CN112607825A - System and method for separating oil particles from oily sewage - Google Patents
System and method for separating oil particles from oily sewage Download PDFInfo
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- CN112607825A CN112607825A CN202011556180.3A CN202011556180A CN112607825A CN 112607825 A CN112607825 A CN 112607825A CN 202011556180 A CN202011556180 A CN 202011556180A CN 112607825 A CN112607825 A CN 112607825A
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- oil particles
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- oily sewage
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- 239000010865 sewage Substances 0.000 title claims abstract description 81
- 239000002245 particle Substances 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims description 19
- 238000000926 separation method Methods 0.000 claims abstract description 53
- 239000004094 surface-active agent Substances 0.000 claims abstract description 48
- 238000001179 sorption measurement Methods 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims description 79
- 230000001105 regulatory effect Effects 0.000 claims description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000007790 scraping Methods 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- 239000002351 wastewater Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 235000015170 shellfish Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/481—Treatment of water, waste water, or sewage with magnetic or electric fields using permanent magnets
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/484—Treatment of water, waste water, or sewage with magnetic or electric fields using electromagnets
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/18—Removal of treatment agents after treatment
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Water Treatment By Sorption (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention provides a system for separating oil particles from oily sewage, which is used for separating the oil particles coated by a magnetic surfactant from the oily sewage, and the system comprises: the separation tank is used for separating oil particles; an adsorption device disposed in the separation tank; wherein the adsorption device is configured to adsorb a magnetic surfactant. According to the system for separating the oil particles from the oily sewage, provided by the invention, the magnetic surfactant is added in the oily sewage to wrap the oil particles, and the adsorption device in the system is used for adsorbing the surfactant, so that the oil particles are taken out of the oily sewage, and the harm to the environment caused by the direct discharge of the oily sewage is solved.
Description
Technical Field
The invention belongs to the field of sewage treatment, and particularly relates to a system and a method for separating oil particles from oily sewage.
Background
Along with the development of society, oil gradually invades into the water, forms oily sewage, and oily sewage has a wide source, mainly comes from industrial production and human life, and industrial production produces a large amount of oily sewage, such as sewage produced in the processes of oil exploitation, processing, extraction and transportation, rolling molten steel and cooling lubricating liquid in machine manufacturing, locomotive sewage in transportation industry, railway oil washing tank sewage, wool scouring sewage of wool scouring factories and the like, and has the common characteristics of complex components, and the amount of the domestic oily sewage is smaller compared with the industrial oily sewage, and the domestic oily sewage mainly comes from canteens and restaurants.
Untreated oily sewage is extremely harmful, and in view of the characteristics that oily sewage generally has a high XOD value, is colored, odorous, flammable, easy to oxidize and decompose, difficult to dissolve in water and the like, the oily sewage is directly discharged into water to cause serious influence on the water body, when the thickness of an oil film on the water surface is more than 1 micron, gas circulation between air and the water body is isolated, so that the dissolved oxygen content of the water body is reduced, the water quality is deteriorated, stink is generated, organisms in the water die due to oxygen deficiency, fishes, shellfishes and the like are inedible due to odor change, and if oil spills adhere to the body surfaces of marine birds, the flight capability is lost, and a large number of birds die. In addition, oily sewage also pollutes the atmosphere and soil, directly affecting human health and crop growth.
Disclosure of Invention
The invention aims to provide a system for separating oil particles from oily sewage, which separates the oil particles in the oily sewage to solve the problems.
The invention provides a system for separating oil particles from oily sewage, which is used for separating the oil particles coated by a magnetic surfactant from the oily sewage, and the system comprises: the separation tank is used for separating oil particles; an adsorption device disposed in the separation tank; wherein the adsorption device is configured to adsorb a magnetic surfactant.
The system for separating oil particles from oily sewage provided by the invention is also characterized in that the system is provided with a plurality of separating tanks arranged in parallel, and the oily sewage enters different separating tanks for separating the oil particles.
The system for separating oil particles from oily sewage is also characterized in that the system is provided with a plurality of separating tanks which are arranged in series, and a liquid outlet pipeline and a liquid inlet pipeline between the separating tanks are sequentially connected.
