CN223674394U - High-efficient oil-water separation device based on graphite alkene - Google Patents
High-efficient oil-water separation device based on graphite alkeneInfo
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- CN223674394U CN223674394U CN202423235726.1U CN202423235726U CN223674394U CN 223674394 U CN223674394 U CN 223674394U CN 202423235726 U CN202423235726 U CN 202423235726U CN 223674394 U CN223674394 U CN 223674394U
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Abstract
The utility model discloses a graphene-based efficient oil-water separation device which comprises a mud scraper, a mud tank, a graphene filter, an oil collecting tank and a clean water tank, wherein a water inlet of the mud scraper is connected with a raw water tank, a water outlet of the mud scraper is connected with a middle water tank, an oil outlet of the graphene filter is connected with the oil collecting tank, a mud outlet of the graphene filter is connected with the mud tank, a first inlet of the graphene filter is connected with the middle water tank and is used for receiving filtered wastewater, a first outlet of the graphene filter is connected with the oil collecting tank and is used for discharging oil phase, a second outlet of the graphene filter is connected with a water inlet of the clean water tank and is used for discharging clean water, and a second outlet of the graphene filter is connected with a water outlet of the clean water tank and is used for back flushing. According to the utility model, the sludge is separated from oil and water by the sludge scraper, and the oil and water is separated by the graphene filter, so that the device is rapid and efficient, has high separation efficiency and good stability, and can effectively separate various oil and water mixtures.
Description
Technical Field
The utility model relates to the technical field of oil-water separation, in particular to a graphene-based efficient oil-water separation device.
Background
With the rapid development of industry and the improvement of living standard of people, the discharge amount of oily wastewater is increasing. The traditional oil-water separation method, such as gravity separation, centrifugal separation, chemical demulsification and the like, has the problems of low separation efficiency, high energy consumption, easiness in causing secondary pollution and the like. Therefore, the development of an efficient, energy-saving and environment-friendly oil-water separation technology has important practical significance.
Disclosure of utility model
In order to solve the defects in the prior art, the utility model provides the efficient oil-water separation device based on the graphene, which is provided with the mud scraper for separating sludge from oil and water and the graphene filter for separating oil and water, so that the efficient oil-water separation device is fast and efficient, has high separation efficiency and good stability, and can effectively separate various oil-water mixtures.
In order to achieve the technical aim, the utility model adopts the following technical scheme that the graphene-based efficient oil-water separation device comprises a mud scraper, a mud tank, a graphene filter, an oil collecting tank and a clear water tank;
The water inlet of the mud scraper is connected with a raw water tank, the water outlet is connected with an intermediate water tank the oil outlet is connected with the oil collecting tank, and the mud outlet is connected with the mud tank;
The first inlet of the graphene filter is connected with the middle water tank and is used for receiving filtered wastewater, the first outlet of the graphene filter is connected with the oil collecting tank and is used for discharging oil phase, the second outlet of the graphene filter is connected with the water inlet of the clean water tank and is used for discharging clean water, and the second outlet of the graphene filter is connected with the water outlet of the clean water tank and is used for back flushing.
The graphene filter is internally provided with a graphene filter membrane, and the graphene filter membrane is formed by stacking multiple layers of graphene.
Still include the pump package, the pump package includes raw water pump, filter elevator pump, oil transfer pump, backwash water pump, retrieval and utilization water pump, the raw water pump is connected the raw water pond with the water inlet of mud scraper, the filter elevator pump is connected the intermediate water tank with the first export of graphite alkene filter, the oil transfer pump is connected the oil collecting tank, the backwash water pump is connected the delivery port of clean water tank with the second export of graphite alkene filter, the retrieval and utilization water pump is connected the outlet of clean water tank, the mud pump is connected the mud mouth of mud case and slag extractor.
The inlet of the mud scraper is also provided with a container tank, the inlet of the container tank is connected with the air storage tank and the nano micro-bubble generator dissolved air water pump, and the inlet of the nano micro-bubble generator dissolved air water pump is connected with the outlet of the mud scraper.
The outlet of the mud scraper is also connected with a nano micro-bubble generator mud pump, and the outlet of the nano micro-bubble generator mud pump is connected with the mud tank.
In summary, the present utility model achieves the following technical effects:
The graphene filtering membrane is adopted, has high separation efficiency and good stability, can effectively separate various types of oil-water mixtures, does not need to add chemical reagents in the separation process, avoids secondary pollution, and has the advantages of simple structure, convenient operation, easy maintenance and popularization and application.
Drawings
FIG. 1 is a high-efficiency oil-water separation device based on graphene;
Fig. 2 is a schematic diagram of a graphene filter.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Examples:
Fig. 1 shows a graphene-based efficient oil-water separation device, which comprises a mud scraper 12, a mud tank 15, a graphene filter 4, an oil collecting tank 6 and a clear water tank 8, wherein the mud scraper 12 is arranged to separate mud from oil and water, and the graphene filter 4 is arranged to separate oil from water, so that the efficiency is high.
