CN221230089U - Lithium electric material washing filtrate solid content recovery unit - Google Patents
Lithium electric material washing filtrate solid content recovery unit Download PDFInfo
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- CN221230089U CN221230089U CN202323055196.8U CN202323055196U CN221230089U CN 221230089 U CN221230089 U CN 221230089U CN 202323055196 U CN202323055196 U CN 202323055196U CN 221230089 U CN221230089 U CN 221230089U
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- pipeline
- filter
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- tank
- flow direction
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- 238000005406 washing Methods 0.000 title claims abstract description 39
- 238000011084 recovery Methods 0.000 title claims abstract description 22
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000000706 filtrate Substances 0.000 title claims abstract description 21
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 21
- 239000007787 solid Substances 0.000 title claims abstract description 19
- 239000002305 electric material Substances 0.000 title description 2
- 239000000463 material Substances 0.000 claims abstract description 103
- 239000007788 liquid Substances 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000010802 sludge Substances 0.000 claims abstract description 21
- 239000006228 supernatant Substances 0.000 claims abstract description 18
- 238000001914 filtration Methods 0.000 claims description 29
- 239000002351 wastewater Substances 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 5
- 238000010009 beating Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000010865 sewage Substances 0.000 abstract description 13
- 239000002699 waste material Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 8
- 238000003825 pressing Methods 0.000 abstract description 6
- 239000002912 waste gas Substances 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 abstract description 4
- 239000002002 slurry Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 239000010405 anode material Substances 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a solid content recovery device for washing filtrate of lithium battery materials, which belongs to the technical field of lithium battery production and comprises a washing kettle and a filter press, wherein the washing kettle is connected with the filter press through a material pipeline; the upper part of the precise filter is connected with a sludge tank through a supernatant pipe, and the lower part of the precise filter is connected with a water washing kettle through a sludge material pipe; the upper part of the pressure release tank is connected with the sludge pond through an exhaust pipeline; the upper part of the precision filter is connected with a back flush pure water tank through a back flush pure water pipeline. Waste liquid flows into the pressure release tank from filter pressing equipment to be decompressed, the decompressed material is pumped into the precise filter to be concentrated through the pump, supernatant fluid flows into the sewage pool through the clean water gap, and lower-layer pus is pumped into the washing kettle through the slurry pump to be subjected to secondary filter pressing. The equipment can not cause material running in the use process, and can effectively recycle materials in waste liquid and reform waste gas.
Description
Technical Field
The utility model relates to the technical field of lithium battery production, in particular to a solid content recovery device for a lithium battery material washing filtrate.
Background
At present, most battery anode material manufacturers adopt a wet process, materials need to be washed with alkali, a filter press or a centrifuge is generally adopted to filter the washed materials, and an interception net adopts a filter cloth made of a high polymer material, so that most of water is removed, and the materials in a block shape are obtained. In the extrusion process, under the action of pressure or centrifugal force, part of the materials can permeate through the filter cloth and flow to a sewage pipeline along with the filtrate. The material is extruded and then blown by wind, the wind blowing pressure is estimated to be 0.5MPa, the material can be caused to run under the pressure of wind, and waste gas and waste water can splash when being discharged to a sewage pool, so that environmental pollution is caused. Each time the material is washed, the waste liquid splashes, the material running is estimated to be 0.5%, the current raw materials are expensive, the waste material recovery is difficult, and the material recovery and waste gas transformation in the waste liquid are extremely important.
Disclosure of utility model
The utility model aims to overcome the problems in the prior art, and provides a lithium battery material washing filtrate solid content recovery device which solves the technical problems that a battery anode material manufacturer adopts a wet process to filter-press washed materials by adopting a filter press or a centrifuge, part of the materials are blown to cause material running after being extruded through a filter cloth along with filtrate to a sewage pipeline and the materials are extruded under the action of pressure or centrifugal force in the extrusion process, and waste gas and waste water are splashed to cause environmental pollution when discharged to a sewage tank.
