CN218860397U - Oil-water separation equipment for shale oil plant sewage treatment - Google Patents
Oil-water separation equipment for shale oil plant sewage treatment Download PDFInfo
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- CN218860397U CN218860397U CN202222775202.6U CN202222775202U CN218860397U CN 218860397 U CN218860397 U CN 218860397U CN 202222775202 U CN202222775202 U CN 202222775202U CN 218860397 U CN218860397 U CN 218860397U
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Abstract
An oil-water separation device for treating shale oil plant sewage is characterized in that a water inlet tank of the oil-water separation device is connected with an electrolytic bath through a water inlet pipeline, and the water inlet pipeline is used for conveying the shale oil plant sewage to the electrolytic bath; a first anode plate, a particle electrode and a second anode plate are respectively arranged in the electrolytic tank from left to right, a circulating pump is arranged above the first anode plate and the second anode plate, and an oil scraping plate is arranged above the circulating pump; the circulating pump is used for keeping the temperature of oil drops in the sewage of the shale oil factory uniform and conveying the oil drops upwards to the oil scraping plate, and the oil scraping plate is used for scraping the oil drops into the oil storage tank; the circulating tank is used for receiving the water body separated by the circulating pump; the oil storage tank is connected with the oil collecting barrel through an oil outlet pipeline, and the oil outlet pipeline is used for conveying oil bodies in the oil storage tank to the oil collecting barrel; the circulation tank is connected with the water collecting tank through a water collecting pipeline, and the water collecting pipeline is used for conveying the water body in the circulation tank to the water collecting tank. The utility model utilizes the electro-migration oil-water separation, and has good oil removing effect; the separated oil can be recycled, and the operation cost is greatly reduced.
Description
Technical Field
The utility model relates to an oil-water separating equipment, in particular to oil-water separating equipment for shale oil factory sewage treatment.
Background
With the development and utilization of shale oil, environmental problems brought in the production process gradually get attention, and especially the problem of treatment of dry distillation wastewater of oil shale begins to become a focus. The water quality characteristic of the shale dry distillation wastewater is the symbiosis of high oil content and high ammonia nitrogen, and from the operation condition of a sewage treatment plant of a shale oil plant, oil removal is a fatal link of the whole shale wastewater treatment. Oil must be removed first for deamination, and the oil removal is suitable for the water quality characteristics of the dry distillation sewage.
At present, the problems of a shale oil plant sewage treatment plant mainly include single oil removal scheme, sewage oil removal mainly depends on gravity sedimentation, and after stable sedimentation, water still contains a large amount of emulsified oil and dissolved oil. In the water, the oil has a particle size of less than 10um, and the oil and the water are in a very stable state and are difficult to separate. The traditional scheme of adding the oil-water separator has the problems of frequent replacement of the filter membrane and high operation cost; traditional two-stage air flotation deoiling, the free ammonia in aquatic volatilizes simultaneously along with the deoiling, seriously influences the production area atmospheric environment. If the oil is not treated, a large amount of oil in the water directly enters into the biochemical system, a large amount of activated sludge is dead, the biochemical system is paralyzed, and meanwhile, the equipment is corroded and scales seriously.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a shale oil factory is oil-water separating equipment for sewage treatment, it is poor to solve traditional scheme deoiling effect, and the working costs is high and produce the problem of pollution easily.
The utility model provides an above-mentioned technical problem's technical scheme as follows: an oil-water separation device for shale oil plant sewage treatment comprises a water inlet tank, an electrolytic bath, an oil storage tank, a circulating tank, an oil collecting barrel and a water collecting tank;
the water inlet tank is connected with the electrolytic cell through a water inlet pipeline, and the water inlet pipeline is used for conveying the sewage of the shale oil plant to the electrolytic cell;
a first anode plate, a particle electrode and a second anode plate are respectively arranged in the electrolytic tank from left to right, a circulating pump is arranged above the first anode plate and the second anode plate, and an oil scraping plate is arranged above the circulating pump; the circulating pump is used for keeping the temperature of oil drops in the sewage of the shale oil factory uniform and conveying the oil drops upwards to the oil scraping plate, and the oil scraping plate is used for scraping the oil drops into the oil storage tank; the circulating tank is used for receiving the water body separated by the circulating pump;
the oil storage tank is connected with the oil collection barrel through an oil outlet pipeline, and the oil outlet pipeline is used for conveying oil bodies in the oil storage tank to the oil collection barrel;
the circulation tank is connected with the water collecting tank through a water collecting pipeline, and the water collecting pipeline is used for conveying the water body in the circulation tank to the water collecting tank.
