CN112520869B - Factory sewage treatment device - Google Patents
Factory sewage treatment device Download PDFInfo
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- CN112520869B CN112520869B CN202011266736.5A CN202011266736A CN112520869B CN 112520869 B CN112520869 B CN 112520869B CN 202011266736 A CN202011266736 A CN 202011266736A CN 112520869 B CN112520869 B CN 112520869B
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- cylinder
- liquid separating
- outlet pipe
- rotating shaft
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
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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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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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
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The invention discloses a factory sewage treatment device which comprises a rack, a spiral conveying mechanism, a liquid separation component and a pipeline component, wherein the spiral conveying mechanism is arranged on the rack; the spiral conveying mechanism comprises an outer cylinder, a hollow rotating shaft, spiral blades and a driving mechanism; the hollow rotating shaft is positioned in the outer barrel, the helical blade is arranged on the hollow rotating shaft, the pipeline assembly comprises a liquid inlet pipe, a first oil outlet pipe and a water outlet pipe, the liquid inlet pipe is connected with the lower end of the outer barrel, the water outlet pipe is communicated with the upper end of the outer barrel, and the first oil outlet pipe is connected with the bottom end of the hollow rotating shaft; the liquid separating component comprises a large liquid separating cylinder, a small liquid separating cylinder and a linear driver, the large liquid separating cylinder and the small liquid separating cylinder are both positioned in the outer cylinder and are positioned right above the hollow rotating shaft, and the large liquid separating cylinder is sleeved outside the small liquid separating cylinder; the factory sewage treatment device is provided with the large liquid separating cylinder and the small liquid separating cylinder as the oil-water separation drainage mechanism, and the linear driver is started in time to control different liquid separating cylinders to work, so that the liquid separating assembly can deal with sewage treatment with different oil contents, and the sewage treatment effect is improved.
Description
Technical Field
The invention relates to the field of environment-friendly equipment, in particular to a factory sewage treatment device.
Background
In order to protect the environment, much of the sewage generated by the factory must be treated to be discharged; because sewage components generated by different factories are different, equipment for sewage treatment in the prior art is very various, wherein one equipment commonly used for treating oily sewage such as emulsion is a centrifugal machine; the centrifuge has the basic structure that the outer cylinder and the spiral shaft are arranged inside the outer cylinder, the spiral shaft enables sewage inside the outer cylinder to rotate, the sewage is layered in the outer cylinder under the action of centrifugal force, an oil layer is arranged inside the outer cylinder, and a water layer is arranged outside the outer cylinder; then the water which can be discharged can be drained out and the oil can be recovered by matching with a liquid separating mechanism to separate an oil layer from a water layer. The prior art centrifuge for treating oily sewage has the defects that: when the oil content in the oily sewage changes, the thicknesses of an oil layer and a water layer generated by centrifugation also change, the interface position of the oil layer and the water layer changes, and the liquid separation mechanism lacks measures for responding to the change of the interface position; this drawback has led to the fact that the centrifuges of the prior art can only process a single type of oily wastewater, and in particular, if the plants want to reuse the separated oil in some cases, the same centrifuges of the prior art cannot perform secondary oil-water separation on the separated oil.
