CN109368740A - A kind of oily-water seperating equipment and its separation method based on single super wetting metal mesh - Google Patents
A kind of oily-water seperating equipment and its separation method based on single super wetting metal mesh Download PDFInfo
- Publication number
- CN109368740A CN109368740A CN201811386049.XA CN201811386049A CN109368740A CN 109368740 A CN109368740 A CN 109368740A CN 201811386049 A CN201811386049 A CN 201811386049A CN 109368740 A CN109368740 A CN 109368740A
- Authority
- CN
- China
- Prior art keywords
- super
- filter screen
- wetting metal
- super wetting
- metal mesh
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/08—Thickening liquid suspensions by filtration
- B01D17/10—Thickening liquid suspensions by filtration with stationary filtering elements
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Filtering Materials (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of oily-water seperating equipment and its separation method based on single super wetting metal mesh, which includes: oil-water mixture injection device, grease filter device, filtrate discharger, accumulation liquid discharger.Injection device includes injection pipe and drawing liquid pump, realizes the lasting injection of oil-water mixture；Filter device includes the super wetting metal filter screen of three-dimensional of filtration；Filtrate discharger is placed in immediately below super wetting metal mesh, filters out liquid for discharging；Accumulating liquid discharger includes liquid suction pipe and drawing liquid pump, accumulates on the impermeable liquid of filter device for extracting out；Partition is used to observe the working condition for adjusting injection device and pumping equipment, and reach high-efficiency and continuous is separated by filtration effect.The apparatus only needs a kind of super wetting metal mesh, and any density oil can be realized and separate with the sustainable of water mixed liquid, have ease for operation and easy implementation.
Description
Technical field
The present invention relates to a kind of oily-water seperating equipments and its separation method based on single super wetting metal mesh.
Background technique
With the development of industry with the growth of population, environmental pollution also got worse；Wherein, industry and life oily waste water
Do not stop discharge and the oil spill accident that frequently occurs, cause serious destruction to water resource and ecological environment.Therefore, how real
Now great attention of the effective water-oil separating by academia and industry.
Traditional oily water separation technique such as settling methods, centrifugal process, absorption method etc., although can reach to a certain extent
To water-oil separating purpose, but the problems such as generally existing separative efficiency is not high, separation purity is inadequate.Super wet material, because its is special
Oil, wettability, obtained relatively broad research in water-oil separating field.So far, people have been prepared for a large amount of super close
Oil-super hydrophobic material, but super hydrophilic-superoleophobic material is seldom reported, and therefore, existing research is concentrated mainly on super parent
In the water-oil separating of oil-super hydrophobic material.Document J. Li, et al. A prewetting induced underwater
superoleophobic or underoil (super) hydrophobic waste potato residue-coated
mesh for selective efficient oil/water separation [J]. Green Chemistry, 2016,
18 (2): reporting a kind of Miniature filtering device based on the super-hydrophobic copper mesh interlayer of super oleophylic-in 541-549., i.e., super wetting
Copper mesh is clamped tightly between two glass tubes, using the density variation of grease, realizes preferable heavy oil/water mixed liquid separation effect
Fruit.But the device is difficult to use in the separation of light oil/water mixed liquid；In addition, the separating capacity of the structure is also very limited, generally can only
The oil water mixture of separation tens Dao hundreds of milliliters.Document W. T. Cao, et al. Facile preparation of
robust and superhydrophobic materials for self-cleaning and oil/water
separation. Colloids and Surfaces A: Physicochemical and Engineering Aspects,
" binary channels " structure is used in 2017,529:18-25., i.e., it is lower in the upper glass tube side wall of above-mentioned interlayer filter device
A port is chiseled at position, realizes the sustainable separation that grease is flowed out from different channels.But there are operation difficulties for the structure
Greatly, the problems such as separation purity is poor.Document C. Zhou, et al. Opposite superwetting nickel meshes
for on-demand and continuous oil/water separation. Industrial & Engineering
Report that (super oleophylic-is super thin based on antagonism wetting film in Chemistry Research, 2018,57:1059-1070.
Water and super hydrophilic-superoleophobic film) sustainable water-oil separating.It can realize that the mixed liquor of light oil or heavy oil and water can using the device
Lasting separation, but as described above, still have great difficulty in the preparation of super hydrophilic-superoleophobic film at present, thus, it can not obtain
It is promoted and applied to fine.
Summary of the invention
The present invention improves the above problem, i.e., the technical problem to be solved by the present invention is to traditional water-oil separating skills
Art such as settling methods, centrifugal process, absorption method etc. is generally deposited although can achieve water-oil separating purpose to a certain extent
The problems such as separative efficiency is not high, separation purity is inadequate.
Specific embodiments of the present invention are: a kind of oily-water seperating equipment based on single super wetting metal mesh, including one
For carrying the separation vessel of isolate, it is fixed in the separation vessel for separation vessel inner cavity to be separated to form two points
The filter device of oil-water separation from region, the separation vessel bottom have by separation vessel via filter device filter liquor
The filtrate discharger of body discharge, the filter device top have the oil mixing with water that liquid to be filtered is passed through to filter screen middle part
Liquid injection pipe, and the accumulation liquid discharger detached for hydrops after being filtered in filter screen.
In a preferred embodiments: the filter device includes the super wetting metal filter screen in the middle part of separation vessel, institute
It states super wetting metal filter screen and is supported in separation vessel inner cavity top through fixed bracket, the filtrate discharger is placed in super profit
Immediately below wet metal filter screen, filtrate discharger includes the discharge pipe with separation vessel bottom connection, the accumulation liquid row
Device includes the liquid suction pipe positioned at the top of super wetting metal mesh out, is provided with drawing liquid pump on the liquid suction pipe.
In a preferred embodiments: the super wetting metal filter screen central in-house has a longitudinally disposed partition, it is described every
Scale is indicated on plate, to realize that more preferably water-oil separating manipulates, the partition bottom is not contacted with metal filter screen.
In a preferred embodiments: the super wetting metal filter screen can be super-hydrophobic or super hydrophilic-superoleophobic for super oleophylic-
Metal mesh.
In a preferred embodiments: the super wetting metal filter screen has super oleophylic-super-hydrophobic or super hydrophilic-superoleophobic
Characteristic, can be by carrying out spraying or dip-coating super wet material acquisition surface in metal net surface.
In a preferred embodiments: the material of super wetting its metal mesh of metal filter screen is stainless steel or copper.
In a preferred embodiments: the separation vessel is funnel-shaped, and the super wetting metal filter screen is in inverted cone
Body or cylinder body shape.
In a preferred embodiments: the outlet end mouth caliber of the oil-water mixture injection pipe is greater than liquid suction pipe caliber and court
Lower section on the left of to partition reduces mixed liquor to the impact force of metal mesh, is conducive to the service life for improving filter screen.
In a preferred embodiments: the fixed bracket is positioned at super wetting metal filtration on the net along the annular branch being fixedly connected
Frame, the ring support are fixed on edge on separation vessel.
The invention also includes a kind of oil-water separation methods based on single super wetting metal mesh, utilize one kind as described above
Oily-water seperating equipment based on single super wetting metal mesh, the specific steps are as follows:
(1) surpass wetting metal filter screen and pass through fixed bracket setting in separation vessel, be arranged in super wetting metal filter screen
Partition；
(2) by the outlet end mouth of oil-water mixture injection pipe towards lower section on the left of partition, the water sucking mouth of liquid suction pipe lower end close to every
On the right side of plate, height can be adjusted in real time according to accumulation liquid situation and according to partition high scale；
(3) oil-water mixture injection pipe is passed through oil-water mixture, after mixed liquor is via super wetting metal filtration net filtration, filtered fluid
Body flows into the separation vessel of metal filter screen lower part, and liquid is discharged the discharge pipe of separation vessel bottom.
Compared with prior art, the invention has the following advantages:
1. the present invention provides a kind of oily-water seperating equipment based on single super wetting metal mesh, by the super wetting gold of traditional plane
Belong to net and be adjusted to three-dimensional filter screen structure (structure of container), improve the contact area of oil, water and metal mesh in mixed liquor, leads to
Crossing drawing liquid pump and pipeline can controllably pull out accumulation in the oil or water of three dimensional filter net, realize any density oil (light oil,
Heavy oil) it is separated with the sustainable of water mixed liquid；
2. super wetting metal mesh is processed into the present invention provides a kind of oily-water seperating equipment based on single super wetting metal mesh
Inverted cone or cylinder body shape are simultaneously fixed on the bracket with certain bearing capacity, realize the efficient of a large amount of oil water mixtures
Sustainable separation；It is equally important that surpassing wetting this two dimension → three-dimensional change of metal mesh, a kind of need to only surpass wetting metal mesh is
The separation purpose of any oil water mixture can be achieved, this has very super hydrophilic-superoleophobic material for being difficult to prepare at this stage
Important meaning.
