of the carbonization reaction tank and is used for detecting reaction temperature information of carbonization reaction generated in the carbonization reaction tank;
the heater is in signal connection with the temperature sensor and is used for carrying out adaptive heating operation on the carbonization reaction tank according to the reaction temperature information.
6. The reaction unit for the direct conversion of lithium carbonate to lithium fluoride product of claim 1, wherein:
the slurry generator comprises a slurry reaction kettle, a stirrer and a filter; wherein the content of the first and second substances,
a carbonization liquid inlet is formed in one side of the slurry reaction kettle and is in sealed connection with a pipeline so as to receive the lithium bicarbonate solution from the carbonizing machine;
the stirrer is arranged below the inside of the slurry reaction kettle and is used for stirring the lithium bicarbonate solution;
the filter is arranged above the inside of the slurry reaction kettle and is used for filtering the generated lithium carbonate slurry.
7. The reaction unit for the direct conversion of lithium carbonate to lithium fluoride product of claim 6, wherein:
the slurry reaction kettle is a thermal decomposition reaction kettle;
the stirrer is a magnetic field driven stirrer;
the filter is a multi-stage filter.
8. The reaction unit for the direct conversion of lithium carbonate to lithium fluoride product of claim 1, wherein:
the fluorination reactor comprises a fluorination reaction kettle and a hydrofluoric acid delivery pump; wherein the content of the first and second substances,
a lithium carbonate slurry input port is formed in one side of the fluorination reaction kettle and is in sealed connection with a pipeline so as to receive lithium carbonate slurry from the slurry generator;
and a hydrofluoric acid input port is arranged on the other side of the fluorination reaction kettle and is in sealed connection with a pipeline so as to receive hydrofluoric acid from the hydrofluoric acid delivery pump.
9. The reaction unit for the direct conversion of lithium carbonate to lithium fluoride product of claim 1, wherein:
the lithium fluoride purifying machine comprises a heating concentrator, a precipitation crystallizer and a dryer; the material input end of the heating concentrator is connected with the material output end of the fluorination reactor through a pipeline and is used for heating and concentrating the lithium fluoride solution from the fluorination reactor;
the material input end of the precipitation crystallizer is connected with the material output end of the heating concentrator through a pipeline and is used for performing precipitation crystallization on the lithium fluoride concentrated solution;
and the material input end of the dryer is connected with the material output end of the precipitation crystallizer through a pipeline and is used for drying the lithium fluoride crystal.
10. The reaction unit for the direct conversion of lithium carbonate to lithium fluoride product of claim 9, wherein:
the dryer is an air heating dryer or an infrared radiation dryer.
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| CN201921851167.3U CN210855302U (en) | 2019-10-30 | 2019-10-30 | Reaction device for directly converting lithium carbonate into lithium fluoride product |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115138317A (en) * | 2022-07-13 | 2022-10-04 | 新余赣锋锂业有限公司 | Production device and method for preparing neutral large-granularity battery-grade lithium fluoride by continuously precipitating lithium |
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2019
- 2019-10-30 CN CN201921851167.3U patent/CN210855302U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115138317A (en) * | 2022-07-13 | 2022-10-04 | 新余赣锋锂业有限公司 | Production device and method for preparing neutral large-granularity battery-grade lithium fluoride by continuously precipitating lithium |
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