CN106044869B - A kind of filter-pressing device of purified hydrogen cobalt protoxide - Google Patents
A kind of filter-pressing device of purified hydrogen cobalt protoxide Download PDFInfo
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- CN106044869B CN106044869B CN201610687035.6A CN201610687035A CN106044869B CN 106044869 B CN106044869 B CN 106044869B CN 201610687035 A CN201610687035 A CN 201610687035A CN 106044869 B CN106044869 B CN 106044869B
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/04—Oxides; Hydroxides
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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to a kind of filter-pressing device of purified hydrogen cobalt protoxide, it is several to vertical pressing plate including filter press, the filter bag of filtering hydroxide cobalt is provided between every a pair of pressing plates, the passage of negotiable cleaning solution is provided with the upside of every a pair of pressing plates, the filter plate of the liquid outflow after being available for washing is provided with the downside of the filter bag between two block pressur plates of every a pair of pressing plates, when the hydroxide cobalt press filtration in filter bag to a certain degree when, the liquid after washing is imported the passage by the filter plate.Mixed liquor in the present invention after initial pressure filtration washing can enter the collecting pit of filter press by filter plate, and due to the pressure filtration washing by early stage, when product press filtration to a certain extent after, the basic washes clean of product, and continue to compress with filter press, cleaning solution hardly enters product and it is rinsed, so as to realize the recycling of mixed liquor, cleaning solution is saved, reduces cost.
Description
Technical field
The present invention relates to the technical field of purification of hydroxide cobalt, the press filtration dress of specifically a kind of purified hydrogen cobalt protoxide
Put.
Background technology
The convenient source of industrial production hydroxide cobalt is sodium hydroxide and cobalt chloride, and sodium hydroxide and cobalt chloride react
Afterwards, hydroxide cobalt and sodium chloride can be generated, in order to obtain the hydroxide cobalt of LITHIUM BATTERY positive pole persursor material, it is necessary to life
Into product purified.Conventional industrial purification process is washing, typically using filter press to production in washing process
The press filtration of thing one side is while washing, existing filter press are to apply certain pressure to product to pressing plate using several so that liquid oozes
Separate out and go out with the liquid mixture flow after washing, because this mixed liquor has been mingled with more impurity, therefore it is general all discarded
Fall, cause larger waste.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of pressure of the purified hydrogen cobalt protoxide of the repeatable liquid using after washing
Filter device.
Technical scheme is used by the present invention solves above-mentioned technical problem：A kind of press filtration dress of purified hydrogen cobalt protoxide
Put, including filter press is several to vertical pressing plate, be provided with the filter bag of filtering hydroxide cobalt between every a pair of pressing plates, every a pair
The passage of negotiable cleaning solution is provided with the upside of the pressing plate, the cleaning solution of the passage flow is from top to bottom to the hydrogen-oxygen in filter bag
Change sub- cobalt to be washed, be provided with the liquid after being available for washing on the downside of the filter bag between two block pressur plates of every a pair of pressing plates
Body outflow filter plate, when the hydroxide cobalt press filtration in filter bag to a certain degree when, the filter plate by after washing liquid import institute
State passage.
Preferably, the filter plate includes being horizontally installed on one of pressing plate in every a pair of pressing plates and positioned at described
Upper filter plate on the downside of filter bag, the lower filter to being horizontally arranged with another block pressur plate in pressing plate on the downside of the upper filter
Plate, the upper and lower filter plate relatively moves as corresponding two pressing plate is mobile, when the hydroxide cobalt press filtration in filter bag to certain journey
When spending, the lower filter plate closes upper filter plate by relatively moving, and liquid after washing is imported the passage by filter plate on this.
Preferably, offering row's strip through-hole on the upper filter plate, each strip through-hole is laterally set, the lower filter
The row's filter opening that can be connected with the row strip through-hole is provided with plate, the diameter of each filter opening is less than each strip through-hole
Length, the upper filter plate is interior to set the tapping channel connected with each strip through-hole, the liquid that the tapping channel will enter in strip through-hole
Body imports the passage.
Preferably, offered in each block pressur plate in every a pair of pressing plates for the upper filter to another block pressur plate in pressing plate
The groove that plate or lower filter plate are inserted in the pressing plate when relatively moving.
Preferably, the tapping channel is connected by drain pipe with the passage.
Preferably, water pump is installed on the drain pipe.
As can be known from the above technical solutions, the mixed liquor in the present invention after initial pressure filtration washing can enter filter press by filter plate
Collecting pit, and due to by early stage pressure filtration washing, when product press filtration to a certain extent after, the basic washes clean of product, and
Continue to compress with filter press, cleaning solution hardly enters product and is rinsed it, therefore the mixing after later stage pressure filtration washing
Impurity content is less in liquid, and this part mixed liquor then can be by the filter plate introduction channel again of the present invention, so as to realize mixed liquor
Recycling, save cleaning solution, reduce cost.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the partial enlargement structural representation of a pair of pressing plates in the present invention.
Embodiment
The present invention is described in detail below in conjunction with Fig. 1, Fig. 2, and illustrative examples and explanation of the invention are used for herein
The present invention is explained, but it is not as a limitation of the invention.
A kind of filter-pressing device of purified hydrogen cobalt protoxide, including filter press are several to vertical pressing plate 1, every a pair of pressing plates
Between be provided with the filter bag 2 of filtering hydroxide cobalt, the passage 3 of negotiable cleaning solution is provided with the upside of every a pair of pressing plates, it is described
The cleaning solution of passage flow washs to the hydroxide cobalt in filter bag from top to bottom, every a pair of pressing plates two block pressur plates it
Between the filter plate 4 of the liquid outflow after being available for washing is provided with the downside of the filter bag, the mixed liquor after press filtration and washing passes through
Filter plate enters the collecting pit of filter press；And when the hydroxide cobalt press filtration in filter bag to a certain degree when, the filter plate will can wash
Liquid afterwards imports the passage, realizes the recycling of cleaning solution.Mixing liquid in introduction channel can be stored individually, then
Previous cleaning is carried out to product in next press filtration, previous cleaning is carried out to product after can also being mixed with new cleaning solution.
Preferably, the filter plate 4 includes being horizontally installed on one of pressing plate in every a pair of pressing plates and being located at institute
The upper filter plate 41 on the downside of filter bag is stated, this on another block pressur plate in pressing plate to being horizontally arranged with the downside of the upper filter
Lower filter plate 42, the upper and lower filter plate relatively move as corresponding two pressing plate is mobile, when the hydroxide cobalt press filtration in filter bag extremely
When to a certain degree, the lower filter plate closes upper filter plate by relatively moving, and filter plate imports the liquid after washing described logical on this
Road；Specifically, row's strip through-hole 43 is offered on the upper filter plate, each strip through-hole is laterally set, the lower filter plate
On be provided with the row's filter opening 44 that can be connected with the row strip through-hole, the diameter of each filter opening is less than each strip through-hole
Length, the upper filter plate is interior to set the tapping channel 45 connected with each strip through-hole.In initial pressure-filtering process, upper and lower filter plate phase
To movement, now filter opening moves along the length direction of strip through-hole, and both communicate, and the liquid after washing then may pass through bar shaped
Through hole and filter opening enter collecting pit；With the drive of two pressing plates, filter plate continues to move towards up and down, and the filter opening is wrong with strip through-hole
Open, both are not communicated with, that is, play the strip through-hole of the upper filter plate of filter plate closing, and this is hydroxide cobalt press filtration in the filter bag to one
Determine degree；Now, the liquid after pressure filtration washing only enters strip through-hole, without out of filter opening by collecting in strip through-hole
Liquid the passage can be entered by tapping channel.
From the above it can be seen that the length of strip through-hole and the aperture of filter opening determine described " to a certain degree ", therefore implementing
During, the length of strip through-hole and the aperture of filter opening should be adjusted according to the content of impurity in products.When product impurity content is higher,
The impurity content in liquid after its later stage pressure filtration washing also can be of a relatively high, therefore press filtration early stage degree should be larger, i.e. bar
The length of shape through hole should be longer, the aperture of filter opening can also more greatly, to reduce the impurity content in later stage pressure filtration washing liquid,
Ensure that the cleaning solution impurity content in introduction channel is relatively low；When product impurity content is relatively low, the liquid after its later stage pressure filtration washing
Interior impurity content is relatively low, therefore press filtration early stage degree can be with smaller, i.e., the length of strip through-hole should be shorter, filter
The aperture in hole can also be smaller, can reuse cleaning solution to greatest extent.
In the present invention, offered in each block pressur plate in every a pair of pressing plates for this in pressing plate another block pressur plate it is upper
Filter plate or lower filter plate insert the groove 5 in the pressing plate when relatively moving, so can be during two pressing plates move towards, filter up and down
Plate will not interfere with the motion of pressing plate, ensure pressing plate everything goes well with your work to carry out；In implementation process, the tapping channel passes through drain pipe
6 are connected with the passage, and water pump 7 is provided with the drain pipe, so as to which cleaning solution is pumped in passage.
The technical scheme provided above the embodiment of the present invention is described in detail, specific case used herein
The principle and embodiment of the embodiment of the present invention are set forth, the explanation of above example is only applicable to help and understands this
The principle of inventive embodiments；Meanwhile for those of ordinary skill in the art, according to the embodiment of the present invention, in specific embodiment party
There will be changes in formula and application, in summary, this specification content should not be construed as limiting the invention.
Claims (6)
1. a kind of filter-pressing device of purified hydrogen cobalt protoxide, including filter press is several to vertical pressing plate, every a pair of pressing plates it
Between be provided with the filter bag of filtering hydroxide cobalt, the passage of negotiable cleaning solution, the passage are provided with the upside of every a pair of pressing plates
The cleaning solution of circulation washs to the hydroxide cobalt in filter bag from top to bottom, it is characterised in that：The two of every a pair of pressing plates
The filter plate of the liquid outflow after being available for washing is provided between block pressur plate on the downside of the filter bag, when the hydroxide in filter bag
Cobalt press filtration to a certain degree when, the liquid after washing is imported the passage by the filter plate.
2. the filter-pressing device of purified hydrogen cobalt protoxide according to claim 1, it is characterised in that：The filter plate is included laterally
The upper filter plate on one of pressing plate in every a pair of pressing plates and on the downside of the filter bag is arranged on, this is to another in pressing plate
The lower filter plate being horizontally arranged with block pressur plate on the downside of the upper filter plate, the upper and lower filter plate with corresponding two pressing plate it is mobile and
Relative movement, when the hydroxide cobalt press filtration in filter bag to a certain degree when, the lower filter plate by relatively move closing on filter
Plate, liquid after washing is imported the passage by filter plate on this.
3. the filter-pressing device of purified hydrogen cobalt protoxide according to claim 2, it is characterised in that：Opened up on the upper filter plate
There is row's strip through-hole, each strip through-hole is laterally set, and is provided with and can be connected with the row strip through-hole on the lower filter plate
Logical row's filter opening, the diameter of each filter opening are less than the length of each strip through-hole, set and each bar shaped in the upper filter plate
The liquid entered in strip through-hole is imported the passage by the tapping channel of through hole connection, the tapping channel.
4. the filter-pressing device of the purified hydrogen cobalt protoxide according to Claims 2 or 3, it is characterised in that：In every a pair of pressing plates
Each block pressur plate in offer for the upper filter plate to another block pressur plate in pressing plate or lower filter plate relative movement when insert the pressure
Groove in plate.
5. the filter-pressing device of purified hydrogen cobalt protoxide according to claim 3, it is characterised in that：The tapping channel is by going out
Liquid pipe connects with the passage.
6. the filter-pressing device of purified hydrogen cobalt protoxide according to claim 5, it is characterised in that：Installed on the drain pipe
There is water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687035.6A CN106044869B (en) | 2016-08-19 | 2016-08-19 | A kind of filter-pressing device of purified hydrogen cobalt protoxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610687035.6A CN106044869B (en) | 2016-08-19 | 2016-08-19 | A kind of filter-pressing device of purified hydrogen cobalt protoxide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106044869A CN106044869A (en) | 2016-10-26 |
| CN106044869B true CN106044869B (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610687035.6A Active CN106044869B (en) | 2016-08-19 | 2016-08-19 | A kind of filter-pressing device of purified hydrogen cobalt protoxide |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101213005B (en) * | 2005-06-30 | 2010-07-14 | 日本碍子株式会社 | Filtering device |
| CN201959608U (en) * | 2010-12-21 | 2011-09-07 | 张家港大塚化学有限公司 | Filter press |
| CN202151590U (en) * | 2011-06-15 | 2012-02-29 | 江苏凯力克钴业股份有限公司 | Spherical cobalt hydroxide cleaning device |
| CN102527116B (en) * | 2012-01-11 | 2014-03-12 | 浙江华友钴业股份有限公司 | Washing method of cobalt hydroxide slurry |
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2016
- 2016-08-19 CN CN201610687035.6A patent/CN106044869B/en active Active
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| CN106044869A (en) | 2016-10-26 |
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Address after: 554300 Intersection of No.2 and No.1 Main Road of Dalong Economic Development Zone, Tongren District, Guizhou Province Patentee after: Zhongwei New Material Co., Ltd. Address before: 554300 Intersection of No.2 and No.1 Main Road of Dalong Economic Development Zone, Tongren District, Guizhou Province Patentee before: GUIZHOU ZHONGWEI ZHENGYUAN NEW MATERIAL CO., LTD. |
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Address after: 554300 intersection of trunk road No. 2 and No. 1 road, DLONG Economic Development Zone, Tongren, Guizhou Patentee after: Zhongwei new materials Co., Ltd Address before: 554300 junction No. 2, No. 1 trunk road, Dalong Economic Development Zone, Tongren, Guizhou Patentee before: Zhongwei New Material Co., Ltd. |
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