CN206167955U - Spray -drying device of article in middle of production superfine powder form lithium iron phosphate - Google Patents
Spray -drying device of article in middle of production superfine powder form lithium iron phosphate Download PDFInfo
- Publication number
- CN206167955U CN206167955U CN201621191073.4U CN201621191073U CN206167955U CN 206167955 U CN206167955 U CN 206167955U CN 201621191073 U CN201621191073 U CN 201621191073U CN 206167955 U CN206167955 U CN 206167955U
- Authority
- CN
- China
- Prior art keywords
- drying chamber
- drying
- product
- spray
- lifepo4
- Prior art date
- 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.)
- Expired - Fee Related
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- 238000001694 spray drying Methods 0.000 title claims abstract description 19
- 239000000843 powder Substances 0.000 title claims abstract 4
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 title abstract 3
- 238000001035 drying Methods 0.000 claims abstract description 88
- 239000000463 material Substances 0.000 claims abstract description 18
- 229910052493 LiFePO4 Inorganic materials 0.000 claims description 39
- 239000007921 spray Substances 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 16
- 238000005507 spraying Methods 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 238000000889 atomisation Methods 0.000 claims description 4
- 239000008187 granular material Substances 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 claims 10
- 239000012265 solid product Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Battery Electrode And Active Subsutance (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model provides a spray -drying device of article in middle of production superfine powder form lithium iron phosphate which includes: first drying chamber, atomising head, high pressure charging pump, feed jar, air intlet filter, forced draught blower, heater, hot -blast head, first drying chamber material are collected mouthful, switching passageway, second drying chamber, negative electricity polar plate, positive electrode, air outlet filter, go out fan and second drying chamber material and collect mouthful, can be effectively to the drying collection that atomizes of the thick liquid of article in the middle of the superfine powder form lithium iron phosphate.
Description
Technical field
This utility model is related to a kind of spray-drying installation, more particularly, to a kind of production superfines shape iron phosphate
The spray-drying installation of product in the middle of lithium.
Background technology
LiFePO4 is considered as always the most potential positive electrode of power lithium-ion battery, with having extended cycle life,
Safety is good, aboundresources the advantages of.During industrialized production LiFePO4, can first produce one kind and contain superfines
The serosity of product in the middle of the LiFePO4 of shape, then after product in the middle of the LiFePO4 of the superfines shape in serosity are extracted, Jing
Cross calcination processing, you can generate LiFePO4 finished product.It is general using spray during product in the middle of the LiFePO4 for extracting superfines shape
Mist drying device is carried out.But, because product are superfines in the middle of LiFePO4, its granule is even up to Nano grade, typically
Spray-drying installation completely product in the middle of the LiFePO4 of superfines shape can not be proposed completely, have most super
The LiFePO4 centre product of fine powdered are discharged together with the vapor of spraying, the waste of material are not only caused, while also right
Environment causes larger pollution.
Utility model content
The problem existed when being extracted based on product in the middle of the LiFePO4 of superfines shape, the purpose of this utility model is to carry
For a kind of spray-drying installation for producing product in the middle of superfines shape LiFePO4.
The purpose of this utility model is mainly realized by following technical scheme.