Detailed description of the invention
Fig. 1 is the overall schematic of oily-water seperating equipment described in the embodiment of the present invention 1；
Fig. 2 is the main view sectional view of oily-water seperating equipment described in the embodiment of the present invention 1；
Fig. 3 is the lateral sectional view of oily-water seperating equipment described in the embodiment of the present invention 1.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Embodiment 1, with reference to Fig. 1~3, a kind of oily-water seperating equipment based on single super wetting metal mesh, including grease are mixed
It closes liquid injection device 1, filter device 2, accumulation liquid discharger 3, filtrate discharge pipe 4 and shunts metering partition 5.
The injection device 1 includes injection pipe 11 and drawing liquid pump 12, realizes that mixed solution was persistently injected from injection pipe 11
Filter device 2；
The filter device 2 includes the super wetting metal filter screen 22 and dismountable detachable bracket 21 of filtration；
The accumulation liquid discharger 3 includes accumulation liquid liquid suction pipe 31 and drawing liquid pump 32, accumulates on filter device not for extracting out
Permeable liquid；
The filtrate discharger 4 includes streamlined funnel-form separation vessel 42 and filtrate discharge pipe 41.
The filtrate discharger 4 is placed in immediately below super wetting metal filter screen 22；
The shunting metering partition 5 is longitudinally disposed positioned at super wetting 22 central in-house of metal filter screen, the partition bottom and gold
Belong between filter screen there are gap, indicate scale on the partition, for observe the work of adjusting injection device and pumping equipment
State, reach high-efficiency and continuous is separated by filtration effect.To realize that more preferably water-oil separating manipulates.
In the present embodiment, with further reference to Fig. 2, the cooperation of injection pipe 11 drawing liquid pump 12 persistently injects mixed solution and arrived
It filters in device 2.
In the present embodiment, the super wetting metal filter screen 22 is in back taper and is fixed on detachable bracket 21, removable branch
Frame 21 has certain bearing capacity, and detachable bracket 21 is cyclic annular and is fixed on edge on separation vessel in the present embodiment.
In the present embodiment, the super wetting metal filter screen 22 is the easily prepared super-hydrophobic metal mesh of super oleophylic-, described
Super wetting metal filter screen 22 is to surpass wet material acquisition by dip-coating.
The injection pipe 11 is preferably the transparent pipeline of super-hydrophobic superoleophobic characteristic, avoids grease residual in injection pipe 11
It stays.
11 inlet of injection pipe is located at the left side of partition 5 top certain altitude, and towards 5 left side lower section of partition, the cloth
Office can reduce mixed liquor to the impact force of metal mesh, be conducive to the service life for improving filter screen.
31 water sucking mouth of accumulation liquid discharge pipe can be adjusted in real time close to partition right side, height according to accumulation liquid situation
It is whole.
Embodiment 2: compared to a upper embodiment, the difference between this embodiment and the first embodiment lies in: in the filter device 2
Super wetting metal filter screen 22 be modified according to filtering requirement.Rest part is same as Example 1, repeats no more.
The present embodiment, the super wetting metal filter screen can be super hydrophilic-superoleophobic metal mesh, the super wetting gold
Super hydrophilic-superoleophobic characteristic for belonging to filter screen sprays super wet material acquisition surface by carrying out in metal net surface.
A kind of above-mentioned specific separating step of oily-water seperating equipment based on single super wetting metal mesh of the present invention is as follows:
(1) surpass wetting metal filter screen and pass through fixed bracket setting in separation vessel, be arranged in super wetting metal filter screen
Partition；
(2) by the outlet end mouth of oil-water mixture injection pipe towards lower section on the left of partition, the water sucking mouth of liquid suction pipe lower end close to every
On the right side of plate, height can be adjusted in real time according to accumulation liquid situation and according to partition high scale；
(3) oil-water mixture injection pipe is passed through oil-water mixture, after mixed liquor is via super wetting metal filtration net filtration, filtered fluid
Body flows into the separation vessel of metal filter screen lower part, and liquid is discharged the discharge pipe of separation vessel bottom.
Any technical solution disclosed in aforementioned present invention unless otherwise stated, if it discloses numberical range,
Disclosed numberical range is preferred numberical range, and any it should be appreciated by those skilled in the art preferred numberical ranges
The only obvious or representative numerical value of technical effect in many enforceable numerical value.It, can not since numerical value is more
Exhaustion, so the present invention just discloses technical solution of the component values to illustrate the present invention, also, the above-mentioned numerical value enumerated is not
The limitation to the invention protection scope should be constituted.
If the present invention is open or relates to the components or structural member of connection fastened to each other, unless otherwise stated,
It is fixedly connected it is to be understood that connection (such as connecting using bolt or screw) can be removedly fixed, it is understood that are as follows:
It is non-removable to be fixedly connected with (such as riveting, welding), certainly, connection fastened to each other or integral structure (such as make
Manufactured with casting technique is integrally formed) replaced (obviously can not be using except integrally formed technique).
In addition, for indicating the art of positional relationship or shape applied in any technical solution disclosed in aforementioned present invention
Its meaning includes approximate with its, similar or close state or shape to language unless otherwise stated.
Either component provided by the invention by multiple individual component parts either assembled, or one
The separate part that forming technology manufactures.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (10)
1. a kind of oily-water seperating equipment based on single super wetting metal mesh, which is characterized in that including one for carrying isolate
Separation vessel, the separation oil for separation vessel inner cavity to be separated to form to two separated regions is fixed in the separation vessel
The filter device of water, the separation vessel bottom have and will arrange in separation vessel via the filtrate that filter device filters out liquid discharge
Device out, the filter device top has the oil-water mixture injection pipe that liquid to be filtered is passed through to filter screen middle part, and uses
The accumulation liquid discharger that hydrops detaches after it will filter in filter screen.
2. the oily-water seperating equipment according to claim 1 based on single super wetting metal mesh, which is characterized in that the mistake
Filter device includes the super wetting metal filter screen in the middle part of separation vessel, and the super wetting metal filter screen is through fixed bracket branch
It supports in separation vessel inner cavity top, the filtrate discharger is placed in immediately below super wetting metal filter screen, filtrate discharge dress
It sets including the discharge pipe with separation vessel bottom connection, the accumulation liquid discharger includes being located at super wetting metal filter screen
Top liquid suction pipe, be provided with drawing liquid pump on the liquid suction pipe.
3. a kind of oily-water seperating equipment based on single super wetting metal mesh according to claim 1 or 2, feature exist
In: the super wetting metal filter screen central in-house has longitudinally disposed partition, scale is indicated on the partition, to realize
More preferably water-oil separating manipulates, and the partition bottom is not contacted with metal filter screen.
4. a kind of oily-water seperating equipment based on single super wetting metal mesh according to claim 2, it is characterised in that: institute
Stating super wetting metal filter screen is super-hydrophobic or super hydrophilic-superoleophobic metal mesh of super oleophylic-.
5. a kind of oily-water seperating equipment based on single super wetting metal mesh according to claim 4, it is characterised in that: institute
The characteristic that super wetting metal filter screen has super oleophylic-super-hydrophobic or super hydrophilic-superoleophobic is stated, it can be by metal net surface
It carries out spraying or the super wet material of dip-coating obtains surface.
6. a kind of oily-water seperating equipment based on single super wetting metal mesh according to claim 4, it is characterised in that: institute
The material for stating super wetting its metal mesh of metal filter screen is stainless steel or copper.
7. a kind of oily-water seperating equipment based on single super wetting metal mesh according to claim 1, it is characterised in that: institute
State that separation vessel is funnel-shaped, the super wetting metal filter screen is in inverted cone or cylinder body shape.
8. a kind of oily-water seperating equipment based on single super wetting metal mesh according to claim 3, it is characterised in that: institute
The outlet end mouth caliber for the oil-water mixture injection pipe stated is greater than liquid suction pipe caliber and towards lower section on the left of partition, reduces mixing
Liquid is conducive to the service life for improving filter screen to the impact force of metal mesh.
9. a kind of oily-water seperating equipment based on single super wetting metal mesh according to claim 1, it is characterised in that: institute
Stating fixed bracket is positioned at super wetting metal filtration on the net along the ring support being fixedly connected, and the ring support is fixed on separation
Edge on container.
10. a kind of oil-water separation method based on single super wetting metal mesh, it is characterised in that: using as claimed in claim 3
It is a kind of based on it is single it is super wetting metal mesh oily-water seperating equipment, the specific steps are as follows:
(1) surpass wetting metal filter screen and pass through fixed bracket setting in separation vessel, be arranged in super wetting metal filter screen
Partition；
(2) by the outlet end mouth of oil-water mixture injection pipe towards lower section on the left of partition, the water sucking mouth of liquid suction pipe lower end close to every
On the right side of plate, height can be adjusted in real time according to accumulation liquid situation and according to partition high scale；
(3) oil-water mixture injection pipe is passed through oil-water mixture, after mixed liquor is via super wetting metal filtration net filtration, filtered fluid
Body flows into the separation vessel of metal filter screen lower part, and liquid is discharged the discharge pipe of separation vessel bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811386049.XA CN109368740B (en) | 2018-11-20 | 2018-11-20 | Oil-water separation device based on single super-wetting metal net and separation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811386049.XA CN109368740B (en) | 2018-11-20 | 2018-11-20 | Oil-water separation device based on single super-wetting metal net and separation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109368740A true CN109368740A (en) | 2019-02-22 |
| CN109368740B CN109368740B (en) | 2022-02-01 |
Family
ID=65377054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811386049.XA Active CN109368740B (en) | 2018-11-20 | 2018-11-20 | Oil-water separation device based on single super-wetting metal net and separation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109368740B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109879368A (en) * | 2019-03-25 | 2019-06-14 | 四川农业大学 | A kind of oily-water seperating equipment |
| CN112523184A (en) * | 2020-11-24 | 2021-03-19 | 华侨大学 | Automatic oil slick collection device based on super hydrophobic metal mesh |
| CN112973191A (en) * | 2021-02-19 | 2021-06-18 | 华侨大学 | Energy-saving continuous automatic oil-water separation device based on single super-hydrophobic metal net |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61171592A (en) * | 1985-01-23 | 1986-08-02 | Dan Sangyo Kk | Oil adsorbing material |
| CN208022747U (en) * | 2018-02-10 | 2018-10-30 | 常州碳星科技有限公司 | A kind of oily-water seperating equipment |
-
2018
- 2018-11-20 CN CN201811386049.XA patent/CN109368740B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61171592A (en) * | 1985-01-23 | 1986-08-02 | Dan Sangyo Kk | Oil adsorbing material |
| CN208022747U (en) * | 2018-02-10 | 2018-10-30 | 常州碳星科技有限公司 | A kind of oily-water seperating equipment |
Non-Patent Citations (2)
| Title |
|---|
| 徐志康等: "《中国战略性新兴产业 新材料 高性能分离膜材料》", 31 December 2017 * |
| 高琳: "超浸润多孔金属材料油水分离特性及耐久性研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109879368A (en) * | 2019-03-25 | 2019-06-14 | 四川农业大学 | A kind of oily-water seperating equipment |
| CN109879368B (en) * | 2019-03-25 | 2021-10-15 | 四川农业大学 | Oil-water separation device |
| CN112523184A (en) * | 2020-11-24 | 2021-03-19 | 华侨大学 | Automatic oil slick collection device based on super hydrophobic metal mesh |
| CN112973191A (en) * | 2021-02-19 | 2021-06-18 | 华侨大学 | Energy-saving continuous automatic oil-water separation device based on single super-hydrophobic metal net |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109368740B (en) | 2022-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109368740A (en) | A kind of oily-water seperating equipment and its separation method based on single super wetting metal mesh | |
| CN109368741B (en) | Heavy oil, light oil and water three-component separation device and separation method thereof | |
| CN107601699B (en) | Oil-water separator | |
| CN201325895Y (en) | Sewage oil separating system for restaurant oil | |
| DE102011120648A1 (en) | Fuel filter of an internal combustion engine and filter element of a fuel filter | |
| CN201283273Y (en) | Pipe type dead-end microfiltration membrane component | |
| CN109879368A (en) | A kind of oily-water seperating equipment | |
| CN109019737A (en) | A kind of method of air-float degreasing device and oil removal by air bubbling | |
| CN214680497U (en) | Filter equipment is used in preparation of toad venom injection | |
| CN202829748U (en) | High-efficiency flow-state sand filter | |
| CN203307087U (en) | Novel automatic oil-water separating device | |
| CN208927662U (en) | Oil water separator and its component | |
| CN207445732U (en) | A kind of Plant oil filter | |
| CN208865257U (en) | A kind of conical filter net external pressure water filtering tank | |
| CN206508659U (en) | A kind of precision Filter element structure | |
| CN215462416U (en) | Water filter device convenient to renew cartridge more | |
| RU180580U1 (en) | Thickener filter | |
| CN208218528U (en) | A kind of dirty, domestic sewage treatment device for shunting only | |
| CN112624264A (en) | High-precision oil-water separator | |
| CN105363243A (en) | Oil-water separator | |
| CN213965275U (en) | Oil-water separation device based on super-hydrophobic filter screen | |
| CN221085220U (en) | Multitube type internal pressure ultrafiltration membrane separation system | |
| CN217340683U (en) | Gas-liquid separator | |
| CN216062253U (en) | Filtering device | |
| CN112973191B (en) | Energy-saving continuous automatic oil-water separation device based on single super-hydrophobic metal net |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |