CN208320044U - A kind of feed system of lithium hexafluoro phosphate crystallizer - Google Patents
A kind of feed system of lithium hexafluoro phosphate crystallizer Download PDFInfo
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- CN208320044U CN208320044U CN201820584135.0U CN201820584135U CN208320044U CN 208320044 U CN208320044 U CN 208320044U CN 201820584135 U CN201820584135 U CN 201820584135U CN 208320044 U CN208320044 U CN 208320044U
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- mother liquor
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- crystallization
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Abstract
The utility model discloses a kind of feed systems of lithium hexafluoro phosphate crystallizer, including mother liquor to pre-process tank, crystallizer, filter device；Mother liquor pretreatment tank top is provided with mother liquor feeding inlet, circulation feeding inlet, thermometer, and mother liquor pretreatment pot bottom is provided with mother liquor discharge port, and it is double layers of tank body that mother liquor, which pre-processes tank, is provided with heat-exchange device in tank body；The crystallizer is provided with crystallization feed inlet, crystallization discharge port, and crystallization feed inlet pre-processes tank with mother liquor by feed pipe and is connected, and feed pipe is provided with feed pump, regulating valve, flowmeter, and crystallization discharge port is connected with filter device；The filter device is provided with filtrate outlet, and filtrate outlet is connected by circulating line with circulation feeding inlet, and circulating line is provided with circulating pump.The utility model has the following beneficial effects: it is simple and reasonable, facilitate the temperature control of control lithium hexafluoro phosphate crystallizer charging, reduces the crystallization time of lithium hexafluoro phosphate, improve production capacity.
Description
Technical field
The utility model relates to crystallizer apparatus field, especially a kind of feed system of lithium hexafluoro phosphate crystallizer.
Background technique
The industrial preparative method of lithium hexafluoro phosphate has wet process, dry method and solvent method, and wherein solvent method is needed to hexafluorophosphoric acid
The mother liquor of lithium is crystallized, is dried, so that lithium hexafluoro phosphate product be made.The feed system market of the crystallizer of lithium hexafluoro phosphate
On rarely have research, this just constrain lithium hexafluoro phosphate crystallization efficiency.
Summary of the invention
The purpose of this utility model, which is that, overcomes above-mentioned deficiency, provides a kind of charging system of lithium hexafluoro phosphate crystallizer
System.
In order to achieve the above objectives, the utility model is implemented according to following technical scheme:
A kind of feed system of lithium hexafluoro phosphate crystallizer, including mother liquor pre-process tank, crystallizer, filter device；It is described
Mother liquor pretreatment tank top is provided with mother liquor feeding inlet, circulation feeding inlet, thermometer, and mother liquor pretreatment pot bottom is provided with mother liquor
Discharge port, the tank body that mother liquor pre-processes tank is that double layers of tank body with dissection is arranged, and is provided with heat-exchange device in tank body；The knot
Brilliant device is provided with crystallization feed inlet, crystallization discharge port, and crystallization feed inlet pre-processes tank with mother liquor by feed pipe and is connected, into
Pipe material is provided with feed pump, regulating valve, flowmeter, and crystallization discharge port is connected with filter device；The filter device setting
There is filtrate outlet, filtrate outlet is connected by circulating line with circulation feeding inlet, and circulating line is provided with circulating pump.
Further, the heat-exchange device is connected with the tank body interlayer of mother liquor pretreatment tank.
Further, the heat-exchange device is helix tube.
Further, the heat-exchange device is the horizontal helix tube being laid with that multilayer is connected together.
Further, the ratio of height to diameter of the mother liquor pretreatment tank is not less than 3 to 1.
The mother liquor pretreatment tank of the utility model carries out Temperature pre-treatment to lithium hexafluoro phosphate mother liquor, facilitates later crystallization fast
Degree.The utility model has the following beneficial effects: it is simple and reasonable, facilitate the temperature control of control lithium hexafluoro phosphate crystallizer charging
System, reduces the crystallization time of lithium hexafluoro phosphate, improves production capacity.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is heat-exchange device another kind structural schematic diagram.
Appended drawing reference: 1, mother liquor feeding inlet, 2, thermometer, 3, mother liquor pretreatment tank, 4, heat-exchange device, 5, feed pipe
Road, 6, feed pump, 7, regulating valve, 8, flowmeter, 9, crystallizer, 10, filter device, 11, circulating line, 12, circulating pump, 13,
Recycle feeding inlet.
Specific embodiment
The utility model will be further described below with reference to the accompanying drawings and specific embodiments, in the signal of this utility model
Property embodiment and explanation be used to explain the utility model, but be not intended to limit the scope of the present invention.