A kind of spray-drying installation for producing product in the middle of superfines shape LiFePO4, it includes：First drying chamber, spraying
Head, High pressure feeding pump, gravitation tank, air inlet filter, pressure fan, heater, hot air head, the first drying chamber material collection
Mouth, Switching-through channel, the second drying chamber, negative electrode plate, anelectrode, air outlet slit filter, blowing machine and the second drying chamber material
Collection port, first drying chamber generally cylindrical-shaped structure, bottom is taper, and its upper middle position is provided with fog-spray nozzle,
The fog-spray nozzle is used to spray the serosity of product in the middle of vaporific superfines shape LiFePO4, and it is by gravitation tank and High pressure feeding pump pair
It carries out forced feed, and the air inlet filter and pressure fan send into extraneous air in heater, by heater pair
Extraneous air is heated, and the air after heating is sent in hot air head from the crown center position of the first drying chamber, described
Hot air head is multiple to be arranged on diagonally downward the first drying chamber inner side, for the vaporific superfines shape phosphorus sprayed to fog-spray nozzle
The serosity of product is dried process in the middle of sour ferrum lithium, and the first drying chamber material collection mouth is located in the bottom of the first drying chamber
Between position, for being collected to product in the middle of solid superfines shape LiFePO4 in the first drying chamber, the Switching-through channel
First drying chamber and the second drying chamber are connected, under it is located in the side of the side lower of the first drying chamber and the second drying chamber
Portion,
Second drying chamber generally cylindrical-shaped structure, bottom is taper, and its inwall side is provided with annular negative electrode
Plate, the superfines shape LiFePO4 centre product for coming to being carried by vapor adsorb, and its underpart is provided with positive electricity
Pole, the air outlet slit filter is arranged on the crown center position of the second drying chamber, blowing machine is connected with thereon, for mist
Shape air is filtered and is accelerated whole atomization drying process, the second drying chamber material collection mouth to be located at the second drying chamber
Bottom centre position, the solid superfines shape LiFePO4 centre product for adsorbing to negative electrode plate are collected.
Preferably, temperature-detecting device is installed in first drying chamber and the second drying chamber, to monitor internal temperature
Degree.
Preferably, defecator is installed in the gravitation tank, prevents larger granule from blocking fog-spray nozzle.
Preferably, height of the height of the hot air head less than fog-spray nozzle.
Preferably, the Switching-through channel is to tilt upward structure from the first drying chamber to the second drying chamber.
Preferably, the negative electrode plate the position of the second drying chamber higher than Switching-through channel in the position of the second drying chamber.
Compared with prior art, a kind of spray drying for producing product in the middle of superfines shape LiFePO4 of the present utility model
The beneficial effect of device is：
By the structure composition of the spray-drying installation of product in the middle of the production superfines shape LiFePO4, can be effective
Atomization drying collection is carried out to the serosity of product in the middle of superfines shape LiFePO4, and is avoided due to product in the middle of LiFePO4
Superfines shape structure, and discharge with vapor, the organic efficiency of product in the middle of LiFePO4 is improve, reduce material
Waste and the pollution to environment.
Description of the drawings
Fig. 1 is the spraying of product in the middle of the production superfines shape LiFePO4 constituted according to this utility model preferred embodiment
The structural representation of drying device.
In figure：
The drying chambers of 1- first；2- fog-spray nozzles；3- High pressure feeding pumps；4- gravitation tanks；5- air inlet filters；6- blows
Machine；7- heaters；8- hot air heads；9- the first drying chamber material collection mouths；10- Switching-through channels；The drying chambers of 11- second；12- negative electricity
Pole plate；13- anelectrodes；14- air outlet slit filters；15- blowing machines；16- the second drying chamber material collection mouths.
Specific embodiment
Hereinafter, refer to the attached drawing is described in detail to specific embodiment of the utility model, it is detailed according to these
Thin description, one of ordinary skill in the art can implement this utility model it can be clearly understood that this utility model.Do not disobeying
In the case of back of the body this utility model principle, the feature in each different embodiment can be combined to obtain new embodiment party
Formula, or some of some embodiments feature is substituted, obtain other preferred embodiment.
Embodiment 1：Fig. 1 shows a kind of production superfines shape phosphoric acid constituted according to this utility model preferred embodiment
The structural representation of the spray-drying installation of product in the middle of ferrum lithium.As shown in figure 1, in the middle of a kind of production superfines shape LiFePO4
The structural representation of the spray-drying installation of product, it is made up of some.The spray-drying installation includes：First drying chamber
1st, fog-spray nozzle 2, High pressure feeding pump 3, gravitation tank 4, air inlet filter 5, pressure fan 6, heater 7, hot air head 8, first are dry
Dry tank material collection mouth 9, Switching-through channel 10, the second drying chamber 11, negative electrode plate 12, anelectrode 13, air outlet slit filter 14,
The drying chamber material collection mouth 16 of blowing machine 15 and second, first drying chamber 1 generally cylindrical-shaped structure, bottom is taper,
Stainless steel, and temperature-detecting device is provided with inside it, to monitor internal temperature, it is ensured that the first drying chamber 1 it is interior
At 110-140 DEG C, the fog-spray nozzle 2 is spirally connected installed in the upper middle position of the first drying chamber 1 portion's temperature, vaporific super for spraying
The serosity of product in the middle of fine powdered LiFePO4, it carries out forced feed, and feed to it by gravitation tank 4 and High pressure feeding pump 3
Defecator is installed in tank 4, prevents larger granule from blocking fog-spray nozzle 2, the air inlet filter 5 and pressure fan 6 will
Extraneous air is sent in heater 7, and extraneous air is heated by heater 7, and the air after heating is dry from first
The crown center position of dry tank 1 is sent in hot air head 8, the hot air head 8 totally four, inclines 45 ° of uniform weldings and is arranged on first
The inner side of drying chamber 1, the serosity of the vaporific superfines shape LiFePO4 centre product for spraying to fog-spray nozzle 2 is dried
Process, and the height of hot air head 8, less than the height of fog-spray nozzle 2, the first drying chamber material collection mouth 9 is welded on the first drying chamber
1 bottom centre position, for being collected to product in the middle of the solid superfines shape LiFePO4 in the first drying chamber 1, institute
State Switching-through channel 10 first drying chamber 1 is connected with the second drying chamber 11, it is located at the side lower and second of the first drying chamber 1
The side middle and lower part of drying chamber 11, and Switching-through channel 10 is to tilt upward structure from first the 1 to the second drying chamber of drying chamber 11, is inclined
Rake angle is 45 °, second drying chamber 11 generally cylindrical-shaped structure, and bottom is taper, stainless steel, and inside it
Temperature-detecting device is installed, to monitor internal temperature, it is ensured that the internal temperature of the second drying chamber 11 at 105-130 DEG C, institute
It is loop configuration to state negative electrode plate 12, installed in the inwall side of the second drying chamber 11, for what is come to being carried by vapor
Product are adsorbed in the middle of superfines shape LiFePO4, and negative electrode plate 12 is higher than Switching-through channel in the position of the second drying chamber 11
10 in the position of the second drying chamber 11, and the anelectrode 13 is arranged on the bottom of the second drying chamber 11, and the air outlet slit is filtered
Device 14 is arranged on the crown center position of the second drying chamber 11, blowing machine 15 is connected with thereon, for carrying out to moist air
Filter and accelerate whole atomization drying process, the second drying chamber material collection mouth 16 to be located in the middle of the bottom of the second drying chamber 11
Position, receives for product in the middle of the solid superfines shape LiFePO4 in the second drying chamber 11 for adsorbing to negative electrode plate 12
Collection.
Although being described to this utility model above by referring to specific embodiment, art technology people
Member for this utility model is disclosed it should be appreciated that in this utility model principle disclosed and scope, can configure and details
Make many modifications.Protection domain of the present utility model is determined by appended claim, and claim is intended to
Whole modifications that the equivalent literal meaning or scope of technical characteristic is included in claim.
Claims (6)
1. a kind of spray-drying installation for producing product in the middle of superfines shape LiFePO4, is made up of, the spraying some
Drying device includes：First drying chamber (1), fog-spray nozzle (2), High pressure feeding pump (3), gravitation tank (4), air inlet filter
(5), pressure fan (6), heater (7), hot air head (8), the first drying chamber material collection mouth (9), Switching-through channel (10), second dry
Dry tank (11), negative electrode plate (12), anelectrode (13), air outlet slit filter (14), blowing machine (15) and the second drying chamber thing
Material collection port (16), it is characterised in that
First drying chamber (1) generally cylindrical-shaped structure, bottom is taper, and its upper middle position is provided with fog-spray nozzle
(2), the fog-spray nozzle (2) for spraying the serosity of product in the middle of vaporific superfines shape LiFePO4, it is by gravitation tank (4) and height
Pressure feed pump (3) carries out forced feed to it, and extraneous air is sent into and added by the air inlet filter (5) and pressure fan (6)
In hot device (7), extraneous air is heated by heater (7), and by the air after heating from the top of the first drying chamber (1)
Portion centre position is sent in hot air head (8), and the hot air head (8) is multiple to be arranged on diagonally downward the first drying chamber (1) private side
Face, the serosity of the vaporific superfines shape LiFePO4 centre product for spraying to fog-spray nozzle (2) is dried process,
The first drying chamber material collection mouth (9) positioned at the bottom centre position of the first drying chamber (1), for ultra-fine to solid
Product are collected in the middle of powder LiFePO4, and the Switching-through channel (10) is by the first drying chamber (1) and the second drying chamber (11)
It is connected, it is located at the side lower of the first drying chamber (1), the side middle and lower part of the second drying chamber (11), second drying chamber
(11) generally cylindrical-shaped structure, bottom is taper, and its inwall side is provided with annular negative electrode plate (12), for being steamed by water
Product are adsorbed in the middle of the superfines shape LiFePO4 that gas is carried and come, and its underpart is provided with anelectrode (13),
The air outlet slit filter (14) is connected with thereon blowing machine installed in the crown center position of the second drying chamber (11)
(15), for being filtered to moist air and whole atomization drying process, the second drying chamber material collection mouth are accelerated
(16) positioned at the bottom centre position of the second drying chamber (11), for the solid superfines shape phosphorus adsorbed to negative electrode plate (12)
Product are collected in the middle of sour ferrum lithium.
2. the spray-drying installation of product in the middle of superfines shape LiFePO4 is produced as claimed in claim 1, it is characterised in that
Temperature-detecting device is installed in first drying chamber (1) and the second drying chamber (11), to monitor internal temperature.
3. the spray-drying installation of product in the middle of superfines shape LiFePO4 is produced as claimed in claim 1, it is characterised in that
Defecator is installed in gravitation tank (4), prevents larger granule from blocking fog-spray nozzle (2).
4. the spray-drying installation of product in the middle of superfines shape LiFePO4 is produced as claimed in claim 1, it is characterised in that
Height of the height of hot air head (8) less than fog-spray nozzle (2).
5. the spray-drying installation of product in the middle of superfines shape LiFePO4 is produced as claimed in claim 1, it is characterised in that
Switching-through channel (10) is from the first drying chamber (1) to the second drying chamber (11) to tilt upward structure.
6. the spray-drying installation of product in the middle of superfines shape LiFePO4 is produced as claimed in claim 1, it is characterised in that
Negative electrode plate (12) is higher than position of the Switching-through channel (10) in the second drying chamber (11) in the position of the second drying chamber (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621191073.4U CN206167955U (en) | 2016-10-31 | 2016-10-31 | Spray -drying device of article in middle of production superfine powder form lithium iron phosphate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621191073.4U CN206167955U (en) | 2016-10-31 | 2016-10-31 | Spray -drying device of article in middle of production superfine powder form lithium iron phosphate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206167955U true CN206167955U (en) | 2017-05-17 |
Family
ID=58681912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621191073.4U Expired - Fee Related CN206167955U (en) | 2016-10-31 | 2016-10-31 | Spray -drying device of article in middle of production superfine powder form lithium iron phosphate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206167955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826566A (en) * | 2018-06-19 | 2018-11-16 | 中建三局第建设工程有限责任公司 | One kind being suitable for wood dust explosion venting system and its control method |
-
2016
- 2016-10-31 CN CN201621191073.4U patent/CN206167955U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826566A (en) * | 2018-06-19 | 2018-11-16 | 中建三局第建设工程有限责任公司 | One kind being suitable for wood dust explosion venting system and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200410 Address after: 264003 12 / F, Tower B, Guanhai building, Guanhai Road, Laishan District, Yantai City, Shandong Province Patentee after: Yantai state owned Assets Management Co.,Ltd. Address before: 264002 No. 45, Chemical Road, Zhifu District, Shandong, Yantai Patentee before: YANTAI ZHUONENG BATTERY MATERIAL Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |