CN205613075U - Dry ethanol vapor -recovery unit who produces of lithium iron phosphate precursor thick liquids - Google Patents
Dry ethanol vapor -recovery unit who produces of lithium iron phosphate precursor thick liquids Download PDFInfo
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- CN205613075U CN205613075U CN201620337576.1U CN201620337576U CN205613075U CN 205613075 U CN205613075 U CN 205613075U CN 201620337576 U CN201620337576 U CN 201620337576U CN 205613075 U CN205613075 U CN 205613075U
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- ethanol
- pipe bundle
- bundle condenser
- pipeline
- alcohol vapour
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Abstract
The utility model discloses a dry ethanol vapor -recovery unit who produces of lithium iron phosphate precursor thick liquids, including pipe bundle condenser, ethanol condensation storage tank, water pump, coolant tank and liquid nitrogen vaporizer, pipe bundle condenser's ethanol steam inlet connects finished product drying system's ethanol steam outputting pipe way, and pipe bundle condenser's ethanol liquid outlet passes through pipe connection ethanol condensation storage tank, pipe bundle condenser's coolant access & exit is all through pipe connection coolant tank, and sets up ball valve D and water pump on the pipeline between coolant tank's delivery port and pipe bundle condenser's the coolant entry, wherein sets up the liquid nitrogen vaporizer among the coolant tank. The utility model provides an utilize liquid nitrogen vaporization heat absorption to cool down to the cooling water after the pipe bundle condenser heat exchange. Thereby improve ethanol steam condensate effect, reduce the ethanol loss, synthesize the energy consumption that reduces ethanol steam condensate in -process.
Description
Technical field
The utility model relates to a kind of alcohol vapour retracting device, and specifically a kind of ferric lithium phosphate precursor slurry is dried the alcohol vapour retracting device of generation.
Background technology
LiFePO4 (LiFePO4) material of olivine-type, owing to the advantage of its low price, non-environmental-pollution, nonhygroscopic, security and Heat stability is good becomes one of lithium ion anode material most potential at present, paid close attention to by vast scientific research, commercial undertaking.The ball-milling medium generally using in current LiFePO4 synthesis is substantial amounts of organic solvent such as absolute ethyl alcohol, and absolute ethyl alcohol is not involved in chemical reaction, finally need to be dried, to realize separation of solid and liquid.The industrial at present drying mode generally using is the vacuum drying of bipyramid rotary formula.It is long to there is drying time in boulton process, and material is easily agglomerated on block and adhesion barrel wall, the shortcomings such as the organic solvent rate of recovery is not high.
And up-to-date technology is to use bipyramid to be vacuum dried the technology combining with micro-wave vacuum to prepare lithium ion battery LiFePO4The presoma of positive electrode, can produce substantial amounts of alcohol vapour, if these alcohol vapours do not reclaim can cause the substantial amounts of wasting of resources during it is dried.
Utility model content
The purpose of this utility model is the alcohol vapour retracting device providing a kind of ferric lithium phosphate precursor slurry to be dried generation, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of the utility model offer:
A kind of ferric lithium phosphate precursor slurry is dried the alcohol vapour retracting device of generation, including pipe bundle condenser, ethanol condenses storage tank, water pump, cooling water tank and liquid nitrogen vaporizer, the alcohol vapour entrance of described pipe bundle condenser connects the alcohol vapour output channel of finished product drying system, and the ethanol liquid outlet of pipe bundle condenser connects ethanol condensation storage tank by pipeline, the cooling medium gateway of described pipe bundle condenser all connects cooling water tank by pipeline, and ball valve D and water pump are set on the pipeline between the cooling medium entrance of the delivery port of cooling water tank and pipe bundle condenser, wherein cooling water tank arranges liquid nitrogen vaporizer.
As further program of the utility model: arrange ball valve A on the connection pipeline between the ethanol liquid outlet of described pipe bundle condenser and ethanol condensation storage tank.
As further program of the utility model: be all surrounded by adiabator layer on the pipeline between described cooling water tank and pipe bundle condenser.