As the preferable scheme of the oil-water separation equipment for the sewage treatment of the shale oil factory, a split electromagnetic flowmeter, a water inlet valve and a water inlet emptying valve are arranged on the water inlet pipeline between the water inlet tank and the electrolytic bath.
As the preferable scheme of the oil-water separation equipment for the sewage treatment of the shale oil factory, an oil outlet regulating valve is arranged on the oil outlet pipeline and used for controlling the oil outlet quantity of the oil outlet pipeline.
As the preferable scheme of the oil-water separation equipment for the sewage treatment of the shale oil factory, a water collecting regulating valve is arranged on the water collecting pipeline and used for controlling the water yield of the water collecting pipeline.
As the preferable scheme of the oil-water separation equipment for treating the sewage of the shale oil factory, a speed reducing motor is arranged below the circulating pump and between the circulating grooves and used for adjusting the water flow speed entering the circulating grooves.
As shale oil refinery sewage water separating equipment preferred scheme for treatment, still include drainage elevator pump and drainage pipeline, the end connection of intaking of drainage elevator pump the header tank, the play water end connection of drainage elevator pump drainage pipeline.
As the preferable scheme of the oil-water separation equipment for the sewage treatment of the shale oil factory, the oil-water separation equipment further comprises an electric cabinet, wherein the electric cabinet is used for controlling the actions of the electrolytic bath, the split type electromagnetic flowmeter, the water inlet valve, the water inlet emptying valve, the oil outlet regulating valve, the water collection regulating valve, the speed reduction motor and the drainage lift pump.
The utility model is provided with a water inlet tank, an electrolytic bath, an oil storage tank, a circulating tank, an oil collecting barrel and a water collecting tank; the water inlet tank is connected with the electrolytic cell through a water inlet pipeline, and the water inlet pipeline is used for conveying the sewage of the shale oil plant to the electrolytic cell; a first anode plate, a particle electrode and a second anode plate are respectively arranged in the electrolytic cell from left to right, a circulating pump is arranged above the first anode plate and the second anode plate, and an oil scraping plate is arranged above the circulating pump; the circulating pump is used for keeping the temperature of oil drops in the sewage of the shale oil factory uniform and conveying the oil drops upwards to the oil scraping plate, and the oil scraping plate is used for scraping the oil drops into the oil storage tank; the circulating tank is used for receiving the water body separated by the circulating pump; the oil storage tank is connected with the oil collecting barrel through an oil outlet pipeline, and the oil outlet pipeline is used for conveying oil bodies in the oil storage tank to the oil collecting barrel; the circulating tank is connected with the water collecting tank through a water collecting pipeline, and the water collecting pipeline is used for conveying the water body in the circulating tank to the water collecting tank. The utility model utilizes the electro-migration to separate oil from water, has good oil removing effect, and can remove oil by more than 80 percent; no chemical agent is added in the oil removing process, no hazardous waste such as sludge is generated, and secondary pollution is avoided; the property of the oil is not changed, the separated oil can be recycled, and the operating cost is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
Fig. 1 is a schematic structural view of an oil-water separation device for treating sewage in a shale oil plant provided by an embodiment of the utility model;
FIG. 2 is a schematic view showing the structure relationship among an electrolytic bath, a circulation bath and an oil storage bath of the oil-water separation equipment for treating the sewage of the shale oil factory provided by the embodiment of the utility model;
fig. 3 is a schematic view of an oil-water separation device electrolytic tank for shale oil factory sewage treatment provided by the embodiment of the utility model.
In the figure, 1, a water inlet tank; 2. an electrolytic cell; 3. an oil storage tank; 4. a circulation tank; 5. an oil collecting barrel; 6. a water collection tank; 7. a water inlet pipeline; 8. a first anode plate; 9. a particle electrode; 10. a second anode plate; 11. a circulation pump; 12. a scraper plate; 13. an oil outlet pipeline; 14. a water collecting pipeline; 15. a split-type electromagnetic flowmeter; 16. a water inlet valve; 17. a water inlet emptying valve; 18. an oil outlet regulating valve; 19. a water collection regulating valve; 20. a reduction motor; 21. a drainage lift pump; 22. a drain line; 23. an electric cabinet.
Description of the preferred embodiment
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, 2 and 3, an embodiment of the present invention provides an oil-water separation apparatus for sewage treatment in a shale oil plant, including a water inlet tank 1, an electrolytic bath 2, an oil storage tank 3, a circulation tank 4, an oil collection tank 5 and a water collection tank 6;
the water inlet tank 1 is connected with the electrolytic cell 2 through a water inlet pipeline 7, and the water inlet pipeline 7 is used for conveying the shale oil plant sewage to the electrolytic cell 2;
a first anode plate 8, a particle electrode 9 and a second anode plate 10 are respectively arranged in the electrolytic cell 2 from left to right, a circulating pump 11 is arranged above the first anode plate 8 and the second anode plate 10, and an oil scraping plate 12 is arranged above the circulating pump 11; the circulating pump 11 is used for keeping the temperature of oil drops in the shale oil plant sewage uniform and transporting the oil drops upwards to the oil scraping plate 12, and the oil scraping plate 12 is used for scraping the oil drops into the oil storage tank 3; the circulating tank 4 is used for receiving the water body separated by the circulating pump 11;
the oil storage tank 3 is connected with the oil collecting barrel 5 through an oil outlet pipeline 13, and the oil outlet pipeline 13 is used for conveying oil bodies in the oil storage tank 3 to the oil collecting barrel 5;
the circulation tank 4 is connected with the water collecting tank 6 through a water collecting pipeline 14, and the water collecting pipeline 14 is used for conveying the water in the circulation tank 4 to the water collecting tank.
In this embodiment, a split electromagnetic flowmeter 15, a water inlet valve 16 and a water inlet emptying valve 17 are arranged on the water inlet pipeline 7 between the water inlet tank 1 and the electrolytic bath 2. Specifically, the flow of the shale oil plant sewage in the water inlet pipeline 7 is monitored by the split type electromagnetic flow meter 15, the flow of the shale oil plant sewage to be treated is controlled by the water inlet valve 16, and the water inlet pipeline 7 is emptied by the water inlet emptying valve 17.
The split type electromagnetic flow meter 15 itself has a correlation technique based on faraday's law of electromagnetic induction, the split type electromagnetic flow meter 15 is composed of a sensor and a converter, the sensor is installed on a measuring pipeline, the converter is installed in an occasion within 30 meters or within 100 meters from the sensor, and the sensor and the converter are connected by a shielded cable.
Among them, the water inlet valve 16 and the water inlet emptying valve 17 are only used for limiting and explaining the valves, and related technologies exist in the valves.
In this embodiment, the oil outlet pipeline 13 is provided with an oil outlet regulating valve 18, and the oil outlet regulating valve 18 is used for controlling the oil outlet amount of the oil outlet pipeline 13. The water collecting pipeline 14 is provided with a water collecting regulating valve 19, and the water collecting regulating valve 19 is used for controlling the water yield of the water collecting pipeline 14. There are related technologies in the oil outlet regulating valve 18 and the water collection regulating valve 19 themselves, and the oil outlet and water collection are only limited to the regulating target of the regulating valve.
In this embodiment, a speed reducing motor 20 is disposed between the lower portion of the circulating pump 11 and the circulating tank 4, and the speed reducing motor 20 is used for adjusting the speed of the water flowing into the circulating tank 4. In addition, the water collecting device further comprises a drainage lift pump 21 and a drainage pipeline 22, wherein the water inlet end of the drainage lift pump 21 is connected with the water collecting tank 6, and the water outlet end of the drainage lift pump 21 is connected with the drainage pipeline 22. In addition, the electric control box 23 is further included, and the electric control box 23 is used for controlling the actions of the electrolytic bath 2, the split type electromagnetic flow meter 15, the water inlet valve 16, the water inlet emptying valve 17, the oil outlet regulating valve 18, the water collection regulating valve 19, the speed reduction motor 20 and the drainage lifting pump 21.
The working principle of the utility model is as follows: the shale dry distillation wastewater in the water inlet tank 1 enters the electrolytic tank 2 through the water inlet pipeline 7, the split type electromagnetic flow meter 15, the water inlet valve 16 and the water inlet emptying valve 17, and oil drops with negative electricity in the electrolytic tank 2 are driven by an external electric field to directionally migrate to the first anode plate 8 and the second anode plate 10 to form large oil drops which are separated from the water phase under the action of gravity. The circulating pump 11 can keep the temperature of the large oil drops uniform and transport the large oil drops upwards to the oil scraping plate 12, the oil scraping plate 12 scrapes the large oil drops to the oil storage tank 3, the large oil drops enter the oil outlet pipeline 13 through the oil outlet regulating valve 18, and the oil drops coming out from the oil outlet pipeline 13 are collected in the oil collecting barrel 5. The water separated from the lower layer of the circulating pump 11 enters the water collecting regulating valve 19 to the water outlet of the water collecting pipeline 14 through the circulating groove 4, the water flowing out from the water outlet of the water collecting pipeline 14 is concentrated in the water collecting tank 6, the water collected by the water collecting tank 6 is lifted to the drainage pipeline 22 by the drainage lifting pump 21, and the water flowing out from the drainage pipeline 22 is subjected to the next-stage treatment.
The first anode plate 8, the second anode plate 10 and the particle electrode 9 play a role of an external electric field, oil drops generally carry negative electricity in an oil-in-water emulsification system, the oil drops carrying the negative electricity can directionally migrate under the drive of the external electric field, emulsion breaking and coalescence are carried out in the migration process to form large oil drops, and the large oil drops are finally separated from a water phase under the action of gravity to achieve the purpose of oil removal. Meanwhile, the property of the oil is not changed, the separated oil can be recovered, the whole operation cost is the electricity cost, the recovered shale oil can make up for the cost of electricity consumption, no medicament is required to be added, no hazardous waste such as sludge is generated, and secondary pollution is avoided.
To sum up, the utility model is provided with a water inlet tank 1, an electrolytic bath 2, an oil storage tank 3, a circulating tank 4, an oil collecting barrel 5 and a water collecting tank 6; the water inlet tank 1 is connected with the electrolytic cell 2 through a water inlet pipeline 7, and the water inlet pipeline 7 is used for conveying the shale oil plant sewage to the electrolytic cell 2; a first anode plate 8, a particle electrode 9 and a second anode plate 10 are respectively arranged in the electrolytic cell 2 from left to right, a circulating pump 11 is arranged above the first anode plate 8 and the second anode plate 10, and an oil scraping plate 12 is arranged above the circulating pump 11; the circulating pump 11 is used for keeping the temperature of oil drops in the shale oil plant sewage uniform and transporting the oil drops upwards to the oil scraping plate 12, and the oil scraping plate 12 is used for scraping the oil drops into the oil storage tank 3; the circulating tank 4 is used for receiving the water body separated by the circulating pump 11; the oil storage tank 3 is connected with the oil collecting barrel 5 through an oil outlet pipeline 13, and the oil outlet pipeline 13 is used for conveying oil bodies in the oil storage tank 3 to the oil collecting barrel 5; the circulation tank 4 is connected to the water collection tank 6 through a water collection pipe 14, and the water collection pipe 14 is used for conveying the water in the circulation tank 4 to the water collection tank. The shale dry distillation wastewater in the water inlet tank 1 enters the electrolytic tank 2 through the water inlet pipeline 7 through the split type electromagnetic flow meter 15, the water inlet valve 16 and the water inlet emptying valve 17, and oil drops with negative electricity in the electrolytic tank 2 can directionally migrate to the first anode plate 8 and the second anode plate 10 under the driving of an external electric field to form large oil drops which are separated from the water phase under the action of gravity. The circulating pump 11 can keep the temperature of the large oil drops uniform and transport the large oil drops upwards to the oil scraping plate 12, the oil scraping plate 12 scrapes the large oil drops to the oil storage tank 3, the large oil drops enter the oil outlet pipeline 13 through the oil outlet regulating valve 18, and the oil drops coming out from the oil outlet pipeline 13 are collected in the oil collecting barrel 5. The water separated from the lower layer of the circulating pump 11 enters the water collecting regulating valve 19 to the water outlet of the water collecting pipeline 14 through the circulating groove 4, the water flowing out from the water outlet of the water collecting pipeline 14 is concentrated in the water collecting tank 6, the water collected by the water collecting tank 6 is lifted to the drainage pipeline 22 by the drainage lifting pump 21, and the water flowing out from the drainage pipeline 22 is subjected to the next-stage treatment. The utility model utilizes the electro-migration to separate oil from water, has good oil removing effect, and can remove oil by more than 80 percent; no chemical agent is added in the oil removing process, no hazardous waste such as sludge is generated, and secondary pollution is avoided; the property of the oil is not changed, the separated oil can be recycled, and the operating cost is greatly reduced.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. An oil-water separation device for sewage treatment in a shale oil plant is characterized by comprising a water inlet tank (1), an electrolytic bath (2), an oil storage tank (3), a circulating tank (4), an oil collecting barrel (5) and a water collecting tank (6);
the water inlet tank (1) is connected with the electrolytic cell (2) through a water inlet pipeline (7), and the water inlet pipeline (7) is used for conveying the shale oil plant sewage to the electrolytic cell (2);
a first anode plate (8), a particle electrode (9) and a second anode plate (10) are respectively arranged in the electrolytic tank (2) from left to right, a circulating pump (11) is arranged above the first anode plate (8) and the second anode plate (10), and an oil scraping plate (12) is arranged above the circulating pump (11); the circulating pump (11) is used for keeping the temperature of oil drops in the shale oil factory sewage uniform and conveying the oil drops upwards to the oil scraping plate (12), and the oil scraping plate (12) is used for scraping the oil drops into the oil storage tank (3); the circulating tank (4) is used for receiving the water body separated by the circulating pump (11);
the oil storage tank (3) is connected with the oil collection barrel (5) through an oil outlet pipeline (13), and the oil outlet pipeline (13) is used for conveying oil bodies in the oil storage tank (3) to the oil collection barrel (5);
the circulation tank (4) is connected with the water collecting tank (6) through a water collecting pipeline (14), and the water collecting pipeline (14) is used for conveying the water body in the circulation tank (4) to the water collecting tank (6).
2. The oil-water separation equipment for the sewage treatment of the shale oil factory according to claim 1, wherein a split type electromagnetic flow meter (15), a water inlet valve (16) and a water inlet emptying valve (17) are arranged on the water inlet pipeline (7) between the water inlet tank (1) and the electrolytic bath (2).
3. The oil-water separation equipment for the sewage treatment of the shale oil factory as claimed in claim 2, wherein an oil outlet regulating valve (18) is arranged on the oil outlet pipeline (13), and the oil outlet regulating valve (18) is used for controlling the oil outlet amount of the oil outlet pipeline (13).
4. An oil-water separation device for shale oil factory sewage treatment according to claim 3, characterized in that, water collecting control valve (19) is arranged on the water collecting pipeline (14), and the water collecting control valve (19) is used for controlling the water yield of the water collecting pipeline (14).
5. An oil-water separation device for shale oil factory sewage treatment according to claim 4, characterized in that a speed reduction motor (20) is arranged between the lower part of the circulating pump (11) and the circulating tank (4), and the speed reduction motor (20) is used for adjusting the water flow speed entering the circulating tank (4).
6. The oil-water separation equipment for the sewage treatment of the shale oil factory as claimed in claim 5, further comprising a drainage lift pump (21) and a drainage pipeline (22), wherein the water inlet end of the drainage lift pump (21) is connected with the water collecting tank (6), and the water outlet end of the drainage lift pump (21) is connected with the drainage pipeline (22).
7. The oil-water separation equipment for the sewage treatment of the shale oil factory according to claim 6, characterized by further comprising an electric control box (23), wherein the electric control box (23) is used for controlling the actions of the electrolytic bath (2), the split type electromagnetic flow meter (15), the water inlet valve (16), the water inlet emptying valve (17), the oil outlet regulating valve (18), the water collection regulating valve (19), the speed reduction motor (20) and the drainage lifting pump (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222775202.6U CN218860397U (en) | 2022-10-20 | 2022-10-20 | Oil-water separation equipment for shale oil plant sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222775202.6U CN218860397U (en) | 2022-10-20 | 2022-10-20 | Oil-water separation equipment for shale oil plant sewage treatment |
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| Publication Number | Publication Date |
|---|---|
| CN218860397U true CN218860397U (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222775202.6U Active CN218860397U (en) | 2022-10-20 | 2022-10-20 | Oil-water separation equipment for shale oil plant sewage treatment |
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| CN (1) | CN218860397U (en) |
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- 2022-10-20 CN CN202222775202.6U patent/CN218860397U/en active Active
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