CN213221206U - Salt-washing backwater structure for lithium extraction device - Google Patents
Salt-washing backwater structure for lithium extraction device Download PDFInfo
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- CN213221206U CN213221206U CN202021316073.9U CN202021316073U CN213221206U CN 213221206 U CN213221206 U CN 213221206U CN 202021316073 U CN202021316073 U CN 202021316073U CN 213221206 U CN213221206 U CN 213221206U
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Abstract
The utility model provides a carry lithium device with washing salt return water structure belongs to and adsorbs and carries lithium equipment technical field. The device comprises a salt washing water outlet mechanism positioned above a belt type vacuum filter, wherein the salt washing water outlet mechanism is used for spraying salt washing liquid to the belt type vacuum filter, a salt washing liquid recovery mechanism is arranged on the belt type vacuum filter and at a position corresponding to the salt washing water outlet mechanism, and an outlet of the salt washing liquid recovery mechanism is positioned behind the salt washing water outlet mechanism and is also positioned above the belt type vacuum filter. The utility model discloses after washing salt solution recovery mechanism, the lithium salt washed out from the salt washing process can be adsorbed by the adsorbent once more, avoids the lithium salt extravagant to obtain improving the utilization ratio of the lithium salt in the raw materials brine.
Description
Technical Field
The utility model belongs to the technical field of adsorb and carry lithium equipment, a carry lithium device with washing salt return water structure is related to.
Background
The traditional equipment widely applied to the water treatment adsorption method mainly comprises an adsorption tower, a plate-and-frame filter press, a centrifugal machine and a ceramic membrane, wherein the adsorption tower needs to be matched with a granular adsorbent with the grain diameter of 1-2mm for use, and solid-liquid separation devices such as the plate-and-frame filter press and the like are mainly used for realizing solid-liquid separation. The traditional water treatment adsorption process adopts equipment which can not realize efficient washing and desalination of the adsorbent and can not realize recovery of washing, desalination and loss target elements.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a carry lithium device with washing salt return water structure is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a carry lithium device with washing salt return water structure, is including being located the washing salt play water mechanism of belt vacuum filter top, should wash salt play water mechanism and be used for spraying to belt vacuum filter and wash salt liquid, on the belt vacuum filter and with the position that washing salt goes out water mechanism and correspond be equipped with and wash salt liquid recovery mechanism, the export that should wash salt liquid recovery mechanism is located washing salt play water mechanism rear and the export that washes salt liquid recovery mechanism also is located the belt vacuum filter top simultaneously.
In the salt washing backwater structure for the lithium extraction device, the salt washing liquid recovery mechanism comprises a first vacuum box assembly located below the filter cloth of the belt type vacuum filter, the position of the first vacuum box assembly corresponds to the position of the salt washing water outlet mechanism, and an outlet of the first vacuum box assembly is connected to the rear of the salt washing water outlet mechanism through a pumping pipeline and is located above the belt type vacuum filter.
In the salt-washing backwater structure for the lithium extraction device, the first vacuum box assembly comprises a first vacuum box positioned below the filter cloth of the belt type vacuum filter, and an outlet of the first vacuum box is connected to the rear of the salt-washing water outlet mechanism through a pumping pipeline and is positioned above the belt type vacuum filter.
In the salt-washing backwater structure for the lithium extraction device, the first vacuum box assembly comprises a first vacuum box positioned below the filter cloth of the belt type vacuum filter, the first vacuum box is connected with a first suction filtering barrel through a pipeline, and an outlet of the first suction filtering barrel is connected to the rear of the salt-washing water outlet mechanism through a pumping pipeline and is positioned above the belt type vacuum filter.
In the salt washing backwater structure for the lithium extraction device, the outlet of the first suction filtration barrel is connected with a salt washing recovery water outlet pipe, and the salt washing recovery water outlet pipe is positioned above the filter cloth of the belt type vacuum filter.
In foretell carry lithium device with washing salt return water structure, first suction filtration bucket be connected with vacuum generator, first suction filtration bucket top is connected to first vacuum box bottom, first suction filtration bucket bottom is connected with washing salt return water delivery pump, washing salt return water delivery pump is connected with washing salt and is retrieved the outlet pipe.
In the salt washing backwater structure for the lithium extraction device, the outlet of the first vacuum box is connected with a salt washing recovery water outlet pipe, and the salt washing recovery water outlet pipe is positioned above the filter cloth of the belt type vacuum filter.
In the salt washing backwater structure for the lithium extraction device, at least two salt washing recycling water outlet pipes are arranged at intervals along the axial direction of the belt type vacuum filter.
In the salt-washing backwater structure for the lithium extraction device, a second vacuum box component is arranged on the belt type vacuum filter and at a position corresponding to the outlet of the salt-washing liquid recovery mechanism.
In the salt-washing backwater structure for the lithium extraction device, the second vacuum box component comprises a second vacuum box positioned below the filter cloth of the belt vacuum filter, the second vacuum box is connected with a second suction filtration barrel through a pipeline, and the second suction filtration barrel is connected with a solid-liquid separator.
Compared with the prior art, the utility model has the advantages of:
1. after passing through the salt washing liquid recovery mechanism, the lithium salt washed out from the salt washing process can be adsorbed by the adsorbent again, so that the lithium salt waste is avoided, and the utilization rate of the lithium salt in the raw material brine is improved.
2. After being recovered by the salt washing liquid recovery mechanism, the adsorbent filtered from the filter cloth can return to the filter cloth again, and meanwhile, after the adsorbent is recovered by the solid-liquid separator, the loss of the adsorbent is small, and the leakage rate of the adsorbent in a single adsorption and desorption cycle is less than 0.01 percent.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises a belt type vacuum filter 1, filter cloth 1a, a raw material brine blanking mechanism 1b, a desorption water outlet mechanism 1c, a salt washing water outlet mechanism 2, a salt washing liquid outlet pipe 2a, a salt washing liquid recovery mechanism 3, a first vacuum box assembly 4, a first vacuum box 5, a first suction filter barrel 6, a salt washing recovery outlet pipe 7, a vacuum generator 8, a conveying pump 9, a second suction filter barrel 10, a solid-liquid separator 11, a second vacuum box assembly 12 and a second vacuum box 13.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in figure 1, the salt-washing backwater structure for the lithium extraction device comprises a salt-washing water outlet mechanism 2 positioned above a belt type vacuum filter 1, wherein the belt type vacuum filter 1 comprises filter cloth 1a capable of rotating circumferentially, the filter cloth 1a is used for solid-liquid separation, namely, an adsorbent is separated from liquid, the filter cloth 1a is preferably selected from large-ventilation-rate filter cloth, and the ventilation rate of the filter cloth is more than 500L/m2S to ensure the processing capacity of separating the brine from the adsorbent, and the retention rate of the adsorbent is more than 90 percent.
The salt-washing water outlet mechanism 2 is connected with a salt-washing liquid conveying mechanism, such as a conveying pump or a high-level tank, and is used for spraying the salt-washing liquid to the belt type vacuum filter 1, so that the salt-washing liquid is contacted with the adsorbent, and the salt in the adsorbent is eluted. The salt washing water outlet mechanism 2 comprises a salt washing liquid outlet pipe 2a above the filter cloth of the belt type vacuum filter 1. The salt washing liquid outlet pipe 2a can be connected with a spraying head or a plurality of water outlets are directly arranged on the pipe, so that the salt washing liquid can be uniformly sprayed.
In the preferred scheme, at least two salt washing liquid outlet pipes 2a are arranged at intervals along the axial direction of the belt type vacuum filter 1, so that the gradient elution effect is formed, the salt in the adsorbent can be sufficiently eluted, and the principle of 'a small amount of washing for many times' in chemistry is met.
And a salt washing liquid recovery mechanism 3 is arranged on the belt type vacuum filter 1 and at a position corresponding to the salt washing water outlet mechanism 2, and an outlet of the salt washing liquid recovery mechanism 3 is positioned behind the salt washing water outlet mechanism 2 and an outlet of the salt washing liquid recovery mechanism 3 is also positioned above the belt type vacuum filter 1. It should be noted that the outlet of the washing salt solution recovery mechanism 3 is located behind the washing salt solution outlet mechanism 2, and means that the adsorbent passes through the washing salt solution outlet mechanism 2 first and then passes through the outlet of the washing salt solution recovery mechanism 3 along the transmission direction of the upper layer of the filter cloth 1a, i.e. the arrow direction in fig. 1.
It should be understood by those skilled in the art that the outlet of the salt washing liquid recycling mechanism 3 can wash the recycled salt washing liquid onto the adsorbent of the filter cloth 1a again, so that the lithium salt in the recycled salt washing liquid is adsorbed by the adsorbent again, thereby avoiding the waste of the lithium salt, and certainly, also having the salt adsorbed on the adsorbent, the utility model aims to wash the lithium salt by the salt washing water outlet mechanism 2, and then the desorbed lithium salt is adsorbed by the adsorbent again, thereby avoiding the waste of the lithium salt.
The salt washing liquid recovery mechanism 3 comprises a first vacuum box component 4 positioned below the filter cloth of the belt type vacuum filter 1, the first vacuum box component 4 is connected with a vacuum device such as a vacuum pump, so that vacuum is realized inside, the vacuum suction filtration effect is formed on the lower surface of the filter cloth 1a, the salt washing liquid is sucked into the first vacuum box component 4, and salt in the adsorbent is eluted. The position of the first vacuum box component 4 corresponds to the position of the salt washing water outlet mechanism 2, and the outlet of the first vacuum box component 4 is connected to the rear part of the salt washing water outlet mechanism 2 through a pumping pipeline and is simultaneously positioned above the belt type vacuum filter 1. The pumping pipeline refers to that the first vacuum box assembly 4 is connected with a delivery pump, and the delivery pump is connected above the belt type vacuum filter 1 through a pipeline.
Specifically, the first vacuum box assembly 4 comprises a first vacuum box 5 positioned below the filter cloth of the belt type vacuum filter 1, and the first vacuum box 5 is connected with an external vacuum pump, so that the first vacuum box 5 can generate vacuum. The outlet of the first vacuum box 5 is connected to the rear part of the salt-washing water outlet mechanism 2 through a pumping pipeline and is positioned above the belt type vacuum filter 1. The outlet of the first vacuum box 5 is connected with a salt washing recovery water outlet pipe 7, and the salt washing recovery water outlet pipe 7 is positioned above the filter cloth of the belt type vacuum filter 1. The salt washing recovery water outlet pipe 7 can be connected with a spray head or a water outlet which is not used is directly arranged on the pipe, so that the effect of uniform spraying is realized.
Preferably, the first vacuum box assembly 4 comprises a first vacuum box 5 located below the filter cloth of the belt type vacuum filter 1, the first vacuum box 5 is connected with a first suction filter barrel 6 through a pipeline, the first suction filter barrel 6 is connected with a vacuum generator 8, and an outlet of the first suction filter barrel 6 is connected to the rear of the salt washing water outlet mechanism 2 through a pumping pipeline and is located above the belt type vacuum filter 1.
The outlet of the first suction filtration barrel 6 is connected with a salt washing recovery water outlet pipe 7, and the salt washing recovery water outlet pipe 7 is positioned above the filter cloth 1a of the belt type vacuum filter 1. Preferably, the salt washing recovery water outlet pipes 7 are at least two and are axially arranged at intervals along the belt type vacuum filter 1, and in the embodiment, the salt washing recovery water outlet pipes 7 are provided with a plurality of pipes, so that the effect of gradient adsorption is achieved, and the adsorption rate of the adsorbent to the lithium salt in the salt washing recovery water is also improved. The lithium ion battery lithium ion adsorbent is characterized in that the filter cloth 1a rotates continuously, and the filter cloth 1a is sprayed by multi-stage backwater, so that the multi-stage adsorption of the lithium ion adsorbent to lithium salt is realized.
The specific scheme of the first vacuum box assembly 4 is that the first vacuum box 5 is connected with the first suction filter barrel 6, the first suction filter barrel 6 is connected with the vacuum generator 8, the bottom of the first vacuum box 5 is connected with the top of the first suction filter barrel 6, the bottom of the first suction filter barrel 6 is connected with the salt washing return water conveying pump 9, and the salt washing return water conveying pump 9 is connected with the salt washing recovery water outlet pipe 7.
A second vacuum box component 12 is arranged on the belt type vacuum filter 1 and at the position corresponding to the outlet of the salt washing liquid recovery mechanism 3. The second vacuum box assembly 12 is used for collecting the absorption liquid after the lithium salt recovery is performed on the adsorbent by the salt washing liquid recovery mechanism 3.
Specifically, the second vacuum box assembly 12 comprises a second vacuum box 13 positioned below the filter cloth of the belt type vacuum filter 1, the second vacuum box 13 is connected with a second suction filter barrel 10 through a pipeline, and the second suction filter barrel 10 is connected with a solid-liquid separator 11. The second lauter tub 10 is also connected with a vacuum generator such as a vacuum pump, etc., so that the second vacuum box 13 is vacuumed. The solid-liquid separator 11 in this embodiment is a magnetic separator, a three-leg separator, a disk separator, a high-precision filter, or the like, and is configured to separate the adsorbent from the liquid and recover the adsorbent, and if the adsorbent has magnetism, the magnetic separator is selected, and if the adsorbent does not have magnetism, other solid-liquid separation equipment is selected as the magnetic separator.
The utility model discloses a theory of operation is:
as shown in fig. 1, a raw material brine blanking mechanism 1b, a salt washing water outlet mechanism 2, a desorption water outlet mechanism 1c and a salt washing liquid recovery mechanism 3 are sequentially arranged on a belt type vacuum filter 1 along the transmission direction of a filter cloth 1a, wherein the raw material brine blanking mechanism 1b is used for conveying a mixture of an adsorbent and brine to the filter cloth 1a, the separation of the brine from the adsorbent is realized through vacuum, the adsorbent is adsorbed on the filter cloth 1a, and the adsorbent continuously passes through the salt washing water outlet mechanism 2, the desorption water outlet mechanism 1c and the salt washing liquid recovery mechanism 3 along with the transmission of the filter cloth 1 a.
The salt washing water outlet mechanism 2 sprays pure water to wash out salt adsorbed by the adsorbent to obtain salt washing liquid, the salt washing liquid is sucked into the first pumping filtration barrel 6 through the vacuum box 5 after filtering filter cloth, and then is input into the salt washing recovery water outlet pipe 7 through the delivery pump 9 to be sprayed out, the adsorbent below the salt washing recovery water outlet pipe 7 is sprayed, and lithium salt in the salt washing liquid is adsorbed into the adsorbent.
Before the adsorbent passes through the salt washing recovery water outlet pipe 7, pure water is sprayed through the desorption water outlet mechanism 1c, lithium salt in the adsorbent is sucked out, and a lithium-containing solution is obtained for industrial application.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the spirit of the invention.
Claims (10)
1. The utility model provides a carry lithium device with washing salt return water structure, goes out water mechanism (2) including the salt that is located belt vacuum filter (1) top, should wash salt and go out water mechanism (2) and be used for spraying to belt vacuum filter (1) and wash salt liquid, its characterized in that, on belt vacuum filter (1) and with the position that washing salt goes out water mechanism (2) and correspond be equipped with and wash salt liquid recovery mechanism (3), the export of this washing salt liquid recovery mechanism (3) is located and washes salt and go out water mechanism (2) rear and wash the export of salt liquid recovery mechanism (3) and also be located belt vacuum filter (1) top simultaneously.
2. The brine-washing backwater structure for the lithium extraction device according to claim 1, wherein the brine-washing recovery mechanism (3) comprises a first vacuum box assembly (4) positioned below the filter cloth of the belt type vacuum filter (1), the position of the first vacuum box assembly (4) corresponds to the position of the brine-washing effluent mechanism (2), and the outlet of the first vacuum box assembly (4) is connected to the rear of the brine-washing effluent mechanism (2) through a pumping pipeline and is positioned above the belt type vacuum filter (1) at the same time.
3. The salt-washing backwater structure for the lithium extraction device according to claim 2, wherein the first vacuum box assembly (4) comprises a first vacuum box (5) positioned below the filter cloth of the belt type vacuum filter (1), and an outlet of the first vacuum box (5) is connected to the rear of the salt-washing water outlet mechanism (2) through a pumping pipeline and is positioned above the belt type vacuum filter (1).
4. The salt-washing backwater structure for the lithium extraction device according to claim 2, wherein the first vacuum box assembly (4) comprises a first vacuum box (5) located below the filter cloth of the belt type vacuum filter (1), the first vacuum box (5) is connected with a first suction filter barrel (6) through a pipeline, and an outlet of the first suction filter barrel (6) is connected to the rear of the salt-washing water outlet mechanism (2) through a pumping pipeline and is located above the belt type vacuum filter (1) at the same time.
5. The lithium extraction device salt-washing backwater structure as claimed in claim 4, wherein the outlet of the first suction filter barrel (6) is connected with a salt-washing recovery outlet pipe (7), and the salt-washing recovery outlet pipe (7) is positioned above the filter cloth of the belt type vacuum filter (1).
6. The salt-washing backwater structure for the lithium extraction device according to claim 5, wherein the first pumping barrel (6) is connected with a vacuum generator (8), the bottom of the first vacuum box (5) is connected with the top of the first pumping barrel (6), the bottom of the first pumping barrel (6) is connected with a salt-washing backwater delivery pump (9), and the salt-washing backwater delivery pump (9) is connected with a salt-washing recycling water outlet pipe (7).
7. The salt washing backwater structure for the lithium extraction device as claimed in claim 3, wherein the outlet of the first vacuum box (5) is connected with a salt washing recovery outlet pipe (7), and the salt washing recovery outlet pipe (7) is positioned above the filter cloth of the belt type vacuum filter (1).
8. The lithium extraction device used for washing salt and returning water according to claim 5 or 7, characterized in that at least two washing salt and recovering water outlet pipes (7) are arranged along the axial direction of the belt type vacuum filter (1) at intervals.
9. The salt-washing backwater structure for the lithium extraction device according to claim 1, wherein a second vacuum box assembly (12) is arranged on the belt type vacuum filter (1) and at a position corresponding to the outlet of the salt-washing liquid recovery mechanism (3).
10. The salt-washing backwater structure for the lithium extraction device according to claim 9, wherein the second vacuum box assembly (12) comprises a second vacuum box (13) located below the filter cloth of the belt type vacuum filter (1), the second vacuum box (13) is connected with the second suction filtering barrel (10) through a pipeline, and the second suction filtering barrel (10) is connected with the solid-liquid separator (11).
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| CN202021316073.9U CN213221206U (en) | 2020-07-07 | 2020-07-07 | Salt-washing backwater structure for lithium extraction device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022007662A1 (en) * | 2020-07-07 | 2022-01-13 | 浙江衢州明德新材料有限公司 | Band filter and application thereof in extraction of lithium from brine using adsorption method |
| WO2022007811A1 (en) * | 2020-07-07 | 2022-01-13 | 浙江衢州明德新材料有限公司 | Device for extracting lithium from brine by using adsorption method |
| CN115744941A (en) * | 2022-11-15 | 2023-03-07 | 江苏万邦达环保科技有限公司 | Low-loss adsorbent salt lake brine adsorption lithium extraction equipment |
| WO2023124872A1 (en) * | 2021-12-31 | 2023-07-06 | 比亚迪股份有限公司 | Lithium extraction apparatus and lithium extraction method |
-
2020
- 2020-07-07 CN CN202021316073.9U patent/CN213221206U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022007662A1 (en) * | 2020-07-07 | 2022-01-13 | 浙江衢州明德新材料有限公司 | Band filter and application thereof in extraction of lithium from brine using adsorption method |
| WO2022007811A1 (en) * | 2020-07-07 | 2022-01-13 | 浙江衢州明德新材料有限公司 | Device for extracting lithium from brine by using adsorption method |
| WO2023124872A1 (en) * | 2021-12-31 | 2023-07-06 | 比亚迪股份有限公司 | Lithium extraction apparatus and lithium extraction method |
| CN115744941A (en) * | 2022-11-15 | 2023-03-07 | 江苏万邦达环保科技有限公司 | Low-loss adsorbent salt lake brine adsorption lithium extraction equipment |
| CN115744941B (en) * | 2022-11-15 | 2023-10-13 | 江苏万邦达环保科技有限公司 | Salt lake brine adsorption lithium extraction equipment with low-loss adsorbent |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220606 Address after: 810000 room 1013, building 1, No. 457, Qiyi Road, Chengzhong District, Xining City, Qinghai Province Patentee after: Xining Yongzheng Lithium Industry Co.,Ltd. Address before: 324000 4th floor, No.23 Huayang Road, Kaihua County, Quzhou City, Zhejiang Province (self declaration) Patentee before: Zhejiang Quzhou Mingde New Material Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 101, No. 15 Chuncheng Road, Quzhou City, Zhejiang Province, 324012 Patentee after: Quzhou Yongzheng Lithium Industry Technology Co.,Ltd. Address before: 810000 room 1013, building 1, No. 457, Qiyi Road, Chengzhong District, Xining City, Qinghai Province Patentee before: Xining Yongzheng Lithium Industry Co.,Ltd. |