As further program of the utility model: the gas delivery port of described liquid nitrogen vaporizer connects agglomerating chamber and the finished product drying system of LiFePO 4 material.
As further program of the utility model: described finished product drying system includes bipyramid drying system and microwave drying system.
As further program of the utility model: described ethanol condensation storage tank top by pipeline connect vavuum pump input, and vacuum delivery side of pump break piping connect stainless steel water tank, and vavuum pump input/output terminal connect pipeline be respectively provided with ball valve C.
As further program of the utility model: the bottom of described ethanol condensation storage tank is provided with the ethanol recovery port of ball valve B.
Compared with prior art, the beneficial effects of the utility model are: the utility model proposes and utilize liquid nitrogen vaporization heat absorption to lower the temperature the cooling water after pipe bundle condenser heat exchange.Thus improve alcohol vapour condensation effect, reduce ethanol loss, the comprehensive energy consumption reducing in alcohol vapour condensation process.
Brief description
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, broadly fall into the scope of the utility model protection.
nullRefer to Fig. 1，In the utility model embodiment，A kind of ferric lithium phosphate precursor slurry is dried the alcohol vapour retracting device of generation，Including pipe bundle condenser 1、Ball valve A2、Ethanol condenses storage tank 3、Ball valve B4、Ball valve C5、Vavuum pump 6、Stainless steel water tank 7、Ball valve D8、Water pump 9、Cooling water tank 10、Liquid nitrogen vaporizer 11、Ethanol recovery port 12 and alcohol vapour entrance 13，The alcohol vapour entrance 13 of described pipe bundle condenser 1 connects the alcohol vapour output channel of finished product drying system (bipyramid drying system and microwave drying system)，Thus collect the alcohol vapour volatilizing，And the ethanol liquid outlet of pipe bundle condenser 1 connects ethanol condensation storage tank 3 by pipeline，On connection pipeline between the ethanol liquid outlet of pipe bundle condenser 1 and ethanol condensation storage tank 3, ball valve A2 is set，The cooling medium gateway of described pipe bundle condenser 1 all connects cooling water tank 10 by pipeline，And ball valve D8 and water pump 9 are set on the pipeline between the cooling medium entrance of the delivery port of cooling water tank 10 and pipe bundle condenser 1，By water pump 9 control cooling circulation，Wherein cooling water tank 10 arranges liquid nitrogen vaporizer 11，Because the liquid nitrogen of-195 DEG C vaporescence in liquid nitrogen vaporizer 11 need to absorb heat in a large number，The temperature causing cooling medium in cooling water tank 10 is quickly down to less than 10 DEG C.
All wrap insulation material on pipeline between described cooling water tank 10 and pipe bundle condenser 1 to be incubated.
The gas delivery port of described liquid nitrogen vaporizer 11 connects agglomerating chamber and the finished product drying system of LiFePO 4 material, and finished product drying system includes bipyramid drying system and microwave drying system.
The top of described ethanol condensation storage tank 3 is connected the input of vavuum pump 6 by pipeline, and the output of vavuum pump 6 break piping connect stainless steel water tank 7, and the pipeline that the input/output terminal of vavuum pump 6 connects is respectively provided with ball valve C5, low pressure in ensureing ethanol condensation storage tank 3 by vavuum pump 6, moisture can be evaporated, it is then fed to stainless steel water tank 7 is collected, to improve the degree of purity of ethanol in ethanol condensation storage tank 3.
The bottom of described ethanol condensation storage tank 3 is provided with the ethanol recovery port 12 of ball valve B4.
Operation principle of the present utility model is:
Owing in LiFePO 4 material, iron is divalence, it is both needed to use nitrogen in sintering and finished product dry run and makees protective gas.The storage of nitrogen and transport are all carried out with liquid nitrogen form, then nitrogen is both needed to vaporization in entering kiln or drying machine, and vaporescence need to absorb substantial amounts of heat.The utility model proposes and utilize liquid nitrogen vaporization heat absorption to lower the temperature the cooling water after pipe bundle condenser 1 heat exchange.Thus improve alcohol vapour condensation effect, reduce ethanol loss, the comprehensive energy consumption reducing in alcohol vapour condensation process.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, the utility model can be realized in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that include all changes falling in the implication of equivalency and scope of claim in the utility model.Any reference in claim should be considered as limiting involved claim.
