CN215208877U - A equipment for useless emulsion is handled - Google Patents
A equipment for useless emulsion is handled Download PDFInfo
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- CN215208877U CN215208877U CN202121113430.6U CN202121113430U CN215208877U CN 215208877 U CN215208877 U CN 215208877U CN 202121113430 U CN202121113430 U CN 202121113430U CN 215208877 U CN215208877 U CN 215208877U
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Abstract
The utility model discloses an equipment for useless emulsion is handled, including oil interceptor, recovery tower, breakdown of emulsion jar, flocculation basin and flotation tank, oil interceptor and feed liquor union coupling, the oil interceptor is through the entry linkage of first pipeline with the recovery tower, the export of recovery tower is through second pipeline and breakdown of emulsion jar entry linkage, the export of breakdown of emulsion jar is passed through third pipeline and is connected with the flocculation basin, the flocculation basin passes through the fourth pipeline and is connected with the flotation tank. The utility model discloses a waste emulsion is at first distilled and concentrated after oil removal preseparation, has realized the separation of waste emulsion normal water and grease, and waste oil regeneration's raw materials can be regarded as to concentrated grease to handle the by-product value maximize of waste emulsion in-process, grease content, emulsifier content are lower in the waste water through distillation separation simultaneously, greatly reduced follow-up demulsifier, the use amount of flocculating agent, reduced the production of waste residue.
Description
Technical Field
The utility model relates to a waste oil treatment technical field especially relates to an equipment for useless emulsion is handled.
Background
At present, the known disposal technology of the waste emulsion mainly adopts the principle of flocculation and sedimentation, namely, firstly leading the waste emulsion into an oil separation tank, separating grease in the waste emulsion, firstly adding a demulsifier after collecting the lower-layer emulsion, destroying a homogeneous dispersion system of the emulsion, then adding an anionic or cationic flocculant to flocculate floccules dispersed in water into larger micelles, standing and settling under the action of gravity to realize the separation of water and oil stain impurities in the waste emulsion, the process is mature in application and simple in operation, but the COD value of the separated clear water is more than 8000 and still far higher than the technical index COD of the wastewater treated by the biochemical method of the sewage plant and does not exceed 2000 due to the adoption of the simple flocculation sedimentation process, and the dosage of the demulsifier and the flocculant is large, 20 to 25 percent of waste residue can be generated, and serious secondary pollution can be caused to the environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the equipment that is used for useless emulsion to handle that proposes, greatly reduced the use amount of follow-up demulsifier, flocculating agent, reduced the production of waste residue.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an equipment for useless emulsion is handled, includes oil interceptor, recovery tower, breakdown of emulsion jar, flocculation basin and flotation tank, oil interceptor and feed liquor union coupling, the oil interceptor is through the entry linkage of first pipeline with the recovery tower, the export of recovery tower passes through second pipeline and breakdown of emulsion jar entry linkage, the export of breakdown of emulsion jar is passed through third pipeline and is connected with the flocculation basin, the flocculation basin passes through the fourth pipeline and is connected with the flotation tank.
Preferably, the recovery tower is a vacuum distillation packed tower, and a condenser is arranged on the second conveying pipeline.
Preferably, the air floatation tank is connected with an ozone air dissolving device.
Preferably, the treated clean water in the air flotation tank is connected with an inlet of an adsorption filtration tank through a fifth conveying pipeline, and an outlet of the adsorption filtration tank discharges the clean water through a liquid outlet pipe.
Preferably, the treated residue in the air flotation tank enters a centrifugal drier for centrifugal dehydration treatment.
Preferably, the first conveying pipeline, the second conveying pipeline, the third conveying pipeline, the fourth conveying pipeline and the fifth conveying pipeline are all provided with conveying pumps.
The utility model discloses following beneficial effect has:
1. the utility model discloses a waste emulsion is at first distilled and concentrated after oil removal preseparation, has realized the separation of waste emulsion normal water and grease, and concentrated grease can regard as the raw materials of waste oil regeneration to with the by-product value maximize in the waste emulsion processing, grease content, emulsifier content are lower in the waste water through distillation separation simultaneously, greatly reduced the use amount of follow-up demulsifier, flocculating agent, reduced the production of waste residue;
2. the wastewater suspension after demulsification and flocculation is subjected to ozone air floatation treatment, so that the separation rate of flocculent micelles and water in the wastewater is accelerated, the treatment efficiency is improved, and after ozone air floatation oxidation, organic matters in clear water are oxidized, and the COD value of the clear water is further reduced;
3. the clear water after the ozone air floatation is absorbed by the absorption filter tank, suspended tiny flocculent micelles in the clear water are further removed, and the clear water discharged outside completely meets the technical requirements of biochemical treatment, so that the harmless treatment of the waste emulsion is finally achieved.
Drawings
Fig. 1 is the utility model provides a structural schematic of a device for processing waste emulsion.
In the figure: 1 oil separation tank, 2 recovery tower, 3 demulsification tank, 4 flocculation tank, 5 air flotation tank, 6 liquid inlet pipe, 7 condenser, 8 ozone dissolving device, 9 adsorption filtration tank, 10 liquid outlet pipe, 11 centrifugal drier, 12 delivery pump;
101 a first transport pipe, 102 a second transport pipe, 103 a third transport pipe, 104 a fourth transport pipe, 105 a fifth transport pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1, an apparatus for treating waste emulsion comprises an oil separating tank 1, a recovery tower 2, a demulsification tank 3, a flocculation tank 4 and an air flotation tank 5, wherein the oil separating tank 1 is connected with a liquid inlet pipe 6, the oil separating tank 1 is connected with an inlet of the recovery tower 2 through a first conveying pipeline 101, an outlet of the recovery tower 2 is connected with an inlet of the demulsification tank 3 through a second conveying pipeline 102, the recovery tower 2 is a reduced pressure distillation packed tower, a condenser 7 is arranged on the second conveying pipeline 102, an outlet of the demulsification tank 3 is connected with the flocculation tank 4 through a third conveying pipeline 103, the flocculation tank 4 is connected with the air flotation tank 5 through a fourth conveying pipeline 104, the air flotation tank 5 is connected with an ozone dissolving device 8, treated clear water of the air flotation tank 5 is connected with an inlet of an adsorption filtration tank 9 through a fifth conveying pipeline 105, an outlet of the adsorption filtration tank 9 discharges clear water through a liquid outlet pipe 10, treated residues of the air flotation tank 5 enter a centrifugal dewatering machine 11 for centrifugal dewatering treatment, the first conveying pipeline 101, the second conveying pipeline 102, the third conveying pipeline 103, the fourth conveying pipeline 104 and the fifth conveying pipeline 105 are all provided with a conveying pump 12.
The utility model discloses its functional principle is explained to following mode of operation of accessible: when the device is used, the waste emulsion is subjected to simple pre-separation through the oil separation tank 1, oil mixed in the waste emulsion is separated, the pre-separated waste emulsion is pumped into the recovery tower 2, the recovery tower 2 adopts a packed tower reduced pressure distillation process, the vacuum degree is 500-1000Pa (absolute pressure), the distillation temperature is 50-60 ℃, the recovery rate of the waste water in the waste emulsion can reach 90-95%, and the residual liquid mainly comprises oil and can be pumped into a waste oil tank; the distilled and recovered wastewater enters a demulsification tank 3, a small amount of demulsifier is added to destroy the residual emulsifier in the wastewater to form dispersed floccules; the wastewater after the emulsion breaking enters a flocculation tank 4, a small amount of flocculant is added into the wastewater, and dispersed suspended micelles are flocculated into large flocculated micelles; the mixed liquid of the flocculated clear water and the scum enters an air floatation tank 5, an ozone gas dissolving device 8 is connected to a bypass of the air floatation tank on line, the flocculated mixed liquid is subjected to air floatation treatment by adopting ozone, so that suspended flocculated micelles and a water layer are quickly layered, then the clear water at the bottom of the air floatation tank is subjected to adsorption treatment by an adsorption filtering tank 9, suspended matters in the water are further adsorbed and removed, the COD (chemical oxygen demand) of the adsorbed clear water can be reduced to about 1000, and the clear water is discharged to a biochemical tank of a sewage plant; the residue after air floatation is subjected to centrifugal dehydration treatment by a centrifugal drier 11, so that the water content in the residue is further reduced, and the generation amount of waste residue is reduced.
The utility model discloses a distillation is concentrated, the breakdown of emulsion flocculation, ozone oxidation air supporting, adsorption filtration combination technology carries out degree of depth innocent treatment to useless emulsion, not only can effectively retrieve the grease component in the useless emulsion, realize the maximize of useless emulsion resource value, and can reduce the demulsifier greatly, the use amount of flocculating agent, the emission of secondary pollutant in the useless emulsion processing procedure has been reduced, simultaneously owing to adopt ozone air supporting preoxidation and adsorption filtration, clear water COD index after can guaranteeing to deal with reaches the requirement of biochemical treatment completely, the innocent treatment of useless emulsion has really been realized.
The above, only be the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any technical solution and the utility model thereof should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides an equipment for useless emulsion is handled, a serial communication port, including oil interceptor, recovery tower, breakdown of emulsion jar, flocculation basin and flotation tank, oil interceptor and feed liquor union coupling, the oil interceptor is through the entry linkage of first pipeline with the recovery tower, the export of recovery tower passes through second pipeline and breakdown of emulsion jar entry linkage, the export of breakdown of emulsion jar is passed through third pipeline and is connected with the flocculation basin, the flocculation basin passes through the fourth pipeline and is connected with the flotation tank.
2. The apparatus of claim 1, wherein the recovery tower is a vacuum distillation packed tower, and the second pipeline is provided with a condenser.
3. The apparatus of claim 1, wherein the air flotation tank is connected with an ozone dissolving device.
4. The apparatus of claim 3, wherein the treated clean water in the air flotation tank is connected to the inlet of the adsorption filtration tank through a fifth conveying pipeline, and the outlet of the adsorption filtration tank discharges the clean water through a drain pipe.
5. The apparatus of claim 3, wherein the treated residue in the air flotation tank enters a centrifugal drier for centrifugal dehydration.
6. The apparatus of claim 4, wherein the first, second, third, fourth and fifth transfer pipes are provided with transfer pumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121113430.6U CN215208877U (en) | 2021-05-21 | 2021-05-21 | A equipment for useless emulsion is handled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121113430.6U CN215208877U (en) | 2021-05-21 | 2021-05-21 | A equipment for useless emulsion is handled |
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| Publication Number | Publication Date |
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| CN215208877U true CN215208877U (en) | 2021-12-17 |
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| CN202121113430.6U Active CN215208877U (en) | 2021-05-21 | 2021-05-21 | A equipment for useless emulsion is handled |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506957A (en) * | 2022-02-27 | 2022-05-17 | 湖南华菱湘潭钢铁有限公司 | Method for deep dehydration of emulsified waste oil and fat and treatment of oil-containing wastewater |
-
2021
- 2021-05-21 CN CN202121113430.6U patent/CN215208877U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506957A (en) * | 2022-02-27 | 2022-05-17 | 湖南华菱湘潭钢铁有限公司 | Method for deep dehydration of emulsified waste oil and fat and treatment of oil-containing wastewater |
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