CN216970719U - Storage device of battery-grade lithium hydroxide - Google Patents
Storage device of battery-grade lithium hydroxide Download PDFInfo
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- CN216970719U CN216970719U CN202220511990.5U CN202220511990U CN216970719U CN 216970719 U CN216970719 U CN 216970719U CN 202220511990 U CN202220511990 U CN 202220511990U CN 216970719 U CN216970719 U CN 216970719U
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Abstract
The utility model belongs to the technical field of battery-grade lithium hydroxide production. Based on the problem that lithium hydroxide is easy to deteriorate due to poor sealing effect and moisture-proof effect of the existing storage device, the utility model discloses a storage device for battery-grade lithium hydroxide, which structurally comprises a tank body; the vacuum pump is communicated with the top of the tank body; the air inlet pipe is arranged at the top of the tank body; the gas inlet pipe is communicated with the gas tank so as to introduce inert gas into the tank body; a stirring assembly; a dehumidifying component; the stirring assembly comprises a driving unit arranged at the top of the tank body; a rotating shaft; the spiral blade is arranged in the area of the rotating shaft close to the bottom end, and the dehumidifying component comprises a circulating pipeline which is communicated with the tank body; the drying box is communicated with the circulating pipeline and is used for heating and drying the inert gas; and the induced draft fan is communicated with the circulating pipeline and is used for pumping the inert gas in the tank body into the drying oven for heating and drying. The storage device can prevent lithium hydroxide from deteriorating and is beneficial to quick discharge of materials.
Description
Technical Field
The utility model belongs to the technical field of battery-grade lithium hydroxide production, and particularly relates to a storage device for battery-grade lithium hydroxide.
Background
The battery-grade lithium hydroxide mainly refers to a single-water product, is white crystals and has strong basicity. Lithium hydroxide as basic lithium salt can be converted into various lithium compounds, especially high-purity lithium compounds, and the lithium hydroxide is widely used in glass and ceramic industries to improve product performance, is also an important additive of products such as lithium-based lubricating grease, alkaline storage batteries, corrosion-resistant zinc-based pigments and the like, and can also be used as a carbon dioxide absorbent.
The existing large-scale battery-grade lithium hydroxide storage device has poor sealing effect and moisture-proof effect, and the lithium hydroxide is easy to absorb carbon dioxide and moisture in the air, so that the lithium hydroxide is decomposed and deteriorated, and blockage is easily caused during discharging.
SUMMERY OF THE UTILITY MODEL
Based on the problem that the existing battery-grade lithium hydroxide storage device has poor sealing effect and moisture-proof effect, so that lithium hydroxide is easy to deteriorate, the utility model aims to provide a battery-grade lithium hydroxide storage device which can prevent the lithium hydroxide stored in the storage device from deteriorating.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a storage device for lithium hydroxide comprises a tank body, wherein the top of the tank body is provided with a feed inlet, and the bottom of the tank body is provided with a discharge outlet; the feed inlet is provided with a detachable sealing cover; the vacuum pump is communicated with the top of the tank body; the air inlet pipe is arranged at the top of the tank body and is provided with a valve; the gas inlet pipe is communicated with the gas tank so as to introduce inert gas into the tank body; the stirring assembly is used for stirring materials; and the dehumidifying component is communicated with the tank body and is used for heating and drying the inert gas in the tank body.
The stirring assembly comprises a driving unit arranged at the top of the tank body; one end of the rotating shaft is connected with the output end of the driving unit, and the other end of the rotating shaft extends into the tank body; and the spiral blade is arranged in the area of the rotating shaft close to the bottom end.
The dehumidification assembly comprises a circulating pipeline and is communicated with the tank body; the drying box is communicated with the circulating pipeline and is used for heating and drying the inert gas; and the induced draft fan is communicated with the circulating pipeline and is used for pumping the inert gas in the tank body to the drying box for heating and drying.
In one technical scheme disclosed by the utility model, the device further comprises a humidity sensor, wherein the humidity sensor is arranged at the top of the interior of the tank body and is connected with the induced draft fan through a lead.
In one technical scheme disclosed by the utility model, the device further comprises a pressure sensor, wherein the pressure sensor is arranged in the tank body and is connected with a valve of the air inlet pipe through a lead; wherein, the valve on the air inlet pipe is an electromagnetic valve.