The water inlet of the mud scraper 12 is connected with the raw water tank 1, the water outlet is connected with the middle water tank 3, the oil outlet is connected with the oil collecting tank 6, and the mud outlet is connected with the mud tank 15;
The inlet of the mud scraper 12 is further provided with a container tank 19, the inlet of the container tank 19 is connected with the air storage tank 11 and the nano micro-bubble generator dissolved air water pump 13, and the inlet of the nano micro-bubble generator dissolved air water pump 13 is connected with the outlet of the mud scraper 12.
The outlet of the mud scraper 12 is also connected with a nano micro-bubble generator mud pump 14, and the outlet of the nano micro-bubble generator mud pump 14 is connected with the mud tank 15.
Fig. 2 is a schematic diagram of a graphene filter 4, a first inlet 401 of the graphene filter 4 is connected with an intermediate water tank 3 for receiving filtered wastewater, a first outlet 403 of the graphene filter 4 is connected with the oil collecting tank 6 for discharging oil phase, a second outlet 404 of the graphene filter 4 is connected with a water inlet of the clean water tank 8 for discharging clean water, and a second outlet 404 of the graphene filter 4 is connected with a water outlet of the clean water tank 8 for backwashing.
The graphene filter 4 is internally provided with a graphene filter membrane, the graphene filter membrane is formed by stacking multiple layers of graphene, and the surface of the graphene filter membrane is subjected to oleophylic modification treatment, so that an oil phase can be effectively adsorbed and a water phase can be repelled.
Still include the pump package, the pump package includes raw water pump 2, filter elevator pump 5, oil transfer pump 7, backwash water pump 9, retrieval and utilization water pump 10, sludge pump 16, raw water pump 2 connects raw water pond 1 with the water inlet of mud scraper 12, filter elevator pump 5 connects middle water tank 3 with the first import 401 of graphite alkene filter 4, oil transfer pump 7 is connected oil collection tank 6, backwash water pump 9 is connected the delivery port of clean water tank 8 with the second export 404 of graphite alkene filter 4, retrieval and utilization water pump 10 is connected the outlet of clean water tank 8, sludge pump 16 is connected mud discharge opening and the slag extractor 18 of mud tank 15.
All pumps of the pump set are in a one-to-one form.
Graphene, as a novel two-dimensional nanomaterial, has excellent physical and chemical properties, such as high specific surface area, good conductivity, lipophilicity and the like, and has great application potential in the field of oil-water separation.
The graphene filter 4 is also connected with a pressure control system for controlling the pressure in the separation chamber and promoting the oil-water separation process.
The application discloses a pretreatment device, in particular to a mud scraper and an automatic control of a dissolved air pump. The graphene filter lifting pump is controlled by the high-low liquid level in the middle water tank, 1 is used for 1 equipment, if one equipment fails, the other equipment can be automatically put into operation, the backwash water pump is controlled by the high-low liquid level in the backwash water tank, the time sequence is controlled, one or more graphene filters are arranged in groups of 1 or two, and the interval operation time of each group is set according to the actual water sample on site. When one group of the graphene filters is switched to the other group, the back flushing pump is started and the raw water inlet valve is automatically closed.
The oil scraped by the mud scraper and mud can flow into the dirty oil tank, the oil in the dirty oil tank reaches a certain height and flows back into the oil collecting tank, the oil level of the oil collecting tank is controlled by the ultrasonic liquid level, and the oil pump returns to control the oil level of the oil collecting tank according to the ultrasonic liquid level meter. The spiral shell stacking machine is started according to the on-site sludge quantity, and a flocculation device, a flushing water pump, a sludge pump and a drainage pump are started at the same time.
The method comprises the steps of introducing an oil-water mixture to be separated into a separation chamber through a liquid inlet, starting a pressure control system to form a certain pressure difference in the separation chamber, promoting the oil-water mixture to pass through a graphene filtering membrane, discharging an oil phase through an oil outlet under the adsorption action of the graphene filtering membrane, and discharging a water phase through the graphene filtering membrane and from a water outlet.
Working principle:
The raw water pump 2 pumps the raw water of the raw water tank 1 into the mud scraper 12, meanwhile, the container tank 19 inputs dissolved air into the mud scraper 12, the mud scraper works together with the dissolved air to separate mud and oil and water, the mud is discharged to the mud tank 15 through the mud discharge pump 14 of the nano micro-bubble generator, the oil phase enters the oil collecting tank 6, and the oily wastewater enters the intermediate water tank 3;
The filter lifting pump 5 pumps waste water of the intermediate water tank 3 into the first inlet 401 of the graphene filter 4, after being filtered by the graphene filter membrane, oil phase enters the oil collecting tank 6 from the first outlet 403, clear water enters the clear water tank 8 from the die outlet 404, and during back flushing, the back flushing water pump 9 is connected with the water outlet of the clear water tank 8 and the second outlet 404 of the graphene filter 4 for back flushing, and back flushing water enters the raw water tank 1 from the first outlet 402;
The sludge in the sludge tank 15 is sent to the slag extractor 18 through the sludge pump 16, the slag extractor 18 is also filled with clean water, the mixed clean water is deposited and then sent to the raw water tank 1, and the dosing device 17 is used for dosing the slag extractor 18 and discharging dregs.
Example 1:
Taking the oily wastewater discharged from a petrochemical plant as an example, the oil content of the oily wastewater is 1000mg/L. The wastewater is introduced into the separation chamber through the liquid inlet, and the pressure control system is controlled to enable the pressure in the separation chamber to be 0.5MPa. After the oil-water separation device is used for processing, the oil content in the oil phase discharged from the oil outlet is more than 95%, and the oil content in the water phase discharged from the water outlet is less than 5mg/L, so that the national emission standard is achieved.
Example 2:
And (3) treating oily sewage discharged by a restaurant enterprise, wherein the oil content is 500mg/L. By adopting the oil-water separation device, separation is carried out under the condition that the pressure in the separation chamber is 0.3 MPa. After treatment, the oil content in the oil phase discharged from the oil outlet is more than 90%, and the oil content in the water phase discharged from the water outlet is lower than 10mg/L, so that a good oil-water separation effect is realized.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical principles of the present utility model are within the scope of the technical solutions of the present utility model.
Claims (5)
1. The efficient oil-water separation device based on the graphene is characterized by comprising a mud scraper (12), a sludge tank (15), a graphene filter (4), an oil collecting tank (6) and a clean water tank (8);
A water inlet of the mud scraper (12) is connected with a raw water tank (1), a water outlet of the mud scraper is connected with a middle water tank (3), an oil outlet of the mud scraper is connected with the oil collecting tank (6), and a mud outlet of the mud scraper is connected with the mud tank (15);
The first inlet (401) of the graphene filter (4) is connected with the middle water tank (3) for receiving filtered wastewater, the first outlet (403) of the graphene filter (4) is connected with the oil collecting tank (6) for discharging oil phase, the second outlet (404) of the graphene filter (4) is connected with the water inlet of the clean water tank (8) for discharging clean water, and the second outlet (404) of the graphene filter (4) is connected with the water outlet of the clean water tank (8) for backwashing.
2. The graphene-based efficient oil-water separation device of claim 1 is characterized in that a graphene filter membrane is arranged in the graphene filter (4), and the graphene filter membrane is formed by stacking multiple layers of graphene.
3. The graphene-based efficient oil-water separation device according to claim 1, further comprising a pump group, wherein the pump group comprises a raw water pump (2), a filter lifting pump (5), an oil delivery pump (7), a backwash water pump (9), a reuse water pump (10) and a sludge pump (16), the raw water pump (2) is connected with the raw water tank (1) and the water inlet of the sludge scraper (12), the filter lifting pump (5) is connected with the intermediate water tank (3) and the first inlet (401) of the graphene filter (4), the oil delivery pump (7) is connected with the oil collecting tank (6), the backwash water pump (9) is connected with the water outlet of the clean water tank (8) and the second outlet (404) of the graphene filter (4), the reuse water pump (10) is connected with the water outlet of the clean water tank (8), and the sludge pump (16) is connected with the sludge outlet of the sludge tank (15) and the slag extractor (18).
4. The graphene-based efficient oil-water separation device according to claim 1, wherein the inlet of the mud scraper (12) is further provided with a container tank (19), the inlet of the container tank (19) is connected with the gas storage tank (11) and the nano micro-bubble generator dissolved air water pump (13), and the inlet of the nano micro-bubble generator dissolved air water pump (13) is connected with the outlet of the mud scraper (12).
5. The graphene-based efficient oil-water separation device according to claim 1, wherein the outlet of the mud scraper (12) is further connected with a nano micro-bubble generator mud pump (14), and the outlet of the nano micro-bubble generator mud pump (14) is connected with the mud tank (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423235726.1U CN223674394U (en) | 2024-12-26 | 2024-12-26 | High-efficient oil-water separation device based on graphite alkene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423235726.1U CN223674394U (en) | 2024-12-26 | 2024-12-26 | High-efficient oil-water separation device based on graphite alkene |
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| Publication Number | Publication Date |
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| CN223674394U true CN223674394U (en) | 2025-12-16 |
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| CN202423235726.1U Active CN223674394U (en) | 2024-12-26 | 2024-12-26 | High-efficient oil-water separation device based on graphite alkene |
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| CN (1) | CN223674394U (en) |
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