CN210602695U - A drying equipment for lithium carbonate production - Google Patents
A drying equipment for lithium carbonate production Download PDFInfo
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- CN210602695U CN210602695U CN201921702956.0U CN201921702956U CN210602695U CN 210602695 U CN210602695 U CN 210602695U CN 201921702956 U CN201921702956 U CN 201921702956U CN 210602695 U CN210602695 U CN 210602695U
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- dust exhaust
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Abstract
The utility model discloses a drying equipment for lithium carbonate production, including microwave dryer and infrared dryer, microwave dryer and infrared dryer pass through transfer passage and connect, the top of microwave dryer set up dust exhaust pipe I, the top of infrared dryer sets up dust exhaust pipe II, dust exhaust pipe I and dust exhaust pipe II interconnect, dust exhaust pipe I sets up the air-blower for the feed end of microwave dryer, and dust exhaust pipe II is connected with the storage jar for the discharge end of infrared dryer; the infrared dryer is provided with a material conveying channel, the top surface of the middle part of the infrared dryer is provided with an infrared temperature sensor, and a probe of the infrared temperature sensor is downwards aligned with the material conveying channel; the infrared temperature sensor is electrically connected with a driving device of the material conveying channel.
Description
Technical Field
The utility model relates to a lithium carbonate production facility technical field, concretely relates to a drying equipment for lithium carbonate production.
Background
Lithium carbonate, which is an important basic lithium salt, is used as a main raw material for preparing other lithium salts. With the continuous and rapid development brought by the technical breakthrough and policy support of new energy automobiles, the demand for lithium carbonate products is continuously increased, and in recent years, the quality requirement for the lithium carbonate products is increasingly increased globally.
In the existing lithium carbonate production process, a cyclone dryer is generally adopted for drying, the temperature of the cyclone dryer is not easy to control, and if raw materials are heated unevenly, the drying effect is not good, and secondary remediation is not available, so that the purity of lithium carbonate finally obtained by drying is not high enough; in addition, the existing dryer is provided with an exhaust fan to absorb hot air and moisture in the dryer, but the exhausted moisture and dust are not recycled, so that the purpose of recycling cannot be achieved, and air pollution and waste of raw materials are caused.
Disclosure of Invention
The utility model discloses aim at solving prior art's defect, provide a drying equipment for lithium carbonate production.
The technical scheme of the utility model as follows:
a drying device for lithium carbonate production comprises a microwave dryer and an infrared dryer, wherein the microwave dryer and the infrared dryer are connected through a conveying channel, a dust exhaust pipe I is arranged at the top of the microwave dryer, a dust exhaust pipe II is arranged at the top of the infrared dryer, the dust exhaust pipe I and the dust exhaust pipe II are connected with each other, an air blower is arranged at the dust exhaust pipe I relative to the feeding end of the microwave dryer, and the dust exhaust pipe II relative to the discharging end of the infrared dryer is connected with a storage tank; the infrared dryer is provided with a material conveying channel, the top surface of the middle part of the infrared dryer is provided with an infrared temperature sensor, and a probe of the infrared temperature sensor is downwards aligned with the material conveying channel; the infrared temperature sensor is electrically connected with a driving device of the material conveying channel.
Microwave dryer set up the conveyer belt I who runs through its feed end and discharge end, material transfer passage in the infrared dryer is for running through the conveyer belt II at infrared dryer both ends, conveyer belt I highly is higher than conveyer belt II, conveyer belt II's feed end is located the below of conveyer belt I discharge end.
The part of the conveyor belt I extending out of the discharge end of the microwave dryer is connected with the part of the conveyor belt II before entering the infrared dryer to form a conveying channel.
And the dust exhaust pipe I and the dust exhaust pipe II are arranged along the feeding direction of the microwave dryer and the infrared dryer.
The beneficial effects of the utility model reside in that:
1. drying equipment earlier carry out primary drying with microwave drying to the lithium carbonate, reuse microwave dryer carries out secondary drying to the lithium carbonate, microwave dryer carries out predrying to the lithium carbonate in other words, infrared desiccator heatable temperature is higher, the heating is more even, remaining lithium bicarbonate can be decomposed, carry out drying once more to the material that has carried out primary drying, can ensure that the drying is abundant, improve the purity of lithium carbonate.