In one of the technical solutions disclosed in the present invention, the helical blade is tapered with a large top and a small bottom.
In one technical scheme disclosed by the utility model, the stirring assembly further comprises a scraper, and the scraper is attached to the inner wall of the tank body and is fixedly connected with the rotating shaft.
In one technical scheme disclosed by the utility model, the bottom of the tank body is a conical funnel with a large upper part and a small lower part.
In one of the technical solutions disclosed in the present invention, the inert gas is nitrogen.
In one of the technical solutions disclosed in the present invention, a sealing gasket is disposed on the sealing cover.
In one of the technical solutions disclosed in the present invention, the sealing pad is made of elastic rubber.
In one of the technical solutions disclosed in the present invention, the driving unit is a motor.
As can be seen from the above description, compared with the prior art, the beneficial effects of the present invention are:
1. air in the tank body is pumped out through the vacuum pump, so that the lithium hydroxide can be prevented from contacting with carbon dioxide in the air, and the lithium hydroxide can be prevented from deteriorating; meanwhile, nitrogen is introduced into the tank body by the gas tank to form a nitrogen seal, so that the storage condition of the lithium hydroxide is improved, the quality of the lithium hydroxide can be further ensured, and the lithium hydroxide is prevented from deteriorating; further, be provided with dehumidification subassembly, take out the gas in the jar body to the desicator heating and drying through the draught fan, can prevent that lithium hydrate from weing and rotten.
2. Furthermore, the stirring assembly is arranged, and the conical helical blade is arranged in the area of the rotating shaft close to the bottom end, so that the rapid discharging is facilitated; simultaneously, the stirring subassembly still is provided with the scraper blade that sets up with the laminating of jar internal wall, can clean jar internal wall, avoids extravagant, simultaneously, also can be favorable to with jar body sanitization when wasing jar body.
3. And finally, a pressure sensor and a humidity sensor are arranged to monitor the internal condition of the tank body, so that the safety of the tank body and the quality of lithium hydroxide can be ensured.
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 three-dimensional structure of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a schematic sectional view taken along a-a' in fig. 2.
Fig. 4 is a schematic cross-sectional view taken along line B-B' in fig. 2.
Reference numerals: 1-tank body; 11-a feed inlet; 12-a conical funnel; 2-a dehumidifying component; 21-a dryer; 22-a draught fan; 23-a circulation conduit; 3-evacuation component, 31-evacuation pipe; 32-an air inlet pipe; 34-a gas tank; 4-a stirring component; 41-a drive unit; 42-rotating shaft; 43-helical blades; 44-a squeegee; 5-a pressure sensor; 6-humidity sensor.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Based on the problem that the existing storage device for battery-grade lithium hydroxide is poor in sealing effect and moisture-proof effect, air usually remains at the top of the storage device, and lithium hydroxide is easy to absorb carbon dioxide and moisture in the air, so that the lithium hydroxide is decomposed and deteriorated. The storage device can prevent lithium hydroxide from deteriorating.
Specifically, the top of the tank body 1 is provided with a feed inlet 11, and the bottom is a conical funnel 12 with a large upper part and a small lower part. Wherein be provided with the sealed lid of detachable on the feed inlet 11, and sealed covering and be provided with the material and be the sealed pad of elastic rubber, can improve the sealing performance of the jar body. The discharge hole of the conical funnel 12 is provided with a valve.
The evacuation assembly 3 is used for evacuating air in the tank 1, and includes an evacuation pipe 31, an intake pipe 32, a vacuum pump, and an air tank 34.
The emptying pipe 31 and the air inlet pipe 32 are both arranged at the top of the tank body 1 and are communicated with the tank body 1. The vacuum pump is arranged outside the tank body 1 and communicated with the emptying pipe 31 for pumping air in the tank body 1. The gas tank 34 is communicated with the gas inlet pipe 32 and is used for filling inert gas into the tank body 1 to prevent the lithium hydroxide from contacting with air, thereby avoiding the lithium hydroxide from deteriorating. In this example, the inert gas is nitrogen.
By adopting the structure, the vacuum pump can pump out the air in the tank body 1, so that the lithium hydroxide is prevented from being deteriorated due to the contact with carbon dioxide in the air, and meanwhile, the air tank 34 introduces nitrogen into the tank body 1 to form nitrogen seal on the lithium hydroxide, so that the storage condition of the lithium hydroxide is improved, the lithium hydroxide can be further protected, and the lithium hydroxide is prevented from being deteriorated.
The dehumidifying component 2 is used for heating and drying the gas in the tank body 1 and comprises a dryer 21, an induced draft fan 22 and a circulating pipeline 23.
Wherein the circulation line 23 is in communication with the tank 1. Both the dryer 21 and the induced draft fan 22 are communicated with a circulation line 23. The dryer 21 and the induced draft fan 22 are commercially available devices.
With the above structure, the induced draft fan 22 can provide power for the gas circulation. The dryer 21 may heat and dehumidify the passing gas, and the heated and dehumidified gas is introduced into the tank 1 again through the circulation line 21.
By adopting the structure, the lithium hydroxide in the tank body 1 can be prevented from being affected with damp and deteriorated.
The stirring assembly 4 is used for stirring the materials and assisting the discharging, and includes a driving unit 41, a rotating shaft 42, a spiral blade 43 and a scraper 44.
The driving unit 41, which may be a motor, is installed on the top of the can body 1. One end of the rotating shaft 42 is connected to the output end of the driving unit 41, and the other end extends to the inside of the vessel 1. A helical blade 43 is mounted on the rotating shaft 42 in the region near the bottom end. The scraper 44 is attached to the inner wall of the can body 1 and is fixedly connected to the rotating shaft 42.
By adopting the structure, the rotating shaft 42 drives the helical blade 43 to rotate, so that the material can be discharged conveniently and rapidly; meanwhile, the scraper 44 can clean the inner wall of the tank body 1, so that waste of raw materials is avoided, and the inner wall can be cleaned during cleaning.
As an optimization of the above embodiment, the spiral blade 43 is tapered in a large upper part and a small lower part. By adopting the design, the rapid discharge of the tank body is more facilitated.
As an optimized solution of the above embodiment, a pressure sensor 5 and a humidity sensor 6 are further included. The pressure sensor 5 and the humidity sensor 6 are both installed in the tank 1. The humidity sensor 6 is connected with the induced draft fan 22 through a lead. An electromagnetic valve (not shown in the figure) is arranged on the air inlet pipe 32, and the electromagnetic valve is connected with the pressure sensor 5 through a lead. The mode of monitoring and controlling the operation of the elements by means of sensors is common in the prior art.
By adopting the structure, the pressure in the tank body 1 is monitored by the pressure sensor 5, and when the pressure reaches a critical value, the electromagnetic valve is controlled to be closed, so that the safety of the tank body is ensured; simultaneously, through humidity transducer 6 monitoring jar internal humidity, when humidity reaches the critical value, control draught fan 22 begins work, takes out gas to drying cabinet 21 heat drying, and the gas after the drying gets back to jar body 1 through circulation pipeline 23 once more, can prevent that the lithium hydrate in jar body 1 from weing, avoids the lithium hydrate rotten.
The working principle of the embodiment of the utility model is as follows:
after the material enters the tank body 1 from the feed inlet 11, the sealing cover 13 is covered; then, turning on a vacuum pump, pumping out air at the top in the tank body 1, simultaneously discharging nitrogen into the tank body 1 from an air tank 34 until the air in the tank body 1 is completely discharged, and then turning off the vacuum pump; when the pressure sensor 5 monitors that the pressure in the tank body 1 reaches a critical value, the electromagnetic valve of the air inlet pipe 32 is automatically closed; when the humidity sensor 6 monitors that the humidity in the tank body 1 reaches a critical value, the induced draft fan 22 pumps the gas in the tank body 1 to the dryer 21 for heating and drying, and the heated and dried gas enters the tank body 1 again through the circulating pipeline 23; when material is required to be taken, the driving unit 41 starts to work, and the helical blade 43 is driven to rotate.
As can be seen from the above description, the embodiments of the present invention have the following beneficial effects:
air in the tank body is pumped out through the vacuum pump, so that the lithium hydroxide can be prevented from contacting with carbon dioxide in the air, and the lithium hydroxide can be prevented from deteriorating; meanwhile, nitrogen is introduced into the tank body by the gas tank to form a nitrogen seal, so that the storage condition of the lithium hydroxide is improved, the quality of the lithium hydroxide can be further ensured, and the lithium hydroxide is prevented from deteriorating; furthermore, a dehumidifying component is arranged, and the gas in the tank body is pumped to a dryer for heating and drying through a draught fan, so that the lithium hydroxide can be prevented from being affected with damp and deteriorating; furthermore, the stirring assembly is arranged, and the conical helical blade is arranged in the area of the rotating shaft close to the bottom end, so that the rapid discharging is facilitated; meanwhile, the stirring component is also provided with a scraper attached to the inner wall of the tank body, so that the inner wall of the tank body can be cleaned, waste is avoided, and the tank body can be cleaned well when being cleaned; finally, a pressure sensor and a humidity sensor are arranged to monitor the internal condition of the tank body, so that the safety of the tank body and the quality of lithium hydroxide can be ensured.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A storage device for lithium hydroxide, comprising:
the top of the tank body is provided with a feed inlet, and the bottom of the tank body is provided with a discharge outlet; the feed port is provided with a detachable sealing cover;
the vacuum pump is communicated with the top of the tank body;
the air inlet pipe is arranged at the top of the tank body and is provided with a valve; the gas inlet pipe is communicated with the gas tank so as to introduce inert gas into the tank body;
the stirring assembly is used for stirring materials;
the dehumidifying component is communicated with the tank body and is used for heating and drying the inert gas in the tank body;
wherein, the stirring subassembly includes:
the driving unit is arranged at the top of the tank body;
one end of the rotating shaft is connected with the output end of the driving unit, and the other end of the rotating shaft extends into the tank body;
the spiral blade is arranged in the area of the rotating shaft close to the bottom end;
the dehumidification assembly comprises:
the circulating pipeline is communicated with the tank body;
the drying box is communicated with the circulating pipeline and is used for heating and drying the inert gas;
and the induced draft fan is communicated with the circulating pipeline and is used for pumping the inert gas in the tank body to the drying box for heating and drying.
2. The device for storing lithium hydroxide according to claim 1, further comprising a humidity sensor, wherein the humidity sensor is mounted at the top of the interior of the tank body and is connected with the induced draft fan through a lead.
3. The lithium hydroxide storage device according to claim 1, further comprising a pressure sensor, wherein the pressure sensor is arranged inside the tank body and is connected with the valve of the air inlet pipe through a lead; wherein, the valve on the air inlet pipe is an electromagnetic valve.
4. The apparatus for storing lithium hydroxide according to claim 1, wherein the helical blades are tapered in a large-upper direction and a small-lower direction.
5. The lithium hydroxide storage device of claim 1, wherein the stirring assembly further comprises a scraper, and the scraper is attached to the inner wall of the tank body and fixedly connected with the rotating shaft.
6. The lithium hydroxide storage device according to claim 1, wherein the bottom of the tank body is a conical funnel with a large top and a small bottom.
7. The storage device of claim 1, wherein the inert gas is nitrogen.
8. The lithium hydroxide storage device of claim 1 wherein a gasket is disposed on the sealing cover.
9. The lithium hydroxide storage device according to claim 8 wherein the seal is made of an elastic rubber.
10. The storage device of claim 1, wherein the drive unit is an electric motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220511990.5U CN216970719U (en) | 2022-03-10 | 2022-03-10 | Storage device of battery-grade lithium hydroxide |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220511990.5U CN216970719U (en) | 2022-03-10 | 2022-03-10 | Storage device of battery-grade lithium hydroxide |
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| CN216970719U true CN216970719U (en) | 2022-07-15 |
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| CN202220511990.5U Active CN216970719U (en) | 2022-03-10 | 2022-03-10 | Storage device of battery-grade lithium hydroxide |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115352767A (en) * | 2022-08-11 | 2022-11-18 | 湖北新华光信息材料有限公司 | Storage device of deliquescent raw materials |
| CN118220699A (en) * | 2024-05-27 | 2024-06-21 | 新疆克拉玛依市荣昌有限责任公司 | Anti-deformation diesel oil storage tank based on air energy heating |
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2022
- 2022-03-10 CN CN202220511990.5U patent/CN216970719U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115352767A (en) * | 2022-08-11 | 2022-11-18 | 湖北新华光信息材料有限公司 | Storage device of deliquescent raw materials |
| CN118220699A (en) * | 2024-05-27 | 2024-06-21 | 新疆克拉玛依市荣昌有限责任公司 | Anti-deformation diesel oil storage tank based on air energy heating |
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