CN207822585U - Filter-press arrangement applied to ternary precursor filtration washing - Google Patents
Filter-press arrangement applied to ternary precursor filtration washing Download PDFInfo
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- CN207822585U CN207822585U CN201721508044.0U CN201721508044U CN207822585U CN 207822585 U CN207822585 U CN 207822585U CN 201721508044 U CN201721508044 U CN 201721508044U CN 207822585 U CN207822585 U CN 207822585U
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Abstract
The utility model is related to ternary precursor field of material technology more particularly to a kind of filter-press arrangements applied to ternary precursor filtration washing.The utility model, including integrally formed rack and crossbeam, the both ends of crossbeam are connected separately with feedboard and tailgate, wherein feedboard is fixedly connected with crossbeam, tailgate is slidably connected with crossbeam, several filter elements are equipped between feedboard and tailgate, the filter element is slidably connected with crossbeam, the compressed oil cylinder being fixedly connected with crossbeam is located at crossbeam close to one end of tailgate, the compressed oil cylinder can push tailgate to be slided towards close to the direction of feedboard, tailgate side offers tailgate feed inlet, and metal hose is connected to tailgate feed inlet.The feedboard and tailgate of the utility model all have material feeding function, therefore can realize both ends charging, both ends washing, the pressure filtration washing time is shortened, is improved work efficiency, and agent structure is coated with stainless steel layer or frp layer, and magnetic foreign body is effectively prevent to be mixed into handled product.
Description
Technical field
The utility model belongs to ternary precursor field of material technology, more particularly to a kind of ternary precursor that is applied to filters
The filter-press arrangement of washing.
Background technology
Electric vehicle is commercially available quick development in recent years, thus brings the quick increasing of the power battery market demand
It is long.Nickel-cobalt-manganese ternary material lithium battery because with specific capacity height, good cycle, have a safety feature, it is cheap, be readily synthesized
The advantages that, the good balance for solving power battery performance and capacity has substantially met whole needs of power battery material,
It is acknowledged as one of most promising cobalt acid lithium alternative materials.
Ternary precursor material needs to carry out slurries filtration and impurity washing in process of production, by traditional filter press mistake
Filter washing condition, major impurity S contents are generally 1500-2000ppm, and Na contents are generally 150-200ppm, it is difficult to continue to lead to
Washing is crossed to continue to reduce.And after ternary precursor washing, ternary forerunner is made by drying, screening, except iron, the mixed flows such as criticize
Body finished product.Power battery anode material is being made by being sintered after being mixed with lithium salts, during entire subsequent production, free from admixture
The flow of removal, therefore remaining impurity can enter battery, can be affected to the storing up electricity performance and security performance of battery.
The traditional filter press of ternary precursor materials'use, can only be from an endfeed or water inlet, low production efficiency, and profit
It is washed with hot pure water, pure water consumption is 30-40 yuan/ton of product, and waste water is needed through removing heavy metals, deamination, desalination etc.
Method is handled, and realizes qualified discharge, 70 yuan/ton of waste water of the wastewater treatment process cost.Therefore it is highly desirable to pass through work
The optimization of skill or equipment reduces pure water consumption and wastewater discharge, to reduce the use cost of pure water and being processed into for waste water
This.
For example, Chinese utility model patent application discloses a kind of Special washing filter press for ternary material precursor [application
Number：201120347059.X], the utility model, including tank body, the tank body are supported by holder, and the top of the tank body is logical
It crosses bolt and is fixed with head cover, the bottom of the tank body has been bolted pedestal, blocking stick, the resistance are equipped in the tank body
Gear stick is horizontal positioned, and one end is fixed with inner tank wall, and the length of the blocking stick is the 1/8-3/8 of tank diameter.
The utility model is connected by using slip-knot mode, in order to fast assembling-disassembling, but the still unresolved life of the utility model
Produce the problems such as efficiency is low, production cost is high, waste of resource.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, providing a kind of press filtration applied to ternary precursor filtration washing
Machine device.
In order to achieve the above objectives, the utility model uses following technical proposal：
A kind of filter-press arrangement applied to ternary precursor filtration washing, including integrally formed rack and crossbeam, it is horizontal
The both ends of beam are connected separately with feedboard and tailgate, and wherein feedboard is fixedly connected with crossbeam, and tailgate is slidably connected with crossbeam, into
Several filter elements are equipped between flitch and tailgate, the filter element is slidably connected with crossbeam, is fixedly connected with crossbeam
Compressed oil cylinder is located at crossbeam close to one end of tailgate, and the compressed oil cylinder can push tailgate to be slided towards close to the direction of feedboard,
Tailgate side offers tailgate feed inlet, and metal hose is connected to tailgate feed inlet.
In the above-mentioned filter-press arrangement applied to ternary precursor filtration washing, the filter element include filter plate and
It is covered in the filter cloth on filter plate surface, further includes the diaphragm plate being arranged between filter plate and filter cloth.
Further include connecing of being arranged in rack in the above-mentioned filter-press arrangement applied to ternary precursor filtration washing
Liquid plate, the underface for connecing liquid plate and being located at filter element, recovery holes are opened in the bottom for connecing liquid plate.
It is described to connect liquid plate in the vertical direction in the above-mentioned filter-press arrangement applied to ternary precursor filtration washing
Height be gradually lower by center to edge, recovery holes are arranged at the edge for connecing liquid plate, and recovered liquid baffle, which is fixedly connected on, connects liquid
The side of plate.
In the above-mentioned filter-press arrangement applied to ternary precursor filtration washing, also slidably connected on the crossbeam
Pulling car, the pulling car can slide along crossbeam and draw filter plate.
In the above-mentioned filter-press arrangement applied to ternary precursor filtration washing, the crossbeam, feedboard and tailgate
Outer surface all have one layer of stainless steel layer or frp layer.
Compared with prior art, the utility model has the advantage of：
1, the feedboard of the utility model and tailgate all have material feeding function, therefore can realize both ends charging, both ends washing, contracting
It the short pressure filtration washing time, improves work efficiency.
2, the agent structure of the utility model is coated with stainless steel layer or frp layer, and magnetic foreign body is effectively prevent to be mixed into institute
It handles in product.
Description of the drawings
Fig. 1 is the front view of the utility model；
Fig. 2 is the left view of the utility model；
Fig. 3 is the structural schematic diagram of filter element；
In figure：Rack 1, crossbeam 2, feedboard 3, tailgate 4, filter element 5, compressed oil cylinder 6, tailgate feed inlet 7, metal are soft
Pipe 8, connect liquid plate 9, recovery holes 10, pulling car 11, recovered liquid baffle 12, filter plate 51, filter cloth 52, diaphragm plate 53, feed inlet a,
Water inlet b, squeezing mouth c.
Specific implementation mode
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Embodiment 1
The present embodiment provides a kind of filter-press arrangements applied to ternary precursor filtration washing, carry out below in conjunction with the accompanying drawings
It illustrates.
In conjunction with shown in Fig. 1-3, a kind of filter-press arrangement applied to ternary precursor filtration washing, including it is integrally formed
The both ends of rack 1 and crossbeam 2, crossbeam 2 are connected separately with feedboard 3 and tailgate 4, and wherein feedboard 3 is fixedly connected with crossbeam 2,
Tailgate 4 is slidably connected with crossbeam 2, between feedboard 3 and tailgate 4 be equipped with several filter elements 5, the filter element 5 with
Crossbeam 2 is slidably connected, and the compressed oil cylinder 6 being fixedly connected with crossbeam 2 is located at crossbeam 2 close to one end of tailgate 4, the compressed oil cylinder
6 can push tailgate 4 to be slided towards close to the direction of feedboard 3, and 4 side of tailgate offers tailgate feed inlet 7, metal hose 8 and tail
Plate feed inlet 7 is connected to.
The utility model, in use, can be fed from the feed inlet a being arranged on feedboard 3, from water inlet b into water washing,
It can be from the charging of metal hose 8 or water inlet being connected to the tailgate feed inlet 7 for being opened in 4 side of tailgate, to realize from feedboard 3
It is fed simultaneously with tailgate 4, starts compressed oil cylinder 6, compressed oil cylinder 6 can push tailgate 4 to be slided towards close to the direction of feedboard 3, institute
It is realized and is separated by solid-liquid separation using filter element 5 into raw material, liquid portion is discharged by tapping valve, and solid portion is temporarily attached to filtering
On unit 5, to realize the purpose of both ends charging, both ends washing, the pressure filtration washing time is shortened, is improved work efficiency.
Rack 1 and crossbeam 2 are integrally formed, and feedboard 3 and tailgate 4 are separately positioned on 2 both ends of crossbeam, wherein feedboard 3 with
Crossbeam 2 is fixedly connected, and tailgate 4 is slidably connected with crossbeam 2, and feed inlet a and water inlet b, 4 side of tailgate are offered on feedboard 3
Tailgate feed inlet 7 is offered, metal hose 8 is connected to tailgate feed inlet 7, several mistakes are equipped between feedboard 3 and tailgate 4
Unit 5 is filtered, filter element 5 is slidably connected with crossbeam 2, and the compressed oil cylinder 6 being fixedly connected with crossbeam 2 is located at crossbeam 2 close to tailgate 4
One end, in use, can from the feed inlet a charging being arranged on feedboard 3, from water inlet b into water washing, can from be opened in
The charging of metal hose 8 or water inlet that the tailgate feed inlet 7 of 4 side of tailgate is connected to, to realize from feedboard 3 and tailgate 4 simultaneously
Charging starts compressed oil cylinder 6, and compressed oil cylinder 6 can push tailgate 4 to be slided towards close to the direction of feedboard 3, and institute utilized into raw material
It filters unit 5 and realizes that separation of solid and liquid, liquid portion are discharged by tapping valve, solid portion is temporarily attached on filter element 5, to
The purpose for realizing both ends charging, both ends washing, shortens the pressure filtration washing time, improves work efficiency.
The utility model is not construed as limiting the concrete structure of filter element 5, as long as can play slurry solid-liquid to be filtered point
From effect, such as using filter paper or filter-cloth filtering, but preferably, the filter element 5 includes filter plate 51 and is covered in
The filter cloth 52 on 51 surface of filter plate further includes the diaphragm plate 53 being arranged between filter plate 51 and filter cloth 52, can after the completion of preliminary filtering
Press pump is opened, high pressure water is pumped into diaphragm plate 53 at this time so that 53 water-filling of diaphragm plate expands, and filter slurry is treated to realize
Further press filtration, effectively improve solid-liquid separation effect.
In conjunction with shown in Fig. 1 and Fig. 2, further include be arranged in rack 1 connect liquid plate 9, the liquid plate 9 that connects is located at filter element
5 underface, recovery holes 10 are opened in the bottom for connecing liquid plate 9, in fill process, it is possible to produce the problems such as leakage, at this time
The liquid plate 9 that connects being arranged immediately below filter element 5 collects leakage, and by recovery holes 10 by leakage recycling.
Preferably, the height of liquid plate 9 in the vertical direction that connects gradually is lower by center to edge, and recovery holes 10 are arranged
At the edge for connecing liquid plate 9, recovered liquid baffle 12 is fixedly connected on the side for connecing liquid plate 9, connects the height of liquid plate 9 in the vertical direction
Liquid can be made to rapidly flow to by the design that center to edge is gradually lower and connect the edge of liquid plate 9,9 edge of liquid plate is being connect by setting
Recovery holes 10 recycle, and recovered liquid baffle 12 is fixedly connected on the side for connecing liquid plate 9 and 12 upper end of recovered liquid baffle is in vertical side
To height on higher than height of 9 outer edge of liquid plate in vertical direction is connect, to prevent liquid from overflowed on liquid plate 9 from connecing.
As shown in Figure 1, also slidably connecting pulling car 11 on the crossbeam 2, the pulling car 11 can be slided along crossbeam 2
Filter plate 51 is moved and draws, pulling car 11 pushes filter plate 51 open, solid material is drawn off one by one.
As shown in Figure 1, the outer surface of the crossbeam 2, feedboard 3 and tailgate 4 all has one layer of stainless steel layer or fiberglass
Layer can effectively prevent magnetic foreign body to be mixed into handled product, improve product quality.
Embodiment 2
The filter-press arrangement applied to ternary precursor filtration washing provided the present embodiment provides a kind of embodiment 1
Application method specifically includes the following steps：
Step 1：Fill process, booting after press filtration machine check is errorless, and filter element is compressed using compressed oil cylinder, it opens
The 1 volume slurry to be filtered that volume fraction is 8% is pumped into press filtration by material inlet valve and draining valve simultaneously from feedboard and bottom plate
In machine, when the pressure inside filter press reaches 0.6MPa, stop charging；
Step 2：Washing process, it is 3% to prepare Solute mass fraction, and the sodium hydroxide solution that temperature is 60 DEG C will configure
Good sodium hydroxide solution is pumped into filter press with 0.7 volume flow velocity hourly by feedboard and bottom plate and carries out lye simultaneously
It washs, after alkali liquid washing 1h, stopping is pumped into sodium hydroxide solution, then passes through purified water with 0.6 volume flow velocity hourly
Feedboard and bottom plate are pumped into filter press simultaneously carries out purifying water washing, and after purifying water washing 3h, stopping is pumped into purified water, in alkali
Liquid is washed in purified water washing process, and the pressure inside filter press is 0.45MPa；
Step 3：Expressing process opens press pump, high pressure water is pumped into diaphragm plate, and the hydraulic pressure of high pressure water is 1.0MPa,
30min is kept, outlet pipe stops liquid at this time, and squeezing is completed；
Step 4：Discharge process unclamps the compressed oil cylinder of filter press, opens pulling car, filter plate is pushed open one by one, by material
It draws off, obtains ternary precursor product.
It can be seen that the washing pure water usage amount per single ton of product can be controlled in 15m3Within, therefore whole process can be reduced
The use of middle water resource and the discharge of waste water, economize on resources, environmental-friendly.
Preferably, step 1 is programmed using PLC to step 4 and carries out automated procedures control, is programmed and is carried out using PLC
Automated procedures control entire pressure filtration washing process, can realize and be operated under unmanned state substantially, save human cost.
Embodiment 3
The filter-press arrangement applied to ternary precursor filtration washing provided the present embodiment provides a kind of embodiment 1
Application method specifically includes the following steps：
Step 1：Fill process, booting after press filtration machine check is errorless, and filter element is compressed using compressed oil cylinder, it opens
The 1 volume slurry to be filtered that volume fraction is 12% is pumped into pressure by material inlet valve and draining valve simultaneously from feedboard and bottom plate
In filter, when the pressure inside filter press reaches 0.4MPa, stop charging；
Step 2：Washing process, it is 1% to prepare Solute mass fraction, and the sodium hydroxide solution that temperature is 80 DEG C will configure
Good sodium hydroxide solution is pumped into filter press with 0.6 volume flow velocity hourly by feedboard and bottom plate and carries out lye simultaneously
It washs, after alkali liquid washing 1h, stopping is pumped into sodium hydroxide solution, then passes through purified water with 0.7 volume flow velocity hourly
Feedboard and bottom plate are pumped into filter press simultaneously carries out purifying water washing, and after purifying water washing 3h, stopping is pumped into purified water, in alkali
Liquid is washed in purified water washing process, and the pressure inside filter press is 0.55MPa；
Step 3：Expressing process opens press pump, high pressure water is pumped into diaphragm plate, and the hydraulic pressure of high pressure water is 1.2MPa,
20min is kept, outlet pipe stops liquid at this time, and squeezing is completed；
Step 4：Discharge process unclamps the compressed oil cylinder of filter press, opens pulling car, filter plate is pushed open one by one, by material
It draws off, obtains ternary precursor product.
Embodiment 4
The filter-press arrangement applied to ternary precursor filtration washing provided the present embodiment provides a kind of embodiment 1
Application method specifically includes the following steps：
Step 1：Fill process, booting after press filtration machine check is errorless, and filter element is compressed using compressed oil cylinder, it opens
The 1 volume slurry to be filtered that volume fraction is 10% is pumped into pressure by material inlet valve and draining valve simultaneously from feedboard and bottom plate
In filter, when the pressure inside filter press reaches 0.5MPa, stop charging；
Step 2：Washing process, it is 2% to prepare Solute mass fraction, and the sodium hydroxide solution that temperature is 70 DEG C will configure
Good sodium hydroxide solution is pumped into filter press with 0.65 volume flow velocity hourly by feedboard and bottom plate and carries out alkali simultaneously
Liquid washs, and after alkali liquid washing 1h, stopping is pumped into sodium hydroxide solution, then leads to purified water with 0.65 volume flow velocity hourly
It crossing feedboard and bottom plate while being pumped into filter press and carry out purifying water washing, after purifying water washing 3h, stopping is pumped into purified water,
In alkali liquid washing and purified water washing process, the pressure inside filter press is 0.50MPa；
Step 3：Expressing process opens press pump, high pressure water is pumped into diaphragm plate, and the hydraulic pressure of high pressure water is 1.1MPa,
25min is kept, outlet pipe stops liquid at this time, and squeezing is completed；
Step 4：Discharge process unclamps the compressed oil cylinder of filter press, opens pulling car, filter plate is pushed open one by one, by material
It draws off, obtains ternary precursor product.
Comparative example 1
It is 10% slurry 10m to take volume fraction3, sample detection, testing result such as table 1 pressed according to the prior art
After filter washing processing, sample detection, testing result such as table 2.
Table 1
Table 2
Application examples 1
Take the slurry 10m that identical volume fraction is 10% with comparative example 13, according to the method recorded in embodiment 4 into
After the processing of row pressure filtration washing, sample detection, testing result such as table 3.
Table 3
Contrast table 2 and the testing result of table 3 are it is found that using ternary precursor filtration washing provided by the utility model
The application method of filter-press arrangement carries out pressure filtration washing to ternary precursor, and pressure filtration washing method compared with the prior art can
The content for effectively reducing Na and S in product, improves the final mass of product.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although rack 1, crossbeam 2, feedboard 3, tailgate 4, filter element 5, compressed oil cylinder 6, tail is used more herein
Plate feed inlet 7, metal hose 8, connect liquid plate 9, recovery holes 10, pulling car 11, recovered liquid baffle 12, filter plate 51, filter cloth 52, every
The terms such as diaphragm plate 53, feed inlet a, water inlet b, squeezing mouth c, but it does not preclude the possibility of using other terms.Use these
Term is used for the purpose of more easily describing and explaining the essence of the utility model；It is construed as the additional limit of any type
System is all contrary to the spirit of the present invention.
Claims (6)
1. a kind of filter-press arrangement applied to ternary precursor filtration washing, it is characterised in that：Including integrally formed rack
(1) with crossbeam (2), for filter-press arrangement charging feedboard (3) be fixedly connected with one end of crossbeam (2), crossbeam (2) it is another
One end is equipped with tailgate (4), and tailgate (4) is slidably connected with crossbeam (2), several mistakes are equipped between feedboard (3) and tailgate (4)
Unit (5) is filtered, the filter element (5) is slidably connected with crossbeam (2), and the compressed oil cylinder (6) being fixedly connected with crossbeam (2) is located at
For crossbeam (2) close to one end of tailgate (4), the compressed oil cylinder (6) can push tailgate (4) to be slided towards close to the direction of feedboard (3)
Dynamic, tailgate (4) side offers tailgate feed inlet (7), and metal hose (8) is connected to tailgate feed inlet (7).
2. being applied to the filter-press arrangement of ternary precursor filtration washing as described in claim 1, it is characterised in that：The mistake
It includes filter plate (51) and the filter cloth (52) for being covered in filter plate (51) surface to filter unit (5), further includes setting in filter plate (51) and filters
Diaphragm plate (53) between cloth (52).
3. being applied to the filter-press arrangement of ternary precursor filtration washing as described in claim 1, it is characterised in that：Further include
What is be arranged in rack (1) connects liquid plate (9), the underface for connecing liquid plate (9) and being located at filter element (5), and recovery holes (10) are opened
It is located at the bottom for connecing liquid plate (9).
4. being applied to the filter-press arrangement of ternary precursor filtration washing as claimed in claim 3, it is characterised in that：It is described to connect
The height of liquid plate (9) in the vertical direction is gradually lower by center to edge, and recovery holes (10), which are symmetricly set on, connects liquid plate (9)
Edge, recovered liquid baffle (12) are fixedly connected on the side for connecing liquid plate (9).
5. being applied to the filter-press arrangement of ternary precursor filtration washing as claimed in claim 2, it is characterised in that：The cross
Pulling car (11) is also slidably connected on beam (2), the pulling car (11) can be slided along crossbeam (2) and dilatory filter plate
(51)。
6. being applied to the filter-press arrangement of ternary precursor filtration washing as described in claim 1, it is characterised in that：The cross
The outer surface of beam (2), feedboard (3) and tailgate (4) all has one layer of stainless steel layer or frp layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721508044.0U CN207822585U (en) | 2017-11-13 | 2017-11-13 | Filter-press arrangement applied to ternary precursor filtration washing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721508044.0U CN207822585U (en) | 2017-11-13 | 2017-11-13 | Filter-press arrangement applied to ternary precursor filtration washing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207822585U true CN207822585U (en) | 2018-09-07 |
Family
ID=63385553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721508044.0U Active CN207822585U (en) | 2017-11-13 | 2017-11-13 | Filter-press arrangement applied to ternary precursor filtration washing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207822585U (en) |
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2017
- 2017-11-13 CN CN201721508044.0U patent/CN207822585U/en active Active
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