CN202864927U - Reaction device for preparing nanometer iron phosphate - Google Patents
Reaction device for preparing nanometer iron phosphate Download PDFInfo
- Publication number
- CN202864927U CN202864927U CN 201220522949 CN201220522949U CN202864927U CN 202864927 U CN202864927 U CN 202864927U CN 201220522949 CN201220522949 CN 201220522949 CN 201220522949 U CN201220522949 U CN 201220522949U CN 202864927 U CN202864927 U CN 202864927U
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- reaction
- pipe
- reaction kettle
- iron phosphate
- utility
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a reaction device for preparing nanometer iron phosphate. The reaction device comprises a metering pump, and a reaction kettle, wherein the metering pump is used for extracting iron phosphate stock solution; the reaction kettle is connected with the metering pump through a feeding pipe; a high-shear emulsifying machine is arranged inside the reaction kettle; a circulating pipe is arranged at the bottom part of the reaction kettle; a reflux pipe is arranged at the top part; the circulating pipe and the reflux pipe are connected with a high-pressure homogenizer; and the reflux pipe is provided with a liquid outlet pipe. By adopting the reaction device for preparing nanometer iron phosphate provided by the utility model, reaction liquid enters the reaction kettle through the circulating pipe and the reflux pipe again, so as to form a circulating reaction system, by connecting the high-pressure homogenizer outside the reaction kettle, and continuously extracting the reaction liquid inside the reaction kettle; and the coacervated reactant and reaction liquid are homogenized, dispersed, emulsified, and nanocrystallized under the effects of shear effect, void effect and collision effect. The production efficiency is greatly improved.
Description
Technical field
The utility model relates to a kind of reaction unit, especially a kind of reaction unit for preparing nano ferric phosphate.
Background technology
Nano ferric phosphate is the presoma of preparation nano ferric phosphate Lithium positive electrode material, the reaction unit of existing tertiary iron phosphate, raw material enters reactor by volume pump, under stirring, react, in agitation, reaction product tertiary iron phosphate part is reunited, so that nano ferric phosphate production efficiency is low, product is mainly the micron order tertiary iron phosphate.
The utility model content
The purpose of this utility model provides the reaction unit of the high preparation nano ferric phosphate of a kind of production efficiency.
Realize the reaction unit of the preparation nano ferric phosphate of the utility model purpose, comprise for the volume pump that extracts tertiary iron phosphate stoste, by the reactor that feed-pipe links to each other with volume pump, be provided with high-shear emulsion machine in the described reactor; Described reactor bottom is provided with circulation tube, and the top is provided with return line; Described circulation tube is connected high pressure homogenizer with return line; Described return line is provided with drain pipe.
Described circulation tube is provided with pressure switch.
The beneficial effects of the utility model are as follows: the reaction unit of preparation nano ferric phosphate of the present utility model, by connecting high pressure homogenizer in the reactor outside, continuous abstraction reaction still internal-response liquid, make reaction liquid reenter reactor by circulation tube and return line, form the reactive system of a circulation, in this recycle system, after the peripheral reactant of reuniting of reactor enters high pressure homogenizer, in shearing effect, hole effect, under the effect of collision effect, the reactant of reuniting and reaction liquid are by homogeneous, disperse, emulsification, the particle nanometer, this recycle system has solved the problem that reaction product is reunited effectively, can obtain nano-particle product, and greatly improve production efficiency.
Description of drawings
Fig. 1 is the structural representation of the reaction unit of preparation nano ferric phosphate of the present utility model.
Embodiment
Embodiment of the present utility model is as follows: as shown in Figure 1, the reaction unit of preparation nano ferric phosphate of the present utility model, comprise for the volume pump 1 that extracts tertiary iron phosphate stoste, by the reactor 3 that feed-pipe 2 links to each other with volume pump 1, be provided with high-shear emulsion machine 4 in the described reactor 3; Described reactor 3 bottoms are provided with circulation tube 9, and the top is provided with return line 8; Described circulation tube 9 is connected with return line and is connected high pressure homogenizer 6; Described return line 8 is provided with drain pipe 7; Described circulation tube 9 is provided with pressure switch 5.
The principle of work of the reaction unit of preparation nano ferric phosphate of the present utility model is as follows: volume pump 1 extracts tertiary iron phosphate stoste input reactor 3, its inner solution pressure triggers pressure switch 5, connect the power supply of high-shear emulsion machine 4 and high pressure homogenizer 6, both are started.Volume pump 1 extracts and formerly automatically quits work after expecting default numerical value; React complete, reactor 3 internal solutions discharge complete, and pressure switch 5 deenergizations quit work high-shear emulsion machine 4 and high pressure homogenizer 6..
Embodiment recited above is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; design under the spiritual prerequisite not breaking away from the utility model; various distortion and improvement that the common engineering technical personnel in this area make technical solutions of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (2)
1. a reaction unit for preparing nano ferric phosphate is characterized in that: comprise for the volume pump that extracts tertiary iron phosphate stoste, by the reactor that feed-pipe links to each other with volume pump, be provided with high-shear emulsion machine in the described reactor; Described reactor bottom is provided with circulation tube, and the top is provided with return line; Described circulation tube is connected high pressure homogenizer with return line; Described return line is provided with drain pipe.
2. the reaction unit of preparation nano ferric phosphate according to claim 1, it is characterized in that: described circulation tube is provided with pressure switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220522949 CN202864927U (en) | 2012-10-14 | 2012-10-14 | Reaction device for preparing nanometer iron phosphate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220522949 CN202864927U (en) | 2012-10-14 | 2012-10-14 | Reaction device for preparing nanometer iron phosphate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202864927U true CN202864927U (en) | 2013-04-10 |
Family
ID=48031665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220522949 Expired - Lifetime CN202864927U (en) | 2012-10-14 | 2012-10-14 | Reaction device for preparing nanometer iron phosphate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202864927U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103416641A (en) * | 2013-08-07 | 2013-12-04 | 苏州闻达食品配料有限公司 | Automatic production device of compound phosphate |
| CN106816582A (en) * | 2015-11-30 | 2017-06-09 | 比亚迪股份有限公司 | A kind of iron manganese phosphate for lithium class material and preparation method thereof and cell size and positive pole and lithium battery |
-
2012
- 2012-10-14 CN CN 201220522949 patent/CN202864927U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103416641A (en) * | 2013-08-07 | 2013-12-04 | 苏州闻达食品配料有限公司 | Automatic production device of compound phosphate |
| CN103416641B (en) * | 2013-08-07 | 2014-06-25 | 苏州闻达食品配料有限公司 | Automatic production device of compound phosphate |
| CN106816582A (en) * | 2015-11-30 | 2017-06-09 | 比亚迪股份有限公司 | A kind of iron manganese phosphate for lithium class material and preparation method thereof and cell size and positive pole and lithium battery |
| CN106816582B (en) * | 2015-11-30 | 2019-08-13 | 比亚迪股份有限公司 | A kind of iron manganese phosphate for lithium class material and preparation method thereof and cell size and anode and lithium battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |
|
| CX01 | Expiry of patent term |