Disclosure of Invention
The invention aims to solve the technical problem that the centrifugal sewage treatment device in the prior art cannot deal with the condition that the oil content of the oily sewage is obviously changed.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a factory sewage treatment device comprises a rack, a spiral conveying mechanism, a liquid separation assembly and a pipeline assembly;
the spiral conveying mechanism comprises an outer cylinder, a hollow rotating shaft, spiral blades and a driving mechanism; the outer barrel is vertically arranged on the rack, the hollow rotating shaft is positioned in the outer barrel and is concentric with the outer barrel, the helical blade is arranged on the hollow rotating shaft, the driving mechanism drives the hollow rotating shaft to rotate, and the rotating helical blade can drive sewage in the outer barrel to flow from bottom to top;
the pipeline assembly comprises a liquid inlet pipe, a first oil outlet pipe and a water outlet pipe, the liquid inlet pipe is connected with the lower end of the outer barrel and is used for inputting oily sewage to be treated into the outer barrel, the water outlet pipe is communicated with the upper end of the outer barrel, and the first oil outlet pipe is connected with the bottom end of the hollow rotating shaft;
the liquid separation component comprises a large liquid separation barrel, a small liquid separation barrel and a linear driver (such as an air cylinder), the large liquid separation barrel and the small liquid separation barrel are both in a cylindrical shape with an opening at the bottom, the inner diameter of the large liquid separation barrel is equal to the outer diameter of the small liquid separation barrel, the depth of the large liquid separation barrel is larger than that of the small liquid separation barrel, the large liquid separation barrel and the small liquid separation barrel are both positioned in the outer barrel and are positioned right above the hollow rotating shaft, the large liquid separation barrel is sleeved outside the small liquid separation barrel, and the linear driver drives the large liquid separation barrel to move up and down;
the factory sewage treatment device is provided with two liquid separation cylinders with different sizes, and when the oil content in sewage is low, the large liquid separation cylinder ascends to expose the small liquid separation cylinder to drain the layered sewage; when the oil content in the sewage is high, the large liquid separation cylinder descends, and the layered sewage is drained by the large liquid separation cylinder.
Furthermore, the spiral conveying mechanism also comprises a supporting cylinder, one end of the supporting cylinder is connected with the rack, the other end of the supporting cylinder is inserted into the top end of the hollow rotating shaft, and a through hole is formed in the surface of the supporting cylinder; the small liquid separation cylinder is arranged on the supporting cylinder; the supporting cylinder is used for keeping the hollow rotating shaft stable, and the through holes in the surface of the supporting cylinder are used for enabling the water after shunting to enter the hollow rotating shaft.
Furthermore, the spiral conveying mechanism also comprises a piston, the piston is positioned in the supporting cylinder, and two ends of the supporting cylinder are provided with limiting rings for limiting the piston; when the piston works normally, the piston is positioned above the through hole; after a period of use, grease and impurities are accumulated in the outer cylinder and each pipeline, and clear water can be introduced from the liquid inlet pipe to flush the whole device, wherein the piston descends to the position below the through hole to seal the support cylinder and the hollow rotating shaft so as to flush the water outlet pipe by concentrated water flow; correspondingly, the piston can also move upwards and close the water outlet pipe, and the concentrated water flow washes the hollow rotating shaft, the first oil outlet pipe and the second oil outlet pipe.
Furthermore, the driving mechanism comprises a motor and a transmission gear set, and the motor drives the hollow rotating shaft to rotate through the transmission gear set.
Furthermore, the liquid separating component also comprises a mud smashing column, one end of the mud smashing column is connected with the bottom surface of the large liquid separating cylinder, and the other end of the mud smashing column penetrates through the bottom surface of the small liquid separating cylinder; the mud smashing columns are uniformly distributed around the central axis of the large liquid separating cylinder, and the mud smashing columns are positioned at the included angle between the bottom surface and the side surface of the small liquid separating cylinder; when the device disclosed by the invention is used for treating sewage, sludge impurities are easily accumulated at the included angle between the bottom surface and the side surface of the small liquid separation cylinder, and the sludge accumulation can be damaged by the sludge smashing column moving up and down along with the large liquid separation cylinder.
Further, the pipeline assembly further comprises an oil return pipe, a second oil outlet pipe and a three-way valve, wherein the first oil outlet pipe, the second oil outlet pipe and the oil return pipe are all connected with the three-way valve, and the oil return pipe is connected with the liquid inlet pipe.
