CN211972250U - Device for regenerating and refining waste mineral oil - Google Patents
Device for regenerating and refining waste mineral oil Download PDFInfo
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- CN211972250U CN211972250U CN201922330433.4U CN201922330433U CN211972250U CN 211972250 U CN211972250 U CN 211972250U CN 201922330433 U CN201922330433 U CN 201922330433U CN 211972250 U CN211972250 U CN 211972250U
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Abstract
The utility model discloses a be used for refined device of mineral waste oil regeneration, the device include first premixer, first extraction device, second premixer, second extraction device, first recovery unit and second recovery unit, wherein first extraction device is connected with first premixer, second premixer and first recovery unit, and the second extraction device is connected with second premixer and first recovery unit, and first recovery unit is connected with first premixer and second recovery unit, and second recovery unit still is connected with first premixer. The device is used for extracting the waste mineral oil by using a refining agent, and the extracted upper-layer material obtained by two-time extraction is subjected to flash evaporation to obtain refined oil; the extracted lower layer material obtained by four times of stillness and layering is treated without pollution, thereby improving the recovery rate and production efficiency of waste mineral oil refining and reducing the production cost and investment cost.
Description
Technical Field
The utility model relates to a device for waste mineral oil regeneration is refined.
Background
The waste mineral oil is oil which is changed when the waste mineral oil cannot be used continuously due to the change of the original physical and chemical properties under the actions of impurity pollution, oxidation and heat; mainly comes from oil sludge and oil foot produced by oil extraction and refining; deposits produced during the warehousing of mineral oils; oil residue and filter medium in the process of oil replacement and regeneration of machinery, power, transportation and other equipment. The waste mineral oil contains hydrocarbon substances with a relatively small number of carbon atoms, and most of the waste mineral oil is unsaturated hydrocarbon. The main component of the catalyst is hydrocarbons with different chain lengths, and the performance is stable.
At present, the regeneration and refining method of waste mineral oil mainly adopts a sulfuric acid clay method, a furfural refining method, hydrogenation and other methods, and the waste mineral oil is refined to meet the recycling requirement of base oil.
The waste mineral oil can be refined by methods such as a sulfuric acid clay method, a furfural refining method, hydrogenation and the like, but the following problems are respectively caused in the treatment process:
the carclazyte sulfate method is forbidden by the nation to cause secondary pollution to the environment because of too large amount of secondary hazardous waste;
although the furfural refining has a certain effect, the problems of equipment corrosion, high energy consumption for recovery and the like cannot be solved;
the hydrofining method has good product and high yield. But operational risks and production costs are high.
Therefore, a method for treating waste mineral oil with small amount of secondary hazardous waste, low energy consumption for recovery, low equipment investment cost, low treatment cost and low operation risk is urgently needed.
SUMMERY OF THE UTILITY MODEL
The inferior danger that exists in the processing procedure to waste mineral oil among the prior art is useless big, retrieve high energy consumption height, equipment investment cost height, operation risk height, processing cost height etc. defect, the utility model aims at providing a waste mineral oil regeneration refining method, this method inferior danger waste volume is little, and rate of recovery energy consumption is low, production efficiency is high, and processing cost and equipment investment cost are low to waste mineral oil's treatment effeciency and rate of recovery are high.
For realizing the purpose of the utility model, the utility model discloses a technical scheme as follows:
a device for regenerating and refining waste mineral oil comprises a first premixer, a first extraction device, a second premixer, a second extraction device, a first recovery device and a second recovery device,
the first extraction device is connected with the first premixer, the second premixer and the first recovery device, the second extraction device is connected with the second premixer and the first recovery device, the first recovery device is connected with the first premixer and the second recovery device, and the second recovery device is also connected with the first premixer.
The first premixer is used for mixing the waste mineral oil and the refining agent therein; the first extraction device is used for extracting the waste mineral oil by using a refining agent to obtain a first upper layer material and a first lower layer material; the second premixer is used for mixing the first upper material and the refining agent therein; the second extraction device extracts the first upper-layer material by using a refining agent to obtain a second upper-layer material and a second lower-layer material; the first recycling device is used for combining, standing and layering the first lower-layer material and the second lower-layer material to obtain a third upper-layer material and a third lower-layer material. The second recovery device is used for standing and layering the third lower-layer material therein.
In a preferred embodiment, the device for regenerating and refining waste mineral oil of the utility model also comprises a flash distillation device connected with the second extraction device.
In a preferred embodiment, the apparatus for recycling and refining waste mineral oil of the present invention further comprises a treatment apparatus connected to the second recovery apparatus.
In a preferred embodiment, the apparatus for regenerating and refining waste mineral oil of the present invention further comprises a first transfer pipe and a second transfer pipe connected to the first premixer, respectively.
In a preferred embodiment, a first transport pipe is used for transporting the refining agent and a second transport pipe is used for transporting the waste mineral oil.
In a preferred embodiment, the first premixer and the second premixer have a mechanical stirring device for stirring the materials to be mixed thoroughly.
In a preferred embodiment, in the device for regenerating and refining waste mineral oil of the utility model, the first extraction device and the second extraction device are provided with heating devices.
In a preferred embodiment, the first recovery device and the second recovery device of the apparatus for recycling and refining waste mineral oil of the present invention are provided with heating devices.
The utility model discloses a device for waste mineral oil regeneration is refined can realize waste mineral oil regeneration refining process: the method comprises the steps of firstly extracting waste mineral oil for the first time by using a refining agent to obtain a first upper-layer material and a first lower-layer material; extracting the first upper-layer material for the second time by using a refining agent to obtain a second upper-layer material and a second lower-layer material; carrying out flash evaporation on the obtained second upper-layer material to obtain refined oil, combining the obtained second lower-layer material with the first lower-layer material, and standing and layering to obtain a third upper-layer material and a third lower-layer material; the third upper layer material is used for extracting the waste mineral oil independently or is mixed with a refining agent to be used for extracting the waste mineral oil, and the third lower layer material is kept stand and layered to obtain a fourth upper layer material and a fourth lower layer material; the fourth upper material is used for extracting the waste mineral oil independently or is mixed with a refining agent to be used for extracting the waste mineral oil, and the fourth lower material is subjected to harmless treatment. It is thus clear that use the utility model discloses a device carries out waste mineral oil regeneration and refines for waste mineral oil's organic composition fully extracts out, carries out the flash distillation with the refining agent together and makes refined oil, and the quartic stews and the extraction lower floor material that the layering obtained is handled by nuisanceless. And the refining agent can use the recovered aromatic hydrocarbon, so that the cost of the used refining agent is low. The refined oil obtained by flash evaporation can be reused.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain and explain part of the invention.
FIG. 1 shows an apparatus for regenerating and refining waste mineral oil according to the present invention.
Detailed Description
The utility model discloses an in the description, the waste mineral oil includes but not limited to the waste mineral oil that the lubricating oil change that used of factories such as vehicle (car, steamer, rail train, engineering vehicle etc.), mechanical equipment, ferrous metallurgy obtained, and its composition mainly includes oxidation colloid asphaltene, the aromatic hydrocarbon that base oil, moisture, mechanical impurities, inefficacy additive formed.
In the description of the present invention, the refining agent may also be referred to as an extractant, including, but not limited to, a mixture of N-methyl-2-pyrrolidone and aromatic hydrocarbons, and a mixture of N, N-dimethylformamide and ethanol.
In the description of the present invention, the aromatic hydrocarbon may be recovered aromatic hydrocarbon.
In the description of the present invention, "connected" refers to a fluid communication connection.
In the description of the present invention, each component of the apparatus for regenerating and refining waste mineral oil includes other components as required in practical use.
The invention will be further elucidated with reference to the drawings and the embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Example 1
Referring to fig. 1, in this embodiment, the apparatus for regenerating and refining waste mineral oil includes a first premixer 1, a first extraction apparatus 2, a second premixer 3, a second extraction apparatus 4, a first recovery apparatus 5, a second recovery apparatus 6, a conduit 10 for supplying a refining agent to the first premixer 1, and a conduit 11 for supplying waste mineral oil.
The apparatus may further comprise a flash unit (not shown in FIG. 1) connected to the second extraction unit 4, a treatment unit (not shown in FIG. 1) connected to the second recovery unit 6
The first premixer 1 is used to mix the refining agent and the waste mineral oil therein. The first extraction device 2 is used for extracting the waste mineral oil by using a refining agent to obtain a first upper material and a first lower material. The second premixer 3 is used for mixing the above-mentioned first upper material and the refining agent. The second extraction device 4 is used for extracting the first upper material by using a refining agent to obtain a second upper material and a second lower material. The first recycling device 5 is used for combining the first lower-layer material and the second lower-layer material, standing and layering the materials to obtain a third lower-layer material and a third upper-layer material. The second recovery device 6 is used for standing and layering the third lower-layer material to obtain a fourth lower-layer material and a fourth upper-layer material.
The first premixer 1 and the first extraction apparatus 2 are connected to feed the mixture (material) of the refining agent and the waste mineral oil therein to the first extraction apparatus 2. The first extraction device 2 is connected with the second premixer 3 and the first recovery device 5, and is respectively used for conveying the first upper material to the second premixer 3 and conveying the first lower material to the first recovery device 5. The second premixer 3 is also connected to the second extraction device 4 for feeding the mixed material of the first upper material and the refining agent therein to the second extraction device 4. The second extraction device 4 is also connected with the first recovery device 5 and is used for conveying the second lower-layer materials in the second extraction device to the first recovery device 5. The second extraction apparatus 4 may also be connected to a flash apparatus (not shown) for transferring the second overhead therefrom to the flash apparatus. The first reclaimer 5 is further connected to the first premixer 1 and the second reclaimer 6 for feeding the third upper layer material therein to the first premixer 1 (for mixing with the waste mineral oil alone or after mixing with fresh refining agent) and the third lower layer material therein to the second reclaimer 6, respectively. The second recovery device 6 is also connected with the first premixer 1 and the treatment device, and is respectively used for conveying the fourth upper material to the first premixer 1 (for mixing with waste mineral oil alone or after mixing with fresh refining agent) and conveying the fourth lower material to the treatment device for pollution-free treatment.
The process of regenerating and refining the waste mineral oil by using the apparatus shown in FIG. 1 is as follows:
(1) mixing the waste mineral oil conveyed through a pipeline 10 and a refining agent conveyed through a pipeline 11 in a first premixer 1 according to a certain proportion, conveying the mixture to a first extraction device (2) for extraction, standing and layering to obtain a first upper layer material and a first lower layer material;
(2) conveying a first lower layer material in a first extraction device (2) into a first recovery device (5), conveying a first upper layer material in the first extraction device (2) into a second premixer (3), fully mixing with a refining agent, conveying into a second extraction device (4), extracting the first upper layer material by using the refining agent, standing and layering to obtain a second upper layer material and a second lower layer material;
(3) conveying the second upper-layer material to a flash evaporation device for flash evaporation to obtain refined oil, conveying the second lower-layer material to a first recovery device (5) for combination with the first lower-layer material therein, standing and layering to obtain a third upper-layer material and a third lower-layer material;
(4) the third upper material in the first recovery device (5) is conveyed to a first extraction device (1) through a pipeline 10 for being mixed with waste mineral oil alone or after being mixed with fresh refining agent, and the third lower material is conveyed to a second recovery device (6) for standing and layering to obtain a fourth upper material and a fourth lower material;
(5) the fourth upper material in the second recovery device (6) is conveyed to the first extraction device (1) through a pipeline 10 for being mixed with waste mineral oil alone or after being mixed with fresh refining agent, and the fourth lower material is output for pollution-free treatment.
The refined oil obtained by flashing can be reused, for example, for the production of lubricating oils.
The novel device is used for regenerating and refining the waste mineral oil, so that the refining recovery rate of the waste mineral oil can be improved, and the resource reutilization rate can be greatly improved; meanwhile, the treatment production efficiency of the waste mineral oil can be improved, and the production cost and the investment cost can be reduced.
The present invention has been described above without limitation by way of examples of preferred production modalities according to the invention, but it should be understood that variations and/or modifications can be made by a person skilled in the art within the scope defined by the appended claims, without departing from the relative scope of protection.
Claims (7)
1. A device for regenerating and refining waste mineral oil is characterized by comprising a first premixer (1), a first extraction device (2), a second premixer (3), a second extraction device (4), a first recovery device (5) and a second recovery device (6),
the first extraction device (2) is connected with the first premixer (1), the second premixer (3) and the first recovery device (5), the second extraction device (4) is connected with the second premixer (3) and the first recovery device (5), the first recovery device (5) is connected with the first premixer (1) and the second recovery device (6), and the second recovery device (6) is also connected with the first premixer (1).
2. The apparatus for used mineral oil refinery regeneration of claim 1, characterized in that it further comprises a flash unit connected to the second extraction unit (4).
3. The apparatus for regenerating and refining waste mineral oil as set forth in claim 1, further comprising a harmless treatment apparatus connected to the second recovering apparatus (6).
4. The apparatus for used mineral oil recycling refining according to claim 1, characterized in that said apparatus further comprises a first transfer pipe (10) and a second transfer pipe (11) respectively connected to said first premixer (1).
5. The apparatus for used mineral oil recycling refining according to claim 1, characterized in that the first premixer (1) and the second premixer (3) are provided with mechanical stirring means.
6. The apparatus for used in the regeneration refining of waste mineral oil according to claim 1, characterized in that the first extraction apparatus (2) and the second extraction apparatus (4) are provided with heating means.
7. The apparatus for used mineral oil recycling refining according to claim 1, characterized in that said first recovery means (5) and said second recovery means (6) are provided with heating means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922330433.4U CN211972250U (en) | 2019-12-23 | 2019-12-23 | Device for regenerating and refining waste mineral oil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922330433.4U CN211972250U (en) | 2019-12-23 | 2019-12-23 | Device for regenerating and refining waste mineral oil |
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| CN211972250U true CN211972250U (en) | 2020-11-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111019752A (en) * | 2019-12-23 | 2020-04-17 | 上海天汉环境资源有限公司 | Method and device for regenerating and refining waste mineral oil |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111019752A (en) * | 2019-12-23 | 2020-04-17 | 上海天汉环境资源有限公司 | Method and device for regenerating and refining waste mineral oil |
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