CN215626833U - Continuous carbonization device for preparing high-purity lithium carbonate - Google Patents
Continuous carbonization device for preparing high-purity lithium carbonate Download PDFInfo
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- CN215626833U CN215626833U CN202122341399.8U CN202122341399U CN215626833U CN 215626833 U CN215626833 U CN 215626833U CN 202122341399 U CN202122341399 U CN 202122341399U CN 215626833 U CN215626833 U CN 215626833U
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Abstract
The utility model discloses a device for preparing continuous carbonization of high-purity lithium carbonate, including admission line, charge-in pipeline and carbonators, the carbonators includes carbonators one, carbonators three and carbonators two, charge-in pipeline is connected with the feed inlet on carbonators one, carbonators three and carbonators two respectively, admission line is connected with the gas inlet of gaseous phase buffer tank, the gas outlet of gaseous phase buffer tank is connected through the gas inlet of carbonators one and two bottom lateral walls of carbonators respectively through the pipeline, the gas outlet at the top of carbonators one and two is connected with the gas inlet of carbonators three bottom lateral walls through the tandem pipe, the bottom side of carbonators respectively installs a agitator; design into cylindrical carbonators with current carbonization reation kettle to set up agitating unit at the carbonators side, carry out circulation cooling to the material in the slumping tower through the heat exchanger simultaneously, improved the carbonization effect of lithium carbonate, through adopting 2 mode of cluster 1 with the carbonators, improve carbon dioxide's utilization ratio.
Description
Technical Field
The utility model relates to the technical field of lithium carbonate production equipment, in particular to a continuous carbonization device for preparing high-purity lithium carbonate.
Background
With the rapid development of low-carbon economy such as mobile communication equipment and green new energy industry, the novel lithium power automobile industry rises rapidly, and the demand for lithium batteries is larger and larger. Lithium cobaltate, lithium manganate and lithium nickelate are the first choice of the positive electrode material of the lithium ion storage battery due to the advantages of good thermal stability, cyclicity, safety, environmental protection and the like. Lithium carbonate is used as a key raw material for producing lithium cobaltate, lithium manganate and lithium nickelate, and the demand is increasing day by day. Meanwhile, the lithium carbonate is applied to semiconductors, ceramics, televisions, medicines, atomic energy industry, chemical analysis and cement flocculants. However, lithium cobaltate, lithium manganate and lithium nickelate are expensive, and the cost reduction of the production cost of lithium carbonate can indirectly reduce the cost of the three battery materials and the cost of other application fields related to lithium carbonate.
Traditional lithium carbonate carbonization technology adopts the mode of batching in batches, add a certain amount of pure water earlier in the carbonization retort and add the lithium carbonate solid mixing of certain proportion into thick liquids promptly, the rethread carbon dioxide reacts with it, confirm the reaction terminal point through the mode of the lithium oxide concentration in reaction time and the sample detection solution, filter the lithium carbonate that does not react completely through filter equipment again and obtain saturated lithium bicarbonate solution, adopt above-mentioned mode, the utilization ratio of carbon dioxide is not high, lead to greenhouse gas emission easily, the quality and the effect of carbonization reaction are confirmed to difficult control simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a continuous carbonization device for preparing high-purity lithium carbonate.
The technical purpose of the utility model is realized by the following technical scheme:
a device for preparing continuous carbonization of high-purity lithium carbonate comprises an air inlet pipeline, a feed pipeline and a carbonization tower, wherein the carbonization tower comprises a first carbonization tower, a third carbonization tower and a second carbonization tower, the feed pipeline is respectively connected with feed inlets on the first carbonization tower, the third carbonization tower and the second carbonization tower, the air inlet pipeline is connected with a gas inlet of a gas phase buffer tank, a gas outlet of the gas phase buffer tank is respectively connected with gas inlets on side walls at the bottoms of the first carbonization tower and the second carbonization tower through pipelines, gas outlets at the tops of the first carbonization tower and the second carbonization tower are connected with gas inlets on side walls at the bottoms of the three carbonizations tower through series pipes, a gas outlet at the top of the third carbonization tower is connected with a tail gas discharge pipe, stirrers are respectively installed at side edges at the bottoms of the first carbonization tower, the third carbonization tower and the discharge pipe at the bottoms of the second carbonization tower, after being connected in parallel, the first carbonization tower and the second carbonization tower are connected in series with the third carbonization tower, so that carbon dioxide can be better recycled.
Further, carbonization tower one, carbonization tower two and carbonization tower three respectively are furnished with a heat exchanger, and every heat exchanger is connected with the discharge gate of the carbonization tower bottom that corresponds through a circulating pump, and the export of every heat exchanger is connected with the circulation feed inlet of the carbonization tower that corresponds, and every heat exchanger passes through the cooling tube and the coolant liquid hydraulic pump is connected with the coolant liquid buffer tank, the coolant liquid buffer tank advances the pipe input coolant liquid through the coolant liquid, carries out the thermal cycle cooling through the heat exchanger to the material in the carbonization tower, improves the carbonization effect of lithium carbonate.
Furthermore, the discharge pipe is connected with a pipeline between the circulating pump and the heat exchanger.
Furthermore, the first carbonization tower, the second carbonization tower and the third carbonization tower all adopt cylindrical structures, so that the structure of the carbonization tower is optimized, and the utilization rate of carbon dioxide can be improved.
Furthermore, wire mesh foam eliminators are arranged in the first carbonization tower, the second carbonization tower and the third carbonization tower, and are used for removing foams on the surfaces of materials in the carbonization towers.
In conclusion, the utility model has the following beneficial effects: according to the utility model, the existing carbonization reaction kettle is designed into a cylindrical carbonization tower, the stirring device is arranged on the side edge of the carbonization tower, and meanwhile, the heat exchanger is used for circularly cooling the materials in the slumping tower, so that the carbonization effect of lithium carbonate is improved, and the carbonization tower adopts a mode of 2 strings of 1, so that the utilization rate of carbon dioxide is improved, and the emission of greenhouse gases is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure, 1, an air inlet pipeline; 2. a cooling liquid inlet pipe; 3. a feed conduit; 4. a gas phase buffer tank; 5. a coolant buffer tank; 6. a first carbonization tower; 7. a third carbonization tower; 8. a second carbonization tower; 9. A stirrer; 10. a pipe is connected in series; 11. a heat exchanger; 12. a discharge pipe; 13. a tail gas discharge pipe; 14. a wire mesh debubbler; 15. a coolant hydraulic pump; 16. and a circulating pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a continuous carbonization apparatus for preparing high purity lithium carbonate comprises a gas inlet pipe 1, a feed pipe 3 and a carbonization tower, wherein the carbonization tower comprises a first carbonization tower 6, a third carbonization tower 7 and a second carbonization tower 8, the feed pipe 3 is respectively connected with feed inlets on the first carbonization tower 6, the third carbonization tower 7 and the second carbonization tower 8, the gas inlet pipe 1 is connected with a gas inlet of a gas phase buffer tank 4, a gas outlet of the gas phase buffer tank 4 is respectively connected with a gas inlet on the bottom side wall of the first carbonization tower 6 and the second carbonization tower 8 through a pipeline, a gas outlet on the top of the first carbonization tower 6 and the second carbonization tower 8 is connected with a gas inlet on the bottom side wall of the third carbonization tower 7 through a serial pipe 10, a gas outlet on the top of the third carbonization tower 7 is connected with a tail gas discharge pipe 13, and a stirrer 9 is respectively arranged on the bottom side edges of the first carbonization tower 6, the third carbonization tower 7 and the second carbonization tower 8, the discharge gate of the first 6, third 7 and second 8 bottoms of the carbonization tower is connected with the discharge pipe 12, and is connected in series with the third 7 after being connected in parallel through the first 6 and second 8 carbonization towers, so that carbon dioxide can be better recycled.
Further, the first 6, second 8 and third 7 carbonizers of carbonizers are respectively provided with a heat exchanger 11, each heat exchanger 11 is connected with the discharge gate of the bottom of the corresponding carbonizer through a circulating pump 16, the export of each heat exchanger 11 is connected with the circulation feed inlet of the corresponding carbonizer, each heat exchanger 11 is connected with coolant buffer tank 5 through cooling tube and coolant hydraulic pump 15, coolant buffer tank 5 enters 2 input coolants through the coolant, and the materials in the carbonizers are cooled down through the heat exchanger in a thermal cycle manner, so that the carbonization effect of lithium carbonate is improved.
Furthermore, the discharge pipe 12 is connected to a line between the circulation pump 16 and the heat exchanger 11.
Furthermore, the first carbonization tower 6, the second carbonization tower 8 and the third carbonization tower 7 are all cylindrical structures, so that the structure of the carbonization towers is optimized, and the utilization rate of carbon dioxide can be improved.
Further, wire mesh foam eliminators 14 are arranged inside the first carbonization tower 6, the second carbonization tower 8 and the third carbonization tower 7, and the wire mesh foam eliminators 14 are used for removing foams on the surfaces of materials inside the carbonization towers.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a device of continuous carbonization of preparation high-purity lithium carbonate, includes admission line (1), feed line (3) and carbonators, its characterized in that: the carbonization tower comprises a first carbonization tower (6), a third carbonization tower (7) and a second carbonization tower (8), wherein a feed pipe (3) is respectively connected with feed inlets on the first carbonization tower (6), the third carbonization tower (7) and the second carbonization tower (8), a gas inlet of a gas-phase buffer tank (4) is connected with a gas outlet of the gas-phase buffer tank (1), a gas outlet of the gas-phase buffer tank (4) is respectively connected with gas inlets on bottom side walls of the first carbonization tower (6) and the second carbonization tower (8) through pipelines, gas outlets at the tops of the first carbonization tower (6) and the second carbonization tower (8) are connected with a gas inlet on a bottom side wall of the third carbonization tower (7) through a series pipe (10), a gas outlet at the top of the third carbonization tower (7) is connected with a tail gas discharge pipe (13), and a stirrer (9) is respectively installed on bottom side edges of the first carbonization tower (6), the third carbonization tower (7) and the second carbonization tower (8), and discharge holes at the bottoms of the first carbonization tower (6), the third carbonization tower (7) and the second carbonization tower (8) are connected with a discharge pipe (12).
2. The apparatus for continuous carbonization of high purity lithium carbonate according to claim 1, wherein: the carbonization tower I (6), the carbonization tower II (8) and the carbonization tower III (7) are respectively provided with a heat exchanger (11), each heat exchanger (11) is connected with a discharge hole at the bottom of the corresponding carbonization tower through a circulating pump (16), the outlet of each heat exchanger (11) is connected with a circulating feed inlet of the corresponding carbonization tower, each heat exchanger (11) is connected with a cooling liquid buffer tank (5) through a cooling pipe and a cooling liquid hydraulic pump (15), and the cooling liquid buffer tank (5) is filled with cooling liquid through a cooling liquid inlet pipe (2).
3. The apparatus for continuous carbonization of high purity lithium carbonate according to claim 2, wherein: the discharge pipe (12) is connected with a pipeline between the circulating pump (16) and the heat exchanger (11).
4. The apparatus for continuous carbonization of lithium carbonate with high purity according to claim 3, wherein: and the first carbonization tower (6), the second carbonization tower (8) and the third carbonization tower (7) are all in cylindrical structures.
5. The apparatus for continuous carbonization of lithium carbonate with high purity according to claim 4, wherein: and wire mesh foam eliminators (14) are arranged in the first carbonization tower (6), the second carbonization tower (8) and the third carbonization tower (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122341399.8U CN215626833U (en) | 2021-09-27 | 2021-09-27 | Continuous carbonization device for preparing high-purity lithium carbonate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122341399.8U CN215626833U (en) | 2021-09-27 | 2021-09-27 | Continuous carbonization device for preparing high-purity lithium carbonate |
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| Publication Number | Publication Date |
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| CN215626833U true CN215626833U (en) | 2022-01-25 |
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| CN202122341399.8U Active CN215626833U (en) | 2021-09-27 | 2021-09-27 | Continuous carbonization device for preparing high-purity lithium carbonate |
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2021
- 2021-09-27 CN CN202122341399.8U patent/CN215626833U/en active Active
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