CN202181215U - Device synthesizing lithium hexaflourophosphate - Google Patents
Device synthesizing lithium hexaflourophosphate Download PDFInfo
- Publication number
- CN202181215U CN202181215U CN2011202323273U CN201120232327U CN202181215U CN 202181215 U CN202181215 U CN 202181215U CN 2011202323273 U CN2011202323273 U CN 2011202323273U CN 201120232327 U CN201120232327 U CN 201120232327U CN 202181215 U CN202181215 U CN 202181215U
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- Prior art keywords
- hexafluoro phosphate
- lithium hexafluoro
- reactor body
- synthetic lithium
- gas
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Abstract
A device synthesizing lithium hexaflourophosphate comprises a reaction vessel body (1), wherein a material inlet (3) is formed at the upper part of the reaction vessel body (1); a material outlet (4) is formed at the lower part of the reaction vessel body (1); a gas inlet (2) is also formed on the reaction vessel body (1); the outlet end of a gas inlet pipe (6) extends into the reaction vessel body (1) through the gas inlet (2), and is communicated with a hermetically sealed voltage-stabilized bin (7); more than one gas stirring pipe (8) is communicated with the outer wall of the voltage-stabilized bin (7); and more than one gas hole is formed on the pipe wall of the gas stirring pipe (8). As a gas stirring method is adopted, the device synthesizing lithium hexaflourophosphate provided by the utility model has the advantages that the stirring efficiency is high; pipeline blockage can be avoided effectively; and gas-liquid reaction efficiency is improved. The inner lining material of the device has high corrosion resistance; and the quality of the finished product is stable.
Description
Technical field
The utility model relates to a kind of device of synthetic lithium hexafluoro phosphate, belongs to the reactor technology field.
Background technology
Lithium hexafluoro phosphate (LiPF
6) be a kind of main electrolyte lithium salt of making lithium ion battery, be widely used commercial.The existing device that is used for synthetic lithium hexafluoro phosphate adopts the mechanical stirring mode, and churned mechanically stirring efficiency is not high, causes the crystal blocking pipe of constantly separating out in the production process, reduces gas liquid reaction efficient, and has increased the cost of clearing of pipeline.Mechanical stirring device also receives the corrosion of reactor drum inner acidic material easily, after the connecting portion of mechanical stirring device and reactor wall is corroded, causes the accident of gas leakage easily.Synthetic lithium hexafluoro phosphate (LiPF
6) technology generally adopt anhydrous hydrogen fluoride as reaction solvent, acidic substance such as hydrogen fluoride solvent and byproduct hydrogen chloride are very strong to the corrodibility of reactor wall, the erosion resistance of reactor drum required very harsh.The existing inner lining material that is used for the device of synthetic lithium hexafluoro phosphate is generally selected 316L or Monel metal for use; Above-mentioned materials has stronger corrosion resistance in a short time; But still can receive corrosion to a certain degree through life-time service, the metals ion that causes lithium hexafluoro phosphate is higher and influence final product quality.
Summary of the invention
The purpose of the utility model is that the mechanical stirring mode efficient that the existing device that is used for synthetic lithium hexafluoro phosphate exists is not high in order to overcome, pipeline easy blocking, gas liquid reaction efficient are low; And the shortcomings and deficiencies that the inner lining material erosion resistance of device is strong, influence final product quality; A kind of device that is used for synthetic lithium hexafluoro phosphate is provided; Adopt the gas stirring mode, stirring efficiency is high, can effectively prevent line clogging and improve gas liquid reaction efficient; And the inner lining material erosion resistance of device is strong, and final product quality is stable.
For realizing that the technical scheme that the utility model goal of the invention adopts is:
A kind of device of synthetic lithium hexafluoro phosphate; Comprise reactor body, the top of said reactor body is provided with material inlet, and the bottom is provided with material outlet; Also be provided with inlet mouth on the outer wall of said reactor body; Said device also comprises inlet pipe, and the outlet side of said inlet pipe is in inlet mouth stretches into reactor body, and the outlet side of said inlet pipe also is communicated with Packed pressure-stabilizing bin; Be communicated with the gas stirring pipe more than on the outer wall of said pressure-stabilizing bin, have more than one pore on the tube wall of said gas stirring pipe.
A kind of device of synthetic lithium hexafluoro phosphate, the perforate direction of a plurality of pores on the said gas stirring pipe is different.
A kind of device of synthetic lithium hexafluoro phosphate, said gas stirring pipe is 2,4,6 or 8.
A kind of device of synthetic lithium hexafluoro phosphate, the outlet side of said inlet pipe is positioned at the bottom of reactor body inner chamber.
A kind of device of synthetic lithium hexafluoro phosphate, the bottom of said pressure-stabilizing bin is provided with opening, and said open communication is with externally threaded bottleneck, and said pressure-stabilizing bin also comprises the following capping that has IT, and the said IT of capping down screws with the outside screw of said bottleneck mutually.
A kind of device of synthetic lithium hexafluoro phosphate also is provided with two chucks on the outer wall of said reactor body, said two chucks connect chilled water import and chilled water outlet respectively.
A kind of device of synthetic lithium hexafluoro phosphate, the top of said reactor body also is provided with access hole, and said inlet mouth is located in the access hole, and said inlet mouth is fixedly connected with access hole through ring flange.
A kind of device of synthetic lithium hexafluoro phosphate, the top of said reactor body also is provided with Waste gas outlet.
A kind of device of synthetic lithium hexafluoro phosphate, the inwall of said reactor body scribbles the polytetrafluoroethylene coating.
A kind of device of synthetic lithium hexafluoro phosphate, the thickness of said polytetrafluoroethylene coating are 12～18 microns.
Compared with prior art, the characteristics that the utlity model has are:
1. device adopts the gas stirring mode, has effectively promoted liquid agitation efficient, prevents that pipeline is interior owing to crystal is separated out the obstruction that causes, has improved gas liquid reaction efficient, and has reduced the cost of clearing of pipeline.
2. device adopts the gas stirring mode, avoids occurring that mechanical stirring device is corroded and the problem of leaking.
3. device inner-wall spraying erosion resistance very strong polytetrafluoroethylene coating can effectively be resisted acidic substance in the production process to corrosion on Equipment, eliminates the higher problem of metals ion in the phosphofluoric acid crystalline lithium that causes because of corrosion.
Description of drawings
Fig. 1 is the structural representation of the device of the synthetic lithium hexafluoro phosphate of the utility model.
Among the figure: reactor body 1, inlet mouth 2, material inlet 3, material outlet 4, Waste gas outlet 5, inlet pipe 6, pressure-stabilizing bin 7, gas stirring pipe 8, following capping 9, chilled water import 10, chilled water outlet 11, access hole 12.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
As shown in Figure 1, the device of the synthetic lithium hexafluoro phosphate that the utility model provides comprises reactor body 1 and gas stirring device.Reactor body 1 is the hermetic cavity body, and its top is provided with material inlet 3, and the bottom is provided with material outlet 4, is respectively applied for putting into and taking out of material.Gas stirring device comprises inlet pipe 6, pressure-stabilizing bin 7 and gas stirring pipe 8.The outer wall of reactor body 1 is provided with inlet mouth 2, and inlet pipe 6 is used for input high pressure gas in reactor body 1 in inlet mouth 2 stretches into reactor body 1.The outlet side that inlet pipe 6 is positioned at reactor body 1 is communicated with pressure-stabilizing bin 7.Pressure-stabilizing bin 7 is the warehouse of a sealing, in pressure-stabilizing bin 7, temporarily stores and keeps higher air pressure from the high pressure gas of inlet pipe 6 input.Be communicated with one or more gas stirring pipe 8 on the outer wall of pressure-stabilizing bin 7; Have one or more pores on the tube wall of each gas stirring pipe 8; High pressure gas in the pressure-stabilizing bin 7 spray from the pore on the gas stirring pipe 8, and the liquid that drives in the reactor body 1 stirs, and accomplishes the gas stirring effect.
For guaranteeing the gas stirring effect; Preferably the outlet side of inlet pipe 6 is located at the bottom of the inner chamber of reactor body 1; Make pressure-stabilizing bin 7 that the outlet side of inlet pipe 6 connects and gas stirring pipe 8 also be positioned at the bottom of reactor body 1 inner chamber; Thereby make the bottom upwards ejection of high pressure gas from reactor body 1, the liquid that drives in the reactor body 1 stirs, and stirs the dead angle to eliminate, increases the liquid agitation scope.A plurality of pores on the gas stirring pipe 8 preferably are set to different perforate directions; Make gas from the different directions ejection of gas stirring pipe 8 in reactor body 1; Form spatial, omnibearing stirring action, and help forming liquid vortex, the enhance liquid mixing effect.For making gas stirring stepless action in reactor drum, the quantity of gas stirring pipe 8 can be set to 2,4,6 or 8, and radially is symmetrically distributed.
The device of the synthetic lithium hexafluoro phosphate that the utility model provides adopts the gas stirring mode; Effectively promoted liquid agitation efficient; Avoided crystal to separate out the problem of the line clogging that causes; Improve gas liquid reaction efficient, avoid the deep-etching effect of mechanical stirring device being caused the problem of leakage simultaneously owing to acidic substance.
The device of the synthetic lithium hexafluoro phosphate that the utility model provides for ease of maintenance and the cleaning to pressure-stabilizing bin 7, can also be set to openable structure with pressure-stabilizing bin 7.Bottom at pressure-stabilizing bin 7 is provided with opening, and open communication is with externally threaded bottleneck, and the following capping 9 that setting matches with bottleneck, have IT, and following capping 9 screws after on the bottleneck, and pressure-stabilizing bin 7 is realized sealing.
The device of the synthetic lithium hexafluoro phosphate that the utility model provides can also be provided with Waste gas outlet 5 on the top of reactor body 1, be used for being emitted on the waste gas such as hydrogenchloride that the process of synthetic lithium hexafluoro phosphate produces.Two chucks can also be set on the outer wall of reactor body 1, connect chilled water import 10 and chilled water outlet 11 respectively, what be used for synthetic lithium hexafluoro phosphate process needs carries out the refrigerative operation to reactor drum.
The device of the synthetic lithium hexafluoro phosphate that the utility model provides can also be provided with access hole 12 at the top of reactor body 1, with convenient maintenance and cleaning to gas stirring device.Be the opening of minimizing reactor body 1, and the layout that makes things convenient for structure, can inlet mouth 2 be located in the maintenance 12, inlet mouth 2 is fixedly connected with maintenance 12 through ring flange.
The device of the synthetic lithium hexafluoro phosphate that the utility model provides can also be in the inner-wall spraying polytetrafluoroethylene coating of reactor body 1, and the thickness of polytetrafluoroethylene coating can be 12～18 microns.Polytetrafluoroethylene is a kind of have good erosion resistance and stable on heating material; After the inner-wall spraying polytetrafluoroethylene coating of reactor body 1; Can effectively resist the deep-etching effect of acidic substance to wall; The higher problem of metals ion in the phosphofluoric acid crystalline lithium that elimination causes because of corrosion is guaranteed final product quality.Contrast through device that is coated with the polytetrafluoroethylene coating that the utility model is provided and common stainless steel device is found: the device that is coated with the polytetrafluoroethylene coating that uses the utility model is after one month; The metals ion of synthetic lithium hexafluoro phosphate and other hexafluorophosphate still remains in the 5ppm; And use common stainless steel device after one month; The metals ion of synthetic lithium hexafluoro phosphate and other hexafluorophosphate reaches 15-20ppm; Even higher, have a strong impact on the final product quality of lithium hexafluoro phosphate.
Combine accompanying drawing that the embodiment of the utility model is specified above; But the utility model is not limited to the foregoing description; In the ken that those of ordinary skills possessed, can also make various variations not breaking away under the utility model aim prerequisite.
Claims (10)
1. the device of a synthetic lithium hexafluoro phosphate; Comprise reactor body (1), the top of said reactor body (1) is provided with material inlet (3), and the bottom is provided with material outlet (4); It is characterized in that: also be provided with inlet mouth (2) on the outer wall of said reactor body (1); Said device also comprises inlet pipe (6), and the outlet side of said inlet pipe (6) is in inlet mouth (2) stretches into reactor body (1), and the outlet side of said inlet pipe (6) is communicated with Packed pressure-stabilizing bin (7); Be communicated with the gas stirring pipe (8) more than on the outer wall of said pressure-stabilizing bin (7), have more than one pore on the tube wall of said gas stirring pipe (8).
2. the device of a kind of synthetic lithium hexafluoro phosphate according to claim 1 is characterized in that: the perforate direction difference of a plurality of pores on the said gas stirring pipe (8).
3. the device of a kind of synthetic lithium hexafluoro phosphate according to claim 1 and 2, it is characterized in that: said gas stirring pipe (8) is 2,4,6 or 8.
4. the device of a kind of synthetic lithium hexafluoro phosphate according to claim 1, it is characterized in that: the outlet side of said inlet pipe (6) is positioned at the bottom of reactor body (1) inner chamber.
5. the device of a kind of synthetic lithium hexafluoro phosphate according to claim 1; It is characterized in that: the bottom of said pressure-stabilizing bin (7) is provided with opening; Said open communication is with externally threaded bottleneck; Said pressure-stabilizing bin (7) also comprises the following capping (9) that has IT, and the said IT of capping (9) down screws with the outside screw of said bottleneck mutually.
6. the device of a kind of synthetic lithium hexafluoro phosphate according to claim 1 is characterized in that: also be provided with two chucks on the outer wall of said reactor body (1), said two chucks connect chilled water import (10) and chilled water outlet (11) respectively.
7. the device of a kind of synthetic lithium hexafluoro phosphate according to claim 1; It is characterized in that: the top of said reactor body (1) also is provided with access hole (12); Said inlet mouth (2) is located in the access hole (12), and said inlet mouth (2) is fixedly connected with access hole (12) through ring flange.
8. the device of a kind of synthetic lithium hexafluoro phosphate according to claim 1, it is characterized in that: the top of said reactor body (1) also is provided with Waste gas outlet (5).
9. the device of a kind of synthetic lithium hexafluoro phosphate according to claim 1, it is characterized in that: the inwall of said reactor body (1) scribbles the polytetrafluoroethylene coating.
10. the device of a kind of synthetic lithium hexafluoro phosphate according to claim 9, it is characterized in that: the thickness of said polytetrafluoroethylene coating is 12～18 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202323273U CN202181215U (en) | 2011-06-30 | 2011-06-30 | Device synthesizing lithium hexaflourophosphate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202323273U CN202181215U (en) | 2011-06-30 | 2011-06-30 | Device synthesizing lithium hexaflourophosphate |
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| Publication Number | Publication Date |
|---|---|
| CN202181215U true CN202181215U (en) | 2012-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202323273U Expired - Lifetime CN202181215U (en) | 2011-06-30 | 2011-06-30 | Device synthesizing lithium hexaflourophosphate |
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| CN (1) | CN202181215U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512920A (en) * | 2013-08-01 | 2014-01-15 | 浙江工商大学 | Intelligent electronic nose system based device and method for analyzing quality of lemon tea beverage |
| CN103512795A (en) * | 2013-08-01 | 2014-01-15 | 浙江工商大学 | Intelligent electronic nose system based device and method for analyzing quality of Tie Guanyin beverage |
| CN103513013A (en) * | 2013-08-01 | 2014-01-15 | 浙江工商大学 | Intelligent electronic nose system based device and method for analyzing quality of ice black tea beverage |
| CN103633324A (en) * | 2012-08-27 | 2014-03-12 | 枣庄海帝新能源锂电科技有限公司 | Lithium hexafluorophate material synthesizing apparatus |
| CN109295303A (en) * | 2018-11-22 | 2019-02-01 | 宜昌银钒科技有限公司 | A kind of wet process extracting vanadium from stone coal absorption-desorption tank |
-
2011
- 2011-06-30 CN CN2011202323273U patent/CN202181215U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633324A (en) * | 2012-08-27 | 2014-03-12 | 枣庄海帝新能源锂电科技有限公司 | Lithium hexafluorophate material synthesizing apparatus |
| CN103633324B (en) * | 2012-08-27 | 2016-08-03 | 枣庄海帝新能源锂电科技有限公司 | A kind of lithium hexafluoro phosphate materials synthesis device |
| CN103512920A (en) * | 2013-08-01 | 2014-01-15 | 浙江工商大学 | Intelligent electronic nose system based device and method for analyzing quality of lemon tea beverage |
| CN103512795A (en) * | 2013-08-01 | 2014-01-15 | 浙江工商大学 | Intelligent electronic nose system based device and method for analyzing quality of Tie Guanyin beverage |
| CN103513013A (en) * | 2013-08-01 | 2014-01-15 | 浙江工商大学 | Intelligent electronic nose system based device and method for analyzing quality of ice black tea beverage |
| CN109295303A (en) * | 2018-11-22 | 2019-02-01 | 宜昌银钒科技有限公司 | A kind of wet process extracting vanadium from stone coal absorption-desorption tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 438600 Fengshan City, Huanggang province Luotian County, north of the town of water Yi Road, No. 428 Patentee after: HUBEI HONGYUAN PHARMACEUTICAL TECHNOLOGY CO., LTD. Address before: 438600 Fengshan City, Huanggang province Luotian County, north of the town of water Yi Road, No. 428 Patentee before: Hubei Hongyuan Pharmaceutical Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200826 Address after: 438600 Luotian Economic Development Zone, Hubei, Huanggang Patentee after: Hubei Zhonglan Hongyuan new energy materials Co., Ltd Address before: 438600, No. 428, Yi Bei Road, Fengshan Town, Luotian County, Huanggang, Hubei Patentee before: HUBEI HONGYUAN PHARMACEUTICAL TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120404 |