In order to achieve the above purpose, the technical scheme adopted is as follows: the solid content recovery device for the lithium battery material washing filtrate comprises a washing kettle and a filter press, wherein the washing kettle is connected with the filter press through a material pipeline, the filter press is connected with a pressure release tank through a waste water pipeline, and the pressure release tank is connected with a precision filter; the upper part of the precise filter is connected with a sludge tank through a supernatant pipe, and the lower part of the precise filter is connected with the water washing kettle through a sludge material pipe; the upper part of the pressure relief tank is connected with the sludge pond through an exhaust pipeline; the upper part of the precision filter is connected with a back flush pure water tank through a back flush pure water pipeline.
The precise filters are parallelly provided with the same first precise filter and the same second precise filter; a liquid collecting tank is arranged between the pressure relief tank and the first and second precise filters, the feed end of the liquid collecting tank is connected with the pressure relief tank through a liquid collecting pipeline, and the discharge end of the liquid collecting tank is connected with the first and second precise filters through a precise filtering pipeline; the upper parts of the first precise filter and the second precise filter are connected with a secondary filtering pipeline, and the other end of the secondary filtering pipeline is connected with the liquid collecting tank.
The front end of the material pipeline is connected with a first material pump, and the rear end of the material pipeline is provided with a first electric ball valve; the waste water pipeline is connected with a second electric ball valve, and the liquid collecting pipeline is connected with a third electric ball valve.
The front end of the precise filtering pipeline along the material flow direction is connected with a fourth electric ball valve, and the rear end of the precise filtering pipeline along the material flow direction is connected with a second material beating pump; the front end of the silt material pipeline along the material flow direction is connected with a sludge pump, and the rear end of the silt material pipeline along the material flow direction is connected with a fifth electric ball valve.
The front end of the supernatant pipeline along the material flow direction is connected with a turbidity meter, and the rear end of the supernatant pipeline along the material flow direction is connected with a sixth electric ball valve; the front end of the secondary filtering pipeline along the material flow direction is connected with an eighth electric ball valve, and the rear end of the secondary filtering pipeline along the material flow direction is connected with a filtering liquid pump.
The front end of the back flush pure water pipeline along the material flow direction is connected with a seventh electric ball valve, and the rear end of the back flush pure water pipeline along the material flow direction is connected with a pure water pump.
The beneficial effects of adopting above-mentioned scheme are: the application relates to a solid content recovery device for washing filtrate of a lithium battery material, which mainly adopts waste liquid concentration and recovery, and consists of a set of pressure relief equipment and a set of precise filter. The main equipment comprises a pressure release tank, a precision filter, a back flushing system, a pump and the like. Waste liquid flows into the pressure release tank from filter pressing equipment to be decompressed, the decompressed material is pumped into the precise filter to be concentrated through the pump, supernatant fluid flows into the sewage pool through the clean water gap, and lower-layer pus is pumped into the washing kettle through the slurry pump to be subjected to secondary filter pressing. The device can not cause material running in the use process, and if the supernatant fluid does not reach the discharge standard, the device carries out circulating filtration. According to the technical scheme, materials in the waste liquid can be effectively recycled, and waste gas is reformed.
Drawings
Fig. 1 is a schematic diagram showing a top view structure of a solid content recovery device for a lithium battery material washing filtrate.
Fig. 2 is a schematic diagram showing a top view structure of a device for recovering solid content of a lithium battery material washing filtrate.
In the figure, a 1-water washing kettle, a 2-filter press, a 3-pressure relief tank, a 4-liquid collecting tank, a 5-first precise filter, a 6-second precise filter, a 7-back washing pure water tank, an 8-sludge tank, a 9-material pipeline, a 901-first material pump, a 902-first electric ball valve, a 10-waste water pipeline, a 1001-second electric ball valve, a 11-liquid collecting pipeline, a 1101-third electric ball valve, a 12-precise filter pipeline, a 1201-second material pump, a 1202-fourth electric ball valve, a 13-sludge material pipeline, a 1301-sludge pump, a 1302-fifth electric ball valve, a 14-supernatant pipeline, a 1401-turbidity meter, a 1402-sixth electric ball valve, a 15-back washing pure water pipeline, a 1501-pure water pump, a 1502-seventh electric ball valve, a 16-secondary filter pipeline, a 1601-filter liquid pump, a 1602-eighth electric ball valve and a 17-waste gas pipeline are shown.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in the following in connection with the specific embodiments of the present utility model. The described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It is to be understood that the following terms may be included herein for convenience of description and simplicity of description, or are merely based on the relationships shown in the drawings, and are not to be construed as indicating or implying any particular relationship or relationships that is essential such, and should not be construed as limiting the present invention, as broadly as is required by those skilled in the art.
Terms such as "upper," "lower," "front," "back," "left," "right," "top," "bottom," "inner," "outer," and the like refer to an orientation or positional relationship. Step number terms such as "1", "2", "first", "second", etc. The terms "a," "an," "1," "a plurality of," and the like. Terms of positional relationship such as "mounted," "connected," and the like.
Embodiment one:
As shown in fig. 1 to 2, the lithium battery material washing filtrate solid content recovery device comprises a washing kettle 1 and a filter press 2, wherein the washing kettle 1 is connected with the filter press 2 through a material pipeline 9, the filter press 2 is connected with a pressure release tank 3 through a waste water pipeline 10, and the pressure release tank 3 is connected with a precision filter; the upper part of the precise filter is connected with a sludge tank 8 through a supernatant pipeline 14, and the lower part of the precise filter is connected with the water-washing kettle 1 through a sludge material pipeline 13; the upper part of the pressure release tank 3 is connected with the sludge pond 8 through an exhaust pipeline 17; the upper part of the precision filter is connected with a back flush pure water tank 7 through a back flush pure water pipeline 15.
Preferably, the precise filters are provided with the same first precise filter 5 and second precise filter 6 in parallel; a liquid collecting tank 4 is arranged between the pressure relief tank 3 and the first precise filter 5 and the second precise filter 6, the feeding end of the liquid collecting tank 4 is connected with the pressure relief tank 3 through a liquid collecting pipeline 11, and the discharging end of the liquid collecting tank 4 is connected with the first precise filter 5 and the second precise filter 6 through a precise filter pipeline 12; the upper parts of the first precise filter 5 and the second precise filter 6 are connected with a secondary filtering pipeline 16, and the other end of the secondary filtering pipeline 16 is connected with the liquid collecting tank 4.
The precise filter consists of a cylinder, a stainless steel filter screen, a sewage discharging part, a transmission device and an electric control part. When the precise filter works, water to be filtered enters from the water gap, flows through the filter screen, enters a pipeline required by a user through the outlet for process circulation, and particles and acrobatics in the water are trapped inside the filter screen. The continuous circulation is carried out, the trapped particles are more and more, the filtering speed is slower and slower, the imported sewage is still continuously introduced, the filtering holes are smaller and smaller, so that pressure difference is generated between the inlet and the outlet, when the difference in height reaches a set value, the differential pressure transmitter transmits an electric signal to the controller, the control system starts the back flushing system to flush the filter screen, after the filter screen is cleaned, the pressure difference is reduced to the minimum value, the system returns to the original filtering state, and the system operates normally. The inside baffle that adopts of pressure release jar cuts gas to reduce pressure, the top adopts the relief valve, ensures the internal safety of jar.
The solid content recovery device for the lithium battery material washing filtrate mainly adopts waste liquid concentration and recovery, and is composed of a set of pressure relief equipment and a set of precise filter. The main equipment comprises a pressure release tank, a precision filter, a back flushing system, a pump and the like. Waste liquid flows into the pressure release tank 3 from filter pressing equipment to be decompressed, the material after decompression is pumped into a precision filter to be concentrated through a pump, supernatant flows into a sewage pool through a clean water port, and lower-layer pus is pumped into a water washing kettle through a slurry pump to be subjected to secondary filter pressing. The device can not cause material running in the use process, and if the supernatant fluid does not reach the discharge standard, the device carries out circulating filtration.
Embodiment two:
As shown in fig. 1 to 2, the lithium battery material washing filtrate solid content recovery device comprises a washing kettle 1 and a filter press 2, wherein the washing kettle 1 is connected with the filter press 2 through a material pipeline 9, the filter press 2 is connected with a pressure release tank 3 through a waste water pipeline 10, and the pressure release tank 3 is connected with a precision filter; the upper part of the precise filter is connected with a sludge tank 8 through a supernatant pipeline 14, and the lower part of the precise filter is connected with the water-washing kettle 1 through a sludge material pipeline 13; the upper part of the pressure release tank 3 is connected with the sludge pond 8 through an exhaust pipeline 17; the upper part of the precision filter is connected with a back flush pure water tank 7 through a back flush pure water pipeline 15.
Preferably, the precise filters are provided with the same first precise filter 5 and second precise filter 6 in parallel; a liquid collecting tank 4 is arranged between the pressure relief tank 3 and the first precise filter 5 and the second precise filter 6, the feeding end of the liquid collecting tank 4 is connected with the pressure relief tank 3 through a liquid collecting pipeline 11, and the discharging end of the liquid collecting tank 4 is connected with the first precise filter 5 and the second precise filter 6 through a precise filter pipeline 12; the upper parts of the precise filter 5 and the precise filter 6 are connected with a secondary filtering pipeline 16, and the other end of the secondary filtering pipeline 16 is connected with the liquid collecting tank 4.
Preferably, the front end of the material pipeline 9 is connected with a first material pump 901, and the rear end of the material pipeline 9 is provided with a first electric ball valve 902; the waste water pipeline 10 is connected with a second electric ball valve 1001, and the liquid collecting pipeline 11 is connected with a third electric ball valve 1101. Preferably, a fourth electric ball valve 1202 is connected to the front end of the precise filtering pipeline 12 along the material flow direction, and a second material pump 1201 is connected to the rear end of the precise filtering pipeline 12 along the material flow direction; the front end of the silt material pipeline 13 along the material flow direction is connected with a sludge pump 1301, and the rear end of the silt material pipeline 13 along the material flow direction is connected with a fifth electric ball valve 1302.
Preferably, a turbidity meter 1401 is connected to the front end of the supernatant pipe 14 along the material flow direction, and a sixth electric ball valve 1402 is connected to the rear end of the supernatant pipe 14 along the material flow direction; the front end of the secondary filtering pipeline 16 along the material flow direction is connected with an eighth electric ball valve 1602, and the rear end of the secondary filtering pipeline 16 along the material flow direction is connected with a filtering liquid pump 1601. Preferably, a seventh electric ball valve 1502 is connected to the front end of the back flush pure water pipeline 15 along the material flow direction, and a pure water pump 1501 is connected to the rear end of the back flush pure water pipeline 15 along the material flow direction.
The flow of the solid content recovery device for the water washing filtrate of the lithium battery material in the embodiment is illustrated: ① The waste liquid with pressure of the filter press flows into the pressure relief tank 3 for pressure relief, and the pressure relief gas is connected with the sewage tank 8; ② Pumping the decompressed wastewater into a lower layer of a precision filter through a material beating pump, remaining the filtered material in the lower layer, pumping the filtered material into a water washing kettle after the concentration is improved by a certain multiple, and discharging the supernatant into a sewage tank; ③ The precise filter adopts a back flushing device, the device is flushed by pure water, when the filter screen of the precise filter is blocked, the system is controlled by the pressure difference, and after the pressure difference reaches a certain value, the system adopts automatic back flushing; ④ When the filter cloth of the precision filter is damaged and fails, the turbidity detecting instrument of the sewage outlet on the upper layer feeds back information, the valve of the sewage outlet is closed, water returns to the liquid collecting tank, the system alarms, and the investigation treatment is performed manually.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a lithium electricity material washing filtrate solid content recovery unit, includes washing cauldron (1) and pressure filter (2), characterized by: the water washing kettle (1) is connected with the filter press (2) through a material pipeline (9), the filter press (2) is connected with a pressure relief tank (3) through a waste water pipeline (10), and the pressure relief tank (3) is connected with a precision filter;
The upper part of the precise filter is connected with a sludge tank (8) through a supernatant pipeline (14), and the lower part of the precise filter is connected with the water-washing kettle (1) through a sludge material pipeline (13);
The upper part of the pressure relief tank (3) is connected with the sludge tank (8) through an exhaust pipeline (17);
The upper part of the precision filter is connected with a back flush pure water tank (7) through a back flush pure water pipeline (15).
2. The lithium battery material water-washing filtrate solid content recovery device according to claim 1, characterized in that: the precise filters are parallelly provided with a first precise filter (5) and a second precise filter (6) which are the same; a liquid collecting tank (4) is arranged between the pressure relief tank (3) and the first precise filter (5) and the second precise filter (6), the feeding end of the liquid collecting tank (4) is connected with the pressure relief tank (3) through a liquid collecting pipeline (11), and the discharging end of the liquid collecting tank (4) is connected with the first precise filter (5) and the second precise filter (6) through a precise filter pipeline (12); the upper parts of the first precise filter (5) and the second precise filter (6) are connected with a secondary filtering pipeline (16), and the other end of the secondary filtering pipeline (16) is connected with the liquid collecting tank (4).
3. The lithium battery material water-washing filtrate solid content recovery device according to claim 2, characterized in that: the front end of the material pipeline (9) is connected with a first material pump (901), and the rear end of the material pipeline (9) is provided with a first electric ball valve (902); the waste water pipeline (10) is connected with a second electric ball valve (1001), and the liquid collecting pipeline (11) is connected with a third electric ball valve (1101).
4. The lithium battery material water-washing filtrate solid content recovery device according to claim 2, characterized in that: the front end of the precise filtering pipeline (12) along the material flow direction is connected with a fourth electric ball valve (1202), and the rear end of the precise filtering pipeline (12) along the material flow direction is connected with a second material beating pump (1201); the front end of the silt material pipeline (13) along the material flow direction is connected with a sludge pump (1301), and the rear end of the silt material pipeline (13) along the material flow direction is connected with a fifth electric ball valve (1302).
5. The lithium battery material water-washing filtrate solid content recovery device according to claim 2, characterized in that: the front end of the supernatant pipeline (14) along the material flow direction is connected with a turbidity meter (1401), and the rear end of the supernatant pipeline (14) along the material flow direction is connected with a sixth electric ball valve (1402); the front end of the secondary filtering pipeline (16) along the material flow direction is connected with an eighth electric ball valve (1602), and the rear end of the secondary filtering pipeline (16) along the material flow direction is connected with a filtering liquid pump (1601).
6. The lithium battery material water-washing filtrate solid content recovery device according to claim 2, characterized in that: the front end of the back flush pure water pipeline (15) along the material flow direction is connected with a seventh electric ball valve (1502), and the rear end of the back flush pure water pipeline (15) along the material flow direction is connected with a pure water pump (1501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323055196.8U CN221230089U (en) | 2023-11-13 | 2023-11-13 | Lithium electric material washing filtrate solid content recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323055196.8U CN221230089U (en) | 2023-11-13 | 2023-11-13 | Lithium electric material washing filtrate solid content recovery unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221230089U true CN221230089U (en) | 2024-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323055196.8U Active CN221230089U (en) | 2023-11-13 | 2023-11-13 | Lithium electric material washing filtrate solid content recovery unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221230089U (en) |
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- 2023-11-13 CN CN202323055196.8U patent/CN221230089U/en active Active
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