In addition, should be understood, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should be using specification as an entirety, and the technical scheme in each embodiment also can form, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that.
Claims (7)
1. a ferric lithium phosphate precursor slurry is dried the alcohol vapour retracting device of generation, including pipe bundle condenser, ethanol condenses storage tank, water pump, cooling water tank and liquid nitrogen vaporizer, it is characterized in that, the alcohol vapour entrance of described pipe bundle condenser connects the alcohol vapour output channel of finished product drying system, and the ethanol liquid outlet of pipe bundle condenser connects ethanol condensation storage tank by pipeline, the cooling medium gateway of described pipe bundle condenser all connects cooling water tank by pipeline, and ball valve D and water pump are set on the pipeline between the cooling medium entrance of the delivery port of cooling water tank and pipe bundle condenser, wherein cooling water tank arranges liquid nitrogen vaporizer.
2. a kind of ferric lithium phosphate precursor slurry according to claim 1 is dried the alcohol vapour retracting device of generation, it is characterised in that arrange ball valve A on the connection pipeline between the ethanol liquid outlet of described pipe bundle condenser and ethanol condensation storage tank.
3. a kind of ferric lithium phosphate precursor slurry according to claim 1 is dried the alcohol vapour retracting device of generation, it is characterised in that be all surrounded by adiabator layer on the pipeline between described cooling water tank and pipe bundle condenser.
4. a kind of ferric lithium phosphate precursor slurry according to claim 1 is dried the alcohol vapour retracting device of generation, it is characterised in that the gas delivery port of described liquid nitrogen vaporizer connects agglomerating chamber and the finished product drying system of LiFePO 4 material.
5. a kind of ferric lithium phosphate precursor slurry according to claim 1 or 4 is dried the alcohol vapour retracting device of generation, it is characterised in that described finished product drying system includes bipyramid drying system and microwave drying system.
6. a kind of ferric lithium phosphate precursor slurry according to claim 1 is dried the alcohol vapour retracting device of generation, it is characterized in that, the top of described ethanol condensation storage tank is connected the input of vavuum pump by pipeline, and vacuum delivery side of pump break piping connect stainless steel water tank, and vavuum pump input/output terminal connect pipeline be respectively provided with ball valve C.
7. a kind of ferric lithium phosphate precursor slurry according to claim 1 or 6 is dried the alcohol vapour retracting device of generation, it is characterised in that the bottom of described ethanol condensation storage tank is provided with the ethanol recovery port of ball valve B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620337576.1U CN205613075U (en) | 2016-04-21 | 2016-04-21 | Dry ethanol vapor -recovery unit who produces of lithium iron phosphate precursor thick liquids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620337576.1U CN205613075U (en) | 2016-04-21 | 2016-04-21 | Dry ethanol vapor -recovery unit who produces of lithium iron phosphate precursor thick liquids |
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| Publication Number | Publication Date |
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| CN205613075U true CN205613075U (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620337576.1U Expired - Fee Related CN205613075U (en) | 2016-04-21 | 2016-04-21 | Dry ethanol vapor -recovery unit who produces of lithium iron phosphate precursor thick liquids |
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| CN (1) | CN205613075U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682853A (en) * | 2018-04-24 | 2018-10-19 | 江西省金锂科技股份有限公司 | The preparation method of LiFePO4 and by its lithium iron phosphate positive material obtained |
-
2016
- 2016-04-21 CN CN201620337576.1U patent/CN205613075U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682853A (en) * | 2018-04-24 | 2018-10-19 | 江西省金锂科技股份有限公司 | The preparation method of LiFePO4 and by its lithium iron phosphate positive material obtained |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20200421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |