CN106044869A - Filter pressing apparatus for purifying cobaltous hydroxide - Google Patents
Filter pressing apparatus for purifying cobaltous hydroxide Download PDFInfo
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- CN106044869A CN106044869A CN201610687035.6A CN201610687035A CN106044869A CN 106044869 A CN106044869 A CN 106044869A CN 201610687035 A CN201610687035 A CN 201610687035A CN 106044869 A CN106044869 A CN 106044869A
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- filter
- plate
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- pair
- liquid
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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 invention relates to a filter pressing apparatus for purifying cobaltous hydroxide. The filter pressing apparatus includes a plurality of vertical press plates, wherein a filter bag for filtering the cobaltous hydroxide is arranged between each pair of the press plates. A pathway for allowing a washing liquid to flow through is arranged on the upper side of each pair of the press plates. A filter plate which enables used washing liquid to flow out is disposed under the filter bag between the two press plates of the each pair of the press plates. When the cobaltous hydroxide in the filter bags is filter-pressed to a certain degree, the filter plate guides the used washing liquid into the pathways. In the invention, the mixed liquid formed in the initial filter-pressing and washing step can enter a collection tank of the filter press machine through the filter plates, through the filter-pressing and washing step in the early stage, after the product is filter-pressed to a certain degree, the product is basically washed cleanly. As the filter press machine continuously pressing the product, the washing liquid is very difficult to enter the product and wash the product, thereby recycling the mixed liquid, and further saving the washing liquid and reducing cost.
Description
Technical field
The present invention relates to the technical field of purification of hydroxide cobalt, the filter pressing dress of a kind of purified hydrogen cobalt protoxide
Put.
Background technology
The convenient source of industrial production hydroxide cobalt is sodium hydroxide and cobaltous chloride, sodium hydroxide and cobaltous chloride reaction
After, 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
The product become is purified.Conventional industrial purification process is washing, and in washing process, general employing pressure filter is to product
Thing filter pressing on one side is while washing, and existing pressure filter is to utilize several pressure certain to product applying to pressing plate so that liquid oozes
Separate out and flow out with the liquid mixing after washing, owing to this mixed liquor has been mingled with more impurity, therefore discarded
Fall, cause bigger waste.
Summary of the invention
For the problems referred to above, the present invention provides the pressure of the purified hydrogen cobalt protoxide of a kind of repeatable liquid utilized after washing
Filter device.
The present invention solves the technical scheme that above-mentioned technical problem used: the filter pressing dress of a kind of purified hydrogen cobalt protoxide
Put, several to vertical pressing plate including pressure filter, described in every a pair, between pressing plate, be provided with the filter bag filtering hydroxide cobalt, every a pair
Being provided with the passage of negotiable cleaning mixture on the upside of described pressing plate, the cleaning mixture of described passage flow is from top to bottom to the hydrogen-oxygen in filter bag
Change sub-cobalt to wash, between two block pressur plates of every a pair pressing plate, be positioned on the downside of described filter bag the liquid being provided with after being available for washing
The filter plate that body flows out, when the hydroxide cobalt filter pressing in filter bag is to time to a certain degree, and the liquid after washing is imported institute by this filter plate
State passage.
As preferably, described filter plate includes being horizontally installed on the one of pressing plate in every a pair pressing plate and be positioned at described
Upper filter plate on the downside of filter bag, this is to being horizontally arranged with the lower filter being positioned on the downside of described upper screen plate on another block pressur plate in pressing plate
Plate, this upper and lower filter plate moves and relative movement, when the hydroxide cobalt filter pressing in filter bag is to certain journey along with two corresponding pressing plates
When spending, described lower filter plate closes upper filter plate by relative movement, and on this, the liquid after washing is imported described passage by filter plate.
As preferably, described upper filter plate offers row's strip through-hole, each strip through-hole horizontally set, described lower filter
Being provided with the row's filter opening that can connect with described row's strip through-hole on plate, the diameter of each filter opening is less than each strip through-hole
Length, arranges the tapping channel connected with each strip through-hole in described upper filter plate, the liquid that this tapping channel will enter in strip through-hole
Body imports described passage..
As preferably, offer in each block pressur plate in every a pair pressing plate for this upper filter of another block pressur plate in pressing plate
The groove in this pressing plate is inserted when plate or lower filter plate relative movement.
As preferably, described tapping channel is by drain pipe and described channel connection.
As preferably, described drain pipe is provided with water pump.
As can be known from the above technical solutions, the mixed liquor after initial filter pressing is washed in the present invention can enter pressure filter by filter plate
Collecting pit, and owing to the filter pressing through early stage is washed, when after product filter pressing to a certain extent, the basic washes clean of product, and
Along with the continuation of pressure filter compresses, cleaning mixture hardly enters product and is rinsed it, therefore the mixing after later stage filter pressing washing
In liquid, impurity content is less, and this part mixed liquor then by the filter plate introduction channel again of the present invention, thus can realize mixed liquor
Recycling, save cleaning mixture, reduce cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the partial enlargement structural representation of a pair pressing plate in the present invention.
Detailed description of the invention
Describing the present invention in detail below in conjunction with Fig. 1, Fig. 2, illustrative examples and explanation in this present invention are used for
Explain the present invention, but not as a limitation of the invention.
A kind of filter-pressing device of purified hydrogen cobalt protoxide, several to vertical pressing plate 1, pressing plate described in every a pair including pressure filter
Between be provided with filter hydroxide cobalt filter bag 2, be provided with the passage 3 of negotiable cleaning mixture on the upside of pressing plate described in every a pair, described
Hydroxide cobalt in filter bag is washed by the cleaning mixture of passage flow from top to bottom, every a pair pressing plate two block pressur plates it
Between be positioned on the downside of described filter bag be provided be available for washing after liquid flow out filter plate 4, filter pressing and washing after mixed liquor pass
Filter plate enters the collecting pit of pressure filter；And when the hydroxide cobalt filter pressing in filter bag is to time to a certain degree, and this filter plate can will wash
After liquid import described passage, it is achieved the recycling of cleaning mixture.Mixing liquid in introduction channel can individually store, then
When filter pressing next time, product is carried out previous cleaning, it is possible to after mixing with new cleaning mixture, product is carried out previous cleaning.
As preferably, described filter plate 4 includes being horizontally installed on the one of pressing plate in every a pair pressing plate and being positioned at institute
Stating the upper filter plate 41 on the downside of filter bag, this is positioned on the downside of described upper screen plate being horizontally arranged with on another block pressur plate in pressing plate
Lower filter plate 42, this upper and lower filter plate moves and relative movement along with two corresponding pressing plates, when the hydroxide cobalt filter pressing in filter bag extremely
Time to a certain degree, described lower filter plate closes upper filter plate by relative movement, and on this, the liquid after washing is imported described logical by filter plate
Road；Specifically, described upper filter plate offers row's strip through-hole 43, each strip through-hole horizontally set, described lower filter plate
On be provided with the row's filter opening 44 that can connect with described row's strip through-hole, the diameter of each filter opening is less than each strip through-hole
Length, arranges the tapping channel 45 connected with each strip through-hole in described upper filter plate.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；Along with two pressing plates drive upper and lower filter plate to continue to move towards, described filter opening is wrong with strip through-hole
Opening, both are not communicated with, and i.e. play filter plate to close the strip through-hole of upper filter plate, and this is that the hydroxide cobalt filter pressing in described filter bag is to one
Determine degree；Now, the liquid after filter pressing washing only enters strip through-hole, without passing through in filter opening, collects in strip through-hole
Liquid can enter described passage by tapping channel.
From the above it can be seen that the aperture of the length of strip through-hole and filter opening determines described " to a certain degree ", therefore implementing
During, length and the aperture of filter opening of strip through-hole should be adjusted according to the content of impurity in products.When product impurity content is higher,
Its later stage pressure filtering cleaning wash after liquid in impurity content also can be of a relatively high, therefore early stage filter pressing degree should be larger, i.e. bar
The length of shape through hole should be longer, and the aperture of filter opening can also more greatly, to reduce the impurity content in later stage filter pressing wash liquid,
Ensure that the cleaning mixture impurity content in introduction channel is relatively low；When product impurity content is relatively low, its later stage pressure filtering cleaning wash after liquid
Interior impurity content is relatively low, and therefore early stage filter pressing degree can be smaller, i.e. the length of strip through-hole should be shorter, filter
The aperture in hole can also be less, can reuse cleaning mixture to greatest extent.
In the present invention, offer in each block pressur plate in every a pair pressing plate for this another block pressur plate upper in pressing plate
Insert the groove 5 in this pressing plate when filter plate or lower filter plate relative movement, so can filter up and down during two pressing plates move towards
Plate will not interfere with the motion of pressing plate, it is ensured that everything goes well with your work carries out for pressing plate；In implementation process, described tapping channel passes through drain pipe
6 are provided with water pump 7 on described channel connection, and described drain pipe, thus are pumped in passage by cleaning mixture.
The technical scheme provided the embodiment of the present invention above is described in detail, specific case used herein
Principle and embodiment to the embodiment of the present invention are set forth, and the explanation of above example is only applicable to help to understand this
The principle of inventive embodiments；Simultaneously for one of ordinary skill in the art, according to the embodiment of the present invention, in specific embodiment party
All will change in formula and range of application, in sum, this specification content should not be construed as limitation of the present invention.
Claims (6)
1. a filter-pressing device for purified hydrogen cobalt protoxide, several to vertical pressing plate including pressure filter, pressing plate described in every a pair it
Between be provided with filter hydroxide cobalt filter bag, be provided with the passage of negotiable cleaning mixture, described passage on the upside of pressing plate described in every a pair
Hydroxide cobalt in filter bag is washed by the cleaning mixture of circulation from top to bottom, it is characterised in that: at the two of every a pair pressing plate
It is positioned between block pressur plate on the downside of described filter bag and is provided with the filter plate that the liquid after being available for washing flows out, when the hydroxide in filter bag
Cobalt filter pressing is to time to a certain degree, and the liquid after washing is imported described passage by this filter plate.
The filter-pressing device of purified hydrogen cobalt protoxide the most according to claim 1, it is characterised in that: described filter plate includes laterally
Being arranged on the one of pressing plate in every a pair pressing plate and be positioned at the upper filter plate on the downside of described filter bag, this is to another in pressing plate
Being horizontally arranged with the lower filter plate being positioned on the downside of described upper screen plate on block pressur plate, this upper and lower filter plate moves along with two corresponding pressing plates
And relative movement, when the hydroxide cobalt filter pressing in filter bag is to time to a certain degree, and described lower filter plate is closed by relative movement
Filter plate, on this, the liquid after washing is imported described passage by filter plate.
The filter-pressing device of purified hydrogen cobalt protoxide the most according to claim 2, it is characterised in that: offer on described upper filter plate
Having row's strip through-hole, each strip through-hole horizontally set, described lower filter plate is provided with can with described row's strip through-hole even
Logical row's filter opening, the diameter of each filter opening is arranged and each bar shaped less than in the length of each strip through-hole, described upper filter plate
The tapping channel of through hole connection, the liquid entered in strip through-hole is imported described passage by this tapping channel.
4. according to the filter-pressing device of the purified hydrogen cobalt protoxide described in Claims 2 or 3, it is characterised in that: in every a pair pressing plate
Each block pressur plate in insert this pressure when offering for this upper filter plate of another block pressur plate in pressing plate or lower filter plate relative movement
Groove in plate.
The filter-pressing device of purified hydrogen cobalt protoxide the most according to claim 3, it is characterised in that: described tapping channel passes through
Liquid pipe and described channel connection.
The filter-pressing device of purified hydrogen cobalt protoxide the most according to claim 5, it is characterised in that: install on described 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 true CN106044869A (en) | 2016-10-26 |
| CN106044869B CN106044869B (en) | 2017-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201959608U (en) * | 2010-12-21 | 2011-09-07 | 张家港大塚化学有限公司 | Filter press |
| US8083943B2 (en) * | 2005-06-30 | 2011-12-27 | Ngk Insulators, Ltd. | Filtration device |
| 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 |
| CN102527116A (en) * | 2012-01-11 | 2012-07-04 | 浙江华友钴业股份有限公司 | Washing method of cobalt hydroxide slurry |
-
2016
- 2016-08-19 CN CN201610687035.6A patent/CN106044869B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8083943B2 (en) * | 2005-06-30 | 2011-12-27 | Ngk Insulators, Ltd. | Filtration 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 |
| CN102527116A (en) * | 2012-01-11 | 2012-07-04 | 浙江华友钴业股份有限公司 | Washing method of cobalt hydroxide slurry |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106044869B (en) | 2017-12-12 |
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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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