Pole piece separation material wastewater treatment device
The filtration system combining candle filters and safety filters solves the problems of large equipment size, low filtration accuracy, and exhaust gas leakage in the treatment of wastewater from electrode separation materials. It achieves efficient recovery of solid particles and no secondary wastewater generation, thus improving treatment efficiency and safety.
Patent Information
- Application Number
- CN202422548396.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-10-22
AI Technical Summary
In existing technologies, wastewater treatment equipment for electrode separation materials in the electronics industry suffers from problems such as large size, low filtration accuracy, low solid particle recovery rate, leakage of toxic waste gas, troublesome backwashing, and generation of secondary wastewater.
The filtration system employs a combination of candle filters and safety filters. The candle filters have a bottom-feed and top-discharge structure, while the safety filters have a top-feed and bottom-discharge structure. The closed filtration is achieved through a circulating pump and backflushing air to ensure efficient interception of solid particles and discharge of dry residue.
It achieves 100% recovery of solid particles, reduces the equipment footprint, eliminates the generation of waste gas and secondary wastewater, reduces the subsequent treatment load and manpower and material consumption, and the filtration process is carried out in a completely closed manner, making it safer and more efficient.
Smart Images
Figure CN223517037U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of pole piece separation material wastewater treatment, especially relates to a pole piece separation material wastewater treatment device. BACKGROUND
[0002] The pole piece separation material wastewater in electronic industry contains some recyclable pole piece separation material particles, and the solid content is 2%~5%wt. These pole piece separation material particles are small particles of lithium battery positive material and negative material falling off, and the particle size is greater than or equal to 1 microns. The first step of recycling these pole piece separation material particles is to filter all solids in wastewater.
[0003] At present, the mainstream filtering mode is to use plate and frame filter press or vacuum drum filter, and the defects are as follows: the equipment is large in size, is high in layout space requirement, and is not flexible in layout; the filtering precision is low, part of small particle size solid particles can pass through the filtering equipment, the solid filtered out is high in water content, is not dry residue, and the load of subsequent drying process is increased; wastewater can leak; the filtering process is exposed to air, some toxic waste gas is discharged, and the health of workers is affected; backwashing is troublesome and a large amount of secondary wastewater is generated. UTILIZY MODEL CONTENT
[0004] To solve the above technical problems, the utility model provides a pole piece separation material wastewater treatment device.
[0005] The utility model adopts the following technical scheme: a pole piece separation material wastewater treatment device, including intermediate tank, the bottom of intermediate tank is fixedly connected with connecting pipe, the top of connecting pipe is fixedly connected with circulating pump, the right end of connecting pipe is fixedly connected with fixed pipe, the right end of fixed pipe is fixedly connected with candle type filter, the front of candle type filter is fixedly connected with residue discharge pipe, the front of residue discharge pipe is fixedly connected with residue discharge tank, the right end of candle type filter is fixedly connected with pressure exhaust pipe line, the right end of candle type filter is fixedly connected with connecting branch pipe, the top of intermediate tank is fixedly connected with pre-coating circulating pipe line, the right end of pre-coating circulating pipe line is fixedly connected with security filter, the right end of security filter is fixedly connected with filter clear liquid connecting pipe.
[0006] Through the above technical scheme, the security filter mainly plays the role of filtering and intercepting the trace of solid particles that may be missed by the candle type filter, and ensures that the solid particles are intercepted in 100%.
[0007] As a further improvement of the above scheme, the top of the intermediate tank is fixedly connected with a mixing assembly, the top of the intermediate tank is fixedly connected with a second mounting pipe, the top of the intermediate tank is fixedly connected with a pole piece separation material wastewater pipe, the top of the intermediate tank is fixedly connected with an exhaust pipe line, the left end of the intermediate tank is fixedly connected with a residual liquid return pipe, and the left end of the residual liquid return pipe is fixedly connected with a candle type filter.
[0008] As a further improvement of the above-mentioned scheme, the circulating pump is located at the front of the intermediate tank, the installation pipe one is communicated with the pole piece separation material waste water, the installation pipe two is communicated with the vent pipe, the pole piece separation material waste water pipe is communicated with the pre-coating circulation pipeline, and the exhaust pipeline is communicated with the exhaust pipeline.
[0009] As a further improvement of the above-mentioned scheme, the top of the candle filter is communicated with the pole piece separation material waste water pipe, and the top of the candle filter is communicated with the back flushing gas pipeline.
[0010] Through the above technical scheme, the candle filter mainly plays a role in intercepting most of the solid particles in the pole piece separation material waste water and discharging dry residue.
[0011] As a further improvement of the above-mentioned scheme, the security filter is communicated with the pre-coating circulation pipeline, and the security filter is communicated with the connecting branch pipe.
[0012] As a further improvement of the above-mentioned scheme, the intermediate tank is communicated with the candle filter, and the candle filter is communicated with the security filter.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] The utility model discloses a pole piece separation material waste water enters the intermediate tank, and the bottom opening of the intermediate tank is connected with the inlet of the circulating pump, the outlet of the circulating pump is connected with the candle filter, the structure form of the candle filter adopts the form of lower feeding and upper discharging, the liquid inlet is in the conical body side of the lower part of the equipment, the liquid outlet is in the upper head side of the equipment, the internal filter core outlet is installed on the filter chuck and faces upwards, the top is equipped with the back flushing port and the exhaust port, the middle cylinder side is opened to the pressure discharge port, the lower conical body side is opened to the residual liquid discharge port, the bottom is opened to the quick deslagging port, the candle filter deslagging port is connected with the deslagging tank, the exhaust port is connected with the intermediate tank, the liquid outlet connecting line is divided into two, one is connected back to the intermediate tank, and the other is connected to the security filter, the security filter structure form adopts the form of upper feeding and lower discharging, the liquid inlet is in the cylinder side, the liquid outlet is in the lower head side of the equipment, the internal filter core outlet is invertedly installed on the filter chuck and faces downwards, the recovery rate of the pole piece separation material solid particle is increased, the land area is reduced, the load of the subsequent section is reduced, the generation of waste gas and secondary waste water is prevented, manpower, material resources and the difficulty of sewage treatment are saved.
[0015] The utility model discloses a filter element separation material wastewater is filtered through the setting of using candle type filter instead of traditional plate and frame filter press or vacuum drum filter, can intercept the solid particle in the wastewater 100%, and the dry residue is discharged simultaneously.
[0016] The utility model discloses a filter element separation material wastewater is filtered through the setting of using candle type filter instead of traditional plate and frame filter press or vacuum drum filter, can intercept the solid particle in the wastewater 100%, and the dry residue is discharged simultaneously. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the whole structure schematic diagram of the utility model;
[0018] Figure 2 It is the right view structure schematic diagram of the utility model;
[0019] Figure 3 It is the elevation structure schematic diagram of the utility model;
[0020] Figure 4 It is the rear view structure schematic diagram of the utility model;
[0021] Figure 5 It is the plan structure schematic diagram of the utility model.
[0022] Main symbol explains:
[0023] 1, intermediate tank; 2, connecting pipe; 3, circulating pump; 4, fixed pipe; 5, mixing assembly; 6, pre-coating circulating pipeline; 7, vent pipe; 8, pole piece separation material wastewater pipe; 9, exhaust pipeline; 10, residual liquid return pipe; 11, candle filter; 12, slag discharge pipe; 13, slag discharge tank; 14, pressure exhaust pipeline; 15, connecting branch pipe; 16, safety filter; 17, filtrate connecting pipe; 18, back flushing gas pipeline. DETAILED DESCRIPTION
[0024] The utility model will be described further, combining with the drawings and specific implementation, it is stated that under the premise of not conflicting, the following described each embodiment or each technical feature between can be combined randomly to form new embodiment. EMBODIMENT
[0025] Please combine Figures 1-5 The pole piece separation material wastewater treatment device of the embodiment comprises an intermediate tank 1, the bottom of the intermediate tank 1 is fixedly connected with a connecting pipe 2, the top of the connecting pipe 2 is fixedly connected with a circulating pump 3, the right end of the connecting pipe 2 is fixedly connected with a fixed pipe 4, the right end of the fixed pipe 4 is fixedly connected with a candle filter 11, the front of the candle filter 11 is fixedly connected with a slag discharge pipe 12, the front of the slag discharge pipe 12 is fixedly connected with a slag discharge tank 13, the right end of the candle filter 11 is fixedly connected with a pressure exhaust pipeline 14, the right end of the candle filter 11 is fixedly connected with a connecting branch pipe 15, the top of the intermediate tank 1 is fixedly connected with a pre-coating circulating pipeline 6, the right end of the pre-coating circulating pipeline 6 is fixedly connected with a safety filter 16, the right end of the safety filter 16 is fixedly connected with a filtrate connecting pipe 17, by setting the pole piece separation material wastewater into the intermediate tank 1, the bottom opening of the intermediate tank 1 is connected with the inlet of the circulating pump 3, the outlet of the circulating pump 3 is connected with the candle filter 11, the candle filter 11 adopts the form of lower feeding and upper discharging, the liquid inlet is on the side of the cone of the lower part of the equipment, the liquid outlet is on the side of the upper head of the equipment, the outlet of the internal filter element is installed upwards on the filter disc, the top is provided with a back flushing port and an exhaust port, the side of the middle cylinder is provided with a pressure exhaust port, the side of the lower cone is provided with a residual liquid discharge port, the bottom is provided with a quick slag discharge port, the slag discharge port of the candle filter 11 is connected with the slag discharge tank 13, the exhaust port is connected with the intermediate tank 1, the liquid outlet connecting line is divided into two, one is connected back to the intermediate tank 1, and the other is connected to the safety filter 16, the safety filter adopts the form of upper feeding and lower discharging, the liquid inlet is on the side of the cylinder, the liquid outlet is on the side of the lower head of the equipment, the outlet of the internal filter element is installed downwards on the filter disc, the recovery rate of the pole plate separation material solid particles is increased, the occupied area is reduced, the load of the subsequent section is reduced, the generation of waste gas and secondary wastewater is prevented, manpower, material resources are saved, and the difficulty of wastewater treatment is reduced.
[0026] Security filter 16, the main role is to filter intercept candle filter 11 may be missed trace amounts of solid particles, to ensure that solid particles are intercepted 100%.
[0027] The top of the intermediate tank 1 is fixedly connected with a mixing assembly 5, the top of the intermediate tank 1 is fixedly connected with a mounting pipe two, the top of the intermediate tank 1 is fixedly connected with a pole piece separation material waste water pipe 8, the top of the intermediate tank 1 is fixedly connected with an exhaust pipe line 9, the left end of the intermediate tank 1 is fixedly connected with a residual liquid return pipe 10, and the left end of the residual liquid return pipe 10 is fixedly connected with a candle filter 11.
[0028] The circulating pump 3 is located on the front of the intermediate tank 1, the mounting pipe one is communicated with the pole piece separation material waste water, the mounting pipe two is communicated with the vent pipe 7, the pole piece separation material waste water pipe 8 is communicated with the pre-coating circulating line 6, the exhaust pipe line 9 is communicated with the exhaust pipe line 9, by setting the use of candle filter 11 instead of traditional plate and frame filter press or vacuum drum filter to filter pole piece separation material waste water, the solid particles in the waste water can be intercepted 100%, and dry residue is discharged. The whole filtration process is carried out in the filter, and there is no leakage of waste water and waste gas, the backwashing utilizes the gas to extrude the residual liquid in the tank, which is more convenient and fast, no secondary waste water is generated, and moreover, the candle filter 11 is relatively smaller in size, and the size can be flexibly customized according to requirements, and the arrangement is more flexible and convenient.
[0029] The top of the candle filter 11 is communicated with the pole piece separation material waste water pipe 8, and the top of the candle filter 11 is communicated with the back flushing gas line 18.
[0030] The candle filter 11 mainly functions to intercept most of the solid particles in the pole piece separation material waste water, and discharge dry residue.
[0031] The security filter 16 is connected with the pre-coating circulation pipeline 6, and the security filter 16 is connected with the connecting branch 15. The waste water is separated by the pole piece and enters the intermediate tank 1. When the waste water level reaches the set value, the circulation pump 3 is started. The pre-coating circulation pipeline 6 is first opened, and the pre-filtering is started. The waste water enters the inside of the candle filter 11 through the circulation pump 3, passes through the filter core from outside to inside, and the solid particles are intercepted on the outer surface of the filter core of the candle filter 11 to form a filter cake. The filtered liquid carrying a small amount of solid particles flows out from the filter outlet, returns to the intermediate tank 1, and starts the pre-filtering. The filter cloth surface forms a coating layer, which constitutes deep filtration and can intercept smaller particles. When the filter cake layer reaches the set thickness, the pre-coating circulation pipeline 6 is closed, the filtering pipeline is opened, and the filtering is started. At this time, the filtered liquid enters the security filter 16 through the filtering pipeline, is filtered and intercepted again by the security filter 16, and is discharged. The solid particles continue to accumulate on the surface of the filter core of the candle filter 11, until the filter cake layer reaches the set thickness, the filtering is stopped, then the pressure discharge port, the residual liquid discharge port are opened in turn, the residual liquid in the cylinder of the candle filter 11 is pressed to the security filter 16 through the inside center pipe of the filter core, the residual liquid in the cone is pressed back to the intermediate tank 1 through the residual liquid discharge port, and after the residual liquid in the candle filter 11 is completely pressed out, the back flushing port is opened, the filter cake is detached under the action of the back flushing gas, and is discharged to the residue tank 13 through the bottom residue discharge valve.
[0032] The intermediate tank 1 is connected with the candle filter 11, and the candle filter 11 is connected with the security filter 16.
[0033] The implementation principle of the pole piece separation material wastewater treatment device in the embodiment of the application is as follows: the pole piece separation material wastewater enters an intermediate tank 1, the bottom opening of the intermediate tank 1 is connected with the inlet of a circulating pump 3, the outlet of the circulating pump 3 is connected with a candle filter 11, the structure of the candle filter 11 is in the form of feeding from the lower part and discharging from the upper part, the liquid inlet is on the side of the cone at the lower part of the equipment, the liquid outlet is on the side of the upper head of the equipment, the outlet of the internal filter element is installed upwards on the filter chuck, the top is provided with a back flushing port and an exhaust port, the side of the middle cylinder is provided with a pressure discharge port, the side of the lower cone is provided with a residual liquid discharge port, the bottom is provided with a quick deslagging port, the deslagging port of the candle filter 11 is connected with a deslagging tank 13, the exhaust port is connected with the intermediate tank 1, the liquid outlet connecting line is divided into two branches, one branch is connected with the intermediate tank 1, and the other branch is connected with a safety filter 16, the structure of the safety filter is in the form of feeding from the upper part and discharging from the lower part, the liquid inlet is on the side of the cylinder, the liquid outlet is on the side of the lower head of the equipment, the outlet of the internal filter element is installed downwards on the filter chuck, the recovery rate of the solid particles in the pole plate separation material is increased, the occupied area is reduced, the load of the subsequent section is reduced, the generation of waste gas and secondary wastewater is avoided, manpower and material resources are saved, and the difficulty of wastewater treatment is reduced, after the wastewater liquid level reaches a set value, the circulating pump 3 is started, the pre-coating circulation pipeline is first opened, pre-filtering is started, the wastewater enters the candle filter 11 from the outside to the inside through the filter element, the solid particles are intercepted on the outer surface of the filter element by the filter element of the candle filter 11 to form a filter cake, the filtered liquid carrying a small amount of solid particles flows out from the outlet of the filter, and returns to the intermediate tank 1, after the pre-filtering starts, a coating layer is formed on the surface of the filter cloth, deep filtration is formed, and finer particles can be intercepted, when the filter cake layer reaches a set thickness, the pre-coating circulation pipeline is closed, the filtering pipeline is opened, and filtering is started, at this time, the filtered liquid enters the safety filter 16 through the filtering pipeline, is discharged after being filtered and intercepted again by the safety filter 16, and the solid particles continue to accumulate on the surface of the filter element of the candle filter 11 until the filter cake layer reaches a set thickness, filtering is stopped, then the pressure discharge port and the residual liquid discharge port are opened in turn, the residual liquid in the cylinder of the candle filter 11 is discharged to the safety filter 16 through the internal center pipe of the filter element, the residual liquid in the cone is discharged back to the intermediate tank 1 through the residual liquid discharge port, after the residual liquid in the candle filter 11 is completely discharged, the back flushing port is opened, the filter cake falls off under the action of the back flushing gas, is discharged to the deslagging tank 13 through the bottom deslagging valve, and the candle filter 11 is used to replace the traditional plate and frame filter press or vacuum drum filter to filter the pole piece separation material wastewater, the solid particles in the wastewater can be intercepted by 100%, and dry slag can be discharged at the same time. The whole filtering process is carried out in a closed manner in the filter, there is no leakage of wastewater and waste gas, the back flushing uses gas to press the residual liquid in the tank, which is more convenient and fast, no secondary wastewater is generated, the candle filter 11 is relatively smaller in size, the size can be flexibly customized according to requirements, and the candle filter 11 is more flexible and convenient to arrange.
[0034] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application. Any non-essential changes and replacements made by those skilled in the art on the basis of the present application shall fall within the scope of protection of the present application.
Claims
1. An electrode sheet separation material wastewater treatment device characterized by comprising: The utility model relates to a kind of intermediate tank (1), the bottom of the intermediate tank (1) is fixedly connected with connecting pipe (2), the top of the connecting pipe (2) is fixedly connected with circulating pump (3), the right end of the connecting pipe (2) is fixedly connected with fixed pipe (4), the right end of the fixed pipe (4) is fixedly connected with candle filter (11), the front of the candle filter (11) is fixedly connected with slag discharge pipe (12), the front of the slag discharge pipe (12) is fixedly connected with slag discharge tank (13), the right end of the candle filter (11) is fixedly connected with pressure exhaust pipe line (14), the right end of the candle filter (11) is fixedly connected with connecting branch pipe (15), the top of the intermediate tank (1) is fixedly connected with pre-coating circulating line (6), the right end of the pre-coating circulating line (6) is fixedly connected with security filter (16), the right end of the security filter (16) is fixedly connected with filter liquid connecting pipe (17).
2. A separator slurry wastewater treatment device according to claim 1, characterized in that: The top of the intermediate tank (1) is fixedly connected with mixing assembly (5), the top of the intermediate tank (1) is fixedly connected with mounting pipe two (7), the top of the intermediate tank (1) is fixedly connected with pole piece separation material waste water pipe (8), the top of the intermediate tank (1) is fixedly connected with exhaust pipe line (9), the left end of the intermediate tank (1) is fixedly connected with residual liquid return pipe (10), the left end of the residual liquid return pipe (10) is fixedly connected with candle filter (11).
3. A separator slurry wastewater treatment apparatus as claimed in claim 2, wherein: The circulating pump (3) is located in the front of the intermediate tank (1).
4. A separator slurry wastewater treatment apparatus as claimed in claim 3, wherein: The top of the candle filter (11) is communicated with pole piece separation material waste water pipe (8), the top of the candle filter (11) is communicated with backflushing gas pipe line (18).
5. A separator sludge wastewater treatment apparatus as claimed in claim 3, characterized in that: The security filter (16) is communicated with pre-coating circulating line (6), the security filter (16) is communicated with connecting branch pipe (15).
6. A separator slurry wastewater treatment apparatus as claimed in claim 5, wherein: The intermediate tank (1) is communicated with candle filter (11), the candle filter (11) is communicated with security filter (16).