CN210583956U - A vacuum belt filter washes edulcoration device for lithium ore pulp - Google Patents
A vacuum belt filter washes edulcoration device for lithium ore pulp Download PDFInfo
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- CN210583956U CN210583956U CN201921354311.2U CN201921354311U CN210583956U CN 210583956 U CN210583956 U CN 210583956U CN 201921354311 U CN201921354311 U CN 201921354311U CN 210583956 U CN210583956 U CN 210583956U
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- flushing pipe
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Abstract
The utility model discloses a vacuum belt filter washes edulcoration device for lithium ore pulp belongs to metallurgical technical field to solve the vacuum belt filter and get rid of the incomplete problem of soluble salt in the lithium ore pulp. The device is including establishing washing ore deposit frame, one-level washing unit, the second grade washing unit in vacuum belt filter both sides, and one-level washing unit is including causticization sediment filtration water tank, heating bath, the one-level flushing pipe that connects gradually, and the one-level flushing pipe is established on the washing ore deposit frame of vacuum belt filter front end, and the second grade washing unit is established on the washing ore deposit frame of vacuum belt filter rear end including condensate tank and the second grade flushing pipe of interconnect, second grade flushing pipe. The utility model discloses simple structure, processing simple to operate, it is easy and simple to handle, can get rid of the soluble ion in the filter cake greatly, for rear end edulcoration technology reduction load, economic effect is showing.
Description
Technical Field
The utility model belongs to the technical field of the metallurgy, concretely relates to a vacuum belt filter washes edulcoration device for lithium pulp.
Background
Lithium concentrate of the Tibet salt lake contains 50-75% of lithium carbonate, and the balance of trona, glaserite, halite and clay minerals accounting for 3-5% of the lithium carbonate, and a small amount of sodium silicate, quartz, feldspar, tremolite and other inclusions.
The company uses the ore as a raw material to purify more than 99 percent of lithium carbonate products, adopts a lime causticization method, and has the following process flow: the lithium concentrate is ground → ore washing → causticization → separation of lithium hydroxide solution and lithium slag → evaporation concentration → impurity removal → carbon dioxide carbonization → separation and washing → lithium carbonate product.
In the prior art, after ore washing, a vacuum belt filter is used for adding ore pulp onto filter cloth from a feeding port of the filter, soluble impurities in the ore pulp are pumped out along with ore washing mother liquor under the action of vacuum, the ore pulp is subsequently treated by other procedures, and filter cakes with the soluble impurities removed are used for subsequent production after being mixed again.
Because the ore pulp after ore washing contains soluble ions such as potassium ions, sodium ions, chloride ions and the like, if the soluble ions are removed as much as possible in the step of taking the filter, the efficiency of the subsequent impurity removal process is greatly improved, and therefore research and development personnel provide a vacuum belt filter washing and impurity removing device for lithium ore pulp to solve the problems in the background technology.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vacuum belt filter washes edulcoration device for lithium ore pulp to solve the vacuum belt filter and get rid of the incomplete problem of soluble salt in the lithium ore pulp.
In order to solve the above problems, the utility model discloses technical scheme does:
the utility model provides a vacuum belt filter washes edulcoration device for lithium pulp, is including establishing the washing frame, one-level washing unit, the second grade washing unit in vacuum belt filter both sides, and one-level washing unit is including causticization sediment strained water groove, heating tank, the one-level flushing pipe that connects gradually, and the one-level flushing pipe is established on the washing frame of vacuum belt filter front end, and the second grade washing unit is including the condensate tank and the second grade flushing pipe of interconnect, and the second grade flushing pipe is established on the washing frame of vacuum belt filter rear end.
Furthermore, at least 2 nozzles are arranged on the first-stage flushing pipe and the second-stage flushing pipe.
Furthermore, the first-level flushing pipe is installed on 3 ore washing racks at the front end of the vacuum belt filter in a zigzag folding manner.
Furthermore, the secondary flushing pipes are installed on 3 ore washing racks at the rear end of the vacuum belt filter in a zigzag folding manner.
The utility model has the advantages as follows:
(1) the utility model utilizes the first-stage flushing device and the second-stage flushing device which are arranged at the front end and the rear end of the vacuum belt filter in operation to carry out two-stage flushing on soluble ions such as potassium ions, sodium ions and chloride ions contained in lithium ore pulp, removes the soluble ions in filter cakes through flushing in the belt filter link as much as possible, and is convenient for impurity removal of the subsequent process; the first-stage flushing device utilizes residual water collected during recovery of causticized slag generated by the rear-end thickener, and the residual water stored in the causticized slag filtering residual water tank can be used for first-stage flushing due to low potassium and sodium plasma content in the residual water to remove a part of soluble ions in a filter cake on the vacuum belt filter; the second grade washing unit utilizes the steam condensate water of collecting in the condensate tank, and the multiunit jacket equipment produced in using in the factory washes vacuum belt filter cake once more, and more soluble ions infiltrate down along with clean steam condensate water, collect in vacuum belt filter's vacuum flowing back jar, and the unified collection is as the mother liquor, and the pond is shone in the emission, and the unified processing after the natural concentration.
(2) The arrangement of a plurality of groups of nozzles enables the flushing to be more uniform; the primary washing pipe is longer in arrangement, is installed on 3 ore washing frames at the front end of the vacuum belt filter in a zigzag folding manner, is convenient and quick to install, is simple and convenient to replace, and has a large washing area and a good washing effect; the arrangement of the secondary flushing pipe is similar, so that the flushing effect is enhanced.
(3) The utility model discloses simple structure, processing simple to operate, it is easy and simple to handle, can get rid of the soluble ion in the filter cake greatly, for rear end edulcoration technology reduction load, economic effect is showing.
Drawings
FIG. 1 is a schematic structural diagram of a vacuum belt filter flushing and impurity removing device for lithium ore pulp;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic structural diagram of an ore washing rack in a vacuum belt filter washing and impurity removing device for lithium ore pulp.
The reference numbers are as follows: 1. a lithium slurry tank; 2. a vacuum belt filter; 21. a feeding port; 22. a vacuum liquid discharge tank; 23. washing the ore rack; 24. a primary flush pipe; 25. a secondary flush pipe; 26. a nozzle; . 3. A heating tank; 31. a causticized slag residual water filtering tank; 4. a condensate tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, a vacuum belt filter washing and impurity removing device for lithium ore pulp comprises an ore washing rack 23, a first-stage washing device and a second-stage washing device which are arranged at two sides of a vacuum belt filter 2, wherein the first-stage washing device comprises a causticized slag filtration water tank 31, a heating tank 3 and a first-stage washing pipe 24 which are sequentially connected, the first-stage washing pipe 24 is arranged on the ore washing rack 23 at the front end of the vacuum belt filter 2, the second-stage washing device comprises a condensed water tank 4 and a second-stage washing pipe 25 which are mutually connected, and the second-stage washing pipe 25 is arranged on the ore washing rack 23 at the rear end of the vacuum belt filter 2. At least 2 nozzles 26 are arranged on the primary flushing pipe 24 and the secondary flushing pipe 25.
Specifically, the method comprises the following steps: the primary washing pipe 24 is installed on 3 ore washing racks 23 at the front end of the vacuum belt filter 2 in a serpentine shape. The secondary flushing pipes 25 are installed on 3 ore washing racks 23 at the rear end of the vacuum belt filter 2 in a serpentine shape.
During operation, the washed lithium ore pulp enters the vacuum belt filter 2 from the lithium pulp tank 1 through the feeding port 21, liquid in the ore pulp enters the vacuum liquid discharge tank 22 under vacuum filtration, and solid filter residue is on the upper surface of the vacuum belt filter 2 and slowly moves backwards.
The causticized slag residual water filtering tank 31 is used for collecting residual water generated in the recovery of causticized slag generated by a rear-end thickener, wherein the content of potassium and sodium plasma is low, the residual water can be used for the first-stage washing, the potassium and sodium ion removal rate is easily improved by warm water after the residual water is heated by the heating tank 3, and a part of soluble ions in a filter cake on the vacuum belt filter 2 are removed by washing.
What collect in the condensate tank 4 is the steam condensate water that produces in the use of the multiunit jacket equipment in the factory, and is relatively pure, can be used to the second grade and wash, because it is that steam cooling comes, the temperature still exists, washes with it on the vacuum belt filter cake once more, and more soluble ions are along with clean steam condensate water infiltration, and the sparge water is collected in vacuum drainage tank 22 of vacuum belt filter 2, and the unified collection is arranged as the mother liquor, and the pond is shone in the discharge of income, and the unified processing after the natural concentration.
In the pipeline for liquid conveying, a conveying pump can be arranged on a required pipeline line for realizing the conveying of the feed liquid from low to high, and the conveying pump does not need to be additionally arranged on the pipeline with the height difference and capable of automatically flowing, so that the equipment cost and the power are saved.
Claims (4)
1. The utility model provides a vacuum belt filter washes edulcoration device for lithium ore pulp which characterized in that: comprises ore washing frames (23) arranged at two sides of a vacuum belt filter (2), a primary washing device and a secondary washing device,
the one-level flushing device comprises a causticized slag residual-water filtering tank (31), a heating tank (3) and a one-level flushing pipe (24) which are sequentially connected, wherein the one-level flushing pipe (24) is arranged on an ore washing rack (23) at the front end of the vacuum belt filter (2), the two-level flushing device comprises a condensed water tank (4) and a two-level flushing pipe (25) which are mutually connected, and the two-level flushing pipe (25) is arranged on the ore washing rack (23) at the rear end of the vacuum belt filter (2).
2. The vacuum belt filter washing and impurity removing device for lithium ore pulp as claimed in claim 1, characterized in that: the first-stage flushing pipe (24) and the second-stage flushing pipe (25) are respectively provided with at least 2 nozzles (26).
3. The vacuum belt filter washing and impurity removing device for lithium ore pulp as claimed in claim 2, characterized in that: the first-level flushing pipe (24) is installed on 3 ore washing racks (23) at the front end of the vacuum belt filter (2) in a zigzag folding manner.
4. The vacuum belt filter washing and impurity removing device for lithium ore pulp as claimed in claim 3, characterized in that: the secondary flushing pipe (25) is installed on 3 ore washing racks (23) at the rear end of the vacuum belt filter (2) in a zigzag folding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921354311.2U CN210583956U (en) | 2019-08-20 | 2019-08-20 | A vacuum belt filter washes edulcoration device for lithium ore pulp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921354311.2U CN210583956U (en) | 2019-08-20 | 2019-08-20 | A vacuum belt filter washes edulcoration device for lithium ore pulp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210583956U true CN210583956U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921354311.2U Expired - Fee Related CN210583956U (en) | 2019-08-20 | 2019-08-20 | A vacuum belt filter washes edulcoration device for lithium ore pulp |
Country Status (1)
| Country | Link |
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| CN (1) | CN210583956U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111729350A (en) * | 2020-07-07 | 2020-10-02 | 浙江衢州明德新材料有限公司 | Equipment for extracting lithium from brine by adsorption method |
| CN111825152A (en) * | 2020-07-07 | 2020-10-27 | 浙江衢州明德新材料有限公司 | Belt filter and application thereof in adsorption method brine lithium extraction |
| CN111826531A (en) * | 2020-07-07 | 2020-10-27 | 浙江衢州明德新材料有限公司 | Method for extracting lithium from brine by using powdery adsorbent |
-
2019
- 2019-08-20 CN CN201921354311.2U patent/CN210583956U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111729350A (en) * | 2020-07-07 | 2020-10-02 | 浙江衢州明德新材料有限公司 | Equipment for extracting lithium from brine by adsorption method |
| CN111825152A (en) * | 2020-07-07 | 2020-10-27 | 浙江衢州明德新材料有限公司 | Belt filter and application thereof in adsorption method brine lithium extraction |
| CN111826531A (en) * | 2020-07-07 | 2020-10-27 | 浙江衢州明德新材料有限公司 | Method for extracting lithium from brine by using powdery adsorbent |
| CN111825152B (en) * | 2020-07-07 | 2022-11-01 | 西宁永正锂业有限公司 | Belt filter and application thereof in adsorption method brine lithium extraction |
| CN111729350B (en) * | 2020-07-07 | 2023-09-08 | 衢州永正锂业科技有限公司 | Equipment for extracting lithium from brine by adsorption method |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 Termination date: 20210820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |