CN116161742B - Oil-water separator for collecting waste oil - Google Patents
Oil-water separator for collecting waste oil Download PDFInfo
- Publication number
- CN116161742B CN116161742B CN202310435051.6A CN202310435051A CN116161742B CN 116161742 B CN116161742 B CN 116161742B CN 202310435051 A CN202310435051 A CN 202310435051A CN 116161742 B CN116161742 B CN 116161742B
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- Prior art keywords
- oil
- cavity
- auxiliary cavity
- valve body
- water
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Classifications
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- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
Abstract
The invention discloses an oil-water separator for collecting waste oil, which comprises a valve body, wherein a water inlet joint and a water outlet joint for connecting pipelines are arranged on the valve body, and an air inlet joint is arranged at the bottom of the valve body; the valve body is internally provided with a main cavity, a first auxiliary cavity and a second auxiliary cavity, the first auxiliary cavity and the second auxiliary cavity surround the main cavity, the first auxiliary cavity and the second auxiliary cavity are annular, and the air inlet connector is communicated with the main cavity and supplies air to the inside of the main cavity through the air inlet connector; the invention has the characteristics of simple structure, small volume, small occupied space, convenient installation and use, low cost, capability of being directly installed in a pipeline, performing oil-water separation treatment on wastewater in the pipeline, and the like, greatly reduces various limitations on oil-water separation equipment, improves the convenience and popularity of use, and has the advantages of high oil-water separation speed and high working efficiency.
Description
Technical Field
The invention relates to the technical field of environmental protection equipment, in particular to an oil-water separator for collecting waste oil.
Background
In industrial production and mechanical parts processing field, often can produce a large amount of waste water, contain more abandonment fluid in the waste water, in order to avoid waste water to cause the pollution to the environment, need carry out oil water separation to waste water handles, so as to conveniently collect fluid, and avoid the fluid to cause the influence to the follow-up processing of waste water, the oil water separation equipment that uses mainly utilizes the difference of oil water density to realize separation effect, through keeping stand to waste water to handle, make fluid naturally float on the surface of water in order to reach the layering, and when adopting this kind of equipment, the volume of equipment is bigger generally, occupation space is bigger, and the speed of keeping stand to separate is slower, the efficiency that has led to oil water separation is lower, simultaneously this kind of equipment can't install in the pipeline directly, in order to realize carrying out direct oil water separation to waste water in the pipeline, consequently, it receives very big restriction in the cost, separation effect, use popularization etc..
Disclosure of Invention
In order to solve the technical problems, the invention provides an oil-water separator for collecting waste oil.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the oil-water separator for collecting waste oil comprises a valve body, wherein a water inlet joint and a water outlet joint for connecting pipelines are arranged on the valve body, and an air inlet joint is arranged at the bottom of the valve body;
the valve body is internally provided with a main cavity, a first auxiliary cavity and a second auxiliary cavity, the first auxiliary cavity and the second auxiliary cavity surround the main cavity, the first auxiliary cavity and the second auxiliary cavity are annular, an air inlet connector is communicated with the main cavity and supplies air to the inside of the main cavity through the air inlet connector, the first auxiliary cavity is communicated with an air inlet connector, the second auxiliary cavity is communicated with an water outlet connector, a plurality of through holes are formed in the inner walls of the first auxiliary cavity and the second auxiliary cavity, the through holes are communicated with the main cavity, and the first auxiliary cavity is located above the second auxiliary cavity.
Further, the hole pattern of the through hole is inclined, and the inclination direction is toward the upper side of the interior of the main cavity.
Further, a third auxiliary cavity is formed in the valve body and is positioned above the first auxiliary cavity, a plurality of oil guide channels are formed in the inner wall of the third auxiliary cavity, a plurality of sliding grooves are formed in the inner wall of the main cavity in an annular shape, the sliding grooves are vertical, and openings of the oil guide channels are formed in the inner wall of the sliding grooves;
the main cavity is internally provided with a floating ring, the circumferential outer wall of the floating ring is provided with a plurality of protruding blocks, the protruding blocks are slidably positioned in the sliding grooves, the protruding blocks are provided with oil guide ports, the oil guide ports penetrate through the floating ring and are communicated with the inside of the main cavity, the bottom of each protruding block is connected with a sealing plate, the sealing plates are slidably arranged in the sliding grooves, the valve body is communicated with an oil outlet joint, and the oil outlet joint is communicated with a third auxiliary cavity;
the floating ring floats on the level in the main cavity, and is located on the oil-water boundary line in the main cavity, and the sealing plate seals the opening of the oil guide channel in the chute.
Further, the floating ring is made of a material having a density between that of oil and water, such as a solid made of one of paraffin, solid wood, polystyrene, pure rubber, etc., thereby floating the floating ring to water and not to oil.
Further, the top of the valve body is provided with a process opening, a valve cover is covered on the process opening, the top of the sliding groove extends to the top of the valve body, and during processing, the sliding groove is directly processed downwards at the position of the process opening at the top of the valve body.
Further, the bottom of the main cavity is provided with a step, the step is provided with an air dispersing disc and an annular buckling cap, the annular buckling cap is buckled at the edge position of the air dispersing disc, the annular buckling cap is fixed on the step through bolts, the air dispersing disc rotates in the annular buckling cap, and the air dispersing disc is provided with a plurality of exhaust holes.
Further, the shape of the exhaust hole is a cone with a narrow upper part and a wide lower part.
Further, a rotating shaft is arranged in the middle of the air dispersing disc, and a plurality of fan blades are arranged on the rotating shaft.
Compared with the prior art, the invention has the beneficial effects that: the invention has the characteristics of simple structure, small volume, small occupied space, convenient installation and use, low cost, capability of being directly installed in a pipeline, performing oil-water separation treatment on wastewater in the pipeline, and the like, greatly reduces various limitations on oil-water separation equipment, improves the convenience and popularity of use, and has the advantages of high oil-water separation speed and high working efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the valve body of FIG. 1;
FIG. 3 is a schematic view of the valve body structure of the present invention;
FIG. 4 is a schematic cross-sectional view of the valve body of FIG. 3;
FIG. 5 is an enlarged schematic view of the floating ring of FIG. 2;
FIG. 6 is an enlarged schematic view of the air distribution plate in FIG. 2;
the reference numerals in the drawings: 1. a valve body; 2. a water inlet joint; 3. a water outlet joint; 4. an air inlet joint; 5. a main chamber; 6. a first sub-chamber; 7. a second auxiliary cavity; 8. a through port; 9. a third sub-chamber; 10. an oil guide channel; 11. a chute; 12. a floating ring; 13. an oil guide port; 14. a sealing plate; 15. an oil outlet joint; 16. a valve cover; 17. an air dispersing disc; 18. an exhaust hole; 19. an annular button cap; 20. a rotation shaft; 21. and (3) a fan blade.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be noted that the directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, or may be internal communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. This example was written in a progressive manner.
As shown in fig. 1 to 4, the oil-water separator for collecting waste oil comprises a valve body 1, wherein a water inlet joint 2 and a water outlet joint 3 for connecting pipelines are arranged on the valve body 1, and an air inlet joint 4 is arranged at the bottom of the valve body 1;
the valve body 1 is internally provided with a main cavity 5, a first auxiliary cavity 6 and a second auxiliary cavity 7, the first auxiliary cavity 6 and the second auxiliary cavity 7 are all around the main cavity 5, the shapes of the first auxiliary cavity 6 and the second auxiliary cavity 7 are annular, the air inlet connector 4 is communicated with the main cavity 5 and supplies air to the interior of the main cavity 5 through the air inlet connector 4, the first auxiliary cavity 6 is communicated with the water inlet connector 2, the second auxiliary cavity 7 is communicated with the water outlet connector 3, a plurality of through holes 8 are formed in the inner walls of the first auxiliary cavity 6 and the second auxiliary cavity 7, the through holes 8 are communicated with the main cavity 5, and the first auxiliary cavity 6 is located above the second auxiliary cavity 7.
Specifically, valve body 1, water inlet connector 2, water outlet connector 3, air inlet connector 4, main cavity 5, first pair of chamber 6, second pair of chamber 7 and opening 8 all are through casting processing integrated into one piece, and main cavity 5 upside area is reserved and is had enough space to be used for holding the fluid after the separation to this region is located the top of first pair of chamber 6, through adopting the structure of first pair of chamber 6, second pair of chamber 7 and a plurality of opening 8, can conveniently make the water evenly distributed of business turn over main cavity 5, thereby make the rivers in the main cavity 5 fully disperse, when avoiding setting up single water inlet and delivery port, the rivers in the main cavity 5 are too concentrated and lead to unable effective oil water separation.
When in actual use, the waste water in the pipeline can flow into the first auxiliary cavity 6 through the water inlet connector 2, the waste water in the first auxiliary cavity 6 is discharged into the main cavity 5 through the plurality of through holes 8, the water flow in the main cavity 5 is in a downward flowing state because the first auxiliary cavity 6 is positioned above the second auxiliary cavity 7, and the water is synchronously supplied through the plurality of through holes 8, so that the full dispersion of the water flow can be realized, the air is pumped into the main cavity 5 through the air inlet connector 4, the air forms bubbles in the main cavity 5 and moves from bottom to top, the bubbles can adsorb oil drops in the waste water, thereby reducing the overall density of the oil drops, facilitating the air bubbles to carry the oil drops to float up quickly, realizing the quick separation work of oil and water, and simultaneously realizing the continuous oil-water separation work of the waste water in the pipeline through the plurality of through holes 8 in the second auxiliary cavity 7, the second cavity 7 and the water outlet connector 3.
It can be seen that the air bubble floating time in the wastewater can be prolonged by the relative flowing mode of enabling the air bubble to float upwards and the wastewater to flow downwards, the adsorption effect of the air bubble on the oil drops in the wastewater can be improved by the convection movement, the defect that the air bubble can only adsorb the oil drops on the moving path of the air bubble when the wastewater is kept still is avoided, the moving area of the air bubble floating process in the horizontal direction is increased, the adsorption effect on the oil drops is improved, the water flow can be conveniently and fully dispersed by adopting the modes of the first auxiliary cavity 6, the second auxiliary cavity 7 and the plurality of through holes 8, and the phenomenon that the air bubble cannot enter the water flow due to the fact that the water flow is concentrated and the air bubble is impacted excessively is avoided.
The invention has the characteristics of simple structure, small volume, small occupied space, convenient installation and use, low cost, direct installation in a pipeline, oil-water separation treatment on waste water in the pipeline and the like, greatly reduces various limitations on oil-water separation equipment, improves the convenience and popularity of use, accelerates the speed of oil-water separation and has high working efficiency.
As shown in fig. 4, as a preferable example of the above embodiment, the hole pattern of the through hole 8 is inclined, and the inclination direction thereof is directed toward the upper side inside the main chamber 5.
Specifically, through the hole pattern slope that makes opening 8, can avoid the bubble to get into in the opening 8, simultaneously when the waste water in the first pair of chamber 6 flows into in the main cavity 5 through opening 8, the rivers slope upwards to provide initial separation power for the oil droplet in the waste water, conveniently make the quick come-up separation of oil droplet.
As shown in fig. 1 to 5, as a preferred embodiment of the foregoing embodiment, a third auxiliary chamber 9 is provided in the valve body 1, the third auxiliary chamber 9 is located above the first auxiliary chamber 6, a plurality of oil guiding channels 10 are provided on an inner wall of the third auxiliary chamber 9, a plurality of sliding grooves 11 are provided on an inner wall of the main chamber 5 in a ring shape, the sliding grooves 11 are vertical, and an opening of the oil guiding channels 10 is located on an inner wall of the sliding grooves 11;
the main cavity 5 is internally provided with a floating ring 12, the circumferential outer wall of the floating ring 12 is provided with a plurality of protruding blocks, the protruding blocks are slidably positioned in the sliding groove 11, the protruding blocks are provided with oil guide ports 13, the oil guide ports 13 penetrate through the floating ring 12 and are communicated with the inside of the main cavity 5, the bottom of each protruding block is connected with a sealing plate 14, the sealing plates 14 are slidably arranged in the sliding groove 11, the valve body 1 is communicated with an oil outlet joint 15, and the oil outlet joint 15 is communicated with the third auxiliary cavity 9;
the floating ring 12 floats on the level in the main cavity 5, and the floating ring 12 is located on the oil-water boundary line in the main cavity 5, and the sealing plate 14 seals the opening of the oil guide channel 10 in the chute 11.
Specifically, in the natural state, the sealing plate 14 slides to the bottom of the chute 11, at this time, the oil guide port 13 is communicated with the oil guide channel 10, when the waste water flows through the inside of the main cavity 5, the floating ring 12 floats on the waste water liquid surface, because the pressure in the pipeline is large, the liquid level of the waste water in the main cavity 5 rises, at this time, the floating ring 12 moves upwards, the oil guide port 13 deviates from the oil guide channel 10, the sealing plate 14 seals the opening of the oil guide channel 10, the air pressure of the upper side in the main cavity 5 increases, when the air bubbles in the main cavity 5 continuously gather at the upper side in the main cavity 5, and when the air-floating oil is gathered on the water surface, the water surface of the upper side in the main cavity 5 falls, the floating ring 12 synchronously descends, and when the floating ring 12 moves to the initial position again, because the floating ring 12 only floats on the water surface, the oil and the air above the water surface can be discharged into the third auxiliary cavity 9 through the oil guide port 13 and the oil guide channel 10, and the air in the third auxiliary cavity 9 can be discharged through the oil outlet joint 15, thereby realizing the automatic discharging work of the oil.
Because the floating ring 12 floats on the water surface in the main cavity 5 all the time, the water in the main cavity 5 can not reach the height position of the oil guide port 13 and is discharged, the work of simply discharging oil is realized, and the stable discharging work of the oil is still realized under the condition of higher pressure of a pipeline.
The third auxiliary cavity 9, the oil guide channel 10 and the oil outlet joint 15 can be formed by casting and processing together with the valve body 1, the chute 11 can be processed by a milling machine later, and the floating ring 12, the oil guide port 13 and the sealing plate 14 can be processed independently.
As shown in fig. 1 to 4, as a preferred embodiment, the floating ring 12 is formed by processing a material having a density between that of oil and water, such as a solid formed by processing one of paraffin, solid wood, polystyrene, pure rubber, etc., thereby floating the floating ring 12 to water instead of oil.
As shown in fig. 1 to 3, as a preferred embodiment, the top of the valve body 1 is provided with a process port, a valve cover 16 is covered on the process port, the top of the chute 11 extends to the top of the valve body 1, and during processing, the chute 11 is directly processed downwards at the position of the process port on the top of the valve body 1, in this way, the processing mode of the chute 11 is simplified, and the floating ring 12 and the sealing plate 14 are convenient to install.
As shown in fig. 6, as a preferred embodiment, the bottom of the main cavity 5 is provided with a step, the step is provided with a gas dispersing disc 17 and an annular buckling cap 19, the annular buckling cap 19 is buckled at the edge position of the gas dispersing disc 17, the annular buckling cap 19 is fixed on the step through bolts, the gas dispersing disc 17 rotates in the annular buckling cap 19, and the gas dispersing disc 17 is provided with a plurality of exhaust holes 18.
Specifically, the air dispersing disc 17 and the air exhaust holes 18 divide the space at the lower side in the valve body 1 into an upper air floating cavity and a lower air cavity, air enters the air cavity through the air inlet connector 4 and is exhausted into the waste water in the main cavity 5 through the air exhaust holes 18 on the air dispersing disc 17, and the air exhaust holes 18 can disperse air bubbles, so that the distribution area of the air bubbles in the main cavity 5 is increased, and meanwhile, the air dispersing disc 17 is rotated, so that the air bubble diffusion effect is further enlarged, and the uniformity of air bubble distribution is improved.
As shown in fig. 6, the vent hole 18 is preferably tapered with a narrow upper part and a wide lower part.
Specifically, the vent hole 18 can be directly machined through the drill bit with larger taper length and smaller taper angle, so that the vent hole 18 is narrow in shape and wide in lower part, in this way, the vent hole 18 can be conveniently used for realizing quick generation and discharge of tiny bubbles, the volume of bubbles in waste water is reduced, the bubble quantity is increased, and meanwhile, the vent hole 18 can play a certain blocking role on the waste water, and waste water is prevented from flowing into an air cavity through the vent hole 18.
As shown in fig. 6, as a preferable example of the above embodiment, a rotation shaft 20 is provided in the middle of the air dispersion plate 17, and a plurality of blades 21 are mounted on the rotation shaft 20.
Specifically, the water flow in the downward flowing state in the main cavity 5 can directly drive the air dispersing disc 17 to rotate through the fan blades 21 and the rotating shaft 20, so that the movement of the air dispersing disc 17 is powered by the water flow, and other power sources are not needed to be additionally arranged.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (6)
1. The oil-water separator for collecting waste oil is characterized by comprising a valve body (1), wherein a water inlet joint (2) and a water outlet joint (3) for connecting pipelines are arranged on the valve body (1), and an air inlet joint (4) is arranged at the bottom of the valve body (1);
the valve body (1) is internally provided with a main cavity (5), a first auxiliary cavity (6) and a second auxiliary cavity (7), the first auxiliary cavity (6) and the second auxiliary cavity (7) surround the main cavity (5), the shapes of the first auxiliary cavity (6) and the second auxiliary cavity (7) are annular, an air inlet connector (4) is communicated with the main cavity (5) and supplies air to the inside of the main cavity (5) through the air inlet connector (4), the first auxiliary cavity (6) is communicated with the water inlet connector (2), the second auxiliary cavity (7) is communicated with the water outlet connector (3), a plurality of through holes (8) are formed in the inner walls of the first auxiliary cavity (6) and the second auxiliary cavity (7), the through holes (8) are communicated with the main cavity (5), and the first auxiliary cavity (6) is positioned above the second auxiliary cavity (7).