2. Drying equipment, owing to set up the dust removal passageway respectively at microwave dryer and infrared drying machine's top, and the export and the storage jar of dust removal passageway are connected, can deposit stoving in-process exhaust dust moisture in the holding vessel, because the exhaust dust also is the lithium carbonate garrulous end, consequently the material in the holding vessel subsides the back, can regard as the raw materials in the lithium carbonate production to utilize once more, avoided the waste of raw materials and the pollution of dust to the air.
3. Set up infrared temperature sensor at infrared drying machine's top, and transport the automatically controlled connection of passageway with the material, consequently can transport the speed of passageway according to the material temperature adjustment material that infrared temperature sensor detected, not only can avoid not reaching the insufficient material of drying between the preset temperature interval and being discharged drying equipment, can discharge drying equipment as early as possible under the condition that the material has reached abundant drying moreover.
Drawings
Fig. 1 is a schematic structural view of a drying apparatus of the present invention;
FIG. 2 is a schematic diagram of the position relationship between the conveyor belt I and the conveyor belt II according to the present invention;
the numbers and corresponding structure names in the figure are as follows:
the method comprises the following steps of 1-a microwave dryer, 2-an infrared dryer, 3-a conveying channel, 4-dust exhaust pipes I and 5-dust exhaust pipes II and 6-a blower, 7-a storage tank, 8-a conveying belt I and 9-an infrared temperature sensor and 10-a material conveying channel.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The drying equipment for lithium carbonate production shown in fig. 1-2 comprises a microwave dryer 1 and an infrared dryer 2, wherein the microwave dryer and the infrared dryer are connected through a conveying channel 3, a dust exhaust pipe I4 is arranged at the top of the microwave dryer 1, a dust exhaust pipe II5 is arranged at the top of the infrared dryer 2, the bottom surfaces of the dust exhaust pipe I4 and the dust exhaust pipe II5 are respectively provided with dust exhaust holes communicated with the microwave dryer and the infrared dryer, the dust exhaust pipe I4 is connected with a dust exhaust pipe II5, an air blower 6 is arranged at the dust exhaust pipe I4 relative to the feeding end of the microwave dryer 1, and the discharge end of the dust exhaust pipe II5 relative to the infrared dryer 2 is connected with a storage tank 7; the infrared dryer 2 is provided with a material conveying channel 10, the top surface of the middle part of the infrared dryer 2 is provided with an infrared temperature sensor 9, and a probe of the infrared temperature sensor 9 is downwards aligned with the material conveying channel 10; the infrared temperature sensor 9 is electrically connected with a driving device of the material conveying channel 10.
Microwave dryer 1 set up the conveyer belt I8 that runs through its feed end and discharge end, material transfer passage 10 in the infrared dryer 2 is for running through the conveyer belt II at infrared dryer both ends, conveyer belt I8 highly is higher than conveyer belt II, conveyer belt II's feed end is located the below of conveyer belt I8 discharge end.
The part of the conveyor belt I8 extending out of the discharge end of the microwave dryer 1 is connected with the part of the conveyor belt II before entering the infrared dryer 2 to form a conveying channel 3.
The dust exhaust pipe I4 and the dust exhaust pipe II5 are arranged along the feeding direction of the microwave dryer and the infrared dryer.
Drying equipment theory of operation as follows: the feeding end of the conveyor belt I8 is connected with the material storage mechanism, the material storage mechanism continuously feeds materials, the conveyor belt I8 continuously conveys the materials to the direction of the infrared dryer 2 at a preset speed, after the materials reach the discharging end of the conveyor belt I8, freely falls onto a conveyor belt II positioned below the conveyor belt II, the conveyor belt II continuously conveys materials to the discharge end of the infrared dryer, meanwhile, the infrared temperature sensor 9 detects the temperature of the materials on the conveyor belt II, if the temperature of the materials is lower than a preset temperature interval, the electric control system of the driving device of the material conveying channel 10 reduces the speed of the material conveying channel 10, namely the conveyor belt II, increases the passing time of the materials in the infrared dryer 2 to ensure that the materials are fully dried, if the infrared temperature sensor 9 detects that the temperature of the materials is higher than a preset temperature interval, the speed of the conveyor belt II is increased to ensure that the drying efficiency is improved under the condition that the materials are fully dried; in the material drying process, dust and moisture in the microwave dryer 1 and the infrared dryer 2 rise upwards to the dust removal pipe I4 and the dust removal pipe II5 and enter the storage tank 7 under the action of wind power of the blower 6, and the storage tank 7 can be provided with an exhaust and pressure relief structure.
Drying equipment earlier carry out primary drying with microwave drying to the lithium carbonate, reuse microwave dryer carries out secondary drying to the lithium carbonate, microwave dryer carries out predrying to the lithium carbonate in other words, infrared desiccator heatable temperature is higher, the heating is more even, remaining lithium bicarbonate can be decomposed, carry out drying once more to the material that has carried out primary drying, can ensure that the drying is abundant, improve the purity of lithium carbonate.
Drying equipment, owing to set up the dust removal passageway respectively at microwave dryer and infrared drying machine's top, and the export and the storage jar 7 of dust removal passageway are connected, can deposit stoving in-process exhaust dust moisture in storage jar 7, because the exhaust dust also is the lithium carbonate garrulous end, consequently the material in the storage jar 7 subsides the back, can regard as the raw materials reuse in the lithium carbonate production, avoided the waste of raw materials and the pollution of dust to the air.
Set up infrared ray temperature sensor 9 at infrared dryer 2's top, and with material transport passageway 10 automatically controlled connection, consequently can be according to the speed that material temperature adjustment material transport passageway 10 that infrared ray temperature sensor 9 detected, not only can avoid not reaching the insufficient material of drying between the preset temperature interval and being discharged drying equipment, can discharge drying equipment as early as possible under the condition that the material has reached sufficient drying moreover.
Claims (4)
1. The utility model provides a drying equipment for lithium carbonate production which characterized in that: the microwave drying machine is characterized by comprising a microwave drying machine (1) and an infrared drying machine (2), wherein the microwave drying machine and the infrared drying machine are connected through a conveying channel (3), a dust exhaust pipe I (4) is arranged at the top of the microwave drying machine (1), a dust exhaust pipe II (5) is arranged at the top of the infrared drying machine (2), the dust exhaust pipe I (4) is connected with the dust exhaust pipe II (5), an air blower (6) is arranged at the dust exhaust pipe I (4) relative to the feeding end of the microwave drying machine (1), and the dust exhaust pipe II (5) is connected with a storage tank (7) relative to the discharging end of the infrared drying machine (2); the infrared dryer (2) is provided with a material conveying channel (10), the top surface of the middle part of the infrared dryer (2) is provided with an infrared temperature sensor (9), and a probe of the infrared temperature sensor (9) is downwards aligned with the material conveying channel (10); the infrared temperature sensor (9) is electrically connected with a driving device of the material conveying channel (10).
2. The drying apparatus for lithium carbonate production according to claim 1, wherein: microwave dryer (1) set up conveyer belt I (8) of running through its feed end and discharge end, material transfer passage (10) in infrared dryer (2) is for running through the conveyer belt II at infrared dryer both ends, conveyer belt I (8) highly are higher than conveyer belt II, and conveyer belt II's feed end is located the below of conveyer belt I (8) discharge end.
3. The drying apparatus for lithium carbonate production according to claim 2, wherein: the part of the conveyor belt I (8) extending out of the discharge end of the microwave dryer (1) is connected with the part of the conveyor belt II before entering the infrared dryer (2) to form a conveying channel (3).
4. The drying apparatus for lithium carbonate production according to any one of claims 1 to 3, wherein: and the dust exhaust pipe I (4) and the dust exhaust pipe II (5) are arranged along the feeding directions of the microwave dryer and the infrared dryer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921702956.0U CN210602695U (en) | 2019-10-12 | 2019-10-12 | A drying equipment for lithium carbonate production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921702956.0U CN210602695U (en) | 2019-10-12 | 2019-10-12 | A drying equipment for lithium carbonate production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210602695U true CN210602695U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921702956.0U Active CN210602695U (en) | 2019-10-12 | 2019-10-12 | A drying equipment for lithium carbonate production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210602695U (en) |
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2019
- 2019-10-12 CN CN201921702956.0U patent/CN210602695U/en active Active
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