The factory sewage treatment device further comprises a controller, wherein the controller controls the three-way valve and the air cylinder, when the three-way valve connects the first oil outlet pipe with the oil return pipe, the controller controls the air cylinder to move downwards, and when the three-way valve connects the first oil outlet pipe with the second oil outlet pipe, the controller controls the air cylinder to move upwards; the large liquid separating cylinder and the small liquid separating cylinder are difficult to accurately separate liquid, the separated oil contains certain water, the oil return pipe can guide the oil separated for the first time to the spiral conveying mechanism again to carry out secondary separation treatment on the oil, the oil content in the sewage is inevitably improved at the moment, the interface of an oil layer and a water layer generated by centrifugation is changed, the control cylinder corresponding to the controller descends, the large liquid separating cylinder is used for guiding and separating liquid, so that the water content of the separated oil is reduced,
further, the factory sewage treatment device also comprises a sedimentation tank, wherein the sedimentation tank is connected with the liquid inlet pipe and is used for pre-treating the sewage to remove solid impurities in the sewage.
Has the advantages that: (1) the factory sewage treatment device is provided with the large liquid separating cylinder and the small liquid separating cylinder as the oil-water separation drainage mechanism, and the linear driver is started in time to control different liquid separating cylinders to work, so that the liquid separating assembly can deal with sewage treatment with different oil contents, and the sewage treatment effect is improved. (2) According to the factory sewage treatment device, the oil return pipe is arranged to introduce the separated oil into the spiral conveying mechanism again, and the liquid separation component is matched with the change of the oil content rate caused by secondary oil inlet, so that the water content of the separated oil in the sewage is greatly reduced. (3) The factory sewage treatment device is provided with the piston in the supporting cylinder, so that a user can conveniently seal the hollow rotating shaft under the condition of need so as to clean the whole sewage treatment device. (4) According to the factory sewage treatment device, the plurality of mud smashing columns are arranged on the bottom surface of the large liquid separating cylinder, the mud smashing columns can damage mud accumulated in the small liquid separating cylinder along with the vertical movement of the large liquid separating cylinder, and the small liquid separating cylinder is prevented from being blocked.
Drawings
FIG. 1 is a schematic view showing the construction of a plant sewage treatment apparatus according to embodiment 1.
Fig. 2 is an enlarged view a of fig. 1.
FIG. 3 is a water flow route in example 1.
Fig. 4 is a partial schematic view of embodiment 1 in a secondary separation state.
Fig. 5 is a partial schematic view of embodiment 1 in a cleaning mode.
Wherein: 100. a frame; 200. a screw conveying mechanism; 210. an outer cylinder; 220. a hollow rotating shaft; 230. a helical blade; 240. a support cylinder; 241. a through hole; 242. a limiting ring; 250. a piston; 260. a motor; 270. a drive gear set; 300. a liquid separating component; 310. a macro-separation liquid cylinder; 320. a small liquid separation cylinder; 330. a cylinder; 340. tamping a mud column; 400. a tubing assembly; 410. a liquid inlet pipe; 420. a first oil outlet pipe; 430. a water outlet pipe; 440. an oil return pipe; 450. a second oil outlet pipe; 460. a three-way valve; 500. a sedimentation tank.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
Example 1
As shown in fig. 1 and 2, the plant sewage treatment apparatus of the present embodiment includes a frame 100, a screw conveying mechanism 200, a liquid separating assembly 300, a pipe assembly 400, a controller, and a settling tank 500;
the screw conveying mechanism 200 comprises an outer cylinder 210, a hollow rotating shaft 220, a helical blade 230, a supporting cylinder 240, a piston 250, a motor 260 and a transmission gear set 270; the outer cylinder 210 is vertically installed on the rack 100, the hollow rotating shaft 220 is located in the outer cylinder 210 and is concentric with the outer cylinder 210, the helical blade 230 is installed on the hollow rotating shaft 220, and the motor 260 drives the hollow rotating shaft 220 to rotate through the transmission gear set 270; one end of the supporting cylinder 240 is connected with the frame 100, the other end is inserted into the top end of the hollow rotating shaft 220, a through hole 241 is arranged on the surface of the supporting cylinder 240, and a bearing is arranged between the supporting cylinder 240 and the hollow rotating shaft 220; the piston 250 is positioned in the supporting cylinder 240, and the two ends of the supporting cylinder 240 are provided with limit rings 242 for limiting the piston 250;
the pipeline assembly 400 comprises a liquid inlet pipe 410, a first oil outlet pipe 420, a water outlet pipe 430, an oil return pipe 440, a second oil outlet pipe 450 and a three-way valve 460, wherein the liquid inlet pipe 410 is connected with the lower end of the outer cylinder 210, the liquid inlet pipe 410 is used for inputting oily sewage to be treated into the outer cylinder 210, the water outlet pipe 430 is communicated with the upper end of the outer cylinder 210, and the first oil outlet pipe 420 is connected with the bottom end of the hollow rotating shaft 220; the first oil outlet pipe 420, the second oil outlet pipe 450 and the oil return pipe 440 are all connected with a three-way valve 460, and the oil return pipe 440 is connected with the liquid inlet pipe 410;
the liquid separating assembly 300 comprises a large liquid separating cylinder 310, a small liquid separating cylinder 320, an air cylinder 330 and a mud smashing column 340, wherein the large liquid separating cylinder 310 and the small liquid separating cylinder 320 are both in a cylindrical shape with an open bottom, the inner diameter of the large liquid separating cylinder 310 is equal to the outer diameter of the small liquid separating cylinder 320, the depth of the large liquid separating cylinder 310 is larger than that of the small liquid separating cylinder 320, the large liquid separating cylinder 310 and the small liquid separating cylinder 320 are both positioned in the outer cylinder 210 and are positioned right above the hollow rotating shaft 220, the small liquid separating cylinder 320 is arranged on the supporting cylinder 240, the large liquid separating cylinder 310 is sleeved outside the small liquid separating cylinder 320, and the air cylinder 330 drives the large liquid separating cylinder 310 to move up and down; one end of the mud smashing column 340 is connected with the bottom surface of the large liquid separating cylinder 310, and the other end of the mud smashing column passes through the bottom surface of the small liquid separating cylinder 320, the mud smashing column 340 is uniformly distributed around the central axis of the large liquid separating cylinder 310, and meanwhile, the position of the mud smashing column 340 is positioned at the included angle between the bottom surface and the side surface of the small liquid separating cylinder 320;
the sedimentation tank 500 is connected with the liquid inlet pipe 410, and the sedimentation tank 500 is used for pre-treating the sewage to remove solid impurities in the sewage; the controller is used to control the three-way valve 460 and the cylinder 330.
The factory sewage treatment device is mainly used for oil-water separation of oily sewage such as emulsion and the like, and can also be used for secondary separation of separated oil, and the obtained oil has low water content and is beneficial to reutilization of the oil; the basic workflow of this embodiment is:
(1) the oily sewage is precipitated in the sedimentation tank 500 to remove fixed impurities, and the obtained oily sewage enters the outer cylinder 210 through the liquid inlet pipe 410;
(2) the rotating hollow rotating shaft 220 and the helical blades 230 enable the sewage to go upwards in the outer cylinder 210, and meanwhile, the centrifugal force enables the oil and the water to be layered, wherein an oil layer is in the inner part and a water layer is out;
(3) the sewage is divided at the small liquid dividing cylinder 320, the oil in the inner layer enters the supporting cylinder 240 and the hollow rotating shaft 220 through the through hole 241 on the surface of the supporting cylinder 240 according to the route shown by the arrow in fig. 3, then goes downwards from the hollow rotating shaft 220 and finally is discharged from the first oil outlet pipe 420; the water in the outer layer enters the water outlet pipe 430;
(4) the controller controls the three-way valve 460 to connect the first oil outlet pipe 420 with the oil return pipe 440, the oil in the first oil outlet pipe 420 enters the liquid inlet pipe 410 again through the oil return pipe 440, and enters the outer cylinder 210 again after being mixed with the sewage in the liquid inlet pipe 410, at this time, the oil content of the sewage in the outer cylinder 210 rises, the oil layer obtained after centrifugation becomes thicker, and the water layer becomes thinner; for this, the controller controls the air cylinder 330 to descend to the state shown in fig. 4, and the large liquid separation cylinder 310 drains the layered sewage;
(5) the controller controls the three-way valve 460 to connect the first oil outlet pipe 420 with the second oil outlet pipe 450, and the oil after the second or multiple centrifugal treatments is discharged from the second oil outlet pipe 450; then the controller controls the air cylinder 330 to drive the large liquid separation cylinder 310 to move upwards; a time difference is required between the switching of the three-way valve 460 and the movement of the air cylinder 330, the specific time difference is determined according to the diameter of the outer cylinder 210 and the flow rate of the sewage, and an optimal time difference parameter can also be determined after a plurality of tests;
comparing fig. 2 and fig. 4, it can be seen that the mud tamping column 340 moves up and down synchronously with the large liquid-separating cylinder 310, and the mud tamping column 340 can destroy the mud impurities accumulated at the corner between the bottom surface and the side surface of the small liquid-separating cylinder 320. FIG. 5 shows one of the clean states of the plant sewage treatment apparatus of the present embodiment: after a period of operation, grease and sludge are prevented from being accumulated in the outer cylinder 210 and each pipeline, and at the moment, clean water can be introduced from the liquid inlet pipe 410 to flush the whole device, wherein the piston 250 descends below the through hole 241 to seal the support cylinder 240 and the hollow rotating shaft 220, so that the water outlet pipe 430 is flushed by concentrated water flow; accordingly, the piston 250 can also move upwards and additionally close the water outlet pipe 430, and the concentrated water flow washes the hollow rotating shaft 220, the first oil outlet pipe 420 and the second oil outlet pipe 450.
Although the embodiments of the present invention have been described in the specification, these embodiments are merely provided as a hint, and should not limit the scope of the present invention. Various omissions, substitutions, and changes may be made without departing from the spirit of the invention and are intended to be within the scope of the invention.
Claims (6)
1. The utility model provides a mill sewage treatment plant which characterized in that: comprises a rack (100), a spiral conveying mechanism (200), a liquid separating component (300), a pipeline component (400) and a controller;
the spiral conveying mechanism (200) comprises an outer cylinder (210), a hollow rotating shaft (220), a spiral blade (230) and a driving mechanism; the outer cylinder (210) is vertically arranged on the rack (100), the hollow rotating shaft (220) is positioned in the outer cylinder (210) and is concentric with the outer cylinder (210), the helical blade (230) is arranged on the hollow rotating shaft (220), the driving mechanism drives the hollow rotating shaft (220) to rotate, and the rotating helical blade (230) drives sewage in the outer cylinder (210) to flow from bottom to top;
the pipeline assembly (400) comprises a liquid inlet pipe (410), a first oil outlet pipe (420) and a water outlet pipe (430), the liquid inlet pipe (410) is connected with the lower end of the outer barrel (210), the water outlet pipe (430) is communicated with the upper end of the outer barrel (210), and the first oil outlet pipe (420) is connected with the bottom end of the hollow rotating shaft (220);
the liquid separating component (300) comprises a large liquid separating cylinder (310), a small liquid separating cylinder (320) and a linear driver, wherein the large liquid separating cylinder (310) and the small liquid separating cylinder (320) are both in a cylindrical shape with an open bottom, the inner diameter of the large liquid separating cylinder (310) is equal to the outer diameter of the small liquid separating cylinder (320), the depth of the large liquid separating cylinder (310) is greater than that of the small liquid separating cylinder (320), the large liquid separating cylinder (310) and the small liquid separating cylinder (320) are both positioned in the outer cylinder (210) and are positioned right above the hollow rotating shaft (220), the large liquid separating cylinder (310) is sleeved outside the small liquid separating cylinder (320), and the linear driver drives the large liquid separating cylinder (310) to move up and down;
the spiral conveying mechanism (200) further comprises a supporting cylinder (240), one end of the supporting cylinder (240) is connected with the rack (100), the other end of the supporting cylinder is inserted into the top end of the hollow rotating shaft (220), and a through hole (241) is formed in the surface of the supporting cylinder (240); the small liquid separation cylinder (320) is arranged on the supporting cylinder (240);
the spiral conveying mechanism (200) further comprises a piston (250), and the piston (250) is positioned in the supporting cylinder (240);
the liquid separating assembly (300) further comprises a mud smashing column (340), one end of the mud smashing column (340) is connected with the bottom surface of the large liquid separating cylinder (310), and the other end of the mud smashing column penetrates through the bottom surface of the small liquid separating cylinder (320);
the controller controls the three-way valve (460) and the air cylinder (330), when the three-way valve (460) connects the first oil outlet pipe (420) with the oil return pipe (440), the controller controls the air cylinder (330) to go down, and when the three-way valve (460) connects the first oil outlet pipe (420) with the second oil outlet pipe (450), the controller controls the air cylinder (330) to go up;
when the oil content in the sewage is low, the large liquid separation cylinder ascends to expose the small liquid separation cylinder to drain the layered sewage; when the oil content in the sewage is high, the large liquid separation cylinder descends, and the layered sewage is drained by the large liquid separation cylinder.
2. The plant sewage treatment plant of claim 1, wherein: and limiting rings (242) used for limiting the piston (250) are arranged at two ends of the supporting cylinder (240).
3. The plant sewage treatment plant of claim 2, wherein: the linear actuator is a pneumatic cylinder (330).
4. The plant sewage treatment plant of claim 3, wherein: the driving mechanism comprises a motor (260) and a transmission gear set (270), and the motor (260) drives the hollow rotating shaft (220) to rotate through the transmission gear set (270).
5. The plant sewage treatment plant of claim 4, wherein: the pipeline assembly (400) further comprises an oil return pipe (440), a second oil outlet pipe (450) and a three-way valve (460), the first oil outlet pipe (420), the second oil outlet pipe (450) and the oil return pipe (440) are all connected with the three-way valve (460), and the oil return pipe (440) is connected with the liquid inlet pipe (410).
6. The plant sewage treatment plant of claim 5, wherein: the device also comprises a sedimentation tank (500), wherein the sedimentation tank (500) is connected with the liquid inlet pipe (410).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266736.5A CN112520869B (en) | 2020-11-12 | 2020-11-12 | Factory sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266736.5A CN112520869B (en) | 2020-11-12 | 2020-11-12 | Factory sewage treatment device |
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| Publication Number | Publication Date |
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| CN112520869A CN112520869A (en) | 2021-03-19 |
| CN112520869B true CN112520869B (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011266736.5A Active CN112520869B (en) | 2020-11-12 | 2020-11-12 | Factory sewage treatment device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1075809A (en) * | 1964-12-07 | 1967-07-12 | Mitsubishi Heavy Ind Ltd | An apparatus for separating liquid mixtures |
| CN1966122A (en) * | 2005-11-18 | 2007-05-23 | 中国科学院力学研究所 | Device for separating incompatible gas-liquid two phase and liquid-liquid two phase |
| CN101537267A (en) * | 2009-04-27 | 2009-09-23 | 中国海洋石油总公司 | Pipeline oil-water separation method and device |
-
2020
- 2020-11-12 CN CN202011266736.5A patent/CN112520869B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1075809A (en) * | 1964-12-07 | 1967-07-12 | Mitsubishi Heavy Ind Ltd | An apparatus for separating liquid mixtures |
| CN1966122A (en) * | 2005-11-18 | 2007-05-23 | 中国科学院力学研究所 | Device for separating incompatible gas-liquid two phase and liquid-liquid two phase |
| CN101537267A (en) * | 2009-04-27 | 2009-09-23 | 中国海洋石油总公司 | Pipeline oil-water separation method and device |
Non-Patent Citations (1)
| Title |
|---|
| 撇油船用油水分离技术的研究进展;姬宜朋等;《北京石油化工学院学报》;20170331;第2.3节及图3 * |
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| CN112520869A (en) | 2021-03-19 |
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