The system for separating oil particles from oily sewage provided by the invention is also characterized by further comprising:
the liquid level detector is arranged in the separation tank and used for monitoring the liquid level in the separation tank;
a liquid inlet pipeline which conveys the oily sewage into the separation tank;
the liquid inlet regulating valve is arranged on the liquid inlet pipeline and used for regulating the speed of liquid inlet;
the liquid outlet pipeline is connected with the separation tank and is used for outputting water obtained after oil particles are separated;
the liquid outlet regulating valve is arranged on the liquid outlet pipeline and is used for regulating the liquid outlet speed;
and the control mechanism is connected with the liquid level detector, the liquid inlet regulating valve and the liquid outlet regulating valve, and regulates the liquid flow rate of the liquid inlet regulating valve and the liquid outlet regulating valve according to the liquid level in the separation tank fed back by the liquid level detector.
The system for separating oil particles from oily sewage provided by the invention is also characterized in that the system also comprises a rotatable magnetic disc and a mud scraping component, the adsorption device is arranged on the magnetic disc component, and the mud scraping component is configured to be used for adsorbing the magnetic surfactant on the magnetic disc component.
The system for separating oil particles from oily sewage is also characterized in that the mud scraping assembly comprises a rotatable mud scraping strip and a mud pocket strip, the rotating shaft of the mud scraping strip is axially parallel to the rotating shaft of the magnetic disk, the distance between the axis of the rotating shaft of the mud scraping strip and the axis of the rotating shaft of the magnetic disk is greater than the radius of the magnetic disk, the mud pocket strip is arc-shaped, and the center of the arc is coincident with the rotation center of the mud scraping strip.
The system for separating oil particles from oily sewage is also characterized in that the adsorption device comprises an electromagnet or a permanent magnet.
Another object of the present invention is to provide a method for separating oil particles from oily sewage, the method comprising the steps of:
s1: adding a surfactant to the oily sewage to obtain a mixture, wherein at least one part of the surfactant has hydrophilicity and the other part has lipophilicity;
s2: a force is applied to the surfactant in the mixture causing the surfactant coated oil particles to separate from the water.
The invention provides a method for separating oil particles from oily sewage, which is also characterized in that the surfactant has magnetism.
The present invention provides a method for separating oil particles from oily sewage, further comprising a step of applying a force to a surfactant in a mixture by a magnetic field in S2.
Advantageous effects
According to the system for separating the oil particles from the oily sewage, provided by the invention, the magnetic surfactant is added in the oily sewage to wrap the oil particles, and the adsorption device in the system is used for adsorbing the surfactant, so that the oil particles are taken out of the oily sewage, and the harm to the environment caused by the direct discharge of the oily sewage is solved.
According to the method for separating the oil particles from the oily sewage, provided by the invention, the surfactant with partial hydrophilicity and partial oleophylicity is added into the oily sewage, and the surfactant can wrap the oil particles, so that the oil and the water are separated more thoroughly, and the harm of oily sewage discharge to the environment is further solved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram showing the structure of a system for separating oil particles from oily sewage according to example 1 of the present invention;
FIG. 2 is a block diagram showing the structure of a system for separating oil particles from oily sewage according to example 2 of the present invention;
FIG. 3 is a schematic structural diagram of a system for separating oil particles from oily sewage provided in example 3 of the present invention;
FIG. 4 is a flow chart of a method for separating oil particles from oily sewage according to an embodiment of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the following embodiments are specifically described in the system for separating oil particles provided by the invention with reference to the attached drawings.
In the description of the embodiments of the present invention, it should be understood that the terms "central", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience in describing and simplifying the description of the present invention, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
First embodiment, as shown in fig. 1, a system for separating oil particles from oily wastewater, which is provided by the present invention, is used for separating oil particles coated with a magnetic surfactant from oily wastewater, and the system includes a separation tank 1 and an adsorption device 2. The separating tank 1 is used for separating oil particles, and the adsorption device 2 is arranged in the separating tank 1 and used for adsorbing the magnetic surfactant, so that the oil particles wrapped by the magnetic surfactant are separated from water. The system is provided with a plurality of separating tanks 1 which are arranged in parallel, and the oily sewage enters different separating tanks 1 to separate oil particles. A liquid level detector for detecting the liquid level in each separation tank 1 is also arranged in each separation tank 1, a liquid inlet regulating valve is arranged on a liquid inlet pipeline 3 for conveying oily sewage into the separation tanks 1, and a liquid outlet regulating valve is arranged on a liquid outlet pipeline for outputting residual water after oil particle separation. The system is also provided with a control mechanism, the control mechanism receives the liquid level information detected by the liquid level detector and controls the on-off and liquid flow rate of the liquid inlet regulating valve and the liquid outlet regulating valve according to the liquid level information. The adsorption device 2 is an electromagnet.
The working process is as follows: oily sewage enters a separation tank 1 through a liquid inlet pipeline, after the oily sewage is kept stand in the separation tank 1 for a period of time, an adsorption device 2 adsorbs a magnetic surfactant, oil particles coated by the magnetic surfactant are separated from water, and the water is discharged out of the separation tank 1 from a liquid outlet pipeline. The liquid level detector monitors the liquid level in each separation tank 1 connected in parallel, after a certain liquid level is reached in the first separation tank 1, the liquid level information is sent to the control mechanism, the control mechanism closes the liquid inlet regulating valve corresponding to the first separation tank 1, the subsequent oily sewage enters the second separation tank 1 for standing separation, and the like.
In the embodiment, the separation tanks 1 arranged in parallel enable the treatment process of the oily sewage to be continuous, the treatment process cannot be interrupted due to the standing time of the sewage, and the treatment efficiency of the oily sewage is improved. And the separation tanks 1 arranged in parallel can stop one separation tank 1 for maintenance, such as taking out the adsorption device 2 and scraping oil particles, and other separation tanks 1 work normally at the moment, so that the whole treatment process of the oily sewage cannot be influenced.
Second embodiment, as shown in fig. 2, a system for separating oil particles from oily sewage, which is provided by the present invention, is used for separating oil particles coated with a magnetic surfactant from oily sewage, and the system includes a separation tank 1 and an adsorption device 2. The separating tank 1 is used for separating oil particles, and the adsorption device 2 is arranged in the separating tank 1 and used for adsorbing the magnetic surfactant, so that the oil particles wrapped by the magnetic surfactant are separated from water. The system is provided with a plurality of separating tanks 1 which are arranged in series, and the oily sewage enters different separating tanks 1 to be separated for a plurality of times. A liquid level detector for detecting the liquid level in the separation tank 1 is also arranged in each separation tank 1, a liquid inlet regulating valve is arranged on a liquid inlet pipeline 3 for conveying oily sewage into the separation tank 1, and a liquid outlet regulating valve is arranged on a liquid outlet pipeline for outputting residual water after oil particle separation. The system is also provided with a control mechanism, the control mechanism receives the liquid level information detected by the liquid level detector and controls the on-off and liquid flow rate of the liquid inlet regulating valve and the liquid outlet regulating valve according to the liquid level information. The adsorption device is an electromagnet.
In the above embodiment, the oily sewage enters the separation tank 1 through the liquid inlet pipeline, after the oily sewage is left standing in the separation tank 1 for a period of time, the adsorption device 2 separates the oil particles adsorbed by the magnetic surfactant from water, and the water is discharged from the liquid outlet pipeline out of the separation tank 1. The water discharged from the first separation tank 1 is further separated in the second separation tank, and so on, and the oily sewage is separated in the plurality of separation tanks 1. The liquid level detector monitors the liquid level in each separating tank 1 connected in series, and the control mechanism controls the liquid outlet pipelines of the liquid inlet pipelines in the separating tanks respectively according to the liquid level in each separating tank. The separation effect can be better for a plurality of separating tanks 1 of series connection, has solved among the current problem because of the too weak poor problem of separation effect who leads to of magnetism, has improved oily sewage's treatment effeciency.
Third embodiment, the present invention provides a system for separating oil particles from oily wastewater, which is used for separating oil particles coated with a magnetic surfactant from oily wastewater, and comprises a separation tank 1 and an adsorption device 2. The separating tank 1 is used for separating oil particles, and the adsorption device 2 is arranged in the separating tank 1 and used for adsorbing the magnetic surfactant, so that the oil particles wrapped by the magnetic surfactant are separated from water. As shown in fig. 3, the magnetic disk apparatus further includes a rotatable magnetic disk 4, the adsorption device is disposed on the magnetic disk 4, and the scraper bar assembly is configured to adsorb the magnetic surfactant on the magnetic disk 4. Scrape the mud subassembly and include rotatable mud strip 5 and pocket mud strip 6 of scraping, scrape the rotation axis of mud strip 5 with axial direction parallel between the rotation axis of disk 4, the distance between the rotation axis axle center of scraping mud strip 5 and the rotation axis axle center of disk 4 is greater than the radius of disk 4, pocket mud strip 6 is the arc, and this arc center and the centre of gyration of scraping mud strip 5 coincide. The adsorption device 2 is a permanent magnet.
In the above embodiment, the oily sewage is fed into the separation tank 1, the magnetic disk 4 rotates clockwise in the oily sewage, under the action of the magnetic field, the magnetic surfactant is wrapped by the oil particles and adsorbed on the surface of the magnetic disk 4, along with the rotation of the magnetic disk 4 (during normal operation, the mud-wrapping strip 6 is in a static state), the magnetic surfactant is completely scraped by the mud-wrapping strip 6, the mud-scraping strip 5 rotates counterclockwise along the center, the mud-scraping strip 5 scrapes the scraped surfactant wrapped by the oil particles in the mud-wrapping strip 6, and the purpose of separating the oil particles from the oily sewage is achieved. The setting of permanent magnet has increased adsorption equipment 2's magnetism for adsorption equipment 2 sets up and rotates the round in oily sewage on magnetic disc 4 and can adsorb more oil particles.
The method for separating oil particles from oily sewage provided by the embodiment of the invention comprises the following steps:
s1: adding a surfactant to the oily sewage to obtain a mixture, wherein at least one part of the surfactant has hydrophilicity and the other part has lipophilicity;
s2: applying a force to the surfactant in the mixture to cause the oil-particle-coated surfactant to separate from the water,
wherein the surfactant is magnetic, and the surfactant in the mixture is applied with a force by a magnetic field in S2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention. The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A system for separating oil particles from oily wastewater, for separating magnetic surfactant-coated oil particles in oily wastewater, the system comprising:
the separation tank is used for separating oil particles;
an adsorption device disposed in the separation tank;
wherein the adsorption device is configured to adsorb a magnetic surfactant.
2. The system for separating oil particles from oily sewage as set forth in claim 1, wherein the system is provided with a plurality of separation tanks arranged in parallel, and the oily sewage enters different separation tanks for oil particle separation.
3. The system for separating oil particles from oily sewage according to claim 1, wherein the system is provided with a plurality of separation tanks arranged in series, and the liquid outlet pipeline and the liquid inlet pipeline between the separation tanks are connected in sequence.
4. The system for separating oil particles from oily wastewater as set forth in claim 1, further comprising:
the liquid level detector is arranged in the separation tank and used for monitoring the liquid level in the separation tank;
a liquid inlet pipeline which conveys the oily sewage into the separation tank;
the liquid inlet regulating valve is arranged on the liquid inlet pipeline and used for regulating the speed of liquid inlet;
the liquid outlet pipeline is connected with the separation tank and is used for outputting water obtained after oil particles are separated;
the liquid outlet regulating valve is arranged on the liquid outlet pipeline and is used for regulating the liquid outlet speed;
and the control mechanism is connected with the liquid level detector, the liquid inlet regulating valve and the liquid outlet regulating valve, and regulates the liquid flow rate of the liquid inlet regulating valve and the liquid outlet regulating valve according to the liquid level in the separation tank fed back by the liquid level detector.
5. The system for separating oil particles from oily wastewater of claim 1 further comprising a rotatable magnetic disk and a wiper assembly, said adsorption device being disposed on the magnetic disk, said wiper assembly being configured for adsorbing magnetic surfactant on said magnetic disk.
6. The system for separating oil particles from oily sewage according to claim 5, wherein the mud scraping assembly comprises a rotatable mud scraping bar and a mud pocket bar, the rotation axis of the mud scraping bar is axially parallel to the rotation axis of the magnetic disk, the distance between the axis of the rotation axis of the mud scraping bar and the axis of the rotation axis of the magnetic disk is greater than the radius of the magnetic disk, the mud pocket bar is arc-shaped, and the center of the arc coincides with the rotation center of the mud scraping bar.
7. The system for separating oil particles from oily sewage of claim 1 wherein the adsorption means comprises an electromagnet or a permanent magnet.
8. A method for separating oil particles from oily wastewater, the method comprising the steps of:
s1: adding a surfactant to the oily sewage to obtain a mixture, wherein at least one part of the surfactant has hydrophilicity and the other part has lipophilicity;
s2: a force is applied to the surfactant in the mixture causing the surfactant coated oil particles to separate from the water.
9. The method of claim 8, wherein the surfactant is magnetic.
10. The method of claim 9, wherein the S2 is performed by applying a force to the surfactant in the mixture through a magnetic field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011556180.3A CN112607825A (en) | 2020-12-23 | 2020-12-23 | System and method for separating oil particles from oily sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011556180.3A CN112607825A (en) | 2020-12-23 | 2020-12-23 | System and method for separating oil particles from oily sewage |
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| Publication Number | Publication Date |
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| CN112607825A true CN112607825A (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011556180.3A Pending CN112607825A (en) | 2020-12-23 | 2020-12-23 | System and method for separating oil particles from oily sewage |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9712192D0 (en) * | 1996-11-08 | 1997-08-13 | Lg Caltex Oil Corp | A ferrofluid for removing oil on a water surface and processes for preparation and use thereof |
| CN101195074A (en) * | 2007-09-11 | 2008-06-11 | 洪川 | Electromagnetism filtering and separating method for oil-water and device thereof |
| CN204643922U (en) * | 2015-05-19 | 2015-09-16 | 航天圣诺（北京）环保科技有限公司 | The huge magnetic rotating disk of combined type is separated water purifying device |
| CN206843134U (en) * | 2017-05-19 | 2018-01-05 | 天津亿利科能源科技发展股份有限公司 | Janus particle oily water separating equipments |
| CN107758813A (en) * | 2017-09-01 | 2018-03-06 | 北京航天斯达科技有限公司 | A kind of slag scraping mechanism for sewage disposal |
| CN214693410U (en) * | 2020-12-23 | 2021-11-12 | 清华海峡研究院（厦门） | A system for separating oil particles from oily sewage |
-
2020
- 2020-12-23 CN CN202011556180.3A patent/CN112607825A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9712192D0 (en) * | 1996-11-08 | 1997-08-13 | Lg Caltex Oil Corp | A ferrofluid for removing oil on a water surface and processes for preparation and use thereof |
| CN101195074A (en) * | 2007-09-11 | 2008-06-11 | 洪川 | Electromagnetism filtering and separating method for oil-water and device thereof |
| CN204643922U (en) * | 2015-05-19 | 2015-09-16 | 航天圣诺（北京）环保科技有限公司 | The huge magnetic rotating disk of combined type is separated water purifying device |
| CN206843134U (en) * | 2017-05-19 | 2018-01-05 | 天津亿利科能源科技发展股份有限公司 | Janus particle oily water separating equipments |
| CN107758813A (en) * | 2017-09-01 | 2018-03-06 | 北京航天斯达科技有限公司 | A kind of slag scraping mechanism for sewage disposal |
| CN214693410U (en) * | 2020-12-23 | 2021-11-12 | 清华海峡研究院（厦门） | A system for separating oil particles from oily sewage |
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Application publication date: 20210406 |