The hole type of the through hole (8) is inclined, and the inclined direction of the hole type is towards the upper side of the inside of the main cavity (5);
a third auxiliary cavity (9) is formed in the valve body (1), the third auxiliary cavity (9) is located above the first auxiliary cavity (6), a plurality of oil guide channels (10) are formed in the inner wall of the third auxiliary cavity (9), a plurality of sliding grooves (11) are formed in the inner wall of the main cavity (5) in an annular mode, the sliding grooves (11) are vertical, and openings of the oil guide channels (10) are located in the inner wall of the sliding grooves (11);
the main cavity (5) is internally provided with a floating ring (12), the circumferential outer wall of the floating ring (12) is provided with a plurality of protruding blocks, the protruding blocks are slidably positioned in the sliding grooves (11), the protruding blocks are provided with oil guide ports (13), the oil guide ports (13) penetrate through the floating ring (12) and are communicated with the inside of the main cavity (5), the bottom of each protruding block is connected with a sealing plate (14), the sealing plates (14) are slidably arranged in the sliding grooves (11), the valve body (1) is communicated with an oil outlet connector (15), and the oil outlet connector (15) is communicated with a third auxiliary cavity (9);
the floating ring (12) floats on the level in the main cavity (5), the floating ring (12) is positioned on an oil-water boundary line in the main cavity (5), and the sealing plate (14) seals an opening of the oil guide channel (10) in the sliding groove (11).
2. An oil-water separator for waste oil collection as claimed in claim 1, wherein the floating ring (12) is formed of a material having a density between that of oil and water, such as a solid formed of one of paraffin, solid wood, polystyrene, pure rubber, etc.
3. An oil-water separator for collecting waste oil according to claim 2, characterized in that the top of the valve body (1) is provided with a process port, a valve cover (16) is covered on the process port, the top of the chute (11) extends to the top of the valve body (1), and the chute (11) is directly machined downwards at the position of the process port at the top of the valve body (1) during machining.
4. An oil-water separator for collecting waste oil as claimed in claim 3, wherein a step is arranged at the bottom of the main cavity (5), a gas dispersing disc (17) and an annular buckling cap (19) are arranged on the step, the annular buckling cap (19) is buckled at the edge position of the gas dispersing disc (17), the annular buckling cap (19) is fixed on the step through bolts, the gas dispersing disc (17) rotates in the annular buckling cap (19), and a plurality of exhaust holes (18) are formed in the gas dispersing disc (17).
5. An oil-water separator for waste oil collection as claimed in claim 4, wherein the vent hole (18) is tapered with a narrow upper part and a wide lower part.
6. An oil-water separator for waste oil collection as claimed in claim 5, characterized in that the middle part of the air dispersing disc (17) is provided with a rotating shaft (20), and a plurality of fan blades (21) are arranged on the rotating shaft (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310435051.6A CN116161742B (en) | 2023-04-21 | 2023-04-21 | Oil-water separator for collecting waste oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310435051.6A CN116161742B (en) | 2023-04-21 | 2023-04-21 | Oil-water separator for collecting waste oil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116161742A CN116161742A (en) | 2023-05-26 |
| CN116161742B true CN116161742B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310435051.6A Active CN116161742B (en) | 2023-04-21 | 2023-04-21 | Oil-water separator for collecting waste oil |
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| CN (1) | CN116161742B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000002637A1 (en) * | 1998-07-10 | 2000-01-20 | Paul Costinel | Apparatus and methods for separating immiscible fluids |
| CN101445279A (en) * | 2007-11-28 | 2009-06-03 | 北京石油化工学院 | Compact cyclone air-flotation separation equipment for processing oily wastewater |
| CN207632547U (en) * | 2017-11-28 | 2018-07-20 | 湖北中道环保科技股份有限公司 | A kind of house refuse oil water separator |
| CN115849499A (en) * | 2023-02-17 | 2023-03-28 | 诸城市荣和机械有限公司 | Environment-friendly multistage splitter of profit for sewage treatment |
-
2023
- 2023-04-21 CN CN202310435051.6A patent/CN116161742B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000002637A1 (en) * | 1998-07-10 | 2000-01-20 | Paul Costinel | Apparatus and methods for separating immiscible fluids |
| CN101445279A (en) * | 2007-11-28 | 2009-06-03 | 北京石油化工学院 | Compact cyclone air-flotation separation equipment for processing oily wastewater |
| CN207632547U (en) * | 2017-11-28 | 2018-07-20 | 湖北中道环保科技股份有限公司 | A kind of house refuse oil water separator |
| CN115849499A (en) * | 2023-02-17 | 2023-03-28 | 诸城市荣和机械有限公司 | Environment-friendly multistage splitter of profit for sewage treatment |
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| CN116161742A (en) | 2023-05-26 |
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