A kind of feed system of lithium hexafluoro phosphate crystallizer as shown in Figure 1, including mother liquor pretreatment tank 3, crystallizer 9,
Filter device 10；Mother liquor feeding inlet 1, circulation feeding inlet 13, thermometer 2 are provided at the top of the mother liquor pretreatment tank 3, mother liquor is pre-
3 bottom of process tank is provided with mother liquor discharge port, and it is double layers of tank body that mother liquor, which pre-processes tank, and the interlayer among double layers of tank body is provided with cold
Matchmaker, double layers of tank body are provided with the entrance of refrigerant, and heat-exchange device 4 is provided in tank body, and heat-exchange device 4 is fixed in tank body
Wall；The crystallizer 9 is provided with crystallization feed inlet, crystallization discharge port, and crystallization feed inlet is pre-processed by feed pipe 5 and mother liquor
Tank 3 is connected, and feed pipe 5 is provided with feed pump 6, regulating valve 7, flowmeter 8, and crystallization discharge port is connected with filter device 10
It connects；The filter device is provided with filtrate outlet, and filtrate outlet is connected by circulating line 11 with circulation feeding inlet 13,
Circulating line is provided with circulating pump 12.Heat-exchange device 4 is connected with outer layer tank body, refrigerant and heat-exchange device in double layers of tank body
Interior refrigerant is connected, and heat-exchange device 4 is helix tube, as shown in Figure 1；The heat-exchange device 4 may be arranged as multilayer
The horizontal helix tube being laid with of series connection together, as shown in Figure 2.The ratio of height to diameter that mother liquor pre-processes tank 3 is not less than 3 to 1.
When utility model works, lithium hexafluoro phosphate mother liquor is passed through in pretreatment tank and carries out Temperature pre-treatment, is entered back into
Crystallizer accelerates its crystallization rate.After the completion of crystallization, paste lithium hexafluoro phosphate is filtered in filter device, will be filtered
Filtrate afterwards is pumped into mother liquor pretreatment box again and carries out circular treatment.
The limitation that the technical solution of the utility model is not limited to the above specific embodiments, all skills according to the present utility model
The technology deformation that art scheme is made, each falls within the protection scope of the utility model.
Claims (5)
1. a kind of feed system of lithium hexafluoro phosphate crystallizer, it is characterised in that: pre-process tank, crystallizer, filtering including mother liquor
Device；Mother liquor pretreatment tank top is provided with mother liquor feeding inlet, circulation feeding inlet, thermometer, and mother liquor pre-processes pot bottom
It is provided with mother liquor discharge port, the tank body that mother liquor pre-processes tank is that double layers of tank body with dissection is arranged, and is provided with heat exchange in tank body
Device；The crystallizer is provided with crystallization feed inlet, crystallization discharge port, and crystallization feed inlet is pre-processed by feed pipe and mother liquor
Tank is connected, and feed pipe is provided with feed pump, regulating valve, flowmeter, and crystallization discharge port is connected with filter device；The mistake
Filter device is provided with filtrate outlet, and filtrate outlet is connected by circulating line with circulation feeding inlet, circulating line setting
There is circulating pump.
2. a kind of feed system of lithium hexafluoro phosphate crystallizer according to claim 1, it is characterised in that: the heat exchange
Device is connected with the tank body interlayer of mother liquor pretreatment tank.
3. a kind of feed system of lithium hexafluoro phosphate crystallizer according to claim 2, it is characterised in that: the heat exchange
Device is helix tube.
4. a kind of feed system of lithium hexafluoro phosphate crystallizer according to claim 2, it is characterised in that: the heat exchange
Device is the horizontal helix tube being laid with that multilayer is connected together.
5. a kind of feed system of lithium hexafluoro phosphate crystallizer according to claim 1, it is characterised in that: the mother liquor is pre-
The ratio of height to diameter of process tank is not less than 3 to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820584135.0U CN208320044U (en) | 2018-04-24 | 2018-04-24 | A kind of feed system of lithium hexafluoro phosphate crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820584135.0U CN208320044U (en) | 2018-04-24 | 2018-04-24 | A kind of feed system of lithium hexafluoro phosphate crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208320044U true CN208320044U (en) | 2019-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820584135.0U Active CN208320044U (en) | 2018-04-24 | 2018-04-24 | A kind of feed system of lithium hexafluoro phosphate crystallizer |
Country Status (1)
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| CN (1) | CN208320044U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112850670A (en) * | 2020-12-30 | 2021-05-28 | 徐兴碧 | Production device and method of phosphorus pentafluoride |
| CN114436779A (en) * | 2020-10-30 | 2022-05-06 | 中国石油化工股份有限公司 | Purification device of 1,4-cyclohexanedimethanol trans isomer and use method thereof |
-
2018
- 2018-04-24 CN CN201820584135.0U patent/CN208320044U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114436779A (en) * | 2020-10-30 | 2022-05-06 | 中国石油化工股份有限公司 | Purification device of 1,4-cyclohexanedimethanol trans isomer and use method thereof |
| CN114436779B (en) * | 2020-10-30 | 2024-04-12 | 中国石油化工股份有限公司 | Purification device for trans-isomer of 1,4-cyclohexanedimethanol and application method |
| CN112850670A (en) * | 2020-12-30 | 2021-05-28 | 徐兴碧 | Production device and method of phosphorus pentafluoride |
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