CN215799037U - Integrated device for two-stage physicochemical demulsification separation-enhanced biological treatment of waste emulsion - Google Patents
Integrated device for two-stage physicochemical demulsification separation-enhanced biological treatment of waste emulsion Download PDFInfo
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- CN215799037U CN215799037U CN202121595595.1U CN202121595595U CN215799037U CN 215799037 U CN215799037 U CN 215799037U CN 202121595595 U CN202121595595 U CN 202121595595U CN 215799037 U CN215799037 U CN 215799037U
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Abstract
The utility model relates to the technical field of waste emulsion treatment, in particular to an integrated device for two-stage physicochemical demulsification separation-enhanced biological treatment of waste emulsion. The physicochemical region comprises a barrel-shaped demulsification separation tank, the middle of the separation tank is divided into a primary air-flotation separation tank and a secondary air-flotation separation tank by arranging a separation plate, an air-out floating mud scraping device is arranged in the separation tank and above the separation plate, and the floating mud is scraped into a mud outlet groove; the secondary materialized effluent enters an intermediate tank, and enters a biochemical area after the water quantity and the water quality are adjusted; the biochemical region comprises an anoxic tank, a contact oxidation tank and a secondary sedimentation tank. The two-stage demulsification air-flotation separation system is combined in series, so that the demulsification separation effect can be enhanced, and the oil-water separation rate of the waste emulsion is ensured; the two-stage coagulation air flotation and the biological strengthening system are highly combined, so that the floor area of the device is reduced, and space resources are saved; the sludge of the biological strengthening system can be concentrated and circulated, so that the sludge amount of the system is always in a higher level, and the stability of the treatment of the waste emulsion after demulsification is ensured.
Description
Technical Field
The utility model relates to a demulsification device, in particular to an integrated device for two-stage physicochemical demulsification separation-enhanced biological treatment of waste emulsion.
Background
The existing devices for treating the waste emulsion are all in a step mode, the waste emulsion is firstly subjected to physicochemical demulsification treatment and then subjected to biological treatment, the occupied area is large, and the treatment effect is unstable; and when facing complicated, during the changeable useless emulsion of quality of water, the breakdown of emulsion preliminary treatment effect is difficult to guarantee, and useless emulsion treatment effeciency is difficult to further promote.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects and provides an integrated device for two-stage physicochemical demulsification separation-enhanced biological treatment of waste emulsion.
In order to overcome the defects in the background art, the technical scheme adopted by the utility model for solving the technical problems is as follows: the two-stage physicochemical demulsification separation-enhanced biological treatment integrated device for the waste emulsion comprises a physicochemical area and a biochemical area, wherein the physicochemical area comprises a barrel-shaped separation tank, the separation tank is divided into a first-stage air floatation separation tank and a second-stage air floatation separation tank by arranging a partition plate in the middle, a sludge outlet groove is arranged above the partition plate in the separation tank, an air floatation sludge scraping device in contact with the sludge outlet groove is arranged at the upper end of the sludge outlet groove, the physicochemical area also comprises an intermediate tank, the intermediate tank is connected with the second-stage air floatation separation tank, and the effluent of the physicochemical area enters the intermediate tank and enters the biochemical area after the water quantity and the water quality are adjusted and balanced; the biochemical region comprises an anoxic tank, a contact oxidation tank and a secondary sedimentation tank, the anoxic tank is connected with the middle tank through a biochemical water inlet pump, the anoxic tank is connected with the contact oxidation tank through a tank bottom through hole, and the contact oxidation tank is connected with the secondary sedimentation tank through a top pipeline thereof.
According to another embodiment of the utility model, the method further comprises that the bottom side surface of the primary air flotation separation tank is connected with an air flotation pump.
According to another embodiment of the utility model, the bottom side surface of the secondary air flotation separation tank is connected with the primary air flotation separation tank through a secondary air flotation pump and a pipeline.
According to another embodiment of the utility model, the contact oxidation pond is internally provided with contact oxidation pond filling materials.
According to another embodiment of the utility model, the device further comprises a mud discharging groove connected with the air flotation mud discharging port.
According to another embodiment of the utility model, the secondary sedimentation tank is provided with a secondary sedimentation tank central barrel with a downward opening, a sludge concentration return port is arranged below the opening of the secondary sedimentation tank central barrel, and the sludge concentration return port is communicated with the contact oxidation tank.
The utility model has the beneficial effects that:
(1) the two-stage demulsification air floatation system is combined in series, so that the demulsification and separation of different waste emulsions can be enhanced, and the efficient separation of oil and water is ensured;
(2) the two-stage coagulation air flotation and the biological strengthening system are highly combined, so that the floor area of the device is reduced, and space resources are saved;
(3) the sludge of the biological strengthening system can be concentrated and circulated, so that the sludge amount of the system is always in a higher level, and the stability of the treatment of the waste emulsion after demulsification is ensured.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the cross-sectional view of FIG. 1;
wherein: 1-an air floating pump, 2-a first-stage air floating separation tank, 3-a second-stage air floating pump, 4-a second-stage air floating separation tank, 5-an intermediate tank, 6-a biochemical water inlet pump, 7-an anoxic tank, 8-a contact oxidation tank, 9-a secondary sedimentation tank, 10-a sludge reflux pump, 11-a biochemical sludge water outlet, 12-an air floating mud scraping device, 13-an air floating mud outlet, 14-a contact oxidation tank filler, 15-a secondary sedimentation tank central barrel, 16-a sludge concentration reflux port, 17-an isolation plate and 18-a mud outlet tank.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 2, the device comprises a materialization area and a biochemical area, wherein the materialization area comprises a barrel-shaped separation tank, the separation tank is divided into a primary air floatation separation tank 2 and a secondary air floatation separation tank 4 by arranging a partition plate 17 in the middle, a sludge outlet groove 18 is arranged above the partition plate 17 in the separation tank, an air floatation sludge scraping device 12 in contact with the sludge outlet groove 18 is arranged at the upper end of the sludge outlet groove 18, the materialization area also comprises an intermediate tank 5, and the intermediate tank 5 is connected with the secondary air floatation separation tank 4; the biochemical region comprises an anoxic tank 7, a contact oxidation tank 8 and a secondary sedimentation tank 9, the anoxic tank 7 is connected with the middle tank 5 through a biochemical water inlet pump 6, the anoxic tank 7 is connected with the contact oxidation tank 8 through a tank bottom through hole, and the contact oxidation tank 8 is connected with the secondary sedimentation tank 9 through a top pipeline thereof.
Further, the bottom side surface of the first-stage air flotation separation tank 2 is connected with an air flotation pump 1. Adding chemicals into a pipeline in front of the pump to demulsify, dissolving bubbles into the air floatation pump 1, and then separating the flocculated sludge from primary sludge through an air floatation separation tank 2.
Further, the side surface of the bottom of the secondary air flotation separation tank 4 is connected with a secondary air flotation pump 3.
Further, a contact oxidation pond filler 14 is arranged in the contact oxidation pond 8.
Further, the sludge outlet groove 18 is connected with an air floatation sludge outlet 13.
Further, a secondary sedimentation tank central barrel 15 with a downward opening is arranged in the secondary sedimentation tank 9, a sludge concentration return port 16 is arranged below the opening of the secondary sedimentation tank central barrel 15, and the sludge concentration return port 16 is communicated with the contact oxidation tank 8.
Examples
As shown in fig. 1 and 2, the device is divided into a materialization pretreatment area and a biochemical treatment area, wherein the materialization pretreatment area is formed by two-stage coagulation air flotation, and the biochemical treatment area is formed by an anoxic tank 7, a contact oxidation tank 8 and a secondary sedimentation tank 9.
Physical and chemical pretreatment: the waste emulsion firstly enters a pipeline dosing part, and dissolved air enters a primary air flotation separation tank 2 through an air flotation pump 1. The waste emulsion is firstly added with a demulsifier and a flocculating agent through a pipeline, the agents are fully mixed under the stirring action of the air floating pump 1, and primary demulsification is realized through the electric neutralization, adsorption bridging and other actions of the agents. The air flotation pump 1 crushes air to form microbubbles with negative charges on the surface, the microbubbles are adhered to the surface of the floc, enter the primary air flotation separation tank 2, float the floc, and are separated by the air flotation mud scraping device 12 to enter the mud discharging groove 18. The primary demulsification effluent enters a secondary demulsification treatment process.
The primary demulsification effluent is added with a demulsifier and a flocculating agent through a pipeline, the agents are fully mixed under the stirring action of the dissolved air floating pump 3, and secondary demulsification is realized through the electric neutralization, adsorption bridging and other actions of the agents; the air floating pump 3 breaks the air to form microbubbles with negative charges on the surface, and the microbubbles are adhered to the surface of the flocs. After entering the secondary air flotation separation tank 4, the sludge floats upwards and enters the sludge outlet groove 18 through scraper separation, and secondary air flotation effluent enters the intermediate tank 5 through an air flotation water outlet hole.
A biochemical area: the secondary air-float effluent in the intermediate tank 5 is conveyed to the top of an anoxic tank 7 through a biochemical water inlet pump 6 for anoxic treatment, enters a contact oxidation tank 8 from a through hole at the bottom of the anoxic tank, and enters a secondary sedimentation tank 9 from a water outlet at the top through aerobic treatment. The secondary sedimentation tank 9 realizes the separation and concentration of the sludge mainly through the action of gravity, and the sludge enters the contact oxidation tank 8 through a sludge concentration return port 16 at the bottom. The backflow of the concentrated sludge improves the concentration of the activated sludge in the biochemical area and ensures the efficient and stable treatment of pollutants. In order to ensure the treatment effect of the biochemical tank on ammonia nitrogen, the sludge-water mixture in the contact oxidation tank 8 is conveyed to the anoxic tank 7 by the sludge reflux pump 10.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides an integrated device of useless emulsion two-stage materialization breakdown of emulsion separation-intensive biological treatment, includes materialization district and biochemical district, its characterized in that: the physical and chemical area comprises a barrel-shaped demulsification separation tank, the separation tank is divided into a primary air-flotation separation tank (2) and a secondary air-flotation separation tank (4) by arranging a partition plate (17), a sludge outlet groove (18) is arranged above the partition plate (17) in the separation tank, the upper end of the sludge outlet groove (18) is provided with an air-flotation sludge scraping device (12) which is in contact with the sludge outlet groove, the physical and chemical area also comprises an intermediate tank (5), and the intermediate tank (5) is connected with the secondary air-flotation separation tank (4); biochemical district includes oxygen deficiency pond (7), contact oxidation pond (8) and two heavy ponds (9), middle pond (5) are connected through biochemical intake pump (6) in oxygen deficiency pond (7), are connected through the bottom of the pool through-hole between oxygen deficiency pond (7) and contact oxidation pond (8), contact oxidation pond (8) are through its top pipe connection two heavy ponds (9).
2. The integrated device for two-stage physicochemical demulsification separation-enhanced biological treatment of waste emulsion as claimed in claim 1, wherein: the bottom side surface of the primary air floatation separation tank (2) is connected with an air floatation pump (1).
3. The integrated device for two-stage physicochemical demulsification separation-enhanced biological treatment of waste emulsion as claimed in claim 1, wherein: the bottom side surface of the secondary air-flotation separation tank (4) is connected with the primary air-flotation separation tank (2) through a secondary air-flotation pump (3) and a pipeline.
4. The integrated device for two-stage physicochemical demulsification separation-enhanced biological treatment of waste emulsion as claimed in claim 1, wherein: a contact oxidation pond filler (14) is arranged in the contact oxidation pond (8).
5. The integrated device for two-stage physicochemical demulsification separation-enhanced biological treatment of waste emulsion as claimed in claim 1, wherein: the mud outlet groove (18) is connected with an air floatation mud outlet (13).
6. The integrated device for two-stage physicochemical demulsification separation-enhanced biological treatment of waste emulsion as claimed in claim 1, wherein: and a secondary sedimentation tank central barrel (15) with a downward opening is arranged in the secondary sedimentation tank (9), a sludge concentration return port (16) is arranged below the opening of the secondary sedimentation tank central barrel (15), and the sludge concentration return port (16) is communicated with the contact oxidation tank (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121595595.1U CN215799037U (en) | 2021-07-14 | 2021-07-14 | Integrated device for two-stage physicochemical demulsification separation-enhanced biological treatment of waste emulsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121595595.1U CN215799037U (en) | 2021-07-14 | 2021-07-14 | Integrated device for two-stage physicochemical demulsification separation-enhanced biological treatment of waste emulsion |
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| Publication Number | Publication Date |
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| CN215799037U true CN215799037U (en) | 2022-02-11 |
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| CN202121595595.1U Active CN215799037U (en) | 2021-07-14 | 2021-07-14 | Integrated device for two-stage physicochemical demulsification separation-enhanced biological treatment of waste emulsion |
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| CN (1) | CN215799037U (en) |
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2021
- 2021-07-14 CN CN202121595595.1U patent/CN215799037U/en active Active
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